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wxWidgets/samples/webview/webview.cpp
Scott Talbert cbe0a1f049 Add support for WebKit2GTK+ in wxWebView
2017-04-22 20:00:48 +01:00

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/////////////////////////////////////////////////////////////////////////////
// Name: webview.cpp
// Purpose: wxWebView sample
// Author: Marianne Gagnon
// Copyright: (c) 2010 Marianne Gagnon, Steven Lamerton
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if !wxUSE_WEBVIEW_WEBKIT && !wxUSE_WEBVIEW_WEBKIT2 && !wxUSE_WEBVIEW_IE
#error "A wxWebView backend is required by this sample"
#endif
#include "wx/artprov.h"
#include "wx/cmdline.h"
#include "wx/notifmsg.h"
#include "wx/settings.h"
#include "wx/webview.h"
#include "wx/webviewarchivehandler.h"
#include "wx/webviewfshandler.h"
#include "wx/infobar.h"
#include "wx/filesys.h"
#include "wx/fs_arc.h"
#include "wx/fs_mem.h"
#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../sample.xpm"
#endif
#if wxUSE_STC
#include "wx/stc/stc.h"
#else
#error "wxStyledTextControl is needed by this sample"
#endif
#if defined(__WXMSW__) || defined(__WXOSX__)
#include "stop.xpm"
#include "refresh.xpm"
#endif
#include "wxlogo.xpm"
//We map menu items to their history items
WX_DECLARE_HASH_MAP(int, wxSharedPtr<wxWebViewHistoryItem>,
wxIntegerHash, wxIntegerEqual, wxMenuHistoryMap);
class WebApp : public wxApp
{
public:
WebApp() :
m_url("http://www.wxwidgets.org")
{
}
virtual bool OnInit() wxOVERRIDE;
#if wxUSE_CMDLINE_PARSER
virtual void OnInitCmdLine(wxCmdLineParser& parser) wxOVERRIDE
{
wxApp::OnInitCmdLine(parser);
parser.AddParam("URL to open",
wxCMD_LINE_VAL_STRING,
wxCMD_LINE_PARAM_OPTIONAL);
}
virtual bool OnCmdLineParsed(wxCmdLineParser& parser) wxOVERRIDE
{
if ( !wxApp::OnCmdLineParsed(parser) )
return false;
if ( parser.GetParamCount() )
m_url = parser.GetParam(0);
return true;
}
#endif // wxUSE_CMDLINE_PARSER
private:
wxString m_url;
};
class WebFrame : public wxFrame
{
public:
WebFrame(const wxString& url);
virtual ~WebFrame();
void UpdateState();
void OnIdle(wxIdleEvent& evt);
void OnUrl(wxCommandEvent& evt);
void OnBack(wxCommandEvent& evt);
void OnForward(wxCommandEvent& evt);
void OnStop(wxCommandEvent& evt);
void OnReload(wxCommandEvent& evt);
void OnClearHistory(wxCommandEvent& evt);
void OnEnableHistory(wxCommandEvent& evt);
void OnNavigationRequest(wxWebViewEvent& evt);
void OnNavigationComplete(wxWebViewEvent& evt);
void OnDocumentLoaded(wxWebViewEvent& evt);
void OnNewWindow(wxWebViewEvent& evt);
void OnTitleChanged(wxWebViewEvent& evt);
void OnViewSourceRequest(wxCommandEvent& evt);
void OnViewTextRequest(wxCommandEvent& evt);
void OnToolsClicked(wxCommandEvent& evt);
void OnSetZoom(wxCommandEvent& evt);
void OnError(wxWebViewEvent& evt);
void OnPrint(wxCommandEvent& evt);
void OnCut(wxCommandEvent& evt);
void OnCopy(wxCommandEvent& evt);
void OnPaste(wxCommandEvent& evt);
void OnUndo(wxCommandEvent& evt);
void OnRedo(wxCommandEvent& evt);
void OnMode(wxCommandEvent& evt);
void OnZoomLayout(wxCommandEvent& evt);
void OnHistory(wxCommandEvent& evt);
void OnScrollLineUp(wxCommandEvent&) { m_browser->LineUp(); }
void OnScrollLineDown(wxCommandEvent&) { m_browser->LineDown(); }
void OnScrollPageUp(wxCommandEvent&) { m_browser->PageUp(); }
void OnScrollPageDown(wxCommandEvent&) { m_browser->PageDown(); }
void OnRunScript(wxCommandEvent& evt);
void OnClearSelection(wxCommandEvent& evt);
void OnDeleteSelection(wxCommandEvent& evt);
void OnSelectAll(wxCommandEvent& evt);
void OnLoadScheme(wxCommandEvent& evt);
void OnUseMemoryFS(wxCommandEvent& evt);
void OnFind(wxCommandEvent& evt);
void OnFindDone(wxCommandEvent& evt);
void OnFindText(wxCommandEvent& evt);
void OnFindOptions(wxCommandEvent& evt);
void OnEnableContextMenu(wxCommandEvent& evt);
private:
wxTextCtrl* m_url;
wxWebView* m_browser;
wxToolBar* m_toolbar;
wxToolBarToolBase* m_toolbar_back;
wxToolBarToolBase* m_toolbar_forward;
wxToolBarToolBase* m_toolbar_stop;
