+/////////////////////////////////////////////////////////////////////////////
+// Program: wxWidgets Widgets Sample
+// Name: choice.cpp
+// Purpose: Part of the widgets sample showing wxChoice
+// Created: 23.07.07
+// Id: $Id$
+// License: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#if wxUSE_CHOICE
+
+// for all others, include the necessary headers
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+
+ #include "wx/bitmap.h"
+ #include "wx/button.h"
+ #include "wx/checkbox.h"
+ #include "wx/choice.h"
+ #include "wx/combobox.h"
+ #include "wx/radiobox.h"
+ #include "wx/statbox.h"
+ #include "wx/textctrl.h"
+#endif
+
+#include "wx/sizer.h"
+
+#include "wx/checklst.h"
+
+#include "itemcontainer.h"
+#include "widgets.h"
+
+#include "icons/choice.xpm"
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// control ids
+enum
+{
+ ChoicePage_Reset = wxID_HIGHEST,
+ ChoicePage_Add,
+ ChoicePage_AddText,
+ ChoicePage_AddSeveral,
+ ChoicePage_AddMany,
+ ChoicePage_Clear,
+ ChoicePage_Change,
+ ChoicePage_ChangeText,
+ ChoicePage_Delete,
+ ChoicePage_DeleteText,
+ ChoicePage_DeleteSel,
+ ChoicePage_Choice,
+ ChoicePage_ContainerTests
+};
+
+// ----------------------------------------------------------------------------
+// ChoiceWidgetsPage
+// ----------------------------------------------------------------------------
+
+class ChoiceWidgetsPage : public ItemContainerWidgetsPage
+{
+public:
+ ChoiceWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
+
+ virtual wxControl *GetWidget() const { return m_choice; }
+ virtual wxItemContainer* GetContainer() const { return m_choice; }
+ virtual void RecreateWidget() { CreateChoice(); }
+
+ // lazy creation of the content
+ virtual void CreateContent();
+
+protected:
+ // event handlers
+ void OnButtonReset(wxCommandEvent& event);
+ void OnButtonChange(wxCommandEvent& event);
+ void OnButtonDelete(wxCommandEvent& event);
+ void OnButtonDeleteSel(wxCommandEvent& event);
+ void OnButtonClear(wxCommandEvent& event);
+ void OnButtonAdd(wxCommandEvent& event);
+ void OnButtonAddSeveral(wxCommandEvent& event);
+ void OnButtonAddMany(wxCommandEvent& event);
+
+ void OnChoice(wxCommandEvent& event);
+
+ void OnCheckOrRadioBox(wxCommandEvent& event);
+
+ void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
+ void OnUpdateUIClearButton(wxUpdateUIEvent& event);
+ void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
+ void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
+ void OnUpdateUIResetButton(wxUpdateUIEvent& event);
+
+ // reset the choice parameters
+ void Reset();
+
+ // (re)create the choice
+ void CreateChoice();
+
+ // should it be sorted?
+ bool m_sorted;
+
+ // the controls
+ // ------------
+
+ // the checkboxes
+ wxCheckBox *m_chkSort;
+
+ // the choice itself and the sizer it is in
+#ifdef __WXWINCE__
+ wxChoiceBase
+#else
+ wxChoice
+#endif
+ *m_choice;
+
+ wxSizer *m_sizerChoice;
+
+ // the text entries for "Add/change string" and "Delete" buttons
+ wxTextCtrl *m_textAdd,
+ *m_textChange,
+ *m_textDelete;
+
+private:
+ DECLARE_EVENT_TABLE()
+ DECLARE_WIDGETS_PAGE(ChoiceWidgetsPage)
+};
+
+// ----------------------------------------------------------------------------
+// event tables
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(ChoiceWidgetsPage, WidgetsPage)
+ EVT_BUTTON(ChoicePage_Reset, ChoiceWidgetsPage::OnButtonReset)
+ EVT_BUTTON(ChoicePage_Change, ChoiceWidgetsPage::OnButtonChange)
+ EVT_BUTTON(ChoicePage_Delete, ChoiceWidgetsPage::OnButtonDelete)
+ EVT_BUTTON(ChoicePage_DeleteSel, ChoiceWidgetsPage::OnButtonDeleteSel)
+ EVT_BUTTON(ChoicePage_Clear, ChoiceWidgetsPage::OnButtonClear)
+ EVT_BUTTON(ChoicePage_Add, ChoiceWidgetsPage::OnButtonAdd)
+ EVT_BUTTON(ChoicePage_AddSeveral, ChoiceWidgetsPage::OnButtonAddSeveral)
+ EVT_BUTTON(ChoicePage_AddMany, ChoiceWidgetsPage::OnButtonAddMany)
