/* 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 (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. $Id$ */ #include #include #include #include #include "ardour_ui.h" #include "editor.h" #include "waveview.h" #include "simplerect.h" #include "simpleline.h" #include "imageframe.h" #include "waveview_p.h" #include "simplerect_p.h" #include "simpleline_p.h" #include "imageframe_p.h" #include "canvas_impl.h" #include "editing.h" #include "rgb_macros.h" #include "utils.h" #include "time_axis_view.h" #include "audio_time_axis.h" #include "i18n.h" using namespace std; using namespace sigc; using namespace ARDOUR; using namespace PBD; using namespace Gtk; using namespace Glib; using namespace Gtkmm2ext; using namespace Editing; /* XXX this is a hack. it ought to be the maximum value of an nframes_t */ const double max_canvas_coordinate = (double) JACK_MAX_FRAMES; extern "C" { GType gnome_canvas_simpleline_get_type(void); GType gnome_canvas_simplerect_get_type(void); GType gnome_canvas_waveview_get_type(void); GType gnome_canvas_imageframe_get_type(void); } static void ardour_canvas_type_init() { // Map gtypes to gtkmm wrapper-creation functions: Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new); Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new); Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new); Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new); // Register the gtkmm gtypes: (void) Gnome::Canvas::WaveView::get_type(); (void) Gnome::Canvas::SimpleLine::get_type(); (void) Gnome::Canvas::SimpleRect::get_type(); (void) Gnome::Canvas::ImageFrame::get_type(); } void Editor::initialize_canvas () { ArdourCanvas::init (); ardour_canvas_type_init (); /* don't try to center the canvas */ track_canvas.set_center_scroll_region (false); track_canvas.set_dither (Gdk::RGB_DITHER_NONE); track_canvas.signal_event().connect (bind (mem_fun (*this, &Editor::track_canvas_event), (ArdourCanvas::Item*) 0)); track_canvas.set_name ("EditorMainCanvas"); track_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK); track_canvas.signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas)); track_canvas.set_flags (CAN_FOCUS); /* set up drag-n-drop */ vector target_table; // Drag-N-Drop from the region list can generate this target target_table.push_back (TargetEntry ("regions")); target_table.push_back (TargetEntry ("text/plain")); target_table.push_back (TargetEntry ("text/uri-list")); target_table.push_back (TargetEntry ("application/x-rootwin-drop")); track_canvas.drag_dest_set (target_table); track_canvas.signal_drag_data_received().connect (mem_fun(*this, &Editor::track_canvas_drag_data_received)); /* stuff for the verbose canvas cursor */ Pango::FontDescription font = get_font_for_style (N_("VerboseCanvasCursor")); verbose_canvas_cursor = new ArdourCanvas::Text (*track_canvas.root()); verbose_canvas_cursor->property_font_desc() = font; verbose_canvas_cursor->property_anchor() = ANCHOR_NW; verbose_canvas_cursor->property_fill_color_rgba() = color_map[cVerboseCanvasCursor]; verbose_cursor_visible = false; /* a group to hold time (measure) lines */ time_line_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0); cursor_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0); time_canvas.set_name ("EditorTimeCanvas"); time_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK); time_canvas.set_flags (CAN_FOCUS); time_canvas.set_center_scroll_region (false); time_canvas.set_dither (Gdk::RGB_DITHER_NONE); meter_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, 0.0); tempo_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height); marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 2.0); range_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 3.0); transport_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 4.0); tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height); tempo_bar->property_fill_color_rgba() = color_map[cTempoBar]; tempo_bar->property_outline_pixels() = 0; meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height); meter_bar->property_fill_color_rgba() = color_map[cMeterBar]; meter_bar->property_outline_pixels() = 0; marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height); marker_bar->property_fill_color_rgba() = color_map[cMarkerBar]; marker_bar->property_outline_pixels() = 0; range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height); range_marker_bar->property_fill_color_rgba() = color_map[cRangeMarkerBar]; range_marker_bar->property_outline_pixels() = 0; transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height); transport_marker_bar->property_fill_color_rgba() = color_map[cTransportMarkerBar]; transport_marker_bar->property_outline_pixels() = 0; range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height); range_bar_drag_rect->property_fill_color_rgba() = color_map[cRangeDragBarRectFill]; range_bar_drag_rect->property_outline_color_rgba() = color_map[cRangeDragBarRect]; range_bar_drag_rect->property_outline_pixels() = 