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do right thing in one-character lines and at paragraph end (#448313).

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2007-06-28  Yevgen Muntyan  <muntyan@tamu.edu>

	* gtk/gtktextutil.c (_gtk_text_util_get_block_cursor_location):
	do right thing in one-character lines and at paragraph end (#448313).

	* configure.in: require pango-1.17.3 to get fixed pango_layout_index_to_line_x()
	(pango #448342).


svn path=/trunk/; revision=18273
This commit is contained in:
Yevgen Muntyan 2007-06-28 06:30:21 +00:00 committed by Yevgen Muntyan
parent 60782920e2
commit 55ac5cd7d9
3 changed files with 35 additions and 28 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2007-06-28 Yevgen Muntyan <muntyan@tamu.edu>
* gtk/gtktextutil.c (_gtk_text_util_get_block_cursor_location):
do right thing in one-character lines and at paragraph end (#448313).
* configure.in: require pango-1.17.3 to get fixed pango_layout_index_to_line_x()
(pango #448342).
2007-06-27 Johan Dahlin <jdahlin@async.com.br>
* gtk/gtkbuilderparser.c (parse_property): Use

2
configure.in
View File

@ -32,7 +32,7 @@ m4_define([gtk_binary_version], [2.10.0])
# required versions of other packages
m4_define([glib_required_version], [2.13.5])
m4_define([pango_required_version], [1.15.3])
m4_define([pango_required_version], [1.17.3])
m4_define([atk_required_version], [1.9.0])
m4_define([cairo_required_version], [1.2.0])

53
gtk/gtktextutil.c
View File

@ -387,7 +387,9 @@ layout_get_char_width (PangoLayout *layout)
* _gtk_text_util_get_block_cursor_location
* @layout: a #PangoLayout
* @index: index at which cursor is located
* @rect: cursor location
* @pos: cursor location
* @at_line_end: whether cursor i sdrawn at line end, not over some
* character
*
* Returns: whether cursor should actually be drawn as a rectangle.
* It may not be the case if character at index is invisible.
@ -402,6 +404,7 @@ _gtk_text_util_get_block_cursor_location (PangoLayout *layout,
PangoLayoutLine *layout_line;
gboolean rtl;
gint line_no;
const gchar *text;
g_return_val_if_fail (layout != NULL, FALSE);
g_return_val_if_fail (index >= 0, FALSE);
@ -423,23 +426,23 @@ _gtk_text_util_get_block_cursor_location (PangoLayout *layout,
}
pango_layout_index_to_line_x (layout, index, FALSE, &line_no, NULL);
g_return_val_if_fail (line_no >= 0, FALSE);
layout_line = pango_layout_get_line_readonly (layout, line_no);
/* end of layout, get last line */
if (!layout_line)
{
line_no -= 1;
layout_line = pango_layout_get_line_readonly (layout, line_no);
}
g_return_val_if_fail (layout_line != NULL, FALSE);
text = pango_layout_get_text (layout);
if (index < layout_line->start_index + layout_line->length)
{
/* cursor points to some zero-width character, do not
* bother with block cursor */
return FALSE;
/* this may be a zero-width character in the middle of the line,
* or it could be a character where line is wrapped, we do want
* block cursor in latter case */
if (g_utf8_next_char (text + index) - text !=
layout_line->start_index + layout_line->length)
{
/* zero-width character in the middle of the line, do not
* bother with block cursor */
return FALSE;
}
}
/* Cursor is at the line end. It may be an empty line, or it could
@ -459,23 +462,19 @@ _gtk_text_util_get_block_cursor_location (PangoLayout *layout,
* pixel of the layout line, so we need to correct it for RTL text. */
if (layout_line->length)
{
gint left, right;
const gchar *text;
const gchar *p;
text = pango_layout_get_text (layout);
p = g_utf8_prev_char (text + index);
pango_layout_line_index_to_x (layout_line, p - text, FALSE, &left);
pango_layout_line_index_to_x (layout_line, p - text, TRUE, &right);
if (MIN (left, right) <= 0)
if (layout_line->resolved_dir == PANGO_DIRECTION_RTL)
{
/* last character is on the left, RTL */
PangoLayoutIter *iter;
PangoRectangle line_rect;
gint i;
gint left, right;
const gchar *p;
p = g_utf8_prev_char (text + index);
pango_layout_line_index_to_x (layout_line, p - text, FALSE, &left);
pango_layout_line_index_to_x (layout_line, p - text, TRUE, &right);
pos->x = MIN (left, right);
iter = pango_layout_get_iter (layout);
for (i = 0; i < line_no; i++)
@ -484,7 +483,7 @@ _gtk_text_util_get_block_cursor_location (PangoLayout *layout,
pango_layout_iter_free (iter);
rtl = TRUE;
pos->x = MIN (left, right) + line_rect.x;
pos->x += line_rect.x;
}
else
rtl = FALSE;