X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1e7373d0d3d2b512c7d0151bcc44016edb6ceaaa..fdb47e62b9f47f234bb0d34aa45dd1a44fdd1cbe:/src/gtk/settings.cpp diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp index 2dc070401f..1be34246f3 100644 --- a/src/gtk/settings.cpp +++ b/src/gtk/settings.cpp @@ -20,21 +20,16 @@ #include "wx/fontutil.h" -// Using gtk_list_new, which is deprecated since GTK2 -// Using gtk_object_sink, which is deprecated since GTK+-2.9.0 -#ifdef GTK_DISABLE_DEPRECATED -#undef GTK_DISABLE_DEPRECATED +#include +#if GTK_CHECK_VERSION(2, 9, 0) + // gtk_object_sink + #undef GTK_DISABLE_DEPRECATED #endif - -#include -#include -#include #include +#include #include -#define SHIFT (8*(sizeof(short int)-sizeof(char))) - // ---------------------------------------------------------------------------- // wxSystemObjects // ---------------------------------------------------------------------------- @@ -47,16 +42,36 @@ struct wxSystemObjects m_colHighlight, m_colHighlightText, m_colListBox, + m_colWindow, + m_colWindowText, m_colBtnText, m_colMenuItemHighlight, m_colTooltip, - m_colTooltipText; + m_colTooltipText, + m_colMenubarBg; wxFont m_fontSystem; }; static wxSystemObjects gs_objects; +void wxClearGtkSystemObjects() +{ + gs_objects.m_colBtnFace = wxColour(); + gs_objects.m_colBtnShadow = wxColour(); + gs_objects.m_colBtnHighlight = wxColour(); + gs_objects.m_colHighlightText = wxColour(); + gs_objects.m_colListBox = wxColour(); + gs_objects.m_colWindow = wxColour(); + gs_objects.m_colWindowText = wxColour(); + gs_objects.m_colBtnText = wxColour(); + gs_objects.m_colMenuItemHighlight = wxColour(); + gs_objects.m_colTooltip = wxColour(); + gs_objects.m_colTooltipText = wxColour(); + gs_objects.m_colMenubarBg = wxColour(); + gs_objects.m_fontSystem = wxNullFont; +} + // ---------------------------------------------------------------------------- // wxSystemSettings implementation // ---------------------------------------------------------------------------- @@ -66,7 +81,9 @@ enum wxGtkWidgetType { wxGTK_BUTTON, wxGTK_LIST, - wxGTK_MENUITEM + wxGTK_MENUITEM, + wxGTK_TEXTCTRL, + wxGTK_MENUBAR, }; // the colour we need @@ -78,8 +95,8 @@ enum wxGtkColourType }; // wxSystemSettings::GetColour() helper: get the colours from a GTK+ -// widget style, return true if we did get them, false to use defaults -static bool GetColourFromGTKWidget(int& red, int& green, int& blue, +// widget style, return true if we did get them +static bool GetColourFromGTKWidget(GdkColor& gdkColor, wxGtkWidgetType type = wxGTK_BUTTON, GtkStateType state = GTK_STATE_NORMAL, wxGtkColourType colour = wxGTK_BG) @@ -95,22 +112,31 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue, widget = gtk_button_new(); break; + case wxGTK_TEXTCTRL: + widget = gtk_text_view_new(); + break; + case wxGTK_LIST: - widget = gtk_list_new(); + widget = gtk_tree_view_new_with_model( + (GtkTreeModel*)gtk_list_store_new(1, G_TYPE_INT)); break; case wxGTK_MENUITEM: widget = gtk_menu_item_new(); + + case wxGTK_MENUBAR: + widget = gtk_menu_bar_new(); + break; + } GtkStyle *def = gtk_rc_get_style( widget ); if ( !def ) def = gtk_widget_get_default_style(); - bool ok; - if ( def ) + const bool ok = def != NULL; + if (ok) { - GdkColor *col; switch ( colour ) { default: @@ -118,48 +144,45 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue, // fall