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wxWidgets/samples/widgets/textctrl.cpp
Vadim Zeitlin 3d9656395a Fix unwanted message boxes in widgets sample once and for all 
Add IsUsingLogWindow() that can be used to check if the log messages go
into the listbox instead of being shown in a message box, which was
annoying when starting or quitting the sample.

This is a bit more complicated than the hack previously used in
TextWidgetsPage::OnText(), but more general and can be easily reused for
the focus loss messages, for example.
2019-07-08 12:53:02 +02:00

1072 lines
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/////////////////////////////////////////////////////////////////////////////
// Program: wxWidgets Widgets Sample
// Name: textctrl.cpp
// Purpose: part of the widgets sample showing wxTextCtrl
// Author: Vadim Zeitlin
// Created: 27.03.01
// Copyright: (c) 2001 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// for compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/log.h"
#include "wx/timer.h"
#include "wx/bitmap.h"
#include "wx/button.h"
#include "wx/checkbox.h"
#include "wx/dcclient.h"
#include "wx/radiobox.h"
#include "wx/statbox.h"
#include "wx/stattext.h"
#include "wx/textctrl.h"
#include "wx/msgdlg.h"
#endif
#include "wx/sizer.h"
#include "wx/ioswrap.h"
#include "widgets.h"
#include "icons/text.xpm"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// control ids
enum
{
TextPage_Reset = wxID_HIGHEST,
TextPage_Set,
TextPage_Add,
TextPage_Insert,
TextPage_Clear,
TextPage_Load,
TextPage_StreamRedirector,
TextPage_Password,
TextPage_NoVertScrollbar,
TextPage_WrapLines,
TextPage_Textctrl
};
// textctrl line number radiobox values
enum TextLines
{
TextLines_Single,
TextLines_Multi,
TextLines_Max
};
// wrap style radio box
enum WrapStyle
{
WrapStyle_None,
WrapStyle_Word,
WrapStyle_Char,
WrapStyle_Best,
WrapStyle_Max
};
// Alignment style radio box
enum AlignmentStyle
{
Align_Left,
Align_Center,
Align_Right,
};
#ifdef __WXMSW__
// textctrl kind values
enum TextKind
{
TextKind_Plain,
TextKind_Rich,
TextKind_Rich2,
TextKind_Max
};
#endif // __WXMSW__
// default values for the controls
static const struct ControlValues
{
TextLines textLines;
bool password;
bool readonly;
bool processEnter;
bool processTab;
bool filename;
bool noVertScrollbar;
WrapStyle wrapStyle;
AlignmentStyle alignmentStyle;
#ifdef __WXMSW__
TextKind textKind;
#endif // __WXMSW__
} DEFAULTS =
{
TextLines_Multi, // multiline
false, // not password
false, // not readonly
true, // do process enter
false, // do not process Tab
false, // not filename
false, // don't hide vertical scrollbar
WrapStyle_Word, // wrap on word boundaries
Align_Left, // leading-alignment
#ifdef __WXMSW__
TextKind_Plain // plain EDIT control
#endif // __WXMSW__
};
// ----------------------------------------------------------------------------
// TextWidgetsPage
// ----------------------------------------------------------------------------
// Define a new frame type: this is going to be our main frame
class TextWidgetsPage : public WidgetsPage
{
public:
// ctor(s) and dtor
TextWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
