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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 The ScummVM project
*
* 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
* of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#include "stdafx.h"
#include "EditTextWidget.h"
#include "dialog.h"
#include "newgui.h"
EditTextWidget::EditTextWidget(Dialog *boss, int x, int y, int w, int h, const String &text)
: StaticTextWidget(boss, x, y-1, w, h+2, text, kTextAlignLeft), _backupString(text)
{
_flags = WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE;
_type = kEditTextWidget;
_caretVisible = false;
_caretTime = 0;
}
void EditTextWidget::handleTickle()
{
uint32 time = _boss->getGui()->get_time();
if (_caretTime < time) {
_caretTime = time + kCaretBlinkTime;
if (_caretVisible) {
drawCaret(true);
} else {
drawCaret(false);
}
}
}
void EditTextWidget::handleMouseDown(int x, int y, int button, int clickCount)
{
// TODO - once we support "real editing" (i.e. caret can be at any spot),
// a mouse click should place the caret.
}
bool EditTextWidget::handleKeyDown(uint16 ascii, int keycode, int modifiers)
{
bool handled = true;
bool dirty = false;
// First remove caret
if (_caretVisible)
drawCaret(true);
switch (keycode) {
case '\n': // enter/return
case '\r':
_boss->releaseFocus();
dirty = true;
break;
case 27: // escape
_label = _backupString;
_boss->releaseFocus();
dirty = true;
break;
case 8: // backspace
_label.deleteLastChar();
dirty = true;
break;
case 256+20: // left arrow
break;
case 256+19: // right arrow
break;
case 256+22: // home
break;
case 256+23: // end
break;
default:
if (isprint((char)ascii)) {
_label += (char)ascii;
dirty = true;
} else {
handled = false;
}
}
if (dirty)
draw();
return handled;
}
void EditTextWidget::drawWidget(bool hilite)
{
NewGui *gui = _boss->getGui();
// Draw a thin frame around us.
gui->hline(_x, _y, _x+_w-1, gui->_color);
gui->hline(_x, _y+_h-1, _x+_w-1, gui->_shadowcolor);
gui->vline(_x, _y, _y+_h-1, gui->_color);
gui->vline(_x+_w-1, _y, _y+_h-1, gui->_shadowcolor);
// Draw the text
_align = (gui->getStringWidth(_label) > _w-6) ? kTextAlignRight : kTextAlignLeft;
gui->drawString(_label, _x+2, _y+3, _w-6, gui->_textcolor, _align);
}
void EditTextWidget::drawCaret(bool erase)
{
// Only draw if item is visible
if (!isVisible() || !_boss->isVisible())
return;
NewGui *gui = _boss->getGui();
int16 color = erase ? gui->_bgcolor : gui->_textcolorhi;
int x = _x + _boss->getX() + 3;
int y = _y + _boss->getY() + 1;
// TODO - once we support "real editing" (i.e. caret can be at any spot),
// x should be calculated based on the current caret position.
int width = gui->getStringWidth(_label);
if (width > _w-6)
width = _w-6;
x += width;
gui->vline(x, y, y+kLineHeight, color);
gui->addDirtyRect(x, y, 2, kLineHeight);
_caretVisible = !erase;
}
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