src/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
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#include "wx/settings.h"

#ifndef WX_PRECOMP
    #include "wx/cmndata.h"
    #include "wx/toplevel.h"
#endif

#include "wx/fontutil.h"

#include <gtk/gtkversion.h>
#if GTK_CHECK_VERSION(2, 9, 0)
    // gtk_object_sink
    #undef GTK_DISABLE_DEPRECATED
#endif
#include <gtk/gtk.h>

bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom);

// ----------------------------------------------------------------------------
// wxSystemObjects
// ----------------------------------------------------------------------------

struct wxSystemObjects
{
    wxColour m_colBtnFace,
             m_colBtnShadow,
             m_colBtnHighlight,
             m_colHighlight,
             m_colHighlightText,
             m_colListBox,
             m_colWindow,
             m_colWindowText,
             m_colBtnText,
             m_colMenuItemHighlight,
             m_colTooltip,
             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
// ----------------------------------------------------------------------------

// kind of widget to use in GetColourFromGTKWidget
enum wxGtkWidgetType
{
    wxGTK_BUTTON,
    wxGTK_LIST,
    wxGTK_MENUITEM,
    wxGTK_TEXTCTRL,
    wxGTK_MENUBAR,
};

// the colour we need
enum wxGtkColourType
{
    wxGTK_FG,
    wxGTK_BG,
    wxGTK_TEXT,
    wxGTK_BASE
};

// wxSystemSettings::GetColour() helper: get the colours from a GTK+
// 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)
{
    GtkWidget *widget;
    switch ( type )
    {
        default:
            wxFAIL_MSG( _T("unexpected GTK widget type") );
            // fall through

        case wxGTK_BUTTON:
            widget = gtk_button_new();
            break;

        case wxGTK_TEXTCTRL:
            widget = gtk_text_view_new();
            break;

        case wxGTK_LIST:
            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();
            break;

        case wxGTK_MENUBAR:
            widget = gtk_menu_bar_new();
            break;
    }

    GtkStyle *def = gtk_rc_get_style( widget );
    if ( !def )
        def = gtk_widget_get_default_style();

    const bool ok = def != NULL;
    if (ok)
    {
        switch ( colour )
        {
            default:
                wxFAIL_MSG( _T("unexpected GTK colour type") );
                // fall through

            case wxGTK_FG:
                gdkColor = def->fg[state];
                break;

            case wxGTK_BG:
                gdkColor = def->bg[state];
                break;

            case wxGTK_TEXT:
                gdkColor = def->text[state];
                break;

            case wxGTK_BASE:
                gdkColor = def->base[state];
                break;
        }
    }

    gtk_object_sink((GtkObject*)widget);

    return ok;
}

static void GetTooltipColors()
{
    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:
        case wxSYS_COLOUR_BACKGROUND:
        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_3DLIGHT:
            if (!gs_objects.m_colBtnFace.Ok())
            {
                gdkColor.red =
                gdkColor.green = 0;
                gdkColor.blue = 0x9c40;
                GetColourFromGTKWidget(gdkColor);
                gs_objects.m_colBtnFace = wxColor(gdkColor);
            }
            color = gs_objects.m_colBtnFace;
            break;

        case wxSYS_COLOUR_WINDOW:
            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:
            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() * 2 / 3),
                            (unsigned char) (faceColour.Green() * 2 / 3),
                            (unsigned char) (faceColour.Blue() * 2 / 3));
            }
            color = gs_objects.m_colBtnShadow;
            break;

        case wxSYS_COLOUR_3DHIGHLIGHT:
        //case wxSYS_COLOUR_BTNHIGHLIGHT:
            color = *wxWHITE;
            break;

        case wxSYS_COLOUR_HIGHLIGHT:
            if (!gs_objects.m_colHighlight.Ok())
            {
                gdkColor.red =
                gdkColor.green = 0;
                gdkColor.blue = 0x9c40;
                GetColourFromGTKWidget(
                    gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED);
                gs_objects.m_colHighlight = wxColour(gdkColor);
            }
            color = gs_objects.m_colHighlight;
            break;

