source: trunk/src/gui/styles/qgtkstyle_p.cpp@ 564

Last change on this file since 564 was 561, checked in by Dmitry A. Kuminov, 16 years ago

trunk: Merged in qt 4.6.1 sources.
  • Property svn:eol-style set to native
File size: 51.7 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtGui module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qgtkstyle_p.h"
43
44// This file is responsible for resolving all GTK functions we use
45// dynamically. This is done to avoid link-time dependancy on GTK
46// as well as crashes occurring due to usage of the GTK_QT engines
47//
48// Additionally we create a map of common GTK widgets that we can pass
49// to the GTK theme engine as many engines resort to querying the
50// actual widget pointers for details that are not covered by the
51// state flags
52
53#include <QtCore/qglobal.h>
54#if !defined(QT_NO_STYLE_GTK)
55
56#include <QtCore/QEvent>
57#include <QtCore/QFile>
58#include <QtCore/QStringList>
59#include <QtCore/QTextStream>
60#include <QtCore/QHash>
61#include <QtCore/QUrl>
62#include <QtCore/QLibrary>
63
64#include <private/qapplication_p.h>
65#include <private/qiconloader_p.h>
66
67#include <QtGui/QMenu>
68#include <QtGui/QStyle>
69#include <QtGui/QApplication>
70#include <QtGui/QPixmapCache>
71#include <QtGui/QStatusBar>
72#include <QtGui/QMenuBar>
73#include <QtGui/QToolBar>
74#include <QtGui/QToolButton>
75#include <QtGui/QX11Info>
76
77#include <private/qt_x11_p.h>
78
79QT_BEGIN_NAMESPACE
80
81static bool displayDepth = -1;
82Q_GLOBAL_STATIC(QGtkStyleUpdateScheduler, styleScheduler)
83
84Ptr_gtk_container_forall QGtkStylePrivate::gtk_container_forall = 0;
85Ptr_gtk_init QGtkStylePrivate::gtk_init = 0;
86Ptr_gtk_style_attach QGtkStylePrivate::gtk_style_attach = 0;
87Ptr_gtk_window_new QGtkStylePrivate::gtk_window_new = 0;
88Ptr_gtk_widget_destroy QGtkStylePrivate::gtk_widget_destroy = 0;
89Ptr_gtk_widget_realize QGtkStylePrivate::gtk_widget_realize = 0;
90Ptr_gtk_widget_set_default_direction QGtkStylePrivate::gtk_widget_set_default_direction = 0;
91Ptr_gtk_widget_modify_color QGtkStylePrivate::gtk_widget_modify_fg = 0;
92Ptr_gtk_widget_modify_color QGtkStylePrivate::gtk_widget_modify_bg = 0;
93Ptr_gtk_arrow_new QGtkStylePrivate::gtk_arrow_new = 0;
94Ptr_gtk_menu_item_new QGtkStylePrivate::gtk_menu_item_new = 0;
95Ptr_gtk_check_menu_item_new QGtkStylePrivate::gtk_check_menu_item_new = 0;
96Ptr_gtk_menu_bar_new QGtkStylePrivate::gtk_menu_bar_new = 0;
97Ptr_gtk_menu_new QGtkStylePrivate::gtk_menu_new = 0;
98Ptr_gtk_button_new QGtkStylePrivate::gtk_button_new = 0;
99Ptr_gtk_tool_button_new QGtkStylePrivate::gtk_tool_button_new = 0;
100Ptr_gtk_hbutton_box_new QGtkStylePrivate::gtk_hbutton_box_new = 0;
101Ptr_gtk_check_button_new QGtkStylePrivate::gtk_check_button_new = 0;
102Ptr_gtk_radio_button_new QGtkStylePrivate::gtk_radio_button_new = 0;
103Ptr_gtk_spin_button_new QGtkStylePrivate::gtk_spin_button_new = 0;
104Ptr_gtk_frame_new QGtkStylePrivate::gtk_frame_new = 0;
105Ptr_gtk_expander_new QGtkStylePrivate::gtk_expander_new = 0;
106Ptr_gtk_statusbar_new QGtkStylePrivate::gtk_statusbar_new = 0;
107Ptr_gtk_entry_new QGtkStylePrivate::gtk_entry_new = 0;
108Ptr_gtk_hscale_new QGtkStylePrivate::gtk_hscale_new = 0;
109Ptr_gtk_vscale_new QGtkStylePrivate::gtk_vscale_new = 0;
110Ptr_gtk_hscrollbar_new QGtkStylePrivate::gtk_hscrollbar_new = 0;
111Ptr_gtk_vscrollbar_new QGtkStylePrivate::gtk_vscrollbar_new = 0;
112Ptr_gtk_scrolled_window_new QGtkStylePrivate::gtk_scrolled_window_new = 0;
113Ptr_gtk_notebook_new QGtkStylePrivate::gtk_notebook_new = 0;
114Ptr_gtk_toolbar_new QGtkStylePrivate::gtk_toolbar_new = 0;
115Ptr_gtk_toolbar_insert QGtkStylePrivate::gtk_toolbar_insert = 0;
116Ptr_gtk_separator_tool_item_new QGtkStylePrivate::gtk_separator_tool_item_new = 0;
117Ptr_gtk_tree_view_new QGtkStylePrivate::gtk_tree_view_new = 0;
118Ptr_gtk_combo_box_new QGtkStylePrivate::gtk_combo_box_new = 0;
119Ptr_gtk_combo_box_entry_new QGtkStylePrivate::gtk_combo_box_entry_new = 0;
120Ptr_gtk_progress_bar_new QGtkStylePrivate::gtk_progress_bar_new = 0;
121Ptr_gtk_container_add QGtkStylePrivate::gtk_container_add = 0;
122Ptr_gtk_menu_shell_append QGtkStylePrivate::gtk_menu_shell_append = 0;
123Ptr_gtk_progress_set_adjustment QGtkStylePrivate::gtk_progress_set_adjustment = 0;
124Ptr_gtk_range_set_adjustment QGtkStylePrivate::gtk_range_set_adjustment = 0;
125Ptr_gtk_range_set_inverted QGtkStylePrivate::gtk_range_set_inverted = 0;
126Ptr_gtk_icon_factory_lookup_default QGtkStylePrivate::gtk_icon_factory_lookup_default = 0;
127Ptr_gtk_icon_theme_get_default QGtkStylePrivate::gtk_icon_theme_get_default = 0;
128Ptr_gtk_widget_style_get QGtkStylePrivate::gtk_widget_style_get = 0;
129Ptr_gtk_icon_set_render_icon QGtkStylePrivate::gtk_icon_set_render_icon = 0;
130Ptr_gtk_fixed_new QGtkStylePrivate::gtk_fixed_new = 0;
131Ptr_gtk_tree_view_column_new QGtkStylePrivate::gtk_tree_view_column_new = 0;
132Ptr_gtk_tree_view_get_column QGtkStylePrivate::gtk_tree_view_get_column = 0;
133Ptr_gtk_tree_view_append_column QGtkStylePrivate::gtk_tree_view_append_column = 0;
134Ptr_gtk_paint_check QGtkStylePrivate::gtk_paint_check = 0;
135Ptr_gtk_paint_box QGtkStylePrivate::gtk_paint_box = 0;
136Ptr_gtk_paint_box_gap QGtkStylePrivate::gtk_paint_box_gap = 0;
137Ptr_gtk_paint_flat_box QGtkStylePrivate::gtk_paint_flat_box = 0;
138Ptr_gtk_paint_option QGtkStylePrivate::gtk_paint_option = 0;
139Ptr_gtk_paint_extension QGtkStylePrivate::gtk_paint_extension = 0;
140Ptr_gtk_paint_slider QGtkStylePrivate::gtk_paint_slider = 0;
141Ptr_gtk_paint_shadow QGtkStylePrivate::gtk_paint_shadow = 0;
142Ptr_gtk_paint_resize_grip QGtkStylePrivate::gtk_paint_resize_grip = 0;
143Ptr_gtk_paint_focus QGtkStylePrivate::gtk_paint_focus = 0;
144Ptr_gtk_paint_arrow QGtkStylePrivate::gtk_paint_arrow = 0;
145Ptr_gtk_paint_handle QGtkStylePrivate::gtk_paint_handle = 0;
146Ptr_gtk_paint_expander QGtkStylePrivate::gtk_paint_expander = 0;
147Ptr_gtk_adjustment_new QGtkStylePrivate::gtk_adjustment_new = 0;
148Ptr_gtk_paint_hline QGtkStylePrivate::gtk_paint_hline = 0;
149Ptr_gtk_paint_vline QGtkStylePrivate::gtk_paint_vline = 0;
150Ptr_gtk_menu_item_set_submenu QGtkStylePrivate::gtk_menu_item_set_submenu = 0;
151Ptr_gtk_settings_get_default QGtkStylePrivate::gtk_settings_get_default = 0;
152Ptr_gtk_separator_menu_item_new QGtkStylePrivate::gtk_separator_menu_item_new = 0;
