ui/gtk/range.c

Sun, 31 Mar 2024 16:19:01 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 31 Mar 2024 16:19:01 +0200
branch
newapi
changeset 275
132c7bcc6997
parent 174
0358f1d9c506
child 278
a8faf8757450
permissions
-rw-r--r--

implement new toolbar (GTK)

118
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
140
c03c338a7dcf refactors value binding system
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 121
diff changeset
4 * Copyright 2017 Olaf Wintermann. All rights reserved.
118
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include <stdio.h>
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30 #include <stdlib.h>
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include "range.h"
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 #include "container.h"
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34 #include "../common/context.h"
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 #include "../common/object.h"
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38 static UIWIDGET ui_scrollbar(UiObject *obj, UiOrientation orientation, UiRange *range, ui_callback f, void *userdata) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 #ifdef UI_GTK3
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 GtkWidget *scrollbar = gtk_scrollbar_new(orientation == UI_HORIZONTAL ? GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL, NULL);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 #else
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 GtkWidget *scrollbar;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 if(orientation == UI_HORIZONTAL) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 scrollbar = gtk_hscrollbar_new(NULL);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 } else {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 scrollbar = gtk_hscrollbar_new(NULL);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 #endif
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50 if(range) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51 range->get = ui_scrollbar_get;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 range->set = ui_scrollbar_set;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53 range->setrange = ui_scrollbar_setrange;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54 range->setextent = ui_scrollbar_setextent;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
55 range->obj = scrollbar;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58 if(f) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 UiEventData *event = malloc(sizeof(UiEventData));
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 event->obj = obj;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61 event->userdata = userdata;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 event->callback = f;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 event->value = 0;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 g_signal_connect(
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66 G_OBJECT(scrollbar),
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 "value-changed",
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68 G_CALLBACK(ui_scrollbar_value_changed),
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 event);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 g_signal_connect(
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71 scrollbar,
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
72 "destroy",
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
73 G_CALLBACK(ui_destroy_userdata),
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 event);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
77 UiContainer *ct = uic_get_current_container(obj);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
78 ct->add(ct, scrollbar, FALSE);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 return scrollbar;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 UIWIDGET ui_hscrollbar(UiObject *obj, UiRange *range, ui_callback f, void *userdata) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 return ui_scrollbar(obj, UI_HORIZONTAL, range, f, userdata);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 UIWIDGET ui_vscrollbar(UiObject *obj, UiRange *range, ui_callback f, void *userdata) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88 return ui_scrollbar(obj, UI_VERTICAL, range, f, userdata);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91 gboolean ui_scrollbar_value_changed(GtkRange *range, UiEventData *event) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 UiEvent e;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 e.obj = event->obj;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94 e.window = event->obj->window;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 e.document = event->obj->ctx->document;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 e.eventdata = NULL;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 e.intval = event->value;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 event->callback(&e, event->userdata);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 return TRUE;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 double ui_scrollbar_get(UiRange *range) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 double value = gtk_range_get_value(GTK_RANGE(range->obj));
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104 range->value = value;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105 return value;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
106 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
107
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
108 void ui_scrollbar_set(UiRange *range, double value) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
109 gtk_range_set_value(GTK_RANGE(range->obj), value);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
110 range->value = value;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
111 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
112
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
113 void ui_scrollbar_setrange(UiRange *range, double min, double max) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
114 gtk_range_set_range(GTK_RANGE(range->obj), min, max);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
115 range->min = min;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
116 range->max = max;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
117 }
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
118
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
119 void ui_scrollbar_setextent(UiRange *range, double extent) {
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
120 GtkAdjustment *a = gtk_range_get_adjustment(GTK_RANGE(range->obj));
121
1cc365c34125 added some special textfields (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 118
diff changeset
121 #ifdef UI_GTK2LEGACY
118
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
122 a->page_size = extent;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
123 #else
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
124 gtk_adjustment_set_page_size(a, extent);
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
125 #endif
148
4e0b38bbd6c4 replaces usage of some deprecated functions (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 140
diff changeset
126 #if !(GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 18)
118
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
127 gtk_adjustment_changed(a);
148
4e0b38bbd6c4 replaces usage of some deprecated functions (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 140
diff changeset
128 #endif
118
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
129 range->extent = extent;
bb21210e9cac added scrollbar (GTK)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
130 }

mercurial