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