goodbye pixmaps and pixbufs (no longer) used by Gtkmm2ext::PixFader

git-svn-id: svn://localhost/ardour2/branches/3.0@13827 d708f5d6-7413-0410-9779-e7cbd77b26cf

13 files changed, 42 insertions, 189 deletions

diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index f2123e2e31..cb8d57b1be 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -273,9 +273,6 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[])
 		setup_gtk_ardour_enums ();
 		setup_profile ();
 
-		GainMeter::setup_slider_pix ();
-		RouteTimeAxisView::setup_slider_pix ();
-		ProcessorEntry::setup_slider_pix ();
 		SessionEvent::create_per_thread_pool ("GUI", 512);
 
 	} catch (failed_constructor& err) {
diff --git a/gtk2_ardour/gain_meter.cc b/gtk2_ardour/gain_meter.cc
index 5fe3847e6f..9436596afa 100644
--- a/gtk2_ardour/gain_meter.cc
+++ b/gtk2_ardour/gain_meter.cc
@@ -61,27 +61,8 @@ sigc::signal<void> GainMeterBase::ResetAllPeakDisplays;
 sigc::signal<void,RouteGroup*> GainMeterBase::ResetGroupPeakDisplays;
 
 GainMeter::MetricPatterns GainMeter::metric_patterns;
-Glib::RefPtr<Gdk::Pixbuf> GainMeter::slider;
-Glib::RefPtr<Gdk::Pixbuf> GainMeter::slider_desensitised;
 
-
-void
-GainMeter::setup_slider_pix ()
-{
-	if ((slider = ::get_icon ("fader_belt")) == 0) {
-		throw failed_constructor();
-	}
-
-	if ((slider_desensitised = ::get_icon ("fader_belt_desensitised")) == 0) {
-		throw failed_constructor();
-	}
-}
-
-GainMeterBase::GainMeterBase (Session* s,
-			      const Glib::RefPtr<Gdk::Pixbuf>& pix,
-			      const Glib::RefPtr<Gdk::Pixbuf>& pix_desensitised,
-			      bool horizontal,
-			      int fader_length)
+GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length)
 	: gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0.0, 1.0, 0.01, 0.1)
 	, gain_automation_style_button ("")
 	, gain_automation_state_button ("")
@@ -100,17 +81,9 @@ GainMeterBase::GainMeterBase (Session* s,
 	_width = Wide;
 
 	if (horizontal) {
-		gain_slider = manage (new HSliderController (pix,
-							     pix_desensitised,
-							     &gain_adjustment,
-							     fader_length,
-							     false));
+		gain_slider = manage (new HSliderController (&gain_adjustment, fader_length, false));
 	} else {
-		gain_slider = manage (new VSliderController (pix,
-							     pix_desensitised,
-							     &gain_adjustment,
-							     fader_length,
-							     false));
+		gain_slider = manage (new VSliderController (&gain_adjustment, fader_length, false));
 	}
 
 	level_meter = new LevelMeter(_session);
@@ -881,7 +854,7 @@ GainMeterBase::on_theme_changed()
 }
 
 GainMeter::GainMeter (Session* s, int fader_length)
-	: GainMeterBase (s, slider, slider_desensitised, false, fader_length)
+	: GainMeterBase (s, false, fader_length)
 	, gain_display_box(true, 0)
 	, hbox(true, 2)
 {
diff --git a/gtk2_ardour/gain_meter.h b/gtk2_ardour/gain_meter.h
index 73144380dd..116a0e7dfe 100644
--- a/gtk2_ardour/gain_meter.h
+++ b/gtk2_ardour/gain_meter.h
@@ -67,8 +67,7 @@ namespace Gtk {
 class GainMeterBase : virtual public sigc::trackable, ARDOUR::SessionHandlePtr
 {
   public:
-	GainMeterBase (ARDOUR::Session*, const Glib::RefPtr<Gdk::Pixbuf>&, const Glib::RefPtr<Gdk::Pixbuf> &,
-		       bool horizontal, int);
+        GainMeterBase (ARDOUR::Session*, bool horizontal, int);
 	virtual ~GainMeterBase ();
 
 	virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
@@ -211,8 +210,6 @@ class GainMeter : public GainMeterBase, public Gtk::VBox
 	int get_gm_width ();
 	void setup_meters (int len=0);
 
-	static void setup_slider_pix ();
-
   protected:
 	void hide_all_meters ();
 
