A few cleanups. Map scroll wheel to movement of the viewport.
git-svn-id: svn://localhost/ardour2/branches/3.0@5197 d708f5d6-7413-0410-9779-e7cbd77b26cf
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@ -4715,7 +4715,7 @@ Editor::post_zoom ()
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void
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Editor::queue_visual_change (nframes64_t where)
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{
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pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
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pending_visual_change.add (VisualChange::TimeOrigin);
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/* if we're moving beyond the end, make sure the upper limit of the horizontal adjustment
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can reach.
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@ -4727,32 +4727,34 @@ Editor::queue_visual_change (nframes64_t where)
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pending_visual_change.time_origin = where;
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if (pending_visual_change.idle_handler_id < 0) {
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pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
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}
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ensure_visual_change_idle_handler ();
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}
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void
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Editor::queue_visual_change (double fpu)
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{
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pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::ZoomLevel);
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pending_visual_change.add (VisualChange::ZoomLevel);
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pending_visual_change.frames_per_unit = fpu;
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if (pending_visual_change.idle_handler_id < 0) {
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pending_visual_change.idle_handler_id = g_idle_add ( _idle_visual_changer, this);
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}
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ensure_visual_change_idle_handler ();
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}
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void
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Editor::queue_visual_change_y (double y)
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{
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pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::YOrigin);
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pending_visual_change.add (VisualChange::YOrigin);
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pending_visual_change.y_origin = y;
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ensure_visual_change_idle_handler ();
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}
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void
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Editor::ensure_visual_change_idle_handler ()
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{
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if (pending_visual_change.idle_handler_id < 0) {
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pending_visual_change.idle_handler_id = g_idle_add ( _idle_visual_changer, this);
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}
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pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
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}
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}
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int
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@ -900,20 +900,23 @@ class Editor : public PublicEditor
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void scroll_canvas_vertically ();
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struct VisualChange {
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enum Type {
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TimeOrigin = 0x1,
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ZoomLevel = 0x2,
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YOrigin = 0x4
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};
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Type pending;
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nframes64_t time_origin;
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double frames_per_unit;
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double y_origin;
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int idle_handler_id;
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VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
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enum Type {
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TimeOrigin = 0x1,
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ZoomLevel = 0x2,
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YOrigin = 0x4
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};
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Type pending;
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nframes64_t time_origin;
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double frames_per_unit;
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double y_origin;
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int idle_handler_id;
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VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
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void add (Type t) {
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pending = Type (pending | t);
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}
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};
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@ -925,6 +928,7 @@ class Editor : public PublicEditor
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void queue_visual_change (nframes64_t);
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void queue_visual_change (double);
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void queue_visual_change_y (double);
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void ensure_visual_change_idle_handler ();
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void end_location_changed (ARDOUR::Location*);
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@ -1,3 +1,22 @@
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/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "ardour/session.h"
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#include "time_axis_view.h"
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#include "streamview.h"
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@ -22,8 +41,8 @@ EditorSummary::EditorSummary (Editor* e)
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_regions_dirty (true),
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_width (512),
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_height (64),
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_pixels_per_frame (1),
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_vertical_scale (1),
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_x_scale (1),
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_y_scale (1),
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_move_dragging (false),
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_moved (false),
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_zoom_dragging (false)
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@ -165,14 +184,14 @@ EditorSummary::render (cairo_t* cr)
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}
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nframes_t const start = _session->current_start_frame ();
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_pixels_per_frame = static_cast<double> (_width) / (_session->current_end_frame() - start);
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_vertical_scale = static_cast<double> (_height) / h;
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_x_scale = static_cast<double> (_width) / (_session->current_end_frame() - start);
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_y_scale = static_cast<double> (_height) / h;
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/* tallest a region should ever be in the summary, in pixels */
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int const tallest_region_pixels = 12;
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if (max_height * _vertical_scale > tallest_region_pixels) {
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_vertical_scale = static_cast<double> (tallest_region_pixels) / max_height;
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if (max_height * _y_scale > tallest_region_pixels) {
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_y_scale = static_cast<double> (tallest_region_pixels) / max_height;
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}
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/* render regions */
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@ -182,7 +201,7 @@ EditorSummary::render (cairo_t* cr)
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StreamView* s = (*i)->view ();
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if (s) {
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double const h = (*i)->effective_height () * _vertical_scale;
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double const h = (*i)->effective_height () * _y_scale;
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cairo_set_line_width (cr, h);
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s->foreach_regionview (bind (
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@ -209,8 +228,8 @@ EditorSummary::render_region (RegionView* r, cairo_t* cr, nframes_t start, doubl
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uint32_t const c = r->get_fill_color ();
