]> git.saurik.com Git - wxWidgets.git/blob - src/mac/dialog.cpp
Removed a bunch of unreachable BREAK statements that BCC compilation complains about.
[wxWidgets.git] / src / mac / dialog.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: dialog.cpp
3 // Purpose: wxDialog class
4 // Author: AUTHOR
5 // Modified by:
6 // Created: ??/??/98
7 // RCS-ID: $Id$
8 // Copyright: (c) AUTHOR
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifdef __GNUG__
13 #pragma implementation "dialog.h"
14 #endif
15
16 #include "wx/dialog.h"
17 #include "wx/utils.h"
18 #include "wx/frame.h"
19 #include "wx/app.h"
20 #include "wx/settings.h"
21
22 #include <wx/mac/uma.h>
23
24 // Lists to keep track of windows, so we can disable/enable them
25 // for modal dialogs
26 wxList wxModalDialogs;
27 //wxList wxModelessWindows; // Frames and modeless dialogs
28 extern wxList wxPendingDelete;
29
30 #if !USE_SHARED_LIBRARY
31 IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow)
32
33 BEGIN_EVENT_TABLE(wxDialog, wxTopLevelWindow)
34 EVT_BUTTON(wxID_OK, wxDialog::OnOK)
35 EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
36 EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
37
38 EVT_CHAR_HOOK(wxDialog::OnCharHook)
39
40 EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
41
42 EVT_CLOSE(wxDialog::OnCloseWindow)
43 END_EVENT_TABLE()
44
45 #endif
46
47 wxDialog::wxDialog()
48 {
49 m_isShown = FALSE;
50 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
51 }
52
53 bool wxDialog::Create(wxWindow *parent, wxWindowID id,
54 const wxString& title,
55 const wxPoint& pos,
56 const wxSize& size,
57 long style,
58 const wxString& name)
59 {
60
61 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
62
63
64 if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
65 return FALSE;
66
67 MacCreateRealWindow( title , pos , size , MacRemoveBordersFromStyle(style) , name ) ;
68
69 m_macWindowData->m_macWindowBackgroundTheme = kThemeBrushDialogBackgroundActive ;
70 return TRUE;
71 }
72
73 void wxDialog::SetModal(bool flag)
74 {
75 if ( flag )
76 {
77 m_windowStyle |= wxDIALOG_MODAL;
78
79 wxModelessWindows.DeleteObject(this);
80 }
81 else
82 {
83 m_windowStyle &= ~wxDIALOG_MODAL;
84
85 wxModelessWindows.Append(this);
86 }
87 }
88
89 wxDialog::~wxDialog()
90 {
91 m_isBeingDeleted = TRUE ;
92 Show(FALSE);
93 }
94
95 // By default, pressing escape cancels the dialog , on mac command-stop does the same thing
96 void wxDialog::OnCharHook(wxKeyEvent& event)
97 {
98 if (
99 ( event.m_keyCode == WXK_ESCAPE ||
100 ( event.m_keyCode == '.' && event.MetaDown() ) )
101 && FindWindow(wxID_CANCEL) )
102 {
103 // Behaviour changed in 2.0: we'll send a Cancel message
104 // to the dialog instead of Close.
105 wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
106 cancelEvent.SetEventObject( this );
107 GetEventHandler()->ProcessEvent(cancelEvent);
108
109 return;
110 }
111 // We didn't process this event.
112 event.Skip();
113 }
114
115 bool wxDialog::IsModal() const
116 {
117 return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0;
118 }
119
120
121 bool wxDialog::IsModalShowing() const
122 {
123 return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast
124 }
125
126 extern bool s_macIsInModalLoop ;
127
128 bool wxDialog::Show(bool show)
129 {
130 if ( !wxDialogBase::Show(show) )
131 {
132 // nothing to do
133 return FALSE;
134 }
135
136 if ( show )
137 {
138 // usually will result in TransferDataToWindow() being called
139 InitDialog();
140 }
141
142 if ( IsModal() )
143 {
144 if ( show )
145 {
146 DoShowModal();
147 }
148 else // end of modal dialog
149 {
150 // this will cause IsModalShowing() return FALSE and our local
151 // message loop will terminate
152 wxModalDialogs.DeleteObject(this);
153 }
154 }
155
156 return TRUE;
157 }
158
159 void wxDialog::DoShowModal()
160 {
161 wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") );
162
163 wxModalDialogs.Append(this);
164
165 wxWindow *parent = GetParent();
166
167 // remember where the focus was
168 wxWindow *winFocus = FindFocus();
169 if ( !winFocus )
170 {
171 winFocus = parent;
172 }
173 if ( !winFocus )
174 {
175 winFocus = wxTheApp->GetTopWindow();
176 }
177 // TODO : test whether parent gets disabled
178
179 bool formerModal = s_macIsInModalLoop ;
180 s_macIsInModalLoop = true ;
181
182 while ( IsModalShowing() )
183 {
184 while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() )
185 {
186 }
187 wxTheApp->MacDoOneEvent() ;
188 }
189
190 s_macIsInModalLoop = formerModal ;
191
192 // TODO probably reenable the parent window if any
193
194 // and restore focus
195 if ( winFocus )
196 {
197 winFocus->SetFocus();
198 }
199 }
200
201
202 // Replacement for Show(TRUE) for modal dialogs - returns return code
203 int wxDialog::ShowModal()
204 {
205 m_windowStyle |= wxDIALOG_MODAL;
206 Show(TRUE);
207 return GetReturnCode();
208 }
209
210 // NB: this function (surprizingly) may be called for both modal and modeless
211 // dialogs and should work for both of them
212 void wxDialog::EndModal(int retCode)
213 {
214 SetReturnCode(retCode);
215 Show(FALSE);
216 }
217
218 // Standard buttons
219 void wxDialog::OnOK(wxCommandEvent& event)
220 {
221 if ( Validate() && TransferDataFromWindow() )
222 {
223 EndModal(wxID_OK);
224 }
225 }
226
227 void wxDialog::OnApply(wxCommandEvent& event)
228 {
229 if (Validate())
230 TransferDataFromWindow();
231 // TODO probably need to disable the Apply button until things change again
232 }
233
234 void wxDialog::OnCancel(wxCommandEvent& event)
235 {
236 EndModal(wxID_CANCEL);
237 }
238
239 void wxDialog::OnCloseWindow(wxCloseEvent& event)
240 {
241 // We'll send a Cancel message by default,
242 // which may close the dialog.
243 // Check for looping if the Cancel event handler calls Close().
244
245 // Note that if a cancel button and handler aren't present in the dialog,
246 // nothing will happen when you close the dialog via the window manager, or
247 // via Close().
248 // We wouldn't want to destroy the dialog by default, since the dialog may have been
249 // created on the stack.
250 // However, this does mean that calling dialog->Close() won't delete the dialog
251 // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
252 // sure to destroy the dialog.
253 // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
254
255 static wxList closing;
256
257 if ( closing.Member(this) )
258 return;
259
260 closing.Append(this);
261
262 wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
263 cancelEvent.SetEventObject( this );
264 GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
265
266 closing.DeleteObject(this);
267 }
268
269 void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
270 {
271 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
272 Refresh();
273 }
274