X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8520f1374ceec64abae3802984c4f8654d8836ba..0a95d3369e08206a43032472418693f7726591e5:/samples/htlbox/htlbox.cpp?ds=sidebyside

diff --git a/samples/htlbox/htlbox.cpp b/samples/htlbox/htlbox.cpp
index 93b6d26f58..4e445bdeb1 100644
--- a/samples/htlbox/htlbox.cpp
+++ b/samples/htlbox/htlbox.cpp
@@ -37,6 +37,7 @@
     #include "wx/textctrl.h"
 
     #include "wx/dc.h"
+    #include "wx/icon.h"
 #endif
 
 #include "wx/colordlg.h"
@@ -51,14 +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
@@ -69,26 +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:
@@ -96,6 +107,7 @@ public:
     virtual ~MyFrame();
 
     // event handlers
+    void OnSimpleOrCustomBox(wxCommandEvent& event);
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 
@@ -103,6 +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);
@@ -114,11 +127,22 @@ 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 wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()
@@ -138,12 +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,
@@ -160,12 +187,15 @@ enum
 // ----------------------------------------------------------------------------
 
 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)
 
@@ -178,6 +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)
@@ -193,14 +230,19 @@ IMPLEMENT_APP(MyApp)
 // 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(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
@@ -217,6 +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,
@@ -245,9 +288,9 @@ MyFrame::MyFrame()
     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);
@@ -255,8 +298,8 @@ MyFrame::MyFrame()
 
     // 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);
 }
@@ -266,10 +309,61 @@ 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("<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
@@ -280,7 +374,7 @@ 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);
@@ -304,17 +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;
+    CreateBox();
+    GetSizer()->Replace(old, m_hlbox);
+    delete old;
 
-    m_hlbox = new MyHtmlListBox(this, event.IsChecked());
-    sizer->Prepend(m_hlbox, 1, wxGROW);
-
-    sizer->Layout();
+    GetSizer()->Layout();
 }
 
 void MyFrame::OnSelectAll(wxCommandEvent& WXUNUSED(event))
@@ -327,6 +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());
@@ -357,8 +456,37 @@ void MyFrame::OnSetSelBgCol(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::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();
 }
 
 // ----------------------------------------------------------------------------
@@ -367,7 +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() )
     {
@@ -403,11 +531,16 @@ void MyFrame::OnLboxSelect(wxCommandEvent& event)
 // 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);
 
@@ -440,6 +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("<h1><b>Just updated</b></h1>"));
+    }
+
 #ifdef USE_HTML_FILE
     wxString s;
     if ( m_file.IsOpened() )
@@ -448,14 +586,26 @@ wxString MyHtmlListBox::OnGetItem(size_t n) const
     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
 }
 
@@ -464,3 +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);
+}