gnome-control-center/panels/region/cc-input-chooser.c
2013-02-19 12:25:52 +01:00

326 lines
10 KiB
C

/*
* Copyright (C) 2013 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#define _GNU_SOURCE
#include <config.h>
#include <glib/gi18n.h>
#include "cc-input-chooser.h"
#ifdef HAVE_IBUS
#include <ibus.h>
#include "cc-ibus-utils.h"
#endif
#define INPUT_SOURCE_TYPE_XKB "xkb"
#define INPUT_SOURCE_TYPE_IBUS "ibus"
#define WID(name) ((GtkWidget *) gtk_builder_get_object (builder, name))
enum {
NAME_COLUMN,
TYPE_COLUMN,
ID_COLUMN,
SETUP_COLUMN,
N_COLUMNS
};
static void
filter_clear (GtkEntry *entry,
GtkEntryIconPosition icon_pos,
GdkEvent *event,
gpointer user_data)
{
gtk_entry_set_text (entry, "");
}
static gchar **search_pattern_list;
static void
filter_changed (GtkBuilder *builder)
{
GtkTreeModelFilter *filtered_model;
GtkTreeView *tree_view;
GtkTreeSelection *selection;
GtkTreeIter selected_iter;
GtkWidget *filter_entry;
const gchar *pattern;
gchar *upattern;
filter_entry = WID ("input_source_filter");
pattern = gtk_entry_get_text (GTK_ENTRY (filter_entry));
upattern = g_utf8_strup (pattern, -1);
if (!g_strcmp0 (pattern, ""))
g_object_set (G_OBJECT (filter_entry),
"secondary-icon-name", "edit-find-symbolic",
"secondary-icon-activatable", FALSE,
"secondary-icon-sensitive", FALSE,
NULL);
else
g_object_set (G_OBJECT (filter_entry),
"secondary-icon-name", "edit-clear-symbolic",
"secondary-icon-activatable", TRUE,
"secondary-icon-sensitive", TRUE,
NULL);
if (search_pattern_list != NULL)
g_strfreev (search_pattern_list);
search_pattern_list = g_strsplit (upattern, " ", -1);
g_free (upattern);
filtered_model = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (builder, "filtered_input_source_model"));
gtk_tree_model_filter_refilter (filtered_model);
tree_view = GTK_TREE_VIEW (WID ("filtered_input_source_list"));
selection = gtk_tree_view_get_selection (tree_view);
if (gtk_tree_selection_get_selected (selection, NULL, &selected_iter))
{
GtkTreePath *path = gtk_tree_model_get_path (GTK_TREE_MODEL (filtered_model),
&selected_iter);
gtk_tree_view_scroll_to_cell (tree_view, path, NULL, TRUE, 0.5, 0.5);
gtk_tree_path_free (path);
}
else
{
GtkTreeIter iter;
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (filtered_model), &iter))
gtk_tree_selection_select_iter (selection, &iter);
}
}
static void
selection_changed (GtkTreeSelection *selection,
GtkBuilder *builder)
{
gtk_widget_set_sensitive (WID ("ok-button"),
gtk_tree_selection_get_selected (selection, NULL, NULL));
}
static void
row_activated (GtkTreeView *tree_view,
GtkTreePath *path,
GtkTreeViewColumn *column,
GtkBuilder *builder)
{
GtkWidget *add_button;
GtkWidget *dialog;
add_button = WID ("ok-button");
dialog = WID ("input_source_chooser");
if (gtk_widget_is_sensitive (add_button))
gtk_dialog_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
}
static void
entry_activated (GtkBuilder *builder,
gpointer data)
{
row_activated (NULL, NULL, NULL, builder);
}
static gboolean
filter_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
gchar *name = NULL;
gchar **pattern;
gboolean rv = TRUE;
if (search_pattern_list == NULL || search_pattern_list[0] == NULL)
return TRUE;
gtk_tree_model_get (model, iter,
NAME_COLUMN, &name,
-1);
pattern = search_pattern_list;
do {
gboolean is_pattern_found = FALSE;
gchar *udesc = g_utf8_strup (name, -1);
if (udesc != NULL && g_strstr_len (udesc, -1, *pattern))
{
is_pattern_found = TRUE;
}
g_free (udesc);
if (!is_pattern_found)
{
rv = FALSE;
break;
}
} while (*++pattern != NULL);
g_free (name);
return rv;
}
static void
populate_model (GtkListStore *store,
GnomeXkbInfo *xkb_info,
GHashTable *ibus_engines)
{
GtkTreeIter iter;
const gchar *name;
GList *sources, *tmp;
sources = gnome_xkb_info_get_all_layouts (xkb_info);
for (tmp = sources; tmp; tmp = tmp->next)
{
