added test for wxXmlResource::Unload()
[wxWidgets.git] / samples / xrc / myframe.cpp
1 //-----------------------------------------------------------------------------
2 // Name: myframe.cpp
3 // Purpose: XML resources sample: A derived frame, called MyFrame
4 // Author: Robert O'Connor (rob@medicalmnemonics.com), Vaclav Slavik
5 // RCS-ID: $Id$
6 // Copyright: (c) Robert O'Connor and Vaclav Slavik
7 // Licence: wxWindows licence
8 //-----------------------------------------------------------------------------
9
10 //-----------------------------------------------------------------------------
11 // GCC implementation
12 //-----------------------------------------------------------------------------
13
14 #ifdef __GNUG__
15 #pragma implementation "myframe.h"
16 #endif
17
18 //-----------------------------------------------------------------------------
19 // Standard wxWidgets headers
20 //-----------------------------------------------------------------------------
21
22 // For compilers that support precompilation, includes "wx/wx.h".
23 #include "wx/wxprec.h"
24
25 #ifdef __BORLANDC__
26 #pragma hdrstop
27 #endif
28
29 // For all others, include the necessary headers (this file is usually all you
30 // need because it includes almost all "standard" wxWidgets headers)
31 #ifndef WX_PRECOMP
32 #include "wx/wx.h"
33 #endif
34
35 //-----------------------------------------------------------------------------
36 // Header of this .cpp file
37 //-----------------------------------------------------------------------------
38
39 #include "myframe.h"
40
41 //-----------------------------------------------------------------------------
42 // Remaining headers: Needed wx headers, then wx/contrib headers, then application headers
43 //-----------------------------------------------------------------------------
44
45 // Since setting an icon
46 #include "wx/image.h"
47
48 //-----------------------------------------------------------------------------
49
50 #include "wx/xrc/xmlres.h" // XRC XML resouces
51
52 //-----------------------------------------------------------------------------
53
54 // Our derived dialog for the derived dialog example.
55 #include "derivdlg.h"
56 // Our custom class, for the custom class example.
57 #include "custclas.h"
58 // For functions to manipulate our wxTreeCtrl and wxListCtrl
59 #include "wx/treectrl.h"
60 #include "wx/listctrl.h"
61
62 //-----------------------------------------------------------------------------
63 // Regular resources (the non-XRC kind).
64 //-----------------------------------------------------------------------------
65
66 // The application icon
67 // All non-MSW platforms use an xpm. MSW uses an .ico file
68 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__)
69 #include "rc/appicon.xpm"
70 #endif
71
72 //-----------------------------------------------------------------------------
73 // Event table: connect the events to the handler functions to process them
74 //-----------------------------------------------------------------------------
75
76 // The event tables connect the wxWidgets events with the functions (event
77 // handlers) which process them. It can be also done at run-time, but for the
78 // simple menu events like this the static method is much simpler.
79 // The reason why the menuitems and tools are given the same name in the
80 // XRC file, is that both a tool (a toolbar item) and a menuitem are designed
81 // to fire the same kind of event (an EVT_MENU) and thus I give them the same
82 // ID name to help new users emphasize this point which is often overlooked
83 // when starting out with wxWidgets.
