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(*
GTK-Kylix Library: GTKText - Multiline Text Editor (GtkTextView)
Copyright (C) 2003 Tomas Bzatek <tbzatek@users.sourceforge.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307 USA.
*)
unit GTKText;
interface
uses lazgobject2, lazgtk3, Classes, GTKControls, GTKForms;
type
TGTKTextBuffer = class;
(****************************************** TGTKTEXTVIEW ************************************************************************)
TGTKTextViewWrapMode = (wmWrapNone, wmWrapChar, wmWrapWord);
TGTKTextView = class(TGTKContainer)
private
FTextBuffer: TGTKTextBuffer;
function GetWrapMode: TGTKTextViewWrapMode;
procedure SetWrapMode(Value: TGTKTextViewWrapMode);
function GetReadOnly: boolean;
procedure SetReadOnly(Value: boolean);
function GetCursorVisible: boolean;
procedure SetCursorVisible(Value: boolean);
protected
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property WrapMode: TGTKTextViewWrapMode read GetWrapMode write SetWrapMode;
property ReadOnly: boolean read GetReadOnly write SetReadOnly;
property CursorVisible: boolean read GetCursorVisible write SetCursorVisible;
property TextBuffer: TGTKTextBuffer read FTextBuffer write FTextBuffer;
property Lines: TGTKTextBuffer read FTextBuffer write FTextBuffer;
end;
(****************************************** TGTKTEXTBUFFER **********************************************************************)
TGTKTextBuffer = class
private
FOwner: TGTKTextView;
FBuffer: PGtkTextBuffer;
function GetLineCount: integer;
function GetCharCount: integer;
protected
public
constructor Create(AOwner: TGTKTextView);
destructor Destroy; override;
procedure SetText(const Text: string);
procedure InsertText(const Text: string);
published
property Count: integer read GetLineCount;
property LineCount: integer read GetLineCount;
property CharCount: integer read GetCharCount;
end;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
implementation
uses SysUtils, DateUtils;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
constructor TGTKTextView.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FTextBuffer := TGTKTextBuffer.Create(Self);
FWidget := gtk_text_view_new_with_buffer(FTextBuffer.FBuffer);
Show;
g_object_unref(PGObject(FTextBuffer.FBuffer));
end;
destructor TGTKTextView.Destroy;
begin
inherited Destroy;
end;
function TGTKTextView.GetWrapMode: TGTKTextViewWrapMode;
begin
Result := TGTKTextViewWrapMode(gtk_text_view_get_wrap_mode(PGtkTextView(FWidget)));
end;
procedure TGTKTextView.SetWrapMode(Value: TGTKTextViewWrapMode);
begin
gtk_text_view_set_wrap_mode(PGtkTextView(FWidget), TGtkWrapMode(Value));
end;
function TGTKTextView.GetReadOnly: boolean;
begin
Result := not gtk_text_view_get_editable(PGtkTextView(FWidget));
end;
procedure TGTKTextView.SetReadOnly(Value: boolean);
begin
gtk_text_view_set_editable(PGtkTextView(FWidget), not Value);
end;
function TGTKTextView.GetCursorVisible: boolean;
begin
Result := gtk_text_view_get_cursor_visible(PGtkTextView(FWidget));
end;
procedure TGTKTextView.SetCursorVisible(Value: boolean);
begin
gtk_text_view_set_cursor_visible(PGtkTextView(FWidget), Value);
end;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
constructor TGTKTextBuffer.Create(AOwner: TGTKTextView);
begin
inherited Create;
FOwner := AOwner;
FBuffer := gtk_text_buffer_new(nil);
end;
destructor TGTKTextBuffer.Destroy;
begin
inherited Destroy;
end;
procedure TGTKTextBuffer.SetText(const Text: string);
begin
gtk_text_buffer_set_text(FBuffer, PChar(Text), -1);
end;
procedure TGTKTextBuffer.InsertText(const Text: string);
var Iter: TGtkTextIter;
begin
gtk_text_buffer_get_end_iter(FBuffer, @Iter);
gtk_text_buffer_insert(FBuffer, @Iter, PChar(Text), -1);
end;
function TGTKTextBuffer.GetLineCount: integer;
begin
Result := gtk_text_buffer_get_line_count(FBuffer);
end;
function TGTKTextBuffer.GetCharCount: integer;
begin
Result := gtk_text_buffer_get_char_count(FBuffer);
end;
(********************************************************************************************************************************)
end.
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