chiark / gitweb /
split up queue.c to remove -ldl dependency from clients
[disorder] / disobedience / misc.c
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460b9539 1/*
2 * This file is part of DisOrder
3 * Copyright (C) 2006 Richard Kettlewell
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
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20/** @file disobedience/misc.c
21 * @brief Miscellaneous GTK+ interfacing stuff
22 */
460b9539 23
24#include "disobedience.h"
25
26/* Miscellaneous GTK+ stuff ------------------------------------------------ */
27
e9b70a84 28WT(cached_image);
29
460b9539 30/* Functions */
31
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32/** @brief Put scrollbars around a widget
33 * @param child Widget to surround
34 * @param widgetname Name for (both) widgets
35 * @return Scroll widget
36 */
460b9539 37GtkWidget *scroll_widget(GtkWidget *child,
38 const char *widgetname) {
39 GtkWidget *scroller = gtk_scrolled_window_new(0, 0);
40 GtkAdjustment *adj;
41
42 D(("scroll_widget"));
43 /* Why isn't _AUTOMATIC the default? */
44 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroller),
45 GTK_POLICY_AUTOMATIC,
46 GTK_POLICY_AUTOMATIC);
47 if(GTK_IS_LAYOUT(child)) {
48 /* Child widget has native scroll support */
49 gtk_container_add(GTK_CONTAINER(scroller), child);
50 /* Fix up the step increments if they are 0 (seems like an odd default?) */
51 if(GTK_IS_LAYOUT(child)) {
52 adj = gtk_layout_get_hadjustment(GTK_LAYOUT(child));
53 if(!adj->step_increment) adj->step_increment = 16;
54 adj = gtk_layout_get_vadjustment(GTK_LAYOUT(child));
55 if(!adj->step_increment) adj->step_increment = 16;
56 }
57 } else {
58 /* Child widget requires a viewport */
59 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroller),
60 child);
61 }
62 /* Apply a name to the widget so it can be recolored */
63 gtk_widget_set_name(GTK_BIN(scroller)->child, widgetname);
64 gtk_widget_set_name(scroller, widgetname);
65 return scroller;
66}
67
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68/** @brief Find an image
69 * @param name Relative path to image
70 * @return pixbuf containing image
71 *
72 * Images are cached so it's perfectly sensible to call this lots of times even
73 * for the same image.
74 *
75 * Images are searched for in @c pkgdatadir/static.
76 */
460b9539 77GdkPixbuf *find_image(const char *name) {
78 static const struct cache_type image_cache_type = { INT_MAX };
79
80 GdkPixbuf *pb;
81 char *path;
82 GError *err = 0;
83
84 if(!(pb = (GdkPixbuf *)cache_get(&image_cache_type, name))) {
85 byte_xasprintf(&path, "%s/static/%s", pkgdatadir, name);
86 if(!(pb = gdk_pixbuf_new_from_file(path, &err))) {
87 error(0, "%s", err->message);
88 return 0;
89 }
e9b70a84 90 NW(cached_image);
460b9539 91 cache_put(&image_cache_type, name, pb);
92 }
93 return pb;
94}
95
2c348789 96/** @brief Pop up an error message */
460b9539 97void popup_error(const char *msg) {
98 GtkWidget *w;
99
100 w = gtk_message_dialog_new(GTK_WINDOW(toplevel),
101 GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
102 GTK_MESSAGE_ERROR,
103 GTK_BUTTONS_CLOSE,
104 "%s", msg);
105 gtk_dialog_run(GTK_DIALOG(w));
106 gtk_widget_destroy(w);
107}
108
109/*
110Local Variables:
111c-basic-offset:2
112comment-column:40
113fill-column:79
114indent-tabs-mode:nil
115End:
116*/