Class: SvgWindow

Inherits:
Qt::ScrollArea
  • Object
show all
Defined in:
ext/ruby/qtruby/examples/painting/svgviewer/svgwindow.rb

Constant Summary collapse

Native = 
0
OpenGL = 
1
Image = 
2

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SvgWindow

Returns a new instance of SvgWindow.



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# File 'ext/ruby/qtruby/examples/painting/svgviewer/svgwindow.rb', line 34

def initialize()
    super()
    view = Qt::Widget.new(self)
       @mousePressPos = Qt::Point.new
       @scrollBarValuesOnMousePress = Qt::Point.new
    @renderer = Native
    setWidget(view)
end

Instance Method Details

#mouseMoveEvent(event) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/painting/svgviewer/svgwindow.rb', line 70

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

#mousePressEvent(event) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/painting/svgviewer/svgwindow.rb', line 63

def mousePressEvent(event)
    @mousePressPos = event.pos
    @scrollBarValuesOnMousePress.rx = horizontalScrollBar.value
    @scrollBarValuesOnMousePress.ry = verticalScrollBar.value
    event.accept
end

#mouseReleaseEvent(event) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/painting/svgviewer/svgwindow.rb', line 83

def mouseReleaseEvent(event)
    @mousePressPos = Qt::Point.new
    event.accept
end

#openFile(file) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/painting/svgviewer/svgwindow.rb', line 43

def openFile(file)
    @currentPath = file
    self.renderer = @renderer
end

#renderer=(type = Native) ⇒ Object 



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# File 'ext/ruby/qtruby/examples/painting/svgviewer/svgwindow.rb', line 48

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