153Ptr_gtk_widget_size_allocate QGtkStylePrivate::gtk_widget_size_allocate = 0;
154Ptr_gtk_widget_set_direction QGtkStylePrivate::gtk_widget_set_direction = 0;
155Ptr_gtk_widget_path QGtkStylePrivate::gtk_widget_path = 0;
156Ptr_gtk_container_get_type QGtkStylePrivate::gtk_container_get_type = 0;
157Ptr_gtk_window_get_type QGtkStylePrivate::gtk_window_get_type = 0;
158Ptr_gtk_widget_get_type QGtkStylePrivate::gtk_widget_get_type = 0;
159Ptr_gtk_rc_get_style_by_paths QGtkStylePrivate::gtk_rc_get_style_by_paths = 0;
160Ptr_gtk_check_version QGtkStylePrivate::gtk_check_version = 0;
161Ptr_gtk_border_free QGtkStylePrivate::gtk_border_free = 0;
162
163Ptr_pango_font_description_get_size QGtkStylePrivate::pango_font_description_get_size = 0;
164Ptr_pango_font_description_get_weight QGtkStylePrivate::pango_font_description_get_weight = 0;
165Ptr_pango_font_description_get_family QGtkStylePrivate::pango_font_description_get_family = 0;
166Ptr_pango_font_description_get_style QGtkStylePrivate::pango_font_description_get_style = 0;
167
168Ptr_gtk_file_filter_new QGtkStylePrivate::gtk_file_filter_new = 0;
169Ptr_gtk_file_filter_set_name QGtkStylePrivate::gtk_file_filter_set_name = 0;
170Ptr_gtk_file_filter_add_pattern QGtkStylePrivate::gtk_file_filter_add_pattern = 0;
171Ptr_gtk_file_chooser_add_filter QGtkStylePrivate::gtk_file_chooser_add_filter = 0;
172Ptr_gtk_file_chooser_set_filter QGtkStylePrivate::gtk_file_chooser_set_filter = 0;
173Ptr_gtk_file_chooser_get_filter QGtkStylePrivate::gtk_file_chooser_get_filter = 0;
174Ptr_gtk_file_chooser_dialog_new QGtkStylePrivate::gtk_file_chooser_dialog_new = 0;
175Ptr_gtk_file_chooser_set_current_folder QGtkStylePrivate::gtk_file_chooser_set_current_folder = 0;
176Ptr_gtk_file_chooser_get_filename QGtkStylePrivate::gtk_file_chooser_get_filename = 0;
177Ptr_gtk_file_chooser_get_filenames QGtkStylePrivate::gtk_file_chooser_get_filenames = 0;
178Ptr_gtk_file_chooser_set_current_name QGtkStylePrivate::gtk_file_chooser_set_current_name = 0;
179Ptr_gtk_dialog_run QGtkStylePrivate::gtk_dialog_run = 0;
180Ptr_gtk_file_chooser_set_filename QGtkStylePrivate::gtk_file_chooser_set_filename = 0;
181
182Ptr_gdk_pixbuf_get_pixels QGtkStylePrivate::gdk_pixbuf_get_pixels = 0;
183Ptr_gdk_pixbuf_get_width QGtkStylePrivate::gdk_pixbuf_get_width = 0;
184Ptr_gdk_pixbuf_get_height QGtkStylePrivate::gdk_pixbuf_get_height = 0;
185Ptr_gdk_pixmap_new QGtkStylePrivate::gdk_pixmap_new = 0;
186Ptr_gdk_pixbuf_new QGtkStylePrivate::gdk_pixbuf_new = 0;
187Ptr_gdk_pixbuf_get_from_drawable QGtkStylePrivate::gdk_pixbuf_get_from_drawable = 0;
188Ptr_gdk_draw_rectangle QGtkStylePrivate::gdk_draw_rectangle = 0;
189Ptr_gdk_pixbuf_unref QGtkStylePrivate::gdk_pixbuf_unref = 0;
190Ptr_gdk_drawable_unref QGtkStylePrivate::gdk_drawable_unref = 0;
191Ptr_gdk_drawable_get_depth QGtkStylePrivate::gdk_drawable_get_depth = 0;
192Ptr_gdk_color_free QGtkStylePrivate::gdk_color_free = 0;
193Ptr_gdk_x11_window_set_user_time QGtkStylePrivate::gdk_x11_window_set_user_time = 0;
194Ptr_gdk_x11_drawable_get_xid QGtkStylePrivate::gdk_x11_drawable_get_xid = 0;
195Ptr_gdk_x11_drawable_get_xdisplay QGtkStylePrivate::gdk_x11_drawable_get_xdisplay = 0;
196
197Ptr_gconf_client_get_default QGtkStylePrivate::gconf_client_get_default = 0;
198Ptr_gconf_client_get_string QGtkStylePrivate::gconf_client_get_string = 0;
199Ptr_gconf_client_get_bool QGtkStylePrivate::gconf_client_get_bool = 0;
200
201Ptr_gnome_icon_lookup_sync QGtkStylePrivate::gnome_icon_lookup_sync = 0;
202Ptr_gnome_vfs_init QGtkStylePrivate::gnome_vfs_init = 0;
203
204typedef int (*x11ErrorHandler)(Display*, XErrorEvent*);
205
206QT_END_NAMESPACE
207
208Q_DECLARE_METATYPE(QGtkStylePrivate*);
209
210QT_BEGIN_NAMESPACE
211
212static void gtkStyleSetCallback(GtkWidget*)
213{
214 qRegisterMetaType<QGtkStylePrivate *>();
215
216 // We have to let this function return and complete the event
217 // loop to ensure that all gtk widgets have been styled before
218 // updating
219 QMetaObject::invokeMethod(styleScheduler(), "updateTheme", Qt::QueuedConnection);
220}
221
222static void update_toolbar_style(GtkWidget *gtkToolBar, GParamSpec *, gpointer)
223{
224 GtkToolbarStyle toolbar_style = GTK_TOOLBAR_ICONS;
225 g_object_get(gtkToolBar, "toolbar-style", &toolbar_style, NULL);
226 QWidgetList widgets = QApplication::allWidgets();
227 for (int i = 0; i < widgets.size(); ++i) {
228 QWidget *widget = widgets.at(i);
229 if (qobject_cast<QToolButton*>(widget)) {
230 QEvent event(QEvent::StyleChange);
231 QApplication::sendEvent(widget, &event);
232 }
233 }
234}
235
236static QString classPath(GtkWidget *widget)
237{
238 char* class_path;
239 QGtkStylePrivate::gtk_widget_path (widget, NULL, &class_path, NULL);
240 QString path = QLS(class_path);
241 g_free(class_path);
242
243 // Remove the prefixes
244 path.remove(QLS("GtkWindow."));
245 path.remove(QLS("GtkFixed."));
246 return path;
247}
248
249
250
251bool QGtkStyleFilter::eventFilter(QObject *obj, QEvent *e)
252{
253 if (e->type() == QEvent::ApplicationPaletteChange) {
254 // Only do this the first time since this will also
255 // generate applicationPaletteChange events
256 if (!qt_app_palettes_hash() || qt_app_palettes_hash()->isEmpty()) {
257 stylePrivate->applyCustomPaletteHash();
258 }
259 }
260 return QObject::eventFilter(obj, e);
261}
262
263QList<QGtkStylePrivate *> QGtkStylePrivate::instances;
264
265QGtkStylePrivate::QGtkStylePrivate()
266 : QCleanlooksStylePrivate()
267 , filter(this)
268{
269 instances.append(this);
270}
271
272QGtkStylePrivate::~QGtkStylePrivate()
273{
274 instances.removeOne(this);
275}
276
277void QGtkStylePrivate::init()
278{
279 resolveGtk();
280 initGtkWidgets();
281 if (isThemeAvailable())
282 qApp->installEventFilter(&filter);
283}
284
285GtkWidget* QGtkStylePrivate::gtkWidget(const QString &path)
286{
287 GtkWidget *widget = gtkWidgetMap()->value(path);
288 if (!widget) {
289 // Theme might have rearranged widget internals
290 widget = gtkWidgetMap()->value(path);
291 }
292 return widget;
293}
294
295GtkStyle* QGtkStylePrivate::gtkStyle(const QString &path)
296{
297 if (gtkWidgetMap()->contains(path))
298 return gtkWidgetMap()->value(path)->style;
299 return 0;
300}
301
302/*! \internal
303 * Get references to gtk functions after we dynamically load the library.
