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gtk2/gtk/gtkentrycompletion.c
Matthias Clasen d96974454f Set the background on the action view cell renderer here, not in init, so 
Wed Mar 10 23:40:15 2004  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtkentrycompletion.c (_gtk_entry_completion_popup): Set the background
	on the action view cell renderer here, not in init, so that a) we catch
	style changes, and b) we get the real style, not the default one.
	Partial fix for #127648, reported by Dave Bordoley.
2004-03-10 22:42:48 +00:00

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/* gtkentrycompletion.c
* Copyright (C) 2003 Kristian Rietveld <kris@gtk.org>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include "gtkentrycompletion.h"
#include "gtkentryprivate.h"
#include "gtkcelllayout.h"
#include "gtkintl.h"
#include "gtkcellrenderertext.h"
#include "gtktreeselection.h"
#include "gtktreeview.h"
#include "gtkscrolledwindow.h"
#include "gtkvbox.h"
#include "gtkwindow.h"
#include "gtkentry.h"
#include "gtkmain.h"
#include "gtksignal.h"
#include "gtkmarshalers.h"
#include <string.h>
/* signals */
enum
{
MATCH_SELECTED,
ACTION_ACTIVATED,
LAST_SIGNAL
};
/* properties */
enum
{
PROP_0,
PROP_MODEL,
PROP_MINIMUM_KEY_LENGTH
};
#define GTK_ENTRY_COMPLETION_GET_PRIVATE(obj)(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ENTRY_COMPLETION, GtkEntryCompletionPrivate))
static void gtk_entry_completion_class_init (GtkEntryCompletionClass *klass);
static void gtk_entry_completion_cell_layout_init (GtkCellLayoutIface *iface);
static void gtk_entry_completion_init (GtkEntryCompletion *completion);
static void gtk_entry_completion_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_entry_completion_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_entry_completion_finalize (GObject *object);
static void gtk_entry_completion_pack_start (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gboolean expand);
static void gtk_entry_completion_pack_end (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gboolean expand);
static void gtk_entry_completion_clear (GtkCellLayout *cell_layout);
static void gtk_entry_completion_add_attribute (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
const char *attribute,
gint column);
static void gtk_entry_completion_set_cell_data_func (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkCellLayoutDataFunc func,
gpointer func_data,
GDestroyNotify destroy);
static void gtk_entry_completion_clear_attributes (GtkCellLayout *cell_layout,
GtkCellRenderer *cell);
static void gtk_entry_completion_reorder (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gint position);
static gboolean gtk_entry_completion_visible_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data);
static gboolean gtk_entry_completion_popup_key_press (GtkWidget *widget,
GdkEventKey *event,
gpointer user_data);
static gboolean gtk_entry_completion_popup_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data);
static gboolean gtk_entry_completion_list_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data);
static gboolean gtk_entry_completion_action_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data);
static void gtk_entry_completion_selection_changed (GtkTreeSelection *selection,
gpointer data);
static void gtk_entry_completion_insert_action (GtkEntryCompletion *completion,
gint index,
const gchar *string,
gboolean markup);
static void gtk_entry_completion_action_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data);
static GObjectClass *parent_class = NULL;
static guint entry_completion_signals[LAST_SIGNAL] = { 0 };
GType
gtk_entry_completion_get_type (void)
{
static GType entry_completion_type = 0;
if (!entry_completion_type)
{
static const GTypeInfo entry_completion_info =
{
sizeof (GtkEntryCompletionClass),
NULL,
NULL,
(GClassInitFunc) gtk_entry_completion_class_init,
NULL,
NULL,
sizeof (GtkEntryCompletion),
0,
(GInstanceInitFunc) gtk_entry_completion_init
};
static const GInterfaceInfo cell_layout_info =
{
(GInterfaceInitFunc) gtk_entry_completion_cell_layout_init,
NULL,
NULL
};
entry_completion_type =
g_type_register_static (G_TYPE_OBJECT, "GtkEntryCompletion",
&entry_completion_info, 0);
g_type_add_interface_static (entry_completion_type,
GTK_TYPE_CELL_LAYOUT,
&cell_layout_info);
}
return entry_completion_type;
