1679 lines
55 KiB
Plaintext
1679 lines
55 KiB
Plaintext
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/**
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* Scintilla source code edit control
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* ScintillaCocoa.mm - Cocoa subclass of ScintillaBase
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*
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* Written by Mike Lischke <mlischke@sun.com>
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*
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* Loosely based on ScintillaMacOSX.cxx.
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* Copyright 2003 by Evan Jones <ejones@uwaterloo.ca>
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* Based on ScintillaGTK.cxx Copyright 1998-2002 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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*
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* Copyright (c) 2009, 2010 Sun Microsystems, Inc. All rights reserved.
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* This file is dual licensed under LGPL v2.1 and the Scintilla license (http://www.scintilla.org/License.txt).
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*/
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#import <Cocoa/Cocoa.h>
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#import <Carbon/Carbon.h> // Temporary
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#include "ScintillaView.h"
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#include "PlatCocoa.h"
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using namespace Scintilla;
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#ifndef WM_UNICHAR
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#define WM_UNICHAR 0x0109
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#endif
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NSString* ScintillaRecPboardType = @"com.scintilla.utf16-plain-text.rectangular";
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//--------------------------------------------------------------------------------------------------
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// Define keyboard shortcuts (equivalents) the Mac way.
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#define SCI_CMD ( SCI_CTRL)
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#define SCI_SCMD ( SCI_CMD | SCI_SHIFT)
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#define SCI_META ( SCMOD_META )
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#define SCI_SMETA ( SCI_META | SCI_SHIFT)
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static const KeyToCommand macMapDefault[] =
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{
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// OS X specific
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{SCK_DOWN, SCI_CMD, SCI_DOCUMENTEND},
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{SCK_UP, SCI_CMD, SCI_DOCUMENTSTART},
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{SCK_LEFT, SCI_CMD, SCI_VCHOME},
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{SCK_LEFT, SCI_SCMD, SCI_VCHOMEEXTEND},
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{SCK_RIGHT, SCI_CMD, SCI_LINEEND},
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{SCK_RIGHT, SCI_SCMD, SCI_LINEENDEXTEND},
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// Similar to Windows and GTK+
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// Where equivalent clashes with OS X standard, use Meta instead
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{SCK_DOWN, SCI_NORM, SCI_LINEDOWN},
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{SCK_DOWN, SCI_SHIFT, SCI_LINEDOWNEXTEND},
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{SCK_DOWN, SCI_META, SCI_LINESCROLLDOWN},
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{SCK_DOWN, SCI_ASHIFT, SCI_LINEDOWNRECTEXTEND},
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{SCK_UP, SCI_NORM, SCI_LINEUP},
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{SCK_UP, SCI_SHIFT, SCI_LINEUPEXTEND},
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{SCK_UP, SCI_META, SCI_LINESCROLLUP},
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{SCK_UP, SCI_ASHIFT, SCI_LINEUPRECTEXTEND},
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{'[', SCI_CTRL, SCI_PARAUP},
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{'[', SCI_CSHIFT, SCI_PARAUPEXTEND},
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{']', SCI_CTRL, SCI_PARADOWN},
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{']', SCI_CSHIFT, SCI_PARADOWNEXTEND},
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{SCK_LEFT, SCI_NORM, SCI_CHARLEFT},
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{SCK_LEFT, SCI_SHIFT, SCI_CHARLEFTEXTEND},
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{SCK_LEFT, SCI_ALT, SCI_WORDLEFT},
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{SCK_LEFT, SCI_META, SCI_WORDLEFT},
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{SCK_LEFT, SCI_SMETA, SCI_WORDLEFTEXTEND},
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{SCK_LEFT, SCI_ASHIFT, SCI_CHARLEFTRECTEXTEND},
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{SCK_RIGHT, SCI_NORM, SCI_CHARRIGHT},
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{SCK_RIGHT, SCI_SHIFT, SCI_CHARRIGHTEXTEND},
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{SCK_RIGHT, SCI_ALT, SCI_WORDRIGHT},
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{SCK_RIGHT, SCI_META, SCI_WORDRIGHT},
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{SCK_RIGHT, SCI_SMETA, SCI_WORDRIGHTEXTEND},
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{SCK_RIGHT, SCI_ASHIFT, SCI_CHARRIGHTRECTEXTEND},
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{'/', SCI_CTRL, SCI_WORDPARTLEFT},
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{'/', SCI_CSHIFT, SCI_WORDPARTLEFTEXTEND},
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{'\\', SCI_CTRL, SCI_WORDPARTRIGHT},
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{'\\', SCI_CSHIFT, SCI_WORDPARTRIGHTEXTEND},
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{SCK_HOME, SCI_NORM, SCI_VCHOME},
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{SCK_HOME, SCI_SHIFT, SCI_VCHOMEEXTEND},
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{SCK_HOME, SCI_CTRL, SCI_DOCUMENTSTART},
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{SCK_HOME, SCI_CSHIFT, SCI_DOCUMENTSTARTEXTEND},
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{SCK_HOME, SCI_ALT, SCI_HOMEDISPLAY},
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{SCK_HOME, SCI_ASHIFT, SCI_VCHOMERECTEXTEND},
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{SCK_END, SCI_NORM, SCI_LINEEND},
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{SCK_END, SCI_SHIFT, SCI_LINEENDEXTEND},
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{SCK_END, SCI_CTRL, SCI_DOCUMENTEND},
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{SCK_END, SCI_CSHIFT, SCI_DOCUMENTENDEXTEND},
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{SCK_END, SCI_ALT, SCI_LINEENDDISPLAY},
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{SCK_END, SCI_ASHIFT, SCI_LINEENDRECTEXTEND},
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{SCK_PRIOR, SCI_NORM, SCI_PAGEUP},
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{SCK_PRIOR, SCI_SHIFT, SCI_PAGEUPEXTEND},
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{SCK_PRIOR, SCI_ASHIFT, SCI_PAGEUPRECTEXTEND},
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{SCK_NEXT, SCI_NORM, SCI_PAGEDOWN},
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{SCK_NEXT, SCI_SHIFT, SCI_PAGEDOWNEXTEND},
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{SCK_NEXT, SCI_ASHIFT, SCI_PAGEDOWNRECTEXTEND},
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{SCK_DELETE, SCI_NORM, SCI_CLEAR},
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{SCK_DELETE, SCI_SHIFT, SCI_CUT},
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{SCK_DELETE, SCI_CTRL, SCI_DELWORDRIGHT},
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{SCK_DELETE, SCI_CSHIFT, SCI_DELLINERIGHT},
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{SCK_INSERT, SCI_NORM, SCI_EDITTOGGLEOVERTYPE},
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{SCK_INSERT, SCI_SHIFT, SCI_PASTE},
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{SCK_INSERT, SCI_CTRL, SCI_COPY},
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{SCK_ESCAPE, SCI_NORM, SCI_CANCEL},
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{SCK_BACK, SCI_NORM, SCI_DELETEBACK},
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{SCK_BACK, SCI_SHIFT, SCI_DELETEBACK},
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{SCK_BACK, SCI_CTRL, SCI_DELWORDLEFT},
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{SCK_BACK, SCI_ALT, SCI_UNDO},
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{SCK_BACK, SCI_CSHIFT, SCI_DELLINELEFT},
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{'z', SCI_CMD, SCI_UNDO},
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{'z', SCI_SCMD, SCI_REDO},
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{'x', SCI_CMD, SCI_CUT},
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{'c', SCI_CMD, SCI_COPY},
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{'v', SCI_CMD, SCI_PASTE},
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{'a', SCI_CMD, SCI_SELECTALL},
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{SCK_TAB, SCI_NORM, SCI_TAB},
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{SCK_TAB, SCI_SHIFT, SCI_BACKTAB},
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{SCK_RETURN, SCI_NORM, SCI_NEWLINE},
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{SCK_RETURN, SCI_SHIFT, SCI_NEWLINE},
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{SCK_ADD, SCI_CMD, SCI_ZOOMIN},
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{SCK_SUBTRACT, SCI_CMD, SCI_ZOOMOUT},
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{SCK_DIVIDE, SCI_CMD, SCI_SETZOOM},
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{'l', SCI_CMD, SCI_LINECUT},
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{'l', SCI_CSHIFT, SCI_LINEDELETE},
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{'t', SCI_CSHIFT, SCI_LINECOPY},
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{'t', SCI_CTRL, SCI_LINETRANSPOSE},
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{'d', SCI_CTRL, SCI_SELECTIONDUPLICATE},
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{'u', SCI_CTRL, SCI_LOWERCASE},
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{'u', SCI_CSHIFT, SCI_UPPERCASE},
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{0, 0, 0},
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};
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//--------------------------------------------------------------------------------------------------
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@implementation TimerTarget
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- (id) init: (void*) target
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{
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[super init];
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if (self != nil)
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{
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mTarget = target;
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// Get the default notification queue for the thread which created the instance (usually the
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// main thread). We need that later for idle event processing.
