/* gdict-strategy-chooser.c - display widget for strategy names
*
* Copyright (C) 2006 Emmanuele Bassi <ebassi@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
*/
/**
* SECTION:gdict-strategy-chooser
* @short_description: Display a list of matching strategies
*
* Each #GdictContext allows matching a word using a specific "matching
* strategy". The #GdictStrategyChooser widget queries a #GdictContext and
* displays the list of available matching strategies.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <gtk/gtk.h>
#include <glib/gi18n-lib.h>
#include "gdict-strategy-chooser.h"
#include "gdict-utils.h"
#include "gdict-debug.h"
#include "gdict-private.h"
#include "gdict-enum-types.h"
#include "gdict-marshal.h"
#define GDICT_STRATEGY_CHOOSER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GDICT_TYPE_STRATEGY_CHOOSER, GdictStrategyChooserPrivate))
struct _GdictStrategyChooserPrivate
{
GtkListStore *store;
GtkWidget *treeview;
GtkWidget *clear_button;
GtkWidget *refresh_button;
GtkWidget *buttons_box;
GdictContext *context;
gint results;
guint start_id;
guint match_id;
guint end_id;
guint error_id;
GdkCursor *busy_cursor;
gchar *current_strat;
guint is_searching : 1;
};
enum
{
STRATEGY_NAME,
STRATEGY_ERROR
} StratType;
enum
{
STRAT_COLUMN_TYPE,
STRAT_COLUMN_NAME,
STRAT_COLUMN_DESCRIPTION,
STRAT_COLUMN_CURRENT,
STRAT_N_COLUMNS
};
enum
{
PROP_0,
PROP_CONTEXT,
PROP_COUNT
};
enum
{
STRATEGY_ACTIVATED,
CLOSED,
LAST_SIGNAL
};
static guint db_chooser_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE (GdictStrategyChooser,
gdict_strategy_chooser,
GTK_TYPE_VBOX);
static void
set_gdict_context (GdictStrategyChooser *chooser,
GdictContext *context)
{
GdictStrategyChooserPrivate *priv;
g_assert (GDICT_IS_STRATEGY_CHOOSER (chooser));
priv = chooser->priv;
if (priv->context)
{
if (priv->start_id)
{
GDICT_NOTE (CHOOSER, "Removing old context handlers");
g_signal_handler_disconnect (priv->context, priv->start_id);
g_signal_handler_disconnect (priv->context, priv->match_id);
g_signal_handler_disconnect (priv->context, priv->end_id);
priv->start_id = 0;
priv->end_id = 0;
priv->match_id = 0;
}
if (priv->error_id)
{
g_signal_handler_disconnect (priv->context, priv->error_id);
priv->error_id = 0;
}
GDICT_NOTE (CHOOSER, "Removing old context");
g_object_unref (G_OBJECT (priv->context));
priv->context = NULL;
priv->results = -1;
}
if (!context)
return;
if (!GDICT_IS_CONTEXT (context))
{
g_warning ("Object of type '%s' instead of a GdictContext\n",
g_type_name (G_OBJECT_TYPE (context)));
return;
}
GDICT_NOTE (CHOOSER, "Setting new context");
priv->context = g_object_ref (context);
priv->results = 0;
}
static void
gdict_strategy_chooser_dispose (GObject *gobject)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (gobject);
GdictStrategyChooserPrivate *priv = chooser->priv;
set_gdict_context (chooser, NULL);
if (priv->busy_cursor)
{
#if GTK_CHECK_VERSION (3, 0, 0)
g_object_unref (priv->busy_cursor);
#else
gdk_cursor_unref (priv->busy_cursor);
#endif
priv->busy_cursor = NULL;
}
if (priv->store)
{
g_object_unref (priv->store);
priv->store = NULL;
}
G_OBJECT_CLASS (gdict_strategy_chooser_parent_class)->dispose (gobject);
}
static void
gdict_strategy_chooser_finalize (GObject *gobject)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (gobject);
GdictStrategyChooserPrivate *priv = chooser->priv;
g_free (priv->current_strat);
G_OBJECT_CLASS (gdict_strategy_chooser_parent_class)->finalize (gobject);
}
static void
gdict_strategy_chooser_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (gobject);
switch (prop_id)
{
case PROP_CONTEXT:
set_gdict_context (chooser, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
gdict_strategy_chooser_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (gobject);
switch (prop_id)
{
case PROP_CONTEXT:
g_value_set_object (value, chooser->priv->context);
break;
case PROP_COUNT:
g_value_set_int (value, chooser->priv->results);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
row_activated_cb (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
gpointer user_data)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (user_data);
