491 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			491 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /////////////////////////////////////////////////////////////////////////////
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| // Program:     wxWidgets Widgets Sample
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| // Name:        radiobox.cpp
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| // Purpose:     Part of the widgets sample showing wxRadioBox
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| // Author:      Vadim Zeitlin
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| // Created:     15.04.01
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| // Copyright:   (c) 2001 Vadim Zeitlin
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| // Licence:     wxWindows licence
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| /////////////////////////////////////////////////////////////////////////////
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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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| // ----------------------------------------------------------------------------
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| // headers
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| // ----------------------------------------------------------------------------
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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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| 
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| 
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| #if wxUSE_RADIOBOX
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| 
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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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| 
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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/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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| 
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| #include "wx/sizer.h"
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| 
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| #include "widgets.h"
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| 
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| #include "icons/radiobox.xpm"
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| 
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| // ----------------------------------------------------------------------------
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| // constants
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| // ----------------------------------------------------------------------------
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| 
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| // control ids
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| enum
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| {
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|     RadioPage_Reset = wxID_HIGHEST,
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|     RadioPage_Update,
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|     RadioPage_Selection,
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|     RadioPage_Label,
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|     RadioPage_LabelBtn,
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|     RadioPage_EnableItem,
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|     RadioPage_ShowItem,
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|     RadioPage_Radio
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| };
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| 
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| // default values for the number of radiobox items
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| static const unsigned int DEFAULT_NUM_ENTRIES = 12;
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| static const unsigned int DEFAULT_MAJOR_DIM = 3;
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| 
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| // this item is enabled/disabled shown/hidden by the test checkboxes
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| static const int TEST_BUTTON = 1;
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| 
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| // ----------------------------------------------------------------------------
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| // RadioWidgetsPage
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| // ----------------------------------------------------------------------------
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| 
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| class RadioWidgetsPage : public WidgetsPage
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| {
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| public:
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|     RadioWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
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| 
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|     virtual wxWindow *GetWidget() const wxOVERRIDE { return m_radio; }
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|     virtual void RecreateWidget() wxOVERRIDE { CreateRadio(); }
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| 
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|     // lazy creation of the content
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|     virtual void CreateContent() wxOVERRIDE;
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| 
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| protected:
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|     // event handlers
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|     void OnCheckOrRadioBox(wxCommandEvent& event);
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|     void OnRadioBox(wxCommandEvent& event);
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| 
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|     void OnButtonReset(wxCommandEvent& event);
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|     void OnButtonRecreate(wxCommandEvent& event);
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| 
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|     void OnButtonSelection(wxCommandEvent& event);
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|     void OnButtonSetLabel(wxCommandEvent& event);
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| 
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|     void OnEnableItem(wxCommandEvent& event);
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|     void OnShowItem(wxCommandEvent& event);
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| 
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|     void OnUpdateUIReset(wxUpdateUIEvent& event);
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|     void OnUpdateUIUpdate(wxUpdateUIEvent& event);
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|     void OnUpdateUISelection(wxUpdateUIEvent& event);
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|     void OnUpdateUIEnableItem(wxUpdateUIEvent& event);
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|     void OnUpdateUIShowItem(wxUpdateUIEvent& event);
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| 
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|     // reset the wxRadioBox parameters
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|     void Reset();
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| 
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|     // (re)create the wxRadioBox
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|     void CreateRadio();
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| 
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|     // the controls
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|     // ------------
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| 
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|     // the check/radio boxes for styles
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|     wxCheckBox *m_chkSpecifyRows;
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|     wxCheckBox *m_chkEnableItem;
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|     wxCheckBox *m_chkShowItem;
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| 
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|     // the gauge itself and the sizer it is in
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|     wxRadioBox *m_radio;
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|     wxSizer *m_sizerRadio;
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| 
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|     // the text entries for command parameters
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|     wxTextCtrl *m_textNumBtns,
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|                *m_textMajorDim,
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|                *m_textCurSel,
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|                *m_textSel,
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|                *m_textLabel,
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|                *m_textLabelBtns;
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| 
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| private:
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|     wxDECLARE_EVENT_TABLE();
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|     DECLARE_WIDGETS_PAGE(RadioWidgetsPage)
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| };
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| 
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| // ----------------------------------------------------------------------------
