/***************************************************************************
  
  CTextArea.cpp
  
  (c) 2004-2006 - Daniel Campos Fernández <dcamposf@gmail.com>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2, or (at your option)
  any later version.
  
  This program 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 General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  MA 02110-1301, USA.
  
***************************************************************************/

#define __CTEXTAREA_CPP

#include "gambas.h"
#include "main.h"
#include "widgets.h"

#include "CTextArea.h"
#include "CWidget.h"
#include "CContainer.h"

#include <stdlib.h>

DECLARE_EVENT(EVENT_Change);
DECLARE_EVENT(EVENT_Cursor);
//DECLARE_EVENT(EVENT_Link); //TODO

void CB_textarea_change(gTextArea *sender)
{
  CB_GET_OBJECT(sender);
	GB.Raise(THIS, EVENT_Change, 0);
}

void CB_textarea_cursor(gTextArea *sender)
{
  CB_GET_OBJECT(sender);
	GB.Raise(THIS, EVENT_Cursor, 0);
}

BEGIN_METHOD(CTEXTAREA_new, GB_OBJECT parent)

	InitControl(new gTextArea(CONTAINER(VARG(parent))), (CWIDGET*)THIS);
	
END_METHOD


BEGIN_PROPERTY(CTEXTAREA_text)

	if (READ_PROPERTY)
		GB.ReturnNewZeroString(TEXTAREA->text());
	else
		TEXTAREA->setText(PSTRING(), PLENGTH());

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_length)

	GB.ReturnInteger(TEXTAREA->length());

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_read_only)

	if (READ_PROPERTY)
		GB.ReturnBoolean(TEXTAREA->readOnly());
	else
		TEXTAREA->setReadOnly(VPROP(GB_BOOLEAN));

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_wrap)

	if (READ_PROPERTY)
		GB.ReturnBoolean(TEXTAREA->wrap());
	else
		TEXTAREA->setWrap(VPROP(GB_BOOLEAN));

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_line)

	if (READ_PROPERTY)
		GB.ReturnInteger(TEXTAREA->line());
	else
		TEXTAREA->setLine(VPROP(GB_INTEGER));

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_column)

	if (READ_PROPERTY) 
		GB.ReturnInteger(TEXTAREA->column());
	else
		TEXTAREA->setColumn(VPROP(GB_INTEGER));

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_pos)

	if (READ_PROPERTY)
		GB.ReturnInteger(TEXTAREA->position());
	else
		TEXTAREA->setPosition(VPROP(GB_INTEGER));

END_PROPERTY


BEGIN_METHOD_VOID(CTEXTAREA_clear)

	TEXTAREA->clear();

END_METHOD


BEGIN_METHOD(CTEXTAREA_insert, GB_STRING text)

	TEXTAREA->insert(GB.ToZeroString(ARG(text)));

END_METHOD

BEGIN_PROPERTY(CTEXTAREA_border)

	if (READ_PROPERTY)
		GB.ReturnBoolean(TEXTAREA->getBorder());
	else
		TEXTAREA->setBorder(VPROP(GB_BOOLEAN));

END_PROPERTY



/***************************************************************************

	.TextArea.Selection

***************************************************************************/

BEGIN_PROPERTY(CTEXTAREA_sel_text)

	if (READ_PROPERTY)
		GB.ReturnNewZeroString(TEXTAREA->selText());
	else
		TEXTAREA->setSelText(GB.ToZeroString(PROP(GB_STRING)));

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_sel_length)

	GB.ReturnInteger(TEXTAREA->selEnd()-TEXTAREA->selStart());

END_PROPERTY


BEGIN_PROPERTY(CTEXTAREA_sel_start)

	GB.ReturnInteger(TEXTAREA->selStart());

END_PROPERTY


BEGIN_METHOD_VOID(CTEXTAREA_sel_clear)

	TEXTAREA->selDelete();

END_METHOD


BEGIN_METHOD(CTEXTAREA_sel_select, GB_INTEGER start; GB_INTEGER length)

	int start = VARGOPT(start, 0);
	int length = VARGOPT(length, TEXTAREA->length());
	
	TEXTAREA->selSelect(start, length);

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_sel_all)

	TEXTAREA->selectAll();

END_METHOD


BEGIN_METHOD(CTEXTAREA_to_pos, GB_INTEGER line; GB_INTEGER col)

	GB.ReturnInteger(TEXTAREA->toPosition(VARG(line),VARG(col)));

END_METHOD


BEGIN_METHOD(CTEXTAREA_to_line, GB_INTEGER pos)

	GB.ReturnInteger(TEXTAREA->toLine(VARG(pos)));

END_METHOD


BEGIN_METHOD(CTEXTAREA_to_col, GB_INTEGER pos)

	GB.ReturnInteger(TEXTAREA->toColumn(VARG(pos)));

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_copy)

	TEXTAREA->copy();

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_cut)

	TEXTAREA->cut();

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_paste)

	TEXTAREA->paste();

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_ensure_visible)

	TEXTAREA->ensureVisible();

