/////////////////////////////////////////////////////////////////////////////
// Name: test.cpp
// Purpose: wxHtml testing example
+// Author: Vaclav Slavik
+// Created: 1999-07-07
+// RCS-ID: $Id$
+// Copyright: (c) Vaclav Slavik
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "test.cpp"
- #pragma interface "test.cpp"
-#endif
-
// For compilers that support precompilation, includes "wx/wx.h".
-#include <wx/wxprec.h>
+#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
-// for all others, include the necessary headers (this file is usually all you
-// need because it includes almost all "standard" wxWindows headers
+// For all others, include the necessary headers (this file is usually all you
+// need because it includes almost all "standard" wxWidgets headers
#ifndef WX_PRECOMP
- #include <wx/wx.h>
+ #include "wx/wx.h"
#endif
-#include <wx/image.h>
-#include <wx/html/htmlwin.h>
-#include <wx/fs_inet.h>
+#include "wx/image.h"
+#include "wx/sysopt.h"
+#include "wx/html/htmlwin.h"
+#include "wx/html/htmlproc.h"
+#include "wx/fs_inet.h"
+#include "wx/filedlg.h"
+#include "wx/utils.h"
+#include "wx/clipbrd.h"
+#include "wx/dataobj.h"
+#include "wx/stopwatch.h"
+
+#include "../../sample.xpm"
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
- class MyApp : public wxApp
- {
- public:
- // override base class virtuals
- // ----------------------------
-
- // this one is called on application startup and is a good place for the app
- // initialization (doing it here and not in the ctor allows to have an error
- // return: if OnInit() returns false, the application terminates)
- virtual bool OnInit();
- };
+class MyApp : public wxApp
+{
+public:
+ virtual bool OnInit();
+};
+
+// Define a new html window type: this is a wrapper for handling wxHtmlWindow events
+class MyHtmlWindow : public wxHtmlWindow
+{
+public:
+ MyHtmlWindow(wxWindow *parent) : wxHtmlWindow( parent )
+ {
+ // no custom background initially to avoid confusing people
+ m_drawCustomBg = false;
+ }
+
+ virtual wxHtmlOpeningStatus OnOpeningURL(wxHtmlURLType WXUNUSED(type),
+ const wxString& WXUNUSED(url),
+ wxString *WXUNUSED(redirect)) const;
+
+ // toggle drawing of custom background
+ void DrawCustomBg(bool draw)
+ {
+ m_drawCustomBg = draw;
+ Refresh();
+ }
+
+private:
+#if wxUSE_CLIPBOARD
+ void OnClipboardEvent(wxClipboardTextEvent& event);
+#endif // wxUSE_CLIPBOARD
+ void OnEraseBgEvent(wxEraseEvent& event);
+
+ bool m_drawCustomBg;
+
+ DECLARE_EVENT_TABLE()
+ wxDECLARE_NO_COPY_CLASS(MyHtmlWindow);
+};
// Define a new frame type: this is going to be our main frame
- class MyFrame : public wxFrame
- {
- public:
+class MyFrame : public wxFrame
+{
+public:
// ctor(s)
- MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
-
+ MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+
// event handlers (these functions should _not_ be virtual)
- void OnQuit(wxCommandEvent& event);
- void OnPageOpen(wxCommandEvent& event);
- void OnBack(wxCommandEvent& event);
- void OnForward(wxCommandEvent& event);
-
- private:
- wxHtmlWindow *m_Html;
- // any class wishing to process wxWindows events must use this macro
+ void OnQuit(wxCommandEvent& event);
+ void OnPageOpen(wxCommandEvent& event);
+ void OnDefaultLocalBrowser(wxCommandEvent& event);
+ void OnDefaultWebBrowser(wxCommandEvent& event);
+ void OnBack(wxCommandEvent& event);
+ void OnForward(wxCommandEvent& event);
+ void OnProcessor(wxCommandEvent& event);
+ void OnDrawCustomBg(wxCommandEvent& event);
+
+ void OnHtmlLinkClicked(wxHtmlLinkEvent& event);
+ void OnHtmlCellHover(wxHtmlCellEvent &event);
+ void OnHtmlCellClicked(wxHtmlCellEvent &event);
+
+private:
+ MyHtmlWindow *m_Html;
+ wxHtmlProcessor *m_Processor;
+
+ // Any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
