ui/common/types.c

Sun, 06 Apr 2014 13:21:37 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 06 Apr 2014 13:21:37 +0200
changeset 28
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parent 16
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child 39
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permissions
-rw-r--r--

added open/save dialogs

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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 2014 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 <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include "../../ucx/list.h"
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33 #include "types.h"
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34
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35 UiObserver* ui_observer_new(ui_callback f, void *data) {
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36 UiObserver *observer = malloc(sizeof(UiObserver));
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37 observer->callback = f;
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38 observer->data = data;
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39 observer->next = NULL;
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40 return observer;
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41 }
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42
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43 UiObserver* ui_obsvlist_add(UiObserver *list, UiObserver *observer) {
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44 if(!list) {
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45 return observer;
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46 } else {
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47 UiObserver *l = list;
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48 while(l->next) {
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49 l = l->next;
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50 }
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51 l->next = observer;
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52 return list;
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53 }
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54 }
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55
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56 UiObserver* ui_add_observer(UiObserver *list, ui_callback f, void *data) {
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57 UiObserver *observer = ui_observer_new(f, data);
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58 return ui_obsvlist_add(list, observer);
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59 }
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60
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61 void ui_notify(UiObserver *observer, void *data) {
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62 ui_notify_except(observer, NULL, data);
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63 }
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64
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65 void ui_notify_except(UiObserver *observer, UiObserver *exc, void *data) {
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66 while(observer) {
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67 if(observer != exc) {
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68 UiEvent evt;
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69 evt.obj = NULL;
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70 evt.window = NULL;
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71 evt.document = NULL;
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72 evt.eventdata = data;
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73 evt.intval = 0;
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74 observer->callback(&evt, observer->data);
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75 }
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76 observer = observer->next;
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77 }
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78 }
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79
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80 /* --------------------------- UiList --------------------------- */
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81
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82 UiList* ui_list_new() {
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83 UiList *list = malloc(sizeof(UiList));
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84 list->first = ui_list_first;
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85 list->next = ui_list_next;
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86 list->get = ui_list_get;
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87 list->count = ui_list_count;
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88 list->observers = NULL;
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89
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90 list->data = NULL;
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91 list->iter = NULL;
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92
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93 return list;
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94 }
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95
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96 void ui_list_free(UiList *list) {
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97 ucx_list_free(list->data);
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98 free(list);
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99 }
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100
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101 void* ui_list_first(UiList *list) {
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102 UcxList *elm = list->data;
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103 list->iter = elm;
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104 return elm ? elm->data : NULL;
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105 }
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106
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107 void* ui_list_next(UiList *list) {
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108 UcxList *elm = list->iter;
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109 if(elm) {
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110 elm = elm->next;
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111 if(elm) {
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112 list->iter = elm;
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113 return elm->data;
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114 }
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115 }
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116 return NULL;
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117 }
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118
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119 void* ui_list_get(UiList *list, int i) {
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120 UcxList *elm = ucx_list_get(list->data, i);
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121 if(elm) {
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122 list->iter = elm;
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123 return elm->data;
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124 } else {
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125 return NULL;
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126 }
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127 }
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128
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129 int ui_list_count(UiList *list) {
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130 UcxList *elm = list->data;
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131 return (int)ucx_list_size(elm);
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132 }
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133
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134 void ui_list_append(UiList *list, void *data) {
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135 list->data = ucx_list_append(list->data, data);
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136 }
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137
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138 void ui_list_prepend(UiList *list, void *data) {
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139 list->data = ucx_list_prepend(list->data, data);
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140 }
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141
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142 void ui_list_addobsv(UiList *list, ui_callback f, void *data) {
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143 list->observers = ui_add_observer(list->observers, f, data);
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144 }
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145
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
146 void ui_list_notify(UiList *list) {
e2fd132ab781 added menu item lists (Cocoa implementation)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
147 ui_notify(list->observers, list);
e2fd132ab781 added menu item lists (Cocoa implementation)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
148 }

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