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| // event tables
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| // ----------------------------------------------------------------------------
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| 
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| wxBEGIN_EVENT_TABLE(RadioWidgetsPage, WidgetsPage)
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|     EVT_BUTTON(RadioPage_Reset, RadioWidgetsPage::OnButtonReset)
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| 
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|     EVT_BUTTON(RadioPage_Update, RadioWidgetsPage::OnButtonRecreate)
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|     EVT_BUTTON(RadioPage_LabelBtn, RadioWidgetsPage::OnButtonRecreate)
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| 
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|     EVT_BUTTON(RadioPage_Selection, RadioWidgetsPage::OnButtonSelection)
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|     EVT_BUTTON(RadioPage_Label, RadioWidgetsPage::OnButtonSetLabel)
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| 
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|     EVT_UPDATE_UI(RadioPage_Reset, RadioWidgetsPage::OnUpdateUIReset)
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|     EVT_UPDATE_UI(RadioPage_Update, RadioWidgetsPage::OnUpdateUIUpdate)
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|     EVT_UPDATE_UI(RadioPage_Selection, RadioWidgetsPage::OnUpdateUISelection)
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| 
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|     EVT_RADIOBOX(RadioPage_Radio, RadioWidgetsPage::OnRadioBox)
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| 
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|     EVT_CHECKBOX(RadioPage_EnableItem, RadioWidgetsPage::OnEnableItem)
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|     EVT_CHECKBOX(RadioPage_ShowItem, RadioWidgetsPage::OnShowItem)
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| 
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|     EVT_UPDATE_UI(RadioPage_EnableItem, RadioWidgetsPage::OnUpdateUIEnableItem)
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|     EVT_UPDATE_UI(RadioPage_ShowItem, RadioWidgetsPage::OnUpdateUIShowItem)
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| 
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|     EVT_CHECKBOX(wxID_ANY, RadioWidgetsPage::OnCheckOrRadioBox)
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|     EVT_RADIOBOX(wxID_ANY, RadioWidgetsPage::OnCheckOrRadioBox)
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| wxEND_EVENT_TABLE()
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| 
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| // ============================================================================
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| // implementation
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| // ============================================================================
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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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| 
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| IMPLEMENT_WIDGETS_PAGE(RadioWidgetsPage, "Radio",
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|                        FAMILY_CTRLS | WITH_ITEMS_CTRLS
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|                        );
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| 
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| RadioWidgetsPage::RadioWidgetsPage(WidgetsBookCtrl *book,
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|                                    wxImageList *imaglist)
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|                   : WidgetsPage(book, imaglist, radio_xpm)
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| {
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|     // init everything
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|     m_chkSpecifyRows = (wxCheckBox *)NULL;
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|     m_chkEnableItem = (wxCheckBox *)NULL;
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|     m_chkShowItem = (wxCheckBox *)NULL;
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| 
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|     m_textNumBtns =
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|     m_textLabelBtns =
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|     m_textLabel = (wxTextCtrl *)NULL;
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| 
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|     m_radio = (wxRadioBox *)NULL;
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|     m_sizerRadio = (wxSizer *)NULL;
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| }
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| 
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| void RadioWidgetsPage::CreateContent()
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| {
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|     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
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| 
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|     // left pane
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|     wxStaticBox *box = new wxStaticBox(this, wxID_ANY, "&Set style");
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| 
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|     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
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| 
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|     m_chkSpecifyRows = CreateCheckBoxAndAddToSizer
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|                        (
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|                         sizerLeft,
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|                         "Major specifies &rows count"
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|                        );
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| 
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|     wxSizer *sizerRow;
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|     sizerRow = CreateSizerWithTextAndLabel("&Major dimension:",
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|                                            wxID_ANY,
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|                                            &m_textMajorDim);
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|     sizerLeft->Add(sizerRow, wxSizerFlags().Expand().Border());
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| 
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|     sizerRow = CreateSizerWithTextAndLabel("&Number of buttons:",
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|                                            wxID_ANY,
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|                                            &m_textNumBtns);
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|     sizerLeft->Add(sizerRow, wxSizerFlags().Expand().Border());
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| 
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|     wxButton *btn;
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|     btn = new wxButton(this, RadioPage_Update, "&Update");
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|     sizerLeft->Add(btn, wxSizerFlags().CentreHorizontal().Border());
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| 
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|     sizerLeft->AddSpacer(5);
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| 
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|     btn = new wxButton(this, RadioPage_Reset, "&Reset");
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|     sizerLeft->Add(btn, wxSizerFlags().CentreHorizontal().Border(wxALL, 15));
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| 
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|     // middle pane
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|     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, "&Change parameters");
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|     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
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| 
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|     sizerRow = CreateSizerWithTextAndLabel("Current selection:",
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|                                            wxID_ANY,
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|                                            &m_textCurSel);
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|     sizerMiddle->Add(sizerRow, wxSizerFlags().Expand().Border());
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| 
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|     sizerRow = CreateSizerWithTextAndButton(RadioPage_Selection,
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|                                             "&Change selection:",
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|                                            wxID_ANY,
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|                                            &m_textSel);
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|     sizerMiddle->Add(sizerRow, wxSizerFlags().Expand().Border());
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| 
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|     sizerRow = CreateSizerWithTextAndButton(RadioPage_Label,
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|                                             "&Label for box:",
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|                                             wxID_ANY,
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|                                             &m_textLabel);
