| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/gtk/settings.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Modified by: Mart Raudsepp (GetMetric) |
| 6 | // Id: $Id$ |
| 7 | // Copyright: (c) 1998 Robert Roebling |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | // For compilers that support precompilation, includes "wx.h". |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #include "wx/settings.h" |
| 15 | |
| 16 | #ifndef WX_PRECOMP |
| 17 | #include "wx/cmndata.h" |
| 18 | #include "wx/toplevel.h" |
| 19 | #endif |
| 20 | |
| 21 | #include "wx/fontutil.h" |
| 22 | |
| 23 | #include <gtk/gtk.h> |
| 24 | #include "wx/gtk/private/win_gtk.h" |
| 25 | |
| 26 | bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom); |
| 27 | |
| 28 | // ---------------------------------------------------------------------------- |
| 29 | // wxSystemSettings implementation |
| 30 | // ---------------------------------------------------------------------------- |
| 31 | |
| 32 | static wxFont gs_fontSystem; |
| 33 | |
| 34 | static GtkContainer* ContainerWidget() |
| 35 | { |
| 36 | static GtkContainer* s_widget; |
| 37 | if (s_widget == NULL) |
| 38 | { |
| 39 | s_widget = GTK_CONTAINER(gtk_fixed_new()); |
| 40 | GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 41 | gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(s_widget)); |
| 42 | } |
| 43 | return s_widget; |
| 44 | } |
| 45 | |
| 46 | extern "C" { |
| 47 | static void style_set(GtkWidget*, GtkStyle*, void*) |
| 48 | { |
| 49 | gs_fontSystem = wxNullFont; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | static const GtkStyle* ButtonStyle() |
| 54 | { |
| 55 | static GtkWidget* s_widget; |
| 56 | if (s_widget == NULL) |
| 57 | { |
| 58 | s_widget = gtk_button_new(); |
| 59 | gtk_container_add(ContainerWidget(), s_widget); |
| 60 | gtk_widget_ensure_style(s_widget); |
| 61 | g_signal_connect(s_widget, "style_set", G_CALLBACK(style_set), NULL); |
| 62 | } |
| 63 | return s_widget->style; |
| 64 | } |
| 65 | |
| 66 | static const GtkStyle* ListStyle() |
| 67 | { |
| 68 | static GtkWidget* s_widget; |
| 69 | if (s_widget == NULL) |
| 70 | { |
| 71 | s_widget = gtk_tree_view_new_with_model( |
| 72 | GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_INT))); |
| 73 | gtk_container_add(ContainerWidget(), s_widget); |
| 74 | gtk_widget_ensure_style(s_widget); |
| 75 | } |
| 76 | return s_widget->style; |
| 77 | } |
| 78 | |
| 79 | static const GtkStyle* TextCtrlStyle() |
| 80 | { |
| 81 | static GtkWidget* s_widget; |
| 82 | if (s_widget == NULL) |
| 83 | { |
| 84 | s_widget = gtk_text_view_new(); |
| 85 | gtk_container_add(ContainerWidget(), s_widget); |
| 86 | gtk_widget_ensure_style(s_widget); |
| 87 | } |
| 88 | return s_widget->style; |
| 89 | } |
| 90 | |
| 91 | static const GtkStyle* MenuItemStyle() |
| 92 | { |
| 93 | static GtkWidget* s_widget; |
| 94 | if (s_widget == NULL) |
| 95 | { |
| 96 | s_widget = gtk_menu_item_new(); |
| 97 | gtk_container_add(ContainerWidget(), s_widget); |
| 98 | gtk_widget_ensure_style(s_widget); |
| 99 | } |
| 100 | return s_widget->style; |
| 101 | } |
| 102 | |
| 103 | static const GtkStyle* MenuBarStyle() |
| 104 | { |
| 105 | static GtkWidget* s_widget; |
| 106 | if (s_widget == NULL) |
| 107 | { |
| 108 | s_widget = gtk_menu_bar_new(); |
| 109 | gtk_container_add(ContainerWidget(), s_widget); |
| 110 | gtk_widget_ensure_style(s_widget); |
| 111 | } |
| 112 | return s_widget->style; |
