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remove unused wxMenuBar::m_style
[wxWidgets.git] / src / gtk / settings.cpp
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
e7c80f9e 2// Name: src/gtk/settings.cpp
c801d85f
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3// Purpose:
4// Author: Robert Roebling
9b0b5ba7 5// Modified by: Mart Raudsepp (GetMetric)
f96aa4d9
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6// Id: $Id$
7// Copyright: (c) 1998 Robert Roebling
65571936 8// Licence: wxWindows licence
c801d85f
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9/////////////////////////////////////////////////////////////////////////////
10
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11// For compilers that support precompilation, includes "wx.h".
12#include "wx/wxprec.h"
13
c801d85f 14#include "wx/settings.h"
e7c80f9e 15
ce5d92e1
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16#ifndef WX_PRECOMP
17 #include "wx/cmndata.h"
1832043f 18 #include "wx/toplevel.h"
ce5d92e1
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19#endif
20
2b5f62a0 21#include "wx/fontutil.h"
d06b34a7 22
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23#include <gtk/gtkversion.h>
24#if GTK_CHECK_VERSION(2, 9, 0)
25 // gtk_object_sink
26 #undef GTK_DISABLE_DEPRECATED
1efb5db8 27#endif
aed8ac3f 28#include <gtk/gtk.h>
b0ae510a 29#include <gdk/gdkx.h>
83624f79 30
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31#include <X11/Xatom.h>
32
0ab5e0e8 33// ----------------------------------------------------------------------------
94a09ea5 34// wxSystemObjects
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35// ----------------------------------------------------------------------------
36
94a09ea5 37struct wxSystemObjects
1ecc4d80 38{
c1ef87c3
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39 wxColour m_colBtnFace,
40 m_colBtnShadow,
41 m_colBtnHighlight,
42 m_colHighlight,
43 m_colHighlightText,
44 m_colListBox,
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45 m_colWindow,
46 m_colWindowText,
9d6a9fdd 47 m_colBtnText,
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48 m_colMenuItemHighlight,
49 m_colTooltip,
50 m_colTooltipText;
c1ef87c3
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51
52 wxFont m_fontSystem;
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53};
54
94a09ea5 55static wxSystemObjects gs_objects;
c1ef87c3 56
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57void wxClearGtkSystemObjects()
58{
59 gs_objects.m_colBtnFace = wxColour();
60 gs_objects.m_colBtnShadow = wxColour();
61 gs_objects.m_colBtnHighlight = wxColour();
62 gs_objects.m_colHighlightText = wxColour();
63 gs_objects.m_colListBox = wxColour();
64 gs_objects.m_colWindow = wxColour();
65 gs_objects.m_colWindowText = wxColour();
66 gs_objects.m_colBtnText = wxColour();
67 gs_objects.m_colMenuItemHighlight = wxColour();
68 gs_objects.m_colTooltip = wxColour();
69 gs_objects.m_colTooltipText = wxColour();
70 gs_objects.m_fontSystem = wxNullFont;
71}
72
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73// ----------------------------------------------------------------------------
74// wxSystemSettings implementation
75// ----------------------------------------------------------------------------
a3622daa 76
643ccf62 77// kind of widget to use in GetColourFromGTKWidget
dbcbe229 78enum wxGtkWidgetType
643ccf62 79{
dbcbe229 80 wxGTK_BUTTON,
9d6a9fdd 81 wxGTK_LIST,
a51d7c4b
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82 wxGTK_MENUITEM,
83 wxGTK_TEXTCTRL
dbcbe229
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84};
85
86// the colour we need
87enum wxGtkColourType
88{
89 wxGTK_FG,
90 wxGTK_BG,
91 wxGTK_BASE
643ccf62
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92};
93
984152a6 94// wxSystemSettings::GetColour() helper: get the colours from a GTK+
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95// widget style, return true if we did get them
96static bool GetColourFromGTKWidget(GdkColor& gdkColor,
dbcbe229
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97 wxGtkWidgetType type = wxGTK_BUTTON,
