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wxWidgets/samples/text/text.cpp
Julian Smart 5a22377ee5 Spacing is better on GTK+ and (hopefully) Mac 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32388 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-02-26 14:40:39 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: text.cpp
// Purpose: TextCtrl wxWidgets sample
// Author: Robert Roebling
// Modified by:
// RCS-ID: $Id$
// Copyright: (c) Robert Roebling, Julian Smart, Vadim Zeitlin
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if wxUSE_CLIPBOARD
#include "wx/dataobj.h"
#include "wx/clipbrd.h"
#endif
#if wxUSE_FILE
#include "wx/file.h"
#endif
#if wxUSE_TOOLTIPS
#include "wx/tooltip.h"
#endif
// We test for wxUSE_DRAG_AND_DROP also, because data objects may not be
// implemented for compilers that can't cope with the OLE parts in
// wxUSE_DRAG_AND_DROP.
#if !wxUSE_DRAG_AND_DROP
#undef wxUSE_CLIPBOARD
#define wxUSE_CLIPBOARD 0
#endif
#include "wx/colordlg.h"
#include "wx/fontdlg.h"
#include "wx/numdlg.h"
//----------------------------------------------------------------------
// class definitions
//----------------------------------------------------------------------
class MyApp: public wxApp
{
public:
bool OnInit();
};
// a text ctrl which allows to call different wxTextCtrl functions
// interactively by pressing function keys in it
class MyTextCtrl : public wxTextCtrl
{
public:
MyTextCtrl(wxWindow *parent, wxWindowID id, const wxString &value,
const wxPoint &pos, const wxSize &size, int style = 0)
: wxTextCtrl(parent, id, value, pos, size, style)
{
m_hasCapture = false;
}
void OnKeyDown(wxKeyEvent& event);
void OnKeyUp(wxKeyEvent& event);
void OnChar(wxKeyEvent& event);
void OnText(wxCommandEvent& event);
void OnTextURL(wxTextUrlEvent& event);
void OnTextMaxLen(wxCommandEvent& event);
void OnMouseEvent(wxMouseEvent& event);
void OnSetFocus(wxFocusEvent& event);
void OnKillFocus(wxFocusEvent& event);
static bool ms_logKey;
static bool ms_logChar;
static bool ms_logMouse;
static bool ms_logText;
static bool ms_logFocus;
private:
static inline wxChar GetChar(bool on, wxChar c) { return on ? c : _T('-'); }
void LogKeyEvent(const wxChar *name, wxKeyEvent& event) const;
bool m_hasCapture;
DECLARE_EVENT_TABLE()
};
class MyPanel: public wxPanel
{
public:
MyPanel(wxFrame *frame, int x, int y, int w, int h);
virtual ~MyPanel()
{
#if wxUSE_LOG
delete wxLog::SetActiveTarget(m_logOld);
#endif // wxUSE_LOG
}
#if wxUSE_CLIPBOARD
void DoPasteFromClipboard();
void DoCopyToClipboard();
#endif // wxUSE_CLIPBOARD
void DoRemoveText();
void DoReplaceText();
void DoSelectText();
void DoMoveToEndOfText();
void DoMoveToEndOfEntry();
MyTextCtrl *m_text;
MyTextCtrl *m_password;
MyTextCtrl *m_enter;
MyTextCtrl *m_tab;
MyTextCtrl *m_readonly;
MyTextCtrl *m_limited;
MyTextCtrl *m_multitext;
MyTextCtrl *m_horizontal;
MyTextCtrl *m_textrich;
#if wxUSE_LOG
wxTextCtrl *m_log;
wxLog *m_logOld;
#endif // wxUSE_LOG
private:
// get the currently focused text control or return the default one is no
// text ctrl has focus
wxTextCtrl *GetFocusedText(wxTextCtrl *textDef);
};
class MyFrame: public wxFrame
{
public:
MyFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h);
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
#if wxUSE_TOOLTIPS
void OnSetTooltipDelay(wxCommandEvent& event);
void OnToggleTooltips(wxCommandEvent& event);
#endif // wxUSE_TOOLTIPS
#if wxUSE_CLIPBOARD
void OnPasteFromClipboard( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoPasteFromClipboard(); }
void OnCopyToClipboard( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoCopyToClipboard(); }
#endif // wxUSE_CLIPBOARD
void OnAddTextFreeze( wxCommandEvent& WXUNUSED(event) )
{ DoAddText(true); }
void OnAddText( wxCommandEvent& WXUNUSED(event) )
{ DoAddText(false); }
void OnRemoveText( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoRemoveText(); }
void OnReplaceText( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoReplaceText(); }
void OnSelectText( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoSelectText(); }
void OnMoveToEndOfText( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoMoveToEndOfText(); }
void OnMoveToEndOfEntry( wxCommandEvent& WXUNUSED(event) )
{ m_panel->DoMoveToEndOfEntry(); }
void OnScrollLineDown(wxCommandEvent& WXUNUSED(event))
{
if ( !m_panel->m_textrich->LineDown() )
wxLogMessage(_T("Already at the bottom"));
}
void OnScrollLineUp(wxCommandEvent& WXUNUSED(event))
{
if ( !m_panel->m_textrich->LineUp() )
wxLogMessage(_T("Already at the top"));
}
void OnScrollPageDown(wxCommandEvent& WXUNUSED(event))
{
if ( !m_panel->m_textrich->PageDown() )
wxLogMessage(_T("Already at the bottom"));
}
void OnScrollPageUp(wxCommandEvent& WXUNUSED(event))
{
if ( !m_panel->m_textrich->PageUp() )
wxLogMessage(_T("Already at the top"));
}
void OnGetLine(wxCommandEvent& WXUNUSED(event))
{
long nLine = wxGetNumberFromUser(wxT("Which line would you like to get?"),
wxT("Enter which line you would like to get"),
wxT("Get a line from the tabbed multiline text control") );
wxMessageBox(m_panel->m_tab->GetLineText(nLine));
}
void OnGetLineLength(wxCommandEvent& WXUNUSED(event))
{
long nLine = wxGetNumberFromUser(wxT("Which line would you like to get?"),
wxT("Enter which line you would like to get"),
wxT("Get length of a line from the tabbed multiline text control") );
wxMessageBox(wxString::Format(wxT("Length of line %i is:%i"),
(int) nLine,
m_panel->m_tab->GetLineLength(nLine))
);
}
#if wxUSE_LOG
void OnLogClear(wxCommandEvent& event);
#endif // wxUSE_LOG
void OnFileSave(wxCommandEvent& event);
void OnFileLoad(wxCommandEvent& event);
void OnRichTextTest(wxCommandEvent& event);
void OnSetEditable(wxCommandEvent& event);
void OnSetEnabled(wxCommandEvent& event);
