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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 #ifdef __GNUG__
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 #include "wx/caret.h"
41 #endif
42
43 #if wxUSE_DRAG_AND_DROP
44 #include "wx/dnd.h"
45 #endif
46
47 #include "wx/log.h"
48 #include "wx/sysopt.h"
49 #include "wx/mgl/private.h"
50 #include "wx/intl.h"
51 #include "wx/dcscreen.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 EVT_IDLE(wxWindowMGL::OnIdle)
528 END_EVENT_TABLE()
529
530 // ===========================================================================
531 // implementation
532 // ===========================================================================
533
534 // ----------------------------------------------------------------------------
535 // constructors and such
536 // ----------------------------------------------------------------------------
537
538 extern wxDisplayModeInfo wxGetDefaultDisplayMode();
539
540 void wxWindowMGL::Init()
541 {
542 // First of all, make sure window manager is up and running. If it is
543 // not the case, initialize it in default display mode
544 if ( !g_winMng )
545 {
546 if ( !wxTheApp->SetDisplayMode(wxGetDefaultDisplayMode()) )
547 wxLogFatalError(_("Cannot initialize display."));
548 }
549
550 // generic:
551 InitBase();
552
553 // mgl specific:
554 m_wnd = NULL;
555 m_isShown = TRUE;
556 m_isBeingDeleted = FALSE;
557 m_isEnabled = TRUE;
558 m_frozen = FALSE;
559 m_paintMGLDC = NULL;
560 m_eraseBackground = -1;
561 }
562
563 // Destructor
564 wxWindowMGL::~wxWindowMGL()
565 {
566 SendDestroyEvent();
567
568 m_isBeingDeleted = TRUE;
569
570 if ( gs_mouseCapture == this )
571 ReleaseMouse();
572
573 if (gs_activeFrame == this)
574 {
575 gs_activeFrame = NULL;
576 // activate next frame in Z-order:
577 if ( m_wnd->prev )
578 {
579 wxWindowMGL *win = (wxWindowMGL*)m_wnd->prev->userData;
580 win->SetFocus();
581 }
582 else if ( m_wnd->next )
583 {
584 wxWindowMGL *win = (wxWindowMGL*)m_wnd->next->userData;
585 win->SetFocus();
586 }
587 }
588
589 if ( gs_focusedWindow == this )
590 KillFocus();
591
592 if ( gs_windowUnderMouse == this )
593 gs_windowUnderMouse = NULL;
594
595 // VS: destroy children first and _then_ detach *this from its parent.
596 // If we'd do it the other way around, children wouldn't be able
597 // find their parent frame (see above).
598 DestroyChildren();
599
600 if ( m_parent )
601 m_parent->RemoveChild(this);
602
603 if ( m_wnd )
604 MGL_wmDestroyWindow(m_wnd);
605 }
606
607 // real construction (Init() must have been called before!)
608 bool wxWindowMGL::Create(wxWindow *parent,
609 wxWindowID id,
610 const wxPoint& pos,
611 const wxSize& size,
612 long style,
613 const wxString& name)
614 {
615 if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
616 return FALSE;
617
618 if ( parent )
619 parent->AddChild(this);
620
621 int x, y, w, h;
622 x = pos.x, y = pos.y;
623 if ( x == -1 )
624 x = 0; // FIXME_MGL, something better, see GTK+
625 if ( y == -1 )
626 y = 0; // FIXME_MGL, something better, see GTK+
627 AdjustForParentClientOrigin(x, y, 0);
628 w = WidthDefault(size.x);
629 h = HeightDefault(size.y);
630
631 long mgl_style = 0;
632 window_t *wnd_parent = parent ? parent->GetHandle() : NULL;
633
634 if ( !(style & wxNO_FULL_REPAINT_ON_RESIZE) )
635 {
