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3253 lines
94 KiB
3253 lines
94 KiB
// Scintilla source code edit control
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/** @file PlatWin.cxx
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** Implementation of platform facilities on Windows.
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**/
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// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <time.h>
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#include <limits.h>
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#include <math.h>
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#include <vector>
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#include <map>
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#undef _WIN32_WINNT
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#define _WIN32_WINNT 0x0500
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#undef WINVER
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#define WINVER 0x0500
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#include <windows.h>
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#include <commctrl.h>
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#include <richedit.h>
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#include <windowsx.h>
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#if defined(NTDDI_WIN7) && !defined(DISABLE_D2D)
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#define USE_D2D 1
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#endif
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#if defined(USE_D2D)
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#include <d2d1.h>
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#include <dwrite.h>
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#endif
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#include "Platform.h"
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#include "UniConversion.h"
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#include "XPM.h"
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#include "FontQuality.h"
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#ifndef IDC_HAND
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#define IDC_HAND MAKEINTRESOURCE(32649)
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#endif
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// Take care of 32/64 bit pointers
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#ifdef GetWindowLongPtr
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static void *PointerFromWindow(HWND hWnd) {
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return reinterpret_cast<void *>(::GetWindowLongPtr(hWnd, 0));
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}
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static void SetWindowPointer(HWND hWnd, void *ptr) {
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::SetWindowLongPtr(hWnd, 0, reinterpret_cast<LONG_PTR>(ptr));
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}
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#else
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static void *PointerFromWindow(HWND hWnd) {
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return reinterpret_cast<void *>(::GetWindowLong(hWnd, 0));
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}
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static void SetWindowPointer(HWND hWnd, void *ptr) {
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::SetWindowLong(hWnd, 0, reinterpret_cast<LONG>(ptr));
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}
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#ifndef GWLP_USERDATA
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#define GWLP_USERDATA GWL_USERDATA
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#endif
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#ifndef GWLP_WNDPROC
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#define GWLP_WNDPROC GWL_WNDPROC
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#endif
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#ifndef LONG_PTR
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#define LONG_PTR LONG
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#endif
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static LONG_PTR SetWindowLongPtr(HWND hWnd, int nIndex, LONG_PTR dwNewLong) {
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return ::SetWindowLong(hWnd, nIndex, dwNewLong);
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}
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static LONG_PTR GetWindowLongPtr(HWND hWnd, int nIndex) {
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return ::GetWindowLong(hWnd, nIndex);
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}
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#endif
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extern UINT CodePageFromCharSet(DWORD characterSet, UINT documentCodePage);
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// Declarations needed for functions dynamically loaded as not available on all Windows versions.
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typedef BOOL (WINAPI *AlphaBlendSig)(HDC, int, int, int, int, HDC, int, int, int, int, BLENDFUNCTION);
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typedef HMONITOR (WINAPI *MonitorFromPointSig)(POINT, DWORD);
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typedef HMONITOR (WINAPI *MonitorFromRectSig)(LPCRECT, DWORD);
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typedef BOOL (WINAPI *GetMonitorInfoSig)(HMONITOR, LPMONITORINFO);
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static CRITICAL_SECTION crPlatformLock;
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static HINSTANCE hinstPlatformRes = 0;
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static bool onNT = false;
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static HMODULE hDLLImage = 0;
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static AlphaBlendSig AlphaBlendFn = 0;
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static HMODULE hDLLUser32 = 0;
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static HMONITOR (WINAPI *MonitorFromPointFn)(POINT, DWORD) = 0;
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static HMONITOR (WINAPI *MonitorFromRectFn)(LPCRECT, DWORD) = 0;
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static BOOL (WINAPI *GetMonitorInfoFn)(HMONITOR, LPMONITORINFO) = 0;
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static HCURSOR reverseArrowCursor = NULL;
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bool IsNT() {
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return onNT;
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}
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#ifdef SCI_NAMESPACE
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using namespace Scintilla;
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#endif
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Point Point::FromLong(long lpoint) {
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return Point(static_cast<short>(LOWORD(lpoint)), static_cast<short>(HIWORD(lpoint)));
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}
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static RECT RectFromPRectangle(PRectangle prc) {
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RECT rc = {static_cast<LONG>(prc.left), static_cast<LONG>(prc.top),
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static_cast<LONG>(prc.right), static_cast<LONG>(prc.bottom)};
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return rc;
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}
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#if defined(USE_D2D)
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IDWriteFactory *pIDWriteFactory = 0;
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ID2D1Factory *pD2DFactory = 0;
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bool LoadD2D() {
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static bool triedLoadingD2D = false;
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if (!triedLoadingD2D) {
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typedef HRESULT (WINAPI *D2D1CFSig)(D2D1_FACTORY_TYPE factoryType, REFIID riid,
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CONST D2D1_FACTORY_OPTIONS *pFactoryOptions, IUnknown **factory);
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typedef HRESULT (WINAPI *DWriteCFSig)(DWRITE_FACTORY_TYPE factoryType, REFIID iid,
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IUnknown **factory);
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HMODULE hDLLD2D = ::LoadLibraryEx(TEXT("D2D1.DLL"), 0, 0x00000800 /*LOAD_LIBRARY_SEARCH_SYSTEM32*/);
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if (hDLLD2D) {
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D2D1CFSig fnD2DCF = (D2D1CFSig)::GetProcAddress(hDLLD2D, "D2D1CreateFactory");
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if (fnD2DCF) {
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// A single threaded factory as Scintilla always draw on the GUI thread
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fnD2DCF(D2D1_FACTORY_TYPE_SINGLE_THREADED,
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__uuidof(ID2D1Factory),
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0,
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reinterpret_cast<IUnknown**>(&pD2DFactory));
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}
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}
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HMODULE hDLLDWrite = ::LoadLibraryEx(TEXT("DWRITE.DLL"), 0, 0x00000800 /*LOAD_LIBRARY_SEARCH_SYSTEM32*/);
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if (hDLLDWrite) {
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DWriteCFSig fnDWCF = (DWriteCFSig)::GetProcAddress(hDLLDWrite, "DWriteCreateFactory");
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if (fnDWCF) {
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fnDWCF(DWRITE_FACTORY_TYPE_SHARED,
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__uuidof(IDWriteFactory),
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reinterpret_cast<IUnknown**>(&pIDWriteFactory));
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}
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}
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}
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triedLoadingD2D = true;
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return pIDWriteFactory && pD2DFactory;
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}
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#endif
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struct FormatAndMetrics {
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int technology;
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HFONT hfont;
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#if defined(USE_D2D)
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IDWriteTextFormat *pTextFormat;
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#endif
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int extraFontFlag;
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int characterSet;
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FLOAT yAscent;
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FLOAT yDescent;
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FLOAT yInternalLeading;
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FormatAndMetrics(HFONT hfont_, int extraFontFlag_, int characterSet_) :
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technology(SCWIN_TECH_GDI), hfont(hfont_),
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#if defined(USE_D2D)
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pTextFormat(0),
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#endif
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extraFontFlag(extraFontFlag_), characterSet(characterSet_), yAscent(2), yDescent(1), yInternalLeading(0) {
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}
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#if defined(USE_D2D)
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FormatAndMetrics(IDWriteTextFormat *pTextFormat_,
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int extraFontFlag_,
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int characterSet_,
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FLOAT yAscent_,
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FLOAT yDescent_,
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FLOAT yInternalLeading_) :
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technology(SCWIN_TECH_DIRECTWRITE),
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hfont(0),
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pTextFormat(pTextFormat_),
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extraFontFlag(extraFontFlag_),
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characterSet(characterSet_),
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yAscent(yAscent_),
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yDescent(yDescent_),
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yInternalLeading(yInternalLeading_) {
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}
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#endif
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~FormatAndMetrics() {
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if (hfont)
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::DeleteObject(hfont);
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#if defined(USE_D2D)
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if (pTextFormat)
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pTextFormat->Release();
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pTextFormat = 0;
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#endif
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extraFontFlag = 0;
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characterSet = 0;
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yAscent = 2;
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yDescent = 1;
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yInternalLeading = 0;
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}
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HFONT HFont();
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};
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HFONT FormatAndMetrics::HFont() {
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LOGFONTW lf;
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memset(&lf, 0, sizeof(lf));
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#if defined(USE_D2D)
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if (technology == SCWIN_TECH_GDI) {
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if (0 == ::GetObjectW(hfont, sizeof(lf), &lf)) {
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return 0;
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}
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} else {
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HRESULT hr = pTextFormat->GetFontFamilyName(lf.lfFaceName, LF_FACESIZE);
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if (!SUCCEEDED(hr)) {
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return 0;
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}
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lf.lfWeight = pTextFormat->GetFontWeight();
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lf.lfItalic = pTextFormat->GetFontStyle() == DWRITE_FONT_STYLE_ITALIC;
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lf.lfHeight = -static_cast<int>(pTextFormat->GetFontSize());
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}
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#else
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if (0 == ::GetObjectW(hfont, sizeof(lf), &lf)) {
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return 0;
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}
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#endif
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return ::CreateFontIndirectW(&lf);
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}
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#ifndef CLEARTYPE_QUALITY
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#define CLEARTYPE_QUALITY 5
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#endif
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static BYTE Win32MapFontQuality(int extraFontFlag) {
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switch (extraFontFlag & SC_EFF_QUALITY_MASK) {
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case SC_EFF_QUALITY_NON_ANTIALIASED:
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return NONANTIALIASED_QUALITY;
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case SC_EFF_QUALITY_ANTIALIASED:
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return ANTIALIASED_QUALITY;
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case SC_EFF_QUALITY_LCD_OPTIMIZED:
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return CLEARTYPE_QUALITY;
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default:
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return SC_EFF_QUALITY_DEFAULT;
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}
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}
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#if defined(USE_D2D)
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static D2D1_TEXT_ANTIALIAS_MODE DWriteMapFontQuality(int extraFontFlag) {
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switch (extraFontFlag & SC_EFF_QUALITY_MASK) {
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case SC_EFF_QUALITY_NON_ANTIALIASED:
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return D2D1_TEXT_ANTIALIAS_MODE_ALIASED;
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case SC_EFF_QUALITY_ANTIALIASED:
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return D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE;
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case SC_EFF_QUALITY_LCD_OPTIMIZED:
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return D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE;
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default:
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return D2D1_TEXT_ANTIALIAS_MODE_DEFAULT;
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}
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}
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#endif
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static void SetLogFont(LOGFONTA &lf, const char *faceName, int characterSet, float size, int weight, bool italic, int extraFontFlag) {
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memset(&lf, 0, sizeof(lf));
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// The negative is to allow for leading
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lf.lfHeight = -(abs(static_cast<int>(size + 0.5)));
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lf.lfWeight = weight;
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lf.lfItalic = static_cast<BYTE>(italic ? 1 : 0);
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lf.lfCharSet = static_cast<BYTE>(characterSet);
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lf.lfQuality = Win32MapFontQuality(extraFontFlag);
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strncpy(lf.lfFaceName, faceName, sizeof(lf.lfFaceName));
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}
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/**
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* Create a hash from the parameters for a font to allow easy checking for identity.
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* If one font is the same as another, its hash will be the same, but if the hash is the
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* same then they may still be different.
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*/
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static int HashFont(const FontParameters &fp) {
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return
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static_cast<int>(fp.size) ^
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(fp.characterSet << 10) ^
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((fp.extraFontFlag & SC_EFF_QUALITY_MASK) << 9) ^
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((fp.weight/100) << 12) ^
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(fp.italic ? 0x20000000 : 0) ^
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(fp.technology << 15) ^
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fp.faceName[0];
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}
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class FontCached : Font {
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FontCached *next;
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int usage;
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float size;
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LOGFONTA lf;
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int technology;
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int hash;
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FontCached(const FontParameters &fp);
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~FontCached() {}
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bool SameAs(const FontParameters &fp);
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virtual void Release();
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static FontCached *first;
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public:
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static FontID FindOrCreate(const FontParameters &fp);
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static void ReleaseId(FontID fid_);
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};
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FontCached *FontCached::first = 0;
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FontCached::FontCached(const FontParameters &fp) :
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next(0), usage(0), size(1.0), hash(0) {
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SetLogFont(lf, fp.faceName, fp.characterSet, fp.size, fp.weight, fp.italic, fp.extraFontFlag);
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technology = fp.technology;
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hash = HashFont(fp);
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fid = 0;
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if (technology == SCWIN_TECH_GDI) {
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HFONT hfont = ::CreateFontIndirectA(&lf);
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fid = reinterpret_cast<void *>(new FormatAndMetrics(hfont, fp.extraFontFlag, fp.characterSet));
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} else {
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#if defined(USE_D2D)
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IDWriteTextFormat *pTextFormat;
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const int faceSize = 200;
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WCHAR wszFace[faceSize];
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UTF16FromUTF8(fp.faceName, static_cast<unsigned int>(strlen(fp.faceName))+1, wszFace, faceSize);
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FLOAT fHeight = fp.size;
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DWRITE_FONT_STYLE style = fp.italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL;
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HRESULT hr = pIDWriteFactory->CreateTextFormat(wszFace, NULL,
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static_cast<DWRITE_FONT_WEIGHT>(fp.weight),
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style,
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DWRITE_FONT_STRETCH_NORMAL, fHeight, L"en-us", &pTextFormat);
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if (SUCCEEDED(hr)) {
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pTextFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
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const int maxLines = 2;
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DWRITE_LINE_METRICS lineMetrics[maxLines];
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UINT32 lineCount = 0;
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FLOAT yAscent = 1.0f;
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FLOAT yDescent = 1.0f;
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FLOAT yInternalLeading = 0.0f;
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IDWriteTextLayout *pTextLayout = 0;
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hr = pIDWriteFactory->CreateTextLayout(L"X", 1, pTextFormat,
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100.0f, 100.0f, &pTextLayout);
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if (SUCCEEDED(hr)) {
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hr = pTextLayout->GetLineMetrics(lineMetrics, maxLines, &lineCount);
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if (SUCCEEDED(hr)) {
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yAscent = lineMetrics[0].baseline;
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yDescent = lineMetrics[0].height - lineMetrics[0].baseline;
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FLOAT emHeight;
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hr = pTextLayout->GetFontSize(0, &emHeight);
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if (SUCCEEDED(hr)) {
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yInternalLeading = lineMetrics[0].height - emHeight;
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}
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}
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pTextLayout->Release();
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pTextFormat->SetLineSpacing(DWRITE_LINE_SPACING_METHOD_UNIFORM, lineMetrics[0].height, lineMetrics[0].baseline);
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}
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fid = reinterpret_cast<void *>(new FormatAndMetrics(pTextFormat, fp.extraFontFlag, fp.characterSet, yAscent, yDescent, yInternalLeading));
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}
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#endif
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}
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usage = 1;
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}
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bool FontCached::SameAs(const FontParameters &fp) {
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return
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(size == fp.size) &&
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(lf.lfWeight == fp.weight) &&
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(lf.lfItalic == static_cast<BYTE>(fp.italic ? 1 : 0)) &&
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(lf.lfCharSet == fp.characterSet) &&
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(lf.lfQuality == Win32MapFontQuality(fp.extraFontFlag)) &&
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(technology == fp.technology) &&
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0 == strcmp(lf.lfFaceName,fp.faceName);
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}
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void FontCached::Release() {
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delete reinterpret_cast<FormatAndMetrics *>(fid);
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fid = 0;
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}
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FontID FontCached::FindOrCreate(const FontParameters &fp) {
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FontID ret = 0;
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::EnterCriticalSection(&crPlatformLock);
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int hashFind = HashFont(fp);
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for (FontCached *cur=first; cur; cur=cur->next) {
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if ((cur->hash == hashFind) &&
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cur->SameAs(fp)) {
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cur->usage++;
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ret = cur->fid;
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}
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}
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if (ret == 0) {
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FontCached *fc = new FontCached(fp);
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fc->next = first;
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first = fc;
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ret = fc->fid;
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}
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::LeaveCriticalSection(&crPlatformLock);
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return ret;
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}
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void FontCached::ReleaseId(FontID fid_) {
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::EnterCriticalSection(&crPlatformLock);
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FontCached **pcur=&first;
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for (FontCached *cur=first; cur; cur=cur->next) {
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if (cur->fid == fid_) {
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cur->usage--;
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if (cur->usage == 0) {
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*pcur = cur->next;
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cur->Release();
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cur->next = 0;
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delete cur;
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}
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break;
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}
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pcur=&cur->next;
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}
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::LeaveCriticalSection(&crPlatformLock);
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}
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Font::Font() {
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fid = 0;
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}
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Font::~Font() {
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}
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#define FONTS_CACHED
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void Font::Create(const FontParameters &fp) {
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Release();
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if (fp.faceName)
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fid = FontCached::FindOrCreate(fp);
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}
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void Font::Release() {
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if (fid)
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FontCached::ReleaseId(fid);
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fid = 0;
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}
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// Buffer to hold strings and string position arrays without always allocating on heap.
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// May sometimes have string too long to allocate on stack. So use a fixed stack-allocated buffer
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// when less than safe size otherwise allocate on heap and free automatically.
