Include wx/dialog.h according to precompiled headers of wx/wx.h (with other minor...
[wxWidgets.git] / src / cocoa / dialog.mm
1 /////////////////////////////////////////////////////////////////////////////
2 // Name:        src/cocoa/dialog.mm
3 // Purpose:     wxDialog class
4 // Author:      David Elliott
5 // Modified by:
6 // Created:     2002/12/15
7 // RCS-ID:      $Id:
8 // Copyright:   2002 David Elliott
9 // Licence:     wxWidgets licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #include "wx/wxprec.h"
13
14 #include "wx/dialog.h"
15
16 #ifndef WX_PRECOMP
17     #include "wx/log.h"
18     #include "wx/app.h"
19     #include "wx/settings.h"
20 #endif //WX_PRECOMP
21
22 #include "wx/cocoa/autorelease.h"
23 #include "wx/cocoa/string.h"
24
25 #import <AppKit/NSPanel.h>
26 #import <AppKit/NSApplication.h>
27 #import <AppKit/NSEvent.h>
28 #import <Foundation/NSRunLoop.h>
29
30 // Lists to keep track of windows, so we can disable/enable them
31 // for modal dialogs
32 static wxWindowList wxModalDialogs;
33
34 IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow)
35
36 BEGIN_EVENT_TABLE(wxDialog, wxDialogBase)
37     EVT_BUTTON(wxID_OK, wxDialog::OnOK)
38     EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
39     EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
40     EVT_CLOSE(wxDialog::OnCloseWindow)
41 END_EVENT_TABLE()
42
43 WX_IMPLEMENT_COCOA_OWNER(wxDialog,NSPanel,NSWindow,NSWindow)
44
45 void wxDialog::Init()
46 {
47     m_isModal = false;
48     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
49 }
50
51 bool wxDialog::Create(wxWindow *parent, wxWindowID winid,
52            const wxString& title,
53            const wxPoint& pos,
54            const wxSize& size,
55            long style,
56            const wxString& name)
57 {
58     wxAutoNSAutoreleasePool pool;
59     wxTopLevelWindows.Append(this);
60
61     if(!CreateBase(parent,winid,pos,size,style,wxDefaultValidator,name))
62         return false;
63
64     if (parent)
65         parent->AddChild(this);
66
67     NSRect cocoaRect = NSMakeRect(300,300,200,200);
68
69     unsigned int cocoaStyle = 0;
70     cocoaStyle |= NSTitledWindowMask;
71     cocoaStyle |= NSClosableWindowMask;
72     cocoaStyle |= NSMiniaturizableWindowMask;
73     cocoaStyle |= NSResizableWindowMask;
74
75     m_cocoaNSWindow = NULL;
76     SetNSPanel([[NSPanel alloc] initWithContentRect:cocoaRect styleMask:cocoaStyle backing:NSBackingStoreBuffered defer:NO]);
77     // NOTE: SetNSWindow has retained the Cocoa object for this object.
78     // Because we do not release on close, the following release matches the
79     // above alloc and thus the retain count will be 1.
80     [m_cocoaNSWindow release];
81     wxLogTrace(wxTRACE_COCOA_RetainRelease,wxT("wxDialog m_cocoaNSWindow retainCount=%d"),[m_cocoaNSWindow retainCount]);
82     [m_cocoaNSWindow setTitle:wxNSStringWithWxString(title)];
83     [m_cocoaNSWindow setHidesOnDeactivate:NO];
84
85     return true;
86 }
87
88 wxDialog::~wxDialog()
89 {
90     DisassociateNSPanel(GetNSPanel());
91 }
92
93 void wxDialog::CocoaDelegate_windowWillClose(void)
94 {
95     m_closed = true;
96     /* Actually, this isn't true anymore */
97     wxLogTrace(wxTRACE_COCOA,wxT("Woah: Dialogs are not generally closed"));
98 }
99
100 void wxDialog::SetModal(bool flag)
101 {
102     wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
103 }
104
105 bool wxDialog::Show(bool show)
106 {
107     if(m_isShown == show)
108         return false;
109
110     if(show)
111     {
112         wxAutoNSAutoreleasePool pool;
113         InitDialog();
114         if(IsModal())
115         {   // ShowModal() will show the dialog
116             m_isShown = true;
117             return true;
118         }
119     }
120     else
121     {
122         if(IsModal())
123         {   // this doesn't hide the dialog, base class Show(false) does.
