a81258bee4
Added wxTextCtrl methods Removed Imlib -> Recompile git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@923 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
650 lines
15 KiB
C++
650 lines
15 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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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
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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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#include <sys/types.h>
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#include <sys/stat.h>
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#include <ctype.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() : 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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SetBackgroundColour( parent->GetBackgroundColour() );
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return TRUE;
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}
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wxString wxTextCtrl::GetValue() const
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{
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wxCHECK_MSG( m_text != NULL, "", "invalid text ctrl" );
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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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char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
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tmp = text;
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g_free( text );
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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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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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 &file )
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{
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wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" );
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if (!wxFileExists(file)) return FALSE;
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Clear();
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FILE *fp = NULL;
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struct stat statb;
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if ((stat ((char*) (const char*) file, &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG ||
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!(fp = fopen ((char*) (const char*) file, "r")))
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{
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return FALSE;
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}
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else
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{
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gint len = statb.st_size;
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char *text;
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if (!(text = (char*)malloc ((unsigned) (len + 1))))
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{
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fclose (fp);
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return FALSE;
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}
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if (fread (text, sizeof (char), len, fp) != (size_t) len)
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{
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}
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fclose (fp);
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text[len] = 0;
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if (m_windowStyle & wxTE_MULTILINE)
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{
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gtk_editable_insert_text( GTK_EDITABLE(m_text), text, 0, &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), text );
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}
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free (text);
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m_modified = FALSE;
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return TRUE;
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}
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return FALSE;
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}
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bool wxTextCtrl::SaveFile( const wxString &file )
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{
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wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" );
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if (file == "") return FALSE;
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FILE *fp;
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if (!(fp = fopen ((char*) (const char*) file, "w")))
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{
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return FALSE;
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}
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else
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{
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char *text = NULL;
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gint len = 0;
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if (m_windowStyle & wxTE_MULTILINE)
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{
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len = gtk_text_get_length( GTK_TEXT(m_text) );
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text = 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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text = gtk_entry_get_text( GTK_ENTRY(m_text) );
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}
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if (fwrite (text, sizeof (char), len, fp) != (size_t) len)
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{
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// Did not write whole file
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}
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// Make sure newline terminates the file
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if (text[len - 1] != '\n')
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fputc ('\n', fp);
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fclose (fp);
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if (m_windowStyle & wxTE_MULTILINE) g_free( text );
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m_modified = FALSE;
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return TRUE;
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}
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return TRUE;
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}
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wxString wxTextCtrl::GetLineText( long lineNo ) const
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{
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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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char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
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if (text)
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{
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wxString buf("");
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long i;
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int currentLine = 0;
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for (i = 0; currentLine != lineNo && text[i]; i++ )
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if (text[i] == '\n')
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currentLine++;
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// Now get the text
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int j;
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for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
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buf += text[i];
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g_free( text );
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return buf;
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}
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else
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return wxEmptyString;
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}
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else
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{
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if (lineNo == 0) return GetValue();
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return wxEmptyString;
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}
