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[wxWidgets.git] / samples / html / printing / printing.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: printimg.cpp
3// Purpose: wxHtmlEasyPrinting testing example
053950ae 4// Licence: wxWindows Licence
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5/////////////////////////////////////////////////////////////////////////////
6
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7
8// For compilers that support precompilation, includes "wx/wx.h".
92a19c2e 9#include "wx/wxprec.h"
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10
11#ifdef __BORLANDC__
12#pragma hdrstop
13#endif
14
3ce369e6 15// for all others, include the necessary headers (this file is usually all you
be5a51fb 16// need because it includes almost all "standard" wxWidgets headers
5526e819 17#ifndef WX_PRECOMP
67547666 18#include "wx/wx.h"
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19#endif
20
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21#include "wx/image.h"
22#include "wx/html/htmlwin.h"
23#include "wx/html/htmprint.h"
5526e819 24
5526e819 25
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26// ----------------------------------------------------------------------------
27// private classes
28// ----------------------------------------------------------------------------
5526e819 29
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30// Define a new application type, each program should derive a class from wxApp
31class MyApp : public wxApp
32{
33 public:
34 // override base class virtuals
35 // ----------------------------
5526e819 36
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37 // this one is called on application startup and is a good place for the app
38 // initialization (doing it here and not in the ctor allows to have an error
39 // return: if OnInit() returns false, the application terminates)
5526e819 40
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41 virtual bool OnInit();
42};
5526e819 43
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44// Define a new frame type: this is going to be our main frame
45class MyFrame : public wxFrame
46{
47 public:
2f6c54eb 48 // ctor and dtor
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49
50 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
2f6c54eb 51 virtual ~MyFrame();
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52
53 // event handlers (these functions should _not_ be virtual)
54 void OnQuit(wxCommandEvent& event);
55 void OnAbout(wxCommandEvent& event);
56
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57 void OnPageSetup(wxCommandEvent& event);
58 void OnPrint(wxCommandEvent& event);
59 void OnPreview(wxCommandEvent& event);
60 void OnOpen(wxCommandEvent& event);
61
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62 void OnPrintSmall(wxCommandEvent& event);
63 void OnPrintNormal(wxCommandEvent& event);
64 void OnPrintHuge(wxCommandEvent& event);
65
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66
67 private:
68 wxHtmlWindow *m_Html;
69 wxHtmlEasyPrinting *m_Prn;
70 wxString m_Name;
be5a51fb 71 // any class wishing to process wxWidgets events must use this macro
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72 DECLARE_EVENT_TABLE()
73};
74
75// ----------------------------------------------------------------------------
76// constants
77// ----------------------------------------------------------------------------
78
79// IDs for the controls and the menu commands
80enum
81{
82 // menu items
83 Minimal_Quit = 1,
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84 Minimal_Print,
85 Minimal_Preview,
86 Minimal_PageSetup,
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87 Minimal_Open,
88 Minimal_PrintSmall,
89 Minimal_PrintNormal,
90 Minimal_PrintHuge
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91
92};
93
94// ----------------------------------------------------------------------------
be5a51fb 95// event tables and other macros for wxWidgets
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96// ----------------------------------------------------------------------------
97
be5a51fb 98// the event tables connect the wxWidgets events with the functions (event
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99// handlers) which process them. It can be also done at run-time, but for the
100// simple menu events like this the static method is much simpler.
101BEGIN_EVENT_TABLE(MyFrame, wxFrame)
102 EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
aec18ff7 103 EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
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104 EVT_MENU(Minimal_Print, MyFrame::OnPrint)
105 EVT_MENU(Minimal_Preview, MyFrame::OnPreview)
106 EVT_MENU(Minimal_PageSetup, MyFrame::OnPageSetup)
3ce369e6 107 EVT_MENU(Minimal_Open, MyFrame::OnOpen)
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108 EVT_MENU(Minimal_PrintSmall, MyFrame::OnPrintSmall)
109 EVT_MENU(Minimal_PrintNormal, MyFrame::OnPrintNormal)
110 EVT_MENU(Minimal_PrintHuge, MyFrame::OnPrintHuge)
3ce369e6 111END_EVENT_TABLE()
5526e819 112
be5a51fb 113// Create a new application object: this macro will allow wxWidgets to create
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114// the application object during program execution (it's better than using a
115// static object for many reasons) and also declares the accessor function
116// wxGetApp() which will return the reference of the right type (i.e. MyApp and
117// not wxApp)
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118IMPLEMENT_APP(MyApp)
119
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120// ============================================================================
121// implementation
122// ============================================================================
5526e819 123
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124// ----------------------------------------------------------------------------
125// the application class
126// ----------------------------------------------------------------------------
127// `Main program' equivalent: the program execution "starts" here
9f37db42 128
3ce369e6 129bool MyApp::OnInit()
5526e819 130{
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131#if wxUSE_LIBPNG
132 wxImage::AddHandler(new wxPNGHandler);
133#endif
134#if wxUSE_LIBJPEG
135 wxImage::AddHandler(new wxJPEGHandler);
136#endif
137#if wxUSE_GIF
138 wxImage::AddHandler(new wxGIFHandler);
139#endif
5526e819 140
2b5f62a0 141 MyFrame *frame = new MyFrame(_("Printing test"),
16f26dad 142 wxDefaultPosition, wxSize(640, 480));
5526e819 143
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144 // Show it and tell the application that it's our main window
145 // @@@ what does it do exactly, in fact? is it necessary here?
