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webpanel.cpp
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webpanel.cpp
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#include <wx/wx.h>
#include "webcontrol.h"
#include "webpanel.h"
#include "gui_util.h"
void wxWebPanelBase::DoInit()
{
m_browser = NULL;
m_topSizer = NULL;
m_set_statusbar_enabled = false;
m_set_titlebar_enabled = false;
m_dom_contentloaded = false;
}
void wxWebPanelBase::DestroyGui()
{
if (NULL != m_browser)
delete m_browser;
if (NULL != m_topSizer)
delete m_topSizer;
}
wxWebPanelBase::wxWebPanelBase() : wxPanel()
{
DoInit();
}
wxWebPanelBase::wxWebPanelBase(
wxWindow *parent,
wxWindowID id,
const wxPoint &pos,
const wxSize &size,
long style,
const wxString &name) :
wxPanel(parent, id, pos, size, style, name)
{
DoInit();
}
wxWebPanelBase::~wxWebPanelBase()
{
}
void wxWebPanelBase::ArrangeGui()
{
m_topSizer = new wxGridSizer( 1 );
m_browser -> Create(this, wxID_WEB);
m_topSizer -> Add(m_browser, 0, wxEXPAND);
SetSizer(m_topSizer);
m_topSizer -> Fit(this);
}
void wxWebPanelBase::SetContainingFrameAccess(long access)
{
m_set_statusbar_enabled = (0 != (access & ACCESS_STATUSBAR));
m_set_titlebar_enabled = (0 != (access & ACCESS_TITLEBAR));
}
BEGIN_EVENT_TABLE(wxWebPanelBase, wxPanel)
// web events
EVT_WEB_STATUSTEXT(wxID_WEB, wxWebPanelBase::OnStatusText)
EVT_WEB_STATUSCHANGE(wxID_WEB, wxWebPanelBase::OnStatusChange)
EVT_WEB_STATECHANGE(wxID_WEB, wxWebPanelBase::OnStateChange)
EVT_WEB_LOCATIONCHANGE(wxID_WEB, wxWebPanelBase::OnLocationChange)
EVT_WEB_TITLECHANGE(wxID_WEB, wxWebPanelBase::OnTitleChange)
EVT_WEB_SHOWCONTEXTMENU(wxID_WEB, wxWebPanelBase::OnShowContextMenu)
EVT_WEB_INITDOWNLOAD(wxID_WEB, wxWebPanelBase::OnInitDownload)
EVT_WEB_SHOULDHANDLECONTENT(wxID_WEB, wxWebPanelBase::OnShouldHandleContent)
EVT_WEB_DOMCONTENTLOADED(wxID_WEB, wxWebPanelBase::OnDOMContentLoaded)
// Context menu events:
EVT_MENU(ID_OpenHref, wxWebPanelBase::OnOpenHref)
EVT_MENU(ID_OpenHrefInDefault, wxWebPanelBase::OnOpenHrefInDefaultBrowser)
EVT_MENU(wxID_BACKWARD, wxWebPanelBase::OnGoBack)
EVT_MENU(wxID_FORWARD, wxWebPanelBase::OnGoForward)
EVT_MENU(wxID_STOP, wxWebPanelBase::OnStop)
EVT_MENU(wxID_REFRESH, wxWebPanelBase::OnReload)
EVT_MENU(wxID_CUT, wxWebPanelBase::OnCut)
EVT_MENU(wxID_COPY, wxWebPanelBase::OnCopy)
EVT_MENU(ID_CopyLink, wxWebPanelBase::OnCopyLink)
EVT_MENU(wxID_PASTE, wxWebPanelBase::OnPaste)
EVT_MENU(wxID_SELECTALL, wxWebPanelBase::OnSelectAll)
// update events
EVT_UPDATE_UI(wxID_UNDO, wxWebPanelBase::OnUpdateUI)
EVT_UPDATE_UI(wxID_REDO, wxWebPanelBase::OnUpdateUI)
EVT_UPDATE_UI(wxID_CUT, wxWebPanelBase::OnUpdateUI)
EVT_UPDATE_UI(wxID_COPY, wxWebPanelBase::OnUpdateUI)
EVT_UPDATE_UI(ID_CopyLink, wxWebPanelBase::OnUpdateUI)
END_EVENT_TABLE()
void wxWebPanelBase::OnStatusText(wxWebEvent& evt)
{
// wxEVT_WEB_STATUSTEXT is received when somebody hovers
// the mouse over a link and the status text should
// be updated
if (SetStatusBarIsEnabled())
{
wxString status_text = evt.GetString();
if (status_text.Length() == 0)
status_text = _("Ready");
wxStatusBar* status_bar = m_containing_frame -> GetStatusBar();
if (NULL != status_bar)
status_bar->SetStatusText(status_text);
}
}
void wxWebPanelBase::OnStatusChange(wxWebEvent& evt)
{
// wxEVT_WEB_STATUSCHANGE is received when the status text
// changes when a web page is loading
if (SetStatusBarIsEnabled())
{