virtual wxWindow *GetWidget() const wxOVERRIDE { return m_text; }
virtual wxTextEntryBase *GetTextEntry() const wxOVERRIDE { return m_text; }
virtual void RecreateWidget() wxOVERRIDE { CreateText(); }
// lazy creation of the content
virtual void CreateContent() wxOVERRIDE;
protected:
// create an info text contorl
wxTextCtrl *CreateInfoText();
// create a horz sizer holding a static text and this text control
wxSizer *CreateTextWithLabelSizer(const wxString& label,
wxTextCtrl *text,
const wxString& label2 = wxEmptyString,
wxTextCtrl *text2 = NULL);
// event handlers
void OnButtonReset(wxCommandEvent& event);
void OnButtonClearLog(wxCommandEvent& event);
void OnButtonSet(wxCommandEvent& event);
void OnButtonAdd(wxCommandEvent& event);
void OnButtonInsert(wxCommandEvent& event);
void OnButtonClear(wxCommandEvent& event);
void OnButtonLoad(wxCommandEvent& event);
void OnStreamRedirector(wxCommandEvent& event);
void OnButtonQuit(wxCommandEvent& event);
void OnText(wxCommandEvent& event);
void OnTextEnter(wxCommandEvent& event);
void OnTextPasted(wxClipboardTextEvent& event);
void OnCheckOrRadioBox(wxCommandEvent& event);
void OnUpdateUIClearButton(wxUpdateUIEvent& event);
void OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event);
void OnUpdateUINoVertScrollbarCheckbox(wxUpdateUIEvent& event);
void OnUpdateUIWrapLinesRadiobox(wxUpdateUIEvent& event);
void OnUpdateUIResetButton(wxUpdateUIEvent& event);
void OnIdle(wxIdleEvent& event);
// reset the textctrl parameters
void Reset();
// (re)create the textctrl
void CreateText();
// is the control currently single line?
bool IsSingleLine() const
{
return m_radioTextLines->GetSelection() == TextLines_Single;
}
// the controls
// ------------
// the radiobox to choose between single and multi line
wxRadioBox *m_radioTextLines;
// and another one to choose the wrapping style
wxRadioBox *m_radioWrap;
// and yet another one to choose the alignment style
wxRadioBox *m_radioAlign;
// the checkboxes controlling text ctrl styles
wxCheckBox *m_chkPassword,
*m_chkReadonly,
*m_chkProcessEnter,
*m_chkProcessTab,
*m_chkFilename,
*m_chkNoVertScrollbar;
// under MSW we test rich edit controls as well here
#ifdef __WXMSW__
wxRadioBox *m_radioKind;
#endif // __WXMSW__
// the textctrl itself and the sizer it is in
wxTextCtrl *m_text;
wxSizer *m_sizerText;
// the information text zones
wxTextCtrl *m_textPosCur,
*m_textRowCur,
*m_textColCur,
*m_textPosLast,
*m_textLineLast,
*m_textSelFrom,
*m_textSelTo,
*m_textRange;
// and the data to show in them
long m_posCur,
m_posLast,
m_selFrom,
m_selTo;
wxString m_range10_20;
private:
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
DECLARE_WIDGETS_PAGE(TextWidgetsPage)
};
// ----------------------------------------------------------------------------
// WidgetsTextCtrl
// ----------------------------------------------------------------------------
class WidgetsTextCtrl : public wxTextCtrl
{
public:
WidgetsTextCtrl(wxWindow *parent,
wxWindowID id,
const wxString& value,
int flags)
: wxTextCtrl(parent, id, value, wxDefaultPosition, wxDefaultSize, flags)
{
Bind(wxEVT_LEFT_DOWN, &WidgetsTextCtrl::OnLeftClick, this);
}
private:
// Show the result of HitTest() at the mouse position if Alt is pressed.
