1 /***************************************************************************
2 * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
20 #include "customruler.h"
25 #include <KGlobalSettings>
27 #include <QApplication>
28 #include <QMouseEvent>
29 #include <QStylePainter>
31 static const int FIX_WIDTH = 24; /* widget width in pixel */
32 static const int LINE_END = (FIX_WIDTH - 3);
33 static const int END_MARK_LENGTH = (FIX_WIDTH - 8);
34 static const int BIG_MARK_LENGTH = (END_MARK_LENGTH * 3 / 4);
35 static const int BIG_MARK_X2 = LINE_END;
36 static const int BIG_MARK_X1 = (BIG_MARK_X2 - BIG_MARK_LENGTH);
37 static const int MIDDLE_MARK_LENGTH = (END_MARK_LENGTH / 2);
38 static const int MIDDLE_MARK_X2 = LINE_END;
39 static const int MIDDLE_MARK_X1 = (MIDDLE_MARK_X2 - MIDDLE_MARK_LENGTH);
40 static const int LITTLE_MARK_LENGTH = (MIDDLE_MARK_LENGTH / 2);
41 static const int LITTLE_MARK_X2 = LINE_END;
42 static const int LITTLE_MARK_X1 = (LITTLE_MARK_X2 - LITTLE_MARK_LENGTH);
44 static int LABEL_SIZE;
45 static const int END_LABEL_X = 4;
46 static const int END_LABEL_Y = (END_LABEL_X + LABEL_SIZE - 2);
48 static int littleMarkDistance;
49 static int mediumMarkDistance;
50 static int bigMarkDistance;
52 #include "definitions.h"
54 const int CustomRuler::comboScale[] = { 1, 2, 5, 10, 25, 50, 125, 250, 500, 750, 1500, 3000, 6000, 12000};
56 CustomRuler::CustomRuler(Timecode tc, CustomTrackView *parent) :
65 setFont(KGlobalSettings::toolBarFont());
66 QFontMetricsF fontMetrics(font());
67 LABEL_SIZE = fontMetrics.ascent() - 2;
69 m_zoneColor = QColor(133, 255, 143);
70 littleMarkDistance = FRAME_SIZE;
71 mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
72 bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
75 m_contextMenu = new QMenu(this);
76 QAction *addGuide = m_contextMenu->addAction(KIcon("document-new"), i18n("Add Guide"));
77 connect(addGuide, SIGNAL(triggered()), m_view, SLOT(slotAddGuide()));
78 m_editGuide = m_contextMenu->addAction(KIcon("document-properties"), i18n("Edit Guide"));
79 connect(m_editGuide, SIGNAL(triggered()), this, SLOT(slotEditGuide()));
80 m_deleteGuide = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete Guide"));
81 connect(m_deleteGuide , SIGNAL(triggered()), this, SLOT(slotDeleteGuide()));
82 QAction *delAllGuides = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete All Guides"));
83 connect(delAllGuides, SIGNAL(triggered()), m_view, SLOT(slotDeleteAllGuides()));
84 setMouseTracking(true);
88 void CustomRuler::updateProjectFps(Timecode t)
91 mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
92 bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
96 void CustomRuler::slotEditGuide()
98 m_view->slotEditGuide(m_clickedGuide);
101 void CustomRuler::slotDeleteGuide()
103 m_view->slotDeleteGuide(m_clickedGuide);
106 void CustomRuler::setZone(QPoint p)
108 int min = qMin(m_zoneStart, p.x());
109 int max = qMax(m_zoneEnd, p.y());
112 update(min * m_factor - 2, 0, (max - min) * m_factor + 4, height());
115 void CustomRuler::mouseReleaseEvent(QMouseEvent * event)
117 m_mouseMove = NO_MOVE;
121 void CustomRuler::mousePressEvent(QMouseEvent * event)
123 int pos = (int)((event->x() + offset()));
124 if (event->button() == Qt::RightButton) {
125 m_clickedGuide = m_view->hasGuide((int)(pos / m_factor), (int)(5 / m_factor + 1));
126 m_editGuide->setEnabled(m_clickedGuide > 0);
127 m_deleteGuide->setEnabled(m_clickedGuide > 0);
128 m_contextMenu->exec(event->globalPos());
131 setFocus(Qt::MouseFocusReason);
132 m_view->activateMonitor();
133 m_moveCursor = RULER_CURSOR;
134 if (event->y() > 10) {
135 if (qAbs(pos - m_zoneStart * m_factor) < 4) m_moveCursor = RULER_START;
136 else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) m_moveCursor = RULER_MIDDLE;
137 else if (qAbs(pos - m_zoneEnd * m_factor) < 4) m_moveCursor = RULER_END;
139 if (m_moveCursor == RULER_CURSOR) {
140 m_view->setCursorPos((int) pos / m_factor);
141 m_clickPoint = event->pos();
142 m_startRate = m_rate;
147 void CustomRuler::mouseMoveEvent(QMouseEvent * event)
149 if (event->buttons() == Qt::LeftButton) {
150 int pos = (int)((event->x() + offset()) / m_factor);
151 int zoneStart = m_zoneStart;
152 int zoneEnd = m_zoneEnd;
153 if (pos < 0) pos = 0;
154 if (m_moveCursor == RULER_CURSOR) {
155 QPoint diff = event->pos() - m_clickPoint;
