moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 150 insertions, 0 deletions

diff --git a/libslab/search-entry.c b/libslab/search-entry.c
new file mode 100644
index 00000000..7ef02e0e
--- /dev/null
+++ b/libslab/search-entry.c
@@ -0,0 +1,150 @@
+/*
+ * This file is part of libslab.
+ *
+ * Copyright (c) 2006 Novell, Inc.
+ *
+ * Libslab 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 of the License, or (at your option)
+ * any later version.
+ *
+ * Libslab 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 libslab; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "search-entry.h"
+#include "search-entry-watermark.h"
+
+#include <librsvg/rsvg.h>
+#include <string.h>
+
+typedef struct
+{
+	GdkPixbuf *watermark;
+	int width, height;
+} NldSearchEntryPrivate;
+
+#define NLD_SEARCH_ENTRY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NLD_TYPE_SEARCH_ENTRY, NldSearchEntryPrivate))
+
+static void nld_search_entry_class_init (NldSearchEntryClass *);
+static void nld_search_entry_init (NldSearchEntry *);
+static void nld_search_entry_finalize (GObject *);
+
+static void nld_search_entry_realize (GtkWidget * widget);
+static gboolean nld_search_entry_expose_event (GtkWidget * widget, GdkEventExpose * event);
+
+G_DEFINE_TYPE (NldSearchEntry, nld_search_entry, GTK_TYPE_ENTRY)
+
+static void nld_search_entry_class_init (NldSearchEntryClass * nld_search_entry_class)
+{
+	GObjectClass *g_obj_class = G_OBJECT_CLASS (nld_search_entry_class);
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (nld_search_entry_class);
+
+	g_type_class_add_private (nld_search_entry_class, sizeof (NldSearchEntryPrivate));
+
+	widget_class->realize = nld_search_entry_realize;
+	widget_class->expose_event = nld_search_entry_expose_event;
+
+	g_obj_class->finalize = nld_search_entry_finalize;
+}
+
+static void
+nld_search_entry_init (NldSearchEntry * entry)
+{
+}
+
+static void
+nld_search_entry_finalize (GObject * object)
+{
+	NldSearchEntryPrivate *priv = NLD_SEARCH_ENTRY_GET_PRIVATE (object);
+
+	if (priv->watermark)
+		g_object_unref (priv->watermark);
+
+	G_OBJECT_CLASS (nld_search_entry_parent_class)->finalize (object);
+}
+
+static void
+rsvg_size_callback (int *width, int *height, gpointer user_data)
+{
+	NldSearchEntryPrivate *priv = user_data;
+
+	*width = priv->width = priv->height * (double) *width / (double) *height;
+	*height = priv->height;
+}
+
+static void
+nld_search_entry_realize (GtkWidget * widget)
+{
+	NldSearchEntryPrivate *priv = NLD_SEARCH_ENTRY_GET_PRIVATE (widget);
+	int height;
+	GdkColor *gdkcolor;
+	char *svg, color[7];
+	RsvgHandle *rsvg;
+
+	GTK_WIDGET_CLASS (nld_search_entry_parent_class)->realize (widget);
+
+	gdk_window_get_geometry (GTK_ENTRY (widget)->text_area, NULL, NULL, NULL, &height, NULL);
+
+	if (height - 2 == priv->height)
+		return;
+	priv->height = height - 2;
+
+	gdkcolor = &widget->style->fg[GTK_WIDGET_STATE (widget)];
+	snprintf (color, 6, "%02x%02x%02x", gdkcolor->red >> 8, gdkcolor->green >> 8,
+		gdkcolor->blue >> 8);
+	svg = g_strdup_printf (SEARCH_ENTRY_WATERMARK_SVG, color, color);
+
+	rsvg = rsvg_handle_new ();
+	rsvg_handle_set_size_callback (rsvg, rsvg_size_callback, priv, NULL);
+	rsvg_handle_write (rsvg, (const guchar *) svg, strlen (svg), NULL);
+	rsvg_handle_close (rsvg, NULL);
+	g_free (svg);
+
+	if (priv->watermark)
+		g_object_unref (priv->watermark);
+	priv->watermark = rsvg_handle_get_pixbuf (rsvg);
+	rsvg_handle_free (rsvg);
+}
+
+static gboolean
+nld_search_entry_expose_event (GtkWidget * widget, GdkEventExpose * event)
+{
+	NldSearchEntryPrivate *priv = NLD_SEARCH_ENTRY_GET_PRIVATE (widget);
+	GTK_WIDGET_CLASS (nld_search_entry_parent_class)->expose_event (widget, event);
+
+	if (event->window == GTK_ENTRY (widget)->text_area)
+	{
+		int width, height, x;
+
+		if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
+		{
+			#if GTK_CHECK_VERSION(3, 0, 0)
+				width = gdk_window_get_width(event->window);
+				height = gdk_window_get_height(event->window);
+			#else
+				gdk_drawable_get_size(event->window, &width, &height);
+			#endif
+			x = width - priv->width - 1;
+		}
+		else
+			x = 1;
+		gdk_draw_pixbuf (event->window, widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
+			priv->watermark, 0, 0, x, 1, priv->width, priv->height,
+			GDK_RGB_DITHER_NORMAL, 0, 0);
+	}
+
+	return FALSE;
+}
+
+GtkWidget *
+nld_search_entry_new (void)
+{
+	return g_object_new (NLD_TYPE_SEARCH_ENTRY, NULL);
+}