}
static void
gtk_entry_completion_class_init (GtkEntryCompletionClass *klass)
{
GObjectClass *object_class;
parent_class = g_type_class_peek_parent (klass);
object_class = (GObjectClass *)klass;
object_class->set_property = gtk_entry_completion_set_property;
object_class->get_property = gtk_entry_completion_get_property;
object_class->finalize = gtk_entry_completion_finalize;
entry_completion_signals[MATCH_SELECTED] =
g_signal_new ("match_selected",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkEntryCompletionClass, match_selected),
_gtk_boolean_handled_accumulator, NULL,
_gtk_marshal_BOOLEAN__OBJECT_BOXED,
G_TYPE_BOOLEAN, 2,
GTK_TYPE_TREE_MODEL,
GTK_TYPE_TREE_ITER);
entry_completion_signals[ACTION_ACTIVATED] =
g_signal_new ("action_activated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkEntryCompletionClass, action_activated),
NULL, NULL,
_gtk_marshal_NONE__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
g_object_class_install_property (object_class,
PROP_MODEL,
g_param_spec_object ("model",
P_("Completion Model"),
P_("The model to find matches in"),
GTK_TYPE_TREE_MODEL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_MINIMUM_KEY_LENGTH,
g_param_spec_int ("minimum_key_length",
P_("Minimum Key Length"),
P_("Minimum length of the search key in order to look up matches"),
-1,
G_MAXINT,
1,
G_PARAM_READWRITE));
g_type_class_add_private (object_class, sizeof (GtkEntryCompletionPrivate));
}
static void
gtk_entry_completion_cell_layout_init (GtkCellLayoutIface *iface)
{
iface->pack_start = gtk_entry_completion_pack_start;
iface->pack_end = gtk_entry_completion_pack_end;
iface->clear = gtk_entry_completion_clear;
iface->add_attribute = gtk_entry_completion_add_attribute;
iface->set_cell_data_func = gtk_entry_completion_set_cell_data_func;
iface->clear_attributes = gtk_entry_completion_clear_attributes;
iface->reorder = gtk_entry_completion_reorder;
}
static void
gtk_entry_completion_init (GtkEntryCompletion *completion)
{
GtkCellRenderer *cell;
GtkTreeSelection *sel;
GtkEntryCompletionPrivate *priv;
/* yes, also priv, need to keep the code readable */
priv = completion->priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (completion);
priv->minimum_key_length = 1;
priv->text_column = -1;
/* completions */
priv->filter_model = NULL;
priv->tree_view = gtk_tree_view_new ();
g_signal_connect (priv->tree_view, "button_press_event",
G_CALLBACK (gtk_entry_completion_list_button_press),
completion);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
gtk_tree_selection_unselect_all (sel);
g_signal_connect (sel, "changed",
G_CALLBACK (gtk_entry_completion_selection_changed),
completion);
priv->first_sel_changed = TRUE;
priv->column = gtk_tree_view_column_new ();
gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), priv->column);
priv->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window),
GTK_SHADOW_ETCHED_IN);
/* a nasty hack to get the completions treeview to size nicely */
gtk_widget_set_size_request (GTK_SCROLLED_WINDOW (priv->scrolled_window)->vscrollbar, -1, 0);
/* actions */
priv->actions = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_BOOLEAN);
priv->action_view =
gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->actions));
g_signal_connect (priv->action_view, "button_press_event",
G_CALLBACK (gtk_entry_completion_action_button_press),
completion);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->action_view), FALSE);
sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->action_view));
gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
gtk_tree_selection_unselect_all (sel);
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (priv->action_view),
0, "",
cell,
gtk_entry_completion_action_data_func,
NULL,
NULL);
/* pack it all */
priv->popup_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_resizable (GTK_WINDOW (priv->popup_window), FALSE);
g_signal_connect (priv->popup_window, "key_press_event",
G_CALLBACK (gtk_entry_completion_popup_key_press),
completion);
g_signal_connect (priv->popup_window, "button_press_event",
G_CALLBACK (gtk_entry_completion_popup_button_press),
completion);
priv->vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (priv->popup_window), priv->vbox);
gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->tree_view);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->scrolled_window,