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NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
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notificationQueue = [[NSNotificationQueue alloc] initWithNotificationCenter: center];
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[center addObserver: self selector: @selector(idleTriggered:) name: @"Idle" object: nil];
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}
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return self;
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}
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//--------------------------------------------------------------------------------------------------
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- (void) dealloc
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{
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[notificationQueue release];
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[super dealloc];
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Method called by a timer installed by ScintillaCocoa. This two step approach is needed because
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* a native Obj-C class is required as target for the timer.
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*/
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- (void) timerFired: (NSTimer*) timer
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{
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reinterpret_cast<ScintillaCocoa*>(mTarget)->TimerFired(timer);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Another timer callback for the idle timer.
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*/
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- (void) idleTimerFired: (NSTimer*) timer
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{
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// Idle timer event.
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// Post a new idle notification, which gets executed when the run loop is idle.
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// Since we are coalescing on name and sender there will always be only one actual notification
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// even for multiple requests.
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NSNotification *notification = [NSNotification notificationWithName: @"Idle" object: self];
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[notificationQueue enqueueNotification: notification
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postingStyle: NSPostWhenIdle
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coalesceMask: (NSNotificationCoalescingOnName | NSNotificationCoalescingOnSender)
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forModes: nil];
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Another step for idle events. The timer (for idle events) simply requests a notification on
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* idle time. Only when this notification is send we actually call back the editor.
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*/
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- (void) idleTriggered: (NSNotification*) notification
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{
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reinterpret_cast<ScintillaCocoa*>(mTarget)->IdleTimerFired();
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}
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@end
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//----------------- ScintillaCocoa -----------------------------------------------------------------
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ScintillaCocoa::ScintillaCocoa(NSView* view)
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{
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wMain= [view retain];
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timerTarget = [[[TimerTarget alloc] init: this] retain];
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Initialise();
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}
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//--------------------------------------------------------------------------------------------------
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ScintillaCocoa::~ScintillaCocoa()
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{
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SetTicking(false);
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[timerTarget release];
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NSView* container = ContentView();
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[container release];
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Core initialization of the control. Everything that needs to be set up happens here.
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*/
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void ScintillaCocoa::Initialise()
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{
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static bool initedLexers = false;
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if (!initedLexers)
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{
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initedLexers = true;
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Scintilla_LinkLexers();
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}
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notifyObj = NULL;
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notifyProc = NULL;
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capturedMouse = false;
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// Tell Scintilla not to buffer: Quartz buffers drawing for us.
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WndProc(SCI_SETBUFFEREDDRAW, 0, 0);
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// We are working with Unicode exclusively.
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WndProc(SCI_SETCODEPAGE, SC_CP_UTF8, 0);
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// Add Mac specific key bindings.
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for (int i = 0; macMapDefault[i].key; i++)
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kmap.AssignCmdKey(macMapDefault[i].key, macMapDefault[i].modifiers, macMapDefault[i].msg);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* We need some clean up. Do it here.
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*/
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void ScintillaCocoa::Finalise()
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{
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SetTicking(false);
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ScintillaBase::Finalise();
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Convert a core foundation string into an array of bytes in a particular encoding
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*/
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static char *EncodedBytes(CFStringRef cfsRef, CFStringEncoding encoding) {
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CFRange rangeAll = {0, CFStringGetLength(cfsRef)};
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CFIndex usedLen = 0;
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CFStringGetBytes(cfsRef, rangeAll, encoding, '?',
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false, NULL, 0, &usedLen);
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char *buffer = new char[usedLen+1];
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CFStringGetBytes(cfsRef, rangeAll, encoding, '?',
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false, (UInt8 *)buffer,usedLen, NULL);
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buffer[usedLen] = '\0';
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return buffer;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Case folders.
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*/
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class CaseFolderUTF8 : public CaseFolderTable {
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public:
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CaseFolderUTF8() {
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StandardASCII();
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}
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virtual size_t Fold(char *folded, size_t sizeFolded, const char *mixed, size_t lenMixed) {
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if ((lenMixed == 1) && (sizeFolded > 0)) {
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folded[0] = mapping[static_cast<unsigned char>(mixed[0])];
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return 1;
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} else {
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CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
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reinterpret_cast<const UInt8 *>(mixed),
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lenMixed, kCFStringEncodingUTF8, false);
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NSString *sMapped = [(NSString *)cfsVal stringByFoldingWithOptions:NSCaseInsensitiveSearch
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locale:[NSLocale currentLocale]];
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const char *cpMapped = [sMapped UTF8String];
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size_t lenMapped = strlen(cpMapped);
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if (lenMapped < sizeFolded) {
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memcpy(folded, cpMapped, lenMapped);
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} else {
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lenMapped = 0;
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}
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CFRelease(cfsVal);
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return lenMapped;
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}
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}
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};
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class CaseFolderDBCS : public CaseFolderTable {
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CFStringEncoding encoding;
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public:
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CaseFolderDBCS(CFStringEncoding encoding_) : encoding(encoding_) {
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StandardASCII();
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}
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virtual size_t Fold(char *folded, size_t sizeFolded, const char *mixed, size_t lenMixed) {
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if ((lenMixed == 1) && (sizeFolded > 0)) {
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folded[0] = mapping[static_cast<unsigned char>(mixed[0])];
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return 1;
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} else {
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CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
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reinterpret_cast<const UInt8 *>(mixed),
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lenMixed, encoding, false);
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NSString *sMapped = [(NSString *)cfsVal stringByFoldingWithOptions:NSCaseInsensitiveSearch
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locale:[NSLocale currentLocale]];
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char *encoded = EncodedBytes((CFStringRef)sMapped, encoding);
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size_t lenMapped = strlen(encoded);
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if (lenMapped < sizeFolded) {
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memcpy(folded, encoded, lenMapped);
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} else {
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folded[0] = '\0';
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lenMapped = 1;
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}
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delete []encoded;
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CFRelease(cfsVal);
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return lenMapped;
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}
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// Something failed so return a single NUL byte
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folded[0] = '\0';
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return 1;
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}
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};
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CaseFolder *ScintillaCocoa::CaseFolderForEncoding() {
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if (pdoc->dbcsCodePage == SC_CP_UTF8) {
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return new CaseFolderUTF8();
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} else {
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CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
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vs.styles[STYLE_DEFAULT].characterSet);
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if (pdoc->dbcsCodePage == 0) {
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CaseFolderTable *pcf = new CaseFolderTable();
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pcf->StandardASCII();
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// Only for single byte encodings
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for (int i=0x80; i<0x100; i++) {
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char sCharacter[2] = "A";
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sCharacter[0] = i;
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CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
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reinterpret_cast<const UInt8 *>(sCharacter),
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1, encoding, false);
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NSString *sMapped = [(NSString *)cfsVal stringByFoldingWithOptions:NSCaseInsensitiveSearch
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locale:[NSLocale currentLocale]];
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char *encoded = EncodedBytes((CFStringRef)sMapped, encoding);
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if (strlen(encoded) == 1) {
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pcf->SetTranslation(sCharacter[0], encoded[0]);
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}
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delete []encoded;
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CFRelease(cfsVal);
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}
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return pcf;
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} else {
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return new CaseFolderDBCS(encoding);
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}
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return 0;
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}
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Case-fold the given string depending on the specified case mapping type.