void OnLeftClick(wxMouseEvent& event)
{
event.Skip();
if ( !event.AltDown() )
return;
wxString where;
wxTextCoord x, y;
switch ( HitTest(event.GetPosition(), &x, &y) )
{
default:
wxFAIL_MSG( "unexpected HitTest() result" );
wxFALLTHROUGH;
case wxTE_HT_UNKNOWN:
x = y = -1;
where = "nowhere near";
break;
case wxTE_HT_BEFORE:
where = "before";
break;
case wxTE_HT_BELOW:
where = "below";
break;
case wxTE_HT_BEYOND:
where = "beyond";
break;
case wxTE_HT_ON_TEXT:
where = "at";
break;
}
wxLogMessage("Mouse is %s (%ld, %ld)", where, x, y);
}
};
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(TextWidgetsPage, WidgetsPage)
EVT_IDLE(TextWidgetsPage::OnIdle)
EVT_BUTTON(TextPage_Reset, TextWidgetsPage::OnButtonReset)
EVT_BUTTON(TextPage_StreamRedirector, TextWidgetsPage::OnStreamRedirector)
EVT_BUTTON(TextPage_Clear, TextWidgetsPage::OnButtonClear)
EVT_BUTTON(TextPage_Set, TextWidgetsPage::OnButtonSet)
EVT_BUTTON(TextPage_Add, TextWidgetsPage::OnButtonAdd)
EVT_BUTTON(TextPage_Insert, TextWidgetsPage::OnButtonInsert)
EVT_BUTTON(TextPage_Load, TextWidgetsPage::OnButtonLoad)
EVT_UPDATE_UI(TextPage_Clear, TextWidgetsPage::OnUpdateUIClearButton)
EVT_UPDATE_UI(TextPage_Password, TextWidgetsPage::OnUpdateUIPasswordCheckbox)
EVT_UPDATE_UI(TextPage_NoVertScrollbar, TextWidgetsPage::OnUpdateUINoVertScrollbarCheckbox)
EVT_UPDATE_UI(TextPage_WrapLines, TextWidgetsPage::OnUpdateUIWrapLinesRadiobox)
EVT_UPDATE_UI(TextPage_Reset, TextWidgetsPage::OnUpdateUIResetButton)
EVT_TEXT(TextPage_Textctrl, TextWidgetsPage::OnText)
EVT_TEXT_ENTER(TextPage_Textctrl, TextWidgetsPage::OnTextEnter)
EVT_TEXT_PASTE(TextPage_Textctrl, TextWidgetsPage::OnTextPasted)
EVT_CHECKBOX(wxID_ANY, TextWidgetsPage::OnCheckOrRadioBox)
EVT_RADIOBOX(wxID_ANY, TextWidgetsPage::OnCheckOrRadioBox)
wxEND_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
#if defined(__WXX11__)
#define FAMILY_CTRLS NATIVE_CTRLS
#elif defined(__WXUNIVERSAL__)
#define FAMILY_CTRLS UNIVERSAL_CTRLS
#else
#define FAMILY_CTRLS NATIVE_CTRLS
#endif
IMPLEMENT_WIDGETS_PAGE(TextWidgetsPage, "Text",
FAMILY_CTRLS | EDITABLE_CTRLS
);
// ----------------------------------------------------------------------------
// TextWidgetsPage creation
// ----------------------------------------------------------------------------
TextWidgetsPage::TextWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist)
: WidgetsPage(book, imaglist, text_xpm)
{
// init everything
#ifdef __WXMSW__
m_radioKind =
#endif // __WXMSW__
m_radioWrap =
m_radioAlign =
m_radioTextLines = (wxRadioBox *)NULL;
m_chkPassword =
m_chkReadonly =
m_chkProcessEnter =
m_chkProcessTab =
m_chkFilename =
m_chkNoVertScrollbar = (wxCheckBox *)NULL;
m_text =
m_textPosCur =
m_textRowCur =
m_textColCur =
m_textPosLast =
m_textLineLast =
m_textSelFrom =
m_textSelTo =
m_textRange = (wxTextCtrl *)NULL;
m_sizerText = (wxSizer *)NULL;
m_posCur =
m_posLast =
m_selFrom =
m_selTo = -2; // not -1 which means "no selection"
}
void TextWidgetsPage::CreateContent()
{
// left pane
static const wxString modes[] =
{
"single line",
"multi line",
};
wxStaticBox *box = new wxStaticBox(this, wxID_ANY, "&Set textctrl parameters");
m_radioTextLines = new wxRadioBox(this, wxID_ANY, "&Number of lines:",
