Don't call wxTextMeasure::BeginMeasuring() when using non-native wxDC.

[wxWidgets.git] / samples / treectrl / treetest.cpp

diff --git a/samples/treectrl/treetest.cpp b/samples/treectrl/treetest.cpp
index 5ac4e9c5cbf2aa3f144df1cbaf3efee32b63e6d1..8085917c9ee8cbc48e6628b248da912cca129a93 100644 (file)
--- a/samples/treectrl/treetest.cpp
+++ b/samples/treectrl/treetest.cpp
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // For compilers that support precompilation, includes "wx/wx.h".
@@ -53,7 +53,7 @@
 #include "unchecked.xpm"
 #include "checked.xpm"
 
-#ifndef __WXMSW__
+#ifndef wxHAS_IMAGES_IN_RESOURCES
     #include "../sample.xpm"
 #endif
 
@@ -113,6 +113,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     MENU_LINK(Recreate)
     MENU_LINK(ToggleImages)
     MENU_LINK(ToggleStates)
+    MENU_LINK(ToggleBell)
     MENU_LINK(ToggleAlternateImages)
     MENU_LINK(ToggleAlternateStates)
     MENU_LINK(ToggleButtons)
@@ -142,6 +143,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     MENU_LINK(ShowPrevSibling)
     MENU_LINK(ShowNextSibling)
     MENU_LINK(ScrollTo)
+    MENU_LINK(SelectLast)
 #undef MENU_LINK
 
 END_EVENT_TABLE()
@@ -197,7 +199,6 @@ bool MyApp::OnInit()
 
     // Show the frame
     frame->Show(true);
-    SetTopWindow(frame);
 
     return true;
 }
@@ -214,7 +215,7 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
     // This reduces flicker effects - even better would be to define
     // OnEraseBackground to do nothing. When the tree control's scrollbars are
     // show or hidden, the frame is sent a background erase event.
-    SetBackgroundColour(wxColour(255, 255, 255));
+    SetBackgroundColour(*wxWHITE);
 
     // Give it an icon
     SetIcon(wxICON(sample));
@@ -228,7 +229,7 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
 
     file_menu->Append(TreeTest_ClearLog, wxT("&Clear log\tCtrl-L"));
     file_menu->AppendSeparator();
-    file_menu->Append(TreeTest_About, wxT("&About..."));
+    file_menu->Append(TreeTest_About, wxT("&About"));
     file_menu->AppendSeparator();
     file_menu->Append(TreeTest_Quit, wxT("E&xit\tAlt-X"));
 
@@ -247,6 +248,7 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
 #endif // NO_MULTIPLE_SELECTION
     style_menu->AppendCheckItem(TreeTest_ToggleImages, wxT("Toggle show ima&ges"));
     style_menu->AppendCheckItem(TreeTest_ToggleStates, wxT("Toggle show st&ates"));
+    style_menu->AppendCheckItem(TreeTest_ToggleBell, wxT("Toggle &bell on no match"));
     style_menu->AppendCheckItem(TreeTest_ToggleAlternateImages, wxT("Toggle alternate images"));
     style_menu->AppendCheckItem(TreeTest_ToggleAlternateStates, wxT("Toggle alternate state images"));
     style_menu->Append(TreeTest_SetImageSize, wxT("Set image si&ze..."));
@@ -308,6 +310,8 @@ MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
     item_menu->AppendSeparator();
     item_menu->Append(TreeTest_ScrollTo, "Scroll &to item",
                       "Scroll to the last by one top level child");
+    item_menu->Append(TreeTest_SelectLast, "Select &last item",
+                      "Select the last item");
 
 #ifndef NO_MULTIPLE_SELECTION
     item_menu->AppendSeparator();
@@ -703,6 +707,11 @@ void MyFrame::OnToggleStates(wxCommandEvent& WXUNUSED(event))
     }
 }
 