304 */
305void QGtkStylePrivate::resolveGtk() const
306{
307 // enforce the "0" suffix, so we'll open libgtk-x11-2.0.so.0
308 QLibrary libgtk(QLS("gtk-x11-2.0"), 0, 0);
309
310 gtk_init = (Ptr_gtk_init)libgtk.resolve("gtk_init");
311 gtk_window_new = (Ptr_gtk_window_new)libgtk.resolve("gtk_window_new");
312 gtk_style_attach = (Ptr_gtk_style_attach)libgtk.resolve("gtk_style_attach");
313 gtk_widget_destroy = (Ptr_gtk_widget_destroy)libgtk.resolve("gtk_widget_destroy");
314 gtk_widget_realize = (Ptr_gtk_widget_realize)libgtk.resolve("gtk_widget_realize");
315
316 gtk_file_chooser_set_current_folder = (Ptr_gtk_file_chooser_set_current_folder)libgtk.resolve("gtk_file_chooser_set_current_folder");
317 gtk_file_filter_new = (Ptr_gtk_file_filter_new)libgtk.resolve("gtk_file_filter_new");
318 gtk_file_filter_set_name = (Ptr_gtk_file_filter_set_name)libgtk.resolve("gtk_file_filter_set_name");
319 gtk_file_filter_add_pattern = (Ptr_gtk_file_filter_add_pattern)libgtk.resolve("gtk_file_filter_add_pattern");
320 gtk_file_chooser_add_filter = (Ptr_gtk_file_chooser_add_filter)libgtk.resolve("gtk_file_chooser_add_filter");
321 gtk_file_chooser_set_filter = (Ptr_gtk_file_chooser_set_filter)libgtk.resolve("gtk_file_chooser_set_filter");
322 gtk_file_chooser_get_filter = (Ptr_gtk_file_chooser_get_filter)libgtk.resolve("gtk_file_chooser_get_filter");
323 gtk_file_chooser_dialog_new = (Ptr_gtk_file_chooser_dialog_new)libgtk.resolve("gtk_file_chooser_dialog_new");
324 gtk_file_chooser_set_current_folder = (Ptr_gtk_file_chooser_set_current_folder)libgtk.resolve("gtk_file_chooser_set_current_folder");
325 gtk_file_chooser_get_filename = (Ptr_gtk_file_chooser_get_filename)libgtk.resolve("gtk_file_chooser_get_filename");
326 gtk_file_chooser_get_filenames = (Ptr_gtk_file_chooser_get_filenames)libgtk.resolve("gtk_file_chooser_get_filenames");
327 gtk_file_chooser_set_current_name = (Ptr_gtk_file_chooser_set_current_name)libgtk.resolve("gtk_file_chooser_set_current_name");
328 gtk_dialog_run = (Ptr_gtk_dialog_run)libgtk.resolve("gtk_dialog_run");
329 gtk_file_chooser_set_filename = (Ptr_gtk_file_chooser_set_filename)libgtk.resolve("gtk_file_chooser_set_filename");
330
331 gdk_pixbuf_get_pixels = (Ptr_gdk_pixbuf_get_pixels)libgtk.resolve("gdk_pixbuf_get_pixels");
332 gdk_pixbuf_get_width = (Ptr_gdk_pixbuf_get_width)libgtk.resolve("gdk_pixbuf_get_width");
333 gdk_pixbuf_get_height = (Ptr_gdk_pixbuf_get_height)libgtk.resolve("gdk_pixbuf_get_height");
334 gdk_pixmap_new = (Ptr_gdk_pixmap_new)libgtk.resolve("gdk_pixmap_new");
335 gdk_pixbuf_new = (Ptr_gdk_pixbuf_new)libgtk.resolve("gdk_pixbuf_new");
336 gdk_pixbuf_get_from_drawable = (Ptr_gdk_pixbuf_get_from_drawable)libgtk.resolve("gdk_pixbuf_get_from_drawable");
337 gdk_draw_rectangle = (Ptr_gdk_draw_rectangle)libgtk.resolve("gdk_draw_rectangle");
338 gdk_pixbuf_unref = (Ptr_gdk_pixbuf_unref)libgtk.resolve("gdk_pixbuf_unref");
339 gdk_drawable_unref = (Ptr_gdk_drawable_unref)libgtk.resolve("gdk_drawable_unref");
340 gdk_drawable_get_depth = (Ptr_gdk_drawable_get_depth)libgtk.resolve("gdk_drawable_get_depth");
341 gdk_color_free = (Ptr_gdk_color_free)libgtk.resolve("gdk_color_free");
342 gdk_x11_window_set_user_time = (Ptr_gdk_x11_window_set_user_time)libgtk.resolve("gdk_x11_window_set_user_time");
343 gdk_x11_drawable_get_xid = (Ptr_gdk_x11_drawable_get_xid)libgtk.resolve("gdk_x11_drawable_get_xid");
344 gdk_x11_drawable_get_xdisplay = (Ptr_gdk_x11_drawable_get_xdisplay)libgtk.resolve("gdk_x11_drawable_get_xdisplay");
345
346 gtk_widget_set_default_direction = (Ptr_gtk_widget_set_default_direction)libgtk.resolve("gtk_widget_set_default_direction");
347 gtk_widget_modify_fg = (Ptr_gtk_widget_modify_color)libgtk.resolve("gtk_widget_modify_fg");
348 gtk_widget_modify_bg = (Ptr_gtk_widget_modify_color)libgtk.resolve("gtk_widget_modify_bg");
349 gtk_arrow_new = (Ptr_gtk_arrow_new)libgtk.resolve("gtk_arrow_new");
350 gtk_menu_item_new = (Ptr_gtk_menu_item_new)libgtk.resolve("gtk_menu_item_new");
351 gtk_check_menu_item_new = (Ptr_gtk_check_menu_item_new)libgtk.resolve("gtk_check_menu_item_new");
352 gtk_menu_bar_new = (Ptr_gtk_menu_bar_new)libgtk.resolve("gtk_menu_bar_new");
353 gtk_menu_new = (Ptr_gtk_menu_new)libgtk.resolve("gtk_menu_new");
354 gtk_toolbar_new = (Ptr_gtk_toolbar_new)libgtk.resolve("gtk_toolbar_new");
355 gtk_separator_tool_item_new = (Ptr_gtk_separator_tool_item_new)libgtk.resolve("gtk_separator_tool_item_new");
356 gtk_toolbar_insert = (Ptr_gtk_toolbar_insert)libgtk.resolve("gtk_toolbar_insert");
357 gtk_button_new = (Ptr_gtk_button_new)libgtk.resolve("gtk_button_new");
358 gtk_tool_button_new = (Ptr_gtk_tool_button_new)libgtk.resolve("gtk_tool_button_new");
359 gtk_hbutton_box_new = (Ptr_gtk_hbutton_box_new)libgtk.resolve("gtk_hbutton_box_new");
360 gtk_check_button_new = (Ptr_gtk_check_button_new)libgtk.resolve("gtk_check_button_new");
361 gtk_radio_button_new = (Ptr_gtk_radio_button_new)libgtk.resolve("gtk_radio_button_new");
362 gtk_notebook_new = (Ptr_gtk_notebook_new)libgtk.resolve("gtk_notebook_new");
363 gtk_progress_bar_new = (Ptr_gtk_progress_bar_new)libgtk.resolve("gtk_progress_bar_new");
364 gtk_spin_button_new = (Ptr_gtk_spin_button_new)libgtk.resolve("gtk_spin_button_new");
365 gtk_hscale_new = (Ptr_gtk_hscale_new)libgtk.resolve("gtk_hscale_new");
366 gtk_vscale_new = (Ptr_gtk_vscale_new)libgtk.resolve("gtk_vscale_new");
367 gtk_hscrollbar_new = (Ptr_gtk_hscrollbar_new)libgtk.resolve("gtk_hscrollbar_new");
368 gtk_vscrollbar_new = (Ptr_gtk_vscrollbar_new)libgtk.resolve("gtk_vscrollbar_new");