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template<typename T, int lengthStandard>
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class VarBuffer {
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T bufferStandard[lengthStandard];
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// Private so VarBuffer objects can not be copied
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VarBuffer(const VarBuffer &);
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VarBuffer &operator=(const VarBuffer &);
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public:
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T *buffer;
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VarBuffer(size_t length) : buffer(0) {
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if (length > lengthStandard) {
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buffer = new T[length];
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} else {
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buffer = bufferStandard;
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}
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}
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~VarBuffer() {
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if (buffer != bufferStandard) {
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delete []buffer;
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buffer = 0;
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}
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}
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};
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|
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const int stackBufferLength = 10000;
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class TextWide : public VarBuffer<wchar_t, stackBufferLength> {
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public:
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int tlen;
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TextWide(const char *s, int len, bool unicodeMode, int codePage=0) :
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VarBuffer<wchar_t, stackBufferLength>(len) {
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if (unicodeMode) {
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tlen = UTF16FromUTF8(s, len, buffer, len);
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} else {
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// Support Asian string display in 9x English
|
|
tlen = ::MultiByteToWideChar(codePage, 0, s, len, buffer, len);
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}
|
|
}
|
|
};
|
|
typedef VarBuffer<XYPOSITION, stackBufferLength> TextPositions;
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
namespace Scintilla {
|
|
#endif
|
|
|
|
class SurfaceGDI : public Surface {
|
|
bool unicodeMode;
|
|
HDC hdc;
|
|
bool hdcOwned;
|
|
HPEN pen;
|
|
HPEN penOld;
|
|
HBRUSH brush;
|
|
HBRUSH brushOld;
|
|
HFONT font;
|
|
HFONT fontOld;
|
|
HBITMAP bitmap;
|
|
HBITMAP bitmapOld;
|
|
int maxWidthMeasure;
|
|
int maxLenText;
|
|
|
|
int codePage;
|
|
// If 9x OS and current code page is same as ANSI code page.
|
|
bool win9xACPSame;
|
|
|
|
void BrushColor(ColourDesired back);
|
|
void SetFont(Font &font_);
|
|
|
|
// Private so SurfaceGDI objects can not be copied
|
|
SurfaceGDI(const SurfaceGDI &);
|
|
SurfaceGDI &operator=(const SurfaceGDI &);
|
|
public:
|
|
SurfaceGDI();
|
|
virtual ~SurfaceGDI();
|
|
|
|
void Init(WindowID wid);
|
|
void Init(SurfaceID sid, WindowID wid);
|
|
void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
|
|
|
|
void Release();
|
|
bool Initialised();
|
|
void PenColour(ColourDesired fore);
|
|
int LogPixelsY();
|
|
int DeviceHeightFont(int points);
|
|
void MoveTo(int x_, int y_);
|
|
void LineTo(int x_, int y_);
|
|
void Polygon(Point *pts, int npts, ColourDesired fore, ColourDesired back);
|
|
void RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back);
|
|
void FillRectangle(PRectangle rc, ColourDesired back);
|
|
void FillRectangle(PRectangle rc, Surface &surfacePattern);
|
|
void RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back);
|
|
void AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill,
|
|
ColourDesired outline, int alphaOutline, int flags);
|
|
void DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage);
|
|
void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back);
|
|
void Copy(PRectangle rc, Point from, Surface &surfaceSource);
|
|
|
|
void DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions);
|
|
void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back);
|
|
void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back);
|
|
void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore);
|
|
void MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions);
|
|
XYPOSITION WidthText(Font &font_, const char *s, int len);
|
|
XYPOSITION WidthChar(Font &font_, char ch);
|
|
XYPOSITION Ascent(Font &font_);
|
|
XYPOSITION Descent(Font &font_);
|
|
XYPOSITION InternalLeading(Font &font_);
|
|
XYPOSITION ExternalLeading(Font &font_);
|
|
XYPOSITION Height(Font &font_);
|
|
XYPOSITION AverageCharWidth(Font &font_);
|
|
|
|
void SetClip(PRectangle rc);
|
|
void FlushCachedState();
|
|
|
|
void SetUnicodeMode(bool unicodeMode_);
|
|
void SetDBCSMode(int codePage_);
|
|
};
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
} //namespace Scintilla
|
|
#endif
|
|
|
|
SurfaceGDI::SurfaceGDI() :
|
|
unicodeMode(false),
|
|
hdc(0), hdcOwned(false),
|
|
pen(0), penOld(0),
|
|
brush(0), brushOld(0),
|
|
font(0), fontOld(0),
|
|
bitmap(0), bitmapOld(0) {
|
|
// Windows 9x has only a 16 bit coordinate system so break after 30000 pixels
|
|
maxWidthMeasure = IsNT() ? INT_MAX : 30000;
|
|
// There appears to be a 16 bit string length limit in GDI on NT and a limit of
|
|
// 8192 characters on Windows 95.
|
|
maxLenText = IsNT() ? 65535 : 8192;
|
|
|
|
codePage = 0;
|
|
win9xACPSame = false;
|
|
}
|
|
|
|
SurfaceGDI::~SurfaceGDI() {
|
|
Release();
|
|
}
|
|
|
|
void SurfaceGDI::Release() {
|
|
if (penOld) {
|
|
::SelectObject(reinterpret_cast<HDC>(hdc), penOld);
|
|
::DeleteObject(pen);
|
|
penOld = 0;
|
|
}
|
|
pen = 0;
|
|
if (brushOld) {
|
|
::SelectObject(reinterpret_cast<HDC>(hdc), brushOld);
|
|
::DeleteObject(brush);
|
|
brushOld = 0;
|
|
}
|
|
brush = 0;
|
|
if (fontOld) {
|
|
// Fonts are not deleted as they are owned by a Font object
|
|
::SelectObject(reinterpret_cast<HDC>(hdc), fontOld);
|
|
fontOld = 0;
|
|
}
|
|
font = 0;
|
|
if (bitmapOld) {
|
|
::SelectObject(reinterpret_cast<HDC>(hdc), bitmapOld);
|
|
::DeleteObject(bitmap);
|
|
bitmapOld = 0;
|
|
}
|
|
bitmap = 0;
|
|
if (hdcOwned) {
|
|
::DeleteDC(reinterpret_cast<HDC>(hdc));
|
|
hdc = 0;
|
|
hdcOwned = false;
|
|
}
|
|
}
|
|
|
|
bool SurfaceGDI::Initialised() {
|
|
return hdc != 0;
|
|
}
|
|
|
|
void SurfaceGDI::Init(WindowID) {
|
|
Release();
|
|
hdc = ::CreateCompatibleDC(NULL);
|
|
hdcOwned = true;
|
|
::SetTextAlign(reinterpret_cast<HDC>(hdc), TA_BASELINE);
|
|
}
|
|
|
|
void SurfaceGDI::Init(SurfaceID sid, WindowID) {
|
|
Release();
|
|
hdc = reinterpret_cast<HDC>(sid);
|
|
::SetTextAlign(reinterpret_cast<HDC>(hdc), TA_BASELINE);
|
|
}
|
|
|
|
void SurfaceGDI::InitPixMap(int width, int height, Surface *surface_, WindowID) {
|
|
Release();
|
|
hdc = ::CreateCompatibleDC(static_cast<SurfaceGDI *>(surface_)->hdc);
|
|
hdcOwned = true;
|
|
bitmap = ::CreateCompatibleBitmap(static_cast<SurfaceGDI *>(surface_)->hdc, width, height);
|
|
bitmapOld = static_cast<HBITMAP>(::SelectObject(hdc, bitmap));
|
|
::SetTextAlign(reinterpret_cast<HDC>(hdc), TA_BASELINE);
|
|
}
|
|
|
|
void SurfaceGDI::PenColour(ColourDesired fore) {
|
|
if (pen) {
|
|
::SelectObject(hdc, penOld);
|
|
::DeleteObject(pen);
|
|
pen = 0;
|
|
penOld = 0;
|
|
}
|
|
pen = ::CreatePen(0,1,fore.AsLong());
|
|
penOld = static_cast<HPEN>(::SelectObject(reinterpret_cast<HDC>(hdc), pen));
|
|
}
|
|
|
|
void SurfaceGDI::BrushColor(ColourDesired back) {
|
|
if (brush) {
|
|
::SelectObject(hdc, brushOld);
|
|
::DeleteObject(brush);
|
|
brush = 0;
|
|
brushOld = 0;
|
|
}
|
|
// Only ever want pure, non-dithered brushes
|
|
ColourDesired colourNearest = ::GetNearestColor(hdc, back.AsLong());
|
|
brush = ::CreateSolidBrush(colourNearest.AsLong());
|
|
brushOld = static_cast<HBRUSH>(::SelectObject(hdc, brush));
|
|
}
|
|
|
|
void SurfaceGDI::SetFont(Font &font_) {
|
|
if (font_.GetID() != font) {
|
|
FormatAndMetrics *pfm = reinterpret_cast<FormatAndMetrics *>(font_.GetID());
|
|
PLATFORM_ASSERT(pfm->technology == SCWIN_TECH_GDI);
|
|
if (fontOld) {
|
|
::SelectObject(hdc, pfm->hfont);
|
|
} else {
|
|
fontOld = static_cast<HFONT>(::SelectObject(hdc, pfm->hfont));
|
|
}
|
|
font = reinterpret_cast<HFONT>(pfm->hfont);
|
|
}
|
|
}
|
|
|
|
int SurfaceGDI::LogPixelsY() {
|
|
return ::GetDeviceCaps(hdc, LOGPIXELSY);
|
|
}
|
|
|
|
int SurfaceGDI::DeviceHeightFont(int points) {
|
|
return ::MulDiv(points, LogPixelsY(), 72);
|
|
}
|
|
|
|
void SurfaceGDI::MoveTo(int x_, int y_) {
|
|
::MoveToEx(hdc, x_, y_, 0);
|
|
}
|
|
|
|
void SurfaceGDI::LineTo(int x_, int y_) {
|
|
::LineTo(hdc, x_, y_);
|
|
}
|
|
|
|
void SurfaceGDI::Polygon(Point *pts, int npts, ColourDesired fore, ColourDesired back) {
|
|
PenColour(fore);
|
|
BrushColor(back);
|
|
std::vector<POINT> outline;
|
|
for (int i=0;i<npts;i++) {
|
|
POINT pt = {static_cast<LONG>(pts[i].x), static_cast<LONG>(pts[i].y)};
|
|
outline.push_back(pt);
|
|
}
|
|
::Polygon(hdc, &outline[0], npts);
|
|
}
|
|
|
|
void SurfaceGDI::RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back) {
|
|
PenColour(fore);
|
|
BrushColor(back);
|
|
::Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
|
|
}
|
|
|
|
void SurfaceGDI::FillRectangle(PRectangle rc, ColourDesired back) {
|
|
// Using ExtTextOut rather than a FillRect ensures that no dithering occurs.
|
|
// There is no need to allocate a brush either.
|
|
RECT rcw = RectFromPRectangle(rc);
|
|
::SetBkColor(hdc, back.AsLong());
|
|
::ExtTextOut(hdc, rc.left, rc.top, ETO_OPAQUE, &rcw, TEXT(""), 0, NULL);
|
|
}
|
|
|
|
void SurfaceGDI::FillRectangle(PRectangle rc, Surface &surfacePattern) {
|
|
HBRUSH br;
|
|
if (static_cast<SurfaceGDI &>(surfacePattern).bitmap)
|
|
br = ::CreatePatternBrush(static_cast<SurfaceGDI &>(surfacePattern).bitmap);
|
|
else // Something is wrong so display in red
|
|
br = ::CreateSolidBrush(RGB(0xff, 0, 0));
|
|
RECT rcw = RectFromPRectangle(rc);
|
|
::FillRect(hdc, &rcw, br);
|
|
::DeleteObject(br);
|
|
}
|
|
|
|
void SurfaceGDI::RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back) {
|
|
PenColour(fore);
|
|
BrushColor(back);
|
|
::RoundRect(hdc,
|
|
rc.left + 1, rc.top,
|
|
rc.right - 1, rc.bottom,
|
|
8, 8);
|
|
}
|
|
|
|
// Plot a point into a DWORD buffer symetrically to all 4 qudrants
|
|
static void AllFour(DWORD *pixels, int width, int height, int x, int y, DWORD val) {
|
|
pixels[y*width+x] = val;
|
|
pixels[y*width+width-1-x] = val;
|
|
pixels[(height-1-y)*width+x] = val;
|
|
pixels[(height-1-y)*width+width-1-x] = val;
|
|
}
|
|
|
|
#ifndef AC_SRC_OVER
|
|
#define AC_SRC_OVER 0x00
|
|
#endif
|
|
#ifndef AC_SRC_ALPHA
|
|
#define AC_SRC_ALPHA 0x01
|
|
#endif
|
|
|
|
static DWORD dwordFromBGRA(byte b, byte g, byte r, byte a) {
|
|
union {
|
|
byte pixVal[4];
|
|
DWORD val;
|
|
} converter;
|
|
converter.pixVal[0] = b;
|
|
converter.pixVal[1] = g;
|
|
converter.pixVal[2] = r;
|
|
converter.pixVal[3] = a;
|
|
return converter.val;
|
|
}
|
|
|
|
void SurfaceGDI::AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill,
|
|
ColourDesired outline, int alphaOutline, int /* flags*/ ) {
|
|
if (AlphaBlendFn && rc.Width() > 0) {
|
|
HDC hMemDC = ::CreateCompatibleDC(reinterpret_cast<HDC>(hdc));
|
|
int width = rc.Width();
|
|
int height = rc.Height();
|
|
// Ensure not distorted too much by corners when small
|
|
cornerSize = Platform::Minimum(cornerSize, (Platform::Minimum(width, height) / 2) - 2);
|
|
BITMAPINFO bpih = {sizeof(BITMAPINFOHEADER), width, height, 1, 32, BI_RGB, 0, 0, 0, 0, 0};
|
|
void *image = 0;
|
|
HBITMAP hbmMem = CreateDIBSection(reinterpret_cast<HDC>(hMemDC), &bpih,
|
|
DIB_RGB_COLORS, &image, NULL, 0);
|
|
|
|
if (hbmMem) {
|
|
HBITMAP hbmOld = SelectBitmap(hMemDC, hbmMem);
|
|
|
|
DWORD valEmpty = dwordFromBGRA(0,0,0,0);
|
|
DWORD valFill = dwordFromBGRA(
|
|
static_cast<byte>(GetBValue(fill.AsLong()) * alphaFill / 255),
|
|
static_cast<byte>(GetGValue(fill.AsLong()) * alphaFill / 255),
|
|
static_cast<byte>(GetRValue(fill.AsLong()) * alphaFill / 255),
|
|
static_cast<byte>(alphaFill));
|
|
DWORD valOutline = dwordFromBGRA(
|
|
static_cast<byte>(GetBValue(outline.AsLong()) * alphaOutline / 255),
|
|
static_cast<byte>(GetGValue(outline.AsLong()) * alphaOutline / 255),
|
|
static_cast<byte>(GetRValue(outline.AsLong()) * alphaOutline / 255),
|
|
static_cast<byte>(alphaOutline));
|
|
DWORD *pixels = reinterpret_cast<DWORD *>(image);
|
|
for (int y=0; y<height; y++) {
|
|
for (int x=0; x<width; x++) {
|
|
if ((x==0) || (x==width-1) || (y == 0) || (y == height-1)) {
|
|
pixels[y*width+x] = valOutline;
|
|
} else {
|
|
pixels[y*width+x] = valFill;
|
|
}
|
|
}
|
|
}
|
|
for (int c=0;c<cornerSize; c++) {
|
|
for (int x=0;x<c+1; x++) {
|
|
AllFour(pixels, width, height, x, c-x, valEmpty);
|
|
}
|
|
}
|
|
for (int x=1;x<cornerSize; x++) {
|
|
AllFour(pixels, width, height, x, cornerSize-x, valOutline);
|
|
}
|
|
|
|
BLENDFUNCTION merge = { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
|
|
|
|
AlphaBlendFn(reinterpret_cast<HDC>(hdc), rc.left, rc.top, width, height, hMemDC, 0, 0, width, height, merge);
|
|
|
|
SelectBitmap(hMemDC, hbmOld);
|
|
::DeleteObject(hbmMem);
|
|
}
|
|
::DeleteDC(hMemDC);
|
|
} else {
|
|
BrushColor(outline);
|
|
RECT rcw = RectFromPRectangle(rc);
|
|
FrameRect(hdc, &rcw, brush);
|
|
}
|
|
}
|
|
|
|
void SurfaceGDI::DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) {
|
|
if (AlphaBlendFn && rc.Width() > 0) {
|
|
HDC hMemDC = ::CreateCompatibleDC(reinterpret_cast<HDC>(hdc));
|
|
if (rc.Width() > width)
|
|
rc.left += static_cast<int>((rc.Width() - width) / 2);
|
|
rc.right = rc.left + width;
|
|
if (rc.Height() > height)
|
|
rc.top += static_cast<int>((rc.Height() - height) / 2);
|
|
rc.bottom = rc.top + height;
|
|
|
|
BITMAPINFO bpih = {sizeof(BITMAPINFOHEADER), width, height, 1, 32, BI_RGB, 0, 0, 0, 0, 0};
|
|
unsigned char *image = 0;
|
|
HBITMAP hbmMem = CreateDIBSection(reinterpret_cast<HDC>(hMemDC), &bpih,
|
|
DIB_RGB_COLORS, reinterpret_cast<void **>(&image), NULL, 0);
|
|
if (hbmMem) {
|
|
HBITMAP hbmOld = SelectBitmap(hMemDC, hbmMem);
|
|
|
|
for (int y=height-1; y>=0; y--) {
|
|
for (int x=0; x<width; x++) {
|
|
unsigned char *pixel = image + (y*width+x) * 4;
|
|
unsigned char alpha = pixelsImage[3];
|
|
// Input is RGBA, output is BGRA with premultiplied alpha
|
|
pixel[2] = static_cast<unsigned char>((*pixelsImage++) * alpha / 255);
|
|
pixel[1] = static_cast<unsigned char>((*pixelsImage++) * alpha / 255);
|
|
pixel[0] = static_cast<unsigned char>((*pixelsImage++) * alpha / 255);
|
|
pixel[3] = static_cast<unsigned char>(*pixelsImage++);
|
|
}
|
|
}
|
|
|
|
BLENDFUNCTION merge = { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
|
|
|
|
AlphaBlendFn(reinterpret_cast<HDC>(hdc), rc.left, rc.top, rc.Width(), rc.Height(), hMemDC, 0, 0, width, height, merge);
|
|
|
|
SelectBitmap(hMemDC, hbmOld);
|
|
::DeleteObject(hbmMem);
|
|
}
|
|
::DeleteDC(hMemDC);
|
|
|
|
}
|
|
}
|
|
|
|
void SurfaceGDI::Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) {
|
|
PenColour(fore);
|
|
BrushColor(back);
|
|
::Ellipse(hdc, rc.left, rc.top, rc.right, rc.bottom);
|
|
}
|
|
|
|
void SurfaceGDI::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
|
|
::BitBlt(hdc,
|
|
rc.left, rc.top, rc.Width(), rc.Height(),
|
|
static_cast<SurfaceGDI &>(surfaceSource).hdc, from.x, from.y, SRCCOPY);
|
|
}
|
|
|
|
typedef VarBuffer<int, stackBufferLength> TextPositionsI;
|
|
|
|
void SurfaceGDI::DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions) {
|
|
SetFont(font_);
|
|
RECT rcw = RectFromPRectangle(rc);
|
|
SIZE sz={0,0};
|
|
int pos = 0;
|
|
int x = rc.left;
|
|
|
|
// Text drawing may fail if the text is too big.