wxToolBarToolBase* m_toolbar_reload;
wxToolBarToolBase* m_toolbar_tools;
wxToolBarToolBase* m_find_toolbar_done;
wxToolBarToolBase* m_find_toolbar_next;
wxToolBarToolBase* m_find_toolbar_previous;
wxToolBarToolBase* m_find_toolbar_options;
wxMenuItem* m_find_toolbar_wrap;
wxMenuItem* m_find_toolbar_highlight;
wxMenuItem* m_find_toolbar_matchcase;
wxMenuItem* m_find_toolbar_wholeword;
wxMenu* m_tools_menu;
wxMenu* m_tools_history_menu;
wxMenuItem* m_tools_layout;
wxMenuItem* m_tools_tiny;
wxMenuItem* m_tools_small;
wxMenuItem* m_tools_medium;
wxMenuItem* m_tools_large;
wxMenuItem* m_tools_largest;
wxMenuItem* m_tools_handle_navigation;
wxMenuItem* m_tools_handle_new_window;
wxMenuItem* m_tools_enable_history;
wxMenuItem* m_edit_cut;
wxMenuItem* m_edit_copy;
wxMenuItem* m_edit_paste;
wxMenuItem* m_edit_undo;
wxMenuItem* m_edit_redo;
wxMenuItem* m_edit_mode;
wxMenuItem* m_scroll_line_up;
wxMenuItem* m_scroll_line_down;
wxMenuItem* m_scroll_page_up;
wxMenuItem* m_scroll_page_down;
wxMenuItem* m_selection_clear;
wxMenuItem* m_selection_delete;
wxMenuItem* m_find;
wxMenuItem* m_context_menu;
wxInfoBar *m_info;
wxStaticText* m_info_text;
wxTextCtrl* m_find_ctrl;
wxToolBar* m_find_toolbar;
wxMenuHistoryMap m_histMenuItems;
wxString m_findText;
int m_findFlags, m_findCount;
};
class SourceViewDialog : public wxDialog
{
public:
SourceViewDialog(wxWindow* parent, wxString source);
};
wxIMPLEMENT_APP(WebApp);
// ============================================================================
// implementation
// ============================================================================
bool WebApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
//Required for virtual file system archive and memory support
wxFileSystem::AddHandler(new wxArchiveFSHandler);
wxFileSystem::AddHandler(new wxMemoryFSHandler);
// Create the memory files
wxImage::AddHandler(new wxPNGHandler);
wxMemoryFSHandler::AddFile("logo.png",
wxBitmap(wxlogo_xpm), wxBITMAP_TYPE_PNG);
wxMemoryFSHandler::AddFile("page1.htm",
"<html><head><title>File System Example</title>"
"<link rel='stylesheet' type='text/css' href='memory:test.css'>"
"</head><body><h1>Page 1</h1>"
"<p><img src='memory:logo.png'></p>"
"<p>Some text about <a href='memory:page2.htm'>Page 2</a>.</p></body>");
wxMemoryFSHandler::AddFile("page2.htm",
"<html><head><title>File System Example</title>"
"<link rel='stylesheet' type='text/css' href='memory:test.css'>"
"</head><body><h1>Page 2</h1>"
"<p><a href='memory:page1.htm'>Page 1</a> was better.</p></body>");
wxMemoryFSHandler::AddFile("test.css", "h1 {color: red;}");
WebFrame *frame = new WebFrame(m_url);
frame->Show();
return true;
}
WebFrame::WebFrame(const wxString& url) :
wxFrame(NULL, wxID_ANY, "wxWebView Sample")
{
// set the frame icon
SetIcon(wxICON(sample));
SetTitle("wxWebView Sample");
wxBoxSizer* topsizer = new wxBoxSizer(wxVERTICAL);
// Create the toolbar
m_toolbar = CreateToolBar(wxTB_TEXT);
m_toolbar->SetToolBitmapSize(wxSize(32, 32));
wxBitmap back = wxArtProvider::GetBitmap(wxART_GO_BACK , wxART_TOOLBAR);
wxBitmap forward = wxArtProvider::GetBitmap(wxART_GO_FORWARD , wxART_TOOLBAR);
#ifdef __WXGTK__
wxBitmap stop = wxArtProvider::GetBitmap("gtk-stop", wxART_TOOLBAR);
#else
wxBitmap stop = wxBitmap(stop_xpm);
#endif
#ifdef __WXGTK__
wxBitmap refresh = wxArtProvider::GetBitmap("gtk-refresh", wxART_TOOLBAR);
#else
wxBitmap refresh = wxBitmap(refresh_xpm);
#endif
m_toolbar_back = m_toolbar->AddTool(wxID_ANY, _("Back"), back);
m_toolbar_forward = m_toolbar->AddTool(wxID_ANY, _("Forward"), forward);
m_toolbar_stop = m_toolbar->AddTool(wxID_ANY, _("Stop"), stop);
m_toolbar_reload = m_toolbar->AddTool(wxID_ANY, _("Reload"), refresh);
m_url = new wxTextCtrl(m_toolbar, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(400, -1), wxTE_PROCESS_ENTER );
m_toolbar->AddControl(m_url, _("URL"));
m_toolbar_tools = m_toolbar->AddTool(wxID_ANY, _("Menu"), wxBitmap(wxlogo_xpm));
m_toolbar->Realize();
// Set find values.
