forked from ryanmelt/qtbindings
/
svgwindow.rb
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/
svgwindow.rb
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=begin
**
** Copyright (C) 2004-2006 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
** this 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
require './svgview.rb'
class SvgWindow < Qt::ScrollArea
Native = 0
OpenGL = 1
Image = 2
def initialize()
super()
view = Qt::Widget.new(self)
@mousePressPos = Qt::Point.new
@scrollBarValuesOnMousePress = Qt::Point.new
@renderer = Native
setWidget(view)
end
def openFile(file)
@currentPath = file
self.renderer = @renderer
end
def renderer=(type = Native)
@renderer = type
if @renderer == OpenGL
view = SvgGLView.new(@currentPath, self)
elsif @renderer == Image
view = SvgRasterView.new(@currentPath, self)
else
view = SvgNativeView.new(@currentPath, self)
end
setWidget(view)
view.show()
end
def mousePressEvent(event)
@mousePressPos = event.pos
@scrollBarValuesOnMousePress.x = horizontalScrollBar.value
@scrollBarValuesOnMousePress.y = verticalScrollBar.value
event.accept
end
def mouseMoveEvent(event)
if @mousePressPos.null?
event.ignore
return
end
horizontalScrollBar.value = @scrollBarValuesOnMousePress.x - event.pos.x + @mousePressPos.x
verticalScrollBar.value = @scrollBarValuesOnMousePress.y - event.pos.y + @mousePressPos.y
horizontalScrollBar.update
verticalScrollBar.update
event.accept
end
def mouseReleaseEvent(event)
@mousePressPos = Qt::Point.new
event.accept
end
end