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[wxWidgets.git] / samples / html / printing / printing.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: printimg.cpp
3 // Purpose: wxHtmlEasyPrinting testing example
4 /////////////////////////////////////////////////////////////////////////////
5
6
7 // For compilers that support precompilation, includes "wx/wx.h".
8 #include "wx/wxprec.h"
9
10 #ifdef __BORLANDC__
11 #pragma hdrstop
12 #endif
13
14 // for all others, include the necessary headers (this file is usually all you
15 // need because it includes almost all "standard" wxWindows headers
16 #ifndef WX_PRECOMP
17 #include "wx/wx.h"
18 #endif
19
20 #include "wx/image.h"
21 #include "wx/html/htmlwin.h"
22 #include "wx/html/htmprint.h"
23
24
25 // ----------------------------------------------------------------------------
26 // private classes
27 // ----------------------------------------------------------------------------
28
29 // Define a new application type, each program should derive a class from wxApp
30 class MyApp : public wxApp
31 {
32 public:
33 // override base class virtuals
34 // ----------------------------
35
36 // this one is called on application startup and is a good place for the app
37 // initialization (doing it here and not in the ctor allows to have an error
38 // return: if OnInit() returns false, the application terminates)
39
40 virtual bool OnInit();
41 };
42
43 // Define a new frame type: this is going to be our main frame
44 class MyFrame : public wxFrame
45 {
46 public:
47 // ctor and dtor
48
49 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
50 virtual ~MyFrame();
51
52 // event handlers (these functions should _not_ be virtual)
53 void OnQuit(wxCommandEvent& event);
54 void OnAbout(wxCommandEvent& event);
55
56 void OnPrintSetup(wxCommandEvent& event);
57 void OnPageSetup(wxCommandEvent& event);
58 void OnPrint(wxCommandEvent& event);
59 void OnPreview(wxCommandEvent& event);
60 void OnOpen(wxCommandEvent& event);
61
62 void OnPrintSmall(wxCommandEvent& event);
63 void OnPrintNormal(wxCommandEvent& event);
64 void OnPrintHuge(wxCommandEvent& event);
65
66
67 private:
68 wxHtmlWindow *m_Html;
69 wxHtmlEasyPrinting *m_Prn;
70 wxString m_Name;
71 // any class wishing to process wxWindows events must use this macro
72 DECLARE_EVENT_TABLE()
73 };
74
75 // ----------------------------------------------------------------------------
76 // constants
77 // ----------------------------------------------------------------------------
78
79 // IDs for the controls and the menu commands
80 enum
81 {
82 // menu items
83 Minimal_Quit = 1,
84 Minimal_Print,
85 Minimal_Preview,
86 Minimal_PageSetup,
87 Minimal_PrintSetup,
88 Minimal_Open,
89 Minimal_PrintSmall,
90 Minimal_PrintNormal,
91 Minimal_PrintHuge
92
93 };
94
95 // ----------------------------------------------------------------------------
96 // event tables and other macros for wxWindows
97 // ----------------------------------------------------------------------------
98
99 // the event tables connect the wxWindows events with the functions (event
100 // handlers) which process them. It can be also done at run-time, but for the
101 // simple menu events like this the static method is much simpler.
102 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
103 EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
104 EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
105 EVT_MENU(Minimal_Print, MyFrame::OnPrint)
106 EVT_MENU(Minimal_Preview, MyFrame::OnPreview)
107 EVT_MENU(Minimal_PageSetup, MyFrame::OnPageSetup)
108 EVT_MENU(Minimal_PrintSetup, MyFrame::OnPrintSetup)
109 EVT_MENU(Minimal_Open, MyFrame::OnOpen)
110 EVT_MENU(Minimal_PrintSmall, MyFrame::OnPrintSmall)
111 EVT_MENU(Minimal_PrintNormal, MyFrame::OnPrintNormal)
112 EVT_MENU(Minimal_PrintHuge, MyFrame::OnPrintHuge)
113 END_EVENT_TABLE()
114
115 // Create a new application object: this macro will allow wxWindows to create
116 // the application object during program execution (it's better than using a
117 // static object for many reasons) and also declares the accessor function
118 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
119 // not wxApp)
120 IMPLEMENT_APP(MyApp)
121
122 // ============================================================================
123 // implementation
124 // ============================================================================
125
126 // ----------------------------------------------------------------------------
127 // the application class
128 // ----------------------------------------------------------------------------
129 // `Main program' equivalent: the program execution "starts" here
130 bool MyApp::OnInit()
131 {
132 #if wxUSE_LIBPNG
133 wxImage::AddHandler(new wxPNGHandler);
134 #endif
135 #if wxUSE_LIBJPEG
136 wxImage::AddHandler(new wxJPEGHandler);
137 #endif
138 #if wxUSE_GIF
139 wxImage::AddHandler(new wxGIFHandler);
140 #endif
141
142 MyFrame *frame = new MyFrame(_("Printing test"),
143 wxPoint(150, 50), wxSize(640, 480));
144
145 // Show it and tell the application that it's our main window
146 // @@@ what does it do exactly, in fact? is it necessary here?