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(modes), modes,
1, wxRA_SPECIFY_COLS);
wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
sizerLeft->Add(m_radioTextLines, 0, wxGROW | wxALL, 5);
sizerLeft->AddSpacer(5);
m_chkPassword = CreateCheckBoxAndAddToSizer(
sizerLeft, "&Password control", TextPage_Password
);
m_chkReadonly = CreateCheckBoxAndAddToSizer(
sizerLeft, "&Read-only mode"
);
m_chkProcessEnter = CreateCheckBoxAndAddToSizer(
sizerLeft, "Process &Enter"
);
m_chkProcessTab = CreateCheckBoxAndAddToSizer(
sizerLeft, "Process &Tab"
);
m_chkFilename = CreateCheckBoxAndAddToSizer(
sizerLeft, "&Filename control"
);
m_chkNoVertScrollbar = CreateCheckBoxAndAddToSizer(
sizerLeft, "No &vertical scrollbar",
TextPage_NoVertScrollbar
);
m_chkFilename->Disable(); // not implemented yet
sizerLeft->AddSpacer(5);
static const wxString wrap[] =
{
"no wrap",
"word wrap",
"char wrap",
"best wrap",
};
m_radioWrap = new wxRadioBox(this, TextPage_WrapLines, "&Wrap style:",
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(wrap), wrap,
1, wxRA_SPECIFY_COLS);
sizerLeft->Add(m_radioWrap, 0, wxGROW | wxALL, 5);
static const wxString halign[] =
{
"left",
"centre",
"right",
};
m_radioAlign = new wxRadioBox(this, wxID_ANY, "&Text alignment",
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(halign), halign, 1);
sizerLeft->Add(m_radioAlign, 0, wxGROW | wxALL, 5);
#ifdef __WXMSW__
static const wxString kinds[] =
{
"plain edit",
"rich edit",
"rich edit 2.0",
};
m_radioKind = new wxRadioBox(this, wxID_ANY, "Control &kind",
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(kinds), kinds,
1, wxRA_SPECIFY_COLS);
sizerLeft->AddSpacer(5);
sizerLeft->Add(m_radioKind, 0, wxGROW | wxALL, 5);
#endif // __WXMSW__
wxButton *btn = new wxButton(this, TextPage_Reset, "&Reset");
sizerLeft->Add(2, 2, 0, wxGROW | wxALL, 1); // spacer
sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
// middle pane
wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, "&Change contents:");
wxSizer *sizerMiddleUp = new wxStaticBoxSizer(box2, wxVERTICAL);
btn = new wxButton(this, TextPage_Set, "&Set text value");
sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
btn = new wxButton(this, TextPage_Add, "&Append text");
sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
btn = new wxButton(this, TextPage_Insert, "&Insert text");
sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
btn = new wxButton(this, TextPage_Load, "&Load file");
sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
btn = new wxButton(this, TextPage_Clear, "&Clear");
sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
btn = new wxButton(this, TextPage_StreamRedirector, "St&ream redirection");
sizerMiddleUp->Add(btn, 0, wxALL | wxGROW, 1);
wxStaticBox *box4 = new wxStaticBox(this, wxID_ANY, "&Info:");
wxSizer *sizerMiddleDown = new wxStaticBoxSizer(box4, wxVERTICAL);
m_textPosCur = CreateInfoText();
m_textRowCur = CreateInfoText();
m_textColCur = CreateInfoText();
wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
sizerRow->Add(CreateTextWithLabelSizer
(
"Current pos:",
m_textPosCur
),
0, wxRIGHT, 5);
sizerRow->Add(CreateTextWithLabelSizer
(
"Col:",
m_textColCur
),
0, wxLEFT | wxRIGHT, 5);