|
|
// If it does fail, slice up into segments and draw each segment.
|
|
const int maxSegmentLength = 0x200;
|
|
|
|
if ((!unicodeMode) && (IsNT() || (codePage==0) || win9xACPSame)) {
|
|
// Use ANSI calls
|
|
int lenDraw = Platform::Minimum(len, maxLenText);
|
|
if (!::ExtTextOutA(hdc, x, ybase, fuOptions, &rcw, s, lenDraw, NULL)) {
|
|
while (lenDraw > pos) {
|
|
int seglen = Platform::Minimum(maxSegmentLength, lenDraw - pos);
|
|
if (!::ExtTextOutA(hdc, x, ybase, fuOptions, &rcw, s+pos, seglen, NULL)) {
|
|
PLATFORM_ASSERT(false);
|
|
return;
|
|
}
|
|
::GetTextExtentPoint32A(hdc, s+pos, seglen, &sz);
|
|
x += sz.cx;
|
|
pos += seglen;
|
|
}
|
|
}
|
|
} else {
|
|
// Use Unicode calls
|
|
const TextWide tbuf(s, len, unicodeMode, codePage);
|
|
if (!::ExtTextOutW(hdc, x, ybase, fuOptions, &rcw, tbuf.buffer, tbuf.tlen, NULL)) {
|
|
while (tbuf.tlen > pos) {
|
|
int seglen = Platform::Minimum(maxSegmentLength, tbuf.tlen - pos);
|
|
if (!::ExtTextOutW(hdc, x, ybase, fuOptions, &rcw, tbuf.buffer+pos, seglen, NULL)) {
|
|
PLATFORM_ASSERT(false);
|
|
return;
|
|
}
|
|
::GetTextExtentPoint32W(hdc, tbuf.buffer+pos, seglen, &sz);
|
|
x += sz.cx;
|
|
pos += seglen;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceGDI::DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
|
|
ColourDesired fore, ColourDesired back) {
|
|
::SetTextColor(hdc, fore.AsLong());
|
|
::SetBkColor(hdc, back.AsLong());
|
|
DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE);
|
|
}
|
|
|
|
void SurfaceGDI::DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
|
|
ColourDesired fore, ColourDesired back) {
|
|
::SetTextColor(hdc, fore.AsLong());
|
|
::SetBkColor(hdc, back.AsLong());
|
|
DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE | ETO_CLIPPED);
|
|
}
|
|
|
|
void SurfaceGDI::DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
|
|
ColourDesired fore) {
|
|
// Avoid drawing spaces in transparent mode
|
|
for (int i=0;i<len;i++) {
|
|
if (s[i] != ' ') {
|
|
::SetTextColor(hdc, fore.AsLong());
|
|
::SetBkMode(hdc, TRANSPARENT);
|
|
DrawTextCommon(rc, font_, ybase, s, len, 0);
|
|
::SetBkMode(hdc, OPAQUE);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::WidthText(Font &font_, const char *s, int len) {
|
|
SetFont(font_);
|
|
SIZE sz={0,0};
|
|
if ((!unicodeMode) && (IsNT() || (codePage==0) || win9xACPSame)) {
|
|
::GetTextExtentPoint32A(hdc, s, Platform::Minimum(len, maxLenText), &sz);
|
|
} else {
|
|
const TextWide tbuf(s, len, unicodeMode, codePage);
|
|
::GetTextExtentPoint32W(hdc, tbuf.buffer, tbuf.tlen, &sz);
|
|
}
|
|
return sz.cx;
|
|
}
|
|
|
|
void SurfaceGDI::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions) {
|
|
SetFont(font_);
|
|
SIZE sz={0,0};
|
|
int fit = 0;
|
|
if (unicodeMode) {
|
|
const TextWide tbuf(s, len, unicodeMode, codePage);
|
|
TextPositionsI poses(tbuf.tlen);
|
|
fit = tbuf.tlen;
|
|
if (!::GetTextExtentExPointW(hdc, tbuf.buffer, tbuf.tlen, maxWidthMeasure, &fit, poses.buffer, &sz)) {
|
|
// Likely to have failed because on Windows 9x where function not available
|
|
// So measure the character widths by measuring each initial substring
|
|
// Turns a linear operation into a qudratic but seems fast enough on test files
|
|
for (int widthSS=0; widthSS < tbuf.tlen; widthSS++) {
|
|
::GetTextExtentPoint32W(hdc, tbuf.buffer, widthSS+1, &sz);
|
|
poses.buffer[widthSS] = sz.cx;
|
|
}
|
|
}
|
|
// Map the widths given for UTF-16 characters back onto the UTF-8 input string
|
|
int ui=0;
|
|
const unsigned char *us = reinterpret_cast<const unsigned char *>(s);
|
|
int i=0;
|
|
while (ui<fit) {
|
|
unsigned char uch = us[i];
|
|
unsigned int lenChar = 1;
|
|
if (uch >= (0x80 + 0x40 + 0x20 + 0x10)) {
|
|
lenChar = 4;
|
|
ui++;
|
|
} else if (uch >= (0x80 + 0x40 + 0x20)) {
|
|
lenChar = 3;
|
|
} else if (uch >= (0x80)) {
|
|
lenChar = 2;
|
|
}
|
|
for (unsigned int bytePos=0; (bytePos<lenChar) && (i<len); bytePos++) {
|
|
positions[i++] = poses.buffer[ui];
|
|
}
|
|
ui++;
|
|
}
|
|
int lastPos = 0;
|
|
if (i > 0)
|
|
lastPos = positions[i-1];
|
|
while (i<len) {
|
|
positions[i++] = lastPos;
|
|
}
|
|
} else if (IsNT() || (codePage==0) || win9xACPSame) {
|
|
// Zero positions to avoid random behaviour on failure.
|
|
memset(positions, 0, len * sizeof(*positions));
|
|
// len may be larger than platform supports so loop over segments small enough for platform
|
|
int startOffset = 0;
|
|
while (len > 0) {
|
|
int lenBlock = Platform::Minimum(len, maxLenText);
|
|
TextPositionsI poses(len);
|
|
if (!::GetTextExtentExPointA(hdc, s, lenBlock, maxWidthMeasure, &fit, poses.buffer, &sz)) {
|
|
// Eeek - a NULL DC or other foolishness could cause this.
|
|
return;
|
|
} else if (fit < lenBlock) {
|
|
// For some reason, such as an incomplete DBCS character
|
|
// Not all the positions are filled in so make them equal to end.
|
|
if (fit == 0)
|
|
poses.buffer[fit++] = 0;
|
|
for (int i = fit;i<lenBlock;i++)
|
|
poses.buffer[i] = poses.buffer[fit-1];
|
|
}
|
|
for (int i=0;i<lenBlock;i++)
|
|
positions[i] = poses.buffer[i] + startOffset;
|
|
startOffset = poses.buffer[lenBlock-1];
|
|
len -= lenBlock;
|
|
positions += lenBlock;
|
|
s += lenBlock;
|
|
}
|
|
} else {
|
|
// Support Asian string display in 9x English
|
|
const TextWide tbuf(s, len, unicodeMode, codePage);
|
|
TextPositionsI poses(tbuf.tlen);
|
|
for (int widthSS=0; widthSS<tbuf.tlen; widthSS++) {
|
|
::GetTextExtentPoint32W(hdc, tbuf.buffer, widthSS+1, &sz);
|
|
poses.buffer[widthSS] = sz.cx;
|
|
}
|
|
|
|
int ui = 0;
|
|
for (int i=0;i<len;) {
|
|
if (Platform::IsDBCSLeadByte(codePage, s[i])) {
|
|
positions[i] = poses.buffer[ui];
|
|
positions[i+1] = poses.buffer[ui];
|
|
i += 2;
|
|
} else {
|
|
positions[i] = poses.buffer[ui];
|
|
i++;
|
|
}
|
|
|
|
ui++;
|
|
}
|
|
}
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::WidthChar(Font &font_, char ch) {
|
|
SetFont(font_);
|
|
SIZE sz;
|
|
::GetTextExtentPoint32A(hdc, &ch, 1, &sz);
|
|
return sz.cx;
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::Ascent(Font &font_) {
|
|
SetFont(font_);
|
|
TEXTMETRIC tm;
|
|
::GetTextMetrics(hdc, &tm);
|
|
return tm.tmAscent;
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::Descent(Font &font_) {
|
|
SetFont(font_);
|
|
TEXTMETRIC tm;
|
|
::GetTextMetrics(hdc, &tm);
|
|
return tm.tmDescent;
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::InternalLeading(Font &font_) {
|
|
SetFont(font_);
|
|
TEXTMETRIC tm;
|
|
::GetTextMetrics(hdc, &tm);
|
|
return tm.tmInternalLeading;
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::ExternalLeading(Font &font_) {
|
|
SetFont(font_);
|
|
TEXTMETRIC tm;
|
|
::GetTextMetrics(hdc, &tm);
|
|
return tm.tmExternalLeading;
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::Height(Font &font_) {
|
|
SetFont(font_);
|
|
TEXTMETRIC tm;
|
|
::GetTextMetrics(hdc, &tm);
|
|
return tm.tmHeight;
|
|
}
|
|
|
|
XYPOSITION SurfaceGDI::AverageCharWidth(Font &font_) {
|
|
SetFont(font_);
|
|
TEXTMETRIC tm;
|
|
::GetTextMetrics(hdc, &tm);
|
|
return tm.tmAveCharWidth;
|
|
}
|
|
|
|
void SurfaceGDI::SetClip(PRectangle rc) {
|
|
::IntersectClipRect(hdc, rc.left, rc.top, rc.right, rc.bottom);
|
|
}
|
|
|
|
void SurfaceGDI::FlushCachedState() {
|
|
pen = 0;
|
|
brush = 0;
|
|
font = 0;
|
|
}
|
|
|
|
void SurfaceGDI::SetUnicodeMode(bool unicodeMode_) {
|
|
unicodeMode=unicodeMode_;
|
|
}
|
|
|
|
void SurfaceGDI::SetDBCSMode(int codePage_) {
|
|
// No action on window as automatically handled by system.