TRUE, TRUE, 0);
/* we don't want to see the action treeview when no actions have
* been inserted, so we pack the action treeview after the first
* action has been added
*/
}
static void
gtk_entry_completion_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (object);
switch (prop_id)
{
case PROP_MODEL:
gtk_entry_completion_set_model (completion,
g_value_get_object (value));
break;
case PROP_MINIMUM_KEY_LENGTH:
gtk_entry_completion_set_minimum_key_length (completion,
g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_entry_completion_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (object);
switch (prop_id)
{
case PROP_MODEL:
g_value_set_object (value,
gtk_entry_completion_get_model (completion));
break;
case PROP_MINIMUM_KEY_LENGTH:
g_value_set_int (value, gtk_entry_completion_get_minimum_key_length (completion));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_entry_completion_finalize (GObject *object)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (object);
if (completion->priv->tree_view)
gtk_widget_destroy (completion->priv->tree_view);
if (completion->priv->entry)
gtk_entry_set_completion (GTK_ENTRY (completion->priv->entry), NULL);
if (completion->priv->actions)
g_object_unref (completion->priv->actions);
if (completion->priv->case_normalized_key)
g_free (completion->priv->case_normalized_key);
if (completion->priv->popup_window)
gtk_widget_destroy (completion->priv->popup_window);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/* implement cell layout interface */
static void
gtk_entry_completion_pack_start (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gboolean expand)
{
GtkEntryCompletionPrivate *priv;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (cell_layout));
priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (cell_layout);
gtk_tree_view_column_pack_start (priv->column, cell, expand);
}
static void
gtk_entry_completion_pack_end (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gboolean expand)
{
GtkEntryCompletionPrivate *priv;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (cell_layout));
priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (cell_layout);
gtk_tree_view_column_pack_end (priv->column, cell, expand);
}
static void
gtk_entry_completion_clear (GtkCellLayout *cell_layout)
{
GtkEntryCompletionPrivate *priv;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (cell_layout));
priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (cell_layout);
gtk_tree_view_column_clear (priv->column);
}
static void
gtk_entry_completion_add_attribute (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
const gchar *attribute,
gint column)
{
GtkEntryCompletionPrivate *priv;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (cell_layout));
priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (cell_layout);
gtk_tree_view_column_add_attribute (priv->column, cell, attribute, column);
}
static void
gtk_entry_completion_set_cell_data_func (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkCellLayoutDataFunc func,
gpointer func_data,
GDestroyNotify destroy)
{
GtkEntryCompletionPrivate *priv;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (cell_layout));
priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (cell_layout);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (priv->column),
cell, func, func_data, destroy);
}
static void
gtk_entry_completion_clear_attributes (GtkCellLayout *cell_layout,
GtkCellRenderer *cell)
{
GtkEntryCompletionPrivate *priv;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (cell_layout));
priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (cell_layout);
gtk_tree_view_column_clear_attributes (priv->column, cell);
}
static void
gtk_entry_completion_reorder (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
gint position)
{
GtkEntryCompletionPrivate *priv;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (cell_layout));
priv = GTK_ENTRY_COMPLETION_GET_PRIVATE (cell_layout);
gtk_cell_layout_reorder (GTK_CELL_LAYOUT (priv->column), cell, position);
}
/* all those callbacks */
static gboolean
gtk_entry_completion_default_completion_func (GtkEntryCompletion *completion,
const gchar *key,
GtkTreeIter *iter,
gpointer user_data)
{
gchar *item = NULL;
gchar *normalized_string;
gchar *case_normalized_string;
