ui/common/context.c

Tue, 06 Feb 2024 14:17:22 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Tue, 06 Feb 2024 14:17:22 +0100
changeset 18
af411868ab9b
parent 8
726b24766437
child 21
3060a5a1d5fd
permissions
-rw-r--r--

implement dnd upload (without progressbar)

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 2017 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 #include <string.h>
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32 #include <inttypes.h>
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33 #include <stdarg.h>
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34
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35 #include <cx/array_list.h>
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36 #include <cx/compare.h>
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37 #include <cx/mempool.h>
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38
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39 #include "context.h"
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40 #include "../ui/window.h"
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41 #include "document.h"
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42 #include "types.h"
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43
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44 static UiContext* global_context;
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45
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46 void uic_init_global_context(void) {
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47 CxMempool *mp = cxBasicMempoolCreate(32);
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48 global_context = uic_context(NULL, mp);
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49 }
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50
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51 UiContext* ui_global_context(void) {
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52 return global_context;
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53 }
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54
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55 UiContext* uic_context(UiObject *toplevel, CxMempool *mp) {
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56 UiContext *ctx = cxMalloc(mp->allocator, sizeof(UiContext));
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57 memset(ctx, 0, sizeof(UiContext));
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58 ctx->mp = mp;
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59 ctx->allocator = mp->allocator;
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60 ctx->obj = toplevel;
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61 ctx->vars = cxHashMapCreate(mp->allocator, CX_STORE_POINTERS, 16);
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62
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63 ctx->documents = cxLinkedListCreate(mp->allocator, cx_cmp_intptr, CX_STORE_POINTERS);
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64 ctx->group_widgets = cxLinkedListCreate(mp->allocator, NULL, sizeof(UiGroupWidget));
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65 ctx->groups = cxArrayListCreate(mp->allocator, cx_cmp_int, sizeof(int), 32);
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66
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67 ctx->attach_document = uic_context_attach_document;
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68 ctx->detach_document2 = uic_context_detach_document2;
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69
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70 #ifdef UI_GTK
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71 if(toplevel && toplevel->widget) {
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72 ctx->accel_group = gtk_accel_group_new();
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73 gtk_window_add_accel_group(GTK_WINDOW(toplevel->widget), ctx->accel_group);
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74 }
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75 #endif
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76
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77 return ctx;
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78 }
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79
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80 UiContext* uic_root_context(UiContext *ctx) {
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81 return ctx->parent ? uic_root_context(ctx->parent) : ctx;
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82 }
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83
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84 void uic_context_attach_document(UiContext *ctx, void *document) {
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85 cxListAdd(ctx->documents, document);
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86 ctx->document = document;
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87
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88 UiContext *doc_ctx = ui_document_context(document);
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89
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90 // check if any parent context has an unbound variable with the same name
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91 // as any document variable
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92 UiContext *var_ctx = ctx;
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93 while(var_ctx) {
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94 if(var_ctx->vars_unbound && var_ctx->vars_unbound->size > 0) {
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95 CxIterator i = cxMapIterator(var_ctx->vars_unbound);
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96 cx_foreach(CxMapEntry*, entry, i) {
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97 UiVar *var = entry->value;
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98 UiVar *docvar = cxMapGet(doc_ctx->vars, *entry->key);
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99 if(docvar) {
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100 // bind var to document var
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101 uic_copy_binding(var, docvar, TRUE);
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102 cxIteratorFlagRemoval(i);
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103 }
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104 }
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105 }
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106
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107 var_ctx = ctx->parent;
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108 }
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109 }
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110
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111 static void uic_context_unbind_vars(UiContext *ctx) {
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112 CxIterator i = cxMapIterator(ctx->vars);
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113 cx_foreach(CxMapEntry*, entry, i) {
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114 UiVar *var = entry->value;
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115 if(var->from && var->from_ctx) {
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116 uic_save_var2(var);
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117 uic_copy_binding(var, var->from, FALSE);
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118 cxMapPut(var->from_ctx->vars_unbound, *entry->key, var->from);
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119 var->from_ctx = ctx;
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120 }
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121 }
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122
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123 if(ctx->documents) {
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124 i = cxListIterator(ctx->documents);
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125 cx_foreach(void *, doc, i) {
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126 UiContext *subctx = ui_document_context(doc);
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127 uic_context_unbind_vars(subctx);