+ EVT_BUTTON(ChoicePage_ContainerTests, ItemContainerWidgetsPage::OnButtonTestItemContainer)
+
+ EVT_TEXT_ENTER(ChoicePage_AddText, ChoiceWidgetsPage::OnButtonAdd)
+ EVT_TEXT_ENTER(ChoicePage_DeleteText, ChoiceWidgetsPage::OnButtonDelete)
+
+ EVT_UPDATE_UI(ChoicePage_Reset, ChoiceWidgetsPage::OnUpdateUIResetButton)
+ EVT_UPDATE_UI(ChoicePage_AddSeveral, ChoiceWidgetsPage::OnUpdateUIAddSeveral)
+ EVT_UPDATE_UI(ChoicePage_Clear, ChoiceWidgetsPage::OnUpdateUIClearButton)
+ EVT_UPDATE_UI(ChoicePage_DeleteText, ChoiceWidgetsPage::OnUpdateUIClearButton)
+ EVT_UPDATE_UI(ChoicePage_Delete, ChoiceWidgetsPage::OnUpdateUIDeleteButton)
+ EVT_UPDATE_UI(ChoicePage_Change, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
+ EVT_UPDATE_UI(ChoicePage_ChangeText, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
+ EVT_UPDATE_UI(ChoicePage_DeleteSel, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
+
+ EVT_CHOICE(ChoicePage_Choice, ChoiceWidgetsPage::OnChoice)
+
+ EVT_CHECKBOX(wxID_ANY, ChoiceWidgetsPage::OnCheckOrRadioBox)
+ EVT_RADIOBOX(wxID_ANY, ChoiceWidgetsPage::OnCheckOrRadioBox)
+END_EVENT_TABLE()
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+#if defined(__WXUNIVERSAL__)
+ #define FAMILY_CTRLS UNIVERSAL_CTRLS
+#else
+ #define FAMILY_CTRLS NATIVE_CTRLS
+#endif
+
+IMPLEMENT_WIDGETS_PAGE(ChoiceWidgetsPage, _T("Choice"),
+ FAMILY_CTRLS | WITH_ITEMS_CTRLS
+ );
+
+ChoiceWidgetsPage::ChoiceWidgetsPage(WidgetsBookCtrl *book,
+ wxImageList *imaglist)
+ : ItemContainerWidgetsPage(book, imaglist, choice_xpm)
+{
+ // init everything
+
+ m_chkSort = (wxCheckBox *)NULL;
+
+ m_choice = NULL;
+ m_sizerChoice = (wxSizer *)NULL;
+
+}
+
+void ChoiceWidgetsPage::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
+ miscellaneous choice operations and the pane containing the choice
+ itself to the right
+ */
+ wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
+
+ // left pane
+ wxStaticBox *box = new wxStaticBox(this, wxID_ANY,
+ _T("&Set choice parameters"));
+ wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
+
+ static const wxString modes[] =
+ {
+ _T("single"),
+ _T("extended"),
+ _T("multiple"),
+ };
+
+ m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
+
+ wxButton *btn = new wxButton(this, ChoicePage_Reset, _T("&Reset"));
+ sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
+
+ // middle pane
+ wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
+ _T("&Change choice contents"));
+ wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
+
+ wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
+ btn = new wxButton(this, ChoicePage_Add, _T("&Add this string"));
+ m_textAdd = new wxTextCtrl(this, ChoicePage_AddText, _T("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, ChoicePage_AddSeveral, _T("&Insert a few strings"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, ChoicePage_AddMany, _T("Add &many strings"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ sizerRow = new wxBoxSizer(wxHORIZONTAL);
+ btn = new wxButton(this, ChoicePage_Change, _T("C&hange current"));
+ m_textChange = new wxTextCtrl(this, ChoicePage_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, ChoicePage_Delete, _T("&Delete this item"));
+ m_textDelete = new wxTextCtrl(this, ChoicePage_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, ChoicePage_DeleteSel, _T("Delete &selection"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, ChoicePage_Clear, _T("&Clear"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ btn = new wxButton(this, ChoicePage_ContainerTests, _T("Run &tests"));
+ sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
+
+ // right pane
+ wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
+ m_choice = new wxChoice(this, ChoicePage_Choice);
+ sizerRight->Add(m_choice, 1, wxGROW | wxALL, 5);
+ sizerRight->SetMinSize(150, 0);
+ m_sizerChoice = sizerRight; // save it to modify it later
