* 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 Library General Public
+ * 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
- * Library General Public License for more details.
+ * Lesser 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*/
-#include <ctype.h>
+
+/*
+ * 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 <string.h>
-#ifdef USE_XIM
-#include "gdk/gdkx.h"
-#endif
-#include "gdk/gdkkeysyms.h"
-#include "gdk/gdki18n.h"
+
#include "gtkeditable.h"
-#include "gtkmain.h"
-#include "gtkselection.h"
-#include "gtksignal.h"
-
-#define MIN_EDITABLE_WIDTH 150
-#define DRAW_TIMEOUT 20
-#define INNER_BORDER 2
-
-enum {
- ACTIVATE,
- CHANGED,
- LAST_SIGNAL
-};
-
-static void gtk_editable_class_init (GtkEditableClass *klass);
-static void gtk_editable_init (GtkEditable *editable);
-static void gtk_editable_finalize (GtkObject *object);
-static gint gtk_editable_selection_clear (GtkWidget *widget,
- GdkEventSelection *event);
-static void gtk_editable_selection_handler (GtkWidget *widget,
- GtkSelectionData *selection_data,
- gpointer data);
-static void gtk_editable_selection_received (GtkWidget *widget,
- GtkSelectionData *selection_data);
-
-static void gtk_editable_set_selection (GtkEditable *editable,
- gint start,
- gint end);
-
-static GtkWidgetClass *parent_class = NULL;
-static guint editable_signals[LAST_SIGNAL] = { 0 };
-static GdkAtom ctext_atom = GDK_NONE;
-static GdkAtom text_atom = GDK_NONE;
-static GdkAtom clipboard_atom = GDK_NONE;
-
-guint
-gtk_editable_get_type ()
+#include "gtkmarshalers.h"
+
+
+static void gtk_editable_base_init (gpointer g_class);
+
+
+GType
+gtk_editable_get_type (void)
{
- static guint editable_type = 0;
+ static GType editable_type = 0;
if (!editable_type)
{
- GtkTypeInfo editable_info =
+ static const GTypeInfo editable_info =
{
- "GtkEditable",
- sizeof (GtkEditable),
- sizeof (GtkEditableClass),
- (GtkClassInitFunc) gtk_editable_class_init,
- (GtkObjectInitFunc) gtk_editable_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL,
+ sizeof (GtkEditableClass), /* class_size */
+ gtk_editable_base_init, /* base_init */
+ NULL, /* base_finalize */
};
- editable_type = gtk_type_unique (gtk_widget_get_type (), &editable_info);
+ editable_type = g_type_register_static (G_TYPE_INTERFACE, "GtkEditable",
+ &editable_info, 0);
}
return editable_type;
}
static void
-gtk_editable_class_init (GtkEditableClass *class)
-{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
-
- object_class = (GtkObjectClass*) class;
- widget_class = (GtkWidgetClass*) class;
-
- parent_class = gtk_type_class (gtk_widget_get_type ());
-
- editable_signals[ACTIVATE] =
- gtk_signal_new ("activate",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (GtkEditableClass, activate),
- gtk_signal_default_marshaller,
- GTK_TYPE_NONE, 0);
-
- editable_signals[CHANGED] =
- gtk_signal_new ("changed",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (GtkEditableClass, changed),
- gtk_signal_default_marshaller,
- GTK_TYPE_NONE, 0);
-
- gtk_object_class_add_signals (object_class, editable_signals, LAST_SIGNAL);
-
- object_class->finalize = gtk_editable_finalize;
-
- widget_class->selection_clear_event = gtk_editable_selection_clear;
- widget_class->selection_received = gtk_editable_selection_received;
-
- class->insert_text = NULL;
- class->delete_text = NULL;
- class->update_text = NULL;
