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added groups for menu items (Cocoa)
0 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
4 | * Copyright 2014 Olaf Wintermann. All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | #include <stdio.h> | |
30 | #include <stdlib.h> | |
31 | #include <string.h> | |
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32 | #include <inttypes.h> |
0 | 33 | |
34 | #include "context.h" | |
35 | #include "../ui/window.h" | |
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36 | #include "document.h" |
0 | 37 | |
38 | ||
39 | UiContext* uic_context(UiObject *toplevel, UcxMempool *mp) { | |
40 | UiContext *ctx = ucx_mempool_malloc(mp, sizeof(UiContext)); | |
41 | ctx->mempool = mp; | |
42 | ||
43 | ctx->toplevel = toplevel; | |
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44 | ctx->vars = ucx_map_new_a(mp->allocator, 16); |
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45 | ctx->groups = NULL; |
0 | 46 | |
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47 | #ifdef UI_GTK |
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48 | ctx->accel_group = gtk_accel_group_new(); |
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49 | gtk_window_add_accel_group(GTK_WINDOW(toplevel->widget), ctx->accel_group); |
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50 | #endif |
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51 | |
0 | 52 | return ctx; |
53 | } | |
54 | ||
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55 | UiVar* uic_getvar(UiContext *ctx, char *name) { |
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56 | // check document variables first |
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57 | UiVar *var = uic_document_getvar( |
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58 | uic_getdocument(ctx->toplevel->document), |
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59 | name); |
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60 | // check window vars |
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61 | if(!var) { |
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62 | var = ucx_map_cstr_get(ctx->vars, name); |
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63 | } |
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64 | |
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65 | return var; |
0 | 66 | } |
67 | ||
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68 | UiVar* uic_connect_var(UiContext *ctx, char *name, int type) { |
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69 | // TODO: get current map |
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70 | UcxMap *from = ctx->vars; |
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71 | |
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72 | UiVar *var = uic_getvar(ctx, name); |
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73 | if(var) { |
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74 | // the value is registered |
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75 | |
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76 | // a little type check |
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77 | if(var->type != type) { |
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78 | fprintf(stderr, "UI Error: var %s has incompatible type.\n", name); |
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79 | return NULL; |
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80 | } else { |
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81 | // register the current document/wdata map |
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82 | // if the document is closed, the var will be moved to this map |
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83 | var->from = from; |
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84 | |
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85 | return var; |
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86 | } |
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87 | } else { |
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88 | // create an empty value and add it first to the window variables |
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89 | // it can be moved to the document vars later |
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90 | void *value = uic_create_value(ctx->mempool->allocator, type); |
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91 | if(!value) { |
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92 | fprintf(stderr, "UI Error: Cannot create empty value.\n"); |
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93 | return NULL; |
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94 | } |
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95 | UiVar *var = ucx_mempool_malloc(ctx->mempool, sizeof(UiVar)); |
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96 | var->value = value; |
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97 | var->type = type; |
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98 | var->isextern = 0; |
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99 | var->from = from; |
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100 | ucx_map_cstr_put(ctx->vars, name, var); |
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101 | return var; |
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102 | } |
0 | 103 | } |
104 | ||
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105 | void* uic_create_value(UcxAllocator *a, int type) { |
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106 | switch(type) { |
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107 | case UI_VAR_INTEGER: { |
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108 | UiInteger *i = a->calloc( |
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109 | a->pool, |
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110 | 1, |
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111 | sizeof(UiInteger)); |
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112 | return i; |
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113 | } |
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114 | case UI_VAR_STRING: { |
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115 | UiString *s = a->calloc( |
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116 | a->pool, |
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117 | 1, |
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118 | sizeof(UiInteger)); |
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119 | return s; |
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120 | } |
0 | 121 | } |
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122 | return NULL; |
0 | 123 | } |
124 | ||
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125 | |
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126 | |
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127 | // public API |
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128 | |
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129 | int ui_getint(UiObject *obj, char *name) { |
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130 | UiVar *var = uic_getvar(obj->ctx, name); |
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131 | if(var) { |
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132 | if(var->type == UI_VAR_INTEGER) { |
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133 | UiInteger *i = var->value; |
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134 | if(i->get) { |
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135 | return i->get(i); |
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136 | } else { |
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137 | fprintf( |
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138 | stderr, |
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139 | "UI Error: variable %s is not connected.\n", |
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140 | name); |
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141 | } |
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142 | } else { |
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143 | fprintf( |
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144 | stderr, |
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145 | "UI Error: requested variable %s is not an integer.\n", |
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146 | name); |
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147 | } |
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148 | } else { |
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149 | fprintf(stderr, "UI Error: unkown variable %s.\n", name); |
0 | 150 | } |
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151 | return 0; |
0 | 152 | } |
153 | ||
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154 | |
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155 | |
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156 | |
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157 | void ui_set_group(UiContext *ctx, int group) { |
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158 | if(ucx_list_find(ctx->groups, (void*)(intptr_t)group, NULL, NULL) == -1) { |
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159 | ctx->groups = ucx_list_append_a(ctx->mempool->allocator, ctx->groups, (void*)(intptr_t)group); |
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160 | } |
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161 | } |
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162 | |
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163 | void ui_unset_group(UiContext *ctx, int group) { |
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164 | int i = ucx_list_find(ctx->groups, (void*)(intptr_t)group, NULL, NULL); |
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165 | if(i != -1) { |
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166 | UcxList *elm = ucx_list_get(ctx->groups, i); |
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167 | ctx->groups = ucx_list_remove_a(ctx->mempool->allocator, ctx->groups, elm); |
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168 | } |
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169 | } |
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170 | |
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171 | int* ui_active_groups(UiContext *ctx, int *ngroups) { |
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172 | int nelm = ucx_list_size(ctx->groups); |
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173 | int *groups = calloc(sizeof(int), nelm); |
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174 | |
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175 | int i = 0; |
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176 | UCX_FOREACH(elm, ctx->groups) { |
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177 | groups[i++] = (int)elm->data; |
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178 | } |
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179 | |
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180 | *ngroups = nelm; |
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181 | return groups; |
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182 | } |