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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: dialog.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #ifdef __GNUG__ | |
11 | #pragma implementation "dialog.h" | |
12 | #endif | |
13 | ||
14 | #include "wx/dialog.h" | |
15 | #include "wx/frame.h" | |
16 | #include "wx/app.h" | |
17 | ||
18 | #include "gdk/gdk.h" | |
19 | #include "gtk/gtk.h" | |
20 | #include "wx/gtk/win_gtk.h" | |
21 | ||
22 | //----------------------------------------------------------------------------- | |
23 | ||
24 | extern wxList wxPendingDelete; | |
25 | ||
26 | //----------------------------------------------------------------------------- | |
27 | // "delete_event" | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win ) | |
31 | { | |
32 | /* | |
33 | printf( "OnDelete from " ); | |
34 | if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) | |
35 | printf( win->GetClassInfo()->GetClassName() ); | |
36 | printf( ".\n" ); | |
37 | */ | |
38 | ||
39 | win->Close(); | |
40 | ||
41 | return TRUE; | |
42 | } | |
43 | ||
44 | //----------------------------------------------------------------------------- | |
45 | // "size_allocate" | |
46 | //----------------------------------------------------------------------------- | |
47 | ||
48 | static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxDialog *win ) | |
49 | { | |
50 | if (!win->HasVMT()) return; | |
51 | ||
52 | /* | |
53 | printf( "OnDialogResize from " ); | |
54 | if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) | |
55 | printf( win->GetClassInfo()->GetClassName() ); | |
56 | printf( ".\n" ); | |
57 | */ | |
58 | ||
59 | win->GtkOnSize( alloc->x, alloc->y, alloc->width, alloc->height ); | |
60 | } | |
61 | ||
62 | //----------------------------------------------------------------------------- | |
63 | // "configure_event" | |
64 | //----------------------------------------------------------------------------- | |
65 | ||
66 | static gint gtk_dialog_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxDialog *win ) | |
67 | { | |
68 | if (!win->HasVMT()) return FALSE; | |
69 | ||
70 | win->m_x = event->x; | |
71 | win->m_y = event->y; | |
72 | ||
73 | wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() ); | |
74 | mevent.SetEventObject( win ); | |
75 | win->GetEventHandler()->ProcessEvent( mevent ); | |
76 | ||
77 | return FALSE; | |
78 | } | |
79 | ||
80 | //----------------------------------------------------------------------------- | |
81 | // wxDialog | |
82 | //----------------------------------------------------------------------------- | |
83 | ||
84 | BEGIN_EVENT_TABLE(wxDialog,wxPanel) | |
85 | EVT_BUTTON (wxID_OK, wxDialog::OnOK) | |
86 | EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel) | |
87 | EVT_BUTTON (wxID_APPLY, wxDialog::OnApply) | |
88 | EVT_SIZE (wxDialog::OnSize) | |
89 | EVT_CLOSE (wxDialog::OnCloseWindow) | |
90 | END_EVENT_TABLE() | |
91 | ||
92 | IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel) | |
93 | ||
94 | wxDialog::wxDialog() | |
95 | { | |
96 | m_title = ""; | |
97 | m_modalShowing = FALSE; | |
98 | } | |
99 | ||
100 | wxDialog::wxDialog( wxWindow *parent, | |
101 | wxWindowID id, const wxString &title, | |
102 | const wxPoint &pos, const wxSize &size, | |
103 | long style, const wxString &name ) | |
104 | { | |
105 | m_modalShowing = FALSE; | |
106 | Create( parent, id, title, pos, size, style, name ); | |
107 | } | |
108 | ||
109 | bool wxDialog::Create( wxWindow *parent, | |
110 | wxWindowID id, const wxString &title, | |
111 | const wxPoint &pos, const wxSize &size, | |
112 | long style, const wxString &name ) | |
113 | { | |
