added more files (unchanged) from wxUniv branch
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10674 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
658
samples/widgets/textctrl.cpp
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658
samples/widgets/textctrl.cpp
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@@ -0,0 +1,658 @@
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/////////////////////////////////////////////////////////////////////////////
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// Program: wxWindows Widgets Sample
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// Name: textctrl.cpp
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// Purpose: part of the widgets sample showing wxTextCtrl
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// Author: Vadim Zeitlin
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// Created: 27.03.01
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// Id: $Id$
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// Copyright: (c) 2001 Vadim Zeitlin
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// License: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/timer.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/stattext.h"
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#include "wx/textctrl.h"
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#endif
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#include "wx/sizer.h"
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#include "widgets.h"
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#include "icons/text.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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TextPage_Reset = 100,
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TextPage_Set,
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TextPage_Add,
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TextPage_Insert,
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TextPage_Clear,
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TextPage_Load,
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TextPage_Password,
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TextPage_WrapLines,
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TextPage_Textctrl
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};
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// textctrl line number radiobox values
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enum TextLines
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{
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TextLines_Single,
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TextLines_Multi
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};
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// default values for the controls
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static const struct ControlValues
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{
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TextLines textLines;
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bool password;
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bool wraplines;
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bool readonly;
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} DEFAULTS =
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{
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TextLines_Multi, // multiline
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FALSE, // not password
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TRUE, // do wrap lines
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FALSE // not readonly
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};
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// ----------------------------------------------------------------------------
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// TextWidgetsPage
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// ----------------------------------------------------------------------------
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// Define a new frame type: this is going to be our main frame
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class TextWidgetsPage : public WidgetsPage
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{
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public:
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// ctor(s) and dtor
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TextWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);
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virtual ~TextWidgetsPage();
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protected:
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// create an info text contorl
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wxTextCtrl *CreateInfoText();
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// create a horz sizer holding a static text and this text control
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wxSizer *CreateTextWithLabelSizer(const wxString& label,
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wxTextCtrl *text,
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const wxString& label2 = wxEmptyString,
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wxTextCtrl *text2 = NULL);
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// event handlers
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void OnButtonReset(wxCommandEvent& event);
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void OnButtonClearLog(wxCommandEvent& event);
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void OnButtonSet(wxCommandEvent& event);
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void OnButtonAdd(wxCommandEvent& event);
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void OnButtonInsert(wxCommandEvent& event);
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void OnButtonClear(wxCommandEvent& event);
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void OnButtonLoad(wxCommandEvent& event);
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void OnButtonQuit(wxCommandEvent& event);
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void OnText(wxCommandEvent& event);
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void OnTextEnter(wxCommandEvent& event);
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void OnCheckOrRadioBox(wxCommandEvent& event);
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void OnUpdateUIClearButton(wxUpdateUIEvent& event);
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void OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event);
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void OnUpdateUIWrapLinesCheckbox(wxUpdateUIEvent& event);
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void OnUpdateUIResetButton(wxUpdateUIEvent& event);
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void OnIdle(wxIdleEvent& event);
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// reset the textctrl parameters
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void Reset();
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// (re)create the textctrl
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void CreateText();
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// is the control currently single line?