636 mgl_style |= MGL_WM_FULL_REPAINT_ON_RESIZE;
637 }
638 if ( style & wxSTAY_ON_TOP )
639 {
640 mgl_style |= MGL_WM_ALWAYS_ON_TOP;
641 }
642 if ( style & wxPOPUP_WINDOW )
643 {
644 mgl_style |= MGL_WM_ALWAYS_ON_TOP;
645 // it is created hidden as other top level windows
646 m_isShown = FALSE;
647 wnd_parent = NULL;
648 }
649
650 window_t *wnd = MGL_wmCreateWindow(g_winMng, wnd_parent, x, y, w, h);
651
652 MGL_wmSetWindowFlags(wnd, mgl_style);
653 MGL_wmShowWindow(wnd, m_isShown);
654
655 SetMGLwindow_t(wnd);
656
657 return TRUE;
658 }
659
660 void wxWindowMGL::SetMGLwindow_t(struct window_t *wnd)
661 {
662 if ( m_wnd )
663 MGL_wmDestroyWindow(m_wnd);
664
665 m_wnd = wnd;
666 if ( !m_wnd ) return;
667
668 m_isShown = m_wnd->visible;
669
670 MGL_wmSetWindowUserData(m_wnd, (void*) this);
671 MGL_wmSetWindowPainter(m_wnd, wxWindowPainter);
672 MGL_wmPushWindowEventHandler(m_wnd, wxWindowMouseHandler, EVT_MOUSEEVT, 0);
673 MGL_wmPushWindowEventHandler(m_wnd, wxWindowKeybHandler, EVT_KEYEVT, 0);
674
675 if ( m_cursor.Ok() )
676 MGL_wmSetWindowCursor(m_wnd, *m_cursor.GetMGLCursor());
677 else
678 MGL_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetMGLCursor());
679 }
680
681 // ---------------------------------------------------------------------------
682 // basic operations
683 // ---------------------------------------------------------------------------
684
685 void wxWindowMGL::SetFocus()
686 {
687 if ( gs_focusedWindow == this ) return;
688
689 wxWindowMGL *oldFocusedWindow = gs_focusedWindow;
690
691 if ( gs_focusedWindow )
692 {
693 gs_toBeFocusedWindow = (wxWindow*)this;
694 gs_focusedWindow->KillFocus();
695 gs_toBeFocusedWindow = NULL;
696 }
697
698 gs_focusedWindow = this;
699
700 MGL_wmCaptureEvents(GetHandle(), EVT_KEYEVT, wxMGL_CAPTURE_KEYB);
701
702 wxWindowMGL *active = wxGetTopLevelParent(this);
703 if ( !(m_windowStyle & wxPOPUP_WINDOW) && active != gs_activeFrame )
704 {
705 if ( gs_activeFrame )
706 {
707 wxActivateEvent event(wxEVT_ACTIVATE, FALSE, gs_activeFrame->GetId());
708 event.SetEventObject(gs_activeFrame);
709 gs_activeFrame->GetEventHandler()->ProcessEvent(event);
710 }
711
712 gs_activeFrame = active;
713 wxActivateEvent event(wxEVT_ACTIVATE, TRUE, gs_activeFrame->GetId());
714 event.SetEventObject(gs_activeFrame);
715 gs_activeFrame->GetEventHandler()->ProcessEvent(event);
716 }
717
718 wxFocusEvent event(wxEVT_SET_FOCUS, GetId());
719 event.SetEventObject(this);
720 event.SetWindow((wxWindow*)oldFocusedWindow);
721 GetEventHandler()->ProcessEvent(event);
722
723 #if wxUSE_CARET
724 // caret needs to be informed about focus change
725 wxCaret *caret = GetCaret();
726 if ( caret )
727 caret->OnSetFocus();
728 #endif // wxUSE_CARET
729 }
730
731 void wxWindowMGL::KillFocus()
732 {
733 if ( gs_focusedWindow != this ) return;
734 gs_focusedWindow = NULL;
735
736 if ( m_isBeingDeleted ) return;
737
738 MGL_wmUncaptureEvents(GetHandle(), wxMGL_CAPTURE_KEYB);
739
740 #if wxUSE_CARET
741 // caret needs to be informed about focus change
742 wxCaret *caret = GetCaret();
743 if ( caret )
744 caret->OnKillFocus();
745 #endif // wxUSE_CARET
746
747 wxFocusEvent event(wxEVT_KILL_FOCUS, GetId());
748 event.SetEventObject(this);
749 event.SetWindow(gs_toBeFocusedWindow);
750 GetEventHandler()->ProcessEvent(event);
751 }
752
753 // ----------------------------------------------------------------------------
