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Converted the virtual-methods-callbacks into real events, leaving the
[wxWidgets.git] / src / gtk / dialog.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: dialog.cpp
3// Purpose:
4// Author: Robert Roebling
a81258be 5// Id: $Id$
01111366 6// Copyright: (c) 1998 Robert Roebling
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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#include "wx/gtk/win_gtk.h"
18
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19//-----------------------------------------------------------------------------
20
21extern wxList wxPendingDelete;
22
c801d85f 23//-----------------------------------------------------------------------------
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24// "delete_event"
25//-----------------------------------------------------------------------------
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26
27bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
28{
29/*
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30 printf( "OnDelete from " );
31 if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
32 printf( win->GetClassInfo()->GetClassName() );
33 printf( ".\n" );
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34*/
35
fb1585ae 36 win->Close();
c801d85f 37
fb1585ae 38 return TRUE;
c33c4050 39}
c801d85f 40
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41//-----------------------------------------------------------------------------
42// "size_allocate"
43//-----------------------------------------------------------------------------
44
45static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxDialog *win )
46{
47 if (!win->HasVMT()) return;
48
49/*
50 printf( "OnDialogResize from " );
51 if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
52 printf( win->GetClassInfo()->GetClassName() );
53 printf( ".\n" );
54*/
55
56 win->GtkOnSize( alloc->x, alloc->y, alloc->width, alloc->height );
57}
58
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59//-----------------------------------------------------------------------------
60// wxDialog
61//-----------------------------------------------------------------------------
62
a60c99e6 63BEGIN_EVENT_TABLE(wxDialog,wxPanel)
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64 EVT_BUTTON (wxID_OK, wxDialog::OnOK)
65 EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel)
66 EVT_BUTTON (wxID_APPLY, wxDialog::OnApply)
e52f60e6 67 EVT_SIZE (wxDialog::OnSize)
fb1585ae 68 EVT_CLOSE (wxDialog::OnCloseWindow)
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69END_EVENT_TABLE()
70
a60c99e6 71IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel)
c801d85f 72
43a18898 73wxDialog::wxDialog()
c801d85f 74{
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75 m_title = "";
76 m_modalShowing = FALSE;
77 wxTopLevelWindows.Insert( this );
c33c4050 78}
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79
80wxDialog::wxDialog( wxWindow *parent,
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81 wxWindowID id, const wxString &title,
82 const wxPoint &pos, const wxSize &size,
83 long style, const wxString &name )
c801d85f 84{
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85 m_modalShowing = FALSE;
86 wxTopLevelWindows.Insert( this );
87 Create( parent, id, title, pos, size, style, name );
c33c4050 88}
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89
90bool wxDialog::Create( wxWindow *parent,
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91 wxWindowID id, const wxString &title,
92 const wxPoint &pos, const wxSize &size,
93 long style, const wxString &name )
c801d85f 94{
fb1585ae 95 m_needParent = FALSE;
c801d85f 96
fb1585ae 97 PreCreation( parent, id, pos, size, style, name );
c801d85f 98
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99 m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
100 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
c801d85f 101
fb1585ae 102 gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
c801d85f 103
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104 gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
105 GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
c801d85f 106
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107 gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
108 GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this );
109
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110 m_wxwindow = gtk_myfixed_new();
