]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/widgets/listbox.cpp
Get rid of useless temporaries in wxAffineMatrix2D unit test.
[wxWidgets.git] / samples / widgets / listbox.cpp
index b189d3b22b55ba4915f9defc7542b6b26814c602..9278c6306b67b975e002b1f5ef70cb8b141a61c8 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     27.03.01
 // Id:          $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin
-// License:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -44,6 +44,7 @@
 
 #include "wx/checklst.h"
 
+#include "itemcontainer.h"
 #include "widgets.h"
 
 #include "icons/listbox.xpm"
@@ -66,19 +67,23 @@ enum
     ListboxPage_Delete,
     ListboxPage_DeleteText,
     ListboxPage_DeleteSel,
-    ListboxPage_Listbox
+    ListboxPage_Listbox,
+    ListboxPage_EnsureVisible,
+    ListboxPage_EnsureVisibleText,
+    ListboxPage_ContainerTests
 };
 
 // ----------------------------------------------------------------------------
 // ListboxWidgetsPage
 // ----------------------------------------------------------------------------
 
-class ListboxWidgetsPage : public WidgetsPage
+class ListboxWidgetsPage : public ItemContainerWidgetsPage
 {
 public:
     ListboxWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
 
     virtual wxControl *GetWidget() const { return m_lbox; }
+    virtual wxItemContainer* GetContainer() const { return m_lbox; }
     virtual void RecreateWidget() { CreateLbox(); }
 
     // lazy creation of the content
@@ -88,6 +93,7 @@ protected:
     // event handlers
     void OnButtonReset(wxCommandEvent& event);
     void OnButtonChange(wxCommandEvent& event);
+    void OnButtonEnsureVisible(wxCommandEvent& event);
     void OnButtonDelete(wxCommandEvent& event);
     void OnButtonDeleteSel(wxCommandEvent& event);
     void OnButtonClear(wxCommandEvent& event);
@@ -103,6 +109,7 @@ protected:
 
     void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
     void OnUpdateUIClearButton(wxUpdateUIEvent& event);
+    void OnUpdateUIEnsureVisibleButton(wxUpdateUIEvent& event);
     void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
     void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
     void OnUpdateUIResetButton(wxUpdateUIEvent& event);
@@ -113,6 +120,11 @@ protected:
     // (re)create the listbox
     void CreateLbox();
 
+    // read the value of a listbox item index from the given control, return
+    // false if it's invalid
+    bool GetValidIndexFromText(const wxTextCtrl *text, int *n = NULL) const;
+
+
     // listbox parameters
     // ------------------
 
@@ -157,6 +169,7 @@ protected:
     // the text entries for "Add/change string" and "Delete" buttons
     wxTextCtrl *m_textAdd,
                *m_textChange,
+               *m_textEnsureVisible,
                *m_textDelete;
 
 private:
@@ -173,13 +186,16 @@ BEGIN_EVENT_TABLE(ListboxWidgetsPage, WidgetsPage)
     EVT_BUTTON(ListboxPage_Change, ListboxWidgetsPage::OnButtonChange)
     EVT_BUTTON(ListboxPage_Delete, ListboxWidgetsPage::OnButtonDelete)
     EVT_BUTTON(ListboxPage_DeleteSel, ListboxWidgetsPage::OnButtonDeleteSel)
+    EVT_BUTTON(ListboxPage_EnsureVisible, ListboxWidgetsPage::OnButtonEnsureVisible)
     EVT_BUTTON(ListboxPage_Clear, ListboxWidgetsPage::OnButtonClear)
     EVT_BUTTON(ListboxPage_Add, ListboxWidgetsPage::OnButtonAdd)
     EVT_BUTTON(ListboxPage_AddSeveral, ListboxWidgetsPage::OnButtonAddSeveral)
     EVT_BUTTON(ListboxPage_AddMany, ListboxWidgetsPage::OnButtonAddMany)
+    EVT_BUTTON(ListboxPage_ContainerTests, ItemContainerWidgetsPage::OnButtonTestItemContainer)
 
