Example #1
0
    def yview(self, *args):
        ## callback for vertscrollbar_command
        # args can be ('scroll', number, type) where type is page or unit
        # or ('moveto', '0.2854982')
        #print args
        if args[0] == "scroll":
            # ('scroll', '1', 'pages') when click on back of bar
            # ('scroll', '1', 'units') when click on bar arrow
            self.yview_scroll(args[1], args[2])
        else:
            # ('moveto', '0.350939') when dragging bar
            percent = float(args[1])
            line = int(self.nbLines * float(percent))
            #print 'GAGA', line, self.firstVisibleNodeLineNum
            if self.firstVisibleNodeLineNum != line:
                v = self.scrollView(line - self.firstVisibleNodeLineNum)
                if v:
                    # compute percentage of motion
                    total = self.nbLines + (self.headerHeight /
                                            float(self.nodeHeight))
                    percent = self.firstVisibleNodeLineNum / total
                    ScrolledCanvas.yview_moveto(self, percent)
                    self.redraw()

        self.redrawHeader(args)
Example #2
0
    def yview(self, *args):
        ## callback for vertscrollbar_command
        # args can be ('scroll', number, type) where type is page or unit
        # or ('moveto', '0.2854982')
        #print args
        if args[0] == "scroll":
            # ('scroll', '1', 'pages') when click on back of bar
            # ('scroll', '1', 'units') when click on bar arrow
            self.yview_scroll(args[1], args[2])
        else:
            # ('moveto', '0.350939') when dragging bar
            percent = float(args[1])
            line = int(self.nbLines * float(percent))
            #print 'GAGA', line, self.firstVisibleNodeLineNum
            if self.firstVisibleNodeLineNum != line:
                v = self.scrollView(line - self.firstVisibleNodeLineNum)
                if v:
                    # compute percentage of motion
                    total = self.nbLines+(self.headerHeight/float(self.nodeHeight))
                    percent = self.firstVisibleNodeLineNum/total
                    ScrolledCanvas.yview_moveto(self, percent)
                    self.redraw()

        self.redrawHeader(args)