END_METHOD


BEGIN_PROPERTY(CTEXTAREA_scrollbar)

	if (READ_PROPERTY)
		GB.ReturnInteger(TEXTAREA->scrollBar());
	else
		TEXTAREA->setScrollBar(VPROP(GB_INTEGER));

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_undo)

	TEXTAREA->undo();

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_redo)

	TEXTAREA->redo();

END_METHOD


BEGIN_METHOD_VOID(CTEXTAREA_selected)

	GB.ReturnBoolean(TEXTAREA->isSelected());

END_METHOD


BEGIN_PROPERTY(TextArea_Alignment)

	if (READ_PROPERTY)
		GB.ReturnInteger(WIDGET->alignment());
	else
		WIDGET->setAlignment(VPROP(GB_INTEGER));

END_PROPERTY


BEGIN_METHOD(TextArea_CursorAt, GB_INTEGER pos)

	int x, y;
	WIDGET->getCursorPos(&x, &y, VARGOPT(pos, -1));
	GB.ReturnObject(GEOM.CreatePoint(x, y));

END_PROPERTY

GB_DESC CTextAreaSelectionDesc[] =
{
	GB_DECLARE(".TextArea.Selection", 0), GB_VIRTUAL_CLASS(),

	GB_PROPERTY("Text", "s", CTEXTAREA_sel_text),
	GB_PROPERTY_READ("Length", "i", CTEXTAREA_sel_length),
	GB_PROPERTY_READ("Start", "i", CTEXTAREA_sel_start),
	GB_PROPERTY_READ("Pos", "i", CTEXTAREA_sel_start),

	GB_METHOD("Hide", 0, CTEXTAREA_sel_clear, 0),

	GB_END_DECLARE
};

GB_DESC CTextAreaDesc[] =
{
	GB_DECLARE("TextArea", sizeof(CTEXTAREA)), GB_INHERITS("Control"),

	GB_METHOD("_new", 0, CTEXTAREA_new, "(Parent)Container;"),

	GB_PROPERTY("Text", "s", CTEXTAREA_text),
	GB_PROPERTY_READ("Length", "i", CTEXTAREA_length),
	GB_PROPERTY("ReadOnly", "b", CTEXTAREA_read_only),

	GB_PROPERTY("ScrollBar", "i{Scroll}", CTEXTAREA_scrollbar),
	GB_PROPERTY("Wrap", "b", CTEXTAREA_wrap),
	GB_PROPERTY("Border", "b", CTEXTAREA_border),
	GB_PROPERTY("Alignment", "i{AlignHorizontal}", TextArea_Alignment),

	GB_PROPERTY("Line", "i", CTEXTAREA_line),
	GB_PROPERTY("Column", "i", CTEXTAREA_column),
	GB_PROPERTY("Pos", "i", CTEXTAREA_pos),

	GB_PROPERTY_SELF("Selection", ".TextArea.Selection"),
	GB_METHOD("Select", NULL, CTEXTAREA_sel_select, "[(Start)i(Length)i]"),
	GB_METHOD("SelectAll", NULL, CTEXTAREA_sel_all, NULL),
	GB_METHOD("Unselect", NULL, CTEXTAREA_sel_clear, NULL),
	GB_PROPERTY_READ("Selected", "b", CTEXTAREA_selected),

	GB_METHOD("Clear", NULL, CTEXTAREA_clear, NULL),
	GB_METHOD("Insert", NULL, CTEXTAREA_insert, "(Text)s"),

	GB_METHOD("Copy", NULL, CTEXTAREA_copy, NULL),
	GB_METHOD("Cut", NULL, CTEXTAREA_cut, NULL),
	GB_METHOD("Paste", NULL, CTEXTAREA_paste, NULL),
	GB_METHOD("Undo", NULL, CTEXTAREA_undo, NULL),
	GB_METHOD("Redo", NULL, CTEXTAREA_redo, NULL),

	GB_METHOD("ToPos", "i", CTEXTAREA_to_pos, "(Line)i(Column)i"),
	GB_METHOD("ToLine", "i", CTEXTAREA_to_line, "(Pos)i"),
	GB_METHOD("ToColumn", "i", CTEXTAREA_to_col, "(Pos)i"),

	GB_METHOD("EnsureVisible", NULL, CTEXTAREA_ensure_visible, NULL),
	
	GB_METHOD("CursorAt", "Point", TextArea_CursorAt, "[(Pos)i]"),
	
	GB_EVENT("Change", NULL, NULL, &EVENT_Change),
	GB_EVENT("Cursor", NULL, NULL, &EVENT_Cursor),
	
	TEXTAREA_DESCRIPTION,

	GB_END_DECLARE
};

#if 0
/** TextEdit ***************************************************************/

BEGIN_METHOD(CTEXTEDIT_new, GB_OBJECT parent)

	InitControl(new gTextArea(CONTAINER(VARG(parent))), (CWIDGET*)THIS);
	WIDGET->setWrap(true);

END_METHOD

BEGIN_PROPERTY(CTEXTEDIT_scroll_x)

	if (READ_PROPERTY)
		GB.ReturnInteger(WIDGET->scrollX());
	else
		WIDGET->setScrollX(VPROP(GB_INTEGER));