754 // this wxWindowBase function is implemented here (in platform-specific file)
755 // because it is static and so couldn't be made virtual
756 // ----------------------------------------------------------------------------
757 wxWindow *wxWindowBase::FindFocus()
758 {
759 return (wxWindow*)gs_focusedWindow;
760 }
761
762 bool wxWindowMGL::Show(bool show)
763 {
764 if ( !wxWindowBase::Show(show) )
765 return FALSE;
766
767 MGL_wmShowWindow(m_wnd, show);
768
769 if (!show && gs_activeFrame == this)
770 {
771 // activate next frame in Z-order:
772 if ( m_wnd->prev )
773 {
774 wxWindowMGL *win = (wxWindowMGL*)m_wnd->prev->userData;
775 win->SetFocus();
776 }
777 else if ( m_wnd->next )
778 {
779 wxWindowMGL *win = (wxWindowMGL*)m_wnd->next->userData;
780 win->SetFocus();
781 }
782 else
783 {
784 gs_activeFrame = NULL;
785 }
786 }
787
788 return TRUE;
789 }
790
791 // Raise the window to the top of the Z order
792 void wxWindowMGL::Raise()
793 {
794 MGL_wmRaiseWindow(m_wnd);
795 }
796
797 // Lower the window to the bottom of the Z order
798 void wxWindowMGL::Lower()
799 {
800 MGL_wmLowerWindow(m_wnd);
801 }
802
803 void wxWindowMGL::DoCaptureMouse()
804 {
805 if ( gs_mouseCapture )
806 MGL_wmUncaptureEvents(gs_mouseCapture->m_wnd, wxMGL_CAPTURE_MOUSE);
807
808 gs_mouseCapture = this;
809 MGL_wmCaptureEvents(m_wnd, EVT_MOUSEEVT, wxMGL_CAPTURE_MOUSE);
810 }
811
812 void wxWindowMGL::DoReleaseMouse()
813 {
814 wxASSERT_MSG( gs_mouseCapture == this, wxT("attempt to release mouse, but this window hasn't captured it") );
815
816 MGL_wmUncaptureEvents(m_wnd, wxMGL_CAPTURE_MOUSE);
817 gs_mouseCapture = NULL;
818 }
819
820 /* static */ wxWindow *wxWindowBase::GetCapture()
821 {
822 return (wxWindow*)gs_mouseCapture;
823 }
824
825 bool wxWindowMGL::SetCursor(const wxCursor& cursor)
826 {
827 if ( !wxWindowBase::SetCursor(cursor) )
828 {
829 // no change
830 return FALSE;
831 }
832
833 if ( m_cursor.Ok() )
834 MGL_wmSetWindowCursor(m_wnd, *m_cursor.GetMGLCursor());
835 else
836 MGL_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetMGLCursor());
837
838 return TRUE;
839 }
840
841 void wxWindowMGL::WarpPointer(int x, int y)
842 {
843 int w, h;
844 wxDisplaySize(&w, &h);
845
846 ClientToScreen(&x, &y);
847 if ( x < 0 )
848 x = 0;
849 if ( y < 0 )
850 y = 0;
851 if ( x >= w )
852 x = w-1;
853 if ( y >= h )
854 y = h-1;
855
856 EVT_setMousePos(x, y);
857 }
858
859 #if WXWIN_COMPATIBILITY
860 // If nothing defined for this, try the parent.
861 // E.g. we may be a button loaded from a resource, with no callback function
862 // defined.
863 void wxWindowMGL::OnCommand(wxWindow& win, wxCommandEvent& event)
864 {
865 if ( GetEventHandler()->ProcessEvent(event) )
866 return;
867 if ( m_parent )
868 m_parent->GetEventHandler()->OnCommand(win, event);
869 }
870 #endif // WXWIN_COMPATIBILITY_2
871
872 #if WXWIN_COMPATIBILITY
873 wxObject* wxWindowMGL::GetChild(int number) const
874 {
875 // Return a pointer to the Nth object in the Panel
876 wxNode *node = GetChildren().First();
877 int n = number;
878 while (node && n--)
879 node = node->Next();
880 if ( node )
881 {
882 wxObject *obj = (wxObject *)node->Data();
883 return(obj);
884 }
885 else
886 return NULL;
887 }
888 #endif // WXWIN_COMPATIBILITY
889
890 // Set this window to be the child of 'parent'.