through case wxGTK_FG: - col = def->fg; + gdkColor = def->fg[state]; break; case wxGTK_BG: - col = def->bg; + gdkColor = def->bg[state]; break; case wxGTK_BASE: - col = def->base; + gdkColor = def->base[state]; break; } - - red = col[state].red; - green = col[state].green; - blue = col[state].blue; - - ok = true; - } - else - { - ok = false; } - gtk_widget_destroy( widget ); + gtk_object_sink((GtkObject*)widget); return ok; } static void GetTooltipColors() { - GtkTooltips* tooltips = gtk_tooltips_new(); - gtk_tooltips_force_window(tooltips); - gtk_widget_ensure_style(tooltips->tip_window); - GdkColor c = tooltips->tip_window->style->bg[GTK_STATE_NORMAL]; - gs_objects.m_colTooltip = wxColor(c.red >> SHIFT, c.green >> SHIFT, c.blue >> SHIFT); - c = tooltips->tip_window->style->fg[GTK_STATE_NORMAL]; - gs_objects.m_colTooltipText = wxColor(c.red >> SHIFT, c.green >> SHIFT, c.blue >> SHIFT); - gtk_object_sink(wx_reinterpret_cast(GtkObject*, tooltips)); + GtkWidget* widget = gtk_window_new(GTK_WINDOW_POPUP); + const char* name = "gtk-tooltip"; + if (gtk_check_version(2, 11, 0)) + name = "gtk-tooltips"; + gtk_widget_set_name(widget, name); + gtk_widget_ensure_style(widget); + + GdkColor c = widget->style->bg[GTK_STATE_NORMAL]; + gs_objects.m_colTooltip = wxColor(c); + c = widget->style->fg[GTK_STATE_NORMAL]; + gs_objects.m_colTooltipText = wxColor(c); + + gtk_widget_destroy(widget); } wxColour wxSystemSettingsNative::GetColour( wxSystemColour index ) { + wxColor color; + GdkColor gdkColor; switch (index) { case wxSYS_COLOUR_SCROLLBAR: @@ -170,29 +193,46 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index ) case wxSYS_COLOUR_ACTIVEBORDER: case wxSYS_COLOUR_INACTIVEBORDER: case wxSYS_COLOUR_BTNFACE: - case wxSYS_COLOUR_MENUBAR: case wxSYS_COLOUR_3DLIGHT: if (!gs_objects.m_colBtnFace.Ok()) { - int red, green, blue; - if ( !GetColourFromGTKWidget(red, green, blue) ) - { - red = - green = 0; - blue = 0x9c40; - } - - gs_objects.m_colBtnFace = wxColour( red >> SHIFT, - green >> SHIFT, - blue >> SHIFT ); + gdkColor.red = + gdkColor.green = 0; + gdkColor.blue = 0x9c40; + GetColourFromGTKWidget(gdkColor); + gs_objects.m_colBtnFace = wxColor(gdkColor); } - return gs_objects.m_colBtnFace; + color = gs_objects.m_colBtnFace; + break; case wxSYS_COLOUR_WINDOW: - return *wxWHITE; + if (!gs_objects.m_colWindow.Ok()) + { + gdkColor.red = + gdkColor.green = + gdkColor.blue = 0xFFFF; + GetColourFromGTKWidget(gdkColor, wxGTK_TEXTCTRL, GTK_STATE_NORMAL, wxGTK_BASE); + gs_objects.m_colWindow = wxColor(gdkColor); + } + color = gs_objects.m_colWindow; + break; + + + case wxSYS_COLOUR_MENUBAR: + if (!gs_objects.m_colMenubarBg.Ok()) + { + gdkColor.red = + gdkColor.green = 0; + gdkColor.blue = 0x9c40; + GetColourFromGTKWidget(gdkColor,wxGTK_MENUBAR); + gs_objects.m_colMenubarBg = wxColor(gdkColor); + } + color = gs_objects.m_colMenubarBg; + break; case wxSYS_COLOUR_3DDKSHADOW: - return *wxBLACK; + color = *wxBLACK; + break; case wxSYS_COLOUR_GRAYTEXT: case wxSYS_COLOUR_BTNSHADOW: @@ -201,55 +241,48 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index ) { wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE)); gs_objects.m_colBtnShadow = - wxColour((unsigned char) (faceColour.Red() * 0.666), - (unsigned char) (faceColour.Green() * 0.666), - (unsigned char) (faceColour.Blue() * 0.666)); + wxColour((unsigned char) (faceColour.Red() * 