@@ -233,9 +230,6 @@ class GainMeter : public GainMeterBase, public Gtk::VBox
 	Gtk::Alignment fader_alignment;
 	Gtk::Alignment meter_alignment;
 	std::vector<ARDOUR::DataType> _types;
-
-	static Glib::RefPtr<Gdk::Pixbuf> slider;
-	static Glib::RefPtr<Gdk::Pixbuf> slider_desensitised;
 };
 
 #endif /* __ardour_gtk_gain_meter_h__ */
diff --git a/gtk2_ardour/option_editor.cc b/gtk2_ardour/option_editor.cc
index da4594e6da..c59762b70d 100644
--- a/gtk2_ardour/option_editor.cc
+++ b/gtk2_ardour/option_editor.cc
@@ -224,21 +224,7 @@ FaderOption::FaderOption (string const & i, string const & n, sigc::slot<gain_t>
 	, _get (g)
 	, _set (s)
 {
-	_pix = ::get_icon (X_("fader_belt_h"));
-	if (_pix == 0) {
-		throw failed_constructor ();
-	}
-
-	_pix_desensitised = ::get_icon (X_("fader_belt_h_desensitised"));
-	if (_pix_desensitised == 0) {
-		throw failed_constructor ();
-	}
-	
-	_db_slider = manage (new HSliderController (_pix,
-						    _pix_desensitised,
-						    &_db_adjustment,
-						    115,
-						    false));
+	_db_slider = manage (new HSliderController (&_db_adjustment, 115, false));
 
 	_label.set_text (n + ":");
 	_label.set_name (X_("OptionsLabel"));
diff --git a/gtk2_ardour/option_editor.h b/gtk2_ardour/option_editor.h
index 5fbed4ea32..d09be0a904 100644
--- a/gtk2_ardour/option_editor.h
+++ b/gtk2_ardour/option_editor.h
@@ -522,8 +522,6 @@ private:
 
 	Gtk::Adjustment _db_adjustment;
 	Gtkmm2ext::HSliderController* _db_slider;
-	Glib::RefPtr<Gdk::Pixbuf> _pix;
-	Glib::RefPtr<Gdk::Pixbuf> _pix_desensitised;
 	Gtk::Entry _db_display;
 	Gtk::Label _label;
 	Gtk::HBox _box;
diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index 016379493c..2cf051baf2 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -90,8 +90,6 @@ RefPtr<Action> ProcessorBox::cut_action;
 RefPtr<Action> ProcessorBox::rename_action;
 RefPtr<Action> ProcessorBox::edit_action;
 RefPtr<Action> ProcessorBox::edit_generic_action;
-Glib::RefPtr<Gdk::Pixbuf> ProcessorEntry::_slider_pixbuf;
-Glib::RefPtr<Gdk::Pixbuf> ProcessorEntry::_slider_pixbuf_desensitised;
 
 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
 	: _button (ArdourButton::led_default_elements)
@@ -122,12 +120,7 @@ ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processo
 		set<Evoral::Parameter> p = _processor->what_can_be_automated ();
 		for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
 			
-			Control* c = new Control (
-				_slider_pixbuf,
-				_slider_pixbuf_desensitised,
-				_processor->automation_control (*i),
-				_processor->describe_parameter (*i)
-				);
+			Control* c = new Control (_processor->automation_control (*i), _processor->describe_parameter (*i));
 			
 			_controls.push_back (c);
 
@@ -304,15 +297,6 @@ ProcessorEntry::name (Width w) const
 }
 
 void
-ProcessorEntry::setup_slider_pix ()
-{
-	_slider_pixbuf = ::get_icon ("fader_belt_h_thin");
-	assert (_slider_pixbuf);
-	_slider_pixbuf_desensitised = ::get_icon ("fader_belt_h_thin_desensitised");
-	assert (_slider_pixbuf_desensitised);
-}
-
-void
 ProcessorEntry::set_pixel_width (int p)
 {
 	for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
@@ -407,10 +391,10 @@ ProcessorEntry::toggle_control_visibility (Control* c)
 	_parent->update_gui_object_state (this);
 }
 
-ProcessorEntry::Control::Control (Glib::RefPtr<Gdk::Pixbuf> s, Glib::RefPtr<Gdk::Pixbuf> sd, boost::shared_ptr<AutomationControl> c, string const & n)
+ProcessorEntry::Control::Control (boost::shared_ptr<AutomationControl> c, string const & n)
 	: _control (c)
 	, _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
-	, _slider (s, sd, &_adjustment, 0, false)
+	, _slider (&_adjustment, 0, false)
 	, _slider_persistant_tooltip (&_slider)
 	, _button (ArdourButton::Element (ArdourButton::Text | ArdourButton::Indicator))
 	, _ignore_ui_adjustment (false)
diff --git a/gtk2_ardour/processor_box.h b/gtk2_ardour/processor_box.h
index d300f70d5a..268241a4e6 100644
--- a/gtk2_ardour/processor_box.h
+++ b/gtk2_ardour/processor_box.h
@@ -131,8 +131,6 @@ public:
 	std::string state_id () const;
 	Gtk::Menu* build_controls_menu ();
 
