ui/gtk/display.c

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2483f517c562
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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
32 #include "display.h"
33 #include "container.h"
34 #include "../common/context.h"
35 #include "../common/object.h"
36
37 static void set_alignment(GtkWidget *widget, float xalign, float yalign) {
38 #if GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 16
39 gtk_label_set_xalign(GTK_LABEL(widget), xalign);
40 gtk_label_set_yalign(GTK_LABEL(widget), yalign);
41 #else
42 gtk_misc_set_alignment(GTK_MISC(widget), xalign, yalign);
43 #endif
44 }
45
46 UIWIDGET ui_label(UiObject *obj, char *label) {
47 GtkWidget *widget = gtk_label_new(label);
48
49 UiContainer *ct = uic_get_current_container(obj);
50 ct->add(ct, widget, FALSE);
51
52 return widget;
53 }
54
55 UIWIDGET ui_llabel(UiObject *obj, char *label) {
56 UIWIDGET widget = ui_label(obj, label);
57 set_alignment(widget, 0, .5);
58 return widget;
59 }
60
61 UIWIDGET ui_rlabel(UiObject *obj, char *label) {
62 UIWIDGET widget = ui_label(obj, label);
63 //gtk_label_set_justify(GTK_LABEL(widget), GTK_JUSTIFY_RIGHT);
64
65 set_alignment(widget, 1, .5);
66 return widget;
67 }
68
69 UIWIDGET ui_space(UiObject *obj) {
70 GtkWidget *widget = gtk_label_new("");
71 UiContainer *ct = uic_get_current_container(obj);
72 ct->add(ct, widget, TRUE);
73
74 return widget;
75 }
76
77 UIWIDGET ui_separator(UiObject *obj) {
78 #if UI_GTK3
79 GtkWidget *widget = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
80 #else
81 GtkWidget *widget = gtk_hseparator_new();
82 #endif
83 UiContainer *ct = uic_get_current_container(obj);
84 ct->add(ct, widget, FALSE);
85
86 return widget;
87 }
88
89 /* ------------------------- progress bar ------------------------- */
90
91 UIWIDGET ui_progressbar(UiObject *obj, UiDouble *value) {
92 UiVar *var = malloc(sizeof(UiVar));
93 var->value = value;
94 var->type = UI_VAR_SPECIAL;
95 return ui_progressbar_var(obj, var);
96 }
97
98 UIWIDGET ui_progressbar_nv(UiObject *obj, char *varname) {
99 UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_DOUBLE);
100 return ui_progressbar_var(obj, var);
101 }
102
103 UIWIDGET ui_progressbar_var(UiObject *obj, UiVar *var) {
104 GtkWidget *progressbar = gtk_progress_bar_new();
105 if(var && var->value) {
106 UiDouble *value = var->value;
107 value->get = ui_progressbar_get;
108 value->set = ui_progressbar_set;
109 value->obj = progressbar;
110 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progressbar), 0.5);
111 }
112
113 UiContainer *ct = uic_get_current_container(obj);
114 ct->add(ct, progressbar, FALSE);
115
116 return progressbar;
117 }
118
119 double ui_progressbar_get(UiDouble *d) {
120 d->value = gtk_progress_bar_get_fraction(GTK_PROGRESS_BAR(d->obj));
121 return d->value;
122 }
123
124 void ui_progressbar_set(UiDouble *d, double value) {
125 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(d->obj), value);
126 d->value = value;
127 }

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