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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/app.h"
17 #include "wx/frame.h"
18 #include "wx/cursor.h"
19 #endif // WX_PRECOMP
20
21 #include "wx/evtloop.h"
22
23 #include <gdk/gdk.h>
24 #include <gtk/gtk.h>
25 #include <gdk/gdkkeysyms.h>
26
27 #include "wx/gtk/win_gtk.h"
28
29 //-----------------------------------------------------------------------------
30 // global data
31 //-----------------------------------------------------------------------------
32
33 extern int g_openDialogs;
34
35 //-----------------------------------------------------------------------------
36 // wxDialog
37 //-----------------------------------------------------------------------------
38
39 IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)
40
41 void wxDialog::Init()
42 {
43 m_returnCode = 0;
44 m_sizeSet = false;
45 m_modalShowing = false;
46 m_themeEnabled = true;
47 }
48
49 wxDialog::wxDialog( wxWindow *parent,
50 wxWindowID id, const wxString &title,
51 const wxPoint &pos, const wxSize &size,
52 long style, const wxString &name )
53 {
54 Init();
55
56 (void)Create( parent, id, title, pos, size, style, name );
57 }
58
59 bool wxDialog::Create( wxWindow *parent,
60 wxWindowID id, const wxString &title,
61 const wxPoint &pos, const wxSize &size,
62 long style, const wxString &name )
63 {
64 SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
65
66 // all dialogs should have tab traversal enabled
67 style |= wxTAB_TRAVERSAL;
68
69 return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name);
70 }
71
72 bool wxDialog::Show( bool show )
73 {
74 if (!show && IsModal())
75 {
76 EndModal( wxID_CANCEL );
77 }
78
79 if (show && !m_sizeSet)
80 {
81 /* by calling GtkOnSize here, we don't have to call
82 either after showing the frame, which would entail
83 much ugly flicker nor from within the size_allocate
84 handler, because GTK 1.1.X forbids that. */
85
86 GtkOnSize();
87 }
88
89 bool ret = wxWindow::Show( show );
90
91 if (show) InitDialog();
92
93 return ret;
94 }
95
96 bool wxDialog::IsModal() const
97 {
98 return m_modalShowing;
99 }
100
101 void wxDialog::SetModal( bool WXUNUSED(flag) )
102 {
103 wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
104 }
105
106 int wxDialog::ShowModal()
107 {
108 if (IsModal())
109 {
110 wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
111 return GetReturnCode();
112 }
113
114 // use the apps top level window as parent if none given unless explicitly
115 // forbidden
116 if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
117 {
118 wxWindow * const parent = GetParentForModalDialog();
119 if ( parent && parent != this )
120 {
121 gtk_window_set_transient_for( GTK_WINDOW(m_widget),
122 GTK_WINDOW(parent->m_widget) );
123 }
124 }
125
126 wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
127
128 Show( true );
129
130 m_modalShowing = true;
131
132 g_openDialogs++;
133
134 // NOTE: gtk_window_set_modal internally calls gtk_grab_add() !
135 gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE);
136
137 wxEventLoop().Run();
138
139 gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);
140
141 g_openDialogs--;
142
143 return GetReturnCode();
144 }
145
146 void wxDialog::EndModal( int retCode )
147 {
148 SetReturnCode( retCode );
149
150 if (!IsModal())
151 {
152 wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
153 return;
154 }
155
156 m_modalShowing = false;
157
158 gtk_main_quit();
159
160 Show( false );
161 }