static bool wxQueryWMspecSupport(Display* WXUNUSED(display), Window WXUNUSED(rootWnd), Atom (feature)) { GdkAtom gatom = gdk_x11_xatom_to_atom(feature); return gdk_net_wm_supports(gatom); }
static VALUE rbx11_net_wm_supports(VALUE self, VALUE property) { return CBOOL2RVAL(gdk_net_wm_supports(RVAL2ATOM(property))); }
int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) { guchar *data = NULL; Atom type; int format; gulong nitems; GdkWindow *window = NULL; if(win && GTK_WIDGET_REALIZED(win->GetHandle())) window = win->GetHandle()->window; switch (index) { case wxSYS_BORDER_X: case wxSYS_BORDER_Y: case wxSYS_EDGE_X: case wxSYS_EDGE_Y: case wxSYS_FRAMESIZE_X: case wxSYS_FRAMESIZE_Y: // If a window is specified/realized, and it is a toplevel window, we can query from wm. // The returned border thickness is outside the client area in that case. if (window) { wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow); if (!tlw) return -1; // not a tlw, not sure how to approach else { // Check if wm supports frame extents - we can't know // the border widths if it does not. #if GTK_CHECK_VERSION(2,2,0) if (!gtk_check_version(2,2,0)) { if (!gdk_x11_screen_supports_net_wm_hint( gdk_drawable_get_screen(window), gdk_atom_intern("_NET_FRAME_EXTENTS", false) ) ) return -1; } else #endif { if (!gdk_net_wm_supports(gdk_atom_intern("_NET_FRAME_EXTENTS", false))) return -1; } // Get the frame extents from the windowmanager. // In most cases the top extent is the titlebar, so we use the bottom extent // for the heights. if (wxXGetWindowProperty(window, type, format, nitems, data)) { int border_return = -1; if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 4) && (data)) { switch(index) { case wxSYS_BORDER_X: case wxSYS_EDGE_X: case wxSYS_FRAMESIZE_X: border_return = ((long*)data)[1]; // width of right extent break; default: border_return = ((long*)data)[3]; // height of bottom extent break; } } if (data) XFree(data); return border_return; } } } return -1; // no window specified case wxSYS_CURSOR_X: case wxSYS_CURSOR_Y: #ifdef __WXGTK24__ if (!gtk_check_version(2,4,0)) { if (window) return gdk_display_get_default_cursor_size(gdk_drawable_get_display(window)); else return gdk_display_get_default_cursor_size(gdk_display_get_default()); } else #endif return 16; case wxSYS_DCLICK_X: case wxSYS_DCLICK_Y: gint dclick_distance; #if GTK_CHECK_VERSION(2,2,0) if (window && !gtk_check_version(2,2,0)) g_object_get(gtk_settings_get_for_screen(gdk_drawable_get_screen(window)), "gtk-double-click-distance", &dclick_distance, NULL); else #endif g_object_get(gtk_settings_get_default(), "gtk-double-click-distance", &dclick_distance, NULL); return dclick_distance * 2; case wxSYS_DRAG_X: case wxSYS_DRAG_Y: gint drag_threshold; #if GTK_CHECK_VERSION(2,2,0) if (window && !gtk_check_version(2,2,0)) { g_object_get( gtk_settings_get_for_screen(gdk_drawable_get_screen(window)), "gtk-dnd-drag-threshold", &drag_threshold, NULL); } else #endif { g_object_get(gtk_settings_get_default(), "gtk-dnd-drag-threshold", &drag_threshold, NULL); } // The correct thing here would be to double the value // since that is what the API wants. But the values // are much bigger under GNOME than under Windows and // just seem to much in many cases to be useful. // drag_threshold *= 2; return drag_threshold; // MBN: ditto for icons case wxSYS_ICON_X: return 32; case wxSYS_ICON_Y: return 32; case wxSYS_SCREEN_X: #if GTK_CHECK_VERSION(2,2,0) if (window && !gtk_check_version(2,2,0)) return gdk_screen_get_width(gdk_drawable_get_screen(window)); else #endif return gdk_screen_width(); case wxSYS_SCREEN_Y: #if GTK_CHECK_VERSION(2,2,0) if (window && !gtk_check_version(2,2,0)) return gdk_screen_get_height(gdk_drawable_get_screen(window)); else #endif return gdk_screen_height(); case wxSYS_HSCROLL_Y: return 15; case wxSYS_VSCROLL_X: return 15; case wxSYS_CAPTION_Y: if (!window) // No realized window specified, and no implementation for that case yet. return -1; // Check if wm supports frame extents - we can't know the caption height if it does not. #if GTK_CHECK_VERSION(2,2,0) if (!gtk_check_version(2,2,0)) { if (!gdk_x11_screen_supports_net_wm_hint( gdk_drawable_get_screen(window), gdk_atom_intern("_NET_FRAME_EXTENTS", false) ) ) return -1; } else #endif { if (!gdk_net_wm_supports(gdk_atom_intern("_NET_FRAME_EXTENTS", false))) return -1; } wxASSERT_MSG( wxDynamicCast(win, wxTopLevelWindow), wxT("Asking for caption height of a non toplevel window") ); // Get the height of the top windowmanager border. // This is the titlebar in most cases. The titlebar might be elsewhere, and // we could check which is the thickest wm border to decide on which side the // titlebar is, but this might lead to interesting behaviours in used code. // Reconsider when we have a way to report to the user on which side it is. if (wxXGetWindowProperty(window, type, format, nitems, data)) { int caption_height = -1; if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 3) && (data)) { caption_height = ((long*)data)[2]; // top frame extent } if (data) XFree(data); return caption_height; } // Try a default approach without a window pointer, if possible // ... return -1; case wxSYS_PENWINDOWS_PRESENT: // No MS Windows for Pen computing extension available in X11 based gtk+. return 0; default: return -1; // metric is unknown } }