m_findFlags = wxWEBVIEW_FIND_DEFAULT;
m_findText = wxEmptyString;
m_findCount = 0;
// Create panel for find toolbar.
wxPanel* panel = new wxPanel(this);
topsizer->Add(panel, wxSizerFlags().Expand());
// Create sizer for panel.
wxBoxSizer* panel_sizer = new wxBoxSizer(wxVERTICAL);
panel->SetSizer(panel_sizer);
// Create the find toolbar.
m_find_toolbar = new wxToolBar(panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTB_HORIZONTAL|wxTB_TEXT|wxTB_HORZ_LAYOUT);
m_find_toolbar->Hide();
panel_sizer->Add(m_find_toolbar, wxSizerFlags().Expand());
// Create find control.
m_find_ctrl = new wxTextCtrl(m_find_toolbar, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(140,-1), wxTE_PROCESS_ENTER);
//Find options menu
wxMenu* findmenu = new wxMenu;
m_find_toolbar_wrap = findmenu->AppendCheckItem(wxID_ANY,"Wrap");
m_find_toolbar_matchcase = findmenu->AppendCheckItem(wxID_ANY,"Match Case");
m_find_toolbar_wholeword = findmenu->AppendCheckItem(wxID_ANY,"Entire Word");
m_find_toolbar_highlight = findmenu->AppendCheckItem(wxID_ANY,"Highlight");
// Add find toolbar tools.
m_find_toolbar->SetToolSeparation(7);
m_find_toolbar_done = m_find_toolbar->AddTool(wxID_ANY, "Close", wxArtProvider::GetBitmap(wxART_CROSS_MARK));
m_find_toolbar->AddSeparator();
m_find_toolbar->AddControl(m_find_ctrl, "Find");
m_find_toolbar->AddSeparator();
m_find_toolbar_next = m_find_toolbar->AddTool(wxID_ANY, "Next", wxArtProvider::GetBitmap(wxART_GO_DOWN, wxART_TOOLBAR, wxSize(16,16)));
m_find_toolbar_previous = m_find_toolbar->AddTool(wxID_ANY, "Previous", wxArtProvider::GetBitmap(wxART_GO_UP, wxART_TOOLBAR, wxSize(16,16)));
m_find_toolbar->AddSeparator();
m_find_toolbar_options = m_find_toolbar->AddTool(wxID_ANY, "Options", wxArtProvider::GetBitmap(wxART_PLUS, wxART_TOOLBAR, wxSize(16,16)), "", wxITEM_DROPDOWN);
m_find_toolbar_options->SetDropdownMenu(findmenu);
m_find_toolbar->Realize();
// Create the info panel
m_info = new wxInfoBar(this);
topsizer->Add(m_info, wxSizerFlags().Expand());
// Create the webview
m_browser = wxWebView::New(this, wxID_ANY, url);
topsizer->Add(m_browser, wxSizerFlags().Expand().Proportion(1));
//We register the wxfs:// protocol for testing purposes
m_browser->RegisterHandler(wxSharedPtr<wxWebViewHandler>(new wxWebViewArchiveHandler("wxfs")));
//And the memory: file system
m_browser->RegisterHandler(wxSharedPtr<wxWebViewHandler>(new wxWebViewFSHandler("memory")));
SetSizer(topsizer);
//Set a more sensible size for web browsing
SetSize(wxSize(800, 600));
// Create a log window
new wxLogWindow(this, _("Logging"), true, false);
// Create the Tools menu
m_tools_menu = new wxMenu();
wxMenuItem* print = m_tools_menu->Append(wxID_ANY , _("Print"));
wxMenuItem* viewSource = m_tools_menu->Append(wxID_ANY , _("View Source"));
wxMenuItem* viewText = m_tools_menu->Append(wxID_ANY, _("View Text"));
m_tools_menu->AppendSeparator();
m_tools_layout = m_tools_menu->AppendCheckItem(wxID_ANY, _("Use Layout Zoom"));
m_tools_tiny = m_tools_menu->AppendCheckItem(wxID_ANY, _("Tiny"));
m_tools_small = m_tools_menu->AppendCheckItem(wxID_ANY, _("Small"));
m_tools_medium = m_tools_menu->AppendCheckItem(wxID_ANY, _("Medium"));
m_tools_large = m_tools_menu->AppendCheckItem(wxID_ANY, _("Large"));
m_tools_largest = m_tools_menu->AppendCheckItem(wxID_ANY, _("Largest"));
m_tools_menu->AppendSeparator();
m_tools_handle_navigation = m_tools_menu->AppendCheckItem(wxID_ANY, _("Handle Navigation"));
