4be459d98e
This will be important when new fields are added to wxNativeFontInfo as the ctor will be extended to initialize them, while this code wouldn't do it. No real changes yet.
338 lines
9.6 KiB
C++
338 lines
9.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/msw/settings.cpp
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// Purpose: wxSystemSettingsNative implementation for MSW
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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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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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/settings.h"
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#ifndef WX_PRECOMP
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#include "wx/utils.h"
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#include "wx/gdicmn.h"
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#include "wx/module.h"
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#endif
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#include "wx/msw/private.h"
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#include "wx/msw/missing.h" // for SM_CXCURSOR, SM_CYCURSOR, SM_TABLETPC
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#include "wx/msw/private/metrics.h"
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#include "wx/fontutil.h"
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#include "wx/fontenum.h"
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// the module which is used to clean up wxSystemSettingsNative data (this is a
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// singleton class so it can't be done in the dtor)
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class wxSystemSettingsModule : public wxModule
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{
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public:
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virtual bool OnInit() wxOVERRIDE;
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virtual void OnExit() wxOVERRIDE;
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private:
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wxDECLARE_DYNAMIC_CLASS(wxSystemSettingsModule);
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};
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// ----------------------------------------------------------------------------
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// global data
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// ----------------------------------------------------------------------------
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// the font returned by GetFont(wxSYS_DEFAULT_GUI_FONT): it is created when
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// GetFont() is called for the first time and deleted by wxSystemSettingsModule
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static wxFont *gs_fontDefault = NULL;
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// ============================================================================
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// implementation
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// ============================================================================
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// TODO: see ::SystemParametersInfo for all sorts of Windows settings.
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// Different args are required depending on the id. How does this differ
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// from GetSystemMetric, and should it? Perhaps call it GetSystemParameter
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// and pass an optional void* arg to get further info.
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// Should also have SetSystemParameter.
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// Also implement WM_WININICHANGE
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// ----------------------------------------------------------------------------
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// wxSystemSettingsModule
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// ----------------------------------------------------------------------------
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wxIMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule);
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bool wxSystemSettingsModule::OnInit()
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{
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return true;
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}
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void wxSystemSettingsModule::OnExit()
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{
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wxDELETE(gs_fontDefault);
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}
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// ----------------------------------------------------------------------------
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// wxSystemSettingsNative
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// colours
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// ----------------------------------------------------------------------------
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wxColour wxSystemSettingsNative::GetColour(wxSystemColour index)
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{
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if ( index == wxSYS_COLOUR_LISTBOXTEXT)
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{
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// there is no standard colour with this index, map to another one
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index = wxSYS_COLOUR_WINDOWTEXT;
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}
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else if ( index == wxSYS_COLOUR_LISTBOXHIGHLIGHTTEXT)
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{
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// there is no standard colour with this index, map to another one
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index = wxSYS_COLOUR_HIGHLIGHTTEXT;
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}
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else if ( index == wxSYS_COLOUR_LISTBOX )
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{
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// there is no standard colour with this index, map to another one
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index = wxSYS_COLOUR_WINDOW;
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}
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else if ( index > wxSYS_COLOUR_BTNHIGHLIGHT )
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{
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// Determine if we are using flat menus, only then allow wxSYS_COLOUR_MENUBAR
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if ( index == wxSYS_COLOUR_MENUBAR )
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{
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BOOL isFlat ;
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if ( SystemParametersInfo( SPI_GETFLATMENU , 0 ,&isFlat, 0 ) )
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{
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if ( !isFlat )
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index = wxSYS_COLOUR_MENU ;
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}
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}
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}
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COLORREF colSys = ::GetSysColor(index);
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wxColour ret = wxRGBToColour(colSys);
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wxASSERT(ret.IsOk());
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return ret;
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}
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// ----------------------------------------------------------------------------
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// fonts
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// ----------------------------------------------------------------------------
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wxFont wxCreateFontFromStockObject(int index)
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{
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wxFont font;
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HFONT hFont = (HFONT) ::GetStockObject(index);
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if ( hFont )
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{
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LOGFONT lf;
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if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 )
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{
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wxNativeFontInfo info(lf);
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font.Create(info);
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}
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else
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{
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wxFAIL_MSG( wxT("failed to get LOGFONT") );
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}
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}
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else // GetStockObject() failed
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{
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wxFAIL_MSG( wxT("stock font not found") );
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}
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return font;
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}
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wxFont wxSystemSettingsNative::GetFont(wxSystemFont index)
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{
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// wxWindow ctor calls GetFont(wxSYS_DEFAULT_GUI_FONT) so we're
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// called fairly often -- this is why we cache this particular font
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if ( index == wxSYS_DEFAULT_GUI_FONT )
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{
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if ( !gs_fontDefault )
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{
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// http://blogs.msdn.com/oldnewthing/archive/2005/07/07/436435.aspx
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// explains why neither SYSTEM_FONT nor DEFAULT_GUI_FONT should be
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// used here
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//
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// the message box font seems to be the one which should be used
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// for most (simple) controls, e.g. buttons and such but other
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// controls may prefer to use lfStatusFont or lfCaptionFont if it
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// is more appropriate for them
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const wxNativeFontInfo
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info(wxMSWImpl::GetNonClientMetrics().lfMessageFont);
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gs_fontDefault = new wxFont(info);
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}
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return *gs_fontDefault;
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}
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wxFont font = wxCreateFontFromStockObject(index);
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wxASSERT(font.IsOk());
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#if wxUSE_FONTENUM
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wxASSERT(wxFontEnumerator::IsValidFacename(font.GetFaceName()));
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#endif // wxUSE_FONTENUM
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return font;
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}
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// ----------------------------------------------------------------------------
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// system metrics/features
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// ----------------------------------------------------------------------------
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// TODO: some of the "metrics" clearly should be features now that we have
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// HasFeature()!