GdictStrategyChooserPrivate *priv = chooser->priv;
GtkTreeIter iter;
gchar *db_name, *db_desc;
gboolean valid;
valid = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->store),
&iter,
path);
if (!valid)
{
g_warning ("Invalid iterator found");
return;
}
gtk_tree_model_get (GTK_TREE_MODEL (priv->store), &iter,
STRAT_COLUMN_NAME, &db_name,
STRAT_COLUMN_DESCRIPTION, &db_desc,
-1);
if (db_name && db_desc)
{
g_signal_emit (chooser, db_chooser_signals[STRATEGY_ACTIVATED], 0,
db_name, db_desc);
}
else
{
gchar *row = gtk_tree_path_to_string (path);
g_warning ("Row %s activated, but no strategy attached", row);
g_free (row);
}
g_free (db_name);
g_free (db_desc);
}
static void
refresh_button_clicked_cb (GtkWidget *widget,
gpointer user_data)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (user_data);
gdict_strategy_chooser_refresh (chooser);
}
static void
clear_button_clicked_cb (GtkWidget *widget,
gpointer user_data)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (user_data);
gdict_strategy_chooser_clear (chooser);
}
static GObject *
gdict_strategy_chooser_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GdictStrategyChooser *chooser;
GdictStrategyChooserPrivate *priv;
GtkWidget *sw;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkWidget *hbox;
object = G_OBJECT_CLASS (gdict_strategy_chooser_parent_class)->constructor (type,
n_params,
params);
chooser = GDICT_STRATEGY_CHOOSER (object);
priv = chooser->priv;
gtk_widget_push_composite_child ();
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_composite_name (sw, "gdict-strategy-chooser-scrolled-window");
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (chooser), sw, TRUE, TRUE, 0);
gtk_widget_show (sw);
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("strategies",
renderer,
"text", STRAT_COLUMN_DESCRIPTION,
"weight", STRAT_COLUMN_CURRENT,
NULL);
priv->treeview = gtk_tree_view_new ();
gtk_widget_set_composite_name (priv->treeview, "gdict-strategy-chooser-treeview");
gtk_tree_view_set_model (GTK_TREE_VIEW (priv->treeview),
GTK_TREE_MODEL (priv->store));
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->treeview), FALSE);
gtk_tree_view_append_column (GTK_TREE_VIEW (priv->treeview), column);
g_signal_connect (priv->treeview, "row-activated",
G_CALLBACK (row_activated_cb), chooser);
gtk_container_add (GTK_CONTAINER (sw), priv->treeview);
gtk_widget_show (priv->treeview);
hbox = gtk_hbox_new (FALSE, 0);
priv->refresh_button = gtk_button_new ();
gtk_button_set_image (GTK_BUTTON (priv->refresh_button),
gtk_image_new_from_stock (GTK_STOCK_REFRESH,
GTK_ICON_SIZE_SMALL_TOOLBAR));
g_signal_connect (priv->refresh_button, "clicked",
G_CALLBACK (refresh_button_clicked_cb),
chooser);
gtk_box_pack_start (GTK_BOX (hbox), priv->refresh_button, FALSE, FALSE, 0);
gtk_widget_show (priv->refresh_button);
gtk_widget_set_tooltip_text (priv->refresh_button,
_("Reload the list of available strategies"));
priv->clear_button = gtk_button_new ();
gtk_button_set_image (GTK_BUTTON (priv->clear_button),
gtk_image_new_from_stock (GTK_STOCK_CLEAR,
GTK_ICON_SIZE_SMALL_TOOLBAR));
g_signal_connect (priv->clear_button, "clicked",
G_CALLBACK (clear_button_clicked_cb),
chooser);
gtk_box_pack_start (GTK_BOX (hbox), priv->clear_button, FALSE, FALSE, 0);
gtk_widget_show (priv->clear_button);
gtk_widget_set_tooltip_text (priv->clear_button,
_("Clear the list of available strategies"));
gtk_box_pack_end (GTK_BOX (chooser), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
gtk_widget_pop_composite_child ();
return object;
}
static void
gdict_strategy_chooser_class_init (GdictStrategyChooserClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = gdict_strategy_chooser_finalize;
gobject_class->dispose = gdict_strategy_chooser_dispose;
gobject_class->set_property = gdict_strategy_chooser_set_property;
gobject_class->get_property = gdict_strategy_chooser_get_property;
gobject_class->constructor = gdict_strategy_chooser_constructor;
/**
* GdictStrategyChooser:context:
*
* The #GdictContext object used to retrieve the list of strategies.
