fix for potential crash when conversion fails

[wxWidgets.git] / samples / listctrl / listtest.cpp

diff --git a/samples/listctrl/listtest.cpp b/samples/listctrl/listtest.cpp
index bfef9f62abef47db72fbc67e6b1c6d5c07f77500..dd09aa34cc148a7f4af9b9064620902e40337b2e 100644 (file)
--- a/samples/listctrl/listtest.cpp
+++ b/samples/listctrl/listtest.cpp
@@ -9,11 +9,6 @@
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation
-#pragma interface
-#endif
-

 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 


@@ -46,6 +41,7 @@
 #include "wx/listctrl.h"
 #include "wx/timer.h"           // for wxStopWatch
 #include "wx/colordlg.h"        // for wxGetColourFromUser
 #include "wx/listctrl.h"
 #include "wx/timer.h"           // for wxStopWatch
 #include "wx/colordlg.h"        // for wxGetColourFromUser

+#include "wx/settings.h"

 
 #include "listtest.h"
 
 
 #include "listtest.h"
 


@@ -125,7 +121,12 @@ BEGIN_EVENT_TABLE(MyListCtrl, wxListCtrl)
 
     EVT_LIST_CACHE_HINT(LIST_CTRL, MyListCtrl::OnCacheHint)
 
 
     EVT_LIST_CACHE_HINT(LIST_CTRL, MyListCtrl::OnCacheHint)
 

+#if USE_CONTEXT_MENU
+    EVT_CONTEXT_MENU(MyListCtrl::OnContextMenu)
+#endif

     EVT_CHAR(MyListCtrl::OnChar)
     EVT_CHAR(MyListCtrl::OnChar)

+
+    EVT_RIGHT_DOWN(MyListCtrl::OnRightClick)

 END_EVENT_TABLE()
 
 IMPLEMENT_APP(MyApp)
 END_EVENT_TABLE()
 
 IMPLEMENT_APP(MyApp)


@@ -151,7 +152,7 @@ int wxCALLBACK MyCompareFunction(long item1, long item2, long WXUNUSED(sortData)
 bool MyApp::OnInit()
 {
   // Create the main frame window
 bool MyApp::OnInit()
 {
   // Create the main frame window

-  MyFrame *frame = new MyFrame(wxT("wxListCtrl Test"), 50, 50, 450, 340);
+  MyFrame *frame = new MyFrame(wxT("wxListCtrl Test"));

 
   // Show the frame
   frame->Show(true);
 
   // Show the frame
   frame->Show(true);


@@ -162,13 +163,16 @@ bool MyApp::OnInit()
 }
 
 // My frame constructor
 }
 
 // My frame constructor

-MyFrame::MyFrame(const wxChar *title, int x, int y, int w, int h)
-       : wxFrame(NULL, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
+MyFrame::MyFrame(const wxChar *title)
+       : wxFrame(NULL, wxID_ANY, title)

 {
     m_listCtrl = NULL;
     m_logWindow = NULL;
     m_smallVirtual = false;
 
 {
     m_listCtrl = NULL;
     m_logWindow = NULL;
     m_smallVirtual = false;
 

+    if (wxSystemSettings::GetScreenType() > wxSYS_SCREEN_SMALL)
+        SetSize(wxSize(450, 340));
+

     // Give it an icon
     SetIcon( wxICON(mondrian) );
 
     // Give it an icon
     SetIcon( wxICON(mondrian) );
 


@@ -491,12 +495,20 @@ void MyFrame::InitWithReportItems()
     m_listCtrl->SetItem( item );
 
     m_listCtrl->SetTextColour(*wxBLUE);
     m_listCtrl->SetItem( item );
 
     m_listCtrl->SetTextColour(*wxBLUE);

-    m_listCtrl->SetBackgroundColour(*wxLIGHT_GREY);

 
     m_listCtrl->SetColumnWidth( 0, wxLIST_AUTOSIZE );
     m_listCtrl->SetColumnWidth( 1, wxLIST_AUTOSIZE );
     m_listCtrl->SetColumnWidth( 2, wxLIST_AUTOSIZE );
 
 
     m_listCtrl->SetColumnWidth( 0, wxLIST_AUTOSIZE );
     m_listCtrl->SetColumnWidth( 1, wxLIST_AUTOSIZE );
     m_listCtrl->SetColumnWidth( 2, wxLIST_AUTOSIZE );
 

