X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=menu.c;h=a7fbbecb9994adf74de10743749855f1b8d6d121;hb=6eb3a028f4d79ee91e9d94e9c02932f280cd0ac8;hp=67ca8e20073a8ba60750d38f8bafe19e833ead7c;hpb=8b6f14fe02e0bb9a851cf0e134fc109f311c2e4d;p=taskasaur.git

diff --git a/menu.c b/menu.c
index 67ca8e2..a7fbbec 100644
--- a/menu.c
+++ b/menu.c
@@ -17,7 +17,9 @@
 #define MAX_CONTENTS_LENGTH 256
 
 typedef struct MenuItem {
-    char* contents;
+    char* title;
+    char* description;
+    void* userdata;
 } MenuItem;
 
 typedef struct Menu {
@@ -31,23 +33,50 @@ typedef struct Menu {
     WINDOW* sub_win;
     int max_height;
     int max_width;
+    void* userdata;
 } 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);
+
+/* prob temp for now */
+MenuItem* create_blank_menuitem(void);
+
+/* rendering stuff */
+int render_item(Menu* menu, int item_index, int start_y);
+int item_height(MenuItem* menuitem);
+int items_visible(Menu* menu);
 
 MenuItem*
-create_menuitem(char* contents)
+create_menuitem(char* title)
 {
     MenuItem* new_menuitem;
+    TodoItem* new_userdata;
 
     new_menuitem = malloc(sizeof(MenuItem));
-    new_menuitem->contents = contents;
+    new_menuitem->title = title;
+    new_menuitem->description = strdup(""); //TEMP FOR NOW
+
+    new_userdata = malloc(sizeof(TodoItem));
+    new_userdata->item_name = title;
+    new_userdata->description = strdup("");
+    new_userdata->due = strdup("");
+    new_userdata->subtask_list = malloc(0);
+    new_userdata->subtask_count = 0;
+    
+    new_menuitem->userdata = new_userdata;
 
     return new_menuitem;
 }
 
+MenuItem*
+create_blank_menuitem(void)
+{
+    return create_menuitem(strdup(""));
+}
+
 Menu* 
 create_menu(char* menu_name, MenuItem** item_list)
 {
@@ -65,6 +94,71 @@ create_menu(char* menu_name, MenuItem** item_list)
     return new_menu;
 }
 
+/* getters */
+WINDOW*
+get_menu_win(Menu* menu)
+{
+    return menu->menu_win;
+}
+
+WINDOW*
+get_menu_subwin(Menu* menu)
+{
+    return menu->sub_win;
+}
+
+MenuItem*
+get_menu_item(Menu* menu, int index)
+{
+    if (index < 0 || index >= menu->menu_length) return NULL;
+
+    return menu->menu_items[index];
+}
+
+int
+get_selected_item(Menu* menu)
+{
+    return menu->selected_item;
+}
+
+int
+get_menu_length(Menu* menu)
+{
+    return menu->menu_length;
+}
+
+char*
+get_menu_name(Menu* menu)
+{
+    return menu->menu_name;
+}
+
+void*
+get_menu_userdata(Menu* menu)
+{
+    return menu->userdata;
+}
+
+char*
+get_menuitem_title(MenuItem* menuitem)
+{
+    return menuitem->title;
+}
+
+char*
+get_menuitem_descrip(MenuItem* menuitem)
+{
+    return menuitem->description;
+}
+
+void*
+get_menuitem_userdata(MenuItem* menuitem)
+{
+    return menuitem->userdata;
+}
+
+
+/* setters */
 int
 set_menu_win(Menu* menu, WINDOW* win)
 {
@@ -87,48 +181,46 @@ set_menu_win(Menu* menu, WINDOW* win)
     return 0;
 }
 
-MenuItem*
-get_menu_items(Menu* menu)
+int
+set_selected_item(Menu* menu, int selected_item)
 {
-    return NULL;
+    menu->selected_item = selected_item;
+    return 0;
 }
 
 int
 set_menu_focus(Menu* menu, bool focus)
 {
     menu->focused = focus;
-    
     return 0;
 }
 
 int
-get_selected_item(Menu* menu)
+set_menu_userdata(Menu* menu, void* userdata)
 {
-    return menu->selected_item;
+    menu->userdata = userdata;
+    return 0;
 }
 
 int
-set_selected_item(Menu* menu, int selected_item)
+set_menuitem_descrip(MenuItem* menuitem, char* descrip)
 {
-    menu->selected_item = selected_item;
-
+    menuitem->description = descrip;
     return 0;
 }
 
 int
-get_menu_length(Menu* menu)
+set_menuitem_userdata(MenuItem* menuitem, void* userdata)
 {
-    return menu->menu_length;
+    menuitem->userdata = userdata;
+    return 0;
 }
 
+
 int
 swap_item(Menu* menu, int src_index, int dest_index)
 {
-    MenuItem* temp;
-
-    temp = menu->menu_items[dest_index];
-    menu->menu_items[dest_index] = menu->menu_items[src_index];
-    menu->menu_items[src_index] = temp;
+    ar_swap_item((void**)menu->menu_items, src_index, dest_index);
 
     return 0;
 }
@@ -138,10 +230,9 @@ 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*);
-
-    /* might break if last item? */
-    memmove(menu->menu_items[index], menu->menu_items[index+1], temp_size);
+    for (int i = index; i <= menu->menu_length-1; i++) {
+        menu->menu_items[i] = menu->menu_items[i+1];
+    }
 
     menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*)); 
     menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
@@ -157,25 +248,17 @@ delete_item(Menu* menu, int index)
 }
 
 int 
-insert_item(Menu* menu, int index)
+insert_item(Menu* menu, MenuItem* menuitem, 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("lmao");
-
-    new_menuitem = create_menuitem(new_content);
-
     /* resize array and insert */
     menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
 