m_tools_handle_new_window = m_tools_menu->AppendCheckItem(wxID_ANY, _("Handle New Windows"));
m_tools_menu->AppendSeparator();
//Find
m_find = m_tools_menu->Append(wxID_ANY, _("Find"));
m_tools_menu->AppendSeparator();
//History menu
m_tools_history_menu = new wxMenu();
wxMenuItem* clearhist = m_tools_history_menu->Append(wxID_ANY, _("Clear History"));
m_tools_enable_history = m_tools_history_menu->AppendCheckItem(wxID_ANY, _("Enable History"));
m_tools_history_menu->AppendSeparator();
m_tools_menu->AppendSubMenu(m_tools_history_menu, "History");
//Create an editing menu
wxMenu* editmenu = new wxMenu();
m_edit_cut = editmenu->Append(wxID_ANY, _("Cut"));
m_edit_copy = editmenu->Append(wxID_ANY, _("Copy"));
m_edit_paste = editmenu->Append(wxID_ANY, _("Paste"));
editmenu->AppendSeparator();
m_edit_undo = editmenu->Append(wxID_ANY, _("Undo"));
m_edit_redo = editmenu->Append(wxID_ANY, _("Redo"));
editmenu->AppendSeparator();
m_edit_mode = editmenu->AppendCheckItem(wxID_ANY, _("Edit Mode"));
m_tools_menu->AppendSeparator();
m_tools_menu->AppendSubMenu(editmenu, "Edit");
wxMenu* scroll_menu = new wxMenu;
m_scroll_line_up = scroll_menu->Append(wxID_ANY, "Line &up");
m_scroll_line_down = scroll_menu->Append(wxID_ANY, "Line &down");
m_scroll_page_up = scroll_menu->Append(wxID_ANY, "Page u&p");
m_scroll_page_down = scroll_menu->Append(wxID_ANY, "Page d&own");
m_tools_menu->AppendSubMenu(scroll_menu, "Scroll");
wxMenuItem* script = m_tools_menu->Append(wxID_ANY, _("Run Script"));
//Selection menu
wxMenu* selection = new wxMenu();
m_selection_clear = selection->Append(wxID_ANY, _("Clear Selection"));
m_selection_delete = selection->Append(wxID_ANY, _("Delete Selection"));
wxMenuItem* selectall = selection->Append(wxID_ANY, _("Select All"));
editmenu->AppendSubMenu(selection, "Selection");
wxMenuItem* loadscheme = m_tools_menu->Append(wxID_ANY, _("Custom Scheme Example"));
wxMenuItem* usememoryfs = m_tools_menu->Append(wxID_ANY, _("Memory File System Example"));
m_context_menu = m_tools_menu->AppendCheckItem(wxID_ANY, _("Enable Context Menu"));
//By default we want to handle navigation and new windows
m_tools_handle_navigation->Check();
m_tools_handle_new_window->Check();
m_tools_enable_history->Check();
if(!m_browser->CanSetZoomType(wxWEBVIEW_ZOOM_TYPE_LAYOUT))
m_tools_layout->Enable(false);
// Connect the toolbar events
Connect(m_toolbar_back->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnBack), NULL, this );
Connect(m_toolbar_forward->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnForward), NULL, this );
Connect(m_toolbar_stop->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnStop), NULL, this );
Connect(m_toolbar_reload->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnReload),NULL, this );
Connect(m_toolbar_tools->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnToolsClicked), NULL, this );
Connect(m_url->GetId(), wxEVT_TEXT_ENTER,
wxCommandEventHandler(WebFrame::OnUrl), NULL, this );
// Connect find toolbar events.
Connect(m_find_toolbar_done->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnFindDone), NULL, this );
Connect(m_find_toolbar_next->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnFindText), NULL, this );
Connect(m_find_toolbar_previous->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnFindText), NULL, this );
// Connect find control events.
