X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c2a331e02732bb6a04a42ebf646d54b4373ad122..d95527de9ac48fa54207ebf698286f92e909faaf:/samples/htlbox/htlbox.cpp diff --git a/samples/htlbox/htlbox.cpp b/samples/htlbox/htlbox.cpp index 97a8815af9..4e445bdeb1 100644 --- a/samples/htlbox/htlbox.cpp +++ b/samples/htlbox/htlbox.cpp @@ -1,11 +1,11 @@ ///////////////////////////////////////////////////////////////////////////// // 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 +// Copyright: (c) 2003 Vadim Zeitlin // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -37,9 +37,11 @@ #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" @@ -50,14 +52,7 @@ #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 @@ -68,26 +63,43 @@ class MyHtmlListBox : public wxHtmlListBox { public: + MyHtmlListBox() { } 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; + // 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; + +public: + + // 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 DECLARE_NO_COPY_CLASS(MyHtmlListBox) + DECLARE_DYNAMIC_CLASS(MyHtmlListBox) }; + class MyFrame : public wxFrame { public: @@ -95,6 +107,7 @@ public: virtual ~MyFrame(); // event handlers + void OnSimpleOrCustomBox(wxCommandEvent& event); void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); @@ -102,6 +115,7 @@ public: 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); @@ -113,20 +127,31 @@ public: 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()); } + + void OnHtmlLinkClicked(wxHtmlLinkEvent& event); + void OnHtmlCellHover(wxHtmlCellEvent &event); + void OnHtmlCellClicked(wxHtmlCellEvent &event); + + 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 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; } }; // ---------------------------------------------------------------------------- @@ -137,12 +162,15 @@ public: enum { // menu items - HtmlLbox_Quit = 1, + HtmlLbox_CustomBox = 1, + HtmlLbox_SimpleBox, + HtmlLbox_Quit, HtmlLbox_SetMargins, HtmlLbox_DrawSeparator, HtmlLbox_ToggleMulti, HtmlLbox_SelectAll, + HtmlLbox_UpdateItem, HtmlLbox_SetBgCol, HtmlLbox_SetSelBgCol, @@ -155,16 +183,19 @@ enum }; // ---------------------------------------------------------------------------- -// event tables and other macros for wxWindows +// event tables and other macros for wxWidgets // ---------------------------------------------------------------------------- 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) 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) @@ -177,6 +208,13 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_LISTBOX(wxID_ANY, MyFrame::OnLboxSelect) EVT_LISTBOX_DCLICK(wxID_ANY, MyFrame::OnLboxDClick) + + + // the HTML listbox's events + EVT_HTML_LINK_CLICKED(wxID_ANY, MyFrame::OnHtmlLinkClicked) + EVT_HTML_CELL_HOVER(wxID_ANY, MyFrame::OnHtmlCellHover) + EVT_HTML_CELL_CLICKED(wxID_ANY, MyFrame::OnHtmlCellClicked) + END_EVENT_TABLE() IMPLEMENT_APP(MyApp) @@ -191,15 +229,20 @@ IMPLEMENT_APP(MyApp) // frame constructor MyFrame::MyFrame() - : wxFrame(NULL, -1, _T("HtmlLbox wxWindows Sample"), - wxDefaultPosition, wxSize(400, 500)) + : wxFrame(NULL, wxID_ANY, _T("HtmlLbox wxWidgets Sample"), + wxDefaultPosition, wxSize(500, 500)) { // set the frame icon - SetIcon(wxICON(mondrian)); + 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 @@ -216,6 +259,7 @@ MyFrame::MyFrame() _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, @@ -242,20 +286,20 @@ MyFrame::MyFrame() #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(""), + CreateBox(); + wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, _T(""), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); delete wxLog::SetActiveTarget(new wxLogTextCtrl(text)); // 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); } @@ -265,21 +309,72 @@ MyFrame::~MyFrame() 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("") + _T("Item %lu") + _T(""), + 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 - 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); @@ -303,17 +398,16 @@ void MyFrame::OnSetMargins(wxCommandEvent& WXUNUSED(event)) } } -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)) @@ -326,6 +420,12 @@ void MyFrame::OnUpdateUISelectAll(wxUpdateUIEvent& event) event.Enable( m_hlbox && m_hlbox->HasMultipleSelection() ); } +void MyFrame::OnUpdateItem(wxCommandEvent& WXUNUSED(event)) +{ + if (GetMyBox()) + GetMyBox()->UpdateFirstItem(); +} + void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event)) { wxColour col = wxGetColourFromUser(this, m_hlbox->GetBackgroundColour()); @@ -334,7 +434,9 @@ void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event)) m_hlbox->SetBackgroundColour(col); m_hlbox->Refresh(); +#if wxUSE_STATUSBAR SetStatusText(_T("Background colour changed.")); +#endif // wxUSE_STATUSBAR } } @@ -346,14 +448,45 @@ void MyFrame::OnSetSelBgCol(wxCommandEvent& WXUNUSED(event)) m_hlbox->SetSelectionBackground(col); m_hlbox->Refresh(); +#if wxUSE_STATUSBAR SetStatusText(_T("Selection background colour changed.")); +#endif // wxUSE_STATUSBAR } } void MyFrame::OnSetSelFgCol(wxCommandEvent& event) { - m_hlbox->SetChangeSelFg(!event.IsChecked()); - m_hlbox->Refresh(); + if (GetMyBox()) + { + GetMyBox()->SetChangeSelFg(!event.IsChecked()); + GetMyBox()->Refresh(); + } +} + +void MyFrame::OnHtmlLinkClicked(wxHtmlLinkEvent &event) +{ + wxLogMessage(wxT("The url '%s' has been clicked!"), event.GetLinkInfo().GetHref().c_str()); + + if (GetMyBox()) + { + GetMyBox()->m_linkClicked = true; + GetMyBox()->RefreshLine(1); + } +} + +void MyFrame::OnHtmlCellHover(wxHtmlCellEvent &event) +{ + wxLogMessage(wxT("Mouse moved over cell %p at %d;%d"), + event.GetCell(), event.GetPoint().x, event.GetPoint().y); +} + +void MyFrame::OnHtmlCellClicked(wxHtmlCellEvent &event) +{ + wxLogMessage(wxT("Click over cell %p at %d;%d"), + event.GetCell(), event.GetPoint().x, event.GetPoint().y); + + // if we don't skip the event, OnHtmlLinkClicked won't be called! + event.Skip(); } // ---------------------------------------------------------------------------- @@ -362,7 +495,7 @@ void MyFrame::OnSetSelFgCol(wxCommandEvent& event) 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() ) { @@ -386,21 +519,28 @@ void MyFrame::OnLboxSelect(wxCommandEvent& event) 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 // ============================================================================ +IMPLEMENT_DYNAMIC_CLASS(MyHtmlListBox, wxHtmlListBox) + 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); @@ -433,6 +573,11 @@ void MyHtmlListBox::OnDrawSeparator(wxDC& dc, wxRect& rect, size_t) const wxString MyHtmlListBox::OnGetItem(size_t n) const { + if ( !n && m_firstItemUpdated ) + { + return wxString::Format(_T("

Just updated

")); + } + #ifdef USE_HTML_FILE wxString s; if ( m_file.IsOpened() ) @@ -441,14 +586,26 @@ wxString MyHtmlListBox::OnGetItem(size_t n) const return s; #else int level = n % 6 + 1; - return wxString::Format(_T("") - _T("Item %lu") - _T(""), - 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("") + _T("Item %lu") + _T(""), + level, + clr.GetAsString(wxC2S_HTML_SYNTAX).c_str(), + (unsigned long)n, level); + if ( n == 1 ) + { + if ( !m_linkClicked ) + label += _T("Click here..."); + else + label += _T("Clicked here..."); + } + + return label; #endif } @@ -457,3 +614,9 @@ wxColour MyHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const return m_change ? wxHtmlListBox::GetSelectedTextColour(colFg) : colFg; } +void MyHtmlListBox::UpdateFirstItem() +{ + m_firstItemUpdated = !m_firstItemUpdated; + + RefreshLine(0); +}