124             wxLogTrace(wxTRACE_COCOA,wxT("abortModal"));
125             [wxTheApp->GetNSApplication() abortModal];
126             wxModalDialogs.DeleteObject(this);
127             m_isModal = false;
128         }
129     }
130     return wxTopLevelWindow::Show(show);
131 }
132
133 // Shows the dialog and begins a modal event loop.  When the event loop
134 // is stopped (via EndModal()) it returns the exit code.
135 int wxDialog::ShowModal()
136 {
137     wxCHECK_MSG(!IsModal(),GetReturnCode(),wxT("wxDialog::ShowModal called within its own modal loop"));
138
139     // Show(true) will set m_isShown = true
140     m_isShown = false;
141     m_isModal = true;
142     wxModalDialogs.Append(this);
143
144     wxLogTrace(wxTRACE_COCOA,wxT("runModal"));
145     NSApplication *theNSApp = wxTheApp->GetNSApplication();
146     // If the app hasn't started, flush the event queue
147     // If we don't do this, the Dock doesn't get the message that
148     // the app has started so will refuse to activate it.
149     if(![theNSApp isRunning])
150     {
151         // We should only do a few iterations so one pool should be okay
152         wxAutoNSAutoreleasePool pool;
153         while(NSEvent *event = [theNSApp
154                     nextEventMatchingMask:NSAnyEventMask
155                     untilDate:[NSDate distantPast]
156                     inMode:NSDefaultRunLoopMode
157                     dequeue: YES])
158         {
159             [theNSApp sendEvent: event];
160         }
161     }
162
163     Show(true);
164     do {
165         wxAutoNSAutoreleasePool pool;
166         [wxTheApp->GetNSApplication() runModalForWindow:m_cocoaNSWindow];
167     } while(0);
168     wxLogTrace(wxTRACE_COCOA,wxT("runModal END"));
169
170     return GetReturnCode();
171 }
172
173 void wxDialog::EndModal(int retCode)
174 {
175     wxASSERT_MSG(IsModal(), wxT("EndModal() should only be used within ShowModal()"));
176     SetReturnCode(retCode);
177     Show(false);
178 }
179
180 void wxDialog::EndDialog(int retCode)
181 {
182     if(IsModal())
183         EndModal(retCode);
184     else
185         Show(false);
186 }
187
188 void wxDialog::OnCloseWindow(wxCloseEvent& event)
189 {
190     // We'll send a Cancel message by default,
191     // which may close the dialog.
192     // Check for looping if the Cancel event handler calls Close().
193
194     // Note that if a cancel button and handler aren't present in the dialog,
195     // nothing will happen when you close the dialog via the window manager, or
196     // via Close().
197     // We wouldn't want to destroy the dialog by default, since the dialog may have been
198     // created on the stack.
199     // However, this does mean that calling dialog->Close() won't delete the dialog
200     // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
201     // sure to destroy the dialog.
202     // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
203     // ALWAYS VETO THIS EVENT!!!!
204     event.Veto();
205
206     static wxList closing;
207
208     if ( closing.Member(this) )
209     {
210         wxLogDebug(wxT("WARNING: Attempting to recursively call Close for dialog"));
211         return;
212     }
213
214     closing.Append(this);
215
216     wxLogTrace(wxTRACE_COCOA,wxT("Sending Cancel Event"));
217     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
218     cancelEvent.SetEventObject( this );
219     GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
220
221     closing.DeleteObject(this);
222 }
223
224 // Standard buttons
225 void wxDialog::OnOK(wxCommandEvent& event)
226 {
227     if ( Validate() && TransferDataFromWindow() )
228     {
229         EndDialog(wxID_OK);
230     }
231 }
232
233 void wxDialog::OnApply(wxCommandEvent& event)
234 {
235     if (Validate())
236         TransferDataFromWindow();
237     // TODO probably need to disable the Apply button until things change again
238 }
239
240 void wxDialog::OnCancel(wxCommandEvent& event)
241 {
242     wxLogTrace(wxTRACE_COCOA,wxT("Cancelled!"));
243     EndDialog(wxID_CANCEL);
244 }