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-rw-r--r--lib/widgets/gedit-overlay-child.c408
-rw-r--r--lib/widgets/gedit-overlay-child.h89
2 files changed, 497 insertions, 0 deletions
diff --git a/lib/widgets/gedit-overlay-child.c b/lib/widgets/gedit-overlay-child.c
new file mode 100644
index 000000000..eaa35abd1
--- /dev/null
+++ b/lib/widgets/gedit-overlay-child.c
@@ -0,0 +1,408 @@
+/*
+ * gedit-overlay-child.c
+ * This file is part of gedit
+ *
+ * Copyright (C) 2011 - Ignacio Casal Quinteiro
+ *
+ * gedit 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.
+ *
+ * gedit 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 "gedit-overlay-child.h"
+#include "gedit-enum-types.h"
+
+struct _GeditOverlayChildPrivate
+{
+ GtkWidget *widget;
+ GtkAllocation widget_alloc;
+ GeditOverlayChildPosition position;
+ guint offset;
+ gboolean fixed;
+};
+
+enum
+{
+ PROP_0,
+ PROP_WIDGET,
+ PROP_POSITION,
+ PROP_OFFSET,
+ PROP_FIXED
+};
+
+G_DEFINE_TYPE (GeditOverlayChild, gedit_overlay_child, GTK_TYPE_BIN)
+
+static void
+gedit_overlay_child_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GeditOverlayChild *child = GEDIT_OVERLAY_CHILD (object);
+
+ switch (prop_id)
+ {
+ case PROP_WIDGET:
+ g_value_set_object (value, child->priv->widget);
+ break;
+ case PROP_POSITION:
+ g_value_set_enum (value, child->priv->position);
+ break;
+ case PROP_OFFSET:
+ g_value_set_uint (value, child->priv->offset);
+ break;
+ case PROP_FIXED:
+ g_value_set_boolean (value, child->priv->fixed);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gedit_overlay_child_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GeditOverlayChild *child = GEDIT_OVERLAY_CHILD (object);
+
+ switch (prop_id)
+ {
+ case PROP_WIDGET:
+ gtk_container_add (GTK_CONTAINER (child),
+ g_value_get_object (value));
+ break;
+ case PROP_POSITION:
+ child->priv->position = g_value_get_enum (value);
+ break;
+ case PROP_OFFSET:
+ child->priv->offset = g_value_get_uint (value);
+ break;
+ case PROP_FIXED:
+ child->priv->fixed = g_value_get_boolean (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gedit_overlay_child_realize (GtkWidget *widget)
+{
+ GdkWindowAttr attributes;
+ GdkWindow *parent_window;
+ GdkWindow *window;
+ GtkStyleContext *context;
+
+ gtk_widget_set_realized (widget, TRUE);
+
+ parent_window = gtk_widget_get_parent_window (widget);
+ context = gtk_widget_get_style_context (widget);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.event_mask = GDK_EXPOSURE_MASK;
+
+ window = gdk_window_new (parent_window, &attributes, 0);
+ gdk_window_set_user_data (window, widget);
+ gtk_widget_set_window (widget, window);
+ gtk_style_context_set_state (context, GTK_STATE_FLAG_NORMAL);
+ gtk_style_context_set_background (context, window);
+}
+
+static void
+gedit_overlay_child_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
+{
+ GeditOverlayChild *child = GEDIT_OVERLAY_CHILD (widget);
+ gint width;
+
+ if (child->priv->widget != NULL)
+ {
+ gint child_min, child_nat;
+
+ gtk_widget_get_preferred_width (child->priv->widget,
+ &child_min, &child_nat);
+ child->priv->widget_alloc.width = child_min;
+ }
+
+ width = child->priv->widget_alloc.width;
+ *minimum = *natural = width;
+}
+
+static void
+gedit_overlay_child_get_preferred_height (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
+{
+ GeditOverlayChild *child = GEDIT_OVERLAY_CHILD (widget);
+ gint height;
+
+ if (child->priv->widget != NULL)
+ {
+ gint child_min, child_nat;
+
+ gtk_widget_get_preferred_height (child->priv->widget,
+ &child_min, &child_nat);
+ child->priv->widget_alloc.height = child_min;
+ }
+
+ height = child->priv->widget_alloc.height;
+ *minimum = *natural = height;
+}
+
+static void
+gedit_overlay_child_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GeditOverlayChild *child = GEDIT_OVERLAY_CHILD (widget);
+
+ GTK_WIDGET_CLASS (gedit_overlay_child_parent_class)->size_allocate (widget, allocation);
+
+ if (child->priv->widget != NULL &&
+ child->priv->widget_alloc.height &&
+ child->priv->widget_alloc.width)
+ {
+ gtk_widget_size_allocate (child->priv->widget,
+ &child->priv->widget_alloc);
+ }
+}
+
+static void
+gedit_overlay_child_add (GtkContainer *container,
+ GtkWidget *widget)
+{
+ GeditOverlayChild *child = GEDIT_OVERLAY_CHILD (container);
+
+ child->priv->widget = widget;
+
+ GTK_CONTAINER_CLASS (gedit_overlay_child_parent_class)->add (container, widget);