        case wxSYS_COLOUR_LISTBOX:
            if (!gs_objects.m_colListBox.Ok())
            {
                if ( GetColourFromGTKWidget(gdkColor,
                                            wxGTK_LIST,
                                            GTK_STATE_NORMAL,
                                            wxGTK_BASE) )
                {
                    gs_objects.m_colListBox = wxColour(gdkColor);
                }
                else
                {
                    gs_objects.m_colListBox = *wxWHITE;
                }
            }
            color = gs_objects.m_colListBox;
            break;

        case wxSYS_COLOUR_MENUTEXT:
        case wxSYS_COLOUR_WINDOWTEXT:
        case wxSYS_COLOUR_CAPTIONTEXT:
        case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
        case wxSYS_COLOUR_BTNTEXT:
            if (!gs_objects.m_colBtnText.Ok())
            {
                gdkColor.red =
                gdkColor.green =
                gdkColor.blue = 0;
                GetColourFromGTKWidget(
                    gdkColor, wxGTK_BUTTON, GTK_STATE_NORMAL, wxGTK_FG);
                gs_objects.m_colBtnText = wxColour(gdkColor);
            }
            color = gs_objects.m_colBtnText;
            break;

        case wxSYS_COLOUR_INFOBK:
            if (!gs_objects.m_colTooltip.Ok()) {
                GetTooltipColors();
            }
            color = gs_objects.m_colTooltip;
            break;

        case wxSYS_COLOUR_INFOTEXT:
            if (!gs_objects.m_colTooltipText.Ok()) {
                GetTooltipColors();
            }
            color = gs_objects.m_colTooltipText;
            break;

        case wxSYS_COLOUR_HIGHLIGHTTEXT:
            if (!gs_objects.m_colHighlightText.Ok())
            {
                gdkColor.red =
                gdkColor.green =
                gdkColor.blue = 0;
                GetColourFromGTKWidget(
                    gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED, wxGTK_TEXT);
                gs_objects.m_colHighlightText = wxColour(gdkColor);
            }
            color = gs_objects.m_colHighlightText;
            break;

        case wxSYS_COLOUR_APPWORKSPACE:
            color = *wxWHITE;    // ?
            break;

        case wxSYS_COLOUR_ACTIVECAPTION:
        case wxSYS_COLOUR_MENUHILIGHT:
            if (!gs_objects.m_colMenuItemHighlight.Ok())
            {
                gdkColor.red =
                gdkColor.green =
                gdkColor.blue = 0;
                GetColourFromGTKWidget(
                    gdkColor, wxGTK_MENUITEM, GTK_STATE_SELECTED, wxGTK_BG);
                gs_objects.m_colMenuItemHighlight = wxColour(gdkColor);
            }
            color = gs_objects.m_colMenuItemHighlight;
            break;

        case wxSYS_COLOUR_HOTLIGHT:
        case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
        case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
            // TODO
            color = *wxBLACK;
            break;

        case wxSYS_COLOUR_MAX:
        default:
            wxFAIL_MSG( _T("unknown system colour index") );
            color = *wxWHITE;
            break;
    }

    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:
            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();
                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 =
                        pango_font_description_copy(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_object_sink((GtkObject*)widget);
            }
            font = gs_objects.m_fontSystem;
            break;

        default:
            break;
    }
    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();
}

