| 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 and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 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 | // ---------------------------------------------------------------------------- |
| 44 | // private classes |
| 45 | // ---------------------------------------------------------------------------- |
| 46 | |
| 47 | // the module which is used to clean up wxSystemSettingsNative 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 | // the font returned by GetFont(wxSYS_DEFAULT_GUI_FONT): it is created when |
| 64 | // GetFont() is called for the first time and deleted by wxSystemSettingsModule |
| 65 | static wxFont *gs_fontDefault = NULL; |
| 66 | |
| 67 | // ============================================================================ |
| 68 | // implementation |
| 69 | // ============================================================================ |
| 70 | |
| 71 | // TODO: see ::SystemParametersInfo for all sorts of Windows settings. |
| 72 | // Different args are required depending on the id. How does this differ |
| 73 | // from GetSystemMetric, and should it? Perhaps call it GetSystemParameter |
| 74 | // and pass an optional void* arg to get further info. |
| 75 | // Should also have SetSystemParameter. |
| 76 | // Also implement WM_WININICHANGE (NT) / WM_SETTINGCHANGE (Win95) |
| 77 | |
| 78 | // ---------------------------------------------------------------------------- |
| 79 | // wxSystemSettingsModule |
| 80 | // ---------------------------------------------------------------------------- |
| 81 | |
| 82 | IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule) |
| 83 | |
| 84 | bool wxSystemSettingsModule::OnInit() |
| 85 | { |
| 86 | return TRUE; |
| 87 | } |
| 88 | |
| 89 | void wxSystemSettingsModule::OnExit() |
| 90 | { |
| 91 | delete gs_fontDefault; |
| 92 | gs_fontDefault = NULL; |
| 93 | } |
| 94 | |
| 95 | // ---------------------------------------------------------------------------- |
| 96 | // wxSystemSettingsNative |
| 97 | // ---------------------------------------------------------------------------- |
| 98 | |
| 99 | // ---------------------------------------------------------------------------- |
| 100 | // colours |
| 101 | // ---------------------------------------------------------------------------- |
| 102 | |
| 103 | wxColour wxSystemSettingsNative::GetColour(wxSystemColour index) |
| 104 | { |
| 105 | // we use 0 as the default value just to avoid compiler warnings, as there |
| 106 | // is no invalid colour value we use hasCol as the real indicator of |
| 107 | // whether colSys was initialized or not |
| 108 | COLORREF colSys = 0; |
| 109 | bool hasCol = FALSE; |
| 110 | |
| 111 | // the default colours for the entries after BTNHIGHLIGHT |
| 112 | static const COLORREF s_defaultSysColors[] = |
| 113 | { |
| 114 | 0x000000, // 3DDKSHADOW |
| 115 | 0xdfdfdf, // 3DLIGHT |
| 116 | 0x000000, // INFOTEXT |
| 117 | 0xe1ffff, // INFOBK |
| 118 | |
| 119 | 0, // filler - no std colour with this index |
| 120 | |
| 121 | // TODO: please fill in the standard values of those, I don't have them |
| 122 | 0, // HOTLIGHT |
| 123 | 0, // GRADIENTACTIVECAPTION |
| 124 | 0, // GRADIENTINACTIVECAPTION |
| 125 | 0, // MENU |
| 126 | 0, // MENUBAR (unused) |
| 127 | }; |
| 128 | |
| 129 | if ( index == wxSYS_COLOUR_LISTBOX ) |
| 130 | { |
| 131 | // there is no standard colour with this index, map to another one |
| 132 | index = wxSYS_COLOUR_WINDOW; |
| 133 | } |
| 134 | else if ( index > wxSYS_COLOUR_BTNHIGHLIGHT ) |
| 135 | { |
| 136 | // the indices before BTNHIGHLIGHT are understood by GetSysColor() in |
| 137 | // all Windows version, for the other ones we have to check |