348469c2 146 frame->Show(true);
3ce369e6 147 SetTopWindow(frame);
5526e819 148
5526e819 149
3ce369e6 150 // success: wxApp::OnRun() will be called which will enter the main message
348469c2 151 // loop and the application will run. If we returned false here, the
3ce369e6 152 // application would exit immediately.
348469c2 153 return true;
3ce369e6 154}
5526e819 155
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156// ----------------------------------------------------------------------------
157// main frame
158// ----------------------------------------------------------------------------
5526e819 159
5526e819 160
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161// frame constructor
162MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
348469c2 163 : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
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164{
165 // create a menu bar
166 wxMenu *menuFile = new wxMenu;
2b5f62a0 167 menuFile->Append(Minimal_Open, _("Open...\tCtrl-O"));
3ce369e6 168 menuFile->AppendSeparator();
2b5f62a0 169 menuFile->Append(Minimal_PageSetup, _("Page Setup"));
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170 menuFile->Append(Minimal_Print, _("Print..."));
171 menuFile->Append(Minimal_Preview, _("Preview..."));
3ce369e6 172 menuFile->AppendSeparator();
2b5f62a0 173 menuFile->Append(wxID_ABOUT, _("&About"));
3ce369e6 174 menuFile->AppendSeparator();
2b5f62a0 175 menuFile->Append(Minimal_Quit, _("&Exit"));
3ce369e6 176
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177 wxMenu *testFile = new wxMenu;
178 testFile->Append(Minimal_PrintSmall, _("Small Printer Fonts"));
179 testFile->Append(Minimal_PrintNormal, _("Normal Printer Fonts"));
180 testFile->Append(Minimal_PrintHuge, _("Huge Printer Fonts"));
181
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182 // now append the freshly created menu to the menu bar...
183 wxMenuBar *menuBar = new wxMenuBar;
2b5f62a0 184 menuBar->Append(menuFile, _("&File"));
4eecf115 185 menuBar->Append(testFile, _("&Test"));
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186
187 // ... and attach this menu bar to the frame
188 SetMenuBar(menuBar);
189
8520f137 190#if wxUSE_STATUSBAR
3ce369e6 191 CreateStatusBar(1);
8520f137 192#endif // wxUSE_STATUSBAR
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193
194 m_Html = new wxHtmlWindow(this);
2b5f62a0 195 m_Html -> SetRelatedFrame(this, _("HTML : %s"));
8520f137 196#if wxUSE_STATUSBAR
3ce369e6 197 m_Html -> SetRelatedStatusBar(0);
8520f137 198#endif // wxUSE_STATUSBAR
2b5f62a0 199 m_Name = wxT("test.htm");
3ce369e6 200 m_Html -> LoadPage(m_Name);
5526e819 201
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202 m_Prn = new wxHtmlEasyPrinting(_("Easy Printing Demo"), this);
203 m_Prn -> SetHeader(m_Name + wxT("(@PAGENUM@/@PAGESCNT@)<hr>"), wxPAGE_ALL);
4eecf115 204
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205 // To specify where the AFM files are kept on Unix,
206 // you may wish to do something like this
207 // m_Prn->GetPrintData()->SetFontMetricPath(wxT("/home/julians/afm"));
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208}
209
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210// frame destructor
211MyFrame::~MyFrame()
212{
213 delete m_Prn;
214 m_Prn = (wxHtmlEasyPrinting *) NULL;
215}
216
5526e819 217
3ce369e6 218// event handlers
5526e819 219
3ce369e6 220void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
5526e819 221{
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222 // true is to force the frame to close
223 Close(true);
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224}
225
5526e819 226
3ce369e6 227void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
5526e819 228{
2b5f62a0 229 wxMessageBox(_("HTML printing sample\n\n(c) Vaclav Slavik, 1999"));
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230}
231
5526e819 232
3ce369e6 233void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
5526e819 234{
3ce369e6 235 m_Prn -> PageSetup();
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236}
237
238
3ce369e6 239void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
5526e819 240{
3ce369e6 241 m_Prn -> PrintFile(m_Name);
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242}
243
5526e819 244
3ce369e6 245void MyFrame::OnPreview(wxCommandEvent& WXUNUSED(event))
5526e819 246{
3ce369e6 247 m_Prn -> PreviewFile(m_Name);
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248}
249
250
3ce369e6 251void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
5526e819 252{
2b5f62a0 253 wxFileDialog dialog(this, _("Open HTML page"), wxT(""), wxT(""), wxT("*.htm"), 0);
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254
255 if (dialog.ShowModal() == wxID_OK)
256 {
257 m_Name = dialog.GetPath();
258 m_Html -> LoadPage(m_Name);
2b5f62a0 259 m_Prn -> SetHeader(m_Name + wxT("(@PAGENUM@/@PAGESCNT@)<hr>"), wxPAGE_ALL);
3ce369e6 260 }
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261}
262
263
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264void MyFrame::OnPrintSmall(wxCommandEvent& WXUNUSED(event))
265{
266 int fontsizes[] = { 4, 6, 8, 10, 12, 20, 24 };
267 m_Prn->SetFonts(wxEmptyString, wxEmptyString, fontsizes);
268}
269
270void MyFrame::OnPrintNormal(wxCommandEvent& WXUNUSED(event))
271{
272 m_Prn->SetFonts(wxEmptyString, wxEmptyString, 0);
273}
274
275void MyFrame::OnPrintHuge(wxCommandEvent& WXUNUSED(event))
276{
277 int fontsizes[] = { 20, 26, 28, 30, 32, 40, 44 };
278 m_Prn->SetFonts(wxEmptyString, wxEmptyString, fontsizes);
279}