X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Feditor_hscroller.cc;h=f5f94c416372ada64ea1ef53a5a4f932b964dc08;hb=f420fed45db5417b5360c525ae1fcc8e919f3ac9;hp=01fd06107df4b24dfff8db376789e23000157cb7;hpb=2d32c7da360194e33e821badaf2bff89f3ec70a0;p=ardour.git

diff --git a/gtk2_ardour/editor_hscroller.cc b/gtk2_ardour/editor_hscroller.cc
index 01fd06107d..f5f94c4163 100644
--- a/gtk2_ardour/editor_hscroller.cc
+++ b/gtk2_ardour/editor_hscroller.cc
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include "editor.h"
@@ -24,247 +23,35 @@
 
 using namespace std;
 using namespace ARDOUR;
+using namespace PBD;
 
 void
-Editor::hscroll_slider_allocate (GtkAllocation *alloc)
+Editor::hscrollbar_allocate (Gtk::Allocation &alloc)
 {
-	//edit_hscroll_slider_width = alloc->width;
-	//edit_hscroll_slider_height = alloc->height ;
-
-	if (session) {
-		track_canvas_scroller.get_hadjustment()->set_upper (session->current_end_frame() / frames_per_unit);
-	}
-
-}
-
-gint
-Editor::hscroll_slider_expose (GdkEventExpose *ev)
-{
-	GdkRectangle draw_rect;
-	GdkRectangle bar_rect;
-	gint bar_max = edit_hscroll_slider_width - 2;
-
-	bar_rect.y = 1;
-	bar_rect.height = edit_hscroll_slider_height - 2;
-
-	if (session) {
-		bar_rect.width = (gint) floor (bar_max * ((canvas_width * frames_per_unit) / session->current_end_frame()));
-
-		if (bar_rect.width > bar_max) {
-			bar_rect.x = 1;
-			bar_rect.width = bar_max;
-		} else {
-			bar_rect.x = 1 + (gint) floor (bar_max * ((double) leftmost_frame / session->current_end_frame()));
-		}
-		
-	} else {
-		bar_rect.x = 1;
-		bar_rect.width = bar_max;
-	}
-
-	/* make sure we can see the bar at all times, and have enough to do zoom-trim on */
-
-	bar_rect.width = max ((guint16) (edit_hscroll_edge_width+5), (guint16) bar_rect.width);
-
-	gdk_rectangle_intersect (&ev->area, &bar_rect, &draw_rect);
-
-	gtk_paint_box (edit_hscroll_slider.get_style()->gobj(),
-		       edit_hscroll_slider.get_window()->gobj(),
-		       GTK_STATE_ACTIVE, 
-		       GTK_SHADOW_IN, 
-		       &ev->area, 
-		       GTK_WIDGET(edit_hscroll_slider.gobj()),
-		       "trough",
-		       0, 0, -1, -1);
-
-	gtk_paint_box (edit_hscroll_slider.get_style()->gobj(),
-		       edit_hscroll_slider.get_window()->gobj(),
-		       GTK_STATE_NORMAL, 
-		       GTK_SHADOW_OUT, 
-		       &draw_rect,
-		       GTK_WIDGET(edit_hscroll_slider.gobj()),
-		       "hscale",
-		       bar_rect.x, bar_rect.y, bar_rect.width, bar_rect.height);
-
-
-	return TRUE;
 }
 
