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[wxWidgets.git] / src / mgl / window.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/mgl/window.cpp
3 // Purpose: wxWindow
4 // Author: Vaclav Slavik
5 // (based on GTK & MSW implementations)
6 // RCS-ID: $Id$
7 // Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // ===========================================================================
12 // declarations
13 // ===========================================================================
14
15 // ---------------------------------------------------------------------------
16 // headers
17 // ---------------------------------------------------------------------------
18
19 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
20 #pragma implementation "window.h"
21 #endif
22
23 // For compilers that support precompilation, includes "wx.h".
24 #include "wx/wxprec.h"
25
26 #ifdef __BORLANDC__
27 #pragma hdrstop
28 #endif
29
30 #ifndef WX_PRECOMP
31 #include "wx/window.h"
32 #include "wx/msgdlg.h"
33 #include "wx/accel.h"
34 #include "wx/setup.h"
35 #include "wx/dc.h"
36 #include "wx/dcclient.h"
37 #include "wx/utils.h"
38 #include "wx/app.h"
39 #include "wx/panel.h"
40 #endif
41
42 #if wxUSE_DRAG_AND_DROP
43 #include "wx/dnd.h"
44 #endif
45
46 #include "wx/log.h"
47 #include "wx/sysopt.h"
48 #include "wx/mgl/private.h"
49 #include "wx/intl.h"
50 #include "wx/dcscreen.h"
51 #include "wx/caret.h"
52
53 #include <mgraph.hpp>
54
55 #if wxUSE_TOOLTIPS
56 #include "wx/tooltip.h"
57 #endif
58
59 // ---------------------------------------------------------------------------
60 // global variables
61 // ---------------------------------------------------------------------------
62
63 // MGL window manager and associated DC.
64 winmng_t *g_winMng = NULL;
65 MGLDevCtx *g_displayDC = NULL;
66
67 // the window that has keyboard focus:
68 static wxWindowMGL *gs_focusedWindow = NULL;
69 // the window that is about to be focused after currently focused
70 // one looses focus:
71 static wxWindow *gs_toBeFocusedWindow = NULL;
72 // the window that is currently under mouse cursor:
73 static wxWindowMGL *gs_windowUnderMouse = NULL;
74 // the window that has mouse capture
75 static wxWindowMGL *gs_mouseCapture = NULL;
76 // the frame that is currently active (i.e. its child has focus). It is
77 // used to generate wxActivateEvents
78 static wxWindowMGL *gs_activeFrame = NULL;
79
80 // ---------------------------------------------------------------------------
81 // constants
82 // ---------------------------------------------------------------------------
83
84 // Custom identifiers used to distinguish between various event handlers
85 // and capture handlers passed to MGL_wm
86 enum
87 {
88 wxMGL_CAPTURE_MOUSE = 1,
89 wxMGL_CAPTURE_KEYB = 2
90 };
91
92
93 // ---------------------------------------------------------------------------
94 // private functions
95 // ---------------------------------------------------------------------------
96
97 // Returns toplevel grandparent of given window:
98 static wxWindowMGL* wxGetTopLevelParent(wxWindowMGL *win)
99 {
100 wxWindowMGL *p = win;
101 while (p && !p->IsTopLevel())
102 p = p->GetParent();
103 return p;
104 }
105
106 // An easy way to capture screenshots:
107 static void wxCaptureScreenshot(bool activeWindowOnly)
108 {
109 #ifdef __DOS__
110 #define SCREENSHOT_FILENAME _T("sshot%03i.png")
111 #else
112 #define SCREENSHOT_FILENAME _T("screenshot-%03i.png")
113 #endif
114 static int screenshot_num = 0;
115 wxString screenshot;
116
117 do
118 {
119 screenshot.Printf(SCREENSHOT_FILENAME, screenshot_num++);
120 } while ( wxFileExists(screenshot) && screenshot_num < 1000 );
121
122 wxRect r(0, 0, g_displayDC->sizex(), g_displayDC->sizey());
123
124 if ( activeWindowOnly && gs_activeFrame )
125 {
126 r.Intersect(gs_activeFrame->GetRect());
127 }
128
129 g_displayDC->savePNGFromDC(screenshot.mb_str(),
130 r.x, r. y, r.x+r.width, r.y+r.height);
131
132 wxMessageBox(wxString::Format(_T("Screenshot captured: %s"),
133 screenshot.c_str()));
134 }
135
136 // ---------------------------------------------------------------------------
