initial commit
Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
This commit is contained in:
434
libs/wxWidgets-3.3.1/samples/widgets/choice.cpp
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434
libs/wxWidgets-3.3.1/samples/widgets/choice.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Program: wxWidgets Widgets Sample
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// Name: choice.cpp
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// Purpose: Part of the widgets sample showing wxChoice
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// Created: 23.07.07
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// Licence: wxWindows licence
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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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#if wxUSE_CHOICE
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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/bitmap.h"
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#include "wx/button.h"
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#include "wx/checkbox.h"
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#include "wx/choice.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 "wx/checklst.h"
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#include "itemcontainer.h"
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#include "widgets.h"
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#include "icons/choice.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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ChoicePage_Reset = wxID_HIGHEST,
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ChoicePage_Add,
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ChoicePage_AddText,
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ChoicePage_AddSeveral,
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ChoicePage_AddMany,
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ChoicePage_Clear,
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ChoicePage_Change,
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ChoicePage_ChangeText,
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ChoicePage_Delete,
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ChoicePage_DeleteText,
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ChoicePage_DeleteSel,
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ChoicePage_Choice,
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ChoicePage_ContainerTests
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};
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// ----------------------------------------------------------------------------
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// ChoiceWidgetsPage
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// ----------------------------------------------------------------------------
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class ChoiceWidgetsPage : public ItemContainerWidgetsPage
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{
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public:
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ChoiceWidgetsPage(WidgetsBookCtrl *book, wxVector<wxBitmapBundle>& imaglist);
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virtual wxWindow *GetWidget() const override { return m_choice; }
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virtual wxItemContainer* GetContainer() const override { return m_choice; }
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virtual void RecreateWidget() override { CreateChoice(); }
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// lazy creation of the content
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virtual void CreateContent() override;
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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 OnChoice(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 choice parameters
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void Reset();
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// (re)create the choice
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void CreateChoice();
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// should it be sorted?
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bool m_sorted;
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// the controls
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// ------------
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// the checkboxes
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wxCheckBox *m_chkSort;
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// the choice itself and the sizer it is in
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wxChoice *m_choice;
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wxSizer *m_sizerChoice;
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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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wxDECLARE_EVENT_TABLE();
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DECLARE_WIDGETS_PAGE(ChoiceWidgetsPage)
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};
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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wxBEGIN_EVENT_TABLE(ChoiceWidgetsPage, WidgetsPage)
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EVT_BUTTON(ChoicePage_Reset, ChoiceWidgetsPage::OnButtonReset)
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EVT_BUTTON(ChoicePage_Change, ChoiceWidgetsPage::OnButtonChange)
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EVT_BUTTON(ChoicePage_Delete, ChoiceWidgetsPage::OnButtonDelete)
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EVT_BUTTON(ChoicePage_DeleteSel, ChoiceWidgetsPage::OnButtonDeleteSel)
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EVT_BUTTON(ChoicePage_Clear, ChoiceWidgetsPage::OnButtonClear)
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EVT_BUTTON(ChoicePage_Add, ChoiceWidgetsPage::OnButtonAdd)
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EVT_BUTTON(ChoicePage_AddSeveral, ChoiceWidgetsPage::OnButtonAddSeveral)
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EVT_BUTTON(ChoicePage_AddMany, ChoiceWidgetsPage::OnButtonAddMany)
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EVT_BUTTON(ChoicePage_ContainerTests, ItemContainerWidgetsPage::OnButtonTestItemContainer)
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EVT_TEXT_ENTER(ChoicePage_AddText, ChoiceWidgetsPage::OnButtonAdd)
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EVT_TEXT_ENTER(ChoicePage_DeleteText, ChoiceWidgetsPage::OnButtonDelete)
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EVT_UPDATE_UI(ChoicePage_Reset, ChoiceWidgetsPage::OnUpdateUIResetButton)
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EVT_UPDATE_UI(ChoicePage_AddSeveral, ChoiceWidgetsPage::OnUpdateUIAddSeveral)
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EVT_UPDATE_UI(ChoicePage_Clear, ChoiceWidgetsPage::OnUpdateUIClearButton)
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EVT_UPDATE_UI(ChoicePage_DeleteText, ChoiceWidgetsPage::OnUpdateUIClearButton)
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EVT_UPDATE_UI(ChoicePage_Delete, ChoiceWidgetsPage::OnUpdateUIDeleteButton)
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EVT_UPDATE_UI(ChoicePage_Change, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_UPDATE_UI(ChoicePage_ChangeText, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_UPDATE_UI(ChoicePage_DeleteSel, ChoiceWidgetsPage::OnUpdateUIDeleteSelButton)
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EVT_CHOICE(ChoicePage_Choice, ChoiceWidgetsPage::OnChoice)
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EVT_CHECKBOX(wxID_ANY, ChoiceWidgetsPage::OnCheckOrRadioBox)
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EVT_RADIOBOX(wxID_ANY, ChoiceWidgetsPage::OnCheckOrRadioBox)
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wxEND_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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#if defined(__WXUNIVERSAL__)
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#define FAMILY_CTRLS UNIVERSAL_CTRLS
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#else
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#define FAMILY_CTRLS NATIVE_CTRLS
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#endif
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IMPLEMENT_WIDGETS_PAGE(ChoiceWidgetsPage, "Choice",
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FAMILY_CTRLS | WITH_ITEMS_CTRLS
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);
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ChoiceWidgetsPage::ChoiceWidgetsPage(WidgetsBookCtrl *book,
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wxVector<wxBitmapBundle>& imaglist)
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: ItemContainerWidgetsPage(book, imaglist, choice_xpm)
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{
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// init everything
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m_chkSort = nullptr;
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m_choice = nullptr;
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m_sizerChoice = nullptr;
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}
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void ChoiceWidgetsPage::CreateContent()
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{
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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 choice operations and the pane containing the choice
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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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wxStaticBoxSizer *sizerLeft = new wxStaticBoxSizer(wxVERTICAL, this, "&Set choice parameters");
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wxStaticBox* const sizerLeftBox = sizerLeft->GetStaticBox();
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m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, "&Sort items", wxID_ANY, sizerLeftBox);
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wxButton *btn = new wxButton(sizerLeftBox, ChoicePage_Reset, "&Reset");
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sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
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// middle pane
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wxStaticBoxSizer *sizerMiddle = new wxStaticBoxSizer(wxVERTICAL, this, "&Change choice contents");
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wxStaticBox* const sizerMiddleBox = sizerMiddle->GetStaticBox();
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wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
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btn = new wxButton(sizerMiddleBox, ChoicePage_Add, "&Add this string");
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m_textAdd = new wxTextCtrl(sizerMiddleBox, ChoicePage_AddText, "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(sizerMiddleBox, ChoicePage_AddSeveral, "&Insert a few strings");