-	static void setup_slider_pix ();
-
 protected:
 	ArdourButton _button;
 	Gtk::VBox _vbox;
@@ -140,9 +138,6 @@ protected:
 
 	virtual void setup_visuals ();
 
-	static Glib::RefPtr<Gdk::Pixbuf> _slider_pixbuf;
-	static Glib::RefPtr<Gdk::Pixbuf> _slider_pixbuf_desensitised;
-
 private:
 	void led_clicked();
 	void processor_active_changed ();
@@ -159,7 +154,7 @@ private:
 
 	class Control : public sigc::trackable {
 	public:
-		Control (Glib::RefPtr<Gdk::Pixbuf>, Glib::RefPtr<Gdk::Pixbuf>, boost::shared_ptr<ARDOUR::AutomationControl>, std::string const &);
+		Control (boost::shared_ptr<ARDOUR::AutomationControl>, std::string const &);
 
 		void set_pixel_width (int);
 		void set_visible (bool);
diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
index f818686df2..a882dd0965 100644
--- a/gtk2_ardour/route_time_axis.cc
+++ b/gtk2_ardour/route_time_axis.cc
@@ -85,21 +85,6 @@ using namespace Editing;
 using namespace std;
 using std::list;
 
-Glib::RefPtr<Gdk::Pixbuf> RouteTimeAxisView::slider;
-Glib::RefPtr<Gdk::Pixbuf> RouteTimeAxisView::slider_desensitised;
-
-void
-RouteTimeAxisView::setup_slider_pix ()
-{
-	if ((slider = ::get_icon ("fader_belt_h_medium")) == 0) {
-		throw failed_constructor ();
-	}
-
-	if ((slider_desensitised = ::get_icon ("fader_belt_h_medium_desensitised")) == 0) {
-		throw failed_constructor ();
-	}
-}
-
 RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session* sess, Canvas& canvas)
 	: AxisView(sess)
 	, RouteUI(sess)
@@ -117,7 +102,7 @@ RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session* sess, Canvas& c
 	, playlist_action_menu (0)
 	, mode_menu (0)
 	, color_mode_menu (0)
-	, gm (sess, slider, slider_desensitised, true, 125)
+	, gm (sess, true, 125)
 	, _ignore_set_layer_display (false)
 {
 }
diff --git a/gtk2_ardour/route_time_axis.h b/gtk2_ardour/route_time_axis.h
index 541b070558..3a5bc34250 100644
--- a/gtk2_ardour/route_time_axis.h
+++ b/gtk2_ardour/route_time_axis.h
@@ -142,8 +142,6 @@ public:
 
 	std::string state_id() const;
 
-	static void setup_slider_pix ();
-
 protected:
 	friend class StreamView;
 
@@ -289,9 +287,6 @@ protected:
 
 	GainMeterBase gm;
 
-	static Glib::RefPtr<Gdk::Pixbuf> slider;
-	static Glib::RefPtr<Gdk::Pixbuf> slider_desensitised;
-
 	XMLNode* underlay_xml_node;
 	bool set_underlay_state();
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/pixfader.h b/libs/gtkmm2ext/gtkmm2ext/pixfader.h
index 40f214f087..3d53a0d121 100644
--- a/libs/gtkmm2ext/gtkmm2ext/pixfader.h
+++ b/libs/gtkmm2ext/gtkmm2ext/pixfader.h
@@ -32,7 +32,7 @@ namespace Gtkmm2ext {
 class PixFader : public Gtk::DrawingArea
 {
   public:
-	PixFader (Glib::RefPtr<Gdk::Pixbuf>, Glib::RefPtr<Gdk::Pixbuf>, Gtk::Adjustment& adjustment, int orientation, int);
+	PixFader (Gtk::Adjustment& adjustment, int orientation, int);
 	virtual ~PixFader ();
 
 	void set_fader_length (int);
@@ -79,12 +79,6 @@ class PixFader : public Gtk::DrawingArea
 		STATES
 	};
 	
-#if 0
-        Cairo::RefPtr<Cairo::Context> belt_context[STATES];
-        Cairo::RefPtr<Cairo::ImageSurface> belt_surface[STATES];
-        Glib::RefPtr<Gdk::Pixbuf> pixbuf[STATES];
-#endif
-
 	int span, girth;
 	int _orien;
         float left_r;
@@ -94,8 +88,6 @@ class PixFader : public Gtk::DrawingArea
         float right_g;
         float right_b;
 
