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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
4/////////////////////////////////////////////////////////////////////////////
5
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6
7// For compilers that support precompilation, includes "wx/wx.h".
92a19c2e 8#include "wx/wxprec.h"
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9
10#ifdef __BORLANDC__
11#pragma hdrstop
12#endif
13
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14// for all others, include the necessary headers (this file is usually all you
15// need because it includes almost all "standard" wxWindows headers
5526e819 16#ifndef WX_PRECOMP
67547666 17#include "wx/wx.h"
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18#endif
19
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20#include "wx/image.h"
21#include "wx/html/htmlwin.h"
22#include "wx/html/htmprint.h"
5526e819 23
5526e819 24
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25// ----------------------------------------------------------------------------
26// private classes
27// ----------------------------------------------------------------------------
5526e819 28
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29// Define a new application type, each program should derive a class from wxApp
30class MyApp : public wxApp
31{
32 public:
33 // override base class virtuals
34 // ----------------------------
5526e819 35
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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)
5526e819 39
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40 virtual bool OnInit();
41};
5526e819 42
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43// Define a new frame type: this is going to be our main frame
44class MyFrame : public wxFrame
45{
46 public:
2f6c54eb 47 // ctor and dtor
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48
49 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
2f6c54eb 50 virtual ~MyFrame();
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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
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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;
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
80enum
81{
82 // menu items
83 Minimal_Quit = 1,
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84 Minimal_Print,
85 Minimal_Preview,
86 Minimal_PageSetup,
87 Minimal_PrintSetup,
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88 Minimal_Open,
89 Minimal_PrintSmall,
90 Minimal_PrintNormal,
91 Minimal_PrintHuge
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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.
102BEGIN_EVENT_TABLE(MyFrame, wxFrame)
103 EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
aec18ff7 104 EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
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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)
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110 EVT_MENU(Minimal_PrintSmall, MyFrame::OnPrintSmall)
111 EVT_MENU(Minimal_PrintNormal, MyFrame::OnPrintNormal)
112 EVT_MENU(Minimal_PrintHuge, MyFrame::OnPrintHuge)
3ce369e6 113END_EVENT_TABLE()
5526e819 114
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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)
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120IMPLEMENT_APP(MyApp)
121
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122// ============================================================================
123// implementation
124// ============================================================================
5526e819 125
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126// ----------------------------------------------------------------------------
127// the application class
128// ----------------------------------------------------------------------------
129// `Main program' equivalent: the program execution "starts" here
130bool MyApp::OnInit()
5526e819 131{
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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
5526e819 141
2b5f62a0 142 MyFrame *frame = new MyFrame(_("Printing test"),
3ce369e6 143 wxPoint(150, 50), wxSize(640, 480));
5526e819 144
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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);
5526e819 149
5526e819 150
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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}
5526e819 156
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157// ----------------------------------------------------------------------------
158// main frame
159// ----------------------------------------------------------------------------
5526e819 160
5526e819 161
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162// frame constructor
163MyFrame::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;
2b5f62a0 168 menuFile->Append(Minimal_Open, _("Open...\tCtrl-O"));
3ce369e6 169 menuFile->AppendSeparator();
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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..."));
3ce369e6 174 menuFile->AppendSeparator();
2b5f62a0 175 menuFile->Append(wxID_ABOUT, _("&About"));
3ce369e6 176 menuFile->AppendSeparator();
2b5f62a0 177 menuFile->Append(Minimal_Quit, _("&Exit"));
3ce369e6 178
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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
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184 // now append the freshly created menu to the menu bar...
185 wxMenuBar *menuBar = new wxMenuBar;
2b5f62a0 186 menuBar->Append(menuFile, _("&File"));
4eecf115 187 menuBar->Append(testFile, _("&Test"));
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188
189 // ... and attach this menu bar to the frame
190 SetMenuBar(menuBar);
191
192 CreateStatusBar(1);
193
194 m_Html = new wxHtmlWindow(this);
2b5f62a0 195 m_Html -> SetRelatedFrame(this, _("HTML : %s"));
3ce369e6 196 m_Html -> SetRelatedStatusBar(0);
2b5f62a0 197 m_Name = wxT("test.htm");
3ce369e6 198 m_Html -> LoadPage(m_Name);
5526e819 199
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200 m_Prn = new wxHtmlEasyPrinting(_("Easy Printing Demo"), this);
201 m_Prn -> SetHeader(m_Name + wxT("(@PAGENUM@/@PAGESCNT@)<hr>"), wxPAGE_ALL);
4eecf115 202
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203}
204
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205// frame destructor
206MyFrame::~MyFrame()
207{
208 delete m_Prn;
209 m_Prn = (wxHtmlEasyPrinting *) NULL;
210}
211
5526e819 212
3ce369e6 213// event handlers
5526e819 214
3ce369e6 215void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
5526e819 216{
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217 // TRUE is to force the frame to close
218 Close(TRUE);
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219}
220
5526e819 221
3ce369e6 222void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
5526e819 223{
2b5f62a0 224 wxMessageBox(_("HTML printing sample\n\n(c) Vaclav Slavik, 1999"));
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225}
226
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227
228void MyFrame::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
229{
3ce369e6 230 m_Prn -> PrinterSetup();
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231}
232
233
3ce369e6 234void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
5526e819 235{
3ce369e6 236 m_Prn -> PageSetup();
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237}
238
239
3ce369e6 240void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
5526e819 241{
3ce369e6 242 m_Prn -> PrintFile(m_Name);
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243}
244
5526e819 245
3ce369e6 246void MyFrame::OnPreview(wxCommandEvent& WXUNUSED(event))
5526e819 247{
3ce369e6 248 m_Prn -> PreviewFile(m_Name);
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249}
250
251
3ce369e6 252void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
5526e819 253{
2b5f62a0 254 wxFileDialog dialog(this, _("Open HTML page"), wxT(""), wxT(""), wxT("*.htm"), 0);
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255
256 if (dialog.ShowModal() == wxID_OK)
257 {
258 m_Name = dialog.GetPath();
259 m_Html -> LoadPage(m_Name);
2b5f62a0 260 m_Prn -> SetHeader(m_Name + wxT("(@PAGENUM@/@PAGESCNT@)<hr>"), wxPAGE_ALL);
3ce369e6 261 }
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262}
263
264
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265void 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
271void MyFrame::OnPrintNormal(wxCommandEvent& WXUNUSED(event))
272{
273 m_Prn->SetFonts(wxEmptyString, wxEmptyString, 0);
274}
275
276void MyFrame::OnPrintHuge(wxCommandEvent& WXUNUSED(event))
277{
278 int fontsizes[] = { 20, 26, 28, 30, 32, 40, 44 };
279 m_Prn->SetFonts(wxEmptyString, wxEmptyString, fontsizes);
280}