[gtk+/wip/otte/tokenizer: 1/42] textview: Track differences between ink and logical rects
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/tokenizer: 1/42] textview: Track differences between ink and logical rects
- Date: Sun, 20 Mar 2016 05:01:06 +0000 (UTC)
commit 0c922c6a1a82db2e4ac0a0435eb3023d85a0aab3
Author: Benjamin Otte <otte redhat com>
Date: Wed Mar 16 00:35:45 2016 +0100
textview: Track differences between ink and logical rects
This way, we can ensure that we queue redraws on the full ink rect. This
is particularly visible for squiggly underlines in spell checking.
https://bugzilla.gnome.org/show_bug.cgi?id=763741
gtk/gtktextbtree.c | 10 ++++++++--
gtk/gtktextbtree.h | 2 ++
gtk/gtktextlayout.c | 28 ++++++++++++++++++++++++----
3 files changed, 34 insertions(+), 6 deletions(-)
---
diff --git a/gtk/gtktextbtree.c b/gtk/gtktextbtree.c
index 9e8d838..2c995aa 100644
--- a/gtk/gtktextbtree.c
+++ b/gtk/gtktextbtree.c
@@ -2650,14 +2650,18 @@ redisplay_region (GtkTextBTree *tree,
else
end_y = _gtk_text_btree_find_line_top (tree, end_line, view->view_id);
+ ld = _gtk_text_line_get_data (start_line, view->view_id);
+ if (ld)
+ start_y -= ld->top_ink;
+
ld = _gtk_text_line_get_data (end_line, view->view_id);
if (ld)
- end_y += ld->height;
+ end_y += ld->height + ld->bottom_ink;
if (cursors_only)
gtk_text_layout_cursors_changed (view->layout, start_y,
end_y - start_y,
- end_y - start_y);
+ end_y - start_y);
else
gtk_text_layout_changed (view->layout, start_y,
end_y - start_y,
@@ -3616,6 +3620,8 @@ _gtk_text_line_data_new (GtkTextLayout *layout,
line_data->next = NULL;
line_data->width = 0;
line_data->height = 0;
+ line_data->top_ink = 0;
+ line_data->bottom_ink = 0;
line_data->valid = FALSE;
return line_data;
diff --git a/gtk/gtktextbtree.h b/gtk/gtktextbtree.h
index 0866218..bea4841 100644
--- a/gtk/gtktextbtree.h
+++ b/gtk/gtktextbtree.h
@@ -220,6 +220,8 @@ struct _GtkTextLineData {
gpointer view_id;
GtkTextLineData *next;
gint height;
+ gint top_ink : 16;
+ gint bottom_ink : 16;
signed int width : 24;
guint valid : 8; /* Actually a boolean */
};
diff --git a/gtk/gtktextlayout.c b/gtk/gtktextlayout.c
index 6adcdc5..6829d45 100644
--- a/gtk/gtktextlayout.c
+++ b/gtk/gtktextlayout.c
@@ -1041,23 +1041,31 @@ gtk_text_layout_validate_yrange (GtkTextLayout *layout,
if (!line_data || !line_data->valid)
{
gint old_height, new_height;
+ gint top_ink, bottom_ink;
old_height = line_data ? line_data->height : 0;
+ top_ink = line_data ? line_data->top_ink : 0;
+ bottom_ink = line_data ? line_data->bottom_ink : 0;
_gtk_text_btree_validate_line (_gtk_text_buffer_get_btree (layout->buffer),
line, layout);
line_data = _gtk_text_line_get_data (line, layout);
new_height = line_data ? line_data->height : 0;
+ if (line_data)
+ {
+ top_ink = MAX (top_ink, line_data->top_ink);
+ bottom_ink = MAX (bottom_ink, line_data->bottom_ink);
+ }
delta_height += new_height - old_height;
first_line = line;
- first_line_y = -seen - new_height;
+ first_line_y = -seen - new_height - top_ink;
if (!last_line)
{
last_line = line;
- last_line_y = -seen;
+ last_line_y = -seen + bottom_ink;
}
}
@@ -1074,23 +1082,31 @@ gtk_text_layout_validate_yrange (GtkTextLayout *layout,
if (!line_data || !line_data->valid)
{
gint old_height, new_height;
+ gint top_ink, bottom_ink;
old_height = line_data ? line_data->height : 0;
+ top_ink = line_data ? line_data->top_ink : 0;
+ bottom_ink = line_data ? line_data->bottom_ink : 0;
_gtk_text_btree_validate_line (_gtk_text_buffer_get_btree (layout->buffer),
line, layout);
line_data = _gtk_text_line_get_data (line, layout);
new_height = line_data ? line_data->height : 0;
+ if (line_data)
+ {
+ top_ink = MAX (top_ink, line_data->top_ink);
+ bottom_ink = MAX (bottom_ink, line_data->bottom_ink);
+ }
delta_height += new_height - old_height;
if (!first_line)
{
first_line = line;
- first_line_y = seen;
+ first_line_y = seen - top_ink;
}
last_line = line;
- last_line_y = seen + new_height;
+ last_line_y = seen + new_height + bottom_ink;
}
seen += line_data ? line_data->height : 0;
@@ -1152,6 +1168,7 @@ gtk_text_layout_real_wrap (GtkTextLayout *layout,
GtkTextLineData *line_data)
{
GtkTextLineDisplay *display;
+ PangoRectangle ink_rect, logical_rect;
g_return_val_if_fail (GTK_IS_TEXT_LAYOUT (layout), NULL);
g_return_val_if_fail (line != NULL, NULL);
@@ -1166,6 +1183,9 @@ gtk_text_layout_real_wrap (GtkTextLayout *layout,
line_data->width = display->width;
line_data->height = display->height;
line_data->valid = TRUE;
+ pango_layout_get_pixel_extents (display->layout, &ink_rect, &logical_rect);
+ line_data->top_ink = MAX (0, logical_rect.x - ink_rect.x);
+ line_data->bottom_ink = MAX (0, logical_rect.x + logical_rect.width - ink_rect.x - ink_rect.width);
gtk_text_layout_free_line_display (layout, display);
return line_data;
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]