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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
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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"
e3527f7b 22#include "wx/fontenum.h"
d06b34a7 23
aed8ac3f 24#include <gtk/gtk.h>
53357e24 25#include "wx/gtk/private/win_gtk.h"
83624f79 26
166b4de7 27bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom);
9b0b5ba7 28
0ab5e0e8 29// ----------------------------------------------------------------------------
0d0b57ac 30// wxSystemSettings implementation
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31// ----------------------------------------------------------------------------
32
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33static wxFont gs_fontSystem;
34
35static GtkContainer* ContainerWidget()
a51d7c4b 36{
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37 static GtkContainer* s_widget;
38 if (s_widget == NULL)
39 {
40 s_widget = GTK_CONTAINER(gtk_fixed_new());
41 GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
42 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(s_widget));
43 }
44 return s_widget;
a51d7c4b
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45}
46
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47extern "C" {
48static void style_set(GtkWidget*, GtkStyle*, void*)
643ccf62 49{
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50 gs_fontSystem = wxNullFont;
51}
52}
53
54static const GtkStyle* ButtonStyle()
643ccf62 55{
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56 static GtkWidget* s_widget;
57 if (s_widget == NULL)
dbcbe229 58 {
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59 s_widget = gtk_button_new();
60 gtk_container_add(ContainerWidget(), s_widget);
61 gtk_widget_ensure_style(s_widget);
62 g_signal_connect(s_widget, "style_set", G_CALLBACK(style_set), NULL);
dbcbe229 63 }
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64 return s_widget->style;
65}
dbcbe229 66
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67static const GtkStyle* ListStyle()
68{
69 static GtkWidget* s_widget;
70 if (s_widget == NULL)
71 {
72 s_widget = gtk_tree_view_new_with_model(
73 GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_INT)));
74 gtk_container_add(ContainerWidget(), s_widget);
75 gtk_widget_ensure_style(s_widget);
76 }
77 return s_widget->style;
78}
643ccf62 79
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80static const GtkStyle* TextCtrlStyle()
81{
82 static GtkWidget* s_widget;
83 if (s_widget == NULL)
643ccf62 84 {
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85 s_widget = gtk_text_view_new();
86 gtk_container_add(ContainerWidget(), s_widget);
87 gtk_widget_ensure_style(s_widget);
643ccf62 88 }
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89 return s_widget->style;
90}
643ccf62 91
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92static const GtkStyle* MenuItemStyle()
93{
94 static GtkWidget* s_widget;
95 if (s_widget == NULL)
96 {
97 s_widget = gtk_menu_item_new();
98 gtk_container_add(ContainerWidget(), s_widget);
99 gtk_widget_ensure_style(s_widget);
100 }
101 return s_widget->style;
102}
643ccf62 103
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104static const GtkStyle* MenuBarStyle()
105{
106 static GtkWidget* s_widget;
107 if (s_widget == NULL)
108 {
109 s_widget = gtk_menu_bar_new();
110 gtk_container_add(ContainerWidget(), s_widget);
111 gtk_widget_ensure_style(s_widget);
112 }
113 return s_widget->style;
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114}
115
0d0b57ac 116static const GtkStyle* ToolTipStyle()
c05cc2c7 117{
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118 static GtkWidget* s_widget;
119 if (s_widget == NULL)