369 gtk_scrolled_window_new = (Ptr_gtk_scrolled_window_new)libgtk.resolve("gtk_scrolled_window_new");
370 gtk_menu_shell_append = (Ptr_gtk_menu_shell_append)libgtk.resolve("gtk_menu_shell_append");
371 gtk_entry_new = (Ptr_gtk_entry_new)libgtk.resolve("gtk_entry_new");
372 gtk_tree_view_new = (Ptr_gtk_tree_view_new)libgtk.resolve("gtk_tree_view_new");
373 gtk_combo_box_new = (Ptr_gtk_combo_box_new)libgtk.resolve("gtk_combo_box_new");
374 gtk_progress_set_adjustment = (Ptr_gtk_progress_set_adjustment)libgtk.resolve("gtk_progress_set_adjustment");
375 gtk_range_set_adjustment = (Ptr_gtk_range_set_adjustment)libgtk.resolve("gtk_range_set_adjustment");
376 gtk_range_set_inverted = (Ptr_gtk_range_set_inverted)libgtk.resolve("gtk_range_set_inverted");
377 gtk_container_add = (Ptr_gtk_container_add)libgtk.resolve("gtk_container_add");
378 gtk_icon_factory_lookup_default = (Ptr_gtk_icon_factory_lookup_default)libgtk.resolve("gtk_icon_factory_lookup_default");
379 gtk_icon_theme_get_default = (Ptr_gtk_icon_theme_get_default)libgtk.resolve("gtk_icon_theme_get_default");
380 gtk_widget_style_get = (Ptr_gtk_widget_style_get)libgtk.resolve("gtk_widget_style_get");
381 gtk_icon_set_render_icon = (Ptr_gtk_icon_set_render_icon)libgtk.resolve("gtk_icon_set_render_icon");
382 gtk_fixed_new = (Ptr_gtk_fixed_new)libgtk.resolve("gtk_fixed_new");
383 gtk_tree_view_column_new = (Ptr_gtk_tree_view_column_new)libgtk.resolve("gtk_tree_view_column_new");
384 gtk_tree_view_append_column= (Ptr_gtk_tree_view_append_column )libgtk.resolve("gtk_tree_view_append_column");
385 gtk_tree_view_get_column = (Ptr_gtk_tree_view_get_column )libgtk.resolve("gtk_tree_view_get_column");
386 gtk_paint_check = (Ptr_gtk_paint_check)libgtk.resolve("gtk_paint_check");
387 gtk_paint_box = (Ptr_gtk_paint_box)libgtk.resolve("gtk_paint_box");
388 gtk_paint_flat_box = (Ptr_gtk_paint_flat_box)libgtk.resolve("gtk_paint_flat_box");
389 gtk_paint_check = (Ptr_gtk_paint_check)libgtk.resolve("gtk_paint_check");
390 gtk_paint_box = (Ptr_gtk_paint_box)libgtk.resolve("gtk_paint_box");
391 gtk_paint_resize_grip = (Ptr_gtk_paint_resize_grip)libgtk.resolve("gtk_paint_resize_grip");
392 gtk_paint_focus = (Ptr_gtk_paint_focus)libgtk.resolve("gtk_paint_focus");
393 gtk_paint_shadow = (Ptr_gtk_paint_shadow)libgtk.resolve("gtk_paint_shadow");
394 gtk_paint_slider = (Ptr_gtk_paint_slider)libgtk.resolve("gtk_paint_slider");
395 gtk_paint_expander = (Ptr_gtk_paint_expander)libgtk.resolve("gtk_paint_expander");
396 gtk_paint_handle = (Ptr_gtk_paint_handle)libgtk.resolve("gtk_paint_handle");
397 gtk_paint_option = (Ptr_gtk_paint_option)libgtk.resolve("gtk_paint_option");
398 gtk_paint_arrow = (Ptr_gtk_paint_arrow)libgtk.resolve("gtk_paint_arrow");
399 gtk_paint_box_gap = (Ptr_gtk_paint_box_gap)libgtk.resolve("gtk_paint_box_gap");
400 gtk_paint_extension = (Ptr_gtk_paint_extension)libgtk.resolve("gtk_paint_extension");
401 gtk_paint_hline = (Ptr_gtk_paint_hline)libgtk.resolve("gtk_paint_hline");
402 gtk_paint_vline = (Ptr_gtk_paint_vline)libgtk.resolve("gtk_paint_vline");
403 gtk_adjustment_new = (Ptr_gtk_adjustment_new)libgtk.resolve("gtk_adjustment_new");
404 gtk_menu_item_set_submenu = (Ptr_gtk_menu_item_set_submenu)libgtk.resolve("gtk_menu_item_set_submenu");
405 gtk_settings_get_default = (Ptr_gtk_settings_get_default)libgtk.resolve("gtk_settings_get_default");
406 gtk_separator_menu_item_new = (Ptr_gtk_separator_menu_item_new)libgtk.resolve("gtk_separator_menu_item_new");
407 gtk_frame_new = (Ptr_gtk_frame_new)libgtk.resolve("gtk_frame_new");
408 gtk_expander_new = (Ptr_gtk_expander_new)libgtk.resolve("gtk_expander_new");
409 gtk_statusbar_new = (Ptr_gtk_statusbar_new)libgtk.resolve("gtk_statusbar_new");
410 gtk_combo_box_entry_new = (Ptr_gtk_combo_box_entry_new)libgtk.resolve("gtk_combo_box_entry_new");
411 gtk_container_forall = (Ptr_gtk_container_forall)libgtk.resolve("gtk_container_forall");
412 gtk_widget_size_allocate =(Ptr_gtk_widget_size_allocate)libgtk.resolve("gtk_widget_size_allocate");
413 gtk_widget_set_direction =(Ptr_gtk_widget_set_direction)libgtk.resolve("gtk_widget_set_direction");
414 gtk_widget_path =(Ptr_gtk_widget_path)libgtk.resolve("gtk_widget_path");
415 gtk_container_get_type =(Ptr_gtk_container_get_type)libgtk.resolve("gtk_container_get_type");
416 gtk_window_get_type =(Ptr_gtk_window_get_type)libgtk.resolve("gtk_window_get_type");
417 gtk_widget_get_type =(Ptr_gtk_widget_get_type)libgtk.resolve("gtk_widget_get_type");
418 gtk_rc_get_style_by_paths =(Ptr_gtk_rc_get_style_by_paths)libgtk.resolve("gtk_rc_get_style_by_paths");
419 gtk_check_version =(Ptr_gtk_check_version)libgtk.resolve("gtk_check_version");
420 gtk_border_free =(Ptr_gtk_border_free)libgtk.resolve("gtk_border_free");
421 pango_font_description_get_size = (Ptr_pango_font_description_get_size)libgtk.resolve("pango_font_description_get_size");
422 pango_font_description_get_weight = (Ptr_pango_font_description_get_weight)libgtk.resolve("pango_font_description_get_weight");
423 pango_font_description_get_family = (Ptr_pango_font_description_get_family)libgtk.resolve("pango_font_description_get_family");
424 pango_font_description_get_style = (Ptr_pango_font_description_get_style)libgtk.resolve("pango_font_description_get_style");
425
426 gnome_icon_lookup_sync = (Ptr_gnome_icon_lookup_sync)QLibrary::resolve(QLS("gnomeui-2"), 0, "gnome_icon_lookup_sync");
427 gnome_vfs_init= (Ptr_gnome_vfs_init)QLibrary::resolve(QLS("gnomevfs-2"), 0, "gnome_vfs_init");
428}
429
430/* \internal
431 * Initializes a number of gtk menu widgets.
