Commit c996af34 authored by Matthias Clasen's avatar Matthias Clasen Committed by Matthias Clasen

Add GtkLinkButton, a port of GnomeHRef. (#314808, Emmanuele Bassi)

2006-01-23  Matthias Clasen  <mclasen@redhat.com>

	Add GtkLinkButton, a port of GnomeHRef.  (#314808, Emmanuele Bassi)

	* gtk/gtklinkbutton.h:
	* gtk/gtklinkbutton.c: New files.

	* gtk/gtk.h:
	* gtk/gtk.symbols:
	* gtk/Makefile.am: Glue.

	* gtk/gtkaboutdialog.c: Use GtkLinkButton.
parent deb3e42d
2006-01-23 Matthias Clasen <mclasen@redhat.com>
Add GtkLinkButton, a port of GnomeHRef. (#314808, Emmanuele Bassi)
* gtk/gtklinkbutton.h:
* gtk/gtklinkbutton.c: New files.
* gtk/gtk.h:
* gtk/gtk.symbols:
* gtk/Makefile.am: Glue.
* gtk/gtkaboutdialog.c: Use GtkLinkButton.
* gtk/gtkwidget.c: Add link-color and visited-link-color style
properties. (#113649, Leena Gunda)
......
2006-01-23 Matthias Clasen <mclasen@redhat.com>
Add GtkLinkButton, a port of GnomeHRef. (#314808, Emmanuele Bassi)
* gtk/gtklinkbutton.h:
* gtk/gtklinkbutton.c: New files.
* gtk/gtk.h:
* gtk/gtk.symbols:
* gtk/Makefile.am: Glue.
* gtk/gtkaboutdialog.c: Use GtkLinkButton.
* gtk/gtkwidget.c: Add link-color and visited-link-color style
properties. (#113649, Leena Gunda)
......
......@@ -198,6 +198,7 @@ gtk_public_h_sources = \
gtkitemfactory.h \
gtklabel.h \
gtklayout.h \
gtklinkbutton.h \
gtklist.h \
gtklistitem.h \
gtkliststore.h \
......@@ -423,6 +424,7 @@ gtk_c_sources = \
gtkkeyhash.h \
gtklabel.c \
gtklayout.c \
gtklinkbutton.c \
gtklist.c \
gtklistitem.c \
gtkliststore.c \
......
......@@ -110,6 +110,7 @@
#include <gtk/gtkitemfactory.h>
#include <gtk/gtklabel.h>
#include <gtk/gtklayout.h>
#include <gtk/gtklinkbutton.h>
#include <gtk/gtklist.h>
#include <gtk/gtklistitem.h>
#include <gtk/gtkliststore.h>
......
......@@ -1994,6 +1994,16 @@ gtk_layout_thaw
#endif
#endif
#if IN_HEADER(__GTK_LINK_BUTTON_H__)
#if IN_FILE(__GTK_LINK_BUTTON_C__)
gtk_link_button_get_type G_GNUC_CONST
gtk_link_button_new
gtk_link_button_new_with_label
gtk_link_button_get_uri
gtk_link_button_set_uri
#endif
#endif
#if IN_HEADER(__GTK_LIST_H__)
#if IN_FILE(__GTK_LIST_C__)
gtk_list_append_items
......
