1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 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>
32
33 #include "document.h"
34
35 #include <cx/hash_map.h>
36 #include <cx/mempool.h>
37
38
39 static CxMap *documents;
40
41 void uic_docmgr_init() {
42 if (!documents) {
43 documents = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 32);
44 }
45 }
46
47 void ui_set_document(UiObject *obj, void *document) {
48 uic_context_detach_all(obj->ctx);
49 obj->ctx->attach_document(obj->ctx, document);
50 }
51
52 void ui_detach_document(UiObject *obj) {
53 uic_context_detach_all(obj->ctx);
54 }
55
56 void* ui_get_document(UiObject *obj) {
57 return obj->ctx->document;
58 }
59
60 void ui_set_subdocument(void *document, void *sub) {
61 UiContext *ctx = ui_document_context(document);
62 if(!ctx) {
63 fprintf(stderr, "UI Error: pointer is not a document\n");
64 }
65 // TODO
66 }
67
68 void ui_detach_subdocument(void *document, void *sub) {
69 UiContext *ctx = ui_document_context(document);
70 if(!ctx) {
71 fprintf(stderr, "UI Error: pointer is not a document\n");
72 }
73 // TODO
74 }
75
76 void* ui_get_subdocument(void *document) {
77 UiContext *ctx = ui_document_context(document);
78 if(!ctx) {
79 fprintf(stderr, "UI Error: pointer is not a document\n");
80 }
81 // TODO
82 return NULL;
83 }
84
85 void* ui_document_new(size_t size) {
86 CxMempool *mp = cxMempoolCreate(256, NULL);
87 const CxAllocator *a = mp->allocator;
88 UiContext *ctx = cxCalloc(a, 1, sizeof(UiContext));
89 ctx->mp = mp;
90 ctx->attach_document = uic_context_attach_document;
91 ctx->detach_document2 = uic_context_detach_document2;
92 ctx->allocator = a;
93 ctx->vars = cxHashMapCreate(a, CX_STORE_POINTERS, 16);
94
95 void *document = cxCalloc(a, size, 1);
96 cxMapPut(documents, cx_hash_key(&document, sizeof(void*)), ctx);
97 return document;
98 }
99
100 void ui_document_destroy(void *doc) {
101 UiContext *ctx = ui_document_context(doc);
102 if(ctx) {
103 UiEvent ev;
104 ev.window = NULL;
105 ev.document = doc;
106 ev.obj = NULL;
107 ev.eventdata = NULL;
108 ev.intval = 0;
109
110 if(ctx->close_callback) {
111 ctx->close_callback(&ev, ctx->close_data);
112 }
113 cxMempoolDestroy(ctx->mp);
114 }
115 }
116
117 UiContext* ui_document_context(void *doc) {
118 if(doc) {
119 return cxMapGet(documents, cx_hash_key(&doc, sizeof(void*)));
120 } else {
121 return NULL;
122 }
123 }
124