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diff --git a/src/gui/editors/segment/segmentcanvas/SegmentPencil.cpp b/src/gui/editors/segment/segmentcanvas/SegmentPencil.cpp
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+ Rosegarden
+ A MIDI and audio sequencer and musical notation editor.
+
+ This program is Copyright 2000-2008
+ Guillaume Laurent <glaurent@telegraph-road.org>,
+ Chris Cannam <cannam@all-day-breakfast.com>,
+ Richard Bown <richard.bown@ferventsoftware.com>
+
+ The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+ Bown to claim authorship of this work have been asserted.
+
+ Other copyrights also apply to some parts of this work. Please
+ see the AUTHORS file and individual file headers for details.
+
+ 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. See the file
+ COPYING included with this distribution for more information.
+*/
+
+
+#include "SegmentPencil.h"
+
+#include "misc/Debug.h"
+#include "misc/Strings.h"
+#include "gui/general/ClefIndex.h"
+#include "base/NotationTypes.h"
+#include "base/Segment.h"
+#include "base/SnapGrid.h"
+#include "base/Track.h"
+#include "commands/segment/SegmentInsertCommand.h"
+#include "CompositionItemHelper.h"
+#include "CompositionView.h"
+#include "document/RosegardenGUIDoc.h"
+#include "gui/general/BaseTool.h"
+#include "gui/general/GUIPalette.h"
+#include "gui/general/RosegardenCanvasView.h"
+#include "SegmentTool.h"
+#include <kcommand.h>
+#include <klocale.h>
+#include <qcursor.h>
+#include <qevent.h>
+#include <qpoint.h>
+#include <qrect.h>
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+SegmentPencil::SegmentPencil(CompositionView *c, RosegardenGUIDoc *d)
+ : SegmentTool(c, d),
+ m_newRect(false),
+ m_track(0),
+ m_startTime(0),
+ m_endTime(0)
+{
+ RG_DEBUG << "SegmentPencil()\n";
+}
+
+void SegmentPencil::ready()
+{
+ m_canvas->viewport()->setCursor(Qt::ibeamCursor);
+ connect(m_canvas, SIGNAL(contentsMoving (int, int)),
+ this, SLOT(slotCanvasScrolled(int, int)));
+ setContextHelpFor(QPoint(0, 0));
+}
+
+void SegmentPencil::stow()
+{
+ disconnect(m_canvas, SIGNAL(contentsMoving (int, int)),
+ this, SLOT(slotCanvasScrolled(int, int)));
+}
+
+void SegmentPencil::slotCanvasScrolled(int newX, int newY)
+{
+ QMouseEvent tmpEvent(QEvent::MouseMove,
+ m_canvas->viewport()->mapFromGlobal(QCursor::pos()) + QPoint(newX, newY),
+ Qt::NoButton, Qt::NoButton);
+ handleMouseMove(&tmpEvent);
+}
+
+void SegmentPencil::handleMouseButtonPress(QMouseEvent *e)
+{
+ if (e->button() == RightButton)
+ return;
+
+ // is user holding Ctrl+Alt? (ugly, but we are running short on available
+ // modifiers; Alt is grabbed by the window manager, and right clicking, my
+ // (dmm) original idea, is grabbed by the context menu, so let's see how
+ // this goes over
+ bool pencilAnyway = (m_canvas->pencilOverExisting());
+
+ m_newRect = false;
+
+ // Check if mouse click was on a rect
+ //
+ CompositionItem item = m_canvas->getFirstItemAt(e->pos());
+
+ // If user clicked a rect, and pencilAnyway is false, then there's nothing
+ // left to do here
+ if (item) {
+ delete item;
+ if (!pencilAnyway) return ;
+ }
+
+ // make new item
+ //
+ m_canvas->setSnapGrain(false);
+
+ int trackPosition = m_canvas->grid().getYBin(e->pos().y());
+
+ // Don't do anything if the user clicked beyond the track buttons
+ //
+ if (trackPosition >= m_doc->getComposition().getNbTracks())
+ return ;
+
+ Track *t = m_doc->getComposition().getTrackByPosition(trackPosition);
+ if (!t)
+ return ;
+
+ TrackId trackId = t->getId();
+
+ timeT time = int(nearbyint(m_canvas->grid().snapX(e->pos().x(), SnapGrid::SnapLeft)));
+ timeT duration = int(nearbyint(m_canvas->grid().getSnapTime(double(e->pos().x()))));
+ if (duration == 0)
+ duration = Note(Note::Shortest).getDuration();
+
+ int multiple = m_doc->getComposition()
+ .getMaxContemporaneousSegmentsOnTrack(trackId);
+ if (multiple < 1) multiple = 1;
+
+ QRect tmpRect;
+ tmpRect.setX(int(nearbyint(m_canvas->grid().getRulerScale()->getXForTime(time))));
+ tmpRect.setY(m_canvas->grid().getYBinCoordinate(trackPosition) + 1);
+ tmpRect.setHeight(m_canvas->grid().getYSnap() * multiple - 2);
+ tmpRect.setWidth(int(nearbyint(m_canvas->grid().getRulerScale()->getWidthForDuration(time, duration))));
+
+ m_canvas->setTmpRect(tmpRect,
+ GUIPalette::convertColour
+ (m_doc->getComposition().getSegmentColourMap().
