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-rw-r--r--lib/widgets/ephy-overlay-escaping-child.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/lib/widgets/ephy-overlay-escaping-child.c b/lib/widgets/ephy-overlay-escaping-child.c
deleted file mode 100644
index b1fd796a8..000000000
--- a/lib/widgets/ephy-overlay-escaping-child.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/*
- * Copyright © 2011 Igalia S.L.
- *
- * 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.
- *
- * 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "ephy-overlay-escaping-child.h"
-
-#define EPHY_OVERLAY_ESCAPING_CHILD_DEFAULT_DISTANCE 20
-
-G_DEFINE_TYPE (EphyOverlayEscapingChild, ephy_overlay_escaping_child, GEDIT_TYPE_OVERLAY_CHILD);
-
-/* properties */
-enum
-{
- PROP_0,
- PROP_ESCAPING_DISTANCE
-};
-
-struct _EphyOverlayEscapingChildPrivate
-{
- guint escaping_distance;
- GtkAllocation initial_allocation;
- GdkRectangle escaping_area;
-};
-
-/* If the pointer leaves the window, restore the widget position */
-static gboolean
-parent_leave_notify_event (GtkWidget *widget,
- GdkEventMotion *event,
- GtkWidget *parent)
-{
- EphyOverlayEscapingChildPrivate *priv = EPHY_OVERLAY_ESCAPING_CHILD (widget)->priv;
- GtkAllocation alloc;
-
- gtk_widget_get_allocation (widget, &alloc);
- alloc.y = priv->initial_allocation.y;
- gtk_widget_size_allocate (widget, &alloc);
-
- return FALSE;
-}
-
-/* this should be in Gdk...really */
-static gboolean
-is_point_in_rectangle (int point_x,
- int point_y,
- GdkRectangle rectangle)
-{
- int rectangle_x_higher_bound = rectangle.x + rectangle.width;
- int rectangle_y_higher_bound = rectangle.y + rectangle.height;
-
- return point_x >= rectangle.x && point_x < rectangle_x_higher_bound
- && point_y >= rectangle.y && point_y < rectangle_y_higher_bound;
-}
-
-/* Keep the widget-pointer distance at at least
- * EphyOverlayEscapingChildPrivate::escaping_distance by sliding the widget
- * away if needed.
- */
-static gboolean
-parent_motion_notify_event (GtkWidget *widget,
- GdkEventMotion *event,
- GtkWidget *parent)
-{
- EphyOverlayEscapingChildPrivate *priv = EPHY_OVERLAY_ESCAPING_CHILD (widget)->priv;
- int distance_x, distance_y;
- GtkAllocation alloc;
-
- gtk_widget_get_allocation (widget, &alloc);
-
- if (is_point_in_rectangle (event->x, event->y, priv->escaping_area)) {
- gdk_window_get_device_position (gtk_widget_get_window (widget),
- gdk_event_get_device ((GdkEvent *) event),
- &distance_x, &distance_y, NULL);
- alloc.y += priv->escaping_distance + distance_y;
- }
- else {
- /* Put the widget at its original position if we are out of the escaping
- * zone. Do nothing if it is already there.
- */
- if (alloc.y == priv->initial_allocation.y)
- return FALSE;
- alloc.y = priv->initial_allocation.y;
- }
-
- gtk_widget_size_allocate (widget, &alloc);
-
- return FALSE;
-}
-
-/* When the parent overlay is resized, the child relative position is modified.
- * So we update our initial_allocation to this new value and redefine our
- * escaping area.
- */
-static void
-parent_size_allocate (GtkWidget *widget,
- GdkRectangle *allocation,
- GtkWidget *parent)
-{
- EphyOverlayEscapingChildPrivate *priv = EPHY_OVERLAY_ESCAPING_CHILD (widget)->priv;
- GtkAllocation initial_allocation;
-
- gtk_widget_get_allocation (widget, &initial_allocation);
- priv->escaping_area = priv->initial_allocation = initial_allocation;
-
- /* Define an escaping area around the widget.
- * Current implementation only handle horizontal lowerside widgets
- */
- priv->escaping_area.height += priv->escaping_distance;
- /* escape on both right and left */
- priv->escaping_area.width += 2 * priv->escaping_distance;
- priv->escaping_area.x -= priv->escaping_distance;
- priv->escaping_area.y -= priv->escaping_distance;
-}
-
-/* Install listeners on our overlay parents to locate the pointer
- * and our relative position.