137 // MGL_WM hooks:
138 // ---------------------------------------------------------------------------
139
140 static void MGLAPI wxWindowPainter(window_t *wnd, MGLDC *dc)
141 {
142 wxWindowMGL *w = (wxWindow*) wnd->userData;
143
144 if ( w && !(w->GetWindowStyle() & wxTRANSPARENT_WINDOW) )
145 {
146 MGLDevCtx ctx(dc);
147 w->HandlePaint(&ctx);
148 }
149 }
150
151 static ibool MGLAPI wxWindowMouseHandler(window_t *wnd, event_t *e)
152 {
153 wxWindowMGL *win = (wxWindowMGL*)MGL_wmGetWindowUserData(wnd);
154 wxPoint orig(win->GetClientAreaOrigin());
155 wxPoint where;
156
157 MGL_wmCoordGlobalToLocal(win->GetHandle(),
158 e->where_x, e->where_y, &where.x, &where.y);
159
160 for (wxWindowMGL *w = win; w; w = w->GetParent())
161 {
162 if ( !w->IsEnabled() )
163 return FALSE;
164 if ( w->IsTopLevel() )
165 break;
166 }
167
168 wxEventType type = wxEVT_NULL;
169 wxMouseEvent event;
170 event.SetEventObject(win);
171 event.SetTimestamp(e->when);
172 event.m_x = where.x - orig.x;
173 event.m_y = where.y - orig.y;
174 event.m_shiftDown = e->modifiers & EVT_SHIFTKEY;
175 event.m_controlDown = e->modifiers & EVT_CTRLSTATE;
176 event.m_altDown = e->modifiers & EVT_LEFTALT;
177 event.m_metaDown = e->modifiers & EVT_RIGHTALT;
178 event.m_leftDown = e->modifiers & EVT_LEFTBUT;
179 event.m_middleDown = e->modifiers & EVT_MIDDLEBUT;
180 event.m_rightDown = e->modifiers & EVT_RIGHTBUT;
181
182 switch (e->what)
183 {
184 case EVT_MOUSEDOWN:
185 // Change focus if the user clicks outside focused window:
186 if ( win->AcceptsFocus() && wxWindow::FindFocus() != win )
187 win->SetFocus();
188
189 if ( e->message & EVT_DBLCLICK )
190 {
191 if ( e->message & EVT_LEFTBMASK )
192 type = wxEVT_LEFT_DCLICK;
193 else if ( e->message & EVT_MIDDLEBMASK )
194 type = wxEVT_MIDDLE_DCLICK;
195 else if ( e->message & EVT_RIGHTBMASK )
196 type = wxEVT_RIGHT_DCLICK;
197 }
198 else
199 {
200 if ( e->message & EVT_LEFTBMASK )
201 type = wxEVT_LEFT_DOWN;
202 else if ( e->message & EVT_MIDDLEBMASK )
203 type = wxEVT_MIDDLE_DOWN;
204 else if ( e->message & EVT_RIGHTBMASK )
205 type = wxEVT_RIGHT_DOWN;
206 }
207
208 break;
209
210 case EVT_MOUSEUP:
211 if ( e->message & EVT_LEFTBMASK )
212 type = wxEVT_LEFT_UP;
213 else if ( e->message & EVT_MIDDLEBMASK )
214 type = wxEVT_MIDDLE_UP;
215 else if ( e->message & EVT_RIGHTBMASK )
216 type = wxEVT_RIGHT_UP;
217 break;
218
219 case EVT_MOUSEMOVE:
220 if ( !gs_mouseCapture )
221 {
222 if ( win != gs_windowUnderMouse )
223 {
224 if ( gs_windowUnderMouse )
225 {
226 wxMouseEvent event2(event);
227 MGL_wmCoordGlobalToLocal(gs_windowUnderMouse->GetHandle(),
228 e->where_x, e->where_y,
229 &event2.m_x, &event2.m_y);
230
231 wxPoint orig(gs_windowUnderMouse->GetClientAreaOrigin());
232 event2.m_x -= orig.x;
233 event2.m_y -= orig.y;
234
235 event2.SetEventObject(gs_windowUnderMouse);
236 event2.SetEventType(wxEVT_LEAVE_WINDOW);
237 gs_windowUnderMouse->GetEventHandler()->ProcessEvent(event2);
238 }
239
240 wxMouseEvent event3(event);
241 event3.SetEventType(wxEVT_ENTER_WINDOW);
242 win->GetEventHandler()->ProcessEvent(event3);
243
244 gs_windowUnderMouse = win;
245 }
246 }
247 else // gs_mouseCapture
248 {
249 bool inside = (where.x >= 0 &&
250 where.y >= 0 &&
251 where.x < win->GetSize().x &&
252 where.y < win->GetSize().y);
253 if ( (inside && gs_windowUnderMouse != win) ||
254 (!inside && gs_windowUnderMouse == win) )
255 {
256 wxMouseEvent evt(inside ?
257 wxEVT_ENTER_WINDOW : wxEVT_LEAVE_WINDOW);
258 evt.SetEventObject(win);
259 win->GetEventHandler()->ProcessEvent(evt);
260 gs_windowUnderMouse = inside ? win : NULL;
261 }
262 }
263
264 type = wxEVT_MOTION;
265 break;
266
267 default:
268 break;
269 }
270
271 if ( type == wxEVT_NULL )
272 {
273 return FALSE;
274 }
275 else
276 {
277 event.SetEventType(type);
278 return win->GetEventHandler()->ProcessEvent(event);
279 }
280 }
281
282 static long wxScanToKeyCode(event_t *event, bool translate)
283 {
284 // VS: make it __WXDEBUG__-only, since we have lots of wxLogTrace calls
285 // here and the arguments would be stored in non-debug executable even
286 // though wxLogTrace would be no-op...
