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e9576ca5 SC |
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 | ||
519cb848 SC |
22 | #include <wx/mac/uma.h> |
23 | ||
e9576ca5 SC |
24 | // Lists to keep track of windows, so we can disable/enable them |
25 | // for modal dialogs | |
26 | wxList wxModalDialogs; | |
fe08e597 | 27 | //wxList wxModelessWindows; // Frames and modeless dialogs |
e9576ca5 SC |
28 | extern wxList wxPendingDelete; |
29 | ||
2f1ae414 | 30 | #if !USE_SHARED_LIBRARY |
a15eb0a5 | 31 | IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow) |
e9576ca5 | 32 | |
a15eb0a5 | 33 | BEGIN_EVENT_TABLE(wxDialog, wxTopLevelWindow) |
e9576ca5 SC |
34 | EVT_BUTTON(wxID_OK, wxDialog::OnOK) |
35 | EVT_BUTTON(wxID_APPLY, wxDialog::OnApply) | |
36 | EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel) | |
a15eb0a5 | 37 | |
e9576ca5 | 38 | EVT_CHAR_HOOK(wxDialog::OnCharHook) |
a15eb0a5 | 39 | |
e9576ca5 | 40 | EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged) |
a15eb0a5 | 41 | |
e9576ca5 SC |
42 | EVT_CLOSE(wxDialog::OnCloseWindow) |
43 | END_EVENT_TABLE() | |
44 | ||
2f1ae414 | 45 | #endif |
e9576ca5 SC |
46 | |
47 | wxDialog::wxDialog() | |
48 | { | |
2f1ae414 | 49 | m_isShown = FALSE; |
e9576ca5 SC |
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 | { | |
e9576ca5 SC |
60 | |
61 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); | |
e9576ca5 | 62 | |
e9576ca5 | 63 | |
a15eb0a5 SC |
64 | if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) ) |
65 | return FALSE; | |
e9576ca5 | 66 | |
2f1ae414 | 67 | MacCreateRealWindow( title , pos , size , MacRemoveBordersFromStyle(style) , name ) ; |
e9576ca5 | 68 | |
519cb848 | 69 | m_macWindowData->m_macWindowBackgroundTheme = kThemeBrushDialogBackgroundActive ; |
519cb848 | 70 | return TRUE; |
e9576ca5 SC |
71 | } |
72 | ||
73 | void wxDialog::SetModal(bool flag) | |
74 | { | |
2f1ae414 SC |
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 | } | |
e9576ca5 SC |
87 | } |
88 | ||
89 | wxDialog::~wxDialog() | |
90 | { | |
e7549107 | 91 | m_isBeingDeleted = TRUE ; |
a15eb0a5 | 92 | Show(FALSE); |
e9576ca5 SC |
93 | } |
94 | ||
a15eb0a5 | 95 | // By default, pressing escape cancels the dialog , on mac command-stop does the same thing |
e9576ca5 SC |
96 | void wxDialog::OnCharHook(wxKeyEvent& event) |
97 | { | |
a15eb0a5 SC |
98 | if ( |
99 | ( event.m_keyCode == WXK_ESCAPE || | |
100 | ( event.m_keyCode == '.' && event.MetaDown() ) ) | |
101 | && FindWindow(wxID_CANCEL) ) | |
e9576ca5 SC |
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 | ||
2f1ae414 | 115 | bool wxDialog::IsModal() const |
51abe921 | 116 | { |
2f1ae414 | 117 | return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0; |
51abe921 SC |
118 | } |
119 | ||
2f1ae414 SC |
120 | |
121 | bool wxDialog::IsModalShowing() const | |
51abe921 | 122 | { |
2f1ae414 | 123 | return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast |
51abe921 SC |
124 | } |
125 | ||
519cb848 | 126 | extern bool s_macIsInModalLoop ; |
e9576ca5 SC |
127 | |
128 | bool wxDialog::Show(bool show) | |
129 | { | |
2f1ae414 SC |
130 | if ( !wxDialogBase::Show(show) ) |
131 | { | |
132 | // nothing to do | |
133 | return FALSE; | |
134 | } | |
e9576ca5 | 135 | |
2f1ae414 SC |
136 | if ( show ) |
137 | { | |
138 | // usually will result in TransferDataToWindow() being called | |
139 | InitDialog(); | |
140 | } | |
e9576ca5 | 141 | |
2f1ae414 | 142 | if ( IsModal() ) |