-	GdkRectangle view;
-
 	cairo_pattern_t* pattern;
 	cairo_pattern_t* shine_pattern;
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/slider_controller.h b/libs/gtkmm2ext/gtkmm2ext/slider_controller.h
index 64dd977e9b..8fe788aa37 100644
--- a/libs/gtkmm2ext/gtkmm2ext/slider_controller.h
+++ b/libs/gtkmm2ext/gtkmm2ext/slider_controller.h
@@ -39,7 +39,7 @@ namespace Gtkmm2ext {
 class SliderController : public Gtkmm2ext::PixFader
 {
   public:
-	SliderController (Glib::RefPtr<Gdk::Pixbuf>, Glib::RefPtr<Gdk::Pixbuf>, Gtk::Adjustment* adj, int orientation, int);
+	SliderController (Gtk::Adjustment* adj, int orientation, int);
 	
         virtual ~SliderController () {}
 
@@ -53,8 +53,6 @@ class SliderController : public Gtkmm2ext::PixFader
 
   protected:
 	BindingProxy binding_proxy;
-	Glib::RefPtr<Gdk::Pixbuf> slider;
-	Glib::RefPtr<Gdk::Pixbuf> rail;
 	Gtk::SpinButton     spin;
 	Gtk::Frame          spin_frame;
 	Gtk::HBox           spin_hbox;
@@ -65,19 +63,13 @@ class SliderController : public Gtkmm2ext::PixFader
 class VSliderController : public SliderController
 {
   public:
-	VSliderController (Glib::RefPtr<Gdk::Pixbuf> image,
-			   Glib::RefPtr<Gdk::Pixbuf> image_desensitised,
-			   Gtk::Adjustment *adj, int,
-			   bool with_numeric = true);
+	VSliderController (Gtk::Adjustment *adj, int, bool with_numeric = true);
 };
 
 class HSliderController : public SliderController
 {
   public:
-	HSliderController (Glib::RefPtr<Gdk::Pixbuf> image,
-			   Glib::RefPtr<Gdk::Pixbuf> image_desensitised,
-			   Gtk::Adjustment *adj, int,
-			   bool with_numeric = true);
+	HSliderController (Gtk::Adjustment *adj, int, bool with_numeric = true);
 };
 
 
diff --git a/libs/gtkmm2ext/pixfader.cc b/libs/gtkmm2ext/pixfader.cc
index 9d15a55932..a4ea3456ab 100644
--- a/libs/gtkmm2ext/pixfader.cc
+++ b/libs/gtkmm2ext/pixfader.cc
@@ -32,21 +32,10 @@ using namespace std;
 #define CORNER_RADIUS 4
 #define FADER_RESERVE (2*CORNER_RADIUS)
 
-PixFader::PixFader (
-	Glib::RefPtr<Gdk::Pixbuf> belt,
-	Glib::RefPtr<Gdk::Pixbuf> belt_desensitised,
-	Gtk::Adjustment& adj,
-	int orientation,
-	int fader_length
-	)
-	: adjustment (adj),
-	  _orien(orientation)
+PixFader::PixFader (Gtk::Adjustment& adj, int orientation, int fader_length)
+	: adjustment (adj)
+	, _orien (orientation)
 {
-#if 0
-	pixbuf[NORMAL] = belt;
-	pixbuf[DESENSITISED] = belt_desensitised;
-#endif
-	
 	pattern = 0;
 	shine_pattern = 0;
 	
@@ -55,14 +44,7 @@ PixFader::PixFader (
 	default_value = adjustment.get_value();
 	last_drawn = -1;
 
-	view.x = 0;
-	view.y = 0;
-
-	if (orientation == VERT) {
-		view.width = girth = 24;
-	} else {
-		view.height = girth = 24;
-	}
+	girth = 24;
 
 	set_fader_length (fader_length);
 
