persistent waveform shape setting.
[ardour.git] / gtk2_ardour / time_axis_view.cc
index 08b00ec7fa4fc47a071349a213b0b5961ea65ddb..f67ca6a3cea5e70c0eda4861612a17912732b588 100644 (file)
 #include <string>
 #include <list>
 
-#include <libgnomecanvasmm.h>
-#include <libgnomecanvasmm/canvas.h>
-#include <libgnomecanvasmm/item.h>
 
 #include "pbd/error.h"
 #include "pbd/convert.h"
+#include "pbd/stacktrace.h"
 
 #include <gtkmm2ext/doi.h>
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/selector.h>
 
+#include "canvas/canvas.h"
+#include "canvas/rectangle.h"
+#include "canvas/debug.h"
+
 #include "ardour_ui.h"
 #include "ardour_dialog.h"
 #include "global_signals.h"
@@ -42,8 +44,6 @@
 #include "time_axis_view.h"
 #include "region_view.h"
 #include "ghostregion.h"
-#include "simplerect.h"
-#include "simpleline.h"
 #include "selection.h"
 #include "keyboard.h"
 #include "rgb_macros.h"
@@ -77,6 +77,7 @@ TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisVie
        , display_menu (0)
        , parent (rent)
        , selection_group (0)
+       , _ghost_group (0)
        , _hidden (false)
        , in_destructor (false)
        , _size_menu (0)
@@ -90,22 +91,23 @@ TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisVie
        , _resize_drag_start (-1)
        , _preresize_cursor (0)
        , _have_preresize_cursor (false)
-       , _ghost_group (0)
        , _ebox_release_can_act (true)
 {
        if (extra_height == 0) {
                compute_heights ();
        }
 
-       _canvas_background = new Group (*ed.get_background_group (), 0.0, 0.0);
-       _canvas_display = new Group (*ed.get_trackview_group (), 0.0, 0.0);
+       _canvas_display = new Group (ed.get_trackview_group (), ArdourCanvas::Duple (0.0, 0.0));
+       CANVAS_DEBUG_NAME (_canvas_display, "main for TAV");
        _canvas_display->hide(); // reveal as needed
 
-       selection_group = new Group (*_canvas_display);
+       selection_group = new Group (_canvas_display);
+       CANVAS_DEBUG_NAME (selection_group, "selection for TAV");
        selection_group->set_data (X_("timeselection"), (void *) 1);
        selection_group->hide();
 
-       _ghost_group = new Group (*_canvas_display);
+       _ghost_group = new Group (_canvas_display);
+       CANVAS_DEBUG_NAME (_ghost_group, "ghost for TAV");
        _ghost_group->lower_to_bottom();
        _ghost_group->show();
 
@@ -134,12 +136,18 @@ TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisVie
        controls_table.set_no_show_all ();
 
        HSeparator* separator = manage (new HSeparator());
+       separator->set_name("TrackSeparator");
+       separator->set_size_request(-1, 1);
+       separator->show();
 
        controls_vbox.pack_start (controls_table, false, false);
        controls_vbox.show ();
 
+       controls_hbox.pack_start (controls_vbox, true, true);
+       controls_hbox.show ();
+
        //controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
-       controls_ebox.add (controls_vbox);
+       controls_ebox.add (controls_hbox);
        controls_ebox.add_events (Gdk::BUTTON_PRESS_MASK|
                                  Gdk::BUTTON_RELEASE_MASK|
                                  Gdk::POINTER_MOTION_MASK|
@@ -156,10 +164,7 @@ TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisVie
        controls_ebox.signal_leave_notify_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_leave));
        controls_ebox.show ();
 
-       controls_hbox.pack_start (controls_ebox, true, true);
-       controls_hbox.show ();
-
-       time_axis_vbox.pack_start (controls_hbox, true, true);
+       time_axis_vbox.pack_start (controls_ebox, true, true, 0);
        time_axis_vbox.pack_end (*separator, false, false);
        time_axis_vbox.show();
 
@@ -192,9 +197,6 @@ TimeAxisView::~TimeAxisView()
        delete selection_group;
        selection_group = 0;
 