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*/
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std::string ScintillaCocoa::CaseMapString(const std::string &s, int caseMapping)
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{
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CFStringEncoding encoding = EncodingFromCharacterSet(IsUnicodeMode(),
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vs.styles[STYLE_DEFAULT].characterSet);
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CFStringRef cfsVal = CFStringCreateWithBytes(kCFAllocatorDefault,
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reinterpret_cast<const UInt8 *>(s.c_str()),
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s.length(), encoding, false);
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NSString *sMapped;
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switch (caseMapping)
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{
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case cmUpper:
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sMapped = [(NSString *)cfsVal uppercaseString];
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break;
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case cmLower:
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sMapped = [(NSString *)cfsVal lowercaseString];
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break;
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default:
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sMapped = [(NSString *)cfsVal copy];
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}
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// Back to encoding
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char *encoded = EncodedBytes((CFStringRef)sMapped, encoding);
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std::string result(encoded);
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delete []encoded;
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CFRelease(cfsVal);
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return result;
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Helper function to get the outer container which represents the Scintilla editor on application side.
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*/
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ScintillaView* ScintillaCocoa::TopContainer()
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{
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NSView* container = static_cast<NSView*>(wMain.GetID());
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return static_cast<ScintillaView*>([container superview]);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Helper function to get the inner container which represents the actual "canvas" we work with.
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*/
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NSView* ScintillaCocoa::ContentView()
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{
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return static_cast<NSView*>(wMain.GetID());
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Instead of returning the size of the inner view we have to return the visible part of it
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* in order to make scrolling working properly.
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*/
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PRectangle ScintillaCocoa::GetClientRectangle()
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{
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NSView* host = ContentView();
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NSSize size = [host frame].size;
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return PRectangle(0, 0, size.width, size.height);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* Converts the given point from base coordinates to local coordinates and at the same time into
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* a native Point structure. Base coordinates are used for the top window used in the view hierarchy.
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*/
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Scintilla::Point ScintillaCocoa::ConvertPoint(NSPoint point)
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{
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NSView* container = ContentView();
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NSPoint result = [container convertPoint: point fromView: nil];
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return Point(result.x, result.y);
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}
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//--------------------------------------------------------------------------------------------------
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/**
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* A function to directly execute code that would usually go the long way via window messages.
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* However this is a Windows metapher and not used here, hence we just call our fake
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* window proc. The given parameters directly reflect the message parameters used on Windows.
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*
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* @param sciThis The target which is to be called.
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* @param iMessage A code that indicates which message was sent.
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* @param wParam One of the two free parameters for the message. Traditionally a word sized parameter
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* (hence the w prefix).
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* @param lParam The other of the two free parameters. A signed long.
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*/
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sptr_t ScintillaCocoa::DirectFunction(ScintillaCocoa *sciThis, unsigned int iMessage, uptr_t wParam,
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sptr_t lParam)
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{
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return sciThis->WndProc(iMessage, wParam, lParam);
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}
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//--------------------------------------------------------------------------------------------------
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|
|
/**
|
|
* This method is very similar to DirectFunction. On Windows it sends a message (not in the Obj-C sense)
|
|
* to the target window. Here we simply call our fake window proc.
|
|
*/
|
|
sptr_t scintilla_send_message(void* sci, unsigned int iMessage, uptr_t wParam, sptr_t lParam)
|
|
{
|
|
ScintillaView *control = reinterpret_cast<ScintillaView*>(sci);
|
|
ScintillaCocoa* scintilla = [control backend];
|
|
return scintilla->WndProc(iMessage, wParam, lParam);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* That's our fake window procedure. On Windows each window has a dedicated procedure to handle
|
|
* commands (also used to synchronize UI and background threads), which is not the case in Cocoa.
|
|
*
|
|
* Messages handled here are almost solely for special commands of the backend. Everything which
|
|
* would be sytem messages on Windows (e.g. for key down, mouse move etc.) are handled by
|
|
* directly calling appropriate handlers.
|
|
*/
|
|
sptr_t ScintillaCocoa::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam)
|
|
{
|
|
switch (iMessage)
|
|
{
|
|
case SCI_GETDIRECTFUNCTION:
|
|
return reinterpret_cast<sptr_t>(DirectFunction);
|
|
|
|
case SCI_GETDIRECTPOINTER:
|
|
return reinterpret_cast<sptr_t>(this);
|
|
|
|
case SCI_GRABFOCUS:
|
|
[[ContentView() window] makeFirstResponder:ContentView()];
|
|
break;
|
|
|
|
break;
|
|
|
|
case WM_UNICHAR:
|
|
// Special case not used normally. Characters passed in this way will be inserted
|
|
// regardless of their value or modifier states. That means no command interpretation is
|
|
// performed.
|
|
if (IsUnicodeMode())
|
|
{
|
|
NSString* input = [[NSString stringWithCharacters: (const unichar*) &wParam length: 1] autorelease];
|
|
const char* utf8 = [input UTF8String];
|
|
AddCharUTF((char*) utf8, strlen(utf8), false);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
|
|
default:
|
|
sptr_t r = ScintillaBase::WndProc(iMessage, wParam, lParam);
|
|
|
|
return r;
|
|
}
|
|
return 0l;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* In Windows lingo this is the handler which handles anything that wasn't handled in the normal
|
|
* window proc which would usually send the message back to generic window proc that Windows uses.
|
|
*/
|
|
sptr_t ScintillaCocoa::DefWndProc(unsigned int, uptr_t, sptr_t)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Enables or disables a timer that can trigger background processing at a regular interval, like
|
|
* drag scrolling or caret blinking.