Connect(m_find_ctrl->GetId(), wxEVT_TEXT,
wxCommandEventHandler(WebFrame::OnFindText), NULL, this );
Connect(m_find_ctrl->GetId(), wxEVT_TEXT_ENTER,
wxCommandEventHandler(WebFrame::OnFindText), NULL, this );
// Connect the webview events
Connect(m_browser->GetId(), wxEVT_WEBVIEW_NAVIGATING,
wxWebViewEventHandler(WebFrame::OnNavigationRequest), NULL, this);
Connect(m_browser->GetId(), wxEVT_WEBVIEW_NAVIGATED,
wxWebViewEventHandler(WebFrame::OnNavigationComplete), NULL, this);
Connect(m_browser->GetId(), wxEVT_WEBVIEW_LOADED,
wxWebViewEventHandler(WebFrame::OnDocumentLoaded), NULL, this);
Connect(m_browser->GetId(), wxEVT_WEBVIEW_ERROR,
wxWebViewEventHandler(WebFrame::OnError), NULL, this);
Connect(m_browser->GetId(), wxEVT_WEBVIEW_NEWWINDOW,
wxWebViewEventHandler(WebFrame::OnNewWindow), NULL, this);
Connect(m_browser->GetId(), wxEVT_WEBVIEW_TITLE_CHANGED,
wxWebViewEventHandler(WebFrame::OnTitleChanged), NULL, this);
// Connect the menu events
Connect(viewSource->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnViewSourceRequest), NULL, this );
Connect(viewText->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnViewTextRequest), NULL, this );
Connect(print->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnPrint), NULL, this );
Connect(m_tools_layout->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnZoomLayout), NULL, this );
Connect(m_tools_tiny->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnSetZoom), NULL, this );
Connect(m_tools_small->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnSetZoom), NULL, this );
Connect(m_tools_medium->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnSetZoom), NULL, this );
Connect(m_tools_large->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnSetZoom), NULL, this );
Connect(m_tools_largest->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnSetZoom), NULL, this );
Connect(clearhist->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnClearHistory), NULL, this );
Connect(m_tools_enable_history->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnEnableHistory), NULL, this );
Connect(m_edit_cut->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnCut), NULL, this );
Connect(m_edit_copy->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnCopy), NULL, this );
Connect(m_edit_paste->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnPaste), NULL, this );
Connect(m_edit_undo->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnUndo), NULL, this );
Connect(m_edit_redo->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnRedo), NULL, this );
Connect(m_edit_mode->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnMode), NULL, this );
Connect(m_scroll_line_up->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnScrollLineUp), NULL, this );
Connect(m_scroll_line_down->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnScrollLineDown), NULL, this );
Connect(m_scroll_page_up->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnScrollPageUp), NULL, this );
Connect(m_scroll_page_down->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnScrollPageDown), NULL, this );
Connect(script->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnRunScript), NULL, this );
Connect(m_selection_clear->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnClearSelection), NULL, this );
Connect(m_selection_delete->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnDeleteSelection), NULL, this );
Connect(selectall->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnSelectAll), NULL, this );
Connect(loadscheme->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnLoadScheme), NULL, this );
Connect(usememoryfs->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnUseMemoryFS), NULL, this );
Connect(m_find->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnFind), NULL, this );
Connect(m_context_menu->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnEnableContextMenu), NULL, this );
//Connect the idle events
Connect(wxID_ANY, wxEVT_IDLE, wxIdleEventHandler(WebFrame::OnIdle), NULL, this);
}
WebFrame::~WebFrame()
{
delete m_tools_menu;
}
/**
* Method that retrieves the current state from the web control and updates the GUI
