#include "headers/utils.h"
#define MENU_PAD_TOP 2
-#define MENU_PAD_BOTTOM 1
+#define MENU_PAD_BOTTOM 2
#define MENU_PAD_LEFT 2
#define MENU_PAD_RIGHT 1
/* rendering stuff */
int render_item(Menu* menu, int item_index, int start_y);
int item_height(MenuItem* menuitem);
-int items_visible(Menu* menu);
+int items_visible(Menu* menu, int offset);
+int items_visible_rev(Menu* menu, int offset);
MenuItem*
create_menuitem(char* title)
{
char temp[MAX_CONTENTS_LENGTH+1]; // remember null
char* new_contents;
+ int insert_pos;
curs_on();
+ // account for multiline items
+ insert_pos = menu->scroll_offset;
+ for (int i = 0; i < insert_index; i++) {
+ insert_pos += item_height(menu->menu_items[i]);
+ }
+
/* move cursor to right spot */
ungetstr(menu->menu_items[insert_index]->title);
mvwgetnstr(menu->sub_win,
- insert_index, // account for wrap later too
+ insert_pos,
0,
temp,
MAX_CONTENTS_LENGTH
case MENU_APPEND:
insert_item(menu, create_blank_menuitem(), menu->menu_length);
+ render_menu(menu); // refresh after inserting
menu_insert_mode(menu, menu->selected_item);
break;
case MENU_INSERT_ABOVE:
insert_item(menu, create_blank_menuitem(), menu->selected_item);
+ render_menu(menu);
menu_insert_mode(menu, menu->selected_item);
break;
case MENU_INSERT_BELOW:
insert_item(menu, create_blank_menuitem(), menu->selected_item+1);
+ render_menu(menu);
menu_insert_mode(menu, menu->selected_item); // inserted item is cur now
break;
{
/* draw outer menu (prob dont need this every render) */
/* wclear(menu->menu_win); */
- wattron(menu->menu_win, COLOR_PAIR(
- (menu->focused == true) ?
- TS_MENU_SELECTED: TS_MENU_NONSELECTED
- ));
+ int titlecolor;
+ titlecolor = COLOR_PAIR((menu->focused == true) ? TS_MENU_SELECTED: TS_MENU_NONSELECTED);
+ wattron(menu->menu_win, titlecolor);
mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
- wattroff(menu->menu_win, COLOR_PAIR(0));
+ wattroff(menu->menu_win, titlecolor);
- /* char buf[20]; */
- /* sprintf(buf, "%d", items_visible(menu)); */
- /* mvprintw(20, 20, buf); */
+ /* draw inner menu */
+ wclear(menu->sub_win);
/* calculate scroll */
int visible;
- visible = items_visible(menu);
+ visible = items_visible(menu, menu->scroll_offset);
+
+ if (menu->selected_item >= menu->scroll_offset+visible) {
+ menu->scroll_offset = clamp(
+ menu->selected_item-items_visible_rev(menu, menu->selected_item)+1,
+ 0,
+ floorzero(menu->menu_length-1)
+ );
- if (menu->selected_item > menu->scroll_offset+visible) {
- // may be dangerous, assumes render after every action
- menu->scroll_offset += 1;
} else if (menu->selected_item < menu->scroll_offset) {
- menu->scroll_offset -= 1;
+ menu->scroll_offset = clamp(
+ menu->selected_item,
+ 0,
+ floorzero(menu->menu_length-1)
+ );
}
- /* draw inner menu */
- wclear(menu->sub_win);
+ /* char abuf[20]; */
+ /* int y; */
+ /* int x; */
+ /* getmaxyx(menu->sub_win, y, x); */
+ /* sprintf(abuf, "%d,%d,%d max:%d,%d", menu->selected_item, visible, menu->scroll_offset,y,x); */
+ /* mvprintw(19, 27, abuf); */
int curline = 0;
for (int i = menu->scroll_offset; i < menu->menu_length; i++) {
render_item(Menu* menu, int item_index, int start_y)
{
MenuItem* curitem;
+ int hlcolor;
curitem = menu->menu_items[item_index];
/* color selected item */
- wattron(menu->sub_win, COLOR_PAIR(
- (item_index == menu->selected_item && menu->focused == true) ?
- TS_SELECTED : TS_NONSELECTED
- ));
+ hlcolor = COLOR_PAIR((item_index == menu->selected_item && menu->focused == true) ? TS_SELECTED : TS_NONSELECTED);
+ wattron(menu->sub_win, hlcolor);
mvwprintw(menu->sub_win, start_y, 0, curitem->title);
- wattroff(menu->sub_win, COLOR_PAIR(0));
+ wattroff(menu->sub_win, hlcolor);
/* display number of items */
if (strlen(curitem->description) > 0) {
}
int
-items_visible(Menu* menu)
+items_visible(Menu* menu, int offset)
{
int maxheight;
int maxwidth; // unused
getmaxyx(menu->sub_win, maxheight, maxwidth);
- int i = menu->scroll_offset;
+ int vis = 0;
int lines = 0;
- for (; i < menu->menu_length; i++) {
+ for (int i = offset ; i < menu->menu_length; i++) {
lines += item_height(menu->menu_items[i]);
+ if (lines > maxheight) break;
+ vis += 1;
+
+ }
+
+ return vis;
+}
- if (lines >= maxheight) break;
+int
+items_visible_rev(Menu* menu, int offset)
+{
+ int maxheight;
+ int maxwidth; // unused
+
+ getmaxyx(menu->sub_win, maxheight, maxwidth);
+
+ int vis = 0;
+ int lines = 0;
+ for (int i = offset; i > 0; i--) {
+
+ lines += item_height(menu->menu_items[i]);
+ if (lines > maxheight) break;
+ vis +=1;
}
- return i;
+ return vis;
}
int