void OnLogKey(wxCommandEvent& event)
{
MyTextCtrl::ms_logKey = event.IsChecked();
}
void OnLogChar(wxCommandEvent& event)
{
MyTextCtrl::ms_logChar = event.IsChecked();
}
void OnLogMouse(wxCommandEvent& event)
{
MyTextCtrl::ms_logMouse = event.IsChecked();
}
void OnLogText(wxCommandEvent& event)
{
MyTextCtrl::ms_logText = event.IsChecked();
}
void OnLogFocus(wxCommandEvent& event)
{
MyTextCtrl::ms_logFocus = event.IsChecked();
}
void OnSetText(wxCommandEvent& WXUNUSED(event))
{
m_panel->m_text->SetValue(_T("Hello, world (what else did you expect)?"));
}
void OnIdle( wxIdleEvent& event );
private:
void DoAddText(bool freeze)
{
wxTextCtrl * const text = m_panel->m_textrich;
text->Clear();
if ( freeze )
text->Freeze();
for ( int i = 0; i < 100; i++ )
{
text->AppendText(wxString::Format(wxT("Line %i\n"), i));
}
if ( freeze )
text->Thaw();
text->SetInsertionPoint(0);
}
MyPanel *m_panel;
DECLARE_EVENT_TABLE()
};
/*
* RichTextFrame is used to demonstrate rich text behaviour
*/
class RichTextFrame: public wxFrame
{
public:
RichTextFrame(wxWindow* parent, const wxString& title);
// Event handlers
void OnClose(wxCommandEvent& event);
void OnIdle(wxIdleEvent& event);
void OnLeftAlign(wxCommandEvent& event);
void OnRightAlign(wxCommandEvent& event);
void OnJustify(wxCommandEvent& event);
void OnCentre(wxCommandEvent& event);
void OnChangeFont(wxCommandEvent& event);
void OnChangeTextColour(wxCommandEvent& event);
void OnChangeBackgroundColour(wxCommandEvent& event);
void OnLeftIndent(wxCommandEvent& event);
void OnRightIndent(wxCommandEvent& event);
private:
wxTextCtrl *m_textCtrl;
long m_currentPosition;
DECLARE_EVENT_TABLE()
};
//----------------------------------------------------------------------
// main()
//----------------------------------------------------------------------
IMPLEMENT_APP(MyApp)
//----------------------------------------------------------------------
// MyApp
//----------------------------------------------------------------------
enum
{
TEXT_QUIT = 100,
TEXT_ABOUT,
TEXT_LOAD,
TEXT_SAVE,
TEXT_CLEAR,
TEXT_RICH_TEXT_TEST,
// clipboard menu
TEXT_CLIPBOARD_COPY = 200,
TEXT_CLIPBOARD_PASTE,
// tooltip menu
TEXT_TOOLTIPS_SETDELAY = 300,
TEXT_TOOLTIPS_ENABLE,
// text menu
TEXT_ADD_SOME = 400,
TEXT_ADD_FREEZE,
TEXT_MOVE_ENDTEXT,
TEXT_MOVE_ENDENTRY,
TEXT_SET_EDITABLE,
TEXT_SET_ENABLED,
TEXT_LINE_DOWN,
TEXT_LINE_UP,
TEXT_PAGE_DOWN,
TEXT_PAGE_UP,
TEXT_GET_LINE,
TEXT_GET_LINELENGTH,
TEXT_REMOVE,
TEXT_REPLACE,
TEXT_SELECT,
TEXT_SET,
// log menu
TEXT_LOG_KEY,
TEXT_LOG_CHAR,
TEXT_LOG_MOUSE,
TEXT_LOG_TEXT,
TEXT_LOG_FOCUS,
TEXT_END
};
bool MyApp::OnInit()
{
// Create the main frame window
MyFrame *frame = new MyFrame((wxFrame *) NULL,
_T("Text wxWidgets sample"), 50, 50, 700, 550);
frame->SetSizeHints( 500, 400 );
wxMenu *file_menu = new wxMenu;
file_menu->Append(TEXT_SAVE, _T("&Save file\tCtrl-S"),
_T("Save the text control contents to file"));
file_menu->Append(TEXT_LOAD, _T("&Load file\tCtrl-O"),
_T("Load the sample file into text control"));
file_menu->AppendSeparator();
file_menu->Append(TEXT_RICH_TEXT_TEST, _T("Show Rich Text Editor"));
file_menu->AppendSeparator();
file_menu->Append(TEXT_ABOUT, _T("&About\tAlt-A"));
file_menu->AppendSeparator();
file_menu->Append(TEXT_QUIT, _T("E&xit\tAlt-X"), _T("Quit this sample"));
wxMenuBar *menu_bar = new wxMenuBar( wxMB_DOCKABLE );
menu_bar->Append(file_menu, _T("&File"));
#if wxUSE_TOOLTIPS
wxMenu *tooltip_menu = new wxMenu;
tooltip_menu->Append(TEXT_TOOLTIPS_SETDELAY, _T("Set &delay\tCtrl-D"));
tooltip_menu->AppendSeparator();
tooltip_menu->Append(TEXT_TOOLTIPS_ENABLE, _T("&Toggle tooltips\tCtrl-T"),
_T("enable/disable tooltips"), true);
tooltip_menu->Check(TEXT_TOOLTIPS_ENABLE, true);
menu_bar->Append(tooltip_menu, _T("&Tooltips"));
#endif // wxUSE_TOOLTIPS
#if wxUSE_CLIPBOARD
wxMenu *menuClipboard = new wxMenu;
menuClipboard->Append(TEXT_CLIPBOARD_COPY, _T("&Copy\tCtrl-C"),
_T("Copy the first line to the clipboard"));
menuClipboard->Append(TEXT_CLIPBOARD_PASTE, _T("&Paste\tCtrl-V"),
_T("Paste from clipboard to the text control"));
menu_bar->Append(menuClipboard, _T("&Clipboard"));
#endif // wxUSE_CLIPBOARD
wxMenu *menuText = new wxMenu;
menuText->Append(TEXT_ADD_SOME, _T("&Append some text\tCtrl-A"));
menuText->Append(TEXT_ADD_FREEZE, _T("&Append text with freeze/thaw\tShift-Ctrl-A"));
menuText->Append(TEXT_REMOVE, _T("&Remove first 10 characters\tCtrl-Y"));
menuText->Append(TEXT_REPLACE, _T("&Replace characters 4 to 8 with ABC\tCtrl-R"));
menuText->Append(TEXT_SELECT, _T("&Select characters 4 to 8\tCtrl-I"));
menuText->Append(TEXT_SET, _T("&Set the first text zone value\tCtrl-E"));
menuText->AppendSeparator();
menuText->Append(TEXT_MOVE_ENDTEXT, _T("Move cursor to the end of &text"));
menuText->Append(TEXT_MOVE_ENDENTRY, _T("Move cursor to the end of &entry"));
menuText->AppendCheckItem(TEXT_SET_EDITABLE, _T("Toggle &editable state"));
menuText->AppendCheckItem(TEXT_SET_ENABLED, _T("Toggle e&nabled state"));
menuText->Check(TEXT_SET_EDITABLE, true);
menuText->Check(TEXT_SET_ENABLED, true);
menuText->AppendSeparator();
menuText->Append(TEXT_LINE_DOWN, _T("Scroll text one line down"));
menuText->Append(TEXT_LINE_UP, _T("Scroll text one line up"));
menuText->Append(TEXT_PAGE_DOWN, _T("Scroll text one page down"));
menuText->Append(TEXT_PAGE_UP, _T("Scroll text one page up"));
menuText->AppendSeparator();
menuText->Append(TEXT_GET_LINE, _T("Get the text of a line of the tabbed multiline"));
menuText->Append(TEXT_GET_LINELENGTH, _T("Get the length of a line of the tabbed multiline"));
menu_bar->Append(menuText, _T("Te&xt"));
#if wxUSE_LOG
wxMenu *menuLog = new wxMenu;
menuLog->AppendCheckItem(TEXT_LOG_KEY, _T("Log &key events"));
menuLog->AppendCheckItem(TEXT_LOG_CHAR, _T("Log &char events"));
