Another stab at the logic for selecting regions for operations, to ensure that edit...
[ardour.git] / gtk2_ardour / editor_summary.cc
index 69dd3772cbc32eff44a679a908587cc5a47d8b47..cd4356eb75bc1cb64585d7e2985625e230b29f19 100644 (file)
@@ -26,6 +26,9 @@
 #include "region_view.h"
 #include "rgb_macros.h"
 #include "keyboard.h"
+#include "editor_routes.h"
+#include "editor_cursors.h"
+#include "mouse_cursors.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -144,7 +147,7 @@ EditorSummary::render (cairo_t* cr)
 
        /* compute start and end points for the summary */
        
-       nframes_t const session_length = _session->current_end_frame() - _session->current_start_frame ();
+       framecnt_t const session_length = _session->current_end_frame() - _session->current_start_frame ();
        double const theoretical_start = _session->current_start_frame() - session_length * _overhang_fraction;
        _start = theoretical_start > 0 ? theoretical_start : 0;
        _end = _session->current_end_frame() + session_length * _overhang_fraction;
@@ -411,31 +414,37 @@ EditorSummary::set_cursor (Position p)
 {
        switch (p) {
        case LEFT:
-               get_window()->set_cursor (*_editor->left_side_trim_cursor);
+               get_window()->set_cursor (*_editor->_cursors->resize_left);
                break;
        case LEFT_TOP:
-               get_window()->set_cursor (Gdk::Cursor (Gdk::TOP_LEFT_CORNER));
+               get_window()->set_cursor (*_editor->_cursors->resize_top_left);
                break;
        case TOP:
-               get_window()->set_cursor (Gdk::Cursor (Gdk::TOP_SIDE));
+               get_window()->set_cursor (*_editor->_cursors->resize_top);
                break;
        case RIGHT_TOP:
-               get_window()->set_cursor (Gdk::Cursor (Gdk::TOP_RIGHT_CORNER));
+               get_window()->set_cursor (*_editor->_cursors->resize_top_right);
                break;
        case RIGHT:
-               get_window()->set_cursor (*_editor->right_side_trim_cursor);
+               get_window()->set_cursor (*_editor->_cursors->resize_right);
                break;
        case RIGHT_BOTTOM:
-               get_window()->set_cursor (Gdk::Cursor (Gdk::BOTTOM_RIGHT_CORNER));
+               get_window()->set_cursor (*_editor->_cursors->resize_bottom_right);
                break;
        case BOTTOM:
-               get_window()->set_cursor (Gdk::Cursor (Gdk::BOTTOM_SIDE));
+               get_window()->set_cursor (*_editor->_cursors->resize_bottom);
                break;
        case LEFT_BOTTOM:
-               get_window()->set_cursor (Gdk::Cursor (Gdk::BOTTOM_LEFT_CORNER));
+               get_window()->set_cursor (*_editor->_cursors->resize_bottom_left);
                break;
        case INSIDE:
-               get_window()->set_cursor (Gdk::Cursor (Gdk::FLEUR));
+               get_window()->set_cursor (*_editor->_cursors->move);
+               break;
+       case TO_LEFT_OR_RIGHT:
+               get_window()->set_cursor (*_editor->_cursors->expand_left_right);
+               break;
+       case BELOW_OR_ABOVE:
+               get_window()->set_cursor (*_editor->_cursors->expand_up_down);
                break;
        default:
                get_window()->set_cursor ();
@@ -475,7 +484,7 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
                }
 
                set_editor (xr, y);
-               set_cursor (INSIDE);
+               set_cursor (_start_position);
 
        } else if (_zoom_dragging) {
 
@@ -603,7 +612,7 @@ EditorSummary::set_editor (pair<double,double> const & x, pair<double, double> c
                /* see comment in other set_editor () */
                return;
        }
-       
+
        set_editor_x (x);
        set_editor_y (y);
 }
@@ -663,24 +672,33 @@ EditorSummary::set_editor_y (pair<double, double> const & y)
           the total height into `total_height' and the height of complete tracks into
           `scale height'.
        */
+
+       /* Copy of target range for use below */
        pair<double, double> yc = y;
+       /* Total height of all tracks */
        double total_height = 0;
+       /* Height of any parts of tracks that aren't fully in the desired range */
+       double partial_height = 0;
+       /* Height of any tracks that are fully in the desired range */
        double scale_height = 0;
+       
+       _editor->_routes->suspend_redisplay ();
+
        for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
 
                if ((*i)->hidden()) {
                        continue;
                }
-
+               
                double const h = (*i)->effective_height ();
+               total_height += h;
 
-               if (yc.first >= 0 && yc.first < _track_height) {
-                       total_height += (_track_height - yc.first) * h / _track_height;
-               } else if (yc.first < 0 && yc.second > _track_height) {
-                       total_height += h;
+               if (yc.first > 0 && yc.first < _track_height) {
+                       partial_height += (_track_height - yc.first) * h / _track_height;
+               } else if (yc.first <= 0 && yc.second >= _track_height) {
                        scale_height += h;
-               } else if (yc.second >= 0 && yc.second < _track_height) {
-                       total_height += yc.second * h / _track_height;
+               } else if (yc.second > 0 && yc.second < _track_height) {
+                       partial_height += yc.second * h / _track_height;
                        break;
                }
 
@@ -688,8 +706,15 @@ EditorSummary::set_editor_y (pair<double, double> const & y)
                yc.second -= _track_height;
        }
 
-       /* hence required scale factor of the complete tracks to fit the required y range */
-       double const scale = ((_editor->canvas_height() - _editor->get_canvas_timebars_vsize()) - (total_height - scale_height)) / scale_height;
+       /* Height that we will use for scaling; use the whole editor height unless there are not
+          enough tracks to fill it.
+       */
+       double const ch = min (total_height, _editor->canvas_height() - _editor->get_canvas_timebars_vsize());
+       
+       /* hence required scale factor of the complete tracks to fit the required y range;
+          the amount of space they should take up divided by the amount they currently take up.
+       */
+       double const scale = (ch - partial_height) / scale_height;
 
        yc = y;
 
@@ -701,19 +726,21 @@ EditorSummary::set_editor_y (pair<double, double> const & y)
                        continue;
                }
 
-               if (yc.first < 0 && yc.second > _track_height) {
-                       (*i)->set_height ((*i)->effective_height() * scale);
+               if (yc.first <= 0 && yc.second >= _track_height) {
+                       (*i)->set_height (max (TimeAxisView::preset_height (HeightSmall), (uint32_t) ((*i)->effective_height() * scale)));
                }
 
                yc.first -= _track_height;
                yc.second -= _track_height;
        }
 
+       _editor->_routes->resume_redisplay ();
+       
         set_editor_y (y.first);
 }
 
 void
-EditorSummary::playhead_position_changed (nframes64_t p)
+EditorSummary::playhead_position_changed (framepos_t p)
 {
        if (_session && int (p * _x_scale) != int (_last_playhead)) {
                set_overlays_dirty ();