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notepad-plus-plus/scintilla/gtk/ScintillaGTK.cxx

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// Scintilla source code edit control
// ScintillaGTK.cxx - GTK+ specific subclass of ScintillaBase
// Copyright 1998-2004 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <new>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <time.h>
#include <string>
#include <vector>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "Platform.h"
#if PLAT_GTK_WIN32
#include "windows.h"
#endif
#include "Scintilla.h"
#include "ScintillaWidget.h"
#ifdef SCI_LEXER
#include "SciLexer.h"
#include "PropSet.h"
#include "PropSetSimple.h"
#include "Accessor.h"
#include "KeyWords.h"
#endif
#include "SVector.h"
#include "SplitVector.h"
#include "Partitioning.h"
#include "RunStyles.h"
#include "ContractionState.h"
#include "CellBuffer.h"
#include "CallTip.h"
#include "KeyMap.h"
#include "Indicator.h"
#include "XPM.h"
#include "LineMarker.h"
#include "Style.h"
#include "AutoComplete.h"
#include "ViewStyle.h"
#include "Decoration.h"
#include "CharClassify.h"
#include "Document.h"
#include "Selection.h"
#include "PositionCache.h"
#include "Editor.h"
#include "ScintillaBase.h"
#include "UniConversion.h"
#include "gtk/gtksignal.h"
#include "gtk/gtkmarshal.h"
#include "scintilla-marshal.h"
#ifdef SCI_LEXER
#include <glib.h>
#include <gmodule.h>
#include "ExternalLexer.h"
#endif
#include "Converter.h"
#ifdef _MSC_VER
// Constant conditional expressions are because of GTK+ headers
#pragma warning(disable: 4127)
// Ignore unreferenced local functions in GTK+ headers
#pragma warning(disable: 4505)
#endif
#if GTK_CHECK_VERSION(2,6,0)
#define USE_GTK_CLIPBOARD
#endif
#define OBJECT_CLASS GObjectClass
#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif
extern char *UTF8FromLatin1(const char *s, int &len);
class ScintillaGTK : public ScintillaBase {
_ScintillaObject *sci;
Window wText;
Window scrollbarv;
Window scrollbarh;
GtkObject *adjustmentv;
GtkObject *adjustmenth;
int scrollBarWidth;
int scrollBarHeight;
// Because clipboard access is asynchronous, copyText is created by Copy
#ifndef USE_GTK_CLIPBOARD
SelectionText copyText;
#endif
SelectionText primary;
GdkEventButton evbtn;
bool capturedMouse;
bool dragWasDropped;
int lastKey;
int rectangularSelectionModifier;
GtkWidgetClass *parentClass;
static GdkAtom atomClipboard;
static GdkAtom atomUTF8;
static GdkAtom atomString;
static GdkAtom atomUriList;
static GdkAtom atomDROPFILES_DND;
GdkAtom atomSought;
#if PLAT_GTK_WIN32
CLIPFORMAT cfColumnSelect;
#endif
Window wPreedit;
Window wPreeditDraw;
GtkIMContext *im_context;
// Wheel mouse support
unsigned int linesPerScroll;
GTimeVal lastWheelMouseTime;
gint lastWheelMouseDirection;
gint wheelMouseIntensity;
GdkRegion *rgnUpdate;
// Private so ScintillaGTK objects can not be copied
ScintillaGTK(const ScintillaGTK &);
ScintillaGTK &operator=(const ScintillaGTK &);
public:
ScintillaGTK(_ScintillaObject *sci_);
virtual ~ScintillaGTK();
static void ClassInit(OBJECT_CLASS* object_class, GtkWidgetClass *widget_class, GtkContainerClass *container_class);
private:
virtual void Initialise();
virtual void Finalise();
virtual void DisplayCursor(Window::Cursor c);
virtual bool DragThreshold(Point ptStart, Point ptNow);
virtual void StartDrag();
int TargetAsUTF8(char *text);
int EncodedFromUTF8(char *utf8, char *encoded);
virtual bool ValidCodePage(int codePage) const;
public: // Public for scintilla_send_message
virtual sptr_t WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam);
private:
virtual sptr_t DefWndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam);
virtual void SetTicking(bool on);
virtual bool SetIdle(bool on);
virtual void SetMouseCapture(bool on);
virtual bool HaveMouseCapture();
virtual bool PaintContains(PRectangle rc);
void FullPaint();
virtual PRectangle GetClientRectangle();
void SyncPaint(PRectangle rc);
virtual void ScrollText(int linesToMove);
virtual void SetVerticalScrollPos();
virtual void SetHorizontalScrollPos();
virtual bool ModifyScrollBars(int nMax, int nPage);
void ReconfigureScrollBars();
virtual void NotifyChange();
virtual void NotifyFocus(bool focus);
virtual void NotifyParent(SCNotification scn);
void NotifyKey(int key, int modifiers);
void NotifyURIDropped(const char *list);
const char *CharacterSetID() const;
virtual CaseFolder *CaseFolderForEncoding();
virtual std::string CaseMapString(const std::string &s, int caseMapping);
virtual int KeyDefault(int key, int modifiers);
virtual void CopyToClipboard(const SelectionText &selectedText);
virtual void Copy();
virtual void Paste();
virtual void CreateCallTipWindow(PRectangle rc);
virtual void AddToPopUp(const char *label, int cmd = 0, bool enabled = true);
bool OwnPrimarySelection();
virtual void ClaimSelection();
void GetGtkSelectionText(GtkSelectionData *selectionData, SelectionText &selText);
void ReceivedSelection(GtkSelectionData *selection_data);
void ReceivedDrop(GtkSelectionData *selection_data);
static void GetSelection(GtkSelectionData *selection_data, guint info, SelectionText *selected);
#ifdef USE_GTK_CLIPBOARD
void StoreOnClipboard(SelectionText *clipText);
static void ClipboardGetSelection(GtkClipboard* clip, GtkSelectionData *selection_data, guint info, void *data);
static void ClipboardClearSelection(GtkClipboard* clip, void *data);
#endif
void UnclaimSelection(GdkEventSelection *selection_event);
void Resize(int width, int height);
// Callback functions
void RealizeThis(GtkWidget *widget);
static void Realize(GtkWidget *widget);
void UnRealizeThis(GtkWidget *widget);
static void UnRealize(GtkWidget *widget);
void MapThis();
static void Map(GtkWidget *widget);
void UnMapThis();
static void UnMap(GtkWidget *widget);
static gint CursorMoved(GtkWidget *widget, int xoffset, int yoffset, ScintillaGTK *sciThis);
gint FocusInThis(GtkWidget *widget);
static gint FocusIn(GtkWidget *widget, GdkEventFocus *event);
gint FocusOutThis(GtkWidget *widget);
static gint FocusOut(GtkWidget *widget, GdkEventFocus *event);
static void SizeRequest(GtkWidget *widget, GtkRequisition *requisition);
static void SizeAllocate(GtkWidget *widget, GtkAllocation *allocation);
gint Expose(GtkWidget *widget, GdkEventExpose *ose);
static gint ExposeMain(GtkWidget *widget, GdkEventExpose *ose);
static void Draw(GtkWidget *widget, GdkRectangle *area);
void ForAll(GtkCallback callback, gpointer callback_data);
static void MainForAll(GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data);
static void ScrollSignal(GtkAdjustment *adj, ScintillaGTK *sciThis);
static void ScrollHSignal(GtkAdjustment *adj, ScintillaGTK *sciThis);
gint PressThis(GdkEventButton *event);
static gint Press(GtkWidget *widget, GdkEventButton *event);
static gint MouseRelease(GtkWidget *widget, GdkEventButton *event);
static gint ScrollEvent(GtkWidget *widget, GdkEventScroll *event);
static gint Motion(GtkWidget *widget, GdkEventMotion *event);
gboolean KeyThis(GdkEventKey *event);
static gboolean KeyPress(GtkWidget *widget, GdkEventKey *event);
static gboolean KeyRelease(GtkWidget *widget, GdkEventKey *event);
gboolean ExposePreeditThis(GtkWidget *widget, GdkEventExpose *ose);
static gboolean ExposePreedit(GtkWidget *widget, GdkEventExpose *ose, ScintillaGTK *sciThis);
void CommitThis(char *str);
static void Commit(GtkIMContext *context, char *str, ScintillaGTK *sciThis);
void PreeditChangedThis();
static void PreeditChanged(GtkIMContext *context, ScintillaGTK *sciThis);
static gint StyleSetText(GtkWidget *widget, GtkStyle *previous, void*);
static gint RealizeText(GtkWidget *widget, void*);
static void Destroy(GObject *object);
static void SelectionReceived(GtkWidget *widget, GtkSelectionData *selection_data,
guint time);
static void SelectionGet(GtkWidget *widget, GtkSelectionData *selection_data,
guint info, guint time);
static gint SelectionClear(GtkWidget *widget, GdkEventSelection *selection_event);
static void DragBegin(GtkWidget *widget, GdkDragContext *context);
gboolean DragMotionThis(GdkDragContext *context, gint x, gint y, guint dragtime);
static gboolean DragMotion(GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint dragtime);
static void DragLeave(GtkWidget *widget, GdkDragContext *context,
guint time);
static void DragEnd(GtkWidget *widget, GdkDragContext *context);
static gboolean Drop(GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint time);
static void DragDataReceived(GtkWidget *widget, GdkDragContext *context,
gint x, gint y, GtkSelectionData *selection_data, guint info, guint time);
static void DragDataGet(GtkWidget *widget, GdkDragContext *context,
GtkSelectionData *selection_data, guint info, guint time);
static gint TimeOut(ScintillaGTK *sciThis);
static gboolean IdleCallback(ScintillaGTK *sciThis);
static gboolean StyleIdle(ScintillaGTK *sciThis);
virtual void QueueStyling(int upTo);
static void PopUpCB(ScintillaGTK *sciThis, guint action, GtkWidget *widget);
gint ExposeTextThis(GtkWidget *widget, GdkEventExpose *ose);
static gint ExposeText(GtkWidget *widget, GdkEventExpose *ose, ScintillaGTK *sciThis);
static gint ExposeCT(GtkWidget *widget, GdkEventExpose *ose, CallTip *ct);
static gint PressCT(GtkWidget *widget, GdkEventButton *event, ScintillaGTK *sciThis);
static sptr_t DirectFunction(ScintillaGTK *sciThis,
unsigned int iMessage, uptr_t wParam, sptr_t lParam);
};
enum {
COMMAND_SIGNAL,
NOTIFY_SIGNAL,
LAST_SIGNAL
};
static gint scintilla_signals[LAST_SIGNAL] = { 0 };
enum {
TARGET_STRING,
TARGET_TEXT,
TARGET_COMPOUND_TEXT,
TARGET_UTF8_STRING,
TARGET_URI
};
GdkAtom ScintillaGTK::atomClipboard = 0;
GdkAtom ScintillaGTK::atomUTF8 = 0;
GdkAtom ScintillaGTK::atomString = 0;
GdkAtom ScintillaGTK::atomUriList = 0;
GdkAtom ScintillaGTK::atomDROPFILES_DND = 0;
static const GtkTargetEntry clipboardCopyTargets[] = {
{ (gchar *) "UTF8_STRING", 0, TARGET_UTF8_STRING },
{ (gchar *) "STRING", 0, TARGET_STRING },
};
static const gint nClipboardCopyTargets = sizeof(clipboardCopyTargets) / sizeof(clipboardCopyTargets[0]);
static const GtkTargetEntry clipboardPasteTargets[] = {
{ (gchar *) "text/uri-list", 0, TARGET_URI },
{ (gchar *) "UTF8_STRING", 0, TARGET_UTF8_STRING },
{ (gchar *) "STRING", 0, TARGET_STRING },
};
static const gint nClipboardPasteTargets = sizeof(clipboardPasteTargets) / sizeof(clipboardPasteTargets[0]);
static GtkWidget *PWidget(Window &w) {
return reinterpret_cast<GtkWidget *>(w.GetID());
}
static ScintillaGTK *ScintillaFromWidget(GtkWidget *widget) {
ScintillaObject *scio = reinterpret_cast<ScintillaObject *>(widget);
return reinterpret_cast<ScintillaGTK *>(scio->pscin);
}
ScintillaGTK::ScintillaGTK(_ScintillaObject *sci_) :
adjustmentv(0), adjustmenth(0),
scrollBarWidth(30), scrollBarHeight(30),
capturedMouse(false), dragWasDropped(false),
lastKey(0), rectangularSelectionModifier(SCMOD_CTRL), parentClass(0),
im_context(NULL),
lastWheelMouseDirection(0),
wheelMouseIntensity(0),
rgnUpdate(0) {
sci = sci_;
wMain = GTK_WIDGET(sci);
#if PLAT_GTK_WIN32
rectangularSelectionModifier = SCMOD_ALT;
#else
rectangularSelectionModifier = SCMOD_CTRL;
#endif
#if PLAT_GTK_WIN32
// There does not seem to be a real standard for indicating that the clipboard
// contains a rectangular selection, so copy Developer Studio.