- class->get_chars = NULL;
- class->set_selection = NULL;
- class->changed = NULL;
-}
-
-static void
-gtk_editable_init (GtkEditable *editable)
-{
- GTK_WIDGET_SET_FLAGS (editable, GTK_CAN_FOCUS);
-
- editable->selection_start_pos = 0;
- editable->selection_end_pos = 0;
- editable->has_selection = FALSE;
- editable->editable = 1;
- editable->clipboard_text = NULL;
-
-#ifdef USE_XIM
- editable->ic = NULL;
-#endif
-
- if (!clipboard_atom)
- clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
-
- gtk_selection_add_handler (GTK_WIDGET(editable), GDK_SELECTION_PRIMARY,
- GDK_TARGET_STRING, gtk_editable_selection_handler,
- NULL);
- gtk_selection_add_handler (GTK_WIDGET(editable), clipboard_atom,
- GDK_TARGET_STRING, gtk_editable_selection_handler,
- NULL);
-
- if (!text_atom)
- text_atom = gdk_atom_intern ("TEXT", FALSE);
-
- gtk_selection_add_handler (GTK_WIDGET(editable), GDK_SELECTION_PRIMARY,
- text_atom,
- gtk_editable_selection_handler,
- NULL);
- gtk_selection_add_handler (GTK_WIDGET(editable), clipboard_atom,
- text_atom,
- gtk_editable_selection_handler,
- NULL);
-
- if (!ctext_atom)
- ctext_atom = gdk_atom_intern ("COMPOUND_TEXT", FALSE);
-
- gtk_selection_add_handler (GTK_WIDGET(editable), GDK_SELECTION_PRIMARY,
- ctext_atom,
- gtk_editable_selection_handler,
- NULL);
- gtk_selection_add_handler (GTK_WIDGET(editable), clipboard_atom,
- ctext_atom,
- gtk_editable_selection_handler,
- NULL);
-}
-
-static void
-gtk_editable_finalize (GtkObject *object)
+gtk_editable_base_init (gpointer g_class)
{
- GtkEditable *editable;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GTK_IS_EDITABLE (object));
+ static gboolean initialized = FALSE;
- editable = GTK_EDITABLE (object);
-
-#ifdef USE_XIM
- if (editable->ic)
+ if (! initialized)
{
- gdk_ic_destroy (editable->ic);
- editable->ic = NULL;
+ g_signal_new ("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);
+ g_signal_new ("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);
+ g_signal_new ("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;
}
-#endif
-
- (* GTK_OBJECT_CLASS (parent_class)->finalize) (object);
}
void
gint new_text_length,
gint *position)
{
- GtkEditableClass *klass;
-
- gchar buf[64];
- gchar *text;
-
- g_return_if_fail (editable != NULL);
g_return_if_fail (GTK_IS_EDITABLE (editable));
+ g_return_if_fail (position != NULL);
- klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
-
- if (new_text_length <= 64)
- text = buf;
- else
- text = g_new (gchar, new_text_length);
-
- strncpy (text, new_text, new_text_length);
-
- klass->insert_text (editable, text, new_text_length, position);
- gtk_signal_emit (GTK_OBJECT (editable), editable_signals[CHANGED]);
-
- if (new_text_length > 64)
- g_free (text);
+ 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);
}
void
gint start_pos,
gint end_pos)
{
- GtkEditableClass *klass;
-
- g_return_if_fail (editable != NULL);
g_return_if_fail (GTK_IS_EDITABLE (editable));
- klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
-
- klass->delete_text (editable, start_pos, end_pos);
- gtk_signal_emit (GTK_OBJECT (editable), editable_signals[CHANGED]);
-}
-
-static void
-gtk_editable_update_text (GtkEditable *editable,
- gint start_pos,
- gint end_pos)
-{
- GtkEditableClass *klass;
-
- g_return_if_fail (editable != NULL);
- g_return_if_fail (GTK_IS_EDITABLE (editable));
-
- klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