287 #ifdef __WXDEBUG__
288 #define KEY(mgl_key,wx_key) \
289 case mgl_key: \
290 wxLogTrace(_T("keyevents"), \
291 _T("key " #mgl_key ", mapped to " #wx_key)); \
292 key = wx_key; \
293 break;
294 #else
295 #define KEY(mgl_key,wx_key) \
296 case mgl_key: key = wx_key; break;
297 #endif
298
299 long key = 0;
300
301 if ( translate )
302 {
303 switch ( EVT_scanCode(event->message) )
304 {
305 KEY (KB_padMinus, WXK_NUMPAD_SUBTRACT)
306 KEY (KB_padPlus, WXK_NUMPAD_ADD)
307 KEY (KB_padTimes, WXK_NUMPAD_MULTIPLY)
308 KEY (KB_padDivide, WXK_NUMPAD_DIVIDE)
309 KEY (KB_padCenter, WXK_NUMPAD_SEPARATOR) // ?
310 KEY (KB_padLeft, WXK_NUMPAD_LEFT)
311 KEY (KB_padRight, WXK_NUMPAD_RIGHT)
312 KEY (KB_padUp, WXK_NUMPAD_UP)
313 KEY (KB_padDown, WXK_NUMPAD_DOWN)
314 KEY (KB_padInsert, WXK_NUMPAD_INSERT)
315 KEY (KB_padDelete, WXK_NUMPAD_DELETE)
316 KEY (KB_padHome, WXK_NUMPAD_HOME)
317 KEY (KB_padEnd, WXK_NUMPAD_END)
318 KEY (KB_padPageUp, WXK_NUMPAD_PAGEUP)
319 //KEY (KB_padPageUp, WXK_NUMPAD_PRIOR)
320 KEY (KB_padPageDown, WXK_NUMPAD_PAGEDOWN)
321 //KEY (KB_padPageDown, WXK_NUMPAD_NEXT)
322 KEY (KB_1, '1')
323 KEY (KB_2, '2')
324 KEY (KB_3, '3')
325 KEY (KB_4, '4')
326 KEY (KB_5, '5')
327 KEY (KB_6, '6')
328 KEY (KB_7, '7')
329 KEY (KB_8, '8')
330 KEY (KB_9, '9')
331 KEY (KB_0, '0')
332 KEY (KB_minus, WXK_SUBTRACT)
333 KEY (KB_equals, WXK_ADD)
334 KEY (KB_backSlash, '\\')
335 KEY (KB_Q, 'Q')
336 KEY (KB_W, 'W')
337 KEY (KB_E, 'E')
338 KEY (KB_R, 'R')
339 KEY (KB_T, 'T')
340 KEY (KB_Y, 'Y')
341 KEY (KB_U, 'U')
342 KEY (KB_I, 'I')
343 KEY (KB_O, 'O')
344 KEY (KB_P, 'P')
345 KEY (KB_leftSquareBrace,'[')
346 KEY (KB_rightSquareBrace,']')
347 KEY (KB_A, 'A')
348 KEY (KB_S, 'S')
349 KEY (KB_D, 'D')
350 KEY (KB_F, 'F')
351 KEY (KB_G, 'G')
352 KEY (KB_H, 'H')
353 KEY (KB_J, 'J')
354 KEY (KB_K, 'K')
355 KEY (KB_L, 'L')
356 KEY (KB_semicolon, ';')
357 KEY (KB_apostrophe, '\'')
358 KEY (KB_Z, 'Z')
359 KEY (KB_X, 'X')
360 KEY (KB_C, 'C')
361 KEY (KB_V, 'V')
362 KEY (KB_B, 'B')
363 KEY (KB_N, 'N')
364 KEY (KB_M, 'M')
365 KEY (KB_comma, ',')
366 KEY (KB_period, '.')
367 KEY (KB_divide, WXK_DIVIDE)
368 KEY (KB_space, WXK_SPACE)
369 KEY (KB_tilde, '~')
370
371 default: break;
372 }
373 }
374
375 if ( key == 0 )
376 {
377 switch ( EVT_scanCode(event->message) )
378 {
379 KEY (KB_padEnter, WXK_NUMPAD_ENTER)
380 KEY (KB_F1, WXK_F1)
381 KEY (KB_F2, WXK_F2)
382 KEY (KB_F3, WXK_F3)
383 KEY (KB_F4, WXK_F4)
384 KEY (KB_F5, WXK_F5)
385 KEY (KB_F6, WXK_F6)
386 KEY (KB_F7, WXK_F7)
387 KEY (KB_F8, WXK_F8)
388 KEY (KB_F9, WXK_F9)
389 KEY (KB_F10, WXK_F10)
390 KEY (KB_F11, WXK_F11)
391 KEY (KB_F12, WXK_F12)
392 KEY (KB_left, WXK_LEFT)
393 KEY (KB_right, WXK_RIGHT)
394 KEY (KB_up, WXK_UP)
395 KEY (KB_down, WXK_DOWN)
396 KEY (KB_insert, WXK_INSERT)
397 KEY (KB_delete, WXK_DELETE)
398 KEY (KB_home, WXK_HOME)
399 KEY (KB_end, WXK_END)
400 KEY (KB_pageUp, WXK_PAGEUP)
401 KEY (KB_pageDown, WXK_PAGEDOWN)
402 KEY (KB_capsLock, WXK_CAPITAL)
403 KEY (KB_numLock, WXK_NUMLOCK)
404 KEY (KB_scrollLock, WXK_SCROLL)
405 KEY (KB_leftShift, WXK_SHIFT)
406 KEY (KB_rightShift, WXK_SHIFT)
407 KEY (KB_leftCtrl, WXK_CONTROL)
408 KEY (KB_rightCtrl, WXK_CONTROL)
409 KEY (KB_leftAlt, WXK_ALT)
410 KEY (KB_rightAlt, WXK_ALT)
411 KEY (KB_leftWindows, WXK_START)
412 KEY (KB_rightWindows, WXK_START)
413 KEY (KB_menu, WXK_MENU)
414 KEY (KB_sysReq, WXK_SNAPSHOT)
415 KEY (KB_esc, WXK_ESCAPE)
416 KEY (KB_backspace, WXK_BACK)
417 KEY (KB_tab, WXK_TAB)
418 KEY (KB_enter, WXK_RETURN)
419
420 default:
421 key = EVT_asciiCode(event->message);
422 break;
423 }
424 }
425
426 #undef KEY
427
428 return key;
429 }
430
431 static bool wxHandleSpecialKeys(wxKeyEvent& event)
432 {
433 // Add an easy way to capture screenshots:
434 if ( event.m_keyCode == WXK_SNAPSHOT
435 #ifdef __WXDEBUG__ // FIXME_MGL - remove when KB_sysReq works in MGL!
