src/msw/settings.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/settings.cpp
   3 // Purpose:     wxSystemSettingsNative implementation for MSW
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/utils.h"
  29     #include "wx/gdicmn.h"
  30 #endif
  31
  32 #include "wx/settings.h"
  33
  34 #include "wx/msw/private.h"
  35
  36 #ifndef SPI_GETFLATMENU
  37 #define SPI_GETFLATMENU                     0x1022
  38 #endif
  39
  40 #include "wx/module.h"
  41 #include "wx/fontutil.h"
  42
  43 #ifdef __WXWINCE__ // for SM_CXCURSOR and SM_CYCURSOR
  44 #include "wx/msw/wince/missing.h"
  45 #endif // __WXWINCE__
  46
  47 // ----------------------------------------------------------------------------
  48 // private classes
  49 // ----------------------------------------------------------------------------
  50
  51 // the module which is used to clean up wxSystemSettingsNative data (this is a
  52 // singleton class so it can't be done in the dtor)
  53 class wxSystemSettingsModule : public wxModule
  54 {
  55 public:
  56     virtual bool OnInit();
  57     virtual void OnExit();
  58
  59 private:
  60     DECLARE_DYNAMIC_CLASS(wxSystemSettingsModule)
  61 };
  62
  63 // ----------------------------------------------------------------------------
  64 // global data
  65 // ----------------------------------------------------------------------------
  66
  67 // the font returned by GetFont(wxSYS_DEFAULT_GUI_FONT): it is created when
  68 // GetFont() is called for the first time and deleted by wxSystemSettingsModule
  69 static wxFont *gs_fontDefault = NULL;
  70
  71 // ============================================================================
  72 // implementation
  73 // ============================================================================
  74
  75 // TODO: see ::SystemParametersInfo for all sorts of Windows settings.
  76 // Different args are required depending on the id. How does this differ
  77 // from GetSystemMetric, and should it? Perhaps call it GetSystemParameter
  78 // and pass an optional void* arg to get further info.
  79 // Should also have SetSystemParameter.
  80 // Also implement WM_WININICHANGE (NT) / WM_SETTINGCHANGE (Win95)
  81
  82 // ----------------------------------------------------------------------------
  83 // wxSystemSettingsModule
  84 // ----------------------------------------------------------------------------
  85
  86 IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
  87
  88 bool wxSystemSettingsModule::OnInit()
  89 {
  90     return true;
  91 }
  92
  93 void wxSystemSettingsModule::OnExit()
  94 {
  95     delete gs_fontDefault;
  96     gs_fontDefault = NULL;
  97 }
  98
  99 // ----------------------------------------------------------------------------
 100 // wxSystemSettingsNative
 101 // ----------------------------------------------------------------------------
 102
 103 // ----------------------------------------------------------------------------
 104 // colours
 105 // ----------------------------------------------------------------------------
 106
 107 wxColour wxSystemSettingsNative::GetColour(wxSystemColour index)
 108 {
 109     // we use 0 as the default value just to avoid compiler warnings, as there
 110     // is no invalid colour value we use hasCol as the real indicator of
 111     // whether colSys was initialized or not
 112     COLORREF colSys = 0;
 113     bool hasCol = false;
 114
 115     // the default colours for the entries after BTNHIGHLIGHT
 116     static const COLORREF s_defaultSysColors[] =
 117     {
 118         0x000000,   // 3DDKSHADOW
 119         0xdfdfdf,   // 3DLIGHT
 120         0x000000,   // INFOTEXT
 121         0xe1ffff,   // INFOBK
 122
 123         0,          // filler - no std colour with this index
 124
 125         // TODO: please fill in the standard values of those, I don't have them
 126         0,          // HOTLIGHT
 127         0,          // GRADIENTACTIVECAPTION
 128         0,          // GRADIENTINACTIVECAPTION