menuLog->AppendCheckItem(TEXT_LOG_MOUSE, _T("Log &mouse events"));
menuLog->AppendCheckItem(TEXT_LOG_TEXT, _T("Log &text events"));
menuLog->AppendCheckItem(TEXT_LOG_FOCUS, _T("Log &focus events"));
menuLog->AppendSeparator();
menuLog->Append(TEXT_CLEAR, _T("&Clear the log\tCtrl-L"),
_T("Clear the log window contents"));
// select only the interesting events by default
MyTextCtrl::ms_logKey =
MyTextCtrl::ms_logChar = false;
MyTextCtrl::ms_logText = true;
menuLog->Check(TEXT_LOG_KEY, MyTextCtrl::ms_logKey);
menuLog->Check(TEXT_LOG_CHAR, MyTextCtrl::ms_logChar);
menuLog->Check(TEXT_LOG_TEXT, MyTextCtrl::ms_logText);
menu_bar->Append(menuLog, _T("&Log"));
#endif // wxUSE_LOG
frame->SetMenuBar(menu_bar);
frame->Show(true);
SetTopWindow(frame);
// report success
return true;
}
//----------------------------------------------------------------------
// MyTextCtrl
//----------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyTextCtrl, wxTextCtrl)
EVT_KEY_DOWN(MyTextCtrl::OnKeyDown)
EVT_KEY_UP(MyTextCtrl::OnKeyUp)
EVT_CHAR(MyTextCtrl::OnChar)
EVT_TEXT(wxID_ANY, MyTextCtrl::OnText)
EVT_TEXT_URL(wxID_ANY, MyTextCtrl::OnTextURL)
EVT_TEXT_MAXLEN(wxID_ANY, MyTextCtrl::OnTextMaxLen)
EVT_MOUSE_EVENTS(MyTextCtrl::OnMouseEvent)
EVT_SET_FOCUS(MyTextCtrl::OnSetFocus)
EVT_KILL_FOCUS(MyTextCtrl::OnKillFocus)
END_EVENT_TABLE()
bool MyTextCtrl::ms_logKey = false;
bool MyTextCtrl::ms_logChar = false;
bool MyTextCtrl::ms_logMouse = false;
bool MyTextCtrl::ms_logText = false;
bool MyTextCtrl::ms_logFocus = false;
void MyTextCtrl::LogKeyEvent(const wxChar *name, wxKeyEvent& event) const
{
wxString key;
long keycode = event.GetKeyCode();
{
switch ( keycode )
{
case WXK_BACK: key = _T("BACK"); break;
case WXK_TAB: key = _T("TAB"); break;
case WXK_RETURN: key = _T("RETURN"); break;
case WXK_ESCAPE: key = _T("ESCAPE"); break;
case WXK_SPACE: key = _T("SPACE"); break;
case WXK_DELETE: key = _T("DELETE"); break;
case WXK_START: key = _T("START"); break;
case WXK_LBUTTON: key = _T("LBUTTON"); break;
case WXK_RBUTTON: key = _T("RBUTTON"); break;
case WXK_CANCEL: key = _T("CANCEL"); break;
case WXK_MBUTTON: key = _T("MBUTTON"); break;
case WXK_CLEAR: key = _T("CLEAR"); break;
case WXK_SHIFT: key = _T("SHIFT"); break;
case WXK_ALT: key = _T("ALT"); break;
case WXK_CONTROL: key = _T("CONTROL"); break;
case WXK_MENU: key = _T("MENU"); break;
case WXK_PAUSE: key = _T("PAUSE"); break;
case WXK_CAPITAL: key = _T("CAPITAL"); break;
case WXK_PRIOR: key = _T("PRIOR"); break;
case WXK_NEXT: key = _T("NEXT"); break;
case WXK_END: key = _T("END"); break;
case WXK_HOME: key = _T("HOME"); break;
case WXK_LEFT: key = _T("LEFT"); break;
case WXK_UP: key = _T("UP"); break;
case WXK_RIGHT: key = _T("RIGHT"); break;
case WXK_DOWN: key = _T("DOWN"); break;
case WXK_SELECT: key = _T("SELECT"); break;
case WXK_PRINT: key = _T("PRINT"); break;
case WXK_EXECUTE: key = _T("EXECUTE"); break;
case WXK_SNAPSHOT: key = _T("SNAPSHOT"); break;
case WXK_INSERT: key = _T("INSERT"); break;
case WXK_HELP: key = _T("HELP"); break;
case WXK_NUMPAD0: key = _T("NUMPAD0"); break;
case WXK_NUMPAD1: key = _T("NUMPAD1"); break;
case WXK_NUMPAD2: key = _T("NUMPAD2"); break;
case WXK_NUMPAD3: key = _T("NUMPAD3"); break;
case WXK_NUMPAD4: key = _T("NUMPAD4"); break;
case WXK_NUMPAD5: key = _T("NUMPAD5"); break;
case WXK_NUMPAD6: key = _T("NUMPAD6"); break;
case WXK_NUMPAD7: key = _T("NUMPAD7"); break;
case WXK_NUMPAD8: key = _T("NUMPAD8"); break;
case WXK_NUMPAD9: key = _T("NUMPAD9"); break;
case WXK_MULTIPLY: key = _T("MULTIPLY"); break;
case WXK_ADD: key = _T("ADD"); break;
case WXK_SEPARATOR: key = _T("SEPARATOR"); break;
case WXK_SUBTRACT: key = _T("SUBTRACT"); break;
case WXK_DECIMAL: key = _T("DECIMAL"); break;
case WXK_DIVIDE: key = _T("DIVIDE"); break;
case WXK_F1: key = _T("F1"); break;
case WXK_F2: key = _T("F2"); break;
case WXK_F3: key = _T("F3"); break;
case WXK_F4: key = _T("F4"); break;
case WXK_F5: key = _T("F5"); break;
case WXK_F6: key = _T("F6"); break;
case WXK_F7: key = _T("F7"); break;
case WXK_F8: key = _T("F8"); break;
case WXK_F9: key = _T("F9"); break;
case WXK_F10: key = _T("F10"); break;
case WXK_F11: key = _T("F11"); break;
case WXK_F12: key = _T("F12"); break;
case WXK_F13: key = _T("F13"); break;
case WXK_F14: key = _T("F14"); break;
case WXK_F15: key = _T("F15"); break;
case WXK_F16: key = _T("F16"); break;
case WXK_F17: key = _T("F17"); break;
case WXK_F18: key = _T("F18"); break;
case WXK_F19: key = _T("F19"); break;
case WXK_F20: key = _T("F20"); break;
case WXK_F21: key = _T("F21"); break;
case WXK_F22: key = _T("F22"); break;
case WXK_F23: key = _T("F23"); break;
case WXK_F24: key = _T("F24"); break;
case WXK_NUMLOCK: key = _T("NUMLOCK"); break;
case WXK_SCROLL: key = _T("SCROLL"); break;
case WXK_PAGEUP: key = _T("PAGEUP"); break;
case WXK_PAGEDOWN: key = _T("PAGEDOWN"); break;
case WXK_NUMPAD_SPACE: key = _T("NUMPAD_SPACE"); break;
case WXK_NUMPAD_TAB: key = _T("NUMPAD_TAB"); break;
case WXK_NUMPAD_ENTER: key = _T("NUMPAD_ENTER"); break;
case WXK_NUMPAD_F1: key = _T("NUMPAD_F1"); break;
case WXK_NUMPAD_F2: key = _T("NUMPAD_F2"); break;
case WXK_NUMPAD_F3: key = _T("NUMPAD_F3"); break;
case WXK_NUMPAD_F4: key = _T("NUMPAD_F4"); break;
case WXK_NUMPAD_HOME: key = _T("NUMPAD_HOME"); break;
case WXK_NUMPAD_LEFT: key = _T("NUMPAD_LEFT"); break;
case WXK_NUMPAD_UP: key = _T("NUMPAD_UP"); break;
case WXK_NUMPAD_RIGHT: key = _T("NUMPAD_RIGHT"); break;
case WXK_NUMPAD_DOWN: key = _T("NUMPAD_DOWN"); break;
case WXK_NUMPAD_PRIOR: key = _T("NUMPAD_PRIOR"); break;
case WXK_NUMPAD_PAGEUP: key = _T("NUMPAD_PAGEUP"); break;
case WXK_NUMPAD_PAGEDOWN: key = _T("NUMPAD_PAGEDOWN"); break;
case WXK_NUMPAD_END: key = _T("NUMPAD_END"); break;
