src/msw/settings.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/settings.cpp
   3 // Purpose:     wxSystemSettings
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "settings.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28 #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <stdio.h>
  33     #include "wx/defs.h"
  34     #include "wx/pen.h"
  35     #include "wx/brush.h"
  36     #include "wx/gdicmn.h"
  37 #endif
  38
  39 #include "wx/settings.h"
  40 #include "wx/window.h"
  41 #include "wx/msw/private.h"
  42 #include "wx/module.h"
  43
  44 // ----------------------------------------------------------------------------
  45 // private classes
  46 // ----------------------------------------------------------------------------
  47
  48 // the module which is used to clean up wxSystemSettings data (this is a
  49 // singleton class so it can't be done in the dtor)
  50 class wxSystemSettingsModule : public wxModule
  51 {
  52 public:
  53     virtual bool OnInit();
  54     virtual void OnExit();
  55
  56 private:
  57     DECLARE_DYNAMIC_CLASS(wxSystemSettingsModule)
  58 };
  59
  60 // ----------------------------------------------------------------------------
  61 // global data
  62 // ----------------------------------------------------------------------------
  63
  64 static wxFont *gs_fontDefault = NULL;
  65
  66 // ============================================================================
  67 // implementation
  68 // ============================================================================
  69
  70 // ----------------------------------------------------------------------------
  71 // wxSystemSettingsModule
  72 // ----------------------------------------------------------------------------
  73
  74 IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
  75
  76 bool wxSystemSettingsModule::OnInit()
  77 {
  78     return TRUE;
  79 }
  80
  81 void wxSystemSettingsModule::OnExit()
  82 {
  83     delete gs_fontDefault;
  84 }
  85
  86 // ----------------------------------------------------------------------------
  87 // wxSystemSettings
  88 // ----------------------------------------------------------------------------
  89
  90 // TODO: see ::SystemParametersInfo for all sorts of Windows settings.
  91 // Different args are required depending on the id. How does this differ
  92 // from GetSystemMetric, and should it? Perhaps call it GetSystemParameter
  93 // and pass an optional void* arg to get further info.
  94 // Should also have SetSystemParameter.
  95 // Also implement WM_WININICHANGE (NT) / WM_SETTINGCHANGE (Win95)
  96
  97 wxColour wxSystemSettings::GetSystemColour(int index)
  98 {
  99     switch (index)
 100     {
 101         case wxSYS_COLOUR_LISTBOX:
 102             return *wxWHITE;
 103
 104         default:
 105             COLORREF ref = ::GetSysColor(index);
 106             wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
 107             return col;
 108     }
 109 }
 110
 111 wxFont wxSystemSettings::GetSystemFont(int index)
 112 {
 113     // wxWindow ctor calls GetSystemFont(wxSYS_DEFAULT_GUI_FONT) so we're
 114     // called fairly often - this is why we cache this particular font
 115     bool isDefaultRequested = index == wxSYS_DEFAULT_GUI_FONT;
 116     if ( isDefaultRequested && gs_fontDefault )
 117     {
 118         return *gs_fontDefault;
 119     }
 120
 121     wxFont font;
 122
 123     HFONT hFont = (HFONT) ::GetStockObject(index);
 124     if ( hFont )
 125     {
 126         LOGFONT lf;
 127         if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 )
 128         {
 129             font = wxCreateFontFromLogFont(&lf);
 130         }
 131         else
 132         {
 133             wxFAIL_MSG( _T("failed to get LOGFONT") );
 134         }
 135     }
 136     else // GetStockObject() failed
 137     {
 138         wxFAIL_MSG( _T("stock font not found") );
 139     }
 140
 141     if ( isDefaultRequested )
 142     {
 143         // if we got here it means we hadn't cached it yet - do now