- };
+};
+
+
+class BoldProcessor : public wxHtmlProcessor
+{
+public:
+ virtual wxString Process(const wxString& s) const
+ {
+ wxString r(s);
+ r.Replace(wxT("<b>"), wxEmptyString);
+ r.Replace(wxT("<B>"), wxEmptyString);
+ r.Replace(wxT("</b>"), wxEmptyString);
+ r.Replace(wxT("</B>"), wxEmptyString);
+
+ return r;
+ }
+};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
- enum
- {
+enum
+{
// menu items
- Minimal_Quit = 1,
- Minimal_PageOpen,
- Minimal_Back,
- Minimal_Forward,
-
- // controls start here (the numbers are, of course, arbitrary)
- Minimal_Text = 1000
- };
+ ID_PageOpen = wxID_HIGHEST,
+ ID_DefaultLocalBrowser,
+ ID_DefaultWebBrowser,
+ ID_Back,
+ ID_Forward,
+ ID_Processor,
+ ID_DrawCustomBg
+};
// ----------------------------------------------------------------------------
-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
-// the event tables connect the wxWindows events with the functions (event
-// handlers) which process them. It can be also done at run-time, but for the
-// simple menu events like this the static method is much simpler.
- BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
- EVT_MENU(Minimal_PageOpen, MyFrame::OnPageOpen)
- EVT_MENU(Minimal_Back, MyFrame::OnBack)
- EVT_MENU(Minimal_Forward, MyFrame::OnForward)
- END_EVENT_TABLE()
-
- // Create a new application object: this macro will allow wxWindows to create
- // the application object during program execution (it's better than using a
- // static object for many reasons) and also declares the accessor function
- // wxGetApp() which will return the reference of the right type (i.e. MyApp and
- // not wxApp)
- IMPLEMENT_APP(MyApp)
-
- // ============================================================================
- // implementation
- // ============================================================================
-
- // ----------------------------------------------------------------------------
- // the application class
- // ----------------------------------------------------------------------------
- // `Main program' equivalent: the program execution "starts" here
- bool MyApp::OnInit()
- {
- wxInitAllImageHandlers();
- #if wxUSE_FS_INET && wxUSE_STREAMS && wxUSE_SOCKETS
- wxFileSystem::AddHandler(new wxInternetFSHandler);
- #endif
-
- SetVendorName("wxWindows");
- SetAppName("wxHtmlTest");
- // the following call to wxConfig::Get will use it to create an object...
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
+ EVT_MENU(ID_PageOpen, MyFrame::OnPageOpen)
+ EVT_MENU(ID_DefaultLocalBrowser, MyFrame::OnDefaultLocalBrowser)
+ EVT_MENU(ID_DefaultWebBrowser, MyFrame::OnDefaultWebBrowser)
+ EVT_MENU(ID_Back, MyFrame::OnBack)
+ EVT_MENU(ID_Forward, MyFrame::OnForward)
+ EVT_MENU(ID_Processor, MyFrame::OnProcessor)
+ EVT_MENU(ID_DrawCustomBg, MyFrame::OnDrawCustomBg)
+
+ EVT_HTML_LINK_CLICKED(wxID_ANY, MyFrame::OnHtmlLinkClicked)
+ EVT_HTML_CELL_HOVER(wxID_ANY, MyFrame::OnHtmlCellHover)
+ EVT_HTML_CELL_CLICKED(wxID_ANY, MyFrame::OnHtmlCellClicked)
+END_EVENT_TABLE()
+
+IMPLEMENT_APP(MyApp)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the application class
+// ----------------------------------------------------------------------------
+
+// `Main program' equivalent: the program execution "starts" here
+bool MyApp::OnInit()
+{
+ if ( !wxApp::OnInit() )
+ return false;
+
+#if wxUSE_SYSTEM_OPTIONS
+ wxSystemOptions::SetOption(wxT("no-maskblt"), 1);
+#endif
+
+ wxInitAllImageHandlers();
+#if wxUSE_FS_INET && wxUSE_STREAMS && wxUSE_SOCKETS
+ wxFileSystem::AddHandler(new wxInternetFSHandler);
+#endif
+
+ SetVendorName(wxT("wxWidgets"));
+ SetAppName(wxT("wxHtmlTest"));
+ // the following call to wxConfig::Get will use it to create an object...