114 | wxTopLevelWindows.Append( this ); | |
115 | ||
116 | m_needParent = FALSE; | |
117 | ||
118 | PreCreation( parent, id, pos, size, style, name ); | |
119 | ||
120 | m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL ); | |
121 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); | |
122 | ||
123 | gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL); | |
124 | ||
125 | gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", | |
126 | GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this ); | |
127 | ||
128 | m_wxwindow = gtk_myfixed_new(); | |
129 | gtk_widget_show( m_wxwindow ); | |
130 | GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS ); | |
131 | ||
132 | gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow ); | |
133 | ||
134 | SetTitle( title ); | |
135 | ||
136 | if ((m_x != -1) || (m_y != -1)) | |
137 | gtk_widget_set_uposition( m_widget, m_x, m_y ); | |
138 | ||
139 | gtk_widget_set_usize( m_widget, m_width, m_height ); | |
140 | ||
141 | gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate", | |
142 | GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this ); | |
143 | ||
144 | gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event", | |
145 | GTK_SIGNAL_FUNC(gtk_dialog_configure_callback), (gpointer)this ); | |
146 | ||
147 | if (m_parent) m_parent->AddChild( this ); | |
148 | ||
149 | PostCreation(); | |
150 | ||
151 | return TRUE; | |
152 | } | |
153 | ||
154 | wxDialog::~wxDialog() | |
155 | { | |
156 | wxTopLevelWindows.DeleteObject( this ); | |
157 | ||
158 | if (wxTheApp->GetTopWindow() == this) | |
159 | { | |
160 | wxTheApp->SetTopWindow( (wxWindow*) NULL ); | |
161 | } | |
162 | ||
163 | if (wxTopLevelWindows.Number() == 0) | |
164 | { | |
165 | wxTheApp->ExitMainLoop(); | |
166 | } | |
167 | } | |
168 | ||
169 | void wxDialog::SetTitle( const wxString& title ) | |
170 | { | |
171 | m_title = title; | |
172 | if (m_title.IsNull()) m_title = ""; | |
173 | gtk_window_set_title( GTK_WINDOW(m_widget), m_title ); | |
174 | } | |
175 | ||
176 | wxString wxDialog::GetTitle() const | |
177 | { | |
178 | return (wxString&)m_title; | |
179 | } | |
180 | ||
181 | void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) ) | |
182 | { | |
183 | if (Validate()) TransferDataFromWindow(); | |
184 | } | |
185 | ||
186 | void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) ) | |
187 | { | |
188 | if (IsModal()) | |
189 | { | |
190 | EndModal(wxID_CANCEL); | |
191 | } | |
192 | else | |
193 | { | |
194 | SetReturnCode(wxID_CANCEL); | |
195 | this->Show(FALSE); | |
196 | } | |
197 | } | |
198 | ||
199 | void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) ) | |
200 | { | |
201 | if ( Validate() && TransferDataFromWindow()) | |
202 | { | |
203 | if (IsModal()) | |
204 | { | |
205 | EndModal(wxID_OK); | |
206 | } | |
207 | else | |
208 | { | |
209 | SetReturnCode(wxID_OK); | |
210 | this->Show(FALSE); | |
211 | } | |
212 | } | |
213 | } | |
214 | ||
215 | void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) ) | |
216 | { | |
217 | // yes | |
218 | } | |
219 | ||
220 | void wxDialog::OnCloseWindow(wxCloseEvent& event) | |
221 | { | |
222 | // We'll send a Cancel message by default, | |
223 | // which may close the dialog. | |
224 | // Check for looping if the Cancel event handler calls Close(). | |
225 | ||
226 | // Note that if a cancel button and handler aren't present in the dialog, | |
227 | // nothing will happen when you close the dialog via the window manager, or | |
228 | // via Close(). | |
229 | // We wouldn't want to destroy the dialog by default, since the dialog may have been | |
230 | // created on the stack. | |