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128 }
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129 }
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130 }
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131
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132 void uic_context_detach_document2(UiContext *ctx, void *document) {
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133 // find the document in the documents list
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134 ssize_t docIndex = cxListFind(ctx->documents, document);
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135 if(docIndex < 0) {
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136 return;
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137 }
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138
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139 cxListRemove(ctx->documents, docIndex);
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140 ctx->document = cxListAt(ctx->documents, 0);
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141
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142 UiContext *docctx = ui_document_context(document);
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143 uic_context_unbind_vars(docctx); // unbind all doc/subdoc vars from the parent
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144 }
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145
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146 void uic_context_detach_all(UiContext *ctx) {
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147 // copy list
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148 CxList *ls = cxLinkedListCreate(cxDefaultAllocator, NULL, CX_STORE_POINTERS);
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149 CxIterator i = cxListIterator(ctx->documents);
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150 cx_foreach(void *, doc, i) {
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151 cxListAdd(ls, doc);
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152 }
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153
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154 // detach documents
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155 i = cxListIterator(ls);
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parents:
diff changeset
156 cx_foreach(void *, doc, i) {
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parents:
diff changeset
157 ctx->detach_document2(ctx, doc);
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parents:
diff changeset
158 }
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parents:
diff changeset
159
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parents:
diff changeset
160 cxListDestroy(ls);
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parents:
diff changeset
161 }
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parents:
diff changeset
162
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parents:
diff changeset
163 static UiVar* ctx_getvar(UiContext *ctx, CxHashKey key) {
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parents:
diff changeset
164 UiVar *var = cxMapGet(ctx->vars, key);
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parents:
diff changeset
165 if(!var) {
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parents:
diff changeset
166 CxIterator i = cxListIterator(ctx->documents);
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parents:
diff changeset
167 cx_foreach(void *, doc, i) {
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parents:
diff changeset
168 UiContext *subctx = ui_document_context(doc);
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diff changeset
169 var = ctx_getvar(subctx, key);
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parents:
diff changeset
170 if(var) {
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parents:
diff changeset
171 break;
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parents:
diff changeset
172 }
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parents:
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173 }
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parents:
diff changeset
174 }
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parents:
diff changeset
175 return var;
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parents:
diff changeset
176 }
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parents:
diff changeset
177
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diff changeset
178 UiVar* uic_get_var(UiContext *ctx, const char *name) {
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179 CxHashKey key = cx_hash_key(name, strlen(name));
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diff changeset
180 return ctx_getvar(ctx, key);
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parents:
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181 }
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parents:
diff changeset
182
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parents:
diff changeset
183 UiVar* uic_create_var(UiContext *ctx, const char *name, UiVarType type) {
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184 UiVar *var = uic_get_var(ctx, name);
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diff changeset
185 if(var) {
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parents:
diff changeset
186 if(var->type == type) {
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parents:
diff changeset
187 return var;
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diff changeset
188 } else {
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parents:
diff changeset
189 fprintf(stderr, "UiError: var '%s' already bound with different type\n", name);
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190 }
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parents:
diff changeset
191 }
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parents:
diff changeset
192
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193 var = ui_malloc(ctx, sizeof(UiVar));
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194 var->type = type;
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diff changeset
195 var->value = uic_create_value(ctx, type);
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diff changeset
196 var->from = NULL;
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diff changeset
197 var->from_ctx = ctx;
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diff changeset
198
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diff changeset
199 cxMempoolRegister(ctx->mp, var, (cx_destructor_func)uic_unbind_var);
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parents:
diff changeset
200
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parents:
diff changeset
201 if(!ctx->vars_unbound) {
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parents:
diff changeset
202 ctx->vars_unbound = cxHashMapCreate(ctx->allocator, CX_STORE_POINTERS, 16);
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parents:
diff changeset
203 }
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parents:
diff changeset
204 cxMapPut(ctx->vars_unbound, name, var);
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parents:
diff changeset
205
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parents:
diff changeset
206 return var;
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parents:
diff changeset
207 }
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parents:
diff changeset
208
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parents:
diff changeset
209 UiVar* uic_create_value_var(UiContext* ctx, void* value) {
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parents:
diff changeset
210 UiVar *var = (UiVar*)ui_malloc(ctx, sizeof(UiVar));
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parents:
diff changeset
211 var->from = NULL;
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parents:
diff changeset
212 var->from_ctx = NULL;
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parents:
diff changeset
213 var->value = value;
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parents:
diff changeset
214 var->type = UI_VAR_SPECIAL;
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parents:
diff changeset
215 return var;
