--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/common/menu.c Sun Jan 21 16:30:18 2024 +0100
@@ -0,0 +1,259 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2023 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "menu.h"
+
+#include <stdarg.h>
+#include <string.h>
+
+#include <cx/linked_list.h>
+#include <cx/array_list.h>
+
+static UiMenu *menus_begin;
+static UiMenu *menus_end;
+static CxList *current;
+
+static void add_menu(UiMenu *menu) {
+ cx_linked_list_add(
+ (void**)&menus_begin,
+ (void**)&menus_end,
+ offsetof(UiMenu, item.prev),
+ offsetof(UiMenu, item.next),
+ menu);
+}
+
+static void add_item(UiMenuItemI *item) {
+ UiMenu *menu = cxListAt(current, 0);
+ cx_linked_list_add(
+ (void**)&menu->items_begin,
+ (void**)&menu->items_end,
+ offsetof(UiMenu, item.prev),
+ offsetof(UiMenu, item.next),
+ item);
+}
+
+static char* nl_strdup(const char* s) {
+ return s ? strdup(s) : NULL;
+}
+
+static int* copy_groups(int* groups, size_t *ngroups) {
+ *ngroups = 0;
+ if (!groups) {
+ return NULL;
+ }
+
+ size_t n;
+ for (n = 0; groups[n] > -1; n++) { }
+
+ if (ngroups > 0) {
+ int* newarray = calloc(n, sizeof(int));
+ memcpy(newarray, groups, n);
+ *ngroups = n;
+ return newarray;
+ }
+ return NULL;
+}
+
+void ui_menu_create(const char *label) {
+ if(!current) {
+ current = cxLinkedListCreate(cxDefaultAllocator, NULL, CX_STORE_POINTERS);
+ }
+
+ // create menu
+ UiMenu *menu = malloc(sizeof(UiMenu));
+ menu->item.prev = NULL;
+ menu->item.next = NULL;
+ menu->item.type = UI_MENU;
+
+ menu->label = label;
+ menu->items_begin = NULL;
+ menu->items_end = NULL;
+ menu->parent = NULL;
+
+ menu->end = 0;
+
+ if (current->size == 0) {
+ add_menu(menu);
+ }
+ else {
+ add_item((UiMenuItemI*)menu);
+ }
+ uic_add_menu_to_stack(menu);
+}
+
+UIEXPORT void ui_menu_end(void) {
+ cxListRemove(current, 0);
+}
+
+
+
+void ui_menuitem_create(UiMenuItemArgs args) {
+ if (!current) {
+ return; // error?
+ }
+
+ UiMenuItem* item = malloc(sizeof(UiMenuItem));
+ item->item.prev = NULL;
+ item->item.next = NULL;
+ item->item.type = UI_MENU_ITEM;
+
+ item->label = nl_strdup(args.label);
+ item->stockid = nl_strdup(args.stockid);
+ item->icon = nl_strdup(args.icon);
+ item->userdata = args.onclickdata;
+ item->callback = args.onclick;
+ item->groups = copy_groups(args.groups, &item->ngroups);
+
+ add_item((UiMenuItemI*)item);
+}
+
+void ui_menuseparator() {
+ if(!current) {
+ return;
+ }
+
+ UiMenuItemI *item = malloc(sizeof(UiMenuItemI));
+ item->prev = NULL;
+ item->next = NULL;
+ item->type = UI_MENU_SEPARATOR;
+
+ add_item((UiMenuItemI*)item);
+}
+
+void ui_menu_toggleitem_create(UiMenuToggleItemArgs args) {
+ if(!current) {
+ return;
+ }
+
+ UiMenuCheckItem *item = malloc(sizeof(UiMenuCheckItem));
+ item->item.prev = NULL;
+ item->item.next = NULL;
+ item->item.type = UI_MENU_CHECK_ITEM;
+
+ item->label = nl_strdup(args.label);
+ item->stockid = nl_strdup(args.stockid);
+ item->icon = nl_strdup(args.icon);
+ item->varname = nl_strdup(args.varname);
+ item->userdata = args.onchangedata;
+ item->callback = args.onchange;
+ item->groups = copy_groups(args.groups, &item->ngroups);
+
+ add_item((UiMenuItemI*)item);
+}
+
+void ui_menu_radioitem_create(UiMenuToggleItemArgs args) {
+ if (!current) {
+ return;
+ }
+
+ UiMenuCheckItem* item = malloc(sizeof(UiMenuCheckItem));
+ item->item.prev = NULL;
+ item->item.next = NULL;
+ item->item.type = UI_MENU_CHECK_ITEM;
+
+ item->label = nl_strdup(args.label);
+ item->stockid = nl_strdup(args.stockid);
+ item->icon = nl_strdup(args.icon);
+ item->varname = nl_strdup(args.varname);
+ item->userdata = args.onchangedata;
+ item->callback = args.onchange;
+ item->groups = copy_groups(args.groups, &item->ngroups);
+
+ add_item((UiMenuItemI*)item);
+}
+
+void ui_menu_itemlist_create(UiMenuItemListArgs args) {
+ if(!current) {
+ return;
+ }
+
+ UiMenuItemList*item = malloc(sizeof(UiMenuItemList));
+ item->item.prev = NULL;
+ item->item.next = NULL;
+ item->item.type = UI_MENU_ITEM_LIST;
+ item->callback = args.onselect;
+ item->userdata = args.onselectdata;
+ item->varname = nl_strdup(args.varname);
+
+ add_item((UiMenuItemI*)item);
+}
+
+void ui_menu_checkitemlist_create(UiMenuItemListArgs args) {
+ if (!current) {
+ return;
+ }
+
+ UiMenuItemList* item = malloc(sizeof(UiMenuItemList));
+ item->item.prev = NULL;
+ item->item.next = NULL;
+ item->item.type = UI_MENU_ITEM_LIST;
+ item->callback = args.onselect;
+ item->userdata = args.onselectdata;
+ item->varname = nl_strdup(args.varname);
+
+ add_item((UiMenuItemI*)item);
+}
+
+void ui_menu_radioitemlist_create(UiMenuItemListArgs args) {
+ if (!current) {
+ return;
+ }
+
+ UiMenuItemList* item = malloc(sizeof(UiMenuItemList));
+ item->item.prev = NULL;
+ item->item.next = NULL;
+ item->item.type = UI_MENU_ITEM_LIST;
+ item->callback = args.onselect;
+ item->userdata = args.onselectdata;
+ item->varname = nl_strdup(args.varname);
+
+ add_item((UiMenuItemI*)item);
+}
+
+
+void uic_add_menu_to_stack(UiMenu* menu) {
+ cxListInsert(current, 0, menu);
+}
+
+UiMenu* uic_get_menu_list(void) {
+ return menus_begin;
+}
+
+UIEXPORT void ui_menu_close(void) {
+ UiMenu* menu = cxListAt(current, 0);
+ menu->end = 1;
+}
+
+UIEXPORT int ui_menu_is_open(void) {
+ UiMenu* menu = cxListAt(current, 0);
+ if (menu->end) {
+ ui_menu_end();
+ return 0;
+ }
+ return 1;
+}