+    // Set images in columns
+    m_listCtrl->SetItemColumnImage(1, 1, 0);
+
+    wxListItem info;
+    info.SetImage(0);
+    info.SetId(3);
+    info.SetColumn(2);
+    m_listCtrl->SetItem(info);
+

     // test SetItemFont too
     m_listCtrl->SetItemFont(0, *wxITALIC_FONT);
 }
     // test SetItemFont too
     m_listCtrl->SetItemFont(0, *wxITALIC_FONT);
 }


@@ -999,6 +1011,36 @@ void MyListCtrl::OnChar(wxKeyEvent& event)
     }
 }
 
     }
 }
 

+void MyListCtrl::OnRightClick(wxMouseEvent& event)
+{
+    if ( !event.ControlDown() )
+    {
+        event.Skip();
+        return;
+    }
+
+    int flags;
+    long subitem;
+    long item = HitTest(event.GetPosition(), flags, &subitem);
+
+    wxString where;
+    switch ( flags )
+    {
+        case wxLIST_HITTEST_ABOVE: where = _T("above"); break;
+        case wxLIST_HITTEST_BELOW: where = _T("below"); break;
+        case wxLIST_HITTEST_NOWHERE: where = _T("nowhere near"); break;
+        case wxLIST_HITTEST_ONITEMICON: where = _T("on icon of"); break;
+        case wxLIST_HITTEST_ONITEMLABEL: where = _T("on label of"); break;
+        case wxLIST_HITTEST_ONITEMRIGHT: where = _T("right on"); break;
+        case wxLIST_HITTEST_TOLEFT: where = _T("to the left of"); break;
+        case wxLIST_HITTEST_TORIGHT: where = _T("to the right of"); break;
+        default: where = _T("not clear exactly where on"); break;
+    }
+
+    wxLogMessage(_T("Right double click %s item %ld, subitem %ld"),
+                 where.c_str(), item, subitem);
+}
+

 void MyListCtrl::LogEvent(const wxListEvent& event, const wxChar *eventName)
 {
     wxLogMessage(_T("Item %ld: %s (item text = %s, data = %ld)"),
 void MyListCtrl::LogEvent(const wxListEvent& event, const wxChar *eventName)
 {
     wxLogMessage(_T("Item %ld: %s (item text = %s, data = %ld)"),


@@ -1018,9 +1060,15 @@ wxString MyListCtrl::OnGetItemText(long item, long column) const
     }
 }
 
     }
 }
 

-int MyListCtrl::OnGetItemImage(long WXUNUSED(item)) const
+int MyListCtrl::OnGetItemColumnImage(long item, long column) const

 {
 {

-    return 0;
+    if (!column)
+        return 0;
+
+    if (!(item %3) && column == 1)
+        return 0;
+
+    return -1;

 }
 
 wxListItemAttr *MyListCtrl::OnGetItemAttr(long item) const
 }
 
 wxListItemAttr *MyListCtrl::OnGetItemAttr(long item) const


@@ -1036,8 +1084,35 @@ void MyListCtrl::InsertItemInReportView(int i)
     SetItemData(tmp, i);
 
     buf.Printf(_T("Col 1, item %d"), i);
     SetItemData(tmp, i);
 
     buf.Printf(_T("Col 1, item %d"), i);

-    SetItem(i, 1, buf);
+    SetItem(tmp, 1, buf);

 
     buf.Printf(_T("Item %d in column 2"), i);
 
     buf.Printf(_T("Item %d in column 2"), i);

-    SetItem(i, 2, buf);
+    SetItem(tmp, 2, buf);
+}
+
+#if USE_CONTEXT_MENU
+void MyListCtrl::OnContextMenu(wxContextMenuEvent& event)
+{
+    wxPoint point = event.GetPosition();
+    // If from keyboard
+    if (point.x == -1 && point.y == -1) {
+        wxSize size = GetSize();
+        point.x = size.x / 2;
+        point.y = size.y / 2;
+    } else {
+        point = ScreenToClient(point);
+    }
+    ShowContextMenu(point);
+}
+#endif
+
+void MyListCtrl::ShowContextMenu(const wxPoint& pos)
+{
+    wxMenu menu;
+
+    menu.Append(wxID_ABOUT, _T("&About"));
+    menu.AppendSeparator();
+    menu.Append(wxID_EXIT, _T("E&xit"));
+
+    PopupMenu(&menu, pos.x, pos.y);

 }
 }