1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2025 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 "button.h"
30 #include <cx/buffer.h>
31 #include <cx/printf.h>
32
33 #include "args.h"
34 #include "container.h"
35 #include "widget.h"
36 #include "var.h"
37
38 cxmutstr ui_button_args_to_string(UiContext *ctx, UiButtonArgs *args) {
39 CxBuffer buf;
40 cxBufferInit(&buf, NULL, 256, ctx->allocator, CX_BUFFER_AUTO_EXTEND | CX_BUFFER_FREE_CONTENTS);
41
42 cxBufferPutString(&buf, "{");
43
44 UI_STANDARD_ARGS(&buf, args);
45 UI_LABEL_ARGS(&buf, args);
46 if(args->labeltype != UI_LABEL_DEFAULT) ui_argstr_add_int(&buf, "labeltype", (int)args->labeltype);
47
48 if(buf.size > 0 && buf.space[buf.size-1] == ',') {
49 buf.space[buf.size-1] = ' ';
50 }
51 cxBufferPutString(&buf, "}");
52 return cx_mutstrn(buf.space, buf.size);
53 }
54
55 cxmutstr ui_toggle_args_to_string(UiContext *ctx, UiToggleArgs *args, cxmutstr value) {
56 CxBuffer buf;
57 cxBufferInit(&buf, NULL, 256, ctx->allocator, CX_BUFFER_AUTO_EXTEND | CX_BUFFER_FREE_CONTENTS);
58
59 cxBufferPutString(&buf, "{");
60
61 UI_STANDARD_ARGS(&buf, args);
62 UI_LABEL_ARGS(&buf, args);
63 if(value.ptr) ui_argstr_add_str(&buf, "value", value.ptr);
64 if(args->labeltype != UI_LABEL_DEFAULT) ui_argstr_add_int(&buf, "labeltype", (int)args->labeltype);
65
66 if(buf.size > 0 && buf.space[buf.size-1] == ',') {
67 buf.space[buf.size-1] = ' ';
68 }
69 cxBufferPutString(&buf, "}");
70 return cx_mutstrn(buf.space, buf.size);
71 }
72
73
74 UIWIDGET ui_button_create(UiObject *obj, UiButtonArgs *args) {
75 UiCallbackWidget *widget = cxZalloc(obj->ctx->allocator, sizeof(UiCallbackWidget));
76 widget->widget.obj = obj->widget->obj;
77 widget->widget.type = CX_STR("button");
78 widget->widget.args = ui_button_args_to_string(obj->ctx, args);
79 widget->widget.serialize = (ui_serialize_func)ui_button_serialize;
80 widget->callback = args->onclick;
81 widget->userdata = args->onclickdata;
82 ui_reg_widget((UiWidget*)widget);
83
84 UiWidget *parent = obj->container_end->container;
85 cxListAdd(parent->children, widget);
86
87 return (UiWidget*)widget;
88 }
89
90 cxmutstr ui_button_serialize(UiCallbackWidget *w) {
91 CxBuffer buf;
92 cxBufferInit(&buf, NULL, 1024, NULL, CX_BUFFER_AUTO_EXTEND | CX_BUFFER_FREE_CONTENTS);
93
94 cxBufferPutString(&buf, "{");
95 ui_serialize_type_obj_id(&w->widget, &buf);
96 cxBufferPutString(&buf, ",\"args\":");
97 cxBufferPutString(&buf, w->widget.args.ptr);
98 if(w->widget.var_id.ptr) {
99 cxBufferPutString(&buf, ",\"value\":\"");
100 cxBufferPutString(&buf, w->widget.var_id.ptr);
101 cxBufferPutString(&buf, "\"");
102 }
103 cxBufferPutString(&buf, "}\n");
104
105 return cx_mutstrn(buf.space, buf.size);
106 }
107
108 static UIWIDGET togglebutton_create(UiObject *obj, const char *type, UiToggleArgs *args) {
109 cxmutstr var_id = cx_mutstrn(NULL, 0);
110 UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args->value, args->varname, UI_VAR_INTEGER);
111 if(var) {
112 UiInteger *i = var->value;
113 if(!i->obj) {
114 ui_server_bind_int(obj->ctx, i);
115 }
116 var_id = cx_mutstr(i->obj);
117 }
118
119 UiCallbackWidget *widget = cxZalloc(obj->ctx->allocator, sizeof(UiCallbackWidget));
120 widget->widget.obj = obj->widget->obj;
121 widget->widget.type = cx_str(type);
122 widget->widget.args = ui_toggle_args_to_string(obj->ctx, args, var_id);
123 widget->widget.var_id = var_id;
124 widget->widget.var_type = UI_VAR_INTEGER;
125 widget->widget.serialize = (ui_serialize_func)ui_button_serialize;
126 widget->callback = args->onchange;
127 widget->userdata = args->onchangedata;
128 ui_reg_widget((UiWidget*)widget);
129
130 UiWidget *parent = obj->container_end->container;
131 cxListAdd(parent->children, widget);
132
133 return (UiWidget*)widget;
134 }
135
136 UIWIDGET ui_togglebutton_create(UiObject *obj, UiToggleArgs *args) {
137 return togglebutton_create(obj, "togglebutton", args);
138 }
139
140 UIWIDGET ui_checkbox_create(UiObject *obj, UiToggleArgs *args) {
141 return togglebutton_create(obj, "checkbox", args);
142 }
143
144 UIWIDGET ui_switch_create(UiObject *obj, UiToggleArgs *args) {
145 return togglebutton_create(obj, "switch", args);
146 }
147
148 UIWIDGET ui_radiobutton_create(UiObject *obj, UiToggleArgs *args) {
149 return togglebutton_create(obj, "radiobutton", args);
150 }
151