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1 | /* |
2 | * This file is part of DisOrder. | |
3 | * Copyright (C) 2006, 2007 Richard Kettlewell | |
4 | * | |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
c3df9503 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
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8 | * (at your option) any later version. |
9 | * | |
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10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
c3df9503 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 | */ |
18 | /** @file disobedience/progress.c | |
19 | * @brief Progress bar support | |
20 | */ | |
21 | ||
22 | #include "disobedience.h" | |
23 | ||
24 | /** @brief State for progress windows */ | |
25 | struct progress_window { | |
26 | /** @brief The window */ | |
27 | GtkWidget *window; | |
28 | /** @brief The bar */ | |
29 | GtkWidget *bar; | |
30 | }; | |
31 | ||
32 | /** @brief Create a progress window */ | |
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33 | struct progress_window *progress_window_new(const char *title, |
34 | GtkWidget *parent) { | |
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35 | struct progress_window *pw = xmalloc(sizeof *pw); |
36 | ||
37 | pw->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); | |
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38 | if(parent) |
39 | gtk_window_set_transient_for(GTK_WINDOW(pw->window), | |
40 | GTK_WINDOW(parent)); | |
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41 | g_signal_connect(pw->window, "destroy", |
42 | G_CALLBACK(gtk_widget_destroyed), &pw->window); | |
43 | gtk_window_set_default_size(GTK_WINDOW(pw->window), 360, -1); | |
44 | gtk_window_set_title(GTK_WINDOW(pw->window), title); | |
45 | pw->bar = gtk_progress_bar_new(); | |
46 | gtk_container_add(GTK_CONTAINER(pw->window), pw->bar); | |
47 | gtk_widget_show_all(pw->window); | |
48 | return pw; | |
49 | } | |
50 | ||
51 | /** @brief Report current progress | |
52 | * The window is automatically destroyed if @p progress >= @p limit. | |
53 | * To cancel a window just call with both set to 0. | |
54 | */ | |
55 | void progress_window_progress(struct progress_window *pw, | |
56 | int progress, | |
57 | int limit) { | |
58 | if(!pw) | |
59 | return; | |
60 | /* Maybe the user closed the window */ | |
61 | if(!pw->window) | |
62 | return; | |
63 | /* Clamp insane or inconvenient values */ | |
64 | if(limit <= 0) | |
65 | progress = limit = 1; | |
66 | if(progress < 0) | |
67 | progress = 0; | |
68 | /* Maybe we're done */ | |
69 | if(progress >= limit) { | |
70 | gtk_widget_destroy(pw->window); | |
71 | pw->window = pw->bar = 0; | |
72 | return; | |
73 | } | |
74 | /* Display current progress */ | |
75 | gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pw->bar), | |
76 | (double)progress / limit); | |
77 | } | |
78 | ||
79 | /* | |
80 | Local Variables: | |
81 | c-basic-offset:2 | |
82 | comment-column:40 | |
83 | fill-column:79 | |
84 | indent-tabs-mode:nil | |
85 | End: | |
86 | */ |