231 | // However, this does mean that calling dialog->Close() won't delete the dialog | |
232 | // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be | |
233 | // sure to destroy the dialog. | |
234 | // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog. | |
235 | ||
236 | static wxList closing; | |
237 | ||
238 | if (closing.Member(this)) | |
239 | return; // no loops | |
240 | ||
241 | closing.Append(this); | |
242 | ||
243 | wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); | |
244 | cancelEvent.SetEventObject( this ); | |
245 | GetEventHandler()->ProcessEvent(cancelEvent); | |
246 | closing.DeleteObject(this); | |
247 | } | |
248 | ||
249 | bool wxDialog::Destroy() | |
250 | { | |
251 | if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this); | |
252 | ||
253 | return TRUE; | |
254 | } | |
255 | ||
256 | void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height ) | |
257 | { | |
258 | // due to a bug in gtk, x,y are always 0 | |
259 | // m_x = x; | |
260 | // m_y = y; | |
261 | ||
262 | if ((m_height == height) && (m_width == width) && | |
263 | (m_sizeSet)) return; | |
264 | if (!m_wxwindow) return; | |
265 | ||
266 | m_width = width; | |
267 | m_height = height; | |
268 | ||
269 | if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth; | |
270 | if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight; | |
271 | if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth; | |
272 | if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight; | |
273 | ||
274 | gtk_widget_set_usize( m_widget, m_width, m_height ); | |
275 | ||
276 | m_sizeSet = TRUE; | |
277 | ||
278 | wxSizeEvent event( wxSize(m_width,m_height), GetId() ); | |
279 | event.SetEventObject( this ); | |
280 | GetEventHandler()->ProcessEvent( event ); | |
281 | } | |
282 | ||
283 | void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) ) | |
284 | { | |
285 | wxASSERT_MSG( (m_widget != NULL), "invalid dialog" ); | |
286 | ||
287 | if (GetAutoLayout()) | |
288 | { | |
289 | Layout(); | |
290 | } | |
291 | else | |
292 | { | |
293 | // no child: go out ! | |
294 | if (!GetChildren().First()) return; | |
295 | ||
296 | // do we have exactly one child? | |
297 | wxWindow *child = (wxWindow *) NULL; | |
298 | for(wxNode *node = GetChildren().First(); node; node = node->Next()) | |
299 | { | |
300 | wxWindow *win = (wxWindow *)node->Data(); | |
301 | if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog)) | |
302 | { | |
303 | // it's the second one: do nothing | |
304 | if (child) return; | |
305 | child = win; | |
306 | } | |
307 | } | |
308 | ||
309 | // yes: set it's size to fill all the frame | |
310 | int client_x, client_y; | |
311 | GetClientSize( &client_x, &client_y ); | |
312 | child->SetSize( 1, 1, client_x-2, client_y); | |
313 | } | |
314 | } | |
315 | ||
316 | void wxDialog::SetSize( int x, int y, int width, int height, int sizeFlags ) | |
317 | { | |
318 | wxASSERT_MSG( (m_widget != NULL), "invalid window" ); | |
319 | ||
320 | // Don't do anything for children of wxMDIChildFrame | |
321 | if (!m_wxwindow) return; | |
322 | ||
323 | if (m_resizing) return; // I don't like recursions | |
324 | m_resizing = TRUE; | |
325 | ||
326 | int old_x = m_x; | |
327 | int old_y = m_y; | |
328 | int old_width = m_width; | |
329 | int old_height = m_height; | |
330 | ||
331 | if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING) | |
332 | { | |
333 | if (x != -1) m_x = x; | |
334 | if (y != -1) m_y = y; | |
335 | if (width != -1) m_width = width; | |
336 | if (height != -1) m_height = height; | |
337 | } | |
338 | else | |
339 | { | |
340 | m_x = x; | |
341 | m_y = y; | |
342 | m_width = width; | |
343 | m_height = height; | |
344 | } | |
345 | ||