| 138 | bool useDefault; |
| 139 | |
| 140 | // none of the is supported under Win16 anyhow |
| 141 | #ifdef __WIN32__ |
| 142 | int verMaj, verMin; |
| 143 | wxGetOsVersion(&verMaj, &verMin); |
| 144 | if ( verMaj < 4 ) |
| 145 | { |
| 146 | // NT 3.5 |
| 147 | useDefault = TRUE; |
| 148 | } |
| 149 | else if ( verMaj == 4 ) |
| 150 | { |
| 151 | // Win95/NT 4.0 |
| 152 | useDefault = index > wxSYS_COLOUR_INFOBK; |
| 153 | } |
| 154 | else if ( verMaj == 5 && verMin == 0 ) |
| 155 | { |
| 156 | // Win98/Win2K |
| 157 | useDefault = index > wxSYS_COLOUR_GRADIENTINACTIVECAPTION; |
| 158 | } |
| 159 | else // >= 5.1 |
| 160 | { |
| 161 | // 5.1 is Windows XP |
| 162 | useDefault = FALSE; |
| 163 | // Determine if we are using flat menus, only then allow wxSYS_COLOUR_MENUBAR |
| 164 | if ( index == wxSYS_COLOUR_MENUBAR ) |
| 165 | { |
| 166 | BOOL isFlat ; |
| 167 | if ( SystemParametersInfo( SPI_GETFLATMENU , 0 ,&isFlat, 0 ) ) |
| 168 | { |
| 169 | if ( !isFlat ) |
| 170 | index = wxSYS_COLOUR_MENU ; |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | #else |
| 175 | useDefault = TRUE; |
| 176 | #endif // __WIN32__ |
| 177 | |
| 178 | if ( useDefault ) |
| 179 | { |
| 180 | // special handling for MENUBAR colour: we use this in wxToolBar |
| 181 | // and wxStatusBar to have correct bg colour under Windows XP |
| 182 | // (which uses COLOR_MENUBAR for them) but they should still look |
| 183 | // correctly under previous Windows versions as well |
| 184 | if ( index == wxSYS_COLOUR_MENUBAR ) |
| 185 | { |
| 186 | index = wxSYS_COLOUR_3DFACE; |
| 187 | } |
| 188 | else // replace with default colour |
| 189 | { |
| 190 | unsigned int n = index - wxSYS_COLOUR_BTNHIGHLIGHT; |
| 191 | |
| 192 | wxASSERT_MSG( n < WXSIZEOF(s_defaultSysColors), |
| 193 | _T("forgot tp update the default colours array") ); |
| 194 | |
| 195 | colSys = s_defaultSysColors[n]; |
| 196 | hasCol = TRUE; |
| 197 | } |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | if ( !hasCol ) |
| 202 | { |
| 203 | colSys = ::GetSysColor(index); |
| 204 | } |
| 205 | |
| 206 | return wxRGBToColour(colSys); |
| 207 | } |
| 208 | |
| 209 | // ---------------------------------------------------------------------------- |
| 210 | // fonts |
| 211 | // ---------------------------------------------------------------------------- |
| 212 | |
| 213 | wxFont wxCreateFontFromStockObject(int index) |
| 214 | { |
| 215 | wxFont font; |
| 216 | |
| 217 | HFONT hFont = (HFONT) ::GetStockObject(index); |
| 218 | if ( hFont ) |
| 219 | { |
| 220 | LOGFONT lf; |
| 221 | if ( ::GetObject(hFont, sizeof(LOGFONT), &lf) != 0 ) |
| 222 | { |
| 223 | wxNativeFontInfo info; |
| 224 | info.lf = lf; |
| 225 | // Under MicroWindows we pass the HFONT as well |
| 226 | // because it's hard to convert HFONT -> LOGFONT -> HFONT |
| 227 | // It's OK to delete stock objects, the delete will be ignored. |
| 228 | #ifdef __WXMICROWIN__ |
| 229 | font.Create(info, (WXHFONT) hFont); |
| 230 | #else |
| 231 | font.Create(info); |
| 232 | #endif |
| 233 | } |
| 234 | else |
| 235 | { |
| 236 | wxFAIL_MSG( _T("failed to get LOGFONT") ); |
| 237 | } |
| 238 | } |
| 239 | else // GetStockObject() failed |
| 240 | { |
| 241 | wxFAIL_MSG( _T("stock font not found") ); |
| 242 | } |
| 243 | |
| 244 | return font; |
| 245 | } |
| 246 | |
| 247 | wxFont wxSystemSettingsNative::GetFont(wxSystemFont index) |
| 248 | { |
| 249 | // wxWindow ctor calls GetSystemFont(wxSYS_DEFAULT_GUI_FONT) so we're |
| 250 | // called fairly often - this is why we cache this particular font |
| 251 | bool isDefaultRequested = index == wxSYS_DEFAULT_GUI_FONT; |
| 252 | if ( isDefaultRequested && gs_fontDefault ) |
| 253 | { |
| 254 | return *gs_fontDefault; |