| 113 | } |
| 114 | |
| 115 | static const GtkStyle* ToolTipStyle() |
| 116 | { |
| 117 | static GtkWidget* s_widget; |
| 118 | if (s_widget == NULL) |
| 119 | { |
| 120 | s_widget = gtk_window_new(GTK_WINDOW_POPUP); |
| 121 | const char* name = "gtk-tooltip"; |
| 122 | if (gtk_check_version(2, 11, 0)) |
| 123 | name = "gtk-tooltips"; |
| 124 | gtk_widget_set_name(s_widget, name); |
| 125 | gtk_widget_ensure_style(s_widget); |
| 126 | } |
| 127 | return s_widget->style; |
| 128 | } |
| 129 | |
| 130 | wxColour wxSystemSettingsNative::GetColour( wxSystemColour index ) |
| 131 | { |
| 132 | wxColor color; |
| 133 | switch (index) |
| 134 | { |
| 135 | case wxSYS_COLOUR_SCROLLBAR: |
| 136 | case wxSYS_COLOUR_BACKGROUND: |
| 137 | //case wxSYS_COLOUR_DESKTOP: |
| 138 | case wxSYS_COLOUR_INACTIVECAPTION: |
| 139 | case wxSYS_COLOUR_MENU: |
| 140 | case wxSYS_COLOUR_WINDOWFRAME: |
| 141 | case wxSYS_COLOUR_ACTIVEBORDER: |
| 142 | case wxSYS_COLOUR_INACTIVEBORDER: |
| 143 | case wxSYS_COLOUR_BTNFACE: |
| 144 | //case wxSYS_COLOUR_3DFACE: |
| 145 | case wxSYS_COLOUR_3DLIGHT: |
| 146 | color = wxColor(ButtonStyle()->bg[GTK_STATE_NORMAL]); |
| 147 | break; |
| 148 | |
| 149 | case wxSYS_COLOUR_WINDOW: |
| 150 | color = wxColor(TextCtrlStyle()->base[GTK_STATE_NORMAL]); |
| 151 | break; |
| 152 | |
| 153 | case wxSYS_COLOUR_MENUBAR: |
| 154 | color = wxColor(MenuBarStyle()->bg[GTK_STATE_NORMAL]); |
| 155 | break; |
| 156 | |
| 157 | case wxSYS_COLOUR_3DDKSHADOW: |
| 158 | color = *wxBLACK; |
| 159 | break; |
| 160 | |
| 161 | case wxSYS_COLOUR_GRAYTEXT: |
| 162 | case wxSYS_COLOUR_BTNSHADOW: |
| 163 | //case wxSYS_COLOUR_3DSHADOW: |
| 164 | { |
| 165 | wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE)); |
| 166 | color = |
| 167 | wxColour((unsigned char) (faceColour.Red() * 2 / 3), |
| 168 | (unsigned char) (faceColour.Green() * 2 / 3), |
| 169 | (unsigned char) (faceColour.Blue() * 2 / 3)); |
| 170 | } |
| 171 | break; |
| 172 | |
| 173 | case wxSYS_COLOUR_BTNHIGHLIGHT: |
| 174 | //case wxSYS_COLOUR_BTNHILIGHT: |
| 175 | //case wxSYS_COLOUR_3DHIGHLIGHT: |
| 176 | //case wxSYS_COLOUR_3DHILIGHT: |
| 177 | color = *wxWHITE; |
| 178 | break; |
| 179 | |
| 180 | case wxSYS_COLOUR_HIGHLIGHT: |
| 181 | color = wxColor(ButtonStyle()->bg[GTK_STATE_SELECTED]); |
| 182 | break; |
| 183 | |
| 184 | case wxSYS_COLOUR_LISTBOX: |
| 185 | color = wxColor(ListStyle()->base[GTK_STATE_NORMAL]); |
| 186 | break; |
| 187 | |
| 188 | case wxSYS_COLOUR_MENUTEXT: |
| 189 | case wxSYS_COLOUR_WINDOWTEXT: |
| 190 | case wxSYS_COLOUR_CAPTIONTEXT: |
| 191 | case wxSYS_COLOUR_INACTIVECAPTIONTEXT: |
| 192 | case wxSYS_COLOUR_BTNTEXT: |
| 193 | color = wxColor(ButtonStyle()->fg[GTK_STATE_NORMAL]); |
| 194 | break; |
| 195 | |
| 196 | case wxSYS_COLOUR_INFOBK: |
| 197 | color = wxColor(ToolTipStyle()->bg[GTK_STATE_NORMAL]); |
| 198 | break; |
| 199 | |
| 200 | case wxSYS_COLOUR_INFOTEXT: |
| 201 | color = wxColor(ToolTipStyle()->fg[GTK_STATE_NORMAL]); |
| 202 | break; |
| 203 | |
| 204 | case wxSYS_COLOUR_HIGHLIGHTTEXT: |
| 205 | color = wxColor(ButtonStyle()->fg[GTK_STATE_SELECTED]); |
| 206 | break; |
| 207 | |
| 208 | case wxSYS_COLOUR_APPWORKSPACE: |
| 209 | color = *wxWHITE; // ? |
| 210 | break; |
| 211 | |
| 212 | case wxSYS_COLOUR_ACTIVECAPTION: |
| 213 | case wxSYS_COLOUR_MENUHILIGHT: |
| 214 | color = wxColor(MenuItemStyle()->bg[GTK_STATE_SELECTED]); |
| 215 | break; |
| 216 | |
| 217 | case wxSYS_COLOUR_HOTLIGHT: |
