hook the docview-specific customization of event handling logic at TryValidator(...
[wxWidgets.git] / src / common / docmdi.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: docmdi.cpp
3 // Purpose: Frame classes for MDI document/view applications
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // For compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #if wxUSE_MDI_ARCHITECTURE
20
21 #include "wx/docmdi.h"
22
23 /*
24 * Docview MDI parent frame
25 */
26
27 IMPLEMENT_CLASS(wxDocMDIParentFrame, wxMDIParentFrame)
28
29 BEGIN_EVENT_TABLE(wxDocMDIParentFrame, wxMDIParentFrame)
30 EVT_MENU(wxID_EXIT, wxDocMDIParentFrame::OnExit)
31 EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocMDIParentFrame::OnMRUFile)
32 EVT_CLOSE(wxDocMDIParentFrame::OnCloseWindow)
33 END_EVENT_TABLE()
34
35 wxDocMDIParentFrame::wxDocMDIParentFrame()
36 {
37 Init();
38 }
39
40 wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
41 const wxPoint& pos, const wxSize& size, long style, const wxString& name)
42 {
43 Init();
44 Create(manager, frame, id, title, pos, size, style, name);
45 }
46
47 bool wxDocMDIParentFrame::Create(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
48 const wxPoint& pos, const wxSize& size, long style, const wxString& name)
49 {
50 m_docManager = manager;
51 return wxMDIParentFrame::Create(frame, id, title, pos, size, style, name);
52 }
53
54 void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
55 {
56 Close();
57 }
58
59 void wxDocMDIParentFrame::Init()
60 {
61 m_docManager = NULL;
62 }
63
64 void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event)
65 {
66 wxString f(m_docManager->GetHistoryFile(event.GetId() - wxID_FILE1));
67 if (!f.empty())
68 (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
69 }
70
71 bool wxDocMDIParentFrame::TryValidator(wxEvent& event)
72 {
73 return m_docManager && m_docManager->ProcessEventHere(event);
74 }
75
76 void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event)
77 {
78 if (m_docManager->Clear(!event.CanVeto()))
79 {
80 this->Destroy();
81 }
82 else
83 event.Veto();
84 }
85
86
87 /*
88 * Default document child frame for MDI children
89 */
90
91 IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame)
92
93 BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame)
94 EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate)
95 EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow)
96 END_EVENT_TABLE()
97
98 void wxDocMDIChildFrame::Init()
99 {
100 m_childDocument = (wxDocument*) NULL;
101 m_childView = (wxView*) NULL;
102 }
103
104 wxDocMDIChildFrame::wxDocMDIChildFrame()
105 {
106 Init();
107 }
108
109 wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID id,
110 const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
111 {
112 Init();
113 Create(doc, view, frame, id, title, pos, size, style, name);
114 }
115
116 bool wxDocMDIChildFrame::Create(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID id,
117 const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
118 {
119 m_childDocument = doc;
120 m_childView = view;
121 if (wxMDIChildFrame::Create(frame, id, title, pos, size, style, name))
122 {
123 if (view)
124 view->SetFrame(this);
125 return true;
126 }
127
128 return false;
129 }
130
131 wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
132 {
133 m_childView = (wxView *) NULL;
134 }
135
136 bool wxDocMDIChildFrame::TryValidator(wxEvent& event)
137 {
138 return m_childView && m_childView->ProcessEventHere(event);
139 }
140
141 void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
142 {
143 wxMDIChildFrame::OnActivate(event);
144
145 if (event.GetActive() && m_childView)
146 m_childView->Activate(event.GetActive());
147 }
148
149 void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
150 {
151 // Close view but don't delete the frame while doing so!
152 // ...since it will be deleted by wxWidgets if we return true.
153 if (m_childView)
154 {
155 bool ans = event.CanVeto()
156 ? m_childView->Close(false) // false means don't delete associated window
157 : true; // Must delete.
158
159 if (ans)
160 {
161 m_childView->Activate(false);
162 delete m_childView;
163 m_childView = (wxView *) NULL;
164 m_childDocument = (wxDocument *) NULL;
165
166 this->Destroy();
167 }
168 else
169 event.Veto();
170 }
171 else
172 event.Veto();
173 }
174
175 #endif
176 // wxUSE_DOC_VIEW_ARCHITECTURE
177