643 lines
19 KiB
C++
643 lines
19 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Program: wxWidgets Widgets Sample
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// Name: button.cpp
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// Purpose: Part of the widgets sample showing wxButton
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// Author: Vadim Zeitlin
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// Created: 10.04.01
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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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// 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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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/log.h"
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#include "wx/bmpbuttn.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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#include "wx/artprov.h"
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#include "wx/sizer.h"
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#include "wx/dcmemory.h"
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#include "wx/commandlinkbutton.h"
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#include "widgets.h"
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#include "icons/button.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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ButtonPage_Reset = wxID_HIGHEST,
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ButtonPage_ChangeLabel,
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ButtonPage_ChangeNote,
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ButtonPage_Button
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};
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// radio boxes
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enum
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{
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ButtonImagePos_Left,
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ButtonImagePos_Right,
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ButtonImagePos_Top,
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ButtonImagePos_Bottom
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};
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enum
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{
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ButtonHAlign_Left,
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ButtonHAlign_Centre,
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ButtonHAlign_Right
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};
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enum
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{
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ButtonVAlign_Top,
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ButtonVAlign_Centre,
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ButtonVAlign_Bottom
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};
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// ----------------------------------------------------------------------------
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// ButtonWidgetsPage
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// ----------------------------------------------------------------------------
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class ButtonWidgetsPage : public WidgetsPage
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{
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public:
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ButtonWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
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virtual wxWindow *GetWidget() const wxOVERRIDE { return m_button; }
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virtual void RecreateWidget() wxOVERRIDE { CreateButton(); }
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// lazy creation of the content
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virtual void CreateContent() wxOVERRIDE;
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protected:
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// event handlers
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void OnCheckOrRadioBox(wxCommandEvent& event);
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void OnButton(wxCommandEvent& event);
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void OnButtonReset(wxCommandEvent& event);
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void OnButtonChangeLabel(wxCommandEvent& event);
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void OnButtonChangeNote(wxCommandEvent& event);
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// reset the wxButton parameters
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void Reset();
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// (re)create the wxButton
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void CreateButton();
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// helper function: create a bitmap for wxBitmapButton
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wxBitmap CreateBitmap(const wxString& label, const wxArtID& type);
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// the controls
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// ------------
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// the check/radio boxes for styles
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wxCheckBox *m_chkBitmapOnly,
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*m_chkTextAndBitmap,
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*m_chkFit,
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*m_chkAuthNeeded,
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#if wxUSE_COMMANDLINKBUTTON
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*m_chkCommandLink,
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#endif // wxUSE_COMMANDLINKBUTTON
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#if wxUSE_MARKUP
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*m_chkUseMarkup,
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#endif // wxUSE_MARKUP
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*m_chkDefault,
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*m_chkUseBitmapClass,
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*m_chkDisable;
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// more checkboxes for wxBitmapButton only
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wxCheckBox *m_chkUsePressed,
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*m_chkUseFocused,
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*m_chkUseCurrent,
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*m_chkUseDisabled;
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// and an image position choice used if m_chkTextAndBitmap is on
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wxRadioBox *m_radioImagePos;
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wxRadioBox *m_radioHAlign,
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*m_radioVAlign;
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// the button itself and the sizer it is in
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wxButton *m_button;
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#if wxUSE_COMMANDLINKBUTTON
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// same as m_button or NULL if not showing a command link button currently
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wxCommandLinkButton *m_cmdLnkButton;
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#endif // wxUSE_COMMANDLINKBUTTON
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wxSizer *m_sizerButton;
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// the text entries for command parameters
