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byte_offset variable was being used to mean both "offset into layout" and

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2001-01-19  Havoc Pennington  <hp@redhat.com>

	* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
	byte_offset variable was being used to mean both "offset into
	layout" and "offset into buffer line" which was no longer true
	with addition of preedit string; fix
This commit is contained in:
Havoc Pennington 2001-01-19 23:00:38 +00:00 committed by Havoc Pennington
parent e248e4e79e
commit ddedf10d15
8 changed files with 81 additions and 30 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
2001-01-19 Havoc Pennington <hp@redhat.com>
* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
byte_offset variable was being used to mean both "offset into
layout" and "offset into buffer line" which was no longer true
with addition of preedit string; fix
2001-01-19 Havoc Pennington <hp@redhat.com>
* demos/gtk-demo/main.c (button_press_event_cb): sync to tree changes

7
ChangeLog.pre-2-0
View File

@ -1,3 +1,10 @@
2001-01-19 Havoc Pennington <hp@redhat.com>
* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
byte_offset variable was being used to mean both "offset into
layout" and "offset into buffer line" which was no longer true
with addition of preedit string; fix
2001-01-19 Havoc Pennington <hp@redhat.com>
* demos/gtk-demo/main.c (button_press_event_cb): sync to tree changes

7
ChangeLog.pre-2-10
View File

@ -1,3 +1,10 @@
2001-01-19 Havoc Pennington <hp@redhat.com>
* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
byte_offset variable was being used to mean both "offset into
layout" and "offset into buffer line" which was no longer true
with addition of preedit string; fix
2001-01-19 Havoc Pennington <hp@redhat.com>
* demos/gtk-demo/main.c (button_press_event_cb): sync to tree changes

7
ChangeLog.pre-2-2
View File

@ -1,3 +1,10 @@
2001-01-19 Havoc Pennington <hp@redhat.com>
* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
byte_offset variable was being used to mean both "offset into
layout" and "offset into buffer line" which was no longer true
with addition of preedit string; fix
2001-01-19 Havoc Pennington <hp@redhat.com>
* demos/gtk-demo/main.c (button_press_event_cb): sync to tree changes

7
ChangeLog.pre-2-4
View File

@ -1,3 +1,10 @@
2001-01-19 Havoc Pennington <hp@redhat.com>
* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
byte_offset variable was being used to mean both "offset into
layout" and "offset into buffer line" which was no longer true
with addition of preedit string; fix
2001-01-19 Havoc Pennington <hp@redhat.com>
* demos/gtk-demo/main.c (button_press_event_cb): sync to tree changes

7
ChangeLog.pre-2-6
View File

@ -1,3 +1,10 @@
2001-01-19 Havoc Pennington <hp@redhat.com>
* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
byte_offset variable was being used to mean both "offset into
layout" and "offset into buffer line" which was no longer true
with addition of preedit string; fix
2001-01-19 Havoc Pennington <hp@redhat.com>
* demos/gtk-demo/main.c (button_press_event_cb): sync to tree changes

7
ChangeLog.pre-2-8
View File

@ -1,3 +1,10 @@
2001-01-19 Havoc Pennington <hp@redhat.com>
* gtk/gtktextlayout.c (gtk_text_layout_get_line_display):
byte_offset variable was being used to mean both "offset into
layout" and "offset into buffer line" which was no longer true
with addition of preedit string; fix
2001-01-19 Havoc Pennington <hp@redhat.com>
* demos/gtk-demo/main.c (button_press_event_cb): sync to tree changes

