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[evince] [libview] Add EvAnnotationWindow widget that implements popup annotations

commit 229170c1870cdc32fdd7dcf28136f437dc4cbab2
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Tue May 12 11:41:25 2009 +0200

    [libview] Add EvAnnotationWindow widget that implements popup annotations
---
 libview/Makefile.am            |    2 +
 libview/ev-annotation-window.c |  650 ++++++++++++++++++++++++++++++++++++++++
 libview/ev-annotation-window.h |   56 ++++
 libview/ev-view-marshal.list   |    1 +
 4 files changed, 709 insertions(+), 0 deletions(-)

diff --git a/libview/Makefile.am b/libview/Makefile.am
index d59de19..3a16b26 100644
--- a/libview/Makefile.am
+++ b/libview/Makefile.am
@@ -1,6 +1,7 @@
 lib_LTLIBRARIES = libevview.la
 
 NOINST_H_FILES =			\
+	ev-annotation-window.h		\
 	ev-pixbuf-cache.h		\
 	ev-timeline.h			\
 	ev-transition-animation.h	\
@@ -20,6 +21,7 @@ headerdir = $(includedir)/evince/$(EV_API_VERSION)/libview
 header_DATA = $(INST_H_FILES)
 
 libevview_la_SOURCES = 			\
+	ev-annotation-window.c		\
 	ev-jobs.c			\
 	ev-job-scheduler.c		\
 	ev-page-cache.c			\
diff --git a/libview/ev-annotation-window.c b/libview/ev-annotation-window.c
new file mode 100644
index 0000000..1991168
--- /dev/null
+++ b/libview/ev-annotation-window.c
@@ -0,0 +1,650 @@
+/* ev-annotation-window.c
+ *  this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos <carlosgc gnome org>
+ * Copyright (C) 2007 Iñigo Martinez <inigomartinez gmail com>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include "ev-annotation-window.h"
+#include "ev-stock-icons.h"
+#include "ev-view-marshal.h"
+
+enum {
+	PROP_0,
+	PROP_ANNOTATION,
+	PROP_PARENT
+};
+
+enum {
+	CLOSED,
+	MOVED,
+	N_SIGNALS
+};
+
+struct _EvAnnotationWindow {
+	GtkWindow     base_instance;
+
+	EvAnnotation *annotation;
+	GtkWindow    *parent;
+
+	GtkWidget    *title;
+	GtkWidget    *close_button;
+	GtkWidget    *text_view;
+	GtkWidget    *resize_se;
+	GtkWidget    *resize_sw;
+
+	gboolean      is_open;
+	EvRectangle  *rect;
+
+	gboolean      in_move;
+	gint          x;
+	gint          y;
+	gint          orig_x;
+	gint          orig_y;
+};
+
+struct _EvAnnotationWindowClass {
+	GtkWindowClass base_class;
+
+	void (* closed) (EvAnnotationWindow *window);
+	void (* moved)  (EvAnnotationWindow *window,
+			 gint                x,
+			 gint                y);
+};
+
+static guint signals[N_SIGNALS];
+
+G_DEFINE_TYPE (EvAnnotationWindow, ev_annotation_window, GTK_TYPE_WINDOW)
+
+#define EV_ICON_SIZE_ANNOT_WINDOW (ev_annotation_window_get_icon_size())
+
+/* Cut and paste from gtkwindow.c */
+static void
+send_focus_change (GtkWidget *widget,
+		   gboolean   in)
+{
+	GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
+
+	g_object_ref (widget);
+
+	if (in)
+		GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
+	else
+		GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
+
+	fevent->focus_change.type = GDK_FOCUS_CHANGE;
+	fevent->focus_change.window = g_object_ref (widget->window);
+	fevent->focus_change.in = in;
+
+	gtk_widget_event (widget, fevent);
+
+	g_object_notify (G_OBJECT (widget), "has-focus");
+
+	g_object_unref (widget);
+	gdk_event_free (fevent);
+}
+
+static gdouble
+get_screen_dpi (GtkWindow *window)
+{
+	GdkScreen *screen;
+	gdouble    xdpi, ydpi;
+
+	screen = gtk_window_get_screen (window);
+
+	xdpi = 25.4 * gdk_screen_get_width (screen) / gdk_screen_get_width_mm (screen);