|
|
*/
|
|
void ScintillaCocoa::SetTicking(bool on)
|
|
{
|
|
if (timer.ticking != on)
|
|
{
|
|
timer.ticking = on;
|
|
if (timer.ticking)
|
|
{
|
|
// Scintilla ticks = milliseconds
|
|
// Using userInfo as flag to distinct between tick and idle timer.
|
|
NSTimer* tickTimer = [NSTimer scheduledTimerWithTimeInterval: timer.tickSize / 1000.0
|
|
target: timerTarget
|
|
selector: @selector(timerFired:)
|
|
userInfo: nil
|
|
repeats: YES];
|
|
timer.tickerID = reinterpret_cast<TickerID>(tickTimer);
|
|
}
|
|
else
|
|
if (timer.tickerID != NULL)
|
|
{
|
|
[reinterpret_cast<NSTimer*>(timer.tickerID) invalidate];
|
|
timer.tickerID = 0;
|
|
}
|
|
}
|
|
timer.ticksToWait = caret.period;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
bool ScintillaCocoa::SetIdle(bool on)
|
|
{
|
|
if (idler.state != on)
|
|
{
|
|
idler.state = on;
|
|
if (idler.state)
|
|
{
|
|
// Scintilla ticks = milliseconds
|
|
NSTimer* idleTimer = [NSTimer scheduledTimerWithTimeInterval: timer.tickSize / 1000.0
|
|
target: timerTarget
|
|
selector: @selector(idleTimerFired:)
|
|
userInfo: nil
|
|
repeats: YES];
|
|
idler.idlerID = reinterpret_cast<IdlerID>(idleTimer);
|
|
}
|
|
else
|
|
if (idler.idlerID != NULL)
|
|
{
|
|
[reinterpret_cast<NSTimer*>(idler.idlerID) invalidate];
|
|
idler.idlerID = 0;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::CopyToClipboard(const SelectionText &selectedText)
|
|
{
|
|
SetPasteboardData([NSPasteboard generalPasteboard], selectedText);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::Copy()
|
|
{
|
|
if (!sel.Empty())
|
|
{
|
|
SelectionText selectedText;
|
|
CopySelectionRange(&selectedText);
|
|
CopyToClipboard(selectedText);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
bool ScintillaCocoa::CanPaste()
|
|
{
|
|
if (!Editor::CanPaste())
|
|
return false;
|
|
|
|
return GetPasteboardData([NSPasteboard generalPasteboard], NULL);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::Paste()
|
|
{
|
|
Paste(false);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Pastes data from the paste board into the editor.
|
|
*/
|
|
void ScintillaCocoa::Paste(bool forceRectangular)
|
|
{
|
|
SelectionText selectedText;
|
|
bool ok = GetPasteboardData([NSPasteboard generalPasteboard], &selectedText);
|
|
if (forceRectangular)
|
|
selectedText.rectangular = forceRectangular;
|
|
|
|
if (!ok || !selectedText.s)
|
|
// No data or no flavor we support.
|
|
return;
|
|
|
|
pdoc->BeginUndoAction();
|
|
ClearSelection(false);
|
|
int length = selectedText.len - 1; // One less to avoid inserting the terminating 0 character.
|
|
if (selectedText.rectangular)
|
|
{
|
|
SelectionPosition selStart = sel.RangeMain().Start();
|
|
PasteRectangular(selStart, selectedText.s, length);
|
|
}
|
|
else
|
|
if (pdoc->InsertString(sel.RangeMain().caret.Position(), selectedText.s, length))
|
|
SetEmptySelection(sel.RangeMain().caret.Position() + length);
|
|
|
|
pdoc->EndUndoAction();
|
|
|
|
Redraw();
|
|
EnsureCaretVisible();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::CTPaint(void* gc, NSRect rc) {
|
|
Surface *surfaceWindow = Surface::Allocate();
|
|
if (surfaceWindow) {
|
|
surfaceWindow->Init(gc, wMain.GetID());
|
|
surfaceWindow->SetUnicodeMode(SC_CP_UTF8 == ct.codePage);
|
|
surfaceWindow->SetDBCSMode(ct.codePage);
|
|
ct.PaintCT(surfaceWindow);
|
|
surfaceWindow->Release();
|
|
delete surfaceWindow;
|
|
}
|
|
}
|
|
|
|
@interface CallTipView : NSControl {
|
|
ScintillaCocoa *sci;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation CallTipView
|
|
|
|
- (NSView*) initWithFrame: (NSRect) frame {
|
|
self = [super initWithFrame: frame];
|
|
|
|
if (self) {
|
|
sci = NULL;
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void) dealloc {
|
|
[super dealloc];
|
|
}
|
|
|
|
- (BOOL) isFlipped {
|
|
return YES;
|
|
}
|
|
|
|
- (void) setSci: (ScintillaCocoa *) sci_ {
|
|
sci = sci_;
|
|
}
|
|
|
|
- (void) drawRect: (NSRect) needsDisplayInRect {
|
|
if (sci) {
|
|
CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
|
|
sci->CTPaint(context, needsDisplayInRect);
|
|
}
|
|
}
|
|
|
|
- (void) mouseDown: (NSEvent *) event {
|
|
if (sci) {
|
|
sci->CallTipMouseDown([event locationInWindow]);
|
|
}
|
|
}
|
|
|
|
// On OS X, only the key view should modify the cursor so the calltip can't.
|
|
// This view does not become key so resetCursorRects never called.
|
|
- (void) resetCursorRects {
|
|
//[super resetCursorRects];
|
|
//[self addCursorRect: [self bounds] cursor: [NSCursor arrowCursor]];
|
|
}
|
|
|
|
@end
|
|
|
|
void ScintillaCocoa::CallTipMouseDown(NSPoint pt) {
|
|
NSRect rectBounds = [(NSView *)(ct.wDraw.GetID()) bounds];
|
|
Point location(pt.x, rectBounds.size.height - pt.y);
|
|
ct.MouseClick(location);
|
|
CallTipClick();
|
|
}
|
|
|
|
void ScintillaCocoa::CreateCallTipWindow(PRectangle rc) {
|
|
if (!ct.wCallTip.Created()) {
|
|
NSRect ctRect = NSMakeRect(rc.top,rc.bottom, rc.Width(), rc.Height());
|
|
NSWindow *callTip = [[NSWindow alloc] initWithContentRect: ctRect
|
|
styleMask: NSBorderlessWindowMask
|
|
backing: NSBackingStoreBuffered
|
|
defer: NO];
|
|
[callTip setLevel:NSFloatingWindowLevel];
|
|
[callTip setHasShadow:YES];
|
|
NSRect ctContent = NSMakeRect(0,0, rc.Width(), rc.Height());
|
|
CallTipView *caption = [CallTipView alloc];
|
|
[caption initWithFrame: ctContent];
|
|
[caption setAutoresizingMask: NSViewWidthSizable | NSViewMaxYMargin];
|
|
[caption setSci: this];
|
|
[[callTip contentView] addSubview: caption];
|
|
[callTip orderFront:caption];
|
|
ct.wCallTip = callTip;
|
|
ct.wDraw = caption;
|
|
}
|
|
}
|
|
|
|
void ScintillaCocoa::AddToPopUp(const char *label, int cmd, bool enabled)
|
|
{
|
|
NSMenuItem* item;
|
|
ScintillaContextMenu *menu= reinterpret_cast<ScintillaContextMenu*>(popup.GetID());
|
|
[menu setOwner: this];
|
|
[menu setAutoenablesItems: NO];
|
|
|
|
if (cmd == 0)
|
|
item = [NSMenuItem separatorItem];
|
|
else
|
|
item = [[NSMenuItem alloc] init];
|
|
|
|
[item setTarget: menu];
|
|
[item setAction: @selector(handleCommand:)];
|
|
[item setTag: cmd];
|
|
[item setTitle: [NSString stringWithUTF8String: label]];
|
|
[item setEnabled: enabled];
|
|
|
|
[menu addItem: item];
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::ClaimSelection()
|
|
{
|
|
// Mac OS X does not have a primary selection.
