/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* Copyright (C) 2010 Thomas Meire <blackskad@gmail.com>
*
* The code contained in this file 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
* 2.1 of the License, or (at your option) any later version.
*
* This file 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 code; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <glib.h>
#include <glib-object.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <libempathy/empathy-utils.h>
#include "empathy-chat-view.h"
#include "empathy-search-bar.h"
#include "empathy-ui-utils.h"
#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathySearchBar)
G_DEFINE_TYPE (EmpathySearchBar, empathy_search_bar, GTK_TYPE_BIN);
typedef struct _EmpathySearchBarPriv EmpathySearchBarPriv;
struct _EmpathySearchBarPriv
{
EmpathyChatView *chat_view;
GtkWidget *search_entry;
GtkWidget *search_match_case;
GtkWidget *search_close;
GtkWidget *search_previous;
GtkWidget *search_next;
GtkWidget *search_not_found;
};
GtkWidget *
empathy_search_bar_new (EmpathyChatView *view)
{
EmpathySearchBar *self = g_object_new (EMPATHY_TYPE_SEARCH_BAR, NULL);
GET_PRIV (self)->chat_view = view;
return GTK_WIDGET (self);
}
static void
empathy_search_bar_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkBin *bin;
GtkWidget *child;
bin = GTK_BIN (widget);
child = gtk_bin_get_child (bin);
if (child && gtk_widget_get_visible (child))
{
GtkRequisition child_requisition;
gtk_widget_size_request (child, &child_requisition);
requisition->width = child_requisition.width;
requisition->height = child_requisition.height;
}
}
static void
empathy_search_bar_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkBin *bin;
GtkWidget *child;
GtkAllocation child_allocation;
bin = GTK_BIN (widget);
child = gtk_bin_get_child (bin);
gtk_widget_set_allocation (widget, allocation);
if (child && gtk_widget_get_visible (child))
{
child_allocation.x = allocation->x;
child_allocation.y = allocation->y;
child_allocation.width = MAX (allocation->width, 0);
child_allocation.height = MAX (allocation->height, 0);
gtk_widget_size_allocate (child, &child_allocation);
}
}
static void
empathy_search_bar_update_buttons (EmpathySearchBar *self,
gchar *search,
gboolean match_case)
{
gboolean can_go_forward = FALSE;
gboolean can_go_backward = FALSE;
EmpathySearchBarPriv* priv = GET_PRIV (self);
/* update previous / next buttons */
empathy_chat_view_find_abilities (priv->chat_view, search, match_case,
&can_go_backward, &can_go_forward);
gtk_widget_set_sensitive (priv->search_previous,
can_go_backward && !EMP_STR_EMPTY (search));
gtk_widget_set_sensitive (priv->search_next,
can_go_forward && !EMP_STR_EMPTY (search));
}
static void
empathy_search_bar_update (EmpathySearchBar *self)
{
gchar *search;
gboolean match_case;
EmpathySearchBarPriv *priv = GET_PRIV (self);
search = gtk_editable_get_chars (GTK_EDITABLE(priv->search_entry), 0, -1);
match_case = gtk_toggle_button_get_active (
GTK_TOGGLE_BUTTON (priv->search_match_case));
/* highlight & search */
empathy_chat_view_highlight (priv->chat_view, search, match_case);
/* update the buttons */
empathy_search_bar_update_buttons (self, search, match_case);
g_free (search);
}
void
empathy_search_bar_show (EmpathySearchBar *self)
{
EmpathySearchBarPriv *priv = GET_PRIV (self);
/* update the highlighting and buttons */
empathy_search_bar_update (self);
/* grab the focus to the search entry */
gtk_widget_grab_focus (priv->search_entry);
gtk_widget_show (GTK_WIDGET (self));
}
void
empathy_search_bar_hide (EmpathySearchBar *self)
{
EmpathySearchBarPriv *priv = GET_PRIV (self);
empathy_chat_view_highlight (priv->chat_view, "", FALSE);
gtk_widget_hide (GTK_WIDGET (self));