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// the conversion table from wxSystemMetric enum to GetSystemMetrics() param
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//
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// if the constant is not defined, put -1 in the table to indicate that it is
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// unknown
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static const int gs_metricsMap[] =
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{
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-1, // wxSystemMetric enums start at 1, so give a dummy value for pos 0.
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SM_CMOUSEBUTTONS,
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SM_CXBORDER,
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SM_CYBORDER,
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SM_CXCURSOR,
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SM_CYCURSOR,
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SM_CXDOUBLECLK,
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SM_CYDOUBLECLK,
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SM_CXDRAG,
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SM_CYDRAG,
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SM_CXEDGE,
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SM_CYEDGE,
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SM_CXHSCROLL,
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SM_CYHSCROLL,
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SM_CXHTHUMB,
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SM_CXICON,
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SM_CYICON,
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SM_CXICONSPACING,
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SM_CYICONSPACING,
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SM_CXMIN,
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SM_CYMIN,
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SM_CXSCREEN,
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SM_CYSCREEN,
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SM_CXSIZEFRAME,
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SM_CYSIZEFRAME,
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SM_CXSMICON,
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SM_CYSMICON,
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SM_CYHSCROLL,
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SM_CXHSCROLL,
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SM_CXVSCROLL,
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SM_CYVSCROLL,
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SM_CYVTHUMB,
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SM_CYCAPTION,
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SM_CYMENU,
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SM_NETWORK,
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SM_PENWINDOWS,
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SM_SHOWSOUNDS,
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SM_SWAPBUTTON,
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-1 // wxSYS_DCLICK_MSEC - not available as system metric
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};
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// Get a system metric, e.g. scrollbar size
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int wxSystemSettingsNative::GetMetric(wxSystemMetric index, wxWindow* WXUNUSED(win))
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{
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wxCHECK_MSG( index > 0 && (size_t)index < WXSIZEOF(gs_metricsMap), 0,
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wxT("invalid metric") );
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if ( index == wxSYS_DCLICK_MSEC )
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{
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// This one is not a Win32 system metric
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return ::GetDoubleClickTime();
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}
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int indexMSW = gs_metricsMap[index];
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if ( indexMSW == -1 )
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{
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// not supported under current system
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return -1;
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}
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int rc = ::GetSystemMetrics(indexMSW);
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if ( index == wxSYS_NETWORK_PRESENT )
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{
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// only the last bit is significant according to the MSDN
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rc &= 1;
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}
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return rc;
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}
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bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
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{
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switch ( index )
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{
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case wxSYS_CAN_ICONIZE_FRAME:
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case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
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return true;
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case wxSYS_TABLET_PRESENT:
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return ::GetSystemMetrics(SM_TABLETPC) != 0;
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default:
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wxFAIL_MSG( wxT("unknown system feature") );
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return false;
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}
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}
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// ----------------------------------------------------------------------------
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// function from wx/msw/wrapcctl.h: there is really no other place for it...
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// ----------------------------------------------------------------------------
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#if wxUSE_LISTCTRL || wxUSE_TREECTRL
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extern wxFont wxGetCCDefaultFont()
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{
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// the default font used for the common controls seems to be the desktop
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// font which is also used for the icon titles and not the stock default
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// GUI font
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LOGFONT lf;
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if ( ::SystemParametersInfo
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(
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SPI_GETICONTITLELOGFONT,
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sizeof(lf),
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&lf,
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0
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) )
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{
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return wxFont(wxCreateFontFromLogFont(&lf));
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}
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else
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{
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wxLogLastError(wxT("SystemParametersInfo(SPI_GETICONTITLELOGFONT"));
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}
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// fall back to the default font for the normal controls
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return wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
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}
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#endif // wxUSE_LISTCTRL || wxUSE_TREECTRL
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