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parents:
diff changeset
216 }
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parents:
diff changeset
217
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parents:
diff changeset
218 void* uic_create_value(UiContext *ctx, UiVarType type) {
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parents:
diff changeset
219 void *val = NULL;
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parents:
diff changeset
220 switch(type) {
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parents:
diff changeset
221 case UI_VAR_SPECIAL: break;
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parents:
diff changeset
222 case UI_VAR_INTEGER: {
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parents:
diff changeset
223 val = ui_int_new(ctx, NULL);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
224 break;
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parents:
diff changeset
225 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
226 case UI_VAR_DOUBLE: {
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parents:
diff changeset
227 val = ui_double_new(ctx, NULL);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228 break;
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parents:
diff changeset
229 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
230 case UI_VAR_STRING: {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
231 val = ui_string_new(ctx, NULL);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
232 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
233 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
234 case UI_VAR_TEXT: {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
235 val = ui_text_new(ctx, NULL);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
236 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
237 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
238 case UI_VAR_LIST: {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
239 val = ui_list_new(ctx, NULL);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
240 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
241 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
242 case UI_VAR_RANGE: {
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parents:
diff changeset
243 val = ui_range_new(ctx, NULL);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
244 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
245 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
246 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
247 return val;
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parents:
diff changeset
248 }
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parents:
diff changeset
249
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
250
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
251 UiVar* uic_widget_var(UiContext* toplevel, UiContext* current, void* value, const char* varname, UiVarType type) {
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parents:
diff changeset
252 if (value) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
253 return uic_create_value_var(current, value);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
254 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
255 if (varname) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
256 return uic_create_var(toplevel, varname, type);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
257 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
258 return NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
259 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
260
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
261
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
262 void uic_copy_binding(UiVar *from, UiVar *to, UiBool copytodoc) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
263 // check type
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
264 if(from->type != to->type) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
265 fprintf(stderr, "UI Error: var has incompatible type.\n");
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
266 return;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
267 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
268
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
269 void *fromvalue = from->value;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
270 // update var
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
271 if(copytodoc) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
272 to->from = from;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
273 to->from_ctx = from->from_ctx;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
274 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
275
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
276 // copy binding
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
277 // we don't copy the observer, because the from var has never one
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
278 switch(from->type) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
279 default: fprintf(stderr, "uic_copy_binding: wtf!\n"); break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
280 case UI_VAR_SPECIAL: break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
281 case UI_VAR_INTEGER: {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
282 UiInteger *f = fromvalue;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
283 UiInteger *t = to->value;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
284 if(!f->obj) break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
285 uic_int_copy(f, t);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
286 t->set(t, t->value);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
287 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
288 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
289 case UI_VAR_DOUBLE: {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
290 UiDouble *f = fromvalue;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
291 UiDouble *t = to->value;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
292 if(!f->obj) break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
293 uic_double_copy(f, t);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
294 t->set(t, t->value);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
295 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
296 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
297 case UI_VAR_STRING: {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
298 UiString *f = fromvalue;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
299 UiString *t = to->value;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
300 if(!f->obj) break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
301 uic_string_copy(f, t);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
302 char *tvalue = t->value.ptr ? t->value.ptr : "";
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
303 t->set(t, tvalue);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
304 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
305 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
306 case UI_VAR_TEXT: {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
307 UiText *f = fromvalue;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
308 UiText *t = to->value;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
309 if(!f->obj) break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
310 uic_text_copy(f, t);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
311 char *tvalue = t->value.ptr ? t->value.ptr : "";
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
312 t->set(t, tvalue);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
313 t->setposition(t, t->pos);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
314 break;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
315 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
316 case UI_VAR_LIST: {
3
f154867f54dc add nav buttons, update toolkit
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parents: 0
diff changeset
317 // TODO: not sure how correct this is
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diff changeset
318
8
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319 UiList *f = from->value;
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320 UiList *t = to->value;
