don't crash in case of incorrectly specified parent type of MDI child frame (coverity...
[wxWidgets.git] / src / xrc / xh_mdi.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: xh_mdi.cpp
3 // Purpose: XRC resource for dialogs
4 // Author: David M. Falkinder & Vaclav Slavik
5 // Created: 14/02/2005
6 // RCS-ID: $Id$
7 // Copyright: (c) 2005 Vaclav Slavik
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_XRC && wxUSE_MDI
19
20 #include "wx/xrc/xh_mdi.h"
21 #include "wx/mdi.h"
22 #include "wx/dialog.h" // to get wxDEFAULT_DIALOG_STYLE
23 #include "wx/log.h"
24 #include "wx/intl.h"
25
26 IMPLEMENT_DYNAMIC_CLASS(wxMdiXmlHandler, wxXmlResourceHandler)
27
28 wxMdiXmlHandler::wxMdiXmlHandler() : wxXmlResourceHandler()
29 {
30 XRC_ADD_STYLE(wxSTAY_ON_TOP);
31 XRC_ADD_STYLE(wxCAPTION);
32 XRC_ADD_STYLE(wxDEFAULT_DIALOG_STYLE);
33 XRC_ADD_STYLE(wxDEFAULT_FRAME_STYLE);
34 XRC_ADD_STYLE(wxTHICK_FRAME);
35 XRC_ADD_STYLE(wxSYSTEM_MENU);
36 XRC_ADD_STYLE(wxRESIZE_BORDER);
37 XRC_ADD_STYLE(wxRESIZE_BOX);
38 XRC_ADD_STYLE(wxCLOSE_BOX);
39
40 XRC_ADD_STYLE(wxFRAME_NO_TASKBAR);
41 XRC_ADD_STYLE(wxFRAME_SHAPED);
42 XRC_ADD_STYLE(wxFRAME_TOOL_WINDOW);
43 XRC_ADD_STYLE(wxFRAME_FLOAT_ON_PARENT);
44 XRC_ADD_STYLE(wxMAXIMIZE_BOX);
45 XRC_ADD_STYLE(wxMINIMIZE_BOX);
46 XRC_ADD_STYLE(wxSTAY_ON_TOP);
47
48 XRC_ADD_STYLE(wxNO_3D);
49 XRC_ADD_STYLE(wxTAB_TRAVERSAL);
50 XRC_ADD_STYLE(wxWS_EX_VALIDATE_RECURSIVELY);
51 XRC_ADD_STYLE(wxFRAME_EX_METAL);
52
53 XRC_ADD_STYLE(wxHSCROLL);
54 XRC_ADD_STYLE(wxVSCROLL);
55 XRC_ADD_STYLE(wxMAXIMIZE);
56 XRC_ADD_STYLE(wxFRAME_NO_WINDOW_MENU);
57
58 AddWindowStyles();
59 }
60
61 wxWindow *wxMdiXmlHandler::CreateFrame()
62 {
63 if (m_class == wxT("wxMDIParentFrame"))
64 {
65 XRC_MAKE_INSTANCE(frame, wxMDIParentFrame);
66
67 frame->Create(m_parentAsWindow,
68 GetID(),
69 GetText(wxT("title")),
70 wxDefaultPosition, wxDefaultSize,
71 GetStyle(wxT("style"),
72 wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL),
73 GetName());
74 return frame;
75 }
76 else // wxMDIChildFrame
77 {
78 wxMDIParentFrame *mdiParent = wxDynamicCast(m_parent, wxMDIParentFrame);
79
80 if ( !mdiParent )
81 {
82 wxLogError(wxT("Parent of wxMDIParentFrame must be wxMDIParentFrame."));
83 return NULL;
84 }
85
86 XRC_MAKE_INSTANCE(frame, wxMDIChildFrame);
87
88 frame->Create(mdiParent,
89 GetID(),
90 GetText(wxT("title")),
91 wxDefaultPosition, wxDefaultSize,
92 GetStyle(wxT("style"), wxDEFAULT_FRAME_STYLE),
93 GetName());
94
95 return frame;
96 }
97 }
98
99 wxObject *wxMdiXmlHandler::DoCreateResource()
100 {
101 wxWindow *frame = CreateFrame();
102
103 if (HasParam(wxT("size")))
104 frame->SetClientSize(GetSize());
105 if (HasParam(wxT("pos")))
106 frame->Move(GetPosition());
107 if (HasParam(wxT("icon")))
108 {
109 wxFrame* f = wxDynamicCast(frame, wxFrame);
110 if (f)
111 f->SetIcon(GetIcon(wxT("icon"), wxART_FRAME_ICON));
112 }
113
114 SetupWindow(frame);
115
116 CreateChildren(frame);
117
118 if (GetBool(wxT("centered"), false))
119 frame->Centre();
120
121 return frame;
122 }
123
124 bool wxMdiXmlHandler::CanHandle(wxXmlNode *node)
125 {
126 return (IsOfClass(node, wxT("wxMDIParentFrame")) ||
127 IsOfClass(node, wxT("wxMDIChildFrame")));
128 }
129
130 #endif // wxUSE_XRC