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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 | |
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33 | #include "document.h" |
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34 | |
174 | 35 | #include <cx/hash_map.h> |
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36 | #include <cx/mempool.h> |
174 | 37 | |
38 | static CxMap *documents; | |
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39 | |
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40 | void uic_docmgr_init() { |
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41 | if (!documents) { |
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42 | documents = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 32); |
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43 | } |
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44 | } |
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45 | |
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46 | void ui_set_document(UiObject *obj, void *document) { |
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47 | uic_context_detach_all(obj->ctx); |
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48 | obj->ctx->attach_document(obj->ctx, document); |
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49 | } |
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50 | |
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51 | void ui_detach_document(UiObject *obj) { |
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52 | uic_context_detach_all(obj->ctx); |
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53 | } |
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54 | |
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55 | void* ui_get_document(UiObject *obj) { |
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56 | return obj->ctx->document; |
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57 | } |
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58 | |
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59 | void ui_set_subdocument(void *document, void *sub) { |
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60 | UiContext *ctx = ui_document_context(document); |
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61 | if(!ctx) { |
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62 | fprintf(stderr, "UI Error: pointer is not a document\n"); |
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63 | } |
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64 | // TODO |
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65 | } |
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66 | |
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67 | void ui_detach_subdocument(void *document, void *sub) { |
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68 | UiContext *ctx = ui_document_context(document); |
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69 | if(!ctx) { |
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70 | fprintf(stderr, "UI Error: pointer is not a document\n"); |
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71 | } |
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72 | // TODO |
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73 | } |
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74 | |
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75 | void* ui_get_subdocument(void *document) { |
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76 | UiContext *ctx = ui_document_context(document); |
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77 | if(!ctx) { |
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78 | fprintf(stderr, "UI Error: pointer is not a document\n"); |
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79 | } |
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80 | // TODO |
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81 | return NULL; |
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82 | } |
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83 | |
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84 | void* ui_document_new(size_t size) { |
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85 | CxMempool *mp = cxMempoolCreate(256, NULL); |
174 | 86 | const CxAllocator *a = mp->allocator; |
87 | UiContext *ctx = cxCalloc(a, 1, sizeof(UiContext)); | |
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88 | ctx->attach_document = uic_context_attach_document; |
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89 | ctx->detach_document2 = uic_context_detach_document2; |
174 | 90 | ctx->allocator = a; |
91 | ctx->vars = cxHashMapCreate(a, CX_STORE_POINTERS, 16); | |
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92 | |
174 | 93 | void *document = cxCalloc(a, 1, size); |
94 | cxMapPut(documents, cx_hash_key(&document, sizeof(void*)), ctx); | |
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95 | return document; |
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96 | } |
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97 | |
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98 | void ui_document_destroy(void *doc) { |
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99 | UiContext *ctx = ui_document_context(doc); |
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100 | if(ctx) { |
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101 | UiEvent ev; |
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102 | ev.window = NULL; |
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103 | ev.document = doc; |
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104 | ev.obj = NULL; |
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105 | ev.eventdata = NULL; |
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106 | ev.intval = 0; |
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107 | |
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108 | if(ctx->close_callback) { |
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109 | ctx->close_callback(&ev, ctx->close_data); |
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110 | } |
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111 | cxMempoolDestroy(ctx->mp); |
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112 | } |
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113 | } |
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114 | |
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115 | UiContext* ui_document_context(void *doc) { |
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116 | if(doc) { |
174 | 117 | return cxMapGet(documents, cx_hash_key(&doc, sizeof(void*))); |
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118 | } else { |
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119 | return NULL; |
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120 | } |
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121 | } |