sizerRow->Add(CreateTextWithLabelSizer
(
"Row:",
m_textRowCur
),
0, wxLEFT, 5);
sizerMiddleDown->Add(sizerRow, 0, wxALL, 5);
m_textLineLast = CreateInfoText();
m_textPosLast = CreateInfoText();
sizerMiddleDown->Add
(
CreateTextWithLabelSizer
(
"Number of lines:",
m_textLineLast,
"Last position:",
m_textPosLast
),
0, wxALL, 5
);
m_textSelFrom = CreateInfoText();
m_textSelTo = CreateInfoText();
sizerMiddleDown->Add
(
CreateTextWithLabelSizer
(
"Selection: from",
m_textSelFrom,
"to",
m_textSelTo
),
0, wxALL, 5
);
m_textRange = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
wxDefaultPosition, wxDefaultSize,
wxTE_READONLY);
sizerMiddleDown->Add
(
CreateTextWithLabelSizer
(
"Range 10..20:",
m_textRange
),
0, wxALL, 5
);
sizerMiddleDown->Add
(
new wxStaticText
(
this,
wxID_ANY,
"Alt-click in the text to see HitTest() result"
),
wxSizerFlags().Border()
);
wxSizer *sizerMiddle = new wxBoxSizer(wxVERTICAL);
sizerMiddle->Add(sizerMiddleUp, 0, wxGROW);
sizerMiddle->Add(sizerMiddleDown, 1, wxGROW | wxTOP, 5);
// right pane
wxStaticBox *box3 = new wxStaticBox(this, wxID_ANY, "&Text:");
m_sizerText = new wxStaticBoxSizer(box3, wxHORIZONTAL);
Reset();
CreateText();
m_sizerText->SetMinSize(150, 0);
// the 3 panes panes compose the upper part of the window
wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10);
sizerTop->Add(m_sizerText, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
SetSizer(sizerTop);
}
// ----------------------------------------------------------------------------
// creation helpers
// ----------------------------------------------------------------------------
wxTextCtrl *TextWidgetsPage::CreateInfoText()
{
static int s_maxWidth = 0;
if ( !s_maxWidth )
{
// calc it once only
GetTextExtent("9999999", &s_maxWidth, NULL);
}
wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
wxDefaultPosition,
wxSize(s_maxWidth, wxDefaultCoord),
wxTE_READONLY);
return text;
}
wxSizer *TextWidgetsPage::CreateTextWithLabelSizer(const wxString& label,
wxTextCtrl *text,
const wxString& label2,
wxTextCtrl *text2)
{
wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
sizerRow->Add(new wxStaticText(this, wxID_ANY, label), 0,
wxALIGN_CENTRE_VERTICAL | wxRIGHT, 5);
sizerRow->Add(text, 0, wxALIGN_CENTRE_VERTICAL);
if ( text2 )
{
sizerRow->Add(new wxStaticText(this, wxID_ANY, label2), 0,
wxALIGN_CENTRE_VERTICAL | wxLEFT | wxRIGHT, 5);
sizerRow->Add(text2, 0, wxALIGN_CENTRE_VERTICAL);
}
return sizerRow;
}
// ----------------------------------------------------------------------------
// operations
// ----------------------------------------------------------------------------
void TextWidgetsPage::Reset()
{
m_radioTextLines->SetSelection(DEFAULTS.textLines);
m_chkPassword->SetValue(DEFAULTS.password);
m_chkReadonly->SetValue(DEFAULTS.readonly);
m_chkProcessEnter->SetValue(DEFAULTS.processEnter);
m_chkProcessTab->SetValue(DEFAULTS.processTab);
m_chkFilename->SetValue(DEFAULTS.filename);
m_chkNoVertScrollbar->SetValue(DEFAULTS.noVertScrollbar);
m_radioWrap->SetSelection(DEFAULTS.wrapStyle);
m_radioAlign->SetSelection(DEFAULTS.alignmentStyle);
#ifdef __WXMSW__
m_radioKind->SetSelection(DEFAULTS.textKind);
#endif // __WXMSW__
}
