/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <string.h>
#include "gtkeditable.h"
#include "gtkmarshalers.h"
#include "gtkintl.h"
#include "gtkalias.h"
static void gtk_editable_base_init (gpointer g_class);
GType
gtk_editable_get_type (void)
{
static GType editable_type = 0;
if (!editable_type)
{
const GTypeInfo editable_info =
{
sizeof (GtkEditableClass), /* class_size */
gtk_editable_base_init, /* base_init */
NULL, /* base_finalize */
};
editable_type = g_type_register_static (G_TYPE_INTERFACE, I_("GtkEditable"),
&editable_info, 0);
}
return editable_type;
}
static void
gtk_editable_base_init (gpointer g_class)
{
static gboolean initialized = FALSE;
if (! initialized)
{
/**
* GtkEditable::insert-text:
* @editable: the object which received the signal
* @new_text: the new text to insert
* @new_text_length: the length of the new text, in bytes,
* or -1 if new_text is nul-terminated
* @position: (inout) (type int): the position, in characters,
* at which to insert the new text. this is an in-out
* parameter. After the signal emission is finished, it
* should point after the newly inserted text.
*
* This signal is emitted when text is inserted into
* the widget by the user. The default handler for
* this signal will normally be responsible for inserting
* the text, so by connecting to this signal and then
* stopping the signal with g_signal_stop_emission(), it
* is possible to modify the inserted text, or prevent
* it from being inserted entirely.
*/
g_signal_new (I_("insert-text"),
GTK_TYPE_EDITABLE,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkEditableClass, insert_text),
NULL, NULL,
_gtk_marshal_VOID__STRING_INT_POINTER,
G_TYPE_NONE, 3,
G_TYPE_STRING,
G_TYPE_INT,
G_TYPE_POINTER);
/**
* GtkEditable::delete-text:
* @editable: the object which received the signal
* @start_pos: the starting position
* @end_pos: the end position
*
* This signal is emitted when text is deleted from
* the widget by the user. The default handler for
* this signal will normally be responsible for deleting
* the text, so by connecting to this signal and then
* stopping the signal with g_signal_stop_emission(), it
* is possible to modify the range of deleted text, or
* prevent it from being deleted entirely. The @start_pos
* and @end_pos parameters are interpreted as for
* gtk_editable_delete_text().
*/
g_signal_new (I_("delete-text"),
GTK_TYPE_EDITABLE,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkEditableClass, delete_text),
NULL, NULL,
_gtk_marshal_VOID__INT_INT,
G_TYPE_NONE, 2,
G_TYPE_INT,
G_TYPE_INT);
/**
* GtkEditable::changed:
* @editable: the object which received the signal
*
* The ::changed signal is emitted at the end of a single
* user-visible operation on the contents of the #GtkEditable.
*
* E.g., a paste operation that replaces the contents of the
* selection will cause only one signal emission (even though it
* is implemented by first deleting the selection, then inserting
* the new content, and may cause multiple ::notify::text signals
* to be emitted).
*/
g_signal_new (I_("changed"),
GTK_TYPE_EDITABLE,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkEditableClass, changed),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
initialized = TRUE;
}
}
/**
* gtk_editable_insert_text:
* @editable: a #GtkEditable
* @new_text: the text to append
* @new_text_length: the length of the text in bytes, or -1
* @position: (inout): location of the position text will be inserted at
*
* Inserts @new_text_length bytes of @new_text into the contents of the
* widget, at position @position.
*
* Note that the position is in characters, not in bytes.
* The function updates @position to point after the newly inserted text.
*/
void
gtk_editable_insert_text (GtkEditable *editable,
const gchar *new_text,
gint new_text_length,
gint *position)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
g_return_if_fail (position != NULL);
if (new_text_length < 0)
new_text_length = strlen (new_text);
GTK_EDITABLE_GET_CLASS (editable)->do_insert_text (editable, new_text, new_text_length, position);
}
/**
* gtk_editable_delete_text:
* @editable: a #GtkEditable
* @start_pos: start position
* @end_pos: end position
*
* Deletes a sequence of characters. The characters that are deleted are
* those characters at positions from @start_pos up to, but not including
* @end_pos. If @end_pos is negative, then the the characters deleted
* are those from @start_pos to the end of the text.
*
* Note that the positions are specified in characters, not bytes.
*/
void
gtk_editable_delete_text (GtkEditable *editable,
gint start_pos,
gint end_pos)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
GTK_EDITABLE_GET_CLASS (editable)->do_delete_text (editable, start_pos, end_pos);
}
/**
* gtk_editable_get_chars:
* @editable: a #GtkEditable
* @start_pos: start of text
* @end_pos: end of text
*
* Retrieves a sequence of characters. The characters that are retrieved
* are those characters at positions from @start_pos up to, but not
* including @end_pos. If @end_pos is negative, then the the characters
* retrieved are those characters from @start_pos to the end of the text.
*
* Note that positions are specified in characters, not bytes.
*
* Return value: a pointer to the contents of the widget as a
* string. This string is allocated by the #GtkEditable
* implementation and should be freed by the caller.