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(sizerMiddleBox, ChoicePage_AddMany, "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(sizerMiddleBox, ChoicePage_Change, "C&hange current");
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m_textChange = new wxTextCtrl(sizerMiddleBox, ChoicePage_ChangeText, wxEmptyString);
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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(sizerMiddleBox, ChoicePage_Delete, "&Delete this item");
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m_textDelete = new wxTextCtrl(sizerMiddleBox, ChoicePage_DeleteText, wxEmptyString);
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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(sizerMiddleBox, ChoicePage_DeleteSel, "Delete &selection");
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(sizerMiddleBox, ChoicePage_Clear, "&Clear");
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(sizerMiddleBox, ChoicePage_ContainerTests, "Run &tests");
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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_choice = new wxChoice(this, ChoicePage_Choice);
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sizerRight->Add(m_choice, 0, wxALL | wxGROW, 5);
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sizerRight->SetMinSize(150, 0);
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m_sizerChoice = 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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SetSizer(sizerTop);
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}
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// ----------------------------------------------------------------------------
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// operations
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// ----------------------------------------------------------------------------
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void ChoiceWidgetsPage::Reset()
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{
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m_chkSort->SetValue(false);
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}
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void ChoiceWidgetsPage::CreateChoice()
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{
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int flags = GetAttrs().m_defaultFlags;
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if ( m_chkSort->GetValue() )
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flags |= wxCB_SORT;
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wxArrayString items;
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if ( m_choice )
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{
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int count = m_choice->GetCount();
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for ( int n = 0; n < count; n++ )
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{
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items.Add(m_choice->GetString(n));
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}
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m_sizerChoice->Detach( m_choice );
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delete m_choice;
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}
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m_choice = new wxChoice(this, ChoicePage_Choice,
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wxDefaultPosition, wxDefaultSize,
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0, nullptr,
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flags);
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NotifyWidgetRecreation(m_choice);
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m_choice->Set(items);
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m_sizerChoice->Add(m_choice, 0, wxGROW | wxALL, 5);
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m_sizerChoice->Layout();
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}
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// ----------------------------------------------------------------------------
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// event handlers
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// ----------------------------------------------------------------------------
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void ChoiceWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
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{
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Reset();
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CreateChoice();
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}
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void ChoiceWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
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{
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int selection = m_choice->GetSelection();
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if(selection != wxNOT_FOUND)
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{
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m_choice->SetString(selection, m_textChange->GetValue());
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}
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}
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void ChoiceWidgetsPage::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_choice->GetCount()) )
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{
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return;
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}
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m_choice->Delete(n);
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}
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void ChoiceWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
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{
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int selection = m_choice->GetSelection();
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if(selection != wxNOT_FOUND)
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{
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m_choice->Delete(selection);
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}
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}
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void ChoiceWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
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{
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m_choice->Clear();
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}
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void ChoiceWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
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{
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static unsigned int 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("test item %u", ++s_item));
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}
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m_choice->Append(s);
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}
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void ChoiceWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
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{
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// "many" means 1000 here
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wxArrayString strings;
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for ( unsigned int n = 0; n < 1000; n++ )
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{
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strings.Add(wxString::Format("item #%u", n));
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}
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m_choice->Append(strings);
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}
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void ChoiceWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
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{
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wxArrayString items;
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items.Add("First");
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items.Add("another one");
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items.Add("and the last (very very very very very very very very very very long) one");
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m_choice->Insert(items, 0);
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}
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void ChoiceWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
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{
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event.Enable( m_chkSort->GetValue() );
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}
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void ChoiceWidgetsPage::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) &&
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(n < (unsigned)m_choice->GetCount()));
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}
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void ChoiceWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
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{
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wxArrayInt selections;
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event.Enable(m_choice->GetSelection() != wxNOT_FOUND);
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}
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void ChoiceWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
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{
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event.Enable(m_choice->GetCount() != 0);
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}
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void ChoiceWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
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{
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event.Enable(!m_choice->HasFlag(wxCB_SORT));
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}
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void ChoiceWidgetsPage::OnChoice(wxCommandEvent& event)
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{
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long sel = event.GetSelection();
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m_textDelete->SetValue(wxString::Format("%ld", sel));
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wxLogMessage("Choice item %ld selected", sel);
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}
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void ChoiceWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
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{
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CreateChoice();
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}
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#endif // wxUSE_CHOICE
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