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Returns the current caret position (which is tracked as an offset into the entire text string)
|
|
* as a row:column pair. The result is zero-based.
|
|
*/
|
|
NSPoint ScintillaCocoa::GetCaretPosition()
|
|
{
|
|
NSPoint result;
|
|
|
|
result.y = pdoc->LineFromPosition(sel.RangeMain().caret.Position());
|
|
result.x = sel.RangeMain().caret.Position() - pdoc->LineStart(result.y);
|
|
return result;
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------------------------
|
|
|
|
#pragma segment Drag
|
|
|
|
/**
|
|
* Triggered by the tick timer on a regular basis to scroll the content during a drag operation.
|
|
*/
|
|
void ScintillaCocoa::DragScroll()
|
|
{
|
|
if (!posDrag.IsValid())
|
|
{
|
|
scrollSpeed = 1;
|
|
scrollTicks = 2000;
|
|
return;
|
|
}
|
|
|
|
// TODO: does not work for wrapped lines, fix it.
|
|
int line = pdoc->LineFromPosition(posDrag.Position());
|
|
int currentVisibleLine = cs.DisplayFromDoc(line);
|
|
int lastVisibleLine = Platform::Minimum(topLine + LinesOnScreen(), cs.LinesDisplayed()) - 2;
|
|
|
|
if (currentVisibleLine <= topLine && topLine > 0)
|
|
ScrollTo(topLine - scrollSpeed);
|
|
else
|
|
if (currentVisibleLine >= lastVisibleLine)
|
|
ScrollTo(topLine + scrollSpeed);
|
|
else
|
|
{
|
|
scrollSpeed = 1;
|
|
scrollTicks = 2000;
|
|
return;
|
|
}
|
|
|
|
// TODO: also handle horizontal scrolling.
|
|
|
|
if (scrollSpeed == 1)
|
|
{
|
|
scrollTicks -= timer.tickSize;
|
|
if (scrollTicks <= 0)
|
|
{
|
|
scrollSpeed = 5;
|
|
scrollTicks = 2000;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called when a drag operation was initiated from within Scintilla.
|
|
*/
|
|
void ScintillaCocoa::StartDrag()
|
|
{
|
|
if (sel.Empty())
|
|
return;
|
|
|
|
// Put the data to be dragged on the drag pasteboard.
|
|
SelectionText selectedText;
|
|
NSPasteboard* pasteboard = [NSPasteboard pasteboardWithName: NSDragPboard];
|
|
CopySelectionRange(&selectedText);
|
|
SetPasteboardData(pasteboard, selectedText);
|
|
|
|
// Prepare drag image.
|
|
PRectangle localRectangle = RectangleFromRange(sel.RangeMain().Start().Position(), sel.RangeMain().End().Position());
|
|
NSRect selectionRectangle = PRectangleToNSRect(localRectangle);
|
|
|
|
NSView* content = ContentView();
|
|
|
|
#if 0 // TODO: fix initialization of the drag image with CGImageRef.
|
|
// To get a bitmap of the text we're dragging, we just use Paint on a pixmap surface.
|
|
SurfaceImpl *sw = new SurfaceImpl();
|
|
SurfaceImpl *pixmap = NULL;
|
|
|
|
bool lastHideSelection = hideSelection;
|
|
hideSelection = true;
|
|
if (sw)
|
|
{
|
|
pixmap = new SurfaceImpl();
|
|
if (pixmap)
|
|
{
|
|
PRectangle client = GetClientRectangle();
|
|
PRectangle imageRect = NSRectToPRectangle(selectionRectangle);
|
|
paintState = painting;
|
|
//sw->InitPixMap(client.Width(), client.Height(), NULL, NULL);
|
|
sw->InitPixMap(imageRect.Width(), imageRect.Height(), NULL, NULL);
|
|
paintingAllText = true;
|
|
Paint(sw, imageRect);
|
|
paintState = notPainting;
|
|
|
|
pixmap->InitPixMap(imageRect.Width(), imageRect.Height(), NULL, NULL);
|
|
|
|
CGContextRef gc = pixmap->GetContext();
|
|
|
|
// To make Paint() work on a bitmap, we have to flip our coordinates and translate the origin
|
|
CGContextTranslateCTM(gc, 0, imageRect.Height());
|
|
CGContextScaleCTM(gc, 1.0, -1.0);
|
|
|
|
pixmap->CopyImageRectangle(*sw, imageRect, PRectangle(0, 0, imageRect.Width(), imageRect.Height()));
|
|
// XXX TODO: overwrite any part of the image that is not part of the
|
|
// selection to make it transparent. right now we just use
|
|
// the full rectangle which may include non-selected text.
|
|
}
|
|
sw->Release();
|
|
delete sw;
|
|
}
|
|
hideSelection = lastHideSelection;
|
|
|
|
NSBitmapImageRep* bitmap = NULL;
|
|
if (pixmap)
|
|
{
|
|
bitmap = [[[NSBitmapImageRep alloc] initWithCGImage: pixmap->GetImage()] autorelease];
|
|
pixmap->Release();
|
|
delete pixmap;
|
|
}
|
|
#else
|
|
|
|
// Poor man's drag image: take a snapshot of the content view.
|
|
[content lockFocus];
|
|
NSBitmapImageRep* bitmap = [[[NSBitmapImageRep alloc] initWithFocusedViewRect: selectionRectangle] autorelease];
|
|
[bitmap setColorSpaceName: NSDeviceRGBColorSpace];
|
|
[content unlockFocus];
|
|
|
|
#endif
|
|
|
|
NSImage* image = [[[NSImage alloc] initWithSize: selectionRectangle.size] autorelease];
|
|
[image addRepresentation: bitmap];
|
|
|
|
NSImage* dragImage = [[[NSImage alloc] initWithSize: selectionRectangle.size] autorelease];
|
|
[dragImage setBackgroundColor: [NSColor clearColor]];
|
|
[dragImage lockFocus];
|
|
[image dissolveToPoint: NSMakePoint(0.0, 0.0) fraction: 0.5];
|
|
[dragImage unlockFocus];
|
|
|
|
NSPoint startPoint;
|
|
startPoint.x = selectionRectangle.origin.x;
|
|
startPoint.y = selectionRectangle.origin.y + selectionRectangle.size.height;
|
|
[content dragImage: dragImage
|
|
at: startPoint
|
|
offset: NSZeroSize
|
|
event: lastMouseEvent // Set in MouseMove.
|
|
pasteboard: pasteboard
|
|
source: content
|
|
slideBack: YES];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called when a drag operation reaches the control which was initiated outside.