void TextWidgetsPage::CreateText()
{
int flags = GetAttrs().m_defaultFlags;
switch ( m_radioTextLines->GetSelection() )
{
default:
wxFAIL_MSG( "unexpected lines radio box selection" );
wxFALLTHROUGH;
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_chkProcessEnter->GetValue() )
flags |= wxTE_PROCESS_ENTER;
if ( m_chkProcessTab->GetValue() )
flags |= wxTE_PROCESS_TAB;
if ( m_chkNoVertScrollbar->GetValue() )
flags |= wxTE_NO_VSCROLL;
switch ( m_radioWrap->GetSelection() )
{
default:
wxFAIL_MSG( "unexpected wrap style radio box selection" );
wxFALLTHROUGH;
case WrapStyle_None:
flags |= wxTE_DONTWRAP; // same as wxHSCROLL
break;
case WrapStyle_Word:
flags |= wxTE_WORDWRAP;
break;
case WrapStyle_Char:
flags |= wxTE_CHARWRAP;
break;
case WrapStyle_Best:
// this is default but use symbolic file name for consistency
flags |= wxTE_BESTWRAP;
break;
}
switch ( m_radioAlign->GetSelection() )
{
case Align_Left:
flags |= wxTE_LEFT;
break;
case Align_Center:
flags |= wxTE_CENTER;
break;
case Align_Right:
flags |= wxTE_RIGHT;
break;
default:
wxFAIL_MSG( "unexpected alignment style radio box selection" );
}
#ifdef __WXMSW__
switch ( m_radioKind->GetSelection() )
{
default:
wxFAIL_MSG( "unexpected kind radio box selection" );
wxFALLTHROUGH;
case TextKind_Plain:
break;
case TextKind_Rich:
flags |= wxTE_RICH;
break;
case TextKind_Rich2:
flags |= wxTE_RICH2;
break;
}
#endif // __WXMSW__
wxString valueOld;
if ( m_text )
{
valueOld = m_text->GetValue();
m_sizerText->Detach( m_text );
delete m_text;
}
else
{
valueOld = "Hello, Universe!";
}
m_text = new WidgetsTextCtrl(this, TextPage_Textctrl, valueOld, flags);
#if 0
if ( m_chkFilename->GetValue() )
;
#endif // TODO
// cast to int needed to silence gcc warning about different enums
m_sizerText->Add(m_text, 1, wxALL |
(flags & wxTE_MULTILINE ? (int)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("%d", 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;
}
}
if ( m_textRange )
{
wxString range = m_text->GetRange(10, 20);
if ( range != m_range10_20 )
{
m_range10_20 = range;
m_textRange->SetValue(range);
}
}
}
void TextWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
{
Reset();
CreateText();
}
void TextWidgetsPage::OnButtonSet(wxCommandEvent& WXUNUSED(event))
{
m_text->SetValue(m_text->GetWindowStyle() & wxTE_MULTILINE
? "Here,\nthere and\neverywhere"
: "Yellow submarine");
m_text->SetFocus();
}
void TextWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
{
if ( m_text->GetWindowStyle() & wxTE_MULTILINE )
{
m_text->AppendText("We all live in a\n");
}
m_text->AppendText("Yellow submarine");
}
void TextWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
{
m_text->WriteText("Is there anybody going to listen to my story");
if ( m_text->GetWindowStyle() & wxTE_MULTILINE )
{
m_text->WriteText("\nall about the girl who came to stay");
}
}
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(".");
pathlist.Add("..");
pathlist.Add("../widgets");
pathlist.Add("../../../samples/widgets");
wxString filename = pathlist.FindValidPath("textctrl.cpp");
if ( !filename )
{
wxLogError("File textctrl.cpp not found.");
}
else // load it
{
wxStopWatch sw;
if ( !m_text->LoadFile(filename) )
{
// this is not supposed to happen ...
