tazweb view src/main.c @ rev 21

main.c: Add a back and forward button
author Christophe Lincoln <pankso@slitaz.org>
date Mon Apr 04 21:19:12 2011 +0200 (2011-04-04)
parents 8a95a53b519a
children de9970ba1162
line source
1 /*
2 * TazWeb is a radicaly simple web browser providing a single window
3 * with no toolbar, menu or tabs.
4 *
5 *
6 * Copyright (C) 2011 SliTaz GNU/Linux <devel@slitaz.org>
7 *
8 *
9 */
10
11 #include <gtk/gtk.h>
12 #include <webkit/webkit.h>
13
14 static GtkWidget* main_window;
15 static WebKitWebView* web_view;
16 static gchar* main_title;
17 static gdouble load_progress;
18 static guint status_context_id;
19
20 /* Page title to window title */
21 static void
22 update_title (GtkWindow* window)
23 {
24 GString* string = g_string_new (main_title);
25 g_string_append (string, " - TazWeb");
26 if (load_progress < 100)
27 g_string_append_printf (string, " (%f%%)", load_progress);
28 gchar* title = g_string_free (string, FALSE);
29 gtk_window_set_title (window, title);
30 g_free (title);
31 }
32
33 static void
34 notify_title_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
35 {
36 if (main_title)
37 g_free (main_title);
38 main_title = g_strdup (webkit_web_view_get_title(web_view));
39 update_title (GTK_WINDOW (main_window));
40 }
41
42 /* Request progress in window title */
43 static void
44 notify_progress_cb (WebKitWebView* web_view, GParamSpec* pspec, gpointer data)
45 {
46 load_progress = webkit_web_view_get_progress (web_view) * 100;
47 update_title (GTK_WINDOW (main_window));
48 }
49
50 static void
51 destroy_cb (GtkWidget* widget, gpointer data)
52 {
53 gtk_main_quit ();
54 }
55
56 /* Home button function */
57 static void
58 go_home_cb (GtkWidget* widget, gpointer data)
59 {
60 const gchar* uri = ("file:///usr/share/webhome/index.html");
61 g_assert (uri);
62 webkit_web_view_load_uri (web_view, uri);
63 }
64
65 static void
66 go_back_cb (GtkWidget* widget, gpointer data)
67 {
68 webkit_web_view_go_back (web_view);
69 }
70
71 static void
72 go_forward_cb (GtkWidget* widget, gpointer data)
73 {
74 webkit_web_view_go_forward (web_view);
75 }
76
77 /* TazWeb doc function */
78 static void
79 tazweb_doc_cb (GtkWidget* widget, gpointer data)
80 {
81 const gchar* uri = ("file:///usr/share/doc/tazweb/tazweb.html");
82 g_assert (uri);
83 webkit_web_view_load_uri (web_view, uri);
84 }
85
86 static GtkWidget*
87 create_browser ()
88 {
89 GtkWidget* scrolled_window = gtk_scrolled_window_new (NULL, NULL);
90 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
91
92 web_view = WEBKIT_WEB_VIEW (webkit_web_view_new ());
93 gtk_container_add (GTK_CONTAINER (scrolled_window), GTK_WIDGET (web_view));
94
95 g_signal_connect (web_view, "notify::title", G_CALLBACK (notify_title_cb), web_view);
96 g_signal_connect (web_view, "notify::progress", G_CALLBACK (notify_progress_cb), web_view);
97
98 return scrolled_window;
99 }
100
101 static GtkWidget*
102 create_toolbar ()
103 {
104 GtkWidget* toolbar = gtk_toolbar_new ();
105
106 gtk_toolbar_set_orientation (GTK_TOOLBAR (toolbar), GTK_ORIENTATION_HORIZONTAL);
107 gtk_toolbar_set_style (GTK_TOOLBAR (toolbar), GTK_TOOLBAR_BOTH_HORIZ);
108
109 GtkToolItem* item;
110
111 /* The Home button */
112 item = gtk_tool_button_new_from_stock (GTK_STOCK_HOME);
113 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (go_home_cb), NULL);
114 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
115
116 /* The back button */
117 item = gtk_tool_button_new_from_stock (GTK_STOCK_GO_BACK);
118 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (go_back_cb), NULL);
119 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
120
121 /* The forward button */
122 item = gtk_tool_button_new_from_stock (GTK_STOCK_GO_FORWARD);
123 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (go_forward_cb), NULL);
124 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
125
126 /* Expand to have help icon on the right */
127 item = gtk_tool_item_new ();
128 gtk_tool_item_set_expand (item, TRUE);
129 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
130
131 /* The TazWeb doc button */
132 item = gtk_tool_button_new_from_stock (GTK_STOCK_INFO);
133 g_signal_connect (G_OBJECT (item), "clicked", G_CALLBACK (tazweb_doc_cb), NULL);
134 gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
135
136 return toolbar;
137 }
138
139 /* Create an icon */
140 static GdkPixbuf*
141 create_pixbuf (const gchar * image)
142 {
143 GdkPixbuf *pixbuf;
144 pixbuf = gdk_pixbuf_new_from_file (image, NULL);
145
146 return pixbuf;
147 }
148
149 static GtkWidget*
150 create_window ()
151 {
152 GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
153 /* Default tazweb window size ratio to 3/4 ?? --> 720, 540*/
154 gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
155 gtk_window_set_icon (GTK_WINDOW (window),
156 create_pixbuf ("/usr/share/pixmaps/tazweb.png"));
157 gtk_widget_set_name (window, "TazWeb");
158 g_signal_connect (window, "destroy", G_CALLBACK (destroy_cb), NULL);
159
160 return window;
161 }
162
163 int
164 main (int argc, char* argv[])
165 {
166 gtk_init (&argc, &argv);
167 if (!g_thread_supported ())
168 g_thread_init (NULL);
169
170 GtkWidget* vbox = gtk_vbox_new (FALSE, 0);
171 gtk_box_pack_start (GTK_BOX (vbox), create_browser (), TRUE, TRUE, 0);
172 gtk_box_pack_start (GTK_BOX (vbox), create_toolbar (), FALSE, FALSE, 0);
173
174 main_window = create_window ();
175 gtk_container_add (GTK_CONTAINER (main_window), vbox);
176
177 /* Home page url or file */
178 gchar* uri = (gchar*) (argc > 1 ? argv[1] : "file:///usr/share/webhome/index.html");
179 webkit_web_view_load_uri (web_view, uri);
180
181 gtk_widget_grab_focus (GTK_WIDGET (web_view));
182 gtk_widget_show_all (main_window);
183 gtk_main ();
184
185 return 0;
186 }