Commit | Line | Data |
---|---|---|
c3df9503 RK |
1 | /* |
2 | * This file is part of DisOrder. | |
3 | * Copyright (C) 2006, 2007 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 | */ | |
20 | /** @file disobedience/progress.c | |
21 | * @brief Progress bar support | |
22 | */ | |
23 | ||
24 | #include "disobedience.h" | |
25 | ||
26 | /** @brief State for progress windows */ | |
27 | struct progress_window { | |
28 | /** @brief The window */ | |
29 | GtkWidget *window; | |
30 | /** @brief The bar */ | |
31 | GtkWidget *bar; | |
32 | }; | |
33 | ||
34 | /** @brief Create a progress window */ | |
35 | struct progress_window *progress_window_new(const char *title) { | |
36 | struct progress_window *pw = xmalloc(sizeof *pw); | |
37 | ||
38 | pw->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); | |
39 | g_signal_connect(pw->window, "destroy", | |
40 | G_CALLBACK(gtk_widget_destroyed), &pw->window); | |
41 | gtk_window_set_default_size(GTK_WINDOW(pw->window), 360, -1); | |
42 | gtk_window_set_title(GTK_WINDOW(pw->window), title); | |
43 | pw->bar = gtk_progress_bar_new(); | |
44 | gtk_container_add(GTK_CONTAINER(pw->window), pw->bar); | |
45 | gtk_widget_show_all(pw->window); | |
46 | return pw; | |
47 | } | |
48 | ||
49 | /** @brief Report current progress | |
50 | * The window is automatically destroyed if @p progress >= @p limit. | |
51 | * To cancel a window just call with both set to 0. | |
52 | */ | |
53 | void progress_window_progress(struct progress_window *pw, | |
54 | int progress, | |
55 | int limit) { | |
56 | if(!pw) | |
57 | return; | |
58 | /* Maybe the user closed the window */ | |
59 | if(!pw->window) | |
60 | return; | |
61 | /* Clamp insane or inconvenient values */ | |
62 | if(limit <= 0) | |
63 | progress = limit = 1; | |
64 | if(progress < 0) | |
65 | progress = 0; | |
66 | /* Maybe we're done */ | |
67 | if(progress >= limit) { | |
68 | gtk_widget_destroy(pw->window); | |
69 | pw->window = pw->bar = 0; | |
70 | return; | |
71 | } | |
72 | /* Display current progress */ | |
73 | gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pw->bar), | |
74 | (double)progress / limit); | |
75 | } | |
76 | ||
77 | /* | |
78 | Local Variables: | |
79 | c-basic-offset:2 | |
80 | comment-column:40 | |
81 | fill-column:79 | |
82 | indent-tabs-mode:nil | |
83 | End: | |
84 | */ |