X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3bb70c4026e31feb396b60a02c2a36dd5f63c3f0..57b2bba406d9fd2464220281b1313652b883af89:/samples/widgets/listbox.cpp diff --git a/samples/widgets/listbox.cpp b/samples/widgets/listbox.cpp index 33d578c86c..5a894aad8b 100644 --- a/samples/widgets/listbox.cpp +++ b/samples/widgets/listbox.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Program: wxWindows Widgets Sample +// Program: wxWidgets Widgets Sample // Name: listbox.cpp // Purpose: Part of the widgets sample showing wxListbox // Author: Vadim Zeitlin @@ -24,6 +24,8 @@ #pragma hdrstop #endif +#if wxUSE_LISTBOX + // for all others, include the necessary headers #ifndef WX_PRECOMP #include "wx/log.h" @@ -42,8 +44,9 @@ #include "wx/checklst.h" +#include "itemcontainer.h" #include "widgets.h" -#if 1 + #include "icons/listbox.xpm" // ---------------------------------------------------------------------------- @@ -53,7 +56,7 @@ // control ids enum { - ListboxPage_Reset = 100, + ListboxPage_Reset = wxID_HIGHEST, ListboxPage_Add, ListboxPage_AddText, ListboxPage_AddSeveral, @@ -64,22 +67,33 @@ 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(wxNotebook *notebook, wxImageList *imaglist); + 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 + virtual void CreateContent(); 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); @@ -95,6 +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); @@ -105,6 +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 // ------------------ @@ -130,18 +150,26 @@ protected: wxRadioBox *m_radioSelMode; // the checkboxes - wxCheckBox *m_chkSort, - *m_chkCheck, + wxCheckBox *m_chkVScroll, *m_chkHScroll, - *m_chkVScroll; + *m_chkCheck, + *m_chkSort, + *m_chkOwnerDraw; // the listbox itself and the sizer it is in - wxListBox *m_lbox; +#ifdef __WXWINCE__ + wxListBoxBase +#else + wxListBox +#endif + *m_lbox; + wxSizer *m_sizerLbox; // the text entries for "Add/change string" and "Delete" buttons wxTextCtrl *m_textAdd, *m_textChange, + *m_textEnsureVisible, *m_textDelete; private: @@ -158,13 +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) @@ -174,38 +205,50 @@ 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) EVT_CHECKLISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnCheckListbox) - EVT_CHECKBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox) - EVT_RADIOBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox) + EVT_CHECKBOX(wxID_ANY, ListboxWidgetsPage::OnCheckOrRadioBox) + EVT_RADIOBOX(wxID_ANY, ListboxWidgetsPage::OnCheckOrRadioBox) END_EVENT_TABLE() // ============================================================================ // implementation // ============================================================================ -IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, _T("Listbox")); +#if defined(__WXUNIVERSAL__) + #define FAMILY_CTRLS UNIVERSAL_CTRLS +#else + #define FAMILY_CTRLS NATIVE_CTRLS +#endif + +IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, _T("Listbox"), + FAMILY_CTRLS | WITH_ITEMS_CTRLS + ); -ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, +ListboxWidgetsPage::ListboxWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist) - : WidgetsPage(notebook) + : ItemContainerWidgetsPage(book, imaglist, listbox_xpm) { - imaglist->Add(wxBitmap(listbox_xpm)); - // init everything m_radioSelMode = (wxRadioBox *)NULL; m_chkVScroll = m_chkHScroll = m_chkCheck = - m_chkSort = (wxCheckBox *)NULL; + m_chkSort = + m_chkOwnerDraw = (wxCheckBox *)NULL; - m_lbox = (wxListBox *)NULL; + m_lbox = NULL; m_sizerLbox = (wxSizer *)NULL; +} + +void ListboxWidgetsPage::CreateContent() +{ /* What we create here is a frame having 3 panes: style pane is the leftmost one, in the middle the pane with buttons allowing to perform @@ -215,7 +258,8 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL); // left pane - wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set listbox parameters")); + wxStaticBox *box = new wxStaticBox(this, wxID_ANY, + _T("&Set listbox parameters")); wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL); static const wxString modes[] = @@ -225,7 +269,7 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, _T("multiple"), }; - m_radioSelMode = new wxRadioBox(this, -1, _T("Selection &mode:"), + m_radioSelMode = new wxRadioBox(this, wxID_ANY, _T("Selection &mode:"), wxDefaultPosition, wxDefaultSize, WXSIZEOF(modes), modes, 1, wxRA_SPECIFY_COLS); @@ -242,6 +286,7 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, ); m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Check list box")); m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items")); + m_chkOwnerDraw = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Owner drawn")); sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer sizerLeft->Add(m_radioSelMode, 