cfColumnSelect = static_cast<CLIPFORMAT>(
::RegisterClipboardFormat("MSDEVColumnSelect"));
// Get intellimouse parameters when running on win32; otherwise use
// reasonable default
#ifndef SPI_GETWHEELSCROLLLINES
#define SPI_GETWHEELSCROLLLINES 104
#endif
::SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &linesPerScroll, 0);
#else
linesPerScroll = 4;
#endif
lastWheelMouseTime.tv_sec = 0;
lastWheelMouseTime.tv_usec = 0;
Initialise();
}
ScintillaGTK::~ScintillaGTK() {
}
void ScintillaGTK::RealizeThis(GtkWidget *widget) {
//Platform::DebugPrintf("ScintillaGTK::realize this\n");
GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
GdkWindowAttr attrs;
attrs.window_type = GDK_WINDOW_CHILD;
attrs.x = widget->allocation.x;
attrs.y = widget->allocation.y;
attrs.width = widget->allocation.width;
attrs.height = widget->allocation.height;
attrs.wclass = GDK_INPUT_OUTPUT;
attrs.visual = gtk_widget_get_visual(widget);
attrs.colormap = gtk_widget_get_colormap(widget);
attrs.event_mask = gtk_widget_get_events(widget) | GDK_EXPOSURE_MASK;
GdkCursor *cursor = gdk_cursor_new(GDK_XTERM);
attrs.cursor = cursor;
widget->window = gdk_window_new(gtk_widget_get_parent_window(widget), &attrs,
GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP | GDK_WA_CURSOR);
gdk_window_set_user_data(widget->window, widget);
gdk_window_set_background(widget->window, &widget->style->bg[GTK_STATE_NORMAL]);
gdk_window_show(widget->window);
gdk_cursor_destroy(cursor);
widget->style = gtk_style_attach(widget->style, widget->window);
wPreedit = gtk_window_new(GTK_WINDOW_POPUP);
wPreeditDraw = gtk_drawing_area_new();
GtkWidget *predrw = PWidget(wPreeditDraw); // No code inside the G_OBJECT macro
g_signal_connect(G_OBJECT(predrw), "expose_event",
G_CALLBACK(ExposePreedit), this);
gtk_container_add(GTK_CONTAINER(PWidget(wPreedit)), predrw);
gtk_widget_realize(PWidget(wPreedit));
gtk_widget_realize(predrw);
gtk_widget_show(predrw);
im_context = gtk_im_multicontext_new();
g_signal_connect(G_OBJECT(im_context), "commit",
G_CALLBACK(Commit), this);
g_signal_connect(G_OBJECT(im_context), "preedit_changed",
G_CALLBACK(PreeditChanged), this);
gtk_im_context_set_client_window(im_context, widget->window);
GtkWidget *widtxt = PWidget(wText); // // No code inside the G_OBJECT macro
g_signal_connect_after(G_OBJECT(widtxt), "style_set",
G_CALLBACK(ScintillaGTK::StyleSetText), NULL);
g_signal_connect_after(G_OBJECT(widtxt), "realize",
G_CALLBACK(ScintillaGTK::RealizeText), NULL);
gtk_widget_realize(widtxt);
gtk_widget_realize(PWidget(scrollbarv));
gtk_widget_realize(PWidget(scrollbarh));
}
void ScintillaGTK::Realize(GtkWidget *widget) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
sciThis->RealizeThis(widget);
}
void ScintillaGTK::UnRealizeThis(GtkWidget *widget) {
try {
if (GTK_WIDGET_MAPPED(widget)) {
gtk_widget_unmap(widget);
}
GTK_WIDGET_UNSET_FLAGS(widget, GTK_REALIZED);
gtk_widget_unrealize(PWidget(wText));
gtk_widget_unrealize(PWidget(scrollbarv));
gtk_widget_unrealize(PWidget(scrollbarh));
gtk_widget_unrealize(PWidget(wPreedit));
gtk_widget_unrealize(PWidget(wPreeditDraw));
g_object_unref(im_context);
im_context = NULL;
if (GTK_WIDGET_CLASS(parentClass)->unrealize)
GTK_WIDGET_CLASS(parentClass)->unrealize(widget);
Finalise();
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::UnRealize(GtkWidget *widget) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
sciThis->UnRealizeThis(widget);
}
static void MapWidget(GtkWidget *widget) {
if (widget &&
GTK_WIDGET_VISIBLE(widget) &&
!GTK_WIDGET_MAPPED(widget)) {
gtk_widget_map(widget);
}
}
void ScintillaGTK::MapThis() {
try {
//Platform::DebugPrintf("ScintillaGTK::map this\n");
GTK_WIDGET_SET_FLAGS(PWidget(wMain), GTK_MAPPED);
MapWidget(PWidget(wText));
MapWidget(PWidget(scrollbarh));
MapWidget(PWidget(scrollbarv));
wMain.SetCursor(Window::cursorArrow);
scrollbarv.SetCursor(Window::cursorArrow);
scrollbarh.SetCursor(Window::cursorArrow);
ChangeSize();
gdk_window_show(PWidget(wMain)->window);
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::Map(GtkWidget *widget) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
sciThis->MapThis();
}
void ScintillaGTK::UnMapThis() {
try {
//Platform::DebugPrintf("ScintillaGTK::unmap this\n");
GTK_WIDGET_UNSET_FLAGS(PWidget(wMain), GTK_MAPPED);
DropGraphics();
gdk_window_hide(PWidget(wMain)->window);
gtk_widget_unmap(PWidget(wText));
gtk_widget_unmap(PWidget(scrollbarh));
gtk_widget_unmap(PWidget(scrollbarv));
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::UnMap(GtkWidget *widget) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
sciThis->UnMapThis();
}
void ScintillaGTK::ForAll(GtkCallback callback, gpointer callback_data) {
try {
(*callback) (PWidget(wText), callback_data);
(*callback) (PWidget(scrollbarv), callback_data);
(*callback) (PWidget(scrollbarh), callback_data);
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::MainForAll(GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) {
ScintillaGTK *sciThis = ScintillaFromWidget((GtkWidget *)container);
if (callback != NULL && include_internals) {
sciThis->ForAll(callback, callback_data);
}
}
gint ScintillaGTK::CursorMoved(GtkWidget *, int xoffset, int yoffset, ScintillaGTK *sciThis) {
GdkRectangle area;
area.x = xoffset;
area.y = yoffset;
area.width = 1;
area.height = 1;
gtk_im_context_set_cursor_location(sciThis->im_context, &area);
return FALSE;
}
gint ScintillaGTK::FocusInThis(GtkWidget *widget) {
try {
GTK_WIDGET_SET_FLAGS(widget, GTK_HAS_FOCUS);
SetFocusState(true);
if (im_context != NULL) {
gchar *str = NULL;
gint cursor_pos;
gtk_im_context_get_preedit_string(im_context, &str, NULL, &cursor_pos);
if (PWidget(wPreedit) != NULL) {
if (strlen(str) > 0) {
gtk_widget_show(PWidget(wPreedit));
} else {
gtk_widget_hide(PWidget(wPreedit));
}
}
g_free(str);
gtk_im_context_focus_in(im_context);
}
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
gint ScintillaGTK::FocusIn(GtkWidget *widget, GdkEventFocus * /*event*/) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
return sciThis->FocusInThis(widget);
}
gint ScintillaGTK::FocusOutThis(GtkWidget *widget) {
try {
GTK_WIDGET_UNSET_FLAGS(widget, GTK_HAS_FOCUS);
SetFocusState(false);
if (PWidget(wPreedit) != NULL)
gtk_widget_hide(PWidget(wPreedit));
if (im_context != NULL)
gtk_im_context_focus_out(im_context);
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
gint ScintillaGTK::FocusOut(GtkWidget *widget, GdkEventFocus * /*event*/) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
return sciThis->FocusOutThis(widget);
}
void ScintillaGTK::SizeRequest(GtkWidget *widget, GtkRequisition *requisition) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
requisition->width = 600;
requisition->height = gdk_screen_height();
GtkRequisition child_requisition;
gtk_widget_size_request(PWidget(sciThis->scrollbarh), &child_requisition);
gtk_widget_size_request(PWidget(sciThis->scrollbarv), &child_requisition);
}
void ScintillaGTK::SizeAllocate(GtkWidget *widget, GtkAllocation *allocation) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
widget->allocation = *allocation;
if (GTK_WIDGET_REALIZED(widget))
gdk_window_move_resize(widget->window,
widget->allocation.x,
widget->allocation.y,
widget->allocation.width,
widget->allocation.height);
sciThis->Resize(allocation->width, allocation->height);
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::Initialise() {
//Platform::DebugPrintf("ScintillaGTK::Initialise\n");
parentClass = reinterpret_cast<GtkWidgetClass *>(
gtk_type_class(gtk_container_get_type()));
GTK_WIDGET_SET_FLAGS(PWidget(wMain), GTK_CAN_FOCUS);
GTK_WIDGET_SET_FLAGS(GTK_WIDGET(PWidget(wMain)), GTK_SENSITIVE);
gtk_widget_set_events(PWidget(wMain),
GDK_EXPOSURE_MASK
| GDK_STRUCTURE_MASK
| GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
| GDK_FOCUS_CHANGE_MASK
| GDK_LEAVE_NOTIFY_MASK
| GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
| GDK_POINTER_MOTION_MASK
| GDK_POINTER_MOTION_HINT_MASK);
wText = gtk_drawing_area_new();
gtk_widget_set_parent(PWidget(wText), PWidget(wMain));
GtkWidget *widtxt = PWidget(wText); // No code inside the G_OBJECT macro
gtk_widget_show(widtxt);
g_signal_connect(G_OBJECT(widtxt), "expose_event",
G_CALLBACK(ScintillaGTK::ExposeText), this);
gtk_widget_set_events(widtxt, GDK_EXPOSURE_MASK);
// Avoid background drawing flash
gtk_widget_set_double_buffered(widtxt, FALSE);
gtk_drawing_area_size(GTK_DRAWING_AREA(widtxt),
100,100);
adjustmentv = gtk_adjustment_new(0.0, 0.0, 201.0, 1.0, 20.0, 20.0);
