/////////////////////////////////////////////////////////////////////////////
// Name: htmllbox.cpp
-// Purpose: HtmlLbox wxWindows sample
+// Purpose: HtmlLbox wxWidgets sample
// Author: Vadim Zeitlin
// Modified by:
// Created: 31.05.03
// RCS-ID: $Id$
-// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/textctrl.h"
#include "wx/dc.h"
+ #include "wx/icon.h"
#endif
#include "wx/colordlg.h"
+#include "wx/numdlg.h"
#include "wx/htmllbox.h"
#include "wx/textfile.h"
#endif
-// ----------------------------------------------------------------------------
-// resources
-// ----------------------------------------------------------------------------
-
-// the application icon (under Windows and OS/2 it is in resources)
-#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
- #include "mondrian.xpm"
-#endif
+#include "../sample.xpm"
// ----------------------------------------------------------------------------
// private classes
MyHtmlListBox(wxWindow *parent, bool multi = false);
void SetChangeSelFg(bool change) { m_change = change; }
+ void UpdateFirstItem();
protected:
+ // override this method to return data to be shown in the listbox (this is
+ // mandatory)
virtual wxString OnGetItem(size_t n) const;
- // change the appearance by overriding these functions
+ // change the appearance by overriding these functions (this is optional)
virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
virtual wxColour GetSelectedTextColour(const wxColour& colFg) const;
+ // override this method to handle mouse clicks
+ virtual void OnLinkClicked(size_t n, const wxHtmlLinkInfo& link);
+
+ // flag telling us whether we should use fg colour even for the selected
+ // item
bool m_change;
+ // flag which we toggle to update the first items text in OnGetItem()
+ bool m_firstItemUpdated;
+
+ // flag which we toggle when the user clicks on the link in 2nd item
+ // to change 2nd item's text
+ bool m_linkClicked;
+
+
#ifdef USE_HTML_FILE
wxTextFile m_file;
#endif
void OnDrawSeparator(wxCommandEvent&) { m_hlbox->RefreshAll(); }
void OnToggleMulti(wxCommandEvent& event);
void OnSelectAll(wxCommandEvent& event);
+ void OnUpdateItem(wxCommandEvent& event);
void OnSetBgCol(wxCommandEvent& event);
void OnSetSelBgCol(wxCommandEvent& event);
private:
MyHtmlListBox *m_hlbox;
- // any class wishing to process wxWindows events must use this macro
+ // any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
};
class MyApp : public wxApp
{
public:
- virtual bool OnInit() { (new MyFrame())->Show(); return TRUE; }
+ virtual bool OnInit() { (new MyFrame())->Show(); return true; }
};
// ----------------------------------------------------------------------------
HtmlLbox_DrawSeparator,
HtmlLbox_ToggleMulti,
HtmlLbox_SelectAll,
+ HtmlLbox_UpdateItem,
HtmlLbox_SetBgCol,
HtmlLbox_SetSelBgCol,
};
// ----------------------------------------------------------------------------
-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(HtmlLbox_DrawSeparator, MyFrame::OnDrawSeparator)
EVT_MENU(HtmlLbox_ToggleMulti, MyFrame::OnToggleMulti)
EVT_MENU(HtmlLbox_SelectAll, MyFrame::OnSelectAll)
+ EVT_MENU(HtmlLbox_UpdateItem, MyFrame::OnUpdateItem)
EVT_MENU(HtmlLbox_About, MyFrame::OnAbout)
// frame constructor
MyFrame::MyFrame()
- : wxFrame(NULL, -1, _T("HtmlLbox wxWindows Sample"),
+ : wxFrame(NULL, wxID_ANY, _T("HtmlLbox wxWidgets Sample"),
wxDefaultPosition, wxSize(400, 500))
{
// set the frame icon
- SetIcon(wxICON(mondrian));
+ SetIcon(wxIcon(sample_xpm));
#if wxUSE_MENUS
// create a menu bar
_T("Toggle multiple selection on/off"));
menuHLbox->AppendSeparator();
menuHLbox->Append(HtmlLbox_SelectAll, _T("Select &all items\tCtrl-A"));
+ menuHLbox->Append(HtmlLbox_UpdateItem, _T("Update &first item\tCtrl-U"));
