X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/655719367ac5e131d9642e5783f3ecf64d1a3385..ea2807a4c4a0949ff78503ec86ec20a2d238a1f3:/src/gtk/settings.cpp diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp index d838381c99..d4b9201cc6 100644 --- a/src/gtk/settings.cpp +++ b/src/gtk/settings.cpp @@ -1,361 +1,446 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: gtk/settings.cpp +// Name: src/gtk/settings.cpp // Purpose: // Author: Robert Roebling +// Modified by: Mart Raudsepp (GetMetric) // Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "settings.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #include "wx/settings.h" -#include "wx/debug.h" -#include "wx/cmndata.h" -#include "wx/fontutil.h" - -#include -#include -#include - -#define SHIFT (8*(sizeof(short int)-sizeof(char))) -// ---------------------------------------------------------------------------- -// wxSystemObjects -// ---------------------------------------------------------------------------- +#ifndef WX_PRECOMP + #include "wx/toplevel.h" +#endif -struct wxSystemObjects -{ - wxColour m_colBtnFace, - m_colBtnShadow, - m_colBtnHighlight, - m_colHighlight, - m_colHighlightText, - m_colListBox, - m_colBtnText; +#include "wx/fontutil.h" +#include "wx/fontenum.h" - wxFont m_fontSystem; -}; +#include +#include "wx/gtk/private/win_gtk.h" -static wxSystemObjects gs_objects; +bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom); // ---------------------------------------------------------------------------- // wxSystemSettings implementation // ---------------------------------------------------------------------------- -// kind of widget to use in GetColourFromGTKWidget -enum wxGtkWidgetType -{ - wxGTK_BUTTON, - wxGTK_LIST -}; +static wxFont gs_fontSystem; -// the colour we need -enum wxGtkColourType -{ - wxGTK_FG, - wxGTK_BG, - wxGTK_BASE -}; - -// 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, - wxGtkWidgetType type = wxGTK_BUTTON, - GtkStateType state = GTK_STATE_NORMAL, - wxGtkColourType colour = wxGTK_BG) +static GtkContainer* ContainerWidget() { - GtkWidget *widget; - switch ( type ) + static GtkContainer* s_widget; + if (s_widget == NULL) { - default: - wxFAIL_MSG( _T("unexpected GTK widget type") ); - // fall through - - case wxGTK_BUTTON: - widget = gtk_button_new(); - break; - - case wxGTK_LIST: - widget = gtk_list_new(); + s_widget = GTK_CONTAINER(gtk_fixed_new()); + GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(s_widget)); } + return s_widget; +} - GtkStyle *def = gtk_rc_get_style( widget ); - if ( !def ) - def = gtk_widget_get_default_style(); +extern "C" { +static void style_set(GtkWidget*, GtkStyle*, void*) +{ + gs_fontSystem = wxNullFont; +} +} - bool ok; - if ( def ) +static const GtkStyle* ButtonStyle() +{ + static GtkWidget* s_widget; + if (s_widget == NULL) { - GdkColor *col; - switch ( colour ) - { - default: - wxFAIL_MSG( _T("unexpected GTK colour type") ); - // fall through - - case wxGTK_FG: - col = def->fg; - break; - - case wxGTK_BG: - col = def->bg; - break; - - case wxGTK_BASE: - col = def->base; - break; - } + s_widget = gtk_button_new(); + gtk_container_add(ContainerWidget(), s_widget); + gtk_widget_ensure_style(s_widget); + g_signal_connect(s_widget, "style_set", G_CALLBACK(style_set), NULL); + } + return s_widget->style; +} - red = col[state].red; - green = col[state].green; - blue = col[state].blue; +static const GtkStyle* ListStyle() +{ + static GtkWidget* s_widget; + if (s_widget == NULL) + { + s_widget = gtk_tree_view_new_with_model( + GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_INT))); + gtk_container_add(ContainerWidget(), s_widget); + gtk_widget_ensure_style(s_widget); + } + return s_widget->style; +} - ok = TRUE; +static const GtkStyle* TextCtrlStyle() +{ + static GtkWidget* s_widget; + if (s_widget == NULL) + { + s_widget = gtk_text_view_new(); + gtk_container_add(ContainerWidget(), s_widget); + gtk_widget_ensure_style(s_widget); } - else + return s_widget->style; +} + +static const GtkStyle* MenuItemStyle() +{ + static GtkWidget* s_widget; + if (s_widget == NULL) { - ok = FALSE; + s_widget = gtk_menu_item_new(); + gtk_container_add(ContainerWidget(), s_widget); + gtk_widget_ensure_style(s_widget); } + return s_widget->style; +} - gtk_widget_destroy( widget ); +static const GtkStyle* MenuBarStyle() +{ + static GtkWidget* s_widget; + if (s_widget == NULL) + { + s_widget = gtk_menu_bar_new(); + gtk_container_add(ContainerWidget(), s_widget); + gtk_widget_ensure_style(s_widget); + } + return s_widget->style; +} - return ok; +static const GtkStyle* ToolTipStyle() +{ + static GtkWidget* s_widget; + if (s_widget == NULL) + { + s_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(s_widget, name); + gtk_widget_ensure_style(s_widget); + } + return s_widget->style; } wxColour wxSystemSettingsNative::GetColour( wxSystemColour index ) { + wxColor color; switch (index) { case wxSYS_COLOUR_SCROLLBAR: case wxSYS_COLOUR_BACKGROUND: - case wxSYS_COLOUR_ACTIVECAPTION: + //case wxSYS_COLOUR_DESKTOP: case wxSYS_COLOUR_INACTIVECAPTION: case wxSYS_COLOUR_MENU: case wxSYS_COLOUR_WINDOWFRAME: case wxSYS_COLOUR_ACTIVEBORDER: case wxSYS_COLOUR_INACTIVEBORDER: case wxSYS_COLOUR_BTNFACE: - case wxSYS_COLOUR_MENUBAR: + //case wxSYS_COLOUR_3DFACE: 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 ); - } - return gs_objects.m_colBtnFace; + color = wxColor(ButtonStyle()->bg[GTK_STATE_NORMAL]); + break; case wxSYS_COLOUR_WINDOW: - return *wxWHITE; + color = wxColor(TextCtrlStyle()->base[GTK_STATE_NORMAL]); + break; + + case wxSYS_COLOUR_MENUBAR: + color = wxColor(MenuBarStyle()->bg[GTK_STATE_NORMAL]); + break; case wxSYS_COLOUR_3DDKSHADOW: - return *wxBLACK; + color = *wxBLACK; + break; case wxSYS_COLOUR_GRAYTEXT: case wxSYS_COLOUR_BTNSHADOW: //case wxSYS_COLOUR_3DSHADOW: - if (!gs_objects.m_colBtnShadow.Ok()) { 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)); + color = + wxColour((unsigned char) (faceColour.Red() * 2 / 3), + (unsigned char) (faceColour.Green() * 2 / 3), + (unsigned char) (faceColour.Blue() * 2 / 3)); } + break; - return gs_objects.m_colBtnShadow; - - case wxSYS_COLOUR_3DHIGHLIGHT: - //case wxSYS_COLOUR_BTNHIGHLIGHT: - return * wxWHITE; + case wxSYS_COLOUR_BTNHIGHLIGHT: + //case wxSYS_COLOUR_BTNHILIGHT: + //case wxSYS_COLOUR_3DHIGHLIGHT: + //case wxSYS_COLOUR_3DHILIGHT: + 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 ); - } - return gs_objects.m_colHighlight; + color = wxColor(ButtonStyle()->bg[GTK_STATE_SELECTED]); + break; case wxSYS_COLOUR_LISTBOX: - if (!gs_objects.m_colListBox.Ok()) - { - int red, green, blue; - if ( GetColourFromGTKWidget(red, green, blue, - wxGTK_LIST, - GTK_STATE_NORMAL, - wxGTK_BASE) ) - { - gs_objects.m_colListBox = wxColour( red >> SHIFT, - green >> SHIFT, - blue >> SHIFT ); - } - else - { - gs_objects.m_colListBox = wxColour(*wxWHITE); - } - } - return gs_objects.m_colListBox; + color = wxColor(ListStyle()->base[GTK_STATE_NORMAL]); + break; + + case wxSYS_COLOUR_LISTBOXTEXT: + color = wxColor(ListStyle()->text[GTK_STATE_NORMAL]); + break; + + case wxSYS_COLOUR_LISTBOXHIGHLIGHTTEXT: + // This is for the text in a list control (or tree) when the + // item is selected, but not focused + color = wxColor(ListStyle()->text[GTK_STATE_ACTIVE]); + break; case wxSYS_COLOUR_MENUTEXT: case wxSYS_COLOUR_WINDOWTEXT: case wxSYS_COLOUR_CAPTIONTEXT: case wxSYS_COLOUR_INACTIVECAPTIONTEXT: case wxSYS_COLOUR_BTNTEXT: - case wxSYS_COLOUR_INFOTEXT: - 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 ); - } - return gs_objects.m_colBtnText; + color = wxColor(ButtonStyle()->fg[GTK_STATE_NORMAL]); + break; - // this (as well as wxSYS_COLOUR_INFOTEXT above) is used for - // tooltip windows - Robert, please change this code to use the - // real GTK tooltips when/if you can (TODO) case wxSYS_COLOUR_INFOBK: - return wxColour(255, 255, 225); + color = wxColor(ToolTipStyle()->bg[GTK_STATE_NORMAL]); + break; + + case wxSYS_COLOUR_INFOTEXT: + color = wxColor(ToolTipStyle()->fg[GTK_STATE_NORMAL]); + 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); - else - gs_objects.m_colHighlightText = wxColour(*wxWHITE); - } - return gs_objects.m_colHighlightText; + color = wxColor(ButtonStyle()->fg[GTK_STATE_SELECTED]); + break; case wxSYS_COLOUR_APPWORKSPACE: - return *wxWHITE; // ? + color = *wxWHITE; // ? + break; + + case wxSYS_COLOUR_ACTIVECAPTION: + case wxSYS_COLOUR_MENUHILIGHT: + color = wxColor(MenuItemStyle()->bg[GTK_STATE_SELECTED]); + break; case wxSYS_COLOUR_HOTLIGHT: case wxSYS_COLOUR_GRADIENTACTIVECAPTION: case wxSYS_COLOUR_GRADIENTINACTIVECAPTION: - case wxSYS_COLOUR_MENUHILIGHT: // TODO - return *wxBLACK; + color = *wxBLACK; + break; case wxSYS_COLOUR_MAX: default: - wxFAIL_MSG( _T("unknown system colour index") ); - } + wxFAIL_MSG( wxT("unknown system