/////////////////////////////////////////////////////////////////////////////
-// Name: settings.cpp
-// Purpose: wxSettings
+// Name: msw/settings.cpp
+// Purpose: wxSystemSettingsNative implementation for MSW
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "settings.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/defs.h"
-#include "wx/pen.h"
-#include "wx/brush.h"
-#include "wx/gdicmn.h"
+ #include "wx/gdicmn.h"
#endif
#include "wx/settings.h"
-#include "wx/window.h"
+
#include "wx/msw/private.h"
+#include "wx/module.h"
+#include "wx/fontutil.h"
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+// the module which is used to clean up wxSystemSettingsNative data (this is a
+// singleton class so it can't be done in the dtor)
+class wxSystemSettingsModule : public wxModule
+{
+public:
+ virtual bool OnInit();
+ virtual void OnExit();
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxSystemSettingsModule)
+};
+
+// ----------------------------------------------------------------------------
+// global data
+// ----------------------------------------------------------------------------
+
+// the font returned by GetFont(wxSYS_DEFAULT_GUI_FONT): it is created when
+// GetFont() is called for the first time and deleted by wxSystemSettingsModule
+static wxFont *gs_fontDefault = NULL;
+
+// ============================================================================
+// implementation
+// ============================================================================
+
// TODO: see ::SystemParametersInfo for all sorts of Windows settings.
// Different args are required depending on the id. How does this differ
// from GetSystemMetric, and should it? Perhaps call it GetSystemParameter
// Should also have SetSystemParameter.
// Also implement WM_WININICHANGE (NT) / WM_SETTINGCHANGE (Win95)
-wxColour wxSystemSettings::GetSystemColour(int index)
+// ----------------------------------------------------------------------------
+// wxSystemSettingsModule
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
+
+bool wxSystemSettingsModule::OnInit()
{
- COLORREF ref = ::GetSysColor(index);
- wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
- return col;
+ return TRUE;
}
-wxFont wxSystemSettings::GetSystemFont(int index)
+void wxSystemSettingsModule::OnExit()
{
- HFONT hFont = (HFONT) ::GetStockObject(index);
- if ( hFont != NULL )
- {
- LOGFONT lf;
- if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 )
- {
- // In fontdlg.cpp
- return wxCreateFontFromLogFont(&lf);
- }
- else
- {
- return wxNullFont;
- }
- }
- else
- {
- return wxNullFont;
- }
+ delete gs_fontDefault;
+ gs_fontDefault = NULL;
}
-// Get a system metric, e.g. scrollbar size
-int wxSystemSettings::GetSystemMetric(int index)
+// ----------------------------------------------------------------------------
+// wxSystemSettingsNative
+// ----------------------------------------------------------------------------
+
+// ----------------------------------------------------------------------------
+// colours
+// ----------------------------------------------------------------------------
+
+wxColour wxSystemSettingsNative::GetColour(wxSystemColour index)
+{
+ wxColour col;
+ wxRGBToColour(col, ::GetSysColor(index));
+ return col;
+}
+
+// ----------------------------------------------------------------------------
+// fonts
+// ----------------------------------------------------------------------------
+
+wxFont wxCreateFontFromStockObject(int index)
+{
+ wxFont font;
+
+ HFONT hFont = (HFONT) ::GetStockObject(index);
+ if ( hFont )
+ {
+ LOGFONT lf;
+ if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 )
+ {
+ wxNativeFontInfo info;
+ info.lf = lf;
+ // Under MicroWindows we pass the HFONT as well
+ // because it's hard to convert HFONT -> LOGFONT -> HFONT
+ // It's OK to delete stock objects, the delete will be ignored.