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bool IsSingleLine() const
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{
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return m_radioTextLines->GetSelection() == TextLines_Single;
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}
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// the controls
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// ------------
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// the radiobox to choose between single and multi line
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wxRadioBox *m_radioTextLines;
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// the checkboxes controlling text ctrl styles
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wxCheckBox *m_chkPassword,
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*m_chkWrapLines,
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*m_chkReadonly;
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// the textctrl itself and the sizer it is in
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wxTextCtrl *m_text;
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wxSizer *m_sizerText;
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// the information text zones
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wxTextCtrl *m_textPosCur,
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*m_textRowCur,
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*m_textColCur,
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*m_textPosLast,
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*m_textLineLast,
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*m_textSelFrom,
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*m_textSelTo;
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// and the data to show in them
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long m_posCur,
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m_posLast,
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m_selFrom,
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m_selTo;
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private:
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE();
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DECLARE_WIDGETS_PAGE(TextWidgetsPage);
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};
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(TextWidgetsPage, WidgetsPage)
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EVT_IDLE(TextWidgetsPage::OnIdle)
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EVT_BUTTON(TextPage_Reset, TextWidgetsPage::OnButtonReset)
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EVT_BUTTON(TextPage_Clear, TextWidgetsPage::OnButtonClear)
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EVT_BUTTON(TextPage_Set, TextWidgetsPage::OnButtonSet)
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EVT_BUTTON(TextPage_Add, TextWidgetsPage::OnButtonAdd)
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EVT_BUTTON(TextPage_Insert, TextWidgetsPage::OnButtonInsert)
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EVT_BUTTON(TextPage_Load, TextWidgetsPage::OnButtonLoad)
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EVT_UPDATE_UI(TextPage_Clear, TextWidgetsPage::OnUpdateUIClearButton)
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EVT_UPDATE_UI(TextPage_Password, TextWidgetsPage::OnUpdateUIPasswordCheckbox)
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EVT_UPDATE_UI(TextPage_WrapLines, TextWidgetsPage::OnUpdateUIWrapLinesCheckbox)
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EVT_UPDATE_UI(TextPage_Reset, TextWidgetsPage::OnUpdateUIResetButton)
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EVT_TEXT(TextPage_Textctrl, TextWidgetsPage::OnText)
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EVT_TEXT_ENTER(TextPage_Textctrl, TextWidgetsPage::OnTextEnter)
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EVT_CHECKBOX(-1, TextWidgetsPage::OnCheckOrRadioBox)
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EVT_RADIOBOX(-1, TextWidgetsPage::OnCheckOrRadioBox)
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END_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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IMPLEMENT_WIDGETS_PAGE(TextWidgetsPage, _T("Text"));
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// ----------------------------------------------------------------------------
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// TextWidgetsPage creation
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// ----------------------------------------------------------------------------
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TextWidgetsPage::TextWidgetsPage(wxNotebook *notebook, wxImageList *imaglist)
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: WidgetsPage(notebook)
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{
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imaglist->Add(wxBitmap(text_xpm));
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// init everything
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m_radioTextLines = (wxRadioBox *)NULL;
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m_chkPassword =
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m_chkWrapLines =
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m_chkReadonly = (wxCheckBox *)NULL;
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m_text =
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m_textPosCur =
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m_textRowCur =
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m_textColCur =
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m_textPosLast =
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m_textLineLast =
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m_textSelFrom =
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m_textSelTo = (wxTextCtrl *)NULL;