|
|
codePage = codePage_;
|
|
win9xACPSame = !IsNT() && ((unsigned int)codePage == ::GetACP());
|
|
}
|
|
|
|
#if defined(USE_D2D)
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
namespace Scintilla {
|
|
#endif
|
|
|
|
class SurfaceD2D : public Surface {
|
|
bool unicodeMode;
|
|
int x, y;
|
|
|
|
int codePage;
|
|
int codePageText;
|
|
|
|
ID2D1RenderTarget *pRenderTarget;
|
|
bool ownRenderTarget;
|
|
int clipsActive;
|
|
|
|
IDWriteTextFormat *pTextFormat;
|
|
FLOAT yAscent;
|
|
FLOAT yDescent;
|
|
FLOAT yInternalLeading;
|
|
|
|
ID2D1SolidColorBrush *pBrush;
|
|
|
|
int logPixelsY;
|
|
float dpiScaleX;
|
|
float dpiScaleY;
|
|
|
|
void SetFont(Font &font_);
|
|
|
|
// Private so SurfaceD2D objects can not be copied
|
|
SurfaceD2D(const SurfaceD2D &);
|
|
SurfaceD2D &operator=(const SurfaceD2D &);
|
|
public:
|
|
SurfaceD2D();
|
|
virtual ~SurfaceD2D();
|
|
|
|
void SetScale();
|
|
void Init(WindowID wid);
|
|
void Init(SurfaceID sid, WindowID wid);
|
|
void InitPixMap(int width, int height, Surface *surface_, WindowID wid);
|
|
|
|
void Release();
|
|
bool Initialised();
|
|
|
|
HRESULT FlushDrawing();
|
|
|
|
void PenColour(ColourDesired fore);
|
|
void D2DPenColour(ColourDesired fore, int alpha=255);
|
|
int LogPixelsY();
|
|
int DeviceHeightFont(int points);
|
|
void MoveTo(int x_, int y_);
|
|
void LineTo(int x_, int y_);
|
|
void Polygon(Point *pts, int npts, ColourDesired fore, ColourDesired back);
|
|
void RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back);
|
|
void FillRectangle(PRectangle rc, ColourDesired back);
|
|
void FillRectangle(PRectangle rc, Surface &surfacePattern);
|
|
void RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back);
|
|
void AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill,
|
|
ColourDesired outline, int alphaOutline, int flags);
|
|
void DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage);
|
|
void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back);
|
|
void Copy(PRectangle rc, Point from, Surface &surfaceSource);
|
|
|
|
void DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions);
|
|
void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back);
|
|
void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back);
|
|
void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore);
|
|
void MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions);
|
|
XYPOSITION WidthText(Font &font_, const char *s, int len);
|
|
XYPOSITION WidthChar(Font &font_, char ch);
|
|
XYPOSITION Ascent(Font &font_);
|
|
XYPOSITION Descent(Font &font_);
|
|
XYPOSITION InternalLeading(Font &font_);
|
|
XYPOSITION ExternalLeading(Font &font_);
|
|
XYPOSITION Height(Font &font_);
|
|
XYPOSITION AverageCharWidth(Font &font_);
|
|
|
|
void SetClip(PRectangle rc);
|
|
void FlushCachedState();
|
|
|
|
void SetUnicodeMode(bool unicodeMode_);
|
|
void SetDBCSMode(int codePage_);
|
|
};
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
} //namespace Scintilla
|
|
#endif
|
|
|
|
SurfaceD2D::SurfaceD2D() :
|
|
unicodeMode(false),
|
|
x(0), y(0) {
|
|
|
|
codePage = 0;
|
|
codePageText = 0;
|
|
|
|
pRenderTarget = NULL;
|
|
ownRenderTarget = false;
|
|
clipsActive = 0;
|
|
|
|
// From selected font
|
|
pTextFormat = NULL;
|
|
yAscent = 2;
|
|
yDescent = 1;
|
|
yInternalLeading = 0;
|
|
|
|
pBrush = NULL;
|
|
|
|
logPixelsY = 72;
|
|
dpiScaleX = 1.0;
|
|
dpiScaleY = 1.0;
|
|
}
|
|
|
|
SurfaceD2D::~SurfaceD2D() {
|
|
Release();
|
|
}
|
|
|
|
void SurfaceD2D::Release() {
|
|
if (pBrush) {
|
|
pBrush->Release();
|
|
pBrush = 0;
|
|
}
|
|
if (pRenderTarget) {
|
|
while (clipsActive) {
|
|
pRenderTarget->PopAxisAlignedClip();
|
|
clipsActive--;
|
|
}
|
|
if (ownRenderTarget) {
|
|
pRenderTarget->Release();
|
|
}
|
|
pRenderTarget = 0;
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::SetScale() {
|
|
HDC hdcMeasure = ::CreateCompatibleDC(NULL);
|
|
logPixelsY = ::GetDeviceCaps(hdcMeasure, LOGPIXELSY);
|
|
dpiScaleX = ::GetDeviceCaps(hdcMeasure, LOGPIXELSX) / 96.0f;
|
|
dpiScaleY = logPixelsY / 96.0f;
|
|
::DeleteDC(hdcMeasure);
|
|
}
|
|
|
|
bool SurfaceD2D::Initialised() {
|
|
return pRenderTarget != 0;
|
|
}
|
|
|
|
HRESULT SurfaceD2D::FlushDrawing() {
|
|
return pRenderTarget->Flush();
|
|
}
|
|
|
|
void SurfaceD2D::Init(WindowID /* wid */) {
|
|
Release();
|
|
SetScale();
|
|
}
|
|
|
|
void SurfaceD2D::Init(SurfaceID sid, WindowID) {
|
|
Release();
|
|
SetScale();
|
|
pRenderTarget = reinterpret_cast<ID2D1RenderTarget *>(sid);
|
|
}
|
|
|
|
void SurfaceD2D::InitPixMap(int width, int height, Surface *surface_, WindowID) {
|
|
Release();
|
|
SetScale();
|
|
SurfaceD2D *psurfOther = static_cast<SurfaceD2D *>(surface_);
|
|
ID2D1BitmapRenderTarget *pCompatibleRenderTarget = NULL;
|
|
D2D1_SIZE_F desiredSize = D2D1::SizeF(width, height);
|
|
D2D1_PIXEL_FORMAT desiredFormat = psurfOther->pRenderTarget->GetPixelFormat();
|
|
desiredFormat.alphaMode = D2D1_ALPHA_MODE_IGNORE;
|
|
HRESULT hr = psurfOther->pRenderTarget->CreateCompatibleRenderTarget(
|
|
&desiredSize, NULL, &desiredFormat, D2D1_COMPATIBLE_RENDER_TARGET_OPTIONS_NONE, &pCompatibleRenderTarget);
|
|
if (SUCCEEDED(hr)) {
|
|
pRenderTarget = pCompatibleRenderTarget;
|
|
pRenderTarget->BeginDraw();
|
|
ownRenderTarget = true;
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::PenColour(ColourDesired fore) {
|
|
D2DPenColour(fore);
|
|
}
|
|
|
|
void SurfaceD2D::D2DPenColour(ColourDesired fore, int alpha) {
|
|
if (pRenderTarget) {
|
|
D2D_COLOR_F col;
|
|
col.r = (fore.AsLong() & 0xff) / 255.0;
|
|
col.g = ((fore.AsLong() & 0xff00) >> 8) / 255.0;
|
|
col.b = (fore.AsLong() >> 16) / 255.0;
|
|
col.a = alpha / 255.0;
|
|
if (pBrush) {
|
|
pBrush->SetColor(col);
|
|
} else {
|
|
HRESULT hr = pRenderTarget->CreateSolidColorBrush(col, &pBrush);
|
|
if (!SUCCEEDED(hr) && pBrush) {
|
|
pBrush->Release();
|
|
pBrush = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::SetFont(Font &font_) {
|
|
FormatAndMetrics *pfm = reinterpret_cast<FormatAndMetrics *>(font_.GetID());
|
|
PLATFORM_ASSERT(pfm->technology == SCWIN_TECH_DIRECTWRITE);
|
|
pTextFormat = pfm->pTextFormat;
|
|
yAscent = pfm->yAscent;
|
|
yDescent = pfm->yDescent;
|
|
yInternalLeading = pfm->yInternalLeading;
|
|
codePageText = codePage;
|
|
if (pfm->characterSet) {
|
|
codePageText = CodePageFromCharSet(pfm->characterSet, codePage);
|
|
}
|
|
if (pRenderTarget) {
|
|
pRenderTarget->SetTextAntialiasMode(DWriteMapFontQuality(pfm->extraFontFlag));
|
|
}
|
|
}
|
|
|
|
int SurfaceD2D::LogPixelsY() {
|
|
return logPixelsY;
|
|
}
|
|
|
|
int SurfaceD2D::DeviceHeightFont(int points) {
|
|
return ::MulDiv(points, LogPixelsY(), 72);
|
|
}
|
|
|
|
void SurfaceD2D::MoveTo(int x_, int y_) {
|
|
x = x_;
|
|
y = y_;
|
|
}
|
|
|
|
static int Delta(int difference) {
|
|
if (difference < 0)
|
|
return -1;
|
|
else if (difference > 0)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int RoundFloat(float f) {
|
|
return int(f+0.5);
|
|
}
|
|
|
|
void SurfaceD2D::LineTo(int x_, int y_) {
|
|
if (pRenderTarget) {
|
|
int xDiff = x_ - x;
|
|
int xDelta = Delta(xDiff);
|
|
int yDiff = y_ - y;
|
|
int yDelta = Delta(yDiff);
|
|
if ((xDiff == 0) || (yDiff == 0)) {
|
|
// Horizontal or vertical lines can be more precisely drawn as a filled rectangle
|
|
int xEnd = x_ - xDelta;
|
|
int left = Platform::Minimum(x, xEnd);
|
|
int width = abs(x - xEnd) + 1;
|
|
int yEnd = y_ - yDelta;
|
|
int top = Platform::Minimum(y, yEnd);
|
|
int height = abs(y - yEnd) + 1;
|
|
D2D1_RECT_F rectangle1 = D2D1::RectF(left, top, left+width, top+height);
|
|
pRenderTarget->FillRectangle(&rectangle1, pBrush);
|
|
} else if ((abs(xDiff) == abs(yDiff))) {
|
|
// 45 degree slope
|
|
pRenderTarget->DrawLine(D2D1::Point2F(x + 0.5, y + 0.5),
|
|
D2D1::Point2F(x_ + 0.5 - xDelta, y_ + 0.5 - yDelta), pBrush);
|
|
} else {
|
|
// Line has a different slope so difficult to avoid last pixel
|
|
pRenderTarget->DrawLine(D2D1::Point2F(x + 0.5, y + 0.5),
|
|
D2D1::Point2F(x_ + 0.5, y_ + 0.5), pBrush);
|
|
}
|
|
x = x_;
|
|
y = y_;
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::Polygon(Point *pts, int npts, ColourDesired fore, ColourDesired back) {
|
|
if (pRenderTarget) {
|
|
ID2D1Factory *pFactory = 0;
|
|
pRenderTarget->GetFactory(&pFactory);
|
|
ID2D1PathGeometry *geometry=0;
|
|
HRESULT hr = pFactory->CreatePathGeometry(&geometry);
|
|
if (SUCCEEDED(hr)) {
|
|
ID2D1GeometrySink *sink = 0;
|
|
hr = geometry->Open(&sink);
|
|
if (SUCCEEDED(hr)) {
|
|
sink->BeginFigure(D2D1::Point2F(pts[0].x + 0.5f, pts[0].y + 0.5f), D2D1_FIGURE_BEGIN_FILLED);
|
|
for (size_t i=1; i<static_cast<size_t>(npts); i++) {
|
|
sink->AddLine(D2D1::Point2F(pts[i].x + 0.5f, pts[i].y + 0.5f));
|
|
}
|
|
sink->EndFigure(D2D1_FIGURE_END_CLOSED);
|
|
sink->Close();
|
|
sink->Release();
|
|
|
|
D2DPenColour(back);
|
|
pRenderTarget->FillGeometry(geometry,pBrush);
|
|
D2DPenColour(fore);
|
|
pRenderTarget->DrawGeometry(geometry,pBrush);
|
|
}
|
|
|
|
geometry->Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back) {
|
|
if (pRenderTarget) {
|
|
D2D1_RECT_F rectangle1 = D2D1::RectF(RoundFloat(rc.left) + 0.5, rc.top+0.5, RoundFloat(rc.right) - 0.5, rc.bottom-0.5);
|
|
D2DPenColour(back);
|
|
pRenderTarget->FillRectangle(&rectangle1, pBrush);
|
|
D2DPenColour(fore);
|
|
pRenderTarget->DrawRectangle(&rectangle1, pBrush);
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::FillRectangle(PRectangle rc, ColourDesired back) {
|
|
if (pRenderTarget) {
|
|
D2DPenColour(back);
|
|
D2D1_RECT_F rectangle1 = D2D1::RectF(RoundFloat(rc.left), rc.top, RoundFloat(rc.right), rc.bottom);
|
|
pRenderTarget->FillRectangle(&rectangle1, pBrush);
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::FillRectangle(PRectangle rc, Surface &surfacePattern) {
|
|
SurfaceD2D &surfOther = static_cast<SurfaceD2D &>(surfacePattern);
|
|
surfOther.FlushDrawing();
|
|
ID2D1Bitmap *pBitmap = NULL;
|
|
ID2D1BitmapRenderTarget *pCompatibleRenderTarget = reinterpret_cast<ID2D1BitmapRenderTarget *>(
|
|
surfOther.pRenderTarget);
|
|
HRESULT hr = pCompatibleRenderTarget->GetBitmap(&pBitmap);
|
|
if (SUCCEEDED(hr)) {
|
|
ID2D1BitmapBrush *pBitmapBrush = NULL;
|
|
D2D1_BITMAP_BRUSH_PROPERTIES brushProperties =
|
|
D2D1::BitmapBrushProperties(D2D1_EXTEND_MODE_WRAP, D2D1_EXTEND_MODE_WRAP,
|
|
D2D1_BITMAP_INTERPOLATION_MODE_NEAREST_NEIGHBOR);
|
|
// Create the bitmap brush.
|
|
hr = pRenderTarget->CreateBitmapBrush(pBitmap, brushProperties, &pBitmapBrush);
|
|
pBitmap->Release();
|
|
if (SUCCEEDED(hr)) {
|
|
pRenderTarget->FillRectangle(
|
|
D2D1::RectF(rc.left, rc.top, rc.right, rc.bottom),
|
|
pBitmapBrush);
|
|
pBitmapBrush->Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back) {
|
|
if (pRenderTarget) {
|
|
D2D1_ROUNDED_RECT roundedRectFill = {
|
|
D2D1::RectF(rc.left+1.0, rc.top+1.0, rc.right-1.0, rc.bottom-1.0),
|
|
8, 8};
|
|
D2DPenColour(back);
|
|
pRenderTarget->FillRoundedRectangle(roundedRectFill, pBrush);
|
|
|
|
D2D1_ROUNDED_RECT roundedRect = {
|
|
D2D1::RectF(rc.left + 0.5, rc.top+0.5, rc.right - 0.5, rc.bottom-0.5),
|
|
8, 8};
|
|
D2DPenColour(fore);
|
|
pRenderTarget->DrawRoundedRectangle(roundedRect, pBrush);
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill,
|
|
ColourDesired outline, int alphaOutline, int /* flags*/ ) {
|
|
if (pRenderTarget) {
|
|
if (cornerSize == 0) {
|
|
// When corner size is zero, draw square rectangle to prevent blurry pixels at corners
|
|
D2D1_RECT_F rectFill = D2D1::RectF(RoundFloat(rc.left) + 1.0, rc.top + 1.0, RoundFloat(rc.right) - 1.0, rc.bottom - 1.0);
|
|
D2DPenColour(fill, alphaFill);
|
|
pRenderTarget->FillRectangle(rectFill, pBrush);
|
|
|
|
D2D1_RECT_F rectOutline = D2D1::RectF(RoundFloat(rc.left) + 0.5, rc.top + 0.5, RoundFloat(rc.right) - 0.5, rc.bottom - 0.5);
|
|
D2DPenColour(outline, alphaOutline);
|
|
pRenderTarget->DrawRectangle(rectOutline, pBrush);
|
|
} else {
|
|
const float cornerSizeF = static_cast<float>(cornerSize);
|
|
D2D1_ROUNDED_RECT roundedRectFill = {
|
|
D2D1::RectF(RoundFloat(rc.left) + 1.0, rc.top + 1.0, RoundFloat(rc.right) - 1.0, rc.bottom - 1.0),
|
|
cornerSizeF, cornerSizeF};
|
|
D2DPenColour(fill, alphaFill);
|
|
pRenderTarget->FillRoundedRectangle(roundedRectFill, pBrush);
|
|
|
|
D2D1_ROUNDED_RECT roundedRect = {
|
|
D2D1::RectF(RoundFloat(rc.left) + 0.5, rc.top + 0.5, RoundFloat(rc.right) - 0.5, rc.bottom - 0.5),
|
|
cornerSizeF, cornerSizeF};
|
|
D2DPenColour(outline, alphaOutline);
|
|
pRenderTarget->DrawRoundedRectangle(roundedRect, pBrush);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) {
|
|
if (pRenderTarget) {
|
|
if (rc.Width() > width)
|
|
rc.left += static_cast<int>((rc.Width() - width) / 2);
|
|
rc.right = rc.left + width;
|
|
if (rc.Height() > height)
|
|
rc.top += static_cast<int>((rc.Height() - height) / 2);
|
|
rc.bottom = rc.top + height;
|
|
|
|
std::vector<unsigned char> image(height * width * 4);
|
|
for (int y=0; y<height; y++) {
|
|
for (int x=0; x<width; x++) {
|
|
unsigned char *pixel = &image[0] + (y*width+x) * 4;
|
|
unsigned char alpha = pixelsImage[3];
|
|
// Input is RGBA, output is BGRA with premultiplied alpha
|
|
pixel[2] = (*pixelsImage++) * alpha / 255;
|
|
pixel[1] = (*pixelsImage++) * alpha / 255;
|
|
pixel[0] = (*pixelsImage++) * alpha / 255;
|
|
pixel[3] = *pixelsImage++;
|
|
}
|
|
}
|
|
|
|
ID2D1Bitmap *bitmap = 0;
|
|
D2D1_SIZE_U size = D2D1::SizeU(width, height);
|
|
D2D1_BITMAP_PROPERTIES props = {{DXGI_FORMAT_B8G8R8A8_UNORM,
|
|
D2D1_ALPHA_MODE_PREMULTIPLIED}, 72.0, 72.0};
|
|
HRESULT hr = pRenderTarget->CreateBitmap(size, &image[0],
|
|
width * 4, &props, &bitmap);
|
|
if (SUCCEEDED(hr)) {
|
|
D2D1_RECT_F rcDestination = {rc.left, rc.top, rc.right, rc.bottom};
|
|
pRenderTarget->DrawBitmap(bitmap, rcDestination);
|
|
bitmap->Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) {
|
|
if (pRenderTarget) {
|
|
FLOAT radius = rc.Width() / 2.0f - 1.0f;
|
|
D2D1_ELLIPSE ellipse = {
