Enhanced search functionality. patch submitted by Johnny Jacob Reviewed

2006-06-30  Harish Krishnaswamy  <kharish@novell.com>

Enhanced search functionality. patch submitted by Johnny Jacob
Reviewed and committed by Harish.

svn path=/trunk/; revision=32209

2 files changed, 458 insertions, 0 deletions

diff --git a/widgets/misc/e-icon-entry.c b/widgets/misc/e-icon-entry.c
new file mode 100644
index 0000000000..7f4ce7a66d
--- /dev/null
+++ b/widgets/misc/e-icon-entry.c
@@ -0,0 +1,373 @@
+/*
+ *  e-icon-entry.c
+ *
+ *  Author: Johnny Jacob <jjohnny@novell.com>
+ *
+ *  Copyright 2006 Novell, Inc. (www.novell.com)
+ *
+ *  Copyright (C) 2003, 2004, 2005  Christian Persch
+ *
+ *  This library 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.
+ *
+ *  This library 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., 59 Temple Place - Suite 330,
+ *  Boston, MA 02111-1307, USA.
+ *
+ *  Adapted and modified from gtk+ code:
+ *
+ *  Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *  Modified by the GTK+ Team and others 1997-2005.  See the AUTHORS
+ *  file in the gtk+ distribution for a list of people on the GTK+ Team.
+ *  See the ChangeLog in the gtk+ distribution files for a list of changes.
+ *  These files are distributed with GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ *
+ */
+
+#include "config.h"
+
+#include "e-icon-entry.h"
+
+#include <gtk/gtkentry.h>
+#include <gtk/gtkbox.h>
+#include <gtk/gtkhbox.h>
+
+#define E_ICON_ENTRY_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), E_TYPE_ICON_ENTRY, EIconEntryPrivate))
+
+struct _EIconEntryPrivate
+{
+	GtkWidget *hbox;
+};
+
+static GtkWidgetClass *parent_class = NULL;
+
+/* private helper functions */
+
+static gboolean
+entry_focus_change_cb (GtkWidget *widget,
+		       GdkEventFocus *event,
+		       GtkWidget *entry)
+{
+	gtk_widget_queue_draw (entry);
+
+	return FALSE;
+}
+
+static void
+e_icon_entry_get_borders (GtkWidget *widget,
+			     GtkWidget *entry,
+			     int *xborder,
+			     int *yborder)
+{
+	int focus_width;
+	gboolean interior_focus;
+
+	g_return_if_fail (entry->style != NULL);
+
+	gtk_widget_style_get (entry,
+			      "focus-line-width", &focus_width,
+			      "interior-focus", &interior_focus,
+			      NULL);
+
+	*xborder = entry->style->xthickness;
+	*yborder = entry->style->ythickness;
+
+	if (!interior_focus)
+	{
+		*xborder += focus_width;
+		*yborder += focus_width;
+	}
+}
+
+static void
+e_icon_entry_paint (GtkWidget *widget,
+		       GdkEventExpose *event)
+{
+	EIconEntry *entry = E_ICON_ENTRY (widget);
+	GtkWidget *entry_widget = entry->entry;
+	int x = 0, y = 0, width, height, focus_width;
+	gboolean interior_focus;
+
+	gtk_widget_style_get (entry_widget,
+			      "interior-focus", &interior_focus,
+			      "focus-line-width", &focus_width,
+			      NULL);
+
+	gdk_drawable_get_size (widget->window, &width, &height);
+
+	if (GTK_WIDGET_HAS_FOCUS (entry_widget) && !interior_focus)
+	{
+		x += focus_width;
+		y += focus_width;
+		width -= 2 * focus_width;
+		height -= 2 * focus_width;
+	}
+
+	gtk_paint_flat_box (entry_widget->style, widget->window, 
+			    GTK_WIDGET_STATE (entry_widget), GTK_SHADOW_NONE,
+			    NULL, entry_widget, "entry_bg", 
