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[text] scroll to the cursor position if it is outside the allocation

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Adjust the text offset to keep the cursor within the allocation. This means
the text will scroll per character
This commit is contained in:
Thomas Wood 2009-05-14 13:31:51 +01:00
parent cf6c2d9721
commit a3a5fe5594
1 changed files with 13 additions and 9 deletions
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22
clutter/clutter-text.c
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@ -1368,7 +1368,7 @@ clutter_text_paint (ClutterActor *self)
if (actor_width < text_width)
{
gint cursor_x = priv->cursor_pos.x;
gint cursor_x = priv->cursor_pos.x - alloc.x1;
if (priv->position == -1)
{
@ -1380,16 +1380,19 @@ clutter_text_paint (ClutterActor *self)
}
else
{
if (text_x <= 0)
if (cursor_x < 0)
{
gint diff = -1 * text_x;
if (cursor_x < diff)
text_x += diff - cursor_x;
else if (cursor_x > (diff + actor_width))
text_x -= cursor_x - (diff - actor_width);
text_x = text_x - cursor_x - TEXT_PADDING;
}
else if (cursor_x > actor_width)
{
text_x = text_x + (actor_width - cursor_x) - TEXT_PADDING;
}
}
/* Update the absolute cursor position as it may have moved due to
* scrolling */
clutter_text_ensure_cursor_position (text);
}
else
{
@ -1399,6 +1402,8 @@ clutter_text_paint (ClutterActor *self)
else
text_x = 0;
priv->text_x = text_x;
cursor_paint (text);
real_opacity = clutter_actor_get_paint_opacity (self)
@ -1417,7 +1422,6 @@ clutter_text_paint (ClutterActor *self)
if (clip_set)
cogl_clip_pop ();
priv->text_x = text_x;
}
static void