-
- klass->update_text (editable, start_pos, end_pos);
+ GTK_EDITABLE_GET_CLASS (editable)->do_delete_text (editable, start_pos, end_pos);
}
gchar *
-gtk_editable_get_chars (GtkEditable *editable,
- gint start,
- gint end)
+gtk_editable_get_chars (GtkEditable *editable,
+ gint start,
+ gint end)
{
- GtkEditableClass *klass;
-
- g_return_val_if_fail (editable != NULL, NULL);
- g_return_val_if_fail (GTK_IS_EDITABLE (editable), NULL);
-
- klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
+ g_return_val_if_fail (GTK_IS_EDITABLE (editable), FALSE);
- return klass->get_chars (editable, start, end);
+ return GTK_EDITABLE_GET_CLASS (editable)->get_chars (editable, start, end);
}
-static void
-gtk_editable_set_selection (GtkEditable *editable,
- gint start_pos,
- gint end_pos)
+void
+gtk_editable_set_position (GtkEditable *editable,
+ gint position)
{
- GtkEditableClass *klass;
-
- g_return_if_fail (editable != NULL);
g_return_if_fail (GTK_IS_EDITABLE (editable));
- klass = GTK_EDITABLE_CLASS (GTK_OBJECT (editable)->klass);
-
- klass->set_selection (editable, start_pos, end_pos);
+ GTK_EDITABLE_GET_CLASS (editable)->set_position (editable, position);
}
-static gint
-gtk_editable_selection_clear (GtkWidget *widget,
- GdkEventSelection *event)
+gint
+gtk_editable_get_position (GtkEditable *editable)
{
- GtkEditable *editable;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_EDITABLE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- /* Let the selection handling code know that the selection
- * has been changed, since we've overriden the default handler */
- if (!gtk_selection_clear (widget, event))
- return FALSE;
-
- editable = GTK_EDITABLE (widget);
-
- if (event->selection == GDK_SELECTION_PRIMARY)
- {
- if (editable->has_selection)
- {
- editable->has_selection = FALSE;
- gtk_editable_update_text (editable, editable->selection_start_pos,
- editable->selection_end_pos);
- }
- }
- else if (event->selection == clipboard_atom)
- {
- g_free (editable->clipboard_text);
- editable->clipboard_text = NULL;
- }
-
- return TRUE;
-}
+ g_return_val_if_fail (GTK_IS_EDITABLE (editable), 0);
-static void
-gtk_editable_selection_handler (GtkWidget *widget,
- GtkSelectionData *selection_data,
- gpointer data)
-{
- GtkEditable *editable;
- gint selection_start_pos;
- gint selection_end_pos;
-
- gchar *str;
- gint length;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_EDITABLE (widget));
-
- editable = GTK_EDITABLE (widget);
-
- if (selection_data->selection == GDK_SELECTION_PRIMARY)
- {
- selection_start_pos = MIN (editable->selection_start_pos, editable->selection_end_pos);
- selection_end_pos = MAX (editable->selection_start_pos, editable->selection_end_pos);
- str = gtk_editable_get_chars(editable,
- selection_start_pos,
- selection_end_pos);
- length = selection_end_pos - selection_start_pos;
- }
- else /* CLIPBOARD */
- {
- if (!editable->clipboard_text)
- return; /* Refuse */
-
- str = editable->clipboard_text;
- length = strlen (editable->clipboard_text);
- }
-
- if (selection_data->target == GDK_SELECTION_TYPE_STRING)
- {
- gtk_selection_data_set (selection_data,
- GDK_SELECTION_TYPE_STRING,
- 8*sizeof(gchar), (guchar *)str, length);
- }
- else if (selection_data->target == text_atom ||
- selection_data->target == ctext_atom)
- {
- guchar *text;
- gchar c;
- GdkAtom encoding;
- gint format;
