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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)
53class wxSystemSettingsModule : public wxModule
54{
55public:
56 virtual bool OnInit();
57 virtual void OnExit();
58
59private:
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
69static 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
86IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
87
88bool wxSystemSettingsModule::OnInit()
89{
90 return true;
91}
92
93void wxSystemSettingsModule::OnExit()
94{
95 delete gs_fontDefault;
96 gs_fontDefault = NULL;
97}
98
99// ----------------------------------------------------------------------------
100// wxSystemSettingsNative
101// ----------------------------------------------------------------------------
102
103// ----------------------------------------------------------------------------
104// colours
105// ----------------------------------------------------------------------------
106
107wxColour 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
216wxFont 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 // Under MicroWindows we pass the HFONT as well
229 // because it's hard to convert HFONT -> LOGFONT -> HFONT
230 // It's OK to delete stock objects, the delete will be ignored.
231#ifdef __WXMICROWIN__
232 font.Create(info, (WXHFONT) hFont);
233#else
234 font.Create(info);
235#endif
236 }
237 else
238 {
239 wxFAIL_MSG( _T("failed to get LOGFONT") );
240 }
241 }
242 else // GetStockObject() failed
243 {
244 wxFAIL_MSG( _T("stock font not found") );
245 }
246
247 return font;
248}
249
250wxFont wxSystemSettingsNative::GetFont(wxSystemFont index)
251{
252#ifdef __WXWINCE__
253 // under CE only a single SYSTEM_FONT exists
254 index;
255
256 if ( !gs_fontDefault )
257 {
258 gs_fontDefault = new wxFont(wxCreateFontFromStockObject(SYSTEM_FONT));
259 }
260
261 return *gs_fontDefault;
262#else // !__WXWINCE__
263 // wxWindow ctor calls GetSystemFont(wxSYS_DEFAULT_GUI_FONT) so we're
264 // called fairly often -- this is why we cache this particular font
265 const bool isDefaultRequested = index == wxSYS_DEFAULT_GUI_FONT;
266 if ( isDefaultRequested )
267 {
268 if ( gs_fontDefault )
269 return *gs_fontDefault;
270 }
271
272 wxFont font = wxCreateFontFromStockObject(index);
273
274 if ( isDefaultRequested )
275 {
276 // if we got here it means we hadn't cached it yet - do now
277 gs_fontDefault = new wxFont(font);
278 }
279
280 return font;
281#endif // __WXWINCE__/!__WXWINCE__
282}
283
284// ----------------------------------------------------------------------------
285// system metrics/features
286// ----------------------------------------------------------------------------
287
288// TODO: some of the "metrics" clearly should be features now that we have
289// HasFeature()!
290
291// the conversion table from wxSystemMetric enum to GetSystemMetrics() param
292//
293// if the constant is not defined, put -1 in the table to indicate that it is
294// unknown
295static const int gs_metricsMap[] =
296{
297 -1, // wxSystemMetric enums start at 1, so give a dummy value for pos 0.