// Create the main application window
- MyFrame *frame = new MyFrame("wxHtmlWindow testing application",
- wxPoint(50, 50), wxSize(640, 480));
-
- // Show it and tell the application that it's our main window
- // @@@ what does it do exactly, in fact? is it necessary here?
- frame->Show(TRUE);
- SetTopWindow(frame);
-
-
- // success: wxApp::OnRun() will be called which will enter the main message
- // loop and the application will run. If we returned FALSE here, the
- // application would exit immediately.
- return TRUE;
- }
+ MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"),
+ wxDefaultPosition, wxSize(640, 480));
+
+ frame->Show();
+
+ return true /* continue running */;
+}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
-
// frame constructor
- MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
- : wxFrame((wxFrame *)NULL, -1, title, pos, size, wxDEFAULT_FRAME_STYLE, "html_test_app")
- {
+MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+ : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size,
+ wxDEFAULT_FRAME_STYLE, wxT("html_test_app"))
+{
// create a menu bar
- wxMenu *menuFile = new wxMenu;
- wxMenu *menuNav = new wxMenu;
-
- menuFile->Append(Minimal_PageOpen, "&Open HTML page...");
- menuFile->AppendSeparator();
- menuFile->Append(Minimal_Quit, "&Close frame");
- menuNav->Append(Minimal_Back, "Go &BACK");
- menuNav->Append(Minimal_Forward, "Go &FORWARD");
+ wxMenu *menuFile = new wxMenu;
+ wxMenu *menuNav = new wxMenu;
+
+ menuFile->Append(ID_PageOpen, _("&Open HTML page...\tCtrl-O"));
+ menuFile->Append(ID_DefaultLocalBrowser, _("&Open current page with default browser"));
+ menuFile->Append(ID_DefaultWebBrowser, _("Open a &web page with default browser"));
+ menuFile->AppendSeparator();
+ menuFile->Append(ID_Processor, _("&Remove bold attribute"),
+ wxEmptyString, wxITEM_CHECK);
+ menuFile->AppendSeparator();
+ menuFile->AppendCheckItem(ID_DrawCustomBg, "&Draw custom background");
+ menuFile->AppendSeparator();
+ menuFile->Append(wxID_EXIT, _("&Close frame"));
+ menuNav->Append(ID_Back, _("Go &BACK"));
+ menuNav->Append(ID_Forward, _("Go &FORWARD"));
// now append the freshly created menu to the menu bar...