|
|
D2D1::Point2F((rc.left + rc.right) / 2.0f, (rc.top + rc.bottom) / 2.0f),
|
|
radius,radius};
|
|
|
|
PenColour(back);
|
|
pRenderTarget->FillEllipse(ellipse, pBrush);
|
|
PenColour(fore);
|
|
pRenderTarget->DrawEllipse(ellipse, pBrush);
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
|
|
SurfaceD2D &surfOther = static_cast<SurfaceD2D &>(surfaceSource);
|
|
surfOther.FlushDrawing();
|
|
ID2D1BitmapRenderTarget *pCompatibleRenderTarget = reinterpret_cast<ID2D1BitmapRenderTarget *>(
|
|
surfOther.pRenderTarget);
|
|
ID2D1Bitmap *pBitmap = NULL;
|
|
HRESULT hr = pCompatibleRenderTarget->GetBitmap(&pBitmap);
|
|
if (SUCCEEDED(hr)) {
|
|
D2D1_RECT_F rcDestination = {rc.left, rc.top, rc.right, rc.bottom};
|
|
D2D1_RECT_F rcSource = {from.x, from.y, from.x + rc.Width(), from.y + rc.Height()};
|
|
pRenderTarget->DrawBitmap(pBitmap, rcDestination, 1.0f,
|
|
D2D1_BITMAP_INTERPOLATION_MODE_NEAREST_NEIGHBOR, rcSource);
|
|
pRenderTarget->Flush();
|
|
pBitmap->Release();
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions) {
|
|
SetFont(font_);
|
|
|
|
// Use Unicode calls
|
|
const TextWide tbuf(s, len, unicodeMode, codePageText);
|
|
if (pRenderTarget && pTextFormat && pBrush) {
|
|
if (fuOptions & ETO_CLIPPED) {
|
|
D2D1_RECT_F rcClip = {rc.left, rc.top, rc.right, rc.bottom};
|
|
pRenderTarget->PushAxisAlignedClip(rcClip, D2D1_ANTIALIAS_MODE_ALIASED);
|
|
}
|
|
|
|
// Explicitly creating a text layout appears a little faster
|
|
IDWriteTextLayout *pTextLayout;
|
|
HRESULT hr = pIDWriteFactory->CreateTextLayout(tbuf.buffer, tbuf.tlen, pTextFormat,
|
|
rc.Width(), rc.Height(), &pTextLayout);
|
|
if (SUCCEEDED(hr)) {
|
|
D2D1_POINT_2F origin = {rc.left, ybase-yAscent};
|
|
pRenderTarget->DrawTextLayout(origin, pTextLayout, pBrush, D2D1_DRAW_TEXT_OPTIONS_NONE);
|
|
pTextLayout->Release();
|
|
}
|
|
|
|
if (fuOptions & ETO_CLIPPED) {
|
|
pRenderTarget->PopAxisAlignedClip();
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
|
|
ColourDesired fore, ColourDesired back) {
|
|
if (pRenderTarget) {
|
|
FillRectangle(rc, back);
|
|
D2DPenColour(fore);
|
|
DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE);
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
|
|
ColourDesired fore, ColourDesired back) {
|
|
if (pRenderTarget) {
|
|
FillRectangle(rc, back);
|
|
D2DPenColour(fore);
|
|
DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE | ETO_CLIPPED);
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
|
|
ColourDesired fore) {
|
|
// Avoid drawing spaces in transparent mode
|
|
for (int i=0;i<len;i++) {
|
|
if (s[i] != ' ') {
|
|
if (pRenderTarget) {
|
|
D2DPenColour(fore);
|
|
DrawTextCommon(rc, font_, ybase, s, len, 0);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::WidthText(Font &font_, const char *s, int len) {
|
|
FLOAT width = 1.0;
|
|
SetFont(font_);
|
|
const TextWide tbuf(s, len, unicodeMode, codePageText);
|
|
if (pIDWriteFactory && pTextFormat) {
|
|
// Create a layout
|
|
IDWriteTextLayout *pTextLayout = 0;
|
|
HRESULT hr = pIDWriteFactory->CreateTextLayout(tbuf.buffer, tbuf.tlen, pTextFormat, 1000.0, 1000.0, &pTextLayout);
|
|
if (SUCCEEDED(hr)) {
|
|
DWRITE_TEXT_METRICS textMetrics;
|
|
if (SUCCEEDED(pTextLayout->GetMetrics(&textMetrics)))
|
|
width = textMetrics.widthIncludingTrailingWhitespace;
|
|
pTextLayout->Release();
|
|
}
|
|
}
|
|
return width;
|
|
}
|
|
|
|
void SurfaceD2D::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions) {
|
|
SetFont(font_);
|
|
int fit = 0;
|
|
const TextWide tbuf(s, len, unicodeMode, codePageText);
|
|
TextPositions poses(tbuf.tlen);
|
|
fit = tbuf.tlen;
|
|
const int clusters = 1000;
|
|
DWRITE_CLUSTER_METRICS clusterMetrics[clusters];
|
|
UINT32 count = 0;
|
|
if (pIDWriteFactory && pTextFormat) {
|
|
SetFont(font_);
|
|
// Create a layout
|
|
IDWriteTextLayout *pTextLayout = 0;
|
|
HRESULT hr = pIDWriteFactory->CreateTextLayout(tbuf.buffer, tbuf.tlen, pTextFormat, 10000.0, 1000.0, &pTextLayout);
|
|
if (!SUCCEEDED(hr))
|
|
return;
|
|
// For now, assuming WCHAR == cluster
|
|
if (!SUCCEEDED(pTextLayout->GetClusterMetrics(clusterMetrics, clusters, &count)))
|
|
return;
|
|
FLOAT position = 0.0f;
|
|
size_t ti=0;
|
|
for (size_t ci=0;ci<count;ci++) {
|
|
position += clusterMetrics[ci].width;
|
|
for (size_t inCluster=0; inCluster<clusterMetrics[ci].length; inCluster++) {
|
|
//poses.buffer[ti++] = int(position + 0.5);
|
|
poses.buffer[ti++] = position;
|
|
}
|
|
}
|
|
PLATFORM_ASSERT(ti == static_cast<size_t>(tbuf.tlen));
|
|
pTextLayout->Release();
|
|
}
|
|
if (unicodeMode) {
|
|
// Map the widths given for UTF-16 characters back onto the UTF-8 input string
|
|
int ui=0;
|
|
const unsigned char *us = reinterpret_cast<const unsigned char *>(s);
|
|
int i=0;
|
|
while (ui<fit) {
|
|
unsigned char uch = us[i];
|
|
unsigned int lenChar = 1;
|
|
if (uch >= (0x80 + 0x40 + 0x20 + 0x10)) {
|
|
lenChar = 4;
|
|
ui++;
|
|
} else if (uch >= (0x80 + 0x40 + 0x20)) {
|
|
lenChar = 3;
|
|
} else if (uch >= (0x80)) {
|
|
lenChar = 2;
|
|
}
|
|
for (unsigned int bytePos=0; (bytePos<lenChar) && (i<len); bytePos++) {
|
|
positions[i++] = poses.buffer[ui];
|
|
}
|
|
ui++;
|
|
}
|
|
int lastPos = 0;
|
|
if (i > 0)
|
|
lastPos = positions[i-1];
|
|
while (i<len) {
|
|
positions[i++] = lastPos;
|
|
}
|
|
} else if (codePageText == 0) {
|
|
|
|
// One character per position
|
|
PLATFORM_ASSERT(len == tbuf.tlen);
|
|
for (size_t kk=0;kk<static_cast<size_t>(len);kk++) {
|
|
positions[kk] = poses.buffer[kk];
|
|
}
|
|
|
|
} else {
|
|
|
|
// May be more than one byte per position
|
|
int ui = 0;
|
|
for (int i=0;i<len;) {
|
|
if (Platform::IsDBCSLeadByte(codePageText, s[i])) {
|
|
positions[i] = poses.buffer[ui];
|
|
positions[i+1] = poses.buffer[ui];
|
|
i += 2;
|
|
} else {
|
|
positions[i] = poses.buffer[ui];
|
|
i++;
|
|
}
|
|
|
|
ui++;
|
|
}
|
|
}
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::WidthChar(Font &font_, char ch) {
|
|
FLOAT width = 1.0;
|
|
SetFont(font_);
|
|
if (pIDWriteFactory && pTextFormat) {
|
|
// Create a layout
|
|
IDWriteTextLayout *pTextLayout = 0;
|
|
const WCHAR wch = ch;
|
|
HRESULT hr = pIDWriteFactory->CreateTextLayout(&wch, 1, pTextFormat, 1000.0, 1000.0, &pTextLayout);
|
|
if (SUCCEEDED(hr)) {
|
|
DWRITE_TEXT_METRICS textMetrics;
|
|
if (SUCCEEDED(pTextLayout->GetMetrics(&textMetrics)))
|
|
width = textMetrics.widthIncludingTrailingWhitespace;
|
|
pTextLayout->Release();
|
|
}
|
|
}
|
|
return width;
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::Ascent(Font &font_) {
|
|
SetFont(font_);
|
|
return ceil(yAscent);
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::Descent(Font &font_) {
|
|
SetFont(font_);
|
|
return ceil(yDescent);
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::InternalLeading(Font &font_) {
|
|
SetFont(font_);
|
|
return floor(yInternalLeading);
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::ExternalLeading(Font &) {
|
|
// Not implemented, always return one
|
|
return 1;
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::Height(Font &font_) {
|
|
return Ascent(font_) + Descent(font_);
|
|
}
|
|
|
|
XYPOSITION SurfaceD2D::AverageCharWidth(Font &font_) {
|
|
FLOAT width = 1.0;
|
|
SetFont(font_);
|
|
if (pIDWriteFactory && pTextFormat) {
|
|
// Create a layout
|
|
IDWriteTextLayout *pTextLayout = 0;
|
|
const WCHAR wszAllAlpha[] = L"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|
HRESULT hr = pIDWriteFactory->CreateTextLayout(wszAllAlpha, static_cast<UINT32>(wcslen(wszAllAlpha)),
|
|
pTextFormat, 1000.0, 1000.0, &pTextLayout);
|
|
if (SUCCEEDED(hr)) {
|
|
DWRITE_TEXT_METRICS textMetrics;
|
|
if (SUCCEEDED(pTextLayout->GetMetrics(&textMetrics)))
|
|
width = textMetrics.width / wcslen(wszAllAlpha);
|
|
pTextLayout->Release();
|
|
}
|
|
}
|
|
return width;
|
|
}
|
|
|
|
void SurfaceD2D::SetClip(PRectangle rc) {
|
|
if (pRenderTarget) {
|
|
D2D1_RECT_F rcClip = {rc.left, rc.top, rc.right, rc.bottom};
|
|
pRenderTarget->PushAxisAlignedClip(rcClip, D2D1_ANTIALIAS_MODE_ALIASED);
|
|
clipsActive++;
|
|
}
|
|
}
|
|
|
|
void SurfaceD2D::FlushCachedState() {
|
|
}
|
|
|
|
void SurfaceD2D::SetUnicodeMode(bool unicodeMode_) {
|
|
unicodeMode=unicodeMode_;
|
|
}
|
|
|
|
void SurfaceD2D::SetDBCSMode(int codePage_) {
|
|
// No action on window as automatically handled by system.
|
|
codePage = codePage_;
|
|
}
|
|
#endif
|
|
|
|
Surface *Surface::Allocate(int technology) {
|
|
#if defined(USE_D2D)
|
|
if (technology == SCWIN_TECH_GDI)
|
|
return new SurfaceGDI;
|
|
else
|
|
return new SurfaceD2D;
|
|
#else
|
|
return new SurfaceGDI;
|
|
#endif
|
|
}
|
|
|
|
Window::~Window() {
|
|
}
|
|
|
|
void Window::Destroy() {
|
|
if (wid)
|
|
::DestroyWindow(reinterpret_cast<HWND>(wid));
|
|
wid = 0;
|
|
}
|
|
|
|
bool Window::HasFocus() {
|
|
return ::GetFocus() == wid;
|
|
}
|
|
|
|
PRectangle Window::GetPosition() {
|
|
RECT rc;
|
|
::GetWindowRect(reinterpret_cast<HWND>(wid), &rc);
|
|
return PRectangle(rc.left, rc.top, rc.right, rc.bottom);
|
|
}
|
|
|
|
void Window::SetPosition(PRectangle rc) {
|
|
::SetWindowPos(reinterpret_cast<HWND>(wid),
|
|
0, rc.left, rc.top, rc.Width(), rc.Height(), SWP_NOZORDER|SWP_NOACTIVATE);
|
|
}
|
|
|
|
static RECT RectFromMonitor(HMONITOR hMonitor) {
|
|
if (GetMonitorInfoFn) {
|
|
MONITORINFO mi = {0};
|
|
mi.cbSize = sizeof(mi);
|
|
if (GetMonitorInfoFn(hMonitor, &mi)) {
|
|
return mi.rcWork;
|
|
}
|
|
}
|
|
RECT rc = {0, 0, 0, 0};
|
|
if (::SystemParametersInfoA(SPI_GETWORKAREA, 0, &rc, 0) == 0) {
|
|
rc.left = 0;
|
|
rc.top = 0;
|
|
rc.right = 0;
|
|
rc.bottom = 0;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
void Window::SetPositionRelative(PRectangle rc, Window w) {
|
|
LONG style = ::GetWindowLong(reinterpret_cast<HWND>(wid), GWL_STYLE);
|
|
if (style & WS_POPUP) {
|
|
POINT ptOther = {0, 0};
|
|
::ClientToScreen(reinterpret_cast<HWND>(w.GetID()), &ptOther);
|
|
rc.Move(ptOther.x, ptOther.y);
|
|
|
|
RECT rcMonitor = RectFromPRectangle(rc);
|
|
|
|
HMONITOR hMonitor = NULL;
|
|
if (MonitorFromRectFn)
|
|
hMonitor = MonitorFromRectFn(&rcMonitor, MONITOR_DEFAULTTONEAREST);
|
|
// If hMonitor is NULL, that's just the main screen anyways.
|
|
//::GetMonitorInfo(hMonitor, &mi);
|
|
RECT rcWork = RectFromMonitor(hMonitor);
|
|
|
|
if (rcWork.left < rcWork.right) {
|
|
// Now clamp our desired rectangle to fit inside the work area
|
|
// This way, the menu will fit wholly on one screen. An improvement even
|
|
// if you don't have a second monitor on the left... Menu's appears half on
|
|
// one screen and half on the other are just U.G.L.Y.!
|
|
if (rc.right > rcWork.right)
|
|
rc.Move(rcWork.right - rc.right, 0);
|
|
if (rc.bottom > rcWork.bottom)
|
|
rc.Move(0, rcWork.bottom - rc.bottom);
|
|
if (rc.left < rcWork.left)
|
|
rc.Move(rcWork.left - rc.left, 0);
|
|
if (rc.top < rcWork.top)
|
|
rc.Move(0, rcWork.top - rc.top);
|
|
}
|
|
}
|
|
SetPosition(rc);
|
|
}
|
|
|
|
PRectangle Window::GetClientPosition() {
|
|
RECT rc={0,0,0,0};
|
|
if (wid)
|
|
::GetClientRect(reinterpret_cast<HWND>(wid), &rc);
|
|
return PRectangle(rc.left, rc.top, rc.right, rc.bottom);
|
|
}
|
|
|
|
void Window::Show(bool show) {
|
|
if (show)
|
|
::ShowWindow(reinterpret_cast<HWND>(wid), SW_SHOWNOACTIVATE);
|
|
else
|
|
::ShowWindow(reinterpret_cast<HWND>(wid), SW_HIDE);
|
|
}
|
|
|
|
void Window::InvalidateAll() {
|
|
::InvalidateRect(reinterpret_cast<HWND>(wid), NULL, FALSE);
|
|
}
|
|
|
|
void Window::InvalidateRectangle(PRectangle rc) {
|
|
RECT rcw = RectFromPRectangle(rc);
|
|
::InvalidateRect(reinterpret_cast<HWND>(wid), &rcw, FALSE);
|
|
}
|
|
|
|
static LRESULT Window_SendMessage(Window *w, UINT msg, WPARAM wParam=0, LPARAM lParam=0) {
|
|
return ::SendMessage(reinterpret_cast<HWND>(w->GetID()), msg, wParam, lParam);
|
|
}
|
|
|
|
void Window::SetFont(Font &font) {
|
|
Window_SendMessage(this, WM_SETFONT,
|
|
reinterpret_cast<WPARAM>(font.GetID()), 0);
|
|
}
|
|
|
|
static void FlipBitmap(HBITMAP bitmap, int width, int height) {
|
|
HDC hdc = ::CreateCompatibleDC(NULL);
|
|
if (hdc != NULL) {
|
|
HGDIOBJ prevBmp = ::SelectObject(hdc, bitmap);
|
|
::StretchBlt(hdc, width - 1, 0, -width, height, hdc, 0, 0, width, height, SRCCOPY);
|
|
::SelectObject(hdc, prevBmp);
|
|
::DeleteDC(hdc);
|
|
}
|
|
}
|
|
|
|
static HCURSOR GetReverseArrowCursor() {
|
|
if (reverseArrowCursor != NULL)
|
|
return reverseArrowCursor;
|
|
|
|
::EnterCriticalSection(&crPlatformLock);
|
|
HCURSOR cursor = reverseArrowCursor;
|
|
if (cursor == NULL) {
|
|
cursor = ::LoadCursor(NULL, IDC_ARROW);
|
|
ICONINFO info;
|
|
if (::GetIconInfo(cursor, &info)) {
|
|
BITMAP bmp;
|
|
if (::GetObject(info.hbmMask, sizeof(bmp), &bmp)) {
|
|
FlipBitmap(info.hbmMask, bmp.bmWidth, bmp.bmHeight);
|
|
if (info.hbmColor != NULL)
|
|
FlipBitmap(info.hbmColor, bmp.bmWidth, bmp.bmHeight);
|
|
info.xHotspot = (DWORD)bmp.bmWidth - 1 - info.xHotspot;
|
|
|
|
reverseArrowCursor = ::CreateIconIndirect(&info);
|
|
if (reverseArrowCursor != NULL)
|
|
cursor = reverseArrowCursor;
|
|
}
|
|
|
|
::DeleteObject(info.hbmMask);
|
|
if (info.hbmColor != NULL)
|
|
::DeleteObject(info.hbmColor);
|
|
}
|
|
}
|
|
::LeaveCriticalSection(&crPlatformLock);
|
|
return cursor;
|
|
}
|
|
|
|
void Window::SetCursor(Cursor curs) {
|
|
switch (curs) {
|
|
case cursorText:
|
|
::SetCursor(::LoadCursor(NULL,IDC_IBEAM));
|
|
break;
|
|
case cursorUp:
|
|
::SetCursor(::LoadCursor(NULL,IDC_UPARROW));
|
|
break;
|
|
case cursorWait:
|
|
::SetCursor(::LoadCursor(NULL,IDC_WAIT));
|
|
break;
|
|
case cursorHoriz:
|
|
::SetCursor(::LoadCursor(NULL,IDC_SIZEWE));
|
|
break;
|
|
case cursorVert:
|
|
::SetCursor(::LoadCursor(NULL,IDC_SIZENS));
|
|
break;
|
|
case cursorHand:
|
|
::SetCursor(::LoadCursor(NULL,IDC_HAND));
|
|
break;
|
|
case cursorReverseArrow:
|
|
::SetCursor(GetReverseArrowCursor());
|
|
break;
|
|
case cursorArrow:
|
|
case cursorInvalid: // Should not occur, but just in case.