menuHLbox->AppendSeparator();
menuHLbox->Append(HtmlLbox_SetBgCol, _T("Set &background...\tCtrl-B"));
menuHLbox->Append(HtmlLbox_SetSelBgCol,
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
- SetStatusText(_T("Welcome to wxWindows!"));
+ SetStatusText(_T("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
// create the child controls
m_hlbox = new MyHtmlListBox(this);
- wxTextCtrl *text = new wxTextCtrl(this, -1, _T(""),
+ wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, _T(""),
wxDefaultPosition, wxDefaultSize,
wxTE_MULTILINE);
delete wxLog::SetActiveTarget(new wxLogTextCtrl(text));
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
- // TRUE is to force the frame to close
- Close(TRUE);
+ // true is to force the frame to close
+ Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(_T("This sample shows wxHtmlListBox class.\n")
_T("\n")
- _T("© 2003 Vadim Zeitlin"),
+ _T("(c) 2003 Vadim Zeitlin"),
_T("About HtmlLbox"),
wxOK | wxICON_INFORMATION,
this);
event.Enable( m_hlbox && m_hlbox->HasMultipleSelection() );
}
+void MyFrame::OnUpdateItem(wxCommandEvent& WXUNUSED(event))
+{
+ m_hlbox->UpdateFirstItem();
+}
+
void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
{
wxColour col = wxGetColourFromUser(this, m_hlbox->GetBackgroundColour());
m_hlbox->SetBackgroundColour(col);
m_hlbox->Refresh();
+#if wxUSE_STATUSBAR
SetStatusText(_T("Background colour changed."));
+#endif // wxUSE_STATUSBAR
}
}
m_hlbox->SetSelectionBackground(col);
m_hlbox->Refresh();
+#if wxUSE_STATUSBAR
SetStatusText(_T("Selection background colour changed."));
+#endif // wxUSE_STATUSBAR
}
}
wxLogMessage(_T("Selected items: %s"), s.c_str());
}
+#if wxUSE_STATUSBAR
SetStatusText(wxString::Format(
_T("# items selected = %lu"),
(unsigned long)m_hlbox->GetSelectedCount()
));
+#endif // wxUSE_STATUSBAR
}
// ============================================================================
// ============================================================================
MyHtmlListBox::MyHtmlListBox(wxWindow *parent, bool multi)
- : wxHtmlListBox(parent, -1, wxDefaultPosition, wxDefaultSize,
+ : wxHtmlListBox(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
multi ? wxLB_MULTIPLE : 0)
{
m_change = true;
+ m_firstItemUpdated = false;
+ m_linkClicked = false;
+
SetMargins(5, 5);
wxString MyHtmlListBox::OnGetItem(size_t n) const
{
+ if ( !n && m_firstItemUpdated )
+ {
+ return wxString::Format(_T("<h1><b>Just updated</b></h1>"));
+ }
+
#ifdef USE_HTML_FILE
wxString s;
if ( m_file.IsOpened() )
return s;
#else
int level = n % 6 + 1;
- return wxString::Format(_T("<h%d><font color=#%2x%2x%2x>")
- _T("Item</font> <b>%lu</b>")
- _T("</h%d>"),
- level,
- abs(n - 192) % 256,
- abs(n - 256) % 256,
- abs(n - 128) % 256,
- (unsigned long)n, level);
+
+ wxColour clr((unsigned char)(abs((int)n - 192) % 256),
+ (unsigned char)(abs((int)n - 256) % 256),
+ (unsigned char)(abs((int)n - 128) % 256));
+
+ wxString label = wxString::Format(_T("<h%d><font color=%s>")
+ _T("Item</font> <b>%lu</b>")
+ _T("</h%d>"),
+ level,
+ clr.GetAsString(wxC2S_HTML_SYNTAX).c_str(),
+ (unsigned long)n, level);
+ if ( n == 1 )
+ {
+ if ( !m_linkClicked )
+ label += _T("<a href='1'>Click here...</a>");
+ else
+ label += _T("<font color='#9999ff'>Clicked here...</font>");
+ }
+
+ return label;
#endif
}
return m_change ? wxHtmlListBox::GetSelectedTextColour(colFg) : colFg;
}
+void MyHtmlListBox::UpdateFirstItem()
+{
+ m_firstItemUpdated = !m_firstItemUpdated;
+
+ RefreshLine(0);
+}
+
+void MyHtmlListBox::OnLinkClicked(size_t WXUNUSED(n),
+ const wxHtmlLinkInfo& WXUNUSED(link))
+{
+ m_linkClicked = true;
+
+ RefreshLine(1);
+}
projects / wxWidgets.git / blobdiff