111 gtk_widget_show( m_wxwindow );
112 GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
c801d85f 113
fb1585ae 114 gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
c801d85f 115
fb1585ae 116 SetTitle( title );
c801d85f 117
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118 if ((m_x != -1) || (m_y != -1))
119 gtk_widget_set_uposition( m_widget, m_x, m_y );
903f689b 120
fb1585ae 121 gtk_widget_set_usize( m_widget, m_width, m_height );
903f689b 122
fb1585ae 123 if (m_parent) m_parent->AddChild( this );
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124
125
fb1585ae 126 PostCreation();
c801d85f 127
fb1585ae 128 return TRUE;
c33c4050 129}
c801d85f 130
43a18898 131wxDialog::~wxDialog()
c801d85f 132{
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133 wxTopLevelWindows.DeleteObject( this );
134 if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
c33c4050 135}
c801d85f 136
43a18898 137void wxDialog::SetTitle( const wxString& title )
c801d85f 138{
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139 m_title = title;
140 if (m_title.IsNull()) m_title = "";
141 gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
c33c4050 142}
c801d85f 143
43a18898 144wxString wxDialog::GetTitle() const
c801d85f 145{
fb1585ae 146 return (wxString&)m_title;
c33c4050 147}
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148
149void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
150{
fb1585ae 151 if (Validate()) TransferDataFromWindow();
c33c4050 152}
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153
154void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
155{
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156 if (IsModal())
157 {
158 EndModal(wxID_CANCEL);
159 }
160 else
161 {
162 SetReturnCode(wxID_CANCEL);
163 this->Show(FALSE);
164 }
c33c4050 165}
c801d85f 166
903f689b 167void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) )
c801d85f 168{
fb1585ae 169 if ( Validate() && TransferDataFromWindow())
1a6944fd 170 {
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171 if (IsModal())
172 {
173 EndModal(wxID_OK);
174 }
175 else
176 {
177 SetReturnCode(wxID_OK);
178 this->Show(FALSE);
179 }
1a6944fd 180 }
c33c4050 181}
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182
183void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
184{
185 // yes
c33c4050 186}
c801d85f 187
43a18898 188bool wxDialog::OnClose()
c801d85f 189{
fb1585ae 190 static wxList closing;
c801d85f 191
fb1585ae 192 if (closing.Member(this)) return FALSE; // no loops
1a6944fd 193
fb1585ae 194 closing.Append(this);
c801d85f 195
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196 wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
197 cancelEvent.SetEventObject( this );
198 GetEventHandler()->ProcessEvent(cancelEvent);
199 closing.DeleteObject(this);
c801d85f 200
fb1585ae 201 return FALSE;
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202}
203
43a18898 204bool wxDialog::Destroy()
e2414cbe 205{
fb1585ae 206 if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
e2414cbe 207
fb1585ae 208 return TRUE;
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209}
210
43a18898 211void wxDialog::OnCloseWindow( wxCloseEvent& event )
c801d85f 212{
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213 if (GetEventHandler()->OnClose() || event.GetForce())
214 {
215 this->Destroy();
216 }
c33c4050 217}
c801d85f 218
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219void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
220{
221 // due to a bug in gtk, x,y are always 0
222 // m_x = x;
223 // m_y = y;
224
225 if ((m_height == height) && (m_width == width) &&
226 (m_sizeSet)) return;
227 if (!m_wxwindow) return;
228
229 m_width = width;
230 m_height = height;
231
232 if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
233 if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
234 if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
235 if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
236
237 gtk_widget_set_usize( m_widget, m_width, m_height );
238
239 m_sizeSet = TRUE;
240
241 wxSizeEvent event( wxSize(m_width,m_height), GetId() );
242 event.SetEventObject( this );
243 GetEventHandler()->ProcessEvent( event );
244}
245
246void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) )
247{
248 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
249
250 if (GetAutoLayout())
251 {
252 Layout();
253 }
254 else
255 {
256 // no child: go out !
257 if (!GetChildren()->First()) return;
258
259 // do we have exactly one child?
