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/*
* 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);
#if GTK_CHECK_VERSION (3, 0, 0)
static gboolean nld_search_entry_draw (GtkWidget * widget, cairo_t * cr);
#else
static gboolean nld_search_entry_expose_event (GtkWidget * widget, GdkEventExpose * event);
#endif
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;
#if GTK_CHECK_VERSION (3, 0, 0)
widget_class->draw = nld_search_entry_draw;
#else
widget_class->expose_event = nld_search_entry_expose_event;
#endif
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;
#if GTK_CHECK_VERSION (3, 0, 0)
GdkRectangle text_area;
#endif
GTK_WIDGET_CLASS (nld_search_entry_parent_class)->realize (widget);
#if GTK_CHECK_VERSION (3, 0, 0)
gtk_entry_get_text_area (GTK_ENTRY (widget), &text_area);
height = text_area.height;
#else
gdk_window_get_geometry (GTK_ENTRY (widget)->text_area, NULL, NULL, NULL, &height, NULL);
#endif
if (height - 2 == priv->height)
return;
priv->height = height - 2;
gdkcolor = >k_widget_get_style (widget)->fg[gtk_widget_get_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);
}
#if GTK_CHECK_VERSION (3, 0, 0)
static gboolean
nld_search_entry_draw (GtkWidget * widget, cairo_t * cr)
{
NldSearchEntryPrivate *priv = NLD_SEARCH_ENTRY_GET_PRIVATE (widget);
GdkRectangle text_area;
gtk_entry_get_text_area (GTK_ENTRY (widget), &text_area);
GTK_WIDGET_CLASS (nld_search_entry_parent_class)->draw (widget, cr);
int width, x;
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
{
width = text_area.width;
x = width - priv->width - 1;
}
else
x = 1;
gdk_cairo_set_source_pixbuf (cr, priv->watermark, x, 1);
cairo_paint (cr);
return FALSE;
}
#else
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)
{
gdk_drawable_get_size(event->window, &width, &height);
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;
}
#endif
GtkWidget *
nld_search_entry_new (void)
{
return g_object_new (NLD_TYPE_SEARCH_ENTRY, NULL);
}
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