| 255 | } |
| 256 | |
| 257 | wxFont font = wxCreateFontFromStockObject(index); |
| 258 | |
| 259 | if ( isDefaultRequested ) |
| 260 | { |
| 261 | // if we got here it means we hadn't cached it yet - do now |
| 262 | gs_fontDefault = new wxFont(font); |
| 263 | } |
| 264 | |
| 265 | return font; |
| 266 | } |
| 267 | |
| 268 | // ---------------------------------------------------------------------------- |
| 269 | // system metrics/features |
| 270 | // ---------------------------------------------------------------------------- |
| 271 | |
| 272 | // TODO: some of the "metrics" clearly should be features now that we have |
| 273 | // HasFeature()! |
| 274 | |
| 275 | // the conversion table from wxSystemMetric enum to GetSystemMetrics() param |
| 276 | // |
| 277 | // if the constant is not defined, put -1 in the table to indicate that it is |
| 278 | // unknown |
| 279 | static const int gs_metricsMap[] = |
| 280 | { |
| 281 | -1, // wxSystemMetric enums start at 1, so give a dummy value for pos 0. |
| 282 | #ifdef __WIN32__ |
| 283 | SM_CMOUSEBUTTONS, |
| 284 | #else |
| 285 | -1, |
| 286 | #endif |
| 287 | |
| 288 | SM_CXBORDER, |
| 289 | SM_CYBORDER, |
| 290 | SM_CXCURSOR, |
| 291 | SM_CYCURSOR, |
| 292 | SM_CXDOUBLECLK, |
| 293 | SM_CYDOUBLECLK, |
| 294 | #if defined(__WIN32__) && defined(SM_CXDRAG) |
| 295 | SM_CXDRAG, |
| 296 | SM_CYDRAG, |
| 297 | SM_CXEDGE, |
| 298 | SM_CYEDGE, |
| 299 | #else |
| 300 | -1, -1, -1, -1 |
| 301 | #endif |
| 302 | SM_CXHSCROLL, |
| 303 | SM_CYHSCROLL, |
| 304 | SM_CXHTHUMB, |
| 305 | SM_CXICON, |
| 306 | SM_CYICON, |
| 307 | SM_CXICONSPACING, |
| 308 | SM_CYICONSPACING, |
| 309 | SM_CXMIN, |
| 310 | SM_CYMIN, |
| 311 | SM_CXSCREEN, |
| 312 | SM_CYSCREEN, |
| 313 | |
| 314 | #if defined(__WIN32__) && defined(SM_CXSIZEFRAME) |
| 315 | SM_CXSIZEFRAME, |
| 316 | SM_CYSIZEFRAME, |
| 317 | SM_CXSMICON, |
| 318 | SM_CYSMICON, |
| 319 | #else |
| 320 | -1, -1, -1, -1 |
| 321 | #endif |
| 322 | SM_CYHSCROLL, |
| 323 | SM_CXVSCROLL, |
| 324 | SM_CXVSCROLL, |
| 325 | SM_CYVSCROLL, |
| 326 | SM_CYVTHUMB, |
| 327 | SM_CYCAPTION, |
| 328 | SM_CYMENU, |
| 329 | #if defined(__WIN32__) && defined(SM_NETWORK) |
| 330 | SM_NETWORK, |
| 331 | #else |
| 332 | -1, |
| 333 | #endif |
| 334 | SM_PENWINDOWS, |
| 335 | #if defined(__WIN32__) && defined(SM_SHOWSOUNDS) |
| 336 | SM_SHOWSOUNDS, |
| 337 | #else |
| 338 | -1, |
| 339 | #endif |
| 340 | SM_SWAPBUTTON, |
| 341 | }; |
| 342 | |
| 343 | // Get a system metric, e.g. scrollbar size |
| 344 | int wxSystemSettingsNative::GetMetric(wxSystemMetric index) |
| 345 | { |
| 346 | #ifdef __WXMICROWIN__ |
| 347 | // TODO: probably use wxUniv themes functionality |
| 348 | return 0; |
| 349 | #else // !__WXMICROWIN__ |
| 350 | wxCHECK_MSG( index > 0 && (size_t)index < WXSIZEOF(gs_metricsMap), 0, |
| 351 | _T("invalid metric") ); |
| 352 | |
| 353 | int indexMSW = gs_metricsMap[index]; |
| 354 | if ( indexMSW == -1 ) |
| 355 | { |
| 356 | // not supported under current system |
| 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | int rc = ::GetSystemMetrics(indexMSW); |
| 361 | if ( index == wxSYS_NETWORK_PRESENT ) |
| 362 | { |
| 363 | // only the last bit is significant according to the MSDN |
| 364 | rc &= 1; |
| 365 | } |
| 366 | |
| 367 | return rc; |
| 368 | #endif // __WXMICROWIN__/!__WXMICROWIN__ |
| 369 | } |
| 370 | |
| 371 | bool wxSystemSettingsNative::HasFeature(wxSystemFeature index) |
| 372 | { |
| 373 | switch ( index ) |
| 374 | { |
| 375 | case wxSYS_CAN_ICONIZE_FRAME: |
| 376 | case wxSYS_CAN_DRAW_FRAME_DECORATIONS: |
| 377 | return TRUE; |
| 378 | |
| 379 | default: |
| 380 | wxFAIL_MSG( _T("unknown system feature") ); |
| 381 | |
| 382 | return FALSE; |
| 383 | } |
| 384 | } |