-       delete _canvas_background;
-       _canvas_background = 0;
-
        delete _canvas_display;
        _canvas_display = 0;
 
@@ -212,7 +214,6 @@ TimeAxisView::hide ()
        }
 
        _canvas_display->hide ();
-       _canvas_background->hide ();
 
        if (control_parent) {
                control_parent->remove (time_axis_vbox);
@@ -257,19 +258,12 @@ TimeAxisView::show_at (double y, int& nth, VBox *parent)
        _order = nth;
 
        if (_y_position != y) {
-               _canvas_display->property_y () = y;
-               _canvas_background->property_y () = y;
-               /* silly canvas */
-               _canvas_display->move (0.0, 0.0);
-               _canvas_background->move (0.0, 0.0);
+               _canvas_display->set_y_position (y);
                _y_position = y;
 
        }
 
-       _canvas_background->raise_to_top ();
        _canvas_display->raise_to_top ();
-
-       _canvas_background->show ();
        _canvas_display->show ();
 
        _hidden = false;
@@ -290,21 +284,6 @@ TimeAxisView::show_at (double y, int& nth, VBox *parent)
        return _effective_height;
 }
 
-void
-TimeAxisView::clip_to_viewport ()
-{
-       if (marked_for_display()) {
-               if (_y_position + _effective_height < _editor.get_trackview_group_vertical_offset () || _y_position > _editor.get_trackview_group_vertical_offset () + _canvas_display->get_canvas()->get_height()) {
-                       _canvas_background->hide ();
-                       _canvas_display->hide ();
-                       return;
-               }
-               _canvas_background->show ();
-               _canvas_display->show ();
-       }
-       return;
-}
-
 bool
 TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 {
@@ -319,7 +298,7 @@ TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
                        e.stepping_axis_view()->step_height (false);
                        return true;
                } else if (Keyboard::no_modifiers_active (ev->state)) {
-                       _editor.scroll_tracks_up_line();
+                       _editor.scroll_up_one_track();
                        return true;
                }
                break;
@@ -334,7 +313,7 @@ TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
                        e.stepping_axis_view()->step_height (true);
                        return true;
                } else if (Keyboard::no_modifiers_active (ev->state)) {
-                       _editor.scroll_tracks_down_line();
+                       _editor.scroll_down_one_track();
                        return true;
                }
                break;
@@ -386,19 +365,16 @@ bool
 TimeAxisView::controls_ebox_motion (GdkEventMotion* ev)
 {
        if (_resize_drag_start >= 0) {
-               /* (ab)use the DragManager to do autoscrolling; adjust the event coordinates
-                  into the world coordinate space that DragManager::motion_handler is expecting,
-                  and then fake a DragManager motion event so that when maybe_autoscroll
-                  asks DragManager for the current pointer position it will get the correct
-                  answers.
+
+               /* (ab)use the DragManager to do autoscrolling - basically we
+                * are pretending that the drag is taking place over the canvas
+                * (which perhaps in the glorious future, when track headers
+                * and the canvas are unified, will actually be true.)
                */
-               int tx, ty;
-               controls_ebox.translate_coordinates (*control_parent, ev->x, ev->y, tx, ty);
-               ev->y = ty - _editor.get_trackview_group_vertical_offset();
-               _editor.drags()->motion_handler ((GdkEvent *) ev, false);
-               _editor.maybe_autoscroll (false, true, false, ev->y_root < _resize_drag_start);
 
-               /* now do the actual TAV resize */
+               _editor.maybe_autoscroll (false, true, true);
+
+               /* now schedule the actual TAV resize */
                 int32_t const delta = (int32_t) floor (ev->y_root - _resize_drag_start);
                 _editor.add_to_idle_resize (this, delta);
                 _resize_drag_start = ev->y_root;
@@ -407,6 +383,7 @@ TimeAxisView::controls_ebox_motion (GdkEventMotion* ev)
                maybe_set_cursor (ev->y);
        }
 
+       gdk_event_request_motions(ev);
        return true;
 }
 
@@ -543,10 +520,12 @@ TimeAxisView::set_height (uint32_t h)
                (*i)->set_height ();
        }
 
