Work on wxEdit sample.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15077 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@ -17,10 +17,17 @@
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#endif
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#include "wx/filename.h"
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#include "wx/config.h"
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// Include private headers
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#include "wxedit.h"
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//------------------------------------------------------------------------------
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// constants
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//------------------------------------------------------------------------------
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#define HISTORY_ENTRIES 3
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//------------------------------------------------------------------------------
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// MyFrame
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//------------------------------------------------------------------------------
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@ -39,23 +46,78 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
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EVT_MENU(ID_PASTE, MyFrame::OnPaste)
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EVT_MENU(ID_DELETE, MyFrame::OnDelete)
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EVT_MENU(ID_LAST_1, MyFrame::OnLast1)
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EVT_MENU(ID_LAST_2, MyFrame::OnLast2)
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EVT_MENU(ID_LAST_3, MyFrame::OnLast3)
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EVT_MENU_RANGE(ID_LAST_1, ID_LAST_3, MyFrame::OnLastFiles)
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EVT_CLOSE(MyFrame::OnCloseWindow)
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EVT_UPDATE_UI(-1,MyFrame::OnUpdateUI)
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END_EVENT_TABLE()
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MyFrame::MyFrame( wxWindow *parent, wxWindowID id, const wxString &title,
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const wxPoint &position, const wxSize& size, long style ) :
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wxFrame( parent, id, title, position, size, style )
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{
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// Create menu and status bar.
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CreateMyMenuBar();
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CreateStatusBar(1);
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SetStatusText( "Welcome!" );
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SetStatusText( "Welcome to wxEdit!" );
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// Create edit control. Since it is the only
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// control in the frame, it will be resized
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// to file it out.
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m_text = new wxTextCtrl( this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
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// Read .ini file for file history etc.
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wxConfig *conf = (wxConfig*) wxConfig::Get();
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int entries = 0;
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conf->Read( "/History/Count", &entries );
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for (int i = 0; i < entries; i++)
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{
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wxString tmp;
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tmp.Printf( "/History/File%d", (int)i );
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wxString res;
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conf->Read( tmp, &res );
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if (!res.empty())
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AddToHistory( res );
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}
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}
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void MyFrame::MakeHistory()
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{
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wxMenuBar *mb = GetMenuBar();
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wxASSERT( mb );
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int max = m_history.GetCount();
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if (max > HISTORY_ENTRIES)
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max = HISTORY_ENTRIES;
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for (int i = 0; i < max; i++)
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{
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wxMenu *menu = NULL;
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mb->FindItem( ID_LAST_1 + i, &menu );
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wxASSERT( menu );
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wxFileName fname( m_history[(size_t)i] );
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menu->SetLabel( ID_LAST_1 + i, fname.GetFullName() );
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}
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}
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void MyFrame::AddToHistory( const wxString &fname )
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{
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// Fill menu with history index
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int index = m_history.Index( fname );
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if (index != wxNOT_FOUND)
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m_history.Remove( (size_t) index );
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m_history.Insert( fname, 0 );
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// Update menu
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MakeHistory();
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}
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void MyFrame::CreateMyMenuBar()
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@ -69,9 +131,23 @@ void MyFrame::CreateMyMenuBar()
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file_menu->Append( ID_SAVEAS, "Save as...", "Save text as..." );
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file_menu->AppendSeparator();
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file_menu->Append( ID_QUIT, "Quit...", "Quit program" );
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wxMenu *edit_menu = new wxMenu;
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edit_menu->Append( ID_COPY, "Copy" );
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edit_menu->Append( ID_CUT, "Cut" );
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edit_menu->Append( ID_PASTE, "Paste" );
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edit_menu->AppendSeparator();
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edit_menu->Append( ID_DELETE, "Delete" );
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wxMenu *history_menu = new wxMenu;
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history_menu->Append( ID_LAST_1, "No file." );
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history_menu->Append( ID_LAST_2, "No file." );
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history_menu->Append( ID_LAST_3, "No file." );
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wxMenuBar *menu_bar = new wxMenuBar();
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menu_bar->Append( file_menu, "File" );
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menu_bar->Append( file_menu, "&File" );
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menu_bar->Append( edit_menu, "&Edit" );
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menu_bar->Append( history_menu, "&History" );
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SetMenuBar( menu_bar );
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}
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@ -92,16 +168,23 @@ void MyFrame::OnDelete( wxCommandEvent &event )
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{
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}
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void MyFrame::OnLast1( wxCommandEvent &event )
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void MyFrame::OnLastFiles( wxCommandEvent &event )
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{
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}
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if (!Discard()) return;
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void MyFrame::OnLast2( wxCommandEvent &event )
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{
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}
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void MyFrame::OnLast3( wxCommandEvent &event )
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{
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if (!m_filename.empty())
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AddToHistory( m_filename );
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size_t index = event.GetId() - ID_LAST_1;
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wxASSERT( index < m_history.GetCount() );
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m_filename = m_history[index];
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m_text->Clear();
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m_text->LoadFile( m_filename );
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SetStatusText( m_filename );
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}