120 {
121 s_widget = gtk_window_new(GTK_WINDOW_POPUP);
122 const char* name = "gtk-tooltip";
123 if (gtk_check_version(2, 11, 0))
124 name = "gtk-tooltips";
125 gtk_widget_set_name(s_widget, name);
126 gtk_widget_ensure_style(s_widget);
127 }
128 return s_widget->style;
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129}
130
0ab5e0e8 131wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
c801d85f 132{
b0ae510a 133 wxColor color;
db434467 134 switch (index)
c801d85f 135 {
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136 case wxSYS_COLOUR_SCROLLBAR:
137 case wxSYS_COLOUR_BACKGROUND:
0d0b57ac 138 //case wxSYS_COLOUR_DESKTOP:
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139 case wxSYS_COLOUR_INACTIVECAPTION:
140 case wxSYS_COLOUR_MENU:
141 case wxSYS_COLOUR_WINDOWFRAME:
142 case wxSYS_COLOUR_ACTIVEBORDER:
143 case wxSYS_COLOUR_INACTIVEBORDER:
144 case wxSYS_COLOUR_BTNFACE:
0d0b57ac 145 //case wxSYS_COLOUR_3DFACE:
5b211fbf 146 case wxSYS_COLOUR_3DLIGHT:
0d0b57ac 147 color = wxColor(ButtonStyle()->bg[GTK_STATE_NORMAL]);
b0ae510a 148 break;
643ccf62 149
db434467 150 case wxSYS_COLOUR_WINDOW:
0d0b57ac 151 color = wxColor(TextCtrlStyle()->base[GTK_STATE_NORMAL]);
b0ae510a 152 break;
643ccf62 153
3ab6b7e6 154 case wxSYS_COLOUR_MENUBAR:
0d0b57ac 155 color = wxColor(MenuBarStyle()->bg[GTK_STATE_NORMAL]);
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156 break;
157
37d403aa 158 case wxSYS_COLOUR_3DDKSHADOW:
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159 color = *wxBLACK;
160 break;
643ccf62 161
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162 case wxSYS_COLOUR_GRAYTEXT:
163 case wxSYS_COLOUR_BTNSHADOW:
37d403aa 164 //case wxSYS_COLOUR_3DSHADOW:
37d403aa 165 {
984152a6 166 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
0d0b57ac 167 color =
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168 wxColour((unsigned char) (faceColour.Red() * 2 / 3),
169 (unsigned char) (faceColour.Green() * 2 / 3),
170 (unsigned char) (faceColour.Blue() * 2 / 3));
db434467 171 }
b0ae510a 172 break;
643ccf62 173
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174 case wxSYS_COLOUR_BTNHIGHLIGHT:
175 //case wxSYS_COLOUR_BTNHILIGHT:
176 //case wxSYS_COLOUR_3DHIGHLIGHT:
177 //case wxSYS_COLOUR_3DHILIGHT:
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178 color = *wxWHITE;
179 break;
643ccf62 180
db434467 181 case wxSYS_COLOUR_HIGHLIGHT:
0d0b57ac 182 color = wxColor(ButtonStyle()->bg[GTK_STATE_SELECTED]);
b0ae510a 183 break;
643ccf62 184
74f55195 185 case wxSYS_COLOUR_LISTBOX:
0d0b57ac 186 color = wxColor(ListStyle()->base[GTK_STATE_NORMAL]);
b0ae510a 187 break;
643ccf62 188
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189 case wxSYS_COLOUR_LISTBOXTEXT:
190 color = wxColor(ListStyle()->text[GTK_STATE_NORMAL]);
191 break;
192
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193 case wxSYS_COLOUR_MENUTEXT:
194 case wxSYS_COLOUR_WINDOWTEXT:
195 case wxSYS_COLOUR_CAPTIONTEXT:
196 case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
197 case wxSYS_COLOUR_BTNTEXT:
0d0b57ac 198 color = wxColor(ButtonStyle()->fg[GTK_STATE_NORMAL]);
b0ae510a 199 break;
643ccf62 200
17d61cbf 201 case wxSYS_COLOUR_INFOBK:
0d0b57ac 202 color = wxColor(ToolTipStyle()->bg[GTK_STATE_NORMAL]);
b0ae510a 203 break;
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204
205 case wxSYS_COLOUR_INFOTEXT:
0d0b57ac 206 color = wxColor(ToolTipStyle()->fg[GTK_STATE_NORMAL]);
b0ae510a 207 break;
17d61cbf 208
643ccf62 209 case wxSYS_COLOUR_HIGHLIGHTTEXT:
0d0b57ac 210 color = wxColor(ButtonStyle()->fg[GTK_STATE_SELECTED]);
b0ae510a 211 break;
643ccf62 212
643ccf62 213 case wxSYS_COLOUR_APPWORKSPACE:
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214 color = *wxWHITE; // ?