......@@ -39,6 +39,7 @@
#include "gtkhbox.h"
#include "gtkimage.h"
#include "gtklabel.h"
#include "gtklinkbutton.h"
#include "gtkmarshalers.h"
#include "gtknotebook.h"
#include "gtkscrolledwindow.h"
......@@ -133,14 +134,6 @@ static void update_name_version (GtkAboutDialog
static GtkIconSet * icon_set_new_from_pixbufs (GList *pixbufs);
static void activate_url (GtkWidget *widget,
gpointer data);
static void set_link_button_text (GtkWidget *about,
GtkWidget *button,
gchar *text);
static GtkWidget * create_link_button (GtkWidget *about,
gchar *text,
gchar *url,
GCallback callback,
gpointer data);
static void follow_if_link (GtkAboutDialog *about,
GtkTextView *text_view,
GtkTextIter *iter);
......@@ -486,8 +479,9 @@ gtk_about_dialog_init (GtkAboutDialog *about)
gtk_label_set_justify (GTK_LABEL (priv->copyright_label), GTK_JUSTIFY_CENTER);
gtk_box_pack_start (GTK_BOX (vbox), priv->copyright_label, FALSE, FALSE, 0);
button = create_link_button (GTK_WIDGET (about), "", "",
G_CALLBACK (activate_url), about);
button = gtk_link_button_new ("");
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (activate_url), about);
hbox = gtk_hbox_new (TRUE, 0);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
......@@ -1141,9 +1135,7 @@ gtk_about_dialog_set_website (GtkAboutDialog *about,
priv->website = g_strdup (website);
if (activate_url_hook != NULL)
{
g_object_set_data_full (G_OBJECT (priv->website_button),
I_("url"),
g_strdup (website), g_free);
gtk_link_button_set_uri (GTK_LINK_BUTTON (priv->website_button), website);
if (priv->website_label == NULL)
gtk_about_dialog_set_website_label (about, website);
}
......@@ -1160,8 +1152,6 @@ gtk_about_dialog_set_website (GtkAboutDialog *about,
else
{
priv->website = NULL;
g_object_set_data (G_OBJECT (priv->website_button),
I_("url"), NULL);
gtk_widget_hide (priv->website_button);
}
g_free (tmp);
......@@ -1219,8 +1209,7 @@ gtk_about_dialog_set_website_label (GtkAboutDialog *about,
if (website_label != NULL)
{
priv->website_label = g_strdup (website_label);
set_link_button_text (GTK_WIDGET (about),
priv->website_button,
gtk_button_set_label (GTK_BUTTON (priv->website_button),
priv->website_label);
gtk_widget_show (priv->website_button);
}
......@@ -1632,86 +1621,12 @@ activate_url (GtkWidget *widget,
gpointer data)
{
GtkAboutDialog *about = GTK_ABOUT_DIALOG (data);
gchar *url = g_object_get_data (G_OBJECT (widget), "url");
gchar *url = gtk_link_button_get_uri (GTK_LINK_BUTTON (widget));
if (activate_url_hook != NULL)
(* activate_url_hook) (about, url, activate_url_hook_data);
}
static void
set_link_button_text (GtkWidget *about,
GtkWidget *button,
gchar *text)
{
GtkWidget *label;
gchar *link;
GdkColor *style_link_color;
GdkColor link_color = { 0, 0, 0, 0xeeee };
gtk_widget_ensure_style (about);
gtk_widget_style_get (about, "link-color", &style_link_color, NULL);
if (style_link_color)
{
link_color = *style_link_color;
gdk_color_free (style_link_color);
}
link = g_markup_printf_escaped ("<span foreground=\"#%04x%04x%04x\" underline=\"single\">%s</span>",
link_color.red, link_color.green, link_color.blue, text);
label = gtk_bin_get_child (GTK_BIN (button));
gtk_label_set_markup (GTK_LABEL (label), link);
g_free (link);
}
static gboolean
link_button_enter (GtkWidget *widget,
GdkEventCrossing *event,
GtkAboutDialog *about)
{
GtkAboutDialogPrivate *priv = (GtkAboutDialogPrivate *)about->private_data;
gdk_window_set_cursor (widget->window, priv->hand_cursor);
return FALSE;
}
static gboolean
link_button_leave (GtkWidget *widget,
GdkEventCrossing *event,
GtkAboutDialog *about)
{
gdk_window_set_cursor (widget->window, NULL);
return FALSE;
}
static GtkWidget *
create_link_button (GtkWidget *about,
gchar *text,
gchar *url,
GCallback callback,
gpointer data)
{
GtkWidget *button;
button = gtk_button_new_with_label ("");
GTK_WIDGET_UNSET_FLAGS (button, GTK_RECEIVES_DEFAULT);
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
g_object_set_data_full (G_OBJECT (button),
I_("url"),
g_strdup (url), g_free);
set_link_button_text (about, button, text);
g_signal_connect (button, "clicked", callback, data);
g_signal_connect (button, "enter_notify_event",
G_CALLBACK (link_button_enter), data);
g_signal_connect (button, "leave_notify_event",
G_CALLBACK (link_button_leave), data);
return button;
}
static void
follow_if_link (GtkAboutDialog *about,
GtkTextView *text_view,
......