gboolean ret = FALSE;
GtkTreeModel *model;
model = gtk_tree_model_filter_get_model (completion->priv->filter_model);
gtk_tree_model_get (model, iter,
completion->priv->text_column, &item,
-1);
if (item != NULL)
{
normalized_string = g_utf8_normalize (item, -1, G_NORMALIZE_ALL);
case_normalized_string = g_utf8_casefold (normalized_string, -1);
if (!strncmp (key, case_normalized_string, strlen (key)))
ret = TRUE;
g_free (item);
g_free (normalized_string);
g_free (case_normalized_string);
}
return ret;
}
static gboolean
gtk_entry_completion_visible_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
gboolean ret = FALSE;
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (data);
if (!completion->priv->case_normalized_key)
return ret;
if (completion->priv->text_column >= 0)
ret = gtk_entry_completion_default_completion_func (completion,
completion->priv->case_normalized_key,
iter,
NULL);
else if (completion->priv->match_func)
ret = (* completion->priv->match_func) (completion,
completion->priv->case_normalized_key,
iter,
completion->priv->match_data);
return ret;
}
static gboolean
gtk_entry_completion_popup_key_press (GtkWidget *widget,
GdkEventKey *event,
gpointer user_data)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (user_data);
if (!GTK_WIDGET_MAPPED (completion->priv->popup_window))
return FALSE;
/* propagate event to the entry */
gtk_widget_event (completion->priv->entry, (GdkEvent *)event);
return TRUE;
}
static gboolean
gtk_entry_completion_popup_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (user_data);
if (!GTK_WIDGET_MAPPED (completion->priv->popup_window))
return FALSE;
/* if we come here, it's usually time to popdown */
_gtk_entry_completion_popdown (completion);
return TRUE;
}
static gboolean
gtk_entry_completion_list_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (user_data);
GtkTreePath *path = NULL;
if (!GTK_WIDGET_MAPPED (completion->priv->popup_window))
return FALSE;
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
event->x, event->y,
&path, NULL, NULL, NULL))
{
gboolean entry_set;
GtkTreeIter iter;
gtk_tree_model_get_iter (GTK_TREE_MODEL (completion->priv->filter_model),
&iter, path);
gtk_tree_path_free (path);
g_signal_emit (completion, entry_completion_signals[MATCH_SELECTED],
0, GTK_TREE_MODEL (completion->priv->filter_model),
&iter, &entry_set);
if (!entry_set)
{
gchar *str = NULL;
gtk_tree_model_get (GTK_TREE_MODEL (completion->priv->filter_model),
&iter,
completion->priv->text_column, &str,
-1);
g_signal_handler_block (completion->priv->entry,
completion->priv->changed_id);
gtk_entry_set_text (GTK_ENTRY (completion->priv->entry), str);
g_signal_handler_unblock (completion->priv->entry,
completion->priv->changed_id);
/* move cursor to the end */
gtk_editable_set_position (GTK_EDITABLE (completion->priv->entry),
-1);
g_free (str);
}
_gtk_entry_completion_popdown (completion);
return TRUE;
}
return FALSE;
}
static gboolean
gtk_entry_completion_action_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (user_data);
GtkTreePath *path = NULL;
if (!GTK_WIDGET_MAPPED (completion->priv->popup_window))
return FALSE;
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
event->x, event->y,
&path, NULL, NULL, NULL))
{
g_signal_emit (completion, entry_completion_signals[ACTION_ACTIVATED],
0, gtk_tree_path_get_indices (path)[0]);
gtk_tree_path_free (path);
_gtk_entry_completion_popdown (completion);
return TRUE;
}
return FALSE;
}
static void
gtk_entry_completion_action_data_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
gchar *string = NULL;
gboolean markup;
gtk_tree_model_get (model, iter,
0, &string,
1, &markup,
-1);
if (!string)
return;
if (markup)
g_object_set (G_OBJECT (cell),
"text", NULL,
"markup", string,
NULL);
else
g_object_set (G_OBJECT (cell),
"markup", NULL,
"text", string,
NULL);
g_free (string);
}
static void
gtk_entry_completion_selection_changed (GtkTreeSelection *selection,
gpointer data)
{
GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (data);
if (completion->priv->first_sel_changed)
{
completion->priv->first_sel_changed = FALSE;
if (gtk_widget_is_focus (completion->priv->tree_view))
gtk_tree_selection_unselect_all (selection);
}
}
/* public API */
/**
* gtk_entry_completion_new:
*
* Creates a new #GtkEntryCompletion object.
*
* Return value: A newly created #GtkEntryCompletion object.