scrollbarv = gtk_vscrollbar_new(GTK_ADJUSTMENT(adjustmentv));
GTK_WIDGET_UNSET_FLAGS(PWidget(scrollbarv), GTK_CAN_FOCUS);
g_signal_connect(G_OBJECT(adjustmentv), "value_changed",
G_CALLBACK(ScrollSignal), this);
gtk_widget_set_parent(PWidget(scrollbarv), PWidget(wMain));
gtk_widget_show(PWidget(scrollbarv));
adjustmenth = gtk_adjustment_new(0.0, 0.0, 101.0, 1.0, 20.0, 20.0);
scrollbarh = gtk_hscrollbar_new(GTK_ADJUSTMENT(adjustmenth));
GTK_WIDGET_UNSET_FLAGS(PWidget(scrollbarh), GTK_CAN_FOCUS);
g_signal_connect(G_OBJECT(adjustmenth), "value_changed",
G_CALLBACK(ScrollHSignal), this);
gtk_widget_set_parent(PWidget(scrollbarh), PWidget(wMain));
gtk_widget_show(PWidget(scrollbarh));
gtk_widget_grab_focus(PWidget(wMain));
gtk_selection_add_targets(GTK_WIDGET(PWidget(wMain)), GDK_SELECTION_PRIMARY,
clipboardCopyTargets, nClipboardCopyTargets);
#ifndef USE_GTK_CLIPBOARD
gtk_selection_add_targets(GTK_WIDGET(PWidget(wMain)), atomClipboard,
clipboardPasteTargets, nClipboardPasteTargets);
#endif
gtk_drag_dest_set(GTK_WIDGET(PWidget(wMain)),
GTK_DEST_DEFAULT_ALL, clipboardPasteTargets, nClipboardPasteTargets,
static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE));
// Set caret period based on GTK settings
gboolean blinkOn = false;
if (g_object_class_find_property(G_OBJECT_GET_CLASS(
G_OBJECT(gtk_settings_get_default())), "gtk-cursor-blink")) {
g_object_get(G_OBJECT(
gtk_settings_get_default()), "gtk-cursor-blink", &blinkOn, NULL);
}
if (blinkOn &&
g_object_class_find_property(G_OBJECT_GET_CLASS(
G_OBJECT(gtk_settings_get_default())), "gtk-cursor-blink-time")) {
gint value;
g_object_get(G_OBJECT(
gtk_settings_get_default()), "gtk-cursor-blink-time", &value, NULL);
caret.period = gint(value / 1.75);
} else {
caret.period = 0;
}
SetTicking(true);
}
void ScintillaGTK::Finalise() {
SetTicking(false);
ScintillaBase::Finalise();
}
void ScintillaGTK::DisplayCursor(Window::Cursor c) {
if (cursorMode == SC_CURSORNORMAL)
wText.SetCursor(c);
else
wText.SetCursor(static_cast<Window::Cursor>(cursorMode));
}
bool ScintillaGTK::DragThreshold(Point ptStart, Point ptNow) {
return gtk_drag_check_threshold(GTK_WIDGET(PWidget(wMain)),
ptStart.x, ptStart.y, ptNow.x, ptNow.y);
}
void ScintillaGTK::StartDrag() {
dragWasDropped = false;
inDragDrop = ddDragging;
GtkTargetList *tl = gtk_target_list_new(clipboardCopyTargets, nClipboardCopyTargets);
gtk_drag_begin(GTK_WIDGET(PWidget(wMain)),
tl,
static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE),
evbtn.button,
reinterpret_cast<GdkEvent *>(&evbtn));
}
static char *ConvertText(int *lenResult, char *s, size_t len, const char *charSetDest,
const char *charSetSource, bool transliterations, bool silent=false) {
// s is not const because of different versions of iconv disagreeing about const
*lenResult = 0;
char *destForm = 0;
Converter conv(charSetDest, charSetSource, transliterations);
if (conv) {
destForm = new char[len*3+1];
char *pin = s;
size_t inLeft = len;
char *pout = destForm;
size_t outLeft = len*3+1;
size_t conversions = conv.Convert(&pin, &inLeft, &pout, &outLeft);
if (conversions == ((size_t)(-1))) {
if (!silent)
fprintf(stderr, "iconv %s->%s failed for %s\n",
charSetSource, charSetDest, static_cast<char *>(s));
delete []destForm;
destForm = 0;
} else {
//fprintf(stderr, "iconv OK %s %d\n", destForm, pout - destForm);
*pout = '\0';
*lenResult = pout - destForm;
}
} else {
fprintf(stderr, "Can not iconv %s %s\n", charSetDest, charSetSource);
}
if (!destForm) {
destForm = new char[1];
destForm[0] = '\0';
*lenResult = 0;
}
return destForm;
}
// Returns the target converted to UTF8.
// Return the length in bytes.
int ScintillaGTK::TargetAsUTF8(char *text) {
int targetLength = targetEnd - targetStart;
if (IsUnicodeMode()) {
if (text) {
pdoc->GetCharRange(text, targetStart, targetLength);
}
} else {
// Need to convert
const char *charSetBuffer = CharacterSetID();
if (*charSetBuffer) {
//~ fprintf(stderr, "AsUTF8 %s %d %0d-%0d\n", charSetBuffer, targetLength, targetStart, targetEnd);
char *s = new char[targetLength];
if (s) {
pdoc->GetCharRange(s, targetStart, targetLength);
//~ fprintf(stderr, " \"%s\"\n", s);
if (text) {
char *tmputf = ConvertText(&targetLength, s, targetLength, "UTF-8", charSetBuffer, false);
memcpy(text, tmputf, targetLength);
delete []tmputf;
//~ fprintf(stderr, " \"%s\"\n", text);
}
delete []s;
}
} else {
if (text) {
pdoc->GetCharRange(text, targetStart, targetLength);
}
}
}
//~ fprintf(stderr, "Length = %d bytes\n", targetLength);
return targetLength;
}
// Translates a nul terminated UTF8 string into the document encoding.
// Return the length of the result in bytes.
int ScintillaGTK::EncodedFromUTF8(char *utf8, char *encoded) {
int inputLength = (lengthForEncode >= 0) ? lengthForEncode : strlen(utf8);
if (IsUnicodeMode()) {
if (encoded) {
memcpy(encoded, utf8, inputLength);
}
return inputLength;
} else {
// Need to convert
const char *charSetBuffer = CharacterSetID();
if (*charSetBuffer) {
int outLength = 0;
char *tmpEncoded = ConvertText(&outLength, utf8, inputLength, charSetBuffer, "UTF-8", true);
if (tmpEncoded) {
if (encoded) {
memcpy(encoded, tmpEncoded, outLength);
}
delete []tmpEncoded;
}
return outLength;
} else {
if (encoded) {
memcpy(encoded, utf8, inputLength);
}
return inputLength;
}
}
// Fail
return 0;
}
bool ScintillaGTK::ValidCodePage(int codePage) const {
return codePage == 0
|| codePage == SC_CP_UTF8
|| codePage == 932
|| codePage == 936
|| codePage == 950
|| codePage == SC_CP_DBCS;
}
sptr_t ScintillaGTK::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
try {
switch (iMessage) {
case SCI_GRABFOCUS:
gtk_widget_grab_focus(PWidget(wMain));
break;
case SCI_GETDIRECTFUNCTION:
return reinterpret_cast<sptr_t>(DirectFunction);
case SCI_GETDIRECTPOINTER:
return reinterpret_cast<sptr_t>(this);
#ifdef SCI_LEXER
case SCI_LOADLEXERLIBRARY:
LexerManager::GetInstance()->Load(reinterpret_cast<const char*>(lParam));
break;
#endif
case SCI_TARGETASUTF8:
return TargetAsUTF8(reinterpret_cast<char*>(lParam));
case SCI_ENCODEDFROMUTF8:
return EncodedFromUTF8(reinterpret_cast<char*>(wParam),
reinterpret_cast<char*>(lParam));
case SCI_SETRECTANGULARSELECTIONMODIFIER:
rectangularSelectionModifier = wParam;
break;
case SCI_GETRECTANGULARSELECTIONMODIFIER:
return rectangularSelectionModifier;
default:
return ScintillaBase::WndProc(iMessage, wParam, lParam);
}
} catch (std::bad_alloc&) {
errorStatus = SC_STATUS_BADALLOC;
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return 0l;
}
sptr_t ScintillaGTK::DefWndProc(unsigned int, uptr_t, sptr_t) {
return 0;
}
void ScintillaGTK::SetTicking(bool on) {
if (timer.ticking != on) {
timer.ticking = on;
if (timer.ticking) {
timer.tickerID = reinterpret_cast<TickerID>(gtk_timeout_add(timer.tickSize, (GtkFunction)TimeOut, this));
} else {
gtk_timeout_remove(GPOINTER_TO_UINT(timer.tickerID));
}
}
timer.ticksToWait = caret.period;
}
bool ScintillaGTK::SetIdle(bool on) {
if (on) {
// Start idler, if it's not running.
if (!idler.state) {
idler.state = true;
idler.idlerID = reinterpret_cast<IdlerID>(
g_idle_add_full(G_PRIORITY_DEFAULT_IDLE,
reinterpret_cast<GSourceFunc>(IdleCallback), this, NULL));
}
} else {
// Stop idler, if it's running
if (idler.state) {
idler.state = false;
g_source_remove(GPOINTER_TO_UINT(idler.idlerID));
}
}
return true;
}
void ScintillaGTK::SetMouseCapture(bool on) {
if (mouseDownCaptures) {
if (on) {
gtk_grab_add(GTK_WIDGET(PWidget(wMain)));
} else {
gtk_grab_remove(GTK_WIDGET(PWidget(wMain)));
}
}
capturedMouse = on;
}
bool ScintillaGTK::HaveMouseCapture() {
return capturedMouse;
}
bool ScintillaGTK::PaintContains(PRectangle rc) {
bool contains = true;
if (paintState == painting) {
if (!rcPaint.Contains(rc)) {
contains = false;
} else if (rgnUpdate) {
GdkRectangle grc = {rc.left, rc.top,
rc.right - rc.left, rc.bottom - rc.top};
if (gdk_region_rect_in(rgnUpdate, &grc) != GDK_OVERLAP_RECTANGLE_IN) {
contains = false;
}
}
}
return contains;
}
// Redraw all of text area. This paint will not be abandoned.
void ScintillaGTK::FullPaint() {
wText.InvalidateAll();
}
PRectangle ScintillaGTK::GetClientRectangle() {
PRectangle rc = wMain.GetClientPosition();
if (verticalScrollBarVisible)
rc.right -= scrollBarWidth;
if (horizontalScrollBarVisible && (wrapState == eWrapNone))
rc.bottom -= scrollBarHeight;
// Move to origin
rc.right -= rc.left;
rc.bottom -= rc.top;
rc.left = 0;
rc.top = 0;
return rc;
}
// Synchronously paint a rectangle of the window.