/* GTK - The GIMP Toolkit
* gtklinkbutton.c - an hyperlink-enabled button
*
* Copyright (C) 2006 Emmanuele Bassi <ebassi@gmail.com>
* All rights reserved.
*
* Based on gnome-href code by:
* James Henstridge <james@daa.com.au>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include <string.h>
#include <gdk/gdkcolor.h>
#include <gdk/gdkcursor.h>
#include <gdk/gdkdisplay.h>
#include "gtkclipboard.h"
#include "gtkdnd.h"
#include "gtkimagemenuitem.h"
#include "gtklabel.h"
#include "gtkmain.h"
#include "gtkmenu.h"
#include "gtkmenuitem.h"
#include "gtkstock.h"
#include "gtklinkbutton.h"
#include "gtkintl.h"
#include "gtkalias.h"
struct _GtkLinkButtonPrivate
{
gchar *uri;
gboolean visited;
GtkWidget *popup_menu;
};
enum
{
PROP_0,
PROP_URI,
};
#define GTK_LINK_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_LINK_BUTTON, GtkLinkButtonPrivate))
static void gtk_link_button_finalize (GObject *object);
static void gtk_link_button_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_link_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_link_button_add (GtkContainer *container,
GtkWidget *widget);
static gboolean gtk_link_button_button_press (GtkWidget *widget,
GdkEventButton *event);
static void gtk_link_button_clicked (GtkButton *button);
static gboolean gtk_link_button_popup_menu (GtkWidget *widget);
static void gtk_link_button_style_set (GtkWidget *widget,
GtkStyle *old_style);
static gboolean gtk_link_button_enter_cb (GtkWidget *widget,
GdkEventCrossing *event,
gpointer user_data);
static gboolean gtk_link_button_leave_cb (GtkWidget *widget,
GdkEventCrossing *event,
gpointer user_data);
static void gtk_link_button_drag_data_get_cb (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection,
guint _info,
guint _time,
gpointer user_data);
static const GtkTargetEntry link_drop_types[] = {
{ "text/uri-list", 0, 0 },
{ "_NETSCAPE_URL", 0, 0 }
};
static GdkColor default_link_color = { 0, 0, 0, 0xeeee };
static GdkColor default_visited_link_color = { 0, 0x5555, 0x1a1a, 0x8b8b };
G_DEFINE_TYPE (GtkLinkButton, gtk_link_button, GTK_TYPE_BUTTON);
static void
gtk_link_button_class_init (GtkLinkButtonClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkContainerClass *container_class = GTK_WIDGET_CLASS (klass);
GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
gobject_class->set_property = gtk_link_button_set_property;
gobject_class->get_property = gtk_link_button_get_property;
gobject_class->finalize = gtk_link_button_finalize;
widget_class->button_press_event = gtk_link_button_button_press;
widget_class->popup_menu = gtk_link_button_popup_menu;
widget_class->style_set = gtk_link_button_style_set;
container_class->add = gtk_link_button_add;
button_class->clicked = gtk_link_button_clicked;
/**
* GtkLinkButton:uri
*
* The URI bound to this button.