+}
+
+static void
+gedit_overlay_child_remove (GtkContainer *container,
+ GtkWidget *widget)
+{
+ GeditOverlayChild *child = GEDIT_OVERLAY_CHILD (container);
+
+ child->priv->widget = NULL;
+
+ GTK_CONTAINER_CLASS (gedit_overlay_child_parent_class)->remove (container, widget);
+}
+
+static void
+gedit_overlay_child_class_init (GeditOverlayChildClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
+
+ object_class->get_property = gedit_overlay_child_get_property;
+ object_class->set_property = gedit_overlay_child_set_property;
+
+ widget_class->realize = gedit_overlay_child_realize;
+ widget_class->get_preferred_width = gedit_overlay_child_get_preferred_width;
+ widget_class->get_preferred_height = gedit_overlay_child_get_preferred_height;
+ widget_class->size_allocate = gedit_overlay_child_size_allocate;
+
+ container_class->add = gedit_overlay_child_add;
+ container_class->remove = gedit_overlay_child_remove;
+
+ g_object_class_install_property (object_class, PROP_WIDGET,
+ g_param_spec_object ("widget",
+ "Widget",
+ "The Widget",
+ GTK_TYPE_WIDGET,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (object_class, PROP_POSITION,
+ g_param_spec_enum ("position",
+ "Position",
+ "The Widget Position",
+ GEDIT_TYPE_OVERLAY_CHILD_POSITION,
+ GEDIT_OVERLAY_CHILD_POSITION_STATIC,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (object_class, PROP_OFFSET,
+ g_param_spec_uint ("offset",
+ "Offset",
+ "The Widget Offset",
+ 0,
+ G_MAXUINT,
+ 0,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (object_class, PROP_FIXED,
+ g_param_spec_boolean ("fixed",
+ "Fixed",
+ "Wether the Widget is in a fixed position",
+ TRUE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT |
+ G_PARAM_STATIC_STRINGS));
+
+ g_type_class_add_private (object_class, sizeof (GeditOverlayChildPrivate));
+}
+
+static void
+gedit_overlay_child_init (GeditOverlayChild *child)
+{
+ child->priv = G_TYPE_INSTANCE_GET_PRIVATE (child,
+ GEDIT_TYPE_OVERLAY_CHILD,
+ GeditOverlayChildPrivate);
+
+ gtk_widget_set_has_window (GTK_WIDGET (child), TRUE);
+}
+
+/**
+ * gedit_overlay_child_new:
+ * @widget: a #GtkWidget
+ *
+ * Creates a new #GeditOverlayChild object
+ *
+ * Returns: a new #GeditOverlayChild object
+ */
+GeditOverlayChild *
+gedit_overlay_child_new (GtkWidget *widget)
+{
+ return g_object_new (GEDIT_TYPE_OVERLAY_CHILD,
+ "widget", widget,
+ NULL);
+}
+
+/**
+ * gedit_overlay_child_get_position:
+ * @child: a #GeditOverlayChild
+ *
+ * Gets the position of the widget
+ *
+ * Returns: wether the child should be placed in a #GeditOverlay
+ */
+GeditOverlayChildPosition
+gedit_overlay_child_get_position (GeditOverlayChild *child)
+{
+ g_return_val_if_fail (GEDIT_IS_OVERLAY_CHILD (child), GEDIT_OVERLAY_CHILD_POSITION_STATIC);
+
+ return child->priv->position;
+}
+
+/**
+ * gedit_overlay_child_set_position:
+ * @child: a #GeditOverlayChild
+ * @position: a #GeditOverlayChildPosition
+ *
+ * Sets the new position for @child
+ */
+void
+gedit_overlay_child_set_position (GeditOverlayChild *child,
+ GeditOverlayChildPosition position)
+{
+ g_return_if_fail (GEDIT_IS_OVERLAY_CHILD (child));
+
+ if (child->priv->position != position)
+ {
+ child->priv->position = position;
+
+ g_object_notify (G_OBJECT (child), "position");
+ }
+}
+
+/**
+ * gedit_overlay_child_get_offset:
+ * @child: a #GeditOverlayChild
+ *
+ * Gets the offset for @child. The offset is usually used by #GeditOverlay
+ * to not place the widget directly in the border of the container
+ *
+ * Returns: the offset for @child
+ */
+guint
+gedit_overlay_child_get_offset (GeditOverlayChild *child)
+{
+ g_return_val_if_fail (GEDIT_IS_OVERLAY_CHILD (child), 0);
+
+ return child->priv->offset;
+}
+
+/**
+ * gedit_overlay_child_set_offset:
+ * @child: a #GeditOverlayChild
+ * @offset: the offset for @child
+ *
+ * Sets the new offset for @child
+ */
+void
+gedit_overlay_child_set_offset (GeditOverlayChild *child,
+ guint offset)
+{
+ g_return_if_fail (GEDIT_IS_OVERLAY_CHILD (child));
+
+ if (child->priv->offset != offset)
+ {
+ child->priv->offset = offset;
+
+ g_object_notify (G_OBJECT (child), "offset");
+ }
+}
+
+/**
+ * gedit_overlay_child_get_fixed:
+ * @child: a #GeditOverlayChild
+ *
+ * Gets wether @child is fixed in its position. If @child is not fixed the position
+ * will change when for example you scroll the container.
