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Diffstat (limited to 'src/ui/theme.c')
-rw-r--r--src/ui/theme.c43
1 files changed, 40 insertions, 3 deletions
diff --git a/src/ui/theme.c b/src/ui/theme.c
index 7382883d..4385b7c6 100644
--- a/src/ui/theme.c
+++ b/src/ui/theme.c
@@ -3010,6 +3010,8 @@ meta_draw_op_free (MetaDrawOp *op)
meta_draw_spec_free (op->data.title.x);
meta_draw_spec_free (op->data.title.y);
+ if (op->data.title.ellipsize_width)
+ meta_draw_spec_free (op->data.title.ellipsize_width);
break;
case META_DRAW_OP_LIST:
@@ -3875,6 +3877,7 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
if (info->title_layout)
{
int rx, ry;
+ PangoRectangle ink_rect, logical_rect;
meta_color_spec_render (op->data.title.color_spec, style_gtk, &color);
gdk_cairo_set_source_rgba (cr, &color);
@@ -3882,7 +3885,39 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
rx = parse_x_position_unchecked (op->data.title.x, env);
ry = parse_y_position_unchecked (op->data.title.y, env);
- if (rx - env->rect.x + env->title_width >= env->rect.width)
+ if (op->data.title.ellipsize_width)
+ {
+ int ellipsize_width;
+ int right_bearing;
+
+ ellipsize_width = parse_x_position_unchecked (op->data.title.ellipsize_width, env);
+ /* HACK: parse_x_position_unchecked adds in env->rect.x, subtract out again */
+ ellipsize_width -= env->rect.x;
+
+ pango_layout_set_width (info->title_layout, -1);
+ pango_layout_get_pixel_extents (info->title_layout,
+ &ink_rect, &logical_rect);
+
+ /* Pango's idea of ellipsization is with respect to the logical rect.
+ * correct for this, by reducing the ellipsization width by the overflow
+ * of the un-ellipsized text on the right... it's always the visual
+ * right we want regardless of bidi, since since the X we pass in to
+ * cairo_move_to() is always the left edge of the line.
+ */
+ right_bearing = (ink_rect.x + ink_rect.width) - (logical_rect.x + logical_rect.width);
+ right_bearing = MAX (right_bearing, 0);
+
+ ellipsize_width -= right_bearing;
+ ellipsize_width = MAX (ellipsize_width, 0);
+
+ /* Only ellipsizing when necessary is a performance optimization -
+ * pango_layout_set_width() will force a relayout if it isn't the
+ * same as the current width of -1.
+ */
+ if (ellipsize_width < logical_rect.width)
+ pango_layout_set_width (info->title_layout, PANGO_SCALE * ellipsize_width);
+ }
+ else if (rx - env->rect.x + env->title_width >= env->rect.width)
{
const double alpha_margin = 30.0;
int text_space = env->rect.x + env->rect.width -
@@ -3907,12 +3942,14 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
color.blue, 0);
cairo_set_source(cr, linpat);
cairo_pattern_destroy(linpat);
- } else {
- gdk_cairo_set_source_rgba (cr, &color);
}
cairo_move_to (cr, rx, ry);
pango_cairo_show_layout (cr, info->title_layout);
+
+ /* Remove any ellipsization we might have set; will short-circuit
+ * if the width is already -1 */
+ pango_layout_set_width (info->title_layout, -1);
}
break;