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
494
samples/widgets/combobox.cpp
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494
samples/widgets/combobox.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Program: wxWindows Widgets Sample
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// Name: combobox.cpp
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// Purpose: Part of the widgets sample showing wxComboBox
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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/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 "widgets.h"
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#include "icons/combobox.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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ComboPage_Reset = 100,
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ComboPage_CurText,
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ComboPage_Add,
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ComboPage_AddText,
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ComboPage_AddSeveral,
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ComboPage_AddMany,
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ComboPage_Clear,
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ComboPage_Change,
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ComboPage_ChangeText,
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ComboPage_Delete,
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ComboPage_DeleteText,
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ComboPage_DeleteSel,
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ComboPage_Combo
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};
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// kinds of comboboxes
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enum
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{
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ComboKind_Default,
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ComboKind_Simple,
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ComboKind_DropDown
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};
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// ----------------------------------------------------------------------------
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// ComboboxWidgetsPage
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// ----------------------------------------------------------------------------
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class ComboboxWidgetsPage : public WidgetsPage
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{
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public:
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ComboboxWidgetsPage(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 OnComboBox(wxCommandEvent& event);
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void OnComboText(wxCommandEvent& event);
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void OnCheckOrRadioBox(wxCommandEvent& event);
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void OnUpdateUICurText(wxUpdateUIEvent& 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 combobox parameters
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void Reset();
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// (re)create the combobox
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void CreateCombo();
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// the controls
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// ------------
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// the sel mode radiobox
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wxRadioBox *m_radioKind;
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// the checkboxes for styles
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wxCheckBox *m_chkSort,
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*m_chkReadonly;
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// the combobox itself and the sizer it is in
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wxComboBox *m_combobox;
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wxSizer *m_sizerCombo;
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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(ComboboxWidgetsPage);
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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(ComboboxWidgetsPage, WidgetsPage)
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EVT_BUTTON(ComboPage_Reset, ComboboxWidgetsPage::OnButtonReset)
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EVT_BUTTON(ComboPage_Change, ComboboxWidgetsPage::OnButtonChange)
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EVT_BUTTON(ComboPage_Delete, ComboboxWidgetsPage::OnButtonDelete)
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EVT_BUTTON(ComboPage_DeleteSel, ComboboxWidgetsPage::OnButtonDeleteSel)
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EVT_BUTTON(ComboPage_Clear, ComboboxWidgetsPage::OnButtonClear)
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EVT_BUTTON(ComboPage_Add, ComboboxWidgetsPage::OnButtonAdd)
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EVT_BUTTON(ComboPage_AddSeveral, ComboboxWidgetsPage::OnButtonAddSeveral)
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EVT_BUTTON(ComboPage_AddMany, ComboboxWidgetsPage::OnButtonAddMany)
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EVT_TEXT_ENTER(ComboPage_AddText, ComboboxWidgetsPage::OnButtonAdd)
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EVT_TEXT_ENTER(ComboPage_DeleteText, ComboboxWidgetsPage::OnButtonDelete)
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EVT_UPDATE_UI(ComboPage_CurText, ComboboxWidgetsPage::OnUpdateUICurText)
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EVT_UPDATE_UI(ComboPage_Reset, ComboboxWidgetsPage::OnUpdateUIResetButton)
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EVT_UPDATE_UI(ComboPage_AddSeveral, ComboboxWidgetsPage::OnUpdateUIAddSeveral)
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EVT_UPDATE_UI(ComboPage_Clear, ComboboxWidgetsPage::OnUpdateUIClearButton)
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EVT_UPDATE_UI(ComboPage_DeleteText, ComboboxWidgetsPage::OnUpdateUIClearButton)
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EVT_UPDATE_UI(ComboPage_Delete, ComboboxWidgetsPage::OnUpdateUIDeleteButton)
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EVT_UPDATE_UI(ComboPage_Change, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_UPDATE_UI(ComboPage_ChangeText, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_UPDATE_UI(ComboPage_DeleteSel, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_COMBOBOX(ComboPage_Combo, ComboboxWidgetsPage::OnComboBox)
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EVT_TEXT(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
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EVT_CHECKBOX(-1, ComboboxWidgetsPage::OnCheckOrRadioBox)
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EVT_RADIOBOX(-1, ComboboxWidgetsPage::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(ComboboxWidgetsPage, _T("Combobox"));
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ComboboxWidgetsPage::ComboboxWidgetsPage(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(combobox_xpm));
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// init everything
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m_chkSort =
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m_chkReadonly = (wxCheckBox *)NULL;
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m_combobox = (wxComboBox *)NULL;
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m_sizerCombo = (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 combobox operations and the pane containing the combobox
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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 style"));
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// should be in sync with ComboKind_XXX values
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static const wxString kinds[] =
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{
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_T("default"),
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_T("simple"),
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_T("drop down"),
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};
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m_radioKind = new wxRadioBox(this, -1, _T("Combobox &kind:"),
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(kinds), kinds,
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1, wxRA_SPECIFY_COLS);
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wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
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m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
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m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Read only"));
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sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
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sizerLeft->Add(m_radioKind, 0, wxGROW | wxALL, 5);
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wxButton *btn = new wxButton(this, ComboPage_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 combobox contents"));
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wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
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wxSizer *sizerRow;
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wxTextCtrl *text;
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sizerRow = CreateSizerWithTextAndLabel(_T("Current selection"),
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ComboPage_CurText,
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&text);
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text->SetEditable(FALSE);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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sizerRow = CreateSizerWithTextAndButton(ComboPage_Add,
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_T("&Add this string"),
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ComboPage_AddText,
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&m_textAdd);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, ComboPage_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, ComboPage_AddMany, _T("Add &many strings"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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sizerRow = CreateSizerWithTextAndButton(ComboPage_Change,
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_T("C&hange current"),
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ComboPage_ChangeText,
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&m_textChange);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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sizerRow = CreateSizerWithTextAndButton(ComboPage_Delete,
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_T("&Delete this item"),
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ComboPage_DeleteText,
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&m_textDelete);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, ComboPage_DeleteSel, _T("Delete &selection"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, ComboPage_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_combobox = new wxComboBox(this, ComboPage_Combo, _T(""),