215 break;
221ed576 216
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217 case wxSYS_COLOUR_ACTIVECAPTION:
218 case wxSYS_COLOUR_MENUHILIGHT:
0d0b57ac 219 color = wxColor(MenuItemStyle()->bg[GTK_STATE_SELECTED]);
b0ae510a 220 break;
9d6a9fdd 221
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222 case wxSYS_COLOUR_HOTLIGHT:
223 case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
224 case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
221ed576 225 // TODO
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226 color = *wxBLACK;
227 break;
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228
229 case wxSYS_COLOUR_MAX:
230 default:
231 wxFAIL_MSG( _T("unknown system colour index") );
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232 color = *wxWHITE;
233 break;
e24b680c 234 }
643ccf62 235
e3527f7b 236 wxASSERT(color.IsOk());
b0ae510a 237 return color;
ff7b1510 238}
c801d85f 239
0ab5e0e8 240wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
c801d85f 241{
b0ae510a 242 wxFont font;
2d17d68f 243 switch (index)
c801d85f 244 {
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245 case wxSYS_OEM_FIXED_FONT:
246 case wxSYS_ANSI_FIXED_FONT:
247 case wxSYS_SYSTEM_FIXED_FONT:
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248 font = *wxNORMAL_FONT;
249 break;
250
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251 case wxSYS_ANSI_VAR_FONT:
252 case wxSYS_SYSTEM_FONT:
253 case wxSYS_DEVICE_DEFAULT_FONT:
254 case wxSYS_DEFAULT_GUI_FONT:
0d0b57ac 255 if (!gs_fontSystem.Ok())
d06b34a7 256 {
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257 wxNativeFontInfo info;
258 info.description = ButtonStyle()->font_desc;
259 gs_fontSystem = wxFont(info);
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260
261 // (try to) heal the default font (on some common systems e.g. Ubuntu
262 // it's "Sans Serif" but the real font is called "Sans"):
263 if (!wxFontEnumerator::IsValidFacename(gs_fontSystem.GetFaceName()) &&
264 gs_fontSystem.GetFaceName() == "Sans Serif")
265 gs_fontSystem.SetFaceName("Sans");
266
0d0b57ac 267 info.description = NULL;
d06b34a7 268 }
0d0b57ac 269 font = gs_fontSystem;
b0ae510a 270 break;
c801d85f 271
0ab5e0e8 272 default:
b0ae510a 273 break;
0ab5e0e8 274 }
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275
276 wxASSERT(font.IsOk() && wxFontEnumerator::IsValidFacename(font.GetFaceName()));
277
b0ae510a 278 return font;
c801d85f 279}
c801d85f 280
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281// helper: return the GtkSettings either for the screen the current window is
282// on or for the default screen if window is NULL
283static GtkSettings *GetSettingsForWindowScreen(GdkWindow *window)
284{
285 return window ? gtk_settings_get_for_screen(gdk_drawable_get_screen(window))
286 : gtk_settings_get_default();
287}
288
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289static int GetBorderWidth(wxSystemMetric index, wxWindow* win)
290{
291 if (win->m_wxwindow)
292 {
293 wxPizza* pizza = WX_PIZZA(win->m_wxwindow);
294 int x, y;
295 pizza->get_border_widths(x, y);
296 switch (index)
297 {
298 case wxSYS_BORDER_X:
299 case wxSYS_EDGE_X:
300 case wxSYS_FRAMESIZE_X:
301 return x;
302 default:
303 return y;
304 }
305 }
306 return -1;
307}
308
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309int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
310{
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311 GdkWindow *window = NULL;
312 if(win && GTK_WIDGET_REALIZED(win->GetHandle()))
313 window = win->GetHandle()->window;
9b0b5ba7 314
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315 switch (index)
316 {
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317 case wxSYS_BORDER_X:
318 case wxSYS_BORDER_Y:
319 case wxSYS_EDGE_X:
320 case wxSYS_EDGE_Y:
321 case wxSYS_FRAMESIZE_X:
322 case wxSYS_FRAMESIZE_Y:
53357e24 323 if (win)
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324 {
325 wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
326 if (!tlw)
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327 return GetBorderWidth(index, win);
328 else if (window)
9b0b5ba7 329 {
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330 // Get the frame extents from the windowmanager.
331 // In most cases the top extent is the titlebar, so we use the bottom extent
332 // for the heights.