260 wxWindow *child = (wxWindow *) NULL;
261 for(wxNode *node = GetChildren()->First(); node; node = node->Next())
262 {
263 wxWindow *win = (wxWindow *)node->Data();
264 if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog))
265 {
266 // it's the second one: do nothing
267 if (child) return;
268 child = win;
269 }
270 }
271
272 // yes: set it's size to fill all the frame
273 int client_x, client_y;
274 GetClientSize( &client_x, &client_y );
275 child->SetSize( 1, 1, client_x-2, client_y);
276 }
277}
278
fb1585ae 279void wxDialog::SetSize( int x, int y, int width, int height, int sizeFlags )
903f689b 280{
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281 wxASSERT_MSG( (m_widget != NULL), "invalid window" );
282
283 // Don't do anything for children of wxMDIChildFrame
284 if (!m_wxwindow) return;
285
286 if (m_resizing) return; // I don't like recursions
287 m_resizing = TRUE;
288
289 int old_x = m_x;
290 int old_y = m_y;
291 int old_width = m_width;
292 int old_height = m_height;
293
294 if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
295 {
296 if (x != -1) m_x = x;
297 if (y != -1) m_y = y;
298 if (width != -1) m_width = width;
299 if (height != -1) m_height = height;
300 }
301 else
302 {
303 m_x = x;
304 m_y = y;
305 m_width = width;
306 m_height = height;
307 }
308
309 if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
310 {
311 if (width == -1) m_width = 80;
312 }
313
314 if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
315 {
316 if (height == -1) m_height = 26;
317 }
318
319 if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
320 if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
321 if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
322 if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
323
324 if ((m_x != -1) || (m_y != -1))
325 {
326 if ((m_x != old_x) || (m_y != old_y))
327 gtk_widget_set_uposition( m_widget, m_x, m_y );
328 }
329
330 if ((m_width != old_width) || (m_height != old_height))
331 {
332 gtk_widget_set_usize( m_widget, m_width, m_height );
333 }
334
335 m_sizeSet = TRUE;
336
337 wxSizeEvent event( wxSize(m_width,m_height), GetId() );
338 event.SetEventObject( this );
e52f60e6 339 GetEventHandler()->ProcessEvent( event );
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340
341 m_resizing = FALSE;
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342}
343
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344void wxDialog::SetSize( int width, int height )
345{
346 SetSize( -1, -1, width, height, wxSIZE_USE_EXISTING );
347}
348
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349void wxDialog::Centre( int direction )
350{
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351 wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
352
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353 int x = 0;
354 int y = 0;
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355
356 if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
357 if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
358
359 Move( x, y );
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360}
361
debe6624 362bool wxDialog::Show( bool show )
c801d85f 363{
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364 if (!show && IsModal())
365 {
366 EndModal( wxID_CANCEL );
367 }
c801d85f 368
fb1585ae 369 wxWindow::Show( show );
c801d85f 370
fb1585ae 371 if (show) InitDialog();
c801d85f 372
fb1585ae 373 return TRUE;
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374}
375
43a18898 376bool wxDialog::IsModal() const
e1e955e1 377{
fb1585ae 378 return m_modalShowing;
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379}
380
381void wxDialog::SetModal( bool WXUNUSED(flag) )
c33c4050 382{
e1e955e1 383/*
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384 if (flag)
385 m_windowStyle |= wxDIALOG_MODAL;
386 else
387 if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL;
e1e955e1 388*/
fb1585ae 389 wxFAIL_MSG( "wxDialog:SetModal obsolete now" );
c33c4050 390}
c801d85f 391
43a18898 392int wxDialog::ShowModal()
c801d85f 393{
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394 if (IsModal())
395 {
396 wxFAIL_MSG( "wxDialog:ShowModal called twice" );
397 return GetReturnCode();
398 }
d355d3fe 399
fb1585ae 400 Show( TRUE );
d355d3fe 401
fb1585ae 402 m_modalShowing = TRUE;
d355d3fe 403
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404 gtk_grab_add( m_widget );
405 gtk_main();
406 gtk_grab_remove( m_widget );
d355d3fe 407
fb1585ae 408 return GetReturnCode();
c33c4050 409}
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410
411void wxDialog::EndModal( int retCode )
412{
fb1585ae 413 SetReturnCode( retCode );
d355d3fe 414
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415 if (!IsModal())
416 {
417 wxFAIL_MSG( "wxDialog:EndModal called twice" );
418 return;
419 }
b6af8d80 420
fb1585ae 421 m_modalShowing = FALSE;
d355d3fe 422
fb1585ae 423 gtk_main_quit();
5b011451 424
fb1585ae 425 Show( FALSE );
c33c4050 426}
c801d85f 427
43a18898 428void wxDialog::InitDialog()
c801d85f 429{
fb1585ae 430 wxWindow::InitDialog();
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431}
432
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433void wxDialog::SetIcon( const wxIcon &icon )
434{
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435 m_icon = icon;
436 if (!icon.Ok()) return;
c33c4050 437
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438 wxMask *mask = icon.GetMask();
439 GdkBitmap *bm = (GdkBitmap *) NULL;
440 if (mask) bm = mask->GetBitmap();
c33c4050 441
fb1585ae 442 gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
c33c4050 443}