comparison hgext/histedit.py @ 42234:c4a50e863ee2

histedit: Speed up scrolling in patch view mode

Store patchcontents into the mode state, avoiding the expensive
call to ui for computing the patchcontents.

Before this change in large repos histedit patch view mode can
be very irresponsive.

42233:4ad191041be2

    state['modes'][MODE_PATCH]['line_offset'] = 0

def changemode(state, mode):
    curmode, _ = state['mode']
    state['mode'] = (mode, curmode)

def makeselection(state, pos):
    state['selected'] = pos

def swap(state, oldpos, newpos):

    changesets). 'delta' is an amount (+/- 1) and 'unit' is 'page' or 'line'.'''
    mode, _ = state['mode']
    if mode != MODE_PATCH:
        return
    mode_state = state['modes'][mode]
    num_lines = len(patchcontents(state))
    page_height = state['page_height']
    unit = page_height if unit == 'page' else 1
    num_pages = 1 + (num_lines - 1) / page_height
    max_offset = (num_pages - 1) * page_height
    newline = mode_state['line_offset'] + delta * unit

                win.addstr(y, 0, line)
        win.noutrefresh()

    def renderpatch(win, state):
        start = state['modes'][MODE_PATCH]['line_offset']
        renderstring(win, state, patchcontents(state)[start:], diffcolors=True)

    def layout(mode):
        maxy, maxx = stdscr.getmaxyx()
        helplen = len(helplines(mode))
        return {

42234:c4a50e863ee2

    state['modes'][MODE_PATCH]['line_offset'] = 0

def changemode(state, mode):
    curmode, _ = state['mode']
    state['mode'] = (mode, curmode)
    if mode == MODE_PATCH:
        state['modes'][MODE_PATCH]['patchcontents'] = patchcontents(state)

def makeselection(state, pos):
    state['selected'] = pos

def swap(state, oldpos, newpos):

    changesets). 'delta' is an amount (+/- 1) and 'unit' is 'page' or 'line'.'''
    mode, _ = state['mode']
    if mode != MODE_PATCH:
        return
    mode_state = state['modes'][mode]
    num_lines = len(mode_state['patchcontents'])
    page_height = state['page_height']
    unit = page_height if unit == 'page' else 1
    num_pages = 1 + (num_lines - 1) / page_height
    max_offset = (num_pages - 1) * page_height
    newline = mode_state['line_offset'] + delta * unit

                win.addstr(y, 0, line)
        win.noutrefresh()

    def renderpatch(win, state):
        start = state['modes'][MODE_PATCH]['line_offset']
        content = state['modes'][MODE_PATCH]['patchcontents']
        renderstring(win, state, content[start:], diffcolors=True)

    def layout(mode):
        maxy, maxx = stdscr.getmaxyx()
        helplen = len(helplines(mode))
        return {