     EVT_TEXT_ENTER(ListboxPage_AddText, ListboxWidgetsPage::OnButtonAdd)
     EVT_TEXT_ENTER(ListboxPage_DeleteText, ListboxWidgetsPage::OnButtonDelete)
+    EVT_TEXT_ENTER(ListboxPage_EnsureVisibleText, ListboxWidgetsPage::OnButtonEnsureVisible)
 
     EVT_UPDATE_UI(ListboxPage_Reset, ListboxWidgetsPage::OnUpdateUIResetButton)
     EVT_UPDATE_UI(ListboxPage_AddSeveral, ListboxWidgetsPage::OnUpdateUIAddSeveral)
@@ -189,6 +205,7 @@ BEGIN_EVENT_TABLE(ListboxWidgetsPage, WidgetsPage)
     EVT_UPDATE_UI(ListboxPage_Change, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
     EVT_UPDATE_UI(ListboxPage_ChangeText, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
     EVT_UPDATE_UI(ListboxPage_DeleteSel, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
+    EVT_UPDATE_UI(ListboxPage_EnsureVisible, ListboxWidgetsPage::OnUpdateUIEnsureVisibleButton)
 
     EVT_LISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnListbox)
     EVT_LISTBOX_DCLICK(ListboxPage_Listbox, ListboxWidgetsPage::OnListboxDClick)
@@ -208,13 +225,13 @@ END_EVENT_TABLE()
     #define FAMILY_CTRLS NATIVE_CTRLS
 #endif
 
-IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, _T("Listbox"),
+IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, wxT("Listbox"),
                        FAMILY_CTRLS | WITH_ITEMS_CTRLS
                        );
 
 ListboxWidgetsPage::ListboxWidgetsPage(WidgetsBookCtrl *book,
                                        wxImageList *imaglist)
-                  : WidgetsPage(book, imaglist, listbox_xpm)
+                  : ItemContainerWidgetsPage(book, imaglist, listbox_xpm)
 {
     // init everything
     m_radioSelMode = (wxRadioBox *)NULL;
@@ -242,17 +259,17 @@ void ListboxWidgetsPage::CreateContent()
 
     // left pane
     wxStaticBox *box = new wxStaticBox(this, wxID_ANY,
-        _T("&Set listbox parameters"));
+        wxT("&Set listbox parameters"));
     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 
     static const wxString modes[] =
     {
-        _T("single"),
-        _T("extended"),
-        _T("multiple"),
+        wxT("single"),
+        wxT("extended"),
+        wxT("multiple"),
     };
 
-    m_radioSelMode = new wxRadioBox(this, wxID_ANY, _T("Selection &mode:"),
+    m_radioSelMode = new wxRadioBox(this, wxID_ANY, wxT("Selection &mode:"),
                                     wxDefaultPosition, wxDefaultSize,
                                     WXSIZEOF(modes), modes,
                                     1, wxRA_SPECIFY_COLS);
@@ -260,59 +277,69 @@ void ListboxWidgetsPage::CreateContent()
     m_chkVScroll = CreateCheckBoxAndAddToSizer
                    (
                     sizerLeft,
-                    _T("Always show &vertical scrollbar")
+                    wxT("Always show &vertical scrollbar")
                    );
     m_chkHScroll = CreateCheckBoxAndAddToSizer
                    (
                     sizerLeft,
-                    _T("Show &horizontal scrollbar")
+                    wxT("Show &horizontal scrollbar")
                    );
-    m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Check list box"));
-    m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
-    m_chkOwnerDraw = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Owner drawn"));
+    m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Check list box"));
+    m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Sort items"));
+    m_chkOwnerDraw = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Owner drawn"));
 
     sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
     sizerLeft->Add(m_radioSelMode, 0, wxGROW | wxALL, 5);
 
