remove duplicate/unnecessary header inclusions

[ardour.git] / libs / gtkmm2ext / pixscroller.cc

diff --git a/libs/gtkmm2ext/pixscroller.cc b/libs/gtkmm2ext/pixscroller.cc
index 22db1892d1fb8c9c45b9fa6257c9293741f8fb7b..55bbef8c80a357a3ed576b94a4d7499d306f8c5a 100644 (file)
--- a/libs/gtkmm2ext/pixscroller.cc
+++ b/libs/gtkmm2ext/pixscroller.cc
@@ -1,6 +1,6 @@
 /*
     Copyright (C) 2005 Paul Davis
- 
+
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
@@ -30,7 +30,7 @@ using namespace std;
 using namespace Gtk;
 using namespace Gtkmm2ext;
 
-PixScroller::PixScroller (Adjustment& a, 
+PixScroller::PixScroller (Adjustment& a,
                          Glib::RefPtr<Gdk::Pixbuf> s,
                          Glib::RefPtr<Gdk::Pixbuf> r)
        : adj (a),
@@ -66,7 +66,7 @@ PixScroller::PixScroller (Adjustment& a,
         rail_surface = Cairo::ImageSurface::create  (format, rail->get_width(), rail->get_height());
         rail_context = Cairo::Context::create (rail_surface);
         Gdk::Cairo::set_source_pixbuf (rail_context, rail, 0.0, 0.0);
-        rail_context->paint();        
+        rail_context->paint();
 
         if (slider->get_has_alpha()) {
                 format = Cairo::FORMAT_ARGB32;
@@ -76,7 +76,7 @@ PixScroller::PixScroller (Adjustment& a,
         slider_surface = Cairo::ImageSurface::create  (format, slider->get_width(), slider->get_height());
         slider_context = Cairo::Context::create (slider_surface);
         Gdk::Cairo::set_source_pixbuf (slider_context, slider, 0.0, 0.0);
-        slider_context->paint();        
+        slider_context->paint();
 }
 
 void
@@ -92,7 +92,7 @@ PixScroller::on_expose_event (GdkEventExpose* ev)
        GdkRectangle intersect;
        Glib::RefPtr<Gdk::Window> win (get_window());
         Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context();
-        
+
        if (gdk_rectangle_intersect (railrect.gobj(), &ev->area, &intersect)) {
 
                 context->save();
@@ -104,7 +104,7 @@ PixScroller::on_expose_event (GdkEventExpose* ev)
                 context->paint();
                 context->restore();
        }
-       
+
        if (gdk_rectangle_intersect (sliderrect.gobj(), &ev->area, &intersect)) {
 
                 context->save();
@@ -135,8 +135,8 @@ PixScroller::on_button_press_event (GdkEventButton* ev)
                break;
        default:
                break;
-       } 
-                              
+       }
+
 
        return false;
 }
@@ -145,7 +145,7 @@ bool
 PixScroller::on_button_release_event (GdkEventButton* ev)
 {
        double scale;
-       
+
        if (ev->state & Keyboard::PrimaryModifier) {
                if (ev->state & Keyboard::SecondaryModifier) {
                        scale = 0.05;
@@ -195,7 +195,7 @@ bool
 PixScroller::on_scroll_event (GdkEventScroll* ev)
 {
        double scale;
-       
+
        if (ev->state & Keyboard::PrimaryModifier) {
                if (ev->state & Keyboard::SecondaryModifier) {
                        scale = 0.05;
@@ -235,7 +235,7 @@ PixScroller::on_motion_notify_event (GdkEventMotion* ev)
                        grab_window = ev->window;
                        return true;
                }
-               
+
                if (ev->state & Keyboard::PrimaryModifier) {
                        if (ev->state & Keyboard::SecondaryModifier) {
                                scale = 0.05;
@@ -253,7 +253,7 @@ PixScroller::on_motion_notify_event (GdkEventMotion* ev)
 
                fract = min (1.0, fract);
                fract = max (-1.0, fract);
-               
+
                fract = -fract;
 
                adj.set_value (adj.get_value() + scale * fract * (adj.get_upper() - adj.get_lower()));