added more files (unchanged) from wxUniv branch
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10674 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
512
samples/widgets/listbox.cpp
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512
samples/widgets/listbox.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Program: wxWindows Widgets Sample
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// Name: listbox.cpp
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// Purpose: Part of the widgets sample showing wxListbox
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// Author: Vadim Zeitlin
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// Created: 27.03.01
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// Id: $Id$
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// Copyright: (c) 2001 Vadim Zeitlin
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// License: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx/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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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/button.h"
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#include "wx/checkbox.h"
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#include "wx/combobox.h"
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#include "wx/listbox.h"
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#include "wx/radiobox.h"
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#include "wx/statbox.h"
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#include "wx/textctrl.h"
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#endif
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#include "wx/sizer.h"
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#include "wx/checklst.h"
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#include "widgets.h"
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#include "icons/listbox.xpm"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// control ids
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enum
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{
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ListboxPage_Reset = 100,
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ListboxPage_Add,
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ListboxPage_AddText,
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ListboxPage_AddSeveral,
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ListboxPage_AddMany,
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ListboxPage_Clear,
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ListboxPage_Change,
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ListboxPage_ChangeText,
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ListboxPage_Delete,
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ListboxPage_DeleteText,
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ListboxPage_DeleteSel,
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ListboxPage_Listbox
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};
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// ----------------------------------------------------------------------------
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// ListboxWidgetsPage
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// ----------------------------------------------------------------------------
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class ListboxWidgetsPage : public WidgetsPage
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{
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public:
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ListboxWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);
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protected:
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// event handlers
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void OnButtonReset(wxCommandEvent& event);
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void OnButtonChange(wxCommandEvent& event);
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void OnButtonDelete(wxCommandEvent& event);
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void OnButtonDeleteSel(wxCommandEvent& event);
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void OnButtonClear(wxCommandEvent& event);
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void OnButtonAdd(wxCommandEvent& event);
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void OnButtonAddSeveral(wxCommandEvent& event);
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void OnButtonAddMany(wxCommandEvent& event);
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void OnListbox(wxCommandEvent& event);
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void OnListboxDClick(wxCommandEvent& event);
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void OnCheckListbox(wxCommandEvent& event);
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void OnCheckOrRadioBox(wxCommandEvent& event);
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void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
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void OnUpdateUIClearButton(wxUpdateUIEvent& event);
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void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
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void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
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void OnUpdateUIResetButton(wxUpdateUIEvent& event);
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// reset the listbox parameters
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void Reset();
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// (re)create the listbox
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void CreateLbox();
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// listbox parameters
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// ------------------
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// the selection mode
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enum LboxSelection
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{
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LboxSel_Single,
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LboxSel_Extended,
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LboxSel_Multiple
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} m_lboxSelMode;
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// should it be sorted?
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bool m_sorted;
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// should it have horz scroll/vert scrollbar permanently shown?
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bool m_horzScroll,
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m_vertScrollAlways;
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// the controls
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// ------------
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// the sel mode radiobox
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wxRadioBox *m_radioSelMode;
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// the checkboxes
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wxCheckBox *m_chkSort,
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*m_chkCheck,
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*m_chkHScroll,
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*m_chkVScroll;
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// the listbox itself and the sizer it is in
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wxListBox *m_lbox;
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wxSizer *m_sizerLbox;
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// the text entries for "Add/change string" and "Delete" buttons
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wxTextCtrl *m_textAdd,
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*m_textChange,
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*m_textDelete;
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private:
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DECLARE_EVENT_TABLE();
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DECLARE_WIDGETS_PAGE(ListboxWidgetsPage);
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};
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(ListboxWidgetsPage, WidgetsPage)
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EVT_BUTTON(ListboxPage_Reset, ListboxWidgetsPage::OnButtonReset)
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EVT_BUTTON(ListboxPage_Change, ListboxWidgetsPage::OnButtonChange)
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EVT_BUTTON(ListboxPage_Delete, ListboxWidgetsPage::OnButtonDelete)
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EVT_BUTTON(ListboxPage_DeleteSel, ListboxWidgetsPage::OnButtonDeleteSel)
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EVT_BUTTON(ListboxPage_Clear, ListboxWidgetsPage::OnButtonClear)
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EVT_BUTTON(ListboxPage_Add, ListboxWidgetsPage::OnButtonAdd)
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EVT_BUTTON(ListboxPage_AddSeveral, ListboxWidgetsPage::OnButtonAddSeveral)
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EVT_BUTTON(ListboxPage_AddMany, ListboxWidgetsPage::OnButtonAddMany)
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EVT_TEXT_ENTER(ListboxPage_AddText, ListboxWidgetsPage::OnButtonAdd)
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EVT_TEXT_ENTER(ListboxPage_DeleteText, ListboxWidgetsPage::OnButtonDelete)
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EVT_UPDATE_UI(ListboxPage_Reset, ListboxWidgetsPage::OnUpdateUIResetButton)
