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     friend class wxSystemSettings;
  53 public:
  54     virtual bool OnInit();
  55     virtual void OnExit();
  56
  57 private:
  58     DECLARE_DYNAMIC_CLASS(wxSystemSettingsModule)
  59
  60     static wxArrayString   sm_optionNames;
  61     static wxArrayString   sm_optionValues;
  62 };
  63
  64 // ----------------------------------------------------------------------------
  65 // global data
  66 // ----------------------------------------------------------------------------
  67
  68 static wxFont *gs_fontDefault = NULL;
  69
  70 // ============================================================================
  71 // implementation
  72 // ============================================================================
  73
  74 // ----------------------------------------------------------------------------
  75 // wxSystemSettingsModule
  76 // ----------------------------------------------------------------------------
  77
  78 IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
  79
  80 wxArrayString wxSystemSettingsModule::sm_optionNames;
  81 wxArrayString wxSystemSettingsModule::sm_optionValues;
  82
  83 bool wxSystemSettingsModule::OnInit()
  84 {
  85     return TRUE;
  86 }
  87
  88 void wxSystemSettingsModule::OnExit()
  89 {
  90     sm_optionNames.Clear();
  91     sm_optionValues.Clear();
  92     delete gs_fontDefault;
  93 }
  94
  95 // ----------------------------------------------------------------------------
  96 // wxSystemSettings
  97 // ----------------------------------------------------------------------------
  98
  99 // TODO: see ::SystemParametersInfo for all sorts of Windows settings.
 100 // Different args are required depending on the id. How does this differ
 101 // from GetSystemMetric, and should it? Perhaps call it GetSystemParameter
 102 // and pass an optional void* arg to get further info.
 103 // Should also have SetSystemParameter.
 104 // Also implement WM_WININICHANGE (NT) / WM_SETTINGCHANGE (Win95)
 105
 106 wxColour wxSystemSettings::GetSystemColour(int index)
 107 {
 108     switch (index)
 109     {
 110         case wxSYS_COLOUR_LISTBOX:
 111             return *wxWHITE;
 112
 113         default:
 114             COLORREF ref = ::GetSysColor(index);
 115             wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
 116             return col;
 117     }
 118 }
 119
 120 wxFont wxSystemSettings::GetSystemFont(int index)
 121 {
 122     // wxWindow ctor calls GetSystemFont(wxSYS_DEFAULT_GUI_FONT) so we're
 123     // called fairly often - this is why we cache this particular font
 124     bool isDefaultRequested = index == wxSYS_DEFAULT_GUI_FONT;
 125     if ( isDefaultRequested && gs_fontDefault )
 126     {
 127         return *gs_fontDefault;
 128     }
 129
 130     wxFont font;
 131
 132     HFONT hFont = (HFONT) ::GetStockObject(index);
 133     if ( hFont )
 134     {
 135         LOGFONT lf;
 136         if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 )
 137         {
 138             font = wxCreateFontFromLogFont(&lf);
 139         }
 140         else
 141         {
 142             wxFAIL_MSG( _T("failed to get LOGFONT") );
 143         }
 144     }
 145     else // GetStockObject() failed
 146     {
 147         wxFAIL_MSG( _T("stock font not found") );
 148     }
 149
 150     if ( isDefaultRequested )
 151     {
 152         // if we got here it means we hadn't cached it yet - do now
 153         gs_fontDefault = new wxFont(font);
 154     }
 155
 156     return font;
 157 }
 158
 159 // Get a system metric, e.g. scrollbar size
 160 int wxSystemSettings::GetSystemMetric(int index)
 161 {
 162     switch ( index)
 163     {
 164 #ifdef __WIN32__
 165         case wxSYS_MOUSE_BUTTONS:
 166             return ::GetSystemMetrics(SM_CMOUSEBUTTONS);
 167 #endif
 168
 169         case wxSYS_BORDER_X:
 170             return ::GetSystemMetrics(SM_CXBORDER);
 171         case wxSYS_BORDER_Y:
 172             return ::GetSystemMetrics(SM_CYBORDER);
 173         case wxSYS_CURSOR_X:
 174             return ::GetSystemMetrics(SM_CXCURSOR);
 175         case wxSYS_CURSOR_Y:
 176             return ::GetSystemMetrics(SM_CYCURSOR);
 177         case wxSYS_DCLICK_X:
 178             return ::GetSystemMetrics(SM_CXDOUBLECLK);
 179         case wxSYS_DCLICK_Y:
 180             return ::GetSystemMetrics(SM_CYDOUBLECLK);
 181 #if defined(__WIN32__) && defined(SM_CXDRAG)