|
|
*/
|
|
NSDragOperation ScintillaCocoa::DraggingEntered(id <NSDraggingInfo> info)
|
|
{
|
|
inDragDrop = ddDragging;
|
|
return DraggingUpdated(info);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called frequently during a drag operation if we are the target. Keep telling the caller
|
|
* what drag operation we accept and update the drop caret position to indicate the
|
|
* potential insertion point of the dragged data.
|
|
*/
|
|
NSDragOperation ScintillaCocoa::DraggingUpdated(id <NSDraggingInfo> info)
|
|
{
|
|
// Convert the drag location from window coordinates to view coordinates and
|
|
// from there to a text position to finally set the drag position.
|
|
Point location = ConvertPoint([info draggingLocation]);
|
|
SetDragPosition(SPositionFromLocation(location));
|
|
|
|
NSDragOperation sourceDragMask = [info draggingSourceOperationMask];
|
|
if (sourceDragMask == NSDragOperationNone)
|
|
return sourceDragMask;
|
|
|
|
NSPasteboard* pasteboard = [info draggingPasteboard];
|
|
|
|
// Return what type of operation we will perform. Prefer move over copy.
|
|
if ([[pasteboard types] containsObject: NSStringPboardType] ||
|
|
[[pasteboard types] containsObject: ScintillaRecPboardType])
|
|
return (sourceDragMask & NSDragOperationMove) ? NSDragOperationMove : NSDragOperationCopy;
|
|
|
|
if ([[pasteboard types] containsObject: NSFilenamesPboardType])
|
|
return (sourceDragMask & NSDragOperationGeneric);
|
|
return NSDragOperationNone;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Resets the current drag position as we are no longer the drag target.
|
|
*/
|
|
void ScintillaCocoa::DraggingExited(id <NSDraggingInfo> info)
|
|
{
|
|
SetDragPosition(SelectionPosition(invalidPosition));
|
|
inDragDrop = ddNone;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Here is where the real work is done. Insert the text from the pasteboard.
|
|
*/
|
|
bool ScintillaCocoa::PerformDragOperation(id <NSDraggingInfo> info)
|
|
{
|
|
NSPasteboard* pasteboard = [info draggingPasteboard];
|
|
|
|
if ([[pasteboard types] containsObject: NSFilenamesPboardType])
|
|
{
|
|
NSArray* files = [pasteboard propertyListForType: NSFilenamesPboardType];
|
|
for (NSString* uri in files)
|
|
NotifyURIDropped([uri UTF8String]);
|
|
}
|
|
else
|
|
{
|
|
SelectionText text;
|
|
GetPasteboardData(pasteboard, &text);
|
|
|
|
if (text.len > 0)
|
|
{
|
|
NSDragOperation operation = [info draggingSourceOperationMask];
|
|
bool moving = (operation & NSDragOperationMove) != 0;
|
|
|
|
DropAt(posDrag, text.s, moving, text.rectangular);
|
|
};
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::SetPasteboardData(NSPasteboard* board, const SelectionText &selectedText)
|
|
{
|
|
if (selectedText.len == 0)
|
|
return;
|
|
|
|
NSString *string;
|
|
string = [NSString stringWithUTF8String: selectedText.s];
|
|
|
|
[board declareTypes:[NSArray arrayWithObjects:
|
|
NSStringPboardType,
|
|
selectedText.rectangular ? ScintillaRecPboardType : nil,
|
|
nil] owner:nil];
|
|
|
|
if (selectedText.rectangular)
|
|
{
|
|
// This is specific to scintilla, allows us to drag rectangular selections around the document.
|
|
[board setString: string forType: ScintillaRecPboardType];
|
|
}
|
|
|
|
[board setString: string forType: NSStringPboardType];
|
|
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Helper method to retrieve the best fitting alternative from the general pasteboard.
|
|
*/
|
|
bool ScintillaCocoa::GetPasteboardData(NSPasteboard* board, SelectionText* selectedText)
|
|
{
|
|
NSArray* supportedTypes = [NSArray arrayWithObjects: ScintillaRecPboardType,
|
|
NSStringPboardType,
|
|
nil];
|
|
NSString *bestType = [board availableTypeFromArray: supportedTypes];
|
|
NSString* data = [board stringForType: bestType];
|
|
|
|
if (data != nil)
|
|
{
|
|
if (selectedText != nil)
|
|
{
|
|
char* text = (char*) [data UTF8String];
|
|
bool rectangular = bestType == ScintillaRecPboardType;
|
|
selectedText->Copy(text, strlen(text) + 1, SC_CP_UTF8, SC_CHARSET_DEFAULT , rectangular, false);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::SetMouseCapture(bool on)
|
|
{
|
|
capturedMouse = on;
|
|
/*
|
|
if (mouseDownCaptures)
|
|
{
|
|
if (capturedMouse)
|
|
WndProc(SCI_SETCURSOR, Window::cursorArrow, 0);
|
|
else
|
|
// Reset to normal. Actual image will be set on mouse move.
|
|
WndProc(SCI_SETCURSOR, (unsigned int) SC_CURSORNORMAL, 0);
|
|
}
|
|
*/
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
bool ScintillaCocoa::HaveMouseCapture()
|
|
{
|
|
return capturedMouse;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Synchronously paint a rectangle of the window.
|
|
*/
|
|
void ScintillaCocoa::SyncPaint(void* gc, PRectangle rc)
|
|
{
|
|
paintState = painting;
|
|
rcPaint = rc;
|
|
PRectangle rcText = GetTextRectangle();
|
|
paintingAllText = rcPaint.Contains(rcText);
|
|
Surface *sw = Surface::Allocate();
|
|
if (sw)
|
|
{
|
|
sw->Init(gc, wMain.GetID());
|
|
Paint(sw, rc);
|
|
if (paintState == paintAbandoned)
|
|
{
|
|
// Do a full paint.
|
|
rcPaint = GetClientRectangle();
|
|
paintState = painting;
|
|
paintingAllText = true;
|
|
Paint(sw, rcPaint);
|
|
}
|
|
sw->Release();
|
|
delete sw;
|
|
}
|
|
paintState = notPainting;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Modfies the vertical scroll position to make the current top line show up as such.
|
|
*/
|
|
void ScintillaCocoa::SetVerticalScrollPos()
|
|
{
|
|
ScintillaView* topContainer = TopContainer();
|
|
|
|
// Convert absolute coordinate into the range [0..1]. Keep in mind that the visible area
|
|
// does *not* belong to the scroll range.
|
|
float relativePosition = (float) topLine / MaxScrollPos();
|
|
[topContainer setVerticalScrollPosition: relativePosition];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::SetHorizontalScrollPos()
|
|
{
|
|
ScintillaView* topContainer = TopContainer();
|
|
PRectangle textRect = GetTextRectangle();
|
|
|
|
// Convert absolute coordinate into the range [0..1]. Keep in mind that the visible area
|
|
// does *not* belong to the scroll range.
|
|
float relativePosition = (float) xOffset / (scrollWidth - textRect.Width());
|
|
[topContainer setHorizontalScrollPosition: relativePosition];
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to adjust both scrollers to reflect the current scroll range and position in the editor.
|
|
*
|
|
* @param nMax Number of lines in the editor.
|
|
* @param nPage Number of lines per scroll page.