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_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
                {
                    // 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
    }
}

bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
{
    switch (index)
    {
        case wxSYS_CAN_ICONIZE_FRAME:
            return false;

        case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
            return true;

        default:
            return false;
    }
}
Commit	Line	Data
	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/gtkversion.h>
	24	#if GTK_CHECK_VERSION(2, 9, 0)
	25	// gtk_object_sink
	26	#undef GTK_DISABLE_DEPRECATED
	27	#endif
	28	#include <gtk/gtk.h>
	29
	30	bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom);
	31
	32	// ----------------------------------------------------------------------------
	33	// wxSystemObjects
	34	// ----------------------------------------------------------------------------
	35
	36	struct wxSystemObjects
	37	{
	38	wxColour m_colBtnFace,
	39	m_colBtnShadow,
	40	m_colBtnHighlight,
	41	m_colHighlight,
	42	m_colHighlightText,
	43	m_colListBox,
	44	m_colWindow,
	45	m_colWindowText,
	46	m_colBtnText,
	47	m_colMenuItemHighlight,
	48	m_colTooltip,
	49	m_colTooltipText,
	50	m_colMenubarBg;
	51
	52	wxFont m_fontSystem;
	53	};
	54
	55	static wxSystemObjects gs_objects;
	56
	57	void wxClearGtkSystemObjects()
	58	{
	59	gs_objects.m_colBtnFace = wxColour();
	60	gs_objects.m_colBtnShadow = wxColour();
	61	gs_objects.m_colBtnHighlight = wxColour();
	62	gs_objects.m_colHighlightText = wxColour();
	63	gs_objects.m_colListBox = wxColour();
	64	gs_objects.m_colWindow = wxColour();
	65	gs_objects.m_colWindowText = wxColour();
	66	gs_objects.m_colBtnText = wxColour();
	67	gs_objects.m_colMenuItemHighlight = wxColour();
	68	gs_objects.m_colTooltip = wxColour();
	69	gs_objects.m_colTooltipText = wxColour();
	70	gs_objects.m_colMenubarBg = wxColour();
	71	gs_objects.m_fontSystem = wxNullFont;
	72	}
	73
	74	// ----------------------------------------------------------------------------
	75	// wxSystemSettings implementation
	76	// ----------------------------------------------------------------------------
	77
	78	// kind of widget to use in GetColourFromGTKWidget
	79	enum wxGtkWidgetType
	80	{
	81	wxGTK_BUTTON,
	82	wxGTK_LIST,
	83	wxGTK_MENUITEM,
	84	wxGTK_TEXTCTRL,
	85	wxGTK_MENUBAR,
	86	};
	87
	88	// the colour we need
	89	enum wxGtkColourType
	90	{
	91	wxGTK_FG,
	92	wxGTK_BG,
	93	wxGTK_TEXT,
	94	wxGTK_BASE
	95	};
	96
	97	// wxSystemSettings::GetColour() helper: get the colours from a GTK+
	98	// widget style, return true if we did get them
	99	static bool GetColourFromGTKWidget(GdkColor& gdkColor,
	100	wxGtkWidgetType type = wxGTK_BUTTON,
	101	GtkStateType state = GTK_STATE_NORMAL,
	102	wxGtkColourType colour = wxGTK_BG)
	103	{
	104	GtkWidget *widget;
	105	switch ( type )
	106	{
	107	default:
	108	wxFAIL_MSG( _T("unexpected GTK widget type") );
	109	// fall through
	110
	111	case wxGTK_BUTTON:
	112	widget = gtk_button_new();
	113	break;
	114
	115	case wxGTK_TEXTCTRL:
	116	widget = gtk_text_view_new();
	117	break;
	118
	119	case wxGTK_LIST:
	120	widget = gtk_tree_view_new_with_model(
	121	(GtkTreeModel*)gtk_list_store_new(1, G_TYPE_INT));
	122	break;
	123
	124	case wxGTK_MENUITEM:
	125	widget = gtk_menu_item_new();
	126	break;
	127
	128	case wxGTK_MENUBAR:
	129	widget = gtk_menu_bar_new();
	130	break;
	131	}
	132
	133	GtkStyle *def = gtk_rc_get_style( widget );
	134	if ( !def )
	135	def = gtk_widget_get_default_style();
	136
	137	const bool ok = def != NULL;
	138	if (ok)
	139	{
	140	switch ( colour )
	141	{
	142	default:
	143	wxFAIL_MSG( _T("unexpected GTK colour type") );
	144	// fall through
	145
	146	case wxGTK_FG:
	147	gdkColor = def->fg[state];
	148	break;
	149
	150	case wxGTK_BG:
	151	gdkColor = def->bg[state];
	152	break;
	153
	154	case wxGTK_TEXT:
	155	gdkColor = def->text[state];
	156	break;
	157
	158	case wxGTK_BASE:
	159	gdkColor = def->base[state];
	160	break;
	161	}
	162	}
	163
	164	gtk_object_sink((GtkObject*)widget);
	165
	166	return ok;
	167	}
	168
	169	static void GetTooltipColors()
	170	{
	171	GtkWidget* widget = gtk_window_new(GTK_WINDOW_POPUP);
	172	const char* name = "gtk-tooltip";
	173	if (gtk_check_version(2, 11, 0))
	174	name = "gtk-tooltips";
	175	gtk_widget_set_name(widget, name);
	176	gtk_widget_ensure_style(widget);
	177
	178	GdkColor c = widget->style->bg[GTK_STATE_NORMAL];
	179	gs_objects.m_colTooltip = wxColor(c);
	180	c = widget->style->fg[GTK_STATE_NORMAL];
	181	gs_objects.m_colTooltipText = wxColor(c);
	182
	183	gtk_widget_destroy(widget);
	184	}
	185
	186	wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
	187	{
	188	wxColor color;
	189	GdkColor gdkColor;
	190	switch (index)
	191	{
	192	case wxSYS_COLOUR_SCROLLBAR:
	193	case wxSYS_COLOUR_BACKGROUND:
	194	case wxSYS_COLOUR_INACTIVECAPTION:
	195	case wxSYS_COLOUR_MENU:
	196	case wxSYS_COLOUR_WINDOWFRAME:
	197	case wxSYS_COLOUR_ACTIVEBORDER:
	198	case wxSYS_COLOUR_INACTIVEBORDER:
	199	case wxSYS_COLOUR_BTNFACE:
	200	case wxSYS_COLOUR_3DLIGHT:
	201	if (!gs_objects.m_colBtnFace.Ok())
	202	{
	203	gdkColor.red =
	204	gdkColor.green = 0;
	205	gdkColor.blue = 0x9c40;
	206	GetColourFromGTKWidget(gdkColor);
	207	gs_objects.m_colBtnFace = wxColor(gdkColor);
	208	}
	209	color = gs_objects.m_colBtnFace;
	210	break;
	211
	212	case wxSYS_COLOUR_WINDOW:
	213	if (!gs_objects.m_colWindow.Ok())
	214	{
	215	gdkColor.red =
	216	gdkColor.green =
	217	gdkColor.blue = 0xFFFF;
	218	GetColourFromGTKWidget(gdkColor, wxGTK_TEXTCTRL, GTK_STATE_NORMAL, wxGTK_BASE);
	219	gs_objects.m_colWindow = wxColor(gdkColor);
	220	}
	221	color = gs_objects.m_colWindow;
	222	break;
	223
	224
	225	case wxSYS_COLOUR_MENUBAR:
	226	if (!gs_objects.m_colMenubarBg.Ok())
	227	{
	228	gdkColor.red =
	229	gdkColor.green = 0;
	230	gdkColor.blue = 0x9c40;
	231	GetColourFromGTKWidget(gdkColor,wxGTK_MENUBAR);
	232	gs_objects.m_colMenubarBg = wxColor(gdkColor);
	233	}
	234	color = gs_objects.m_colMenubarBg;
	235	break;
	236
	237	case wxSYS_COLOUR_3DDKSHADOW:
	238	color = *wxBLACK;
	239	break;
	240
	241	case wxSYS_COLOUR_GRAYTEXT:
	242	case wxSYS_COLOUR_BTNSHADOW:
	243	//case wxSYS_COLOUR_3DSHADOW:
	244	if (!gs_objects.m_colBtnShadow.Ok())
	245	{
	246	wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
	247	gs_objects.m_colBtnShadow =
	248	wxColour((unsigned char) (faceColour.Red() * 2 / 3),
	249	(unsigned char) (faceColour.Green() * 2 / 3),
	250	(unsigned char) (faceColour.Blue() * 2 / 3));
	251	}
	252	color = gs_objects.m_colBtnShadow;
	253	break;
	254
	255	case wxSYS_COLOUR_3DHIGHLIGHT:
	256	//case wxSYS_COLOUR_BTNHIGHLIGHT:
	257	color = *wxWHITE;
	258	break;
	259
	260	case wxSYS_COLOUR_HIGHLIGHT:
	261	if (!gs_objects.m_colHighlight.Ok())
	262	{
	263	gdkColor.red =
	264	gdkColor.green = 0;
	265	gdkColor.blue = 0x9c40;
	266	GetColourFromGTKWidget(
	267	gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED);
	268	gs_objects.m_colHighlight = wxColour(gdkColor);
	269	}
	270	color = gs_objects.m_colHighlight;
	271	break;
	272
	273	case wxSYS_COLOUR_LISTBOX:
	274	if (!gs_objects.m_colListBox.Ok())
	275	{
	276	if ( GetColourFromGTKWidget(gdkColor,
	277	wxGTK_LIST,
	278	GTK_STATE_NORMAL,
	279	wxGTK_BASE) )
	280	{
	281	gs_objects.m_colListBox = wxColour(gdkColor);
	282	}
	283	else
	284	{
	285	gs_objects.m_colListBox = *wxWHITE;
	286	}
	287	}
	288	color = gs_objects.m_colListBox;
	289	break;
	290
	291	case wxSYS_COLOUR_MENUTEXT:
	292	case wxSYS_COLOUR_WINDOWTEXT:
	293	case wxSYS_COLOUR_CAPTIONTEXT:
	294	case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
	295	case wxSYS_COLOUR_BTNTEXT:
	296	if (!gs_objects.m_colBtnText.Ok())
	297	{
	298	gdkColor.red =
	299	gdkColor.green =
	300	gdkColor.blue = 0;
	301	GetColourFromGTKWidget(
	302	gdkColor, wxGTK_BUTTON, GTK_STATE_NORMAL, wxGTK_FG);
	303	gs_objects.m_colBtnText = wxColour(gdkColor);
	304	}
	305	color = gs_objects.m_colBtnText;
	306	break;
	307
	308	case wxSYS_COLOUR_INFOBK:
	309	if (!gs_objects.m_colTooltip.Ok()) {
	310	GetTooltipColors();
	311	}
	312	color = gs_objects.m_colTooltip;
	313	break;
	314
	315	case wxSYS_COLOUR_INFOTEXT:
	316	if (!gs_objects.m_colTooltipText.Ok()) {
	317	GetTooltipColors();
	318	}
	319	color = gs_objects.m_colTooltipText;
	320	break;
	321
	322	case wxSYS_COLOUR_HIGHLIGHTTEXT:
	323	if (!gs_objects.m_colHighlightText.Ok())
	324	{
	325	gdkColor.red =
	326	gdkColor.green =
	327	gdkColor.blue = 0;
	328	GetColourFromGTKWidget(
	329	gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED, wxGTK_TEXT);
	330	gs_objects.m_colHighlightText = wxColour(gdkColor);
	331	}
	332	color = gs_objects.m_colHighlightText;
	333	break;
	334
	335	case wxSYS_COLOUR_APPWORKSPACE:
	336	color = *wxWHITE; // ?
	337	break;
	338
	339	case wxSYS_COLOUR_ACTIVECAPTION:
	340	case wxSYS_COLOUR_MENUHILIGHT:
	341	if (!gs_objects.m_colMenuItemHighlight.Ok())
	342	{
	343	gdkColor.red =
	344	gdkColor.green =
	345	gdkColor.blue = 0;
	346	GetColourFromGTKWidget(
	347	gdkColor, wxGTK_MENUITEM, GTK_STATE_SELECTED, wxGTK_BG);
	348	gs_objects.m_colMenuItemHighlight = wxColour(gdkColor);
	349	}
	350	color = gs_objects.m_colMenuItemHighlight;
	351	break;
	352
	353	case wxSYS_COLOUR_HOTLIGHT:
	354	case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