wxStatusBar* status_bar = m_containing_frame -> GetStatusBar();
if (NULL != status_bar)
status_bar->SetStatusText(evt.GetString());
}
// note: the status bar text is reset when
// all the content is finished loading, in
// OnDOMContentLoaded()
}
void wxWebPanelBase::OnStateChange(wxWebEvent& evt)
{
// clear the status bar hear since OnStatusChange() doesn't
// contain an empty string and we don't want "stuck" text in
// the statusbar
int state = evt.GetState();
if (SetStatusBarIsEnabled())
{
wxStatusBar* status_bar = m_containing_frame -> GetStatusBar();
if (NULL != status_bar)
{
wxString status_text = _("Ready");
if ((state & wxWEB_STATE_STOP) && (state & wxWEB_STATE_IS_REQUEST))
status_bar->SetStatusText(status_text);
if ((state & wxWEB_STATE_STOP) && (state & wxWEB_STATE_IS_REQUEST))
status_bar->SetStatusText(status_text);
}
}
}
void wxWebPanelBase::OnLocationChange(wxWebEvent& evt)
{
// set the url bar
#ifdef HAVE_URL_BAR
SetUrlBarValue(evt.GetString());
#endif
// set the DOM content loaded flag to false
// until the DOM is safely loaded
m_dom_contentloaded = false;
}
void wxWebPanelBase::OnTitleChange(wxWebEvent& evt)
{
if (SetTitleBarIsEnabled())
m_containing_frame -> SetTitle(evt.GetString());
}
void wxWebPanelBase::PopulatePopupMenu(wxMenu& menuPopup, const wxWebEvent& evt)
{
using namespace wxwc_util;
wxString href = evt.GetHref();
if (!href.IsEmpty())
{
static const menu_item_info link_items[] = {
{ ID_OpenHref, wxTRANSLATE("&Open"), wxART_FOLDER_OPEN },
{ ID_CopyLink, wxTRANSLATE("Copy &Link"), wxART_COPY },
{ ID_OpenHrefInDefault, wxTRANSLATE("Open Link in &Default browser") }
};
populate_menu(menuPopup, link_items, sizeof(link_items) / sizeof(link_items[0]));
m_uri_href = href;
}
else
{
static const menu_item_info navigation_items[] = {
{ wxID_BACKWARD, NULL, wxART_GO_BACK },
{ wxID_FORWARD, NULL, wxART_GO_FORWARD },
{ wxID_REFRESH, wxTRANSLATE("&Reload"), wxART_REDO },
{ wxID_STOP, wxTRANSLATE("&Stop loading"), wxART_CROSS_MARK },
};
populate_menu(menuPopup, navigation_items, sizeof(navigation_items) / sizeof(navigation_items[0]));
}
static const menu_item_info generic_items[] = {
{ wxID_SEPARATOR, NULL, NULL },
{ wxID_CUT, NULL, wxART_CUT },
{ wxID_COPY, NULL, wxART_COPY },
{ wxID_PASTE, NULL, wxART_PASTE },
{ wxID_SELECTALL, wxTRANSLATE("Select &All"), NULL },
{ wxID_SEPARATOR, NULL, NULL },
{ wxID_ZOOM_IN, wxTRANSLATE("Larger &Text"), wxART_LIST_VIEW },
{ wxID_ZOOM_OUT, wxTRANSLATE("&Smaller Text"), wxART_REPORT_VIEW },
{ wxID_ZOOM_100, wxTRANSLATE("&Normal Text"), NULL },
};
populate_menu(menuPopup, generic_items, sizeof(generic_items) / sizeof(generic_items[0]));
}
void wxWebPanelBase::OnShowContextMenu(wxWebEvent& evt)
{
wxMenu menuPopup;
PopulatePopupMenu(menuPopup, evt);
wxPoint pt_mouse = ::wxGetMousePosition();
pt_mouse = m_browser->ScreenToClient(pt_mouse);
PopupMenu(&menuPopup, pt_mouse);
}
void wxWebPanelBase::OnOpenHref(wxCommandEvent& evt)
{
m_browser->OpenURI(m_uri_href);
}
void wxWebPanelBase::OnOpenHrefInDefaultBrowser(wxCommandEvent& evt)
{
wxLaunchDefaultBrowser(m_uri_href);
}
void wxWebPanelBase::OnGoBack(wxCommandEvent& evt)
{
m_browser->GoBack();
}
void wxWebPanelBase::OnGoForward(wxCommandEvent& evt)
{
m_browser->GoForward();
}
void wxWebPanelBase::OnStop(wxCommandEvent& evt)
{
m_browser->Stop();
}
void wxWebPanelBase::OnReload(wxCommandEvent& evt)
{
m_browser->Reload();
}
void wxWebPanelBase::OnCut(wxCommandEvent& evt)
{