84 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
85 EVT_MENU(XRCID("unload_resource_menuitem"), MyFrame::OnUnloadResourceMenuCommand)
86 EVT_MENU(XRCID("reload_resource_menuitem"), MyFrame::OnReloadResourceMenuCommand)
87 EVT_MENU(XRCID("exit_tool_or_menuitem"), MyFrame::OnExitToolOrMenuCommand)
88 EVT_MENU(XRCID("exit_tool_or_menuitem"), MyFrame::OnExitToolOrMenuCommand)
89 EVT_MENU(XRCID("non_derived_dialog_tool_or_menuitem"), MyFrame::OnNonDerivedDialogToolOrMenuCommand)
90 EVT_MENU(XRCID("derived_tool_or_menuitem"), MyFrame::OnDerivedDialogToolOrMenuCommand)
91 EVT_MENU(XRCID("controls_tool_or_menuitem"), MyFrame::OnControlsToolOrMenuCommand)
92 EVT_MENU(XRCID("uncentered_tool_or_menuitem"), MyFrame::OnUncenteredToolOrMenuCommand)
93 EVT_MENU(XRCID("custom_class_tool_or_menuitem"), MyFrame::OnCustomClassToolOrMenuCommand)
94 EVT_MENU(XRCID("platform_property_tool_or_menuitem"), MyFrame::OnPlatformPropertyToolOrMenuCommand)
95 EVT_MENU(XRCID("art_provider_tool_or_menuitem"), MyFrame::OnArtProviderToolOrMenuCommand)
96 EVT_MENU(XRCID("variable_expansion_tool_or_menuitem"), MyFrame::OnVariableExpansionToolOrMenuCommand)
97 EVT_MENU(XRCID("about_tool_or_menuitem"), MyFrame::OnAboutToolOrMenuCommand)
98 END_EVENT_TABLE()
99
100 //-----------------------------------------------------------------------------
101 // Public methods
102 //-----------------------------------------------------------------------------
103
104 // Constructor
105 MyFrame::MyFrame(wxWindow* parent)
106 {
107 // Load up this frame from XRC. [Note, instead of making a class's
108 // constructor take a wxWindow* parent with a default value of NULL,
109 // we could have just had designed MyFrame class with an empty
110 // constructor and then written here:
111 // wxXmlResource::Get()->LoadFrame(this, (wxWindow* )NULL, "main_frame");
112 // since this frame will always be the top window, and thus parentless.
113 // However, the current approach has source code that can be recycled
114 // for other frames that aren't the top level window.]
115 wxXmlResource::Get()->LoadFrame(this, parent, wxT("main_frame"));
116
117 // Set the icon for the frame.
118 SetIcon(wxICON(appicon));
119
120 // Load the menubar from XRC and set this frame's menubar to it.
121 SetMenuBar(wxXmlResource::Get()->LoadMenuBar(wxT("main_menu")));
122 // Load the toolbar from XRC and set this frame's toolbar to it.
123 // NOTE: For toolbars you currently should do it exactly like this.
124 // With toolbars, you currently can't create one, and set it later. It
125 // needs to be all in one step.
126 SetToolBar(wxXmlResource::Get()->LoadToolBar(this, wxT("main_toolbar")));
127
128 #if wxUSE_STATUSBAR
129 // Give the frame an optional statusbar. The '1' just means one field.
130 // A gripsizer will automatically get put on into the corner, if that
131 // is the normal OS behaviour for frames on that platform. Helptext
132 // for menu items and toolbar tools will automatically get displayed
133 // here.
134 CreateStatusBar( 1 );
135 #endif // wxUSE_STATUSBAR
136 }
137
138 //-----------------------------------------------------------------------------
139 // Private methods
140 //-----------------------------------------------------------------------------
141
142 void MyFrame::OnUnloadResourceMenuCommand(wxCommandEvent& WXUNUSED(event))
143 {
144 if ( wxXmlResource::Get()->Unload(wxT("rc/basicdlg.xrc")) )
145 wxLogMessage(_T("Basic dialog resource has now been unloaded, you ")
146 _T("won't be able to use it before loading it again"));
147 else
148 wxLogWarning(_T("Failed to unload basic dialog resource"));
149 }
150
151 void MyFrame::OnReloadResourceMenuCommand(wxCommandEvent& WXUNUSED(event))
152 {
153 if ( wxXmlResource::Get()->Load(wxT("rc/basicdlg.xrc")) )
154 wxLogStatus(_T("Basic dialog resource has been loaded."));
155 else
156 wxLogError(_T("Failed to load basic dialog resource"));
157 }
158
159 void MyFrame::OnExitToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
160 {
161 // true is to force the frame to close.
162 Close(true);
163 }
164
165
166 void MyFrame::OnNonDerivedDialogToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
167 {
168 wxDialog dlg;
169 // "non_derived_dialog" is the name of the wxDialog XRC node that should
170 // be loaded.
171 if ( wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("non_derived_dialog")) )
172 dlg.ShowModal();
173 }
174
175
176 void MyFrame::OnDerivedDialogToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
177 {
178 // Make an instance of our derived dialog, passing it "this" window
179 // (the main frame) as the parent of the dialog. This allows the dialog
180 // to be destructed automatically when the parent is destroyed.
181 PreferencesDialog preferencesDialog(this);
182 // Show the instance of the dialog, modally.