+			    /* FIXME: was 0, 0 in gtk_entry_expose, but I think this is correct: */
+			    x, y, width, height);
+     
+	gtk_paint_shadow (entry_widget->style, widget->window,
+			  GTK_STATE_NORMAL, GTK_SHADOW_IN,
+			  NULL, entry_widget, "entry",
+			  x, y, width, height);
+
+	if (GTK_WIDGET_HAS_FOCUS (entry_widget) && !interior_focus)
+	{
+		x -= focus_width;
+		y -= focus_width;
+		width += 2 * focus_width;
+		height += 2 * focus_width;
+
+		gtk_paint_focus (entry_widget->style, widget->window,
+				 GTK_WIDGET_STATE (entry_widget),
+				 NULL, entry_widget, "entry",
+				 /* FIXME: was 0, 0 in gtk_entry_draw_frame, but I think this is correct: */
+				 x, y, width, height);
+	}
+}
+
+/* Class implementation */
+
+static void
+e_icon_entry_init (EIconEntry *entry)
+{
+	EIconEntryPrivate *priv;
+	GtkWidget *widget = (GtkWidget *) entry;
+
+	priv = entry->priv = E_ICON_ENTRY_GET_PRIVATE (entry);
+
+	GTK_WIDGET_UNSET_FLAGS (widget, GTK_NO_WINDOW);
+
+	priv->hbox = gtk_hbox_new (FALSE, /* FIXME */ 0);
+	gtk_container_add (GTK_CONTAINER (entry), priv->hbox);
+
+	entry->entry = gtk_entry_new ();
+	gtk_entry_set_has_frame (GTK_ENTRY (entry->entry), FALSE);
+	gtk_box_pack_start (GTK_BOX (priv->hbox), entry->entry, TRUE, TRUE, /* FIXME */ 0);
+
+	/* We need to queue a redraw when focus changes, to comply with themes
+	 * (like Clearlooks) which draw focused and unfocused entries differently.
+	 */
+	g_signal_connect_after (entry->entry, "focus-in-event",
+				G_CALLBACK (entry_focus_change_cb), entry);
+	g_signal_connect_after (entry->entry, "focus-out-event",
+				G_CALLBACK (entry_focus_change_cb), entry);
+}
+
+static void
+e_icon_entry_realize (GtkWidget *widget)
+{
+	GdkWindowAttr attributes;
+	gint attributes_mask;
+	gint border_width;
+
+	GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+
+	border_width = GTK_CONTAINER (widget)->border_width;
+
+	attributes.x = widget->allocation.x + border_width;
+	attributes.y = widget->allocation.y + border_width;
+	attributes.width = widget->allocation.width - 2 * border_width;
+	attributes.height = widget->allocation.height - 2 * border_width;
+	attributes.window_type = GDK_WINDOW_CHILD;
+	attributes.event_mask = gtk_widget_get_events (widget)
+				| GDK_EXPOSURE_MASK;
+
+	attributes.visual = gtk_widget_get_visual (widget);
+	attributes.colormap = gtk_widget_get_colormap (widget);
+	attributes.wclass = GDK_INPUT_OUTPUT;
+	attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+
+	widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
+					 &attributes, attributes_mask);
+	gdk_window_set_user_data (widget->window, widget);
+
+	widget->style = gtk_style_attach (widget->style, widget->window);
+
+	gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
+}
+
+static void
+e_icon_entry_size_request (GtkWidget *widget,
+			      GtkRequisition *requisition)
+{
+	EIconEntry *entry = E_ICON_ENTRY (widget);
+	GtkContainer *container = GTK_CONTAINER (widget);
+	GtkBin *bin = GTK_BIN (widget);
+	int xborder, yborder;
+
+	requisition->width = requisition->height = container->border_width * 2;
+
+	gtk_widget_ensure_style (entry->entry);
+	e_icon_entry_get_borders (widget, entry->entry, &xborder, &yborder);