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wxTextCtrl *m_textLabel;
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#if wxUSE_COMMANDLINKBUTTON
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wxTextCtrl *m_textNote;
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// used to hide or show button for changing note
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wxSizer *m_sizerNote;
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#endif // wxUSE_COMMANDLINKBUTTON
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private:
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wxDECLARE_EVENT_TABLE();
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DECLARE_WIDGETS_PAGE(ButtonWidgetsPage)
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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(ButtonWidgetsPage, WidgetsPage)
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EVT_BUTTON(ButtonPage_Button, ButtonWidgetsPage::OnButton)
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EVT_BUTTON(ButtonPage_Reset, ButtonWidgetsPage::OnButtonReset)
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EVT_BUTTON(ButtonPage_ChangeLabel, ButtonWidgetsPage::OnButtonChangeLabel)
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EVT_BUTTON(ButtonPage_ChangeNote, ButtonWidgetsPage::OnButtonChangeNote)
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EVT_CHECKBOX(wxID_ANY, ButtonWidgetsPage::OnCheckOrRadioBox)
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EVT_RADIOBOX(wxID_ANY, ButtonWidgetsPage::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(ButtonWidgetsPage, "Button", FAMILY_CTRLS );
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ButtonWidgetsPage::ButtonWidgetsPage(WidgetsBookCtrl *book,
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wxImageList *imaglist)
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: WidgetsPage(book, imaglist, button_xpm)
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{
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// init everything
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m_chkBitmapOnly =
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m_chkTextAndBitmap =
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m_chkFit =
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m_chkAuthNeeded =
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#if wxUSE_COMMANDLINKBUTTON
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m_chkCommandLink =
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#endif // wxUSE_COMMANDLINKBUTTON
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#if wxUSE_MARKUP
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m_chkUseMarkup =
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#endif // wxUSE_MARKUP
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m_chkDefault =
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m_chkUseBitmapClass =
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m_chkDisable =
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m_chkUsePressed =
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m_chkUseFocused =
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m_chkUseCurrent =
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m_chkUseDisabled = (wxCheckBox *)NULL;
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m_radioImagePos =
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m_radioHAlign =
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m_radioVAlign = (wxRadioBox *)NULL;
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m_textLabel = (wxTextCtrl *)NULL;
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m_button = (wxButton *)NULL;
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m_sizerButton = (wxSizer *)NULL;
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}
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void ButtonWidgetsPage::CreateContent()
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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, wxID_ANY, "&Set style");
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wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
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m_chkBitmapOnly = CreateCheckBoxAndAddToSizer(sizerLeft, "&Bitmap only");
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m_chkTextAndBitmap = CreateCheckBoxAndAddToSizer(sizerLeft, "Text &and bitmap");
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m_chkFit = CreateCheckBoxAndAddToSizer(sizerLeft, "&Fit exactly");
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m_chkAuthNeeded = CreateCheckBoxAndAddToSizer(sizerLeft, "Require a&uth");
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#if wxUSE_COMMANDLINKBUTTON
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m_chkCommandLink = CreateCheckBoxAndAddToSizer(sizerLeft, "Use command &link button");
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#endif
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#if wxUSE_MARKUP
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m_chkUseMarkup = CreateCheckBoxAndAddToSizer(sizerLeft, "Interpret &markup");
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#endif // wxUSE_MARKUP
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m_chkDefault = CreateCheckBoxAndAddToSizer(sizerLeft, "&Default");
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m_chkUseBitmapClass = CreateCheckBoxAndAddToSizer(sizerLeft,
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"Use wxBitmapButton");
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m_chkUseBitmapClass->SetValue(true);
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m_chkDisable = CreateCheckBoxAndAddToSizer(sizerLeft, "Disable");
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sizerLeft->AddSpacer(5);
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wxSizer *sizerUseLabels =
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new wxStaticBoxSizer(wxVERTICAL, this,
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"&Use the following bitmaps in addition to the normal one?");
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m_chkUsePressed = CreateCheckBoxAndAddToSizer(sizerUseLabels,
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"&Pressed (small help icon)");
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m_chkUseFocused = CreateCheckBoxAndAddToSizer(sizerUseLabels,
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"&Focused (small error icon)");
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m_chkUseCurrent = CreateCheckBoxAndAddToSizer(sizerUseLabels,
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"&Current (small warning icon)");
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m_chkUseDisabled = CreateCheckBoxAndAddToSizer(sizerUseLabels,
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"&Disabled (broken image icon)");
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sizerLeft->Add(sizerUseLabels, wxSizerFlags().Expand().Border());
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sizerLeft->AddSpacer(10);
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static const wxString dirs[] =
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{
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"left", "right", "top", "bottom",
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};
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m_radioImagePos = new wxRadioBox(this, wxID_ANY, "Image &position",
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(dirs), dirs);
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sizerLeft->Add(m_radioImagePos, wxSizerFlags().Expand().Border());
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sizerLeft->AddSpacer(15);
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// should be in sync with enums Button[HV]Align!