98 GtkStateType state = GTK_STATE_NORMAL,
99 wxGtkColourType colour = wxGTK_BG)
643ccf62 100{
dbcbe229
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101 GtkWidget *widget;
102 switch ( type )
103 {
104 default:
105 wxFAIL_MSG( _T("unexpected GTK widget type") );
106 // fall through
107
108 case wxGTK_BUTTON:
109 widget = gtk_button_new();
110 break;
111
a51d7c4b
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112 case wxGTK_TEXTCTRL:
113 widget = gtk_text_view_new();
114 break;
115
dbcbe229 116 case wxGTK_LIST:
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117 widget = gtk_tree_view_new_with_model(
118 (GtkTreeModel*)gtk_list_store_new(1, G_TYPE_INT));
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119 break;
120
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121 case wxGTK_MENUITEM:
122 widget = gtk_menu_item_new();
dbcbe229
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123 }
124
643ccf62
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125 GtkStyle *def = gtk_rc_get_style( widget );
126 if ( !def )
127 def = gtk_widget_get_default_style();
128
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129 const bool ok = def != NULL;
130 if (ok)
643ccf62 131 {
dbcbe229
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132 switch ( colour )
133 {
134 default:
135 wxFAIL_MSG( _T("unexpected GTK colour type") );
136 // fall through
137
138 case wxGTK_FG:
b0ae510a 139 gdkColor = def->fg[state];
dbcbe229
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140 break;
141
142 case wxGTK_BG:
b0ae510a 143 gdkColor = def->bg[state];
dbcbe229
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144 break;
145
146 case wxGTK_BASE:
b0ae510a 147 gdkColor = def->base[state];
dbcbe229
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148 break;
149 }
643ccf62
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150 }
151
dd2422b3 152 gtk_object_sink((GtkObject*)widget);
643ccf62
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153
154 return ok;
155}
156
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157static void GetTooltipColors()
158{
a5de860f 159 GtkWidget* widget = gtk_window_new(GTK_WINDOW_POPUP);
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160 const char* name = "gtk-tooltip";
161 if (gtk_check_version(2, 11, 0))
162 name = "gtk-tooltips";
163 gtk_widget_set_name(widget, name);
164 gtk_widget_ensure_style(widget);
165
166 GdkColor c = widget->style->bg[GTK_STATE_NORMAL];
167 gs_objects.m_colTooltip = wxColor(c);
168 c = widget->style->fg[GTK_STATE_NORMAL];
169 gs_objects.m_colTooltipText = wxColor(c);
170
171 gtk_widget_destroy(widget);
c05cc2c7
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172}
173
0ab5e0e8 174wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
c801d85f 175{
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176 wxColor color;
177 GdkColor gdkColor;
db434467 178 switch (index)
c801d85f 179 {
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180 case wxSYS_COLOUR_SCROLLBAR:
181 case wxSYS_COLOUR_BACKGROUND:
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182 case wxSYS_COLOUR_INACTIVECAPTION:
183 case wxSYS_COLOUR_MENU:
184 case wxSYS_COLOUR_WINDOWFRAME:
185 case wxSYS_COLOUR_ACTIVEBORDER:
186 case wxSYS_COLOUR_INACTIVEBORDER:
187 case wxSYS_COLOUR_BTNFACE:
221ed576 188 case wxSYS_COLOUR_MENUBAR:
5b211fbf 189 case wxSYS_COLOUR_3DLIGHT:
94a09ea5 190 if (!gs_objects.m_colBtnFace.Ok())
37d403aa 191 {
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192 gdkColor.red =
193 gdkColor.green = 0;
194 gdkColor.blue = 0x9c40;
195 GetColourFromGTKWidget(gdkColor);
196 gs_objects.m_colBtnFace = wxColor(gdkColor);
37d403aa 197 }
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198 color = gs_objects.m_colBtnFace;
199 break;
643ccf62 200
db434467 201 case wxSYS_COLOUR_WINDOW:
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202 if (!gs_objects.m_colWindow.Ok())
203 {
204 gdkColor.red =
205 gdkColor.green =
206 gdkColor.blue = 0xFFFF;
207 GetColourFromGTKWidget(gdkColor, wxGTK_TEXTCTRL, GTK_STATE_NORMAL, wxGTK_BASE);
208 gs_objects.m_colWindow = wxColor(gdkColor);
209 }
210 color = gs_objects.m_colWindow;