+	ydpi = 25.4 * gdk_screen_get_height (screen) / gdk_screen_get_height_mm (screen);
+
+	return (xdpi + ydpi) / 2.0;
+}
+
+static GtkIconSize
+ev_annotation_window_get_icon_size (void)
+{
+	static GtkIconSize icon_size = 0;
+
+	if (G_UNLIKELY (icon_size == 0))
+		icon_size = gtk_icon_size_register ("ev-icon-size-annot-window", 8, 8);
+
+	return icon_size;
+}
+
+static void
+ev_annotation_window_check_contents_modified (EvAnnotationWindow *window)
+{
+	gchar         *contents;
+	GtkTextIter    start, end;
+	GtkTextBuffer *buffer;
+	EvAnnotation  *annot = window->annotation;
+
+	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->text_view));
+	gtk_text_buffer_get_bounds (buffer, &start, &end);
+	contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+
+	if (contents && annot->contents) {
+		if (strcasecmp (contents, annot->contents) != 0) {
+			g_free (annot->contents);
+			annot->contents = contents;
+			annot->changed = TRUE;
+		} else {
+			g_free (contents);
+		}
+	} else if (annot->contents) {
+		g_free (annot->contents);
+		annot->contents = NULL;
+		annot->changed = TRUE;
+	} else if (contents) {
+		annot->contents = contents;
+		annot->changed = TRUE;
+	}
+}
+
+static void
+ev_annotation_window_set_color (EvAnnotationWindow *window,
+				GdkColor           *color)
+{
+	GtkRcStyle *rc_style;
+	GdkColor    gcolor;
+
+	gcolor = *color;
+
+	/* Allocate these colors */
+	gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (window)),
+				  &gcolor, FALSE, TRUE);
+
+	/* Apply colors to style */
+	rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (window));
+	rc_style->base[GTK_STATE_NORMAL] = gcolor;
+	rc_style->bg[GTK_STATE_PRELIGHT] = gcolor;
+	rc_style->bg[GTK_STATE_NORMAL] = gcolor;
+	rc_style->bg[GTK_STATE_ACTIVE] = gcolor;
+	rc_style->color_flags[GTK_STATE_PRELIGHT] = GTK_RC_BG;
+	rc_style->color_flags[GTK_STATE_NORMAL] = GTK_RC_BG | GTK_RC_BASE;
+	rc_style->color_flags[GTK_STATE_ACTIVE] = GTK_RC_BG;
+
+	/* Apply the style to the widgets */
+	g_object_ref (rc_style);
+	gtk_widget_modify_style (GTK_WIDGET (window), rc_style);
+	gtk_widget_modify_style (window->close_button, rc_style);
+	gtk_widget_modify_style (window->resize_se, rc_style);
+	gtk_widget_modify_style (window->resize_sw, rc_style);
+	g_object_unref (rc_style);
+}
+
+static void
+ev_annotation_window_dispose (GObject *object)
+{
+	EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
+
+	if (window->annotation) {
+		ev_annotation_window_check_contents_modified (window);
+		g_object_unref (window->annotation);
+		window->annotation = NULL;
+	}
+
+	if (window->rect) {
+		ev_rectangle_free (window->rect);
+		window->rect = NULL;
+	}
+
+	(* G_OBJECT_CLASS (ev_annotation_window_parent_class)->dispose) (object);
+}
+
+static void
+ev_annotation_window_set_property (GObject      *object,
+				   guint         prop_id,
+				   const GValue *value,
+				   GParamSpec   *pspec)
+{
+	EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
+
+	switch (prop_id) {
+	case PROP_ANNOTATION:
+		window->annotation = g_value_dup_object (value);
+		break;
+	case PROP_PARENT:
+		window->parent = g_value_get_object (value);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+	}
+}
+
+static gboolean
+ev_annotation_window_resize (EvAnnotationWindow *window,
+			     GdkEventButton     *event,
+			     GtkWidget          *ebox)
+{
+	if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
+		gtk_window_begin_resize_drag (GTK_WINDOW (window),
+					      window->resize_sw == ebox ?