- gint new_length;
-
- c = str[length];
- str[length] = '\0';
- gdk_string_to_compound_text (str, &encoding, &format, &text, &new_length);
- gtk_selection_data_set (selection_data, encoding, format, text, new_length);
- gdk_free_compound_text (text);
- str[length] = c;
- }
-
- if (str != editable->clipboard_text)
- g_free (str);
+ return GTK_EDITABLE_GET_CLASS (editable)->get_position (editable);
}
-static void
-gtk_editable_selection_received (GtkWidget *widget,
- GtkSelectionData *selection_data)
+gboolean
+gtk_editable_get_selection_bounds (GtkEditable *editable,
+ gint *start_pos,
+ gint *end_pos)
{
- GtkEditable *editable;
- gint reselect;
- gint old_pos;
- gint tmp_pos;
- enum {INVALID, STRING, CTEXT} type;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_EDITABLE (widget));
-
- editable = GTK_EDITABLE (widget);
-
- if (selection_data->type == GDK_TARGET_STRING)
- type = STRING;
- else if (selection_data->type == ctext_atom)
- type = CTEXT;
- else
- type = INVALID;
-
- if (type == INVALID || selection_data->length < 0)
- {
- /* avoid infinite loop */
- if (selection_data->target != GDK_TARGET_STRING)
- gtk_selection_convert (widget, selection_data->selection,
- GDK_TARGET_STRING, GDK_CURRENT_TIME);
- return;
- }
-
- reselect = FALSE;
-
- if ((editable->selection_start_pos != editable->selection_end_pos) &&
- (!editable->has_selection ||
- (selection_data->selection == clipboard_atom)))
- {
- reselect = TRUE;
-
- /* Don't want to call gtk_editable_delete_selection here if we are going
- * to reclaim the selection to avoid extra server traffic */
- if (editable->has_selection)
- {
- gtk_editable_delete_text (editable,
- MIN (editable->selection_start_pos, editable->selection_end_pos),
- MAX (editable->selection_start_pos, editable->selection_end_pos));
- }
- else
- gtk_editable_delete_selection (editable);
- }
+ gint tmp_start, tmp_end;
+ gboolean result;
+
+ g_return_val_if_fail (GTK_IS_EDITABLE (editable), FALSE);
- tmp_pos = old_pos = editable->current_pos;
+ result = GTK_EDITABLE_GET_CLASS (editable)->get_selection_bounds (editable, &tmp_start, &tmp_end);
- switch (type)
- {
- case STRING:
- selection_data->data[selection_data->length] = 0;
- gtk_editable_insert_text (editable, selection_data->data,
- strlen ((gchar *)selection_data->data),
- &tmp_pos);
- editable->current_pos = tmp_pos;
- break;
- case CTEXT:
- {
- gchar **list;
- gint count;
- gint i;
-
- count = gdk_text_property_to_text_list (selection_data->type,
- selection_data->format,
- selection_data->data,
- selection_data->length,
- &list);
- for (i=0; i<count; i++)
- {
- gtk_editable_insert_text (editable, list[i], strlen (list[i]), &tmp_pos);
- editable->current_pos = tmp_pos;
- }
- if (count > 0)
- gdk_free_text_list (list);
- }
- break;
- case INVALID: /* quiet compiler */
- break;
- }
+ if (start_pos)
+ *start_pos = MIN (tmp_start, tmp_end);
+ if (end_pos)
+ *end_pos = MAX (tmp_start, tmp_end);
- if (reselect)
- gtk_editable_set_selection (editable, old_pos, editable->current_pos);
+ return result;
}
void
gtk_editable_delete_selection (GtkEditable *editable)
{
- guint start;
- guint end;
+ gint start, end;
- if (!editable->editable)
- return;
-
- start = editable->selection_start_pos;
- end = editable->selection_end_pos;
-
- editable->selection_start_pos = 0;
- editable->selection_end_pos = 0;
-
- if (start != end)
