ui/common/menu.c

Sun, 28 Jan 2024 16:31:34 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 28 Jan 2024 16:31:34 +0100
changeset 3
f154867f54dc
parent 0
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child 8
726b24766437
permissions
-rw-r--r--

add nav buttons, update toolkit

0
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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2023 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "menu.h"
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30
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31 #include <stdarg.h>
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32 #include <string.h>
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33
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34 #include <cx/linked_list.h>
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35 #include <cx/array_list.h>
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36
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37 static UiMenu *menus_begin;
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38 static UiMenu *menus_end;
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39 static CxList *current;
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40
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41 static void add_menu(UiMenu *menu) {
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42 cx_linked_list_add(
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43 (void**)&menus_begin,
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44 (void**)&menus_end,
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45 offsetof(UiMenu, item.prev),
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46 offsetof(UiMenu, item.next),
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47 menu);
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48 }
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49
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50 static void add_item(UiMenuItemI *item) {
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51 UiMenu *menu = cxListAt(current, 0);
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52 cx_linked_list_add(
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53 (void**)&menu->items_begin,
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54 (void**)&menu->items_end,
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55 offsetof(UiMenu, item.prev),
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56 offsetof(UiMenu, item.next),
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57 item);
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58 }
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59
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60 static char* nl_strdup(const char* s) {
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61 return s ? strdup(s) : NULL;
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62 }
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63
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64 static int* copy_groups(int* groups, size_t *ngroups) {
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65 *ngroups = 0;
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66 if (!groups) {
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67 return NULL;
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68 }
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69
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70 size_t n;
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71 for (n = 0; groups[n] > -1; n++) { }
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72
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73 if (ngroups > 0) {
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74 int* newarray = calloc(n, sizeof(int));
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75 memcpy(newarray, groups, n);
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76 *ngroups = n;
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77 return newarray;
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78 }
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79 return NULL;
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80 }
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81
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82 void ui_menu_create(const char *label) {
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83 if(!current) {
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84 current = cxLinkedListCreate(cxDefaultAllocator, NULL, CX_STORE_POINTERS);
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85 }
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86
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87 // create menu
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88 UiMenu *menu = malloc(sizeof(UiMenu));
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89 menu->item.prev = NULL;
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90 menu->item.next = NULL;
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91 menu->item.type = UI_MENU;
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92
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93 menu->label = label;
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94 menu->items_begin = NULL;
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95 menu->items_end = NULL;
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96 menu->parent = NULL;
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97
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98 menu->end = 0;
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99
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100 if (current->size == 0) {
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101 add_menu(menu);
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102 }
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103 else {
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104 add_item((UiMenuItemI*)menu);
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105 }
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106 uic_add_menu_to_stack(menu);
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107 }
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108
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109 UIEXPORT void ui_menu_end(void) {
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110 cxListRemove(current, 0);
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111 }
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112
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113
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114
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115 void ui_menuitem_create(UiMenuItemArgs args) {
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116 if (!current) {
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117 return; // error?
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118 }
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119
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120 UiMenuItem* item = malloc(sizeof(UiMenuItem));
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121 item->item.prev = NULL;
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122 item->item.next = NULL;
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123 item->item.type = UI_MENU_ITEM;
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124
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125 item->label = nl_strdup(args.label);
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126 item->stockid = nl_strdup(args.stockid);
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127 item->icon = nl_strdup(args.icon);
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128 item->userdata = args.onclickdata;
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129 item->callback = args.onclick;
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130 item->groups = copy_groups(args.groups, &item->ngroups);
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131
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132 add_item((UiMenuItemI*)item);
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133 }
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134
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135 void ui_menuseparator() {
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136 if(!current) {
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137 return;
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138 }
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139
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140 UiMenuItemI *item = malloc(sizeof(UiMenuItemI));
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141 item->prev = NULL;
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142 item->next = NULL;
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143 item->type = UI_MENU_SEPARATOR;
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144
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145 add_item((UiMenuItemI*)item);
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146 }
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147
