diff options
Diffstat (limited to 'libslab/search-entry.c')
| -rw-r--r-- | libslab/search-entry.c | 150 |
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); +} |