|
|
::SetCursor(::LoadCursor(NULL,IDC_ARROW));
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Window::SetTitle(const char *s) {
|
|
::SetWindowTextA(reinterpret_cast<HWND>(wid), s);
|
|
}
|
|
|
|
/* Returns rectangle of monitor pt is on, both rect and pt are in Window's
|
|
coordinates */
|
|
PRectangle Window::GetMonitorRect(Point pt) {
|
|
// MonitorFromPoint and GetMonitorInfo are not available on Windows 95 and NT 4.
|
|
PRectangle rcPosition = GetPosition();
|
|
POINT ptDesktop = {static_cast<LONG>(pt.x + rcPosition.left),
|
|
static_cast<LONG>(pt.y + rcPosition.top)};
|
|
HMONITOR hMonitor = NULL;
|
|
if (MonitorFromPointFn)
|
|
hMonitor = MonitorFromPointFn(ptDesktop, MONITOR_DEFAULTTONEAREST);
|
|
|
|
RECT rcWork = RectFromMonitor(hMonitor);
|
|
if (rcWork.left < rcWork.right) {
|
|
PRectangle rcMonitor(
|
|
rcWork.left - rcPosition.left,
|
|
rcWork.top - rcPosition.top,
|
|
rcWork.right - rcPosition.left,
|
|
rcWork.bottom - rcPosition.top);
|
|
return rcMonitor;
|
|
} else {
|
|
return PRectangle();
|
|
}
|
|
}
|
|
|
|
struct ListItemData {
|
|
const char *text;
|
|
int pixId;
|
|
};
|
|
|
|
class LineToItem {
|
|
std::vector<char> words;
|
|
|
|
std::vector<ListItemData> data;
|
|
|
|
public:
|
|
LineToItem() {
|
|
}
|
|
~LineToItem() {
|
|
Clear();
|
|
}
|
|
void Clear() {
|
|
words.clear();
|
|
data.clear();
|
|
}
|
|
|
|
ListItemData Get(int index) const {
|
|
if (index >= 0 && index < static_cast<int>(data.size())) {
|
|
return data[index];
|
|
} else {
|
|
ListItemData missing = {"", -1};
|
|
return missing;
|
|
}
|
|
}
|
|
int Count() const {
|
|
return static_cast<int>(data.size());
|
|
}
|
|
|
|
void AllocItem(const char *text, int pixId) {
|
|
ListItemData lid = { text, pixId };
|
|
data.push_back(lid);
|
|
}
|
|
|
|
char *SetWords(const char *s) {
|
|
words = std::vector<char>(s, s+strlen(s)+1);
|
|
return &words[0];
|
|
}
|
|
};
|
|
|
|
const TCHAR ListBoxX_ClassName[] = TEXT("ListBoxX");
|
|
|
|
ListBox::ListBox() {
|
|
}
|
|
|
|
ListBox::~ListBox() {
|
|
}
|
|
|
|
class ListBoxX : public ListBox {
|
|
int lineHeight;
|
|
FontID fontCopy;
|
|
int technology;
|
|
RGBAImageSet images;
|
|
LineToItem lti;
|
|
HWND lb;
|
|
bool unicodeMode;
|
|
int desiredVisibleRows;
|
|
unsigned int maxItemCharacters;
|
|
unsigned int aveCharWidth;
|
|
Window *parent;
|
|
int ctrlID;
|
|
CallBackAction doubleClickAction;
|
|
void *doubleClickActionData;
|
|
const char *widestItem;
|
|
unsigned int maxCharWidth;
|
|
int resizeHit;
|
|
PRectangle rcPreSize;
|
|
Point dragOffset;
|
|
Point location; // Caret location at which the list is opened
|
|
int wheelDelta; // mouse wheel residue
|
|
|
|
HWND GetHWND() const;
|
|
void AppendListItem(const char *text, const char *numword);
|
|
static void AdjustWindowRect(PRectangle *rc);
|
|
int ItemHeight() const;
|
|
int MinClientWidth() const;
|
|
int TextOffset() const;
|
|
Point GetClientExtent() const;
|
|
POINT MinTrackSize() const;
|
|
POINT MaxTrackSize() const;
|
|
void SetRedraw(bool on);
|
|
void OnDoubleClick();
|
|
void ResizeToCursor();
|
|
void StartResize(WPARAM);
|
|
int NcHitTest(WPARAM, LPARAM) const;
|
|
void CentreItem(int);
|
|
void Paint(HDC);
|
|
static LRESULT PASCAL ControlWndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam);
|
|
|
|
static const Point ItemInset; // Padding around whole item
|
|
static const Point TextInset; // Padding around text
|
|
static const Point ImageInset; // Padding around image
|
|
|
|
public:
|
|
ListBoxX() : lineHeight(10), fontCopy(0), technology(0), lb(0), unicodeMode(false),
|
|
desiredVisibleRows(5), maxItemCharacters(0), aveCharWidth(8),
|
|
parent(NULL), ctrlID(0), doubleClickAction(NULL), doubleClickActionData(NULL),
|
|
widestItem(NULL), maxCharWidth(1), resizeHit(0), wheelDelta(0) {
|
|
}
|
|
virtual ~ListBoxX() {
|
|
if (fontCopy) {
|
|
::DeleteObject(fontCopy);
|
|
fontCopy = 0;
|
|
}
|
|
}
|
|
virtual void SetFont(Font &font);
|
|
virtual void Create(Window &parent, int ctrlID, Point location_, int lineHeight_, bool unicodeMode_, int technology_);
|
|
virtual void SetAverageCharWidth(int width);
|
|
virtual void SetVisibleRows(int rows);
|
|
virtual int GetVisibleRows() const;
|
|
virtual PRectangle GetDesiredRect();
|
|
virtual int CaretFromEdge();
|
|
virtual void Clear();
|
|
virtual void Append(char *s, int type = -1);
|
|
virtual int Length();
|
|
virtual void Select(int n);
|
|
virtual int GetSelection();
|
|
virtual int Find(const char *prefix);
|
|
virtual void GetValue(int n, char *value, int len);
|
|
virtual void RegisterImage(int type, const char *xpm_data);
|
|
virtual void RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage);
|
|
virtual void ClearRegisteredImages();
|
|
virtual void SetDoubleClickAction(CallBackAction action, void *data) {
|
|
doubleClickAction = action;
|
|
doubleClickActionData = data;
|
|
}
|
|
virtual void SetList(const char *list, char separator, char typesep);
|
|
void Draw(DRAWITEMSTRUCT *pDrawItem);
|
|
LRESULT WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam);
|
|
static LRESULT PASCAL StaticWndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam);
|
|
};
|
|
|
|
const Point ListBoxX::ItemInset(0, 0);
|
|
const Point ListBoxX::TextInset(2, 0);
|
|
const Point ListBoxX::ImageInset(1, 0);
|
|
|
|
ListBox *ListBox::Allocate() {
|
|
ListBoxX *lb = new ListBoxX();
|
|
return lb;
|
|
}
|
|
|
|
void ListBoxX::Create(Window &parent_, int ctrlID_, Point location_, int lineHeight_, bool unicodeMode_, int technology_) {
|
|
parent = &parent_;
|
|
ctrlID = ctrlID_;
|
|
location = location_;
|
|
lineHeight = lineHeight_;
|
|
unicodeMode = unicodeMode_;
|
|
technology = technology_;
|
|
HWND hwndParent = reinterpret_cast<HWND>(parent->GetID());
|
|
HINSTANCE hinstanceParent = GetWindowInstance(hwndParent);
|
|
// Window created as popup so not clipped within parent client area
|
|
wid = ::CreateWindowEx(
|
|
WS_EX_WINDOWEDGE, ListBoxX_ClassName, TEXT(""),
|
|
WS_POPUP | WS_THICKFRAME,
|
|
100,100, 150,80, hwndParent,
|
|
NULL,
|
|
hinstanceParent,
|
|
this);
|
|
|
|
POINT locationw = {static_cast<LONG>(location.x), static_cast<LONG>(location.y)};
|
|
::MapWindowPoints(hwndParent, NULL, &locationw, 1);
|
|
location = Point(locationw.x, locationw.y);
|
|
}
|
|
|
|
void ListBoxX::SetFont(Font &font) {
|
|
if (font.GetID()) {
|
|
if (fontCopy) {
|
|
::DeleteObject(fontCopy);
|
|
fontCopy = 0;
|
|
}
|
|
FormatAndMetrics *pfm = reinterpret_cast<FormatAndMetrics *>(font.GetID());
|
|
fontCopy = pfm->HFont();
|
|
::SendMessage(lb, WM_SETFONT, reinterpret_cast<WPARAM>(fontCopy), 0);
|
|
}
|
|
}
|
|
|
|
void ListBoxX::SetAverageCharWidth(int width) {
|
|
aveCharWidth = width;
|
|
}
|
|
|
|
void ListBoxX::SetVisibleRows(int rows) {
|
|
desiredVisibleRows = rows;
|
|
}
|
|
|
|
int ListBoxX::GetVisibleRows() const {
|
|
return desiredVisibleRows;
|
|
}
|
|
|
|
HWND ListBoxX::GetHWND() const {
|
|
return reinterpret_cast<HWND>(GetID());
|
|
}
|
|
|
|
PRectangle ListBoxX::GetDesiredRect() {
|
|
PRectangle rcDesired = GetPosition();
|
|
|
|
int rows = Length();
|
|
if ((rows == 0) || (rows > desiredVisibleRows))
|
|
rows = desiredVisibleRows;
|
|
rcDesired.bottom = rcDesired.top + ItemHeight() * rows;
|
|
|
|
int width = MinClientWidth();
|
|
HDC hdc = ::GetDC(lb);
|
|
HFONT oldFont = SelectFont(hdc, fontCopy);
|
|
SIZE textSize = {0, 0};
|
|
int len = static_cast<int>(widestItem ? strlen(widestItem) : 0);
|
|
if (unicodeMode) {
|
|
const TextWide tbuf(widestItem, len, unicodeMode);
|
|
::GetTextExtentPoint32W(hdc, tbuf.buffer, tbuf.tlen, &textSize);
|
|
} else {
|
|
::GetTextExtentPoint32A(hdc, widestItem, len, &textSize);
|
|
}
|
|
TEXTMETRIC tm;
|
|
::GetTextMetrics(hdc, &tm);
|
|
maxCharWidth = tm.tmMaxCharWidth;
|
|
SelectFont(hdc, oldFont);
|
|
::ReleaseDC(lb, hdc);
|
|
|
|
int widthDesired = Platform::Maximum(textSize.cx, (len + 1) * tm.tmAveCharWidth);
|
|
if (width < widthDesired)
|
|
width = widthDesired;
|
|
|
|
rcDesired.right = rcDesired.left + TextOffset() + width + (TextInset.x * 2);
|
|
if (Length() > rows)
|
|
rcDesired.right += ::GetSystemMetrics(SM_CXVSCROLL);
|
|
|
|
AdjustWindowRect(&rcDesired);
|
|
return rcDesired;
|
|
}
|
|
|
|
int ListBoxX::TextOffset() const {
|
|
int pixWidth = images.GetWidth();
|
|
return pixWidth == 0 ? ItemInset.x : ItemInset.x + pixWidth + (ImageInset.x * 2);
|
|
}
|
|
|
|
int ListBoxX::CaretFromEdge() {
|
|
PRectangle rc;
|
|
AdjustWindowRect(&rc);
|
|
return TextOffset() + TextInset.x + (0 - rc.left) - 1;
|
|
}
|
|
|
|
void ListBoxX::Clear() {
|
|
::SendMessage(lb, LB_RESETCONTENT, 0, 0);
|
|
maxItemCharacters = 0;
|
|
widestItem = NULL;
|
|
lti.Clear();
|
|
}
|
|
|
|
void ListBoxX::Append(char *, int) {
|
|
// This method is no longer called in Scintilla
|
|
PLATFORM_ASSERT(false);
|
|
}
|
|
|
|
int ListBoxX::Length() {
|
|
return lti.Count();
|
|
}
|
|
|
|
void ListBoxX::Select(int n) {
|
|
// We are going to scroll to centre on the new selection and then select it, so disable
|
|
// redraw to avoid flicker caused by a painting new selection twice in unselected and then
|
|
// selected states
|
|
SetRedraw(false);
|
|
CentreItem(n);
|
|
::SendMessage(lb, LB_SETCURSEL, n, 0);
|
|
SetRedraw(true);
|
|
}
|
|
|
|
int ListBoxX::GetSelection() {
|
|
return ::SendMessage(lb, LB_GETCURSEL, 0, 0);
|
|
}
|
|
|
|
// This is not actually called at present
|
|
int ListBoxX::Find(const char *) {
|
|
return LB_ERR;
|
|
}
|
|
|
|
void ListBoxX::GetValue(int n, char *value, int len) {
|
|
ListItemData item = lti.Get(n);
|
|
strncpy(value, item.text, len);
|
|
value[len-1] = '\0';
|
|
}
|
|
|
|
void ListBoxX::RegisterImage(int type, const char *xpm_data) {
|
|
XPM xpmImage(xpm_data);
|
|
images.Add(type, new RGBAImage(xpmImage));
|
|
}
|
|
|
|
void ListBoxX::RegisterRGBAImage(int type, int width, int height, const unsigned char *pixelsImage) {
|
|
images.Add(type, new RGBAImage(width, height, 1.0, pixelsImage));
|
|
}
|
|
|
|
void ListBoxX::ClearRegisteredImages() {
|
|
images.Clear();
|
|
}
|
|
|
|
void ListBoxX::Draw(DRAWITEMSTRUCT *pDrawItem) {
|
|
if ((pDrawItem->itemAction == ODA_SELECT) || (pDrawItem->itemAction == ODA_DRAWENTIRE)) {
|
|
RECT rcBox = pDrawItem->rcItem;
|
|
rcBox.left += TextOffset();
|
|
if (pDrawItem->itemState & ODS_SELECTED) {
|
|
RECT rcImage = pDrawItem->rcItem;
|
|
rcImage.right = rcBox.left;
|
|
// The image is not highlighted
|
|
::FillRect(pDrawItem->hDC, &rcImage, reinterpret_cast<HBRUSH>(COLOR_WINDOW+1));
|
|
::FillRect(pDrawItem->hDC, &rcBox, reinterpret_cast<HBRUSH>(COLOR_HIGHLIGHT+1));
|
|
::SetBkColor(pDrawItem->hDC, ::GetSysColor(COLOR_HIGHLIGHT));
|
|
::SetTextColor(pDrawItem->hDC, ::GetSysColor(COLOR_HIGHLIGHTTEXT));
|
|
} else {
|
|
::FillRect(pDrawItem->hDC, &pDrawItem->rcItem, reinterpret_cast<HBRUSH>(COLOR_WINDOW+1));
|
|
::SetBkColor(pDrawItem->hDC, ::GetSysColor(COLOR_WINDOW));
|
|
::SetTextColor(pDrawItem->hDC, ::GetSysColor(COLOR_WINDOWTEXT));
|
|
}
|
|
|
|
ListItemData item = lti.Get(pDrawItem->itemID);
|
|
int pixId = item.pixId;
|
|
const char *text = item.text;
|
|
int len = static_cast<int>(strlen(text));
|
|
|
|
RECT rcText = rcBox;
|
|
::InsetRect(&rcText, TextInset.x, TextInset.y);
|
|
|
|
if (unicodeMode) {
|
|
const TextWide tbuf(text, len, unicodeMode);
|
|
::DrawTextW(pDrawItem->hDC, tbuf.buffer, tbuf.tlen, &rcText, DT_NOPREFIX|DT_END_ELLIPSIS|DT_SINGLELINE|DT_NOCLIP);
|
|
} else {
|
|
::DrawTextA(pDrawItem->hDC, text, len, &rcText, DT_NOPREFIX|DT_END_ELLIPSIS|DT_SINGLELINE|DT_NOCLIP);
|
|
}
|
|
if (pDrawItem->itemState & ODS_SELECTED) {
|
|
::DrawFocusRect(pDrawItem->hDC, &rcBox);
|
|
}
|
|
|
|
// Draw the image, if any
|
|
RGBAImage *pimage = images.Get(pixId);
|
|
if (pimage) {
|
|
Surface *surfaceItem = Surface::Allocate(technology);
|
|
if (surfaceItem) {
|
|
if (technology == SCWIN_TECH_GDI) {
|
|
surfaceItem->Init(pDrawItem->hDC, pDrawItem->hwndItem);
|
|
int left = pDrawItem->rcItem.left + ItemInset.x + ImageInset.x;
|
|
PRectangle rcImage(left, pDrawItem->rcItem.top,
|
|
left + images.GetWidth(), pDrawItem->rcItem.bottom);
|
|
surfaceItem->DrawRGBAImage(rcImage,
|
|
pimage->GetWidth(), pimage->GetHeight(), pimage->Pixels());
|
|
delete surfaceItem;
|
|
::SetTextAlign(pDrawItem->hDC, TA_TOP);
|
|
} else {
|
|
#if defined(USE_D2D)
|
|
D2D1_RENDER_TARGET_PROPERTIES props = D2D1::RenderTargetProperties(
|
|
D2D1_RENDER_TARGET_TYPE_DEFAULT,
|
|
D2D1::PixelFormat(
|
|
DXGI_FORMAT_B8G8R8A8_UNORM,
|
|
D2D1_ALPHA_MODE_IGNORE),
|
|
0,
|
|
0,
|
|
D2D1_RENDER_TARGET_USAGE_NONE,
|
|
D2D1_FEATURE_LEVEL_DEFAULT
|
|
);
|
|
ID2D1DCRenderTarget *pDCRT = 0;
|
|
HRESULT hr = pD2DFactory->CreateDCRenderTarget(&props, &pDCRT);
|
|
if (SUCCEEDED(hr)) {
|
|
RECT rcWindow;
|
|
GetClientRect(pDrawItem->hwndItem, &rcWindow);
|
|
hr = pDCRT->BindDC(pDrawItem->hDC, &rcWindow);
|
|
if (SUCCEEDED(hr)) {
|
|
surfaceItem->Init(pDCRT, pDrawItem->hwndItem);
|
|
pDCRT->BeginDraw();
|
|
int left = pDrawItem->rcItem.left + ItemInset.x + ImageInset.x;
|
|
PRectangle rcImage(left, pDrawItem->rcItem.top,
|
|
left + images.GetWidth(), pDrawItem->rcItem.bottom);
|
|
surfaceItem->DrawRGBAImage(rcImage,
|
|
pimage->GetWidth(), pimage->GetHeight(), pimage->Pixels());
|
|
delete surfaceItem;
|
|
pDCRT->EndDraw();
|
|
pDCRT->Release();
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ListBoxX::AppendListItem(const char *text, const char *numword) {
|
|
int pixId = -1;
|
|
if (numword) {
|
|
pixId = 0;
|
|
char ch;
|
|
while ((ch = *++numword) != '\0') {
|
|
pixId = 10 * pixId + (ch - '0');
|
|
}
|
|
}
|
|
|
|
lti.AllocItem(text, pixId);
|
|
unsigned int len = static_cast<unsigned int>(strlen(text));
|
|
if (maxItemCharacters < len) {
|
|
maxItemCharacters = len;
|
|
widestItem = text;
|
|
}
|
|
}
|
|
|
|
void ListBoxX::SetList(const char *list, char separator, char typesep) {
|
|
// Turn off redraw while populating the list - this has a significant effect, even if
|
|
// the listbox is not visible.