b0ae510a 211 break;
643ccf62 212
37d403aa 213 case wxSYS_COLOUR_3DDKSHADOW:
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214 color = *wxBLACK;
215 break;
643ccf62 216
db434467
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217 case wxSYS_COLOUR_GRAYTEXT:
218 case wxSYS_COLOUR_BTNSHADOW:
37d403aa 219 //case wxSYS_COLOUR_3DSHADOW:
94a09ea5 220 if (!gs_objects.m_colBtnShadow.Ok())
37d403aa 221 {
984152a6 222 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
94a09ea5 223 gs_objects.m_colBtnShadow =
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224 wxColour((unsigned char) (faceColour.Red() * 2 / 3),
225 (unsigned char) (faceColour.Green() * 2 / 3),
226 (unsigned char) (faceColour.Blue() * 2 / 3));
db434467 227 }
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228 color = gs_objects.m_colBtnShadow;
229 break;
643ccf62 230
37d403aa
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231 case wxSYS_COLOUR_3DHIGHLIGHT:
232 //case wxSYS_COLOUR_BTNHIGHLIGHT:
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233 color = *wxWHITE;
234 break;
643ccf62 235
db434467 236 case wxSYS_COLOUR_HIGHLIGHT:
94a09ea5 237 if (!gs_objects.m_colHighlight.Ok())
db434467 238 {
b0ae510a
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239 gdkColor.red =
240 gdkColor.green = 0;
241 gdkColor.blue = 0x9c40;
242 GetColourFromGTKWidget(
243 gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED);
244 gs_objects.m_colHighlight = wxColour(gdkColor);
db434467 245 }
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246 color = gs_objects.m_colHighlight;
247 break;
643ccf62 248
74f55195 249 case wxSYS_COLOUR_LISTBOX:
94a09ea5 250 if (!gs_objects.m_colListBox.Ok())
74f55195 251 {
b0ae510a 252 if ( GetColourFromGTKWidget(gdkColor,
dbcbe229
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253 wxGTK_LIST,
254 GTK_STATE_NORMAL,
255 wxGTK_BASE) )
74f55195 256 {
b0ae510a 257 gs_objects.m_colListBox = wxColour(gdkColor);
74f55195
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258 }
259 else
643ccf62 260 {
b0ae510a 261 gs_objects.m_colListBox = *wxWHITE;
643ccf62 262 }
74f55195 263 }
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264 color = gs_objects.m_colListBox;
265 break;
643ccf62
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266
267 case wxSYS_COLOUR_MENUTEXT:
268 case wxSYS_COLOUR_WINDOWTEXT:
269 case wxSYS_COLOUR_CAPTIONTEXT:
270 case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
271 case wxSYS_COLOUR_BTNTEXT:
94a09ea5 272 if (!gs_objects.m_colBtnText.Ok())
37d403aa 273 {
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274 gdkColor.red =
275 gdkColor.green =
276 gdkColor.blue = 0;
277 GetColourFromGTKWidget(
278 gdkColor, wxGTK_BUTTON, GTK_STATE_NORMAL, wxGTK_FG);
279 gs_objects.m_colBtnText = wxColour(gdkColor);
37d403aa 280 }
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281 color = gs_objects.m_colBtnText;
282 break;
643ccf62 283
17d61cbf 284 case wxSYS_COLOUR_INFOBK:
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285 if (!gs_objects.m_colTooltip.Ok()) {
286 GetTooltipColors();
287 }
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288 color = gs_objects.m_colTooltip;
289 break;
c05cc2c7
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290
291 case wxSYS_COLOUR_INFOTEXT:
292 if (!gs_objects.m_colTooltipText.Ok()) {
293 GetTooltipColors();
294 }
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295 color = gs_objects.m_colTooltipText;
296 break;
17d61cbf 297
643ccf62 298 case wxSYS_COLOUR_HIGHLIGHTTEXT:
94a09ea5 299 if (!gs_objects.m_colHighlightText.Ok())
643ccf62 300 {
984152a6 301 wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT);
643ccf62 302 if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
b0ae510a 303 gs_objects.m_colHighlightText = *wxBLACK;
643ccf62 304 else
b0ae510a 305 gs_objects.m_colHighlightText = *wxWHITE;
643ccf62 306 }
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307 color = gs_objects.m_colHighlightText;
308 break;
643ccf62 309
643ccf62 310 case wxSYS_COLOUR_APPWORKSPACE:
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311 color = *wxWHITE; // ?
