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 #ifndef UIC_CONTEXT_H
30 #define UIC_CONTEXT_H
31
32 #include "../ui/toolkit.h"
33 #include <cx/map.h>
34 #include <cx/hash_map.h>
35 #include <cx/mempool.h>
36 #include <cx/list.h>
37 #include <cx/linked_list.h>
38
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42
43 typedef struct UiVar UiVar;
44 typedef struct UiListPtr UiListPtr;
45 typedef struct UiListVar UiListVar;
46 typedef struct UiGroupWidget UiGroupWidget;
47
48 typedef enum UiVarType UiVarType;
49
50 enum UiVarType {
51 UI_VAR_SPECIAL = 0,
52 UI_VAR_INTEGER,
53 UI_VAR_DOUBLE,
54 UI_VAR_STRING,
55 UI_VAR_TEXT,
56 UI_VAR_LIST,
57 UI_VAR_RANGE,
58 UI_VAR_GENERIC
59 };
60
61 struct UiContext {
62 UiContext *parent;
63 UiObject *obj;
64 CxMempool *mp;
65 const CxAllocator *allocator;
66
67 void *document;
68 CxList *documents;
69
70 CxMap *vars; // manually created context vars
71 CxMap *vars_unbound; // unbound vars created by widgets
72
73 CxList *groups; // int list
74 CxList *group_widgets; // UiGroupWidget list
75
76 void (*attach_document)(UiContext *ctx, void *document);
77 void (*detach_document2)(UiContext *ctx, void *document);
78
79 char *title;
80
81 #ifdef UI_GTK
82 #if GTK_CHECK_VERSION(4, 0, 0)
83 GActionMap *action_map;
84 #elif UI_GTK2 || UI_GTK3
85 GtkAccelGroup *accel_group;
86 #endif
87 #endif
88
89
90
91 ui_callback close_callback;
92 void *close_data;
93 };
94
95 // UiVar replacement, rename it to UiVar when finished
96 struct UiVar {
97 void *value;
98 UiVarType type;
99 UiVar *from;
100 UiContext *from_ctx;
101 };
102
103 struct UiGroupWidget {
104 void *widget;
105 ui_enablefunc enable;
106 int *groups;
107 int numgroups;
108 };
109
110
111 void uic_init_global_context(void);
112
113 UiContext* uic_context(UiObject *toplevel, CxMempool *mp);
114 UiContext* uic_root_context(UiContext *ctx);
115 void uic_context_set_document(UiContext *ctx, void *document); // deprecated
116 void uic_context_detach_document(UiContext *ctx); // deprecated
117
118 void uic_context_prepare_close(UiContext *ctx);
119
120 void uic_context_attach_document(UiContext *ctx, void *document);
121 void uic_context_detach_document2(UiContext *ctx, void *document);
122 void uic_context_detach_all(UiContext *ctx);
123
124 UiVar* uic_get_var(UiContext *ctx, const char *name);
125 UiVar* uic_create_var(UiContext *ctx, const char *name, UiVarType type);
126 UiVar* uic_create_value_var(UiContext *ctx, void *value);
127 void* uic_create_value(UiContext *ctx, UiVarType type);
128
129 UiVar* uic_widget_var(UiContext* toplevel, UiContext* current, void* value, const char* varname, UiVarType type);
130
131 void uic_copy_binding(UiVar *from, UiVar *to, UiBool copytodoc);
132 void uic_save_var2(UiVar *var);
133 void uic_unbind_var(UiVar *var);
134
135 void uic_reg_var(UiContext *ctx, char *name, UiVarType type, void *value);
136
137 void uic_remove_bound_var(UiContext *ctx, UiVar *var);
138
139 size_t uic_group_array_size(const int *groups);
140 void uic_check_group_widgets(UiContext *ctx);
141 void uic_add_group_widget(UiContext *ctx, void *widget, ui_enablefunc enable, CxList *groups);
142 void uic_add_group_widget_i(UiContext *ctx, void *widget, ui_enablefunc enable, const int *groups, size_t numgroups);
143 void uic_remove_group_widget(UiContext *ctx, void *widget);
144
145 #ifdef __cplusplus
146 }
147 #endif
148
149 #endif /* UIC_CONTEXT_H */
150
151