432 * The widgets are cached.
433 */
434void QGtkStylePrivate::initGtkMenu() const
435{
436 // Create menubar
437 GtkWidget *gtkMenuBar = QGtkStylePrivate::gtk_menu_bar_new();
438 setupGtkWidget(gtkMenuBar);
439
440 GtkWidget *gtkMenuBarItem = QGtkStylePrivate::gtk_menu_item_new();
441 gtk_menu_shell_append((GtkMenuShell*)(gtkMenuBar), gtkMenuBarItem);
442 gtk_widget_realize(gtkMenuBarItem);
443
444 // Create menu
445 GtkWidget *gtkMenu = QGtkStylePrivate::gtk_menu_new();
446 gtk_menu_item_set_submenu((GtkMenuItem*)(gtkMenuBarItem), gtkMenu);
447 gtk_widget_realize(gtkMenu);
448
449 GtkWidget *gtkMenuItem = QGtkStylePrivate::gtk_menu_item_new();
450 gtk_menu_shell_append((GtkMenuShell*)gtkMenu, gtkMenuItem);
451 gtk_widget_realize(gtkMenuItem);
452
453 GtkWidget *gtkCheckMenuItem = QGtkStylePrivate::gtk_check_menu_item_new();
454 gtk_menu_shell_append((GtkMenuShell*)gtkMenu, gtkCheckMenuItem);
455 gtk_widget_realize(gtkCheckMenuItem);
456
457 GtkWidget *gtkMenuSeparator = QGtkStylePrivate::gtk_separator_menu_item_new();
458 gtk_menu_shell_append((GtkMenuShell*)gtkMenu, gtkMenuSeparator);
459
460 addAllSubWidgets(gtkMenuBar);
461 addAllSubWidgets(gtkMenu);
462}
463
464
465void QGtkStylePrivate::initGtkTreeview() const
466{
467 GtkWidget *gtkTreeView = gtk_tree_view_new();
468 gtk_tree_view_append_column((GtkTreeView*)gtkTreeView, gtk_tree_view_column_new());
469 gtk_tree_view_append_column((GtkTreeView*)gtkTreeView, gtk_tree_view_column_new());
470 gtk_tree_view_append_column((GtkTreeView*)gtkTreeView, gtk_tree_view_column_new());
471 addWidget(gtkTreeView);
472}
473
474
475/* \internal
476 * Initializes a number of gtk widgets that we can later on use to determine some of our styles.
477 * The widgets are cached.
478 */
479void QGtkStylePrivate::initGtkWidgets() const
480{
481 // From gtkmain.c
482 uid_t ruid = getuid ();
483 uid_t rgid = getgid ();
484 uid_t euid = geteuid ();
485 uid_t egid = getegid ();
486 if (ruid != euid || rgid != egid) {
487 qWarning("\nThis process is currently running setuid or setgid.\nGTK+ does not allow this "
488 "therefore Qt cannot use the GTK+ integration.\nTry launching your app using \'gksudo\', "
489 "\'kdesudo\' or a similar tool.\n\n"
490 "See http://www.gtk.org/setuid.html for more information.\n");
491 return;
492 }
493
494 static QString themeName;
495 if (!gtkWidgetMap()->contains(QLS("GtkWindow")) && themeName.isEmpty()) {
496 themeName = getThemeName();
497
498 if (themeName.isEmpty()) {
499 qWarning("QGtkStyle was unable to detect the current GTK+ theme.");
500 return;
501 } else if (themeName == QLS("Qt") || themeName == QLS("Qt4")) {
502 // Due to namespace conflicts with Qt3 and obvious recursion with Qt4,
503 // we cannot support the GTK_Qt Gtk engine
504 qWarning("QGtkStyle cannot be used together with the GTK_Qt engine.");
505 return;
506 }
507 }
508
509 if (QGtkStylePrivate::gtk_init) {
510 // Gtk will set the Qt error handler so we have to reset it afterwards
511 x11ErrorHandler qt_x_errhandler = XSetErrorHandler(0);
512 QGtkStylePrivate::gtk_init (NULL, NULL);
513 XSetErrorHandler(qt_x_errhandler);
514
515 // make a window
516 GtkWidget* gtkWindow = QGtkStylePrivate::gtk_window_new(GTK_WINDOW_POPUP);
517 QGtkStylePrivate::gtk_widget_realize(gtkWindow);
518 if (displayDepth == -1)
519 displayDepth = QGtkStylePrivate::gdk_drawable_get_depth(gtkWindow->window);
520 gtkWidgetMap()->insert(QLS("GtkWindow"), gtkWindow);
521
522
523 // Make all other widgets. respect the text direction
524 if (qApp->layoutDirection() == Qt::RightToLeft)
525 QGtkStylePrivate::gtk_widget_set_default_direction(GTK_TEXT_DIR_RTL);
526
527 if (!gtkWidgetMap()->contains(QLS("GtkButton"))) {
528 GtkWidget *gtkButton = QGtkStylePrivate::gtk_button_new();
529 addWidget(gtkButton);
530 g_signal_connect(gtkButton, "style-set", G_CALLBACK(gtkStyleSetCallback), 0);
531 addWidget(QGtkStylePrivate::gtk_tool_button_new(NULL, NULL));
532 addWidget(QGtkStylePrivate::gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE));
533 addWidget(QGtkStylePrivate::gtk_hbutton_box_new());
534 addWidget(QGtkStylePrivate::gtk_check_button_new());
535 addWidget(QGtkStylePrivate::gtk_radio_button_new(NULL));
536 addWidget(QGtkStylePrivate::gtk_combo_box_new());
537 addWidget(QGtkStylePrivate::gtk_combo_box_entry_new());
538 addWidget(QGtkStylePrivate::gtk_entry_new());
539 addWidget(QGtkStylePrivate::gtk_frame_new(NULL));
540 addWidget(QGtkStylePrivate::gtk_expander_new(""));
541 addWidget(QGtkStylePrivate::gtk_statusbar_new());
542 addWidget(QGtkStylePrivate::gtk_hscale_new((GtkAdjustment*)(QGtkStylePrivate::gtk_adjustment_new(1, 0, 1, 0, 0, 0))));
543 addWidget(QGtkStylePrivate::gtk_hscrollbar_new(NULL));
544 addWidget(QGtkStylePrivate::gtk_scrolled_window_new(NULL, NULL));
545
546 initGtkMenu();
547 addWidget(QGtkStylePrivate::gtk_notebook_new());
548 addWidget(QGtkStylePrivate::gtk_progress_bar_new());
549 addWidget(QGtkStylePrivate::gtk_spin_button_new((GtkAdjustment*)
550 (QGtkStylePrivate::gtk_adjustment_new(1, 0, 1, 0, 0, 0)), 0.1, 3));
551 GtkWidget *toolbar = gtk_toolbar_new();
552 g_signal_connect (toolbar, "notify::toolbar-style", G_CALLBACK (update_toolbar_style), toolbar);
553 gtk_toolbar_insert((GtkToolbar*)toolbar, gtk_separator_tool_item_new(), -1);
554 addWidget(toolbar);
555 initGtkTreeview();
556 addWidget(gtk_vscale_new((GtkAdjustment*)(QGtkStylePrivate::gtk_adjustment_new(1, 0, 1, 0, 0, 0))));
557 addWidget(gtk_vscrollbar_new(NULL));
558 }
559 else // Rebuild map
560 {
561 // When styles change subwidgets can get rearranged
562 // as with the combo box. We need to update the widget map
563 // to reflect this;
564 QHash<QString, GtkWidget*> oldMap = *gtkWidgetMap();
565 gtkWidgetMap()->clear();
566 QHashIterator<QString, GtkWidget*> it(oldMap);
567 while (it.hasNext()) {
568 it.next();
569 if (!it.key().contains(QLatin1Char('.'))) {
570 addAllSubWidgets(it.value());
571 }
572 }
573 }
574 } else {
575 qWarning("QGtkStyle could not resolve GTK. Make sure you have installed the proper libraries.");
576 }
577}
578
579/*! \internal
580 * destroys all previously buffered widgets.