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static const wxString halign[] =
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{
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"left",
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"centre",
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"right",
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};
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static const wxString valign[] =
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{
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"top",
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"centre",
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"bottom",
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};
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m_radioHAlign = new wxRadioBox(this, wxID_ANY, "&Horz alignment",
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(halign), halign);
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m_radioVAlign = new wxRadioBox(this, wxID_ANY, "&Vert alignment",
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(valign), valign);
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sizerLeft->Add(m_radioHAlign, wxSizerFlags().Expand().Border());
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sizerLeft->Add(m_radioVAlign, wxSizerFlags().Expand().Border());
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sizerLeft->AddSpacer(5);
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wxButton *btn = new wxButton(this, ButtonPage_Reset, "&Reset");
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sizerLeft->Add(btn, wxSizerFlags().CentreHorizontal().TripleBorder(wxALL));
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// middle pane
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wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, "&Operations");
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wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
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wxSizer *sizerRow = CreateSizerWithTextAndButton(ButtonPage_ChangeLabel,
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"Change label",
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wxID_ANY,
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&m_textLabel);
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m_textLabel->SetValue("&Press me!");
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sizerMiddle->Add(sizerRow, wxSizerFlags().Expand().Border());
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#if wxUSE_COMMANDLINKBUTTON
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m_sizerNote = CreateSizerWithTextAndButton(ButtonPage_ChangeNote,
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"Change note",
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wxID_ANY,
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&m_textNote);
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m_textNote->SetValue("Writes down button clicks in the log.");
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sizerMiddle->Add(m_sizerNote, wxSizerFlags().Expand().Border());
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#endif
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// right pane
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m_sizerButton = new wxBoxSizer(wxHORIZONTAL);
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m_sizerButton->SetMinSize(FromDIP(150), 0);
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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().DoubleBorder(wxALL & ~wxLEFT));
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sizerTop->Add(sizerMiddle,
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wxSizerFlags(1).Expand().DoubleBorder(wxALL));
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sizerTop->Add(m_sizerButton,
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wxSizerFlags(1).Expand().DoubleBorder((wxALL & ~wxRIGHT)));
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// do create the main control
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Reset();
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CreateButton();
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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 ButtonWidgetsPage::Reset()
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{
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m_chkBitmapOnly->SetValue(false);
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m_chkFit->SetValue(false);
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m_chkAuthNeeded->SetValue(false);
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m_chkTextAndBitmap->SetValue(false);
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m_chkDefault->SetValue(false);
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#if wxUSE_COMMANDLINKBUTTON
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m_chkCommandLink->SetValue(false);
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#endif
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#if wxUSE_MARKUP
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m_chkUseMarkup->SetValue(false);
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#endif // wxUSE_MARKUP
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m_chkUseBitmapClass->SetValue(true);
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m_chkDisable->SetValue(false);
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m_chkUsePressed->SetValue(true);
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m_chkUseFocused->SetValue(true);
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m_chkUseCurrent->SetValue(true);
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m_chkUseDisabled->SetValue(true);
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m_radioImagePos->SetSelection(ButtonImagePos_Left);
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m_radioHAlign->SetSelection(ButtonHAlign_Centre);
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m_radioVAlign->SetSelection(ButtonVAlign_Centre);
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}
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void ButtonWidgetsPage::CreateButton()
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{
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wxString label;
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if ( m_button )
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{
