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Add a new binding signal ::backspace, bind it to the backspace key, and

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Mon Aug  2 01:30:03 2004  Matthias Clasen  <maclas@gmx.de>

	* gtk/gtktextview.[hc]:
	* gtk/gtkentry.[hc]: Add a new binding signal ::backspace,
	bind it to the backspace key, and make it pay attention
	to the Pango backspace_deletes_character
	attribute.  (#119891, Noah Levitt, patch by Theppitak
	Karoonboonyanan)
This commit is contained in:
Matthias Clasen 2004-08-02 05:34:08 +00:00 committed by Matthias Clasen
parent 856064b036
commit 4134499c25
8 changed files with 189 additions and 14 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
Mon Aug 2 01:30:03 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtktextview.[hc]:
* gtk/gtkentry.[hc]: Add a new binding signal ::backspace,
bind it to the backspace key, and make it pay attention
to the Pango backspace_deletes_character
attribute. (#119891, Noah Levitt, patch by Theppitak
Karoonboonyanan)
Mon Aug 2 01:02:57 2004 Matthias Clasen <maclas@gmx.de>
* gdk/x11/gdkevents-x11.c (gdk_check_wm_state_changed):

9
ChangeLog.pre-2-10
View File

@ -1,3 +1,12 @@
Mon Aug 2 01:30:03 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtktextview.[hc]:
* gtk/gtkentry.[hc]: Add a new binding signal ::backspace,
bind it to the backspace key, and make it pay attention
to the Pango backspace_deletes_character
attribute. (#119891, Noah Levitt, patch by Theppitak
Karoonboonyanan)
Mon Aug 2 01:02:57 2004 Matthias Clasen <maclas@gmx.de>
* gdk/x11/gdkevents-x11.c (gdk_check_wm_state_changed):

9
ChangeLog.pre-2-6
View File

@ -1,3 +1,12 @@
Mon Aug 2 01:30:03 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtktextview.[hc]:
* gtk/gtkentry.[hc]: Add a new binding signal ::backspace,
bind it to the backspace key, and make it pay attention
to the Pango backspace_deletes_character
attribute. (#119891, Noah Levitt, patch by Theppitak
Karoonboonyanan)
Mon Aug 2 01:02:57 2004 Matthias Clasen <maclas@gmx.de>
* gdk/x11/gdkevents-x11.c (gdk_check_wm_state_changed):

9
ChangeLog.pre-2-8
View File

@ -1,3 +1,12 @@
Mon Aug 2 01:30:03 2004 Matthias Clasen <maclas@gmx.de>
* gtk/gtktextview.[hc]:
* gtk/gtkentry.[hc]: Add a new binding signal ::backspace,
bind it to the backspace key, and make it pay attention
to the Pango backspace_deletes_character
attribute. (#119891, Noah Levitt, patch by Theppitak
Karoonboonyanan)
Mon Aug 2 01:02:57 2004 Matthias Clasen <maclas@gmx.de>
* gdk/x11/gdkevents-x11.c (gdk_check_wm_state_changed):

