b34dfc2e86
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@48403 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
616 lines
19 KiB
C++
616 lines
19 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/gtk/settings.cpp
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// Purpose:
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// Author: Robert Roebling
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// Modified by: Mart Raudsepp (GetMetric)
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#include "wx/settings.h"
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#ifndef WX_PRECOMP
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#include "wx/cmndata.h"
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#include "wx/toplevel.h"
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#endif
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#include "wx/fontutil.h"
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#include <gtk/gtkversion.h>
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#if GTK_CHECK_VERSION(2, 9, 0)
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// gtk_object_sink
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#undef GTK_DISABLE_DEPRECATED
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#endif
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#include <gtk/gtk.h>
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#include <gdk/gdkx.h>
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#include <X11/Xatom.h>
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// ----------------------------------------------------------------------------
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// wxSystemObjects
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// ----------------------------------------------------------------------------
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struct wxSystemObjects
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{
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wxColour m_colBtnFace,
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m_colBtnShadow,
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m_colBtnHighlight,
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m_colHighlight,
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m_colHighlightText,
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m_colListBox,
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m_colBtnText,
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m_colMenuItemHighlight,
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m_colTooltip,
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m_colTooltipText;
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wxFont m_fontSystem;
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};
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static wxSystemObjects gs_objects;
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// ----------------------------------------------------------------------------
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// wxSystemSettings implementation
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// ----------------------------------------------------------------------------
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// kind of widget to use in GetColourFromGTKWidget
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enum wxGtkWidgetType
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{
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wxGTK_BUTTON,
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wxGTK_LIST,
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wxGTK_MENUITEM
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};
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// the colour we need
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enum wxGtkColourType
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{
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wxGTK_FG,
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wxGTK_BG,
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wxGTK_BASE
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};
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// wxSystemSettings::GetColour() helper: get the colours from a GTK+
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// widget style, return true if we did get them
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static bool GetColourFromGTKWidget(GdkColor& gdkColor,
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wxGtkWidgetType type = wxGTK_BUTTON,
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GtkStateType state = GTK_STATE_NORMAL,
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wxGtkColourType colour = wxGTK_BG)
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{
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GtkWidget *widget;
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switch ( type )
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{
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default:
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wxFAIL_MSG( _T("unexpected GTK widget type") );
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// fall through
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case wxGTK_BUTTON:
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widget = gtk_button_new();
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break;
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case wxGTK_LIST:
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widget = gtk_tree_view_new_with_model(
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(GtkTreeModel*)gtk_list_store_new(1, G_TYPE_INT));
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break;
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case wxGTK_MENUITEM:
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widget = gtk_menu_item_new();
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}
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GtkStyle *def = gtk_rc_get_style( widget );
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if ( !def )
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def = gtk_widget_get_default_style();
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const bool ok = def != NULL;
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if (ok)
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{
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switch ( colour )
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{
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default:
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wxFAIL_MSG( _T("unexpected GTK colour type") );
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// fall through
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case wxGTK_FG:
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gdkColor = def->fg[state];
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break;
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case wxGTK_BG:
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gdkColor = def->bg[state];
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break;
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case wxGTK_BASE:
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gdkColor = def->base[state];
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break;
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}
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}
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gtk_object_sink((GtkObject*)widget);
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return ok;
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}
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static void GetTooltipColors()
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{
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GtkWidget* widget = gtk_window_new(GTK_WINDOW_POPUP);
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const char* name = "gtk-tooltip";
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if (gtk_check_version(2, 11, 0))
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name = "gtk-tooltips";
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gtk_widget_set_name(widget, name);
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gtk_widget_ensure_style(widget);
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GdkColor c = widget->style->bg[GTK_STATE_NORMAL];
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gs_objects.m_colTooltip = wxColor(c);
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c = widget->style->fg[GTK_STATE_NORMAL];
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gs_objects.m_colTooltipText = wxColor(c);
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gtk_widget_destroy(widget);
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}
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wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