void ScintillaGTK::SyncPaint(PRectangle rc) {
paintState = painting;
rcPaint = rc;
PRectangle rcClient = GetClientRectangle();
paintingAllText = rcPaint.Contains(rcClient);
if ((PWidget(wText))->window) {
Surface *sw = Surface::Allocate();
if (sw) {
sw->Init(PWidget(wText)->window, PWidget(wText));
Paint(sw, rc);
sw->Release();
delete sw;
}
}
if (paintState == paintAbandoned) {
// Painting area was insufficient to cover new styling or brace highlight positions
FullPaint();
}
paintState = notPainting;
}
void ScintillaGTK::ScrollText(int linesToMove) {
int diff = vs.lineHeight * -linesToMove;
//Platform::DebugPrintf("ScintillaGTK::ScrollText %d %d %0d,%0d %0d,%0d\n", linesToMove, diff,
// rc.left, rc.top, rc.right, rc.bottom);
GtkWidget *wi = PWidget(wText);
gdk_window_scroll(wi->window, 0, -diff);
gdk_window_process_updates(wi->window, FALSE);
}
void ScintillaGTK::SetVerticalScrollPos() {
DwellEnd(true);
gtk_adjustment_set_value(GTK_ADJUSTMENT(adjustmentv), topLine);
}
void ScintillaGTK::SetHorizontalScrollPos() {
DwellEnd(true);
gtk_adjustment_set_value(GTK_ADJUSTMENT(adjustmenth), xOffset / 2);
}
bool ScintillaGTK::ModifyScrollBars(int nMax, int nPage) {
bool modified = false;
int pageScroll = LinesToScroll();
if (GTK_ADJUSTMENT(adjustmentv)->upper != (nMax + 1) ||
GTK_ADJUSTMENT(adjustmentv)->page_size != nPage ||
GTK_ADJUSTMENT(adjustmentv)->page_increment != pageScroll) {
GTK_ADJUSTMENT(adjustmentv)->upper = nMax + 1;
GTK_ADJUSTMENT(adjustmentv)->page_size = nPage;
GTK_ADJUSTMENT(adjustmentv)->page_increment = pageScroll;
gtk_adjustment_changed(GTK_ADJUSTMENT(adjustmentv));
modified = true;
}
PRectangle rcText = GetTextRectangle();
int horizEndPreferred = scrollWidth;
if (horizEndPreferred < 0)
horizEndPreferred = 0;
unsigned int pageWidth = rcText.Width();
unsigned int pageIncrement = pageWidth / 3;
unsigned int charWidth = vs.styles[STYLE_DEFAULT].aveCharWidth;
if (GTK_ADJUSTMENT(adjustmenth)->upper != horizEndPreferred ||
GTK_ADJUSTMENT(adjustmenth)->page_size != pageWidth ||
GTK_ADJUSTMENT(adjustmenth)->page_increment != pageIncrement ||
GTK_ADJUSTMENT(adjustmenth)->step_increment != charWidth) {
GTK_ADJUSTMENT(adjustmenth)->upper = horizEndPreferred;
GTK_ADJUSTMENT(adjustmenth)->step_increment = charWidth;
GTK_ADJUSTMENT(adjustmenth)->page_size = pageWidth;
GTK_ADJUSTMENT(adjustmenth)->page_increment = pageIncrement;
gtk_adjustment_changed(GTK_ADJUSTMENT(adjustmenth));
modified = true;
}
return modified;
}
void ScintillaGTK::ReconfigureScrollBars() {
PRectangle rc = wMain.GetClientPosition();
Resize(rc.Width(), rc.Height());
}
void ScintillaGTK::NotifyChange() {
g_signal_emit(G_OBJECT(sci), scintilla_signals[COMMAND_SIGNAL], 0,
Platform::LongFromTwoShorts(GetCtrlID(), SCEN_CHANGE), PWidget(wMain));
}
void ScintillaGTK::NotifyFocus(bool focus) {
g_signal_emit(G_OBJECT(sci), scintilla_signals[COMMAND_SIGNAL], 0,
Platform::LongFromTwoShorts
(GetCtrlID(), focus ? SCEN_SETFOCUS : SCEN_KILLFOCUS), PWidget(wMain));
}
void ScintillaGTK::NotifyParent(SCNotification scn) {
scn.nmhdr.hwndFrom = PWidget(wMain);
scn.nmhdr.idFrom = GetCtrlID();
g_signal_emit(G_OBJECT(sci), scintilla_signals[NOTIFY_SIGNAL], 0,
GetCtrlID(), &scn);
}
void ScintillaGTK::NotifyKey(int key, int modifiers) {
SCNotification scn = {0};
scn.nmhdr.code = SCN_KEY;
scn.ch = key;
scn.modifiers = modifiers;
NotifyParent(scn);
}
void ScintillaGTK::NotifyURIDropped(const char *list) {
SCNotification scn = {0};
scn.nmhdr.code = SCN_URIDROPPED;
scn.text = list;
NotifyParent(scn);
}
const char *CharacterSetID(int characterSet);
const char *ScintillaGTK::CharacterSetID() const {
return ::CharacterSetID(vs.styles[STYLE_DEFAULT].characterSet);
}
class CaseFolderUTF8 : public CaseFolderTable {
public:
CaseFolderUTF8() {
StandardASCII();
}
virtual size_t Fold(char *folded, size_t sizeFolded, const char *mixed, size_t lenMixed) {
if ((lenMixed == 1) && (sizeFolded > 0)) {
folded[0] = mapping[static_cast<unsigned char>(mixed[0])];
return 1;
} else {
gchar *mapped = g_utf8_casefold(mixed, lenMixed);
size_t lenMapped = strlen(mapped);
if (lenMapped < sizeFolded) {
memcpy(folded, mapped, lenMapped);
} else {
lenMapped = 0;
}
g_free(mapped);
return lenMapped;
}
}
};
CaseFolder *ScintillaGTK::CaseFolderForEncoding() {
if (pdoc->dbcsCodePage == SC_CP_UTF8) {
return new CaseFolderUTF8();
} else {
CaseFolderTable *pcf = new CaseFolderTable();
const char *charSetBuffer = CharacterSetID();
if ((pdoc->dbcsCodePage == 0) && charSetBuffer) {
pcf->StandardASCII();
// Only for single byte encodings
for (int i=0x80; i<0x100; i++) {
char sCharacter[2] = "A";
sCharacter[0] = i;
int convertedLength = 1;
const char *sUTF8 = ConvertText(&convertedLength, sCharacter, 1,
"UTF-8", charSetBuffer, false);
if (sUTF8) {
gchar *mapped = g_utf8_casefold(sUTF8, strlen(sUTF8));
if (mapped) {
int mappedLength = strlen(mapped);
const char *mappedBack = ConvertText(&mappedLength, mapped,
mappedLength, charSetBuffer, "UTF-8", false, true);
if (mappedBack && (strlen(mappedBack) == 1) && (mappedBack[0] != sCharacter[0])) {
pcf->SetTranslation(sCharacter[0], mappedBack[0]);
}
delete []mappedBack;
g_free(mapped);
}
}
delete []sUTF8;
}
}
return pcf;
}
}
std::string ScintillaGTK::CaseMapString(const std::string &s, int caseMapping) {
if (s.size() == 0)
return std::string();
if (caseMapping == cmSame)
return s;
const char *needsFree1 = 0; // Must be freed with delete []
const char *charSetBuffer = CharacterSetID();
const char *sUTF8 = s.c_str();
int rangeBytes = s.size();
int convertedLength = rangeBytes;
// Change text to UTF-8
if (!IsUnicodeMode()) {
// Need to convert
if (*charSetBuffer) {
sUTF8 = ConvertText(&convertedLength, const_cast<char *>(s.c_str()), rangeBytes,
"UTF-8", charSetBuffer, false);
needsFree1 = sUTF8;
}
}
gchar *mapped; // Must be freed with g_free
if (caseMapping == cmUpper) {
mapped = g_utf8_strup(sUTF8, convertedLength);
} else {
mapped = g_utf8_strdown(sUTF8, convertedLength);
}
int mappedLength = strlen(mapped);
char *mappedBack = mapped;
char *needsFree2 = 0; // Must be freed with delete []
if (!IsUnicodeMode()) {
if (*charSetBuffer) {
mappedBack = ConvertText(&mappedLength, mapped, mappedLength, charSetBuffer, "UTF-8", false);
needsFree2 = mappedBack;
}
}
std::string ret(mappedBack, mappedLength);
g_free(mapped);
delete []needsFree1;
delete []needsFree2;
return ret;
}
int ScintillaGTK::KeyDefault(int key, int modifiers) {
if (!(modifiers & SCI_CTRL) && !(modifiers & SCI_ALT)) {
if (key < 256) {
NotifyKey(key, modifiers);
return 0;
} else {
// Pass up to container in case it is an accelerator
NotifyKey(key, modifiers);
return 0;
}
} else {
// Pass up to container in case it is an accelerator
NotifyKey(key, modifiers);
return 0;
}
//Platform::DebugPrintf("SK-key: %d %x %x\n",key, modifiers);
}
void ScintillaGTK::CopyToClipboard(const SelectionText &selectedText) {
#ifndef USE_GTK_CLIPBOARD
copyText.Copy(selectedText);
gtk_selection_owner_set(GTK_WIDGET(PWidget(wMain)),
atomClipboard,
GDK_CURRENT_TIME);
#else
SelectionText *clipText = new SelectionText();
clipText->Copy(selectedText);
StoreOnClipboard(clipText);
#endif
}
void ScintillaGTK::Copy() {
if (!sel.Empty()) {
#ifndef USE_GTK_CLIPBOARD
CopySelectionRange(&copyText);
gtk_selection_owner_set(GTK_WIDGET(PWidget(wMain)),
atomClipboard,
GDK_CURRENT_TIME);
#else
SelectionText *clipText = new SelectionText();
CopySelectionRange(clipText);
StoreOnClipboard(clipText);
#endif
#if PLAT_GTK_WIN32
if (sel.IsRectangular()) {
::OpenClipboard(NULL);
::SetClipboardData(cfColumnSelect, 0);
::CloseClipboard();
}
#endif
}
}
void ScintillaGTK::Paste() {
atomSought = atomUTF8;
gtk_selection_convert(GTK_WIDGET(PWidget(wMain)),
atomClipboard, atomSought, GDK_CURRENT_TIME);
}
void ScintillaGTK::CreateCallTipWindow(PRectangle rc) {
if (!ct.wCallTip.Created()) {
ct.wCallTip = gtk_window_new(GTK_WINDOW_POPUP);
ct.wDraw = gtk_drawing_area_new();
GtkWidget *widcdrw = PWidget(ct.wDraw); // // No code inside the G_OBJECT macro
gtk_container_add(GTK_CONTAINER(PWidget(ct.wCallTip)), widcdrw);
g_signal_connect(G_OBJECT(widcdrw), "expose_event",
G_CALLBACK(ScintillaGTK::ExposeCT), &ct);
g_signal_connect(G_OBJECT(widcdrw), "button_press_event",
G_CALLBACK(ScintillaGTK::PressCT), static_cast<void *>(this));
gtk_widget_set_events(widcdrw,
GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK);
}
gtk_drawing_area_size(GTK_DRAWING_AREA(PWidget(ct.wDraw)),
rc.Width(), rc.Height());
ct.wDraw.Show();
if (PWidget(ct.wCallTip)->window) {
gdk_window_resize(PWidget(ct.wCallTip)->window, rc.Width(), rc.Height());
}
}
void ScintillaGTK::AddToPopUp(const char *label, int cmd, bool enabled) {
char fulllabel[200];
strcpy(fulllabel, "/");
strcat(fulllabel, label);
GtkItemFactoryCallback menuSig = GtkItemFactoryCallback(PopUpCB);
GtkItemFactoryEntry itemEntry = {
fulllabel, NULL,
menuSig,
cmd,
const_cast<gchar *>(label[0] ? "<Item>" : "<Separator>"),
NULL
};
gtk_item_factory_create_item(GTK_ITEM_FACTORY(popup.GetID()),
&itemEntry, this, 1);
if (cmd) {
GtkWidget *item = gtk_item_factory_get_widget_by_action(
reinterpret_cast<GtkItemFactory *>(popup.GetID()), cmd);
if (item)
gtk_widget_set_sensitive(item, enabled);
}
}
bool ScintillaGTK::OwnPrimarySelection() {
return ((gdk_selection_owner_get(GDK_SELECTION_PRIMARY)
== GTK_WIDGET(PWidget(wMain))->window) &&
(GTK_WIDGET(PWidget(wMain))->window != NULL));
}
void ScintillaGTK::ClaimSelection() {
// X Windows has a 'primary selection' as well as the clipboard.