86
gtk/gtkentry.c
View File

@ -82,6 +82,7 @@ enum {
MOVE_CURSOR,
INSERT_AT_CURSOR,
DELETE_FROM_CURSOR,
BACKSPACE,
CUT_CLIPBOARD,
COPY_CLIPBOARD,
PASTE_CLIPBOARD,
@ -237,6 +238,7 @@ static void gtk_entry_insert_at_cursor (GtkEntry *entry,
static void gtk_entry_delete_from_cursor (GtkEntry *entry,
GtkDeleteType type,
gint count);
static void gtk_entry_backspace (GtkEntry *entry);
static void gtk_entry_cut_clipboard (GtkEntry *entry);
static void gtk_entry_copy_clipboard (GtkEntry *entry);
static void gtk_entry_paste_clipboard (GtkEntry *entry);
@ -469,6 +471,7 @@ gtk_entry_class_init (GtkEntryClass *class)
class->move_cursor = gtk_entry_move_cursor;
class->insert_at_cursor = gtk_entry_insert_at_cursor;
class->delete_from_cursor = gtk_entry_delete_from_cursor;
class->backspace = gtk_entry_backspace;
class->cut_clipboard = gtk_entry_cut_clipboard;
class->copy_clipboard = gtk_entry_copy_clipboard;
class->paste_clipboard = gtk_entry_paste_clipboard;
@ -644,6 +647,15 @@ gtk_entry_class_init (GtkEntryClass *class)
GTK_TYPE_DELETE_TYPE,
G_TYPE_INT);
signals[BACKSPACE] =
g_signal_new ("backspace",
G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkEntryClass, backspace),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[CUT_CLIPBOARD] =
g_signal_new ("cut_clipboard",
G_OBJECT_CLASS_TYPE (gobject_class),
@ -768,15 +780,11 @@ gtk_entry_class_init (GtkEntryClass *class)
G_TYPE_INT, 1);
gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0,
"delete_from_cursor", 2,
G_TYPE_ENUM, GTK_DELETE_CHARS,
G_TYPE_INT, -1);
"backspace", 0);
/* Make this do the same as Backspace, to help with mis-typing */
gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, GDK_SHIFT_MASK,
"delete_from_cursor", 2,
G_TYPE_ENUM, GTK_DELETE_CHARS,
G_TYPE_INT, -1);
"backspace", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Delete, GDK_CONTROL_MASK,
"delete_from_cursor", 2,
@ -2421,6 +2429,72 @@ gtk_entry_delete_from_cursor (GtkEntry *entry,
gtk_entry_pend_cursor_blink (entry);
}
static void
gtk_entry_backspace (GtkEntry *entry)
{
GtkEditable *editable = GTK_EDITABLE (entry);
gint prev_pos;
gtk_entry_reset_im_context (entry);
if (!entry->editable || !entry->visible || !entry->text)
return;
if (entry->selection_bound != entry->current_pos)
{
gtk_editable_delete_selection (editable);
return;
}
prev_pos = gtk_entry_move_logically(entry, entry->current_pos, -1);
if (prev_pos < entry->current_pos)
{
PangoLayout *layout = gtk_entry_ensure_layout (entry, FALSE);
PangoLogAttr *log_attrs;
gint n_attrs;
pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
if (log_attrs[prev_pos].backspace_deletes_character)
{
gchar *cluster_text;
gchar *normalized_text;
glong len;
cluster_text = gtk_editable_get_chars (editable,
prev_pos,
entry->current_pos);
normalized_text = g_utf8_normalize (cluster_text,
strlen (cluster_text),
G_NORMALIZE_NFD);
len = g_utf8_strlen (normalized_text, -1);
gtk_editable_delete_text (editable, prev_pos, entry->current_pos);
if (len > 1)
{
gint pos = entry->current_pos;
gtk_editable_insert_text (editable, normalized_text,
g_utf8_offset_to_pointer (normalized_text, len - 1) - normalized_text,
&pos);
gtk_editable_set_position (editable, pos);
}
g_free (normalized_text);
g_free (cluster_text);
}
else
{
gtk_editable_delete_text (editable, prev_pos, entry->current_pos);
}
g_free (log_attrs);
}
gtk_entry_pend_cursor_blink (entry);
}
static void
gtk_entry_copy_clipboard (GtkEntry *entry)
{

2
gtk/gtkentry.h
View File

@ -137,6 +137,7 @@ struct _GtkEntryClass
void (* delete_from_cursor) (GtkEntry *entry,
GtkDeleteType type,
gint count);
void (* backspace) (GtkEntry *entry);
void (* cut_clipboard) (GtkEntry *entry);
void (* copy_clipboard) (GtkEntry *entry);
void (* paste_clipboard) (GtkEntry *entry);
@ -146,7 +147,6 @@ struct _GtkEntryClass
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
GType gtk_entry_get_type (void) G_GNUC_CONST;