	355	case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
	356	// TODO
	357	color = *wxBLACK;
	358	break;
	359
	360	case wxSYS_COLOUR_MAX:
	361	default:
	362	wxFAIL_MSG( _T("unknown system colour index") );
	363	color = *wxWHITE;
	364	break;
	365	}
	366
	367	return color;
	368	}
	369
	370	wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
	371	{
	372	wxFont font;
	373	switch (index)
	374	{
	375	case wxSYS_OEM_FIXED_FONT:
	376	case wxSYS_ANSI_FIXED_FONT:
	377	case wxSYS_SYSTEM_FIXED_FONT:
	378	font = *wxNORMAL_FONT;
	379	break;
	380
	381	case wxSYS_ANSI_VAR_FONT:
	382	case wxSYS_SYSTEM_FONT:
	383	case wxSYS_DEVICE_DEFAULT_FONT:
	384	case wxSYS_DEFAULT_GUI_FONT:
	385	if (!gs_objects.m_fontSystem.Ok())
	386	{
	387	GtkWidget *widget = gtk_button_new();
	388	GtkStyle *def = gtk_rc_get_style( widget );
	389	if ( !def \|\| !def->font_desc )
	390	def = gtk_widget_get_default_style();
	391	if ( def && def->font_desc )
	392	{
	393	wxNativeFontInfo info;
	394	info.description =
	395	pango_font_description_copy(def->font_desc);
	396	gs_objects.m_fontSystem = wxFont(info);
	397	}
	398	else
	399	{
	400	GtkSettings *settings = gtk_settings_get_default();
	401	gchar *font_name = NULL;
	402	g_object_get ( settings,
	403	"gtk-font-name",
	404	&font_name,
	405	NULL);
	406	if (!font_name)
	407	gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
	408	else
	409	gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name));
	410	g_free (font_name);
	411	}
	412	gtk_object_sink((GtkObject*)widget);
	413	}
	414	font = gs_objects.m_fontSystem;
	415	break;
	416
	417	default:
	418	break;
	419	}
	420	return font;
	421	}
	422
	423	// helper: return the GtkSettings either for the screen the current window is
	424	// on or for the default screen if window is NULL
	425	static GtkSettings GetSettingsForWindowScreen(GdkWindow window)
	426	{
	427	return window ? gtk_settings_get_for_screen(gdk_drawable_get_screen(window))
	428	: gtk_settings_get_default();
	429	}
	430
	431	int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
	432	{
	433	GdkWindow *window = NULL;
	434	if(win && GTK_WIDGET_REALIZED(win->GetHandle()))
	435	window = win->GetHandle()->window;
	436
	437	switch (index)
	438	{
	439	case wxSYS_BORDER_X:
	440	case wxSYS_BORDER_Y:
	441	case wxSYS_EDGE_X:
	442	case wxSYS_EDGE_Y:
	443	case wxSYS_FRAMESIZE_X:
	444	case wxSYS_FRAMESIZE_Y:
	445	// If a window is specified/realized, and it is a toplevel window, we can query from wm.
	446	// The returned border thickness is outside the client area in that case.
	447	if (window)
	448	{
	449	wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
	450	if (!tlw)
	451	return -1; // not a tlw, not sure how to approach
	452	else
	453	{
	454	// Get the frame extents from the windowmanager.
	455	// In most cases the top extent is the titlebar, so we use the bottom extent
	456	// for the heights.
	457	int right, bottom;
	458	if (wxGetFrameExtents(window, NULL, &right, NULL, &bottom))
	459	{
	460	switch (index)
	461	{
	462	case wxSYS_BORDER_X:
	463	case wxSYS_EDGE_X:
	464	case wxSYS_FRAMESIZE_X:
	465	return right; // width of right extent
