958d3a7e4b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29683 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
422 lines
12 KiB
C++
422 lines
12 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: checklst.cpp
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// Purpose: wxCheckListBox sample
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 13.11.97
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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//#pragma implementation
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#ifdef __WXMSW__
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#include "wx/ownerdrw.h"
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#endif
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#include "wx/log.h"
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#include "wx/sizer.h"
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#include "wx/menuitem.h"
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#include "wx/checklst.h"
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// Define a new application type
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class CheckListBoxApp: public wxApp
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{
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public:
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bool OnInit();
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};
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// Define a new frame type
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class CheckListBoxFrame : public wxFrame
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{
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public:
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// ctor & dtor
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CheckListBoxFrame(wxFrame *frame, const wxChar *title,
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int x, int y, int w, int h);
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virtual ~CheckListBoxFrame(){};
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// notifications
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void OnQuit(wxCommandEvent& event);
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void OnAbout(wxCommandEvent& event);
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void OnCheckFirstItem(wxCommandEvent& event);
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void OnUncheckFirstItem(wxCommandEvent& event);
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void OnToggleFirstItem(wxCommandEvent& event);
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void OnToggleSelection(wxCommandEvent& event);
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void OnAddItems(wxCommandEvent& event);
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void OnListboxSelect(wxCommandEvent& event);
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void OnCheckboxToggle(wxCommandEvent& event);
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void OnListboxDblClick(wxCommandEvent& event);
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void OnButtonUp(wxCommandEvent& event);
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void OnButtonDown(wxCommandEvent& event);
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private:
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void CreateCheckListbox(long flags = 0);
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void OnButtonMove(bool up);
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void AdjustColour(size_t index);
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wxPanel *m_panel;
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wxCheckListBox *m_pListBox;
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DECLARE_EVENT_TABLE()
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};
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enum
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{
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Menu_About = 100,
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Menu_Quit,
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Menu_CheckFirst,
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Menu_UncheckFirst,
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Menu_ToggleFirst,
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Menu_Selection,
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Menu_AddItems,
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Control_First = 1000,
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Control_Listbox,
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Btn_Up,
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Btn_Down
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};
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BEGIN_EVENT_TABLE(CheckListBoxFrame, wxFrame)
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EVT_MENU(Menu_About, CheckListBoxFrame::OnAbout)
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EVT_MENU(Menu_Quit, CheckListBoxFrame::OnQuit)
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EVT_MENU(Menu_CheckFirst, CheckListBoxFrame::OnCheckFirstItem)
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EVT_MENU(Menu_UncheckFirst, CheckListBoxFrame::OnUncheckFirstItem)
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EVT_MENU(Menu_ToggleFirst, CheckListBoxFrame::OnToggleFirstItem)
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EVT_MENU(Menu_Selection, CheckListBoxFrame::OnToggleSelection)
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EVT_MENU(Menu_AddItems, CheckListBoxFrame::OnAddItems)
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EVT_LISTBOX(Control_Listbox, CheckListBoxFrame::OnListboxSelect)
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EVT_CHECKLISTBOX(Control_Listbox, CheckListBoxFrame::OnCheckboxToggle)
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EVT_LISTBOX_DCLICK(Control_Listbox, CheckListBoxFrame::OnListboxDblClick)
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EVT_BUTTON(Btn_Up, CheckListBoxFrame::OnButtonUp)
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EVT_BUTTON(Btn_Down, CheckListBoxFrame::OnButtonDown)
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END_EVENT_TABLE()
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IMPLEMENT_APP(CheckListBoxApp);
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// init our app: create windows
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bool CheckListBoxApp::OnInit(void)
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{
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CheckListBoxFrame *pFrame = new CheckListBoxFrame
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(
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NULL,
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_T("wxWidgets Checklistbox Sample"),
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50, 50, 480, 320
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);
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SetTopWindow(pFrame);
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return true;
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}
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// main frame constructor
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CheckListBoxFrame::CheckListBoxFrame(wxFrame *frame,
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const wxChar *title,
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int x, int y, int w, int h)
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: wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
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{
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#if wxUSE_STATUSBAR
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// create the status line
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const int widths[] = { -1, 60 };
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CreateStatusBar(2);
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SetStatusWidths(2, widths);
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wxLogStatus(this, _T("no selection"));
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#endif // wxUSE_STATUSBAR
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// Make a menubar
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// --------------
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// file submenu
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wxMenu *menuFile = new wxMenu;
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menuFile->Append(Menu_About, _T("&About...\tF1"));
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menuFile->AppendSeparator();
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menuFile->Append(Menu_Quit, _T("E&xit\tAlt-X"));