298#if defined(__WIN32__) && !defined(__WXWINCE__)
299 SM_CMOUSEBUTTONS,
300#else
301 -1,
302#endif
303
304 SM_CXBORDER,
305 SM_CYBORDER,
306 SM_CXCURSOR,
307 SM_CYCURSOR,
308 SM_CXDOUBLECLK,
309 SM_CYDOUBLECLK,
310#if defined(__WIN32__) && defined(SM_CXDRAG)
311 SM_CXDRAG,
312 SM_CYDRAG,
313 SM_CXEDGE,
314 SM_CYEDGE,
315#else
316 -1, -1, -1, -1,
317#endif
318 SM_CXHSCROLL,
319 SM_CYHSCROLL,
320#ifdef SM_CXHTHUMB
321 SM_CXHTHUMB,
322#else
323 -1,
324#endif
325 SM_CXICON,
326 SM_CYICON,
327 SM_CXICONSPACING,
328 SM_CYICONSPACING,
329#ifdef SM_CXHTHUMB
330 SM_CXMIN,
331 SM_CYMIN,
332#else
333 -1, -1,
334#endif
335 SM_CXSCREEN,
336 SM_CYSCREEN,
337
338#if defined(__WIN32__) && defined(SM_CXSIZEFRAME)
339 SM_CXSIZEFRAME,
340 SM_CYSIZEFRAME,
341 SM_CXSMICON,
342 SM_CYSMICON,
343#else
344 -1, -1, -1, -1,
345#endif
346 SM_CYHSCROLL,
347 SM_CXVSCROLL,
348 SM_CXVSCROLL,
349 SM_CYVSCROLL,
350#ifdef SM_CYVTHUMB
351 SM_CYVTHUMB,
352#else
353 -1,
354#endif
355 SM_CYCAPTION,
356 SM_CYMENU,
357#if defined(__WIN32__) && defined(SM_NETWORK)
358 SM_NETWORK,
359#else
360 -1,
361#endif
362#ifdef SM_PENWINDOWS
363 SM_PENWINDOWS,
364#else
365 -1,
366#endif
367#if defined(__WIN32__) && defined(SM_SHOWSOUNDS)
368 SM_SHOWSOUNDS,
369#else
370 -1,
371#endif
372#ifdef SM_SWAPBUTTON
373 SM_SWAPBUTTON,
374#else
375 -1
376#endif
377};
378
379// Get a system metric, e.g. scrollbar size
380int wxSystemSettingsNative::GetMetric(wxSystemMetric index)
381{
382#ifdef __WXMICROWIN__
383 // TODO: probably use wxUniv themes functionality
384 return 0;
385#else // !__WXMICROWIN__
386 wxCHECK_MSG( index > 0 && (size_t)index < WXSIZEOF(gs_metricsMap), 0,
387 _T("invalid metric") );
388
389 int indexMSW = gs_metricsMap[index];
390 if ( indexMSW == -1 )
391 {
392 // not supported under current system
393 return -1;
394 }
395
396 int rc = ::GetSystemMetrics(indexMSW);
397 if ( index == wxSYS_NETWORK_PRESENT )
398 {
399 // only the last bit is significant according to the MSDN
400 rc &= 1;
401 }
402
403 return rc;
404#endif // __WXMICROWIN__/!__WXMICROWIN__
405}
406
407bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
408{
409 switch ( index )
410 {
411 case wxSYS_CAN_ICONIZE_FRAME:
412 case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
413 return true;
414
415 default:
416 wxFAIL_MSG( _T("unknown system feature") );
417
418 return false;
419 }
420}
421
422// ----------------------------------------------------------------------------
423// function from wx/msw/wrapcctl.h: there is really no other place for it...
424// ----------------------------------------------------------------------------
425
426#if wxUSE_LISTCTRL || wxUSE_TREECTRL
427
428extern wxFont wxGetCCDefaultFont()
429{
430#ifndef __WXWINCE__
431 // under the systems enumerated below (anything released after Win98), the
432 // default font used for the common controls seems to be the desktop font
433 // which is also used for the icon titles and not the stock default GUI
434 // font
435 bool useIconFont;
436 int verMaj, verMin;
437 switch ( wxGetOsVersion(&verMaj, &verMin) )
438 {
439 case wxWIN95:
440 // 4.10 is Win98
441 useIconFont = verMin == 4 && verMin >= 10;
442 break;
443
444 case wxWINDOWS_NT:
445 // 5.0 is Win2k
446 useIconFont = verMaj >= 5;
447 break;
448
449 default:
450 useIconFont = false;
451 }
452
453 if ( useIconFont )
454 {
455 LOGFONT lf;
456 if ( ::SystemParametersInfo
457 (
458 SPI_GETICONTITLELOGFONT,
459 sizeof(lf),
460 &lf,
461 0
462 ) )
463 {
464 return wxFont(wxCreateFontFromLogFont(&lf));
465 }
466 else
467 {
468 wxLogLastError(_T("SystemParametersInfo(SPI_GETICONTITLELOGFONT"));
469 }
470 }
471#endif // __WXWINCE__
472
473 // fall back to the default font for the normal controls
474 return wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
475}
476
477#endif // wxUSE_LISTCTRL || wxUSE_TREECTRL