core.py 文件源码

def spawn(self, lines, additional_args = [ '-p', ''], width = None):
        (mouse_x, mouse_y) = get_mouse_location()
        if not width:
            width = 100 # some default width
        width = max(width, 101) # width has to be 100 at least (rofi restriction)
        # first, compute the top left corner of the menu
        menu_x = min(max(mouse_x - width/2, self.x), self.x + self.panel_width - width)
        menu_y = self.y
        # then, specify these coordinates relative to the mouse cursor
        menu_x -= mouse_x
        menu_y -= mouse_y
        # compile rofi arguments
        cmd = ['rofi', '-dmenu', '-sep' , '\\0' ]
        cmd += ['-monitor', '-3' ] # position relative to mouse cursor
        cmd += ['-layout', '1' ] # specify top left corner of the menu
        cmd += ['-width', str(width) ]
        cmd += ['-xoffset', str(menu_x), '-yoffset', str(menu_y) ]
        cmd += self.rofi_args
        cmd += additional_args
        rofi = subprocess.Popen(cmd,stdout=subprocess.PIPE,stdin=subprocess.PIPE)
        for i in lines:
            rofi.stdin.write(i.encode('utf-8'))
            rofi.stdin.write(struct.pack('B', 0))
        rofi.stdin.close()
        rofi.wait()