-    wxButton *btn = new wxButton(this, ListboxPage_Reset, _T("&Reset"));
+    wxButton *btn = new wxButton(this, ListboxPage_Reset, wxT("&Reset"));
     sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 
     // middle pane
     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
-        _T("&Change listbox contents"));
+        wxT("&Change listbox contents"));
     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
 
     wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
-    btn = new wxButton(this, ListboxPage_Add, _T("&Add this string"));
-    m_textAdd = new wxTextCtrl(this, ListboxPage_AddText, _T("test item 0"));
+    btn = new wxButton(this, ListboxPage_Add, wxT("&Add this string"));
+    m_textAdd = new wxTextCtrl(this, ListboxPage_AddText, wxT("test item 0"));
     sizerRow->Add(btn, 0, wxRIGHT, 5);
     sizerRow->Add(m_textAdd, 1, wxLEFT, 5);
     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-    btn = new wxButton(this, ListboxPage_AddSeveral, _T("&Insert a few strings"));
+    btn = new wxButton(this, ListboxPage_AddSeveral, wxT("&Insert a few strings"));
     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 
-    btn = new wxButton(this, ListboxPage_AddMany, _T("Add &many strings"));
+    btn = new wxButton(this, ListboxPage_AddMany, wxT("Add &many strings"));
     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 
     sizerRow = new wxBoxSizer(wxHORIZONTAL);
-    btn = new wxButton(this, ListboxPage_Change, _T("C&hange current"));
+    btn = new wxButton(this, ListboxPage_Change, wxT("C&hange current"));
     m_textChange = new wxTextCtrl(this, ListboxPage_ChangeText, wxEmptyString);
     sizerRow->Add(btn, 0, wxRIGHT, 5);
     sizerRow->Add(m_textChange, 1, wxLEFT, 5);
     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
     sizerRow = new wxBoxSizer(wxHORIZONTAL);
-    btn = new wxButton(this, ListboxPage_Delete, _T("&Delete this item"));
+    btn = new wxButton(this, ListboxPage_EnsureVisible, wxT("Make item &visible"));
+    m_textEnsureVisible = new wxTextCtrl(this, ListboxPage_EnsureVisibleText, wxEmptyString);
+    sizerRow->Add(btn, 0, wxRIGHT, 5);
+    sizerRow->Add(m_textEnsureVisible, 1, wxLEFT, 5);
+    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
+
+    sizerRow = new wxBoxSizer(wxHORIZONTAL);
+    btn = new wxButton(this, ListboxPage_Delete, wxT("&Delete this item"));
     m_textDelete = new wxTextCtrl(this, ListboxPage_DeleteText, wxEmptyString);
     sizerRow->Add(btn, 0, wxRIGHT, 5);
     sizerRow->Add(m_textDelete, 1, wxLEFT, 5);
     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-    btn = new wxButton(this, ListboxPage_DeleteSel, _T("Delete &selection"));
+    btn = new wxButton(this, ListboxPage_DeleteSel, wxT("Delete &selection"));
+    sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+    btn = new wxButton(this, ListboxPage_Clear, wxT("&Clear"));
     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 
-    btn = new wxButton(this, ListboxPage_Clear, _T("&Clear"));
+    btn = new wxButton(this, ListboxPage_ContainerTests, wxT("Run &tests"));
     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
 
     // right pane
@@ -334,8 +361,6 @@ void ListboxWidgetsPage::CreateContent()
     Reset();
 
     SetSizer(sizerTop);
-
-    sizerTop->Fit(this);
 }
 
 // ----------------------------------------------------------------------------
@@ -358,7 +383,7 @@ void ListboxWidgetsPage::CreateLbox()
     switch ( m_radioSelMode->GetSelection() )
     {
         default:
-            wxFAIL_MSG( _T("unexpected radio box selection") );
+            wxFAIL_MSG( wxT("unexpected radio box selection") );
 
         case LboxSel_Single:    flags |= wxLB_SINGLE; break;
         case LboxSel_Extended:  flags |= wxLB_EXTENDED; break;
@@ -409,6 +434,33 @@ void ListboxWidgetsPage::CreateLbox()
     m_sizerLbox->Layout();
 }
 