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diff changeset
321 if (f->obj) {
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diff changeset
322 t->obj = f->obj;
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diff changeset
323 t->update = f->update;
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diff changeset
324 }
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diff changeset
325
3
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diff changeset
326 UiVar tmp = *from;
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diff changeset
327 *from = *to;
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328 *to = tmp;
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diff changeset
329
8
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330 UiList* t2 = to->value;
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331 ui_notify(t2->observers, NULL);
3
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diff changeset
332
0
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333 break;
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parents:
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334 }
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diff changeset
335 case UI_VAR_RANGE: {
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336 UiRange *f = fromvalue;
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337 UiRange *t = to->value;
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338 if(!f->obj) break;
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339 uic_range_copy(f, t);
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340 t->setextent(t, t->extent);
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341 t->setrange(t, t->min, t->max);
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342 t->set(t, t->value);
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343 break;
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344 }
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345 }
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346 }
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347
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348 void uic_save_var2(UiVar *var) {
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349 switch(var->type) {
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350 case UI_VAR_SPECIAL: break;
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351 case UI_VAR_INTEGER: uic_int_save(var->value); break;
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352 case UI_VAR_DOUBLE: uic_double_save(var->value); break;
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353 case UI_VAR_STRING: uic_string_save(var->value); break;
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354 case UI_VAR_TEXT: uic_text_save(var->value); break;
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355 case UI_VAR_LIST: break;
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356 case UI_VAR_RANGE: uic_range_save(var->value); break;
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357 }
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358 }
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359
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360 void uic_unbind_var(UiVar *var) {
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361 switch(var->type) {
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362 case UI_VAR_SPECIAL: break;
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363 case UI_VAR_INTEGER: uic_int_unbind(var->value); break;
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364 case UI_VAR_DOUBLE: uic_double_unbind(var->value); break;
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365 case UI_VAR_STRING: uic_string_unbind(var->value); break;
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366 case UI_VAR_TEXT: uic_text_unbind(var->value); break;
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367 case UI_VAR_LIST: uic_list_unbind(var->value); break;
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368 case UI_VAR_RANGE: uic_range_unbind(var->value); break;
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parents:
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369 }
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370 }
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371
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372 void uic_reg_var(UiContext *ctx, char *name, UiVarType type, void *value) {
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373 // TODO: do we need/want this? Why adding vars to a context after
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374 // widgets reference these? Workarounds:
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375 // 1. add vars to ctx before creating ui
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376 // 2. create ui, create new document with vars, attach doc
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377 // also it would be possible to create a function, that scans unbound vars
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378 // and connects them to available vars
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379 /*
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380 UiContext *rootctx = uic_root_context(ctx);
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381 UiVar *b = NULL;
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382 if(rootctx->bound) {
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383 // some widgets are already bound to some vars
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384 b = ucx_map_cstr_get(rootctx->bound, name);
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385 if(b) {
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386 // a widget is bound to a var with this name
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parents:
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387 // if ctx is the root context we can remove the var from bound
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388 // because set_doc or detach can't fuck things up
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parents:
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389 if(ctx == rootctx) {
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390 ucx_map_cstr_remove(ctx->bound, name);
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parents:
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391 // TODO: free stuff
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parents:
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392 }
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parents:
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393 }
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parents:
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394 }
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395 */
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parents:
diff changeset
396
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parents:
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397 // create new var and add it to doc's vars
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398 UiVar *var = ui_malloc(ctx, sizeof(UiVar));
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399 var->type = type;
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400 var->value = value;
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parents:
diff changeset
401 var->from = NULL;
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diff changeset
402 var->from_ctx = ctx;
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parents:
diff changeset
403 size_t oldcount = ctx->vars->size;
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parents:
diff changeset
404 cxMapPut(ctx->vars, name, var);
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parents:
diff changeset
405 if(ctx->vars->size != oldcount + 1) {
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parents:
diff changeset
406 fprintf(stderr, "UiError: var '%s' already exists\n", name);
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parents:
diff changeset
407 }
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parents:
diff changeset
408
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parents:
diff changeset
409 // TODO: remove?