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m_sizerText = (wxSizer *)NULL;
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m_posCur =
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m_posLast =
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m_selFrom =
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m_selTo = -2; // not -1 which means "no selection"
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// left pane
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static const wxString modes[] =
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{
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_T("single line"),
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_T("multi line"),
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};
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wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set textctrl parameters"));
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m_radioTextLines = new wxRadioBox(this, -1, _T("&Number of lines:"),
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wxDefaultPosition, wxDefaultSize,
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WXSIZEOF(modes), modes,
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1, wxRA_SPECIFY_COLS);
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wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
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sizerLeft->Add(m_radioTextLines, 0, wxGROW | wxALL, 5);
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sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
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m_chkPassword = CreateCheckBoxAndAddToSizer(
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sizerLeft, _T("&Password control"), TextPage_Password
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);
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m_chkWrapLines = CreateCheckBoxAndAddToSizer(
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sizerLeft, _T("Line &wrap"), TextPage_WrapLines
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);
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m_chkReadonly = CreateCheckBoxAndAddToSizer(
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sizerLeft, _T("&Read-only mode")
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);
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wxButton *btn = new wxButton(this, TextPage_Reset, _T("&Reset"));
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sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
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// middle pane
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wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change contents:"));
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wxSizer *sizerMiddleUp = new wxStaticBoxSizer(box2, wxVERTICAL);
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btn = new wxButton(this, TextPage_Set, _T("&Set text value"));
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sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, TextPage_Add, _T("&Append text"));
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sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, TextPage_Insert, _T("&Insert text"));
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sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, TextPage_Load, _T("&Load file"));
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sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, TextPage_Clear, _T("&Clear"));
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sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 5);
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wxStaticBox *box4 = new wxStaticBox(this, -1, _T("&Info:"));
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wxSizer *sizerMiddleDown = new wxStaticBoxSizer(box4, wxVERTICAL);
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m_textPosCur = CreateInfoText();
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m_textRowCur = CreateInfoText();
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m_textColCur = CreateInfoText();
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wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
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sizerRow->Add(CreateTextWithLabelSizer
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(
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_T("Current pos:"),
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m_textPosCur
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),
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0, wxRIGHT, 5);
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sizerRow->Add(CreateTextWithLabelSizer
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(
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_T("Col:"),
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m_textColCur
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),
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0, wxLEFT | wxRIGHT, 5);
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sizerRow->Add(CreateTextWithLabelSizer
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(
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_T("Row:"),
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m_textRowCur
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),
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0, wxLEFT, 5);
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sizerMiddleDown->Add(sizerRow, 0, wxALL, 5);
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m_textLineLast = CreateInfoText();
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m_textPosLast = CreateInfoText();
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sizerMiddleDown->Add
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(
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CreateTextWithLabelSizer
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(