| 218 | case wxSYS_COLOUR_GRADIENTACTIVECAPTION: |
| 219 | case wxSYS_COLOUR_GRADIENTINACTIVECAPTION: |
| 220 | // TODO |
| 221 | color = *wxBLACK; |
| 222 | break; |
| 223 | |
| 224 | case wxSYS_COLOUR_MAX: |
| 225 | default: |
| 226 | wxFAIL_MSG( _T("unknown system colour index") ); |
| 227 | color = *wxWHITE; |
| 228 | break; |
| 229 | } |
| 230 | |
| 231 | return color; |
| 232 | } |
| 233 | |
| 234 | wxFont wxSystemSettingsNative::GetFont( wxSystemFont index ) |
| 235 | { |
| 236 | wxFont font; |
| 237 | switch (index) |
| 238 | { |
| 239 | case wxSYS_OEM_FIXED_FONT: |
| 240 | case wxSYS_ANSI_FIXED_FONT: |
| 241 | case wxSYS_SYSTEM_FIXED_FONT: |
| 242 | font = *wxNORMAL_FONT; |
| 243 | break; |
| 244 | |
| 245 | case wxSYS_ANSI_VAR_FONT: |
| 246 | case wxSYS_SYSTEM_FONT: |
| 247 | case wxSYS_DEVICE_DEFAULT_FONT: |
| 248 | case wxSYS_DEFAULT_GUI_FONT: |
| 249 | if (!gs_fontSystem.Ok()) |
| 250 | { |
| 251 | wxNativeFontInfo info; |
| 252 | info.description = ButtonStyle()->font_desc; |
| 253 | gs_fontSystem = wxFont(info); |
| 254 | info.description = NULL; |
| 255 | } |
| 256 | font = gs_fontSystem; |
| 257 | break; |
| 258 | |
| 259 | default: |
| 260 | break; |
| 261 | } |
| 262 | return font; |
| 263 | } |
| 264 | |
| 265 | // helper: return the GtkSettings either for the screen the current window is |
| 266 | // on or for the default screen if window is NULL |
| 267 | static GtkSettings *GetSettingsForWindowScreen(GdkWindow *window) |
| 268 | { |
| 269 | return window ? gtk_settings_get_for_screen(gdk_drawable_get_screen(window)) |
| 270 | : gtk_settings_get_default(); |
| 271 | } |
| 272 | |
| 273 | static int GetBorderWidth(wxSystemMetric index, wxWindow* win) |
| 274 | { |
| 275 | if (win->m_wxwindow) |
| 276 | { |
| 277 | wxPizza* pizza = WX_PIZZA(win->m_wxwindow); |
| 278 | int x, y; |
| 279 | pizza->get_border_widths(x, y); |
| 280 | switch (index) |
| 281 | { |
| 282 | case wxSYS_BORDER_X: |
| 283 | case wxSYS_EDGE_X: |
| 284 | case wxSYS_FRAMESIZE_X: |
| 285 | return x; |
| 286 | default: |
| 287 | return y; |
| 288 | } |
| 289 | } |
| 290 | return -1; |
| 291 | } |
| 292 | |
| 293 | int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) |
| 294 | { |
| 295 | GdkWindow *window = NULL; |
| 296 | if(win && GTK_WIDGET_REALIZED(win->GetHandle())) |
| 297 | window = win->GetHandle()->window; |
| 298 | |
| 299 | switch (index) |
| 300 | { |
| 301 | case wxSYS_BORDER_X: |
| 302 | case wxSYS_BORDER_Y: |
| 303 | case wxSYS_EDGE_X: |
| 304 | case wxSYS_EDGE_Y: |
| 305 | case wxSYS_FRAMESIZE_X: |
| 306 | case wxSYS_FRAMESIZE_Y: |
| 307 | if (win) |
| 308 | { |
| 309 | wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow); |
| 310 | if (!tlw) |
| 311 | return GetBorderWidth(index, win); |
| 312 | else if (window) |
| 313 | { |
| 314 | // Get the frame extents from the windowmanager. |
| 315 | // In most cases the top extent is the titlebar, so we use the bottom extent |
| 316 | // for the heights. |
| 317 | int right, bottom; |
| 318 | if (wxGetFrameExtents(window, NULL, &right, NULL, &bottom)) |
| 319 | { |
| 320 | switch (index) |
| 321 | { |
| 322 | case wxSYS_BORDER_X: |
| 323 | case wxSYS_EDGE_X: |
| 324 | case wxSYS_FRAMESIZE_X: |
| 325 | return right; // width of right extent |
| 326 | default: |
| 327 | return bottom; // height of bottom extent |
| 328 | } |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | return -1; // no window specified |
| 334 | |