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}
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void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
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{
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wxFAIL_MSG( "wxTextCtrl::GetLineText( lineNo ) not implemented" );
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}
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long wxTextCtrl::PositionToXY( long WXUNUSED(pos), long *WXUNUSED(x), long *WXUNUSED(y) ) const
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{
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wxFAIL_MSG( "wxTextCtrl::XYToPosition not implemented" );
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return 0;
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}
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long wxTextCtrl::XYToPosition( long WXUNUSED(x), long WXUNUSED(y) ) const
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{
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wxFAIL_MSG( "wxTextCtrl::XYToPosition not implemented" );
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return 0;
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}
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int wxTextCtrl::GetLineLength(long lineNo) const
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{
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wxString str = GetLineText (lineNo);
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return (int) str.Length();
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}
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int wxTextCtrl::GetNumberOfLines() const
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{
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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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char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
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if (text)
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{
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int currentLine = 0;
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for (int i = 0; i < len; i++ )
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if (text[i] == '\n')
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currentLine++;
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g_free( text );
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return currentLine;
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}
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else
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return 0;
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}
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else
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{
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return 1;
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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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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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()
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{
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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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() const
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{
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wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" );
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return (long) GTK_EDITABLE(m_text)->current_pos;
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}
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long wxTextCtrl::GetLastPosition() const
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{
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wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" );
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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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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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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()
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{
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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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#if (GTK_MINOR_VERSION == 1)
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gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
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#else
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gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
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#endif
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}
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void wxTextCtrl::Copy()
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{
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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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#if (GTK_MINOR_VERSION == 1)
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gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
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#else
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gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
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#endif
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}
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void wxTextCtrl::Paste()
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{
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wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
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#if (GTK_MINOR_VERSION == 1)
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gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );
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#else
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gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
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#endif
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}
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void wxTextCtrl::Clear()
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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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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()
|
|
{
|
|
int len = pptr() - pbase();
|
|
char *txt = new char[len+1];
|
|
strncpy(txt, pbase(), len);
|
|
txt[len] = '\0';
|
|
(*this) << txt;
|
|
setp(pbase(), epptr());
|
|
delete[] txt;
|
|
return 0;
|
|
}
|
|
|
|
int wxTextCtrl::underflow()
|
|
{
|
|
return EOF;
|
|
}
|
|
|
|
wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
|
|
{
|
|
WriteText(s);
|
|
return *this;
|
|
}
|
|
|
|
wxTextCtrl& wxTextCtrl::operator<<(float f)
|
|
{
|
|
static char buf[100];
|
|
sprintf(buf, "%.2f", f);
|
|
WriteText(buf);
|
|
return *this;
|
|
}
|
|
|
|
wxTextCtrl& wxTextCtrl::operator<<(double d)
|
|
{
|
|
static char buf[100];
|
|
sprintf(buf, "%.2f", d);
|
|
WriteText(buf);
|
|
return *this;
|
|
}
|
|
|
|
wxTextCtrl& wxTextCtrl::operator<<(int i)
|
|
{
|
|
static char buf[100];
|
|
sprintf(buf, "%i", i);
|
|
WriteText(buf);
|
|
return *this;
|
|
}
|
|
|
|
wxTextCtrl& wxTextCtrl::operator<<(long i)
|
|
{
|
|
static char buf[100];
|
|
sprintf(buf, "%ld", i);
|
|
WriteText(buf);
|
|
return *this;
|
|
}
|
|
|
|
wxTextCtrl& wxTextCtrl::operator<<(const char c)
|
|
{
|
|
char buf[2];
|
|
|
|
buf[0] = c;
|
|
buf[1] = 0;
|
|
WriteText(buf);
|
|
return *this;
|
|
}
|
|
|
|
GtkWidget* wxTextCtrl::GetConnectWidget()
|
|
{
|
|
return GTK_WIDGET(m_text);
|
|
}
|
|
|
|
bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
|
|
{
|
|
if (m_windowStyle & wxTE_MULTILINE)
|
|
return (window == GTK_TEXT(m_text)->text_area);
|
|
else
|
|
return (window == GTK_ENTRY(m_text)->text_area);
|
|
}
|
|
|
|
void wxTextCtrl::SetFont( const wxFont &font )
|
|
{
|
|
wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
|
|
|
|
wxControl::SetFont( font );
|
|
|
|
// doesn't work
|
|
}
|
|
|
|
void wxTextCtrl::SetBackgroundColour( const wxColour &colour )
|
|
{
|
|
wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
|
|
|
|
wxControl::SetBackgroundColour( colour );
|
|
|
|
if (!m_backgroundColour.Ok()) return;
|
|
|
|
if (m_windowStyle & wxTE_MULTILINE)
|
|
{
|
|
GdkWindow *window = GTK_TEXT(m_text)->text_area;
|
|
m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
|
|
gdk_window_set_background( window, m_backgroundColour.GetColor() );
|
|
gdk_window_clear( window );
|
|
}
|
|
else
|
|
{
|
|
gtk_widget_set_style( m_text, m_widgetStyle );
|
|
}
|
|
}
|
|
|