case WXK_NUMPAD_BEGIN: key = _T("NUMPAD_BEGIN"); break;
case WXK_NUMPAD_INSERT: key = _T("NUMPAD_INSERT"); break;
case WXK_NUMPAD_DELETE: key = _T("NUMPAD_DELETE"); break;
case WXK_NUMPAD_EQUAL: key = _T("NUMPAD_EQUAL"); break;
case WXK_NUMPAD_MULTIPLY: key = _T("NUMPAD_MULTIPLY"); break;
case WXK_NUMPAD_ADD: key = _T("NUMPAD_ADD"); break;
case WXK_NUMPAD_SEPARATOR: key = _T("NUMPAD_SEPARATOR"); break;
case WXK_NUMPAD_SUBTRACT: key = _T("NUMPAD_SUBTRACT"); break;
case WXK_NUMPAD_DECIMAL: key = _T("NUMPAD_DECIMAL"); break;
default:
{
if ( wxIsprint((int)keycode) )
key.Printf(_T("'%c'"), (char)keycode);
else if ( keycode > 0 && keycode < 27 )
key.Printf(_("Ctrl-%c"), _T('A') + keycode - 1);
else
key.Printf(_T("unknown (%ld)"), keycode);
}
}
}
#if wxUSE_UNICODE
key += wxString::Format(_T(" (Unicode: %#04x)"), event.GetUnicodeKey());
#endif // wxUSE_UNICODE
wxLogMessage( _T("%s event: %s (flags = %c%c%c%c)"),
name,
key.c_str(),
GetChar( event.ControlDown(), _T('C') ),
GetChar( event.AltDown(), _T('A') ),
GetChar( event.ShiftDown(), _T('S') ),
GetChar( event.MetaDown(), _T('M') ) );
}
static wxString GetMouseEventDesc(const wxMouseEvent& ev)
{
// click event
wxString button;
bool dbl, up;
if ( ev.LeftDown() || ev.LeftUp() || ev.LeftDClick() )
{
button = _T("Left");
dbl = ev.LeftDClick();
up = ev.LeftUp();
}
else if ( ev.MiddleDown() || ev.MiddleUp() || ev.MiddleDClick() )
{
button = _T("Middle");
dbl = ev.MiddleDClick();
up = ev.MiddleUp();
}
else if ( ev.RightDown() || ev.RightUp() || ev.RightDClick() )
{
button = _T("Right");
dbl = ev.RightDClick();
up = ev.RightUp();
}
else
{
return _T("Unknown mouse event");
}
return wxString::Format(_T("%s mouse button %s"),
button.c_str(),
dbl ? _T("double clicked")
: up ? _T("released") : _T("clicked"));
}
void MyTextCtrl::OnMouseEvent(wxMouseEvent& ev)
{
ev.Skip();
if ( !ms_logMouse )
return;
if ( !ev.Moving() )
{
wxString msg;
if ( ev.Entering() )
{
msg = _T("Mouse entered the window");
}
else if ( ev.Leaving() )
{
msg = _T("Mouse left the window");
}
else
{
msg = GetMouseEventDesc(ev);
}
msg << _T(" at (") << ev.GetX() << _T(", ") << ev.GetY() << _T(") ");
long pos;
wxTextCtrlHitTestResult rc = HitTest(ev.GetPosition(), &pos);
if ( rc != wxTE_HT_UNKNOWN )
{
msg << _T("at position ") << pos << _T(' ');
}
msg << _T("[Flags: ")
<< GetChar( ev.LeftIsDown(), _T('1') )
<< GetChar( ev.MiddleIsDown(), _T('2') )
<< GetChar( ev.RightIsDown(), _T('3') )
<< GetChar( ev.ControlDown(), _T('C') )
<< GetChar( ev.AltDown(), _T('A') )
<< GetChar( ev.ShiftDown(), _T('S') )
<< GetChar( ev.MetaDown(), _T('M') )
<< _T(']');
wxLogMessage(msg);
}
//else: we're not interested in mouse move events
}
void MyTextCtrl::OnSetFocus(wxFocusEvent& event)
{
if ( ms_logFocus )
wxLogMessage( wxT("%p got focus."), this);
event.Skip();
}
void MyTextCtrl::OnKillFocus(wxFocusEvent& event)
{
if ( ms_logFocus )
wxLogMessage( wxT("%p lost focus"), this);
event.Skip();
}
void MyTextCtrl::OnText(wxCommandEvent& event)
{
if ( !ms_logText )
return;
MyTextCtrl *win = (MyTextCtrl *)event.GetEventObject();
const wxChar *data = (const wxChar *)(win->GetClientData());
if ( data )
{
wxLogMessage(_T("Text changed in control '%s'"), data);
}
else
{
// wxLogMessage( event.GetString() );
wxLogMessage(_T("Text changed in some control"));
}
}
void MyTextCtrl::OnTextMaxLen(wxCommandEvent& WXUNUSED(event))
{
wxLogMessage(_T("You can't enter more characters into this control."));
}
void MyTextCtrl::OnTextURL(wxTextUrlEvent& event)
{
const wxMouseEvent& ev = event.GetMouseEvent();
// filter out mouse moves, too many of them
if ( ev.Moving() )
return;
long start = event.GetURLStart(),
end = event.GetURLEnd();
wxLogMessage(_T("Mouse event over URL '%s': %s"),
GetValue().Mid(start, end - start).c_str(),
GetMouseEventDesc(ev).c_str());
}
void MyTextCtrl::OnChar(wxKeyEvent& event)
{
if ( ms_logChar )
LogKeyEvent( _T("Char"), event);
event.Skip();
}
void MyTextCtrl::OnKeyUp(wxKeyEvent& event)
{
if ( ms_logKey )
LogKeyEvent( _T("Key up"), event);
event.Skip();
}
void MyTextCtrl::OnKeyDown(wxKeyEvent& event)
{
switch ( event.GetKeyCode() )
{
case WXK_F1:
// show current position and text length
{
long line, column, pos = GetInsertionPoint();
PositionToXY(pos, &column, &line);
wxLogMessage(_T("Current position: %ld\nCurrent line, column: (%ld, %ld)\nNumber of lines: %ld\nCurrent line length: %ld\nTotal text length: %u (%ld)"),
pos,
line, column,
(long) GetNumberOfLines(),
(long) GetLineLength(line),
(unsigned int) GetValue().length(),
GetLastPosition());
long from, to;
GetSelection(&from, &to);
wxString sel = GetStringSelection();
wxLogMessage(_T("Selection: from %ld to %ld."), from, to);
wxLogMessage(_T("Selection = '%s' (len = %u)"),
sel.c_str(),
(unsigned int) sel.length());
}
break;
case WXK_F2:
// go to the end
SetInsertionPointEnd();
break;
case WXK_F3:
// go to position 10
SetInsertionPoint(10);
break;
case WXK_F4:
if (!m_hasCapture)
{
wxLogDebug( wxT("Now capturing mouse and events.") );
m_hasCapture = true;
CaptureMouse();
}
else
{
wxLogDebug( wxT("Stopped capturing mouse and events.") );
m_hasCapture = false;
ReleaseMouse();
}
break;
case WXK_F5:
// insert a blank line
WriteText(_T("\n"));
break;
case WXK_F6:
wxLogMessage(_T("IsModified() before SetValue(): %d"),
IsModified());
SetValue(_T("SetValue() has been called"));
wxLogMessage(_T("IsModified() after SetValue(): %d"),
IsModified());
break;
case WXK_F7:
wxLogMessage(_T("Position 10 should be now visible."));
ShowPosition(10);
break;
case WXK_F8:
wxLogMessage(_T("Control has been cleared"));
Clear();
break;
case WXK_F9:
WriteText(_T("WriteText() has been called"));
break;
case WXK_F10:
AppendText(_T("AppendText() has been called"));
break;
}
if ( ms_logKey )
LogKeyEvent( wxT("Key down"), event);
event.Skip();
}