e7549107 | 143 | { |
2f1ae414 SC |
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 | } | |
e7549107 | 155 | |
2f1ae414 | 156 | return TRUE; |
e9576ca5 SC |
157 | } |
158 | ||
2f1ae414 | 159 | void wxDialog::DoShowModal() |
51abe921 | 160 | { |
2f1ae414 | 161 | wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") ); |
51abe921 | 162 | |
2f1ae414 | 163 | wxModalDialogs.Append(this); |
51abe921 | 164 | |
2f1ae414 SC |
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 | ||
a49afa93 | 179 | bool formerModal = s_macIsInModalLoop ; |
2f1ae414 | 180 | s_macIsInModalLoop = true ; |
51abe921 | 181 | |
2f1ae414 SC |
182 | while ( IsModalShowing() ) |
183 | { | |
184 | while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() ) | |
185 | { | |
186 | } | |
187 | wxTheApp->MacDoOneEvent() ; | |
188 | } | |
189 | ||
a49afa93 | 190 | s_macIsInModalLoop = formerModal ; |
51abe921 | 191 | |
2f1ae414 | 192 | // TODO probably reenable the parent window if any |
51abe921 | 193 | |
2f1ae414 SC |
194 | // and restore focus |
195 | if ( winFocus ) | |
196 | { | |
197 | winFocus->SetFocus(); | |
198 | } | |
51abe921 | 199 | } |
519cb848 | 200 | |
2f1ae414 | 201 | |
e9576ca5 SC |
202 | // Replacement for Show(TRUE) for modal dialogs - returns return code |
203 | int wxDialog::ShowModal() | |
204 | { | |
519cb848 | 205 | m_windowStyle |= wxDIALOG_MODAL; |
51abe921 SC |
206 | Show(TRUE); |
207 | return GetReturnCode(); | |
e9576ca5 SC |
208 | } |
209 | ||
2f1ae414 SC |
210 | // NB: this function (surprizingly) may be called for both modal and modeless |
211 | // dialogs and should work for both of them | |
e9576ca5 SC |
212 | void wxDialog::EndModal(int retCode) |
213 | { | |
51abe921 SC |
214 | SetReturnCode(retCode); |
215 | Show(FALSE); | |
e9576ca5 SC |
216 | } |
217 | ||
218 | // Standard buttons | |
219 | void wxDialog::OnOK(wxCommandEvent& event) | |
220 | { | |
51abe921 SC |
221 | if ( Validate() && TransferDataFromWindow() ) |
222 | { | |
2f1ae414 | 223 | EndModal(wxID_OK); |
51abe921 | 224 | } |
e9576ca5 SC |
225 | } |
226 | ||
227 | void wxDialog::OnApply(wxCommandEvent& event) | |
228 | { | |
51abe921 SC |
229 | if (Validate()) |
230 | TransferDataFromWindow(); | |
231 | // TODO probably need to disable the Apply button until things change again | |
e9576ca5 SC |
232 | } |
233 | ||
234 | void wxDialog::OnCancel(wxCommandEvent& event) | |
235 | { | |
e9576ca5 | 236 | EndModal(wxID_CANCEL); |
7c74e7fe SC |
237 | } |
238 | ||
e3065973 | 239 | void wxDialog::OnCloseWindow(wxCloseEvent& event) |
e9576ca5 | 240 | { |
e3065973 | 241 | // We'll send a Cancel message by default, |
e9576ca5 | 242 | // which may close the dialog. |
e3065973 JS |
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. | |
e9576ca5 SC |
254 | |
255 | static wxList closing; | |
51abe921 | 256 | |
e9576ca5 | 257 | if ( closing.Member(this) ) |
e3065973 | 258 | return; |
51abe921 | 259 | |
e9576ca5 | 260 | closing.Append(this); |
51abe921 | 261 | |
e3065973 JS |
262 | wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); |
263 | cancelEvent.SetEventObject( this ); | |
264 | GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog | |
e9576ca5 SC |
265 | |
266 | closing.DeleteObject(this); | |
e9576ca5 SC |
267 | } |
268 | ||
e9576ca5 SC |
269 | void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event) |
270 | { | |
271 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); | |
272 | Refresh(); | |
273 | } | |
274 |