+#ifdef __WXMICROWIN__
+ font.Create(info, (WXHFONT) hFont);
+#else
+ font.Create(info);
+#endif
+ }
+ else
+ {
+ wxFAIL_MSG( _T("failed to get LOGFONT") );
+ }
+ }
+ else // GetStockObject() failed
+ {
+ wxFAIL_MSG( _T("stock font not found") );
+ }
+
+ return font;
+}
+
+wxFont wxSystemSettingsNative::GetFont(wxSystemFont index)
+{
+ // wxWindow ctor calls GetSystemFont(wxSYS_DEFAULT_GUI_FONT) so we're
+ // called fairly often - this is why we cache this particular font
+ bool isDefaultRequested = index == wxSYS_DEFAULT_GUI_FONT;
+ if ( isDefaultRequested && gs_fontDefault )
+ {
+ return *gs_fontDefault;
+ }
+
+ wxFont font = wxCreateFontFromStockObject(index);
+
+ if ( isDefaultRequested )
+ {
+ // if we got here it means we hadn't cached it yet - do now
+ gs_fontDefault = new wxFont(font);
+ }
+
+ return font;
+}
+
+// ----------------------------------------------------------------------------
+// system metrics/features
+// ----------------------------------------------------------------------------
+
+// TODO: some of the "metrics" clearly should be features now that we have
+// HasFeature()!
+
+// the conversion table from wxSystemMetric enum to GetSystemMetrics() param
+//
+// if the constant is not defined, put -1 in the table to indicate that it is
+// unknown
+static const int gs_metricsMap[] =
{
- switch ( index)
- {
#ifdef __WIN32__
- case wxSYS_MOUSE_BUTTONS:
- return ::GetSystemMetrics(SM_CMOUSEBUTTONS);
+ SM_CMOUSEBUTTONS,
+#else
+ -1,
#endif
- case wxSYS_BORDER_X:
- return ::GetSystemMetrics(SM_CXBORDER);
- case wxSYS_BORDER_Y:
- return ::GetSystemMetrics(SM_CYBORDER);
- case wxSYS_CURSOR_X:
- return ::GetSystemMetrics(SM_CXCURSOR);
- case wxSYS_CURSOR_Y:
- return ::GetSystemMetrics(SM_CYCURSOR);
- case wxSYS_DCLICK_X:
- return ::GetSystemMetrics(SM_CXDOUBLECLK);
- case wxSYS_DCLICK_Y:
- return ::GetSystemMetrics(SM_CYDOUBLECLK);
+ SM_CXBORDER,
+ SM_CYBORDER,
+ SM_CXCURSOR,
+ SM_CYCURSOR,
+ SM_CXDOUBLECLK,
+ SM_CYDOUBLECLK,
#if defined(__WIN32__) && defined(SM_CXDRAG)
- case wxSYS_DRAG_X:
- return ::GetSystemMetrics(SM_CXDRAG);
- case wxSYS_DRAG_Y:
- return ::GetSystemMetrics(SM_CYDRAG);
- case wxSYS_EDGE_X:
- return ::GetSystemMetrics(SM_CXEDGE);
- case wxSYS_EDGE_Y:
- return ::GetSystemMetrics(SM_CYEDGE);
+ SM_CXDRAG,
+ SM_CYDRAG,
+ SM_CXEDGE,
+ SM_CYEDGE,
+#else
+ -1, -1, -1, -1
#endif
- case wxSYS_HSCROLL_ARROW_X:
- return ::GetSystemMetrics(SM_CXHSCROLL);
- case wxSYS_HSCROLL_ARROW_Y:
- return ::GetSystemMetrics(SM_CYHSCROLL);
- case wxSYS_HTHUMB_X:
- return ::GetSystemMetrics(SM_CXHTHUMB);
- case wxSYS_ICON_X:
- return ::GetSystemMetrics(SM_CXICON);
- case wxSYS_ICON_Y:
- return ::GetSystemMetrics(SM_CYICON);
- case wxSYS_ICONSPACING_X:
- return ::GetSystemMetrics(SM_CXICONSPACING);
- case wxSYS_ICONSPACING_Y:
- return ::GetSystemMetrics(SM_CYICONSPACING);
- case wxSYS_WINDOWMIN_X:
- return ::GetSystemMetrics(SM_CXMIN);