*/
gchar *
gtk_editable_get_chars (GtkEditable *editable,
gint start_pos,
gint end_pos)
{
g_return_val_if_fail (GTK_IS_EDITABLE (editable), NULL);
return GTK_EDITABLE_GET_CLASS (editable)->get_chars (editable, start_pos, end_pos);
}
/**
* gtk_editable_set_position:
* @editable: a #GtkEditable
* @position: the position of the cursor
*
* Sets the cursor position in the editable to the given value.
*
* The cursor is displayed before the character with the given (base 0)
* index in the contents of the editable. The value must be less than or
* equal to the number of characters in the editable. A value of -1
* indicates that the position should be set after the last character
* of the editable. Note that @position is in characters, not in bytes.
*/
void
gtk_editable_set_position (GtkEditable *editable,
gint position)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
GTK_EDITABLE_GET_CLASS (editable)->set_position (editable, position);
}
/**
* gtk_editable_get_position:
* @editable: a #GtkEditable
*
* Retrieves the current position of the cursor relative to the start
* of the content of the editable.
*
* Note that this position is in characters, not in bytes.
*
* Return value: the cursor position
*/
gint
gtk_editable_get_position (GtkEditable *editable)
{
g_return_val_if_fail (GTK_IS_EDITABLE (editable), 0);
return GTK_EDITABLE_GET_CLASS (editable)->get_position (editable);
}
/**
* gtk_editable_get_selection_bounds:
* @editable: a #GtkEditable
* @start_pos: (out) (allow-none): location to store the starting position, or %NULL
* @end_pos: (out) (allow-none): location to store the end position, or %NULL
*
* Retrieves the selection bound of the editable. start_pos will be filled
* with the start of the selection and @end_pos with end. If no text was
* selected both will be identical and %FALSE will be returned.
*
* Note that positions are specified in characters, not bytes.
*
* Return value: %TRUE if an area is selected, %FALSE otherwise
*/
gboolean
gtk_editable_get_selection_bounds (GtkEditable *editable,
gint *start_pos,
gint *end_pos)
{
gint tmp_start, tmp_end;
gboolean result;
g_return_val_if_fail (GTK_IS_EDITABLE (editable), FALSE);
result = GTK_EDITABLE_GET_CLASS (editable)->get_selection_bounds (editable, &tmp_start, &tmp_end);
if (start_pos)
*start_pos = MIN (tmp_start, tmp_end);
if (end_pos)
*end_pos = MAX (tmp_start, tmp_end);
return result;
}
/**
* gtk_editable_delete_selection:
* @editable: a #GtkEditable
*
* Deletes the currently selected text of the editable.
* This call doesn't do anything if there is no selected text.
*/
void
gtk_editable_delete_selection (GtkEditable *editable)
{
gint start, end;
g_return_if_fail (GTK_IS_EDITABLE (editable));
if (gtk_editable_get_selection_bounds (editable, &start, &end))
gtk_editable_delete_text (editable, start, end);
}
/**
* gtk_editable_select_region:
* @editable: a #GtkEditable
* @start_pos: start of region
* @end_pos: end of region
*
* Selects a region of text. The characters that are selected are
* those characters at positions from @start_pos up to, but not
* including @end_pos. If @end_pos is negative, then the the
* characters selected are those characters from @start_pos to
* the end of the text.
*
* Note that positions are specified in characters, not bytes.
*/
void
gtk_editable_select_region (GtkEditable *editable,
gint start_pos,
gint end_pos)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
GTK_EDITABLE_GET_CLASS (editable)->set_selection_bounds (editable, start_pos, end_pos);
}
/**
* gtk_editable_cut_clipboard:
* @editable: a #GtkEditable
*
* Removes the contents of the currently selected content in the editable and
* puts it on the clipboard.
*/
void
gtk_editable_cut_clipboard (GtkEditable *editable)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
g_signal_emit_by_name (editable, "cut-clipboard");
}
/**
* gtk_editable_copy_clipboard:
* @editable: a #GtkEditable
*
* Copies the contents of the currently selected content in the editable and
* puts it on the clipboard.
*/
void
gtk_editable_copy_clipboard (GtkEditable *editable)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
g_signal_emit_by_name (editable, "copy-clipboard");
}
/**
* gtk_editable_paste_clipboard:
* @editable: a #GtkEditable
*
* Pastes the content of the clipboard to the current position of the
* cursor in the editable.
*/
void
gtk_editable_paste_clipboard (GtkEditable *editable)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
g_signal_emit_by_name (editable, "paste-clipboard");
}
/**
* gtk_editable_set_editable:
* @editable: a #GtkEditable
* @is_editable: %TRUE if the user is allowed to edit the text
* in the widget
*
* Determines if the user can edit the text in the editable
* widget or not.
*/
void
gtk_editable_set_editable (GtkEditable *editable,
gboolean is_editable)
{
g_return_if_fail (GTK_IS_EDITABLE (editable));
g_object_set (editable,
"editable", is_editable != FALSE,
NULL);
}
/**
* gtk_editable_get_editable:
* @editable: a #GtkEditable
*
* Retrieves whether @editable is editable. See
* gtk_editable_set_editable().
*
* Return value: %TRUE if @editable is editable.
*/
gboolean
gtk_editable_get_editable (GtkEditable *editable)
{
gboolean value;
g_return_val_if_fail (GTK_IS_EDITABLE (editable), FALSE);
g_object_get (editable, "editable", &value, NULL);
return value;
}
#define __GTK_EDITABLE_C__
#include "gtkaliasdef.c"