*
* Since: 2.4
*/
GtkEntryCompletion *
gtk_entry_completion_new (void)
{
GtkEntryCompletion *completion;
completion = g_object_new (GTK_TYPE_ENTRY_COMPLETION, NULL);
return completion;
}
/**
* gtk_entry_completion_get_entry:
* @completion: A #GtkEntryCompletion.
*
* Gets the entry @completion has been attached to.
*
* Return value: The entry @completion has been attached to.
*
* Since: 2.4
*/
GtkWidget *
gtk_entry_completion_get_entry (GtkEntryCompletion *completion)
{
g_return_val_if_fail (GTK_IS_ENTRY_COMPLETION (completion), NULL);
return completion->priv->entry;
}
/**
* gtk_entry_completion_set_model:
* @completion: A #GtkEntryCompletion.
* @model: The #GtkTreeModel.
*
* Sets the model for a #GtkEntryCompletion. If @completion already has
* a model set, it will remove it before setting the new model.
*
* Since: 2.4
*/
void
gtk_entry_completion_set_model (GtkEntryCompletion *completion,
GtkTreeModel *model)
{
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
g_return_if_fail (GTK_IS_TREE_MODEL (model));
/* code will unref the old filter model (if any) */
completion->priv->filter_model =
GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (model, NULL));
gtk_tree_model_filter_set_visible_func (completion->priv->filter_model,
gtk_entry_completion_visible_func,
completion,
NULL);
gtk_tree_view_set_model (GTK_TREE_VIEW (completion->priv->tree_view),
GTK_TREE_MODEL (completion->priv->filter_model));
g_object_unref (G_OBJECT (completion->priv->filter_model));
}
/**
* gtk_entry_completion_get_model:
* @completion: A #GtkEntryCompletion.
*
* Returns the model the #GtkEntryCompletion is using as data source.
* Returns %NULL if the model is unset.
*
* Return value: A #GtkTreeModel, or %NULL if none is currently being used.
*
* Since: 2.4
*/
GtkTreeModel *
gtk_entry_completion_get_model (GtkEntryCompletion *completion)
{
g_return_val_if_fail (GTK_IS_ENTRY_COMPLETION (completion), NULL);
return gtk_tree_model_filter_get_model (completion->priv->filter_model);
}
/**
* gtk_entry_completion_set_match_func:
* @completion: A #GtkEntryCompletion.
* @func: The #GtkEntryCompletionMatchFunc to use.
* @func_data: The user data for @func.
* @func_notify: Destroy notifier for @func_data.
*
* Sets the match function for @completion to be @func. The match function
* is used to determine if a row should or should not be in the completion
* list.
*
* Since: 2.4.
*/
void
gtk_entry_completion_set_match_func (GtkEntryCompletion *completion,
GtkEntryCompletionMatchFunc func,
gpointer func_data,
GDestroyNotify func_notify)
{
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
if (completion->priv->match_notify)
(* completion->priv->match_notify) (completion->priv->match_data);
completion->priv->match_func = func;
completion->priv->match_data = func_data;
completion->priv->match_notify = func_notify;
}
/**
* gtk_entry_completion_set_minimum_key_length:
* @completion: A #GtkEntryCompletion.
* @length: The minimum length of the key in order to start completing.
*
* Requires the length of the search key for @completion to be at least
* @length. This is useful for long lists, where completing using a small
* key takes a lot of time and will come up with meaningless results anyway
* (ie, a too large dataset).
*
* Since: 2.4
*/
void
gtk_entry_completion_set_minimum_key_length (GtkEntryCompletion *completion,
gint length)
{
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
g_return_if_fail (length >= 1);
completion->priv->minimum_key_length = length;
}
/**
* gtk_entry_completion_get_minimum_key_length:
* @completion: A #GtkEntryCompletion.
*
* Returns the minimum key length as set for @completion.
*
* Return value: The currently used minimum key length.
*
* Since: 2.4
*/
gint
gtk_entry_completion_get_minimum_key_length (GtkEntryCompletion *completion)
{
g_return_val_if_fail (GTK_IS_ENTRY_COMPLETION (completion), 0);
return completion->priv->minimum_key_length;
}
/**
* gtk_entry_completion_complete:
* @completion: A #GtkEntryCompletion.