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_T("Number of lines:"),
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m_textLineLast,
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_T("Last position:"),
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m_textPosLast
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),
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0, wxALL, 5
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);
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m_textSelFrom = CreateInfoText();
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m_textSelTo = CreateInfoText();
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sizerMiddleDown->Add
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(
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CreateTextWithLabelSizer
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(
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_T("Selection: from"),
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m_textSelFrom,
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_T("to"),
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m_textSelTo
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),
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0, wxALL, 5
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);
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wxSizer *sizerMiddle = new wxBoxSizer(wxVERTICAL);
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sizerMiddle->Add(sizerMiddleUp, 0, wxGROW);
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sizerMiddle->Add(sizerMiddleDown, 1, wxGROW | wxTOP, 5);
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// right pane
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wxStaticBox *box3 = new wxStaticBox(this, -1, _T("&Text:"));
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m_sizerText = new wxStaticBoxSizer(box3, wxHORIZONTAL);
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Reset();
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CreateText();
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m_sizerText->SetMinSize(250, 0);
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// the 3 panes panes compose the upper part of the window
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wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
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sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
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sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10);
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sizerTop->Add(m_sizerText, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
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SetAutoLayout(TRUE);
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SetSizer(sizerTop);
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sizerTop->Fit(this);
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}
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TextWidgetsPage::~TextWidgetsPage()
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{
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}
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// ----------------------------------------------------------------------------
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// creation helpers
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// ----------------------------------------------------------------------------
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wxTextCtrl *TextWidgetsPage::CreateInfoText()
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{
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static int s_maxWidth = 0;
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if ( !s_maxWidth )
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{
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// calc it once only
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GetTextExtent(_T("9999999"), &s_maxWidth, NULL);
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}
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wxTextCtrl *text = new wxTextCtrl(this, -1, _T(""),
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wxDefaultPosition,
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wxSize(s_maxWidth, -1),
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wxTE_READONLY);
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return text;
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}
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wxSizer *TextWidgetsPage::CreateTextWithLabelSizer(const wxString& label,
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wxTextCtrl *text,
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const wxString& label2,
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||||
wxTextCtrl *text2)
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||||
{
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wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
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sizerRow->Add(new wxStaticText(this, -1, label), 0,
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||||
wxALIGN_CENTRE_VERTICAL | wxRIGHT, 5);
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sizerRow->Add(text, 0, wxALIGN_CENTRE_VERTICAL);
|
||||
if ( text2 )
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||||
{
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||||
sizerRow->Add(new wxStaticText(this, -1, label2), 0,
|
||||
wxALIGN_CENTRE_VERTICAL | wxLEFT | wxRIGHT, 5);
|
||||
sizerRow->Add(text2, 0, wxALIGN_CENTRE_VERTICAL);
|
||||
}
|
||||
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||||
return sizerRow;
|
||||
}
|
||||
|
||||
// ----------------------------------------------------------------------------
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||||
// operations
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
void TextWidgetsPage::Reset()
|
||||
{
|
