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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: test.cpp
3 // Purpose: wxHtml testing example
4 /////////////////////////////////////////////////////////////////////////////
5
6 #if defined(__GNUG__) && !defined(__APPLE__)
7 #pragma implementation "test.cpp"
8 #pragma interface "test.cpp"
9 #endif
10
11 // For compilers that support precompilation, includes "wx/wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 // for all others, include the necessary headers (this file is usually all you
19 // need because it includes almost all "standard" wxWidgets headers
20 #ifndef WX_PRECOMP
21 #include "wx/wx.h"
22 #endif
23
24 #include "wx/image.h"
25 #include "wx/imagpng.h"
26 #include "wx/wxhtml.h"
27 #include "wx/statline.h"
28
29 // ----------------------------------------------------------------------------
30 // private classes
31 // ----------------------------------------------------------------------------
32
33
34 // Define a new application type, each program should derive a class from wxApp
35 class MyApp : public wxApp
36 {
37 public:
38 // override base class virtuals
39 // ----------------------------
40
41 // this one is called on application startup and is a good place for the app
42 // initialization (doing it here and not in the ctor allows to have an error
43 // return: if OnInit() returns false, the application terminates)
44 virtual bool OnInit();
45 };
46
47 // Define a new frame type: this is going to be our main frame
48 class MyFrame : public wxFrame
49 {
50 public:
51 // ctor(s)
52 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
53
54 // event handlers (these functions should _not_ be virtual)
55 void OnQuit(wxCommandEvent& event);
56 void OnAbout(wxCommandEvent& event);
57
58 private:
59 // any class wishing to process wxWidgets events must use this macro
60 DECLARE_EVENT_TABLE()
61 };
62
63 // ----------------------------------------------------------------------------
64 // constants
65 // ----------------------------------------------------------------------------
66
67 // IDs for the controls and the menu commands
68 enum
69 {
70 // menu items
71 Minimal_Quit = 1,
72 Minimal_About,
73 Minimal_Back,
74 Minimal_Forward,
75
76 // controls start here (the numbers are, of course, arbitrary)
77 Minimal_Text = 1000
78 };
79
80 // ----------------------------------------------------------------------------
81 // event tables and other macros for wxWidgets
82 // ----------------------------------------------------------------------------
83
84 // the event tables connect the wxWidgets events with the functions (event
85 // handlers) which process them. It can be also done at run-time, but for the
86 // simple menu events like this the static method is much simpler.
87 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
88 EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
89 EVT_MENU(Minimal_About, MyFrame::OnAbout)
90 END_EVENT_TABLE()
91
92 // Create a new application object: this macro will allow wxWidgets to create
93 // the application object during program execution (it's better than using a
94 // static object for many reasons) and also declares the accessor function
95 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
96 // not wxApp)
97 IMPLEMENT_APP(MyApp)
98
99 // ============================================================================
100 // implementation
101 // ============================================================================
102
103 // ----------------------------------------------------------------------------
104 // the application class
105 // ----------------------------------------------------------------------------
106 // `Main program' equivalent: the program execution "starts" here
107 bool MyApp::OnInit()
108 {
109 wxImage::AddHandler(new wxPNGHandler);
110 // Create the main application window
111 MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"),
112 wxDefaultPosition, wxDefaultSize);
113
114 // Show it and tell the application that it's our main window
115 // @@@ what does it do exactly, in fact? is it necessary here?
116 frame->Show(true);
117 SetTopWindow(frame);
118
119
120 // success: wxApp::OnRun() will be called which will enter the main message
121 // loop and the application will run. If we returned false here, the
122 // application would exit immediately.
123 return true;
124 }
125
126 // ----------------------------------------------------------------------------
127 // main frame
128 // ----------------------------------------------------------------------------
129
130
131 // frame constructor
132 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
133 : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
134 {
135 // create a menu bar
136 wxMenu *menuFile = new wxMenu;
137
138 menuFile->Append(Minimal_About, _("&About"));
139 menuFile->Append(Minimal_Quit, _("E&xit"));
140
141 // now append the freshly created menu to the menu bar...
142 wxMenuBar *menuBar = new wxMenuBar;
143 menuBar->Append(menuFile, _("&File"));
144
145 // ... and attach this menu bar to the frame
146 SetMenuBar(menuBar);
147 }
148
149
150 // event handlers
151
152 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
153 {
154 // true is to force the frame to close
155 Close(true);
156 }
157
158 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
159 {
160 wxBoxSizer *topsizer;
161 wxHtmlWindow *html;
162 wxDialog dlg(this, wxID_ANY, wxString(_("About")));
163
164 topsizer = new wxBoxSizer(wxVERTICAL);
165
166 html = new wxHtmlWindow(&dlg, wxID_ANY, wxDefaultPosition, wxSize(380, 160), wxHW_SCROLLBAR_NEVER);
167 html -> SetBorders(0);
168 html -> LoadPage(wxT("data/about.htm"));
169 html -> SetSize(html -> GetInternalRepresentation() -> GetWidth(),
170 html -> GetInternalRepresentation() -> GetHeight());
171
172 topsizer -> Add(html, 1, wxALL, 10);
173
174 #if wxUSE_STATLINE
175 topsizer -> Add(new wxStaticLine(&dlg, wxID_ANY), 0, wxEXPAND | wxLEFT | wxRIGHT, 10);
176 #endif // wxUSE_STATLINE
177
178 wxButton *bu1 = new wxButton(&dlg, wxID_OK, _("OK"));
179 bu1 -> SetDefault();
180
181 topsizer -> Add(bu1, 0, wxALL | wxALIGN_RIGHT, 15);
182
183 dlg.SetSizer(topsizer);
184 topsizer -> Fit(&dlg);
185
186 dlg.ShowModal();
187 }
188