*
* Requests a completion operation, or in other words a refiltering of the
* current list with completions, using the current key. The completion list
* view will be updated accordingly.
*
* Since: 2.4
*/
void
gtk_entry_completion_complete (GtkEntryCompletion *completion)
{
gchar *tmp;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
g_return_if_fail (completion->priv->filter_model != NULL);
if (completion->priv->case_normalized_key)
g_free (completion->priv->case_normalized_key);
tmp = g_utf8_normalize (gtk_entry_get_text (GTK_ENTRY (completion->priv->entry)),
-1, G_NORMALIZE_ALL);
completion->priv->case_normalized_key = g_utf8_casefold (tmp, -1);
g_free (tmp);
gtk_tree_model_filter_refilter (completion->priv->filter_model);
}
static void
gtk_entry_completion_insert_action (GtkEntryCompletion *completion,
gint index,
const gchar *string,
gboolean markup)
{
GtkTreeIter iter;
gtk_list_store_insert (completion->priv->actions, &iter, index);
gtk_list_store_set (completion->priv->actions, &iter,
0, string,
1, markup,
-1);
if (!completion->priv->action_view->parent)
{
GtkTreePath *path = gtk_tree_path_new_from_indices (0, -1);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (completion->priv->action_view),
path, NULL, FALSE);
gtk_tree_path_free (path);
gtk_box_pack_start (GTK_BOX (completion->priv->vbox),
completion->priv->action_view, FALSE, FALSE, 0);
gtk_widget_show (completion->priv->action_view);
}
}
/**
* gtk_entry_completion_insert_action_text:
* @completion: A #GtkEntryCompletion.
* @index: The index of the item to insert.
* @text: Text of the item to insert.
*
* Inserts an action in @completion's action item list at position @index
* with text @text. If you want the action item to have markup, use
* gtk_entry_completion_insert_action_markup().
*
* Since: 2.4
*/
void
gtk_entry_completion_insert_action_text (GtkEntryCompletion *completion,
gint index,
const gchar *text)
{
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
g_return_if_fail (text != NULL);
gtk_entry_completion_insert_action (completion, index, text, FALSE);
}
/**
* gtk_entry_completion_insert_action_markup:
* @completion: A #GtkEntryCompletion.
* @index: The index of the item to insert.
* @markup: Markup of the item to insert.
*
* Inserts an action in @completion's action item list at position @index
* with markup @markup.
*
* Since: 2.4
*/
void
gtk_entry_completion_insert_action_markup (GtkEntryCompletion *completion,
gint index,
const gchar *markup)
{
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
g_return_if_fail (markup != NULL);
gtk_entry_completion_insert_action (completion, index, markup, TRUE);
}
/**
* gtk_entry_completion_delete_action:
* @completion: A #GtkEntryCompletion.
* @index: The index of the item to Delete.
*
* Deletes the action at @index from @completion's action list.
*
* Since: 2.4
*/
void
gtk_entry_completion_delete_action (GtkEntryCompletion *completion,
gint index)
{
GtkTreeIter iter;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
g_return_if_fail (index >= 0);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (completion->priv->actions),
&iter, NULL, index);
gtk_list_store_remove (completion->priv->actions, &iter);
}
/**
* gtk_entry_completion_set_text_column:
* @completion: A #GtkEntryCompletion.
* @column: The column in the model of @completion to get strings from.
*
* Convenience function for setting up the most used case of this code: a
* completion list with just strings. This function will set up @completion
* to have a list displaying all (and just) strings in the completion list,
* and to get those strings from @column in the model of @completion.
*
* This functions creates and adds a GtkCellRendererText for the selected column.