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{
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wxColor color;
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GdkColor gdkColor;
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switch (index)
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{
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case wxSYS_COLOUR_SCROLLBAR:
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case wxSYS_COLOUR_BACKGROUND:
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case wxSYS_COLOUR_INACTIVECAPTION:
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case wxSYS_COLOUR_MENU:
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case wxSYS_COLOUR_WINDOWFRAME:
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case wxSYS_COLOUR_ACTIVEBORDER:
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case wxSYS_COLOUR_INACTIVEBORDER:
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case wxSYS_COLOUR_BTNFACE:
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case wxSYS_COLOUR_MENUBAR:
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case wxSYS_COLOUR_3DLIGHT:
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if (!gs_objects.m_colBtnFace.Ok())
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{
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gdkColor.red =
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gdkColor.green = 0;
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gdkColor.blue = 0x9c40;
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GetColourFromGTKWidget(gdkColor);
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gs_objects.m_colBtnFace = wxColor(gdkColor);
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}
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color = gs_objects.m_colBtnFace;
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break;
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case wxSYS_COLOUR_WINDOW:
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color = *wxWHITE;
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break;
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case wxSYS_COLOUR_3DDKSHADOW:
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color = *wxBLACK;
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break;
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case wxSYS_COLOUR_GRAYTEXT:
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case wxSYS_COLOUR_BTNSHADOW:
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//case wxSYS_COLOUR_3DSHADOW:
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if (!gs_objects.m_colBtnShadow.Ok())
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{
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wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
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gs_objects.m_colBtnShadow =
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wxColour((unsigned char) (faceColour.Red() * 2 / 3),
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(unsigned char) (faceColour.Green() * 2 / 3),
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(unsigned char) (faceColour.Blue() * 2 / 3));
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}
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color = gs_objects.m_colBtnShadow;
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break;
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case wxSYS_COLOUR_3DHIGHLIGHT:
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//case wxSYS_COLOUR_BTNHIGHLIGHT:
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color = *wxWHITE;
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break;
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case wxSYS_COLOUR_HIGHLIGHT:
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if (!gs_objects.m_colHighlight.Ok())
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{
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gdkColor.red =
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gdkColor.green = 0;
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gdkColor.blue = 0x9c40;
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GetColourFromGTKWidget(
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gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED);
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gs_objects.m_colHighlight = wxColour(gdkColor);
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}
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color = gs_objects.m_colHighlight;
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break;
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case wxSYS_COLOUR_LISTBOX:
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if (!gs_objects.m_colListBox.Ok())
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{
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if ( GetColourFromGTKWidget(gdkColor,
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wxGTK_LIST,
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GTK_STATE_NORMAL,
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wxGTK_BASE) )
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{
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gs_objects.m_colListBox = wxColour(gdkColor);
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}
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else
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{
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gs_objects.m_colListBox = *wxWHITE;
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}
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}
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color = gs_objects.m_colListBox;
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break;
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case wxSYS_COLOUR_MENUTEXT:
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case wxSYS_COLOUR_WINDOWTEXT:
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case wxSYS_COLOUR_CAPTIONTEXT:
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case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
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case wxSYS_COLOUR_BTNTEXT:
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if (!gs_objects.m_colBtnText.Ok())
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{
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gdkColor.red =
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gdkColor.green =
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gdkColor.blue = 0;
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GetColourFromGTKWidget(
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gdkColor, wxGTK_BUTTON, GTK_STATE_NORMAL, wxGTK_FG);
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gs_objects.m_colBtnText = wxColour(gdkColor);
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}
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color = gs_objects.m_colBtnText;
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break;
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case wxSYS_COLOUR_INFOBK:
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if (!gs_objects.m_colTooltip.Ok()) {
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GetTooltipColors();
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}
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color = gs_objects.m_colTooltip;
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break;
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case wxSYS_COLOUR_INFOTEXT:
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if (!gs_objects.m_colTooltipText.Ok()) {
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GetTooltipColors();
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}
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color = gs_objects.m_colTooltipText;
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break;
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case wxSYS_COLOUR_HIGHLIGHTTEXT:
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if (!gs_objects.m_colHighlightText.Ok())
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{
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wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT);
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if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
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gs_objects.m_colHighlightText = *wxBLACK;
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else
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gs_objects.m_colHighlightText = *wxWHITE;
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}
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color = gs_objects.m_colHighlightText;
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break;
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case wxSYS_COLOUR_APPWORKSPACE:
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color = *wxWHITE; // ?