|
|
SetRedraw(false);
|
|
Clear();
|
|
size_t size = strlen(list);
|
|
char *words = lti.SetWords(list);
|
|
char *startword = words;
|
|
char *numword = NULL;
|
|
for (size_t i=0; i < size; i++) {
|
|
if (words[i] == separator) {
|
|
words[i] = '\0';
|
|
if (numword)
|
|
*numword = '\0';
|
|
AppendListItem(startword, numword);
|
|
startword = words + i + 1;
|
|
numword = NULL;
|
|
} else if (words[i] == typesep) {
|
|
numword = words + i;
|
|
}
|
|
}
|
|
if (startword) {
|
|
if (numword)
|
|
*numword = '\0';
|
|
AppendListItem(startword, numword);
|
|
}
|
|
|
|
// Finally populate the listbox itself with the correct number of items
|
|
int count = lti.Count();
|
|
::SendMessage(lb, LB_INITSTORAGE, count, 0);
|
|
for (int j=0; j<count; j++) {
|
|
::SendMessage(lb, LB_ADDSTRING, 0, j+1);
|
|
}
|
|
SetRedraw(true);
|
|
}
|
|
|
|
void ListBoxX::AdjustWindowRect(PRectangle *rc) {
|
|
RECT rcw = RectFromPRectangle(*rc);
|
|
::AdjustWindowRectEx(&rcw, WS_THICKFRAME, false, WS_EX_WINDOWEDGE);
|
|
*rc = PRectangle(rcw.left, rcw.top, rcw.right, rcw.bottom);
|
|
}
|
|
|
|
int ListBoxX::ItemHeight() const {
|
|
int itemHeight = lineHeight + (TextInset.y * 2);
|
|
int pixHeight = images.GetHeight() + (ImageInset.y * 2);
|
|
if (itemHeight < pixHeight) {
|
|
itemHeight = pixHeight;
|
|
}
|
|
return itemHeight;
|
|
}
|
|
|
|
int ListBoxX::MinClientWidth() const {
|
|
return 12 * (aveCharWidth+aveCharWidth/3);
|
|
}
|
|
|
|
POINT ListBoxX::MinTrackSize() const {
|
|
PRectangle rc(0, 0, MinClientWidth(), ItemHeight());
|
|
AdjustWindowRect(&rc);
|
|
POINT ret = {static_cast<LONG>(rc.Width()), static_cast<LONG>(rc.Height())};
|
|
return ret;
|
|
}
|
|
|
|
POINT ListBoxX::MaxTrackSize() const {
|
|
PRectangle rc(0, 0,
|
|
maxCharWidth * maxItemCharacters + TextInset.x * 2 +
|
|
TextOffset() + ::GetSystemMetrics(SM_CXVSCROLL),
|
|
ItemHeight() * lti.Count());
|
|
AdjustWindowRect(&rc);
|
|
POINT ret = {static_cast<LONG>(rc.Width()), static_cast<LONG>(rc.Height())};
|
|
return ret;
|
|
}
|
|
|
|
void ListBoxX::SetRedraw(bool on) {
|
|
::SendMessage(lb, WM_SETREDRAW, static_cast<BOOL>(on), 0);
|
|
if (on)
|
|
::InvalidateRect(lb, NULL, TRUE);
|
|
}
|
|
|
|
void ListBoxX::ResizeToCursor() {
|
|
PRectangle rc = GetPosition();
|
|
POINT ptw;
|
|
::GetCursorPos(&ptw);
|
|
Point pt(ptw.x, ptw.y);
|
|
pt.x += dragOffset.x;
|
|
pt.y += dragOffset.y;
|
|
|
|
switch (resizeHit) {
|
|
case HTLEFT:
|
|
rc.left = pt.x;
|
|
break;
|
|
case HTRIGHT:
|
|
rc.right = pt.x;
|
|
break;
|
|
case HTTOP:
|
|
rc.top = pt.y;
|
|
break;
|
|
case HTTOPLEFT:
|
|
rc.top = pt.y;
|
|
rc.left = pt.x;
|
|
break;
|
|
case HTTOPRIGHT:
|
|
rc.top = pt.y;
|
|
rc.right = pt.x;
|
|
break;
|
|
case HTBOTTOM:
|
|
rc.bottom = pt.y;
|
|
break;
|
|
case HTBOTTOMLEFT:
|
|
rc.bottom = pt.y;
|
|
rc.left = pt.x;
|
|
break;
|
|
case HTBOTTOMRIGHT:
|
|
rc.bottom = pt.y;
|
|
rc.right = pt.x;
|
|
break;
|
|
}
|
|
|
|
POINT ptMin = MinTrackSize();
|
|
POINT ptMax = MaxTrackSize();
|
|
// We don't allow the left edge to move at present, but just in case
|
|
rc.left = Platform::Maximum(Platform::Minimum(rc.left, rcPreSize.right - ptMin.x), rcPreSize.right - ptMax.x);
|
|
rc.top = Platform::Maximum(Platform::Minimum(rc.top, rcPreSize.bottom - ptMin.y), rcPreSize.bottom - ptMax.y);
|
|
rc.right = Platform::Maximum(Platform::Minimum(rc.right, rcPreSize.left + ptMax.x), rcPreSize.left + ptMin.x);
|
|
rc.bottom = Platform::Maximum(Platform::Minimum(rc.bottom, rcPreSize.top + ptMax.y), rcPreSize.top + ptMin.y);
|
|
|
|
SetPosition(rc);
|
|
}
|
|
|
|
void ListBoxX::StartResize(WPARAM hitCode) {
|
|
rcPreSize = GetPosition();
|
|
POINT cursorPos;
|
|
::GetCursorPos(&cursorPos);
|
|
|
|
switch (hitCode) {
|
|
case HTRIGHT:
|
|
case HTBOTTOM:
|
|
case HTBOTTOMRIGHT:
|
|
dragOffset.x = rcPreSize.right - cursorPos.x;
|
|
dragOffset.y = rcPreSize.bottom - cursorPos.y;
|
|
break;
|
|
|
|
case HTTOPRIGHT:
|
|
dragOffset.x = rcPreSize.right - cursorPos.x;
|
|
dragOffset.y = rcPreSize.top - cursorPos.y;
|
|
break;
|
|
|
|
// Note that the current hit test code prevents the left edge cases ever firing
|
|
// as we don't want the left edge to be moveable
|
|
case HTLEFT:
|
|
case HTTOP:
|
|
case HTTOPLEFT:
|
|
dragOffset.x = rcPreSize.left - cursorPos.x;
|
|
dragOffset.y = rcPreSize.top - cursorPos.y;
|
|
break;
|
|
case HTBOTTOMLEFT:
|
|
dragOffset.x = rcPreSize.left - cursorPos.x;
|
|
dragOffset.y = rcPreSize.bottom - cursorPos.y;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
::SetCapture(GetHWND());
|
|
resizeHit = hitCode;
|
|
}
|
|
|
|
int ListBoxX::NcHitTest(WPARAM wParam, LPARAM lParam) const {
|
|
int hit = ::DefWindowProc(GetHWND(), WM_NCHITTEST, wParam, lParam);
|
|
// There is an apparent bug in the DefWindowProc hit test code whereby it will
|
|
// return HTTOPXXX if the window in question is shorter than the default
|
|
// window caption height + frame, even if one is hovering over the bottom edge of
|
|
// the frame, so workaround that here
|
|
if (hit >= HTTOP && hit <= HTTOPRIGHT) {
|
|
int minHeight = GetSystemMetrics(SM_CYMINTRACK);
|
|
PRectangle rc = const_cast<ListBoxX*>(this)->GetPosition();
|
|
int yPos = GET_Y_LPARAM(lParam);
|
|
if ((rc.Height() < minHeight) && (yPos > ((rc.top + rc.bottom)/2))) {
|
|
hit += HTBOTTOM - HTTOP;
|
|
}
|
|
}
|
|
|
|
// Nerver permit resizing that moves the left edge. Allow movement of top or bottom edge
|
|
// depending on whether the list is above or below the caret
|
|
switch (hit) {
|
|
case HTLEFT:
|
|
case HTTOPLEFT:
|
|
case HTBOTTOMLEFT:
|
|
hit = HTERROR;
|
|
break;
|
|
|
|
case HTTOP:
|
|
case HTTOPRIGHT: {
|
|
PRectangle rc = const_cast<ListBoxX*>(this)->GetPosition();
|
|
// Valid only if caret below list
|
|
if (location.y < rc.top)
|
|
hit = HTERROR;
|
|
}
|
|
break;
|
|
|
|
case HTBOTTOM:
|
|
case HTBOTTOMRIGHT: {
|
|
PRectangle rc = const_cast<ListBoxX*>(this)->GetPosition();
|
|
// Valid only if caret above list
|
|
if (rc.bottom < location.y)
|
|
hit = HTERROR;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return hit;
|
|
}
|
|
|
|
void ListBoxX::OnDoubleClick() {
|
|
|
|
if (doubleClickAction != NULL) {
|
|
doubleClickAction(doubleClickActionData);
|
|
}
|
|
}
|
|
|
|
Point ListBoxX::GetClientExtent() const {
|
|
PRectangle rc = const_cast<ListBoxX*>(this)->GetClientPosition();
|
|
return Point(rc.Width(), rc.Height());
|
|
}
|
|
|
|
void ListBoxX::CentreItem(int n) {
|
|
// If below mid point, scroll up to centre, but with more items below if uneven
|
|
if (n >= 0) {
|
|
Point extent = GetClientExtent();
|
|
int visible = extent.y/ItemHeight();
|
|
if (visible < Length()) {
|
|
int top = ::SendMessage(lb, LB_GETTOPINDEX, 0, 0);
|
|
int half = (visible - 1) / 2;
|
|
if (n > (top + half))
|
|
::SendMessage(lb, LB_SETTOPINDEX, n - half , 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Performs a double-buffered paint operation to avoid flicker
|
|
void ListBoxX::Paint(HDC hDC) {
|
|
Point extent = GetClientExtent();
|
|
HBITMAP hBitmap = ::CreateCompatibleBitmap(hDC, extent.x, extent.y);
|
|
HDC bitmapDC = ::CreateCompatibleDC(hDC);
|
|
HBITMAP hBitmapOld = SelectBitmap(bitmapDC, hBitmap);
|
|
// The list background is mainly erased during painting, but can be a small
|
|
// unpainted area when at the end of a non-integrally sized list with a
|
|
// vertical scroll bar
|
|
RECT rc = { 0, 0, static_cast<LONG>(extent.x), static_cast<LONG>(extent.y) };
|
|
::FillRect(bitmapDC, &rc, reinterpret_cast<HBRUSH>(COLOR_WINDOW+1));
|
|
// Paint the entire client area and vertical scrollbar
|
|
::SendMessage(lb, WM_PRINT, reinterpret_cast<WPARAM>(bitmapDC), PRF_CLIENT|PRF_NONCLIENT);
|
|
::BitBlt(hDC, 0, 0, extent.x, extent.y, bitmapDC, 0, 0, SRCCOPY);
|
|
// Select a stock brush to prevent warnings from BoundsChecker
|
|
::SelectObject(bitmapDC, GetStockFont(WHITE_BRUSH));
|
|
SelectBitmap(bitmapDC, hBitmapOld);
|
|
::DeleteDC(bitmapDC);
|
|
::DeleteObject(hBitmap);
|
|
}
|
|
|
|
LRESULT PASCAL ListBoxX::ControlWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
|
|
try {
|
|
switch (uMsg) {
|
|
case WM_ERASEBKGND:
|
|
return TRUE;
|
|
|
|
case WM_PAINT: {
|
|
PAINTSTRUCT ps;
|
|
HDC hDC = ::BeginPaint(hWnd, &ps);
|
|
ListBoxX *lbx = reinterpret_cast<ListBoxX *>(PointerFromWindow(::GetParent(hWnd)));
|
|
if (lbx)
|
|
lbx->Paint(hDC);
|
|
::EndPaint(hWnd, &ps);
|
|
}
|
|
return 0;
|
|
|
|
case WM_MOUSEACTIVATE:
|
|
// This prevents the view activating when the scrollbar is clicked
|
|
return MA_NOACTIVATE;
|
|
|
|
case WM_LBUTTONDOWN: {
|
|
// We must take control of selection to prevent the ListBox activating
|
|
// the popup
|
|
LRESULT lResult = ::SendMessage(hWnd, LB_ITEMFROMPOINT, 0, lParam);
|
|
int item = LOWORD(lResult);
|
|
if (HIWORD(lResult) == 0 && item >= 0) {
|
|
::SendMessage(hWnd, LB_SETCURSEL, item, 0);
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
case WM_LBUTTONUP:
|
|
return 0;
|
|
|
|
case WM_LBUTTONDBLCLK: {
|
|
ListBoxX *lbx = reinterpret_cast<ListBoxX *>(PointerFromWindow(::GetParent(hWnd)));
|
|
if (lbx) {
|
|
lbx->OnDoubleClick();
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
case WM_MBUTTONDOWN:
|
|
// disable the scroll wheel button click action
|
|
return 0;
|
|
}
|
|
|
|
WNDPROC prevWndProc = reinterpret_cast<WNDPROC>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
|
|
if (prevWndProc) {
|
|
return ::CallWindowProc(prevWndProc, hWnd, uMsg, wParam, lParam);
|
|
} else {
|
|
return ::DefWindowProc(hWnd, uMsg, wParam, lParam);
|
|
}
|
|
} catch (...) {
|
|
}
|
|
return ::DefWindowProc(hWnd, uMsg, wParam, lParam);
|
|
}
|
|
|
|
LRESULT ListBoxX::WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam) {
|
|
switch (iMessage) {
|
|
case WM_CREATE: {
|
|
HINSTANCE hinstanceParent = GetWindowInstance(reinterpret_cast<HWND>(parent->GetID()));
|
|
// Note that LBS_NOINTEGRALHEIGHT is specified to fix cosmetic issue when resizing the list
|
|
// but has useful side effect of speeding up list population significantly
|
|
lb = ::CreateWindowEx(
|
|
0, TEXT("listbox"), TEXT(""),
|
|
WS_CHILD | WS_VSCROLL | WS_VISIBLE |
|
|
LBS_OWNERDRAWFIXED | LBS_NODATA | LBS_NOINTEGRALHEIGHT,
|
|
0, 0, 150,80, hWnd,
|
|
reinterpret_cast<HMENU>(ctrlID),
|
|
hinstanceParent,
|
|
0);
|
|
WNDPROC prevWndProc = reinterpret_cast<WNDPROC>(::SetWindowLongPtr(lb, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(ControlWndProc)));
|
|
::SetWindowLongPtr(lb, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(prevWndProc));
|
|
}
|
|
break;
|
|
|
|
case WM_SIZE:
|
|
if (lb) {
|
|
SetRedraw(false);
|
|
::SetWindowPos(lb, 0, 0,0, LOWORD(lParam), HIWORD(lParam), SWP_NOZORDER|SWP_NOACTIVATE|SWP_NOMOVE);
|
|
// Ensure the selection remains visible
|
|
CentreItem(GetSelection());
|
|
SetRedraw(true);
|
|
}
|
|
break;
|
|
|
|
case WM_PAINT: {
|
|
PAINTSTRUCT ps;
|
|
::BeginPaint(hWnd, &ps);
|
|
::EndPaint(hWnd, &ps);
|
|
}
|
|
break;
|
|
|
|
case WM_COMMAND:
|
|
// This is not actually needed now - the registered double click action is used
|
|
// directly to action a choice from the list.