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parents:
diff changeset
410 // a widget is already bound to a var with this name
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parents:
diff changeset
411 // copy the binding (like uic_context_set_document)
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parents:
diff changeset
412 /*
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parents:
diff changeset
413 if(b) {
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parents:
diff changeset
414 uic_copy_binding(b, var, TRUE);
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parents:
diff changeset
415 }
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parents:
diff changeset
416 */
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parents:
diff changeset
417 }
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parents:
diff changeset
418
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parents:
diff changeset
419 void uic_remove_bound_var(UiContext *ctx, UiVar *var) {
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parents:
diff changeset
420 // TODO
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parents:
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421 }
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parents:
diff changeset
422
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parents:
diff changeset
423
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parents:
diff changeset
424 // public API
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parents:
diff changeset
425
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diff changeset
426 void ui_attach_document(UiContext *ctx, void *document) {
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parents:
diff changeset
427 uic_context_attach_document(ctx, document);
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parents:
diff changeset
428 }
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parents:
diff changeset
429
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parents:
diff changeset
430 void ui_detach_document2(UiContext *ctx, void *document) {
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parents:
diff changeset
431 uic_context_detach_document2(ctx, document);
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parents:
diff changeset
432 }
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parents:
diff changeset
433
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parents:
diff changeset
434 void ui_context_closefunc(UiContext *ctx, ui_callback fnc, void *udata) {
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parents:
diff changeset
435 ctx->close_callback = fnc;
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parents:
diff changeset
436 ctx->close_data = udata;
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parents:
diff changeset
437 }
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parents:
diff changeset
438
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parents:
diff changeset
439
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parents:
diff changeset
440 void ui_set_group(UiContext *ctx, int group) {
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parents:
diff changeset
441 if(cxListFind(ctx->groups, &group) == -1) {
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parents:
diff changeset
442 cxListAdd(ctx->groups, &group);
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parents:
diff changeset
443 }
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parents:
diff changeset
444
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parents:
diff changeset
445 // enable/disable group widgets
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parents:
diff changeset
446 uic_check_group_widgets(ctx);
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parents:
diff changeset
447 }
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parents:
diff changeset
448
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parents:
diff changeset
449 void ui_unset_group(UiContext *ctx, int group) {
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parents:
diff changeset
450 int i = cxListFind(ctx->groups, &group);
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parents:
diff changeset
451 if(i != -1) {
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parents:
diff changeset
452 cxListRemove(ctx->groups, i);
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parents:
diff changeset
453 }
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parents:
diff changeset
454
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parents:
diff changeset
455 // enable/disable group widgets
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parents:
diff changeset
456 uic_check_group_widgets(ctx);
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parents:
diff changeset
457 }
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parents:
diff changeset
458
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parents:
diff changeset
459 int* ui_active_groups(UiContext *ctx, int *ngroups) {
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parents:
diff changeset
460 *ngroups = ctx->groups->size;
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parents:
diff changeset
461 return cxListAt(ctx->groups, 0);
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parents:
diff changeset
462 }
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parents:
diff changeset
463
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parents:
diff changeset
464 void uic_check_group_widgets(UiContext *ctx) {
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parents:
diff changeset
465 int ngroups = 0;
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parents:
diff changeset
466 int *groups = ui_active_groups(ctx, &ngroups);
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parents:
diff changeset
467
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parents:
diff changeset
468 CxIterator i = cxListIterator(ctx->group_widgets);
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parents:
diff changeset
469 cx_foreach(UiGroupWidget *, gw, i) {
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parents:
diff changeset
470 char *check = calloc(1, gw->numgroups);
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parents:
diff changeset
471
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parents:
diff changeset
472 for(int i=0;i<ngroups;i++) {
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parents:
diff changeset
473 for(int k=0;k<gw->numgroups;k++) {
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parents:
diff changeset
474 if(groups[i] == gw->groups[k]) {
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parents:
diff changeset
475 check[k] = 1;
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parents:
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476 }
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parents:
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477 }
