///////////////////////////////////////////////////////////////////////////// // 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(); // return true if currently text control has any selection bool HasSelection() const { long from, to; GetFocusedText()->GetSelection(&from, &to); return from != to; } 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 // (m_multitext) is no text ctrl has focus -- in any case, returns // something non NULL wxTextCtrl *GetFocusedText() const; }; 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) ) { wxLogMessage(_T("Pasting text from clipboard.")); m_panel->DoPasteFromClipboard(); } void OnCopyToClipboard( wxCommandEvent& WXUNUSED(event) ) { wxLogMessage(_T("Copying text to clipboard.")); m_panel->DoCopyToClipboard(); } void OnUpdatePasteFromClipboard(wxUpdateUIEvent& event) { wxClipboardLocker lockClip; event.Enable( wxTheClipboard->IsSupported(wxDF_TEXT) ); } void OnUpdateCopyToClipboard(wxUpdateUIEvent& event) { event.Enable( m_panel->HasSelection() ); } #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 = wxID_EXIT, TEXT_ABOUT = wxID_ABOUT, TEXT_LOAD = 101, 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 // notice that we use non default accelerators on purpose here to compare // their behaviour with the built in handling of standard Ctrl/Cmd-C/V wxMenu *menuClipboard = new wxMenu; menuClipboard->Append(TEXT_CLIPBOARD_COPY, _T("&Copy\tCtrl-Shift-C"), _T("Copy the selection to the clipboard")); menuClipboard->Append(TEXT_CLIPBOARD_PASTE, _T("&Paste\tCtrl-Shift-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("\256lu\273ou\350k\375 k\371\362 zb\354sile \350e\271tina \253\273")); break; case '1': m_horizontal->SetFont(wxFont(18, wxSWISS, wxNORMAL, wxNORMAL, false, _T(""), wxFONTENCODING_CP1251)); m_horizontal->AppendText(_T("\317\360\350\342\345\362!")); 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("\313\301\326\305\324\323\321 \325\304\301\336\316\331\315"); #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 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 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() const { wxWindow *win = FindFocus(); wxTextCtrl *text = win ? wxDynamicCast(win, wxTextCtrl) : NULL; return text ? text : m_multitext; } #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 GetFocusedText()->AppendText(data.GetText()); } 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( GetFocusedText()->GetStringSelection() ); 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()->Remove(0, 10); } void MyPanel::DoReplaceText() { GetFocusedText()->Replace(3, 8, _T("ABC")); } void MyPanel::DoSelectText() { GetFocusedText()->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) EVT_UPDATE_UI(TEXT_CLIPBOARD_PASTE, MyFrame::OnUpdatePasteFromClipboard) EVT_UPDATE_UI(TEXT_CLIPBOARD_COPY, MyFrame::OnUpdateCopyToClipboard) #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; } }