* the reflect this current state.
*/
void WebFrame::UpdateState()
{
m_toolbar->EnableTool( m_toolbar_back->GetId(), m_browser->CanGoBack() );
m_toolbar->EnableTool( m_toolbar_forward->GetId(), m_browser->CanGoForward() );
if (m_browser->IsBusy())
{
m_toolbar->EnableTool( m_toolbar_stop->GetId(), true );
}
else
{
m_toolbar->EnableTool( m_toolbar_stop->GetId(), false );
}
SetTitle( m_browser->GetCurrentTitle() );
m_url->SetValue( m_browser->GetCurrentURL() );
}
void WebFrame::OnIdle(wxIdleEvent& WXUNUSED(evt))
{
if(m_browser->IsBusy())
{
wxSetCursor(wxCURSOR_ARROWWAIT);
m_toolbar->EnableTool(m_toolbar_stop->GetId(), true);
}
else
{
wxSetCursor(wxNullCursor);
m_toolbar->EnableTool(m_toolbar_stop->GetId(), false);
}
}
/**
* Callback invoked when user entered an URL and pressed enter
*/
void WebFrame::OnUrl(wxCommandEvent& WXUNUSED(evt))
{
m_browser->LoadURL( m_url->GetValue() );
m_browser->SetFocus();
UpdateState();
}
/**
* Callback invoked when user pressed the "back" button
*/
void WebFrame::OnBack(wxCommandEvent& WXUNUSED(evt))
{
m_browser->GoBack();
UpdateState();
}
/**
* Callback invoked when user pressed the "forward" button
*/
void WebFrame::OnForward(wxCommandEvent& WXUNUSED(evt))
{
m_browser->GoForward();
UpdateState();
}
/**
* Callback invoked when user pressed the "stop" button
*/
void WebFrame::OnStop(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Stop();
UpdateState();
}
/**
* Callback invoked when user pressed the "reload" button
*/
void WebFrame::OnReload(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Reload();
UpdateState();
}
void WebFrame::OnClearHistory(wxCommandEvent& WXUNUSED(evt))
{
m_browser->ClearHistory();
UpdateState();
}
void WebFrame::OnEnableHistory(wxCommandEvent& WXUNUSED(evt))
{
m_browser->EnableHistory(m_tools_enable_history->IsChecked());
UpdateState();
}
void WebFrame::OnCut(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Cut();
}
void WebFrame::OnCopy(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Copy();
}
void WebFrame::OnPaste(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Paste();
}
void WebFrame::OnUndo(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Undo();
}
void WebFrame::OnRedo(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Redo();
}
void WebFrame::OnMode(wxCommandEvent& WXUNUSED(evt))
{
m_browser->SetEditable(m_edit_mode->IsChecked());
}
void WebFrame::OnLoadScheme(wxCommandEvent& WXUNUSED(evt))
{
wxFileName helpfile("../help/doc.zip");
helpfile.MakeAbsolute();
wxString path = helpfile.GetFullPath();
//Under MSW we need to flip the slashes
path.Replace("\\", "/");
path = "wxfs:///" + path + ";protocol=zip/doc.htm";
m_browser->LoadURL(path);
}
void WebFrame::OnUseMemoryFS(wxCommandEvent& WXUNUSED(evt))
{
m_browser->LoadURL("memory:page1.htm");
}
void WebFrame::OnEnableContextMenu(wxCommandEvent& evt)
{
m_browser->EnableContextMenu(evt.IsChecked());
}
void WebFrame::OnFind(wxCommandEvent& WXUNUSED(evt))
{
wxString value = m_browser->GetSelectedText();
if(value.Len() > 150)
{
value.Truncate(150);
}
m_find_ctrl->SetValue(value);
if(!m_find_toolbar->IsShown()){
m_find_toolbar->Show(true);
SendSizeEvent();
}
m_find_ctrl->SelectAll();
}
void WebFrame::OnFindDone(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Find("");
m_find_toolbar->Show(false);
SendSizeEvent();
}
void WebFrame::OnFindText(wxCommandEvent& evt)
{
int flags = 0;
if(m_find_toolbar_wrap->IsChecked())
flags |= wxWEBVIEW_FIND_WRAP;
if(m_find_toolbar_wholeword->IsChecked())
flags |= wxWEBVIEW_FIND_ENTIRE_WORD;
if(m_find_toolbar_matchcase->IsChecked())
flags |= wxWEBVIEW_FIND_MATCH_CASE;
if(m_find_toolbar_highlight->IsChecked())
flags |= wxWEBVIEW_FIND_HIGHLIGHT_RESULT;
if(m_find_toolbar_previous->GetId() == evt.GetId())
flags |= wxWEBVIEW_FIND_BACKWARDS;
wxString find_text = m_find_ctrl->GetValue();
long count = m_browser->Find(find_text, flags);
if(m_findText != find_text)
{
m_findCount = count;
m_findText = find_text;
}
if(count != wxNOT_FOUND || find_text.IsEmpty())
{
m_find_ctrl->SetBackgroundColour(*wxWHITE);
}
else
{
m_find_ctrl->SetBackgroundColour(wxColour(255, 101, 101));
}
m_find_ctrl->Refresh();
//Log the result, note that count is zero indexed.
