d45127a543
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46936 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
262 lines
9.1 KiB
C++
262 lines
9.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: htmlctrl.cpp
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// Purpose: HtmlCtrl sample
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// Author: Julian Smart / Kevin Ollivier
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// Modified by:
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// Created: 04/16/2004
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart / Kevin Ollivier
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWidgets headers)
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/html/webkit.h"
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// ----------------------------------------------------------------------------
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// resources
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// ----------------------------------------------------------------------------
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enum {
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ID_BACK = wxID_HIGHEST + 1,
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ID_NEXT = wxID_HIGHEST + 2,
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ID_RELOAD = wxID_HIGHEST + 3,
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ID_URLLIST = wxID_HIGHEST + 4,
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ID_STOP = wxID_HIGHEST + 5,
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ID_WEBKIT = wxID_HIGHEST + 6,
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ID_VIEW_SOURCE = wxID_HIGHEST + 7,
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ID_OPEN = wxID_HIGHEST + 8,
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ID_SAVE = wxID_HIGHEST + 9,
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ID_SET_SOURCE = wxID_HIGHEST + 10
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};
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor(s)
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MyFrame(const wxString& title);
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void OnBackButton(wxCommandEvent& myEvent);
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void OnNextButton(wxCommandEvent& myEvent);
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void OnURLEnter(wxCommandEvent& myEvent);
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void OnStopButton(wxCommandEvent& myEvent);
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void OnReloadButton(wxCommandEvent& myEvent);
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void OnViewSource(wxCommandEvent& myEvent);
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void OnSetSource(wxCommandEvent& myEvent);
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void OnStateChanged(wxWebKitStateChangedEvent& myEvent);
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wxWebKitCtrl* mySafari;
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wxTextCtrl* urlText;
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private:
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// any class wishing to process wxWidgets events must use this macro
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWidgets
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWidgets events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_BUTTON(ID_BACK, MyFrame::OnBackButton)
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EVT_BUTTON(ID_NEXT, MyFrame::OnNextButton)
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EVT_BUTTON(ID_STOP, MyFrame::OnStopButton)
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EVT_BUTTON(ID_RELOAD, MyFrame::OnReloadButton)
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EVT_MENU(ID_VIEW_SOURCE, MyFrame::OnViewSource)
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EVT_MENU(ID_SET_SOURCE, MyFrame::OnSetSource)
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EVT_TEXT_ENTER(ID_URLLIST, MyFrame::OnURLEnter)
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EVT_WEBKIT_STATE_CHANGED(MyFrame::OnStateChanged)
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//EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
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//EVT_MENU(Minimal_About, MyFrame::OnAbout)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWidgets to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also implements the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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IMPLEMENT_APP(MyApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// 'Main program' equivalent: the program execution "starts" here
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bool MyApp::OnInit()
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{
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if ( !wxApp::OnInit() )
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return false;
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// create the main application window
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MyFrame *frame = new MyFrame(_T("wxWebKit Sample"));
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// and show it (the frames, unlike simple controls, are not shown when
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// created initially)
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frame->Show(true);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned false here, the
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// application would exit immediately.