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EVT_UPDATE_UI(ListboxPage_AddSeveral, ListboxWidgetsPage::OnUpdateUIAddSeveral)
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EVT_UPDATE_UI(ListboxPage_Clear, ListboxWidgetsPage::OnUpdateUIClearButton)
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EVT_UPDATE_UI(ListboxPage_DeleteText, ListboxWidgetsPage::OnUpdateUIClearButton)
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EVT_UPDATE_UI(ListboxPage_Delete, ListboxWidgetsPage::OnUpdateUIDeleteButton)
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EVT_UPDATE_UI(ListboxPage_Change, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_UPDATE_UI(ListboxPage_ChangeText, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_UPDATE_UI(ListboxPage_DeleteSel, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_LISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnListbox)
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EVT_LISTBOX_DCLICK(ListboxPage_Listbox, ListboxWidgetsPage::OnListboxDClick)
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EVT_CHECKLISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnCheckListbox)
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EVT_CHECKBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox)
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EVT_RADIOBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox)
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END_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, _T("Listbox"));
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ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook,
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wxImageList *imaglist)
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: WidgetsPage(notebook)
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{
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imaglist->Add(wxBitmap(listbox_xpm));
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// init everything
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m_radioSelMode = (wxRadioBox *)NULL;
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m_chkVScroll =
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m_chkHScroll =
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m_chkCheck =
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m_chkSort = (wxCheckBox *)NULL;
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m_lbox = (wxListBox *)NULL;
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m_sizerLbox = (wxSizer *)NULL;
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/*
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What we create here is a frame having 3 panes: style pane is the
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leftmost one, in the middle the pane with buttons allowing to perform
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miscellaneous listbox operations and the pane containing the listbox
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itself to the right
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*/
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wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
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// left pane
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wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set listbox parameters"));
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wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
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static const wxString modes[] =
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{
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_T("single"),
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_T("extended"),
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_T("multiple"),
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};
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m_radioSelMode = new wxRadioBox(this, -1, _T("Selection &mode:"),
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(modes), modes,
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1, wxRA_SPECIFY_COLS);
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m_chkVScroll = CreateCheckBoxAndAddToSizer
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(
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sizerLeft,
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_T("Always show &vertical scrollbar")
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);
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m_chkHScroll = CreateCheckBoxAndAddToSizer
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(
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sizerLeft,
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_T("Show &horizontal scrollbar")
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);
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m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Check list box"));
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m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
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sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
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sizerLeft->Add(m_radioSelMode, 0, wxGROW | wxALL, 5);
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wxButton *btn = new wxButton(this, ListboxPage_Reset, _T("&Reset"));
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sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
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// middle pane
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wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change listbox contents"));
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wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
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wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
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btn = new wxButton(this, ListboxPage_Add, _T("&Add this string"));
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m_textAdd = new wxTextCtrl(this, ListboxPage_AddText, _T("test item 0"));
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sizerRow->Add(btn, 0, wxRIGHT, 5);
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sizerRow->Add(m_textAdd, 1, wxLEFT, 5);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, ListboxPage_AddSeveral, _T("&Insert a few strings"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, ListboxPage_AddMany, _T("Add &many strings"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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sizerRow = new wxBoxSizer(wxHORIZONTAL);
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btn = new wxButton(this, ListboxPage_Change, _T("C&hange current"));
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m_textChange = new wxTextCtrl(this, ListboxPage_ChangeText, _T(""));
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sizerRow->Add(btn, 0, wxRIGHT, 5);
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sizerRow->Add(m_textChange, 1, wxLEFT, 5);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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sizerRow = new wxBoxSizer(wxHORIZONTAL);
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btn = new wxButton(this, ListboxPage_Delete, _T("&Delete this item"));
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m_textDelete = new wxTextCtrl(this, ListboxPage_DeleteText, _T(""));
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sizerRow->Add(btn, 0, wxRIGHT, 5);
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sizerRow->Add(m_textDelete, 1, wxLEFT, 5);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, ListboxPage_DeleteSel, _T("Delete &selection"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, ListboxPage_Clear, _T("&Clear"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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// right pane
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wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
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m_lbox = new wxListBox(this, ListboxPage_Listbox,
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wxDefaultPosition, wxDefaultSize,
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0, NULL,
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wxLB_HSCROLL);
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sizerRight->Add(m_lbox, 1, wxGROW | wxALL, 5);
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sizerRight->SetMinSize(250, 0);
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m_sizerLbox = sizerRight; // save it to modify it later
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// the 3 panes panes compose the window
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sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
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sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
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sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
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// final initializations
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Reset();
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SetAutoLayout(TRUE);
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SetSizer(sizerTop);
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sizerTop->Fit(this);
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}
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// ----------------------------------------------------------------------------
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// operations