wxLogError("Error loading file.");
}
else
{
long elapsed = sw.Time();
wxLogMessage("Loaded file '%s' in %lu.%us",
filename, elapsed / 1000,
(unsigned int) elapsed % 1000);
}
}
}
void TextWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
{
event.Enable(!m_text->GetValue().empty());
}
void TextWidgetsPage::OnUpdateUIWrapLinesRadiobox(wxUpdateUIEvent& event)
{
event.Enable( !IsSingleLine() );
}
void TextWidgetsPage::OnUpdateUIPasswordCheckbox(wxUpdateUIEvent& event)
{
// can't put multiline control in password mode
event.Enable( IsSingleLine() );
}
void TextWidgetsPage::OnUpdateUINoVertScrollbarCheckbox(wxUpdateUIEvent& event)
{
// Vertical scrollbar creation can be blocked only in multiline control
event.Enable( !IsSingleLine());
}
void TextWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
{
event.Enable( (m_radioTextLines->GetSelection() != DEFAULTS.textLines) ||
#ifdef __WXMSW__
(m_radioKind->GetSelection() != DEFAULTS.textKind) ||
#endif // __WXMSW__
(m_chkPassword->GetValue() != DEFAULTS.password) ||
(m_chkReadonly->GetValue() != DEFAULTS.readonly) ||
(m_chkProcessEnter->GetValue() != DEFAULTS.processEnter) ||
(m_chkProcessTab->GetValue() != DEFAULTS.processTab) ||
(m_chkFilename->GetValue() != DEFAULTS.filename) ||
(m_chkNoVertScrollbar->GetValue() != DEFAULTS.noVertScrollbar) ||
(m_radioWrap->GetSelection() != DEFAULTS.wrapStyle) );
}
void TextWidgetsPage::OnText(wxCommandEvent& event)
{
if ( !IsUsingLogWindow() )
return;
// Replace middle of long text with ellipsis just to avoid filling up the
// log control with too much unnecessary stuff.
wxLogMessage("Text control value changed (now '%s')",
wxControl::Ellipsize
(
event.GetString(),
wxClientDC(this),
wxELLIPSIZE_MIDDLE,
GetTextExtent('W').x*100
));
}
void TextWidgetsPage::OnTextEnter(wxCommandEvent& event)
{
wxLogMessage("Text entered: '%s'", event.GetString());
event.Skip();
}
void TextWidgetsPage::OnTextPasted(wxClipboardTextEvent& event)
{
wxLogMessage("Text pasted from clipboard.");
event.Skip();
}
void TextWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
{
#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXOSX__)
// We should be able to change text alignment
// dynamically, without recreating the control.
if( event.GetEventObject() == m_radioAlign )
{
long flags = m_text->GetWindowStyle();
flags &= ~(wxTE_LEFT|wxTE_CENTER|wxTE_RIGHT);
switch ( event.GetSelection() )
{
case Align_Left:
flags |= wxTE_LEFT;
break;
case Align_Center:
flags |= wxTE_CENTER;
break;
case Align_Right:
flags |= wxTE_RIGHT;
break;
default:
wxFAIL_MSG( "unexpected alignment style radio box selection" );
return;
}
m_text->SetWindowStyle(flags);
m_text->Refresh();
flags = m_text->GetWindowStyle();
wxLogMessage(wxString::Format("Text alignment: %s",
(flags & wxTE_RIGHT) ? "Right" :
(flags & wxTE_CENTER) ? "Center" : "Left"));
}
else
#else
wxUnusedVar(event);
#endif // WXMSW || WXGTK || WXOSX
{
CreateText();
}
}
void TextWidgetsPage::OnStreamRedirector(wxCommandEvent& WXUNUSED(event))
{
#if wxHAS_TEXT_WINDOW_STREAM
wxStreamToTextRedirector redirect(m_text);
wxString str( "Outputed to cout, appears in wxTextCtrl!" );
wxSTD cout << str << wxSTD endl;
#else
wxMessageBox("This wxWidgets build does not support wxStreamToTextRedirector");
#endif
}
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