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
PROP_URI,
g_param_spec_string ("uri",
_("URI"),
_("The URI bound to this button"),
"http://www.gtk.org",
G_PARAM_READWRITE));
g_type_class_add_private (gobject_class, sizeof (GtkLinkButtonPrivate));
}
static void
gtk_link_button_init (GtkLinkButton *link_button)
{
link_button->priv = GTK_LINK_BUTTON_GET_PRIVATE (link_button),
gtk_button_set_relief (GTK_BUTTON (link_button), GTK_RELIEF_NONE);
g_signal_connect (link_button, "enter-notify-event",
G_CALLBACK (gtk_link_button_enter_cb), NULL);
g_signal_connect (link_button, "leave-notify-event",
G_CALLBACK (gtk_link_button_leave_cb), NULL);
g_signal_connect (link_button, "drag-data-get",
G_CALLBACK (gtk_link_button_drag_data_get_cb), NULL);
/* enable drag source */
gtk_drag_source_set (GTK_WIDGET (link_button),
GDK_BUTTON1_MASK,
link_drop_types, G_N_ELEMENTS (link_drop_types),
GDK_ACTION_COPY);
}
static void
gtk_link_button_finalize (GObject *object)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (object);
g_free (link_button->priv->uri);
G_OBJECT_CLASS (gtk_link_button_parent_class)->finalize (object);
}
static void
gtk_link_button_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (object);
switch (prop_id)
{
case PROP_URI:
g_value_set_string (value, link_button->priv->uri);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_link_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (object);
switch (prop_id)
{
case PROP_URI:
gtk_link_button_set_uri (link_button, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
set_link_color (GtkLinkButton *link_button)
{
GdkColor *link_color = NULL;
GtkWidget *label;
label = gtk_bin_get_child (GTK_BIN (link_button));
if (link_button->priv->visited)
{
gtk_widget_style_get (GTK_WIDGET (link_button),
"visited-link-color", &link_color, NULL);
if (!link_color)
link_color = &default_visited_link_color;
}
else
{
gtk_widget_style_get (GTK_WIDGET (link_button),
"link-color", &link_color, NULL);
if (!link_color)
link_color = &default_link_color;
}
gtk_widget_modify_fg (label, GTK_STATE_NORMAL, link_color);
gtk_widget_modify_fg (label, GTK_STATE_ACTIVE, link_color);
gtk_widget_modify_fg (label, GTK_STATE_PRELIGHT, link_color);
gtk_widget_modify_fg (label, GTK_STATE_SELECTED, link_color);
if (link_color != &default_link_color &&
link_color != &default_visited_link_color)
gdk_color_free (link_color);
}
static void
set_link_underline (GtkLinkButton *link_button)
{
GtkWidget *label;
label = gtk_bin_get_child (GTK_BIN (link_button));
if (GTK_IS_LABEL (label))
{
PangoAttrList *attributes;
PangoAttribute *uline;
uline = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
uline->start_index = 0;
uline->end_index = G_MAXUINT;
attributes = pango_attr_list_new ();
pango_attr_list_insert (attributes, uline);
gtk_label_set_attributes (GTK_LABEL (label), attributes);
}
}
static void
gtk_link_button_add (GtkContainer *container,
GtkWidget *widget)
{
GTK_CONTAINER_CLASS (gtk_link_button_parent_class)->add (container, widget);
set_link_underline (GTK_LINK_BUTTON (container));
}
static void
gtk_link_button_style_set (GtkWidget *widget,
GtkStyle *old_style)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (widget);
set_link_color (link_button);
}
static void
set_hand_cursor (GtkWidget *widget,
gboolean show_hand)
{
GdkDisplay *display;
GdkCursor *cursor;
display = gtk_widget_get_display (widget);
cursor = NULL;
if (show_hand)
cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
gdk_window_set_cursor (widget->window, cursor);
gdk_display_flush (display);
if (cursor)
gdk_cursor_unref (cursor);
}
static void
popup_menu_detach (GtkWidget *attach_widget,
GtkMenu *menu)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (attach_widget);
link_button->priv->popup_menu = NULL;
}
static void
popup_position_func (GtkMenu *menu,
gint *x,
gint *y,
gboolean *push_in,
gpointer user_data)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (user_data);
GtkLinkButtonPrivate *priv = link_button->priv;
GtkWidget *widget = GTK_WIDGET (link_button);
GdkScreen *screen = gtk_widget_get_screen (widget);
GtkRequisition req;