312 break;
221ed576 313
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314 case wxSYS_COLOUR_ACTIVECAPTION:
315 case wxSYS_COLOUR_MENUHILIGHT:
316 if (!gs_objects.m_colMenuItemHighlight.Ok())
317 {
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318 gdkColor.red =
319 gdkColor.green =
320 gdkColor.blue = 0;
321 GetColourFromGTKWidget(
322 gdkColor, wxGTK_MENUITEM, GTK_STATE_SELECTED, wxGTK_BG);
323 gs_objects.m_colMenuItemHighlight = wxColour(gdkColor);
9d6a9fdd 324 }
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325 color = gs_objects.m_colMenuItemHighlight;
326 break;
9d6a9fdd 327
221ed576
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328 case wxSYS_COLOUR_HOTLIGHT:
329 case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
330 case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
221ed576 331 // TODO
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332 color = *wxBLACK;
333 break;
221ed576
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334
335 case wxSYS_COLOUR_MAX:
336 default:
337 wxFAIL_MSG( _T("unknown system colour index") );
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338 color = *wxWHITE;
339 break;
e24b680c 340 }
643ccf62 341
b0ae510a 342 return color;
ff7b1510 343}
c801d85f 344
0ab5e0e8 345wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
c801d85f 346{
b0ae510a 347 wxFont font;
2d17d68f 348 switch (index)
c801d85f 349 {
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350 case wxSYS_OEM_FIXED_FONT:
351 case wxSYS_ANSI_FIXED_FONT:
352 case wxSYS_SYSTEM_FIXED_FONT:
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353 font = *wxNORMAL_FONT;
354 break;
355
2d17d68f
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356 case wxSYS_ANSI_VAR_FONT:
357 case wxSYS_SYSTEM_FONT:
358 case wxSYS_DEVICE_DEFAULT_FONT:
359 case wxSYS_DEFAULT_GUI_FONT:
94a09ea5 360 if (!gs_objects.m_fontSystem.Ok())
d06b34a7 361 {
e7370dac
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362 GtkWidget *widget = gtk_button_new();
363 GtkStyle *def = gtk_rc_get_style( widget );
2269ff56 364 if ( !def || !def->font_desc )
17a1ebd1 365 def = gtk_widget_get_default_style();
2269ff56 366 if ( def && def->font_desc )
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VZ
367 {
368 wxNativeFontInfo info;
369 info.description =
fdf7514a 370 pango_font_description_copy(def->font_desc);
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371 gs_objects.m_fontSystem = wxFont(info);
372 }
373 else
374 {
119cd341
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375 GtkSettings *settings = gtk_settings_get_default();
376 gchar *font_name = NULL;
377 g_object_get ( settings,
17a1ebd1 378 "gtk-font-name",
119cd341
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379 &font_name,
380 NULL);
381 if (!font_name)
382 gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
383 else
384 gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name));
385 g_free (font_name);
17a1ebd1 386 }
dd2422b3 387 gtk_object_sink((GtkObject*)widget);