-       if (canvas_item_visible (selection_group)) {
+       if (selection_group->visible ()) {
                /* resize the selection rect */
                show_selection (_editor.get_selection().time);
        }
+
+       _editor.override_visible_track_count ();
 }
 
 bool
@@ -805,14 +784,11 @@ TimeAxisView::build_display_menu ()
 }
 
 void
-TimeAxisView::set_samples_per_unit (double spu)
+TimeAxisView::set_samples_per_pixel (double fpp)
 {
        for (Children::iterator i = children.begin(); i != children.end(); ++i) {
-               (*i)->set_samples_per_unit (spu);
+               (*i)->set_samples_per_pixel (fpp);
        }
-
-       AnalysisFeatureList::const_iterator i;
-       list<ArdourCanvas::SimpleLine*>::iterator l;
 }
 
 void
@@ -843,7 +819,7 @@ TimeAxisView::show_selection (TimeSelection& ts)
                (*i)->show_selection (ts);
        }
 
-       if (canvas_item_visible (selection_group)) {
+       if (selection_group->visible ()) {
                while (!used_selection_rects.empty()) {
                        free_selection_rects.push_front (used_selection_rects.front());
                        used_selection_rects.pop_front();
@@ -867,27 +843,17 @@ TimeAxisView::show_selection (TimeSelection& ts)
 
                rect = get_selection_rect ((*i).id);
 
-               x1 = _editor.frame_to_unit (start);
-               x2 = _editor.frame_to_unit (start + cnt - 1);
+               x1 = _editor.sample_to_pixel (start);
+               x2 = _editor.sample_to_pixel (start + cnt - 1);
                y2 = current_height();
 
-               rect->rect->property_x1() = x1;
-               rect->rect->property_y1() = 1.0;
-               rect->rect->property_x2() = x2;
-               rect->rect->property_y2() = y2;
+               rect->rect->set (ArdourCanvas::Rect (x1, 1, x2, y2));
 
                // trim boxes are at the top for selections
 
                if (x2 > x1) {
-                       rect->start_trim->property_x1() = x1;
-                       rect->start_trim->property_y1() = 1.0;
-                       rect->start_trim->property_x2() = x1 + trim_handle_size;
-                       rect->start_trim->property_y2() = y2;
-
-                       rect->end_trim->property_x1() = x2 - trim_handle_size;
-                       rect->end_trim->property_y1() = 1.0;
-                       rect->end_trim->property_x2() = x2;
-                       rect->end_trim->property_y2() = y2;
+                       rect->start_trim->set (ArdourCanvas::Rect (x1, 1, x1 + trim_handle_size, y2));
+                       rect->end_trim->set (ArdourCanvas::Rect (x2 - trim_handle_size, 1, x2, y2));
 
                        rect->start_trim->show();
                        rect->end_trim->show();
@@ -914,7 +880,7 @@ TimeAxisView::reshow_selection (TimeSelection& ts)
 void
 TimeAxisView::hide_selection ()
 {
-       if (canvas_item_visible (selection_group)) {
+       if (selection_group->visible ()) {
                while (!used_selection_rects.empty()) {
                        free_selection_rects.push_front (used_selection_rects.front());
                        used_selection_rects.pop_front();
@@ -982,29 +948,26 @@ TimeAxisView::get_selection_rect (uint32_t id)
 
                rect = new SelectionRect;
 
-               rect->rect = new SimpleRect (*selection_group);
-               rect->rect->property_outline_what() = 0x0;
-               rect->rect->property_x1() = 0.0;
-               rect->rect->property_y1() = 0.0;
-               rect->rect->property_x2() = 0.0;
-               rect->rect->property_y2() = 0.0;
-               rect->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
+               rect->rect = new ArdourCanvas::Rectangle (selection_group);
+               CANVAS_DEBUG_NAME (rect->rect, "selection rect");
+               rect->rect->set_outline (false);
+               rect->rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_SelectionRect());
 
-               rect->start_trim = new SimpleRect (*selection_group);
-               rect->start_trim->property_outline_what() = 0x0;
-               rect->start_trim->property_x1() = 0.0;
-               rect->start_trim->property_x2() = 0.0;
+               rect->start_trim = new ArdourCanvas::Rectangle (selection_group);
+               CANVAS_DEBUG_NAME (rect->rect, "selection rect start trim");
+               rect->start_trim->set_outline (false);
+               rect->start_trim->set_fill (false);
 