*/
g_object_class_install_property (gobject_class,
PROP_CONTEXT,
g_param_spec_object ("context",
"Context",
"The GdictContext object used to get the list of strategies",
GDICT_TYPE_CONTEXT,
(G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)));
/**
* GdictStrategyChooser::strategy-activated:
* @chooser: the widget that received the signal
* @name: the name of the activated strategy
* @description: the description of the activate strategy
*
* The ::strategy-activated signal is emitted each time the user
* activates a strategy in the @chooser, either by double click or
* using the keyboard.
*/
db_chooser_signals[STRATEGY_ACTIVATED] =
g_signal_new ("strategy-activated",
G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GdictStrategyChooserClass, strategy_activated),
NULL, NULL,
gdict_marshal_VOID__STRING_STRING,
G_TYPE_NONE, 2,
G_TYPE_STRING,
G_TYPE_STRING);
g_type_class_add_private (gobject_class, sizeof (GdictStrategyChooserPrivate));
}
static void
gdict_strategy_chooser_init (GdictStrategyChooser *chooser)
{
GdictStrategyChooserPrivate *priv;
chooser->priv = priv = GDICT_STRATEGY_CHOOSER_GET_PRIVATE (chooser);
priv->results = -1;
priv->context = NULL;
priv->store = gtk_list_store_new (STRAT_N_COLUMNS,
G_TYPE_INT, /* strat_type */
G_TYPE_STRING, /* strat_name */
G_TYPE_STRING, /* strat_desc */
G_TYPE_INT /* strat_current */);
priv->start_id = 0;
priv->end_id = 0;
priv->match_id = 0;
priv->error_id = 0;
}
/**
* gdict_strategy_chooser_new:
*
* Creates a new #GdictStrategyChooser. Use this widget to show a list
* of matching strategies available on a dictionary source represented
* by a #GdictContext, set with gdict_strategy_chooser_set_context().
*
* Return value: the newly created #GdictStrategyChooser widget
*
* Since: 0.9
*/
GtkWidget *
gdict_strategy_chooser_new (void)
{
return g_object_new (GDICT_TYPE_STRATEGY_CHOOSER, NULL);
}
/**
* gdict_strategy_chooser_new_with_context:
* @context: a #GdictContext
*
* Creates a new #GdictStrategyChooser widget, using @context as the
* representation of a dictionary source.
*
* Return value: the newly created #GdictStrategyChooser widget
*
* Since: 0.9
*/
GtkWidget *
gdict_strategy_chooser_new_with_context (GdictContext *context)
{
g_return_val_if_fail (GDICT_IS_CONTEXT (context), NULL);
return g_object_new (GDICT_TYPE_STRATEGY_CHOOSER,
"context", context,
NULL);
}
/**
* gdict_strategy_chooser_get_context:
* @chooser: a #GdictStrategyChooser
*
* Retrieves the #GdictContext used by @chooser.
*
* Return value: a #GdictContext
*
* Since:
*/
GdictContext *
gdict_strategy_chooser_get_context (GdictStrategyChooser *chooser)
{
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), NULL);
return chooser->priv->context;
}
/**
* gdict_strategy_chooser_set_context:
* @chooser: a #GdictStrategyChooser
* @context: a #GdictContext, or %NULL to unset the context
*
* Sets the #GdictContext to be used by @chooser to retrieve the
* list of matching strategies.
*
* Since: 0.9
*/
void
gdict_strategy_chooser_set_context (GdictStrategyChooser *chooser,
GdictContext *context)
{
g_return_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser));
g_return_if_fail (context == NULL || GDICT_IS_CONTEXT (context));
set_gdict_context (chooser, context);
g_object_notify (G_OBJECT (chooser), "context");
}
/**
* gdict_strategy_chooser_get_strategies:
* @chooser: a #GdictStrategyChooser
* @length: return location for the length of the returned string list
*
* Retrieves the list of matching strategies available.