+void MyFrame::OnToggleBell(wxCommandEvent& event)
+{
+    m_treeCtrl->EnableBellOnNoMatch(event.IsChecked());
+}
+
 void MyFrame::OnToggleAlternateImages(wxCommandEvent& WXUNUSED(event))
 {
     bool alternateImages = m_treeCtrl->AlternateImages();
@@ -804,7 +813,7 @@ void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
     {
         m_treeCtrl->SetSpacing( indent-5 );
         m_treeCtrl->Refresh();
-    } 
+    }
 }
 
 void MyFrame::OnToggleIcon(wxCommandEvent& WXUNUSED(event))
@@ -878,17 +887,35 @@ void MyFrame::OnScrollTo(wxCommandEvent& WXUNUSED(event))
     m_treeCtrl->ScrollTo(item);
 }
 
+void MyFrame::OnSelectLast(wxCommandEvent& WXUNUSED(event))
+{
+    // select the very last item of the tree
+    wxTreeItemId item = m_treeCtrl->GetRootItem();
+    for ( ;; )
+    {
+        wxTreeItemId itemChild = m_treeCtrl->GetLastChild(item);
+        if ( !itemChild.IsOk() )
+            break;
+
+        item = itemChild;
+    }
+
+    CHECK_ITEM( item );
+
+    m_treeCtrl->SelectItem(item);
+}
+
 void MyFrame::OnSetFgColour(wxCommandEvent& WXUNUSED(event))
 {
     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetForegroundColour());
-    if ( col.Ok() )
+    if ( col.IsOk() )
         m_treeCtrl->SetForegroundColour(col);
 }
 
 void MyFrame::OnSetBgColour(wxCommandEvent& WXUNUSED(event))
 {
     wxColour col = wxGetColourFromUser(this, m_treeCtrl->GetBackgroundColour());
-    if ( col.Ok() )
+    if ( col.IsOk() )
         m_treeCtrl->SetBackgroundColour(col);
 }
 
@@ -1003,10 +1030,10 @@ void MyTreeCtrl::CreateStateImageList(bool del)
         wxIcon icons[2];
         icons[0] = wxIcon(unchecked_xpm);
         icons[1] = wxIcon(checked_xpm);
-        
+
         int width  = icons[0].GetWidth(),
             height = icons[0].GetHeight();
-            
+
         // Make an state image list containing small icons
         states = new wxImageList(width, height, true);
 
@@ -1550,13 +1577,14 @@ void MyTreeCtrl::OnItemStateClick(wxTreeEvent& event)
 void MyTreeCtrl::OnItemMenu(wxTreeEvent& event)
 {
     wxTreeItemId itemId = event.GetItem();
-    MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
-                                         : NULL;
+    wxCHECK_RET( itemId.IsOk(), "should have a valid item" );
+
+    MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
     wxPoint clientpt = event.GetPoint();
     wxPoint screenpt = ClientToScreen(clientpt);
 
     wxLogMessage(wxT("OnItemMenu for item \"%s\" at screen coords (%i, %i)"),
-                 item ? item->GetDesc() : wxT(""), screenpt.x, screenpt.y);
+                 item->GetDesc(), screenpt.x, screenpt.y);
 
     ShowMenu(itemId, clientpt);
     event.Skip();
@@ -1585,7 +1613,7 @@ void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
 
 #if wxUSE_MENUS
     wxMenu menu(title);
-    menu.Append(TreeTest_About, wxT("&About..."));
+    menu.Append(TreeTest_About, wxT("&About"));
     menu.AppendSeparator();
     menu.Append(TreeTest_Highlight, wxT("&Highlight item"));
     menu.Append(TreeTest_Dump, wxT("&Dump"));
@@ -1597,11 +1625,11 @@ void MyTreeCtrl::ShowMenu(wxTreeItemId id, const wxPoint& pt)
 void MyTreeCtrl::OnItemRClick(wxTreeEvent& event)
 {
     wxTreeItemId itemId = event.GetItem();
-    MyTreeItemData *item = itemId.IsOk() ? (MyTreeItemData *)GetItemData(itemId)
-                                         : NULL;
+    wxCHECK_RET( itemId.IsOk(), "should have a valid item" );
+
+    MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
 
-    wxLogMessage(wxT("Item \"%s\" right clicked"), item ? item->GetDesc()
-                                                        : wxT(""));
+    wxLogMessage(wxT("Item \"%s\" right clicked"), item->GetDesc());
 
     event.Skip();
 }