// Whenever the user selects some text, we become the primary selection
if (!sel.Empty() && GTK_WIDGET_REALIZED(GTK_WIDGET(PWidget(wMain)))) {
primarySelection = true;
gtk_selection_owner_set(GTK_WIDGET(PWidget(wMain)),
GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME);
primary.Free();
} else if (OwnPrimarySelection()) {
primarySelection = true;
if (primary.s == NULL)
gtk_selection_owner_set(NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME);
} else {
primarySelection = false;
primary.Free();
}
}
// Detect rectangular text, convert line ends to current mode, convert from or to UTF-8
void ScintillaGTK::GetGtkSelectionText(GtkSelectionData *selectionData, SelectionText &selText) {
char *data = reinterpret_cast<char *>(selectionData->data);
int len = selectionData->length;
GdkAtom selectionTypeData = selectionData->type;
// Return empty string if selection is not a string
if ((selectionTypeData != GDK_TARGET_STRING) && (selectionTypeData != atomUTF8)) {
char *empty = new char[1];
empty[0] = '\0';
selText.Set(empty, 0, SC_CP_UTF8, 0, false, false);
return;
}
// Check for "\n\0" ending to string indicating that selection is rectangular
bool isRectangular;
#if PLAT_GTK_WIN32
isRectangular = ::IsClipboardFormatAvailable(cfColumnSelect) != 0;
#else
isRectangular = ((len > 2) && (data[len - 1] == 0 && data[len - 2] == '\n'));
if (isRectangular)
len--; // Forget the extra '\0'
#endif
char *dest;
if (selectionTypeData == GDK_TARGET_STRING) {
dest = Document::TransformLineEnds(&len, data, len, pdoc->eolMode);
if (IsUnicodeMode()) {
// Unknown encoding so assume in Latin1
char *destPrevious = dest;
dest = UTF8FromLatin1(dest, len);
selText.Set(dest, len, SC_CP_UTF8, 0, selText.rectangular, false);
delete []destPrevious;
} else {
// Assume buffer is in same encoding as selection
selText.Set(dest, len, pdoc->dbcsCodePage,
vs.styles[STYLE_DEFAULT].characterSet, isRectangular, false);
}
} else { // UTF-8
dest = Document::TransformLineEnds(&len, data, len, pdoc->eolMode);
selText.Set(dest, len, SC_CP_UTF8, 0, isRectangular, false);
const char *charSetBuffer = CharacterSetID();
if (!IsUnicodeMode() && *charSetBuffer) {
// Convert to locale
dest = ConvertText(&len, selText.s, selText.len, charSetBuffer, "UTF-8", true);
selText.Set(dest, len, pdoc->dbcsCodePage,
vs.styles[STYLE_DEFAULT].characterSet, selText.rectangular, false);
}
}
}
void ScintillaGTK::ReceivedSelection(GtkSelectionData *selection_data) {
try {
if ((selection_data->selection == atomClipboard) ||
(selection_data->selection == GDK_SELECTION_PRIMARY)) {
if ((atomSought == atomUTF8) && (selection_data->length <= 0)) {
atomSought = atomString;
gtk_selection_convert(GTK_WIDGET(PWidget(wMain)),
selection_data->selection, atomSought, GDK_CURRENT_TIME);
} else if ((selection_data->length > 0) &&
((selection_data->type == GDK_TARGET_STRING) || (selection_data->type == atomUTF8))) {
SelectionText selText;
GetGtkSelectionText(selection_data, selText);
UndoGroup ug(pdoc);
if (selection_data->selection != GDK_SELECTION_PRIMARY) {
ClearSelection();
}
SelectionPosition selStart = sel.IsRectangular() ?
sel.Rectangular().Start() :
sel.Range(sel.Main()).Start();
if (selText.rectangular) {
PasteRectangular(selStart, selText.s, selText.len);
} else {
InsertPaste(selStart, selText.s, selText.len);
}
EnsureCaretVisible();
}
}
// else fprintf(stderr, "Target non string %d %d\n", (int)(selection_data->type),
// (int)(atomUTF8));
Redraw();
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::ReceivedDrop(GtkSelectionData *selection_data) {
dragWasDropped = true;
if (selection_data->type == atomUriList || selection_data->type == atomDROPFILES_DND) {
char *ptr = new char[selection_data->length + 1];
ptr[selection_data->length] = '\0';
memcpy(ptr, selection_data->data, selection_data->length);
NotifyURIDropped(ptr);
delete []ptr;
} else if ((selection_data->type == GDK_TARGET_STRING) || (selection_data->type == atomUTF8)) {
if (selection_data->length > 0) {
SelectionText selText;
GetGtkSelectionText(selection_data, selText);
DropAt(posDrop, selText.s, false, selText.rectangular);
}
} else if (selection_data->length > 0) {
//~ fprintf(stderr, "ReceivedDrop other %p\n", static_cast<void *>(selection_data->type));
}
Redraw();
}
void ScintillaGTK::GetSelection(GtkSelectionData *selection_data, guint info, SelectionText *text) {
#if PLAT_GTK_WIN32
// GDK on Win32 expands any \n into \r\n, so make a copy of
// the clip text now with newlines converted to \n. Use { } to hide symbols
// from code below
SelectionText *newline_normalized = NULL;
{
int tmpstr_len;
char *tmpstr = Document::TransformLineEnds(&tmpstr_len, text->s, text->len, SC_EOL_LF);
newline_normalized = new SelectionText();
newline_normalized->Set(tmpstr, tmpstr_len, SC_CP_UTF8, 0, text->rectangular, false);
text = newline_normalized;
}
#endif
// Convert text to utf8 if it isn't already
SelectionText *converted = 0;
if ((text->codePage != SC_CP_UTF8) && (info == TARGET_UTF8_STRING)) {
const char *charSet = ::CharacterSetID(text->characterSet);
if (*charSet) {
int new_len;
char* tmputf = ConvertText(&new_len, text->s, text->len, "UTF-8", charSet, false);
converted = new SelectionText();
converted->Set(tmputf, new_len, SC_CP_UTF8, 0, text->rectangular, false);
text = converted;
}
}
// Here is a somewhat evil kludge.
// As I can not work out how to store data on the clipboard in multiple formats
// and need some way to mark the clipping as being stream or rectangular,
// the terminating \0 is included in the length for rectangular clippings.
// All other tested aplications behave benignly by ignoring the \0.
// The #if is here because on Windows cfColumnSelect clip entry is used
// instead as standard indicator of rectangularness (so no need to kludge)
const char *textData = text->s ? text->s : "";
int len = strlen(textData);
#if PLAT_GTK_WIN32 == 0
if (text->rectangular)
len++;
#endif
if (info == TARGET_UTF8_STRING) {
gtk_selection_data_set_text(selection_data, textData, len);
} else {
gtk_selection_data_set(selection_data,
static_cast<GdkAtom>(GDK_SELECTION_TYPE_STRING),
8, reinterpret_cast<const unsigned char *>(textData), len);
}
delete converted;
#if PLAT_GTK_WIN32
delete newline_normalized;
#endif
}
#ifdef USE_GTK_CLIPBOARD
void ScintillaGTK::StoreOnClipboard(SelectionText *clipText) {
GtkClipboard *clipBoard =
gtk_widget_get_clipboard(GTK_WIDGET(PWidget(wMain)), atomClipboard);
if (clipBoard == NULL) // Occurs if widget isn't in a toplevel
return;
if (gtk_clipboard_set_with_data(clipBoard, clipboardCopyTargets, nClipboardCopyTargets,
ClipboardGetSelection, ClipboardClearSelection, clipText)) {
gtk_clipboard_set_can_store(clipBoard, clipboardCopyTargets, nClipboardCopyTargets);
}
}
void ScintillaGTK::ClipboardGetSelection(GtkClipboard *, GtkSelectionData *selection_data, guint info, void *data) {
GetSelection(selection_data, info, static_cast<SelectionText*>(data));
}
void ScintillaGTK::ClipboardClearSelection(GtkClipboard *, void *data) {
SelectionText *obj = static_cast<SelectionText*>(data);
delete obj;
}
#endif
void ScintillaGTK::UnclaimSelection(GdkEventSelection *selection_event) {
try {
//Platform::DebugPrintf("UnclaimSelection\n");
if (selection_event->selection == GDK_SELECTION_PRIMARY) {
//Platform::DebugPrintf("UnclaimPrimarySelection\n");
if (!OwnPrimarySelection()) {
primary.Free();
primarySelection = false;
FullPaint();
}
}
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::Resize(int width, int height) {
//Platform::DebugPrintf("Resize %d %d\n", width, height);
//printf("Resize %d %d\n", width, height);
// Not always needed, but some themes can have different sizes of scrollbars
scrollBarWidth = GTK_WIDGET(PWidget(scrollbarv))->requisition.width;
scrollBarHeight = GTK_WIDGET(PWidget(scrollbarh))->requisition.height;
// These allocations should never produce negative sizes as they would wrap around to huge
// unsigned numbers inside GTK+ causing warnings.