if(count != m_findCount)
{
count++;
}
wxLogMessage("Searching for:%s current match:%li/%i", m_findText.c_str(), count, m_findCount);
}
/**
* Callback invoked when there is a request to load a new page (for instance
* when the user clicks a link)
*/
void WebFrame::OnNavigationRequest(wxWebViewEvent& evt)
{
if(m_info->IsShown())
{
m_info->Dismiss();
}
wxLogMessage("%s", "Navigation request to '" + evt.GetURL() + "' (target='" +
evt.GetTarget() + "')");
wxASSERT(m_browser->IsBusy());
//If we don't want to handle navigation then veto the event and navigation
//will not take place, we also need to stop the loading animation
if(!m_tools_handle_navigation->IsChecked())
{
evt.Veto();
m_toolbar->EnableTool( m_toolbar_stop->GetId(), false );
}
else
{
UpdateState();
}
}
/**
* Callback invoked when a navigation request was accepted
*/
void WebFrame::OnNavigationComplete(wxWebViewEvent& evt)
{
wxLogMessage("%s", "Navigation complete; url='" + evt.GetURL() + "'");
UpdateState();
}
/**
* Callback invoked when a page is finished loading
*/
void WebFrame::OnDocumentLoaded(wxWebViewEvent& evt)
{
//Only notify if the document is the main frame, not a subframe
if(evt.GetURL() == m_browser->GetCurrentURL())
{
wxLogMessage("%s", "Document loaded; url='" + evt.GetURL() + "'");
}
UpdateState();
}
/**
* On new window, we veto to stop extra windows appearing
*/
void WebFrame::OnNewWindow(wxWebViewEvent& evt)
{
wxLogMessage("%s", "New window; url='" + evt.GetURL() + "'");
//If we handle new window events then just load them in this window as we
//are a single window browser
if(m_tools_handle_new_window->IsChecked())
m_browser->LoadURL(evt.GetURL());
UpdateState();
}
void WebFrame::OnTitleChanged(wxWebViewEvent& evt)
{
SetTitle(evt.GetString());
wxLogMessage("%s", "Title changed; title='" + evt.GetString() + "'");
}
/**
* Invoked when user selects the "View Source" menu item
*/
void WebFrame::OnViewSourceRequest(wxCommandEvent& WXUNUSED(evt))
{
SourceViewDialog dlg(this, m_browser->GetPageSource());
dlg.ShowModal();
}
/**
* Invoked when user selects the "View Text" menu item
*/
void WebFrame::OnViewTextRequest(wxCommandEvent& WXUNUSED(evt))
{
wxDialog textViewDialog(this, wxID_ANY, "Page Text",
wxDefaultPosition, wxSize(700,500),
wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER);
wxStyledTextCtrl* text = new wxStyledTextCtrl(&textViewDialog, wxID_ANY);
text->SetText(m_browser->GetPageText());
wxBoxSizer* sizer = new wxBoxSizer(wxVERTICAL);
sizer->Add(text, 1, wxEXPAND);
SetSizer(sizer);
textViewDialog.ShowModal();
}
/**
* Invoked when user selects the "Menu" item
*/
void WebFrame::OnToolsClicked(wxCommandEvent& WXUNUSED(evt))
{
if(m_browser->GetCurrentURL() == "")
return;
m_tools_tiny->Check(false);
m_tools_small->Check(false);
m_tools_medium->Check(false);
m_tools_large->Check(false);
m_tools_largest->Check(false);
wxWebViewZoom zoom = m_browser->GetZoom();
switch (zoom)
{
case wxWEBVIEW_ZOOM_TINY:
m_tools_tiny->Check();
break;
case wxWEBVIEW_ZOOM_SMALL:
m_tools_small->Check();
break;
case wxWEBVIEW_ZOOM_MEDIUM:
m_tools_medium->Check();
break;
case wxWEBVIEW_ZOOM_LARGE:
m_tools_large->Check();
break;
case wxWEBVIEW_ZOOM_LARGEST:
m_tools_largest->Check();
break;
}
m_edit_cut->Enable(m_browser->CanCut());
m_edit_copy->Enable(m_browser->CanCopy());
m_edit_paste->Enable(m_browser->CanPaste());
m_edit_undo->Enable(m_browser->CanUndo());
m_edit_redo->Enable(m_browser->CanRedo());
m_selection_clear->Enable(m_browser->HasSelection());
m_selection_delete->Enable(m_browser->HasSelection());
m_context_menu->Check(m_browser->IsContextMenuEnabled());
//Firstly we clear the existing menu items, then we add the current ones
wxMenuHistoryMap::const_iterator it;
for( it = m_histMenuItems.begin(); it != m_histMenuItems.end(); ++it )
{
m_tools_history_menu->Destroy(it->first);
}
m_histMenuItems.clear();
wxVector<wxSharedPtr<wxWebViewHistoryItem> > back = m_browser->GetBackwardHistory();
wxVector<wxSharedPtr<wxWebViewHistoryItem> > forward = m_browser->GetForwardHistory();
wxMenuItem* item;
unsigned int i;
for(i = 0; i < back.size(); i++)
{
item = m_tools_history_menu->AppendRadioItem(wxID_ANY, back[i]->GetTitle());
m_histMenuItems[item->GetId()] = back[i];
Connect(item->GetId(), wxEVT_MENU,
wxCommandEventHandler(WebFrame::OnHistory), NULL, this );
}
wxString title = m_browser->GetCurrentTitle();