	466	default:
	467	return bottom; // height of bottom extent
	468	}
	469	}
	470	}
	471	}
	472
	473	return -1; // no window specified
	474
	475	case wxSYS_CURSOR_X:
	476	case wxSYS_CURSOR_Y:
	477	return gdk_display_get_default_cursor_size(
	478	window ? gdk_drawable_get_display(window)
	479	: gdk_display_get_default());
	480
	481	case wxSYS_DCLICK_X:
	482	case wxSYS_DCLICK_Y:
	483	gint dclick_distance;
	484	g_object_get(GetSettingsForWindowScreen(window),
	485	"gtk-double-click-distance", &dclick_distance, NULL);
	486
	487	return dclick_distance * 2;
	488
	489	case wxSYS_DCLICK_MSEC:
	490	gint dclick;
	491	g_object_get(GetSettingsForWindowScreen(window),
	492	"gtk-double-click-time", &dclick, NULL);
	493	return dclick;
	494
	495	case wxSYS_DRAG_X:
	496	case wxSYS_DRAG_Y:
	497	gint drag_threshold;
	498	g_object_get(GetSettingsForWindowScreen(window),
	499	"gtk-dnd-drag-threshold", &drag_threshold, NULL);
	500
	501	// The correct thing here would be to double the value
	502	// since that is what the API wants. But the values
	503	// are much bigger under GNOME than under Windows and
	504	// just seem to much in many cases to be useful.
	505	// drag_threshold *= 2;
	506
	507	return drag_threshold;
	508
	509	case wxSYS_ICON_X:
	510	case wxSYS_ICON_Y:
	511	return 32;
	512
	513	case wxSYS_SCREEN_X:
	514	if (window)
	515	return gdk_screen_get_width(gdk_drawable_get_screen(window));
	516	else
	517	return gdk_screen_width();
	518
	519	case wxSYS_SCREEN_Y:
	520	if (window)
	521	return gdk_screen_get_height(gdk_drawable_get_screen(window));
	522	else
	523	return gdk_screen_height();
	524
	525	case wxSYS_HSCROLL_Y:
	526	case wxSYS_VSCROLL_X:
	527	return 15;
	528
	529	case wxSYS_CAPTION_Y:
	530	if (!window)
	531	// No realized window specified, and no implementation for that case yet.
	532	return -1;
	533
	534	wxASSERT_MSG( wxDynamicCast(win, wxTopLevelWindow),
	535	wxT("Asking for caption height of a non toplevel window") );
	536
	537	// Get the height of the top windowmanager border.
	538	// This is the titlebar in most cases. The titlebar might be elsewhere, and
	539	// we could check which is the thickest wm border to decide on which side the
	540	// titlebar is, but this might lead to interesting behaviours in used code.
	541	// Reconsider when we have a way to report to the user on which side it is.
	542	{
	543	int top;
	544	if (wxGetFrameExtents(window, NULL, NULL, &top, NULL))
	545	{
	546	return top; // top frame extent
	547	}
	548	}
	549
	550	// Try a default approach without a window pointer, if possible
	551	// ...
	552
	553	return -1;
	554
	555	case wxSYS_PENWINDOWS_PRESENT:
	556	// No MS Windows for Pen computing extension available in X11 based gtk+.
	557	return 0;
	558
	559	default:
	560	return -1; // metric is unknown
	561	}
	562	}
	563
	564	bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
	565	{
	566	switch (index)
	567	{
	568	case wxSYS_CAN_ICONIZE_FRAME:
	569	return false;
	570
	571	case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
	572	return true;
	573
	574	default:
	575	return false;
	576	}
	577	}