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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: msw/control.cpp | |
3 | // Purpose: wxControl class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
21 | #pragma implementation "control.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 | #if wxUSE_CONTROLS | |
32 | ||
33 | #ifndef WX_PRECOMP | |
34 | #include "wx/event.h" | |
35 | #include "wx/app.h" | |
36 | #include "wx/dcclient.h" | |
37 | #include "wx/log.h" | |
38 | #include "wx/settings.h" | |
39 | #endif | |
40 | ||
41 | #include "wx/control.h" | |
42 | ||
43 | #if wxUSE_NOTEBOOK | |
44 | #include "wx/notebook.h" | |
45 | #endif // wxUSE_NOTEBOOK | |
46 | ||
47 | #include "wx/msw/private.h" | |
48 | #include "wx/msw/uxtheme.h" | |
49 | ||
50 | #if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) | |
51 | #include <commctrl.h> | |
52 | #endif | |
53 | ||
54 | // ---------------------------------------------------------------------------- | |
55 | // wxWin macros | |
56 | // ---------------------------------------------------------------------------- | |
57 | ||
58 | IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow) | |
59 | ||
60 | // ============================================================================ | |
61 | // wxControl implementation | |
62 | // ============================================================================ | |
63 | ||
64 | // ---------------------------------------------------------------------------- | |
65 | // wxControl ctor/dtor | |
66 | // ---------------------------------------------------------------------------- | |
67 | ||
68 | wxControl::~wxControl() | |
69 | { | |
70 | m_isBeingDeleted = true; | |
71 | } | |
72 | ||
73 | // ---------------------------------------------------------------------------- | |
74 | // control window creation | |
75 | // ---------------------------------------------------------------------------- | |
76 | ||
77 | bool wxControl::Create(wxWindow *parent, | |
78 | wxWindowID id, | |
79 | const wxPoint& pos, | |
80 | const wxSize& size, | |
81 | long style, | |
82 | const wxValidator& wxVALIDATOR_PARAM(validator), | |
83 | const wxString& name) | |
84 | { | |
85 | if ( !wxWindow::Create(parent, id, pos, size, style, name) ) | |
86 | return false; | |
87 | ||
88 | #if wxUSE_VALIDATORS | |
89 | SetValidator(validator); | |
90 | #endif | |
91 | ||
92 | return true; | |
93 | } | |
94 | ||
95 | bool wxControl::MSWCreateControl(const wxChar *classname, | |
96 | const wxString& label, | |
97 | const wxPoint& pos, | |
98 | const wxSize& size) | |
99 | { | |
100 | WXDWORD exstyle; | |
101 | WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), &exstyle); | |
102 | ||
103 | return MSWCreateControl(classname, msStyle, pos, size, label, exstyle); | |
104 | } | |
105 | ||
106 | bool wxControl::MSWCreateControl(const wxChar *classname, | |
107 | WXDWORD style, | |
108 | const wxPoint& pos, | |
109 | const wxSize& size, | |
110 | const wxString& label, | |
111 | WXDWORD exstyle) | |
112 | { | |
113 | // if no extended style given, determine it ourselves | |
114 | if ( exstyle == (WXDWORD)-1 ) | |
115 | { | |
116 | exstyle = 0; | |
117 | (void) MSWGetStyle(GetWindowStyle(), &exstyle); | |
118 | } | |
119 | ||
120 | // all controls should have this style | |
121 | style |= WS_CHILD; | |
122 | ||
123 | // create the control visible if it's currently shown for wxWidgets | |
124 | if ( m_isShown ) | |
125 | { | |
126 | style |= WS_VISIBLE; | |
127 | } | |
128 | ||
129 | // choose the position for the control: we have a problem with default size | |
130 | // here as we can't calculate the best size before the control exists | |
131 | // (DoGetBestSize() may need to use m_hWnd), so just choose the minimal | |
132 | // possible but non 0 size because 0 window width/height result in problems | |
133 | // elsewhere | |
134 | int x = pos.x == wxDefaultCoord ? 0 : pos.x, | |
135 | y = pos.y == wxDefaultCoord ? 0 : pos.y, | |
136 | w = size.x == wxDefaultCoord ? 1 : size.x, | |
137 | h = size.y == wxDefaultCoord ? 1 : size.y; | |
138 | ||
139 | // ... and adjust it to account for a possible parent frames toolbar | |
140 | AdjustForParentClientOrigin(x, y); | |
141 | ||
142 | m_hWnd = (WXHWND)::CreateWindowEx | |
143 | ( | |
144 | exstyle, // extended style | |
145 | classname, // the kind of control to create | |
146 | label, // the window name | |
147 | style, // the window style | |
148 | x, y, w, h, // the window position and size | |
149 | GetHwndOf(GetParent()), // parent | |
150 | (HMENU)GetId(), // child id | |
151 | wxGetInstance(), // app instance | |