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|     sizerMiddle->Add(sizerRow, wxSizerFlags().Expand().Border());
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| 
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|     sizerRow = CreateSizerWithTextAndButton(RadioPage_LabelBtn,
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|                                             "&Label for buttons:",
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|                                             wxID_ANY,
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|                                             &m_textLabelBtns);
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|     sizerMiddle->Add(sizerRow, wxSizerFlags().Expand().Border());
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| 
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|     m_chkEnableItem = CreateCheckBoxAndAddToSizer(sizerMiddle,
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|                                                   "Disable &2nd item",
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|                                                   RadioPage_EnableItem);
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|     m_chkShowItem = CreateCheckBoxAndAddToSizer(sizerMiddle,
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|                                                 "Hide 2nd &item",
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|                                                 RadioPage_ShowItem);
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| 
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|     // right pane
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|     wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
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|     m_sizerRadio = sizerRight; // save it to modify it later
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| 
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|     Reset();
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|     CreateRadio();
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| 
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|     // the 3 panes panes compose the window
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|     sizerTop->Add(sizerLeft,
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|                   wxSizerFlags(0).Expand().Border((wxALL & ~wxLEFT), 10));
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|     sizerTop->Add(sizerMiddle,
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|                   wxSizerFlags(1).Expand().Border(wxALL, 10));
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|     sizerTop->Add(sizerRight,
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|                   wxSizerFlags(0).Expand().Border((wxALL & ~wxRIGHT), 10));
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| 
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|     // final initializations
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|     SetSizer(sizerTop);
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| }
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| 
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| // ----------------------------------------------------------------------------
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| // operations
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| // ----------------------------------------------------------------------------
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| 
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| void RadioWidgetsPage::Reset()
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| {
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|     m_textMajorDim->SetValue(wxString::Format("%u", DEFAULT_MAJOR_DIM));
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|     m_textNumBtns->SetValue(wxString::Format("%u", DEFAULT_NUM_ENTRIES));
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|     m_textLabel->SetValue("I'm a radiobox");
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|     m_textLabelBtns->SetValue("item");
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| 
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|     m_chkSpecifyRows->SetValue(false);
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|     m_chkEnableItem->SetValue(true);
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|     m_chkShowItem->SetValue(true);
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| }
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| 
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| void RadioWidgetsPage::CreateRadio()
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| {
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|     int sel;
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|     if ( m_radio )
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|     {
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|         sel = m_radio->GetSelection();
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| 
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|         m_sizerRadio->Detach( m_radio );
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| 
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|         delete m_radio;
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|     }
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|     else // first time creation, no old selection to preserve
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|     {
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|         sel = -1;
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|     }
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| 
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|     unsigned long count;
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|     if ( !m_textNumBtns->GetValue().ToULong(&count) )
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|     {
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|         wxLogWarning("Should have a valid number for number of items.");
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| 
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|         // fall back to default
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|         count = DEFAULT_NUM_ENTRIES;
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|     }
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| 
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|     unsigned long majorDim;
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|     if ( !m_textMajorDim->GetValue().ToULong(&majorDim) )
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|     {
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|         wxLogWarning("Should have a valid major dimension number.");
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| 
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|         // fall back to default
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|         majorDim = DEFAULT_MAJOR_DIM;
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|     }
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| 
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|     wxArrayString items;
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| 
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|     wxString labelBtn = m_textLabelBtns->GetValue();
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|     for ( size_t n = 0; n < count; n++ )
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|     {
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|         items.push_back(wxString::Format("%s %lu",
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|                                          labelBtn, (unsigned long)n + 1));
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|     }
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| 
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|     int flags = m_chkSpecifyRows->GetValue() ? wxRA_SPECIFY_ROWS
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|                                              : wxRA_SPECIFY_COLS;
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| 
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|     flags |= GetAttrs().m_defaultFlags;
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| 
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|     m_radio = new wxRadioBox(this, RadioPage_Radio,
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|                              m_textLabel->GetValue(),
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|                              wxDefaultPosition, wxDefaultSize,
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|                              items,
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|                              majorDim,
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|                              flags);
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| 
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|     if ( sel >= 0 && (size_t)sel < count )
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|     {
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|         m_radio->SetSelection(sel);
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|     }
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| 
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|     if ( count > TEST_BUTTON )
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|     {
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|         m_radio->Enable(TEST_BUTTON, m_chkEnableItem->IsChecked());
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|         m_radio->Show(TEST_BUTTON, m_chkShowItem->IsChecked());
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|     }
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| 
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|     m_sizerRadio->Add(m_radio, wxSizerFlags(1).Expand());
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|     Layout();
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| 