346 | if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH) | |
347 | { | |
348 | if (width == -1) m_width = 80; | |
349 | } | |
350 | ||
351 | if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT) | |
352 | { | |
353 | if (height == -1) m_height = 26; | |
354 | } | |
355 | ||
356 | if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth; | |
357 | if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight; | |
358 | if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth; | |
359 | if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight; | |
360 | ||
361 | if ((m_x != -1) || (m_y != -1)) | |
362 | { | |
363 | if ((m_x != old_x) || (m_y != old_y)) | |
364 | gtk_widget_set_uposition( m_widget, m_x, m_y ); | |
365 | } | |
366 | ||
367 | if ((m_width != old_width) || (m_height != old_height)) | |
368 | { | |
369 | gtk_widget_set_usize( m_widget, m_width, m_height ); | |
370 | } | |
371 | ||
372 | m_sizeSet = TRUE; | |
373 | ||
374 | wxSizeEvent event( wxSize(m_width,m_height), GetId() ); | |
375 | event.SetEventObject( this ); | |
376 | GetEventHandler()->ProcessEvent( event ); | |
377 | ||
378 | m_resizing = FALSE; | |
379 | } | |
380 | ||
381 | void wxDialog::SetSize( int width, int height ) | |
382 | { | |
383 | SetSize( -1, -1, width, height, wxSIZE_USE_EXISTING ); | |
384 | } | |
385 | ||
386 | void wxDialog::Centre( int direction ) | |
387 | { | |
388 | wxASSERT_MSG( (m_widget != NULL), "invalid frame" ); | |
389 | ||
390 | int x = 0; | |
391 | int y = 0; | |
392 | ||
393 | if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2; | |
394 | if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2; | |
395 | ||
396 | Move( x, y ); | |
397 | } | |
398 | ||
399 | bool wxDialog::Show( bool show ) | |
400 | { | |
401 | if (!show && IsModal()) | |
402 | { | |
403 | EndModal( wxID_CANCEL ); | |
404 | } | |
405 | ||
406 | wxWindow::Show( show ); | |
407 | ||
408 | if (show) InitDialog(); | |
409 | ||
410 | return TRUE; | |
411 | } | |
412 | ||
413 | bool wxDialog::IsModal() const | |
414 | { | |
415 | return m_modalShowing; | |
416 | } | |
417 | ||
418 | void wxDialog::SetModal( bool WXUNUSED(flag) ) | |
419 | { | |
420 | /* | |
421 | if (flag) | |
422 | m_windowStyle |= wxDIALOG_MODAL; | |
423 | else | |
424 | if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL; | |
425 | */ | |
426 | wxFAIL_MSG( "wxDialog:SetModal obsolete now" ); | |
427 | } | |
428 | ||
429 | int wxDialog::ShowModal() | |
430 | { | |
431 | if (IsModal()) | |
432 | { | |
433 | wxFAIL_MSG( "wxDialog:ShowModal called twice" ); | |
434 | return GetReturnCode(); | |
435 | } | |
436 | ||
437 | Show( TRUE ); | |
438 | ||
439 | m_modalShowing = TRUE; | |
440 | ||
441 | gtk_grab_add( m_widget ); | |
442 | gtk_main(); | |
443 | gtk_grab_remove( m_widget ); | |
444 | ||
445 | return GetReturnCode(); | |
446 | } | |
447 | ||
448 | void wxDialog::EndModal( int retCode ) | |
449 | { | |
450 | SetReturnCode( retCode ); | |
451 | ||
452 | if (!IsModal()) | |
453 | { | |
454 | wxFAIL_MSG( "wxDialog:EndModal called twice" ); | |
455 | return; | |
456 | } | |
457 | ||
458 | m_modalShowing = FALSE; | |
459 | ||
460 | gtk_main_quit(); | |
461 | ||
462 | Show( FALSE ); | |
463 | } | |
464 | ||
465 | void wxDialog::InitDialog() | |
466 | { | |
467 | wxWindow::InitDialog(); | |
468 | } | |
469 | ||
470 | void wxDialog::SetIcon( const wxIcon &icon ) | |
471 | { | |
472 | m_icon = icon; | |
473 | if (!icon.Ok()) return; | |
474 | ||
475 | wxMask *mask = icon.GetMask(); | |
476 | GdkBitmap *bm = (GdkBitmap *) NULL; | |
477 | if (mask) bm = mask->GetBitmap(); | |
478 | ||
479 | gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm ); | |
480 | } |