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// listbox submenu
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wxMenu *menuList = new wxMenu;
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menuList->Append(Menu_CheckFirst, _T("Check the first item\tCtrl-C"));
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menuList->Append(Menu_UncheckFirst, _T("Uncheck the first item\tCtrl-U"));
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menuList->Append(Menu_ToggleFirst, _T("Toggle the first item\tCtrl-T"));
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menuList->AppendSeparator();
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menuList->AppendCheckItem(Menu_AddItems, _T("Add more items\tCtrl-A"));
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menuList->AppendSeparator();
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menuList->AppendCheckItem(Menu_Selection, _T("Multiple selection\tCtrl-M"));
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// put it all together
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(menuFile, _T("&File"));
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menu_bar->Append(menuList, _T("&List"));
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SetMenuBar(menu_bar);
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// make a panel with some controls
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m_panel = new wxPanel(this, wxID_ANY, wxPoint(0, 0),
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wxSize(400, 200), wxTAB_TRAVERSAL);
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CreateCheckListbox();
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// create buttons for moving the items around
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wxButton *button1 = new wxButton(m_panel, Btn_Up, _T(" &Up "), wxPoint(420, 90));
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wxButton *button2 = new wxButton(m_panel, Btn_Down, _T("&Down"), wxPoint(420, 120));
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wxBoxSizer *mainsizer = new wxBoxSizer( wxVERTICAL );
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mainsizer->Add( m_pListBox, 1, wxGROW|wxALL, 10 );
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wxBoxSizer *bottomsizer = new wxBoxSizer( wxHORIZONTAL );
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bottomsizer->Add( button1, 0, wxALL, 10 );
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bottomsizer->Add( button2, 0, wxALL, 10 );
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mainsizer->Add( bottomsizer, 0, wxCENTER );
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// tell frame to make use of sizer (or constraints, if any)
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m_panel->SetAutoLayout( true );
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m_panel->SetSizer( mainsizer );
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// don't allow frame to get smaller than what the sizers tell ye
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mainsizer->SetSizeHints( this );
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Show(true);
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}
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void CheckListBoxFrame::CreateCheckListbox(long flags)
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{
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// check list box
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static const wxChar *aszChoices[] =
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{
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_T("Zeroth"),
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_T("First"), _T("Second"), _T("Third"),
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_T("Fourth"), _T("Fifth"), _T("Sixth"),
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_T("Seventh"), _T("Eighth"), _T("Nineth")
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};
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wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
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unsigned int ui;
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for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
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astrChoices[ui] = aszChoices[ui];
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m_pListBox = new wxCheckListBox
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(
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m_panel, // parent
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Control_Listbox, // control id
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wxPoint(10, 10), // listbox poistion
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wxSize(400, 100), // listbox size
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WXSIZEOF(aszChoices), // number of strings
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astrChoices, // array of strings
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flags
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);
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//m_pListBox->SetBackgroundColour(*wxGREEN);
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delete [] astrChoices;
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// set grey background for every second entry
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for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 ) {
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AdjustColour(ui);
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}
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m_pListBox->Check(2);
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m_pListBox->Select(3);
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}
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void CheckListBoxFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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Close(true);
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}
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void CheckListBoxFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
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{
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wxMessageBox(wxT("Demo of wxCheckListBox control\n(c) Vadim Zeitlin 1998-2002"),
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wxT("About wxCheckListBox"),
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wxICON_INFORMATION, this);
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}
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void CheckListBoxFrame::OnCheckFirstItem(wxCommandEvent& WXUNUSED(event))
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{
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if ( !m_pListBox->IsEmpty() )
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m_pListBox->Check(0);
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}
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void CheckListBoxFrame::OnUncheckFirstItem(wxCommandEvent& WXUNUSED(event))
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{
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if ( !m_pListBox->IsEmpty() )
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m_pListBox->Check(0, false);
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}
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void CheckListBoxFrame::OnToggleFirstItem(wxCommandEvent& WXUNUSED(event))
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{
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if ( !m_pListBox->IsEmpty() )
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m_pListBox->Check(0, !m_pListBox->IsChecked(0));
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}
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void CheckListBoxFrame::OnAddItems(wxCommandEvent& WXUNUSED(event))
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{
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static size_t s_nItem = 0;
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wxArrayString items;
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items.Add(wxString::Format(_T("New item %lu"), (unsigned long)++s_nItem));
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items.Add(wxString::Format(_T("New item %lu"), (unsigned long)++s_nItem));
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items.Add(wxString::Format(_T("New item %lu"), (unsigned long)++s_nItem));
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m_pListBox->InsertItems(items, 0);//m_pListBox->GetCount());
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}
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void CheckListBoxFrame::OnToggleSelection(wxCommandEvent& event)
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{
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wxSizer *sizer = m_panel->GetSizer();