+					      GDK_WINDOW_EDGE_SOUTH_WEST :
+					      GDK_WINDOW_EDGE_SOUTH_EAST,
+					      event->button, event->x_root,
+					      event->y_root, event->time);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+static void
+ev_annotation_window_set_resize_cursor (GtkWidget          *widget,
+					EvAnnotationWindow *window)
+{
+	if (!widget->window)
+		return;
+
+	if (GTK_WIDGET_IS_SENSITIVE (widget)) {
+		GdkDisplay *display = gtk_widget_get_display (widget);
+		GdkCursor  *cursor;
+
+		cursor = gdk_cursor_new_for_display (display,
+						     widget == window->resize_sw ?
+						     GDK_BOTTOM_LEFT_CORNER :
+						     GDK_BOTTOM_RIGHT_CORNER);
+		gdk_window_set_cursor (widget->window, cursor);
+		gdk_cursor_unref (cursor);
+	} else {
+		gdk_window_set_cursor (widget->window, NULL);
+	}
+}
+
+static gboolean
+text_view_button_press (GtkWidget          *widget,
+			GdkEventButton     *event,
+			EvAnnotationWindow *window)
+{
+	ev_annotation_window_grab_focus (window);
+
+	return FALSE;
+}
+
+static void
+ev_annotation_window_close (EvAnnotationWindow *window)
+{
+	gtk_widget_hide (GTK_WIDGET (window));
+	g_signal_emit (window, signals[CLOSED], 0);
+}
+
+static void
+ev_annotation_window_init (EvAnnotationWindow *window)
+{
+	GtkWidget *vbox, *hbox;
+	GtkWidget *icon;
+	GtkWidget *swindow;
+
+	GTK_WIDGET_SET_FLAGS (window, GTK_CAN_FOCUS);
+
+	vbox = gtk_vbox_new (FALSE, 0);
+
+	/* Title bar */
+	hbox = gtk_hbox_new (FALSE, 0);
+
+	icon = gtk_image_new (); /* FIXME: use the annot icon */
+	gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
+	gtk_widget_show (icon);
+
+	window->title = gtk_label_new (NULL);
+	gtk_box_pack_start (GTK_BOX (hbox), window->title, TRUE, TRUE, 0);
+	gtk_widget_show (window->title);
+
+	window->close_button = gtk_button_new ();
+	gtk_button_set_relief (GTK_BUTTON (window->close_button), GTK_RELIEF_NONE);
+	gtk_container_set_border_width (GTK_CONTAINER (window->close_button), 0);
+	g_signal_connect_swapped (window->close_button, "clicked",
+				  G_CALLBACK (ev_annotation_window_close),
+				  window);
+	icon = gtk_image_new_from_stock (EV_STOCK_CLOSE, EV_ICON_SIZE_ANNOT_WINDOW);
+	gtk_container_add (GTK_CONTAINER (window->close_button), icon);
+	gtk_widget_show (icon);
+
+	gtk_box_pack_start (GTK_BOX (hbox), window->close_button, FALSE, FALSE, 0);
+	gtk_widget_show (window->close_button);
+
+	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+	gtk_widget_show (hbox);
+
+	/* Contents */
+	swindow = gtk_scrolled_window_new (NULL, NULL);
+	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
+					GTK_POLICY_AUTOMATIC,
+					GTK_POLICY_AUTOMATIC);
+	window->text_view = gtk_text_view_new ();
+	g_signal_connect (window->text_view, "button_press_event",
+			  G_CALLBACK (text_view_button_press),
+			  window);
+	gtk_container_add (GTK_CONTAINER (swindow), window->text_view);
+	gtk_widget_show (window->text_view);
+
+	gtk_box_pack_start (GTK_BOX (vbox), swindow, TRUE, TRUE, 0);
+	gtk_widget_show (swindow);
+
+	/* Resize bar */
+	hbox = gtk_hbox_new (FALSE, 0);
+
+	window->resize_sw = gtk_event_box_new ();
+	gtk_widget_add_events (window->resize_sw, GDK_BUTTON_PRESS_MASK);
+	g_signal_connect_swapped (window->resize_sw, "button-press-event",
+				  G_CALLBACK (ev_annotation_window_resize),
+				  window);
+	g_signal_connect (window->resize_sw, "realize",
+			  G_CALLBACK (ev_annotation_window_set_resize_cursor),
+			  window);
+
+	icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SW, EV_ICON_SIZE_ANNOT_WINDOW);
+	gtk_container_add (GTK_CONTAINER (window->resize_sw), icon);
+	gtk_widget_show (icon);
+	gtk_box_pack_start (GTK_BOX (hbox), window->resize_sw, FALSE, FALSE, 0);
+	gtk_widget_show (window->resize_sw);
+
+	window->resize_se = gtk_event_box_new ();