/* give the focus back to the focus-chain with the chat view */
gtk_widget_grab_focus (GTK_WIDGET (priv->chat_view));
}
static void
empathy_search_bar_search (EmpathySearchBar *self,
gboolean next,
gboolean new_search)
{
gchar *search;
gboolean found;
gboolean match_case;
EmpathySearchBarPriv *priv;
priv = GET_PRIV (self);
search = gtk_editable_get_chars (GTK_EDITABLE(priv->search_entry), 0, -1);
match_case = gtk_toggle_button_get_active (
GTK_TOGGLE_BUTTON (priv->search_match_case));
/* highlight & search */
empathy_chat_view_highlight (priv->chat_view, search, match_case);
if (next)
{
found = empathy_chat_view_find_next (priv->chat_view,
search,
new_search,
match_case);
}
else
{
found = empathy_chat_view_find_previous (priv->chat_view,
search,
new_search,
match_case);
}
/* (don't) display the not found label */
gtk_widget_set_visible (priv->search_not_found,
!(found || EMP_STR_EMPTY (search)));
/* update the buttons */
empathy_search_bar_update_buttons (self, search, match_case);
g_free (search);
}
static void
empathy_search_bar_close_cb (GtkButton *button,
gpointer user_data)
{
empathy_search_bar_hide (EMPATHY_SEARCH_BAR (user_data));
}
static void
empathy_search_bar_entry_changed (GtkEditable *entry,
gpointer user_data)
{
empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), FALSE, TRUE);
}
static gboolean
empathy_search_bar_key_pressed (GtkWidget *widget,
GdkEventKey *event,
gpointer user_data)
{
if (event->keyval == GDK_Escape)
{
empathy_search_bar_hide (EMPATHY_SEARCH_BAR (widget));
return TRUE;
}
return FALSE;
}
static void
empathy_search_bar_next_cb (GtkButton *button,
gpointer user_data)
{
empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), TRUE, FALSE);
}
static void
empathy_search_bar_previous_cb (GtkButton *button,
gpointer user_data)
{
empathy_search_bar_search (EMPATHY_SEARCH_BAR (user_data), FALSE, FALSE);
}
static void
empathy_search_bar_match_case_toggled (GtkButton *button,
gpointer user_data)
{
empathy_search_bar_update (EMPATHY_SEARCH_BAR (user_data));
}
static void
empathy_search_bar_init (EmpathySearchBar * self)
{
gchar *filename;
GtkBuilder *gui;
GtkWidget *internal;
EmpathySearchBarPriv *priv;
priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_SEARCH_BAR,
EmpathySearchBarPriv);
self->priv = priv;
filename = empathy_file_lookup ("empathy-search-bar.ui", "libempathy-gtk");
gui = empathy_builder_get_file (filename,
"search_widget", &internal,
"search_close", &priv->search_close,
"search_entry", &priv->search_entry,
"search_previous", &priv->search_previous,
"search_next", &priv->search_next,
"search_not_found", &priv->search_not_found,
"search_match_case", &priv->search_match_case,
NULL);
g_free (filename);
/* Add the signals */
empathy_builder_connect (gui, self,
"search_close", "clicked", empathy_search_bar_close_cb,
"search_entry", "changed", empathy_search_bar_entry_changed,
"search_previous", "clicked", empathy_search_bar_previous_cb,
"search_next", "clicked", empathy_search_bar_next_cb,
"search_match_case", "toggled", empathy_search_bar_match_case_toggled,
NULL);
g_signal_connect (G_OBJECT (self), "key-press-event",
G_CALLBACK (empathy_search_bar_key_pressed), NULL);
gtk_container_add (GTK_CONTAINER (self), internal);
gtk_widget_show_all (internal);
gtk_widget_hide (priv->search_not_found);
g_object_unref (gui);
}
static void
empathy_search_bar_class_init (EmpathySearchBarClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
g_type_class_add_private (gobject_class, sizeof (EmpathySearchBarPriv));
/* Neither GtkBin nor GtkContainer seems to do this for us :( */
widget_class->size_request = empathy_search_bar_size_request;
widget_class->size_allocate = empathy_search_bar_size_allocate;
}