|
|
* @return True if there was a change, otherwise false.
|
|
*/
|
|
bool ScintillaCocoa::ModifyScrollBars(int nMax, int nPage)
|
|
{
|
|
// Input values are given in lines, not pixels, so we have to convert.
|
|
int lineHeight = WndProc(SCI_TEXTHEIGHT, 0, 0);
|
|
PRectangle bounds = GetTextRectangle();
|
|
ScintillaView* topContainer = TopContainer();
|
|
|
|
// Set page size to the same value as the scroll range to hide the scrollbar.
|
|
int scrollRange = lineHeight * (nMax + 1); // +1 because the caller subtracted one.
|
|
int pageSize;
|
|
if (verticalScrollBarVisible)
|
|
pageSize = bounds.Height();
|
|
else
|
|
pageSize = scrollRange;
|
|
bool verticalChange = [topContainer setVerticalScrollRange: scrollRange page: pageSize];
|
|
|
|
scrollRange = scrollWidth;
|
|
if (horizontalScrollBarVisible)
|
|
pageSize = bounds.Width();
|
|
else
|
|
pageSize = scrollRange;
|
|
bool horizontalChange = [topContainer setHorizontalScrollRange: scrollRange page: pageSize];
|
|
|
|
return verticalChange || horizontalChange;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::Resize()
|
|
{
|
|
ChangeSize();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called by the frontend control when the user manipulates one of the scrollers.
|
|
*
|
|
* @param position The relative position of the scroller in the range of [0..1].
|
|
* @param part Specifies which part was clicked on by the user, so we can handle thumb tracking
|
|
* as well as page and line scrolling.
|
|
* @param horizontal True if the horizontal scroller was hit, otherwise false.
|
|
*/
|
|
void ScintillaCocoa::DoScroll(float position, NSScrollerPart part, bool horizontal)
|
|
{
|
|
// If the given scroller part is not the knob (or knob slot) then the given position is not yet
|
|
// current and we have to update it.
|
|
if (horizontal)
|
|
{
|
|
// Horizontal offset is given in pixels.
|
|
PRectangle textRect = GetTextRectangle();
|
|
int offset = (int) (position * (scrollWidth - textRect.Width()));
|
|
int smallChange = (int) (textRect.Width() / 30);
|
|
if (smallChange < 5)
|
|
smallChange = 5;
|
|
switch (part)
|
|
{
|
|
case NSScrollerDecrementLine:
|
|
offset -= smallChange;
|
|
break;
|
|
case NSScrollerDecrementPage:
|
|
offset -= textRect.Width();
|
|
break;
|
|
case NSScrollerIncrementLine:
|
|
offset += smallChange;
|
|
break;
|
|
case NSScrollerIncrementPage:
|
|
offset += textRect.Width();
|
|
break;
|
|
};
|
|
HorizontalScrollTo(offset);
|
|
}
|
|
else
|
|
{
|
|
// VerticalScrolling is by line. If the user is scrolling using the knob we can directly
|
|
// set the new scroll position. Otherwise we have to compute it first.
|
|
if (part == NSScrollerKnob)
|
|
ScrollTo(position * MaxScrollPos(), false);
|
|
else
|
|
{
|
|
switch (part)
|
|
{
|
|
case NSScrollerDecrementLine:
|
|
ScrollTo(topLine - 1, true);
|
|
break;
|
|
case NSScrollerDecrementPage:
|
|
ScrollTo(topLine - LinesOnScreen(), true);
|
|
break;
|
|
case NSScrollerIncrementLine:
|
|
ScrollTo(topLine + 1, true);
|
|
break;
|
|
case NSScrollerIncrementPage:
|
|
ScrollTo(topLine + LinesOnScreen(), true);
|
|
break;
|
|
};
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to register a callback function for a given window. This is used to emulate the way
|
|
* Windows notfies other controls (mainly up in the view hierarchy) about certain events.
|
|
*
|
|
* @param windowid A handle to a window. That value is generic and can be anything. It is passed
|
|
* through to the callback.
|
|
* @param callback The callback function to be used for future notifications. If NULL then no
|
|
* notifications will be sent anymore.
|
|
*/
|
|
void ScintillaCocoa::RegisterNotifyCallback(intptr_t windowid, SciNotifyFunc callback)
|
|
{
|
|
notifyObj = windowid;
|
|
notifyProc = callback;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::NotifyChange()
|
|
{
|
|
if (notifyProc != NULL)
|
|
notifyProc(notifyObj, WM_COMMAND, (uintptr_t) (SCEN_CHANGE << 16), (uintptr_t) this);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::NotifyFocus(bool focus)
|
|
{
|
|
if (notifyProc != NULL)
|
|
notifyProc(notifyObj, WM_COMMAND, (uintptr_t) ((focus ? SCEN_SETFOCUS : SCEN_KILLFOCUS) << 16), (uintptr_t) this);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to send a notification (as WM_NOTIFY call) to the procedure, which has been set by the call
|
|
* to RegisterNotifyCallback (so it is not necessarily the parent window).
|
|
*
|
|
* @param scn The notification to send.
|
|
*/
|
|
void ScintillaCocoa::NotifyParent(SCNotification scn)
|
|
{
|
|
if (notifyProc != NULL)
|
|
{
|
|
scn.nmhdr.hwndFrom = (void*) this;
|
|
scn.nmhdr.idFrom = GetCtrlID();
|
|
notifyProc(notifyObj, WM_NOTIFY, (uintptr_t) 0, (uintptr_t) &scn);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::NotifyURIDropped(const char *uri)
|
|
{
|
|
SCNotification scn;
|
|
scn.nmhdr.code = SCN_URIDROPPED;
|
|
scn.text = uri;
|
|
|
|
NotifyParent(scn);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
bool ScintillaCocoa::HasSelection()
|
|
{
|
|
return !sel.Empty();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
bool ScintillaCocoa::CanUndo()
|
|
{
|
|
return pdoc->CanUndo();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
bool ScintillaCocoa::CanRedo()
|
|
{
|
|
return pdoc->CanRedo();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::TimerFired(NSTimer* timer)
|
|
{
|
|
Tick();
|
|
DragScroll();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::IdleTimerFired()
|
|
{
|
|
bool more = Idle();
|
|
if (!more)
|
|
SetIdle(false);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Main entry point for drawing the control.
|
|
*
|
|
* @param rect The area to paint, given in the sender's coordinate system.
|
|
* @param gc The context we can use to paint.
|
|
*/
|
|
void ScintillaCocoa::Draw(NSRect rect, CGContextRef gc)
|
|
{
|
|
SyncPaint(gc, NSRectToPRectangle(rect));
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Helper function to translate OS X key codes to Scintilla key codes.
