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[gedit/wip/search-animation: 1/2] Add GeditFloatingOccurrence

commit a198edff2b26501bc599a36f7233d9eae4eafe3a
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Sat Aug 18 20:58:03 2012 +0200

    Add GeditFloatingOccurrence

 gedit/Makefile.am                 |    2 +
 gedit/gedit-floating-occurrence.c |  313 +++++++++++++++++++++++++++++++++++++
 gedit/gedit-floating-occurrence.h |   65 ++++++++
 3 files changed, 380 insertions(+), 0 deletions(-)
---
diff --git a/gedit/Makefile.am b/gedit/Makefile.am
index 875e69f..89e6add 100644
--- a/gedit/Makefile.am
+++ b/gedit/Makefile.am
@@ -116,6 +116,7 @@ NOINST_H_FILES =			\
 	gedit-encodings-dialog.h	\
 	gedit-file-chooser-dialog.h	\
 	gedit-floating-slider.h		\
+	gedit-floating-occurrence.h	\
 	gedit-history-entry.h		\
 	gedit-io-error-info-bar.h	\
 	gedit-multi-notebook.h		\
@@ -202,6 +203,7 @@ libgedit_c_files =			\
 	gedit-encodings-dialog.c	\
 	gedit-file-chooser-dialog.c	\
 	gedit-floating-slider.c		\
+	gedit-floating-occurrence.c	\
 	gedit-history-entry.c		\
 	gedit-io-error-info-bar.c	\
 	gedit-message-bus.c		\
diff --git a/gedit/gedit-floating-occurrence.c b/gedit/gedit-floating-occurrence.c
new file mode 100644
index 0000000..fdf1262
--- /dev/null
+++ b/gedit/gedit-floating-occurrence.c
@@ -0,0 +1,313 @@
+/*
+ * gedit-floating-occurrence.c
+ * This file is part of gedit
+ *
+ * Copyright (C) 2012 - Ignacio Casal Quinteiro
+ *
+ * gedit 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with gedit; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ */
+
+#include "gedit-floating-occurrence.h"
+#include "gedit-animatable.h"
+
+struct _GeditFloatingOccurrencePrivate
+{
+	GtkWidget *label;
+	GeditTheatricsChoreographerEasing easing;
+	GeditTheatricsChoreographerBlocking blocking;
+	GeditTheatricsAnimationState animation_state;
+	guint duration;
+	gdouble bias;
+	gdouble percent;
+};
+
+struct _GeditFloatingOccurrenceClassPrivate
+{
+	GtkCssProvider *css;
+};
+
+enum
+{
+	PROP_0,
+	PROP_EASING,
+	PROP_BLOCKING,
+	PROP_ANIMATION_STATE,
+	PROP_DURATION,
+	PROP_PERCENT,
+	PROP_BIAS
+};
+
+G_DEFINE_TYPE_WITH_CODE (GeditFloatingOccurrence, gedit_floating_occurrence, GTK_TYPE_BIN,
+                         g_type_add_class_private (g_define_type_id, sizeof (GeditFloatingOccurrenceClassPrivate));
+                         G_IMPLEMENT_INTERFACE (GEDIT_TYPE_ANIMATABLE,
+                                                NULL))
+
+static void
+gedit_floating_occurrence_finalize (GObject *object)
+{
+	G_OBJECT_CLASS (gedit_floating_occurrence_parent_class)->finalize (object);
+}
+
+static void
+gedit_floating_occurrence_get_property (GObject    *object,
+                                        guint       prop_id,
+                                        GValue     *value,
+                                        GParamSpec *pspec)
+{
+	GeditFloatingOccurrencePrivate *priv = GEDIT_FLOATING_OCCURRENCE (object)->priv;
+
+	switch (prop_id)
+	{
+		case PROP_EASING:
+			g_value_set_enum (value, priv->easing);
+			break;
+		case PROP_BLOCKING:
+			g_value_set_enum (value, priv->blocking);
+			break;
+		case PROP_ANIMATION_STATE:
+			g_value_set_enum (value, priv->animation_state);
+			break;
+		case PROP_DURATION:
+			g_value_set_uint (value, priv->duration);
+			break;
+		case PROP_PERCENT:
+			g_value_set_double (value, priv->percent);
+			break;
+		case PROP_BIAS:
+			g_value_set_double (value, priv->bias);
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+			break;
+	}
+}
+
+static void
+gedit_floating_occurrence_set_property (GObject      *object,
+                                        guint         prop_id,
+                                        const GValue *value,
+                                        GParamSpec   *pspec)
+{
+	GeditFloatingOccurrencePrivate *priv = GEDIT_FLOATING_OCCURRENCE (object)->priv;
+
+	switch (prop_id)
+	{
+		case PROP_EASING:
+			priv->easing = g_value_get_enum (value);
+			break;
+		case PROP_BLOCKING:
+			priv->blocking = g_value_get_enum (value);
+			break;
+		case PROP_ANIMATION_STATE:
+			priv->animation_state = g_value_get_enum (value);
+			break;
+		case PROP_DURATION:
+			priv->duration = g_value_get_uint (value);
+			break;
+		case PROP_PERCENT:
+			priv->percent = g_value_get_double (value);
+
+			if (priv->percent >= 0)
+			{
+				g_object_set (object, "margin", (gint)(100 * priv->percent), NULL);
+			}
+
+			gtk_widget_queue_resize_no_redraw (GTK_WIDGET (object));
+			break;
+		case PROP_BIAS:
+			priv->bias = g_value_get_double (value);
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+			break;
+	}
+}
+
+static void
+gedit_floating_occurrence_get_preferred_width (GtkWidget *widget,
+                                               gint      *minimum,
+                                               gint      *natural)
+{
+	GtkWidget *child;
+	//gint width = gtk_widget_get_margin_left (widget) + gtk_widget_get_margin_right (widget);
+	gint width = 0;
+
+	child = gtk_bin_get_child (GTK_BIN (widget));
+
+	if (child != NULL)
+	{
+		gint child_min, child_nat;
+
+		gtk_widget_get_preferred_width (child, &child_min, &child_nat);
+
+		width += child_nat;
+	}
+
+	*minimum = *natural = width;
+}
+
+static void
+gedit_floating_occurrence_get_preferred_height (GtkWidget *widget,
+                                                gint      *minimum,
+                                                gint      *natural)
+{
+	GtkWidget *child;
+	//gint height = gtk_widget_get_margin_top (widget) + gtk_widget_get_margin_bottom (widget);
+	gint height = 0;
+
+	child = gtk_bin_get_child (GTK_BIN (widget));
+
+	if (child != NULL)
+	{
+		gint child_min, child_nat;
+
+		gtk_widget_get_preferred_height (child, &child_min, &child_nat);
+
+		height += child_nat;
+	}
+
+	*minimum = *natural = height;
+}
+
+static void
+gedit_floating_occurrence_size_allocate (GtkWidget     *widget,
+                                         GtkAllocation *allocation)
+{
+	GtkWidget *child;
+
+	allocation->width += gtk_widget_get_margin_left (widget) + gtk_widget_get_margin_right (widget);
+	allocation->height += gtk_widget_get_margin_top (widget) + gtk_widget_get_margin_bottom (widget);
+
+	GTK_WIDGET_CLASS (gedit_floating_occurrence_parent_class)->size_allocate (widget, allocation);
+
+	child = gtk_bin_get_child (GTK_BIN (widget));
+
+	if (child != NULL)