* Since: 2.4
*/
void
gtk_entry_completion_set_text_column (GtkEntryCompletion *completion,
gint column)
{
GtkCellRenderer *cell;
g_return_if_fail (GTK_IS_ENTRY_COMPLETION (completion));
g_return_if_fail (column >= 0);
completion->priv->text_column = column;
cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion),
cell, TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (completion),
cell,
"text", column);
}
/* private */
/* lame copy from gtkentry.c */
static void
get_borders (GtkEntry *entry,
gint *xborder,
gint *yborder)
{
GtkWidget *widget = GTK_WIDGET (entry);
gint focus_width;
gboolean interior_focus;
gtk_widget_style_get (widget,
"interior-focus", &interior_focus,
"focus-line-width", &focus_width,
NULL);
if (entry->has_frame)
{
*xborder = widget->style->xthickness;
*yborder = widget->style->ythickness;
}
else
{
*xborder = 0;
*yborder = 0;
}
if (!interior_focus)
{
*xborder += focus_width;
*yborder += focus_width;
}
}
/* some nasty size requisition */
gint
_gtk_entry_completion_resize_popup (GtkEntryCompletion *completion)
{
gint items, height, x_border, y_border;
get_borders (GTK_ENTRY (completion->priv->entry), &x_border, &y_border);
items = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (completion->priv->filter_model), NULL);
items = MIN (items, 15);
gtk_tree_view_column_cell_get_size (completion->priv->column, NULL,
NULL, NULL, NULL, &height);
if (items <= 0)
gtk_widget_hide (completion->priv->scrolled_window);
else
gtk_widget_show (completion->priv->scrolled_window);
gtk_widget_set_size_request (completion->priv->tree_view,
completion->priv->entry->allocation.width - 2 * x_border,
items * height);
/* default on no match */
completion->priv->current_selected = -1;
items = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (completion->priv->actions), NULL);
if (items)
{
gtk_widget_show (completion->priv->action_view);
gtk_tree_view_column_cell_get_size (gtk_tree_view_get_column (GTK_TREE_VIEW (completion->priv->action_view), 0),
NULL, NULL, NULL, NULL,
&height);
gtk_widget_set_size_request (completion->priv->action_view,
completion->priv->entry->allocation.width - 2 * x_border,
items * height);
}
else
gtk_widget_hide (completion->priv->action_view);
return height;
}
void
_gtk_entry_completion_popup (GtkEntryCompletion *completion)
{
gint x, y, x_border, y_border;
gint height;
GdkScreen *screen;
gint monitor_num;
GdkRectangle monitor;
GtkRequisition popup_req;
GtkTreeViewColumn *column;
GList *renderers;
if (GTK_WIDGET_MAPPED (completion->priv->popup_window))
return;
column = gtk_tree_view_get_column (GTK_TREE_VIEW (completion->priv->action_view), 0);
renderers = gtk_tree_view_column_get_cell_renderers (column);
gtk_widget_ensure_style (completion->priv->tree_view);
g_object_set (GTK_CELL_RENDERER (renderers->data), "cell_background_gdk",
&completion->priv->tree_view->style->bg[GTK_STATE_NORMAL],
NULL);
g_list_free (renderers);
gtk_widget_show_all (completion->priv->vbox);
gdk_window_get_origin (completion->priv->entry->window, &x, &y);
get_borders (GTK_ENTRY (completion->priv->entry), &x_border, &y_border);
x += x_border;
y += 2 * y_border;
height = _gtk_entry_completion_resize_popup (completion);
gtk_widget_size_request (completion->priv->popup_window, &popup_req);
screen = gtk_widget_get_screen (GTK_WIDGET (completion->priv->entry));
monitor_num = gdk_screen_get_monitor_at_window (screen,
GTK_WIDGET (completion->priv->entry)->window);
gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
if (x < monitor.x)
x = monitor.x;
else if (x + popup_req.width > monitor.x + monitor.width)
x = monitor.x + monitor.width - popup_req.width;
if (y + height + popup_req.height <= monitor.y + monitor.height)
y += height;
else
y -= popup_req.height;
gtk_window_move (GTK_WINDOW (completion->priv->popup_window), x, y);
gtk_widget_show (completion->priv->popup_window);
gtk_grab_add (completion->priv->popup_window);
gdk_pointer_grab (completion->priv->popup_window->window, TRUE,
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK,
NULL, NULL, GDK_CURRENT_TIME);
}
void
_gtk_entry_completion_popdown (GtkEntryCompletion *completion)
{
gdk_pointer_ungrab (GDK_CURRENT_TIME);
gtk_grab_remove (completion->priv->popup_window);
gtk_widget_hide (completion->priv->popup_window);
}
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