- gtk_editable_delete_text (editable, MIN (start, end), MAX (start,end));
+ g_return_if_fail (GTK_IS_EDITABLE (editable));
- if (editable->has_selection)
- {
- editable->has_selection = FALSE;
- if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == GTK_WIDGET (editable)->window)
- gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME);
- }
+ if (gtk_editable_get_selection_bounds (editable, &start, &end))
+ gtk_editable_delete_text (editable, start, end);
}
void
-gtk_editable_claim_selection (GtkEditable *editable,
- gboolean claim,
- guint32 time)
+gtk_editable_select_region (GtkEditable *editable,
+ gint start,
+ gint end)
{
- g_return_if_fail (GTK_WIDGET_REALIZED (editable));
-
- editable->has_selection = FALSE;
+ g_return_if_fail (GTK_IS_EDITABLE (editable));
- if (claim)
- {
- if (gtk_selection_owner_set (GTK_WIDGET(editable), GDK_SELECTION_PRIMARY, time))
- editable->has_selection = TRUE;
- }
- else
- {
- if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) ==
- GTK_WIDGET(editable)->window)
- gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, time);
- }
+ GTK_EDITABLE_GET_CLASS (editable)->set_selection_bounds (editable, start, end);
}
void
-gtk_editable_select_region (GtkEditable *editable,
- gint start,
- gint end)
+gtk_editable_cut_clipboard (GtkEditable *editable)
{
- if (GTK_WIDGET_REALIZED (editable))
- gtk_editable_claim_selection (editable, start != end, GDK_CURRENT_TIME);
-
- gtk_editable_set_selection (editable, start, end);
+ g_return_if_fail (GTK_IS_EDITABLE (editable));
+
+ g_signal_emit_by_name (editable, "cut_clipboard");
}
void
-gtk_editable_cut_clipboard (GtkEditable *editable, guint32 time)
+gtk_editable_copy_clipboard (GtkEditable *editable)
{
- gtk_editable_copy_clipboard (editable, time);
- gtk_editable_delete_selection (editable);
+ g_return_if_fail (GTK_IS_EDITABLE (editable));
+
+ g_signal_emit_by_name (editable, "copy_clipboard");
}
void
-gtk_editable_copy_clipboard (GtkEditable *editable, guint32 time)
+gtk_editable_paste_clipboard (GtkEditable *editable)
{
- gint selection_start_pos;
- gint selection_end_pos;
-
- selection_start_pos = MIN (editable->selection_start_pos, editable->selection_end_pos);
- selection_end_pos = MAX (editable->selection_start_pos, editable->selection_end_pos);
-
- if (selection_start_pos != selection_end_pos)
- {
- if (gtk_selection_owner_set (GTK_WIDGET (editable),
- clipboard_atom,
- time))
- editable->clipboard_text = gtk_editable_get_chars (editable,
- selection_start_pos,
- selection_end_pos);
- }
+ g_return_if_fail (GTK_IS_EDITABLE (editable));
+
+ g_signal_emit_by_name (editable, "paste_clipboard");
}
void
-gtk_editable_paste_clipboard (GtkEditable *editable, guint32 time)
+gtk_editable_set_editable (GtkEditable *editable,
+ gboolean is_editable)
{
- if (editable->editable)
- gtk_selection_convert (GTK_WIDGET(editable),
- clipboard_atom, ctext_atom, time);
+ g_return_if_fail (GTK_IS_EDITABLE (editable));
+
+ g_object_set (G_OBJECT (editable),
+ "editable", is_editable != FALSE,
+ NULL);
}
-void
-gtk_editable_changed (GtkEditable *editable)
+/**
+ * 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)
{
- gtk_signal_emit (GTK_OBJECT (editable), editable_signals[CHANGED]);
+ gboolean value;
+
+ g_return_val_if_fail (GTK_IS_EDITABLE (editable), FALSE);
+
+ g_object_get (G_OBJECT (editable), "editable", &value, NULL);
+
+ return value;
}
projects / ~andy / gtk / blobdiff