/*************************************************************************** * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) * * * * 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., * * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * ***************************************************************************/ #include "customruler.h" #include <KDebug> #include <KIcon> #include <KCursor> #include <KGlobalSettings> #include <QMouseEvent> #include <QStylePainter> static const int FIX_WIDTH = 24; /* widget width in pixel */ static const int LINE_END = (FIX_WIDTH - 3); static const int END_MARK_LENGTH = (FIX_WIDTH - 8); static const int BIG_MARK_LENGTH = (END_MARK_LENGTH * 3 / 4); static const int BIG_MARK_X2 = LINE_END; static const int BIG_MARK_X1 = (BIG_MARK_X2 - BIG_MARK_LENGTH); static const int MIDDLE_MARK_LENGTH = (END_MARK_LENGTH / 2); static const int MIDDLE_MARK_X2 = LINE_END; static const int MIDDLE_MARK_X1 = (MIDDLE_MARK_X2 - MIDDLE_MARK_LENGTH); static const int LITTLE_MARK_LENGTH = (MIDDLE_MARK_LENGTH / 2); static const int LITTLE_MARK_X2 = LINE_END; static const int LITTLE_MARK_X1 = (LITTLE_MARK_X2 - LITTLE_MARK_LENGTH); static const int LABEL_SIZE = 9; static const int END_LABEL_X = 4; static const int END_LABEL_Y = (END_LABEL_X + LABEL_SIZE - 2); static int littleMarkDistance; static int mediumMarkDistance; static int bigMarkDistance; #include "definitions.h" const int CustomRuler::comboScale[] = { 1, 2, 5, 10, 25, 50, 125, 250, 500, 750, 1500, 3000, 6000, 12000}; CustomRuler::CustomRuler(Timecode tc, CustomTrackView *parent) : QWidget(parent), m_timecode(tc), m_view(parent), m_duration(0), m_offset(0) { setFont(KGlobalSettings::toolBarFont()); m_scale = 3; m_zoneColor = QColor(133, 255, 143); littleMarkDistance = FRAME_SIZE; mediumMarkDistance = FRAME_SIZE * m_timecode.fps(); bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60; m_zoneStart = 0; m_zoneEnd = 100; m_contextMenu = new QMenu(this); QAction *addGuide = m_contextMenu->addAction(KIcon("document-new"), i18n("Add Guide")); connect(addGuide, SIGNAL(triggered()), m_view, SLOT(slotAddGuide())); QAction *editGuide = m_contextMenu->addAction(KIcon("document-properties"), i18n("Edit Guide")); connect(editGuide, SIGNAL(triggered()), m_view, SLOT(slotEditGuide())); QAction *delGuide = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete Guide")); connect(delGuide, SIGNAL(triggered()), m_view, SLOT(slotDeleteGuide())); QAction *delAllGuides = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete All Guides")); connect(delAllGuides, SIGNAL(triggered()), m_view, SLOT(slotDeleteAllGuides())); setMouseTracking(true); setMinimumHeight(20); } void CustomRuler::setZone(QPoint p) { int min = qMin(m_zoneStart, p.x()); int max = qMax(m_zoneEnd, p.y()); m_zoneStart = p.x(); m_zoneEnd = p.y(); update(min * m_factor - 2, 0, (max - min) * m_factor + 4, height()); } // virtual void CustomRuler::mousePressEvent(QMouseEvent * event) { if (event->button() == Qt::RightButton) { m_contextMenu->exec(event->globalPos()); return; } m_view->activateMonitor(); int pos = (int)((event->x() + offset())); m_moveCursor = RULER_CURSOR; if (event->y() > 10) { if (qAbs(pos - m_zoneStart * m_factor) < 4) m_moveCursor = RULER_START; else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) m_moveCursor = RULER_MIDDLE; else if (qAbs(pos - m_zoneEnd * m_factor) < 4) m_moveCursor = RULER_END; } if (m_moveCursor == RULER_CURSOR) m_view->setCursorPos((int) pos / m_factor); } // virtual void CustomRuler::mouseMoveEvent(QMouseEvent * event) { if (event->buttons() == Qt::LeftButton) { int pos = (int)((event->x() + offset()) / m_factor); int zoneStart = m_zoneStart; int zoneEnd = m_zoneEnd; if (pos < 0) pos = 0; if (m_moveCursor == RULER_CURSOR) { m_view->setCursorPos(pos); m_view->slotCheckPositionScrolling(); return; } else if (m_moveCursor == RULER_START) m_zoneStart = pos; else if (m_moveCursor == RULER_END) m_zoneEnd = pos; else if (m_moveCursor == RULER_MIDDLE) { int move = pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2); if (move + m_zoneStart < 0) move = - m_zoneStart; m_zoneStart += move; m_zoneEnd += move; } emit zoneMoved(m_zoneStart, m_zoneEnd); m_view->setDocumentModified(); int min = qMin(m_zoneStart, zoneStart); int max = qMax(m_zoneEnd, zoneEnd); update(min * m_factor - m_offset - 2, 0, (max - min) * m_factor + 4, height()); } else { int pos = (int)((event->x() + offset())); if (event->y() <= 10) setCursor(Qt::ArrowCursor); else if (qAbs(pos - m_zoneStart * m_factor) < 4) setCursor(KCursor("left_side", Qt::SizeHorCursor)); else if (qAbs(pos - m_zoneEnd * m_factor) < 4) setCursor(KCursor("right_side", Qt::SizeHorCursor)); else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) setCursor(Qt::SizeHorCursor); else setCursor(Qt::ArrowCursor); } } // virtual void CustomRuler::wheelEvent(QWheelEvent * e) { int delta = 1; if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps(); if (e->delta() < 0) delta = 0 - delta; m_view->moveCursorPos(delta); } int CustomRuler::inPoint() const { return m_zoneStart; } int CustomRuler::outPoint() const { return m_zoneEnd; } void CustomRuler::slotMoveRuler(int newPos) { m_offset = newPos; update(); } int CustomRuler::offset() const { return m_offset; } void CustomRuler::slotCursorMoved(int oldpos, int newpos) { if (qAbs(oldpos - newpos) * m_factor > m_textSpacing) { update(oldpos * m_factor - offset() - 6, 0, 17, height()); update(newpos * m_factor - offset() - 6, 0, 17, height()); } else update(qMin(oldpos, newpos) * m_factor - offset() - 6, 0, qAbs(oldpos - newpos) * m_factor + 17, height()); } void CustomRuler::setPixelPerMark(double rate) { int scale = comboScale[(int) rate]; m_factor = 1.0 / (double) scale * FRAME_SIZE; m_scale = 1.0 / (double) scale; double fend = m_scale * littleMarkDistance; if (rate > 8) { mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60; bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 300; } else if (rate > 6) { mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 10; bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 30; } else if (rate > 3) { mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps(); bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 5; } else { mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps(); bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60; } switch ((int) rate) { case 0: m_textSpacing = fend; break; case 1: m_textSpacing = fend * 5; break; case 2: case 3: case 4: m_textSpacing = fend * m_timecode.fps(); break; case 5: m_textSpacing = fend * m_timecode.fps() * 5; break; case 6: m_textSpacing = fend * m_timecode.fps() * 10; break; case 7: m_textSpacing = fend * m_timecode.fps() * 30; break; case 8: case 9: m_textSpacing = fend * m_timecode.fps() * 40; break; case 10: m_textSpacing = fend * m_timecode.fps() * 80; break; case 11: case 12: m_textSpacing = fend * m_timecode.fps() * 400; break; case 13: m_textSpacing = fend * m_timecode.fps() * 800; break; } update(); } void CustomRuler::setDuration(int d) { int oldduration = m_duration; m_duration = d; update(qMin(oldduration, m_duration) * m_factor - 1 - offset(), 0, qAbs(oldduration - m_duration) * m_factor + 2, height()); } // virtual void CustomRuler::paintEvent(QPaintEvent *e) { QStylePainter p(this); p.setClipRect(e->rect()); const int projectEnd = (int)(m_duration * m_factor); p.fillRect(0, 0, projectEnd - m_offset, height(), palette().alternateBase().color()); const int zoneStart = (int)(m_zoneStart * m_factor); const int zoneEnd = (int)(m_zoneEnd * m_factor); const QRect zoneRect(); p.fillRect(zoneStart - m_offset, height() / 2, zoneEnd - zoneStart, height() / 2, m_zoneColor); const int value = m_view->cursorPos() * m_factor - m_offset; int minval = (e->rect().left() + m_offset) / FRAME_SIZE - 1; const int maxval = (e->rect().right() + m_offset) / FRAME_SIZE + 1; if (minval < 0) minval = 0; double f, fend; const int offsetmax = maxval * FRAME_SIZE; p.setPen(palette().dark().color()); // draw time labels int offsetmin = (e->rect().left() + m_offset) / m_textSpacing; offsetmin = offsetmin * m_textSpacing; for (f = offsetmin; f < offsetmax; f += m_textSpacing) { QString lab = m_timecode.getTimecodeFromFrames((int)(f / m_factor + 0.5)); p.drawText(f - m_offset + 2, LABEL_SIZE, lab); } offsetmin = (e->rect().left() + m_offset) / littleMarkDistance; offsetmin = offsetmin * littleMarkDistance; // draw the little marks fend = m_scale * littleMarkDistance; if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend) p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2); offsetmin = (e->rect().left() + m_offset) / mediumMarkDistance; offsetmin = offsetmin * mediumMarkDistance; // draw medium marks fend = m_scale * mediumMarkDistance; if (fend > 5) for (f = offsetmin - m_offset - fend; f < offsetmax - m_offset + fend; f += fend) p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2); offsetmin = (e->rect().left() + m_offset) / bigMarkDistance; offsetmin = offsetmin * bigMarkDistance; // draw big marks fend = m_scale * bigMarkDistance; if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend) p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2); // draw zone cursors int off = offset(); if (zoneStart > 0) { QPolygon pa(4); pa.setPoints(4, zoneStart - off + 3, 9, zoneStart - off, 9, zoneStart - off, 18, zoneStart - off + 3, 18); p.drawPolyline(pa); } if (zoneEnd > 0) { QRect rec(zoneStart - off + (zoneEnd - zoneStart) / 2 - 4, 9, 8, 9); p.fillRect(rec, QColor(255, 255, 255, 150)); p.drawRect(rec); QPolygon pa(4); pa.setPoints(4, zoneEnd - off - 3, 9, zoneEnd - off, 9, zoneEnd - off, 18, zoneEnd - off - 3, 18); p.drawPolyline(pa); } // draw pointer QPolygon pa(3); pa.setPoints(3, value - 6, 8, value + 6, 8, value, 16); p.setBrush(palette().highlight()); p.drawPolygon(pa); } #include "customruler.moc"