gnome_xkb_info_get_layout_info (xkb_info, (const gchar *)tmp->data,
&name, NULL, NULL, NULL);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, name,
TYPE_COLUMN, INPUT_SOURCE_TYPE_XKB,
ID_COLUMN, tmp->data,
-1);
}
g_list_free (sources);
#ifdef HAVE_IBUS
if (ibus_engines)
{
gchar *display_name;
sources = g_hash_table_get_keys (ibus_engines);
for (tmp = sources; tmp; tmp = tmp->next)
{
display_name = engine_get_display_name (g_hash_table_lookup (ibus_engines, tmp->data));
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, display_name,
TYPE_COLUMN, INPUT_SOURCE_TYPE_IBUS,
ID_COLUMN, tmp->data,
-1);
g_free (display_name);
}
g_list_free (sources);
}
#endif
}
GtkWidget *
cc_input_chooser_new (GtkWindow *main_window,
GnomeXkbInfo *xkb_info,
GHashTable *ibus_engines)
{
GtkBuilder *builder;
GtkWidget *chooser;
GtkWidget *filtered_list;
GtkWidget *filter_entry;
GtkTreeViewColumn *visible_column;
GtkTreeSelection *selection;
GtkListStore *model;
GtkTreeModelFilter *filtered_model;
GtkTreeIter iter;
builder = gtk_builder_new ();
gtk_builder_add_from_resource (builder,
"/org/gnome/control-center/region/input-chooser.ui",
NULL);
chooser = WID ("input_source_chooser");
g_object_set_data_full (G_OBJECT (chooser), "builder", builder, g_object_unref);
filtered_list = WID ("filtered_input_source_list");
filter_entry = WID ("input_source_filter");
g_object_set_data (G_OBJECT (chooser),
"filtered_input_source_list", filtered_list);
visible_column =
gtk_tree_view_column_new_with_attributes ("Input Sources",
gtk_cell_renderer_text_new (),
"text", NAME_COLUMN,
NULL);
gtk_window_set_transient_for (GTK_WINDOW (chooser), main_window);
gtk_tree_view_append_column (GTK_TREE_VIEW (filtered_list),
visible_column);
/* We handle searching ourselves, thank you. */
gtk_tree_view_set_enable_search (GTK_TREE_VIEW (filtered_list), FALSE);
gtk_tree_view_set_search_column (GTK_TREE_VIEW (filtered_list), -1);
g_signal_connect_swapped (G_OBJECT (filter_entry), "activate",
G_CALLBACK (entry_activated), builder);
g_signal_connect_swapped (G_OBJECT (filter_entry), "notify::text",
G_CALLBACK (filter_changed), builder);
g_signal_connect (G_OBJECT (filter_entry), "icon-release",
G_CALLBACK (filter_clear), NULL);
filtered_model = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (builder, "filtered_input_source_model"));
model = GTK_LIST_STORE (gtk_builder_get_object (builder, "input_source_model"));
g_object_set_data_full (G_OBJECT (chooser), "xkb-info", g_object_ref (xkb_info), g_object_unref);
g_object_set_data_full (G_OBJECT (chooser), "ibus-engines", g_hash_table_ref (ibus_engines), (GDestroyNotify)g_hash_table_unref);
populate_model (model, xkb_info, ibus_engines);
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (model),
NAME_COLUMN, GTK_SORT_ASCENDING);
gtk_tree_model_filter_set_visible_func (filtered_model,
filter_func,
NULL, NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (filtered_list));
g_signal_connect (G_OBJECT (selection), "changed",
G_CALLBACK (selection_changed), builder);
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (filtered_model), &iter))
gtk_tree_selection_select_iter (selection, &iter);
g_signal_connect (G_OBJECT (filtered_list), "row-activated",
G_CALLBACK (row_activated), builder);
gtk_widget_grab_focus (filter_entry);
gtk_widget_show (chooser);
return chooser;
}
gboolean
cc_input_chooser_get_selected (GtkWidget *chooser,
gchar **type,
gchar **id,
gchar **name)
{
GtkWidget *tv;
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreeSelection *selection;
tv = g_object_get_data (G_OBJECT (chooser), "filtered_input_source_list");
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tv));
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
gtk_tree_model_get (model, &iter,
TYPE_COLUMN, type,
ID_COLUMN, id,
NAME_COLUMN, name,
-1);
return TRUE;
}
return FALSE;
}