183 preferencesDialog.ShowModal();
184 }
185
186
187 void MyFrame::OnControlsToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
188 {
189 wxDialog dlg;
190 wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("controls_dialog"));
191
192 #if wxUSE_LISTCTRL
193 // There is no data in the listctrl. This will add some columns
194 // and some data. You don't need to use any pointers
195 // at all to manipulate the controls, just simply use the XRCCTL(...) macros.
196 // "controls_treectrl" is the name of this control in the XRC.
197 // (1) Insert a column, with the column header of "Name"
198 // (The '_' function around "Name" marks this string as one to translate).
199 XRCCTRL(dlg, "controls_listctrl", wxListCtrl)->InsertColumn( 0,
200 _("Name"),
201 wxLIST_FORMAT_LEFT,
202 ( 200 )
203 );
204 // (2) Insert some items into the listctrl
205 XRCCTRL(dlg, "controls_listctrl", wxListCtrl)->InsertItem(0,wxT("Todd Hope"));
206 XRCCTRL(dlg, "controls_listctrl", wxListCtrl)->InsertItem(1,wxT("Kim Wynd"));
207 XRCCTRL(dlg, "controls_listctrl", wxListCtrl)->InsertItem(2,wxT("Leon Li"));
208 #endif
209
210 #if wxUSE_TREECTRL
211 // There is no data in the tree ctrl. These lines will add some.
212 // (1) Instead of having to write out
213 // XRCCTRL(dlg, "controls_treectrl", wxTreeCtrl)->SomeFunction()
214 // each time (which is also OK), this example code will shown how
215 // to make a pointer to the XRC control, so we can use
216 // treectrl->SomeFunction() as a short cut. This is useful if you
217 // will be referring to this control often in the code.
218 wxTreeCtrl* treectrl = XRCCTRL(dlg, "controls_treectrl", wxTreeCtrl);
219 // (2) Add a root node
220 treectrl->AddRoot(_("Godfather"));
221 // (3)Append some items to the root node.
222 treectrl->AppendItem(treectrl->GetRootItem(), _("Evil henchman 1"));
223 treectrl->AppendItem(treectrl->GetRootItem(), _("Evil henchman 2"));
224 treectrl->AppendItem(treectrl->GetRootItem(), _("Evil accountant"));
225 #endif
226
227 // All done. Show the dialog.
228 dlg.ShowModal();
229 }
230
231
232 void MyFrame::OnUncenteredToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
233 {
234 wxDialog dlg;
235 wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("uncentered_dialog"));
236 dlg.ShowModal();
237 }
238
239
240 void MyFrame::OnCustomClassToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
241 {
242 wxDialog dlg;
243 wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("custom_class_dialog"));
244
245 // Make an instance of our new custom class.
246 MyResizableListCtrl* a_myResizableListCtrl = new MyResizableListCtrl(&dlg,
247 wxID_ANY,
248 wxDefaultPosition,
249 wxDefaultSize,
250 wxLC_REPORT,
251 wxDefaultValidator);
252
253 // "custom_control_placeholder" is the name of the "unknown" tag in the
254 // custctrl.xrc XRC file.
255 wxXmlResource::Get()->AttachUnknownControl(wxT("custom_control_placeholder"),
256 a_myResizableListCtrl);
257 dlg.ShowModal();
258 }
259
260
261 void MyFrame::OnPlatformPropertyToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
262 {
263 wxDialog dlg;
264 wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("platform_property_dialog"));
265 dlg.ShowModal();
266 }
267
268
269 void MyFrame::OnArtProviderToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
270 {
271 wxDialog dlg;
272 wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("art_provider_dialog"));
273 dlg.ShowModal();
274 }
275
276
277 void MyFrame::OnVariableExpansionToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
278 {
279 wxDialog dlg;
280 wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("variable_expansion_dialog"));
281 dlg.ShowModal();
282 }
283
284
285 void MyFrame::OnAboutToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
286 {
287 wxString msg;
288 msg.Printf( _T("This is the about dialog of XML resources demo.\n")
289 _T("Welcome to %s"), wxVERSION_STRING);
290
291 wxMessageBox(msg, _("About XML resources demo"), wxOK | wxICON_INFORMATION, this);
292 }