gtkrend.py 文件源码

def expose_event_cb(self, layout, event):

        style = self.get_style()
        gc = style.fg_gc[gtk.STATE_NORMAL]

        rect = self.get_allocation()

        owidth = rect.width
        oheight = rect.height

        lwidth, lheight = self._vg_layout.getLayoutSize()

        for nid, ninfo in self._vg_graph.getNodes():

            nwidth, nheight = ninfo.get('size', zero_zero)
            if nwidth == 0:
                continue

            xpos, ypos = ninfo.get('position', zero_zero)

            drawx = ((xpos * owidth) / lwidth)
            drawy = (ypos * oheight) / lheight

            sizex = owidth * nwidth / lwidth
            sizey = oheight * nheight / lheight

            colorstr = ninfo.get('color')
            if colorstr == None:
                colorstr = '#0f0'

            color = gtk.gdk.color_parse(colorstr)

            #self.modify_fg(gtk.STATE_NORMAL, color)
            self.window.draw_rectangle(gc, False, drawx, drawy, sizex, sizey)

            #c = self.window.cairo_create()
            #c.set_source_rgb(color.red / float(65535), color.green / float(65535), color.blue / float(65535))
            #c.rectangle(drawx, drawy, sizex, sizey)# event.area.x, event.area.y, event.area.width, event.area.height)
            #c.set_line_width(0.5)
            #c.stroke()