diff options
Diffstat (limited to 'libs/gtkmm2ext/pixfader.cc')
| -rw-r--r-- | libs/gtkmm2ext/pixfader.cc | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/libs/gtkmm2ext/pixfader.cc b/libs/gtkmm2ext/pixfader.cc index e146f7aa60..02597f331e 100644 --- a/libs/gtkmm2ext/pixfader.cc +++ b/libs/gtkmm2ext/pixfader.cc @@ -28,14 +28,19 @@ using namespace Gtkmm2ext; using namespace Gtk; using namespace std; -PixFader::PixFader (Glib::RefPtr<Gdk::Pixbuf> belt, Gtk::Adjustment& adj, int orientation, int fader_length) - +PixFader::PixFader ( + Glib::RefPtr<Gdk::Pixbuf> belt, + Glib::RefPtr<Gdk::Pixbuf> belt_desensitised, + Gtk::Adjustment& adj, + int orientation, + int fader_length + ) : adjustment (adj), - pixbuf (belt), _orien(orientation) { - Cairo::Format format; - + pixbuf[NORMAL] = belt; + pixbuf[DESENSITISED] = belt_desensitised; + dragging = false; default_value = adjustment.get_value(); last_drawn = -1; @@ -44,9 +49,9 @@ PixFader::PixFader (Glib::RefPtr<Gdk::Pixbuf> belt, Gtk::Adjustment& adj, int or view.y = 0; if (orientation == VERT) { - view.width = girth = pixbuf->get_width(); + view.width = girth = pixbuf[0]->get_width(); } else { - view.height = girth = pixbuf->get_height(); + view.height = girth = pixbuf[0]->get_height(); } set_fader_length (fader_length); @@ -56,16 +61,21 @@ PixFader::PixFader (Glib::RefPtr<Gdk::Pixbuf> belt, Gtk::Adjustment& adj, int or adjustment.signal_value_changed().connect (mem_fun (*this, &PixFader::adjustment_changed)); adjustment.signal_changed().connect (mem_fun (*this, &PixFader::adjustment_changed)); - if (pixbuf->get_has_alpha()) { - format = Cairo::FORMAT_ARGB32; - } else { - format = Cairo::FORMAT_RGB24; - } - belt_surface = Cairo::ImageSurface::create (format, pixbuf->get_width(), pixbuf->get_height()); - belt_context = Cairo::Context::create (belt_surface); - Gdk::Cairo::set_source_pixbuf (belt_context, pixbuf, 0.0, 0.0); - belt_context->paint(); + for (int i = 0; i < STATES; ++i) { + Cairo::Format format; + + if (pixbuf[i]->get_has_alpha()) { + format = Cairo::FORMAT_ARGB32; + } else { + format = Cairo::FORMAT_RGB24; + } + belt_surface[i] = Cairo::ImageSurface::create (format, pixbuf[i]->get_width(), pixbuf[i]->get_height()); + belt_context[i] = Cairo::Context::create (belt_surface[i]); + Gdk::Cairo::set_source_pixbuf (belt_context[i], pixbuf[i], 0.0, 0.0); + belt_context[i]->paint(); + } + left_r = 0; left_g = 0; left_b = 0; @@ -96,6 +106,8 @@ PixFader::set_border_colors (uint32_t left, uint32_t right) bool PixFader::on_expose_event (GdkEventExpose* ev) { + int const pi = get_sensitive() ? NORMAL : DESENSITISED; + Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context(); int srcx, srcy; int const ds = display_span (); @@ -103,9 +115,9 @@ PixFader::on_expose_event (GdkEventExpose* ev) /* account for fader lengths that are shorter than the fader pixbuf */ if (_orien == VERT) { - offset_into_pixbuf += pixbuf->get_height() / 2 - view.height; + offset_into_pixbuf += pixbuf[pi]->get_height() / 2 - view.height; } else { - offset_into_pixbuf += pixbuf->get_width() / 2 - view.width; + offset_into_pixbuf += pixbuf[pi]->get_width() / 2 - view.width; } context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height); @@ -122,7 +134,7 @@ PixFader::on_expose_event (GdkEventExpose* ev) /* fader */ context->save(); - context->set_source (belt_surface, -srcx, -srcy); + context->set_source (belt_surface[pi], -srcx, -srcy); context->rectangle (0, 0, get_width(), get_height()); context->clip (); context->paint(); |