436 || (event.m_keyCode == WXK_F1 &&
437 event.m_shiftDown && event.m_controlDown)
438 #endif
439 )
440 {
441 wxCaptureScreenshot(event.m_altDown/*only active wnd?*/);
442 return TRUE;
443 }
444
445 return FALSE;
446 }
447
448 static ibool MGLAPI wxWindowKeybHandler(window_t *wnd, event_t *e)
449 {
450 wxWindowMGL *win = (wxWindowMGL*)MGL_wmGetWindowUserData(wnd);
451
452 if ( !win->IsEnabled() ) return FALSE;
453
454 wxPoint where;
455 MGL_wmCoordGlobalToLocal(win->GetHandle(),
456 e->where_x, e->where_y, &where.x, &where.y);
457
458 wxKeyEvent event;
459 event.SetEventObject(win);
460 event.SetTimestamp(e->when);
461 event.m_keyCode = wxScanToKeyCode(e, TRUE);
462 event.m_scanCode = 0; // not used by wx at all
463 event.m_x = where.x;
464 event.m_y = where.y;
465 event.m_shiftDown = e->modifiers & EVT_SHIFTKEY;
466 event.m_controlDown = e->modifiers & EVT_CTRLSTATE;
467 event.m_altDown = e->modifiers & EVT_LEFTALT;
468 event.m_metaDown = e->modifiers & EVT_RIGHTALT;
469
470 if ( e->what == EVT_KEYUP )
471 {
472 event.SetEventType(wxEVT_KEY_UP);
473 return win->GetEventHandler()->ProcessEvent(event);
474 }
475 else
476 {
477 bool ret;
478 wxKeyEvent event2;
479
480 event.SetEventType(wxEVT_KEY_DOWN);
481 event2 = event;
482
483 ret = win->GetEventHandler()->ProcessEvent(event);
484
485 // wxMSW doesn't send char events with Alt pressed
486 // Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x
487 // will only be sent if it is not in an accelerator table:
488 event2.m_keyCode = wxScanToKeyCode(e, FALSE);
489 if ( !ret && event2.m_keyCode != 0 )
490 {
491 event2.SetEventType(wxEVT_CHAR);
492 ret = win->GetEventHandler()->ProcessEvent(event2);
493 }
494
495 // Synthetize navigation key event, but do it only if the TAB key
496 // wasn't handled yet:
497 if ( !ret && event.m_keyCode == WXK_TAB &&
498 win->GetParent() && win->GetParent()->HasFlag(wxTAB_TRAVERSAL) )
499 {
500 wxNavigationKeyEvent navEvent;
501 navEvent.SetEventObject(win->GetParent());
502 // Shift-TAB goes in reverse direction:
503 navEvent.SetDirection(!event.m_shiftDown);
504 // Ctrl-TAB changes the (parent) window, i.e. switch notebook page:
505 navEvent.SetWindowChange(event.m_controlDown);
506 navEvent.SetCurrentFocus(wxStaticCast(win, wxWindow));
507 ret = win->GetParent()->GetEventHandler()->ProcessEvent(navEvent);
508 }
509
510 // Finally, process special meaning keys that are usually
511 // a responsibility of OS or window manager:
512 if ( !ret )
513 ret = wxHandleSpecialKeys(event);
514
515 return ret;
516 }
517 }
518
519 // ---------------------------------------------------------------------------
520 // event tables
521 // ---------------------------------------------------------------------------
522
523 // in wxUniv this class is abstract because it doesn't have DoPopupMenu()
524 IMPLEMENT_ABSTRACT_CLASS(wxWindowMGL, wxWindowBase)
525
526 BEGIN_EVENT_TABLE(wxWindowMGL, wxWindowBase)
527 END_EVENT_TABLE()
528
529 // ===========================================================================
530 // implementation
531 // ===========================================================================
532
533 // ----------------------------------------------------------------------------
534 // constructors and such
535 // ----------------------------------------------------------------------------
536
537 extern wxVideoMode wxGetDefaultDisplayMode();
538
539 void wxWindowMGL::Init()
540 {
541 // First of all, make sure window manager is up and running. If it is
542 // not the case, initialize it in default display mode
543 if ( !g_winMng )
544 {
545 if ( !wxTheApp->SetDisplayMode(wxGetDefaultDisplayMode()) )
546 wxLogFatalError(_("Cannot initialize display."));
547 }
548
549 // mgl specific:
550 m_wnd = NULL;
551 m_isShown = TRUE;
552 m_frozen = FALSE;
553 m_paintMGLDC = NULL;
554 m_eraseBackground = -1;
555 }
556
557 // Destructor
558 wxWindowMGL::~wxWindowMGL()
559 {
560 SendDestroyEvent();
561
562 m_isBeingDeleted = TRUE;
563
564 if ( gs_mouseCapture == this )
565 ReleaseMouse();
566
567 if (gs_activeFrame == this)
568 {
569 gs_activeFrame = NULL;
570 // activate next frame in Z-order:
571 if ( m_wnd->prev )
572 {
573 wxWindowMGL *win = (wxWindowMGL*)m_wnd->prev->userData;
574 win->SetFocus();
575 }
576 else if ( m_wnd->next )
577 {
578 wxWindowMGL *win = (wxWindowMGL*)m_wnd->next->userData;
579 win->SetFocus();
580 }
581 }
582
583 if ( gs_focusedWindow == this )
584 KillFocus();
585
586 if ( gs_windowUnderMouse == this )
587 gs_windowUnderMouse = NULL;
588
589 DestroyChildren();
590
591 if ( m_wnd )
592 MGL_wmDestroyWindow(m_wnd);
593 }
594
595 // real construction (Init() must have been called before!)