bool showSBHorizontal = horizontalScrollBarVisible && (wrapState == eWrapNone);
int horizontalScrollBarHeight = scrollBarHeight;
if (!showSBHorizontal)
horizontalScrollBarHeight = 0;
GtkAllocation alloc;
if (showSBHorizontal) {
gtk_widget_show(GTK_WIDGET(PWidget(scrollbarh)));
alloc.x = 0;
alloc.y = height - scrollBarHeight;
alloc.width = Platform::Maximum(1, width - scrollBarWidth) + 1;
alloc.height = horizontalScrollBarHeight;
gtk_widget_size_allocate(GTK_WIDGET(PWidget(scrollbarh)), &alloc);
} else {
gtk_widget_hide(GTK_WIDGET(PWidget(scrollbarh)));
}
if (verticalScrollBarVisible) {
gtk_widget_show(GTK_WIDGET(PWidget(scrollbarv)));
alloc.x = width - scrollBarWidth;
alloc.y = 0;
alloc.width = scrollBarWidth;
alloc.height = Platform::Maximum(1, height - scrollBarHeight) + 1;
if (!showSBHorizontal)
alloc.height += scrollBarWidth-1;
gtk_widget_size_allocate(GTK_WIDGET(PWidget(scrollbarv)), &alloc);
} else {
gtk_widget_hide(GTK_WIDGET(PWidget(scrollbarv)));
}
if (GTK_WIDGET_MAPPED(PWidget(wMain))) {
ChangeSize();
}
alloc.x = 0;
alloc.y = 0;
alloc.width = Platform::Maximum(1, width - scrollBarWidth);
alloc.height = Platform::Maximum(1, height - scrollBarHeight);
if (!showSBHorizontal)
alloc.height += scrollBarHeight;
if (!verticalScrollBarVisible)
alloc.width += scrollBarWidth;
gtk_widget_size_allocate(GTK_WIDGET(PWidget(wText)), &alloc);
}
static void SetAdjustmentValue(GtkObject *object, int value) {
GtkAdjustment *adjustment = GTK_ADJUSTMENT(object);
int maxValue = static_cast<int>(
adjustment->upper - adjustment->page_size);
if (value > maxValue)
value = maxValue;
if (value < 0)
value = 0;
gtk_adjustment_set_value(adjustment, value);
}
static int modifierTranslated(int sciModifier) {
switch (sciModifier) {
case SCMOD_SHIFT:
return GDK_SHIFT_MASK;
case SCMOD_CTRL:
return GDK_CONTROL_MASK;
case SCMOD_ALT:
return GDK_MOD1_MASK;
case SCMOD_SUPER:
return GDK_MOD4_MASK;
default:
return 0;
}
}
gint ScintillaGTK::PressThis(GdkEventButton *event) {
try {
//Platform::DebugPrintf("Press %x time=%d state = %x button = %x\n",this,event->time, event->state, event->button);
// Do not use GTK+ double click events as Scintilla has its own double click detection
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
evbtn = *event;
Point pt;
pt.x = int(event->x);
pt.y = int(event->y);
PRectangle rcClient = GetClientRectangle();
//Platform::DebugPrintf("Press %0d,%0d in %0d,%0d %0d,%0d\n",
// pt.x, pt.y, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
if ((pt.x > rcClient.right) || (pt.y > rcClient.bottom)) {
Platform::DebugPrintf("Bad location\n");
return FALSE;
}
bool ctrl = (event->state & GDK_CONTROL_MASK) != 0;
gtk_widget_grab_focus(PWidget(wMain));
if (event->button == 1) {
// On X, instead of sending literal modifiers use the user specified
// modifier, defaulting to control instead of alt.
// This is because most X window managers grab alt + click for moving
ButtonDown(pt, event->time,
(event->state & GDK_SHIFT_MASK) != 0,
(event->state & GDK_CONTROL_MASK) != 0,
(event->state & modifierTranslated(rectangularSelectionModifier)) != 0);
} else if (event->button == 2) {
// Grab the primary selection if it exists
SelectionPosition pos = SPositionFromLocation(pt, false, false, UserVirtualSpace());
if (OwnPrimarySelection() && primary.s == NULL)
CopySelectionRange(&primary);
sel.Clear();
SetSelection(pos, pos);
atomSought = atomUTF8;
gtk_selection_convert(GTK_WIDGET(PWidget(wMain)), GDK_SELECTION_PRIMARY,
atomSought, event->time);
} else if (event->button == 3) {
if (displayPopupMenu) {
// PopUp menu
// Convert to screen
int ox = 0;
int oy = 0;
gdk_window_get_origin(PWidget(wMain)->window, &ox, &oy);
ContextMenu(Point(pt.x + ox, pt.y + oy));
} else {
return FALSE;
}
} else if (event->button == 4) {
// Wheel scrolling up (only GTK 1.x does it this way)
if (ctrl)
SetAdjustmentValue(adjustmenth, (xOffset / 2) - 6);
else
SetAdjustmentValue(adjustmentv, topLine - 3);
} else if (event->button == 5) {
// Wheel scrolling down (only GTK 1.x does it this way)
if (ctrl)
SetAdjustmentValue(adjustmenth, (xOffset / 2) + 6);
else
SetAdjustmentValue(adjustmentv, topLine + 3);
}
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return TRUE;
}
gint ScintillaGTK::Press(GtkWidget *widget, GdkEventButton *event) {
if (event->window != widget->window)
return FALSE;
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
return sciThis->PressThis(event);
}
gint ScintillaGTK::MouseRelease(GtkWidget *widget, GdkEventButton *event) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
//Platform::DebugPrintf("Release %x %d %d\n",sciThis,event->time,event->state);
if (!sciThis->HaveMouseCapture())
return FALSE;
if (event->button == 1) {
Point pt;
pt.x = int(event->x);
pt.y = int(event->y);
//Platform::DebugPrintf("Up %x %x %d %d %d\n",
// sciThis,event->window,event->time, pt.x, pt.y);
if (event->window != PWidget(sciThis->wMain)->window)
// If mouse released on scroll bar then the position is relative to the
// scrollbar, not the drawing window so just repeat the most recent point.
pt = sciThis->ptMouseLast;
sciThis->ButtonUp(pt, event->time, (event->state & 4) != 0);
}
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
// win32gtk and GTK >= 2 use SCROLL_* events instead of passing the
// button4/5/6/7 events to the GTK app
gint ScintillaGTK::ScrollEvent(GtkWidget *widget,
GdkEventScroll *event) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
if (widget == NULL || event == NULL)
return FALSE;
// Compute amount and direction to scroll (even tho on win32 there is
// intensity of scrolling info in the native message, gtk doesn't
// support this so we simulate similarly adaptive scrolling)
// Note that this is disabled on OS X (Darwin) where the X11 server already has
// and adaptive scrolling algorithm that fights with this one
int cLineScroll;
#if defined(__MWERKS__) || defined(__APPLE_CPP__) || defined(__APPLE_CC__)
cLineScroll = sciThis->linesPerScroll;
if (cLineScroll == 0)
cLineScroll = 4;
sciThis->wheelMouseIntensity = cLineScroll;
#else
int timeDelta = 1000000;
GTimeVal curTime;
g_get_current_time(&curTime);
if (curTime.tv_sec == sciThis->lastWheelMouseTime.tv_sec)
timeDelta = curTime.tv_usec - sciThis->lastWheelMouseTime.tv_usec;
else if (curTime.tv_sec == sciThis->lastWheelMouseTime.tv_sec + 1)
timeDelta = 1000000 + (curTime.tv_usec - sciThis->lastWheelMouseTime.tv_usec);
if ((event->direction == sciThis->lastWheelMouseDirection) && (timeDelta < 250000)) {
if (sciThis->wheelMouseIntensity < 12)
sciThis->wheelMouseIntensity++;
cLineScroll = sciThis->wheelMouseIntensity;
} else {
cLineScroll = sciThis->linesPerScroll;
if (cLineScroll == 0)
cLineScroll = 4;
sciThis->wheelMouseIntensity = cLineScroll;
}
#endif
if (event->direction == GDK_SCROLL_UP || event->direction == GDK_SCROLL_LEFT) {
cLineScroll *= -1;
}
g_get_current_time(&sciThis->lastWheelMouseTime);
sciThis->lastWheelMouseDirection = event->direction;
// Note: Unpatched versions of win32gtk don't set the 'state' value so
// only regular scrolling is supported there. Also, unpatched win32gtk
// issues spurious button 2 mouse events during wheeling, which can cause
// problems (a patch for both was submitted by archaeopteryx.com on 13Jun2001)
// Data zoom not supported
if (event->state & GDK_SHIFT_MASK) {
return FALSE;
}
// Horizontal scrolling
if (event->direction == GDK_SCROLL_LEFT || event->direction == GDK_SCROLL_RIGHT) {
sciThis->HorizontalScrollTo(sciThis->xOffset + cLineScroll);
// Text font size zoom
} else if (event->state & GDK_CONTROL_MASK) {
if (cLineScroll < 0) {
sciThis->KeyCommand(SCI_ZOOMIN);
} else {
sciThis->KeyCommand(SCI_ZOOMOUT);
}
// Regular scrolling
} else {
sciThis->ScrollTo(sciThis->topLine + cLineScroll);
}
return TRUE;
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
gint ScintillaGTK::Motion(GtkWidget *widget, GdkEventMotion *event) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
//Platform::DebugPrintf("Motion %x %d\n",sciThis,event->time);
if (event->window != widget->window)
return FALSE;
int x = 0;
int y = 0;
GdkModifierType state;
if (event->is_hint) {
gdk_window_get_pointer(event->window, &x, &y, &state);
} else {
x = static_cast<int>(event->x);
y = static_cast<int>(event->y);
state = static_cast<GdkModifierType>(event->state);
}
//Platform::DebugPrintf("Move %x %x %d %c %d %d\n",
// sciThis,event->window,event->time,event->is_hint? 'h' :'.', x, y);
Point pt(x, y);
sciThis->ButtonMove(pt);
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
// Map the keypad keys to their equivalent functions
static int KeyTranslate(int keyIn) {
switch (keyIn) {
case GDK_ISO_Left_Tab:
return SCK_TAB;
case GDK_KP_Down:
return SCK_DOWN;
case GDK_KP_Up:
return SCK_UP;
case GDK_KP_Left:
return SCK_LEFT;
case GDK_KP_Right:
return SCK_RIGHT;
case GDK_KP_Home:
return SCK_HOME;
case GDK_KP_End:
return SCK_END;
case GDK_KP_Page_Up:
return SCK_PRIOR;
case GDK_KP_Page_Down:
return SCK_NEXT;
case GDK_KP_Delete:
return SCK_DELETE;
case GDK_KP_Insert:
return SCK_INSERT;
case GDK_KP_Enter:
return SCK_RETURN;
case GDK_Down:
return SCK_DOWN;
case GDK_Up:
return SCK_UP;
case GDK_Left:
return SCK_LEFT;
case GDK_Right:
return SCK_RIGHT;
case GDK_Home:
return SCK_HOME;
case GDK_End:
return SCK_END;
case GDK_Page_Up:
return SCK_PRIOR;
case GDK_Page_Down:
return SCK_NEXT;
case GDK_Delete:
return SCK_DELETE;
case GDK_Insert:
return SCK_INSERT;
case GDK_Escape:
return SCK_ESCAPE;
case GDK_BackSpace:
return SCK_BACK;
case GDK_Tab:
return SCK_TAB;
case GDK_Return:
return SCK_RETURN;
case GDK_KP_Add:
return SCK_ADD;
case GDK_KP_Subtract:
return SCK_SUBTRACT;
case GDK_KP_Divide:
return SCK_DIVIDE;
case GDK_Super_L:
return SCK_WIN;
case GDK_Super_R:
return SCK_RWIN;
case GDK_Menu:
return SCK_MENU;
default:
return keyIn;
}
}
gboolean ScintillaGTK::KeyThis(GdkEventKey *event) {
try {
//fprintf(stderr, "SC-key: %d %x [%s]\n",
// event->keyval, event->state, (event->length > 0) ? event->string : "empty");
if (gtk_im_context_filter_keypress(im_context, event)) {
return 1;
}
if (!event->keyval) {
return true;
}
bool shift = (event->state & GDK_SHIFT_MASK) != 0;
bool ctrl = (event->state & GDK_CONTROL_MASK) != 0;
bool alt = (event->state & GDK_MOD1_MASK) != 0;
guint key = event->keyval;
if (ctrl && (key < 128))
key = toupper(key);
else if (!ctrl && (key >= GDK_KP_Multiply && key <= GDK_KP_9))
key &= 0x7F;
// Hack for keys over 256 and below command keys but makes Hungarian work.