-gint
-Editor::hscroll_slider_button_press (GdkEventButton *ev)
+bool
+Editor::hscrollbar_button_press (GdkEventButton *ev)
 {
-	if (!session) {
-		return TRUE;
-	}
-
-	edit_hscroll_dragging = true;
-	//cerr << "PRESS" << endl;
-
-	return TRUE;
-	
-	gint start;
-	gint width;
-	gint end;
-	gint x;
-
-	start = (gint) floor (edit_hscroll_slider_width * ((double) leftmost_frame / session->current_end_frame()));
-	width = (gint) floor (edit_hscroll_slider_width * ((canvas_width * frames_per_unit) / session->current_end_frame()));
-
-	end = start + width - 1;
-	x = (gint) max (0.0, ev->x);
-	
-	if (x >= start && x <= end) {
-		
-		edit_hscroll_drag_last = x;
-		edit_hscroll_dragging = true;
-		Gtk::Main::grab_add (edit_hscroll_slider);
-	}
-
-	return TRUE;
-}
-
-gint
-Editor::hscroll_slider_button_release (GdkEventButton *ev)
-{
-	if (!session) {
-		return TRUE;
-	}
-
-	gint start;
-	gint width;
-	gint end;
-	gint x;
-	gint bar_max = edit_hscroll_slider_width - 2;
-	jack_nframes_t new_leftmost = 0;
-
-	//cerr << "RELESAE" << endl;
-
-	if (edit_hscroll_dragging) {
-		// lets do a tempo redisplay now only, because it is dog slow
-		tempo_map_changed (Change (0));
-		edit_hscroll_dragging = false;
-	}
-	
-	return TRUE;
-
-	
-	start = (gint) floor (bar_max * ((double) leftmost_frame / session->current_end_frame()));
-	width = (gint) floor (bar_max * ((canvas_width * frames_per_unit) / session->current_end_frame()));
-
-	end = start + width - 1;
-	x = (gint) max (0.0, ev->x);
-
-	if (!edit_hscroll_dragging) {
-
-		new_leftmost = (jack_nframes_t) floor (((double) x/bar_max) * session->current_end_frame());
-		reposition_x_origin (new_leftmost);
-	}
-
-	if (edit_hscroll_dragging) {
-		// lets do a tempo redisplay now only, because it is dog slow
-		tempo_map_changed (Change (0));
-		edit_hscroll_dragging = false;
-		Gtk::Main::grab_remove (edit_hscroll_slider);
-	} 
-
-	return TRUE;
+	_dragging_hscrollbar = true;
+	return false;
 }
 
-gint
-Editor::hscroll_slider_motion (GdkEventMotion *ev)
+bool
+Editor::hscrollbar_button_release (GdkEventButton *ev)
 {
-	gint x, y;
-	Gdk::ModifierType state;
-	gint bar_max = edit_hscroll_slider_width - 2;
-
-	if (!session || !edit_hscroll_dragging) {
-		return TRUE;
-	}
+	_dragging_hscrollbar = false;
 
-	edit_hscroll_slider.get_window()->get_pointer (x, y, state);
-
-	jack_nframes_t new_frame;
-	jack_nframes_t frames;
-	double distance;
-	double fract;
-
-	distance = x - edit_hscroll_drag_last;
-	fract = fabs (distance) / bar_max;
-	frames = (jack_nframes_t) floor (session->current_end_frame() * fract);
-
-	if (distance < 0) {
-		if (leftmost_frame < frames) {
-			new_frame = 0;
-		} else {
-			new_frame = leftmost_frame - frames;
-		}
-	} else {
-		if (leftmost_frame > max_frames - frames) {
-			new_frame = max_frames;
-		} else {
-			new_frame = leftmost_frame + frames;
-		}
-	}
+	if (session) {
 
-	if (new_frame != leftmost_frame) {
-		reposition_x_origin (new_frame);
 	}
 
-	edit_hscroll_drag_last = x;
-	
-	return TRUE;
+	return false;
 }
 
 void
-Editor::update_hscroller ()
-{
-	//edit_hscroll_slider.queue_draw ();
-//	if (session) {
-// 		track_canvas_scroller.get_hadjustment()->set_upper (session->current_end_frame() / frames_per_unit);
-// 		track_canvas_scroller.get_hadjustment()->set_value (leftmost_frame/frames_per_unit);
-//	}
-}
-
-gint
-Editor::hscroll_left_arrow_button_press (GdkEventButton *ev)
+Editor::reset_hscrollbar_stepping ()
 {
-	if (!session) {
-		return FALSE;
-	}
-
-	start_canvas_autoscroll (-1);
-	return TRUE;
-}
-
-gint
-Editor::hscroll_right_arrow_button_press (GdkEventButton *ev)
-{
-	if (!session) {
-		return FALSE;
-	}
-
-	start_canvas_autoscroll (1);
-	return TRUE;
-}
-
-gint
-Editor::hscroll_left_arrow_button_release (GdkEventButton *ev)
-{
-	if (!session) {
-		return FALSE;
-	}
-
-	stop_canvas_autoscroll ();
-	return TRUE;
-}
-
-gint
-Editor::hscroll_right_arrow_button_release (GdkEventButton *ev)
-{
-	if (!session) {
-		return FALSE;
-	}
-
-	stop_canvas_autoscroll ();
-	return TRUE;
+	horizontal_adjustment.set_step_increment ((current_page_frames() / 5)/frames_per_unit); /* 5 clicks to scroll the entire page */
+	horizontal_adjustment.set_page_increment (current_page_frames()/frames_per_unit);
 }