Robin Gareus
ad51c7c2ba
This is intended mainly for GNU/Linux distros who will remove GTK2 support in the near future.
430 lines
12 KiB
C
430 lines
12 KiB
C
/* 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"
|