*
* Return value: a string vector containing the names of the matching
* strategies. Use g_strfreev() to deallocate the memory when done
*
* Since:0.9
*/
gchar **
gdict_strategy_chooser_get_strategies (GdictStrategyChooser *chooser,
gsize *length)
{
GdictStrategyChooserPrivate *priv;
GtkTreeIter iter;
gchar **retval;
gsize i;
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), NULL);
priv = chooser->priv;
if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->store), &iter))
return NULL;
i = 0;
retval = g_new (gchar*, priv->results);
do
{
gchar *strat_name;
gtk_tree_model_get (GTK_TREE_MODEL (priv->store), &iter,
STRAT_COLUMN_NAME, &strat_name,
-1);
retval[i++] = strat_name;
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->store), &iter));
retval[i] = NULL;
if (length)
*length = i;
return retval;
}
/**
* gdict_strategy_chooser_has_strategy:
* @chooser: a #GdictStrategyChooser
* @strategy: a strategy name
*
* Checks whether @strategy is available in the list of matching
* strategies displayed by @chooser.
*
* Return value: %TRUE if the strategy was found, %FALSE otherwise
*
* Since: 0.9
*/
gboolean
gdict_strategy_chooser_has_strategy (GdictStrategyChooser *chooser,
const gchar *strategy)
{
GdictStrategyChooserPrivate *priv;
GtkTreeIter iter;
gboolean retval;
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), FALSE);
g_return_val_if_fail (strategy != NULL, FALSE);
priv = chooser->priv;
if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->store), &iter))
return FALSE;
retval = FALSE;
do
{
gchar *strat_name;
gtk_tree_model_get (GTK_TREE_MODEL (priv->store), &iter,
STRAT_COLUMN_NAME, &strat_name,
-1);
if (strcmp (strat_name, strategy) == 0)
{
retval = TRUE;
g_free (strat_name);
break;
}
g_free (strat_name);
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->store), &iter));
return retval;
}
/**
* gdict_strategy_chooser_count_strategies:
* @chooser: a #GdictStrategyChooser
*
* Returns the number of strategies found.
*
* Return value: the number of strategies or -1 if case of error
*
* Since:
*/
gint
gdict_strategy_chooser_count_strategies (GdictStrategyChooser *chooser)
{
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), -1);
return chooser->priv->results;
}
static void
lookup_start_cb (GdictContext *context,
gpointer user_data)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (user_data);
GdictStrategyChooserPrivate *priv = chooser->priv;
if (!priv->busy_cursor)
priv->busy_cursor = gdk_cursor_new (GDK_WATCH);
if (gtk_widget_get_window (GTK_WIDGET (chooser)))
gdk_window_set_cursor (gtk_widget_get_window (GTK_WIDGET (chooser)), priv->busy_cursor);
priv->is_searching = TRUE;
}
static void
lookup_end_cb (GdictContext *context,
gpointer user_data)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (user_data);
GdictStrategyChooserPrivate *priv = chooser->priv;
if (gtk_widget_get_window (GTK_WIDGET (chooser)))
gdk_window_set_cursor (gtk_widget_get_window (GTK_WIDGET (chooser)), NULL);
priv->is_searching = FALSE;
}
static void
strategy_found_cb (GdictContext *context,
GdictStrategy *strategy,
gpointer user_data)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (user_data);
GdictStrategyChooserPrivate *priv = chooser->priv;
const gchar *name, *description;
GtkTreeIter iter;
gint weight = PANGO_WEIGHT_NORMAL;
name = gdict_strategy_get_name (strategy);
description = gdict_strategy_get_description (strategy);
GDICT_NOTE (CHOOSER, "STRATEGY: `%s' (`%s')",
name,
description);
if (priv->current_strat && !strcmp (priv->current_strat, name))
weight = PANGO_WEIGHT_BOLD;
gtk_list_store_append (priv->store, &iter);
gtk_list_store_set (priv->store, &iter,
STRAT_COLUMN_TYPE, STRATEGY_NAME,
STRAT_COLUMN_NAME, name,
STRAT_COLUMN_DESCRIPTION, description,
STRAT_COLUMN_CURRENT, weight,
-1);
priv->results += 1;
}
static void
error_cb (GdictContext *context,
const GError *error,
gpointer user_data)
{
GdictStrategyChooser *chooser = GDICT_STRATEGY_CHOOSER (user_data);
if (gtk_widget_get_window (GTK_WIDGET (chooser)))
gdk_window_set_cursor (gtk_widget_get_window (GTK_WIDGET (chooser)), NULL);
chooser->priv->is_searching = FALSE;
chooser->priv->results = 0;
}
/**
* gdict_strategy_chooser_refresh:
* @chooser: a #GdictStrategyChooser
*
* Reloads the list of available strategies.