+
+	if (GTK_WIDGET_VISIBLE (bin->child))
+	{
+		GtkRequisition child_requisition;
+
+		gtk_widget_size_request (bin->child, &child_requisition);
+		requisition->width += child_requisition.width;
+		requisition->height += child_requisition.height;
+	}
+
+	requisition->width += 2 * xborder;
+	requisition->height += 2 * yborder;
+}
+
+static void
+e_icon_entry_size_allocate (GtkWidget *widget,
+			       GtkAllocation *allocation)
+{
+	EIconEntry *entry = E_ICON_ENTRY (widget);
+	GtkContainer *container = GTK_CONTAINER (widget);
+	GtkBin *bin = GTK_BIN (widget);
+	GtkAllocation child_allocation;
+	int xborder, yborder;
+
+	widget->allocation = *allocation;
+
+	e_icon_entry_get_borders (widget, entry->entry, &xborder, &yborder);
+
+	if (GTK_WIDGET_REALIZED (widget))
+	{
+		child_allocation.x = container->border_width;
+		child_allocation.y = container->border_width;
+		child_allocation.width = MAX (allocation->width - container->border_width * 2, 0);
+		child_allocation.height = MAX (allocation->height - container->border_width * 2, 0);
+
+		gdk_window_move_resize (widget->window,
+					allocation->x + child_allocation.x,
+					allocation->y + child_allocation.y,
+					child_allocation.width,
+					child_allocation.height);
+	}
+  
+	child_allocation.x = container->border_width + xborder;
+	child_allocation.y = container->border_width + yborder;
+	child_allocation.width = MAX (allocation->width - (container->border_width + xborder) * 2, 0);
+	child_allocation.height = MAX (allocation->height - (container->border_width + yborder) * 2, 0);
+
+	gtk_widget_size_allocate (bin->child, &child_allocation);
+}
+
+static gboolean
+e_icon_entry_expose (GtkWidget *widget,
+			GdkEventExpose *event)
+{
+	if (GTK_WIDGET_DRAWABLE (widget) &&
+	    event->window == widget->window)
+	{
+		e_icon_entry_paint (widget, event);
+	}
+
+	return parent_class->expose_event (widget, event);
+}
+
+static void
+e_icon_entry_class_init (EIconEntryClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+	parent_class = GTK_WIDGET_CLASS (g_type_class_peek_parent (klass));
+
+	widget_class->realize = e_icon_entry_realize;
+	widget_class->size_request = e_icon_entry_size_request;
+	widget_class->size_allocate = e_icon_entry_size_allocate;
+	widget_class->expose_event = e_icon_entry_expose;
+
+	g_type_class_add_private (object_class, sizeof (EIconEntryPrivate));
+}
+
+GType
+e_icon_entry_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0))
+	{
+		static const GTypeInfo our_info =
+		{
+			sizeof (EIconEntryClass),
+			NULL,
+			NULL,
+			(GClassInitFunc) e_icon_entry_class_init,
+			NULL,
+			NULL,
+			sizeof (EIconEntry),
+			0,
+			(GInstanceInitFunc) e_icon_entry_init
+		};
+
+		type = g_type_register_static (GTK_TYPE_BIN,
+					       "EIconEntry",
+					       &our_info, 0);
+	}
+
+	return type;
+}
+
+/* public functions */
+
+GtkWidget *
+e_icon_entry_new (void)
+{
+	return GTK_WIDGET (g_object_new (E_TYPE_ICON_ENTRY, NULL));
+}
+
+void
+e_icon_entry_pack_widget (EIconEntry *entry,
+			     GtkWidget *widget,
+			     gboolean start)
+{
+	EIconEntryPrivate *priv;
+
+	g_return_if_fail (E_IS_ICON_ENTRY (entry));
+
+	priv = entry->priv;
+
+	if (start)
+	{