 129         0,          // MENU
 130         0,          // MENUBAR (unused)
 131     };
 132
 133     if ( index == wxSYS_COLOUR_LISTBOX )
 134     {
 135         // there is no standard colour with this index, map to another one
 136         index = wxSYS_COLOUR_WINDOW;
 137     }
 138     else if ( index > wxSYS_COLOUR_BTNHIGHLIGHT )
 139     {
 140         // the indices before BTNHIGHLIGHT are understood by GetSysColor() in
 141         // all Windows version, for the other ones we have to check
 142         bool useDefault;
 143
 144         int verMaj, verMin;
 145         wxGetOsVersion(&verMaj, &verMin);
 146         if ( verMaj < 4 )
 147         {
 148             // NT 3.5
 149             useDefault = true;
 150         }
 151         else if ( verMaj == 4 )
 152         {
 153             // Win95/NT 4.0
 154             useDefault = index > wxSYS_COLOUR_INFOBK;
 155         }
 156         else if ( verMaj == 5 && verMin == 0 )
 157         {
 158             // Win98/Win2K
 159             useDefault = index > wxSYS_COLOUR_GRADIENTINACTIVECAPTION;
 160         }
 161         else // >= 5.1
 162         {
 163             // 5.1 is Windows XP
 164             useDefault = false;
 165             // Determine if we are using flat menus, only then allow wxSYS_COLOUR_MENUBAR
 166             if ( index == wxSYS_COLOUR_MENUBAR )
 167             {
 168                 BOOL isFlat ;
 169                 if ( SystemParametersInfo( SPI_GETFLATMENU , 0 ,&isFlat, 0 ) )
 170                 {
 171                     if ( !isFlat )
 172                         index = wxSYS_COLOUR_MENU ;
 173                 }
 174             }
 175        }
 176
 177         if ( useDefault )
 178         {
 179             // special handling for MENUBAR colour: we use this in wxToolBar
 180             // and wxStatusBar to have correct bg colour under Windows XP
 181             // (which uses COLOR_MENUBAR for them) but they should still look
 182             // correctly under previous Windows versions as well
 183             if ( index == wxSYS_COLOUR_MENUBAR )
 184             {
 185                 index = wxSYS_COLOUR_3DFACE;
 186             }
 187             else // replace with default colour
 188             {
 189                 unsigned int n = index - wxSYS_COLOUR_BTNHIGHLIGHT;
 190
 191                 wxASSERT_MSG( n < WXSIZEOF(s_defaultSysColors),
 192                               _T("forgot tp update the default colours array") );
 193
 194                 colSys = s_defaultSysColors[n];
 195                 hasCol = true;
 196             }
 197         }
 198     }
 199
 200     if ( !hasCol )
 201     {
 202 #ifdef __WXWINCE__
 203         colSys = ::GetSysColor(index|SYS_COLOR_INDEX_FLAG);
 204 #else
 205         colSys = ::GetSysColor(index);
 206 #endif
 207     }
 208
 209     return wxRGBToColour(colSys);
 210 }
 211
 212 // ----------------------------------------------------------------------------
 213 // fonts
 214 // ----------------------------------------------------------------------------
 215
 216 wxFont wxCreateFontFromStockObject(int index)
 217 {
 218     wxFont font;
 219
 220     HFONT hFont = (HFONT) ::GetStockObject(index);
 221     if ( hFont )
 222     {
 223         LOGFONT lf;
 224         if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 )
 225         {
 226             wxNativeFontInfo info;
 227             info.lf = lf;
 228 #ifndef __WXWINCE__
 229             // We want Windows 2000 or later to have new fonts even MS Shell Dlg
 230             // is returned as default GUI font for compatibility
 231             int verMaj;
 232             if(index == DEFAULT_GUI_FONT && wxGetOsVersion(&verMaj) == wxWINDOWS_NT && verMaj >= 5)
 233                 wxStrcpy(info.lf.lfFaceName, wxT("MS Shell Dlg 2"));
 234 #endif
 235             // Under MicroWindows we pass the HFONT as well
 236             // because it's hard to convert HFONT -> LOGFONT -> HFONT
 237             // It's OK to delete stock objects, the delete will be ignored.