+	gtk_widget_add_events (window->resize_se, GDK_BUTTON_PRESS_MASK);
+	g_signal_connect_swapped (window->resize_se, "button-press-event",
+				  G_CALLBACK (ev_annotation_window_resize),
+				  window);
+	g_signal_connect (window->resize_se, "realize",
+			  G_CALLBACK (ev_annotation_window_set_resize_cursor),
+			  window);
+
+	icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SE, EV_ICON_SIZE_ANNOT_WINDOW);
+	gtk_container_add (GTK_CONTAINER (window->resize_se), icon);
+	gtk_widget_show (icon);
+	gtk_box_pack_end (GTK_BOX (hbox), window->resize_se, FALSE, FALSE, 0);
+	gtk_widget_show (window->resize_se);
+
+	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+	gtk_widget_show (hbox);
+
+	gtk_container_add (GTK_CONTAINER (window), vbox);
+	gtk_container_set_border_width (GTK_CONTAINER (window), 0);
+	gtk_widget_show (vbox);
+
+	gtk_widget_add_events (GTK_WIDGET (window),
+			       GDK_BUTTON_PRESS_MASK |
+			       GDK_KEY_PRESS_MASK);
+	gtk_widget_set_app_paintable (GTK_WIDGET (window), TRUE);
+
+	gtk_container_set_border_width (GTK_CONTAINER (window), 2);
+
+	gtk_window_set_accept_focus (GTK_WINDOW (window), FALSE);
+	gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
+	gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE);
+	gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE);
+	gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
+}
+
+static GObject *
+ev_annotation_window_constructor (GType                  type,
+				  guint                  n_construct_properties,
+				  GObjectConstructParam *construct_params)
+{
+	GObject            *object;
+	EvAnnotationWindow *window;
+	EvAnnotation       *annot;
+	gchar              *label;
+	gdouble             opacity;
+	EvRectangle        *rect;
+	gdouble             scale;
+
+	object = G_OBJECT_CLASS (ev_annotation_window_parent_class)->constructor (type,
+										  n_construct_properties,
+										  construct_params);
+	window = EV_ANNOTATION_WINDOW (object);
+	annot = window->annotation;
+
+	gtk_window_set_transient_for (GTK_WINDOW (window), window->parent);
+	gtk_window_set_destroy_with_parent (GTK_WINDOW (window), FALSE);
+
+	g_object_get (annot,
+		      "label", &label,
+		      "opacity", &opacity,
+		      "is_open", &window->is_open,
+		      "rectangle", &window->rect,
+		      NULL);
+	rect = window->rect;
+
+	/* Rectangle is at doc resolution (72.0) */
+	scale = get_screen_dpi (GTK_WINDOW (window)) / 72.0;
+	gtk_window_resize (GTK_WINDOW (window),
+			   (gint)((rect->x2 - rect->x1) * scale),
+			   (gint)((rect->y2 - rect->y1) * scale));
+	ev_annotation_window_set_color (window, &annot->color);
+	gtk_widget_set_name (GTK_WIDGET (window), annot->name);
+	gtk_window_set_title (GTK_WINDOW (window), label);
+	gtk_label_set_text (GTK_LABEL (window->title), label);
+	gtk_window_set_opacity (GTK_WINDOW (window), opacity);
+	g_free (label);
+
+	if (annot->contents) {
+		GtkTextBuffer *buffer;
+
+		buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->text_view));
+		gtk_text_buffer_set_text (buffer, annot->contents, -1);
+	}
+
+	return object;
+}
+
+static gboolean
+ev_annotation_window_button_press_event (GtkWidget      *widget,
+					 GdkEventButton *event)
+{
+	EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+	if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
+		window->in_move = TRUE;
+		window->x = event->x;
+		window->y = event->y;
+		gtk_window_begin_move_drag (GTK_WINDOW (widget),
+					    event->button,
+					    event->x_root,
+					    event->y_root,
+					    event->time);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+static gboolean
+ev_annotation_window_configure_event (GtkWidget         *widget,
+				      GdkEventConfigure *event)
+{
+	EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+	if (window->in_move &&
