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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk/dialog.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | // For compilers that support precompilation, includes "wx.h". | |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #include "wx/dialog.h" | |
14 | ||
15 | #ifndef WX_PRECOMP | |
16 | #include "wx/cursor.h" | |
17 | #endif // WX_PRECOMP | |
18 | ||
19 | #include "wx/evtloop.h" | |
20 | ||
21 | #include <gtk/gtk.h> | |
22 | ||
23 | // this is defined in src/gtk/toplevel.cpp | |
24 | extern int wxOpenModalDialogsCount; | |
25 | ||
26 | //----------------------------------------------------------------------------- | |
27 | // wxDialog | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow) | |
31 | ||
32 | void wxDialog::Init() | |
33 | { | |
34 | m_returnCode = 0; | |
35 | m_modalShowing = false; | |
36 | m_themeEnabled = true; | |
37 | } | |
38 | ||
39 | wxDialog::wxDialog( wxWindow *parent, | |
40 | wxWindowID id, const wxString &title, | |
41 | const wxPoint &pos, const wxSize &size, | |
42 | long style, const wxString &name ) | |
43 | { | |
44 | Init(); | |
45 | ||
46 | (void)Create( parent, id, title, pos, size, style, name ); | |
47 | } | |
48 | ||
49 | bool wxDialog::Create( wxWindow *parent, | |
50 | wxWindowID id, const wxString &title, | |
51 | const wxPoint &pos, const wxSize &size, | |
52 | long style, const wxString &name ) | |
53 | { | |
54 | SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG); | |
55 | ||
56 | // all dialogs should have tab traversal enabled | |
57 | style |= wxTAB_TRAVERSAL; | |
58 | ||
59 | return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name); | |
60 | } | |
61 | ||
62 | bool wxDialog::Show( bool show ) | |
63 | { | |
64 | if (!show && IsModal()) | |
65 | { | |
66 | EndModal( wxID_CANCEL ); | |
67 | } | |
68 | ||
69 | if (show && CanDoLayoutAdaptation()) | |
70 | DoLayoutAdaptation(); | |
71 | ||
72 | bool ret = wxWindow::Show( show ); | |
73 | ||
74 | if (show) InitDialog(); | |
75 | ||
76 | return ret; | |
77 | } | |
78 | ||
79 | bool wxDialog::IsModal() const | |
80 | { | |
81 | return m_modalShowing; | |
82 | } | |
83 | ||
84 | void wxDialog::SetModal( bool WXUNUSED(flag) ) | |
85 | { | |
86 | wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") ); | |
87 | } | |
88 | ||
89 | int wxDialog::ShowModal() | |
90 | { | |
91 | if (IsModal()) | |
92 | { | |
93 | wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") ); | |
94 | return GetReturnCode(); | |
95 | } | |
96 | ||
97 | // release the mouse if it's currently captured as the window having it | |
98 | // will be disabled when this dialog is shown -- but will still keep the | |
99 | // capture making it impossible to do anything in the modal dialog itself | |
100 | wxWindow * const win = wxWindow::GetCapture(); | |
101 | if ( win ) | |
102 | win->GTKReleaseMouseAndNotify(); | |
103 | ||
104 | // use the apps top level window as parent if none given unless explicitly | |
105 | // forbidden | |
106 | if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) ) | |
107 | { | |
108 | wxWindow * const parent = GetParentForModalDialog(); | |
109 | if ( parent && parent != this ) | |
110 | { | |
111 | gtk_window_set_transient_for( GTK_WINDOW(m_widget), | |
112 | GTK_WINDOW(parent->m_widget) ); | |
113 | } | |
114 | } | |
115 | ||
116 | wxBusyCursorSuspender cs; // temporarily suppress the busy cursor | |
117 | ||
118 | Show( true ); | |
119 | ||
120 | m_modalShowing = true; | |
121 | ||
122 | wxOpenModalDialogsCount++; | |
123 | ||
124 | // NOTE: gtk_window_set_modal internally calls gtk_grab_add() ! | |
125 | gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE); | |
126 | ||
127 | wxGUIEventLoop().Run(); | |
128 | ||
129 | gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE); | |
130 | ||
131 | wxOpenModalDialogsCount--; | |
132 | ||
133 | return GetReturnCode(); | |
134 | } | |
135 | ||
136 | void wxDialog::EndModal( int retCode ) | |
137 | { | |
138 | SetReturnCode( retCode ); | |
139 | ||
140 | if (!IsModal()) | |
141 | { | |
142 | wxFAIL_MSG( wxT("wxDialog:EndModal called twice") ); | |
143 | return; | |
144 | } | |
145 | ||
146 | m_modalShowing = false; | |
147 | ||
148 | gtk_main_quit(); | |
149 | ||
150 | Show( false ); | |
151 | } |