596 bool wxWindowMGL::Create(wxWindow *parent,
597 wxWindowID id,
598 const wxPoint& pos,
599 const wxSize& size,
600 long style,
601 const wxString& name)
602 {
603 if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
604 return FALSE;
605
606 if ( parent )
607 parent->AddChild(this);
608
609 int x, y, w, h;
610 x = pos.x, y = pos.y;
611 if ( x == -1 )
612 x = 0; // FIXME_MGL, something better, see GTK+
613 if ( y == -1 )
614 y = 0; // FIXME_MGL, something better, see GTK+
615 AdjustForParentClientOrigin(x, y, 0);
616 w = WidthDefault(size.x);
617 h = HeightDefault(size.y);
618
619 long mgl_style = 0;
620 window_t *wnd_parent = parent ? parent->GetHandle() : NULL;
621
622 if ( style & wxFULL_REPAINT_ON_RESIZE )
623 {
624 mgl_style |= MGL_WM_FULL_REPAINT_ON_RESIZE;
625 }
626 if ( style & wxSTAY_ON_TOP )
627 {
628 mgl_style |= MGL_WM_ALWAYS_ON_TOP;
629 }
630 if ( style & wxPOPUP_WINDOW )
631 {
632 mgl_style |= MGL_WM_ALWAYS_ON_TOP;
633 // it is created hidden as other top level windows
634 m_isShown = FALSE;
635 wnd_parent = NULL;
636 }
637
638 window_t *wnd = MGL_wmCreateWindow(g_winMng, wnd_parent, x, y, w, h);
639
640 MGL_wmSetWindowFlags(wnd, mgl_style);
641 MGL_wmShowWindow(wnd, m_isShown);
642
643 SetMGLwindow_t(wnd);
644
645 return TRUE;
646 }
647
648 void wxWindowMGL::SetMGLwindow_t(struct window_t *wnd)
649 {
650 if ( m_wnd )
651 MGL_wmDestroyWindow(m_wnd);
652
653 m_wnd = wnd;
654 if ( !m_wnd ) return;
655
656 m_isShown = m_wnd->visible;
657
658 MGL_wmSetWindowUserData(m_wnd, (void*) this);
659 MGL_wmSetWindowPainter(m_wnd, wxWindowPainter);
660 MGL_wmPushWindowEventHandler(m_wnd, wxWindowMouseHandler, EVT_MOUSEEVT, 0);
661 MGL_wmPushWindowEventHandler(m_wnd, wxWindowKeybHandler, EVT_KEYEVT, 0);
662
663 if ( m_cursor.Ok() )
664 MGL_wmSetWindowCursor(m_wnd, *m_cursor.GetMGLCursor());
665 else
666 MGL_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetMGLCursor());
667 }
668
669 // ---------------------------------------------------------------------------
670 // basic operations
671 // ---------------------------------------------------------------------------
672
673 void wxWindowMGL::SetFocus()
674 {
675 if ( gs_focusedWindow == this ) return;
676
677 wxWindowMGL *oldFocusedWindow = gs_focusedWindow;
678
679 if ( gs_focusedWindow )
680 {
681 gs_toBeFocusedWindow = (wxWindow*)this;
682 gs_focusedWindow->KillFocus();
683 gs_toBeFocusedWindow = NULL;
684 }
685
686 gs_focusedWindow = this;
687
688 MGL_wmCaptureEvents(GetHandle(), EVT_KEYEVT, wxMGL_CAPTURE_KEYB);
689
690 wxWindowMGL *active = wxGetTopLevelParent(this);
691 if ( !(m_windowStyle & wxPOPUP_WINDOW) && active != gs_activeFrame )
692 {
693 if ( gs_activeFrame )
694 {
695 wxActivateEvent event(wxEVT_ACTIVATE, FALSE, gs_activeFrame->GetId());
696 event.SetEventObject(gs_activeFrame);
697 gs_activeFrame->GetEventHandler()->ProcessEvent(event);
698 }
699
700 gs_activeFrame = active;
701 wxActivateEvent event(wxEVT_ACTIVATE, TRUE, gs_activeFrame->GetId());
702 event.SetEventObject(gs_activeFrame);
703 gs_activeFrame->GetEventHandler()->ProcessEvent(event);
704 }
705
706 wxFocusEvent event(wxEVT_SET_FOCUS, GetId());
707 event.SetEventObject(this);
708 event.SetWindow((wxWindow*)oldFocusedWindow);
709 GetEventHandler()->ProcessEvent(event);
710
711 #if wxUSE_CARET
712 // caret needs to be informed about focus change
713 wxCaret *caret = GetCaret();
714 if ( caret )
715 caret->OnSetFocus();
716 #endif // wxUSE_CARET
717 }
718
719 void wxWindowMGL::KillFocus()
720 {
721 if ( gs_focusedWindow != this ) return;
722 gs_focusedWindow = NULL;
723
724 if ( m_isBeingDeleted ) return;
725
726 MGL_wmUncaptureEvents(GetHandle(), wxMGL_CAPTURE_KEYB);
727
728 #if wxUSE_CARET
729 // caret needs to be informed about focus change