- case wxSYS_WINDOWMIN_Y:
- return ::GetSystemMetrics(SM_CYMIN);
- case wxSYS_SCREEN_X:
- return ::GetSystemMetrics(SM_CXSCREEN);
- case wxSYS_SCREEN_Y:
- return ::GetSystemMetrics(SM_CYSCREEN);
+ SM_CXHSCROLL,
+ SM_CYHSCROLL,
+ SM_CXHTHUMB,
+ SM_CXICON,
+ SM_CYICON,
+ SM_CXICONSPACING,
+ SM_CYICONSPACING,
+ SM_CXMIN,
+ SM_CYMIN,
+ SM_CXSCREEN,
+ SM_CYSCREEN,
#if defined(__WIN32__) && defined(SM_CXSIZEFRAME)
- case wxSYS_FRAMESIZE_X:
- return ::GetSystemMetrics(SM_CXSIZEFRAME);
- case wxSYS_FRAMESIZE_Y:
- return ::GetSystemMetrics(SM_CYSIZEFRAME);
- case wxSYS_SMALLICON_X:
- return ::GetSystemMetrics(SM_CXSMICON);
- case wxSYS_SMALLICON_Y:
- return ::GetSystemMetrics(SM_CYSMICON);
+ SM_CXSIZEFRAME,
+ SM_CYSIZEFRAME,
+ SM_CXSMICON,
+ SM_CYSMICON,
+#else
+ -1, -1, -1, -1
#endif
- case wxSYS_HSCROLL_Y:
- return ::GetSystemMetrics(SM_CYHSCROLL);
- case wxSYS_VSCROLL_X:
- return ::GetSystemMetrics(SM_CXVSCROLL);
- case wxSYS_VSCROLL_ARROW_X:
- return ::GetSystemMetrics(SM_CXVSCROLL);
- case wxSYS_VSCROLL_ARROW_Y:
- return ::GetSystemMetrics(SM_CYVSCROLL);
- case wxSYS_VTHUMB_Y:
- return ::GetSystemMetrics(SM_CYVTHUMB);
- case wxSYS_CAPTION_Y:
- return ::GetSystemMetrics(SM_CYCAPTION);
- case wxSYS_MENU_Y:
- return ::GetSystemMetrics(SM_CYMENU);
+ SM_CYHSCROLL,
+ SM_CXVSCROLL,
+ SM_CXVSCROLL,
+ SM_CYVSCROLL,
+ SM_CYVTHUMB,
+ SM_CYCAPTION,
+ SM_CYMENU,
#if defined(__WIN32__) && defined(SM_NETWORK)
- case wxSYS_NETWORK_PRESENT:
- return ::GetSystemMetrics(SM_NETWORK) & 0x0001;
+ SM_NETWORK,
+#else
+ -1,
#endif
- case wxSYS_PENWINDOWS_PRESENT:
- return ::GetSystemMetrics(SM_PENWINDOWS);
+ SM_PENWINDOWS,
#if defined(__WIN32__) && defined(SM_SHOWSOUNDS)
- case wxSYS_SHOW_SOUNDS:
- return ::GetSystemMetrics(SM_SHOWSOUNDS);
+ SM_SHOWSOUNDS,
+#else
+ -1,
#endif
- case wxSYS_SWAP_BUTTONS:
- return ::GetSystemMetrics(SM_SWAPBUTTON);
- default:
- return 0;
- }
- return 0;
+ SM_SWAPBUTTON,
+};
+
+// Get a system metric, e.g. scrollbar size
+int wxSystemSettingsNative::GetMetric(wxSystemMetric index)
+{
+#ifdef __WXMICROWIN__
+ // TODO: probably use wxUniv themes functionality
+ return 0;
+#else // !__WXMICROWIN__
+ wxCHECK_MSG( index < WXSIZEOF(gs_metricsMap), 0, _T("invalid metric") );
+
+ int indexMSW = gs_metricsMap[index];
+ if ( indexMSW == -1 )
+ {
+ // not supported under current system
+ return 0;
+ }
+
+ int rc = ::GetSystemMetrics(indexMSW);
+ if ( index == wxSYS_NETWORK_PRESENT )
+ {
+ // only the last bit is significant according to the MSDN
+ rc &= 1;
+ }
+
+ return rc;
+#endif // __WXMICROWIN__/!__WXMICROWIN__
}
+bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
+{
+ switch ( index )
+ {
+ case wxSYS_CAN_ICONIZE_FRAME:
+ case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
+ return TRUE;
+
+ default:
+ wxFAIL_MSG( _T("unknown system feature") );
+
+ return FALSE;
+ }
+}
projects / wxWidgets.git / blobdiff