|
|
::SendMessage(reinterpret_cast<HWND>(parent->GetID()), iMessage, wParam, lParam);
|
|
break;
|
|
|
|
case WM_MEASUREITEM: {
|
|
MEASUREITEMSTRUCT *pMeasureItem = reinterpret_cast<MEASUREITEMSTRUCT *>(lParam);
|
|
pMeasureItem->itemHeight = static_cast<unsigned int>(ItemHeight());
|
|
}
|
|
break;
|
|
|
|
case WM_DRAWITEM:
|
|
Draw(reinterpret_cast<DRAWITEMSTRUCT *>(lParam));
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
lb = 0;
|
|
::SetWindowLong(hWnd, 0, 0);
|
|
return ::DefWindowProc(hWnd, iMessage, wParam, lParam);
|
|
|
|
case WM_ERASEBKGND:
|
|
// To reduce flicker we can elide background erasure since this window is
|
|
// completely covered by its child.
|
|
return TRUE;
|
|
|
|
case WM_GETMINMAXINFO: {
|
|
MINMAXINFO *minMax = reinterpret_cast<MINMAXINFO*>(lParam);
|
|
minMax->ptMaxTrackSize = MaxTrackSize();
|
|
minMax->ptMinTrackSize = MinTrackSize();
|
|
}
|
|
break;
|
|
|
|
case WM_MOUSEACTIVATE:
|
|
return MA_NOACTIVATE;
|
|
|
|
case WM_NCHITTEST:
|
|
return NcHitTest(wParam, lParam);
|
|
|
|
case WM_NCLBUTTONDOWN:
|
|
// We have to implement our own window resizing because the DefWindowProc
|
|
// implementation insists on activating the resized window
|
|
StartResize(wParam);
|
|
return 0;
|
|
|
|
case WM_MOUSEMOVE: {
|
|
if (resizeHit == 0) {
|
|
return ::DefWindowProc(hWnd, iMessage, wParam, lParam);
|
|
} else {
|
|
ResizeToCursor();
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_LBUTTONUP:
|
|
case WM_CANCELMODE:
|
|
if (resizeHit != 0) {
|
|
resizeHit = 0;
|
|
::ReleaseCapture();
|
|
}
|
|
return ::DefWindowProc(hWnd, iMessage, wParam, lParam);
|
|
|
|
case WM_MOUSEWHEEL:
|
|
wheelDelta -= static_cast<short>(HIWORD(wParam));
|
|
if (abs(wheelDelta) >= WHEEL_DELTA) {
|
|
int nRows = GetVisibleRows();
|
|
int linesToScroll = 1;
|
|
if (nRows > 1) {
|
|
linesToScroll = nRows - 1;
|
|
}
|
|
if (linesToScroll > 3) {
|
|
linesToScroll = 3;
|
|
}
|
|
linesToScroll *= (wheelDelta / WHEEL_DELTA);
|
|
int top = ::SendMessage(lb, LB_GETTOPINDEX, 0, 0) + linesToScroll;
|
|
if (top < 0) {
|
|
top = 0;
|
|
}
|
|
::SendMessage(lb, LB_SETTOPINDEX, top, 0);
|
|
// update wheel delta residue
|
|
if (wheelDelta >= 0)
|
|
wheelDelta = wheelDelta % WHEEL_DELTA;
|
|
else
|
|
wheelDelta = - (-wheelDelta % WHEEL_DELTA);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return ::DefWindowProc(hWnd, iMessage, wParam, lParam);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
LRESULT PASCAL ListBoxX::StaticWndProc(
|
|
HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam) {
|
|
if (iMessage == WM_CREATE) {
|
|
CREATESTRUCT *pCreate = reinterpret_cast<CREATESTRUCT *>(lParam);
|
|
SetWindowPointer(hWnd, pCreate->lpCreateParams);
|
|
}
|
|
// Find C++ object associated with window.
|
|
ListBoxX *lbx = reinterpret_cast<ListBoxX *>(PointerFromWindow(hWnd));
|
|
if (lbx) {
|
|
return lbx->WndProc(hWnd, iMessage, wParam, lParam);
|
|
} else {
|
|
return ::DefWindowProc(hWnd, iMessage, wParam, lParam);
|
|
}
|
|
}
|
|
|
|
static bool ListBoxX_Register() {
|
|
WNDCLASSEX wndclassc;
|
|
wndclassc.cbSize = sizeof(wndclassc);
|
|
// We need CS_HREDRAW and CS_VREDRAW because of the ellipsis that might be drawn for
|
|
// truncated items in the list and the appearance/disappearance of the vertical scroll bar.
|
|
// The list repaint is double-buffered to avoid the flicker this would otherwise cause.
|
|
wndclassc.style = CS_GLOBALCLASS | CS_HREDRAW | CS_VREDRAW;
|
|
wndclassc.cbClsExtra = 0;
|
|
wndclassc.cbWndExtra = sizeof(ListBoxX *);
|
|
wndclassc.hInstance = hinstPlatformRes;
|
|
wndclassc.hIcon = NULL;
|
|
wndclassc.hbrBackground = NULL;
|
|
wndclassc.lpszMenuName = NULL;
|
|
wndclassc.lpfnWndProc = ListBoxX::StaticWndProc;
|
|
wndclassc.hCursor = ::LoadCursor(NULL, IDC_ARROW);
|
|
wndclassc.lpszClassName = ListBoxX_ClassName;
|
|
wndclassc.hIconSm = 0;
|
|
|
|
return ::RegisterClassEx(&wndclassc) != 0;
|
|
}
|
|
|
|
bool ListBoxX_Unregister() {
|
|
return ::UnregisterClass(ListBoxX_ClassName, hinstPlatformRes) != 0;
|
|
}
|
|
|
|
Menu::Menu() : mid(0) {
|
|
}
|
|
|
|
void Menu::CreatePopUp() {
|
|
Destroy();
|
|
mid = ::CreatePopupMenu();
|
|
}
|
|
|
|
void Menu::Destroy() {
|
|
if (mid)
|
|
::DestroyMenu(reinterpret_cast<HMENU>(mid));
|
|
mid = 0;
|
|
}
|
|
|
|
void Menu::Show(Point pt, Window &w) {
|
|
::TrackPopupMenu(reinterpret_cast<HMENU>(mid),
|
|
0, pt.x - 4, pt.y, 0,
|
|
reinterpret_cast<HWND>(w.GetID()), NULL);
|
|
Destroy();
|
|
}
|
|
|
|
static bool initialisedET = false;
|
|
static bool usePerformanceCounter = false;
|
|
static LARGE_INTEGER frequency;
|
|
|
|
ElapsedTime::ElapsedTime() {
|
|
if (!initialisedET) {
|
|
usePerformanceCounter = ::QueryPerformanceFrequency(&frequency) != 0;
|
|
initialisedET = true;
|
|
}
|
|
if (usePerformanceCounter) {
|
|
LARGE_INTEGER timeVal;
|
|
::QueryPerformanceCounter(&timeVal);
|
|
bigBit = timeVal.HighPart;
|
|
littleBit = timeVal.LowPart;
|
|
} else {
|
|
bigBit = clock();
|
|
}
|
|
}
|
|
|
|
double ElapsedTime::Duration(bool reset) {
|
|
double result;
|
|
long endBigBit;
|
|
long endLittleBit;
|
|
|
|
if (usePerformanceCounter) {
|
|
LARGE_INTEGER lEnd;
|
|
::QueryPerformanceCounter(&lEnd);
|
|
endBigBit = lEnd.HighPart;
|
|
endLittleBit = lEnd.LowPart;
|
|
LARGE_INTEGER lBegin;
|
|
lBegin.HighPart = bigBit;
|
|
lBegin.LowPart = littleBit;
|
|
double elapsed = lEnd.QuadPart - lBegin.QuadPart;
|
|
result = elapsed / static_cast<double>(frequency.QuadPart);
|
|
} else {
|
|
endBigBit = clock();
|
|
endLittleBit = 0;
|
|
double elapsed = endBigBit - bigBit;
|
|
result = elapsed / CLOCKS_PER_SEC;
|
|
}
|
|
if (reset) {
|
|
bigBit = endBigBit;
|
|
littleBit = endLittleBit;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
class DynamicLibraryImpl : public DynamicLibrary {
|
|
protected:
|
|
HMODULE h;
|
|
public:
|
|
DynamicLibraryImpl(const char *modulePath) {
|
|
h = ::LoadLibraryA(modulePath);
|
|
}
|
|
|
|
virtual ~DynamicLibraryImpl() {
|
|
if (h != NULL)
|
|
::FreeLibrary(h);
|
|
}
|
|
|
|
// Use GetProcAddress to get a pointer to the relevant function.
|
|
virtual Function FindFunction(const char *name) {
|
|
if (h != NULL) {
|
|
// C++ standard doesn't like casts betwen function pointers and void pointers so use a union
|
|
union {
|
|
FARPROC fp;
|
|
Function f;
|
|
} fnConv;
|
|
fnConv.fp = ::GetProcAddress(h, name);
|
|
return fnConv.f;
|
|
} else
|
|
return NULL;
|
|
}
|
|
|
|
virtual bool IsValid() {
|
|
return h != NULL;
|
|
}
|
|
};
|
|
|
|
DynamicLibrary *DynamicLibrary::Load(const char *modulePath) {
|
|
return static_cast<DynamicLibrary *>(new DynamicLibraryImpl(modulePath));
|
|
}
|
|
|
|
ColourDesired Platform::Chrome() {
|
|
return ::GetSysColor(COLOR_3DFACE);
|
|
}
|
|
|
|
ColourDesired Platform::ChromeHighlight() {
|
|
return ::GetSysColor(COLOR_3DHIGHLIGHT);
|
|
}
|
|
|
|
const char *Platform::DefaultFont() {
|
|
return "Verdana";
|
|
}
|
|
|
|
int Platform::DefaultFontSize() {
|
|
return 8;
|
|
}
|
|
|
|
unsigned int Platform::DoubleClickTime() {
|
|
return ::GetDoubleClickTime();
|
|
}
|
|
|
|
bool Platform::MouseButtonBounce() {
|
|
return false;
|
|
}
|
|
|
|
void Platform::DebugDisplay(const char *s) {
|
|
::OutputDebugStringA(s);
|
|
}
|
|
|
|
bool Platform::IsKeyDown(int key) {
|
|
return (::GetKeyState(key) & 0x80000000) != 0;
|
|
}
|
|
|
|
long Platform::SendScintilla(WindowID w, unsigned int msg, unsigned long wParam, long lParam) {
|
|
return ::SendMessage(reinterpret_cast<HWND>(w), msg, wParam, lParam);
|
|
}
|
|
|
|
long Platform::SendScintillaPointer(WindowID w, unsigned int msg, unsigned long wParam, void *lParam) {
|
|
return ::SendMessage(reinterpret_cast<HWND>(w), msg, wParam,
|
|
reinterpret_cast<LPARAM>(lParam));
|
|
}
|
|
|
|
bool Platform::IsDBCSLeadByte(int codePage, char ch) {
|
|
// Byte ranges found in Wikipedia articles with relevant search strings in each case
|
|
unsigned char uch = static_cast<unsigned char>(ch);
|
|
switch (codePage) {
|
|
case 932:
|
|
// Shift_jis
|
|
return ((uch >= 0x81) && (uch <= 0x9F)) ||
|
|
((uch >= 0xE0) && (uch <= 0xEF));
|
|
case 936:
|
|
// GBK
|
|
return (uch >= 0x81) && (uch <= 0xFE);
|
|
case 949:
|
|
// Korean Wansung KS C-5601-1987
|
|
return (uch >= 0x81) && (uch <= 0xFE);
|
|
case 950:
|
|
// Big5
|
|
return (uch >= 0x81) && (uch <= 0xFE);
|
|
case 1361:
|
|
// Korean Johab KS C-5601-1992
|
|
return
|
|
((uch >= 0x84) && (uch <= 0xD3)) ||
|
|
((uch >= 0xD8) && (uch <= 0xDE)) ||
|
|
((uch >= 0xE0) && (uch <= 0xF9));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int Platform::DBCSCharLength(int codePage, const char *s) {
|
|
if (codePage == 932 || codePage == 936 || codePage == 949 ||
|
|
codePage == 950 || codePage == 1361) {
|
|
return Platform::IsDBCSLeadByte(codePage, s[0]) ? 2 : 1;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
int Platform::DBCSCharMaxLength() {
|
|
return 2;
|
|
}
|
|
|
|
// These are utility functions not really tied to a platform
|
|
|
|
int Platform::Minimum(int a, int b) {
|
|
if (a < b)
|
|
return a;
|
|
else
|
|
return b;
|
|
}
|
|
|
|
int Platform::Maximum(int a, int b) {
|
|
if (a > b)
|
|
return a;
|
|
else
|
|
return b;
|
|
}
|
|
|
|
//#define TRACE
|
|
|
|
#ifdef TRACE
|
|
void Platform::DebugPrintf(const char *format, ...) {
|
|
char buffer[2000];
|
|
va_list pArguments;
|
|
va_start(pArguments, format);
|
|
vsprintf(buffer,format,pArguments);
|
|
va_end(pArguments);
|
|
Platform::DebugDisplay(buffer);
|
|
}
|
|
#else
|
|
void Platform::DebugPrintf(const char *, ...) {
|
|
}
|
|
#endif
|
|
|
|
static bool assertionPopUps = true;
|
|
|
|
bool Platform::ShowAssertionPopUps(bool assertionPopUps_) {
|
|
bool ret = assertionPopUps;
|
|
assertionPopUps = assertionPopUps_;
|
|
return ret;
|
|
}
|
|
|
|
void Platform::Assert(const char *c, const char *file, int line) {
|
|
char buffer[2000];
|
|
sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
|
|
if (assertionPopUps) {
|
|
int idButton = ::MessageBoxA(0, buffer, "Assertion failure",
|
|
MB_ABORTRETRYIGNORE|MB_ICONHAND|MB_SETFOREGROUND|MB_TASKMODAL);
|
|
if (idButton == IDRETRY) {
|
|
::DebugBreak();
|
|
} else if (idButton == IDIGNORE) {
|
|
// all OK
|
|
} else {
|
|
abort();
|
|
}
|
|
} else {
|
|
strcat(buffer, "\r\n");
|
|
Platform::DebugDisplay(buffer);
|
|
::DebugBreak();
|
|
abort();
|
|
}
|
|
}
|
|
|
|
int Platform::Clamp(int val, int minVal, int maxVal) {
|
|
if (val > maxVal)
|
|
val = maxVal;
|
|
if (val < minVal)
|
|
val = minVal;
|
|
return val;
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
// GetVersionEx has been deprecated fro Windows 8.1 but called here to determine if Windows 9x.
|
|
// Too dangerous to find alternate check.
|
|
#pragma warning(disable: 4996)
|
|
#endif
|
|
|
|
void Platform_Initialise(void *hInstance) {
|
|
OSVERSIONINFO osv = {sizeof(OSVERSIONINFO),0,0,0,0,TEXT("")};
|
|
::GetVersionEx(&osv);
|
|
onNT = osv.dwPlatformId == VER_PLATFORM_WIN32_NT;
|
|
::InitializeCriticalSection(&crPlatformLock);
|
|
hinstPlatformRes = reinterpret_cast<HINSTANCE>(hInstance);
|
|
// This may be called from DllMain, in which case the call to LoadLibrary
|
|
// is bad because it can upset the DLL load order.
|
|
if (!hDLLImage) {
|
|
hDLLImage = ::LoadLibrary(TEXT("Msimg32"));
|
|
}
|
|
if (hDLLImage) {
|
|
AlphaBlendFn = (AlphaBlendSig)::GetProcAddress(hDLLImage, "AlphaBlend");
|
|
}
|
|
if (!hDLLUser32) {
|
|
hDLLUser32 = ::LoadLibrary(TEXT("User32"));
|
|
}
|
|
if (hDLLUser32) {
|
|
MonitorFromPointFn = (MonitorFromPointSig)::GetProcAddress(hDLLUser32, "MonitorFromPoint");
|
|
MonitorFromRectFn = (MonitorFromRectSig)::GetProcAddress(hDLLUser32, "MonitorFromRect");
|
|
GetMonitorInfoFn = (GetMonitorInfoSig)::GetProcAddress(hDLLUser32, "GetMonitorInfoA");
|
|
}
|
|
|
|
ListBoxX_Register();
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(default: 4996)
|
|
#endif
|
|
|
|
void Platform_Finalise() {
|
|
if (reverseArrowCursor != NULL)
|
|
::DestroyCursor(reverseArrowCursor);
|
|
ListBoxX_Unregister();
|
|
::DeleteCriticalSection(&crPlatformLock);
|
|
}
|