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#if wxUSE_COMMANDLINKBUTTON
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if ( m_cmdLnkButton )
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label = m_cmdLnkButton->GetMainLabel();
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else
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#endif
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label = m_button->GetLabel();
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size_t count = m_sizerButton->GetChildren().GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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m_sizerButton->Remove( 0 );
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}
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delete m_button;
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}
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if ( label.empty() )
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{
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// creating for the first time or recreating a button after bitmap
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// button
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label = m_textLabel->GetValue();
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}
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int flags = GetAttrs().m_defaultFlags;
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switch ( m_radioHAlign->GetSelection() )
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{
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case ButtonHAlign_Left:
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flags |= wxBU_LEFT;
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break;
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default:
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wxFAIL_MSG("unexpected radiobox selection");
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wxFALLTHROUGH;
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case ButtonHAlign_Centre:
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break;
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case ButtonHAlign_Right:
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flags |= wxBU_RIGHT;
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break;
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}
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switch ( m_radioVAlign->GetSelection() )
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{
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case ButtonVAlign_Top:
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flags |= wxBU_TOP;
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break;
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default:
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wxFAIL_MSG("unexpected radiobox selection");
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wxFALLTHROUGH;
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case ButtonVAlign_Centre:
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// centre vertical alignment is the default (no style)
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break;
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case ButtonVAlign_Bottom:
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flags |= wxBU_BOTTOM;
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break;
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}
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if ( m_chkFit->GetValue() )
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{
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flags |= wxBU_EXACTFIT;
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}
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bool showsBitmap = false;
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if ( m_chkBitmapOnly->GetValue() )
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{
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#if wxUSE_COMMANDLINKBUTTON
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m_chkCommandLink->SetValue(false); // wxCommandLinkButton cannot be "Bitmap only"
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#endif
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showsBitmap = true;
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wxButton *bbtn;
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if ( m_chkUseBitmapClass->GetValue() )
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{
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bbtn = new wxBitmapButton(this, ButtonPage_Button,
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CreateBitmap("normal", wxART_INFORMATION),
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wxDefaultPosition, wxDefaultSize, flags);
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}
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else
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{
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bbtn = new wxButton(this, ButtonPage_Button);
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bbtn->SetBitmapLabel(CreateBitmap("normal", wxART_INFORMATION));
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}
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if ( m_chkUsePressed->GetValue() )
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bbtn->SetBitmapPressed(CreateBitmap("pushed", wxART_HELP));
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if ( m_chkUseFocused->GetValue() )
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bbtn->SetBitmapFocus(CreateBitmap("focused", wxART_ERROR));
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if ( m_chkUseCurrent->GetValue() )
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bbtn->SetBitmapCurrent(CreateBitmap("hover", wxART_WARNING));
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if ( m_chkUseDisabled->GetValue() )
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bbtn->SetBitmapDisabled(CreateBitmap("disabled", wxART_MISSING_IMAGE));
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m_button = bbtn;
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#if wxUSE_COMMANDLINKBUTTON
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m_cmdLnkButton = NULL;
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#endif
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}
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else // normal button
