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Merge remote-tracking branch 'laelath/vertical-menu-option'

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This commit is contained in:
Maxime Coste 2018-10-23 20:18:56 +11:00
commit 7c00165c23
1 changed files with 15 additions and 14 deletions
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29
src/ncurses_ui.cc
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@ -740,17 +740,20 @@ void NCursesUI::draw_menu()
const LineCount mark_height = min(div_round_up(sq(win_height), menu_lines),
win_height);
const LineCount top_line = m_menu.first_item / m_menu.columns;
const LineCount mark_line = (win_height - mark_height) * top_line / max(1_line, menu_lines - win_height);
const int menu_cols = div_round_up(item_count, (int)m_menu.size.line);
const int first_col = m_menu.first_item / (int)m_menu.size.line;
const LineCount mark_line = (win_height - mark_height) * first_col / max(1, menu_cols - m_menu.columns);
for (auto line = 0_line; line < win_height; ++line)
{
wmove(m_menu.win, (int)line, 0);
for (int col = 0; col < m_menu.columns; ++col)
{
const int item_idx = (int)(top_line + line) * m_menu.columns
+ col;
int item_idx = (first_col + col) * (int)m_menu.size.line + (int)line;
if (item_idx >= item_count)
break;
continue;
const DisplayLine& item = m_menu.items[item_idx];
draw_line(m_menu.win, item, 0, column_width,
@ -883,15 +886,13 @@ void NCursesUI::menu_select(int selected)
else
{
m_menu.selected_item = selected;
const LineCount win_height = m_menu.size.line;
const LineCount top_line = m_menu.first_item / m_menu.columns;
const LineCount menu_lines = div_round_up(item_count, m_menu.columns);
const LineCount selected_line = m_menu.selected_item / m_menu.columns;
kak_assert(menu_lines >= win_height);
if (selected_line < top_line)
m_menu.first_item = (int)selected_line * m_menu.columns;
if (selected_line >= top_line + win_height)
m_menu.first_item = (int)min(selected_line, menu_lines - win_height) * m_menu.columns;
const int menu_cols = div_round_up(item_count, (int)m_menu.size.line);
const int first_col = m_menu.first_item / (int)m_menu.size.line;
const int selected_col = m_menu.selected_item / (int)m_menu.size.line;
if (selected_col < first_col)
m_menu.first_item = selected_col * (int)m_menu.size.line;
if (selected_col >= first_col + m_menu.columns)
m_menu.first_item = min(selected_col, menu_cols - m_menu.columns) * (int)m_menu.size.line;
}
draw_menu();
}