diff options
author | Benjamin Otte <otte@redhat.com> | 2010-10-17 23:04:53 +0800 |
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committer | Matthew Barnes <mbarnes@redhat.com> | 2010-10-30 01:50:02 +0800 |
commit | d5cf0c298c2184b18946b5acbd1e062b39d32fc5 (patch) | |
tree | 575dc7dffe850294a792ae97a13761b7230e980a /widgets | |
parent | 00b6c62989ee243fd3d16269d1a687cf446f3baf (diff) | |
download | gsoc2013-evolution-d5cf0c298c2184b18946b5acbd1e062b39d32fc5.tar.gz gsoc2013-evolution-d5cf0c298c2184b18946b5acbd1e062b39d32fc5.tar.zst gsoc2013-evolution-d5cf0c298c2184b18946b5acbd1e062b39d32fc5.zip |
e-text: Use gdk_pango_layout_get_clip_region() for selection rendering
Diffstat (limited to 'widgets')
-rw-r--r-- | widgets/text/e-text.c | 77 |
1 files changed, 19 insertions, 58 deletions
diff --git a/widgets/text/e-text.c b/widgets/text/e-text.c index a21bde7d8b..b51142eda8 100644 --- a/widgets/text/e-text.c +++ b/widgets/text/e-text.c @@ -1511,18 +1511,27 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable, if (text->editing) { if (text->selection_start != text->selection_end) { - PangoLayoutIter *iter; GdkRegion *clip_region = gdk_region_new (); GdkGC *selection_gc; GdkGC *text_gc; - gint start_index, end_index; + gint indices[2]; - start_index = MIN (text->selection_start, text->selection_end); - end_index = MAX (text->selection_start, text->selection_end); + indices[0] = MIN (text->selection_start, text->selection_end); + indices[1] = MAX (text->selection_start, text->selection_end); /* convert these into byte indices */ - start_index = g_utf8_offset_to_pointer (text->text, start_index) - text->text; - end_index = g_utf8_offset_to_pointer (text->text, end_index) - text->text; + indices[0] = g_utf8_offset_to_pointer (text->text, indices[0]) - text->text; + indices[1] = g_utf8_offset_to_pointer (text->text, indices[1]) - text->text; + + clip_region = gdk_pango_layout_get_clip_region (text->layout, + xpos, ypos, + indices, 1); + + if (clip_rect) { + GdkRegion *rect_region = gdk_region_rectangle (clip_rect); + gdk_region_intersect (clip_region, rect_region); + gdk_region_destroy (rect_region); + } if (text->has_selection) { selection_gc = style->base_gc[GTK_STATE_SELECTED]; @@ -1532,60 +1541,12 @@ e_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable, text_gc = style->text_gc[GTK_STATE_ACTIVE]; } - gdk_gc_set_clip_rectangle (selection_gc, clip_rect); - - iter = pango_layout_get_iter (text->layout); - - do { - PangoLayoutLine *line = pango_layout_iter_get_line (iter); - gint n_ranges, i; - gint *ranges; - gint y0, y1; - gint s, e; - - if (start_index < line->start_index + line->length - && end_index > line->start_index) { - - if (start_index <= line->start_index) - s = line->start_index; - else - s = start_index; - - if (end_index > line->start_index + line->length) - e = line->start_index + line->length; - else - e = end_index; - - pango_layout_line_get_x_ranges (line, s, e, &ranges, &n_ranges); - - pango_layout_iter_get_line_yrange (iter, &y0, &y1); - - for (i=0; i < n_ranges; i++) { - GdkRectangle sel_rect; - - sel_rect.x = xpos + PANGO_PIXELS (ranges[2*i]); - sel_rect.y = ypos + PANGO_PIXELS (y0); - sel_rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE; - sel_rect.height = (y1 - y0 + PANGO_SCALE / 2) / PANGO_SCALE; - - gdk_draw_rectangle (drawable, selection_gc, TRUE, - sel_rect.x, sel_rect.y, sel_rect.width, sel_rect.height); - - gdk_region_union_with_rect (clip_region, &sel_rect); - } - g_free (ranges); - } - } while (pango_layout_iter_next_line (iter)); - - pango_layout_iter_free (iter); + gdk_gc_set_clip_region (selection_gc, clip_region); + gdk_gc_set_clip_region (text_gc, clip_region); - if (clip_rect) { - GdkRegion *rect_region = gdk_region_rectangle (clip_rect); - gdk_region_intersect (clip_region, rect_region); - gdk_region_destroy (rect_region); - } + gdk_draw_rectangle (drawable, selection_gc, TRUE, + x, y, width, height); - gdk_gc_set_clip_region (text_gc, clip_region); gdk_draw_layout (drawable, text_gc, xpos, ypos, text->layout); |