||||
m_radioTextLines->SetSelection(DEFAULTS.textLines);
|
||||
m_chkPassword->SetValue(DEFAULTS.password);
|
||||
m_chkWrapLines->SetValue(DEFAULTS.wraplines);
|
||||
m_chkReadonly->SetValue(DEFAULTS.readonly);
|
||||
}
|
||||
|
||||
void TextWidgetsPage::CreateText()
|
||||
{
|
||||
int flags = 0;
|
||||
switch ( m_radioTextLines->GetSelection() )
|
||||
{
|
||||
default:
|
||||
wxFAIL_MSG( _T("unexpected radio box selection") );
|
||||
|
||||
case TextLines_Single:
|
||||
break;
|
||||
|
||||
case TextLines_Multi:
|
||||
flags |= wxTE_MULTILINE;
|
||||
m_chkPassword->SetValue(FALSE);
|
||||
break;
|
||||
}
|
||||
|
||||
if ( m_chkPassword->GetValue() )
|
||||
flags |= wxTE_PASSWORD;
|
||||
if ( m_chkReadonly->GetValue() )
|
||||
flags |= wxTE_READONLY;
|
||||
if ( !m_chkWrapLines->GetValue() )
|
||||
flags |= wxHSCROLL;
|
||||
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||||
wxString valueOld;
|
||||
if ( m_text )
|
||||
{
|
||||
valueOld = m_text->GetValue();
|
||||
|
||||
m_sizerText->Remove(m_text);
|
||||
delete m_text;
|
||||
}
|
||||
else
|
||||
{
|
||||
valueOld = _T("Hello, Universe!");
|
||||
}
|
||||
|
||||
m_text = new wxTextCtrl(this, TextPage_Textctrl,
|
||||
valueOld,
|
||||
wxDefaultPosition, wxDefaultSize,
|
||||
flags);
|
||||
m_sizerText->Add(m_text, 1, wxALL |
|
||||
(flags & wxTE_MULTILINE ? wxGROW
|
||||
: wxALIGN_TOP), 5);
|
||||
m_sizerText->Layout();
|
||||
}
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// event handlers
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
void TextWidgetsPage::OnIdle(wxIdleEvent& WXUNUSED(event))
|
||||
{
|
||||
// update all info texts
|
||||
|
||||
if ( m_textPosCur )
|
||||
{
|
||||
long posCur = m_text->GetInsertionPoint();
|
||||
if ( posCur != m_posCur )
|
||||
{
|
||||
m_textPosCur->Clear();
|
||||
m_textRowCur->Clear();
|
||||
m_textColCur->Clear();
|
||||
|
||||
long col, row;
|
||||
m_text->PositionToXY(posCur, &col, &row);
|
||||
|
||||
*m_textPosCur << posCur;
|
||||
*m_textRowCur << row;
|
||||
*m_textColCur << col;
|
||||
|
||||
m_posCur = posCur;
|
||||
}
|
||||
}
|
||||
|
||||
if ( m_textPosLast )
|
||||
{
|
||||
long posLast = m_text->GetLastPosition();
|
||||
if ( posLast != m_posLast )
|
||||
{
|
||||
m_textPosLast->Clear();
|
||||
*m_textPosLast << posLast;
|
||||
|
||||
m_posLast = posLast;
|
||||
}
|
||||
}
|
||||
|
||||
if ( m_textLineLast )
|
||||
{
|
||||
m_textLineLast->SetValue(
|
||||
wxString::Format(_T("%ld"), m_text->GetNumberOfLines()));
|
||||
}
|
||||
|
||||
if ( m_textSelFrom && m_textSelTo )
|
||||
{
|
||||
long selFrom, selTo;
|
||||
m_text->GetSelection(&selFrom, &selTo);
|
||||
if ( selFrom != m_selFrom )
|
||||
{
|
||||
m_textSelFrom->Clear();
|
||||
*m_textSelFrom << selFrom;
|
||||
|
||||
m_selFrom = selFrom;
|
||||
}
|
||||
|
||||
if ( selTo != m_selTo )
|
||||
{
|
||||
m_textSelTo->Clear();
|
||||
*m_textSelTo << selTo;
|
||||
|
||||
m_selTo = selTo;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
|
||||
{
|
||||
Reset();
|
||||
|
||||
CreateText();
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnButtonSet(wxCommandEvent& WXUNUSED(event))
|
||||
{
|
||||
m_text->SetValue(_T("Yellow submarine"));
|
||||
m_text->SetFocus();
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
|
||||
{
|
||||
m_text->AppendText(_T("here, there and everywhere"));
|
||||
m_text->SetFocus();
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
|
||||
{
|
||||
m_text->WriteText(_T("is there anybody going to listen to my story"));
|
||||
m_text->SetFocus();
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
|
||||
{
|
||||
m_text->Clear();
|
||||
m_text->SetFocus();
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnButtonLoad(wxCommandEvent& WXUNUSED(event))
|
||||
{
|
||||
// search for the file in several dirs where it's likely to be
|
||||
wxPathList pathlist;
|
||||
pathlist.Add(_T("."));
|
||||
pathlist.Add(_T(".."));
|
||||
pathlist.Add(_T("../../../samples/widgets"));
|
||||
|
||||
wxString filename = pathlist.FindValidPath(_T("textctrl.cpp"));
|
||||
if ( !filename )
|
||||
{
|
||||
wxLogError(_T("File textctrl.cpp not found."));
|
||||
}
|
||||
else // load it
|
||||
{
|
||||
wxStopWatch sw;
|
||||
if ( !m_text->LoadFile(filename) )
|
||||
{
|
||||
// this is not supposed to happen ...
|
||||
wxLogError(_T("Error loading file."));
|
||||
}
|
||||
else
|
||||
{
|
||||
long elapsed = sw.Time();
|
||||
wxLogMessage(_T("Loaded file '%s' in %u.%us"),
|
||||
filename.c_str(), elapsed / 1000, elapsed % 1000);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable(!m_text->GetValue().empty());
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnUpdateUIWrapLinesCheckbox(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable( !IsSingleLine() );
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event)
|
||||
{
|
||||
// can't put multiline control in password mode
|
||||
event.Enable( IsSingleLine() );
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
|
||||
{
|
||||
event.Enable( (m_radioTextLines->GetSelection() != DEFAULTS.textLines) ||
|
||||
(m_chkReadonly->GetValue() != DEFAULTS.readonly) ||
|
||||
(m_chkPassword->GetValue() != DEFAULTS.password) ||
|
||||
(m_chkWrapLines->GetValue() != DEFAULTS.wraplines) );
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnText(wxCommandEvent& event)
|
||||
{
|
||||
// small hack to suppress the very first message: by then the logging is
|
||||
// not yet redirected and so initial setting of the text value results in
|
||||
// an annoying message box
|
||||
static bool s_firstTime = TRUE;
|
||||
if ( s_firstTime )
|
||||
{
|
||||
s_firstTime = FALSE;
|
||||
return;
|
||||
}
|
||||
|
||||
wxLogMessage(_T("Text ctrl value changed"));
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnTextEnter(wxCommandEvent& event)
|
||||
{
|
||||
wxLogMessage(_T("Text entered: '%s'"), event.GetString().c_str());
|
||||
}
|
||||
|
||||
void TextWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
|
||||
{
|
||||
CreateText();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user