+ *
+ * Returns: wether @child is fixed in its position
+ */
+gboolean
+gedit_overlay_child_get_fixed (GeditOverlayChild *child)
+{
+ g_return_val_if_fail (GEDIT_IS_OVERLAY_CHILD (child), TRUE);
+
+ return child->priv->fixed;
+}
+
+/**
+ * gedit_overlay_child_set_fixed:
+ * @child: a #GeditOverlayChild
+ * @fixed: wether @child is in a fixed position
+ *
+ * Sets wether @child is in a fixed position
+ */
+void
+gedit_overlay_child_set_fixed (GeditOverlayChild *child,
+ gboolean fixed)
+{
+ g_return_if_fail (GEDIT_IS_OVERLAY_CHILD (child));
+
+ fixed = (fixed != FALSE);
+
+ if (child->priv->fixed != fixed)
+ {
+ child->priv->fixed = fixed;
+
+ g_object_notify (G_OBJECT (child), "fixed");
+ }
+}
+
+/* ex:set ts=8 noet: */
diff --git a/lib/widgets/gedit-overlay-child.h b/lib/widgets/gedit-overlay-child.h
new file mode 100644
index 000000000..86e051b74
--- /dev/null
+++ b/lib/widgets/gedit-overlay-child.h
@@ -0,0 +1,89 @@
+/*
+ * gedit-overlay-child.h
+ * This file is part of gedit
+ *
+ * Copyright (C) 2011 - Ignacio Casal Quinteiro
+ *
+ * gedit 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.
+ *
+ * gedit 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
+ */
+
+#ifndef __GEDIT_OVERLAY_CHILD_H__
+#define __GEDIT_OVERLAY_CHILD_H__
+
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define GEDIT_TYPE_OVERLAY_CHILD (gedit_overlay_child_get_type ())
+#define GEDIT_OVERLAY_CHILD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEDIT_TYPE_OVERLAY_CHILD, GeditOverlayChild))
+#define GEDIT_OVERLAY_CHILD_CONST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEDIT_TYPE_OVERLAY_CHILD, GeditOverlayChild const))
+#define GEDIT_OVERLAY_CHILD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GEDIT_TYPE_OVERLAY_CHILD, GeditOverlayChildClass))
+#define GEDIT_IS_OVERLAY_CHILD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEDIT_TYPE_OVERLAY_CHILD))
+#define GEDIT_IS_OVERLAY_CHILD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GEDIT_TYPE_OVERLAY_CHILD))
+#define GEDIT_OVERLAY_CHILD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GEDIT_TYPE_OVERLAY_CHILD, GeditOverlayChildClass))
+
+typedef struct _GeditOverlayChild GeditOverlayChild;
+typedef struct _GeditOverlayChildClass GeditOverlayChildClass;
+typedef struct _GeditOverlayChildPrivate GeditOverlayChildPrivate;
+
+struct _GeditOverlayChild
+{
+ GtkBin parent;
+
+ GeditOverlayChildPrivate *priv;
+};
+
+struct _GeditOverlayChildClass
+{
+ GtkBinClass parent_class;
+};
+
+typedef enum
+{
+ GEDIT_OVERLAY_CHILD_POSITION_NORTH_WEST = 1,
+ GEDIT_OVERLAY_CHILD_POSITION_NORTH,
+ GEDIT_OVERLAY_CHILD_POSITION_NORTH_EAST,
+ GEDIT_OVERLAY_CHILD_POSITION_WEST,
+ GEDIT_OVERLAY_CHILD_POSITION_CENTER,
+ GEDIT_OVERLAY_CHILD_POSITION_EAST,
+ GEDIT_OVERLAY_CHILD_POSITION_SOUTH_WEST,
+ GEDIT_OVERLAY_CHILD_POSITION_SOUTH,
+ GEDIT_OVERLAY_CHILD_POSITION_SOUTH_EAST,
+ GEDIT_OVERLAY_CHILD_POSITION_STATIC
+} GeditOverlayChildPosition;
+
+GType gedit_overlay_child_get_type (void) G_GNUC_CONST;
+
+GeditOverlayChild *gedit_overlay_child_new (GtkWidget *widget);
+
+GeditOverlayChildPosition gedit_overlay_child_get_position (GeditOverlayChild *child);
+
+void gedit_overlay_child_set_position (GeditOverlayChild *child,
+ GeditOverlayChildPosition position);
+
+guint gedit_overlay_child_get_offset (GeditOverlayChild *child);
+
+void gedit_overlay_child_set_offset (GeditOverlayChild *child,
+ guint offset);
+
+gboolean gedit_overlay_child_get_fixed (GeditOverlayChild *child);
+
+void gedit_overlay_child_set_fixed (GeditOverlayChild *child,
+ gboolean fixed);
+
+G_END_DECLS
+
+#endif /* __GEDIT_OVERLAY_CHILD_H__ */
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