147 frame->Show(TRUE);
148 SetTopWindow(frame);
149
150
151 // success: wxApp::OnRun() will be called which will enter the main message
152 // loop and the application will run. If we returned FALSE here, the
153 // application would exit immediately.
154 return TRUE;
155 }
156
157 // ----------------------------------------------------------------------------
158 // main frame
159 // ----------------------------------------------------------------------------
160
161
162 // frame constructor
163 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
164 : wxFrame((wxFrame *)NULL, -1, title, pos, size)
165 {
166 // create a menu bar
167 wxMenu *menuFile = new wxMenu;
168 menuFile->Append(Minimal_Open, _("Open...\tCtrl-O"));
169 menuFile->AppendSeparator();
170 menuFile->Append(Minimal_PageSetup, _("Page Setup"));
171 menuFile->Append(Minimal_PrintSetup, _("Printer Setup"));
172 menuFile->Append(Minimal_Print, _("Print..."));
173 menuFile->Append(Minimal_Preview, _("Preview..."));
174 menuFile->AppendSeparator();
175 menuFile->Append(wxID_ABOUT, _("&About"));
176 menuFile->AppendSeparator();
177 menuFile->Append(Minimal_Quit, _("&Exit"));
178
179 wxMenu *testFile = new wxMenu;
180 testFile->Append(Minimal_PrintSmall, _("Small Printer Fonts"));
181 testFile->Append(Minimal_PrintNormal, _("Normal Printer Fonts"));
182 testFile->Append(Minimal_PrintHuge, _("Huge Printer Fonts"));
183
184 // now append the freshly created menu to the menu bar...
185 wxMenuBar *menuBar = new wxMenuBar;
186 menuBar->Append(menuFile, _("&File"));
187 menuBar->Append(testFile, _("&Test"));
188
189 // ... and attach this menu bar to the frame
190 SetMenuBar(menuBar);
191
192 CreateStatusBar(1);
193
194 m_Html = new wxHtmlWindow(this);
195 m_Html -> SetRelatedFrame(this, _("HTML : %s"));
196 m_Html -> SetRelatedStatusBar(0);
197 m_Name = wxT("test.htm");
198 m_Html -> LoadPage(m_Name);
199
200 m_Prn = new wxHtmlEasyPrinting(_("Easy Printing Demo"), this);
201 m_Prn -> SetHeader(m_Name + wxT("(@PAGENUM@/@PAGESCNT@)<hr>"), wxPAGE_ALL);
202
203 }
204
205 // frame destructor
206 MyFrame::~MyFrame()
207 {
208 delete m_Prn;
209 m_Prn = (wxHtmlEasyPrinting *) NULL;
210 }
211
212
213 // event handlers
214
215 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
216 {
217 // TRUE is to force the frame to close
218 Close(TRUE);
219 }
220
221
222 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
223 {
224 wxMessageBox(_("HTML printing sample\n\n(c) Vaclav Slavik, 1999"));
225 }
226
227
228 void MyFrame::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
229 {
230 m_Prn -> PrinterSetup();
231 }
232
233
234 void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
235 {
236 m_Prn -> PageSetup();
237 }
238
239
240 void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
241 {
242 m_Prn -> PrintFile(m_Name);
243 }
244
245
246 void MyFrame::OnPreview(wxCommandEvent& WXUNUSED(event))
247 {
248 m_Prn -> PreviewFile(m_Name);
249 }
250
251
252 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
253 {
254 wxFileDialog dialog(this, _("Open HTML page"), wxT(""), wxT(""), wxT("*.htm"), 0);
255
256 if (dialog.ShowModal() == wxID_OK)
257 {
258 m_Name = dialog.GetPath();
259 m_Html -> LoadPage(m_Name);
260 m_Prn -> SetHeader(m_Name + wxT("(@PAGENUM@/@PAGESCNT@)<hr>"), wxPAGE_ALL);
261 }
262 }
263
264
265 void MyFrame::OnPrintSmall(wxCommandEvent& WXUNUSED(event))
266 {
267 int fontsizes[] = { 4, 6, 8, 10, 12, 20, 24 };
268 m_Prn->SetFonts(wxEmptyString, wxEmptyString, fontsizes);
269 }
270
271 void MyFrame::OnPrintNormal(wxCommandEvent& WXUNUSED(event))
272 {
273 m_Prn->SetFonts(wxEmptyString, wxEmptyString, 0);
274 }
275
276 void MyFrame::OnPrintHuge(wxCommandEvent& WXUNUSED(event))
277 {
278 int fontsizes[] = { 20, 26, 28, 30, 32, 40, 44 };
279 m_Prn->SetFonts(wxEmptyString, wxEmptyString, fontsizes);
280 }