// This will have to change for Unicode
else if (key >= 0xFE00)
key = KeyTranslate(key);
bool consumed = false;
bool added = KeyDown(key, shift, ctrl, alt, &consumed) != 0;
if (!consumed)
consumed = added;
//fprintf(stderr, "SK-key: %d %x %x\n",event->keyval, event->state, consumed);
if (event->keyval == 0xffffff && event->length > 0) {
ClearSelection();
if (pdoc->InsertCString(CurrentPosition(), event->string)) {
MovePositionTo(CurrentPosition() + event->length);
}
}
return consumed;
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
gboolean ScintillaGTK::KeyPress(GtkWidget *widget, GdkEventKey *event) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
return sciThis->KeyThis(event);
}
gboolean ScintillaGTK::KeyRelease(GtkWidget *, GdkEventKey * /*event*/) {
//Platform::DebugPrintf("SC-keyrel: %d %x %3s\n",event->keyval, event->state, event->string);
return FALSE;
}
gboolean ScintillaGTK::ExposePreeditThis(GtkWidget *widget, GdkEventExpose *ose) {
try {
gchar *str;
gint cursor_pos;
PangoAttrList *attrs;
gtk_im_context_get_preedit_string(im_context, &str, &attrs, &cursor_pos);
PangoLayout *layout = gtk_widget_create_pango_layout(PWidget(wText), str);
pango_layout_set_attributes(layout, attrs);
GdkGC *gc = gdk_gc_new(widget->window);
GdkColor color[2] = { {0, 0x0000, 0x0000, 0x0000},
{0, 0xffff, 0xffff, 0xffff}
};
gdk_color_alloc(gdk_colormap_get_system(), color);
gdk_color_alloc(gdk_colormap_get_system(), color + 1);
gdk_gc_set_foreground(gc, color + 1);
gdk_draw_rectangle(widget->window, gc, TRUE, ose->area.x, ose->area.y,
ose->area.width, ose->area.height);
gdk_gc_set_foreground(gc, color);
gdk_gc_set_background(gc, color + 1);
gdk_draw_layout(widget->window, gc, 0, 0, layout);
gdk_gc_unref(gc);
g_free(str);
pango_attr_list_unref(attrs);
g_object_unref(layout);
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return TRUE;
}
gboolean ScintillaGTK::ExposePreedit(GtkWidget *widget, GdkEventExpose *ose, ScintillaGTK *sciThis) {
return sciThis->ExposePreeditThis(widget, ose);
}
void ScintillaGTK::CommitThis(char *utfVal) {
try {
//~ fprintf(stderr, "Commit '%s'\n", utfVal);
if (IsUnicodeMode()) {
AddCharUTF(utfVal, strlen(utfVal));
} else {
const char *source = CharacterSetID();
if (*source) {
Converter conv(source, "UTF-8", true);
if (conv) {
char localeVal[4] = "\0\0\0";
char *pin = utfVal;
size_t inLeft = strlen(utfVal);
char *pout = localeVal;
size_t outLeft = sizeof(localeVal);
size_t conversions = conv.Convert(&pin, &inLeft, &pout, &outLeft);
if (conversions != ((size_t)(-1))) {
*pout = '\0';
for (int i = 0; localeVal[i]; i++) {
AddChar(localeVal[i]);
}
} else {
fprintf(stderr, "Conversion failed '%s'\n", utfVal);
}
}
}
}
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::Commit(GtkIMContext *, char *str, ScintillaGTK *sciThis) {
sciThis->CommitThis(str);
}
void ScintillaGTK::PreeditChangedThis() {
try {
gchar *str;
PangoAttrList *attrs;
gint cursor_pos;
gtk_im_context_get_preedit_string(im_context, &str, &attrs, &cursor_pos);
if (strlen(str) > 0) {
PangoLayout *layout = gtk_widget_create_pango_layout(PWidget(wText), str);
pango_layout_set_attributes(layout, attrs);
gint w, h;
pango_layout_get_pixel_size(layout, &w, &h);
g_object_unref(layout);
gint x, y;
gdk_window_get_origin((PWidget(wText))->window, &x, &y);
Point pt = PointMainCaret();
if (pt.x < 0)
pt.x = 0;
if (pt.y < 0)
pt.y = 0;
gtk_window_move(GTK_WINDOW(PWidget(wPreedit)), x + pt.x, y + pt.y);
gtk_window_resize(GTK_WINDOW(PWidget(wPreedit)), w, h);
gtk_widget_show(PWidget(wPreedit));
gtk_widget_queue_draw_area(PWidget(wPreeditDraw), 0, 0, w, h);
} else {
gtk_widget_hide(PWidget(wPreedit));
}
g_free(str);
pango_attr_list_unref(attrs);
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::PreeditChanged(GtkIMContext *, ScintillaGTK *sciThis) {
sciThis->PreeditChangedThis();
}
gint ScintillaGTK::StyleSetText(GtkWidget *widget, GtkStyle *, void*) {
if (widget->window != NULL)
gdk_window_set_back_pixmap(widget->window, NULL, FALSE);
return FALSE;
}
gint ScintillaGTK::RealizeText(GtkWidget *widget, void*) {
if (widget->window != NULL)
gdk_window_set_back_pixmap(widget->window, NULL, FALSE);
return FALSE;
}
void ScintillaGTK::Destroy(GObject *object) {
try {
ScintillaObject *scio = reinterpret_cast<ScintillaObject *>(object);
// This avoids a double destruction
if (!scio->pscin)
return;
ScintillaGTK *sciThis = reinterpret_cast<ScintillaGTK *>(scio->pscin);
//Platform::DebugPrintf("Destroying %x %x\n", sciThis, object);
sciThis->Finalise();
delete sciThis;
scio->pscin = 0;
} catch (...) {
// Its dead so nowhere to save the status
}
}
static void DrawChild(GtkWidget *widget, GdkRectangle *area) {
GdkRectangle areaIntersect;
if (widget &&
GTK_WIDGET_DRAWABLE(widget) &&
gtk_widget_intersect(widget, area, &areaIntersect)) {
gtk_widget_draw(widget, &areaIntersect);
}
}
void ScintillaGTK::Draw(GtkWidget *widget, GdkRectangle *area) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
//Platform::DebugPrintf("Draw %p %0d,%0d %0d,%0d\n", widget, area->x, area->y, area->width, area->height);
PRectangle rcPaint(area->x, area->y, area->x + area->width, area->y + area->height);
sciThis->SyncPaint(rcPaint);
if (GTK_WIDGET_DRAWABLE(PWidget(sciThis->wMain))) {
DrawChild(PWidget(sciThis->scrollbarh), area);
DrawChild(PWidget(sciThis->scrollbarv), area);
}
Point pt = sciThis->PointMainCaret();
pt.y += sciThis->vs.lineHeight - 2;
if (pt.x < 0) pt.x = 0;
if (pt.y < 0) pt.y = 0;
CursorMoved(widget, pt.x, pt.y, sciThis);
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
gint ScintillaGTK::ExposeTextThis(GtkWidget * /*widget*/, GdkEventExpose *ose) {
try {
paintState = painting;
rcPaint.left = ose->area.x;
rcPaint.top = ose->area.y;
rcPaint.right = ose->area.x + ose->area.width;
rcPaint.bottom = ose->area.y + ose->area.height;
PLATFORM_ASSERT(rgnUpdate == NULL);
rgnUpdate = gdk_region_copy(ose->region);
PRectangle rcClient = GetClientRectangle();
paintingAllText = rcPaint.Contains(rcClient);
Surface *surfaceWindow = Surface::Allocate();
if (surfaceWindow) {
surfaceWindow->Init(PWidget(wText)->window, PWidget(wText));
Paint(surfaceWindow, rcPaint);
surfaceWindow->Release();
delete surfaceWindow;
}
if (paintState == paintAbandoned) {
// Painting area was insufficient to cover new styling or brace highlight positions
FullPaint();
}
paintState = notPainting;
if (rgnUpdate) {
gdk_region_destroy(rgnUpdate);
}
rgnUpdate = 0;
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
gint ScintillaGTK::ExposeText(GtkWidget *widget, GdkEventExpose *ose, ScintillaGTK *sciThis) {
return sciThis->ExposeTextThis(widget, ose);
}
gint ScintillaGTK::ExposeMain(GtkWidget *widget, GdkEventExpose *ose) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
//Platform::DebugPrintf("Expose Main %0d,%0d %0d,%0d\n",
//ose->area.x, ose->area.y, ose->area.width, ose->area.height);
return sciThis->Expose(widget, ose);
}
gint ScintillaGTK::Expose(GtkWidget *, GdkEventExpose *ose) {
try {
//fprintf(stderr, "Expose %0d,%0d %0d,%0d\n",
//ose->area.x, ose->area.y, ose->area.width, ose->area.height);
// The text is painted in ExposeText
gtk_container_propagate_expose(
GTK_CONTAINER(PWidget(wMain)), PWidget(scrollbarh), ose);
gtk_container_propagate_expose(
GTK_CONTAINER(PWidget(wMain)), PWidget(scrollbarv), ose);
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
void ScintillaGTK::ScrollSignal(GtkAdjustment *adj, ScintillaGTK *sciThis) {
try {
sciThis->ScrollTo(static_cast<int>(adj->value), false);
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::ScrollHSignal(GtkAdjustment *adj, ScintillaGTK *sciThis) {
try {
sciThis->HorizontalScrollTo(static_cast<int>(adj->value * 2));
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::SelectionReceived(GtkWidget *widget,
GtkSelectionData *selection_data, guint) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
//Platform::DebugPrintf("Selection received\n");
sciThis->ReceivedSelection(selection_data);
}
void ScintillaGTK::SelectionGet(GtkWidget *widget,
GtkSelectionData *selection_data, guint info, guint) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
//Platform::DebugPrintf("Selection get\n");
if (selection_data->selection == GDK_SELECTION_PRIMARY) {
if (sciThis->primary.s == NULL) {
sciThis->CopySelectionRange(&sciThis->primary);
}
sciThis->GetSelection(selection_data, info, &sciThis->primary);
}
#ifndef USE_GTK_CLIPBOARD
else {
sciThis->GetSelection(selection_data, info, &sciThis->copyText);
}
#endif
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
gint ScintillaGTK::SelectionClear(GtkWidget *widget, GdkEventSelection *selection_event) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
//Platform::DebugPrintf("Selection clear\n");
sciThis->UnclaimSelection(selection_event);
return gtk_selection_clear(widget, selection_event);
}
void ScintillaGTK::DragBegin(GtkWidget *, GdkDragContext *) {
//Platform::DebugPrintf("DragBegin\n");
}
gboolean ScintillaGTK::DragMotionThis(GdkDragContext *context,
gint x, gint y, guint dragtime) {
try {
Point npt(x, y);
SetDragPosition(SPositionFromLocation(npt, false, false, UserVirtualSpace()));
GdkDragAction preferredAction = context->suggested_action;
SelectionPosition pos = SPositionFromLocation(npt);
if ((inDragDrop == ddDragging) && (PositionInSelection(pos.Position()))) {
// Avoid dragging selection onto itself as that produces a move
// with no real effect but which creates undo actions.