60
gtk/gtktextlayout.c
View File

@ -1587,7 +1587,7 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
GtkTextAttributes *style;
gchar *text;
PangoAttrList *attrs;
gint byte_count, byte_offset;
gint byte_count, layout_byte_offset, layout_only_bytes;
gdouble align;
PangoRectangle extents;
gboolean para_values_set = FALSE;
@ -1635,7 +1635,8 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
attrs = pango_attr_list_new ();
/* Iterate over segments, creating display chunks for them. */
byte_offset = 0;
layout_byte_offset = 0; /* current length of layout text (includes preedit) */
layout_only_bytes = 0; /* bytes in layout_byte_offset not in buffer */
seg = _gtk_text_iter_get_any_segment (&iter);
while (seg != NULL)
{
@ -1646,7 +1647,7 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
{
_gtk_text_btree_get_iter_at_line (_gtk_text_buffer_get_btree (layout->buffer),
&iter, line,
byte_offset);
layout_byte_offset - layout_only_bytes);
style = get_style (layout, &iter);
/* We have to delay setting the paragraph values until we
@ -1683,8 +1684,8 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
{
if (seg->type == &gtk_text_char_type)
{
memcpy (text + byte_offset, seg->body.chars, seg->byte_count);
byte_offset += seg->byte_count;
memcpy (text + layout_byte_offset, seg->body.chars, seg->byte_count);
layout_byte_offset += seg->byte_count;
bytes += seg->byte_count;
}
else if (seg->type == &gtk_text_right_mark_type ||
@ -1701,7 +1702,7 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
if (seg->body.mark.visible)
{
cursor_byte_offsets = g_slist_prepend (cursor_byte_offsets, GINT_TO_POINTER (byte_offset));
cursor_byte_offsets = g_slist_prepend (cursor_byte_offsets, GINT_TO_POINTER (layout_byte_offset));
cursor_segs = g_slist_prepend (cursor_segs, seg);
}
}
@ -1715,23 +1716,23 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
seg = prev_seg; /* Back up one */
add_generic_attrs (layout, &style->appearance,
bytes,
attrs, byte_offset - bytes,
attrs, layout_byte_offset - bytes,
size_only, TRUE);
add_text_attrs (layout, style, bytes, attrs,
byte_offset - bytes, size_only);
layout_byte_offset - bytes, size_only);
}
else if (seg->type == &gtk_text_pixbuf_type)
{
add_generic_attrs (layout,
&style->appearance,
seg->byte_count,
attrs, byte_offset,
attrs, layout_byte_offset,
size_only, FALSE);
add_pixbuf_attrs (layout, display, style,
seg, attrs, byte_offset);
memcpy (text + byte_offset, gtk_text_unknown_char_utf8,
seg, attrs, layout_byte_offset);
memcpy (text + layout_byte_offset, gtk_text_unknown_char_utf8,
seg->byte_count);
byte_offset += seg->byte_count;
layout_byte_offset += seg->byte_count;
}
else if (seg->type == &gtk_text_child_type)
{
@ -1739,13 +1740,13 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
add_generic_attrs (layout, &style->appearance,
seg->byte_count,
attrs, byte_offset,
attrs, layout_byte_offset,
size_only, FALSE);
add_child_attrs (layout, display, style,
seg, attrs, byte_offset);
memcpy (text + byte_offset, gtk_text_unknown_char_utf8,
seg, attrs, layout_byte_offset);
memcpy (text + layout_byte_offset, gtk_text_unknown_char_utf8,
seg->byte_count);
byte_offset += seg->byte_count;
layout_byte_offset += seg->byte_count;
}
else
{
@ -1776,7 +1777,7 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
if (_gtk_text_btree_mark_is_insert (_gtk_text_buffer_get_btree (layout->buffer),
seg->body.mark.obj))
{
display->insert_index = byte_offset;
display->insert_index = layout_byte_offset;
if (layout->preedit_len > 0)
{
@ -1784,11 +1785,12 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
text = g_realloc (text, byte_count);
style = get_style (layout, &iter);
add_preedit_attrs (layout, style, attrs, byte_offset, size_only);
add_preedit_attrs (layout, style, attrs, layout_byte_offset, size_only);
release_style (layout, style);
memcpy (text + byte_offset, layout->preedit_string, layout->preedit_len);
byte_offset += layout->preedit_len;
memcpy (text + layout_byte_offset, layout->preedit_string, layout->preedit_len);
layout_byte_offset += layout->preedit_len;
layout_only_bytes += layout->preedit_len;
cursor_offset = layout->preedit_cursor - layout->preedit_len;
}
@ -1800,7 +1802,7 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
if (seg->body.mark.visible)
{
cursor_byte_offsets = g_slist_prepend (cursor_byte_offsets,
GINT_TO_POINTER (byte_offset + cursor_offset));
GINT_TO_POINTER (layout_byte_offset + cursor_offset));
cursor_segs = g_slist_prepend (cursor_segs, seg);
}
}
@ -1818,7 +1820,7 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
release_style (layout, style);
}
g_assert (byte_offset == byte_count);
g_assert (layout_byte_offset == byte_count);
/* Pango doesn't want the trailing paragraph delimiters */
@ -1829,24 +1831,24 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
#define PARAGRAPH_SEPARATOR 0x2029
gunichar ch = 0;
if (byte_offset > 0)
if (layout_byte_offset > 0)
{
const char *prev = g_utf8_prev_char (text + byte_offset);
const char *prev = g_utf8_prev_char (text + layout_byte_offset);
ch = g_utf8_get_char (prev);
if (ch == PARAGRAPH_SEPARATOR || ch == '\r' || ch == '\n')
byte_offset = prev - text; /* chop off */
layout_byte_offset = prev - text; /* chop off */
if (ch == '\n' && byte_offset > 0)
if (ch == '\n' && layout_byte_offset > 0)
{
/* Possibly chop a CR as well */
prev = g_utf8_prev_char (text + byte_offset);
prev = g_utf8_prev_char (text + layout_byte_offset);
if (*prev == '\r')
--byte_offset;
--layout_byte_offset;
}
}
}
pango_layout_set_text (display->layout, text, byte_offset);
pango_layout_set_text (display->layout, text, layout_byte_offset);
pango_layout_set_attributes (display->layout, attrs);
tmp_list1 = cursor_byte_offsets;