diff options
| author | Robin Gareus <robin@gareus.org> | 2017-05-04 19:15:18 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2017-05-04 19:15:18 +0200 |
| commit | 95f225df8f2df2b0eb530cc65e9e6007f3ddd9f1 (patch) | |
| tree | bd8787e3d4e9a958969d9ffc0c56d215ac003ba6 /gtk2_ardour/mixer_group_tabs.cc | |
| parent | 4aeb086fe342e348cf149bfd45e6f6b0cea87aa5 (diff) | |
Scaleable group-tabs: use Pango to layout text, scale with UI #7331
Diffstat (limited to 'gtk2_ardour/mixer_group_tabs.cc')
| -rw-r--r-- | gtk2_ardour/mixer_group_tabs.cc | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/gtk2_ardour/mixer_group_tabs.cc b/gtk2_ardour/mixer_group_tabs.cc index e235bf16cc..c26a553905 100644 --- a/gtk2_ardour/mixer_group_tabs.cc +++ b/gtk2_ardour/mixer_group_tabs.cc @@ -107,7 +107,7 @@ MixerGroupTabs::compute_tabs () const } void -MixerGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) const +MixerGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) { double const arc_radius = get_height(); double r, g, b, a; @@ -127,20 +127,24 @@ MixerGroupTabs::draw_tab (cairo_t* cr, Tab const & tab) const cairo_line_to (cr, tab.from, get_height()); cairo_fill (cr); - if (tab.group) { - pair<string, double> const f = Gtkmm2ext::fit_to_pixels (cr, tab.group->name(), tab.to - tab.from - arc_radius * 2); + if (tab.group && (tab.to - tab.from) > arc_radius) { + int text_width, text_height; + + Glib::RefPtr<Pango::Layout> layout; + layout = Pango::Layout::create (get_pango_context ()); + layout->set_ellipsize (Pango::ELLIPSIZE_MIDDLE); + + layout->set_text (tab.group->name ()); + layout->set_width ((tab.to - tab.from - arc_radius) * PANGO_SCALE); + layout->get_pixel_size (text_width, text_height); - cairo_text_extents_t ext; - cairo_text_extents (cr, tab.group->name().c_str(), &ext); + cairo_move_to (cr, tab.from + (tab.to - tab.from - text_width) * .5, (get_height () - text_height) * .5); ArdourCanvas::Color c = ArdourCanvas::contrasting_text_color (ArdourCanvas::rgba_to_color (r, g, b, a)); ArdourCanvas::color_to_rgba (c, r, g, b, a); - cairo_set_source_rgb (cr, r, g, b); - cairo_move_to (cr, tab.from + (tab.to - tab.from - f.second) / 2, get_height() - ext.height / 2); - cairo_save (cr); - cairo_show_text (cr, f.first.c_str()); - cairo_restore (cr); + + pango_cairo_show_layout (cr, layout->gobj ()); } } |