891 bool wxWindowMGL::Reparent(wxWindowBase *parent)
892 {
893 if ( !wxWindowBase::Reparent(parent) )
894 return FALSE;
895
896 MGL_wmReparentWindow(m_wnd, parent->GetHandle());
897
898 return TRUE;
899 }
900
901
902 // ---------------------------------------------------------------------------
903 // drag and drop
904 // ---------------------------------------------------------------------------
905
906 #if wxUSE_DRAG_AND_DROP
907
908 void wxWindowMGL::SetDropTarget(wxDropTarget *pDropTarget)
909 {
910 if ( m_dropTarget != 0 ) {
911 m_dropTarget->Revoke(m_hWnd);
912 delete m_dropTarget;
913 }
914
915 m_dropTarget = pDropTarget;
916 if ( m_dropTarget != 0 )
917 m_dropTarget->Register(m_hWnd);
918 }
919 // FIXME_MGL
920 #endif // wxUSE_DRAG_AND_DROP
921
922 // old style file-manager drag&drop support: we retain the old-style
923 // DragAcceptFiles in parallel with SetDropTarget.
924 void wxWindowMGL::DragAcceptFiles(bool accept)
925 {
926 #if 0 // FIXME_MGL
927 HWND hWnd = GetHwnd();
928 if ( hWnd )
929 ::DragAcceptFiles(hWnd, (BOOL)accept);
930 #endif
931 }
932
933 // ---------------------------------------------------------------------------
934 // moving and resizing
935 // ---------------------------------------------------------------------------
936
937 // Get total size
938 void wxWindowMGL::DoGetSize(int *x, int *y) const
939 {
940 wxASSERT_MSG( m_wnd, wxT("invalid window") );
941
942 if (x) *x = m_wnd->width;
943 if (y) *y = m_wnd->height;
944 }
945
946 void wxWindowMGL::DoGetPosition(int *x, int *y) const
947 {
948 wxASSERT_MSG( m_wnd, wxT("invalid window") );
949
950 int pX = 0, pY = 0;
951 AdjustForParentClientOrigin(pX, pY, 0);
952
953 if (x) *x = m_wnd->x - pX;
954 if (y) *y = m_wnd->y - pY;
955 }
956
957 void wxWindowMGL::DoScreenToClient(int *x, int *y) const
958 {
959 int ax, ay;
960 MGL_wmCoordGlobalToLocal(m_wnd, 0, 0, &ax, &ay);
961 if (x)
962 (*x) += ax;
963 if (y)
964 (*y) += ay;
965 }
966
967 void wxWindowMGL::DoClientToScreen(int *x, int *y) const
968 {
969 int ax, ay;
970 MGL_wmCoordLocalToGlobal(m_wnd, 0, 0, &ax, &ay);
971 if (x)
972 (*x) += ax;
973 if (y)
974 (*y) += ay;
975 }
976
977 // Get size *available for subwindows* i.e. excluding menu bar etc.
978 void wxWindowMGL::DoGetClientSize(int *x, int *y) const
979 {
980 DoGetSize(x, y);
981 }
982
983 void wxWindowMGL::DoMoveWindow(int x, int y, int width, int height)
984 {
985 MGL_wmSetWindowPosition(GetHandle(), x, y, width, height);
986 }
987
988 // set the size of the window: if the dimensions are positive, just use them,
989 // but if any of them is equal to -1, it means that we must find the value for
990 // it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
991 // which case -1 is a valid value for x and y)
992 //
993 // If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
994 // the width/height to best suit our contents, otherwise we reuse the current
995 // width/height
996 void wxWindowMGL::DoSetSize(int x, int y, int width, int height, int sizeFlags)
997 {
998 // get the current size and position...
