scroll.py

import cudatext as ct
import cudatext_cmd as ct_cmd


def show_caret(e):
    e.cmd(ct_cmd.cCommand_GotoScreenTop)


class ScrollSplittedTab:
    keep_caret_visible = False

    def __init__(self, name):
        self.name = name
        self.tab_id = set()

    def toggle(self, on=True):
        if on:
            ev = 'on_tab_change,on_state,on_caret,on_change_slow'
            if ct.ed.get_prop(ct.PROP_TAB_ID) in self.tab_id:
                ev = 'on_scroll,on_tab_change,on_state,on_caret,on_change_slow'
        else:
            ev = 'on_state,on_caret,on_change_slow'
        ct.app_proc(ct.PROC_SET_EVENTS, self.name+';'+ev+';;')

    def on_scroll(self, ed_self):
        if ed_self.get_prop(ct.PROP_SPLIT)[0] == '-':
            return

        pos_v = ed_self.get_prop(ct.PROP_SCROLL_VERT_SMOOTH)
        pos_h = ed_self.get_prop(ct.PROP_SCROLL_HORZ_SMOOTH)

        hndl_self = ed_self.get_prop(ct.PROP_HANDLE_SELF)
        hndl_primary = ed_self.get_prop(ct.PROP_HANDLE_PRIMARY)
        hndl_secondary = ed_self.get_prop(ct.PROP_HANDLE_SECONDARY)
        if hndl_self == hndl_primary:
            hndl_opposit = hndl_secondary
        else:
            hndl_opposit = hndl_primary
        e = ct.Editor(hndl_opposit)

        e.set_prop(ct.PROP_SCROLL_VERT_SMOOTH, pos_v)
        e.set_prop(ct.PROP_SCROLL_HORZ_SMOOTH, pos_h)

        e.cmd(ct_cmd.cmd_RepaintEditor)