581 */
582void QGtkStylePrivate::cleanupGtkWidgets()
583{
584 if (gtkWidgetMap()->contains(QLS("GtkWindow"))) // Gtk will destroy all children
585 gtk_widget_destroy(gtkWidgetMap()->value(QLS("GtkWindow")));
586}
587
588static bool resolveGConf()
589{
590 if (!QGtkStylePrivate::gconf_client_get_default) {
591 QGtkStylePrivate::gconf_client_get_default = (Ptr_gconf_client_get_default)QLibrary::resolve(QLS("gconf-2"), 4, "gconf_client_get_default");
592 QGtkStylePrivate::gconf_client_get_string = (Ptr_gconf_client_get_string)QLibrary::resolve(QLS("gconf-2"), 4, "gconf_client_get_string");
593 QGtkStylePrivate::gconf_client_get_bool = (Ptr_gconf_client_get_bool)QLibrary::resolve(QLS("gconf-2"), 4, "gconf_client_get_bool");
594 }
595 return (QGtkStylePrivate::gconf_client_get_default !=0);
596}
597
598QString QGtkStylePrivate::getGConfString(const QString &value, const QString &fallback)
599{
600 QString retVal = fallback;
601 if (resolveGConf()) {
602 g_type_init();
603 GConfClient* client = gconf_client_get_default();
604 GError *err = 0;
605 char *str = gconf_client_get_string(client, qPrintable(value), &err);
606 if (!err) {
607 retVal = QString::fromUtf8(str);
608 g_free(str);
609 }
610 g_object_unref(client);
611 if (err)
612 g_error_free (err);
613 }
614 return retVal;
615}
616
617bool QGtkStylePrivate::getGConfBool(const QString &key, bool fallback)
618{
619 bool retVal = fallback;
620 if (resolveGConf()) {
621 g_type_init();
622 GConfClient* client = gconf_client_get_default();
623 GError *err = 0;
624 bool result = gconf_client_get_bool(client, qPrintable(key), &err);
625 g_object_unref(client);
626 if (!err)
627 retVal = result;
628 else
629 g_error_free (err);
630 }
631 return retVal;
632}
633
634QString QGtkStylePrivate::getThemeName()
635{
636 QString themeName;
637 // We try to parse the gtkrc file first
638 // primarily to avoid resolving Gtk functions if
639 // the KDE 3 "Qt" style is currently in use
640 QString rcPaths = QString::fromLocal8Bit(qgetenv("GTK2_RC_FILES"));
641 if (!rcPaths.isEmpty()) {
642 QStringList paths = rcPaths.split(QLS(":"));
643 foreach (const QString &rcPath, paths) {
644 if (!rcPath.isEmpty()) {
645 QFile rcFile(rcPath);
646 if (rcFile.exists() && rcFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
647 QTextStream in(&rcFile);
648 while(!in.atEnd()) {
649 QString line = in.readLine();
650 if (line.contains(QLS("gtk-theme-name"))) {
651 line = line.right(line.length() - line.indexOf(QLatin1Char('=')) - 1);
652 line.remove(QLatin1Char('\"'));
653 line = line.trimmed();
654 themeName = line;
655 break;
656 }
657 }
658 }
659 }
660 if (!themeName.isEmpty())
661 break;
662 }
663 }
664
665 // Fall back to gconf
666 if (themeName.isEmpty() && resolveGConf())
667 themeName = getGConfString(QLS("/desktop/gnome/interface/gtk_theme"));
668
669 return themeName;
670}
671
672// Get size of the arrow controls in a GtkSpinButton
673int QGtkStylePrivate::getSpinboxArrowSize() const
674{
675 const int MIN_ARROW_WIDTH = 6;
676 GtkWidget *spinButton = gtkWidget(QLS("GtkSpinButton"));
677 GtkStyle *style = spinButton->style;
678 gint size = pango_font_description_get_size (style->font_desc);
679 gint arrow_size;
680 arrow_size = qMax(PANGO_PIXELS (size), MIN_ARROW_WIDTH) + style->xthickness;
681 arrow_size += arrow_size%2 + 1;
682 return arrow_size;
683}
684
685
686bool QGtkStylePrivate::isKDE4Session()
687{
688 static int version = -1;
689 if (version == -1)
690 version = qgetenv("KDE_SESSION_VERSION").toInt();
691 return (version == 4);
692}
693
694void QGtkStylePrivate::applyCustomPaletteHash()
695{
696 QPalette menuPal = gtkWidgetPalette(QLS("GtkMenu"));
697 GdkColor gdkBg = gtkWidget(QLS("GtkMenu"))->style->bg[GTK_STATE_NORMAL];
698 QColor bgColor(gdkBg.red>>8, gdkBg.green>>8, gdkBg.blue>>8);
699 menuPal.setBrush(QPalette::Base, bgColor);
700 menuPal.setBrush(QPalette::Window, bgColor);
701 qApp->setPalette(menuPal, "QMenu");
702
703 QPalette toolbarPal = gtkWidgetPalette(QLS("GtkToolbar"));
704 qApp->setPalette(toolbarPal, "QToolBar");
705
706 QPalette menuBarPal = gtkWidgetPalette(QLS("GtkMenuBar"));
707 qApp->setPalette(menuBarPal, "QMenuBar");
708}
709
710/*! \internal
711 * Returns the gtk Widget that should be used to determine text foreground and background colors.