m_browser->CutSelection();
}
void wxWebPanelBase::OnCopy(wxCommandEvent& evt)
{
m_browser->CopySelection();
}
void wxWebPanelBase::OnCopyLink(wxCommandEvent& evt)
{
m_browser->CopyLinkLocation();
}
void wxWebPanelBase::OnPaste(wxCommandEvent& evt)
{
m_browser->Paste();
}
void wxWebPanelBase::OnSelectAll(wxCommandEvent& evt)
{
m_browser->SelectAll();
}
void wxWebPanelBase::OnZoomIn(wxCommandEvent& evt)
{
float zoom;
m_browser->GetTextZoom(&zoom);
m_browser->SetTextZoom(zoom + 0.10);
}
void wxWebPanelBase::OnZoomOut(wxCommandEvent& evt)
{
float zoom;
m_browser->GetTextZoom(&zoom);
m_browser->SetTextZoom(zoom - 0.10);
}
void wxWebPanelBase::OnZoomReset(wxCommandEvent& evt)
{
m_browser->SetTextZoom(1);
}
void wxWebPanelBase::OnInitDownload(wxWebEvent& evt)
{
// TODO: add download status indicator and option
// to open content in the browser
// note: this handler gets called when content is
// available to download; the content can be handled
// as follows:
// evt.SetDownloadAction(wxWEB_DOWNLOAD_OPEN); // open content
// evt.SetDownloadAction(wxWEB_DOWNLOAD_SAVEAS); // save content
// evt.SetDownloadAction(wxWEB_DOWNLOAD_CANCEL); // cancel the operation
// here, we'll allow the user to download it or cancel
// the operation
// get the filename
wxString filename = evt.GetFilename();
wxMessageDialog dlg(this,
wxString::Format(wxT("Would you like to download %s?"), (const wxChar*)filename.c_str()),
wxT("Download File"),
wxYES_NO);
int result = dlg.ShowModal();
switch (result)
{
case wxID_YES:
{
wxString filter;
filter += _("All Files");
filter += wxT(" (*.*)|*.*");
wxFileDialog dlg(this,
_("Save As"),
wxT(""),
filename,
filter,
wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
if (dlg.ShowModal() != wxID_OK)
{
evt.SetDownloadAction(wxWEB_DOWNLOAD_CANCEL);
return;
}
wxWebProgressBase* listener = new wxWebProgressBase;
evt.SetDownloadAction(wxWEB_DOWNLOAD_SAVEAS);
evt.SetDownloadTarget(dlg.GetPath());
evt.SetDownloadListener(listener);
}
break;
case wxID_NO:
evt.SetDownloadAction(wxWEB_DOWNLOAD_CANCEL);
break;
}
}
void wxWebPanelBase::OnShouldHandleContent(wxWebEvent& evt)
{
// note: this handler gets called when a content
// type needs to be handled and allows us to determine
// whether or not we want to handle the content type
// or let the browser handle it
// for example, by default, we'll let the browser handle
// all content types, except XML
// get the content type
wxString input_content_type = evt.GetContentType();
if (input_content_type == wxT("application/xml"))
{
// we have an XML content; don't let the browser
// handle this, since we'll do it ourselves
evt.SetShouldHandle(false);
// TODO: custom XML handling
return;
}
evt.Skip();
}
void wxWebPanelBase::OnDOMContentLoaded(wxWebEvent& evt)
{
m_dom_contentloaded = true;
}
void wxWebPanelBase::OnUpdateUI(wxUpdateUIEvent& evt)
{
int id = evt.GetId();
switch (id)
{
case wxID_UNDO:
evt.Enable(false); // TODO: undo needs to be implemented
break;
case wxID_REDO:
evt.Enable(false); // TODO: undo needs to be implemented
break;
case wxID_CUT:
evt.Enable(m_browser->CanCutSelection());
break;
case wxID_COPY:
evt.Enable(m_browser->CanCopySelection());
break;
case ID_CopyLink:
evt.Enable(m_browser->CanCopyLinkLocation());
break;
case wxID_PASTE:
evt.Enable(m_browser->CanPaste());
break;
/* Text searching is not yet implemented.
case ID_FindAgain:
evt.Enable(m_find_text.Length() > 0 ? true : false);
break;
*/
}
}