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cairo_set_source_rgb (cr, UINT_RGBA_R (c) / 255.0, UINT_RGBA_G (c) / 255.0, UINT_RGBA_B (c) / 255.0);
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cairo_move_to (cr, (r->region()->position() - start) * _pixels_per_frame, y);
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cairo_line_to (cr, ((r->region()->position() - start + r->region()->length())) * _pixels_per_frame, y);
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cairo_move_to (cr, (r->region()->position() - start) * _x_scale, y);
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cairo_line_to (cr, ((r->region()->position() - start + r->region()->length())) * _x_scale, y);
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cairo_stroke (cr);
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}
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@ -260,7 +279,7 @@ EditorSummary::on_size_allocate (Gtk::Allocation& alloc)
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void
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EditorSummary::centre_on_click (GdkEventButton* ev)
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{
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nframes_t x = (ev->x / _pixels_per_frame) + _session->current_start_frame();
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nframes_t x = (ev->x / _x_scale) + _session->current_start_frame();
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nframes_t const xh = _editor->current_page_frames () / 2;
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if (x > xh) {
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x -= xh;
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@ -270,7 +289,7 @@ EditorSummary::centre_on_click (GdkEventButton* ev)
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_editor->reset_x_origin (x);
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double y = ev->y / _vertical_scale;
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double y = ev->y / _y_scale;
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double const yh = _editor->canvas_height () / 2;
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if (y > yh) {
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y -= yh;
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@ -288,11 +307,11 @@ bool
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EditorSummary::on_button_press_event (GdkEventButton* ev)
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{
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if (ev->button == 1) {
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pair<double, double> xr;
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pair<double, double> yr;
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editor_view (&xr, &yr);
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if (xr.first <= ev->x && ev->x <= xr.second && yr.first <= ev->y && ev->y <= yr.second) {
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if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
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@ -344,11 +363,11 @@ EditorSummary::on_button_press_event (GdkEventButton* ev)
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void
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EditorSummary::editor_view (pair<double, double>* x, pair<double, double>* y) const
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{
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x->first = (_editor->leftmost_position () - _session->current_start_frame ()) * _pixels_per_frame;
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x->second = x->first + _editor->current_page_frames() * _pixels_per_frame;
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x->first = (_editor->leftmost_position () - _session->current_start_frame ()) * _x_scale;
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x->second = x->first + _editor->current_page_frames() * _x_scale;
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y->first = _editor->get_trackview_group_vertical_offset () * _vertical_scale;
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y->second = y->first + _editor->canvas_height () * _vertical_scale;
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y->first = _editor->get_trackview_group_vertical_offset () * _y_scale;
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y->second = y->first + _editor->canvas_height () * _y_scale;
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}
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bool
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@ -357,8 +376,8 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
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if (_move_dragging) {
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_moved = true;
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_editor->reset_x_origin (((ev->x - _x_offset) / _pixels_per_frame) + _session->current_start_frame ());
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_editor->reset_y_origin ((ev->y - _y_offset) / _vertical_scale);
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_editor->reset_x_origin (((ev->x - _x_offset) / _x_scale) + _session->current_start_frame ());
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_editor->reset_y_origin ((ev->y - _y_offset) / _y_scale);
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return true;
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} else if (_zoom_dragging) {
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@ -371,7 +390,7 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
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switch (_zoom_position) {
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case LEFT:
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f = 1 - (dx / _width_start);
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rx += (dx / _pixels_per_frame);
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rx += (dx / _x_scale);
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break;
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case RIGHT:
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f = 1 + (dx / _width_start);
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@ -413,3 +432,41 @@ EditorSummary::on_button_release_event (GdkEventButton* ev)
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_editor->_dragging_playhead = false;
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return true;
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}
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bool
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EditorSummary::on_scroll_event (GdkEventScroll* ev)
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{
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/* mouse wheel */
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pair<double, double> xr;
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pair<double, double> yr;
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editor_view (&xr, &yr);
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if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
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double x = xr.first;
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if (ev->direction == GDK_SCROLL_UP) {
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x += 16;
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} else {
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x -= 16;
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}
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_editor->reset_x_origin (x / _x_scale);
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} else {
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double y = yr.first;
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if (ev->direction == GDK_SCROLL_DOWN) {
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y += 16;
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} else {
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y -= 16;
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}
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_editor->reset_y_origin (y / _y_scale);
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}
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return true;
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}
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@ -1,3 +1,22 @@
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/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __gtk_ardour_editor_summary_h__
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#define __gtk_ardour_editor_summary_h__
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@ -30,6 +49,7 @@ private:
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bool on_button_press_event (GdkEventButton *);
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bool on_button_release_event (GdkEventButton *);
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bool on_motion_notify_event (GdkEventMotion *);
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bool on_scroll_event (GdkEventScroll *);
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void render (cairo_t *);
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GdkPixmap* get_pixmap (GdkDrawable *);
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@ -42,8 +62,8 @@ private:
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bool _regions_dirty; ///< true if _pixmap requires re-rendering, otherwise false
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int _width; ///< pixmap width
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int _height; ///< pixmap height
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double _pixels_per_frame; ///< pixels per frame for the x axis of the pixmap
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double _vertical_scale;
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double _x_scale; ///< pixels per frame for the x axis of the pixmap
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double _y_scale;
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bool _move_dragging;
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double _x_offset;
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