+
+ // the 3 panes panes compose the window
+ sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
+ sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
+ sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
+
+ // final initializations
+ Reset();
+
+ SetSizer(sizerTop);
+}
+
+// ----------------------------------------------------------------------------
+// operations
+// ----------------------------------------------------------------------------
+
+void ChoiceWidgetsPage::Reset()
+{
+ m_chkSort->SetValue(false);
+}
+
+void ChoiceWidgetsPage::CreateChoice()
+{
+ int flags = ms_defaultFlags;
+
+ if ( m_chkSort->GetValue() )
+ flags |= wxCB_SORT;
+
+ wxArrayString items;
+ if ( m_choice )
+ {
+ int count = m_choice->GetCount();
+ for ( int n = 0; n < count; n++ )
+ {
+ items.Add(m_choice->GetString(n));
+ }
+
+ m_sizerChoice->Detach( m_choice );
+ delete m_choice;
+ }
+
+ m_choice = new wxChoice(this, ChoicePage_Choice,
+ wxDefaultPosition, wxDefaultSize,
+ 0, NULL,
+ flags);
+
+ m_choice->Set(items);
+ m_sizerChoice->Add(m_choice, 1, wxGROW | wxALL, 5);
+ m_sizerChoice->Layout();
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+void ChoiceWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
+{
+ Reset();
+
+ CreateChoice();
+}
+
+void ChoiceWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
+{
+ int selection = m_choice->GetSelection();
+ if(selection != wxNOT_FOUND)
+ {
+ m_choice->SetString(selection, m_textChange->GetValue());
+ }
+}
+
+void ChoiceWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
+{
+ unsigned long n;
+ if ( !m_textDelete->GetValue().ToULong(&n) ||
+ (n >= (unsigned)m_choice->GetCount()) )
+ {
+ return;
+ }
+
+ m_choice->Delete(n);
+}
+
+void ChoiceWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
+{
+ int selection = m_choice->GetSelection();
+ if(selection != wxNOT_FOUND)
+ {
+ m_choice->Delete(selection);
+ }
+}
+
+void ChoiceWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
+{
+ m_choice->Clear();
+}
+
+void ChoiceWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
+{
+ static unsigned int s_item = 0;
+
+ wxString s = m_textAdd->GetValue();
+ if ( !m_textAdd->IsModified() )
+ {
+ // update the default string
+ m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
+ }
+
+ m_choice->Append(s);
+}
+
+void ChoiceWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
+{
+ // "many" means 1000 here
+ wxArrayString strings;
+ for ( unsigned int n = 0; n < 1000; n++ )
+ {
+ strings.Add(wxString::Format(_T("item #%u"), n));
+ }
+ m_choice->Append(strings);
+}
+
+void ChoiceWidgetsPage::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"));
+ m_choice->Insert(items, 0);
+}
+
+void ChoiceWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
+{
+ event.Enable( m_chkSort->GetValue() );
+}
+
+void ChoiceWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
+{
+ unsigned long n;
+ event.Enable(m_textDelete->GetValue().ToULong(&n) &&
+ (n < (unsigned)m_choice->GetCount()));
+}
+
+void ChoiceWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
+{
+ wxArrayInt selections;
+ event.Enable(m_choice->GetSelection() != wxNOT_FOUND);
+}
+
+void ChoiceWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
+{
+ event.Enable(m_choice->GetCount() != 0);
+}
+
+void ChoiceWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
+{
+ event.Enable(!m_choice->HasFlag(wxCB_SORT));
+}
+
+void ChoiceWidgetsPage::OnChoice(wxCommandEvent& event)
+{
+ long sel = event.GetSelection();
+ m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
+
+ if (event.IsSelection())
+ wxLogMessage(_T("Choice item %ld selected"), sel);
+ else
+ wxLogMessage(_T("Choice item %ld deselected"), sel);
+}
+
+void ChoiceWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
+{
+ CreateChoice();
+}
+
+#endif // wxUSE_CHOICE
projects / wxWidgets.git / commitdiff