+		gtk_box_pack_start (GTK_BOX (priv->hbox), widget, FALSE, FALSE, /* FIXME */ 2);
+		gtk_box_reorder_child (GTK_BOX (priv->hbox), widget, 0);
+	}
+	else
+	{
+		gtk_box_pack_end (GTK_BOX (priv->hbox), widget, FALSE, FALSE, /* FIXME */ 2);
+	}
+}
+
+GtkWidget *
+e_icon_entry_create_button (const char *stock)
+{
+	GtkWidget *eventbox;
+	GtkWidget *image;
+
+	eventbox = gtk_event_box_new ();
+        gtk_container_set_border_width (GTK_CONTAINER (eventbox), 2);
+        gtk_event_box_set_visible_window ( (eventbox), FALSE);
+
+	image = gtk_image_new_from_stock (stock, GTK_ICON_SIZE_MENU);
+        gtk_container_add (GTK_CONTAINER (eventbox), image);
+
+	return eventbox;
+}
+
+GtkWidget *
+e_icon_entry_get_entry (EIconEntry *entry)
+{
+	g_return_val_if_fail (E_IS_ICON_ENTRY (entry), NULL);
+
+	return entry->entry;
+}
diff --git a/widgets/misc/e-icon-entry.h b/widgets/misc/e-icon-entry.h
new file mode 100644
index 0000000000..6533199003
--- /dev/null
+++ b/widgets/misc/e-icon-entry.h
@@ -0,0 +1,85 @@
+/*
+ *  e-icon-entry.h
+ *
+ *  Authors: Johnny Jacob <jjohnny@novell.com>
+ *
+ *  Copyright 2006 Novell, Inc. (www.novell.com)
+ *
+ *  Adapted and modified from Epiphany.
+ *
+ *  Copyright (C) 2003, 2004, 2005  Christian Persch
+ *
+ *  This library 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.
+ *
+ *  This library 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., 59 Temple Place - Suite 330,
+ *  Boston, MA 02111-1307, USA.
+ *
+ *  Adapted and modified from gtk+ code:
+ *
+ *  Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *  Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
+ *  file in the gtk+ distribution for a list of people on the GTK+ Team.
+ *  See the ChangeLog in the gtk+ distribution files for a list of changes.
+ *  These files are distributed with GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ *
+ */
+
+#ifndef E_ICON_ENTRY_H
+#define E_ICON_ENTRY_H
+
+#include <gtk/gtkbin.h>
+
+G_BEGIN_DECLS
+
+#define E_TYPE_ICON_ENTRY		(e_icon_entry_get_type())
+#define E_ICON_ENTRY(object)		(G_TYPE_CHECK_INSTANCE_CAST((object), E_TYPE_ICON_ENTRY, EIconEntry))
+#define E_ICON_ENTRY_CLASS(klass)	(G_TYPE_CHECK_CLASS_CAST((klass), E_TYPE_ICON_ENTRY, EIconEntryClass))
+#define E_IS_ICON_ENTRY(object)	(G_TYPE_CHECK_INSTANCE_TYPE((object), E_TYPE_ICON_ENTRY))
+#define E_IS_ICON_ENTRY_CLASS(klass)	(G_TYPE_CHECK_CLASS_TYPE((klass), E_TYPE_ICON_ENTRY))
+#define E_ICON_ENTRY_GET_CLASS(obj)	(G_TYPE_INSTANCE_GET_CLASS((obj), E_TYPE_ICON_ENTRY, EIconEntryClass))
+
+typedef struct _EIconEntryClass	EIconEntryClass;
+typedef struct _EIconEntry		EIconEntry;
+typedef struct _EIconEntryPrivate	EIconEntryPrivate;
+
+struct _EIconEntryClass
+{
+	GtkBinClass parent_class;
+};
+
+struct _EIconEntry
+{
+	GtkBin parent_object;
+
+	/*< public >*/
+	GtkWidget *entry;
+
+	/*< private >*/
+	EIconEntryPrivate *priv;
+};
+
+GType		e_icon_entry_get_type	(void);
+
+GtkWidget      *e_icon_entry_new		(void);
+
+void		e_icon_entry_pack_widget	(EIconEntry *entry,
+						 GtkWidget *widget,
+						 gboolean start);
+
+GtkWidget      *e_icon_entry_get_entry	(EIconEntry *entry);
+
+GtkWidget *e_icon_entry_create_button (const char *stock);
+
+G_END_DECLS
+
+#endif