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Make logical motion and deletion by graphemes, not by characters.

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Thu May 17 17:10:13 2001  Owen Taylor  <otaylor@redhat.com>

	* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
	not by characters.

	* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
	are not zero or one; that is, when graphemes of multiple characters
	are involved.

	* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
	FIXME.
This commit is contained in:
Owen Taylor
2001-05-17 21:13:12 +00:00
committed by Owen Taylor
parent 6b2fe1a343
commit 69ef340389
9 changed files with 139 additions and 18 deletions
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13
ChangeLog
View File

@@ -1,3 +1,15 @@
Thu May 17 17:10:13 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
not by characters.
* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
are not zero or one; that is, when graphemes of multiple characters
are involved.
* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
FIXME.
2001-05-17 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkbbox.c:
@@ -168,7 +180,6 @@ Fri May 11 01:05:00 2001 Tim Janik <timj@gtk.org>
* gdk/linux-fb/gdkwindow-fb.c (_gdk_windowing_window_clear_area):
Handle background pixmaps.
>>>>>>> 1.1955
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New

13
ChangeLog.pre-2-0
View File

@@ -1,3 +1,15 @@
Thu May 17 17:10:13 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
not by characters.
* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
are not zero or one; that is, when graphemes of multiple characters
are involved.
* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
FIXME.
2001-05-17 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkbbox.c:
@@ -168,7 +180,6 @@ Fri May 11 01:05:00 2001 Tim Janik <timj@gtk.org>
* gdk/linux-fb/gdkwindow-fb.c (_gdk_windowing_window_clear_area):
Handle background pixmaps.
>>>>>>> 1.1955
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New

13
ChangeLog.pre-2-10
View File

@@ -1,3 +1,15 @@
Thu May 17 17:10:13 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
not by characters.
* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
are not zero or one; that is, when graphemes of multiple characters
are involved.
* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
FIXME.
2001-05-17 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkbbox.c:
@@ -168,7 +180,6 @@ Fri May 11 01:05:00 2001 Tim Janik <timj@gtk.org>
* gdk/linux-fb/gdkwindow-fb.c (_gdk_windowing_window_clear_area):
Handle background pixmaps.
>>>>>>> 1.1955
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New

13
ChangeLog.pre-2-2
View File

@@ -1,3 +1,15 @@
Thu May 17 17:10:13 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
not by characters.
* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
are not zero or one; that is, when graphemes of multiple characters
are involved.
* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
FIXME.
2001-05-17 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkbbox.c:
@@ -168,7 +180,6 @@ Fri May 11 01:05:00 2001 Tim Janik <timj@gtk.org>
* gdk/linux-fb/gdkwindow-fb.c (_gdk_windowing_window_clear_area):
Handle background pixmaps.
>>>>>>> 1.1955
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New

13
ChangeLog.pre-2-4
View File

@@ -1,3 +1,15 @@
Thu May 17 17:10:13 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
not by characters.
* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
are not zero or one; that is, when graphemes of multiple characters
are involved.
* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
FIXME.
2001-05-17 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkbbox.c:
@@ -168,7 +180,6 @@ Fri May 11 01:05:00 2001 Tim Janik <timj@gtk.org>
* gdk/linux-fb/gdkwindow-fb.c (_gdk_windowing_window_clear_area):
Handle background pixmaps.
>>>>>>> 1.1955
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New

13
ChangeLog.pre-2-6
View File

@@ -1,3 +1,15 @@
Thu May 17 17:10:13 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
not by characters.
* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
are not zero or one; that is, when graphemes of multiple characters
are involved.
* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
FIXME.
2001-05-17 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkbbox.c:
@@ -168,7 +180,6 @@ Fri May 11 01:05:00 2001 Tim Janik <timj@gtk.org>
* gdk/linux-fb/gdkwindow-fb.c (_gdk_windowing_window_clear_area):
Handle background pixmaps.
>>>>>>> 1.1955
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New

13
ChangeLog.pre-2-8
View File

@@ -1,3 +1,15 @@
Thu May 17 17:10:13 2001 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c: Make logical motion and deletion by graphemes,
not by characters.
* gtk/gtkentry.c: Handle "trailing" returns from Pango when they
are not zero or one; that is, when graphemes of multiple characters
are involved.
* gtk/gtktextlayout.c (line_display_index_to_iter): Remove unnecessary
FIXME.
2001-05-17 Alexander Larsson <alla@lysator.liu.se>
* gtk/gtkbbox.c:
@@ -168,7 +180,6 @@ Fri May 11 01:05:00 2001 Tim Janik <timj@gtk.org>
* gdk/linux-fb/gdkwindow-fb.c (_gdk_windowing_window_clear_area):
Handle background pixmaps.
>>>>>>> 1.1955
Wed May 9 15:27:22 2001 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (gtk_tree_view_set_column_drag_function): New