152 | NULL // creation parameters | |
153 | ); | |
154 | ||
155 | if ( !m_hWnd ) | |
156 | { | |
157 | #ifdef __WXDEBUG__ | |
158 | wxFAIL_MSG(wxString::Format | |
159 | ( | |
160 | _T("CreateWindowEx(\"%s\", flags=%08x, ex=%08x) failed"), | |
161 | classname, (unsigned int)style, (unsigned int)exstyle | |
162 | )); | |
163 | #endif // __WXDEBUG__ | |
164 | ||
165 | return false; | |
166 | } | |
167 | ||
168 | // install wxWidgets window proc for this window | |
169 | SubclassWin(m_hWnd); | |
170 | ||
171 | // set up fonts and colours | |
172 | InheritAttributes(); | |
173 | if (!m_hasFont) | |
174 | SetFont(GetDefaultAttributes().font); | |
175 | ||
176 | // set the size now if no initial size specified | |
177 | SetInitialBestSize(size); | |
178 | ||
179 | return true; | |
180 | } | |
181 | ||
182 | // ---------------------------------------------------------------------------- | |
183 | // various accessors | |
184 | // ---------------------------------------------------------------------------- | |
185 | ||
186 | wxBorder wxControl::GetDefaultBorder() const | |
187 | { | |
188 | // we want to automatically give controls a sunken style (confusingly, | |
189 | // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE | |
190 | // which is not sunken at all under Windows XP -- rather, just the default) | |
191 | #if defined(__POCKETPC__) || defined(__SMARTPHONE__) | |
192 | return wxBORDER_SIMPLE; | |
193 | #else | |
194 | return wxBORDER_SUNKEN; | |
195 | #endif | |
196 | } | |
197 | ||
198 | WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const | |
199 | { | |
200 | long msStyle = wxWindow::MSWGetStyle(style, exstyle); | |
201 | ||
202 | if ( AcceptsFocus() ) | |
203 | { | |
204 | msStyle |= WS_TABSTOP; | |
205 | } | |
206 | ||
207 | return msStyle; | |
208 | } | |
209 | ||
210 | wxSize wxControl::DoGetBestSize() const | |
211 | { | |
212 | return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); | |
213 | } | |
214 | ||
215 | // This is a helper for all wxControls made with UPDOWN native control. | |
216 | // In wxMSW it was only wxSpinCtrl derived from wxSpinButton but in | |
217 | // WinCE of Smartphones this happens also for native wxTextCtrl, | |
218 | // wxChoice and others. | |
219 | wxSize wxControl::GetBestSpinnerSize(const bool is_vertical) const | |
220 | { | |
221 | // take size according to layout | |
222 | wxSize bestSize( | |
223 | #if defined(__SMARTPHONE__) && defined(__WXWINCE__) | |
224 | 0,GetCharHeight() | |
225 | #else | |
226 | ::GetSystemMetrics(is_vertical ? SM_CXVSCROLL : SM_CXHSCROLL), | |
227 | ::GetSystemMetrics(is_vertical ? SM_CYVSCROLL : SM_CYHSCROLL) | |
228 | #endif | |
229 | ); | |
230 | ||
231 | // correct size as for undocumented MSW variants cases (WinCE and perhaps others) | |
232 | if (bestSize.x==0) | |
233 | bestSize.x = bestSize.y; | |
234 | if (bestSize.y==0) | |
235 | bestSize.y = bestSize.x; | |
236 | ||
237 | // double size according to layout | |
238 | if (is_vertical) | |
239 | bestSize.y *= 2; | |
240 | else | |
241 | bestSize.x *= 2; | |
242 | ||
243 | return bestSize; | |
244 | } | |
245 | ||
246 | /* static */ wxVisualAttributes | |
247 | wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
248 | { | |
249 | wxVisualAttributes attrs; | |
250 | ||
251 | // old school (i.e. not "common") controls use the standard dialog font | |
252 | // by default | |
253 | attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); | |
254 | ||
255 | // most, or at least many, of the controls use the same colours as the | |
256 | // buttons -- others will have to override this (and possibly simply call | |
257 | // GetCompositeControlsDefaultAttributes() from their versions) | |
258 | attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT); | |
259 | attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); | |
260 | ||
261 | return attrs; | |
262 | } | |
263 | ||
264 | // another version for the "composite", i.e. non simple controls | |
265 | /* static */ wxVisualAttributes | |
266 | wxControl::GetCompositeControlsDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
267 | { | |
268 | wxVisualAttributes attrs; | |
269 | attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); | |
270 | attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); | |
271 | attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); | |
272 | ||
273 | return attrs; | |
274 | } | |
275 | ||
276 | // ---------------------------------------------------------------------------- | |
277 | // message handling | |
278 | // ---------------------------------------------------------------------------- | |