2 / 3), + (unsigned char) (faceColour.Green() * 2 / 3), + (unsigned char) (faceColour.Blue() * 2 / 3)); } - - return gs_objects.m_colBtnShadow; + color = gs_objects.m_colBtnShadow; + break; case wxSYS_COLOUR_3DHIGHLIGHT: //case wxSYS_COLOUR_BTNHIGHLIGHT: - return * wxWHITE; + color = *wxWHITE; + break; case wxSYS_COLOUR_HIGHLIGHT: if (!gs_objects.m_colHighlight.Ok()) { - int red, green, blue; - if ( !GetColourFromGTKWidget(red, green, blue, - wxGTK_BUTTON, - GTK_STATE_SELECTED) ) - { - red = - green = 0; - blue = 0x9c40; - } - - gs_objects.m_colHighlight = wxColour( red >> SHIFT, - green >> SHIFT, - blue >> SHIFT ); + gdkColor.red = + gdkColor.green = 0; + gdkColor.blue = 0x9c40; + GetColourFromGTKWidget( + gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED); + gs_objects.m_colHighlight = wxColour(gdkColor); } - return gs_objects.m_colHighlight; + color = gs_objects.m_colHighlight; + break; case wxSYS_COLOUR_LISTBOX: if (!gs_objects.m_colListBox.Ok()) { - int red, green, blue; - if ( GetColourFromGTKWidget(red, green, blue, + if ( GetColourFromGTKWidget(gdkColor, wxGTK_LIST, GTK_STATE_NORMAL, wxGTK_BASE) ) { - gs_objects.m_colListBox = wxColour( red >> SHIFT, - green >> SHIFT, - blue >> SHIFT ); + gs_objects.m_colListBox = wxColour(gdkColor); } else { - gs_objects.m_colListBox = wxColour(*wxWHITE); + gs_objects.m_colListBox = *wxWHITE; } } - return gs_objects.m_colListBox; + color = gs_objects.m_colListBox; + break; case wxSYS_COLOUR_MENUTEXT: case wxSYS_COLOUR_WINDOWTEXT: @@ -258,99 +291,92 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index ) case wxSYS_COLOUR_BTNTEXT: if (!gs_objects.m_colBtnText.Ok()) { - int red, green, blue; - if ( !GetColourFromGTKWidget(red, green, blue, - wxGTK_BUTTON, - GTK_STATE_NORMAL, - wxGTK_FG) ) - { - red = - green = - blue = 0; - } - - gs_objects.m_colBtnText = wxColour( red >> SHIFT, - green >> SHIFT, - blue >> SHIFT ); + gdkColor.red = + gdkColor.green = + gdkColor.blue = 0; + GetColourFromGTKWidget( + gdkColor, wxGTK_BUTTON, GTK_STATE_NORMAL, wxGTK_FG); + gs_objects.m_colBtnText = wxColour(gdkColor); } - return gs_objects.m_colBtnText; + color = gs_objects.m_colBtnText; + break; case wxSYS_COLOUR_INFOBK: if (!gs_objects.m_colTooltip.Ok()) { GetTooltipColors(); } - return gs_objects.m_colTooltip; + color = gs_objects.m_colTooltip; + break; case wxSYS_COLOUR_INFOTEXT: if (!gs_objects.m_colTooltipText.Ok()) { GetTooltipColors(); } - return gs_objects.m_colTooltipText; + color = gs_objects.m_colTooltipText; + break; case wxSYS_COLOUR_HIGHLIGHTTEXT: if (!gs_objects.m_colHighlightText.Ok()) { wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT); if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200) - gs_objects.m_colHighlightText = wxColour(*wxBLACK); + gs_objects.m_colHighlightText = *wxBLACK; else - gs_objects.m_colHighlightText = wxColour(*wxWHITE); + gs_objects.m_colHighlightText = *wxWHITE; } - return gs_objects.m_colHighlightText; + color = gs_objects.m_colHighlightText; + break; case wxSYS_COLOUR_APPWORKSPACE: - return *wxWHITE; // ? + color = *wxWHITE; // ? + break; case wxSYS_COLOUR_ACTIVECAPTION: case wxSYS_COLOUR_MENUHILIGHT: if (!gs_objects.m_colMenuItemHighlight.Ok()) { - int red, green, blue; - if ( !GetColourFromGTKWidget(red, green, blue, - wxGTK_MENUITEM, - GTK_STATE_SELECTED, - wxGTK_BG) ) - { - red = - green = - blue = 