868a28262c
(recompile) Added tiny bit of documentation to window.cpp git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@676 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
454 lines
10 KiB
C++
454 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: textctrl.cpp
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// Purpose:
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// Author: Robert Roebling
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// Created: 01/02/97
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// Id:
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// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "textctrl.h"
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#endif
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#include "wx/textctrl.h"
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#include "wx/utils.h"
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#include <wx/intl.h>
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//-----------------------------------------------------------------------------
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// "changed"
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//-----------------------------------------------------------------------------
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static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
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{
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win->SetModified();
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wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->m_windowId );
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wxString val( win->GetValue() );
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if (!val.IsNull()) event.m_commandString = WXSTRINGCAST val;
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event.SetEventObject( win );
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win->GetEventHandler()->ProcessEvent( event );
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}
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//-----------------------------------------------------------------------------
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// wxTextCtrl
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
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BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
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EVT_CHAR(wxTextCtrl::OnChar)
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END_EVENT_TABLE()
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wxTextCtrl::wxTextCtrl(void) : streambuf()
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{
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if (allocate()) setp(base(),ebuf());
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m_modified = FALSE;
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}
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wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
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const wxPoint &pos, const wxSize &size,
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int style, const wxValidator& validator, const wxString &name ) : streambuf()
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{
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if (allocate()) setp(base(),ebuf());
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m_modified = FALSE;
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Create( parent, id, value, pos, size, style, validator, name );
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}
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bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
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const wxPoint &pos, const wxSize &size,
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int style, const wxValidator& validator, const wxString &name )
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{
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m_needParent = TRUE;
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PreCreation( parent, id, pos, size, style, name );
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SetValidator( validator );
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bool bMultiLine = (style & wxTE_MULTILINE) != 0;
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if ( bMultiLine )
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{
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// a multi-line edit control: create a vertical scrollbar by default and
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// horizontal if requested
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bool bHasHScrollbar = (style & wxHSCROLL) != 0;
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// create our control...
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m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
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// ... and put into the upper left hand corner of the table
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m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
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gtk_table_attach(GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
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GTK_FILL | GTK_EXPAND,
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GTK_FILL | GTK_EXPAND | GTK_SHRINK,
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0, 0);
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// put the horizontal scrollbar in the lower left hand corner
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if (bHasHScrollbar)
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{
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GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
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gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2,
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GTK_EXPAND | GTK_FILL,
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GTK_FILL,
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0, 0);
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gtk_widget_show(hscrollbar);
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}
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// finally, put the vertical scrollbar in the upper right corner
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GtkWidget *vscrollbar = gtk_vscrollbar_new(GTK_TEXT(m_text)->vadj);
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gtk_table_attach(GTK_TABLE(m_widget), vscrollbar, 1, 2, 0, 1,
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GTK_FILL,
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GTK_EXPAND | GTK_FILL | GTK_SHRINK,
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0, 0);
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gtk_widget_show( vscrollbar );
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}
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else
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{
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// a single-line text control: no need for scrollbars
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m_widget =
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m_text = gtk_entry_new();
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}
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wxSize newSize = size;
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if (newSize.x == -1) newSize.x = 80;
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if (newSize.y == -1) newSize.y = 26;
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SetSize( newSize.x, newSize.y );
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PostCreation();
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if (bMultiLine)
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{
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gtk_widget_realize(m_text);
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gtk_widget_show(m_text);
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}
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// we want to be notified about text changes
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gtk_signal_connect(GTK_OBJECT(m_text), "changed",
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GTK_SIGNAL_FUNC(gtk_text_changed_callback),
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(gpointer)this);
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if (!value.IsNull())
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{
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gint tmp = 0;
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gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
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}
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if (style & wxTE_READONLY)
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{
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}
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else
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{
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if (bMultiLine)
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gtk_text_set_editable( GTK_TEXT(m_text), 1 );
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}
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Show( TRUE );
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return TRUE;
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}
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wxString wxTextCtrl::GetValue(void) const
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{
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wxString tmp;
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if (m_windowStyle & wxTE_MULTILINE)
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{
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gint len = gtk_text_get_length( GTK_TEXT(m_text) );
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tmp = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
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}
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else
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{
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tmp = gtk_entry_get_text( GTK_ENTRY(m_text) );
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}
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return tmp;
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}
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void wxTextCtrl::SetValue( const wxString &value )
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{
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wxString tmp = "";
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if (!value.IsNull()) tmp = value;
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if (m_windowStyle & wxTE_MULTILINE)
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{
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gint len = gtk_text_get_length( GTK_TEXT(m_text) );
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gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
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len = 0;
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gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp, tmp.Length(), &len );
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}
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else
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{
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gtk_entry_set_text( GTK_ENTRY(m_text), tmp );
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}
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}
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void wxTextCtrl::WriteText( const wxString &text )
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{
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if (text.IsNull()) return;
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if (m_windowStyle & wxTE_MULTILINE)
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{
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gint len = gtk_text_get_length( GTK_TEXT(m_text) );
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gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
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}
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else
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{
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gtk_entry_append_text( GTK_ENTRY(m_text), text );
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}
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}
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bool wxTextCtrl::LoadFile( const wxString &WXUNUSED(file) )
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{
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wxFAIL_MSG( "wxTextCtrl::LoadFile not implemented" );
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return FALSE;
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}
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bool wxTextCtrl::SaveFile( const wxString &WXUNUSED(file) )
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{
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wxFAIL_MSG( "wxTextCtrl::SaveFile not implemented" );
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return FALSE;
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}
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/*
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wxString wxTextCtrl::GetLineText( long lineNo ) const
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{
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}
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void wxTextCtrl::OnDropFiles( wxDropFilesEvent &event )
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{
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}
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long wxTextCtrl::PositionToXY( long pos, long *x, long *y ) const
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{
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}