37cafc6a 333 int right, bottom;
166b4de7 334 if (wxGetFrameExtents(window, NULL, &right, NULL, &bottom))
9b0b5ba7 335 {
37cafc6a 336 switch (index)
9b0b5ba7 337 {
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338 case wxSYS_BORDER_X:
339 case wxSYS_EDGE_X:
340 case wxSYS_FRAMESIZE_X:
341 return right; // width of right extent
342 default:
343 return bottom; // height of bottom extent
9b0b5ba7 344 }
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345 }
346 }
347 }
348
349 return -1; // no window specified
350
351 case wxSYS_CURSOR_X:
352 case wxSYS_CURSOR_Y:
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353 return gdk_display_get_default_cursor_size(
354 window ? gdk_drawable_get_display(window)
355 : gdk_display_get_default());
17d61cbf 356
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357 case wxSYS_DCLICK_X:
358 case wxSYS_DCLICK_Y:
359 gint dclick_distance;
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360 g_object_get(GetSettingsForWindowScreen(window),
361 "gtk-double-click-distance", &dclick_distance, NULL);
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362
363 return dclick_distance * 2;
44fd6f72 364
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365 case wxSYS_DCLICK_MSEC:
366 gint dclick;
ff654490 367 g_object_get(GetSettingsForWindowScreen(window),
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368 "gtk-double-click-time", &dclick, NULL);
369 return dclick;
370
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371 case wxSYS_DRAG_X:
372 case wxSYS_DRAG_Y:
373 gint drag_threshold;
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374 g_object_get(GetSettingsForWindowScreen(window),
375 "gtk-dnd-drag-threshold", &drag_threshold, NULL);
44fd6f72 376
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377 // The correct thing here would be to double the value
378 // since that is what the API wants. But the values
379 // are much bigger under GNOME than under Windows and
380 // just seem to much in many cases to be useful.
f4322df6 381 // drag_threshold *= 2;
9fcdfe05 382
1e7373d0 383 return drag_threshold;
9b0b5ba7 384
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385 case wxSYS_ICON_X:
386 case wxSYS_ICON_Y:
387 return 32;
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388
389 case wxSYS_SCREEN_X:
ff654490 390 if (window)
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391 return gdk_screen_get_width(gdk_drawable_get_screen(window));
392 else
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393 return gdk_screen_width();
394
395 case wxSYS_SCREEN_Y:
ff654490 396 if (window)
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397 return gdk_screen_get_height(gdk_drawable_get_screen(window));
398 else
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399 return gdk_screen_height();
400
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401 case wxSYS_HSCROLL_Y:
402 case wxSYS_VSCROLL_X:
403 return 15;
9b0b5ba7 404
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405 case wxSYS_CAPTION_Y:
406 if (!window)
407 // No realized window specified, and no implementation for that case yet.
408 return -1;
409
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410 wxASSERT_MSG( wxDynamicCast(win, wxTopLevelWindow),
411 wxT("Asking for caption height of a non toplevel window") );
412
413 // Get the height of the top windowmanager border.
414 // This is the titlebar in most cases. The titlebar might be elsewhere, and
415 // we could check which is the thickest wm border to decide on which side the
416 // titlebar is, but this might lead to interesting behaviours in used code.
417 // Reconsider when we have a way to report to the user on which side it is.
9b0b5ba7 418 {
37cafc6a 419 int top;
166b4de7 420 if (wxGetFrameExtents(window, NULL, NULL, &top, NULL))
9b0b5ba7 421 {
37cafc6a 422 return top; // top frame extent
9b0b5ba7 423 }
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424 }
425
426 // Try a default approach without a window pointer, if possible
427 // ...
428
429 return -1;
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430
431 case wxSYS_PENWINDOWS_PRESENT:
432 // No MS Windows for Pen computing extension available in X11 based gtk+.
433 return 0;
434
435 default:
1d451c5b 436 return -1; // metric is unknown
1ecc4d80 437 }
c67daf87 438}
253293c1 439
0ab5e0e8 440bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
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441{
442 switch (index)
443 {
17a1ebd1 444 case wxSYS_CAN_ICONIZE_FRAME:
e7c80f9e 445 return false;
17a1ebd1 446
253293c1 447 case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
e7c80f9e 448 return true;
17a1ebd1 449
253293c1 450 default:
e7c80f9e 451 return false;
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452 }
453}