*
* Since: 0.10
*/
void
gdict_strategy_chooser_refresh (GdictStrategyChooser *chooser)
{
GdictStrategyChooserPrivate *priv;
GError *db_error;
g_return_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser));
priv = chooser->priv;
if (!priv->context)
{
g_warning ("Attempting to retrieve the available strategies, but "
"no GdictContext has been set. Use gdict_strategy_chooser_set_context() "
"before invoking gdict_strategy_chooser_refresh().");
return;
}
if (priv->is_searching)
return;
gdict_strategy_chooser_clear (chooser);
if (!priv->start_id)
{
priv->start_id = g_signal_connect (priv->context, "lookup-start",
G_CALLBACK (lookup_start_cb),
chooser);
priv->match_id = g_signal_connect (priv->context, "strategy-found",
G_CALLBACK (strategy_found_cb),
chooser);
priv->end_id = g_signal_connect (priv->context, "lookup-end",
G_CALLBACK (lookup_end_cb),
chooser);
}
if (!priv->error_id)
priv->error_id = g_signal_connect (priv->context, "error",
G_CALLBACK (error_cb),
chooser);
db_error = NULL;
gdict_context_lookup_strategies (priv->context, &db_error);
if (db_error)
{
GtkTreeIter iter;
gtk_list_store_append (priv->store, &iter);
gtk_list_store_set (priv->store, &iter,
STRAT_COLUMN_TYPE, STRATEGY_ERROR,
STRAT_COLUMN_NAME, _("Error while matching"),
STRAT_COLUMN_DESCRIPTION, NULL,
-1);
g_warning ("Error while retrieving strategies: %s",
db_error->message);
g_error_free (db_error);
}
}
/**
* gdict_strategy_chooser_clear:
* @chooser: a #GdictStrategyChooser
*
* Clears @chooser.
*
* Since: 0.10
*/
void
gdict_strategy_chooser_clear (GdictStrategyChooser *chooser)
{
GdictStrategyChooserPrivate *priv;
g_return_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser));
priv = chooser->priv;
gtk_tree_view_set_model (GTK_TREE_VIEW (priv->treeview), NULL);
gtk_list_store_clear (priv->store);
priv->results = 0;
gtk_tree_view_set_model (GTK_TREE_VIEW (priv->treeview),
GTK_TREE_MODEL (priv->store));
}
typedef struct
{
gchar *strat_name;
GdictStrategyChooser *chooser;
guint found : 1;
guint do_select : 1;
guint do_activate : 1;
} SelectData;
static gboolean
scan_for_strat_name (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer user_data)
{
SelectData *select_data = user_data;
gchar *strat_name = NULL;
if (!select_data)
return TRUE;
gtk_tree_model_get (model, iter, STRAT_COLUMN_NAME, &strat_name, -1);
if (!strat_name)
return FALSE;
if (strcmp (strat_name, select_data->strat_name) == 0)
{
GtkTreeView *tree_view;
GtkTreeSelection *selection;
select_data->found = TRUE;
tree_view = GTK_TREE_VIEW (select_data->chooser->priv->treeview);
if (select_data->do_activate)
{
GtkTreeViewColumn *column;
gtk_list_store_set (GTK_LIST_STORE (model), iter,
STRAT_COLUMN_CURRENT, PANGO_WEIGHT_BOLD,
-1);
column = gtk_tree_view_get_column (tree_view, 2);
gtk_tree_view_row_activated (tree_view, path, column);
}
selection = gtk_tree_view_get_selection (tree_view);
if (select_data->do_select)
gtk_tree_selection_select_path (selection, path);
else
gtk_tree_selection_unselect_path (selection, path);
}
else
{
gtk_list_store_set (GTK_LIST_STORE (model), iter,
STRAT_COLUMN_CURRENT, PANGO_WEIGHT_NORMAL,
-1);
}
g_free (strat_name);
return FALSE;
}
/**
* gdict_strategy_chooser_select_strategy:
* @chooser: a #GdictStrategyChooser
* @strat_name: the name of the strategy to select
*
* Selects @strat_name, if available.