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long wxTextCtrl::XYToPosition( long x, long y )
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{
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}
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int wxTextCtrl::GetNumberOfLines(void)
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{
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}
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*/
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void wxTextCtrl::SetInsertionPoint( long pos )
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{
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int tmp = (int) pos;
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if (m_windowStyle & wxTE_MULTILINE)
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gtk_text_set_point( GTK_TEXT(m_text), tmp );
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else
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gtk_entry_set_position( GTK_ENTRY(m_text), tmp );
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}
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void wxTextCtrl::SetInsertionPointEnd(void)
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{
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int pos = 0;
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if (m_windowStyle & wxTE_MULTILINE)
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pos = gtk_text_get_length( GTK_TEXT(m_text) );
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else
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pos = GTK_ENTRY(m_text)->text_length;
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SetInsertionPoint( pos-1 );
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}
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void wxTextCtrl::SetEditable( bool editable )
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{
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if (m_windowStyle & wxTE_MULTILINE)
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gtk_text_set_editable( GTK_TEXT(m_text), editable );
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else
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gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
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}
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void wxTextCtrl::SetSelection( long from, long to )
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{
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gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
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}
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void wxTextCtrl::ShowPosition( long WXUNUSED(pos) )
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{
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wxFAIL_MSG(_("wxTextCtrl::ShowPosition not implemented"));
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}
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long wxTextCtrl::GetInsertionPoint(void) const
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{
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return (long) GTK_EDITABLE(m_text)->current_pos;
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}
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long wxTextCtrl::GetLastPosition(void) const
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{
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int pos = 0;
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if (m_windowStyle & wxTE_MULTILINE)
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pos = gtk_text_get_length( GTK_TEXT(m_text) );
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else
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pos = GTK_ENTRY(m_text)->text_length;
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return (long)pos-1;
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}
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void wxTextCtrl::Remove( long from, long to )
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{
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gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
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}
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void wxTextCtrl::Replace( long from, long to, const wxString &value )
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{
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gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
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if (value.IsNull()) return;
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gint pos = (gint)to;
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gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
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}
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void wxTextCtrl::Cut(void)
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{
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gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
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}
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void wxTextCtrl::Copy(void)
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{
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gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
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}
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void wxTextCtrl::Paste(void)
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{
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gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
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}
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void wxTextCtrl::Delete(void)
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{
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SetValue( "" );
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}
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void wxTextCtrl::OnChar( wxKeyEvent &key_event )
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{
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if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
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{
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wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
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event.SetEventObject(this);
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printf( "Hallo.\n" );
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if (GetEventHandler()->ProcessEvent(event)) return;
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}
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else if (key_event.KeyCode() == WXK_TAB)
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{
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wxNavigationKeyEvent event;
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event.SetDirection( key_event.m_shiftDown );
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event.SetWindowChange(FALSE);
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event.SetEventObject(this);
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if (GetEventHandler()->ProcessEvent(event)) return;
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}
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key_event.Skip();
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}
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int wxTextCtrl::overflow( int WXUNUSED(c) )
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{
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int len = pptr() - pbase();
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char *txt = new char[len+1];
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strncpy(txt, pbase(), len);
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txt[len] = '\0';
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(*this) << txt;
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setp(pbase(), epptr());
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delete[] txt;
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return EOF;
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}
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int wxTextCtrl::sync(void)
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{
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int len = pptr() - pbase();
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char *txt = new char[len+1];
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strncpy(txt, pbase(), len);
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txt[len] = '\0';
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(*this) << txt;
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setp(pbase(), epptr());
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delete[] txt;
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return 0;
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}
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int wxTextCtrl::underflow(void)
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{
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return EOF;
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}
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wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
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{
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WriteText(s);
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return *this;
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}
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wxTextCtrl& wxTextCtrl::operator<<(float f)
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{
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static char buf[100];
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sprintf(buf, "%.2f", f);
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WriteText(buf);
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return *this;
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}
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wxTextCtrl& wxTextCtrl::operator<<(double d)
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{
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static char buf[100];
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sprintf(buf, "%.2f", d);
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WriteText(buf);
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return *this;
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}
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wxTextCtrl& wxTextCtrl::operator<<(int i)
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{
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static char buf[100];
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sprintf(buf, "%i", i);
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WriteText(buf);
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return *this;
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}
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wxTextCtrl& wxTextCtrl::operator<<(long i)
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{
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static char buf[100];
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sprintf(buf, "%ld", i);
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WriteText(buf);
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return *this;
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}
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wxTextCtrl& wxTextCtrl::operator<<(const char c)
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{
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char buf[2];
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buf[0] = c;
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buf[1] = 0;
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WriteText(buf);
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return *this;
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}
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GtkWidget* wxTextCtrl::GetConnectWidget(void)
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{
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return GTK_WIDGET(m_text);
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}
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bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
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{
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if (m_windowStyle & wxTE_MULTILINE)
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return (window == GTK_TEXT(m_text)->text_area);
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else
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return (window == GTK_ENTRY(m_text)->text_area);
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}
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void wxTextCtrl::SetFont( const wxFont &font )
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{
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m_font = font;
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GtkStyle *style = (GtkStyle*) NULL;
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if (!m_hasOwnStyle)
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{
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m_hasOwnStyle = TRUE;
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style = gtk_style_copy( gtk_widget_get_style( m_text ) );
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}
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else
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{
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style = gtk_widget_get_style( m_text );
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}
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gdk_font_unref( style->font );
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style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) );
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gtk_widget_set_style( m_text, style );
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}
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