//----------------------------------------------------------------------
// MyPanel
//----------------------------------------------------------------------
MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
: wxPanel( frame, wxID_ANY, wxPoint(x, y), wxSize(w, h) )
{
#if wxUSE_LOG
m_log = new wxTextCtrl( this, wxID_ANY, _T("This is the log window.\n"),
wxPoint(5,260), wxSize(630,100),
wxTE_MULTILINE | wxTE_READONLY /* | wxTE_RICH */);
m_logOld = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
#endif // wxUSE_LOG
// single line text controls
m_text = new MyTextCtrl( this, wxID_ANY, _T("Single line."),
wxDefaultPosition, wxDefaultSize,
wxTE_PROCESS_ENTER);
m_text->SetForegroundColour(*wxBLUE);
m_text->SetBackgroundColour(*wxLIGHT_GREY);
(*m_text) << _T(" Appended.");
m_text->SetInsertionPoint(0);
m_text->WriteText( _T("Prepended. ") );
m_password = new MyTextCtrl( this, wxID_ANY, _T(""),
wxPoint(10,50), wxSize(140,wxDefaultCoord), wxTE_PASSWORD );
m_readonly = new MyTextCtrl( this, wxID_ANY, _T("Read only"),
wxPoint(10,90), wxSize(140,wxDefaultCoord), wxTE_READONLY );
m_limited = new MyTextCtrl(this, wxID_ANY, _T("Max 8 ch"),
wxPoint(10, 130), wxSize(140, wxDefaultCoord));
m_limited->SetMaxLength(8);
// multi line text controls
m_horizontal = new MyTextCtrl( this, wxID_ANY, _T("Multiline text control with a horizontal scrollbar.\n"),
wxPoint(10,170), wxSize(140,70), wxTE_MULTILINE | wxHSCROLL);
// a little hack to use the command line argument for encoding testing
if ( wxTheApp->argc == 2 )
{
switch ( wxTheApp->argv[1][0] )
{
case '2':
m_horizontal->SetFont(wxFont(18, wxSWISS, wxNORMAL, wxNORMAL,
false, _T(""),
wxFONTENCODING_ISO8859_2));
m_horizontal->AppendText(_T("<EFBFBD>lu<EFBFBD>ou<EFBFBD>k<EFBFBD> k<><6B> zb<7A>sile <20>e<EFBFBD>tina <20><>"));
break;
case '1':
m_horizontal->SetFont(wxFont(18, wxSWISS, wxNORMAL, wxNORMAL,
false, _T(""),
wxFONTENCODING_CP1251));
m_horizontal->AppendText(_T("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!"));
break;
case '8':
m_horizontal->SetFont(wxFont(18, wxSWISS, wxNORMAL, wxNORMAL,
false, _T(""),
wxFONTENCODING_CP1251));
#if wxUSE_UNICODE
m_horizontal->AppendText(L"\x0412\x0430\x0434\x0438\x043c \x0426");
#else
m_horizontal->AppendText("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
#endif
}
}
else
{
m_horizontal->AppendText(_T("Text in default encoding"));
}
m_multitext = new MyTextCtrl( this, wxID_ANY, _T("Multi line."),
wxPoint(180,10), wxSize(200,70), wxTE_MULTILINE );
m_multitext->SetFont(*wxITALIC_FONT);
(*m_multitext) << _T(" Appended.");
m_multitext->SetInsertionPoint(0);
m_multitext->WriteText( _T("Prepended. ") );
m_multitext->SetForegroundColour(*wxRED);
m_multitext->SetBackgroundColour(*wxLIGHT_GREY);
#if wxUSE_TOOLTIPS
m_multitext->SetToolTip(_T("Press Fn function keys here"));
#endif
m_tab = new MyTextCtrl( this, 100, _T("Multiline, allow <TAB> processing."),
wxPoint(180,90), wxSize(200,70), wxTE_MULTILINE | wxTE_PROCESS_TAB );
m_tab->SetClientData((void *)_T("tab"));
m_enter = new MyTextCtrl( this, 100, _T("Multiline, allow <ENTER> processing."),
wxPoint(180,170), wxSize(200,70), wxTE_MULTILINE);
m_enter->SetClientData((void *)_T("enter"));
m_textrich = new MyTextCtrl(this, wxID_ANY, _T("Allows more than 30Kb of text\n")
_T("(even under broken Win9x)\n")
_T("and a very very very very very ")
_T("very very very long line to test ")
_T("wxHSCROLL style\n")
_T("\nAnd here is a link in quotation marks to ")
_T("test wxTE_AUTO_URL: \"http://www.wxwidgets.org\""),
wxPoint(450, 10), wxSize(200, 230),
wxTE_RICH | wxTE_MULTILINE | wxTE_AUTO_URL);
m_textrich->SetStyle(0, 10, *wxRED);
m_textrich->SetStyle(10, 20, *wxBLUE);
m_textrich->SetStyle(30, 40,
wxTextAttr(*wxGREEN, wxNullColour, *wxITALIC_FONT));
m_textrich->SetDefaultStyle(wxTextAttr());
m_textrich->AppendText(_T("\n\nFirst 10 characters should be in red\n"));
m_textrich->AppendText(_T("Next 10 characters should be in blue\n"));
m_textrich->AppendText(_T("Next 10 characters should be normal\n"));
m_textrich->AppendText(_T("And the next 10 characters should be green and italic\n"));
m_textrich->SetDefaultStyle(wxTextAttr(*wxCYAN, *wxBLUE));
m_textrich->AppendText(_T("This text should be cyan on blue\n"));
m_textrich->SetDefaultStyle(wxTextAttr(*wxBLUE, *wxWHITE));
m_textrich->AppendText(_T("And this should be in blue and the text you ")
_T("type should be in blue as well"));
// lay out the controls
wxBoxSizer *column1 = new wxBoxSizer(wxVERTICAL);
column1->Add( m_text, 0, wxALL | wxEXPAND, 10 );
column1->Add( m_password, 0, wxALL | wxEXPAND, 10 );
column1->Add( m_readonly, 0, wxALL | wxEXPAND, 10 );
column1->Add( m_limited, 0, wxALL | wxEXPAND, 10 );
column1->Add( m_horizontal, 1, wxALL | wxEXPAND, 10 );
wxBoxSizer *column2 = new wxBoxSizer(wxVERTICAL);
column2->Add( m_multitext, 1, wxALL | wxEXPAND, 10 );
column2->Add( m_tab, 1, wxALL | wxEXPAND, 10 );
column2->Add( m_enter, 1, wxALL | wxEXPAND, 10 );
wxBoxSizer *row1 = new wxBoxSizer(wxHORIZONTAL);
row1->Add( column1, 0, wxALL | wxEXPAND, 10 );
row1->Add( column2, 1, wxALL | wxEXPAND, 10 );
row1->Add( m_textrich, 1, wxALL | wxEXPAND, 10 );
wxBoxSizer *topSizer = new wxBoxSizer(wxVERTICAL);
topSizer->Add( row1, 2, wxALL | wxEXPAND, 10 );
#if wxUSE_LOG
topSizer->Add( m_log, 1, wxALL | wxEXPAND, 10 );
#endif
SetAutoLayout( true );
SetSizer(topSizer);
}
wxTextCtrl *MyPanel::GetFocusedText(wxTextCtrl *textDef)
{
wxWindow *win = FindFocus();
wxTextCtrl *text = win ? wxDynamicCast(win, wxTextCtrl) : NULL;
return text ? text : textDef;
}
#if wxUSE_CLIPBOARD
void MyPanel::DoPasteFromClipboard()
{
// On X11, we want to get the data from the primary selection instead
// of the normal clipboard (which isn't normal under X11 at all). This
// call has no effect under MSW.