+ getColourByIndex(t->getColor())));
+
+ m_newRect = true;
+ m_origPos = e->pos();
+
+ m_canvas->updateContents(tmpRect);
+}
+
+void SegmentPencil::handleMouseButtonRelease(QMouseEvent* e)
+{
+ if (e->button() == RightButton)
+ return ;
+
+ setContextHelpFor(e->pos());
+
+ if (m_newRect) {
+
+ QRect tmpRect = m_canvas->getTmpRect();
+
+ int trackPosition = m_canvas->grid().getYBin(tmpRect.y());
+ Track *track = m_doc->getComposition().getTrackByPosition(trackPosition);
+ timeT startTime = int(nearbyint(m_canvas->grid().getRulerScale()->getTimeForX(tmpRect.x()))),
+ endTime = int(nearbyint(m_canvas->grid().getRulerScale()->getTimeForX(tmpRect.x() + tmpRect.width())));
+
+ // RG_DEBUG << "SegmentPencil::handleMouseButtonRelease() : new segment with track id "
+ // << track->getId() << endl;
+
+ SegmentInsertCommand *command =
+ new SegmentInsertCommand(m_doc, track->getId(),
+ startTime, endTime);
+
+ m_newRect = false;
+
+ addCommandToHistory(command);
+
+ // add the SegmentItem by hand, instead of allowing the usual
+ // update mechanism to spot it. This way we can select the
+ // segment as we add it; otherwise we'd have no way to know
+ // that the segment was created by this tool rather than by
+ // e.g. a simple file load
+
+ Segment *segment = command->getSegment();
+
+ // add a clef to the start of the segment (tracks initialize to a
+ // default of 0 for this property, so treble will be the default if it
+ // is not specified elsewhere)
+ segment->insert(clefIndexToClef(track->getClef()).getAsEvent
+ (segment->getStartTime()));
+ segment->setTranspose(track->getTranspose());
+ segment->setColourIndex(track->getColor());
+ segment->setLowestPlayable(track->getLowestPlayable());
+ segment->setHighestPlayable(track->getHighestPlayable());
+
+ std::string label = qstrtostr(track->getPresetLabel());
+ if (label != "") {
+ segment->setLabel(qstrtostr(track->getPresetLabel()));
+ }
+
+ CompositionItem item = CompositionItemHelper::makeCompositionItem(segment);
+ m_canvas->getModel()->clearSelected();
+ m_canvas->getModel()->setSelected(item);
+ m_canvas->getModel()->signalSelection();
+ m_canvas->setTmpRect(QRect());
+ m_canvas->slotUpdateSegmentsDrawBuffer();
+
+ } else {
+
+ m_newRect = false;
+ }
+}
+
+int SegmentPencil::handleMouseMove(QMouseEvent *e)
+{
+ if (!m_newRect) {
+ setContextHelpFor(e->pos());
+ return RosegardenCanvasView::NoFollow;
+ }
+
+ if (!m_canvas->isFineGrain()) {
+ setContextHelp(i18n("Hold Shift to avoid snapping to bar lines"));
+ } else {
+ clearContextHelp();
+ }
+
+ QRect tmpRect = m_canvas->getTmpRect();
+ QRect oldTmpRect = tmpRect;
+
+ m_canvas->setSnapGrain(false);
+
+ SnapGrid::SnapDirection direction = SnapGrid::SnapRight;
+ if (e->pos().x() <= m_origPos.x())
+ direction = SnapGrid::SnapLeft;
+
+ timeT snap = int(nearbyint(m_canvas->grid().getSnapTime(double(e->pos().x()))));
+ if (snap == 0)
+ snap = Note(Note::Shortest).getDuration();
+
+ timeT time = int(nearbyint(m_canvas->grid().snapX(e->pos().x(), direction)));
+
+ timeT startTime = int(nearbyint(m_canvas->grid().getRulerScale()->getTimeForX(tmpRect.x())));
+ timeT endTime = int(nearbyint(m_canvas->grid().getRulerScale()->getTimeForX(tmpRect.x() + tmpRect.width())));
+
+ if (direction == SnapGrid::SnapRight) {
+
+ if (time >= startTime) {
+ if ((time - startTime) < snap) {
+ time = startTime + snap;
+ }
+ } else {
+ if ((startTime - time) < snap) {
+ time = startTime - snap;
+ }
+ }
+
+ int w = int(nearbyint(m_canvas->grid().getRulerScale()->getWidthForDuration(startTime, time - startTime)));
+ tmpRect.setWidth(w);
+
+ } else { // SnapGrid::SnapLeft
+
+ // time += std::max(endTime - startTime, timeT(0));
+ tmpRect.setX(int(m_canvas->grid().getRulerScale()->getXForTime(time)));
+
+ }
+
+ m_canvas->setTmpRect(tmpRect);
+ return RosegardenCanvasView::FollowHorizontal;
+}
+
+void SegmentPencil::setContextHelpFor(QPoint p)
+{
+ int trackPosition = m_canvas->grid().getYBin(p.y());
+
+ if (trackPosition < m_doc->getComposition().getNbTracks()) {
+ Track *t = m_doc->getComposition().getTrackByPosition(trackPosition);
+ if (t) {
+ InstrumentId id = t->getInstrument();
+ if (id >= AudioInstrumentBase && id < MidiInstrumentBase) {
+ setContextHelp(i18n("Record or drop audio here"));
+ return;
+ }
+ }
+ }
+
+ setContextHelp(i18n("Click and drag to draw an empty segment. Control+Alt click and drag to draw in overlap mode."));
+}
+
+const QString SegmentPencil::ToolName = "segmentpencil";
+
+}
+#include "SegmentPencil.moc"
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