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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/osx/dialog_osx.cpp | |
3 | // Purpose: wxDialog class | |
4 | // Author: Stefan Csomor | |
5 | // Modified by: | |
6 | // Created: 1998-01-01 | |
7 | // RCS-ID: $Id: dialog.cpp 54820 2008-07-29 20:04:11Z SC $ | |
8 | // Copyright: (c) Stefan Csomor | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #include "wx/wxprec.h" | |
13 | ||
14 | #include "wx/dialog.h" | |
15 | #include "wx/evtloop.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/app.h" | |
19 | #include "wx/utils.h" | |
20 | #include "wx/frame.h" | |
21 | #include "wx/settings.h" | |
22 | #endif // WX_PRECOMP | |
23 | ||
24 | #include "wx/osx/private.h" | |
25 | ||
26 | static int s_openDialogs = 0; | |
27 | bool wxDialog::OSXHasModalDialogsOpen() | |
28 | { | |
29 | return s_openDialogs > 0; | |
30 | } | |
31 | ||
32 | void wxDialog::OSXBeginModalDialog() | |
33 | { | |
34 | s_openDialogs++; | |
35 | } | |
36 | ||
37 | void wxDialog::OSXEndModalDialog() | |
38 | { | |
39 | wxASSERT_MSG( s_openDialogs > 0, "incorrect internal modal dialog count"); | |
40 | s_openDialogs--; | |
41 | } | |
42 | ||
43 | ||
44 | IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow) | |
45 | ||
46 | void wxDialog::Init() | |
47 | { | |
48 | m_modality = wxDIALOG_MODALITY_NONE; | |
49 | m_eventLoop = NULL; | |
50 | } | |
51 | ||
52 | bool wxDialog::Create( wxWindow *parent, | |
53 | wxWindowID id, | |
54 | const wxString& title, | |
55 | const wxPoint& pos, | |
56 | const wxSize& size, | |
57 | long style, | |
58 | const wxString& name ) | |
59 | { | |
60 | SetExtraStyle( GetExtraStyle() | wxTOPLEVEL_EX_DIALOG ); | |
61 | ||
62 | // All dialogs should really have this style... | |
63 | style |= wxTAB_TRAVERSAL; | |
64 | ||
65 | // ...but not these styles | |
66 | style &= ~(wxYES | wxOK | wxNO); // | wxCANCEL | |
67 | ||
68 | if ( !wxTopLevelWindow::Create( parent, id, title, pos, size, style, name ) ) | |
69 | return false; | |
70 | ||
71 | return true; | |
72 | } | |
73 | ||
74 | wxDialog::~wxDialog() | |
75 | { | |
76 | SendDestroyEvent(); | |
77 | ||
78 | // if the dialog is modal, this will end its event loop | |
79 | Show(false); | |
80 | } | |
81 | ||
82 | // On mac command-stop does the same thing as Esc, let the base class know | |
83 | // about it | |
84 | bool wxDialog::IsEscapeKey(const wxKeyEvent& event) | |
85 | { | |
86 | if ( event.GetKeyCode() == '.' && event.GetModifiers() == wxMOD_CMD ) | |
87 | return true; | |
88 | ||
89 | return wxDialogBase::IsEscapeKey(event); | |
90 | } | |
91 | ||
92 | bool wxDialog::IsModal() const | |
93 | { | |
94 | return m_modality != wxDIALOG_MODALITY_NONE; | |
95 | } | |
96 | ||
97 | bool wxDialog::Show(bool show) | |
98 | { | |
99 | if ( m_modality == wxDIALOG_MODALITY_WINDOW_MODAL ) | |
100 | { | |
101 | if ( !wxWindow::Show(show) ) | |
102 | // nothing to do | |
103 | return false; | |
104 | } | |
105 | else | |
106 | { | |
107 | if ( !wxDialogBase::Show(show) ) | |
108 | // nothing to do | |
109 | return false; | |
110 | } | |
111 | ||
112 | if (show && CanDoLayoutAdaptation()) | |
113 | DoLayoutAdaptation(); | |
114 | ||
115 | if ( show ) | |
116 | // usually will result in TransferDataToWindow() being called | |
117 | InitDialog(); | |
118 | ||
119 | if ( !show ) | |
120 | { | |
121 | switch( m_modality ) | |
122 | { | |
123 | case wxDIALOG_MODALITY_WINDOW_MODAL: | |
124 | EndWindowModal(); // OS X implementation method for cleanup | |
125 | SendWindowModalDialogEvent ( wxEVT_WINDOW_MODAL_DIALOG_CLOSED ); | |
126 | break; | |
127 | default: | |
128 | break; | |
129 | } | |
130 | m_modality = wxDIALOG_MODALITY_NONE; | |
131 | } | |
132 | ||
133 | return true; | |
134 | } | |
135 | ||
136 | // Replacement for Show(true) for modal dialogs - returns return code | |
137 | int wxDialog::ShowModal() | |
138 | { | |
139 | m_modality = wxDIALOG_MODALITY_APP_MODAL; | |
140 | ||
141 | Show(); | |
142 | ||
143 | wxModalEventLoop modalLoop(this); | |
144 | m_eventLoop = &modalLoop; | |
145 | ||
146 | wxDialog::OSXBeginModalDialog(); | |
147 | modalLoop.Run(); | |
148 | wxDialog::OSXEndModalDialog(); | |
149 | ||
150 | m_eventLoop = NULL; | |
151 | ||
152 | return GetReturnCode(); | |
153 | } | |
154 | ||
155 | void wxDialog::ShowWindowModal() | |
156 | { | |
157 | m_modality = wxDIALOG_MODALITY_WINDOW_MODAL; | |
158 | ||
159 | Show(); | |
160 | ||
161 | DoShowWindowModal(); | |
162 | } | |
163 | ||
164 | wxDialogModality wxDialog::GetModality() const | |
165 | { | |
166 | return m_modality; | |
167 | } | |
168 | ||
169 | // NB: this function (surprisingly) may be called for both modal and modeless | |
170 | // dialogs and should work for both of them | |
171 | void wxDialog::EndModal(int retCode) | |
172 | { | |
173 | if ( m_eventLoop ) | |
174 | m_eventLoop->Exit(retCode); | |
175 | ||
176 | SetReturnCode(retCode); | |
177 | Show(false); | |
178 | } | |
179 |