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