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=begin
**
** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** self file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Translated to QtRuby by Richard Dale
=end
class CharacterWidget < Qt::Widget
slots 'updateFont(const QString&)', 'updateStyle(const QString&)'
signals 'characterSelected(const QString&)'
def initialize(parent = nil)
super(parent)
@lastKey = -1
@displayFont = Qt::Font.new
setMouseTracking(true)
end
def updateFont(fontFamily)
@displayFont.family = fontFamily
@displayFont.pixelSize = 16
update()
end
def updateStyle(fontStyle)
fontDatabase = Qt::FontDatabase.new
@displayFont = fontDatabase.font(@displayFont.family(), fontStyle, 12)
@displayFont.pixelSize = 16
update()
end
def sizeHint()
return Qt::Size.new(32*24, (65536/32)*24)
end
def mouseMoveEvent(event)
widgetPosition = mapFromGlobal(event.globalPos())
key = (widgetPosition.y()/24)*32 + widgetPosition.x()/24
Qt::ToolTip.showText(event.globalPos(), key.to_s, self)
end
def mousePressEvent(event)
if event.button() == Qt::LeftButton
@lastKey = (event.y()/24)*32 + event.x()/24
if Qt::Char.new(@lastKey).category() != Qt::Char::NoCategory
emit characterSelected(Qt::Char.new(@lastKey).to_s)
end
update()
else
super
end
end
def paintEvent(event)
painter = Qt::Painter.new(self)
painter.fillRect(event.rect(), Qt::Brush.new(Qt::white))
painter.font = @displayFont
redrawRect = event.rect()
beginRow = redrawRect.top()/24
endRow = redrawRect.bottom()/24
beginColumn = redrawRect.left()/24
endColumn = redrawRect.right()/24
painter.pen = Qt::Color.new(Qt::gray)
(beginRow..endRow).each do |row|
(beginColumn..endColumn).each do |column|
painter.drawRect(column*24, row*24, 24, 24)
end
end
fontMetrics = Qt::FontMetrics.new(@displayFont)
painter.pen = Qt::Color.new(Qt::black)
(beginRow..endRow).each do |row|
(beginColumn..endColumn).each do |column|
key = row*32 + column
painter.setClipRect(column*24, row*24, 24, 24)
if key == @lastKey
painter.fillRect(column*24, row*24, 24, 24, Qt::Brush.new(Qt::red))
end
painter.drawText( column*24 + 12 - fontMetrics.width(Qt::Char.new(key))/2,
row*24 + 4 + fontMetrics.ascent(),
Qt::Char.new(key).to_s )
end
end
painter.end
end
end
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