*
* Return value: %TRUE if the matching strategy was found and selected
*
* Since: 0.10
*/
gboolean
gdict_strategy_chooser_select_strategy (GdictStrategyChooser *chooser,
const gchar *strat_name)
{
GdictStrategyChooserPrivate *priv;
SelectData data;
gboolean retval;
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), FALSE);
g_return_val_if_fail (strat_name != NULL, FALSE);
priv = chooser->priv;
data.strat_name = g_strdup (strat_name);
data.chooser = chooser;
data.found = FALSE;
data.do_select = TRUE;
data.do_activate = FALSE;
gtk_tree_model_foreach (GTK_TREE_MODEL (priv->store),
scan_for_strat_name,
&data);
retval = data.found;
g_free (data.strat_name);
return retval;
}
/**
* gdict_strategy_chooser_unselect_strategy:
* @chooser: a #GdictStrategyChooser
* @strat_name: the name of the strategy to unselect
*
* Unselects @strat_name from the list.
*
* Return value: %TRUE if the matching strategy was found and successfully
* unselected
*
* Since: 0.10
*/
gboolean
gdict_strategy_chooser_unselect_strategy (GdictStrategyChooser *chooser,
const gchar *strat_name)
{
GdictStrategyChooserPrivate *priv;
SelectData data;
gboolean retval;
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), FALSE);
g_return_val_if_fail (strat_name != NULL, FALSE);
priv = chooser->priv;
data.strat_name = g_strdup (strat_name);
data.chooser = chooser;
data.found = FALSE;
data.do_select = FALSE;
data.do_activate = FALSE;
gtk_tree_model_foreach (GTK_TREE_MODEL (priv->store),
scan_for_strat_name,
&data);
retval = data.found;
g_free (data.strat_name);
return retval;
}
/**
* gdict_strategy_chooser_set_current_strategy:
* @chooser: a #GdictStrategyChooser
* @strat_name: the name of the matching strategy
*
* Sets @strat_name as the current matching strategy.
*
* Return value: %TRUE if the matching strategy was found
*
* Since: 0.10
*/
gboolean
gdict_strategy_chooser_set_current_strategy (GdictStrategyChooser *chooser,
const gchar *strat_name)
{
GdictStrategyChooserPrivate *priv;
SelectData data;
gboolean retval;
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), FALSE);
g_return_val_if_fail (strat_name != NULL, FALSE);
priv = chooser->priv;
if (priv->current_strat && !strcmp (priv->current_strat, strat_name))
return TRUE;
data.strat_name = g_strdup (strat_name);
data.chooser = chooser;
data.found = FALSE;
data.do_select = TRUE;
data.do_activate = TRUE;
gtk_tree_model_foreach (GTK_TREE_MODEL (priv->store),
scan_for_strat_name,
&data);
retval = data.found;
if (data.found)
{
g_free (priv->current_strat);
priv->current_strat = data.strat_name;
}
else
g_free (data.strat_name);
return retval;
}
/**
* gdict_strategy_chooser_get_current_strategy:
* @chooser: a #GdictStrategyChooser
*
* Retrieves the current matching strategy.
*
* Return value: a newly allocated string containing the name of
* the current matching strategy
*
* Since: 0.10
*/
gchar *
gdict_strategy_chooser_get_current_strategy (GdictStrategyChooser *chooser)
{
GdictStrategyChooserPrivate *priv;
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
gchar *retval = NULL;
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), NULL);
priv = chooser->priv;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
if (!gtk_tree_selection_get_selected (selection, &model, &iter))
return NULL;
gtk_tree_model_get (model, &iter, STRAT_COLUMN_NAME, &retval, -1);
g_free (priv->current_strat);
priv->current_strat = g_strdup (retval);
return retval;
}
/**
* gdict_strategy_chooser_add_button:
* @chooser: a #GdictStrategyChooser
* @button_text: text of the button (can be a stock id)
*
* Creates a new button and packs it into the #GdictStrategyChooser
* "action area".
*
* Return value: the packed #GtkButton
*
* Since: 0.10
*/
GtkWidget *
gdict_strategy_chooser_add_button (GdictStrategyChooser *chooser,
const gchar *button_text)
{
GdictStrategyChooserPrivate *priv;
GtkWidget *button;
g_return_val_if_fail (GDICT_IS_STRATEGY_CHOOSER (chooser), NULL);
g_return_val_if_fail (button_text != NULL, NULL);
priv = chooser->priv;
button = gtk_button_new_from_stock (button_text);
gtk_widget_set_can_default (button, TRUE);
gtk_widget_show (button);
gtk_box_pack_end (GTK_BOX (priv->buttons_box), button, FALSE, TRUE, 0);
return button;
}