730 wxCaret *caret = GetCaret();
731 if ( caret )
732 caret->OnKillFocus();
733 #endif // wxUSE_CARET
734
735 wxFocusEvent event(wxEVT_KILL_FOCUS, GetId());
736 event.SetEventObject(this);
737 event.SetWindow(gs_toBeFocusedWindow);
738 GetEventHandler()->ProcessEvent(event);
739 }
740
741 // ----------------------------------------------------------------------------
742 // this wxWindowBase function is implemented here (in platform-specific file)
743 // because it is static and so couldn't be made virtual
744 // ----------------------------------------------------------------------------
745 wxWindow *wxWindowBase::DoFindFocus()
746 {
747 return (wxWindow*)gs_focusedWindow;
748 }
749
750 bool wxWindowMGL::Show(bool show)
751 {
752 if ( !wxWindowBase::Show(show) )
753 return FALSE;
754
755 MGL_wmShowWindow(m_wnd, show);
756
757 if (!show && gs_activeFrame == this)
758 {
759 // activate next frame in Z-order:
760 if ( m_wnd->prev )
761 {
762 wxWindowMGL *win = (wxWindowMGL*)m_wnd->prev->userData;
763 win->SetFocus();
764 }
765 else if ( m_wnd->next )
766 {
767 wxWindowMGL *win = (wxWindowMGL*)m_wnd->next->userData;
768 win->SetFocus();
769 }
770 else
771 {
772 gs_activeFrame = NULL;
773 }
774 }
775
776 return TRUE;
777 }
778
779 // Raise the window to the top of the Z order
780 void wxWindowMGL::Raise()
781 {
782 MGL_wmRaiseWindow(m_wnd);
783 }
784
785 // Lower the window to the bottom of the Z order
786 void wxWindowMGL::Lower()
787 {
788 MGL_wmLowerWindow(m_wnd);
789 }
790
791 void wxWindowMGL::DoCaptureMouse()
792 {
793 if ( gs_mouseCapture )
794 MGL_wmUncaptureEvents(gs_mouseCapture->m_wnd, wxMGL_CAPTURE_MOUSE);
795
796 gs_mouseCapture = this;
797 MGL_wmCaptureEvents(m_wnd, EVT_MOUSEEVT, wxMGL_CAPTURE_MOUSE);
798 }
799
800 void wxWindowMGL::DoReleaseMouse()
801 {
802 wxASSERT_MSG( gs_mouseCapture == this, wxT("attempt to release mouse, but this window hasn't captured it") );
803
804 MGL_wmUncaptureEvents(m_wnd, wxMGL_CAPTURE_MOUSE);
805 gs_mouseCapture = NULL;
806 }
807
808 /* static */ wxWindow *wxWindowBase::GetCapture()
809 {
810 return (wxWindow*)gs_mouseCapture;
811 }
812
813 bool wxWindowMGL::SetCursor(const wxCursor& cursor)
814 {
815 if ( !wxWindowBase::SetCursor(cursor) )
816 {
817 // no change
818 return FALSE;
819 }
820
821 if ( m_cursor.Ok() )
822 MGL_wmSetWindowCursor(m_wnd, *m_cursor.GetMGLCursor());
823 else
824 MGL_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetMGLCursor());
825
826 return TRUE;
827 }
828
829 void wxWindowMGL::WarpPointer(int x, int y)
830 {
831 int w, h;
832 wxDisplaySize(&w, &h);
833
834 ClientToScreen(&x, &y);
835 if ( x < 0 )
836 x = 0;
837 if ( y < 0 )
838 y = 0;
839 if ( x >= w )
840 x = w-1;
841 if ( y >= h )
842 y = h-1;
843
844 EVT_setMousePos(x, y);
845 }
846
847 // Set this window to be the child of 'parent'.
848 bool wxWindowMGL::Reparent(wxWindowBase *parent)
849 {
850 if ( !wxWindowBase::Reparent(parent) )
851 return FALSE;
852
853 MGL_wmReparentWindow(m_wnd, parent->GetHandle());
854
855 return TRUE;
856 }
857
858
859 // ---------------------------------------------------------------------------
860 // drag and drop
861 // ---------------------------------------------------------------------------
862
863 #if wxUSE_DRAG_AND_DROP
864
865 void wxWindowMGL::SetDropTarget(wxDropTarget *pDropTarget)
866 {
867 if ( m_dropTarget != 0 ) {
868 m_dropTarget->Revoke(m_hWnd);
869 delete m_dropTarget;
870 }
871
872 m_dropTarget = pDropTarget;
873 if ( m_dropTarget != 0 )
874 m_dropTarget->Register(m_hWnd);
875 }
876 // FIXME_MGL
877 #endif // wxUSE_DRAG_AND_DROP
878
879 // old style file-manager drag&drop support: we retain the old-style
880 // DragAcceptFiles in parallel with SetDropTarget.