wxTheClipboard->UsePrimarySelection();
if (!wxTheClipboard->Open())
{
#if wxUSE_LOG
*m_log << _T("Error opening the clipboard.\n");
#endif // wxUSE_LOG
return;
}
else
{
#if wxUSE_LOG
*m_log << _T("Successfully opened the clipboard.\n");
#endif // wxUSE_LOG
}
wxTextDataObject data;
if (wxTheClipboard->IsSupported( data.GetFormat() ))
{
#if wxUSE_LOG
*m_log << _T("Clipboard supports requested format.\n");
#endif // wxUSE_LOG
if (wxTheClipboard->GetData( data ))
{
#if wxUSE_LOG
*m_log << _T("Successfully retrieved data from the clipboard.\n");
#endif // wxUSE_LOG
*m_multitext << data.GetText() << _T("\n");
}
else
{
#if wxUSE_LOG
*m_log << _T("Error getting data from the clipboard.\n");
#endif // wxUSE_LOG
}
}
else
{
#if wxUSE_LOG
*m_log << _T("Clipboard doesn't support requested format.\n");
#endif // wxUSE_LOG
}
wxTheClipboard->Close();
#if wxUSE_LOG
*m_log << _T("Closed the clipboard.\n");
#endif // wxUSE_LOG
}
void MyPanel::DoCopyToClipboard()
{
// On X11, we want to get the data from the primary selection instead
// of the normal clipboard (which isn't normal under X11 at all). This
// call has no effect under MSW.
wxTheClipboard->UsePrimarySelection();
wxString text( m_multitext->GetLineText(0) );
if (text.IsEmpty())
{
#if wxUSE_LOG
*m_log << _T("No text to copy.\n");
#endif // wxUSE_LOG
return;
}
if (!wxTheClipboard->Open())
{
#if wxUSE_LOG
*m_log << _T("Error opening the clipboard.\n");
#endif // wxUSE_LOG
return;
}
else
{
#if wxUSE_LOG
*m_log << _T("Successfully opened the clipboard.\n");
#endif // wxUSE_LOG
}
wxTextDataObject *data = new wxTextDataObject( text );
if (!wxTheClipboard->SetData( data ))
{
#if wxUSE_LOG
*m_log << _T("Error while copying to the clipboard.\n");
#endif // wxUSE_LOG
}
else
{
#if wxUSE_LOG
*m_log << _T("Successfully copied data to the clipboard.\n");
#endif // wxUSE_LOG
}
wxTheClipboard->Close();
#if wxUSE_LOG
*m_log << _T("Closed the clipboard.\n");
#endif // wxUSE_LOG
}
#endif // wxUSE_CLIPBOARD
void MyPanel::DoMoveToEndOfText()
{
m_multitext->SetInsertionPointEnd();
m_multitext->SetFocus();
}
void MyPanel::DoMoveToEndOfEntry()
{
m_text->SetInsertionPointEnd();
m_text->SetFocus();
}
void MyPanel::DoRemoveText()
{
GetFocusedText(m_multitext)->Remove(0, 10);
}
void MyPanel::DoReplaceText()
{
GetFocusedText(m_multitext)->Replace(3, 8, _T("ABC"));
}
void MyPanel::DoSelectText()
{
GetFocusedText(m_multitext)->SetSelection(3, 8);
}
//----------------------------------------------------------------------
// MyFrame
//----------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(TEXT_QUIT, MyFrame::OnQuit)
EVT_MENU(TEXT_ABOUT, MyFrame::OnAbout)
EVT_MENU(TEXT_SAVE, MyFrame::OnFileSave)
EVT_MENU(TEXT_LOAD, MyFrame::OnFileLoad)
EVT_MENU(TEXT_RICH_TEXT_TEST, MyFrame::OnRichTextTest)
EVT_MENU(TEXT_LOG_KEY, MyFrame::OnLogKey)
EVT_MENU(TEXT_LOG_CHAR, MyFrame::OnLogChar)
EVT_MENU(TEXT_LOG_MOUSE,MyFrame::OnLogMouse)
EVT_MENU(TEXT_LOG_TEXT, MyFrame::OnLogText)
EVT_MENU(TEXT_LOG_FOCUS,MyFrame::OnLogFocus)
#if wxUSE_LOG
EVT_MENU(TEXT_CLEAR, MyFrame::OnLogClear)
#endif // wxUSE_LOG
#if wxUSE_TOOLTIPS
EVT_MENU(TEXT_TOOLTIPS_SETDELAY, MyFrame::OnSetTooltipDelay)
EVT_MENU(TEXT_TOOLTIPS_ENABLE, MyFrame::OnToggleTooltips)
#endif // wxUSE_TOOLTIPS
#if wxUSE_CLIPBOARD
EVT_MENU(TEXT_CLIPBOARD_PASTE, MyFrame::OnPasteFromClipboard)
EVT_MENU(TEXT_CLIPBOARD_COPY, MyFrame::OnCopyToClipboard)
#endif // wxUSE_CLIPBOARD
EVT_MENU(TEXT_REMOVE, MyFrame::OnRemoveText)
EVT_MENU(TEXT_REPLACE, MyFrame::OnReplaceText)
EVT_MENU(TEXT_SELECT, MyFrame::OnSelectText)
EVT_MENU(TEXT_ADD_SOME, MyFrame::OnAddText)
EVT_MENU(TEXT_ADD_FREEZE, MyFrame::OnAddTextFreeze)
EVT_MENU(TEXT_MOVE_ENDTEXT, MyFrame::OnMoveToEndOfText)
EVT_MENU(TEXT_MOVE_ENDENTRY, MyFrame::OnMoveToEndOfEntry)
EVT_MENU(TEXT_SET_EDITABLE, MyFrame::OnSetEditable)
EVT_MENU(TEXT_SET_ENABLED, MyFrame::OnSetEnabled)
EVT_MENU(TEXT_LINE_DOWN, MyFrame::OnScrollLineDown)
EVT_MENU(TEXT_LINE_UP, MyFrame::OnScrollLineUp)
EVT_MENU(TEXT_PAGE_DOWN, MyFrame::OnScrollPageDown)
EVT_MENU(TEXT_PAGE_UP, MyFrame::OnScrollPageUp)
EVT_MENU(TEXT_GET_LINE, MyFrame::OnGetLine)
EVT_MENU(TEXT_GET_LINELENGTH, MyFrame::OnGetLineLength)
EVT_MENU(TEXT_SET, MyFrame::OnSetText)
EVT_IDLE(MyFrame::OnIdle)
END_EVENT_TABLE()
MyFrame::MyFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h)
: wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h) )
{
#if wxUSE_STATUSBAR
CreateStatusBar(2);
#endif // wxUSE_STATUSBAR
m_panel = new MyPanel( this, 10, 10, 300, 100 );
}
void MyFrame::OnQuit (wxCommandEvent& WXUNUSED(event) )
{
Close(true);
}
void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
{
wxBeginBusyCursor();
wxMessageDialog dialog(this,
_T("This is a text control sample. It demonstrates the many different\n")
_T("text control styles, the use of the clipboard, setting and handling\n")
_T("tooltips and intercepting key and char events.\n")
_T("\n")
_T("Copyright (c) 1999, Robert Roebling, Julian Smart, Vadim Zeitlin"),
_T("About wxTextCtrl Sample"),