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|     m_chkEnableItem->Enable(count > TEST_BUTTON);
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|     m_chkShowItem->Enable(count > TEST_BUTTON);
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| }
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| 
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| // ----------------------------------------------------------------------------
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| // event handlers
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| // ----------------------------------------------------------------------------
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| 
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| void RadioWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
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| {
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|     Reset();
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| 
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|     CreateRadio();
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| }
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| 
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| void RadioWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
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| {
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|     CreateRadio();
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| }
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| 
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| void RadioWidgetsPage::OnRadioBox(wxCommandEvent& event)
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| {
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|     int sel = m_radio->GetSelection();
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|     int event_sel = event.GetSelection();
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|     wxUnusedVar(event_sel);
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| 
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|     wxLogMessage("Radiobox selection changed, now %d", sel);
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| 
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|     wxASSERT_MSG( sel == event_sel,
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|                   "selection should be the same in event and radiobox" );
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| 
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|     m_textCurSel->SetValue(wxString::Format("%d", sel));
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| }
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| 
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| void RadioWidgetsPage::OnButtonRecreate(wxCommandEvent& WXUNUSED(event))
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| {
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|     CreateRadio();
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| }
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| 
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| void RadioWidgetsPage::OnButtonSetLabel(wxCommandEvent& WXUNUSED(event))
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| {
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|     m_radio->wxControl::SetLabel(m_textLabel->GetValue());
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| }
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| 
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| void RadioWidgetsPage::OnButtonSelection(wxCommandEvent& WXUNUSED(event))
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| {
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|     unsigned long sel;
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|     if ( !m_textSel->GetValue().ToULong(&sel) ||
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|             (sel >= (size_t)m_radio->GetCount()) )
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|     {
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|         wxLogWarning("Invalid number specified as new selection.");
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|     }
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|     else
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|     {
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|         m_radio->SetSelection(sel);
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|     }
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| }
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| 
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| void RadioWidgetsPage::OnEnableItem(wxCommandEvent& event)
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| {
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|     m_radio->Enable(TEST_BUTTON, event.IsChecked());
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| }
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| 
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| void RadioWidgetsPage::OnShowItem(wxCommandEvent& event)
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| {
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|     m_radio->Show(TEST_BUTTON, event.IsChecked());
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| }
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| 
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| void RadioWidgetsPage::OnUpdateUIUpdate(wxUpdateUIEvent& event)
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| {
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|     unsigned long n;
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|     event.Enable( m_textNumBtns->GetValue().ToULong(&n) &&
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|                   m_textMajorDim->GetValue().ToULong(&n) );
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| }
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| 
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| void RadioWidgetsPage::OnUpdateUISelection(wxUpdateUIEvent& event)
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| {
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|     unsigned long n;
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|     event.Enable( m_textSel->GetValue().ToULong(&n) &&
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|                    (n < (size_t)m_radio->GetCount()) );
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| }
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| 
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| void RadioWidgetsPage::OnUpdateUIReset(wxUpdateUIEvent& event)
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| {
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|     // only enable it if something is not set to default
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|     bool enable = m_chkSpecifyRows->GetValue();
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| 
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|     if ( !enable )
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|     {
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|         unsigned long numEntries;
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| 
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|         enable = !m_textNumBtns->GetValue().ToULong(&numEntries) ||
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|                     numEntries != DEFAULT_NUM_ENTRIES;
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| 
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|         if ( !enable )
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|         {
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|             unsigned long majorDim;
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| 
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|             enable = !m_textMajorDim->GetValue().ToULong(&majorDim) ||
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|                         majorDim != DEFAULT_MAJOR_DIM;
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|         }
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|     }
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| 
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|     event.Enable(enable);
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| }
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| 
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| void RadioWidgetsPage::OnUpdateUIEnableItem(wxUpdateUIEvent& event)
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| {
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|     if ( m_radio->GetCount() <= TEST_BUTTON )
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|         return;
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| 
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|     event.SetText(m_radio->IsItemEnabled(TEST_BUTTON) ? "Disable &2nd item"
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|                                                       : "Enable &2nd item");
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| }
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| 
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| void RadioWidgetsPage::OnUpdateUIShowItem(wxUpdateUIEvent& event)
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| {
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|     if ( m_radio->GetCount() <= TEST_BUTTON )
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|         return;
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| 
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|     event.SetText(m_radio->IsItemShown(TEST_BUTTON) ? "Hide 2nd &item"
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|                                                     : "Show 2nd &item");
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| }
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| 
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| #endif // wxUSE_RADIOBOX
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