65
gtk/gtkentry.c
View File

@@ -237,6 +237,9 @@ static void gtk_entry_adjust_scroll (GtkEntry *entry);
static gint gtk_entry_move_visually (GtkEntry *editable,
gint start,
gint count);
static gint gtk_entry_move_logically (GtkEntry *entry,
gint start,
gint count);
static gint gtk_entry_move_forward_word (GtkEntry *entry,
gint start);
static gint gtk_entry_move_backward_word (GtkEntry *entry,
@@ -252,8 +255,8 @@ static void gtk_entry_paste (GtkEntry *entry,
static void gtk_entry_update_primary_selection (GtkEntry *entry);
static void gtk_entry_do_popup (GtkEntry *entry,
GdkEventButton *event);
static gboolean gtk_entry_mnemonic_activate (GtkWidget *widget,
gboolean group_cycling);
static gboolean gtk_entry_mnemonic_activate (GtkWidget *widget,
gboolean group_cycling);
static GtkWidgetClass *parent_class = NULL;
@@ -1847,7 +1850,7 @@ gtk_entry_move_cursor (GtkEntry *entry,
switch (step)
{
case GTK_MOVEMENT_LOGICAL_POSITIONS:
new_pos = CLAMP (new_pos + count, 0, entry->text_length);
new_pos = gtk_entry_move_logically (entry, new_pos, count);
break;
case GTK_MOVEMENT_VISUAL_POSITIONS:
new_pos = gtk_entry_move_visually (entry, new_pos, count);
@@ -1917,7 +1920,7 @@ gtk_entry_delete_from_cursor (GtkEntry *entry,
switch (type)
{
case GTK_DELETE_CHARS:
end_pos = entry->current_pos + count;
end_pos = gtk_entry_move_logically (entry, entry->current_pos, count);
gtk_editable_delete_text (editable, MIN (start_pos, end_pos), MAX (start_pos, end_pos));
break;
case GTK_DELETE_WORDS:
@@ -2466,9 +2469,7 @@ gtk_entry_find_position (GtkEntry *entry,
}
pos = g_utf8_pointer_to_offset (entry->text, entry->text + index);
if (trailing)
pos += 1;
pos += trailing;
return pos;
}
@@ -2622,11 +2623,11 @@ gtk_entry_move_visually (GtkEntry *entry,
if (new_index < 0 || new_index == G_MAXINT)
break;
index = new_index;
if (new_trailing)
while (new_trailing--)
index = g_utf8_next_char (entry->text + new_index) - entry->text;
else
index = new_index;
}
g_object_unref (G_OBJECT (layout));
@@ -2634,6 +2635,50 @@ gtk_entry_move_visually (GtkEntry *entry,
return g_utf8_pointer_to_offset (text, text + index);
}
static gint
gtk_entry_move_logically (GtkEntry *entry,
gint start,
gint count)
{
gint new_pos = start;
/* Prevent any leak of information */
if (!entry->visible)
{
new_pos = CLAMP (start + count, 0, entry->text_length);
}
else if (entry->text)
{
PangoLayout *layout = gtk_entry_get_layout (entry, FALSE);
PangoLogAttr *log_attrs;
gint n_attrs;
pango_layout_get_log_attrs (layout, &log_attrs, &n_attrs);
while (count > 0 && new_pos < entry->text_length)
{
do
new_pos++;
while (new_pos < entry->text_length && !log_attrs[new_pos].is_cursor_position);
count--;
}
while (count < 0 && new_pos > 0)
{
do
new_pos--;
while (new_pos > 0 && !log_attrs[new_pos].is_cursor_position);
count++;
}
g_free (log_attrs);
g_object_unref (G_OBJECT (layout));
}
return new_pos;
}
static gint
gtk_entry_move_forward_word (GtkEntry *entry,
gint start)

1
gtk/gtktextlayout.c
View File

@@ -1982,7 +1982,6 @@ line_display_index_to_iter (GtkTextLayout *layout,
gtk_text_iter_forward_to_line_end (iter);
}
/* FIXME should this be cursor positions? */
gtk_text_iter_forward_chars (iter, trailing);
}