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wxDefaultPosition, wxDefaultSize,
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0, NULL,
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0);
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sizerRight->Add(m_combobox, 1, wxGROW | wxALL, 5);
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sizerRight->SetMinSize(250, 0);
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m_sizerCombo = 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 ComboboxWidgetsPage::Reset()
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{
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m_chkSort->SetValue(FALSE);
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m_chkReadonly->SetValue(FALSE);
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}
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void ComboboxWidgetsPage::CreateCombo()
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{
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int flags = 0;
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if ( m_chkSort->GetValue() )
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flags |= wxCB_SORT;
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if ( m_chkReadonly->GetValue() )
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flags |= wxCB_READONLY;
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switch ( m_radioKind->GetSelection() )
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{
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default:
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wxFAIL_MSG( _T("unknown combo kind") );
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// fall through
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case ComboKind_Default:
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break;
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case ComboKind_Simple:
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flags |= wxCB_SIMPLE;
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break;
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case ComboKind_DropDown:
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flags = wxCB_DROPDOWN;
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break;
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}
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wxArrayString items;
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if ( m_combobox )
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{
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int count = m_combobox->GetCount();
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for ( int n = 0; n < count; n++ )
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{
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items.Add(m_combobox->GetString(n));
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}
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m_sizerCombo->Remove(m_combobox);
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delete m_combobox;
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}
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m_combobox = new wxComboBox(this, ComboPage_Combo, _T(""),
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wxDefaultPosition, wxDefaultSize,
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0, NULL,
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flags);
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size_t count = items.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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m_combobox->Append(items[n]);
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}
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m_sizerCombo->Add(m_combobox, 1, wxGROW | wxALL, 5);
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m_sizerCombo->Layout();
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}
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// ----------------------------------------------------------------------------
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// event handlers
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// ----------------------------------------------------------------------------
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void ComboboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
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{
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Reset();
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CreateCombo();
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}
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void ComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
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{
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int sel = m_combobox->GetSelection();
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if ( sel != -1 )
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{
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#ifndef __WXGTK__
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m_combobox->SetString(sel, m_textChange->GetValue());
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#else
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wxLogMessage(_T("Not implemented in wxGTK"));
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#endif
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}
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}
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void ComboboxWidgetsPage::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) ||
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(n >= (unsigned)m_combobox->GetCount()) )
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{
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return;
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}
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m_combobox->Delete(n);
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}
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void ComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
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{
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int sel = m_combobox->GetSelection();
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if ( sel != -1 )
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{
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m_combobox->Delete(sel);
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}
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}
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void ComboboxWidgetsPage::OnButtonClear(wxCommandEvent& event)
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{
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m_combobox->Clear();
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}
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void ComboboxWidgetsPage::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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{
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// update the default string
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m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
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}
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m_combobox->Append(s);
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}
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||||
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void ComboboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
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||||
{
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// "many" means 1000 here
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for ( size_t n = 0; n < 1000; n++ )
|
||||
{
|
||||
m_combobox->Append(wxString::Format(_T("item #%u"), n));
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||||
}
|
||||
}
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||||
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void ComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& event)
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{
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||||
m_combobox->Append(_T("First"));
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||||
m_combobox->Append(_T("another one"));
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m_combobox->Append(_T("and the last (very very very very very very very very very very long) one"));
|
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}
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||||
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||||
void ComboboxWidgetsPage::OnUpdateUICurText(wxUpdateUIEvent& event)
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{
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||||
event.SetText( wxString::Format(_T("%d"), m_combobox->GetSelection()) );
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}
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||||
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||||
void ComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
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{
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||||
event.Enable( m_chkSort->GetValue() || m_chkReadonly->GetValue() );
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||||
}
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||||
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||||
void ComboboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
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||||
{
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||||
unsigned long n;
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||||
event.Enable(m_textDelete->GetValue().ToULong(&n) &&
|
||||
(n < (unsigned)m_combobox->GetCount()));
|
||||
}
|
||||
|
||||
void ComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable(m_combobox->GetSelection() != -1);
|
||||
}
|
||||
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||||
void ComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
|
||||
{
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||||
event.Enable(m_combobox->GetCount() != 0);
|
||||
}
|
||||
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||||
void ComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
|
||||
}
|
||||
|
||||
void ComboboxWidgetsPage::OnComboText(wxCommandEvent& event)
|
||||
{
|
||||
wxString s = event.GetString();
|
||||
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||||
wxASSERT_MSG( s == m_combobox->GetValue(),
|
||||
_T("event and combobox values should be the same") );
|
||||
|
||||
wxLogMessage(_T("Combobox text changed (now '%s')"), s.c_str());
|
||||
}
|
||||
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||||
void ComboboxWidgetsPage::OnComboBox(wxCommandEvent& event)
|
||||
{
|
||||
int sel = event.GetInt();
|
||||
m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
|
||||
|
||||
wxLogMessage(_T("Combobox item %d selected"), sel);
|
||||
}
|
||||
|
||||
void ComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
|
||||
{
|
||||
CreateCombo();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user