- */
-static void
-ephy_overlay_escaping_child_parent_set (GtkWidget *widget,
- GtkWidget *previous_parent)
-{
- GtkWidget *parent;
-
- if (previous_parent != NULL) {
- g_signal_handlers_disconnect_by_func (previous_parent,
- G_CALLBACK (parent_motion_notify_event),
- widget);
- g_signal_handlers_disconnect_by_func (previous_parent,
- G_CALLBACK (parent_leave_notify_event),
- widget);
- g_signal_handlers_disconnect_by_func (previous_parent,
- G_CALLBACK (parent_size_allocate),
- widget);
- }
-
- parent = gtk_widget_get_parent (widget);
- if (parent == NULL)
- return;
-
- g_signal_connect_swapped (parent,
- "motion-notify-event",
- G_CALLBACK (parent_motion_notify_event),
- widget);
- g_signal_connect_swapped (parent,
- "leave-notify-event",
- G_CALLBACK (parent_leave_notify_event),
- widget);
- g_signal_connect_swapped (parent,
- "size-allocate",
- G_CALLBACK (parent_size_allocate),
- widget);
-
-}
-
-/* When the mouse is over us, translate the event coords and slide the widget
- * accordingly
- */
-static gboolean
-ephy_overlay_escaping_child_motion_notify_event (GtkWidget *widget,
- GdkEventMotion *event)
-{
- EphyOverlayEscapingChildPrivate *priv = EPHY_OVERLAY_ESCAPING_CHILD (widget)->priv;
-
- event->x += priv->initial_allocation.x;
- event->y += priv->initial_allocation.y;
- return parent_motion_notify_event (widget, event, gtk_widget_get_parent (widget));
-}
-
-/* Make our event window propagate mouse motion events, so we can slide the widget,
- * when hovered.
- */
-static void
-ephy_overlay_escaping_child_realize (GtkWidget *widget)
-{
- GdkWindow *window;
- GdkEventMask events;
-
- GTK_WIDGET_CLASS (ephy_overlay_escaping_child_parent_class)->realize (widget);
-
- window = gtk_widget_get_window (widget);
- events = gdk_window_get_events (window);
- events |= GDK_POINTER_MOTION_MASK;
-
- gdk_window_set_events (window, events);
-}
-
-static void
-ephy_overlay_escaping_child_get_property (GObject *object,
- guint property_id,
- GValue *value,
- GParamSpec *pspec)
-{
- EphyOverlayEscapingChild *self = EPHY_OVERLAY_ESCAPING_CHILD (object);
- EphyOverlayEscapingChildPrivate *priv = self->priv;
-
- switch (property_id) {
- case PROP_ESCAPING_DISTANCE:
- g_value_set_uint (value, priv->escaping_distance);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
- break;
- }
-}
-
-static void
-ephy_overlay_escaping_child_set_property (GObject *object,
- guint property_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- EphyOverlayEscapingChild *self = EPHY_OVERLAY_ESCAPING_CHILD (object);
- EphyOverlayEscapingChildPrivate *priv = self->priv;
-
- switch (property_id)
- {
- case PROP_ESCAPING_DISTANCE:
- priv->escaping_distance = g_value_get_uint (value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
- break;
- }
-}
-
-static void
-ephy_overlay_escaping_child_class_init (EphyOverlayEscapingChildClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-
- g_type_class_add_private (klass, sizeof(EphyOverlayEscapingChildPrivate));
-
- gobject_class->get_property = ephy_overlay_escaping_child_get_property;
- gobject_class->set_property = ephy_overlay_escaping_child_set_property;
-
- widget_class->parent_set = ephy_overlay_escaping_child_parent_set;
- widget_class->motion_notify_event = ephy_overlay_escaping_child_motion_notify_event;
- widget_class->realize = ephy_overlay_escaping_child_realize;
-
- g_object_class_install_property (gobject_class,
- PROP_ESCAPING_DISTANCE,
- g_param_spec_uint ("escaping-distance",
- "Escaping distance",
- "Maximum distance between the mouse pointer and the widget",
- 0,
- G_MAXUINT,
- EPHY_OVERLAY_ESCAPING_CHILD_DEFAULT_DISTANCE,
- G_PARAM_CONSTRUCT_ONLY |
- G_PARAM_READWRITE |
- G_PARAM_STATIC_STRINGS));
-}
-
-static void
-ephy_overlay_escaping_child_init (EphyOverlayEscapingChild *self)
-{
- self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
- EPHY_TYPE_OVERLAY_ESCAPING_CHILD,
- EphyOverlayEscapingChildPrivate);
-}
-
-/**
- * ephy_overlay_escaping_child_new:
- * @widget: the wrapped #GtkWidget
- * @escaping_distance: the distance from which the widget escapes the mouse
- * pointer
- *
- * Creates a new #EphyOverlayEscapingChild object wrapping the provided
- * widget. The widget will stay at a minimal distance of @escaping_distance pixel
- * from the mouse pointer.
- *
- * Returns: a new #EphyOverlayEscapingChild object
- */
-EphyOverlayEscapingChild *
-ephy_overlay_escaping_child_new_with_distance (GtkWidget *widget,
- guint escaping_distance)
-{
- return g_object_new (EPHY_TYPE_OVERLAY_ESCAPING_CHILD,
- "widget", widget,
- "escaping-distance", escaping_distance,
- NULL);
-}
-
-/**
- * ephy_overlay_escaping_child_new:
- * @widget: the wrapped #GtkWidget
- *
- * Creates a new #EphyOverlayEscapingChild object wrapping the provided
- * widget. The widget will stay at a minimal distance of 20 pixels from
- * the mouse pointer.
- *
- * Returns: a new #EphyOverlayEscapingChild object
- */
-EphyOverlayEscapingChild *
-ephy_overlay_escaping_child_new (GtkWidget *widget)
-{
- return g_object_new (EPHY_TYPE_OVERLAY_ESCAPING_CHILD,
- "widget", widget,
- NULL);
-}
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