preferredAction = static_cast<GdkDragAction>(0);
} else if (context->actions == static_cast<GdkDragAction>
(GDK_ACTION_COPY | GDK_ACTION_MOVE)) {
preferredAction = GDK_ACTION_MOVE;
}
gdk_drag_status(context, preferredAction, dragtime);
} catch (...) {
errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
gboolean ScintillaGTK::DragMotion(GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint dragtime) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
return sciThis->DragMotionThis(context, x, y, dragtime);
}
void ScintillaGTK::DragLeave(GtkWidget *widget, GdkDragContext * /*context*/, guint) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
sciThis->SetDragPosition(SelectionPosition(invalidPosition));
//Platform::DebugPrintf("DragLeave %x\n", sciThis);
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::DragEnd(GtkWidget *widget, GdkDragContext * /*context*/) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
// If drag did not result in drop here or elsewhere
if (!sciThis->dragWasDropped)
sciThis->SetEmptySelection(sciThis->posDrag);
sciThis->SetDragPosition(SelectionPosition(invalidPosition));
//Platform::DebugPrintf("DragEnd %x %d\n", sciThis, sciThis->dragWasDropped);
sciThis->inDragDrop = ddNone;
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
gboolean ScintillaGTK::Drop(GtkWidget *widget, GdkDragContext * /*context*/,
gint, gint, guint) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
//Platform::DebugPrintf("Drop %x\n", sciThis);
sciThis->SetDragPosition(SelectionPosition(invalidPosition));
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
return FALSE;
}
void ScintillaGTK::DragDataReceived(GtkWidget *widget, GdkDragContext * /*context*/,
gint, gint, GtkSelectionData *selection_data, guint /*info*/, guint) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
sciThis->ReceivedDrop(selection_data);
sciThis->SetDragPosition(SelectionPosition(invalidPosition));
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
void ScintillaGTK::DragDataGet(GtkWidget *widget, GdkDragContext *context,
GtkSelectionData *selection_data, guint info, guint) {
ScintillaGTK *sciThis = ScintillaFromWidget(widget);
try {
sciThis->dragWasDropped = true;
if (!sciThis->sel.Empty()) {
sciThis->GetSelection(selection_data, info, &sciThis->drag);
}
if (context->action == GDK_ACTION_MOVE) {
for (size_t r=0; r<sciThis->sel.Count(); r++) {
if (sciThis->posDrop >= sciThis->sel.Range(r).Start()) {
if (sciThis->posDrop > sciThis->sel.Range(r).End()) {
sciThis->posDrop.Add(-sciThis->sel.Range(r).Length());
} else {
sciThis->posDrop.Add(-SelectionRange(sciThis->posDrop, sciThis->sel.Range(r).Start()).Length());
}
}
}
sciThis->ClearSelection();
}
sciThis->SetDragPosition(SelectionPosition(invalidPosition));
} catch (...) {
sciThis->errorStatus = SC_STATUS_FAILURE;
}
}
int ScintillaGTK::TimeOut(ScintillaGTK *sciThis) {
sciThis->Tick();
return 1;
}
gboolean ScintillaGTK::IdleCallback(ScintillaGTK *sciThis) {
// Idler will be automatically stopped, if there is nothing
// to do while idle.
bool ret = sciThis->Idle();
if (ret == false) {
// FIXME: This will remove the idler from GTK, we don't want to
// remove it as it is removed automatically when this function
// returns false (although, it should be harmless).
sciThis->SetIdle(false);
}
return ret;
}
gboolean ScintillaGTK::StyleIdle(ScintillaGTK *sciThis) {
sciThis->IdleStyling();
// Idler will be automatically stopped
return FALSE;
}
void ScintillaGTK::QueueStyling(int upTo) {
Editor::QueueStyling(upTo);
if (!styleNeeded.active) {
// Only allow one style needed to be queued
styleNeeded.active = true;
g_idle_add_full(G_PRIORITY_HIGH_IDLE,
reinterpret_cast<GSourceFunc>(StyleIdle), this, NULL);
}
}
void ScintillaGTK::PopUpCB(ScintillaGTK *sciThis, guint action, GtkWidget *) {
if (action) {
sciThis->Command(action);
}
}
gint ScintillaGTK::PressCT(GtkWidget *widget, GdkEventButton *event, ScintillaGTK *sciThis) {
try {
if (event->window != widget->window)
return FALSE;
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
Point pt;
pt.x = int(event->x);
pt.y = int(event->y);
sciThis->ct.MouseClick(pt);
sciThis->CallTipClick();
} catch (...) {
}
return TRUE;
}
gint ScintillaGTK::ExposeCT(GtkWidget *widget, GdkEventExpose * /*ose*/, CallTip *ctip) {
try {
Surface *surfaceWindow = Surface::Allocate();
if (surfaceWindow) {
surfaceWindow->Init(widget->window, widget);
surfaceWindow->SetUnicodeMode(SC_CP_UTF8 == ctip->codePage);
surfaceWindow->SetDBCSMode(ctip->codePage);
ctip->PaintCT(surfaceWindow);
surfaceWindow->Release();
delete surfaceWindow;
}
} catch (...) {
// No pointer back to Scintilla to save status
}
return TRUE;
}
sptr_t ScintillaGTK::DirectFunction(
ScintillaGTK *sciThis, unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
return sciThis->WndProc(iMessage, wParam, lParam);
}
sptr_t scintilla_send_message(ScintillaObject *sci, unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
ScintillaGTK *psci = reinterpret_cast<ScintillaGTK *>(sci->pscin);
return psci->WndProc(iMessage, wParam, lParam);
}
static void scintilla_class_init(ScintillaClass *klass);
static void scintilla_init(ScintillaObject *sci);
extern void Platform_Initialise();
extern void Platform_Finalise();
GType scintilla_get_type() {
static GType scintilla_type = 0;
try {
if (!scintilla_type) {
scintilla_type = g_type_from_name("Scintilla");
if (!scintilla_type) {
static GTypeInfo scintilla_info = {
(guint16) sizeof (ScintillaClass),
NULL, //(GBaseInitFunc)
NULL, //(GBaseFinalizeFunc)
(GClassInitFunc) scintilla_class_init,
NULL, //(GClassFinalizeFunc)
NULL, //gconstpointer data
(guint16) sizeof (ScintillaObject),
0, //n_preallocs
(GInstanceInitFunc) scintilla_init,
NULL //(GTypeValueTable*)
};
scintilla_type = g_type_register_static(
GTK_TYPE_CONTAINER, "Scintilla", &scintilla_info, (GTypeFlags) 0);
}
}
} catch (...) {
}
return scintilla_type;
}
void ScintillaGTK::ClassInit(OBJECT_CLASS* object_class, GtkWidgetClass *widget_class, GtkContainerClass *container_class) {
Platform_Initialise();
atomClipboard = gdk_atom_intern("CLIPBOARD", FALSE);
atomUTF8 = gdk_atom_intern("UTF8_STRING", FALSE);
atomString = GDK_SELECTION_TYPE_STRING;
atomUriList = gdk_atom_intern("text/uri-list", FALSE);
atomDROPFILES_DND = gdk_atom_intern("DROPFILES_DND", FALSE);
// Define default signal handlers for the class: Could move more
// of the signal handlers here (those that currently attached to wDraw
// in Initialise() may require coordinate translation?)
object_class->finalize = Destroy;
widget_class->size_request = SizeRequest;
widget_class->size_allocate = SizeAllocate;
widget_class->expose_event = ExposeMain;
widget_class->motion_notify_event = Motion;
widget_class->button_press_event = Press;
widget_class->button_release_event = MouseRelease;
widget_class->scroll_event = ScrollEvent;
widget_class->key_press_event = KeyPress;
widget_class->key_release_event = KeyRelease;
widget_class->focus_in_event = FocusIn;
widget_class->focus_out_event = FocusOut;
widget_class->selection_received = SelectionReceived;
widget_class->selection_get = SelectionGet;
widget_class->selection_clear_event = SelectionClear;
widget_class->drag_data_received = DragDataReceived;
widget_class->drag_motion = DragMotion;
widget_class->drag_leave = DragLeave;
widget_class->drag_end = DragEnd;
widget_class->drag_drop = Drop;
widget_class->drag_data_get = DragDataGet;
widget_class->realize = Realize;
widget_class->unrealize = UnRealize;
widget_class->map = Map;
widget_class->unmap = UnMap;
container_class->forall = MainForAll;
}
#define SIG_MARSHAL scintilla_marshal_NONE__INT_POINTER
#define MARSHAL_ARGUMENTS G_TYPE_INT, G_TYPE_POINTER
static void scintilla_class_init(ScintillaClass *klass) {
try {
OBJECT_CLASS *object_class = (OBJECT_CLASS*) klass;
GtkWidgetClass *widget_class = (GtkWidgetClass*) klass;
GtkContainerClass *container_class = (GtkContainerClass*) klass;
GSignalFlags sigflags = GSignalFlags(G_SIGNAL_ACTION | G_SIGNAL_RUN_LAST);
scintilla_signals[COMMAND_SIGNAL] = g_signal_new(
"command",
G_TYPE_FROM_CLASS(object_class),
sigflags,
G_STRUCT_OFFSET(ScintillaClass, command),
NULL, //(GSignalAccumulator)
NULL, //(gpointer)
SIG_MARSHAL,
G_TYPE_NONE,
2, MARSHAL_ARGUMENTS);
scintilla_signals[NOTIFY_SIGNAL] = g_signal_new(
SCINTILLA_NOTIFY,
G_TYPE_FROM_CLASS(object_class),
sigflags,
G_STRUCT_OFFSET(ScintillaClass, notify),
NULL,
NULL,
SIG_MARSHAL,
G_TYPE_NONE,
2, MARSHAL_ARGUMENTS);
klass->command = NULL;
klass->notify = NULL;
ScintillaGTK::ClassInit(object_class, widget_class, container_class);
} catch (...) {
}
}
static void scintilla_init(ScintillaObject *sci) {
try {
GTK_WIDGET_SET_FLAGS(sci, GTK_CAN_FOCUS);
sci->pscin = new ScintillaGTK(sci);
} catch (...) {
}
}
GtkWidget* scintilla_new() {
return GTK_WIDGET(g_object_new(scintilla_get_type(), NULL));
}
void scintilla_set_id(ScintillaObject *sci, uptr_t id) {
ScintillaGTK *psci = reinterpret_cast<ScintillaGTK *>(sci->pscin);
psci->ctrlID = id;
}
void scintilla_release_resources(void) {
try {
Platform_Finalise();
} catch (...) {
}
}
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