-    int temp_size = menu->menu_length-index*sizeof(MenuItem*);
-    memmove(menu->menu_items[index], menu->menu_items[index+1], temp_size);
+    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[index] = menuitem;
     menu->menu_items[menu->menu_length+1] = 0; // remember null at end   
     menu->menu_length += 1;
 
@@ -185,6 +268,36 @@ insert_item(Menu* menu, int index)
     return 0;
 }
 
+int
+menu_insert_mode(Menu* menu, int insert_index)
+{
+    char temp[MAX_CONTENTS_LENGTH+1]; // remember null
+    char* new_contents;
+
+    curs_on();
+
+    /* move cursor to right spot */
+    ungetstr(menu->menu_items[insert_index]->title);
+    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]->title = new_contents;
+
+    /* delete if empty - maybe move this to a cleanup stage */
+    if (strlen(new_contents) == 0) {
+        delete_item(menu, insert_index);
+    }
+
+    return 0;
+}
+
 int
 menu_driver(Menu* menu, MenuAction action)
 {
@@ -220,15 +333,25 @@ menu_driver(Menu* menu, MenuAction action)
 
         case MENU_DELETE:
             delete_item(menu, menu->selected_item);
-            wclear(menu->sub_win);
             break;
 
         case MENU_APPEND:
-            /* curs_on(); */
-            /* curs_off(); */
-            /* insert_item(menu, menu->selected_item); */
-            insert_item(menu, 0);
-            wclear(menu->sub_win);
+            insert_item(menu, create_blank_menuitem(), menu->menu_length);
+            menu_insert_mode(menu, menu->selected_item);
+            break;
+
+        case MENU_INSERT_ABOVE:
+            insert_item(menu, create_blank_menuitem(), menu->selected_item);
+            menu_insert_mode(menu, menu->selected_item);
+            break;
+
+        case MENU_INSERT_BELOW:
+            insert_item(menu, create_blank_menuitem(), menu->selected_item+1);
+            menu_insert_mode(menu, menu->selected_item); // inserted item is cur now
+            break;
+
+        case MENU_EDIT:
+            menu_insert_mode(menu, menu->selected_item);
             break;
 
         default: // This is here for debug, disable later
@@ -242,9 +365,7 @@ int
 render_menu(Menu* menu)
 {
     /* draw outer menu (prob dont need this every render) */ 
-    int menu_header_color;
-
-    /* menu_header_color = */ 
+    /* wclear(menu->menu_win); */
     wattron(menu->menu_win, COLOR_PAIR(
         (menu->focused == true) ?
         TS_MENU_SELECTED: TS_MENU_NONSELECTED       
@@ -252,28 +373,28 @@ render_menu(Menu* menu)
     mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
     wattroff(menu->menu_win, COLOR_PAIR(0));
 
-    /* draw inner menu */
-    int cur_line = 0;
-    for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
+    /* char buf[20]; */
+    /* sprintf(buf, "%d", items_visible(menu)); */
+    /* mvprintw(20, 20, buf); */
 
-        int wrapped_lines;
-        char* wrapped_text;
-        
-        /* 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); 
+    /* calculate scroll */
+    int visible;
 
-        /* color selected item */
-        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));
+    visible = items_visible(menu);
 
-        cur_line += wrapped_lines;
+    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;
+    }
 
-        free(wrapped_text);
+    /* draw inner menu */
+    wclear(menu->sub_win);
 
+    int curline = 0;
+    for (int i = menu->scroll_offset; i < menu->menu_length; i++) {
+        curline += render_item(menu, i, curline);
     }
 
     wrefresh(menu->sub_win);
@@ -282,6 +403,62 @@ render_menu(Menu* menu)
     return 0;
 }
 
+int
+render_item(Menu* menu, int item_index, int start_y)
+{
+    MenuItem* curitem;
+    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
+    ));
+    mvwprintw(menu->sub_win, start_y, 0, curitem->title);
+    wattroff(menu->sub_win, COLOR_PAIR(0));
+
+    /* display number of items */
+    if (strlen(curitem->description) > 0) {
+        mvwprintw(menu->sub_win, start_y+1, 0, curitem->description); 
+    }
+
+    return item_height(curitem);
+}
+
+int
+item_height(MenuItem* menuitem)
+{
+    int lines;
+
+    lines = 1;
+    if (strlen(menuitem->description) > 0) {
+        lines += 1;
+    }
+
+    return lines;
+}
+
+int
+items_visible(Menu* menu)
+{
+    int maxheight;
+    int maxwidth; // unused
+
+    getmaxyx(menu->sub_win, maxheight, maxwidth);
+
+    int i = menu->scroll_offset;
+    int lines = 0;
+    for (; i < menu->menu_length; i++) {
+
+        lines += item_height(menu->menu_items[i]);
+
+        if (lines >= maxheight) break;
+
+    }
+
+    return i;
+}
+
 int
 free_menu(Menu* menu)
 {