999 int currentX, currentY;
1000 GetPosition(&currentX, &currentY);
1001 int currentW,currentH;
1002 GetSize(&currentW, &currentH);
1003
1004 // ... and don't do anything (avoiding flicker) if it's already ok
1005 if ( x == currentX && y == currentY &&
1006 width == currentW && height == currentH )
1007 {
1008 return;
1009 }
1010
1011 if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1012 x = currentX;
1013 if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
1014 y = currentY;
1015
1016 AdjustForParentClientOrigin(x, y, sizeFlags);
1017
1018 wxSize size(-1, -1);
1019 if ( width == -1 )
1020 {
1021 if ( sizeFlags & wxSIZE_AUTO_WIDTH )
1022 {
1023 size = DoGetBestSize();
1024 width = size.x;
1025 }
1026 else
1027 {
1028 // just take the current one
1029 width = currentW;
1030 }
1031 }
1032
1033 if ( height == -1 )
1034 {
1035 if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
1036 {
1037 if ( size.x == -1 )
1038 {
1039 size = DoGetBestSize();
1040 }
1041 //else: already called DoGetBestSize() above
1042
1043 height = size.y;
1044 }
1045 else
1046 {
1047 // just take the current one
1048 height = currentH;
1049 }
1050 }
1051
1052 int maxWidth = GetMaxWidth(),
1053 minWidth = GetMinWidth(),
1054 maxHeight = GetMaxHeight(),
1055 minHeight = GetMinHeight();
1056
1057 if ( minWidth != -1 && width < minWidth ) width = minWidth;
1058 if ( maxWidth != -1 && width > maxWidth ) width = maxWidth;
1059 if ( minHeight != -1 && height < minHeight ) height = minHeight;
1060 if ( maxHeight != -1 && height > maxHeight ) height = maxHeight;
1061
1062 if ( m_wnd->x != x || m_wnd->y != y ||
1063 (int)m_wnd->width != width || (int)m_wnd->height != height )
1064 {
1065 DoMoveWindow(x, y, width, height);
1066
1067 wxSizeEvent event(wxSize(width, height), GetId());
1068 event.SetEventObject(this);
1069 GetEventHandler()->ProcessEvent(event);
1070 }
1071 }
1072
1073 void wxWindowMGL::DoSetClientSize(int width, int height)
1074 {
1075 SetSize(width, height);
1076 }
1077
1078 // ---------------------------------------------------------------------------
1079 // text metrics
1080 // ---------------------------------------------------------------------------
1081
1082 int wxWindowMGL::GetCharHeight() const
1083 {
1084 wxScreenDC dc;
1085 dc.SetFont(m_font);
1086 return dc.GetCharHeight();
1087 }
1088
1089 int wxWindowMGL::GetCharWidth() const
1090 {
1091 wxScreenDC dc;
1092 dc.SetFont(m_font);
1093 return dc.GetCharWidth();
1094 }
1095
1096 void wxWindowMGL::GetTextExtent(const wxString& string,
1097 int *x, int *y,
1098 int *descent, int *externalLeading,
1099 const wxFont *theFont) const
1100 {
1101 wxScreenDC dc;
1102 if (!theFont)
1103 theFont = &m_font;
1104 dc.GetTextExtent(string, x, y, descent, externalLeading, (wxFont*)theFont);
1105 }
1106
1107 #if wxUSE_CARET && WXWIN_COMPATIBILITY
1108 // ---------------------------------------------------------------------------
1109 // Caret manipulation
1110 // ---------------------------------------------------------------------------
1111
1112 void wxWindowMGL::CreateCaret(int w, int h)
1113 {
1114 SetCaret(new wxCaret(this, w, h));
1115 }
1116
1117 void wxWindowMGL::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
1118 {
1119 wxFAIL_MSG("not implemented");
1120 }
1121
1122 void wxWindowMGL::ShowCaret(bool show)
1123 {
1124 wxCHECK_RET( m_caret, "no caret to show" );
1125
1126 m_caret->Show(show);
1127 }
1128
1129 void wxWindowMGL::DestroyCaret()
1130 {
1131 SetCaret(NULL);
1132 }
1133
1134 void wxWindowMGL::SetCaretPos(int x, int y)
1135 {
1136 wxCHECK_RET( m_caret, "no caret to move" );
1137
1138 m_caret->Move(x, y);
1139 }
1140
1141 void wxWindowMGL::GetCaretPos(int *x, int *y) const