+	{
+		GtkAllocation child_alloc;
+		gint child_min, child_nat;
+
+		gtk_widget_get_preferred_width (child, &child_min, &child_nat);
+		child_alloc.width = child_nat;
+		gtk_widget_get_preferred_height (child, &child_min, &child_nat);
+		child_alloc.height = child_nat;
+		child_alloc.x = gtk_widget_get_margin_left (widget);
+		child_alloc.y = gtk_widget_get_margin_top (widget);
+
+		if (child_alloc.height > 0 && child_alloc.width > 0)
+		{
+			gtk_widget_size_allocate (child, &child_alloc);
+		}
+	}
+}
+
+static gboolean
+gedit_floating_occurrence_draw (GtkWidget *widget,
+                                cairo_t   *cr)
+{
+	GtkStyleContext *context;
+
+	context = gtk_widget_get_style_context (widget);
+
+	gtk_style_context_save (context);
+
+	gtk_render_background (context, cr, 0, 0,
+	                       gtk_widget_get_allocated_width (widget),
+	                       gtk_widget_get_allocated_height (widget));
+
+	gtk_render_frame (context, cr, 0, 0,
+	                  gtk_widget_get_allocated_width (widget),
+	                  gtk_widget_get_allocated_height (widget));
+
+	gtk_style_context_restore (context);
+
+	return GTK_WIDGET_CLASS (gedit_floating_occurrence_parent_class)->draw (widget, cr);
+}
+
+static void
+gedit_floating_occurrence_class_init (GeditFloatingOccurrenceClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+	static const gchar style[] =
+	"* {"
+	  "background-color: @info_bg_color;\n"
+
+	  "padding: 6px;\n"
+	  "border-color: shade (@notebook_tab_gradient_b, 0.80);\n"
+
+	  "border-radius: 0 0 3px 3px;\n"
+	  "border-width: 1px 1px 1px 1px;\n"
+	  "border-style: solid;\n"
+	"}";
+
+	object_class->finalize = gedit_floating_occurrence_finalize;
+	object_class->get_property = gedit_floating_occurrence_get_property;
+	object_class->set_property = gedit_floating_occurrence_set_property;
+
+	widget_class->get_preferred_width = gedit_floating_occurrence_get_preferred_width;
+	widget_class->get_preferred_height = gedit_floating_occurrence_get_preferred_height;
+	widget_class->size_allocate = gedit_floating_occurrence_size_allocate;
+	widget_class->draw = gedit_floating_occurrence_draw;
+
+	g_object_class_override_property (object_class, PROP_EASING, "easing");
+
+	g_object_class_override_property (object_class, PROP_BLOCKING, "blocking");
+
+	g_object_class_override_property (object_class, PROP_ANIMATION_STATE,
+	                                  "animation-state");
+
+	g_object_class_override_property (object_class, PROP_DURATION, "duration");
+
+	g_object_class_override_property (object_class, PROP_PERCENT, "percent");
+
+	g_object_class_override_property (object_class, PROP_BIAS, "bias");
+
+	g_type_class_add_private (object_class, sizeof (GeditFloatingOccurrencePrivate));
+
+	klass->priv = G_TYPE_CLASS_GET_PRIVATE (klass, GEDIT_TYPE_FLOATING_OCCURRENCE,
+	                                        GeditFloatingOccurrenceClassPrivate);
+
+	klass->priv->css = gtk_css_provider_new ();
+	gtk_css_provider_load_from_data (klass->priv->css, style, -1, NULL);
+}
+
+static void
+gedit_floating_occurrence_init (GeditFloatingOccurrence *occurrence)
+{
+	GtkStyleContext *context;
+
