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Merge branch 'wip/chergert/refcount-line-display' into 'master'

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make GtkTextLineDisplay ref counted

See merge request GNOME/gtk!1010
This commit is contained in:
Matthias Clasen 2019-07-23 22:44:59 +00:00
commit 5b94e3c2f2
2 changed files with 46 additions and 51 deletions
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95
gtk/gtktextlayout.c
View File

@ -197,12 +197,7 @@ gtk_text_layout_dispose (GObject *object)
g_clear_object (&layout->ltr_context);
g_clear_object (&layout->rtl_context);
if (layout->one_display_cache)
{
GtkTextLineDisplay *tmp_display = layout->one_display_cache;
layout->one_display_cache = NULL;
gtk_text_layout_free_line_display (layout, tmp_display);
}
g_clear_pointer (&layout->one_display_cache, gtk_text_line_display_unref);
if (layout->preedit_attrs != NULL)
{
@ -826,20 +821,17 @@ gtk_text_layout_invalidate_cache (GtkTextLayout *layout,
{
if (layout->one_display_cache && line == layout->one_display_cache->line)
{
GtkTextLineDisplay *display = layout->one_display_cache;
if (cursors_only)
{
if (display->cursors)
g_array_free (display->cursors, TRUE);
display->cursors = NULL;
GtkTextLineDisplay *display = layout->one_display_cache;
g_clear_pointer (&display->cursors, g_array_unref);
display->cursors_invalid = TRUE;
display->has_block_cursor = FALSE;
}
else
{
layout->one_display_cache = NULL;
gtk_text_layout_free_line_display (layout, display);
g_clear_pointer (&layout->one_display_cache, gtk_text_line_display_unref);
}
}
}
@ -1190,7 +1182,7 @@ gtk_text_layout_real_wrap (GtkTextLayout *layout,
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);
gtk_text_line_display_unref (display);
return line_data;
}
@ -2287,19 +2279,17 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
{
if (!size_only)
update_text_display_cursors (layout, line, layout->one_display_cache);
return layout->one_display_cache;
return gtk_text_line_display_ref (layout->one_display_cache);
}
else
{
GtkTextLineDisplay *tmp_display = layout->one_display_cache;
layout->one_display_cache = NULL;
gtk_text_layout_free_line_display (layout, tmp_display);
g_clear_pointer (&layout->one_display_cache, gtk_text_line_display_unref);
}
}
DV (g_print ("creating one line display cache (%s)\n", G_STRLOC));
display = g_slice_new0 (GtkTextLineDisplay);
display = g_rc_box_new0 (GtkTextLineDisplay);
display->size_only = size_only;
display->line = line;
@ -2619,7 +2609,9 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
if (tags != NULL)
g_ptr_array_free (tags, TRUE);
layout->one_display_cache = display;
g_assert (layout->one_display_cache == NULL);
layout->one_display_cache = gtk_text_line_display_ref (display);
if (saw_widget)
allocate_child_widgets (layout, display);
@ -2627,20 +2619,23 @@ gtk_text_layout_get_line_display (GtkTextLayout *layout,
return display;
}
void
gtk_text_layout_free_line_display (GtkTextLayout *layout,
GtkTextLineDisplay *display)
static void
gtk_text_line_display_finalize (GtkTextLineDisplay *display)
{
if (display != layout->one_display_cache)
{
if (display->layout)
g_object_unref (display->layout);
if (display->cursors)
g_array_free (display->cursors, TRUE);
g_slice_free (GtkTextLineDisplay, display);
g_clear_object (&display->layout);
g_clear_pointer (&display->cursors, g_array_unref);
}
GtkTextLineDisplay *
gtk_text_line_display_ref (GtkTextLineDisplay *display)
{
return g_rc_box_acquire (display);
}
void
gtk_text_line_display_unref (GtkTextLineDisplay *display)
{
g_rc_box_release_full (display, (GDestroyNotify)gtk_text_line_display_finalize);
}
/* Functions to convert iter <=> index for the line of a GtkTextLineDisplay
@ -2816,7 +2811,7 @@ gtk_text_layout_get_iter_at_position (GtkTextLayout *layout,
line_display_index_to_iter (layout, display, target_iter, byte_index, 0);
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
return inside;
}
@ -2889,7 +2884,7 @@ gtk_text_layout_get_cursor_locations (GtkTextLayout *layout,
weak_pos->height = pango_weak_pos.height / PANGO_SCALE;
}
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
}