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break;
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case wxSYS_COLOUR_ACTIVECAPTION:
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case wxSYS_COLOUR_MENUHILIGHT:
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if (!gs_objects.m_colMenuItemHighlight.Ok())
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{
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gdkColor.red =
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gdkColor.green =
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gdkColor.blue = 0;
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GetColourFromGTKWidget(
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gdkColor, wxGTK_MENUITEM, GTK_STATE_SELECTED, wxGTK_BG);
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gs_objects.m_colMenuItemHighlight = wxColour(gdkColor);
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}
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color = gs_objects.m_colMenuItemHighlight;
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break;
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case wxSYS_COLOUR_HOTLIGHT:
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case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
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case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
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// TODO
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color = *wxBLACK;
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break;
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case wxSYS_COLOUR_MAX:
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default:
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wxFAIL_MSG( _T("unknown system colour index") );
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color = *wxWHITE;
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break;
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}
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return color;
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}
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wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
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{
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wxFont font;
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switch (index)
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{
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case wxSYS_OEM_FIXED_FONT:
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case wxSYS_ANSI_FIXED_FONT:
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case wxSYS_SYSTEM_FIXED_FONT:
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font = *wxNORMAL_FONT;
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break;
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case wxSYS_ANSI_VAR_FONT:
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case wxSYS_SYSTEM_FONT:
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case wxSYS_DEVICE_DEFAULT_FONT:
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case wxSYS_DEFAULT_GUI_FONT:
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if (!gs_objects.m_fontSystem.Ok())
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{
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GtkWidget *widget = gtk_button_new();
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GtkStyle *def = gtk_rc_get_style( widget );
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if ( !def || !def->font_desc )
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def = gtk_widget_get_default_style();
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if ( def && def->font_desc )
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{
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wxNativeFontInfo info;
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info.description =
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pango_font_description_copy(def->font_desc);
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gs_objects.m_fontSystem = wxFont(info);
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}
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else
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{
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GtkSettings *settings = gtk_settings_get_default();
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gchar *font_name = NULL;
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g_object_get ( settings,
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"gtk-font-name",
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&font_name,
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NULL);
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if (!font_name)
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gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
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else
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gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name));
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g_free (font_name);
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}
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gtk_object_sink((GtkObject*)widget);
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}
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font = gs_objects.m_fontSystem;
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break;
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default:
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break;
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}
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return font;
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}
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static bool wxXGetWindowProperty(GdkWindow* window, Atom& type, int& format, gulong& nitems, guchar*& data)
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{
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bool success = false;
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#if GTK_CHECK_VERSION(2, 2, 0)
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if (gtk_check_version(2, 2, 0) == NULL)
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{
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gulong bytes_after;
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success = XGetWindowProperty(
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GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(window)),
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GDK_WINDOW_XWINDOW(window),
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gdk_x11_get_xatom_by_name_for_display(
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gdk_drawable_get_display(window),
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"_NET_FRAME_EXTENTS"),
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0, // left, right, top, bottom, CARDINAL[4]/32
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G_MAXLONG, // size of long
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false, // do not delete property
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XA_CARDINAL, // 32 bit
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&type, &format, &nitems, &bytes_after, &data
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) == Success;
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}
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#endif
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return success;
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}
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int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
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{
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guchar *data = NULL;
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Atom type;
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int format;
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gulong nitems;
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GdkWindow *window = NULL;
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if(win && GTK_WIDGET_REALIZED(win->GetHandle()))
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window = win->GetHandle()->window;
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switch (index)
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{
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case wxSYS_BORDER_X:
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case wxSYS_BORDER_Y:
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case wxSYS_EDGE_X:
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case wxSYS_EDGE_Y:
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case wxSYS_FRAMESIZE_X:
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case wxSYS_FRAMESIZE_Y:
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// If a window is specified/realized, and it is a toplevel window, we can query from wm.