+	    (window->x != event->x || window->y != event->y)) {
+		window->x = event->x;
+		window->y = event->y;
+	}
+
+	return GTK_WIDGET_CLASS (ev_annotation_window_parent_class)->configure_event (widget, event);
+}
+
+static gboolean
+ev_annotation_window_focus_in_event (GtkWidget     *widget,
+				     GdkEventFocus *event)
+{
+	EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+	if (window->in_move) {
+		window->orig_x = window->x;
+		window->orig_y = window->y;
+	}
+
+	return FALSE;
+}
+
+static gboolean
+ev_annotation_window_focus_out_event (GtkWidget     *widget,
+				      GdkEventFocus *event)
+{
+	EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+	if (window->in_move &&
+	    (window->orig_x != window->x || window->orig_y != window->y)) {
+		window->in_move = FALSE;
+		g_signal_emit (window, signals[MOVED], 0, window->x, window->y);
+	}
+
+	return FALSE;
+}
+
+static void
+ev_annotation_window_class_init (EvAnnotationWindowClass *klass)
+{
+	GObjectClass   *g_object_class = G_OBJECT_CLASS (klass);
+	GtkWidgetClass *gtk_widget_class = GTK_WIDGET_CLASS (klass);
+
+	g_object_class->constructor = ev_annotation_window_constructor;
+	g_object_class->set_property = ev_annotation_window_set_property;
+	g_object_class->dispose = ev_annotation_window_dispose;
+
+	gtk_widget_class->button_press_event = ev_annotation_window_button_press_event;
+	gtk_widget_class->configure_event = ev_annotation_window_configure_event;
+	gtk_widget_class->focus_in_event = ev_annotation_window_focus_in_event;
+	gtk_widget_class->focus_out_event = ev_annotation_window_focus_out_event;
+
+	g_object_class_install_property (g_object_class,
+					 PROP_ANNOTATION,
+					 g_param_spec_object ("annotation",
+							      "Annotation",
+							      "The annotation associated to the window",
+							      EV_TYPE_ANNOTATION_MARKUP,
+							      G_PARAM_WRITABLE |
+							      G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_PARENT,
+					 g_param_spec_object ("parent",
+							      "Parent",
+							      "The parent window",
+							      GTK_TYPE_WINDOW,
+							      G_PARAM_WRITABLE |
+							      G_PARAM_CONSTRUCT_ONLY));
+	signals[CLOSED] =
+		g_signal_new ("closed",
+			      G_TYPE_FROM_CLASS (g_object_class),
+			      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+			      G_STRUCT_OFFSET (EvAnnotationWindowClass, closed),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE, 0, G_TYPE_NONE);
+	signals[MOVED] =
+		g_signal_new ("moved",
+			      G_TYPE_FROM_CLASS (g_object_class),
+			      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+			      G_STRUCT_OFFSET (EvAnnotationWindowClass, moved),
+			      NULL, NULL,
+			      ev_view_marshal_VOID__INT_INT,
+			      G_TYPE_NONE, 2,
+			      G_TYPE_INT, G_TYPE_INT);
+}
+
+/* Public methods */
+GtkWidget *
+ev_annotation_window_new (EvAnnotation *annot,
+			  GtkWindow    *parent)
+{
+	GtkWidget *window;
+
+	g_return_val_if_fail (EV_IS_ANNOTATION_MARKUP (annot), NULL);
+	g_return_val_if_fail (GTK_IS_WINDOW (parent), NULL);
+
+	window = g_object_new (EV_TYPE_ANNOTATION_WINDOW,
+			       "annotation", annot,
+			       "parent", parent,
+			       NULL);
+	return window;
+}
+
+EvAnnotation *
+ev_annotation_window_get_annotation (EvAnnotationWindow *window)
+{
+	g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), NULL);
+
+	return window->annotation;
+}
+
+void
+ev_annotation_window_set_annotation (EvAnnotationWindow *window,
+				     EvAnnotation       *annot)
+{
+	g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+	g_return_if_fail (EV_IS_ANNOTATION (annot));
+
+	if (annot == window->annotation)
+		return;
+
+	g_object_unref (window->annotation);
+	window->annotation = g_object_ref (annot);
+	ev_annotation_window_check_contents_modified (window);