@@ -70,23 +52,6 @@ PixFader::PixFader (
 
 	adjustment.signal_value_changed().connect (mem_fun (*this, &PixFader::adjustment_changed));
 	adjustment.signal_changed().connect (mem_fun (*this, &PixFader::adjustment_changed));
-
-#if 0
-	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();
-	}
-#endif
 	
         left_r = 0;
         left_g = 0;
@@ -119,7 +84,7 @@ void
 PixFader::create_patterns ()
 {
 	Gdk::Color c = get_style()->get_fg (get_state());
-    float r, g, b;
+	float r, g, b;
 	r = c.get_red_p ();
 	g = c.get_green_p ();
 	b = c.get_blue_p ();
@@ -161,7 +126,7 @@ PixFader::create_patterns ()
 }
 
 bool
-PixFader::on_expose_event (GdkEventExpose* ev)
+PixFader::on_expose_event (GdkEventExpose*)
 {
 	Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context();
 	cairo_t* cr = context->cobj();
@@ -254,18 +219,24 @@ PixFader::on_expose_event (GdkEventExpose* ev)
 void
 PixFader::on_size_request (GtkRequisition* req)
 {
-	req->width = view.width;
-	req->height = view.height;
+	if (_orien == VERT) {
+		req->width = girth;
+		req->height = span;
+	} else {
+		req->height = girth;
+		req->width = span;
+	}
 }
 
 void
 PixFader::on_size_allocate (Gtk::Allocation& alloc)
 {
 	DrawingArea::on_size_allocate(alloc);
+
 	if (_orien == VERT) {
-		view.height = span = alloc.get_height();
+		span = alloc.get_height();
 	} else {
-		view.width = span = alloc.get_width();
+		span = alloc.get_width();
 	}
 
 	update_unity_position ();
@@ -479,9 +450,9 @@ void
 PixFader::set_fader_length (int l)
 {
 	if (_orien == VERT) {
-		view.height = span = l;
+		span = l;
 	} else {
-		view.width = span = l;
+		span = l;
 	}
 
 	update_unity_position ();
@@ -493,9 +464,9 @@ void
 PixFader::update_unity_position ()
 {
 	if (_orien == VERT) {
-		unity_loc = (int) rint (view.height * (1 - (default_value / (adjustment.get_upper() - adjustment.get_lower())))) - 1;
+		unity_loc = (int) rint (span * (1 - (default_value / (adjustment.get_upper() - adjustment.get_lower())))) - 1;
 	} else {
-		unity_loc = (int) rint (default_value * view.width);
+		unity_loc = (int) rint (default_value * span);
 	}
 
 	queue_draw ();
diff --git a/libs/gtkmm2ext/slider_controller.cc b/libs/gtkmm2ext/slider_controller.cc
index c55697a2ee..76e28a7beb 100644
--- a/libs/gtkmm2ext/slider_controller.cc
+++ b/libs/gtkmm2ext/slider_controller.cc
@@ -28,15 +28,9 @@
 using namespace Gtkmm2ext;
 using namespace PBD;
 
-SliderController::SliderController (
-	Glib::RefPtr<Gdk::Pixbuf> image,
-	Glib::RefPtr<Gdk::Pixbuf> image_desensitised,
-	Gtk::Adjustment *adj,
-	int orientation,
-	int fader_length
-	)
-	: PixFader (image, image_desensitised, *adj, orientation, fader_length),
-	  spin (*adj, 0, 2)
+SliderController::SliderController (Gtk::Adjustment *adj, int orientation, int fader_length)
+	: PixFader (*adj, orientation, fader_length)
+	, spin (*adj, 0, 2)
 {			  
 	spin.set_name ("SliderControllerValue");
 	spin.set_size_request (70,-1); // should be based on font size somehow
@@ -60,11 +54,9 @@ SliderController::on_button_press_event (GdkEventButton *ev)
 	return PixFader::on_button_press_event (ev);
 }
 
-VSliderController::VSliderController (Glib::RefPtr<Gdk::Pixbuf> image, Glib::RefPtr<Gdk::Pixbuf> image_desensitised,
-				      Gtk::Adjustment *adj, int fader_length,
-				      bool with_numeric)
+VSliderController::VSliderController (Gtk::Adjustment *adj, int fader_length, bool with_numeric)
 
-	: SliderController (image, image_desensitised, adj, VERT, fader_length)
+	: SliderController (adj, VERT, fader_length)
 {
 	if (with_numeric) {
 		spin_frame.add (spin);
@@ -75,11 +67,10 @@ VSliderController::VSliderController (Glib::RefPtr<Gdk::Pixbuf> image, Glib::Ref
 	}
 }
 
-HSliderController::HSliderController (Glib::RefPtr<Gdk::Pixbuf> image, Glib::RefPtr<Gdk::Pixbuf> image_desensitised,
-				      Gtk::Adjustment *adj, int fader_length,
+HSliderController::HSliderController (Gtk::Adjustment *adj, int fader_length,
 				      bool with_numeric)
 	
-	: SliderController (image, image_desensitised, adj, HORIZ, fader_length)
+	: SliderController (adj, HORIZ, fader_length)
 {
 	if (with_numeric) {
 		spin_frame.add (spin);