| 335 | case wxSYS_CURSOR_X: |
| 336 | case wxSYS_CURSOR_Y: |
| 337 | return gdk_display_get_default_cursor_size( |
| 338 | window ? gdk_drawable_get_display(window) |
| 339 | : gdk_display_get_default()); |
| 340 | |
| 341 | case wxSYS_DCLICK_X: |
| 342 | case wxSYS_DCLICK_Y: |
| 343 | gint dclick_distance; |
| 344 | g_object_get(GetSettingsForWindowScreen(window), |
| 345 | "gtk-double-click-distance", &dclick_distance, NULL); |
| 346 | |
| 347 | return dclick_distance * 2; |
| 348 | |
| 349 | case wxSYS_DCLICK_MSEC: |
| 350 | gint dclick; |
| 351 | g_object_get(GetSettingsForWindowScreen(window), |
| 352 | "gtk-double-click-time", &dclick, NULL); |
| 353 | return dclick; |
| 354 | |
| 355 | case wxSYS_DRAG_X: |
| 356 | case wxSYS_DRAG_Y: |
| 357 | gint drag_threshold; |
| 358 | g_object_get(GetSettingsForWindowScreen(window), |
| 359 | "gtk-dnd-drag-threshold", &drag_threshold, NULL); |
| 360 | |
| 361 | // The correct thing here would be to double the value |
| 362 | // since that is what the API wants. But the values |
| 363 | // are much bigger under GNOME than under Windows and |
| 364 | // just seem to much in many cases to be useful. |
| 365 | // drag_threshold *= 2; |
| 366 | |
| 367 | return drag_threshold; |
| 368 | |
| 369 | case wxSYS_ICON_X: |
| 370 | case wxSYS_ICON_Y: |
| 371 | return 32; |
| 372 | |
| 373 | case wxSYS_SCREEN_X: |
| 374 | if (window) |
| 375 | return gdk_screen_get_width(gdk_drawable_get_screen(window)); |
| 376 | else |
| 377 | return gdk_screen_width(); |
| 378 | |
| 379 | case wxSYS_SCREEN_Y: |
| 380 | if (window) |
| 381 | return gdk_screen_get_height(gdk_drawable_get_screen(window)); |
| 382 | else |
| 383 | return gdk_screen_height(); |
| 384 | |
| 385 | case wxSYS_HSCROLL_Y: |
| 386 | case wxSYS_VSCROLL_X: |
| 387 | return 15; |
| 388 | |
| 389 | case wxSYS_CAPTION_Y: |
| 390 | if (!window) |
| 391 | // No realized window specified, and no implementation for that case yet. |
| 392 | return -1; |
| 393 | |
| 394 | wxASSERT_MSG( wxDynamicCast(win, wxTopLevelWindow), |
| 395 | wxT("Asking for caption height of a non toplevel window") ); |
| 396 | |
| 397 | // Get the height of the top windowmanager border. |
| 398 | // This is the titlebar in most cases. The titlebar might be elsewhere, and |
| 399 | // we could check which is the thickest wm border to decide on which side the |
| 400 | // titlebar is, but this might lead to interesting behaviours in used code. |
| 401 | // Reconsider when we have a way to report to the user on which side it is. |
| 402 | { |
| 403 | int top; |
| 404 | if (wxGetFrameExtents(window, NULL, NULL, &top, NULL)) |
| 405 | { |
| 406 | return top; // top frame extent |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | // Try a default approach without a window pointer, if possible |
| 411 | // ... |
| 412 | |
| 413 | return -1; |
| 414 | |
| 415 | case wxSYS_PENWINDOWS_PRESENT: |
| 416 | // No MS Windows for Pen computing extension available in X11 based gtk+. |
| 417 | return 0; |
| 418 | |
| 419 | default: |
| 420 | return -1; // metric is unknown |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | bool wxSystemSettingsNative::HasFeature(wxSystemFeature index) |
| 425 | { |
| 426 | switch (index) |
| 427 | { |
| 428 | case wxSYS_CAN_ICONIZE_FRAME: |
| 429 | return false; |
| 430 | |
| 431 | case wxSYS_CAN_DRAW_FRAME_DECORATIONS: |
| 432 | return true; |
| 433 | |
| 434 | default: |
| 435 | return false; |
| 436 | } |
| 437 | } |