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// ----------------------------------------------------------------------------
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void ListboxWidgetsPage::Reset()
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{
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m_radioSelMode->SetSelection(LboxSel_Single);
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m_chkSort->SetValue(FALSE);
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m_chkCheck->SetValue(FALSE);
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m_chkHScroll->SetValue(TRUE);
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m_chkVScroll->SetValue(FALSE);
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}
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void ListboxWidgetsPage::CreateLbox()
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{
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int flags = 0;
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switch ( m_radioSelMode->GetSelection() )
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{
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default:
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wxFAIL_MSG( _T("unexpected radio box selection") );
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case LboxSel_Single: flags |= wxLB_SINGLE; break;
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case LboxSel_Extended: flags |= wxLB_EXTENDED; break;
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case LboxSel_Multiple: flags |= wxLB_MULTIPLE; break;
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}
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if ( m_chkVScroll->GetValue() )
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flags |= wxLB_ALWAYS_SB;
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if ( m_chkHScroll->GetValue() )
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flags |= wxLB_HSCROLL;
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if ( m_chkSort->GetValue() )
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flags |= wxLB_SORT;
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wxArrayString items;
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if ( m_lbox )
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{
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int count = m_lbox->GetCount();
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for ( int n = 0; n < count; n++ )
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{
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items.Add(m_lbox->GetString(n));
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}
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m_sizerLbox->Remove(m_lbox);
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delete m_lbox;
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}
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if ( m_chkCheck->GetValue() )
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{
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m_lbox = new wxCheckListBox(this, ListboxPage_Listbox,
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wxDefaultPosition, wxDefaultSize,
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0, NULL,
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flags);
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}
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else // just a listbox
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{
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m_lbox = new wxListBox(this, ListboxPage_Listbox,
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wxDefaultPosition, wxDefaultSize,
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0, NULL,
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flags);
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}
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m_lbox->Set(items);
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m_sizerLbox->Add(m_lbox, 1, wxGROW | wxALL, 5);
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m_sizerLbox->Layout();
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}
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// ----------------------------------------------------------------------------
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// event handlers
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// ----------------------------------------------------------------------------
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void ListboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
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{
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Reset();
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CreateLbox();
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}
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void ListboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
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{
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wxArrayInt selections;
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int count = m_lbox->GetSelections(selections);
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wxString s = m_textChange->GetValue();
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for ( int n = 0; n < count; n++ )
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{
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m_lbox->SetString(selections[n], s);
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}
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}
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void ListboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
|
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{
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unsigned long n;
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if ( !m_textDelete->GetValue().ToULong(&n) ||
|
||||
(n >= (unsigned)m_lbox->GetCount()) )
|
||||
{
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||||
return;
|
||||
}
|
||||
|
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m_lbox->Delete(n);
|
||||
}
|
||||
|
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void ListboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
|
||||
{
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wxArrayInt selections;
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int n = m_lbox->GetSelections(selections);
|
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while ( n > 0 )
|
||||
{
|
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m_lbox->Delete(selections[--n]);
|
||||
}
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnButtonClear(wxCommandEvent& event)
|
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{
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||||
m_lbox->Clear();
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||||
}
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void ListboxWidgetsPage::OnButtonAdd(wxCommandEvent& event)
|
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{
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||||
static size_t s_item = 0;
|
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wxString s = m_textAdd->GetValue();
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||||
if ( !m_textAdd->IsModified() )
|
||||
{
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// update the default string
|
||||
m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
|
||||
}
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||||
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||||
m_lbox->Append(s);
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
|
||||
{
|
||||
// "many" means 1000 here
|
||||
for ( size_t n = 0; n < 1000; n++ )
|
||||
{
|
||||
m_lbox->Append(wxString::Format(_T("item #%u"), n));
|
||||
}
|
||||
}
|
||||
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void ListboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& event)
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{
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||||
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_lbox->InsertItems(items, 0);
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable( (m_radioSelMode->GetSelection() != LboxSel_Single) ||
|
||||
m_chkSort->GetValue() ||
|
||||
!m_chkHScroll->GetValue() ||
|
||||
m_chkVScroll->GetValue() );
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
|
||||
{
|
||||
unsigned long n;
|
||||
event.Enable(m_textDelete->GetValue().ToULong(&n) &&
|
||||
(n < (unsigned)m_lbox->GetCount()));
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
|
||||
{
|
||||
wxArrayInt selections;
|
||||
event.Enable(m_lbox->GetSelections(selections) != 0);
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable(m_lbox->GetCount() != 0);
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable(!(m_lbox->GetWindowStyle() & wxLB_SORT));
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnListbox(wxCommandEvent& event)
|
||||
{
|
||||
int sel = event.GetInt();
|
||||
m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
|
||||
|
||||
wxLogMessage(_T("Listbox item %d selected"), sel);
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnListboxDClick(wxCommandEvent& event)
|
||||
{
|
||||
wxLogMessage(_T("Listbox item %d double clicked"), event.GetInt());
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnCheckListbox(wxCommandEvent& event)
|
||||
{
|
||||
wxLogMessage(_T("Listbox item %d toggled"), event.GetInt());
|
||||
}
|
||||
|
||||
void ListboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
|
||||
{
|
||||
CreateLbox();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user