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Add actions imitating L/M/H in vi

This commit is contained in:
Přemysl Eric Janouch 2019-09-27 21:08:12 +02:00
parent 296c0cc66f
commit 2c847fb4a3
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 15 additions and 2 deletions
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17
sdn.cpp
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@ -386,7 +386,8 @@ enum { ALT = 1 << 24, SYM = 1 << 25 }; // Outside the range of Unicode
#define ACTIONS(XX) XX(NONE) XX(HELP) XX(QUIT) XX(QUIT_NO_CHDIR) \
XX(CHOOSE) XX(CHOOSE_FULL) XX(VIEW) XX(EDIT) XX(SORT_LEFT) XX(SORT_RIGHT) \
XX(UP) XX(DOWN) XX(TOP) XX(BOTTOM) XX(PAGE_PREVIOUS) XX(PAGE_NEXT) \
XX(UP) XX(DOWN) XX(TOP) XX(BOTTOM) XX(HIGH) XX(MIDDLE) XX(LOW) \
XX(PAGE_PREVIOUS) XX(PAGE_NEXT) \
XX(SCROLL_UP) XX(SCROLL_DOWN) XX(CHDIR) XX(GO_START) XX(GO_HOME) \
XX(SEARCH) XX(RENAME) XX(RENAME_PREFILL) \
XX(TOGGLE_FULL) XX(REVERSE_SORT) XX(SHOW_HIDDEN) XX(REDRAW) XX(RELOAD) \
@ -412,6 +413,7 @@ static map<wint_t, action> g_normal_actions {
{'j', ACTION_DOWN}, {CTRL 'n', ACTION_DOWN}, {KEY (DOWN), ACTION_DOWN},
{'g', ACTION_TOP}, {ALT | '<', ACTION_TOP}, {KEY (HOME), ACTION_TOP},
{'G', ACTION_BOTTOM}, {ALT | '>', ACTION_BOTTOM}, {KEY(END), ACTION_BOTTOM},
{'H', ACTION_HIGH}, {'M', ACTION_MIDDLE}, {'L', ACTION_LOW},
{KEY (PPAGE), ACTION_PAGE_PREVIOUS}, {KEY (NPAGE), ACTION_PAGE_NEXT},
{CTRL 'y', ACTION_SCROLL_UP}, {CTRL 'e', ACTION_SCROLL_DOWN},
{'c', ACTION_CHDIR}, {'&', ACTION_GO_START}, {'~', ACTION_GO_HOME},
@ -922,7 +924,7 @@ fun fix_cursor_and_offset () {
int pushable = visible_lines () - (int (g.entries.size ()) - g.offset);
g.offset -= max (pushable, 0);
// Make sure cursor is visible
// Make sure the cursor is visible
g.offset = max (g.offset, 0);
g.offset = min (g.offset, int (g.entries.size ()) - 1);
@ -1165,6 +1167,17 @@ fun handle (wint_t c) -> bool {
g.cursor = int (g.entries.size ()) - 1;
break;
case ACTION_HIGH:
g.cursor = g.offset;
break;
case ACTION_MIDDLE:
g.cursor = g.offset + (min (int (g.entries.size ()) - g.offset,
visible_lines ()) - 1) / 2;
break;
case ACTION_LOW:
g.cursor = g.offset + visible_lines () - 1;
break;
case ACTION_PAGE_PREVIOUS:
g.cursor -= LINES;
break;