1142 {
1143 wxCHECK_RET( m_caret, "no caret to get position of" );
1144
1145 m_caret->GetPosition(x, y);
1146 }
1147 #endif // wxUSE_CARET
1148
1149
1150 // ---------------------------------------------------------------------------
1151 // painting
1152 // ---------------------------------------------------------------------------
1153
1154 void wxWindowMGL::Clear()
1155 {
1156 wxClientDC dc((wxWindow *)this);
1157 wxBrush brush(GetBackgroundColour(), wxSOLID);
1158 dc.SetBackground(brush);
1159 dc.Clear();
1160 }
1161
1162 #include "wx/menu.h"
1163 void wxWindowMGL::Refresh(bool eraseBack, const wxRect *rect)
1164 {
1165 if ( m_eraseBackground == -1 )
1166 m_eraseBackground = eraseBack;
1167 else
1168 m_eraseBackground |= eraseBack;
1169
1170 if ( rect )
1171 {
1172 rect_t r;
1173 r.left = rect->GetLeft(), r.right = rect->GetRight();
1174 r.top = rect->GetTop(), r.bottom = rect->GetBottom();
1175 MGL_wmInvalidateWindowRect(GetHandle(), &r);
1176 }
1177 else
1178 MGL_wmInvalidateWindow(GetHandle());
1179 }
1180
1181 void wxWindowMGL::Update()
1182 {
1183 if ( !m_frozen )
1184 MGL_wmUpdateDC(g_winMng);
1185 }
1186
1187 void wxWindowMGL::Freeze()
1188 {
1189 m_frozen = TRUE;
1190 m_refreshAfterThaw = FALSE;
1191 }
1192
1193 void wxWindowMGL::Thaw()
1194 {
1195 m_frozen = FALSE;
1196 if ( m_refreshAfterThaw )
1197 Refresh();
1198 }
1199
1200 void wxWindowMGL::HandlePaint(MGLDevCtx *dc)
1201 {
1202 if ( m_frozen )
1203 {
1204 // Don't paint anything if the window is frozen.
1205 m_refreshAfterThaw = TRUE;
1206 return;
1207 }
1208
1209 #ifdef __WXDEBUG__
1210 // FIXME_MGL -- debugging stuff, to be removed!
1211 static int debugPaintEvents = -1;
1212 if ( debugPaintEvents == -1 )
1213 debugPaintEvents = wxGetEnv(wxT("WXMGL_DEBUG_PAINT_EVENTS"), NULL);
1214 if ( debugPaintEvents )
1215 {
1216 dc->setColorRGB(255,0,255);
1217 dc->fillRect(-1000,-1000,2000,2000);
1218 wxUsleep(50);
1219 }
1220 #endif
1221
1222 MGLRegion clip;
1223 dc->getClipRegion(clip);
1224 m_updateRegion = wxRegion(clip);
1225 m_paintMGLDC = dc;
1226
1227 #if wxUSE_CARET
1228 // must hide caret temporarily, otherwise we'd get rendering artifacts
1229 wxCaret *caret = GetCaret();
1230 if ( caret )
1231 caret->Hide();
1232 #endif // wxUSE_CARET
1233
1234 if ( m_eraseBackground != 0 )
1235 {
1236 wxWindowDC dc((wxWindow*)this);
1237 wxEraseEvent eventEr(m_windowId, &dc);
1238 eventEr.SetEventObject(this);
1239 GetEventHandler()->ProcessEvent(eventEr);
1240 }
1241 m_eraseBackground = -1;
1242
1243 wxNcPaintEvent eventNc(GetId());
1244 eventNc.SetEventObject(this);
1245 GetEventHandler()->ProcessEvent(eventNc);
1246
1247 wxPaintEvent eventPt(GetId());
1248 eventPt.SetEventObject(this);
1249 GetEventHandler()->ProcessEvent(eventPt);
1250
1251 #if wxUSE_CARET
1252 if ( caret )
1253 caret->Show();
1254 #endif // wxUSE_CARET
1255
1256 m_paintMGLDC = NULL;
1257 m_updateRegion.Clear();
1258 }
1259
1260
1261 // Find the wxWindow at the current mouse position, returning the mouse
1262 // position.
1263 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1264 {
1265 return wxFindWindowAtPoint(pt = wxGetMousePosition());
1266 }
1267
1268 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
1269 {
1270 window_t *wnd = MGL_wmGetWindowAtPosition(g_winMng, pt.x, pt.y);
1271 return (wxWindow*)wnd->userData;
1272 }
1273
1274
1275 // ---------------------------------------------------------------------------
1276 // idle events processing
1277 // ---------------------------------------------------------------------------
1278
1279 void wxWindowMGL::OnIdle(wxIdleEvent& WXUNUSED(event))
1280 {
1281 if (wxUpdateUIEvent::CanUpdate())
1282 UpdateWindowUI();
1283 }
wxWidgets (Impactor)