0, wxGROW | wxALL, 5); @@ -250,7 +295,8 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15); // middle pane - wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change listbox contents")); + wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, + _T("&Change listbox contents")); wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL); wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL); @@ -268,14 +314,21 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, sizerRow = new wxBoxSizer(wxHORIZONTAL); btn = new wxButton(this, ListboxPage_Change, _T("C&hange current")); - m_textChange = new wxTextCtrl(this, ListboxPage_ChangeText, _T("")); + 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_EnsureVisible, _T("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, _T("&Delete this item")); - m_textDelete = new wxTextCtrl(this, ListboxPage_DeleteText, _T("")); + 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); @@ -286,6 +339,9 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, btn = new wxButton(this, ListboxPage_Clear, _T("&Clear")); sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5); + btn = new wxButton(this, ListboxPage_ContainerTests, _T("Run &tests")); + sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5); + // right pane wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL); m_lbox = new wxListBox(this, ListboxPage_Listbox, @@ -304,10 +360,7 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, // final initializations Reset(); - SetAutoLayout(TRUE); SetSizer(sizerTop); - - sizerTop->Fit(this); } // ---------------------------------------------------------------------------- @@ -317,15 +370,16 @@ ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook, void ListboxWidgetsPage::Reset() { m_radioSelMode->SetSelection(LboxSel_Single); - m_chkSort->SetValue(FALSE); - m_chkCheck->SetValue(FALSE); - m_chkHScroll->SetValue(TRUE); - m_chkVScroll->SetValue(FALSE); + m_chkVScroll->SetValue(false); + m_chkHScroll->SetValue(true); + m_chkCheck->SetValue(false); + m_chkSort->SetValue(false); + m_chkOwnerDraw->SetValue(false); } void ListboxWidgetsPage::CreateLbox() { - int flags = 0; + int flags = ms_defaultFlags; switch ( m_radioSelMode->GetSelection() ) { default: @@ -342,6 +396,8 @@ void ListboxWidgetsPage::CreateLbox() flags |= wxLB_HSCROLL; if ( m_chkSort->GetValue() ) flags |= wxLB_SORT; + if ( m_chkOwnerDraw->GetValue() ) + flags |= wxLB_OWNERDRAW; wxArrayString items; if ( m_lbox ) @@ -378,6 +434,30 @@ 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 // ---------------------------------------------------------------------------- @@ -400,11 +480,21 @@ 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; } @@ -422,12 +512,12 @@ void ListboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event)) } } -void ListboxWidgetsPage::OnButtonClear(wxCommandEvent& event) +void ListboxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event)) { m_lbox->Clear(); } -void ListboxWidgetsPage::OnButtonAdd(wxCommandEvent& event) +void ListboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event)) { static unsigned int s_item = 0; @@ -450,7 +540,7 @@ void ListboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event)) } } -void ListboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& event) +void ListboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event)) { wxArrayString items; items.Add(_T("First")); @@ -463,15 +553,19 @@ void ListboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event) { event.Enable( (m_radioSelMode->GetSelection() != LboxSel_Single) || m_chkSort->GetValue() || + m_chkOwnerDraw->GetValue() || !m_chkHScroll->GetValue() || 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) @@ -492,25 +586,28 @@ void ListboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event) void ListboxWidgetsPage::OnListbox(wxCommandEvent& event) { - long sel = event.GetInt(); + long sel = event.GetSelection(); m_textDelete->SetValue(wxString::Format(_T("%ld"), sel)); - wxLogMessage(_T("Listbox item %ld selected"), sel); + if (event.IsSelection()) + wxLogMessage(_T("Listbox item %ld selected"), sel); + else + wxLogMessage(_T("Listbox item %ld deselected"), sel); } void ListboxWidgetsPage::OnListboxDClick(wxCommandEvent& event) { - wxLogMessage( _T("Listbox item %ld double clicked"), event.GetInt() ); + wxLogMessage( _T("Listbox item %d double clicked"), event.GetInt() ); } void ListboxWidgetsPage::OnCheckListbox(wxCommandEvent& event) { - wxLogMessage( _T("Listbox item %ld toggled"), event.GetInt() ); + wxLogMessage( _T("Listbox item %d toggled"), event.GetInt() ); } -void ListboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event) +void ListboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event)) { CreateLbox(); } -#endif +#endif // wxUSE_LISTBOX