[tig PATCH v2 1/2] Popup menu
Make the menu into a popup window that complements the status prompt.
Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
---
tig.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 113 insertions(+), 2 deletions(-)
diff --git a/tig.c b/tig.c
index 20a40b9..9b9c34b 100644
--- a/tig.c
+++ b/tig.c
@@ -6542,6 +6542,98 @@ utf8_length(const char **start, size_t skip, int *width, size_t max_width, int *
return string - *start;
}
+/*
+ * Popup management
+ */
+
+struct popup {
+ WINDOW *win;
+ int width;
+ bool hotkeys;
+ int selected;
+};
+
+static struct popup menu;
+
+
+static void
+menu_popup(void)
+{
+ wnoutrefresh(menu.win);
+}
+
+static void
+menu_popdown(void)
+{
+ delwin(menu.win);
+ menu.win = NULL;
+ redraw_display(FALSE);
+}
+
+static void
+menu_create(int height, int width, const char* title, bool hotkeys)
+{
+ WINDOW *win;
+ int ymax, xmax, top, left;
+ enum line_type type = LINE_TITLE_FOCUS;
+
+ getmaxyx(stdscr, ymax, xmax);
+ top = (ymax - height)/2;
+ left = (xmax - width)/2;
+ if (top < 0)
+ top = 0;
+ if (left < 0)
+ left = 0;
+
+ win = newwin(height, width, top, left);
+ wbkgd(win, COLOR_PAIR(type));
+
+ box(win, 0, 0);
+ wattrset(win, get_line_attr(type));
+ mvwprintw(win, 0, (width-strlen(title))/2, " %s ", title);
+
+ menu.win = win;
+ menu.width = width;
+ menu.hotkeys = hotkeys;
+ menu.selected = -1;
+}
+
+static void
+menu_set_line_attr(int index, enum line_type type)
+{
+ WINDOW *win = menu.win;
+ int width = menu.width-2;
+ mvwchgat(win, index+1, 1, width,
+ get_line_attr(type), type, NULL);
+}
+
+static void
+menu_putline(int index, const struct menu_item *item)
+{
+ WINDOW *win = menu.win;
+ bool hotkeys = menu.hotkeys;
+ if (hotkeys) {
+ if (item->hotkey)
+ mvwprintw(win, index+1, 2, "[%c] %s", (char) item->hotkey, item->text);
+ else
+ mvwprintw(win, index+1, 6, "%s", item->text);
+ } else {
+ mvwprintw(win, index+1, 2, "%s", item->text);
+ }
+}
+
+static void
+menu_select(int index)
+{
+ if (menu.selected >= 0) {
+ menu_set_line_attr(menu.selected, LINE_TITLE_FOCUS);
+ }
+ if (index >= 0) {
+ menu_set_line_attr(index, LINE_CURSOR);
+ }
+ menu.selected = index;
+ menu_popup();
+}
/*
* Status management
@@ -6836,14 +6928,30 @@ static bool prompt_menu(const char *prompt, const struct menu_item *items, int *
{
enum input_status status = INPUT_OK;
int size = 0;
+ int width = strlen(prompt+2);
+ bool hotkeys = false;
+ int i;
- while (items[size].text)
+ while (items[size].text) {
+ int w = strlen(items[size].text);
+ if (w > width)
+ width = w;
+ if (items[size].hotkey)
+ hotkeys = true;
size++;
+ }
+ /* padding */
+ width += hotkeys ? 8 : 4;
+
+ menu_create(size+2, width, prompt, hotkeys);
+ for (i=0; i < size; ++i)
+ menu_putline(i, &items[i]);
+ menu_popup();
+
while (status == INPUT_OK) {
const struct menu_item *item = &items[*selected];
int key;
- int i;
mvwprintw(status_win, 0, 0, "%s (%d of %d) ",
prompt, *selected + 1, size);
@@ -6851,6 +6959,7 @@ static bool prompt_menu(const char *prompt, const struct menu_item *items, int *
wprintw(status_win, "[%c] ", (char) item->hotkey);
wprintw(status_win, "%s", item->text);
wclrtoeol(status_win);
+ menu_select(*selected);
key = get_input(COLS - 1);
switch (key) {
@@ -6886,6 +6995,8 @@ static bool prompt_menu(const char *prompt, const struct menu_item *items, int *
}
}
+ menu_popdown();
+
/* Clear the status window */
status_empty = FALSE;
report("");
--
1.6.2.rc1.258.g1d592.dirty
Giuseppe Bilotta <giuseppe.bilotta@gmail.com>