 144         gs_fontDefault = new wxFont(font);
 145     }
 146
 147     return font;
 148 }
 149
 150 // Get a system metric, e.g. scrollbar size
 151 int wxSystemSettings::GetSystemMetric(int index)
 152 {
 153     switch ( index)
 154     {
 155 #ifdef __WIN32__
 156         case wxSYS_MOUSE_BUTTONS:
 157             return ::GetSystemMetrics(SM_CMOUSEBUTTONS);
 158 #endif
 159
 160         case wxSYS_BORDER_X:
 161             return ::GetSystemMetrics(SM_CXBORDER);
 162         case wxSYS_BORDER_Y:
 163             return ::GetSystemMetrics(SM_CYBORDER);
 164         case wxSYS_CURSOR_X:
 165             return ::GetSystemMetrics(SM_CXCURSOR);
 166         case wxSYS_CURSOR_Y:
 167             return ::GetSystemMetrics(SM_CYCURSOR);
 168         case wxSYS_DCLICK_X:
 169             return ::GetSystemMetrics(SM_CXDOUBLECLK);
 170         case wxSYS_DCLICK_Y:
 171             return ::GetSystemMetrics(SM_CYDOUBLECLK);
 172 #if defined(__WIN32__) && defined(SM_CXDRAG)
 173         case wxSYS_DRAG_X:
 174             return ::GetSystemMetrics(SM_CXDRAG);
 175         case wxSYS_DRAG_Y:
 176             return ::GetSystemMetrics(SM_CYDRAG);
 177         case wxSYS_EDGE_X:
 178             return ::GetSystemMetrics(SM_CXEDGE);
 179         case wxSYS_EDGE_Y:
 180             return ::GetSystemMetrics(SM_CYEDGE);
 181 #endif
 182         case wxSYS_HSCROLL_ARROW_X:
 183             return ::GetSystemMetrics(SM_CXHSCROLL);
 184         case wxSYS_HSCROLL_ARROW_Y:
 185             return ::GetSystemMetrics(SM_CYHSCROLL);
 186         case wxSYS_HTHUMB_X:
 187             return ::GetSystemMetrics(SM_CXHTHUMB);
 188         case wxSYS_ICON_X:
 189             return ::GetSystemMetrics(SM_CXICON);
 190         case wxSYS_ICON_Y:
 191             return ::GetSystemMetrics(SM_CYICON);
 192         case wxSYS_ICONSPACING_X:
 193             return ::GetSystemMetrics(SM_CXICONSPACING);
 194         case wxSYS_ICONSPACING_Y:
 195             return ::GetSystemMetrics(SM_CYICONSPACING);
 196         case wxSYS_WINDOWMIN_X:
 197             return ::GetSystemMetrics(SM_CXMIN);
 198         case wxSYS_WINDOWMIN_Y:
 199             return ::GetSystemMetrics(SM_CYMIN);
 200         case wxSYS_SCREEN_X:
 201             return ::GetSystemMetrics(SM_CXSCREEN);
 202         case wxSYS_SCREEN_Y:
 203             return ::GetSystemMetrics(SM_CYSCREEN);
 204
 205 #if defined(__WIN32__) && defined(SM_CXSIZEFRAME)
 206         case wxSYS_FRAMESIZE_X:
 207             return ::GetSystemMetrics(SM_CXSIZEFRAME);
 208         case wxSYS_FRAMESIZE_Y:
 209             return ::GetSystemMetrics(SM_CYSIZEFRAME);
 210         case wxSYS_SMALLICON_X:
 211             return ::GetSystemMetrics(SM_CXSMICON);
 212         case wxSYS_SMALLICON_Y:
 213             return ::GetSystemMetrics(SM_CYSMICON);
 214 #endif
 215         case wxSYS_HSCROLL_Y:
 216             return ::GetSystemMetrics(SM_CYHSCROLL);
 217         case wxSYS_VSCROLL_X:
 218             return ::GetSystemMetrics(SM_CXVSCROLL);
 219         case wxSYS_VSCROLL_ARROW_X:
 220             return ::GetSystemMetrics(SM_CXVSCROLL);
 221         case wxSYS_VSCROLL_ARROW_Y:
 222             return ::GetSystemMetrics(SM_CYVSCROLL);
 223         case wxSYS_VTHUMB_Y:
 224             return ::GetSystemMetrics(SM_CYVTHUMB);
 225         case wxSYS_CAPTION_Y:
 226             return ::GetSystemMetrics(SM_CYCAPTION);
 227         case wxSYS_MENU_Y:
 228             return ::GetSystemMetrics(SM_CYMENU);
 229 #if defined(__WIN32__) && defined(SM_NETWORK)
 230         case wxSYS_NETWORK_PRESENT:
 231             return ::GetSystemMetrics(SM_NETWORK) & 0x0001;
 232 #endif
 233         case wxSYS_PENWINDOWS_PRESENT:
 234             return ::GetSystemMetrics(SM_PENWINDOWS);
 235 #if defined(__WIN32__) && defined(SM_SHOWSOUNDS)
 236         case wxSYS_SHOW_SOUNDS:
 237             return ::GetSystemMetrics(SM_SHOWSOUNDS);
 238 #endif
 239         case wxSYS_SWAP_BUTTONS:
 240             return ::GetSystemMetrics(SM_SWAPBUTTON);
 241         default:
 242             return 0;
 243     }
 244 }
 245