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{
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#if wxUSE_COMMANDLINKBUTTON
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m_cmdLnkButton = NULL;
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if ( m_chkCommandLink->GetValue() )
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{
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m_cmdLnkButton = new wxCommandLinkButton(this, ButtonPage_Button,
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label,
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m_textNote->GetValue(),
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wxDefaultPosition,
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wxDefaultSize,
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flags);
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m_button = m_cmdLnkButton;
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}
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else
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#endif // wxUSE_COMMANDLINKBUTTON
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{
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m_button = new wxButton(this, ButtonPage_Button, label,
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wxDefaultPosition, wxDefaultSize,
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flags);
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}
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}
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#if wxUSE_COMMANDLINKBUTTON
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m_sizerNote->Show(m_chkCommandLink->GetValue());
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#endif
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if ( !showsBitmap && m_chkTextAndBitmap->GetValue() )
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{
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showsBitmap = true;
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static const wxDirection positions[] =
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{
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wxLEFT, wxRIGHT, wxTOP, wxBOTTOM
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};
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m_button->SetBitmap(wxArtProvider::GetIcon(wxART_INFORMATION, wxART_BUTTON),
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positions[m_radioImagePos->GetSelection()]);
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if ( m_chkUsePressed->GetValue() )
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m_button->SetBitmapPressed(wxArtProvider::GetIcon(wxART_HELP, wxART_BUTTON));
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if ( m_chkUseFocused->GetValue() )
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m_button->SetBitmapFocus(wxArtProvider::GetIcon(wxART_ERROR, wxART_BUTTON));
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if ( m_chkUseCurrent->GetValue() )
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m_button->SetBitmapCurrent(wxArtProvider::GetIcon(wxART_WARNING, wxART_BUTTON));
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if ( m_chkUseDisabled->GetValue() )
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m_button->SetBitmapDisabled(wxArtProvider::GetIcon(wxART_MISSING_IMAGE, wxART_BUTTON));
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}
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m_chkTextAndBitmap->Enable(!m_chkBitmapOnly->IsChecked());
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m_chkBitmapOnly->Enable(!m_chkTextAndBitmap->IsChecked());
|
|
#if wxUSE_COMMANDLINKBUTTON
|
|
m_chkCommandLink->Enable(!m_chkBitmapOnly->IsChecked());
|
|
#endif
|
|
m_chkUseBitmapClass->Enable(showsBitmap);
|
|
|
|
m_chkUsePressed->Enable(showsBitmap);
|
|
m_chkUseFocused->Enable(showsBitmap);
|
|
m_chkUseCurrent->Enable(showsBitmap);
|
|
m_chkUseDisabled->Enable(showsBitmap);
|
|
|
|
if ( m_chkAuthNeeded->GetValue() )
|
|
m_button->SetAuthNeeded();
|
|
|
|
if ( m_chkDefault->GetValue() )
|
|
m_button->SetDefault();
|
|
|
|
m_button->Enable(!m_chkDisable->IsChecked());
|
|
|
|
m_sizerButton->AddStretchSpacer();
|
|
m_sizerButton->Add(m_button, wxSizerFlags().Centre().Border());
|
|
m_sizerButton->AddStretchSpacer();
|
|
|
|
m_sizerButton->Layout();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// event handlers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void ButtonWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
Reset();
|
|
|
|
CreateButton();
|
|
}
|
|
|
|
void ButtonWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
CreateButton();
|
|
Layout(); // make sure the text field for changing note displays correctly.
|
|
}
|
|
|
|
void ButtonWidgetsPage::OnButtonChangeLabel(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
const wxString labelText = m_textLabel->GetValue();
|
|
|
|
#if wxUSE_COMMANDLINKBUTTON
|
|
if ( m_cmdLnkButton )
|
|
m_cmdLnkButton->SetMainLabel(labelText);
|
|
else
|
|
#endif // wxUSE_COMMANDLINKBUTTON
|
|
{
|
|
#if wxUSE_MARKUP
|
|
if ( m_chkUseMarkup->GetValue() )
|
|
m_button->SetLabelMarkup(labelText);
|
|
else
|
|
#endif // wxUSE_MARKUP
|
|
m_button->SetLabel(labelText);
|
|
}
|
|
|
|
if ( m_chkBitmapOnly->IsChecked() )
|
|
CreateButton();
|
|
|
|
m_sizerButton->Layout();
|
|
}
|
|
|
|
void ButtonWidgetsPage::OnButtonChangeNote(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
#if wxUSE_COMMANDLINKBUTTON
|
|
m_cmdLnkButton->SetNote(m_textNote->GetValue());
|
|
|
|
m_sizerButton->Layout();
|
|
#endif // wxUSE_COMMANDLINKBUTTON
|
|
}
|
|
|
|
void ButtonWidgetsPage::OnButton(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
wxLogMessage("Test button clicked.");
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// bitmap button stuff
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxBitmap ButtonWidgetsPage::CreateBitmap(const wxString& label, const wxArtID& type)
|
|
{
|
|
wxBitmap bmp(FromDIP(wxSize(180, 70))); // shouldn't hardcode but it's simpler like this
|
|
wxMemoryDC dc;
|
|
dc.SelectObject(bmp);
|
|
dc.SetFont(GetFont());
|
|
dc.SetBackground(*wxCYAN_BRUSH);
|
|
dc.Clear();
|
|
dc.SetTextForeground(*wxBLACK);
|
|
dc.DrawLabel(wxStripMenuCodes(m_textLabel->GetValue()) + "\n"
|
|
"(" + label + " state)",
|
|
wxArtProvider::GetBitmap(type),
|
|
wxRect(10, 10, bmp.GetWidth() - 20, bmp.GetHeight() - 20),
|
|
wxALIGN_CENTRE);
|
|
|
|
return bmp;
|
|
}
|
|
|