class MyHtmlListBox : public wxHtmlListBox
{
public:
+ MyHtmlListBox() { }
MyHtmlListBox(wxWindow *parent, bool multi = false);
void SetChangeSelFg(bool change) { m_change = change; }
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
// 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
#endif
DECLARE_NO_COPY_CLASS(MyHtmlListBox)
+ DECLARE_DYNAMIC_CLASS(MyHtmlListBox)
};
+
class MyFrame : public wxFrame
{
public:
virtual ~MyFrame();
// event handlers
+ void OnSimpleOrCustomBox(wxCommandEvent& event);
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnLboxSelect(wxCommandEvent& event);
void OnLboxDClick(wxCommandEvent& event)
{
- wxLogMessage(_T("Listbox item %ld double clicked."), event.GetInt());
+ wxLogMessage(_T("Listbox item %d double clicked."), event.GetInt());
}
+
+ wxSimpleHtmlListBox *GetSimpleBox()
+ { return wxDynamicCast(m_hlbox, wxSimpleHtmlListBox); }
+ MyHtmlListBox *GetMyBox()
+ { return wxDynamicCast(m_hlbox, MyHtmlListBox); }
+
+ void CreateBox();
private:
- MyHtmlListBox *m_hlbox;
+ wxHtmlListBox *m_hlbox;
// any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
enum
{
// menu items
- HtmlLbox_Quit = 1,
+ HtmlLbox_CustomBox = 1,
+ HtmlLbox_SimpleBox,
+ HtmlLbox_Quit,
HtmlLbox_SetMargins,
HtmlLbox_DrawSeparator,
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(HtmlLbox_CustomBox, MyFrame::OnSimpleOrCustomBox)
+ EVT_MENU(HtmlLbox_SimpleBox, MyFrame::OnSimpleOrCustomBox)
EVT_MENU(HtmlLbox_Quit, MyFrame::OnQuit)
EVT_MENU(HtmlLbox_SetMargins, MyFrame::OnSetMargins)
// frame constructor
MyFrame::MyFrame()
: wxFrame(NULL, wxID_ANY, _T("HtmlLbox wxWidgets Sample"),
- wxDefaultPosition, wxSize(400, 500))
+ wxDefaultPosition, wxSize(500, 500))
{
// set the frame icon
SetIcon(wxIcon(sample_xpm));
#if wxUSE_MENUS
// create a menu bar
wxMenu *menuFile = new wxMenu;
+ menuFile->AppendRadioItem(HtmlLbox_CustomBox, _T("Use custom box"),
+ _T("Use a wxHtmlListBox virtual class control"));
+ menuFile->AppendRadioItem(HtmlLbox_SimpleBox, _T("Use simple box"),
+ _T("Use a wxSimpleHtmlListBox control"));
+ menuFile->AppendSeparator();
menuFile->Append(HtmlLbox_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
// create our specific menu
CreateStatusBar(2);
SetStatusText(_T("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
-
+
// create the child controls
- m_hlbox = new MyHtmlListBox(this);
+ CreateBox();
wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, _T(""),
wxDefaultPosition, wxDefaultSize,
wxTE_MULTILINE);
// and lay them out
wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
- sizer->Add(m_hlbox, 1, wxGROW);
- sizer->Add(text, 1, wxGROW);
+ sizer->Add(m_hlbox, 2, wxGROW);
+ sizer->Add(text, 3, wxGROW);
SetSizer(sizer);
}
delete wxLog::SetActiveTarget(NULL);
}
+void MyFrame::CreateBox()
+{
+ bool multi = GetMenuBar()->IsChecked(HtmlLbox_ToggleMulti);
+
+ if ( GetMenuBar()->IsChecked(HtmlLbox_CustomBox) )
+ {
+ m_hlbox = new MyHtmlListBox(this, multi);
+ }
+ else // simple listbox
+ {
+ m_hlbox = new wxSimpleHtmlListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+ 0, NULL, multi ? wxLB_MULTIPLE : 0);
+
+ // unlike wxHtmlListBox which is abstract, wxSimpleHtmlListBox is a
+ // concrete control and doesn't support virtual mode, this we need
+ // to add all of its items from the beginning
+ wxArrayString arr;
+ for (size_t n = 0; n < 1000; n++ )
+ {
+ wxColour clr((unsigned char)(abs((int)n - 192) % 256),
+ (unsigned char)(abs((int)n - 256) % 256),
+ (unsigned char)(abs((int)n - 128) % 256));
+ int level = n % 6 + 1;
+
+ 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);
+ arr.Add(label);
+ }
+
+ GetSimpleBox()->Append(arr);
+ }
+}
+
+
// ----------------------------------------------------------------------------
// menu event handlers
// ----------------------------------------------------------------------------
+void MyFrame::OnSimpleOrCustomBox(wxCommandEvent& WXUNUSED(event))
+{
+ wxWindow *old = m_hlbox;
+
+ // we need to recreate the listbox
+ CreateBox();
+ GetSizer()->Replace(old, m_hlbox);
+ delete old;
+
+ GetSizer()->Layout();
+ Refresh();
+}
+
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
}
}
-void MyFrame::OnToggleMulti(wxCommandEvent& event)
+void MyFrame::OnToggleMulti(wxCommandEvent& WXUNUSED(event))
{
+ wxWindow *old = m_hlbox;
+
// we need to recreate the listbox
- wxSizer *sizer = GetSizer();
- sizer->Detach(m_hlbox);
- delete m_hlbox;
-
- m_hlbox = new MyHtmlListBox(this, event.IsChecked());
- sizer->Prepend(m_hlbox, 1, wxGROW);
+ CreateBox();
+ GetSizer()->Replace(old, m_hlbox);
+ delete old;
- sizer->Layout();
+ GetSizer()->Layout();
}
void MyFrame::OnSelectAll(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnUpdateItem(wxCommandEvent& WXUNUSED(event))
{
- m_hlbox->UpdateFirstItem();
+ if (GetMyBox())
+ GetMyBox()->UpdateFirstItem();
}
void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnSetSelFgCol(wxCommandEvent& event)
{
- m_hlbox->SetChangeSelFg(!event.IsChecked());
- m_hlbox->Refresh();
+ if (GetMyBox())
+ {
+ GetMyBox()->SetChangeSelFg(!event.IsChecked());
+ GetMyBox()->Refresh();
+ }
}
// ----------------------------------------------------------------------------
void MyFrame::OnLboxSelect(wxCommandEvent& event)
{
- wxLogMessage(_T("Listbox selection is now %ld."), event.GetInt());
+ wxLogMessage(_T("Listbox selection is now %d."), event.GetInt());
if ( m_hlbox->HasMultipleSelection() )
{
// MyHtmlListBox
// ============================================================================
+IMPLEMENT_DYNAMIC_CLASS(MyHtmlListBox, wxHtmlListBox)
+
MyHtmlListBox::MyHtmlListBox(wxWindow *parent, bool multi)
: wxHtmlListBox(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
multi ? wxLB_MULTIPLE : 0)
{
m_change = true;
m_firstItemUpdated = false;
+ m_linkClicked = false;
SetMargins(5, 5);
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((int)n - 192) % 256,
- abs((int)n - 256) % 256,
- abs((int)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
}
RefreshLine(0);
}
+void MyHtmlListBox::OnLinkClicked(size_t WXUNUSED(n),
+ const wxHtmlLinkInfo& WXUNUSED(link))
+{
+ m_linkClicked = true;
+
+ RefreshLine(1);
+}
+
projects / wxWidgets.git / blobdiff