if ( title.empty() )
title = "(untitled)";
item = m_tools_history_menu->AppendRadioItem(wxID_ANY, title);
item->Check();
//No need to connect the current item
m_histMenuItems[item->GetId()] = wxSharedPtr<wxWebViewHistoryItem>(new wxWebViewHistoryItem(m_browser->GetCurrentURL(), m_browser->GetCurrentTitle()));
for(i = 0; i < forward.size(); i++)
{
item = m_tools_history_menu->AppendRadioItem(wxID_ANY, forward[i]->GetTitle());
m_histMenuItems[item->GetId()] = forward[i];
Connect(item->GetId(), wxEVT_TOOL,
wxCommandEventHandler(WebFrame::OnHistory), NULL, this );
}
wxPoint position = ScreenToClient( wxGetMousePosition() );
PopupMenu(m_tools_menu, position.x, position.y);
}
/**
* Invoked when user selects the zoom size in the menu
*/
void WebFrame::OnSetZoom(wxCommandEvent& evt)
{
if (evt.GetId() == m_tools_tiny->GetId())
{
m_browser->SetZoom(wxWEBVIEW_ZOOM_TINY);
}
else if (evt.GetId() == m_tools_small->GetId())
{
m_browser->SetZoom(wxWEBVIEW_ZOOM_SMALL);
}
else if (evt.GetId() == m_tools_medium->GetId())
{
m_browser->SetZoom(wxWEBVIEW_ZOOM_MEDIUM);
}
else if (evt.GetId() == m_tools_large->GetId())
{
m_browser->SetZoom(wxWEBVIEW_ZOOM_LARGE);
}
else if (evt.GetId() == m_tools_largest->GetId())
{
m_browser->SetZoom(wxWEBVIEW_ZOOM_LARGEST);
}
else
{
wxFAIL;
}
}
void WebFrame::OnZoomLayout(wxCommandEvent& WXUNUSED(evt))
{
if(m_tools_layout->IsChecked())
m_browser->SetZoomType(wxWEBVIEW_ZOOM_TYPE_LAYOUT);
else
m_browser->SetZoomType(wxWEBVIEW_ZOOM_TYPE_TEXT);
}
void WebFrame::OnHistory(wxCommandEvent& evt)
{
m_browser->LoadHistoryItem(m_histMenuItems[evt.GetId()]);
}
void WebFrame::OnRunScript(wxCommandEvent& WXUNUSED(evt))
{
wxTextEntryDialog dialog(this, "Enter JavaScript to run.", wxGetTextFromUserPromptStr, "", wxOK|wxCANCEL|wxCENTRE|wxTE_MULTILINE);
if(dialog.ShowModal() == wxID_OK)
{
m_browser->RunScript(dialog.GetValue());
}
}
void WebFrame::OnClearSelection(wxCommandEvent& WXUNUSED(evt))
{
m_browser->ClearSelection();
}
void WebFrame::OnDeleteSelection(wxCommandEvent& WXUNUSED(evt))
{
m_browser->DeleteSelection();
}
void WebFrame::OnSelectAll(wxCommandEvent& WXUNUSED(evt))
{
m_browser->SelectAll();
}
/**
* Callback invoked when a loading error occurs
*/
void WebFrame::OnError(wxWebViewEvent& evt)
{
#define WX_ERROR_CASE(type) \
case type: \
category = #type; \
break;
wxString category;
switch (evt.GetInt())
{
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_CONNECTION);
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_CERTIFICATE);
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_AUTH);
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_SECURITY);
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_NOT_FOUND);
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_REQUEST);
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_USER_CANCELLED);
WX_ERROR_CASE(wxWEBVIEW_NAV_ERR_OTHER);
}
wxLogMessage("%s", "Error; url='" + evt.GetURL() + "', error='" + category + " (" + evt.GetString() + ")'");
//Show the info bar with an error
m_info->ShowMessage(_("An error occurred loading ") + evt.GetURL() + "\n" +
"'" + category + "'", wxICON_ERROR);
UpdateState();
}
/**
* Invoked when user selects "Print" from the menu
*/
void WebFrame::OnPrint(wxCommandEvent& WXUNUSED(evt))
{
m_browser->Print();
}
SourceViewDialog::SourceViewDialog(wxWindow* parent, wxString source) :
wxDialog(parent, wxID_ANY, "Source Code",
wxDefaultPosition, wxSize(700,500),
wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
{
wxStyledTextCtrl* text = new wxStyledTextCtrl(this, wxID_ANY);
text->SetMarginWidth(1, 30);
text->SetMarginType(1, wxSTC_MARGIN_NUMBER);
text->SetText(source);
text->StyleClearAll();
text->SetLexer(wxSTC_LEX_HTML);
text->StyleSetForeground(wxSTC_H_DOUBLESTRING, wxColour(255,0,0));
text->StyleSetForeground(wxSTC_H_SINGLESTRING, wxColour(255,0,0));
text->StyleSetForeground(wxSTC_H_ENTITY, wxColour(255,0,0));
text->StyleSetForeground(wxSTC_H_TAG, wxColour(0,150,0));
text->StyleSetForeground(wxSTC_H_TAGUNKNOWN, wxColour(0,150,0));
text->StyleSetForeground(wxSTC_H_ATTRIBUTE, wxColour(0,0,150));
text->StyleSetForeground(wxSTC_H_ATTRIBUTEUNKNOWN, wxColour(0,0,150));
text->StyleSetForeground(wxSTC_H_COMMENT, wxColour(150,150,150));
wxBoxSizer* sizer = new wxBoxSizer(wxVERTICAL);
sizer->Add(text, 1, wxEXPAND);
SetSizer(sizer);
}
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