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