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148 void ui_menu_toggleitem_create(UiMenuToggleItemArgs args) {
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149 if(!current) {
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150 return;
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151 }
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152
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153 UiMenuCheckItem *item = malloc(sizeof(UiMenuCheckItem));
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154 item->item.prev = NULL;
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155 item->item.next = NULL;
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156 item->item.type = UI_MENU_CHECK_ITEM;
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157
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158 item->label = nl_strdup(args.label);
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159 item->stockid = nl_strdup(args.stockid);
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160 item->icon = nl_strdup(args.icon);
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161 item->varname = nl_strdup(args.varname);
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162 item->userdata = args.onchangedata;
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163 item->callback = args.onchange;
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164 item->groups = copy_groups(args.groups, &item->ngroups);
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165
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166 add_item((UiMenuItemI*)item);
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167 }
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168
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169 void ui_menu_radioitem_create(UiMenuToggleItemArgs args) {
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170 if (!current) {
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171 return;
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172 }
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173
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174 UiMenuCheckItem* item = malloc(sizeof(UiMenuCheckItem));
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175 item->item.prev = NULL;
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176 item->item.next = NULL;
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177 item->item.type = UI_MENU_CHECK_ITEM;
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178
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179 item->label = nl_strdup(args.label);
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180 item->stockid = nl_strdup(args.stockid);
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181 item->icon = nl_strdup(args.icon);
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182 item->varname = nl_strdup(args.varname);
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183 item->userdata = args.onchangedata;
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184 item->callback = args.onchange;
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185 item->groups = copy_groups(args.groups, &item->ngroups);
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186
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187 add_item((UiMenuItemI*)item);
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188 }
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189
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190 void ui_menu_itemlist_create(UiMenuItemListArgs args) {
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191 if(!current) {
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192 return;
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193 }
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194
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195 UiMenuItemList*item = malloc(sizeof(UiMenuItemList));
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196 item->item.prev = NULL;
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197 item->item.next = NULL;
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198 item->item.type = UI_MENU_ITEM_LIST;
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199 item->callback = args.onselect;
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200 item->userdata = args.onselectdata;
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201 item->varname = nl_strdup(args.varname);
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202
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203 add_item((UiMenuItemI*)item);
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204 }
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205
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206 void ui_menu_checkitemlist_create(UiMenuItemListArgs args) {
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207 if (!current) {
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208 return;
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209 }
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210
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211 UiMenuItemList* item = malloc(sizeof(UiMenuItemList));
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212 item->item.prev = NULL;
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213 item->item.next = NULL;
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214 item->item.type = UI_MENU_CHECKITEM_LIST;
0
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215 item->callback = args.onselect;
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216 item->userdata = args.onselectdata;
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217 item->varname = nl_strdup(args.varname);
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218
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219 add_item((UiMenuItemI*)item);
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220 }
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221
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222 void ui_menu_radioitemlist_create(UiMenuItemListArgs args) {
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223 if (!current) {
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224 return;
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225 }
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226
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227 UiMenuItemList* item = malloc(sizeof(UiMenuItemList));
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228 item->item.prev = NULL;
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229 item->item.next = NULL;
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230 item->item.type = UI_MENU_RADIOITEM_LIST;
0
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231 item->callback = args.onselect;
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232 item->userdata = args.onselectdata;
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233 item->varname = nl_strdup(args.varname);
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234
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235 add_item((UiMenuItemI*)item);
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236 }
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237
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238
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239 void uic_add_menu_to_stack(UiMenu* menu) {
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240 if (!current) {
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241 current = cxLinkedListCreate(cxDefaultAllocator, NULL, CX_STORE_POINTERS);
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242 }
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243
0
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244 cxListInsert(current, 0, menu);
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245 }
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246
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247 UiMenu* uic_get_menu_list(void) {
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248 return menus_begin;
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249 }
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250
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251 UIEXPORT void ui_menu_close(void) {
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252 UiMenu* menu = cxListAt(current, 0);
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253 menu->end = 1;
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254 }
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255
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256 UIEXPORT int ui_menu_is_open(void) {
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257 UiMenu* menu = cxListAt(current, 0);
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258 if (menu->end) {
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259 ui_menu_end();
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260 return 0;
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261 }
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262 return 1;
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263 }

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