wxOK | wxICON_INFORMATION);
dialog.ShowModal();
wxEndBusyCursor();
}
#if wxUSE_TOOLTIPS
void MyFrame::OnSetTooltipDelay(wxCommandEvent& WXUNUSED(event))
{
static long s_delay = 5000;
wxString delay;
delay.Printf( _T("%ld"), s_delay);
delay = wxGetTextFromUser(_T("Enter delay (in milliseconds)"),
_T("Set tooltip delay"),
delay,
this);
if ( !delay )
return; // cancelled
wxSscanf(delay, _T("%ld"), &s_delay);
wxToolTip::SetDelay(s_delay);
wxLogStatus(this, _T("Tooltip delay set to %ld milliseconds"), s_delay);
}
void MyFrame::OnToggleTooltips(wxCommandEvent& WXUNUSED(event))
{
static bool s_enabled = true;
s_enabled = !s_enabled;
wxToolTip::Enable(s_enabled);
wxLogStatus(this, _T("Tooltips %sabled"), s_enabled ? _T("en") : _T("dis") );
}
#endif // tooltips
#if wxUSE_LOG
void MyFrame::OnLogClear(wxCommandEvent& WXUNUSED(event))
{
m_panel->m_log->Clear();
}
#endif // wxUSE_LOG
void MyFrame::OnSetEditable(wxCommandEvent& WXUNUSED(event))
{
static bool s_editable = true;
s_editable = !s_editable;
m_panel->m_text->SetEditable(s_editable);
m_panel->m_password->SetEditable(s_editable);
m_panel->m_multitext->SetEditable(s_editable);
m_panel->m_textrich->SetEditable(s_editable);
}
void MyFrame::OnSetEnabled(wxCommandEvent& WXUNUSED(event))
{
bool enabled = m_panel->m_text->IsEnabled();
enabled = !enabled;
m_panel->m_text->Enable(enabled);
m_panel->m_password->Enable(enabled);
m_panel->m_multitext->Enable(enabled);
m_panel->m_readonly->Enable(enabled);
m_panel->m_limited->Enable(enabled);
m_panel->m_textrich->Enable(enabled);
}
void MyFrame::OnFileSave(wxCommandEvent& WXUNUSED(event))
{
if ( m_panel->m_textrich->SaveFile(_T("dummy.txt")) )
{
#if wxUSE_FILE
// verify that the fil length is correct (it wasn't under Win95)
wxFile file(wxT("dummy.txt"));
wxLogStatus(this,
_T("Successfully saved file (text len = %lu, file size = %ld)"),
(unsigned long)m_panel->m_textrich->GetValue().length(),
(long) file.Length());
#endif
}
else
wxLogStatus(this, _T("Couldn't save the file"));
}
void MyFrame::OnFileLoad(wxCommandEvent& WXUNUSED(event))
{
if ( m_panel->m_textrich->LoadFile(_T("dummy.txt")) )
wxLogStatus(this, _T("Successfully loaded file"));
else
wxLogStatus(this, _T("Couldn't load the file"));
}
void MyFrame::OnRichTextTest(wxCommandEvent& WXUNUSED(event))
{
RichTextFrame* frame = new RichTextFrame(this, _T("Rich Text Editor"));
frame->Show(true);
}
void MyFrame::OnIdle( wxIdleEvent& event )
{
// track the window which has the focus in the status bar
static wxWindow *s_windowFocus = (wxWindow *)NULL;
wxWindow *focus = wxWindow::FindFocus();
if ( focus && (focus != s_windowFocus) )
{
s_windowFocus = focus;
wxString msg;
msg.Printf(
#ifdef __WXMSW__
_T("Focus: wxWindow = %p, HWND = %08x"),
#else
_T("Focus: wxWindow = %p"),
#endif
s_windowFocus
#ifdef __WXMSW__
, (unsigned int) s_windowFocus->GetHWND()
#endif
);
#if wxUSE_STATUSBAR
SetStatusText(msg);
#endif // wxUSE_STATUSBAR
}
event.Skip();
}
/*
* RichTextFrame is used to demonstrate rich text behaviour
*/
enum
{
RICHTEXT_CLOSE = 1000,
RICHTEXT_LEFT_ALIGN,
RICHTEXT_RIGHT_ALIGN,
RICHTEXT_CENTRE,
RICHTEXT_JUSTIFY,
RICHTEXT_CHANGE_FONT,
RICHTEXT_CHANGE_TEXT_COLOUR,
RICHTEXT_CHANGE_BACKGROUND_COLOUR,
RICHTEXT_LEFT_INDENT,
RICHTEXT_RIGHT_INDENT
};
BEGIN_EVENT_TABLE(RichTextFrame, wxFrame)
EVT_IDLE(RichTextFrame::OnIdle)
EVT_MENU(RICHTEXT_CLOSE, RichTextFrame::OnClose)
EVT_MENU(RICHTEXT_LEFT_ALIGN, RichTextFrame::OnLeftAlign)
EVT_MENU(RICHTEXT_RIGHT_ALIGN, RichTextFrame::OnRightAlign)
EVT_MENU(RICHTEXT_CENTRE, RichTextFrame::OnCentre)
EVT_MENU(RICHTEXT_JUSTIFY, RichTextFrame::OnJustify)
EVT_MENU(RICHTEXT_CHANGE_FONT, RichTextFrame::OnChangeFont)
EVT_MENU(RICHTEXT_CHANGE_TEXT_COLOUR, RichTextFrame::OnChangeTextColour)
EVT_MENU(RICHTEXT_CHANGE_BACKGROUND_COLOUR, RichTextFrame::OnChangeBackgroundColour)
EVT_MENU(RICHTEXT_LEFT_INDENT, RichTextFrame::OnLeftIndent)
EVT_MENU(RICHTEXT_RIGHT_INDENT, RichTextFrame::OnRightIndent)
END_EVENT_TABLE()
RichTextFrame::RichTextFrame(wxWindow* parent, const wxString& title):
wxFrame(parent, wxID_ANY, title, wxDefaultPosition, wxSize(300, 400))
{
m_currentPosition = -1;
m_textCtrl = new wxTextCtrl(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
wxDefaultSize, wxTE_MULTILINE|wxTE_RICH2);
wxString value;
int i;
for (i = 0; i < 10; i++)
{
int j;
for (j = 0; j < 10; j++)
{
value << wxT("Hello, welcome to a very simple rich text editor. You can set some character and paragraph styles from the Edit menu. ");
}
value << wxT("\n\n");
}
m_textCtrl->SetValue(value);
wxMenuBar* menuBar = new wxMenuBar;
wxMenu* fileMenu = new wxMenu;
fileMenu->Append(RICHTEXT_CLOSE, _("Close\tCtrl+W"));
menuBar->Append(fileMenu, _("File"));
wxMenu* editMenu = new wxMenu;
editMenu->Append(RICHTEXT_LEFT_ALIGN, _("Left Align"));
editMenu->Append(RICHTEXT_RIGHT_ALIGN, _("Right Align"));
editMenu->Append(RICHTEXT_CENTRE, _("Centre"));
editMenu->Append(RICHTEXT_JUSTIFY, _("Justify"));
editMenu->AppendSeparator();