+	occurrence->priv = G_TYPE_INSTANCE_GET_PRIVATE (occurrence,
+	                                                GEDIT_TYPE_FLOATING_OCCURRENCE,
+	                                                GeditFloatingOccurrencePrivate);
+
+	context = gtk_widget_get_style_context (GTK_WIDGET (occurrence));
+	gtk_style_context_add_provider (context,
+	                                GTK_STYLE_PROVIDER (GEDIT_FLOATING_OCCURRENCE_GET_CLASS (occurrence)->priv->css),
+	                                GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+	occurrence->priv->label = gtk_label_new ("Hello");
+	gtk_widget_show (occurrence->priv->label);
+	gtk_container_add (GTK_CONTAINER (occurrence), occurrence->priv->label);
+}
+
+GtkWidget *
+gedit_floating_occurrence_new (void)
+{
+	return g_object_new (GEDIT_TYPE_FLOATING_OCCURRENCE, NULL);
+}
+
+/* ex:set ts=8 noet: */
diff --git a/gedit/gedit-floating-occurrence.h b/gedit/gedit-floating-occurrence.h
new file mode 100644
index 0000000..f05de9c
--- /dev/null
+++ b/gedit/gedit-floating-occurrence.h
@@ -0,0 +1,65 @@
+/*
+ * gedit-floating-occurrence.h
+ * This file is part of gedit
+ *
+ * Copyright (C) 2012 - Ignacio Casal Quinteiro
+ *
+ * gedit 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with gedit; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ */
+
+#ifndef __GEDIT_FLOATING_OCCURRENCE_H__
+#define __GEDIT_FLOATING_OCCURRENCE_H__
+
+#include <glib-object.h>
+#include <gtk/gtk.h>
+#include "theatrics/gedit-theatrics-choreographer.h"
+
+G_BEGIN_DECLS
+
+#define GEDIT_TYPE_FLOATING_OCCURRENCE			(gedit_floating_occurrence_get_type ())
+#define GEDIT_FLOATING_OCCURRENCE(obj)			(G_TYPE_CHECK_INSTANCE_CAST ((obj), GEDIT_TYPE_FLOATING_OCCURRENCE, GeditFloatingOccurrence))
+#define GEDIT_FLOATING_OCCURRENCE_CONST(obj)		(G_TYPE_CHECK_INSTANCE_CAST ((obj), GEDIT_TYPE_FLOATING_OCCURRENCE, GeditFloatingOccurrence const))
+#define GEDIT_FLOATING_OCCURRENCE_CLASS(klass)		(G_TYPE_CHECK_CLASS_CAST ((klass), GEDIT_TYPE_FLOATING_OCCURRENCE, GeditFloatingOccurrenceClass))
+#define GEDIT_IS_FLOATING_OCCURRENCE(obj)		(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEDIT_TYPE_FLOATING_OCCURRENCE))
+#define GEDIT_IS_FLOATING_OCCURRENCE_CLASS(klass)	(G_TYPE_CHECK_CLASS_TYPE ((klass), GEDIT_TYPE_FLOATING_OCCURRENCE))
+#define GEDIT_FLOATING_OCCURRENCE_GET_CLASS(obj)	(G_TYPE_INSTANCE_GET_CLASS ((obj), GEDIT_TYPE_FLOATING_OCCURRENCE, GeditFloatingOccurrenceClass))
+
+typedef struct _GeditFloatingOccurrence			GeditFloatingOccurrence;
+typedef struct _GeditFloatingOccurrenceClass		GeditFloatingOccurrenceClass;
+typedef struct _GeditFloatingOccurrencePrivate		GeditFloatingOccurrencePrivate;
+typedef struct _GeditFloatingOccurrenceClassPrivate	GeditFloatingOccurrenceClassPrivate;
+
+struct _GeditFloatingOccurrence
+{
+	GtkBin parent;
+
+	GeditFloatingOccurrencePrivate *priv;
+};
+
+struct _GeditFloatingOccurrenceClass
+{
+	GtkBinClass parent_class;
+
+	GeditFloatingOccurrenceClassPrivate *priv;
+};
+
+GType		 gedit_floating_occurrence_get_type	(void) G_GNUC_CONST;
+
+GtkWidget	*gedit_floating_occurrence_new		(void);
+
+G_END_DECLS
+
+#endif /* __GEDIT_FLOATING_OCCURRENCE_H__ */
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