+	g_object_notify (G_OBJECT (window), "annotation");
+}
+
+gboolean
+ev_annotation_window_is_open (EvAnnotationWindow *window)
+{
+	g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), FALSE);
+
+	return window->is_open;
+}
+
+const EvRectangle *
+ev_annotation_window_get_rectangle (EvAnnotationWindow *window)
+{
+	g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), NULL);
+
+	return window->rect;
+}
+
+void
+ev_annotation_window_set_rectangle (EvAnnotationWindow *window,
+				    EvRectangle        *rect)
+{
+	g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+	g_return_if_fail (rect != NULL);
+
+	*window->rect = *rect;
+}
+
+void
+ev_annotation_window_grab_focus (EvAnnotationWindow *window)
+{
+	g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+
+	if (!GTK_WIDGET_HAS_FOCUS (window->text_view)) {
+		gtk_widget_grab_focus (GTK_WIDGET (window));
+		send_focus_change (window->text_view, TRUE);
+	}
+}
+
+void
+ev_annotation_window_ungrab_focus (EvAnnotationWindow *window)
+{
+	g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+
+	if (GTK_WIDGET_HAS_FOCUS (window->text_view)) {
+		send_focus_change (window->text_view, FALSE);
+	}
+
+	ev_annotation_window_check_contents_modified (window);
+}
diff --git a/libview/ev-annotation-window.h b/libview/ev-annotation-window.h
new file mode 100644
index 0000000..8cbd832
--- /dev/null
+++ b/libview/ev-annotation-window.h
@@ -0,0 +1,56 @@
+/* ev-annotation-window.h
+ *  this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos <carlosgc gnome org>
+ * Copyright (C) 2007 Iñigo Martinez <inigomartinez gmail com>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef EV_ANNOTATION_WINDOW_H
+#define EV_ANNOTATION_WINDOW_H
+
+#include <gtk/gtk.h>
+
+#include "ev-annotation.h"
+
+G_BEGIN_DECLS
+
+typedef struct _EvAnnotationWindow      EvAnnotationWindow;
+typedef struct _EvAnnotationWindowClass EvAnnotationWindowClass;
+
+#define EV_TYPE_ANNOTATION_WINDOW              (ev_annotation_window_get_type())
+#define EV_ANNOTATION_WINDOW(object)           (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_ANNOTATION_WINDOW, EvAnnotationWindow))
+#define EV_ANNOTATION_WINDOW_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_ANNOTATION_WINDOW, EvAnnotationWindowClass))
+#define EV_IS_ANNOTATION_WINDOW(object)        (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_ANNOTATION_WINDOW))
+#define EV_IS_ANNOTATION_WINDOW_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_ANNOTATION_WINDOW))
+#define EV_ANNOTATION_WINDOW_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_ANNOTATION_WINDOW, EvAnnotationWindowClass))
+
+GType              ev_annotation_window_get_type       (void) G_GNUC_CONST;
+GtkWidget         *ev_annotation_window_new            (EvAnnotation       *annot,
+							GtkWindow          *parent);
+EvAnnotation      *ev_annotation_window_get_annotation (EvAnnotationWindow *window);
+void               ev_annotation_window_set_annotation (EvAnnotationWindow *window,
+							EvAnnotation       *annot);
+gboolean           ev_annotation_window_is_open        (EvAnnotationWindow *window);
+const EvRectangle *ev_annotation_window_get_rectangle  (EvAnnotationWindow *window);
+void               ev_annotation_window_set_rectangle  (EvAnnotationWindow *window,
+							EvRectangle        *rect);
+void               ev_annotation_window_grab_focus     (EvAnnotationWindow *window);
+void               ev_annotation_window_ungrab_focus   (EvAnnotationWindow *window);
+
+G_END_DECLS
+
+#endif /* EV_ANNOTATION_WINDOW_H */
diff --git a/libview/ev-view-marshal.list b/libview/ev-view-marshal.list
index 4c54a3f..d7b0e75 100644
--- a/libview/ev-view-marshal.list
+++ b/libview/ev-view-marshal.list
@@ -1 +1,2 @@
 VOID:ENUM,BOOLEAN
+VOID:INT,INT
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