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void MyFrame::OnNew( wxCommandEvent &event )
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@ -109,10 +192,19 @@ void MyFrame::OnNew( wxCommandEvent &event )
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if (!Discard()) return;
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m_text->Clear();
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if (!m_filename.empty())
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AddToHistory( m_filename );
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m_filename = wxEmptyString;
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SetStatusText( "" );
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}
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void MyFrame::OnOpen( wxCommandEvent &event )
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{
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if (!Discard()) return;
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wxFileDialog dialog( this, "Open text", "", "",
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"Text file (*.txt)|*.txt|"
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"Any file (*)|*",
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@ -148,16 +240,34 @@ void MyFrame::OnOpen( wxCommandEvent &event )
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}
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#endif
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m_text->LoadFile( dialog.GetPath() );
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m_filename = dialog.GetPath();
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m_text->LoadFile( m_filename );
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SetStatusText( m_filename );
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}
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}
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void MyFrame::OnSave( wxCommandEvent &event )
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{
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if (m_filename.empty())
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OnSaveAs( event );
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else
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m_text->SaveFile( m_filename );
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}
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void MyFrame::OnSaveAs( wxCommandEvent &event )
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{
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wxFileDialog dialog( this, "Open text", "", "",
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"Text file (*.txt)|*.txt|"
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"Any file (*)|*",
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wxSAVE|wxOVERWRITE_PROMPT );
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if (dialog.ShowModal() == wxID_OK)
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{
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m_filename = dialog.GetPath();
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m_text->SaveFile( m_filename );
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SetStatusText( m_filename );
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}
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}
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void MyFrame::OnAbout( wxCommandEvent &event )
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@ -183,7 +293,7 @@ bool MyFrame::Discard()
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{
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if (m_text->IsModified())
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{
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wxMessageDialog dialog( this, "Text has been modified! Save?",
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wxMessageDialog dialog( this, "Text has been\nmodified! Save?",
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"wxEdit", wxYES_NO|wxCANCEL|wxICON_EXCLAMATION );
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int ret = dialog.ShowModal();
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@ -201,10 +311,57 @@ bool MyFrame::Discard()
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return TRUE;
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}
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void MyFrame::OnUpdateUI( wxUpdateUIEvent &event )
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{
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switch (event.GetId())
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{
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case ID_COPY:
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event.Enable( FALSE );
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break;
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case ID_CUT:
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event.Enable( FALSE );
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break;
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case ID_PASTE:
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event.Enable( FALSE );
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break;
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case ID_DELETE:
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event.Enable( m_text->HasSelection() );
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break;
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default:
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break;
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}
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}
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void MyFrame::OnCloseWindow( wxCloseEvent &event )
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{
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// Save changes?
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if (!Discard()) return;
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// Add current to history
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if (!m_filename.empty())
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AddToHistory( m_filename );
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// Write .ini file
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wxConfig *conf = (wxConfig*) wxConfig::Get();
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int max = HISTORY_ENTRIES;
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if (m_history.GetCount() < (size_t)max)
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max = m_history.GetCount();
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conf->Write( "/History/Count", max );
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for (int i = 0; i < max; i++)
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{
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wxString tmp;
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tmp.Printf( "/History/File%d", (int)i );
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conf->Write( tmp, m_history[(size_t)i] );
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}
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// Flush and delete config
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delete wxConfig::Set( NULL );
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// Finally destroy window and quit
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Destroy();
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}
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@ -220,6 +377,9 @@ MyApp::MyApp()
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bool MyApp::OnInit()
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{
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SetVendorName("Free world");
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SetAppName("wxEdit");
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MyFrame *frame = new MyFrame( NULL, -1, "wxEdit", wxPoint(20,20), wxSize(500,340) );
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frame->Show( TRUE );
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@ -55,7 +55,9 @@ private:
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void CreateMyMenuBar();
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private:
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wxTextCtrl *m_text;
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wxTextCtrl *m_text;
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wxString m_filename;
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wxArrayString m_history;
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private:
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void OnAbout( wxCommandEvent &event );
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@ -70,13 +72,15 @@ private:
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void OnPaste( wxCommandEvent &event );
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void OnDelete( wxCommandEvent &event );
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void OnLast1( wxCommandEvent &event );
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void OnLast2( wxCommandEvent &event );
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void OnLast3( wxCommandEvent &event );
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void OnLastFiles( wxCommandEvent &event );
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void MakeHistory();
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void AddToHistory( const wxString &fname );
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bool Save();
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bool Discard();
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void OnUpdateUI( wxUpdateUIEvent &event );
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void OnCloseWindow( wxCloseEvent &event );
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private:
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