[PATCH] chistedit: add basic colours to diff view
Jordi Gutiérrez Hermoso
jordigh at octave.org
Thu Apr 4 03:56:28 UTC 2019
# HG changeset patch
# User Jordi Gutiérrez Hermoso <jordigh at octave.org>
# Date 1554350103 14400
# Wed Apr 03 23:55:03 2019 -0400
# Node ID d0a4c3ae200ffdfc247f5e2f1897196512615087
# Parent 4ee906aa7b60fb6b113e4dc187fbb5a8f42e557c
chistedit: add basic colours to diff view
This isn't complete, and it would be nice to show the exact same
colours that `hg diff` would show. That goal is too lofty, so this
just shows some basic colours, on the premise that a little is better
than nothing.
diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -964,6 +964,7 @@ ACTION_LABELS = {
}
COLOR_HELP, COLOR_SELECTED, COLOR_OK, COLOR_WARN, COLOR_CURRENT = 1, 2, 3, 4, 5
+COLOR_DIFF_ADD_LINE, COLOR_DIFF_DEL_LINE, COLOR_DIFF_OFFSET = 6, 7, 8
E_QUIT, E_HISTEDIT = 1, 2
E_PAGEDOWN, E_PAGEUP, E_LINEUP, E_LINEDOWN, E_RESIZE = 3, 4, 5, 6, 7
@@ -1244,6 +1245,9 @@ def _chisteditmain(repo, rules, stdscr):
curses.init_pair(COLOR_WARN, curses.COLOR_BLACK, curses.COLOR_YELLOW)
curses.init_pair(COLOR_OK, curses.COLOR_BLACK, curses.COLOR_GREEN)
curses.init_pair(COLOR_CURRENT, curses.COLOR_WHITE, curses.COLOR_MAGENTA)
+ curses.init_pair(COLOR_DIFF_ADD_LINE, curses.COLOR_GREEN, -1)
+ curses.init_pair(COLOR_DIFF_DEL_LINE, curses.COLOR_RED, -1)
+ curses.init_pair(COLOR_DIFF_OFFSET, curses.COLOR_MAGENTA, -1)
# don't display the cursor
try:
@@ -1340,16 +1344,27 @@ pgup/K: move patch up, pgdn/J: move patc
addln(rulesscr, y, 2, rule)
rulesscr.noutrefresh()
- def renderstring(win, state, output):
+ def renderstring(win, state, output, patchcolors=False):
maxy, maxx = win.getmaxyx()
length = min(maxy - 1, len(output))
for y in range(0, length):
- win.addstr(y, 0, output[y])
+ line = output[y]
+ if patchcolors:
+ if line and line[0] == '+':
+ win.addstr(y, 0, line, curses.color_pair(COLOR_DIFF_ADD_LINE))
+ elif line and line[0] == '-':
+ win.addstr(y, 0, line, curses.color_pair(COLOR_DIFF_DEL_LINE))
+ elif line.startswith('@@ '):
+ win.addstr(y, 0, line, curses.color_pair(COLOR_DIFF_OFFSET))
+ else:
+ win.addstr(y, 0, line)
+ else:
+ win.addstr(y, 0, line)
win.noutrefresh()
def renderpatch(win, state):
start = state['modes'][MODE_PATCH]['line_offset']
- renderstring(win, state, patchcontents(state)[start:])
+ renderstring(win, state, patchcontents(state)[start:], patchcolors=True)
def layout(mode):
maxy, maxx = stdscr.getmaxyx()
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