/**
@ -2948,7 +2943,8 @@ _gtk_text_layout_get_block_cursor (GtkTextLayout *layout,
pos->y += line_top + display->top_margin;
}
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
return block;
}
@ -3024,7 +3020,7 @@ gtk_text_layout_get_iter_location (GtkTextLayout *layout,
rect->width = PANGO_PIXELS (pango_rect.width);
rect->height = PANGO_PIXELS (pango_rect.height);
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
}
/* FFIXX */
@ -3085,7 +3081,7 @@ find_display_line_below (GtkTextLayout *layout,
pango_layout_iter_free (layout_iter);
line_top += display->bottom_margin;
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
next = _gtk_text_line_next_excluding_last (line);
if (!next)
@ -3156,7 +3152,7 @@ find_display_line_above (GtkTextLayout *layout,
pango_layout_iter_free (layout_iter);
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
line = _gtk_text_line_previous (line);
}
@ -3260,7 +3256,7 @@ gtk_text_layout_move_iter_to_previous_line (GtkTextLayout *layout,
goto out;
}
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
line = prev_line;
display = gtk_text_layout_get_line_display (layout, prev_line, FALSE);
@ -3287,7 +3283,7 @@ gtk_text_layout_move_iter_to_previous_line (GtkTextLayout *layout,
while (prev_line)
{
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
display = gtk_text_layout_get_line_display (layout, prev_line, FALSE);
@ -3327,7 +3323,7 @@ gtk_text_layout_move_iter_to_previous_line (GtkTextLayout *layout,
out:
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
return
!gtk_text_iter_equal (iter, &orig) &&
@ -3398,7 +3394,7 @@ gtk_text_layout_move_iter_to_next_line (GtkTextLayout *layout,
next:
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
line = _gtk_text_line_next_excluding_last (line);
}
@ -3464,7 +3460,7 @@ gtk_text_layout_move_iter_to_line_end (GtkTextLayout *layout,
tmp_list = tmp_list->next;
}
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
return
!gtk_text_iter_equal (iter, &orig) &&
@ -3506,7 +3502,7 @@ gtk_text_layout_iter_starts_line (GtkTextLayout *layout,
/* We're located on this line or the para delimiters before
* it
*/
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
if (line_byte == layout_line->start_index)
return TRUE;
@ -3587,7 +3583,7 @@ gtk_text_layout_move_iter_to_x (GtkTextLayout *layout,
pango_layout_iter_free (layout_iter);
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
}
/**
@ -3682,7 +3678,7 @@ gtk_text_layout_move_iter_visually (GtkTextLayout *layout,
}
while (totally_invisible_line (layout, line, &lineiter));
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
display = gtk_text_layout_get_line_display (layout, line, FALSE);
gtk_text_iter_forward_to_line_end (&lineiter);
new_index = gtk_text_iter_get_visible_line_index (&lineiter);
@ -3697,7 +3693,7 @@ gtk_text_layout_move_iter_visually (GtkTextLayout *layout,
}
while (totally_invisible_line (layout, line, &lineiter));
gtk_text_layout_free_line_display (layout, display);
gtk_text_line_display_unref (display);
display = gtk_text_layout_get_line_display (layout, line, FALSE);
new_index = 0;
}
@ -3707,8 +3703,7 @@ gtk_text_layout_move_iter_visually (GtkTextLayout *layout,
gtk_text_iter_backward_char (iter);
}
if (display)
gtk_text_layout_free_line_display (layout, display);
g_clear_pointer (&display, gtk_text_line_display_unref);
done:
@ -4115,7 +4110,7 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
offset_y += line_display->height;
gtk_text_layout_free_line_display (layout, line_display);
gtk_text_line_display_unref (line_display);
tmp_list = tmp_list->next;
}

4
gtk/gtktextlayoutprivate.h
View File

@ -298,8 +298,8 @@ void gtk_text_layout_wrap_loop_end (GtkTextLayout *layout);
GtkTextLineDisplay* gtk_text_layout_get_line_display (GtkTextLayout *layout,
GtkTextLine *line,
gboolean size_only);
void gtk_text_layout_free_line_display (GtkTextLayout *layout,
GtkTextLineDisplay *display);
GtkTextLineDisplay *gtk_text_line_display_ref (GtkTextLineDisplay *display);
void gtk_text_line_display_unref (GtkTextLineDisplay *display);
void gtk_text_layout_get_line_at_y (GtkTextLayout *layout,
GtkTextIter *target_iter,