END_PROPERTY

BEGIN_PROPERTY(CTEXTEDIT_scroll_y)

	if (READ_PROPERTY)
		GB.ReturnInteger(WIDGET->scrollY());
	else
		WIDGET->setScrollY(VPROP(GB_INTEGER));
		
END_PROPERTY

BEGIN_PROPERTY(CTEXTEDIT_text_width)

	GB.ReturnInteger(WIDGET->textWidth());

END_PROPERTY

BEGIN_PROPERTY(CTEXTEDIT_text_height)

	GB.ReturnInteger(WIDGET->textHeight());

END_PROPERTY

BEGIN_PROPERTY(CTEXTEDIT_format_alignment)

END_PROPERTY

BEGIN_PROPERTY(CTEXTEDIT_format_font)

END_PROPERTY

BEGIN_PROPERTY(CTEXTEDIT_format_color)

END_PROPERTY


GB_DESC CTextEditFormatDesc[] =
{
	GB_DECLARE(".TextEditFormat", 0), GB_VIRTUAL_CLASS(),

	GB_PROPERTY("Alignment", "i", CTEXTEDIT_format_alignment),
	//GB_PROPERTY("Position", "i", CTEXTEDIT_format_position),
	GB_PROPERTY("Font", "Font", CTEXTEDIT_format_font),
	GB_PROPERTY("Color", "i", CTEXTEDIT_format_color),
		
	GB_END_DECLARE
};

GB_DESC CTextEditSelectionDesc[] =
{
	GB_DECLARE(".TextEditSelection", 0), GB_VIRTUAL_CLASS(),

	GB_PROPERTY("Text", "s", CTEXTAREA_sel_text),
	GB_PROPERTY_READ("Length", "i", CTEXTAREA_sel_length),
	GB_PROPERTY_READ("Start", "i", CTEXTAREA_sel_start),
	GB_METHOD("Hide", NULL, CTEXTAREA_sel_clear, NULL),

	GB_END_DECLARE
};


GB_DESC CTextEditDesc[] =
{
	GB_DECLARE("TextEdit", sizeof(CTEXTAREA)), GB_INHERITS("Control"),

	GB_METHOD("_new", NULL, CTEXTEDIT_new, "(Parent)Container;"),

	GB_PROPERTY("ReadOnly", "b", CTEXTAREA_read_only),
	
	GB_METHOD("Clear", NULL, CTEXTAREA_clear, NULL),

	GB_PROPERTY("Text", "s", CTEXTAREA_text),
	GB_METHOD("Insert", NULL, CTEXTAREA_insert, "(Text)s"),

	GB_PROPERTY("Paragraph", "i", CTEXTAREA_line),
	GB_PROPERTY("Index", "i", CTEXTAREA_column),
	GB_PROPERTY("Pos", "i", CTEXTAREA_pos),

	GB_METHOD("ToPos", "i", CTEXTAREA_to_pos, "(Paragraph)i(Index)i"),
	GB_METHOD("ToParagraph", "i", CTEXTAREA_to_line, "(Pos)i"),
	GB_METHOD("ToIndex", "i", CTEXTAREA_to_col, "(Pos)i"),

	GB_METHOD("EnsureVisible", NULL, CTEXTAREA_ensure_visible, NULL),

	GB_PROPERTY_SELF("Selection", ".TextEditSelection"),
	GB_METHOD("Select", NULL, CTEXTAREA_sel_select, "[(Start)i(Length)i]"),
	GB_METHOD("SelectAll", NULL, CTEXTAREA_sel_all, NULL),
	GB_METHOD("Unselect", NULL, CTEXTAREA_sel_clear, NULL),
	GB_PROPERTY_READ("Selected", "b", CTEXTAREA_selected),
	
	GB_METHOD("Copy", NULL, CTEXTAREA_copy, NULL),
	GB_METHOD("Cut", NULL, CTEXTAREA_cut, NULL),
	GB_METHOD("Paste", NULL, CTEXTAREA_paste, NULL),
	GB_METHOD("Undo", NULL, CTEXTAREA_undo, NULL),
	GB_METHOD("Redo", NULL, CTEXTAREA_redo, NULL),  
	
	GB_PROPERTY("Border", "b", CTEXTAREA_border),
	GB_PROPERTY("ScrollBar", "i", CTEXTAREA_scrollbar),

	GB_PROPERTY("ScrollX", "i", CTEXTEDIT_scroll_x),
	GB_PROPERTY("ScrollY", "i", CTEXTEDIT_scroll_y),
	
	GB_PROPERTY("TextWidth", "i", CTEXTEDIT_text_width),
	GB_PROPERTY("TextHeight", "i", CTEXTEDIT_text_height),

	GB_PROPERTY_SELF("Format", ".TextEditFormat"),
	
	GB_EVENT("Change", NULL, NULL, &EVENT_Change),
	GB_EVENT("Cursor", NULL, NULL, &EVENT_Cursor),
	GB_EVENT("Link", NULL, "(Path)s", &EVENT_Link),

	TEXTEDIT_DESCRIPTION,

	GB_END_DECLARE
};

#endif