 238 #ifdef __WXMICROWIN__
 239             font.Create(info, (WXHFONT) hFont);
 240 #else
 241             font.Create(info);
 242 #endif
 243         }
 244         else
 245         {
 246             wxFAIL_MSG( _T("failed to get LOGFONT") );
 247         }
 248     }
 249     else // GetStockObject() failed
 250     {
 251         wxFAIL_MSG( _T("stock font not found") );
 252     }
 253
 254     return font;
 255 }
 256
 257 wxFont wxSystemSettingsNative::GetFont(wxSystemFont index)
 258 {
 259 #ifdef __WXWINCE__
 260     // under CE only a single SYSTEM_FONT exists
 261     index;
 262
 263     if ( !gs_fontDefault )
 264     {
 265         gs_fontDefault = new wxFont(wxCreateFontFromStockObject(SYSTEM_FONT));
 266     }
 267
 268     return *gs_fontDefault;
 269 #else // !__WXWINCE__
 270     // wxWindow ctor calls GetFont(wxSYS_DEFAULT_GUI_FONT) so we're
 271     // called fairly often -- this is why we cache this particular font
 272     const bool isDefaultRequested = index == wxSYS_DEFAULT_GUI_FONT;
 273     if ( isDefaultRequested )
 274     {
 275         if ( gs_fontDefault )
 276             return *gs_fontDefault;
 277     }
 278
 279     wxFont font = wxCreateFontFromStockObject(index);
 280
 281     if ( isDefaultRequested )
 282     {
 283         // if we got here it means we hadn't cached it yet - do now
 284         gs_fontDefault = new wxFont(font);
 285     }
 286
 287     return font;
 288 #endif // __WXWINCE__/!__WXWINCE__
 289 }
 290
 291 // ----------------------------------------------------------------------------
 292 // system metrics/features
 293 // ----------------------------------------------------------------------------
 294
 295 // TODO: some of the "metrics" clearly should be features now that we have
 296 //       HasFeature()!
 297
 298 // the conversion table from wxSystemMetric enum to GetSystemMetrics() param
 299 //
 300 // if the constant is not defined, put -1 in the table to indicate that it is
 301 // unknown
 302 static const int gs_metricsMap[] =
 303 {
 304     -1,  // wxSystemMetric enums start at 1, so give a dummy value for pos 0.
 305 #if defined(__WIN32__) && !defined(__WXWINCE__)
 306     SM_CMOUSEBUTTONS,
 307 #else
 308     -1,
 309 #endif
 310
 311     SM_CXBORDER,
 312     SM_CYBORDER,
 313     SM_CXCURSOR,
 314     SM_CYCURSOR,
 315     SM_CXDOUBLECLK,
 316     SM_CYDOUBLECLK,
 317 #if defined(__WIN32__) && defined(SM_CXDRAG)
 318     SM_CXDRAG,
 319     SM_CYDRAG,
 320     SM_CXEDGE,
 321     SM_CYEDGE,
 322 #else
 323     -1, -1, -1, -1,
 324 #endif
 325     SM_CXHSCROLL,
 326     SM_CYHSCROLL,
 327 #ifdef SM_CXHTHUMB
 328     SM_CXHTHUMB,
 329 #else
 330     -1,
 331 #endif
 332     SM_CXICON,
 333     SM_CYICON,
 334     SM_CXICONSPACING,
 335     SM_CYICONSPACING,
 336 #ifdef SM_CXHTHUMB
 337     SM_CXMIN,
 338     SM_CYMIN,
 339 #else
 340     -1, -1,
 341 #endif
 342     SM_CXSCREEN,
 343     SM_CYSCREEN,
 344
 345 #if defined(__WIN32__) && defined(SM_CXSIZEFRAME)
 346     SM_CXSIZEFRAME,
 347     SM_CYSIZEFRAME,
 348     SM_CXSMICON,
 349     SM_CYSMICON,
 350 #else
 351     -1, -1, -1, -1,
 352 #endif
 353     SM_CYHSCROLL,
 354     SM_CXVSCROLL,
 355     SM_CXVSCROLL,
 356     SM_CYVSCROLL,
 357 #ifdef SM_CYVTHUMB
 358     SM_CYVTHUMB,
 359 #else
 360     -1,
 361 #endif
 362     SM_CYCAPTION,
 363     SM_CYMENU,
 364 #if defined(__WIN32__) && defined(SM_NETWORK)
 365     SM_NETWORK,
 366 #else
 367     -1,
 368 #endif