+// ----------------------------------------------------------------------------
+// miscellaneous helpers
+// ----------------------------------------------------------------------------
+
+bool
+ListboxWidgetsPage::GetValidIndexFromText(const wxTextCtrl *text, int *n) const
+{
+    unsigned long idx;
+    if ( !text->GetValue().ToULong(&idx) || (idx >= m_lbox->GetCount()) )
+    {
+        // don't give the warning if we're just testing but do give it if we
+        // want to retrieve the value as this is only done in answer to a user
+        // action
+        if ( n )
+        {
+            wxLogWarning("Invalid index \"%s\"", text->GetValue());
+        }
+
+        return false;
+    }
+
+    if ( n )
+        *n = idx;
+
+    return true;
+}
+
 // ----------------------------------------------------------------------------
 // event handlers
 // ----------------------------------------------------------------------------
@@ -431,11 +483,21 @@ void ListboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
     }
 }
 
+void ListboxWidgetsPage::OnButtonEnsureVisible(wxCommandEvent& WXUNUSED(event))
+{
+    int n;
+    if ( !GetValidIndexFromText(m_textEnsureVisible, &n) )
+    {
+        return;
+    }
+
+    m_lbox->EnsureVisible(n);
+}
+
 void ListboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
 {
-    unsigned long n;
-    if ( !m_textDelete->GetValue().ToULong(&n) ||
-            (n >= (unsigned)m_lbox->GetCount()) )
+    int n;
+    if ( !GetValidIndexFromText(m_textDelete, &n) )
     {
         return;
     }
@@ -466,7 +528,7 @@ void ListboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
     if ( !m_textAdd->IsModified() )
     {
         // update the default string
-        m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
+        m_textAdd->SetValue(wxString::Format(wxT("test item %u"), ++s_item));
     }
 
     m_lbox->Append(s);
@@ -477,16 +539,16 @@ void ListboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
     // "many" means 1000 here
     for ( unsigned int n = 0; n < 1000; n++ )
     {
-        m_lbox->Append(wxString::Format(_T("item #%u"), n));
+        m_lbox->Append(wxString::Format(wxT("item #%u"), n));
     }
 }
 
 void ListboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
 {
     wxArrayString items;
-    items.Add(_T("First"));
-    items.Add(_T("another one"));
-    items.Add(_T("and the last (very very very very very very very very very very long) one"));
+    items.Add(wxT("First"));
+    items.Add(wxT("another one"));
+    items.Add(wxT("and the last (very very very very very very very very very very long) one"));
     m_lbox->InsertItems(items, 0);
 }
 
@@ -499,11 +561,14 @@ void ListboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
                   m_chkVScroll->GetValue() );
 }
 
+void ListboxWidgetsPage::OnUpdateUIEnsureVisibleButton(wxUpdateUIEvent& event)
+{
+    event.Enable(GetValidIndexFromText(m_textEnsureVisible));
+}
+
 void ListboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
 {
-    unsigned long n;
-    event.Enable(m_textDelete->GetValue().ToULong(&n) &&
-                    (n < (unsigned)m_lbox->GetCount()));
+    event.Enable(GetValidIndexFromText(m_textDelete));
 }
 
 void ListboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
@@ -525,22 +590,26 @@ void ListboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
 void ListboxWidgetsPage::OnListbox(wxCommandEvent& event)
 {
     long sel = event.GetSelection();
-    m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
+    m_textDelete->SetValue(wxString::Format(wxT("%ld"), sel));
 
     if (event.IsSelection())
-        wxLogMessage(_T("Listbox item %ld selected"), sel);
+    {
+        wxLogMessage(wxT("Listbox item %ld selected"), sel);
+    }
     else
-        wxLogMessage(_T("Listbox item %ld deselected"), sel);
+    {
+        wxLogMessage(wxT("Listbox item %ld deselected"), sel);
+    }
 }
 
 void ListboxWidgetsPage::OnListboxDClick(wxCommandEvent& event)
 {
-    wxLogMessage( _T("Listbox item %d double clicked"), event.GetInt() );
+    wxLogMessage( wxT("Listbox item %d double clicked"), event.GetInt() );
 }
 
 void ListboxWidgetsPage::OnCheckListbox(wxCommandEvent& event)
 {
-    wxLogMessage( _T("Listbox item %d toggled"), event.GetInt() );
+    wxLogMessage( wxT("Listbox item %d toggled"), event.GetInt() );
 }
 
 void ListboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))