|
|
*/
|
|
static inline UniChar KeyTranslate(UniChar unicodeChar)
|
|
{
|
|
switch (unicodeChar)
|
|
{
|
|
case NSDownArrowFunctionKey:
|
|
return SCK_DOWN;
|
|
case NSUpArrowFunctionKey:
|
|
return SCK_UP;
|
|
case NSLeftArrowFunctionKey:
|
|
return SCK_LEFT;
|
|
case NSRightArrowFunctionKey:
|
|
return SCK_RIGHT;
|
|
case NSHomeFunctionKey:
|
|
return SCK_HOME;
|
|
case NSEndFunctionKey:
|
|
return SCK_END;
|
|
case NSPageUpFunctionKey:
|
|
return SCK_PRIOR;
|
|
case NSPageDownFunctionKey:
|
|
return SCK_NEXT;
|
|
case NSDeleteFunctionKey:
|
|
return SCK_DELETE;
|
|
case NSInsertFunctionKey:
|
|
return SCK_INSERT;
|
|
case '\n':
|
|
case 3:
|
|
return SCK_RETURN;
|
|
case 27:
|
|
return SCK_ESCAPE;
|
|
case 127:
|
|
return SCK_BACK;
|
|
case '\t':
|
|
case 25: // Shift tab, return to unmodified tab and handle that via modifiers.
|
|
return SCK_TAB;
|
|
default:
|
|
return unicodeChar;
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Main keyboard input handling method. It is called for any key down event, including function keys,
|
|
* numeric keypad input and whatnot.
|
|
*
|
|
* @param event The event instance associated with the key down event.
|
|
* @return True if the input was handled, false otherwise.
|
|
*/
|
|
bool ScintillaCocoa::KeyboardInput(NSEvent* event)
|
|
{
|
|
// For now filter out function keys.
|
|
NSUInteger modifiers = [event modifierFlags];
|
|
|
|
NSString* input = [event characters];
|
|
|
|
bool control = (modifiers & NSControlKeyMask) != 0;
|
|
bool shift = (modifiers & NSShiftKeyMask) != 0;
|
|
bool command = (modifiers & NSCommandKeyMask) != 0;
|
|
bool alt = (modifiers & NSAlternateKeyMask) != 0;
|
|
|
|
bool handled = false;
|
|
|
|
// Handle each entry individually. Usually we only have one entry anway.
|
|
for (int i = 0; i < input.length; i++)
|
|
{
|
|
const UniChar originalKey = [input characterAtIndex: i];
|
|
UniChar key = KeyTranslate(originalKey);
|
|
|
|
bool consumed = false; // Consumed as command?
|
|
|
|
// Signal Control as SCMOD_META
|
|
int modifierKeys =
|
|
(shift ? SCI_SHIFT : 0) |
|
|
(command ? SCI_CTRL : 0) |
|
|
(alt ? SCI_ALT : 0) |
|
|
(control ? SCI_META : 0);
|
|
if (KeyDownWithModifiers(key, modifierKeys, &consumed))
|
|
handled = true;
|
|
if (consumed)
|
|
handled = true;
|
|
}
|
|
|
|
return handled;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Used to insert already processed text provided by the Cocoa text input system.
|
|
*/
|
|
int ScintillaCocoa::InsertText(NSString* input)
|
|
{
|
|
const char* utf8 = [input UTF8String];
|
|
AddCharUTF((char*) utf8, strlen(utf8), false);
|
|
return true;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Called by the owning view when the mouse pointer enters the control.
|
|
*/
|
|
void ScintillaCocoa::MouseEntered(NSEvent* event)
|
|
{
|
|
if (!HaveMouseCapture())
|
|
{
|
|
WndProc(SCI_SETCURSOR, (long int)SC_CURSORNORMAL, 0);
|
|
|
|
// Mouse location is given in screen coordinates and might also be outside of our bounds.
|
|
Point location = ConvertPoint([event locationInWindow]);
|
|
ButtonMove(location);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::MouseExited(NSEvent* event)
|
|
{
|
|
// Nothing to do here.
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::MouseDown(NSEvent* event)
|
|
{
|
|
Point location = ConvertPoint([event locationInWindow]);
|
|
NSTimeInterval time = [event timestamp];
|
|
bool command = ([event modifierFlags] & NSCommandKeyMask) != 0;
|
|
bool shift = ([event modifierFlags] & NSShiftKeyMask) != 0;
|
|
bool alt = ([event modifierFlags] & NSAlternateKeyMask) != 0;
|
|
|
|
ButtonDown(Point(location.x, location.y), (int) (time * 1000), shift, command, alt);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::MouseMove(NSEvent* event)
|
|
{
|
|
lastMouseEvent = event;
|
|
|
|
ButtonMove(ConvertPoint([event locationInWindow]));
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::MouseUp(NSEvent* event)
|
|
{
|
|
NSTimeInterval time = [event timestamp];
|
|
bool control = ([event modifierFlags] & NSControlKeyMask) != 0;
|
|
|
|
ButtonUp(ConvertPoint([event locationInWindow]), (int) (time * 1000), control);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::MouseWheel(NSEvent* event)
|
|
{
|
|
bool command = ([event modifierFlags] & NSCommandKeyMask) != 0;
|
|
int dX = 0;
|
|
int dY = 0;
|
|
|
|
dX = 10 * [event deltaX]; // Arbitrary scale factor.
|
|
|
|
// In order to make scrolling with larger offset smoother we scroll less lines the larger the
|
|
// delta value is.
|
|
if ([event deltaY] < 0)
|
|
dY = -(int) sqrt(-10.0 * [event deltaY]);
|
|
else
|
|
dY = (int) sqrt(10.0 * [event deltaY]);
|
|
|
|
if (command)
|
|
{
|
|
// Zoom! We play with the font sizes in the styles.
|
|
// Number of steps/line is ignored, we just care if sizing up or down.
|
|
if (dY > 0.5)
|
|
KeyCommand(SCI_ZOOMIN);
|
|
else if (dY < -0.5)
|
|
KeyCommand(SCI_ZOOMOUT);
|
|
}
|
|
else
|
|
{
|
|
HorizontalScrollTo(xOffset - dX);
|
|
ScrollTo(topLine - dY, true);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
// Helper methods for NSResponder actions.
|
|
|
|
void ScintillaCocoa::SelectAll()
|
|
{
|
|
Editor::SelectAll();
|
|
}
|
|
|
|
void ScintillaCocoa::DeleteBackward()
|
|
{
|
|
KeyDown(SCK_BACK, false, false, false, nil);
|
|
}
|
|
|
|
void ScintillaCocoa::Cut()
|
|
{
|
|
Editor::Cut();
|
|
}
|
|
|
|
void ScintillaCocoa::Undo()
|
|
{
|
|
Editor::Undo();
|
|
}
|
|
|
|
void ScintillaCocoa::Redo()
|
|
{
|
|
Editor::Redo();
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Creates and returns a popup menu, which is then displayed by the Cocoa framework.
|
|
*/
|
|
NSMenu* ScintillaCocoa::CreateContextMenu(NSEvent* event)
|
|
{
|
|
// Call ScintillaBase to create the context menu.
|
|
ContextMenu(Point(0, 0));
|
|
|
|
return reinterpret_cast<NSMenu*>(popup.GetID());
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* An intermediate function to forward context menu commands from the menu action handler to
|
|
* scintilla.
|
|
*/
|
|
void ScintillaCocoa::HandleCommand(NSInteger command)
|
|
{
|
|
Command(command);
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
void ScintillaCocoa::ActiveStateChanged(bool isActive)
|
|
{
|
|
// If the window is being deactivated, lose the focus and turn off the ticking
|
|
if (!isActive) {
|
|
DropCaret();
|
|
//SetFocusState( false );
|
|
SetTicking( false );
|
|
} else {
|
|
ShowCaretAtCurrentPosition();
|
|
}
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|