d06b34a7 388 }
b0ae510a
PC
389 font = gs_objects.m_fontSystem;
390 break;
c801d85f 391
0ab5e0e8 392 default:
b0ae510a 393 break;
0ab5e0e8 394 }
b0ae510a 395 return font;
c801d85f 396}
c801d85f 397
37cafc6a 398static bool GetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
c801d85f 399{
5ac8ce9e 400 bool success = false;
37cafc6a 401 Atom property = 0;
ff654490
VZ
402 if (gdk_x11_screen_supports_net_wm_hint(
403 gdk_drawable_get_screen(window),
404 gdk_atom_intern("_NET_FRAME_EXTENTS", false)))
b0ae510a 405 {
ff654490
VZ
406 success = true;
407 property = gdk_x11_get_xatom_by_name_for_display(
408 gdk_drawable_get_display(window),
409 "_NET_FRAME_EXTENTS");
37cafc6a 410 }
ff654490 411
37cafc6a
PC
412 if (success)
413 {
414 Atom type;
415 int format;
416 gulong nitems, bytes_after;
e8769ed1 417 guchar* data;
37cafc6a
PC
418 success = XGetWindowProperty(
419 gdk_x11_drawable_get_xdisplay(window),
420 gdk_x11_drawable_get_xid(window),
421 property,
422 0, 4,
423 false,
424 XA_CARDINAL,
e8769ed1 425 &type, &format, &nitems, &bytes_after, &data
37cafc6a
PC
426 ) == Success;
427 if (success)
428 {
429 success = data && nitems == 4;
430 if (success)
431 {
e8769ed1
PC
432 long* p = (long*)data;
433 if (left) *left = int(p[0]);
434 if (right) *right = int(p[1]);
435 if (top) *top = int(p[2]);
436 if (bottom) *bottom = int(p[3]);
37cafc6a
PC
437 }
438 if (data)
439 XFree(data);
440 }
441 }
b0ae510a
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442 return success;
443}
17a1ebd1 444
ff654490
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445// helper: return the GtkSettings either for the screen the current window is
446// on or for the default screen if window is NULL
447static GtkSettings *GetSettingsForWindowScreen(GdkWindow *window)
448{
449 return window ? gtk_settings_get_for_screen(gdk_drawable_get_screen(window))
450 : gtk_settings_get_default();
451}
452
b0ae510a
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453int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
454{
9b0b5ba7
RR
455 GdkWindow *window = NULL;
456 if(win && GTK_WIDGET_REALIZED(win->GetHandle()))
457 window = win->GetHandle()->window;
9b0b5ba7 458
1ecc4d80
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459 switch (index)
460 {
9b0b5ba7
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461 case wxSYS_BORDER_X:
462 case wxSYS_BORDER_Y:
463 case wxSYS_EDGE_X:
464 case wxSYS_EDGE_Y:
465 case wxSYS_FRAMESIZE_X:
466 case wxSYS_FRAMESIZE_Y:
467 // If a window is specified/realized, and it is a toplevel window, we can query from wm.
468 // The returned border thickness is outside the client area in that case.
469 if (window)
470 {
471 wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
472 if (!tlw)
473 return -1; // not a tlw, not sure how to approach
474 else
475 {
9b0b5ba7
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476 // Get the frame extents from the windowmanager.
477 // In most cases the top extent is the titlebar, so we use the bottom extent
478 // for the heights.