0; range_bar_drag_rect->hide (); transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height); transport_bar_drag_rect ->property_fill_color_rgba() = color_map[cTransportDragRectFill]; transport_bar_drag_rect->property_outline_color_rgba() = color_map[cTransportDragRect]; transport_bar_drag_rect->property_outline_pixels() = 0; transport_bar_drag_rect->hide (); marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0)); marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0)); marker_drag_line = new ArdourCanvas::Line (*track_canvas.root()); marker_drag_line->property_width_pixels() = 1; marker_drag_line->property_fill_color_rgba() = color_map[cMarkerDragLine]; marker_drag_line->property_points() = marker_drag_line_points; marker_drag_line->hide(); range_marker_drag_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0); range_marker_drag_rect->property_fill_color_rgba() = color_map[cRangeDragRectFill]; range_marker_drag_rect->property_outline_color_rgba() = color_map[cRangeDragRect]; range_marker_drag_rect->hide (); transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0); transport_loop_range_rect->property_fill_color_rgba() = color_map[cTransportLoopRectFill]; transport_loop_range_rect->property_outline_color_rgba() = color_map[cTransportLoopRect]; transport_loop_range_rect->property_outline_pixels() = 1; transport_loop_range_rect->hide(); transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0); transport_punch_range_rect->property_fill_color_rgba() = color_map[cTransportPunchRectFill]; transport_punch_range_rect->property_outline_color_rgba() = color_map[cTransportPunchRect]; transport_punch_range_rect->property_outline_pixels() = 0; transport_punch_range_rect->hide(); transport_loop_range_rect->lower_to_bottom (); // loop on the bottom transport_punchin_line = new ArdourCanvas::SimpleLine (*time_line_group); transport_punchin_line->property_x1() = 0.0; transport_punchin_line->property_y1() = 0.0; transport_punchin_line->property_x2() = 0.0; transport_punchin_line->property_y2() = 0.0; transport_punchin_line->property_color_rgba() = color_map[cPunchInLine]; transport_punchin_line->hide (); transport_punchout_line = new ArdourCanvas::SimpleLine (*time_line_group); transport_punchout_line->property_x1() = 0.0; transport_punchout_line->property_y1() = 0.0; transport_punchout_line->property_x2() = 0.0; transport_punchout_line->property_y2() = 0.0; transport_punchout_line->property_color_rgba() = color_map[cPunchOutLine]; transport_punchout_line->hide(); // used to show zoom mode active zooming zoom_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0); zoom_rect->property_fill_color_rgba() = color_map[cZoomRectFill]; zoom_rect->property_outline_color_rgba() = color_map[cZoomRect]; zoom_rect->property_outline_pixels() = 1; zoom_rect->hide(); zoom_rect->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0)); // used as rubberband rect rubberband_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0); rubberband_rect->property_outline_color_rgba() = color_map[cRubberBandRect]; rubberband_rect->property_fill_color_rgba() = (guint32) color_map[cRubberBandRectFill]; rubberband_rect->property_outline_pixels() = 1; rubberband_rect->hide(); tempo_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar)); meter_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar)); marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar)); range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar)); transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar)); /* separator lines */ tempo_line = new ArdourCanvas::SimpleLine (*tempo_group, 0, timebar_height, max_canvas_coordinate, timebar_height); tempo_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255); meter_line = new ArdourCanvas::SimpleLine (*meter_group, 0, timebar_height, max_canvas_coordinate, timebar_height); meter_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255); marker_line = new ArdourCanvas::SimpleLine (*marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height); marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255); range_marker_line = new ArdourCanvas::SimpleLine (*range_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height); range_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255); transport_marker_line = new ArdourCanvas::SimpleLine (*transport_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height); transport_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255); ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_loop_range_view), false)); ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_punch_range_view), false)); double time_height = timebar_height * 5; double time_width = FLT_MAX/frames_per_unit; time_canvas.set_scroll_region(0.0, 0.0, time_width, time_height); edit_cursor = new Cursor (*this, "blue", &Editor::canvas_edit_cursor_event); playhead_cursor = new Cursor (*this, "red", &Editor::canvas_playhead_cursor_event); initial_ruler_update_required = true; track_canvas.signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate)); } void Editor::track_canvas_allocate (Gtk::Allocation alloc) { canvas_allocation = alloc; if (!initial_ruler_update_required) { if (!canvas_idle_queued) { /* call this first so that we do stuff before any pending redraw */ Glib::signal_idle().connect (mem_fun (*this, &Editor::track_canvas_size_allocated), false); canvas_idle_queued = true; } return; } initial_ruler_update_required = false; track_canvas_size_allocated (); } bool Editor::track_canvas_size_allocated () { if (canvas_idle_queued) { canvas_idle_queued = false; } canvas_width = canvas_allocation.get_width(); canvas_height = canvas_allocation.get_height(); full_canvas_height = canvas_height; if (session) { TrackViewList::iterator i; double height = 0; for (i = track_views.begin(); i != track_views.end(); ++i) { if ((*i)->control_parent) { height += (*i)->effective_height; height += track_spacing; } } if (height) { height -= track_spacing; } full_canvas_height = height; } zoom_range_clock.set ((nframes_t) floor ((canvas_width * frames_per_unit))); edit_cursor->set_position (edit_cursor->current_frame); playhead_cursor->set_position (playhead_cursor->current_frame); reset_hscrollbar_stepping (); reset_scrolling_region (); if (edit_cursor) edit_cursor->set_length (canvas_height); if (playhead_cursor) playhead_cursor->set_length (canvas_height); if (marker_drag_line) { marker_drag_line_points.back().set_y(canvas_height); marker_drag_line->property_points() = marker_drag_line_points; } if (range_marker_drag_rect) { range_marker_drag_rect->property_y1() = 0.0; range_marker_drag_rect->property_y2() = canvas_height; } if (transport_loop_range_rect) { transport_loop_range_rect->property_y1() = 0.0; transport_loop_range_rect->property_y2() = canvas_height; } if (transport_punch_range_rect) { transport_punch_range_rect->property_y1() = 0.0; transport_punch_range_rect->property_y2() = canvas_height; } if (transport_punchin_line) { transport_punchin_line->property_y1() = 0.0; transport_punchin_line->property_y2() = canvas_height; } if (transport_punchout_line) { transport_punchout_line->property_y1() = 0.0; transport_punchout_line->property_y2() = canvas_height; } update_fixed_rulers(); tempo_map_changed (Change (0), true); Resized (); /* EMIT_SIGNAL */ return false; } void Editor::reset_scrolling_region (Gtk::Allocation* alloc) { TreeModel::Children rows = route_display_model->children(); TreeModel::Children::iterator i; double pos; for (pos = 0, i = rows.begin(); i != rows.end(); ++i) { TimeAxisView *tv = (*i)[route_display_columns.tv]; if (tv != 0 && !tv->hidden()) { pos += tv->effective_height; pos += track_spacing; } } double last_canvas_unit = last_canvas_frame / frames_per_unit; track_canvas.set_scroll_region (0.0, 0.0, max (last_canvas_unit, canvas_width), pos); // XXX what is the correct height value for the time canvas ? this overstates it time_canvas.set_scroll_region ( 0.0, 0.0, max (last_canvas_unit, canvas_width), canvas_height); controls_layout.queue_resize(); } void Editor::controls_layout_size_request (Requisition* req) { TreeModel::Children rows = route_display_model->children(); TreeModel::Children::iterator i; double pos; for (pos = 0, i = rows.begin(); i != rows.end(); ++i) { TimeAxisView *tv = (*i)[route_display_columns.tv]; if (tv != 0) { pos += tv->effective_height; pos += track_spacing; } } RefPtr screen = get_screen(); if (!screen) { screen = Gdk::Screen::get_default(); } /* never let the width of the controls area shrink horizontally */ edit_controls_vbox.check_resize(); req->width = max (edit_controls_vbox.get_width(), controls_layout.get_width()); /* don't get too big. the fudge factors here are just guesses */ req->width = min (req->width, screen->get_width() - 300); req->height = min ((gint) pos, (screen->get_height() - 400)); /* this one is important: it determines how big the layout thinks it really is, as opposed to what it displays on the screen */ controls_layout.set_size (req->width, (gint) pos); } bool Editor::track_canvas_map_handler (GdkEventAny* ev) { track_canvas.get_window()->set_cursor (*current_canvas_cursor); return false; } bool Editor::time_canvas_map_handler (GdkEventAny* ev) { time_canvas.get_window()->set_cursor (*timebar_cursor); return false; } void Editor::track_canvas_drag_data_received (const RefPtr& context, int x, int y, const SelectionData& data, guint info, guint time) { if (data.get_target() == "regions") { drop_regions (context, x, y, data, info, time); } else { drop_paths (context, x, y, data, info, time); } } void Editor::drop_paths (const RefPtr& context, int x, int y, const SelectionData& data, guint info, guint time) { TimeAxisView* tvp; AudioTimeAxisView* tv; double cy; vector paths; string spath; GdkEvent ev; nframes_t frame; if (convert_drop_to_paths (paths, context, x, y, data, info, time)) { goto out; } /* D-n-D coordinates are window-relative, so convert to "world" coordinates */ double wx; double wy; track_canvas.window_to_world (x, y, wx, wy); wx += horizontal_adjustment.get_value(); wy += vertical_adjustment.get_value(); ev.type = GDK_BUTTON_RELEASE; ev.button.x = wx; ev.button.y = wy; frame = event_frame (&ev, 0, &cy); snap_to (frame); if ((tvp = trackview_by_y_position (cy)) == 0) { /* drop onto canvas background: create new tracks */ nframes_t pos = 0; do_embed (paths, false, ImportAsTrack, 0, pos, false); } else if ((tv = dynamic_cast(tvp)) != 0) { /* check that its an audio track, not a bus */ if (tv->get_diskstream()) { do_embed (paths, false, ImportToTrack, tv->audio_track(), frame, true); } } out: context->drag_finish (true, false, time); } void Editor::drop_regions (const RefPtr& context, int x, int y, const SelectionData& data, guint info, guint time) { const SerializedObjectPointers >* sr = reinterpret_cast > *> (data.get_data()); for (uint32_t i = 0; i < sr->cnt; ++i) { boost::shared_ptr r = sr->data[i]; boost::shared_ptr ar; if ((ar = boost::dynamic_pointer_cast(r)) != 0) { insert_region_list_drag (ar, x, y); } } context->drag_finish (true, false, time); } void Editor::maybe_autoscroll (GdkEvent* event) { nframes_t rightmost_frame = leftmost_frame + current_page_frames(); nframes_t frame = drag_info.current_pointer_frame; bool startit = false; static int last_autoscroll_direction = 0; if (frame > rightmost_frame) { if (rightmost_frame < max_frames) { autoscroll_direction = 1; startit = true; } } else if (frame < leftmost_frame) { if (leftmost_frame > 0) { autoscroll_direction = -1; startit = true; } } else { if (drag_info.last_pointer_frame > drag_info.current_pointer_frame) { autoscroll_direction = -1; } else { autoscroll_direction = 1; } } if ((autoscroll_direction != last_autoscroll_direction) || (leftmost_frame < frame < rightmost_frame)) { stop_canvas_autoscroll (); } if (startit && autoscroll_timeout_tag < 0) { start_canvas_autoscroll (autoscroll_direction); } last_autoscroll_direction = autoscroll_direction; } gint Editor::_autoscroll_canvas (void *arg) { return ((Editor *) arg)->autoscroll_canvas (); } bool Editor::autoscroll_canvas () { nframes_t new_frame; nframes_t limit = max_frames - current_page_frames(); GdkEventMotion ev; nframes_t target_frame; if (autoscroll_direction < 0) { if (leftmost_frame < autoscroll_distance) { new_frame = 0; } else { new_frame = leftmost_frame - autoscroll_distance; } target_frame = drag_info.current_pointer_frame - autoscroll_distance; } else { if (leftmost_frame > limit - autoscroll_distance) { new_frame = limit; } else { new_frame = leftmost_frame + autoscroll_distance; } target_frame = drag_info.current_pointer_frame + autoscroll_distance; } /* now fake a motion event to get the object that is being dragged to move too */ ev.type = GDK_MOTION_NOTIFY; ev.state &= Gdk::BUTTON1_MASK; ev.x = frame_to_unit (target_frame); ev.y = drag_info.current_pointer_y; motion_handler (drag_info.item, (GdkEvent*) &ev, drag_info.item_type, true); if (new_frame == 0 || new_frame == limit) { /* we are done */ return false; } autoscroll_cnt++; if (autoscroll_cnt == 1) { /* connect the timeout so that we get called repeatedly */ autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this); return false; } if (new_frame != leftmost_frame) { reset_x_origin (new_frame); } if (autoscroll_cnt == 50) { /* 0.5 seconds */ /* after about a while, speed up a bit by changing the timeout interval */ autoscroll_distance = (nframes_t) floor (current_page_frames()/30.0f); } else if (autoscroll_cnt == 150) { /* 1.0 seconds */ autoscroll_distance = (nframes_t) floor (current_page_frames()/20.0f); } else if (autoscroll_cnt == 300) { /* 1.5 seconds */ /* after about another while, speed up by increasing the shift per callback */ autoscroll_distance = (nframes_t) floor (current_page_frames()/10.0f); } return true; } void Editor::start_canvas_autoscroll (int dir) { if (!session || autoscroll_active) { return; } stop_canvas_autoscroll (); autoscroll_active = true; autoscroll_direction = dir; autoscroll_distance = (nframes_t) floor (current_page_frames()/50.0); autoscroll_cnt = 0; /* do it right now, which will start the repeated callbacks */ autoscroll_canvas (); } void Editor::stop_canvas_autoscroll () { if (autoscroll_timeout_tag >= 0) { g_source_remove (autoscroll_timeout_tag); autoscroll_timeout_tag = -1; } autoscroll_active = false; } gint Editor::left_track_canvas (GdkEventCrossing *ev) { set_entered_track (0); set_entered_regionview (0); return FALSE; }