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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 | */ | |
2c348789 RK |
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 | 28 | WT(cached_image); |
29 | ||
460b9539 | 30 | /* Functions */ |
31 | ||
2c348789 RK |
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 | 37 | GtkWidget *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 | ||
2c348789 RK |
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 | 77 | GdkPixbuf *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 | 97 | void 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 | /* | |
110 | Local Variables: | |
111 | c-basic-offset:2 | |
112 | comment-column:40 | |
113 | fill-column:79 | |
114 | indent-tabs-mode:nil | |
115 | End: | |
116 | */ |