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parents:
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478 }
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479
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480 int enable = 1;
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parents:
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481 for(int i=0;i<gw->numgroups;i++) {
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parents:
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482 if(check[i] == 0) {
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483 enable = 0;
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parents:
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484 break;
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parents:
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485 }
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parents:
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486 }
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parents:
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487 free(check);
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488 gw->enable(gw->widget, enable);
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parents:
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489 }
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parents:
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490 }
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parents:
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491
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parents:
diff changeset
492 void ui_widget_set_groups(UiContext *ctx, UIWIDGET widget, ui_enablefunc enable, ...) {
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493 // get groups
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494 CxList *groups = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(int), 16);
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495 va_list ap;
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496 va_start(ap, enable);
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497 int group;
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parents:
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498 while((group = va_arg(ap, int)) != -1) {
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499 cxListAdd(groups, &group);
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500 }
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501 va_end(ap);
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parents:
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502
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503 uic_add_group_widget(ctx, widget, enable, groups);
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parents:
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504
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parents:
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505 cxListDestroy(groups);
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parents:
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506 }
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parents:
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507
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parents:
diff changeset
508 void uic_add_group_widget(UiContext *ctx, void *widget, ui_enablefunc enable, CxList *groups) {
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diff changeset
509 const CxAllocator *a = ctx->allocator;
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parents:
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510 UiGroupWidget gw;
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parents:
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511
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512 gw.widget = widget;
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513 gw.enable = enable;
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parents:
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514 gw.numgroups = groups->size;
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parents:
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515 gw.groups = cxCalloc(a, gw.numgroups, sizeof(int));
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516
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517 // copy groups
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parents:
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518 int *intgroups = cxListAt(groups, 0);
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519 if(intgroups) {
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diff changeset
520 memcpy(gw.groups, intgroups, gw.numgroups * sizeof(int));
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521 }
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parents:
diff changeset
522
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parents:
diff changeset
523 cxListAdd(ctx->group_widgets, &gw);
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parents:
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524 }
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parents:
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525
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parents:
diff changeset
526 void* ui_malloc(UiContext *ctx, size_t size) {
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parents:
diff changeset
527 return ctx ? cxMalloc(ctx->allocator, size) : NULL;
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parents:
diff changeset
528 }
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parents:
diff changeset
529
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parents:
diff changeset
530 void* ui_calloc(UiContext *ctx, size_t nelem, size_t elsize) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
531 return ctx ? cxCalloc(ctx->allocator, nelem, elsize) : NULL;
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parents:
diff changeset
532 }
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parents:
diff changeset
533
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parents:
diff changeset
534 void ui_free(UiContext *ctx, void *ptr) {
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parents:
diff changeset
535 if(ctx) {
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parents:
diff changeset
536 cxFree(ctx->allocator, ptr);
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parents:
diff changeset
537 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
538 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
539
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parents:
diff changeset
540 void* ui_realloc(UiContext *ctx, void *ptr, size_t size) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
541 return ctx ? cxRealloc(ctx->allocator, ptr, size) : NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
542 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
543

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