How to use the checklist.checkwindow function in checklist

if mx in range(mmx+60, mmx+60+22) and my in range(90, 90+22):
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#e47649"))
                    widget.window.draw_rectangle(xgc, True, mmx+60, 90, 22, 22)
                    
                    # TOOLTIP
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#aaa"))   
                    widget.window.draw_rectangle(xgc, True, mx+20, my+5, 200, 20)
                    ctx.set_font_size(15)
                    ctx.set_source_rgb(0,0,0)
                    ctx.move_to( mx+30, my+20)
                    ctx.show_text("ITEM'S CHECKLIST")
                    ctx.set_source_rgb(1,1,1)
                    
                    if "GDK_BUTTON1" in str(fx) and self.allowed and "GDK_BUTTON1" not in str(self.mpf) and win.is_active():
                        
                        checklist.checkwindow(pf=self.pf, title=self.screen.name, FILE=self.screen.path+"/asset.progress")
                    
                    
                widget.window.draw_pixbuf(None, self.checklisticon, 0, 0, mmx+60, 90, -1, -1, gtk.gdk.RGB_DITHER_NONE, 0, 0)
                
                
                
                
                # edit preview
                #mouse over
                if mx in range(mmx+60, mmx+60+22) and my in range(80+mmy-27, 80+mmy-27+22):
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#e47649"))
                    widget.window.draw_rectangle(xgc, True, mmx+60, 80+mmy-27, 22, 22)
                    
                    # TOOLTIP
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#aaa"))   
                    widget.window.draw_rectangle(xgc, True, mx+20, my+5, 200, 20)

xgc.set_rgb_fg_color(gtk.gdk.color_parse("#2c2c2c"))
                    widget.window.draw_rectangle(xgc, True, xpos, ypos, 5, 5 )
            
                
                ctx.select_font_face("Monospace", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL)
                
                
                
                if mx in range(xpos-1, xpos+10) and my in range(ypos, ypos+10):
                    
                    if "GDK_BUTTON1" in str(fx) and "GDK_BUTTON1" not in str(self.mpf) and win.is_active(): ## IF CLICKED
                        
                        if taskfile == "project.progress":
                            checklist.checkwindow(pf=self.pf, title="[ "+taskstring[taskstring.rfind("/")+1:]+" ] in ", FILE=taskfile, highlight=rawline)
                        else:
                            checklist.checkwindow(pf=self.pf, title="[ "+taskstring[taskstring.rfind("/")+1:]+" ] in ", FILE=self.pf+taskfile, highlight=rawline)
                    
                    istx = xpos
                    isty = len(taskstring)*9+5
                    if len(taskfile)*6+2 > isty:
                        isty = len(taskfile)*6+2
                    
                    if istx + len(taskstring)*9+5 > w:
                        istx = w-(len(taskstring)*9+5)
                    if istx + len(taskfile)*6 > w:
                        istx = w-len(taskfile)*6
                    
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#e47649"))
                    widget.window.draw_rectangle(xgc, True, xpos-1, ypos, 10, 10 )
                    
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#5c5c5c"))
                    widget.window.draw_rectangle(xgc, True, istx, ypos-80, isty, 40 )

else:
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#2c2c2c"))
                    widget.window.draw_rectangle(xgc, True, xpos, ypos, 5, 5 )
            
                
                ctx.select_font_face("Monospace", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL)
                
                
                
                if mx in range(xpos-1, xpos+10) and my in range(ypos, ypos+10):
                    
                    if "GDK_BUTTON1" in str(fx) and "GDK_BUTTON1" not in str(self.mpf) and win.is_active(): ## IF CLICKED
                        
                        if taskfile == "project.progress":
                            checklist.checkwindow(pf=self.pf, title="[ "+taskstring[taskstring.rfind("/")+1:]+" ] in ", FILE=taskfile, highlight=rawline)
                        else:
                            checklist.checkwindow(pf=self.pf, title="[ "+taskstring[taskstring.rfind("/")+1:]+" ] in ", FILE=self.pf+taskfile, highlight=rawline)
                    
                    istx = xpos
                    isty = len(taskstring)*9+5
                    if len(taskfile)*6+2 > isty:
                        isty = len(taskfile)*6+2
                    
                    if istx + len(taskstring)*9+5 > w:
                        istx = w-(len(taskstring)*9+5)
                    if istx + len(taskfile)*6 > w:
                        istx = w-len(taskfile)*6
                    
                    xgc.set_rgb_fg_color(gtk.gdk.color_parse("#e47649"))
                    widget.window.draw_rectangle(xgc, True, xpos-1, ypos, 10, 10 )