gint monitor_num;
GdkRectangle monitor;
g_return_if_fail (GTK_WIDGET_REALIZED (link_button));
gdk_window_get_origin (widget->window, x, y);
gtk_widget_size_request (priv->popup_menu, &req);
*x += widget->allocation.width / 2;
*y += widget->allocation.height;
monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y);
gtk_menu_set_monitor (menu, monitor_num);
gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
*x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width));
*y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height));
*push_in = FALSE;
}
static void
copy_activate_cb (GtkWidget *widget,
GtkLinkButton *link_button)
{
GtkLinkButtonPrivate *priv = link_button->priv;
gtk_clipboard_set_text (gtk_widget_get_clipboard (GTK_WIDGET (link_button),
GDK_SELECTION_CLIPBOARD),
priv->uri, -1);
}
static void
gtk_link_button_do_popup (GtkLinkButton *link_button,
GdkEventButton *event)
{
GtkLinkButtonPrivate *priv = link_button->priv;
gint button;
guint time;
if (event)
{
button = event->button;
time = event->time;
}
else
{
button = 0;
time = gtk_get_current_event_time ();
}
if (GTK_WIDGET_REALIZED (link_button))
{
GtkWidget *menu_item;
if (priv->popup_menu)
gtk_widget_destroy (priv->popup_menu);
priv->popup_menu = gtk_menu_new ();
gtk_menu_attach_to_widget (GTK_MENU (priv->popup_menu),
GTK_WIDGET (link_button),
popup_menu_detach);
menu_item = gtk_image_menu_item_new_with_mnemonic (_("Copy URL"));
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item),
gtk_image_new_from_stock (GTK_STOCK_COPY,
GTK_ICON_SIZE_MENU));
g_signal_connect (menu_item, "activate",
G_CALLBACK (copy_activate_cb), link_button);
gtk_widget_show (menu_item);
gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menu_item);
if (button)
gtk_menu_popup (GTK_MENU (priv->popup_menu), NULL, NULL,
NULL, NULL,
button, time);
else
{
gtk_menu_popup (GTK_MENU (priv->popup_menu), NULL, NULL,
popup_position_func, link_button,
button, time);
gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->popup_menu), FALSE);
}
}
}
static gboolean
gtk_link_button_button_press (GtkWidget *widget,
GdkEventButton *event)
{
if (!GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
if ((event->button == 3) && (event->type == GDK_BUTTON_PRESS))
{
gtk_link_button_do_popup (GTK_LINK_BUTTON (widget), event);
return TRUE;
}
if (GTK_WIDGET_CLASS (gtk_link_button_parent_class)->button_press_event)
return (* GTK_WIDGET_CLASS (gtk_link_button_parent_class)->button_press_event) (widget, event);
return FALSE;
}
static void
gtk_link_button_clicked (GtkButton *button)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (button);
link_button->priv->visited = TRUE;
set_link_color (link_button);
}
static gboolean
gtk_link_button_popup_menu (GtkWidget *widget)
{
gtk_link_button_do_popup (GTK_LINK_BUTTON (widget), NULL);
return TRUE;
}
static gboolean
gtk_link_button_enter_cb (GtkWidget *widget,
GdkEventCrossing *crossing,
gpointer user_data)
{
set_hand_cursor (widget, TRUE);
return FALSE;
}
static gboolean
gtk_link_button_leave_cb (GtkWidget *widget,
GdkEventCrossing *crossing,
gpointer user_data)
{
set_hand_cursor (widget, FALSE);
return FALSE;
}
static void
gtk_link_button_drag_data_get_cb (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection,
guint _info,
guint _time,
gpointer user_data)
{
GtkLinkButton *link_button = GTK_LINK_BUTTON (widget);
gchar *uri;
uri = g_strdup_printf ("%s\r\n", link_button->priv->uri);
gtk_selection_data_set (selection,
selection->target,
8,
(guchar *) uri,
strlen (uri));
g_free (uri);
}
/**
* gtk_link_button_new:
* @uri: a valid URI
*
* Creates a new #GtkLinkButton with the URI as its text.
*
* Return value: a new link button widget.
*
* Since: 2.10
*/
GtkWidget *
gtk_link_button_new (const gchar *uri)
{
gchar *utf8_uri = NULL;
GtkWidget *retval;
g_return_val_if_fail (uri != NULL, NULL);
if (g_utf8_validate (uri, -1, NULL))
{
utf8_uri = g_strdup (uri);
}
else
{
GError *conv_err = NULL;
utf8_uri = g_locale_to_utf8 (uri, -1, NULL, NULL, &conv_err);
if (conv_err)
{
g_warning ("Attempting to convert URI `%s' to UTF-8, but failed "
"with error: %s\n",
uri,
conv_err->message);