 369 #ifdef SM_PENWINDOWS
 370     SM_PENWINDOWS,
 371 #else
 372     -1,
 373 #endif
 374 #if defined(__WIN32__) && defined(SM_SHOWSOUNDS)
 375     SM_SHOWSOUNDS,
 376 #else
 377     -1,
 378 #endif
 379 #ifdef SM_SWAPBUTTON
 380     SM_SWAPBUTTON,
 381 #else
 382     -1
 383 #endif
 384 };
 385
 386 // Get a system metric, e.g. scrollbar size
 387 int wxSystemSettingsNative::GetMetric(wxSystemMetric index, wxWindow* WXUNUSED(win))
 388 {
 389 #ifdef __WXMICROWIN__
 390     // TODO: probably use wxUniv themes functionality
 391     return 0;
 392 #else // !__WXMICROWIN__
 393     wxCHECK_MSG( index > 0 && (size_t)index < WXSIZEOF(gs_metricsMap), 0,
 394                  _T("invalid metric") );
 395
 396     int indexMSW = gs_metricsMap[index];
 397     if ( indexMSW == -1 )
 398     {
 399         // not supported under current system
 400         return -1;
 401     }
 402
 403     int rc = ::GetSystemMetrics(indexMSW);
 404     if ( index == wxSYS_NETWORK_PRESENT )
 405     {
 406         // only the last bit is significant according to the MSDN
 407         rc &= 1;
 408     }
 409
 410     return rc;
 411 #endif // __WXMICROWIN__/!__WXMICROWIN__
 412 }
 413
 414 bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
 415 {
 416     switch ( index )
 417     {
 418         case wxSYS_CAN_ICONIZE_FRAME:
 419         case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
 420             return true;
 421
 422         default:
 423             wxFAIL_MSG( _T("unknown system feature") );
 424
 425             return false;
 426     }
 427 }
 428
 429 // ----------------------------------------------------------------------------
 430 // function from wx/msw/wrapcctl.h: there is really no other place for it...
 431 // ----------------------------------------------------------------------------
 432
 433 #if wxUSE_LISTCTRL || wxUSE_TREECTRL
 434
 435 extern wxFont wxGetCCDefaultFont()
 436 {
 437 #ifndef __WXWINCE__
 438     // under the systems enumerated below (anything released after Win98), the
 439     // default font used for the common controls seems to be the desktop font
 440     // which is also used for the icon titles and not the stock default GUI
 441     // font
 442     bool useIconFont;
 443     int verMaj, verMin;
 444     switch ( wxGetOsVersion(&verMaj, &verMin) )
 445     {
 446         case wxWIN95:
 447             // 4.10 is Win98
 448             useIconFont = verMaj == 4 && verMin >= 10;
 449             break;
 450
 451         case wxWINDOWS_NT:
 452             // 5.0 is Win2k
 453             useIconFont = verMaj >= 5;
 454             break;
 455
 456         default:
 457             useIconFont = false;
 458     }
 459
 460     if ( useIconFont )
 461     {
 462         LOGFONT lf;
 463         if ( ::SystemParametersInfo
 464                (
 465                     SPI_GETICONTITLELOGFONT,
 466                     sizeof(lf),
 467                     &lf,
 468                     0
 469                ) )
 470         {
 471             return wxFont(wxCreateFontFromLogFont(&lf));
 472         }
 473         else
 474         {
 475             wxLogLastError(_T("SystemParametersInfo(SPI_GETICONTITLELOGFONT"));
 476         }
 477     }
 478 #endif // __WXWINCE__
 479
 480     // fall back to the default font for the normal controls
 481     return wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 482 }
 483
 484 #endif // wxUSE_LISTCTRL || wxUSE_TREECTRL