279 | ||
280 | bool wxControl::ProcessCommand(wxCommandEvent& event) | |
281 | { | |
282 | return GetEventHandler()->ProcessEvent(event); | |
283 | } | |
284 | ||
285 | #ifdef __WIN95__ | |
286 | bool wxControl::MSWOnNotify(int idCtrl, | |
287 | WXLPARAM lParam, | |
288 | WXLPARAM* result) | |
289 | { | |
290 | wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL); | |
291 | ||
292 | NMHDR *hdr = (NMHDR*) lParam; | |
293 | switch ( hdr->code ) | |
294 | { | |
295 | case NM_CLICK: | |
296 | eventType = wxEVT_COMMAND_LEFT_CLICK; | |
297 | break; | |
298 | ||
299 | case NM_DBLCLK: | |
300 | eventType = wxEVT_COMMAND_LEFT_DCLICK; | |
301 | break; | |
302 | ||
303 | case NM_RCLICK: | |
304 | eventType = wxEVT_COMMAND_RIGHT_CLICK; | |
305 | break; | |
306 | ||
307 | case NM_RDBLCLK: | |
308 | eventType = wxEVT_COMMAND_RIGHT_DCLICK; | |
309 | break; | |
310 | ||
311 | case NM_SETFOCUS: | |
312 | eventType = wxEVT_COMMAND_SET_FOCUS; | |
313 | break; | |
314 | ||
315 | case NM_KILLFOCUS: | |
316 | eventType = wxEVT_COMMAND_KILL_FOCUS; | |
317 | break; | |
318 | ||
319 | case NM_RETURN: | |
320 | eventType = wxEVT_COMMAND_ENTER; | |
321 | break; | |
322 | ||
323 | default: | |
324 | return wxWindow::MSWOnNotify(idCtrl, lParam, result); | |
325 | } | |
326 | ||
327 | wxCommandEvent event(wxEVT_NULL, m_windowId); | |
328 | event.SetEventType(eventType); | |
329 | event.SetEventObject(this); | |
330 | ||
331 | return GetEventHandler()->ProcessEvent(event); | |
332 | } | |
333 | #endif // Win95 | |
334 | ||
335 | WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd) | |
336 | { | |
337 | HDC hdc = (HDC)pDC; | |
338 | if ( m_hasFgCol ) | |
339 | { | |
340 | ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); | |
341 | } | |
342 | ||
343 | WXHBRUSH hbr = 0; | |
344 | if ( !colBg.Ok() ) | |
345 | { | |
346 | hbr = MSWGetBgBrush(pDC, hWnd); | |
347 | ||
348 | // if the control doesn't have any bg colour, foreground colour will be | |
349 | // ignored as the return value would be 0 -- so forcefully give it a | |
350 | // non default background brush in this case | |
351 | if ( !hbr && m_hasFgCol ) | |
352 | colBg = GetBackgroundColour(); | |
353 | } | |
354 | ||
355 | // use the background colour override if a valid colour is given | |
356 | if ( colBg.Ok() ) | |
357 | { | |
358 | ::SetBkColor(hdc, wxColourToRGB(colBg)); | |
359 | ||
360 | // draw children with the same colour as the parent | |
361 | wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg, wxSOLID); | |
362 | ||
363 | hbr = (WXHBRUSH)brush->GetResourceHandle(); | |
364 | } | |
365 | ||
366 | return hbr; | |
367 | } | |
368 | ||
369 | WXHBRUSH wxControl::MSWControlColor(WXHDC pDC, WXHWND hWnd) | |
370 | { | |
371 | wxColour colBg; | |
372 | ||
373 | if ( HasTransparentBackground() ) | |
374 | ::SetBkMode((HDC)pDC, TRANSPARENT); | |
375 | else // if the control is opaque it shouldn't use the parents background | |
376 | colBg = GetBackgroundColour(); | |
377 | ||
378 | return DoMSWControlColor(pDC, colBg, hWnd); | |
379 | } | |
380 | ||
381 | WXHBRUSH wxControl::MSWControlColorDisabled(WXHDC pDC) | |
382 | { | |
383 | return DoMSWControlColor(pDC, | |
384 | wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), | |
385 | GetHWND()); | |
386 | } | |
387 | ||
388 | // --------------------------------------------------------------------------- | |
389 | // global functions | |
390 | // --------------------------------------------------------------------------- | |
391 | ||
392 | // this is used in radiobox.cpp and slider95.cpp and should be removed as soon | |
393 | // as it is not needed there any more! | |
394 | // | |
395 | // Call this repeatedly for several wnds to find the overall size | |
396 | // of the widget. | |
397 | // Call it initially with wxDefaultCoord for all values in rect. | |
398 | // Keep calling for other widgets, and rect will be modified | |
399 | // to calculate largest bounding rectangle. | |
400 | void wxFindMaxSize(WXHWND wnd, RECT *rect) | |
401 | { | |
402 | int left = rect->left; | |
403 | int right = rect->right; | |
404 | int top = rect->top; | |
405 | int bottom = rect->bottom; | |
406 | ||
407 | GetWindowRect((HWND) wnd, rect); | |
408 | ||
409 | if (left < 0) | |
410 | return; | |
411 | ||
412 | if (left < rect->left) | |
413 | rect->left = left; | |
414 | ||
415 | if (right > rect->right) | |
416 | rect->right = right; | |
417 | ||
418 | if (top < rect->top) | |
419 | rect->top = top; | |
420 | ||
421 | if (bottom > rect->bottom) | |
422 | rect->bottom = bottom; | |
423 | } | |
424 | ||
425 | #endif // wxUSE_CONTROLS |