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// The returned border thickness is outside the client area in that case.
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if (window)
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{
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wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
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if (!tlw)
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return -1; // not a tlw, not sure how to approach
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else
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{
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// Check if wm supports frame extents - we can't know
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// the border widths if it does not.
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#if GTK_CHECK_VERSION(2,2,0)
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if (!gtk_check_version(2,2,0))
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{
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if (!gdk_x11_screen_supports_net_wm_hint(
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gdk_drawable_get_screen(window),
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gdk_atom_intern("_NET_FRAME_EXTENTS", false) ) )
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return -1;
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}
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else
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#endif
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{
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if (!gdk_net_wm_supports(gdk_atom_intern("_NET_FRAME_EXTENTS", false)))
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return -1;
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}
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// Get the frame extents from the windowmanager.
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// In most cases the top extent is the titlebar, so we use the bottom extent
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// for the heights.
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if (wxXGetWindowProperty(window, type, format, nitems, data))
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{
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int border_return = -1;
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if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 4) && (data))
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{
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switch(index)
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{
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case wxSYS_BORDER_X:
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case wxSYS_EDGE_X:
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case wxSYS_FRAMESIZE_X:
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border_return = int(data[1]); // width of right extent
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break;
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default:
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border_return = int(data[3]); // height of bottom extent
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break;
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}
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}
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if (data)
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XFree(data);
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return border_return;
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}
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}
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}
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return -1; // no window specified
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case wxSYS_CURSOR_X:
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case wxSYS_CURSOR_Y:
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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if (window)
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return gdk_display_get_default_cursor_size(gdk_drawable_get_display(window));
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else
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return gdk_display_get_default_cursor_size(gdk_display_get_default());
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}
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else
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#endif
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return 16;
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case wxSYS_DCLICK_X:
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case wxSYS_DCLICK_Y:
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gint dclick_distance;
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#if GTK_CHECK_VERSION(2,2,0)
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if (window && !gtk_check_version(2,2,0))
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g_object_get(gtk_settings_get_for_screen(gdk_drawable_get_screen(window)),
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"gtk-double-click-distance", &dclick_distance, NULL);
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else
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#endif
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g_object_get(gtk_settings_get_default(),
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"gtk-double-click-distance", &dclick_distance, NULL);
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return dclick_distance * 2;
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case wxSYS_DRAG_X:
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case wxSYS_DRAG_Y:
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gint drag_threshold;
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#if GTK_CHECK_VERSION(2,2,0)
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if (window && !gtk_check_version(2,2,0))
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{
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g_object_get(
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gtk_settings_get_for_screen(gdk_drawable_get_screen(window)),
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"gtk-dnd-drag-threshold",
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&drag_threshold, NULL);
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}
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else
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#endif
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{
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g_object_get(gtk_settings_get_default(),
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"gtk-dnd-drag-threshold", &drag_threshold, NULL);
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}
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// The correct thing here would be to double the value
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// since that is what the API wants. But the values
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// are much bigger under GNOME than under Windows and
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// just seem to much in many cases to be useful.
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// drag_threshold *= 2;
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return drag_threshold;
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// MBN: ditto for icons
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case wxSYS_ICON_X: return 32;
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case wxSYS_ICON_Y: return 32;
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case wxSYS_SCREEN_X:
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#if GTK_CHECK_VERSION(2,2,0)
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if (window && !gtk_check_version(2,2,0))
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return gdk_screen_get_width(gdk_drawable_get_screen(window));
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else
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#endif
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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 = int(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
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|