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return true;
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title)
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: wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(500,500))
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{
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wxMenuBar* myBar = new wxMenuBar();
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wxMenu* fileMenu = new wxMenu;
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fileMenu->Append(ID_OPEN, _("&Open"));
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fileMenu->Append(ID_SAVE, _("&Save"));
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myBar->Append(fileMenu, _("&File"));
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wxMenu* editMenu = new wxMenu;
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editMenu->Append(ID_SET_SOURCE, _("Set Page Source"));
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myBar->Append(editMenu, _("&Edit"));
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//wxMenu* viewMenu = new wxMenu(_("View"));
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//viewMenu->Append(ID_VIEW_SOURCE, _("View Source"));
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//myBar->Append(viewMenu, _("View"));
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SetMenuBar(myBar);
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wxToolBar* myToolbar = CreateToolBar();
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wxButton* btnBack = new wxButton(myToolbar, ID_BACK, _("Back"));
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myToolbar->AddControl(btnBack);
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myToolbar->AddSeparator();
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wxButton* btnNext = new wxButton(myToolbar, ID_NEXT, _("Next"));
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myToolbar->AddControl(btnNext);
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myToolbar->AddSeparator();
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wxButton* btnStop = new wxButton(myToolbar, ID_STOP, _("Stop"));
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myToolbar->AddControl(btnStop);
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myToolbar->AddSeparator();
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wxButton* btnReload = new wxButton(myToolbar, ID_RELOAD, _("Reload"));
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myToolbar->AddControl(btnReload);
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myToolbar->AddSeparator();
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urlText = new wxTextCtrl(myToolbar, ID_URLLIST, _T("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(220, -1), wxTE_PROCESS_ENTER);
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myToolbar->AddControl(urlText);
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myToolbar->AddSeparator();
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myToolbar->Realize();
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// Testing wxWebKitCtrl inside a panel
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#if 1
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wxPanel* panel = new wxPanel(this, wxID_ANY);
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wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
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panel->SetSizer(boxSizer);
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mySafari = new wxWebKitCtrl(panel, ID_WEBKIT, _T("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(200, 200));
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boxSizer->Add(mySafari, 1, wxEXPAND);
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wxBoxSizer* frameSizer = new wxBoxSizer(wxVERTICAL);
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SetSizer(frameSizer);
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frameSizer->Add(panel, 1, wxEXPAND);
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#else
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mySafari = new wxWebKitCtrl(this, ID_WEBKIT, _T("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(200, 200));
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#endif
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#if wxUSE_STATUSBAR
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CreateStatusBar(2);
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#endif // wxUSE_STATUSBAR
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}
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void MyFrame::OnBackButton(wxCommandEvent& myEvent){
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if (mySafari->CanGoBack())
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mySafari->GoBack();
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}
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void MyFrame::OnNextButton(wxCommandEvent& myEvent){
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if (mySafari->CanGoForward())
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mySafari->GoForward();
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}
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void MyFrame::OnStopButton(wxCommandEvent& myEvent){
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mySafari->Stop();
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}
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void MyFrame::OnReloadButton(wxCommandEvent& myEvent){
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mySafari->Reload();
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}
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void MyFrame::OnURLEnter(wxCommandEvent& myEvent){
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mySafari->LoadURL(urlText->GetValue());
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}
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void MyFrame::OnStateChanged(wxWebKitStateChangedEvent& myEvent){
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if (GetStatusBar() != NULL){
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if (myEvent.GetState() == wxWEBKIT_STATE_NEGOTIATING){
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GetStatusBar()->SetStatusText(_("Contacting ") + myEvent.GetURL());
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urlText->SetValue(myEvent.GetURL());
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}
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else if (myEvent.GetState() == wxWEBKIT_STATE_TRANSFERRING){
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GetStatusBar()->SetStatusText(_("Loading ") + myEvent.GetURL());
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}
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else if (myEvent.GetState() == wxWEBKIT_STATE_STOP){
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GetStatusBar()->SetStatusText(_("Load complete."));
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SetTitle(mySafari->GetTitle());
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}
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else if (myEvent.GetState() == wxWEBKIT_STATE_FAILED){
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GetStatusBar()->SetStatusText(_("Failed to load ") + myEvent.GetURL());
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}
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}
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}
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void MyFrame::OnViewSource(wxCommandEvent& myEvent){
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if (mySafari->CanGetPageSource())
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wxMessageBox(mySafari->GetPageSource());
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}
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void MyFrame::OnSetSource(wxCommandEvent& myEvent){
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if (mySafari){
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wxString myText = wxT("<HTML><HEAD></HEAD><BODY><P>Hello world!</P></BODY></HTML>");
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mySafari->SetPageSource(myText);
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}
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}
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