midori/extensions/colorful-tabs.c

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2009-03-20 01:34:27 +00:00
/*
Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
#include <midori/midori.h>
static void
colorful_tabs_view_notify_uri_cb (MidoriView* view,
GParamSpec* pspec,
MidoriExtension* extension)
{
GtkWidget* label;
SoupURI* uri;
gchar* hash;
gchar* colorstr;
GdkColor color;
label = midori_view_get_proxy_tab_label (view);
/* Find a color that is unique to an address. We merely compute
a hash value, pick the first 6 + 1 characters and turn the
first into a hash sign, ie. #8b424b. In case a color is too
dark, we lighten it up a litte. Finally we make the event box
visible and modify its background. */
if ((uri = soup_uri_new (midori_view_get_display_uri (view))) && uri->host)
{
hash = g_compute_checksum_for_string (G_CHECKSUM_MD5, uri->host, -1);
soup_uri_free (uri);
colorstr = g_strndup (hash, 6 + 1);
g_free (hash);
colorstr[0] = '#';
gdk_color_parse (colorstr, &color);
if (color.red < 35000)
color.red += 25000 + (color.blue + 1) / 2;
if (color.green < 35000)
color.green += 25000 + (color.red + 1) / 2;
if (color.blue < 35000)
color.blue += 25000 + (color.green + 1) / 2;
gtk_event_box_set_visible_window (GTK_EVENT_BOX (label), TRUE);
gtk_widget_modify_bg (label, GTK_STATE_NORMAL, &color);
gtk_widget_modify_bg (label, GTK_STATE_ACTIVE, &color);
}
else
{
gtk_widget_modify_bg (label, GTK_STATE_NORMAL, NULL);
gtk_widget_modify_bg (label, GTK_STATE_ACTIVE, NULL);
}
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}
static void
colorful_tabs_browser_add_tab_cb (MidoriBrowser* browser,
GtkWidget* view,
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MidoriExtension* extension)
{
colorful_tabs_view_notify_uri_cb (MIDORI_VIEW (view), NULL, extension);
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g_signal_connect (view, "notify::uri",
G_CALLBACK (colorful_tabs_view_notify_uri_cb), extension);
}
static void
colorful_tabs_app_add_browser_cb (MidoriApp* app,
MidoriBrowser* browser,
MidoriExtension* extension);
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static void
colorful_tabs_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser)
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{
guint i;
GtkWidget* view;
MidoriApp* app = midori_extension_get_app (extension);
g_signal_handlers_disconnect_by_func (
app, colorful_tabs_app_add_browser_cb, extension);
g_signal_handlers_disconnect_by_func (
browser, colorful_tabs_browser_add_tab_cb, extension);
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g_signal_handlers_disconnect_by_func (
extension, colorful_tabs_deactivate_cb, browser);
i = 0;
while ((view = midori_browser_get_nth_tab (browser, i++)))
{
GtkWidget* label = midori_view_get_proxy_tab_label (MIDORI_VIEW (view));
gtk_event_box_set_visible_window (GTK_EVENT_BOX (label), FALSE);
gtk_widget_modify_bg (label, GTK_STATE_NORMAL, NULL);
gtk_widget_modify_bg (label, GTK_STATE_ACTIVE, NULL);
g_signal_handlers_disconnect_by_func (
view, colorful_tabs_view_notify_uri_cb, extension);
}
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}
static void
colorful_tabs_app_add_browser_cb (MidoriApp* app,
MidoriBrowser* browser,
MidoriExtension* extension)
{
guint i;
GtkWidget* view;
i = 0;
while ((view = midori_browser_get_nth_tab (browser, i++)))
colorful_tabs_browser_add_tab_cb (browser, view, extension);
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g_signal_connect (browser, "add-tab",
G_CALLBACK (colorful_tabs_browser_add_tab_cb), extension);
g_signal_connect (extension, "deactivate",
G_CALLBACK (colorful_tabs_deactivate_cb), browser);
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}
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static void
colorful_tabs_activate_cb (MidoriExtension* extension,
MidoriApp* app)
{
KatzeArray* browsers;
MidoriBrowser* browser;
guint i;
browsers = katze_object_get_object (app, "browsers");
i = 0;
while ((browser = katze_array_get_nth_item (browsers, i++)))
colorful_tabs_app_add_browser_cb (app, browser, extension);
g_signal_connect (app, "add-browser",
G_CALLBACK (colorful_tabs_app_add_browser_cb), extension);
g_object_unref (browsers);
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}
MidoriExtension*
extension_init (void)
{
MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
"name", _("Colorful Tabs"),
"description", _("Tint each tab distinctly"),
"version", "0.1",
"authors", "Christian Dywan <christian@twotoasts.de>",
NULL);
g_signal_connect (extension, "activate",
G_CALLBACK (colorful_tabs_activate_cb), NULL);
return extension;
}