0; - } - - gs_objects.m_colMenuItemHighlight = wxColour( red >> SHIFT, - green >> SHIFT, - blue >> SHIFT ); + gdkColor.red = + gdkColor.green = + gdkColor.blue = 0; + GetColourFromGTKWidget( + gdkColor, wxGTK_MENUITEM, GTK_STATE_SELECTED, wxGTK_BG); + gs_objects.m_colMenuItemHighlight = wxColour(gdkColor); } - return gs_objects.m_colMenuItemHighlight; + color = gs_objects.m_colMenuItemHighlight; + break; case wxSYS_COLOUR_HOTLIGHT: case wxSYS_COLOUR_GRADIENTACTIVECAPTION: case wxSYS_COLOUR_GRADIENTINACTIVECAPTION: // TODO - return *wxBLACK; + color = *wxBLACK; + break; case wxSYS_COLOUR_MAX: default: wxFAIL_MSG( _T("unknown system colour index") ); + color = *wxWHITE; + break; } - return *wxWHITE; + return color; } wxFont wxSystemSettingsNative::GetFont( wxSystemFont index ) { + wxFont font; switch (index) { case wxSYS_OEM_FIXED_FONT: case wxSYS_ANSI_FIXED_FONT: case wxSYS_SYSTEM_FIXED_FONT: - { - return *wxNORMAL_FONT; - } + font = *wxNORMAL_FONT; + break; + case wxSYS_ANSI_VAR_FONT: case wxSYS_SYSTEM_FONT: case wxSYS_DEVICE_DEFAULT_FONT: case wxSYS_DEFAULT_GUI_FONT: - { if (!gs_objects.m_fontSystem.Ok()) { GtkWidget *widget = gtk_button_new(); @@ -378,21 +404,74 @@ wxFont wxSystemSettingsNative::GetFont( wxSystemFont index ) gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name)); g_free (font_name); } - gtk_widget_destroy( widget ); + gtk_object_sink((GtkObject*)widget); } - return gs_objects.m_fontSystem; - } + font = gs_objects.m_fontSystem; + break; default: - return wxNullFont; + break; } + return font; } -int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) +static bool GetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom) { bool success = false; + Atom property = 0; + if (gdk_x11_screen_supports_net_wm_hint( + gdk_drawable_get_screen(window), + gdk_atom_intern("_NET_FRAME_EXTENTS", false))) + { + success = true; + property = gdk_x11_get_xatom_by_name_for_display( + gdk_drawable_get_display(window), + "_NET_FRAME_EXTENTS"); + } + + if (success) + { + Atom type; + int format; + gulong nitems, bytes_after; + guchar* data; + success = XGetWindowProperty( + gdk_x11_drawable_get_xdisplay(window), + gdk_x11_drawable_get_xid(window), + property, + 0, 4, + false, + XA_CARDINAL, + &type, &format, &nitems, &bytes_after, &data + ) == Success; + if (success) + { + success = data && nitems == 4; + if (success) + { + long* p = (long*)data; + if (left) *left = int(p[0]); + if (right) *right = int(p[1]); + if (top) *top = int(p[2]); + if (bottom) *bottom = int(p[3]); + } + if (data) + XFree(data); + } + } + return success; +} - guchar *data = NULL; +// helper: return the GtkSettings either for the screen the current window is +// on or for the default screen if window is NULL +static GtkSettings *GetSettingsForWindowScreen(GdkWindow *window) +{ + return window ? gtk_settings_get_for_screen(gdk_drawable_get_screen(window)) + : gtk_settings_get_default(); +} + +int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) +{ GdkWindow *window = NULL; if(win && GTK_WIDGET_REALIZED(win->GetHandle())) window = win->GetHandle()->window; @@ -414,73 +493,21 @@ int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) 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. - - Atom type; - gint format; - gulong nitems; - -#if GTK_CHECK_VERSION(2,2,0) - if (!gtk_check_version(2,2,0)) - { - gulong bytes_after; - success = (XGetWindowProperty (GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(window)), - GDK_WINDOW_XWINDOW(window), - gdk_x11_get_xatom_by_name_for_display ( - gdk_drawable_get_display(window), - "_NET_FRAME_EXTENTS" ), - 0, // left, right, top, bottom, CARDINAL[4]/32 - G_MAXLONG, // size of long - false, // do not delete property - XA_CARDINAL, // 32 bit - &type, &format, &nitems, &bytes_after, &data - ) == Success); - } -#endif - if (success) + int right, bottom; + if (GetFrameExtents(window, NULL, &right, NULL, &bottom)) { - int border_return = -1; - - if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 4) && (data)) + switch (index) { - long *borders; - borders = (long*)data; - switch(index) - { - case wxSYS_BORDER_X: - case wxSYS_EDGE_X: - case wxSYS_FRAMESIZE_X: - border_return = borders[1]; // width of right extent - break; - default: - border_return = borders[3]; // height of bottom extent - break; - } + case wxSYS_BORDER_X: + case wxSYS_EDGE_X: + case wxSYS_FRAMESIZE_X: + return right; // width of right extent + default: + return bottom; // height of bottom extent } - - if (data) - XFree(data); - - return border_return; } } } @@ -489,96 +516,63 @@ int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) 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; + return gdk_display_get_default_cursor_size( + window ? gdk_drawable_get_display(window) + : gdk_display_get_default()); 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); + g_object_get(GetSettingsForWindowScreen(window), + "gtk-double-click-distance", &dclick_distance, NULL); return dclick_distance * 2; + case wxSYS_DCLICK_MSEC: + gint dclick; + g_object_get(GetSettingsForWindowScreen(window), + "gtk-double-click-time", &dclick, NULL); + return dclick; + 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); - } + g_object_get(GetSettingsForWindowScreen(window), + "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_ICON_X: + 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)) + if (window) 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)) + if (window) 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_HSCROLL_Y: + 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") ); @@ -587,43 +581,12 @@ int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) // 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. - - Atom type; - gint format; - gulong nitems; - -#if GTK_CHECK_VERSION(2,2,0) - if (!gtk_check_version(2,2,0)) { - gulong bytes_after; - success = (XGetWindowProperty (GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(window)), - GDK_WINDOW_XWINDOW(window), - gdk_x11_get_xatom_by_name_for_display ( - gdk_drawable_get_display(window), - "_NET_FRAME_EXTENTS" ), - 0, // left, right, top, bottom, CARDINAL[4]/32 - G_MAXLONG, // size of long - false, // do not delete property - XA_CARDINAL, // 32 bit - &type, &format, &nitems, &bytes_after, &data - ) == Success); - } -#endif - if (success) - { - int caption_height = -1; - - if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 3) && (data)) + int top; + if (GetFrameExtents(window, NULL, NULL, &top, NULL)) { - long *borders; - borders = (long*)data; - caption_height = borders[2]; // top frame extent + return top; // top frame extent } - - if (data) - XFree(data); - - return caption_height; } // Try a default approach without a window pointer, if possible