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Limit number of menu lines by item count

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Limit the number of menu lines visible in line mode if there are less
items than lines. This brings wmenu's behavior in line with dmenu's.

Closes https://codeberg.org/adnano/wmenu/issues/64
This commit is contained in:
adnano 2025-11-18 20:03:22 -05:00
parent 0a38d45abb
commit 8fe04a0c99
4 changed files with 10 additions and 0 deletions
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7
menu.c
View file

@ -155,11 +155,17 @@ void menu_getopts(struct menu *menu, int argc, char *argv[]) {
fprintf(stderr, "%s", usage);
exit(EXIT_FAILURE);
}
}
// Compute menu line height and padding.
void menu_calc_height(struct menu *menu) {
int height = get_font_height(menu->font);
menu->line_height = height + 2;
menu->height = menu->line_height;
if (menu->lines > 0) {
if (menu->item_count < (size_t)menu->lines) {
menu->lines = menu->item_count;
}
menu->height += menu->height * menu->lines;
}
menu->padding = height / 2;
@ -189,6 +195,7 @@ static int compare_items(const void *a, const void *b) {
return strcmp(item_a->text, item_b->text);
}
// Sort and deduplicate menu items.
void menu_sort_and_deduplicate(struct menu *menu) {
size_t j = 1;
size_t i;

1
menu.h
View file

@ -86,6 +86,7 @@ void menu_destroy(struct menu *menu);
void menu_getopts(struct menu *menu, int argc, char *argv[]);
void menu_add_item(struct menu *menu, char *text);
void menu_sort_and_deduplicate(struct menu *menu);
void menu_calc_height(struct menu *menu);
void menu_invalidate(struct menu *menu);
void menu_render_items(struct menu *menu);
void menu_paste(struct menu *menu, const char *text, ssize_t len);

1
wmenu-run.c
View file

@ -72,6 +72,7 @@ int main(int argc, char *argv[]) {
struct menu *menu = menu_create(exec_item);
menu_getopts(menu, argc, argv);
read_items(menu);
menu_calc_height(menu);
int status = menu_run(menu);
menu_destroy(menu);
return status;

1
wmenu.c
View file

@ -29,6 +29,7 @@ int main(int argc, char *argv[]) {
struct menu *menu = menu_create(print_item);
menu_getopts(menu, argc, argv);
read_items(menu);
menu_calc_height(menu);
int status = menu_run(menu);
menu_destroy(menu);
return status;