 182         case wxSYS_DRAG_X:
 183             return ::GetSystemMetrics(SM_CXDRAG);
 184         case wxSYS_DRAG_Y:
 185             return ::GetSystemMetrics(SM_CYDRAG);
 186         case wxSYS_EDGE_X:
 187             return ::GetSystemMetrics(SM_CXEDGE);
 188         case wxSYS_EDGE_Y:
 189             return ::GetSystemMetrics(SM_CYEDGE);
 190 #endif
 191         case wxSYS_HSCROLL_ARROW_X:
 192             return ::GetSystemMetrics(SM_CXHSCROLL);
 193         case wxSYS_HSCROLL_ARROW_Y:
 194             return ::GetSystemMetrics(SM_CYHSCROLL);
 195         case wxSYS_HTHUMB_X:
 196             return ::GetSystemMetrics(SM_CXHTHUMB);
 197         case wxSYS_ICON_X:
 198             return ::GetSystemMetrics(SM_CXICON);
 199         case wxSYS_ICON_Y:
 200             return ::GetSystemMetrics(SM_CYICON);
 201         case wxSYS_ICONSPACING_X:
 202             return ::GetSystemMetrics(SM_CXICONSPACING);
 203         case wxSYS_ICONSPACING_Y:
 204             return ::GetSystemMetrics(SM_CYICONSPACING);
 205         case wxSYS_WINDOWMIN_X:
 206             return ::GetSystemMetrics(SM_CXMIN);
 207         case wxSYS_WINDOWMIN_Y:
 208             return ::GetSystemMetrics(SM_CYMIN);
 209         case wxSYS_SCREEN_X:
 210             return ::GetSystemMetrics(SM_CXSCREEN);
 211         case wxSYS_SCREEN_Y:
 212             return ::GetSystemMetrics(SM_CYSCREEN);
 213
 214 #if defined(__WIN32__) && defined(SM_CXSIZEFRAME)
 215         case wxSYS_FRAMESIZE_X:
 216             return ::GetSystemMetrics(SM_CXSIZEFRAME);
 217         case wxSYS_FRAMESIZE_Y:
 218             return ::GetSystemMetrics(SM_CYSIZEFRAME);
 219         case wxSYS_SMALLICON_X:
 220             return ::GetSystemMetrics(SM_CXSMICON);
 221         case wxSYS_SMALLICON_Y:
 222             return ::GetSystemMetrics(SM_CYSMICON);
 223 #endif
 224         case wxSYS_HSCROLL_Y:
 225             return ::GetSystemMetrics(SM_CYHSCROLL);
 226         case wxSYS_VSCROLL_X:
 227             return ::GetSystemMetrics(SM_CXVSCROLL);
 228         case wxSYS_VSCROLL_ARROW_X:
 229             return ::GetSystemMetrics(SM_CXVSCROLL);
 230         case wxSYS_VSCROLL_ARROW_Y:
 231             return ::GetSystemMetrics(SM_CYVSCROLL);
 232         case wxSYS_VTHUMB_Y:
 233             return ::GetSystemMetrics(SM_CYVTHUMB);
 234         case wxSYS_CAPTION_Y:
 235             return ::GetSystemMetrics(SM_CYCAPTION);
 236         case wxSYS_MENU_Y:
 237             return ::GetSystemMetrics(SM_CYMENU);
 238 #if defined(__WIN32__) && defined(SM_NETWORK)
 239         case wxSYS_NETWORK_PRESENT:
 240             return ::GetSystemMetrics(SM_NETWORK) & 0x0001;
 241 #endif
 242         case wxSYS_PENWINDOWS_PRESENT:
 243             return ::GetSystemMetrics(SM_PENWINDOWS);
 244 #if defined(__WIN32__) && defined(SM_SHOWSOUNDS)
 245         case wxSYS_SHOW_SOUNDS:
 246             return ::GetSystemMetrics(SM_SHOWSOUNDS);
 247 #endif
 248         case wxSYS_SWAP_BUTTONS:
 249             return ::GetSystemMetrics(SM_SWAPBUTTON);
 250         default:
 251             return 0;
 252     }
 253 }
 254
 255 // Option functions (arbitrary name/value mapping)
 256 void wxSystemSettings::SetOption(const wxString& name, const wxString& value)
 257 {
 258     int idx = wxSystemSettingsModule::sm_optionNames.Index(name, FALSE);
 259     if (idx == wxNOT_FOUND)
 260     {
 261         wxSystemSettingsModule::sm_optionNames.Add(name);
 262         wxSystemSettingsModule::sm_optionValues.Add(value);
 263     }
 264     else
 265     {
 266         wxSystemSettingsModule::sm_optionNames[idx] = name;
 267         wxSystemSettingsModule::sm_optionValues[idx] = value;
 268     }
 269 }
 270
 271 void wxSystemSettings::SetOption(const wxString& name, int value)
 272 {
 273     wxString valStr;
 274     valStr.Printf(wxT("%d"), value);
 275     SetOption(name, valStr);
 276 }
 277
 278 wxString wxSystemSettings::GetOption(const wxString& name)
 279 {
 280     int idx = wxSystemSettingsModule::sm_optionNames.Index(name, FALSE);
 281     if (idx == wxNOT_FOUND)
 282         return wxEmptyString;
 283     else
 284         return wxSystemSettingsModule::sm_optionValues[idx];
 285 }
 286
 287 int wxSystemSettings::GetOptionInt(const wxString& name)
 288 {
 289     return wxAtoi(GetOption(name));
 290 }
 291
 292 bool wxSystemSettings::HasOption(const wxString& name)
 293 {
 294     return (wxSystemSettingsModule::sm_optionNames.Index(name, FALSE) != wxNOT_FOUND);
 295 }
 296