- wxMenuBar *menuBar = new wxMenuBar;
- menuBar->Append(menuFile, "&File");
- menuBar->Append(menuNav, "&Navigate");
+ wxMenuBar *menuBar = new wxMenuBar;
+ menuBar->Append(menuFile, _("&File"));
+ menuBar->Append(menuNav, _("&Navigate"));
// ... and attach this menu bar to the frame
- SetMenuBar(menuBar);
-
- CreateStatusBar(1);
+ SetMenuBar(menuBar);
- m_Html = new wxHtmlWindow(this);
- m_Html -> SetRelatedFrame(this, "HTML : %s");
- m_Html -> SetRelatedStatusBar(0);
- m_Html -> ReadCustomization(wxConfig::Get());
- m_Html -> LoadPage("test.htm");
- }
+ SetIcon(wxIcon(sample_xpm));
+#if wxUSE_ACCEL
+ // Create convenient accelerators for Back and Forward navigation
+ wxAcceleratorEntry entries[2];
+ entries[0].Set(wxACCEL_ALT, WXK_LEFT, ID_Back);
+ entries[1].Set(wxACCEL_ALT, WXK_RIGHT, ID_Forward);
-// event handlers
+ wxAcceleratorTable accel(WXSIZEOF(entries), entries);
+ SetAcceleratorTable(accel);
+#endif // wxUSE_ACCEL
- void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
- {
- // TRUE is to force the frame to close
- m_Html -> WriteCustomization(wxConfig::Get());
- delete wxConfig::Set(NULL);
- Close(TRUE);
- }
+#if wxUSE_STATUSBAR
+ CreateStatusBar(2);
+#endif // wxUSE_STATUSBAR
- void MyFrame::OnPageOpen(wxCommandEvent& WXUNUSED(event))
- {
- wxString p = wxFileSelector("Open HTML document", "", "", "", "HTML files|*.htm");
- if (p != wxEmptyString)
- m_Html -> LoadPage(p);
- }
+ m_Processor = new BoldProcessor;
+ m_Processor->Enable(false);
+ m_Html = new MyHtmlWindow(this);
+ m_Html->SetRelatedFrame(this, _("HTML : %s"));
+#if wxUSE_STATUSBAR
+ m_Html->SetRelatedStatusBar(1);
+#endif // wxUSE_STATUSBAR
+ m_Html->ReadCustomization(wxConfig::Get());
+ m_Html->LoadFile(wxFileName(wxT("test.htm")));
+ m_Html->AddProcessor(m_Processor);
+ wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, wxT(""),
+ wxDefaultPosition, wxDefaultSize,
+ wxTE_MULTILINE);
+ delete wxLog::SetActiveTarget(new wxLogTextCtrl(text));
- void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))
- {
- if (!m_Html -> HistoryBack()) wxMessageBox("You reached prehistory era!");
- }
+ wxSizer *sz = new wxBoxSizer(wxVERTICAL);
+ sz->Add(m_Html, 3, wxGROW);
+ sz->Add(text, 1, wxGROW);
+ SetSizer(sz);
+}
- void MyFrame::OnForward(wxCommandEvent& WXUNUSED(event))
- {
- if (!m_Html -> HistoryForward()) wxMessageBox("No more items in history!");
- }
+// event handlers
+
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+ m_Html->WriteCustomization(wxConfig::Get());
+ delete wxConfig::Set(NULL);
+
+ // true is to force the frame to close
+ Close(true);
+}
+
+void MyFrame::OnPageOpen(wxCommandEvent& WXUNUSED(event))
+{
+#if wxUSE_FILEDLG
+ wxString p = wxFileSelector(_("Open HTML document"), wxEmptyString,
+ wxEmptyString, wxEmptyString, wxT("HTML files|*.htm;*.html"));
+
+ if (!p.empty())
+ {
+#if wxUSE_STOPWATCH
+ wxStopWatch sw;
+#endif
+ m_Html->LoadFile(wxFileName(p));
+#if wxUSE_STOPWATCH
+ wxLogStatus("Loaded \"%s\" in %lums", p, sw.Time());
+#endif
+ }
+#endif // wxUSE_FILEDLG
+}
+
+void MyFrame::OnDefaultLocalBrowser(wxCommandEvent& WXUNUSED(event))
+{
+ wxString page = m_Html->GetOpenedPage();
+ if (!page.empty())
+ {
+ wxLaunchDefaultBrowser(page);
+ }
+}
+
+void MyFrame::OnDefaultWebBrowser(wxCommandEvent& WXUNUSED(event))
+{
+ wxString page = m_Html->GetOpenedPage();
+ if (!page.empty())
+ {
+ wxLaunchDefaultBrowser(wxT("http://www.google.com"));
+ }
+}
+
+void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))
+{
+ if (!m_Html->HistoryBack())
+ {
+ wxMessageBox(_("You reached prehistory era!"));
+ }
+}
+
+void MyFrame::OnForward(wxCommandEvent& WXUNUSED(event))
+{
+ if (!m_Html->HistoryForward())
+ {
+ wxMessageBox(_("No more items in history!"));
+ }
+}
+
+void MyFrame::OnProcessor(wxCommandEvent& WXUNUSED(event))
+{
+ m_Processor->Enable(!m_Processor->IsEnabled());
+ m_Html->LoadPage(m_Html->GetOpenedPage());
+}
+
+void MyFrame::OnDrawCustomBg(wxCommandEvent& event)
+{
+ m_Html->DrawCustomBg(event.IsChecked());
+}
+
+void MyFrame::OnHtmlLinkClicked(wxHtmlLinkEvent &event)
+{
+ wxLogMessage(wxT("The url '%s' has been clicked!"), event.GetLinkInfo().GetHref().c_str());
+
+ // skipping this event the default behaviour (load the clicked URL)
+ // will happen...