77
gtk/gtktextview.c
View File

@ -116,6 +116,7 @@ enum
SET_ANCHOR,
INSERT_AT_CURSOR,
DELETE_FROM_CURSOR,
BACKSPACE,
CUT_CLIPBOARD,
COPY_CLIPBOARD,
PASTE_CLIPBOARD,
@ -260,6 +261,7 @@ static void gtk_text_view_insert_at_cursor (GtkTextView *text_view,
static void gtk_text_view_delete_from_cursor (GtkTextView *text_view,
GtkDeleteType type,
gint count);
static void gtk_text_view_backspace (GtkTextView *text_view);
static void gtk_text_view_cut_clipboard (GtkTextView *text_view);
static void gtk_text_view_copy_clipboard (GtkTextView *text_view);
static void gtk_text_view_paste_clipboard (GtkTextView *text_view);
@ -526,6 +528,7 @@ gtk_text_view_class_init (GtkTextViewClass *klass)
klass->set_anchor = gtk_text_view_set_anchor;
klass->insert_at_cursor = gtk_text_view_insert_at_cursor;
klass->delete_from_cursor = gtk_text_view_delete_from_cursor;
klass->backspace = gtk_text_view_backspace;
klass->cut_clipboard = gtk_text_view_cut_clipboard;
klass->copy_clipboard = gtk_text_view_copy_clipboard;
klass->paste_clipboard = gtk_text_view_paste_clipboard;
@ -756,6 +759,15 @@ gtk_text_view_class_init (GtkTextViewClass *klass)
GTK_TYPE_DELETE_TYPE,
G_TYPE_INT);
signals[BACKSPACE] =
g_signal_new ("backspace",
G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkTextViewClass, backspace),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[CUT_CLIPBOARD] =
g_signal_new ("cut_clipboard",
G_OBJECT_CLASS_TYPE (gobject_class),
@ -964,15 +976,11 @@ gtk_text_view_class_init (GtkTextViewClass *klass)
G_TYPE_INT, 1);
gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0,
"delete_from_cursor", 2,
G_TYPE_ENUM, GTK_DELETE_CHARS,
G_TYPE_INT, -1);
"backspace", 0);
/* Make this do the same as Backspace, to help with mis-typing */
gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, GDK_SHIFT_MASK,
"delete_from_cursor", 2,
G_TYPE_ENUM, GTK_DELETE_CHARS,
G_TYPE_INT, -1);
"backspace", 0);
gtk_binding_entry_add_signal (binding_set, GDK_Delete, GDK_CONTROL_MASK,
"delete_from_cursor", 2,
@ -5134,6 +5142,63 @@ gtk_text_view_delete_from_cursor (GtkTextView *text_view,
}
}
static void
gtk_text_view_backspace (GtkTextView *text_view)
{
GtkTextIter insert;
GtkTextIter start;
GtkTextIter end;
gtk_text_view_reset_im_context (text_view);
/* Backspace deletes the selection, if one exists */
if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
text_view->editable))
return;
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
&insert,
gtk_text_buffer_get_mark (get_buffer (text_view),
"insert"));
start = insert;
end = insert;
gtk_text_iter_backward_cursor_position (&end);
if (!gtk_text_iter_equal (&start, &end))
{
gchar *cluster_text = gtk_text_iter_get_text (&start, &end);
gtk_text_buffer_begin_user_action (get_buffer (text_view));
if (gtk_text_buffer_delete_interactive (get_buffer (text_view), &start, &end,
text_view->editable))
{
gchar *normalized_text = g_utf8_normalize (cluster_text,
strlen (cluster_text),
G_NORMALIZE_NFD);
glong len = g_utf8_strlen (normalized_text, -1);
if (len > 1)
gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view),
normalized_text,
g_utf8_offset_to_pointer (normalized_text, len - 1) - normalized_text,
text_view->editable);
g_free (normalized_text);
}
gtk_text_buffer_end_user_action (get_buffer (text_view));
g_free (cluster_text);
DV(g_print (G_STRLOC": scrolling onscreen\n"));
gtk_text_view_scroll_mark_onscreen (text_view,
gtk_text_buffer_get_mark (get_buffer (text_view), "insert"));
}
}
static void
gtk_text_view_cut_clipboard (GtkTextView *text_view)
{

2
gtk/gtktextview.h
View File

@ -189,6 +189,7 @@ struct _GtkTextViewClass
void (* delete_from_cursor) (GtkTextView *text_view,
GtkDeleteType type,
gint count);
void (* backspace) (GtkTextView *text_view);
/* cut copy paste */
void (* cut_clipboard) (GtkTextView *text_view);
@ -210,7 +211,6 @@ struct _GtkTextViewClass
void (*_gtk_reserved5) (void);
void (*_gtk_reserved6) (void);
void (*_gtk_reserved7) (void);
void (*_gtk_reserved8) (void);
};
GType gtk_text_view_get_type (void) G_GNUC_CONST;