37cafc6a
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479 int right, bottom;
480 if (GetFrameExtents(window, NULL, &right, NULL, &bottom))
9b0b5ba7 481 {
37cafc6a 482 switch (index)
9b0b5ba7 483 {
37cafc6a
PC
484 case wxSYS_BORDER_X:
485 case wxSYS_EDGE_X:
486 case wxSYS_FRAMESIZE_X:
487 return right; // width of right extent
488 default:
489 return bottom; // height of bottom extent
9b0b5ba7 490 }
9b0b5ba7
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491 }
492 }
493 }
494
495 return -1; // no window specified
496
497 case wxSYS_CURSOR_X:
498 case wxSYS_CURSOR_Y:
ff654490
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499 return gdk_display_get_default_cursor_size(
500 window ? gdk_drawable_get_display(window)
501 : gdk_display_get_default());
17d61cbf 502
44fd6f72
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503 case wxSYS_DCLICK_X:
504 case wxSYS_DCLICK_Y:
505 gint dclick_distance;
ff654490
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506 g_object_get(GetSettingsForWindowScreen(window),
507 "gtk-double-click-distance", &dclick_distance, NULL);
9b0b5ba7
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508
509 return dclick_distance * 2;
44fd6f72 510
5595181f
VZ
511 case wxSYS_DCLICK_MSEC:
512 gint dclick;
ff654490 513 g_object_get(GetSettingsForWindowScreen(window),
5595181f
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514 "gtk-double-click-time", &dclick, NULL);
515 return dclick;
516
44fd6f72
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517 case wxSYS_DRAG_X:
518 case wxSYS_DRAG_Y:
519 gint drag_threshold;
ff654490
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520 g_object_get(GetSettingsForWindowScreen(window),
521 "gtk-dnd-drag-threshold", &drag_threshold, NULL);
44fd6f72 522
9fcdfe05
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523 // The correct thing here would be to double the value
524 // since that is what the API wants. But the values
525 // are much bigger under GNOME than under Windows and
526 // just seem to much in many cases to be useful.
f4322df6 527 // drag_threshold *= 2;
9fcdfe05 528
1e7373d0 529 return drag_threshold;
9b0b5ba7 530
ff654490
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531 case wxSYS_ICON_X:
532 case wxSYS_ICON_Y:
533 return 32;
9b0b5ba7
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534
535 case wxSYS_SCREEN_X:
ff654490 536 if (window)
9b0b5ba7
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537 return gdk_screen_get_width(gdk_drawable_get_screen(window));
538 else
9b0b5ba7
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539 return gdk_screen_width();
540
541 case wxSYS_SCREEN_Y:
ff654490 542 if (window)
9b0b5ba7
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543 return gdk_screen_get_height(gdk_drawable_get_screen(window));
544 else
9b0b5ba7
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545 return gdk_screen_height();
546
ff654490
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547 case wxSYS_HSCROLL_Y:
548 case wxSYS_VSCROLL_X:
549 return 15;
9b0b5ba7 550
9b0b5ba7
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551 case wxSYS_CAPTION_Y:
552 if (!window)
553 // No realized window specified, and no implementation for that case yet.
554 return -1;
555
9b0b5ba7
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556 wxASSERT_MSG( wxDynamicCast(win, wxTopLevelWindow),
557 wxT("Asking for caption height of a non toplevel window") );
558
559 // Get the height of the top windowmanager border.
560 // This is the titlebar in most cases. The titlebar might be elsewhere, and
561 // we could check which is the thickest wm border to decide on which side the
562 // titlebar is, but this might lead to interesting behaviours in used code.
563 // Reconsider when we have a way to report to the user on which side it is.
9b0b5ba7 564 {
37cafc6a
PC
565 int top;
566 if (GetFrameExtents(window, NULL, NULL, &top, NULL))
9b0b5ba7 567 {
37cafc6a 568 return top; // top frame extent
9b0b5ba7 569 }
9b0b5ba7
RR
570 }
571
572 // Try a default approach without a window pointer, if possible
573 // ...
574
575 return -1;
9b0b5ba7
RR
576
577 case wxSYS_PENWINDOWS_PRESENT:
578 // No MS Windows for Pen computing extension available in X11 based gtk+.
579 return 0;
580
581 default:
1d451c5b 582 return -1; // metric is unknown
1ecc4d80 583 }
c67daf87 584}
253293c1 585
0ab5e0e8 586bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
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587{
588 switch (index)
589 {
17a1ebd1 590 case wxSYS_CAN_ICONIZE_FRAME:
e7c80f9e 591 return false;
17a1ebd1 592
253293c1 593 case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
e7c80f9e 594 return true;
17a1ebd1 595
253293c1 596 default:
e7c80f9e 597 return false;
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598 }
599}