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sizer->Detach( m_pListBox );
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delete m_pListBox;
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CreateCheckListbox(event.IsChecked() ? wxLB_EXTENDED : 0);
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sizer->Insert(0, m_pListBox, 1, wxGROW | wxALL, 10);
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m_panel->Layout();
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}
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void CheckListBoxFrame::OnListboxSelect(wxCommandEvent& event)
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{
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int nSel = event.GetSelection();
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wxLogStatus(this, wxT("Item %d selected (%schecked)"), nSel,
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m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
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}
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void CheckListBoxFrame::OnListboxDblClick(wxCommandEvent& WXUNUSED(event))
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{
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int selection = -1;
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if(m_pListBox->GetWindowStyle() & wxLB_EXTENDED)
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{
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wxArrayInt list;
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m_pListBox->GetSelections(list);
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if(list.Count()==1)
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{
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selection = list.Item(0);
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}
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}
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else
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{
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selection = m_pListBox->GetSelection();
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}
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wxString strSelection;
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if ( selection != -1 )
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{
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strSelection.Printf(wxT("Item %d double clicked"), selection);
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}
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else
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{
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strSelection = wxT("List double clicked in multiple selection mode");
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}
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wxMessageDialog dialog(this, strSelection, wxT("wxCheckListBox message"), wxICON_INFORMATION);
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dialog.ShowModal();
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}
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void CheckListBoxFrame::OnCheckboxToggle(wxCommandEvent& event)
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{
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unsigned int nItem = event.GetInt();
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wxLogStatus(this, wxT("item %d was %schecked"), nItem,
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m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
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}
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void CheckListBoxFrame::OnButtonUp(wxCommandEvent& WXUNUSED(event))
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{
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OnButtonMove(true);
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}
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void CheckListBoxFrame::OnButtonDown(wxCommandEvent& WXUNUSED(event))
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{
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OnButtonMove(false);
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}
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void CheckListBoxFrame::OnButtonMove(bool up)
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{
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int selection = -1;
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if(m_pListBox->GetWindowStyle() & wxLB_EXTENDED)
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{
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wxArrayInt list;
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m_pListBox->GetSelections(list);
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if(list.Count()==1)
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{
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selection = list.Item(0);
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}
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}
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else
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{
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selection = m_pListBox->GetSelection();
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}
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if ( selection != -1 )
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{
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wxString label = m_pListBox->GetString(selection);
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int positionNew = up ? selection - 1 : selection + 2;
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if ( positionNew < 0 || positionNew > m_pListBox->GetCount() )
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{
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wxLogStatus(this, wxT("Can't move this item %s"), up ? wxT("up") : wxT("down"));
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}
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else
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{
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bool wasChecked = m_pListBox->IsChecked(selection);
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int positionOld = up ? selection + 1 : selection;
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// insert the item
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m_pListBox->InsertItems(1, &label, positionNew);
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// and delete the old one
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m_pListBox->Delete(positionOld);
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int selectionNew = up ? positionNew : positionNew - 1;
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m_pListBox->Check(selectionNew, wasChecked);
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m_pListBox->SetSelection(selectionNew);
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AdjustColour(selection);
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AdjustColour(selectionNew);
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wxLogStatus(this, wxT("Item moved %s"), up ? wxT("up") : wxT("down"));
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}
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}
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else
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{
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wxLogStatus(this, wxT("Please select single item"));
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}
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}
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// not implemented in ports other than (native) MSW yet
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#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
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void CheckListBoxFrame::AdjustColour(size_t index)
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{
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// even items have grey backround, odd ones - white
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unsigned char c = index % 2 ? 255 : 200;
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m_pListBox->GetItem(index)->SetBackgroundColour(wxColor(c, c, c));
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}
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#else
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void CheckListBoxFrame::AdjustColour(size_t WXUNUSED(index))
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{
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}
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#endif // wxMSW
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