881 void wxWindowMGL::DragAcceptFiles(bool accept)
882 {
883 #if 0 // FIXME_MGL
884 HWND hWnd = GetHwnd();
885 if ( hWnd )
886 ::DragAcceptFiles(hWnd, (BOOL)accept);
887 #endif
888 }
889
890 // ---------------------------------------------------------------------------
891 // moving and resizing
892 // ---------------------------------------------------------------------------
893
894 // Get total size
895 void wxWindowMGL::DoGetSize(int *x, int *y) const
896 {
897 wxASSERT_MSG( m_wnd, wxT("invalid window") );
898
899 if (x) *x = m_wnd->width;
900 if (y) *y = m_wnd->height;
901 }
902
903 void wxWindowMGL::DoGetPosition(int *x, int *y) const
904 {
905 wxASSERT_MSG( m_wnd, wxT("invalid window") );
906
907 int pX = 0, pY = 0;
908 AdjustForParentClientOrigin(pX, pY, 0);
909
910 if (x) *x = m_wnd->x - pX;
911 if (y) *y = m_wnd->y - pY;
912 }
913
914 void wxWindowMGL::DoScreenToClient(int *x, int *y) const
915 {
916 int ax, ay;
917 MGL_wmCoordGlobalToLocal(m_wnd, 0, 0, &ax, &ay);
918 if (x)
919 (*x) += ax;
920 if (y)
921 (*y) += ay;
922 }
923
924 void wxWindowMGL::DoClientToScreen(int *x, int *y) const
925 {
926 int ax, ay;
927 MGL_wmCoordLocalToGlobal(m_wnd, 0, 0, &ax, &ay);
928 if (x)
929 (*x) += ax;
930 if (y)
931 (*y) += ay;
932 }
933
934 // Get size *available for subwindows* i.e. excluding menu bar etc.
935 void wxWindowMGL::DoGetClientSize(int *x, int *y) const
936 {
937 DoGetSize(x, y);
938 }
939
940 void wxWindowMGL::DoMoveWindow(int x, int y, int width, int height)
941 {
942 wxRect rcClient(GetClientRect());
943
944 MGL_wmSetWindowPosition(m_wnd, x, y, width, height);
945
946 // When the origin or a window stays fixed but the height or width
947 // changes, invalidate the old and new non-client areas
948 if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) &&
949 m_wnd->x == x && m_wnd->y == y &&
950 rcClient.Intersect(GetClientRect()) != wxRect(0, 0, width, height) )
951 {
952 wxRegion rgn(0, 0, width, height);
953 rgn.Subtract(rcClient);
954
955 // This should work I think, but doesn't seem to:
956 //MGL_wmInvalidateWindowRegion(m_wnd, rgn.GetMGLRegion().rgnPointer());
957
958 // Use MGL_wmInvalidateWindowRect instead:
959 for (wxRegionIterator it(rgn); it; it++)
960 {
961 rect_t rc;
962 rc.left = it.GetX();
963 rc.top = it.GetY();
964 rc.right = rc.left + it.GetW();
965 rc.bottom = rc.top + it.GetH();
966 MGL_wmInvalidateWindowRect(m_wnd, &rc);
967 }
968 }
969 }
970
971 // set the size of the window: if the dimensions are positive, just use them,
972 // but if any of them is equal to -1, it means that we must find the value for
973 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
974 // which case -1 is a valid value for x and y)
975 //
976 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
977 // the width/height to best suit our contents, otherwise we reuse the current
978 // width/height
979 void wxWindowMGL::DoSetSize(int x, int y, int width, int height, int sizeFlags)
980 {
981 // get the current size and position...
982 int currentX, currentY;
983 GetPosition(&currentX, &currentY);
984 int currentW,currentH;
985 GetSize(&currentW, &currentH);
986
987 // ... and don't do anything (avoiding flicker) if it's already ok
988 if ( x == currentX && y == currentY &&
989 width == currentW && height == currentH )
990 {
991 return;
992 }
993
994 if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
995 x = currentX;
996 if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
997 y = currentY;
998
999 AdjustForParentClientOrigin(x, y, sizeFlags);
1000
1001 wxSize size(-1, -1);
1002 if ( width == -1 )
1003 {
1004 if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1005 {
1006 size = DoGetBestSize();
1007 width = size.x;
1008 }
1009 else
1010 {
1011 // just take the current one
1012 width = currentW;
1013 }
1014 }
1015
1016 if ( height == -1 )
1017 {
1018 if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1019 {
1020 if ( size.x == -1 )
1021 {
1022 size = DoGetBestSize();
1023 }
1024 //else: already called DoGetBestSize() above
1025
1026 height = size.y;
1027 }
1028 else
1029 {
1030 // just take the current one
1031 height = currentH;
1032 }
1033 }
1034
1035 int maxWidth = GetMaxWidth(),
1036 minWidth = GetMinWidth(),
1037 maxHeight = GetMaxHeight(),
1038 minHeight = GetMinHeight();
1039
1040 if ( minWidth != -1 && width < minWidth ) width = minWidth;
1041 if ( maxWidth != -1 && width > maxWidth ) width = maxWidth;
1042 if ( minHeight != -1 && height < minHeight ) height = minHeight;
1043 if ( maxHeight != -1 && height > maxHeight ) height = maxHeight;
1044
1045 if ( m_wnd->x != x || m_wnd->y != y ||
1046 (int)m_wnd->width != width || (int)m_wnd->height != height )