+ event.Skip();
+}
+
+void MyFrame::OnHtmlCellHover(wxHtmlCellEvent &event)
+{
+ wxLogMessage(wxT("Mouse moved over cell %p at %d;%d"),
+ event.GetCell(), event.GetPoint().x, event.GetPoint().y);
+}
+
+void MyFrame::OnHtmlCellClicked(wxHtmlCellEvent &event)
+{
+ wxLogMessage(wxT("Click over cell %p at %d;%d"),
+ event.GetCell(), event.GetPoint().x, event.GetPoint().y);
+
+ // if we don't skip the event, OnHtmlLinkClicked won't be called!
+ event.Skip();
+}
+
+wxHtmlOpeningStatus MyHtmlWindow::OnOpeningURL(wxHtmlURLType WXUNUSED(type),
+ const wxString& url,
+ wxString *WXUNUSED(redirect)) const
+{
+ GetRelatedFrame()->SetStatusText(url + wxT(" lately opened"),1);
+ return wxHTML_OPEN;
+}
+
+BEGIN_EVENT_TABLE(MyHtmlWindow, wxHtmlWindow)
+#if wxUSE_CLIPBOARD
+ EVT_TEXT_COPY(wxID_ANY, MyHtmlWindow::OnClipboardEvent)
+#endif // wxUSE_CLIPBOARD
+ EVT_ERASE_BACKGROUND(MyHtmlWindow::OnEraseBgEvent)
+END_EVENT_TABLE()
+
+#if wxUSE_CLIPBOARD
+void MyHtmlWindow::OnClipboardEvent(wxClipboardTextEvent& WXUNUSED(event))
+{
+ // explicitly call wxHtmlWindow::CopySelection() method
+ // and show the first 100 characters of the text copied in the status bar
+ if ( CopySelection() )
+ {
+ wxTextDataObject data;
+ if ( wxTheClipboard && wxTheClipboard->Open() && wxTheClipboard->GetData(data) )
+ {
+ const wxString text = data.GetText();
+ const size_t maxTextLength = 100;
+
+ wxLogStatus(wxString::Format(wxT("Clipboard: '%s%s'"),
+ wxString(text, maxTextLength).c_str(),
+ (text.length() > maxTextLength) ? wxT("...")
+ : wxT("")));
+ wxTheClipboard->Close();
+
+ return;
+ }
+ }
+
+ wxLogStatus(wxT("Clipboard: nothing"));
+}
+#endif // wxUSE_CLIPBOARD
+
+void MyHtmlWindow::OnEraseBgEvent(wxEraseEvent& event)
+{
+ if ( !m_drawCustomBg )
+ {
+ event.Skip();
+ return;
+ }
+
+ // draw a background grid to show that this handler is indeed executed
+
+ wxDC& dc = *event.GetDC();
+ dc.SetPen(*wxBLUE_PEN);
+ dc.Clear();
+
+ const wxSize size = GetVirtualSize();
+ for ( int x = 0; x < size.x; x += 15 )
+ {
+ dc.DrawLine(x, 0, x, size.y);
+ }
+
+ for ( int y = 0; y < size.y; y += 15 )
+ {
+ dc.DrawLine(0, y, size.x, y);
+ }
+}
+
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