Implement page icon based tab colors
Colorful Tabs now uses the icon of a page as the basis for the tab color, if it has one, otherwise falls back to the previous address based hash. The forground color is also adjusted for dark colored tabs.
This commit is contained in:
Samuel Creshal
Christian Dywan
parent
0d27d6f17d
commit
3cbce9896b
1 changed files with 88 additions and 22 deletions
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@ -1,5 +1,6 @@
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/*
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Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
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Copyright (C) 2010 Samuel Creshal <creshal@arcor.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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@ -11,56 +12,118 @@
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#include <midori/midori.h>
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static void
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colorful_tabs_modify_fg (GtkWidget* child,
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GdkColor* color)
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{
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if (GTK_IS_LABEL (child))
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{
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gtk_widget_modify_fg (child, GTK_STATE_ACTIVE, color);
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gtk_widget_modify_fg (child, GTK_STATE_NORMAL, color);
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}
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}
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static void
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colorful_tabs_view_notify_uri_cb (MidoriView* view,
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GParamSpec* pspec,
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MidoriExtension* extension)
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{
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GtkWidget* box;
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GtkWidget* label;
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SoupURI* uri;
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gchar* hash;
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gchar* colorstr;
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GdkColor color;
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GdkColor fgcolor;
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GdkPixbuf* icon;
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label = midori_view_get_proxy_tab_label (view);
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/* Find a color that is unique to an address. We merely compute
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a hash value, pick the first 6 + 1 characters and turn the
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first into a hash sign, ie. #8b424b. In case a color is too
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dark, we lighten it up a litte. Finally we make the event box
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visible and modify its background. */
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if ((uri = soup_uri_new (midori_view_get_display_uri (view))) && uri->host)
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if ((uri = soup_uri_new (midori_view_get_display_uri (view)))
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&& uri->host && (katze_object_get_enum (view, "load-status") == MIDORI_LOAD_FINISHED))
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{
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hash = g_compute_checksum_for_string (G_CHECKSUM_MD5, uri->host, -1);
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soup_uri_free (uri);
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icon = midori_view_get_icon (view);
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if (midori_view_get_icon_uri (view) != NULL)
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{
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GdkPixbuf* newpix;
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guchar* pixels;
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newpix = gdk_pixbuf_scale_simple (icon, 1, 1, GDK_INTERP_BILINEAR);
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g_return_if_fail (gdk_pixbuf_get_bits_per_sample (newpix) == 8);
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pixels = gdk_pixbuf_get_pixels (newpix);
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color.red = pixels[0] * 225;
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color.green = pixels[1] * 225;
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color.blue = pixels[2] * 225;
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}
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else
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{
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gchar* hash = g_compute_checksum_for_string (G_CHECKSUM_MD5, uri->host, 1);
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colorstr = g_strndup (hash, 6 + 1);
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g_free (hash);
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colorstr[0] = '#';
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gdk_color_parse (colorstr, &color);
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if (color.red < 35000)
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color.red += 25000 + (color.blue + 1) / 2;
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if (color.green < 35000)
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color.green += 25000 + (color.red + 1) / 2;
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if (color.blue < 35000)
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color.blue += 25000 + (color.green + 1) / 2;
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}
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soup_uri_free (uri);
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if ((color.red < 35000)
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&& (color.green < 35000)
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&& (color.blue < 35000))
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{
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color.red += 20000;
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color.green += 20000;
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color.blue += 20000;
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}
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/* Ensure high contrast by enforcing black/ white text colour. */
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if ((color.red < 41000)
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&& (color.green < 41000)
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&& (color.blue < 41000))
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gdk_color_parse ("#fff", &fgcolor);
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else
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gdk_color_parse ("#000", &fgcolor);
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box = gtk_bin_get_child (GTK_BIN (label));
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gtk_event_box_set_visible_window (GTK_EVENT_BOX (label), TRUE);
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gtk_container_foreach (GTK_CONTAINER (box),
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(GtkCallback) colorful_tabs_modify_fg,
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&fgcolor);
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gtk_widget_modify_bg (label, GTK_STATE_NORMAL, &color);
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if (color.red < 10000)
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color.red = 5000;
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else
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color.red -= 5000;
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if (color.blue < 10000)
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color.blue = 5000;
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else
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color.blue -= 5000;
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if (color.green < 10000)
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color.green = 5000;
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else
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color.green -= 5000;
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gtk_widget_modify_bg (label, GTK_STATE_ACTIVE, &color);
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}
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else
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{
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gtk_widget_modify_bg (label, GTK_STATE_NORMAL, NULL);
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gtk_widget_modify_bg (label, GTK_STATE_ACTIVE, NULL);
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gtk_container_foreach (GTK_CONTAINER (gtk_bin_get_child (GTK_BIN (label))),
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(GtkCallback) colorful_tabs_modify_fg,
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NULL);
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}
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}
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static void
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colorful_tabs_browser_add_tab_cb (MidoriBrowser* browser,
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GtkWidget* view,
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MidoriExtension* extension)
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{
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colorful_tabs_view_notify_uri_cb (MIDORI_VIEW (view), NULL, extension);
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g_signal_connect (view, "notify::uri",
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g_signal_connect (view, "notify::icon",
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G_CALLBACK (colorful_tabs_view_notify_uri_cb), extension);
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}
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@ -90,6 +153,9 @@ colorful_tabs_deactivate_cb (MidoriExtension* extension,
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gtk_event_box_set_visible_window (GTK_EVENT_BOX (label), FALSE);
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gtk_widget_modify_bg (label, GTK_STATE_NORMAL, NULL);
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gtk_widget_modify_bg (label, GTK_STATE_ACTIVE, NULL);
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gtk_container_foreach (GTK_CONTAINER (gtk_bin_get_child (GTK_BIN (label))),
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(GtkCallback) colorful_tabs_modify_fg,
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NULL);
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g_signal_handlers_disconnect_by_func (
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view, colorful_tabs_view_notify_uri_cb, extension);
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}
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@ -137,8 +203,8 @@ extension_init (void)
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MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
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"name", _("Colorful Tabs"),
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"description", _("Tint each tab distinctly"),
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"version", "0.1",
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"authors", "Christian Dywan <christian@twotoasts.de>",
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"version", "0.5",
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"authors", "Christian Dywan <christian@twotoasts.de>, Samuel Creshal <creshal@arcor.de>",
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NULL);
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g_signal_connect (extension, "activate",
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