712*/
713GtkWidget* QGtkStylePrivate::getTextColorWidget() const
714{
715 return gtkWidget(QLS("GtkEntry"));
716}
717
718void QGtkStylePrivate::setupGtkWidget(GtkWidget* widget)
719{
720 if (Q_GTK_IS_WIDGET(widget)) {
721 static GtkWidget* protoLayout = 0;
722 if (!protoLayout) {
723 protoLayout = QGtkStylePrivate::gtk_fixed_new();
724 QGtkStylePrivate::gtk_container_add((GtkContainer*)(gtkWidgetMap()->value(QLS("GtkWindow"))), protoLayout);
725 }
726 Q_ASSERT(protoLayout);
727
728 if (!widget->parent && !GTK_WIDGET_TOPLEVEL(widget))
729 QGtkStylePrivate::gtk_container_add((GtkContainer*)(protoLayout), widget);
730 QGtkStylePrivate::gtk_widget_realize(widget);
731 }
732}
733
734void QGtkStylePrivate::addWidgetToMap(GtkWidget *widget)
735{
736 if (Q_GTK_IS_WIDGET(widget)) {
737 gtk_widget_realize(widget);
738 gtkWidgetMap()->insert(classPath(widget), widget);
739 }
740 }
741
742void QGtkStylePrivate::addAllSubWidgets(GtkWidget *widget, gpointer v)
743{
744 Q_UNUSED(v);
745 addWidgetToMap(widget);
746 if (GTK_CHECK_TYPE ((widget), gtk_container_get_type()))
747 gtk_container_forall((GtkContainer*)widget, addAllSubWidgets, NULL);
748}
749
750// Updates window/windowtext palette based on the indicated gtk widget
751QPalette QGtkStylePrivate::gtkWidgetPalette(const QString &gtkWidgetName) const
752{
753 GtkWidget *gtkWidget = QGtkStylePrivate::gtkWidget(gtkWidgetName);
754 Q_ASSERT(gtkWidget);
755 QPalette pal = QApplication::palette();
756 GdkColor gdkBg = gtkWidget->style->bg[GTK_STATE_NORMAL];
757 GdkColor gdkText = gtkWidget->style->fg[GTK_STATE_NORMAL];
758 GdkColor gdkDisabledText = gtkWidget->style->fg[GTK_STATE_INSENSITIVE];
759 QColor bgColor(gdkBg.red>>8, gdkBg.green>>8, gdkBg.blue>>8);
760 QColor textColor(gdkText.red>>8, gdkText.green>>8, gdkText.blue>>8);
761 QColor disabledTextColor(gdkDisabledText.red>>8, gdkDisabledText.green>>8, gdkDisabledText.blue>>8);
762 pal.setBrush(QPalette::Window, bgColor);
763 pal.setBrush(QPalette::Button, bgColor);
764 pal.setBrush(QPalette::All, QPalette::WindowText, textColor);
765 pal.setBrush(QPalette::Disabled, QPalette::WindowText, disabledTextColor);
766 pal.setBrush(QPalette::All, QPalette::ButtonText, textColor);
767 pal.setBrush(QPalette::Disabled, QPalette::ButtonText, disabledTextColor);
768 return pal;
769}
770
771
772void QGtkStyleUpdateScheduler::updateTheme()
773{
774 static QString oldTheme(QLS("qt_not_set"));
775 QPixmapCache::clear();
776
777 QFont font = QGtkStylePrivate::getThemeFont();
778 if (QApplication::font() != font)
779 qApp->setFont(font);
780
781 if (oldTheme != QGtkStylePrivate::getThemeName()) {
782 oldTheme = QGtkStylePrivate::getThemeName();
783 QPalette newPalette = qApp->style()->standardPalette();
784 QApplicationPrivate::setSystemPalette(newPalette);
785 QApplication::setPalette(newPalette);
786 if (!QGtkStylePrivate::instances.isEmpty()) {
787 QGtkStylePrivate::instances.last()->initGtkWidgets();
788 QGtkStylePrivate::instances.last()->applyCustomPaletteHash();
789 }
790 QList<QWidget*> widgets = QApplication::allWidgets();
791 // Notify all widgets that size metrics might have changed
792 foreach (QWidget *widget, widgets) {
793 QEvent e(QEvent::StyleChange);
794 QApplication::sendEvent(widget, &e);
795 }
796 }
797 QIconLoader::instance()->updateSystemTheme();
798}
799
800void QGtkStylePrivate::addWidget(GtkWidget *widget)
801{
802 if (widget) {
803 setupGtkWidget(widget);
804 addAllSubWidgets(widget);
805 }
806}
807
808
809// Fetch the application font from the pango font description
810// contained in the theme.
811QFont QGtkStylePrivate::getThemeFont()
812{
813 QFont font;
814 GtkStyle *style = gtkStyle();
815 if (style && qApp->desktopSettingsAware())
816 {
817 PangoFontDescription *gtk_font = style->font_desc;
818 font.setPointSizeF((float)(pango_font_description_get_size(gtk_font))/PANGO_SCALE);
819
820 QString family = QString::fromLatin1(pango_font_description_get_family(gtk_font));
821 if (!family.isEmpty())
822 font.setFamily(family);
823
824 int weight = pango_font_description_get_weight(gtk_font);
825 if (weight >= PANGO_WEIGHT_HEAVY)
826 font.setWeight(QFont::Black);
827 else if (weight >= PANGO_WEIGHT_BOLD)
828 font.setWeight(QFont::Bold);
829 else if (weight >= PANGO_WEIGHT_SEMIBOLD)
830 font.setWeight(QFont::DemiBold);
831 else if (weight >= PANGO_WEIGHT_NORMAL)
832 font.setWeight(QFont::Normal);
833 else
834 font.setWeight(QFont::Light);
835
836 PangoStyle fontstyle = pango_font_description_get_style(gtk_font);
837 if (fontstyle == PANGO_STYLE_ITALIC)
838 font.setStyle(QFont::StyleItalic);
839 else if (fontstyle == PANGO_STYLE_OBLIQUE)
840 font.setStyle(QFont::StyleOblique);
841 else
842 font.setStyle(QFont::StyleNormal);
843 }
844 return font;
845}
846
847
848// ----------- Native file dialogs -----------
849
850// Extract filter list from expressions of type: foo (*.a *.b *.c)"
851QStringList QGtkStylePrivate::extract_filter(const QString &rawFilter)
852{
853 QString result = rawFilter;
854 QRegExp r(QString::fromLatin1("^([^()]*)\\(([a-zA-Z0-9_.*? +;#\\-\\[\\]@\\{\\}/!<>\\$%&=^~:\\|]*)\\)$"));
855 int index = r.indexIn(result);
856 if (index >= 0)
857 result = r.cap(2);
858 return result.split(QLatin1Char(' '));
859}
860
861extern QStringList qt_make_filter_list(const QString &filter);
862
863void QGtkStylePrivate::setupGtkFileChooser(GtkWidget* gtkFileChooser, QWidget *parent,
864 const QString &dir, const QString &filter, QString *selectedFilter,
865 QFileDialog::Options options, bool isSaveDialog,
866 QMap<GtkFileFilter *, QString> *filterMap)
867{
868 g_object_set(gtkFileChooser, "do-overwrite-confirmation", gboolean(!(options & QFileDialog::DontConfirmOverwrite)), NULL);
869 g_object_set(gtkFileChooser, "local_only", gboolean(true), NULL);
870 if (!filter.isEmpty()) {
871 QStringList filters = qt_make_filter_list(filter);
872 foreach (const QString &rawfilter, filters) {
873 GtkFileFilter *gtkFilter = QGtkStylePrivate::gtk_file_filter_new ();
874 QString name = rawfilter.left(rawfilter.indexOf(QLatin1Char('(')));
875 QStringList extensions = extract_filter(rawfilter);
876 QGtkStylePrivate::gtk_file_filter_set_name(gtkFilter, qPrintable(name.isEmpty() ? extensions.join(QLS(", ")) : name));
877
878 foreach (const QString &fileExtension, extensions) {
879 // Note Gtk file dialogs are by default case sensitive
880 // and only supports basic glob syntax so we
881 // rewrite .xyz to .[xX][yY][zZ]
882 QString caseInsensitive;
883 for (int i = 0 ; i < fileExtension.length() ; ++i) {
884 QChar ch = fileExtension.at(i);
885 if (ch.isLetter()) {
886 caseInsensitive.append(
887 QLatin1Char('[') +
888 ch.toLower() +
889 ch.toUpper() +
890 QLatin1Char(']'));
891 } else {
892 caseInsensitive.append(ch);
893 }
894 }
895 QGtkStylePrivate::gtk_file_filter_add_pattern (gtkFilter, qPrintable(caseInsensitive));
896
897 }
898 if (filterMap)
899 filterMap->insert(gtkFilter, rawfilter);
900 QGtkStylePrivate::gtk_file_chooser_add_filter((GtkFileChooser*)gtkFileChooser, gtkFilter);
901 if (selectedFilter && (rawfilter == *selectedFilter))
902 QGtkStylePrivate::gtk_file_chooser_set_filter((GtkFileChooser*)gtkFileChooser, gtkFilter);
903 }
904 }
905
906 // Using the currently active window is not entirely correct, however
907 // it gives more sensible behavior for applications that do not provide a
908 // parent
909 QWidget *modalFor = parent ? parent->window() : qApp->activeWindow();
910 if (modalFor) {
911 QGtkStylePrivate::gtk_widget_realize(gtkFileChooser); // Creates X window
