X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=menu.c;h=eb6d7dcbc769ea16f70ef1fa79ff8af715b5d069;hb=b20271f7814ad6f40a62bed60a8ff00348b5c05c;hp=5016dcc49af3319b36f6e57d4eb78648d6cb7c30;hpb=676735938747a951747af87ce2e6789553dc83b2;p=taskasaur.git diff --git a/menu.c b/menu.c index 5016dcc..eb6d7dc 100644 --- a/menu.c +++ b/menu.c @@ -2,27 +2,43 @@ #include #include #include +#include #include #include "headers/menu.h" #include "headers/render.h" #include "headers/utils.h" +#define MENU_PAD_TOP 2 +#define MENU_PAD_BOTTOM 1 +#define MENU_PAD_LEFT 2 +#define MENU_PAD_RIGHT 1 + +#define MAX_CONTENTS_LENGTH 256 + typedef struct MenuItem { char* contents; } MenuItem; typedef struct Menu { + char* menu_name; MenuItem** menu_items; int menu_length; int selected_item; + int scroll_offset; + bool focused; WINDOW* menu_win; + WINDOW* sub_win; int max_height; int max_width; } Menu; int swap_item(Menu* menu, int src_index, int dest_index); int delete_item(Menu* menu, int index); +int insert_item(Menu* menu, int index); + +/* insert mode */ +int menu_insert_mode(Menu* menu, int insert_index); MenuItem* create_menuitem(char* contents) @@ -36,14 +52,17 @@ create_menuitem(char* contents) } Menu* -create_menu(MenuItem** item_list) +create_menu(char* menu_name, MenuItem** item_list) { Menu* new_menu; new_menu = malloc(sizeof(Menu)); + new_menu->menu_name = menu_name; new_menu->menu_items = item_list; new_menu->menu_length = array_length(MenuItem*, item_list); new_menu->selected_item = 0; + new_menu->scroll_offset = 0; + new_menu->focused = false; set_menu_win(new_menu, stdscr); return new_menu; @@ -52,8 +71,21 @@ create_menu(MenuItem** item_list) int set_menu_win(Menu* menu, WINDOW* win) { + int height, width; + menu->menu_win = win; - getmaxyx(menu->menu_win, menu->max_height, menu->max_width); + getmaxyx(menu->menu_win, height, width); + + /* create a subwin (also prob free old subwin?) */ + menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM; + menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT; + menu->sub_win = derwin( + menu->menu_win, + menu->max_height, + menu->max_width, + MENU_PAD_TOP, + MENU_PAD_LEFT + ); return 0; } @@ -64,6 +96,34 @@ get_menu_items(Menu* menu) return NULL; } +int +set_menu_focus(Menu* menu, bool focus) +{ + menu->focused = focus; + + return 0; +} + +int +get_selected_item(Menu* menu) +{ + return menu->selected_item; +} + +int +set_selected_item(Menu* menu, int selected_item) +{ + menu->selected_item = selected_item; + + return 0; +} + +int +get_menu_length(Menu* menu) +{ + return menu->menu_length; +} + int swap_item(Menu* menu, int src_index, int dest_index) { @@ -82,11 +142,9 @@ delete_item(Menu* menu, int index) if (index < 0 || index > menu->menu_length-1) return -1; int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*); - MenuItem* temp[temp_size]; /* might break if last item? */ - memcpy(temp, menu->menu_items[index+1], temp_size); - memcpy(menu->menu_items[index], temp, temp_size); + memmove(menu->menu_items[index], menu->menu_items[index+1], temp_size); menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*)); menu->menu_items[menu->menu_length-1] = 0; // preserve null at end @@ -101,6 +159,65 @@ delete_item(Menu* menu, int index) return 0; } +int +insert_item(Menu* menu, int index) +{ // note, this func does not validate index + + char* new_content; + MenuItem* new_menuitem; + + // remember null char + /* new_content = malloc((MAX_CONTENTS_LENGTH+1)*sizeof(char)); */ + new_content = strdup(""); + + new_menuitem = create_menuitem(new_content); + + /* resize array and insert */ + menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*)); + + for (int i = menu->menu_length; i > index; i--) { + menu->menu_items[i] = menu->menu_items[i-1]; + } + + menu->menu_items[index] = new_menuitem; + menu->menu_items[menu->menu_length+1] = 0; // remember null at end + menu->menu_length += 1; + + /* move cursor pos */ + menu->selected_item = index; + + return 0; +} + +int +menu_insert_mode(Menu* menu, int insert_index) +{ + char temp[MAX_CONTENTS_LENGTH+1]; // remember null + char* new_contents; + + /* this is bad */ + wclear(menu->sub_win); + render_menu(menu); + + curs_on(); + + /* move cursor to right spot */ + ungetstr(menu->menu_items[insert_index]->contents); + mvwgetnstr(menu->sub_win, + insert_index, // account for wrap later too + 0, + temp, + MAX_CONTENTS_LENGTH + ); + curs_off(); + + /* copy out */ + new_contents = strdup(temp); + menu->menu_items[insert_index]->contents = new_contents; + + return 0; +} + int menu_driver(Menu* menu, MenuAction action) { @@ -136,7 +253,28 @@ menu_driver(Menu* menu, MenuAction action) case MENU_DELETE: delete_item(menu, menu->selected_item); - wclear(menu->menu_win); + wclear(menu->sub_win); + break; + + case MENU_APPEND: + insert_item(menu, menu->menu_length); + wclear(menu->sub_win); + break; + + case MENU_INSERT_ABOVE: + ; + int insert_ind = menu->selected_item; + insert_item(menu, insert_ind); + menu_insert_mode(menu, insert_ind); + + break; + + case MENU_INSERT_BELOW: + insert_item(menu, + (menu->selected_item >= menu->menu_length-1) ? menu->menu_length : menu->selected_item+1 + ); + wclear(menu->sub_win); + break; default: // This is here for debug, disable later @@ -149,25 +287,34 @@ menu_driver(Menu* menu, MenuAction action) int render_menu(Menu* menu) { - int cur_line; + /* draw outer menu (prob dont need this every render) */ + int menu_header_color; - cur_line = 0; + /* menu_header_color = */ + wattron(menu->menu_win, COLOR_PAIR( + (menu->focused == true) ? + TS_MENU_SELECTED: TS_MENU_NONSELECTED + )); + mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name); + wattroff(menu->menu_win, COLOR_PAIR(0)); - for (int i = 0; i < menu->menu_length; i++) { + /* draw inner menu */ + int cur_line = 0; + for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) { int wrapped_lines; char* wrapped_text; - int text_color; - /* wrap text by inserting newlines */ - wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width, &wrapped_lines); + /* wrap text by inserting newlines (maxwidth-1 for newline char)*/ + wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width-1, &wrapped_lines); /* color selected item */ - text_color = (i == menu->selected_item) ? TS_SELECTED : TS_NONSELECTED; - - wattron(menu->menu_win, COLOR_PAIR(text_color)); - mvwprintw(menu->menu_win, cur_line, 0, wrapped_text); - wattroff(menu->menu_win, COLOR_PAIR(text_color)); + wattron(menu->sub_win, COLOR_PAIR( + (i == menu->selected_item && menu->focused == true) ? + TS_SELECTED : TS_NONSELECTED + )); + mvwprintw(menu->sub_win, cur_line, 0, wrapped_text); + wattroff(menu->sub_win, COLOR_PAIR(0)); cur_line += wrapped_lines; @@ -175,6 +322,9 @@ render_menu(Menu* menu) } + wrefresh(menu->sub_win); + wrefresh(menu->menu_win); + return 0; }