1047 {
1048 DoMoveWindow(x, y, width, height);
1049
1050 wxSizeEvent event(wxSize(width, height), GetId());
1051 event.SetEventObject(this);
1052 GetEventHandler()->ProcessEvent(event);
1053 }
1054 }
1055
1056 void wxWindowMGL::DoSetClientSize(int width, int height)
1057 {
1058 SetSize(width, height);
1059 }
1060
1061 // ---------------------------------------------------------------------------
1062 // text metrics
1063 // ---------------------------------------------------------------------------
1064
1065 int wxWindowMGL::GetCharHeight() const
1066 {
1067 wxScreenDC dc;
1068 dc.SetFont(m_font);
1069 return dc.GetCharHeight();
1070 }
1071
1072 int wxWindowMGL::GetCharWidth() const
1073 {
1074 wxScreenDC dc;
1075 dc.SetFont(m_font);
1076 return dc.GetCharWidth();
1077 }
1078
1079 void wxWindowMGL::GetTextExtent(const wxString& string,
1080 int *x, int *y,
1081 int *descent, int *externalLeading,
1082 const wxFont *theFont) const
1083 {
1084 wxScreenDC dc;
1085 if (!theFont)
1086 theFont = &m_font;
1087 dc.GetTextExtent(string, x, y, descent, externalLeading, (wxFont*)theFont);
1088 }
1089
1090
1091 // ---------------------------------------------------------------------------
1092 // painting
1093 // ---------------------------------------------------------------------------
1094
1095 void wxWindowMGL::Clear()
1096 {
1097 wxClientDC dc((wxWindow *)this);
1098 wxBrush brush(GetBackgroundColour(), wxSOLID);
1099 dc.SetBackground(brush);
1100 dc.Clear();
1101 }
1102
1103 #include "wx/menu.h"
1104 void wxWindowMGL::Refresh(bool eraseBack, const wxRect *rect)
1105 {
1106 if ( m_eraseBackground == -1 )
1107 m_eraseBackground = eraseBack;
1108 else
1109 m_eraseBackground |= eraseBack;
1110
1111 if ( rect )
1112 {
1113 rect_t r;
1114 r.left = rect->GetLeft(), r.right = rect->GetRight();
1115 r.top = rect->GetTop(), r.bottom = rect->GetBottom();
1116 MGL_wmInvalidateWindowRect(GetHandle(), &r);
1117 }
1118 else
1119 MGL_wmInvalidateWindow(GetHandle());
1120 }
1121
1122 void wxWindowMGL::Update()
1123 {
1124 if ( !m_frozen )
1125 MGL_wmUpdateDC(g_winMng);
1126 }
1127
1128 void wxWindowMGL::Freeze()
1129 {
1130 m_frozen = TRUE;
1131 m_refreshAfterThaw = FALSE;
1132 }
1133
1134 void wxWindowMGL::Thaw()
1135 {
1136 m_frozen = FALSE;
1137 if ( m_refreshAfterThaw )
1138 Refresh();
1139 }
1140
1141 void wxWindowMGL::HandlePaint(MGLDevCtx *dc)
1142 {
1143 if ( m_frozen )
1144 {
1145 // Don't paint anything if the window is frozen.
1146 m_refreshAfterThaw = TRUE;
1147 return;
1148 }
1149
1150 #ifdef __WXDEBUG__
1151 // FIXME_MGL -- debugging stuff, to be removed!
1152 static int debugPaintEvents = -1;
1153 if ( debugPaintEvents == -1 )
1154 debugPaintEvents = wxGetEnv(wxT("WXMGL_DEBUG_PAINT_EVENTS"), NULL);
1155 if ( debugPaintEvents )
1156 {
1157 dc->setColorRGB(255,0,255);
1158 dc->fillRect(-1000,-1000,2000,2000);
1159 wxUsleep(50);
1160 }
1161 #endif
1162
1163 MGLRegion clip;
1164 dc->getClipRegion(clip);
1165 m_updateRegion = wxRegion(clip);
1166 m_paintMGLDC = dc;
1167
1168 #if wxUSE_CARET
1169 // must hide caret temporarily, otherwise we'd get rendering artifacts
1170 wxCaret *caret = GetCaret();
1171 if ( caret )
1172 caret->Hide();
1173 #endif // wxUSE_CARET
1174
1175 if ( m_eraseBackground != 0 )
1176 {
1177 wxWindowDC dc((wxWindow*)this);
1178 wxEraseEvent eventEr(m_windowId, &dc);
1179 eventEr.SetEventObject(this);
1180 GetEventHandler()->ProcessEvent(eventEr);
1181 }
1182 m_eraseBackground = -1;
1183
1184 wxNcPaintEvent eventNc(GetId());
1185 eventNc.SetEventObject(this);
1186 GetEventHandler()->ProcessEvent(eventNc);
1187
1188 wxPaintEvent eventPt(GetId());
1189 eventPt.SetEventObject(this);
1190 GetEventHandler()->ProcessEvent(eventPt);
1191
1192 #if wxUSE_CARET
1193 if ( caret )
1194 caret->Show();
1195 #endif // wxUSE_CARET
1196
1197 m_paintMGLDC = NULL;
1198 m_updateRegion.Clear();
1199 }
1200
1201
1202 // Find the wxWindow at the current mouse position, returning the mouse
1203 // position.
1204 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1205 {
1206 return wxFindWindowAtPoint(pt = wxGetMousePosition());
1207 }
1208
1209 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
1210 {
1211 window_t *wnd = MGL_wmGetWindowAtPosition(g_winMng, pt.x, pt.y);
1212 return (wxWindow*)wnd->userData;
1213 }
1214
1215
1216 // ---------------------------------------------------------------------------
1217 // idle events processing
1218 // ---------------------------------------------------------------------------
1219
1220 void wxWindowMGL::OnInternalIdle()
1221 {
1222 if (wxUpdateUIEvent::CanUpdate(this))
1223 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1224 }
wxWidgets (Impactor)