912 XSetTransientForHint(QGtkStylePrivate::gdk_x11_drawable_get_xdisplay(gtkFileChooser->window),
913 QGtkStylePrivate::gdk_x11_drawable_get_xid(gtkFileChooser->window),
914 modalFor->winId());
915 QGtkStylePrivate::gdk_x11_window_set_user_time (gtkFileChooser->window, QX11Info::appUserTime());
916
917 }
918
919 QFileInfo fileinfo(dir);
920 if (dir.isEmpty())
921 fileinfo.setFile(QDir::currentPath());
922 fileinfo.makeAbsolute();
923 if (fileinfo.isDir()) {
924 QGtkStylePrivate::gtk_file_chooser_set_current_folder((GtkFileChooser*)gtkFileChooser, qPrintable(dir));
925 } else if (isSaveDialog) {
926 QGtkStylePrivate::gtk_file_chooser_set_current_folder((GtkFileChooser*)gtkFileChooser, qPrintable(fileinfo.absolutePath()));
927 QGtkStylePrivate::gtk_file_chooser_set_current_name((GtkFileChooser*)gtkFileChooser, qPrintable(fileinfo.fileName()));
928 } else {
929 QGtkStylePrivate::gtk_file_chooser_set_filename((GtkFileChooser*)gtkFileChooser, qPrintable(dir));
930 }
931}
932
933QString QGtkStylePrivate::openFilename(QWidget *parent, const QString &caption, const QString &dir, const QString &filter,
934 QString *selectedFilter, QFileDialog::Options options)
935{
936 QMap<GtkFileFilter *, QString> filterMap;
937 GtkWidget *gtkFileChooser = QGtkStylePrivate::gtk_file_chooser_dialog_new (qPrintable(caption),
938 NULL,
939 GTK_FILE_CHOOSER_ACTION_OPEN,
940 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
941 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
942 NULL);
943
944 setupGtkFileChooser(gtkFileChooser, parent, dir, filter, selectedFilter, options, false, &filterMap);
945
946 QWidget modal_widget;
947 modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
948 modal_widget.setParent(parent, Qt::Window);
949 QApplicationPrivate::enterModal(&modal_widget);
950
951 QString filename;
952 if (QGtkStylePrivate::gtk_dialog_run ((GtkDialog*)gtkFileChooser) == GTK_RESPONSE_ACCEPT) {
953 char *gtk_filename = QGtkStylePrivate::gtk_file_chooser_get_filename ((GtkFileChooser*)gtkFileChooser);
954 filename = QString::fromUtf8(gtk_filename);
955 g_free (gtk_filename);
956 if (selectedFilter) {
957 GtkFileFilter *gtkFilter = QGtkStylePrivate::gtk_file_chooser_get_filter ((GtkFileChooser*)gtkFileChooser);
958 *selectedFilter = filterMap.value(gtkFilter);
959 }
960 }
961
962 QApplicationPrivate::leaveModal(&modal_widget);
963 gtk_widget_destroy (gtkFileChooser);
964 return filename;
965}
966
967
968QString QGtkStylePrivate::openDirectory(QWidget *parent, const QString &caption, const QString &dir, QFileDialog::Options options)
969{
970 QMap<GtkFileFilter *, QString> filterMap;
971 GtkWidget *gtkFileChooser = QGtkStylePrivate::gtk_file_chooser_dialog_new (qPrintable(caption),
972 NULL,
973 GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
974 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
975 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
976 NULL);
977
978 setupGtkFileChooser(gtkFileChooser, parent, dir, QString(), 0, options);
979 QWidget modal_widget;
980 modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
981 modal_widget.setParent(parent, Qt::Window);
982 QApplicationPrivate::enterModal(&modal_widget);
983
984 QString filename;
985 if (QGtkStylePrivate::gtk_dialog_run ((GtkDialog*)gtkFileChooser) == GTK_RESPONSE_ACCEPT) {
986 char *gtk_filename = QGtkStylePrivate::gtk_file_chooser_get_filename ((GtkFileChooser*)gtkFileChooser);
987 filename = QString::fromUtf8(gtk_filename);
988 g_free (gtk_filename);
989 }
990
991 QApplicationPrivate::leaveModal(&modal_widget);
992 gtk_widget_destroy (gtkFileChooser);
993 return filename;
994}
995
996QStringList QGtkStylePrivate::openFilenames(QWidget *parent, const QString &caption, const QString &dir, const QString &filter,
997 QString *selectedFilter, QFileDialog::Options options)
998{
999 QStringList filenames;
1000 QMap<GtkFileFilter *, QString> filterMap;
1001 GtkWidget *gtkFileChooser = QGtkStylePrivate::gtk_file_chooser_dialog_new (qPrintable(caption),
1002 NULL,
1003 GTK_FILE_CHOOSER_ACTION_OPEN,
1004 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1005 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
1006 NULL);
1007
1008 setupGtkFileChooser(gtkFileChooser, parent, dir, filter, selectedFilter, options, false, &filterMap);
1009 g_object_set(gtkFileChooser, "select-multiple", gboolean(true), NULL);
1010
1011 QWidget modal_widget;
1012 modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
1013 modal_widget.setParent(parent, Qt::Window);
1014 QApplicationPrivate::enterModal(&modal_widget);
1015
1016 if (gtk_dialog_run ((GtkDialog*)gtkFileChooser) == GTK_RESPONSE_ACCEPT) {
1017 GSList *gtk_file_names = QGtkStylePrivate::gtk_file_chooser_get_filenames((GtkFileChooser*)gtkFileChooser);
1018 for (GSList *iterator = gtk_file_names ; iterator; iterator = iterator->next)
1019 filenames << QString::fromUtf8((const char*)iterator->data);
1020 g_slist_free(gtk_file_names);
1021 if (selectedFilter) {
1022 GtkFileFilter *gtkFilter = QGtkStylePrivate::gtk_file_chooser_get_filter ((GtkFileChooser*)gtkFileChooser);
1023 *selectedFilter = filterMap.value(gtkFilter);
1024 }
1025 }
1026
1027 QApplicationPrivate::leaveModal(&modal_widget);
1028 gtk_widget_destroy (gtkFileChooser);
1029 return filenames;
1030}
1031
1032QString QGtkStylePrivate::saveFilename(QWidget *parent, const QString &caption, const QString &dir, const QString &filter,
1033 QString *selectedFilter, QFileDialog::Options options)
1034{
1035 QMap<GtkFileFilter *, QString> filterMap;
1036 GtkWidget *gtkFileChooser = QGtkStylePrivate::gtk_file_chooser_dialog_new (qPrintable(caption),
1037 NULL,
1038 GTK_FILE_CHOOSER_ACTION_SAVE,
1039 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1040 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
1041 NULL);
1042 setupGtkFileChooser(gtkFileChooser, parent, dir, filter, selectedFilter, options, true, &filterMap);
1043
1044 QWidget modal_widget;
1045 modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
1046 modal_widget.setParent(parent, Qt::Window);
1047 QApplicationPrivate::enterModal(&modal_widget);
1048
1049 QString filename;
1050 if (QGtkStylePrivate::gtk_dialog_run ((GtkDialog*)gtkFileChooser) == GTK_RESPONSE_ACCEPT) {
1051 char *gtk_filename = QGtkStylePrivate::gtk_file_chooser_get_filename ((GtkFileChooser*)gtkFileChooser);
1052 filename = QString::fromUtf8(gtk_filename);
1053 g_free (gtk_filename);
1054 if (selectedFilter) {
1055 GtkFileFilter *gtkFilter = QGtkStylePrivate::gtk_file_chooser_get_filter ((GtkFileChooser*)gtkFileChooser);
1056 *selectedFilter = filterMap.value(gtkFilter);
1057 }
1058 }
1059
1060 QApplicationPrivate::leaveModal(&modal_widget);
1061 gtk_widget_destroy (gtkFileChooser);
1062 return filename;
1063}
1064
1065QIcon QGtkStylePrivate::getFilesystemIcon(const QFileInfo &info)
1066{
1067 QIcon icon;
1068 if (gnome_vfs_init && gnome_icon_lookup_sync) {
1069 gnome_vfs_init();
1070 GtkIconTheme *theme = gtk_icon_theme_get_default();
1071 QByteArray fileurl = QUrl::fromLocalFile(info.absoluteFilePath()).toEncoded();
1072 char * icon_name = gnome_icon_lookup_sync(theme,
1073 NULL,
1074 fileurl.data(),
1075 NULL,
1076 GNOME_ICON_LOOKUP_FLAGS_NONE,
1077 NULL);
1078 QString iconName = QString::fromUtf8(icon_name);
1079 g_free(icon_name);
1080 if (iconName.startsWith(QLatin1Char('/')))
1081 return QIcon(iconName);
1082 return QIcon::fromTheme(iconName);
1083 }
1084 return icon;
1085}
1086
1087QT_END_NAMESPACE
1088
1089#endif // !defined(QT_NO_STYLE_GTK)
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