editMenu->Append(RICHTEXT_CHANGE_FONT, _("Change Font"));
editMenu->Append(RICHTEXT_CHANGE_TEXT_COLOUR, _("Change Text Colour"));
editMenu->Append(RICHTEXT_CHANGE_BACKGROUND_COLOUR, _("Change Background Colour"));
editMenu->AppendSeparator();
editMenu->Append(RICHTEXT_LEFT_INDENT, _("Left Indent"));
editMenu->Append(RICHTEXT_RIGHT_INDENT, _("Right indent"));
menuBar->Append(editMenu, _("Edit"));
SetMenuBar(menuBar);
#if wxUSE_STATUSBAR
CreateStatusBar();
#endif // wxUSE_STATUSBAR
}
// Event handlers
void RichTextFrame::OnClose(wxCommandEvent& WXUNUSED(event))
{
Close(true);
}
void RichTextFrame::OnLeftAlign(wxCommandEvent& WXUNUSED(event))
{
wxTextAttr attr;
attr.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
void RichTextFrame::OnRightAlign(wxCommandEvent& WXUNUSED(event))
{
wxTextAttr attr;
attr.SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
void RichTextFrame::OnJustify(wxCommandEvent& WXUNUSED(event))
{
wxTextAttr attr;
attr.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
void RichTextFrame::OnCentre(wxCommandEvent& WXUNUSED(event))
{
wxTextAttr attr;
attr.SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
void RichTextFrame::OnChangeFont(wxCommandEvent& WXUNUSED(event))
{
wxFontData data;
wxFontDialog dialog(this, data);
if (dialog.ShowModal() == wxID_OK)
{
wxFontData retData = dialog.GetFontData();
wxFont font = retData.GetChosenFont();
wxTextAttr attr;
attr.SetFont(font);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
}
void RichTextFrame::OnChangeTextColour(wxCommandEvent& WXUNUSED(event))
{
wxColourData data;
data.SetColour(* wxBLACK);
data.SetChooseFull(true);
for (int i = 0; i < 16; i++)
{
wxColour colour((unsigned char)(i*16), (unsigned char)(i*16), (unsigned char)(i*16));
data.SetCustomColour(i, colour);
}
wxColourDialog dialog(this, &data);
dialog.SetTitle(_T("Choose the text colour"));
if (dialog.ShowModal() == wxID_OK)
{
wxColourData retData = dialog.GetColourData();
wxColour col = retData.GetColour();
wxTextAttr attr;
attr.SetTextColour(col);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
}
void RichTextFrame::OnChangeBackgroundColour(wxCommandEvent& WXUNUSED(event))
{
wxColourData data;
data.SetColour(* wxWHITE);
data.SetChooseFull(true);
for (int i = 0; i < 16; i++)
{
wxColour colour((unsigned char)(i*16), (unsigned char)(i*16), (unsigned char)(i*16));
data.SetCustomColour(i, colour);
}
wxColourDialog dialog(this, &data);
dialog.SetTitle(_T("Choose the text background colour"));
if (dialog.ShowModal() == wxID_OK)
{
wxColourData retData = dialog.GetColourData();
wxColour col = retData.GetColour();
wxTextAttr attr;
attr.SetBackgroundColour(col);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
}
void RichTextFrame::OnLeftIndent(wxCommandEvent& WXUNUSED(event))
{
wxString indentStr = wxGetTextFromUser
(
_("Please enter the left indent in tenths of a millimetre."),
_("Left Indent"),
wxEmptyString,
this
);
if (!indentStr.IsEmpty())
{
int indent = wxAtoi(indentStr);
wxTextAttr attr;
attr.SetLeftIndent(indent);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
}
void RichTextFrame::OnRightIndent(wxCommandEvent& WXUNUSED(event))
{
wxString indentStr = wxGetTextFromUser
(
_("Please enter the right indent in tenths of a millimetre."),
_("Right Indent"),
wxEmptyString,
this
);
if (!indentStr.IsEmpty())
{
int indent = wxAtoi(indentStr);
wxTextAttr attr;
attr.SetRightIndent(indent);
long start, end;
m_textCtrl->GetSelection(& start, & end);
m_textCtrl->SetStyle(start, end, attr);
m_currentPosition = -1;
}
}
void RichTextFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
{
long insertionPoint = m_textCtrl->GetInsertionPoint();
if (insertionPoint != m_currentPosition)
{
#if wxUSE_STATUSBAR
wxTextAttr attr;
if (m_textCtrl->GetStyle(insertionPoint, attr))
{
wxString msg;
wxString facename(wxT("unknown"));
if (attr.GetFont().Ok())
{
facename = attr.GetFont().GetFaceName();
}
wxString alignment(wxT("unknown alignment"));
if (attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
alignment = wxT("centred");
else if (attr.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
alignment = wxT("right-aligned");
else if (attr.GetAlignment() == wxTEXT_ALIGNMENT_LEFT)
alignment = wxT("left-aligned");
else if (attr.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED)
alignment = wxT("justified");
msg.Printf(wxT("Facename: %s, wxColour(%d, %d, %d), %s"),
(const wxChar*) facename,
attr.GetTextColour().Red(), attr.GetTextColour().Green(), attr.GetTextColour().Blue(),
(const wxChar*) alignment);
if (attr.HasFont())
{
if (attr.GetFont().GetWeight() == wxBOLD)
msg += wxT(" BOLD");
else if (attr.GetFont().GetWeight() == wxNORMAL)
msg += wxT(" NORMAL");
if (attr.GetFont().GetStyle() == wxITALIC)
msg += wxT(" ITALIC");
if (attr.GetFont().GetUnderlined())
msg += wxT(" UNDERLINED");
}
SetStatusText(msg);
}
#endif // wxUSE_STATUSBAR
m_currentPosition = insertionPoint;
}
}
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