colour index") ); + color = *wxWHITE; + break; + } - return *wxWHITE; + wxASSERT(color.IsOk()); + 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()) + if (!gs_fontSystem.Ok()) { -#ifdef __WXGTK20__ - GtkWidget *widget = gtk_button_new(); - GtkStyle *def = gtk_rc_get_style( widget ); - if ( !def || !def->font_desc ) - def = gtk_widget_get_default_style(); - if ( def && def->font_desc ) - { - wxNativeFontInfo info; - info.description = def->font_desc; - gs_objects.m_fontSystem = wxFont(info); - } - else - { - GtkSettings *settings = gtk_settings_get_default(); - gchar *font_name = NULL; - g_object_get ( settings, - "gtk-font-name", - &font_name, - NULL); - if (!font_name) - gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL ); - else - gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name)); - g_free (font_name); - } - gtk_widget_destroy( widget ); -#else - gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL ); -#endif + wxNativeFontInfo info; + info.description = ButtonStyle()->font_desc; + gs_fontSystem = wxFont(info); + +#if wxUSE_FONTENUM + // (try to) heal the default font (on some common systems e.g. Ubuntu + // it's "Sans Serif" but the real font is called "Sans"): + if (!wxFontEnumerator::IsValidFacename(gs_fontSystem.GetFaceName()) && + gs_fontSystem.GetFaceName() == "Sans Serif") + gs_fontSystem.SetFaceName("Sans"); +#endif // wxUSE_FONTENUM + + info.description = NULL; } - return gs_objects.m_fontSystem; - } + font = gs_fontSystem; + break; default: - return wxNullFont; + break; + } + + wxASSERT( font.IsOk() ); + + return font; +} + +// 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(); +} + +static int GetBorderWidth(wxSystemMetric index, wxWindow* win) +{ + if (win->m_wxwindow) + { + wxPizza* pizza = WX_PIZZA(win->m_wxwindow); + int x, y; + pizza->get_border_widths(x, y); + switch (index) + { + case wxSYS_BORDER_X: + case wxSYS_EDGE_X: + case wxSYS_FRAMESIZE_X: + return x; + default: + return y; + } } + return -1; } -int wxSystemSettingsNative::GetMetric( wxSystemMetric index ) +int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win ) { + GdkWindow *window = NULL; + if(win && GTK_WIDGET_REALIZED(win->GetHandle())) + window = win->GetHandle()->window; + switch (index) { - case wxSYS_SCREEN_X: return gdk_screen_width(); - case wxSYS_SCREEN_Y: return gdk_screen_height(); - case wxSYS_HSCROLL_Y: return 15; - case wxSYS_VSCROLL_X: return 15; - - // VZ: is there any way to get the cursor size with GDK? - case wxSYS_CURSOR_X: return 16; - case wxSYS_CURSOR_Y: return 16; - // MBN: ditto for icons - case wxSYS_ICON_X: return 32; - case wxSYS_ICON_Y: return 32; - default: - wxFAIL_MSG( wxT("wxSystemSettings::GetMetric not fully implemented") ); + 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 (win) + { + wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow); + if (!tlw) + return GetBorderWidth(index, win); + else if (window) + { + // 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. + int right, bottom; + if (wxGetFrameExtents(window, NULL, &right, NULL, &bottom)) + { + switch (index) + { + 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 + } + } + } + } + + return -1; // no window specified + + case wxSYS_CURSOR_X: + case wxSYS_CURSOR_Y: + 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; + 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; + 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; + + case wxSYS_ICON_X: + case wxSYS_ICON_Y: + return 32; + + case wxSYS_SCREEN_X: + if (window) + return gdk_screen_get_width(gdk_drawable_get_screen(window)); + else + return gdk_screen_width(); + + case wxSYS_SCREEN_Y: + if (window) + return gdk_screen_get_height(gdk_drawable_get_screen(window)); + else + return gdk_screen_height(); + + 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; + + 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. + { + int top; + if (wxGetFrameExtents(window, NULL, NULL, &top, NULL)) + { + return top; // top frame extent + } + } + + // 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 } } @@ -363,13 +448,13 @@ bool wxSystemSettingsNative::HasFeature(wxSystemFeature index) { switch (index) { - case wxSYS_CAN_ICONIZE_FRAME: - return FALSE; - break; + case wxSYS_CAN_ICONIZE_FRAME: + return false; + case wxSYS_CAN_DRAW_FRAME_DECORATIONS: - return TRUE; - break; + return true; + default: - return FALSE; + return false; } }