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 <ucx/map.h>
34 #include <ucx/mempool.h>
35 #include <ucx/list.h>
36
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40
41 typedef struct UiVar UiVar;
42 typedef struct UiListPtr UiListPtr;
43 typedef struct UiListVar UiListVar;
44 typedef struct UiGroupWidget UiGroupWidget;
45
46 typedef enum UiVarType UiVarType;
47
48 enum UiVarType {
49 UI_VAR_SPECIAL = 0,
50 UI_VAR_INTEGER,
51 UI_VAR_DOUBLE,
52 UI_VAR_STRING,
53 UI_VAR_TEXT,
54 UI_VAR_LIST,
55 UI_VAR_RANGE
56 };
57
58 struct UiContext {
59 UiContext *parent;
60 UiObject *obj;
61 UcxMempool *mempool;
62
63 void *document;
64 UcxList *documents;
65
66 UcxMap *vars; // manually created context vars
67 UcxMap *vars_unbound; // unbound vars created by widgets
68
69 UcxList *groups; // int list
70 UcxList *group_widgets; // UiGroupWidget* list
71
72 void (*attach_document)(UiContext *ctx, void *document);
73 void (*detach_document2)(UiContext *ctx, void *document);
74
75 char *title;
76
77 #ifdef UI_GTK
78 GtkAccelGroup *accel_group;
79 #endif
80
81 ui_callback close_callback;
82 void *close_data;
83 };
84
85 // UiVar replacement, rename it to UiVar when finished
86 struct UiVar {
87 void *value;
88 UiVarType type;
89 UiVar *from;
90 UiContext *from_ctx;
91 };
92
93 struct UiGroupWidget {
94 void *widget;
95 ui_enablefunc enable;
96 int *groups;
97 int numgroups;
98 };
99
100
101 void uic_init_global_context(void);
102
103 UiContext* uic_context(UiObject *toplevel, UcxMempool *mp);
104 UiContext* uic_root_context(UiContext *ctx);
105 void uic_context_set_document(UiContext *ctx, void *document); // deprecated
106 void uic_context_detach_document(UiContext *ctx); // deprecated
107
108 void uic_context_attach_document(UiContext *ctx, void *document);
109 void uic_context_detach_document2(UiContext *ctx, void *document);
110 void uic_context_detach_all(UiContext *ctx);
111
112 UiVar* uic_get_var(UiContext *ctx, const char *name);
113 UiVar* uic_create_var(UiContext *ctx, const char *name, UiVarType type);
114 void* uic_create_value(UiContext *ctx, UiVarType type);
115
116 void uic_copy_binding(UiVar *from, UiVar *to, UiBool copytodoc);
117 void uic_save_var2(UiVar *var);
118 void uic_unbind_var(UiVar *var);
119
120 void uic_reg_var(UiContext *ctx, char *name, UiVarType type, void *value);
121
122 void uic_remove_bound_var(UiContext *ctx, UiVar *var);
123
124 void uic_check_group_widgets(UiContext *ctx);
125 void uic_add_group_widget(UiContext *ctx, void *widget, ui_enablefunc enable, UcxList *groups);
126
127
128 #ifdef __cplusplus
129 }
130 #endif
131
132 #endif /* UIC_CONTEXT_H */
133
134