-               rect->end_trim = new SimpleRect (*selection_group);
-               rect->end_trim->property_outline_what() = 0x0;
-               rect->end_trim->property_x1() = 0.0;
-               rect->end_trim->property_x2() = 0.0;
+               rect->end_trim = new ArdourCanvas::Rectangle (selection_group);
+               CANVAS_DEBUG_NAME (rect->rect, "selection rect end trim");
+               rect->end_trim->set_outline (false);
+               rect->end_trim->set_fill (false);
 
                free_selection_rects.push_front (rect);
 
-               rect->rect->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
-               rect->start_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
-               rect->end_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
+               rect->rect->Event.connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
+               rect->start_trim->Event.connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
+               rect->end_trim->Event.connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
        }
 
        rect = free_selection_rects.front();
@@ -1164,26 +1127,26 @@ TimeAxisView::color_handler ()
 
        for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 
-               (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
-               (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-
-               (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-               (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
+               (*i)->rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_SelectionRect());
+               (*i)->rect->set_outline_color (ARDOUR_UI::config()->get_canvasvar_Selection());
 
-               (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-               (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
+               (*i)->start_trim->set_fill_color (ARDOUR_UI::config()->get_canvasvar_Selection());
+               (*i)->start_trim->set_outline_color (ARDOUR_UI::config()->get_canvasvar_Selection());
+               
+               (*i)->end_trim->set_fill_color (ARDOUR_UI::config()->get_canvasvar_Selection());
+               (*i)->end_trim->set_outline_color (ARDOUR_UI::config()->get_canvasvar_Selection());
        }
-
+       
        for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
-
-               (*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
-               (*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-
-               (*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-               (*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-
-               (*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-               (*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
+               
+               (*i)->rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_SelectionRect());
+               (*i)->rect->set_outline_color (ARDOUR_UI::config()->get_canvasvar_Selection());
+               
+               (*i)->start_trim->set_fill_color (ARDOUR_UI::config()->get_canvasvar_Selection());
+               (*i)->start_trim->set_outline_color (ARDOUR_UI::config()->get_canvasvar_Selection());
+               
+               (*i)->end_trim->set_fill_color (ARDOUR_UI::config()->get_canvasvar_Selection());
+               (*i)->end_trim->set_outline_color (ARDOUR_UI::config()->get_canvasvar_Selection());
        }
 }
 
@@ -1195,7 +1158,7 @@ TimeAxisView::color_handler ()
  * and is in stacked or expanded * region display mode, otherwise 0.
  */
 std::pair<TimeAxisView*, double>
-TimeAxisView::covers_y_position (double y)
+TimeAxisView::covers_y_position (double y) const
 {
        if (hidden()) {
                return std::make_pair ((TimeAxisView *) 0, 0);
@@ -1230,7 +1193,7 @@ TimeAxisView::covers_y_position (double y)
                        break;
                }
 
-               return std::make_pair (this, l);
+               return std::make_pair (const_cast<TimeAxisView*>(this), l);
        }
 
        for (Children::const_iterator i = children.begin(); i != children.end(); ++i) {
@@ -1244,6 +1207,30 @@ TimeAxisView::covers_y_position (double y)
        return std::make_pair ((TimeAxisView *) 0, 0);
 }
 
+bool
+TimeAxisView::covered_by_y_range (double y0, double y1) const
+{
+       if (hidden()) {
+               return false;
+       }
+
+       /* if either the top or bottom of the axisview is in the vertical
+        * range, we cover it.
+        */
+       
+       if ((y0 < _y_position && y1 < _y_position) ||
+           (y0 >= _y_position + height && y1 >= _y_position + height)) {
+               return false;
+       }
+
+       for (Children::const_iterator i = children.begin(); i != children.end(); ++i) {
+               if ((*i)->covered_by_y_range (y0, y1)) {
+                       return true;
+               }
+       }
+
+       return true;
+}
 
 uint32_t
 TimeAxisView::preset_height (Height h)