156 if (m_mouseMove == NO_MOVE) {
157 if (qAbs(diff.x()) >= QApplication::startDragDistance()) {
158 m_mouseMove = HORIZONTAL_MOVE;
159 } else if (qAbs(diff.y()) >= QApplication::startDragDistance()) {
160 m_mouseMove = VERTICAL_MOVE;
163 if (m_mouseMove == HORIZONTAL_MOVE) {
164 m_view->setCursorPos(pos);
165 m_view->slotCheckPositionScrolling();
167 int verticalDiff = m_startRate - (diff.y()) / 7;
168 if (verticalDiff != m_rate) emit adjustZoom(verticalDiff);
171 } else if (m_moveCursor == RULER_START) m_zoneStart = pos;
172 else if (m_moveCursor == RULER_END) m_zoneEnd = pos;
173 else if (m_moveCursor == RULER_MIDDLE) {
174 int move = pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2);
175 if (move + m_zoneStart < 0) move = - m_zoneStart;
179 emit zoneMoved(m_zoneStart, m_zoneEnd);
180 m_view->setDocumentModified();
182 int min = qMin(m_zoneStart, zoneStart);
183 int max = qMax(m_zoneEnd, zoneEnd);
184 update(min * m_factor - m_offset - 2, 0, (max - min) * m_factor + 4, height());
187 int pos = (int)((event->x() + offset()));
188 if (event->y() <= 10) setCursor(Qt::ArrowCursor);
189 else if (qAbs(pos - m_zoneStart * m_factor) < 4) {
190 setCursor(KCursor("left_side", Qt::SizeHorCursor));
191 setToolTip(i18n("Zone start: %1", m_timecode.getTimecodeFromFrames(m_zoneStart)));
192 } else if (qAbs(pos - m_zoneEnd * m_factor) < 4) {
193 setCursor(KCursor("right_side", Qt::SizeHorCursor));
194 setToolTip(i18n("Zone end: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd)));
195 } else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) {
196 setCursor(Qt::SizeHorCursor);
197 setToolTip(i18n("Zone duration: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
199 setCursor(Qt::ArrowCursor);
200 setToolTip(QString());
207 void CustomRuler::wheelEvent(QWheelEvent * e)
210 if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps();
211 if (e->delta() < 0) delta = 0 - delta;
212 m_view->moveCursorPos(delta);
215 int CustomRuler::inPoint() const
220 int CustomRuler::outPoint() const
225 void CustomRuler::slotMoveRuler(int newPos)
231 int CustomRuler::offset() const
236 void CustomRuler::slotCursorMoved(int oldpos, int newpos)
238 if (qAbs(oldpos - newpos) * m_factor > m_textSpacing) {
239 update(oldpos * m_factor - offset() - 6, 0, 17, height());
240 update(newpos * m_factor - offset() - 6, 0, 17, height());
241 } else update(qMin(oldpos, newpos) * m_factor - offset() - 6, 0, qAbs(oldpos - newpos) * m_factor + 17, height());
244 void CustomRuler::setPixelPerMark(int rate)
246 int scale = comboScale[rate];
248 m_factor = 1.0 / (double) scale * FRAME_SIZE;
249 m_scale = 1.0 / (double) scale;
250 double fend = m_scale * littleMarkDistance;
252 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
253 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 300;
254 } else if (rate > 6) {
255 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 10;
256 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 30;
257 } else if (rate > 3) {
258 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
259 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 5;
261 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
262 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
266 m_textSpacing = fend;
269 m_textSpacing = fend * 5;
274 m_textSpacing = fend * m_timecode.fps();
277 m_textSpacing = fend * m_timecode.fps() * 5;
280 m_textSpacing = fend * m_timecode.fps() * 10;
283 m_textSpacing = fend * m_timecode.fps() * 30;
287 m_textSpacing = fend * m_timecode.fps() * 40;
290 m_textSpacing = fend * m_timecode.fps() * 80;
294 m_textSpacing = fend * m_timecode.fps() * 400;
297 m_textSpacing = fend * m_timecode.fps() * 800;
303 void CustomRuler::setDuration(int d)
305 int oldduration = m_duration;
307 update(qMin(oldduration, m_duration) * m_factor - 1 - offset(), 0, qAbs(oldduration - m_duration) * m_factor + 2, height());
311 void CustomRuler::paintEvent(QPaintEvent *e)
313 QStylePainter p(this);
314 p.setClipRect(e->rect());
315 const int projectEnd = (int)(m_duration * m_factor);
316 p.fillRect(0, 0, projectEnd - m_offset, height(), palette().alternateBase().color());
318 const int zoneStart = (int)(m_zoneStart * m_factor);
319 const int zoneEnd = (int)(m_zoneEnd * m_factor);
320 const QRect zoneRect();
322 p.fillRect(zoneStart - m_offset, height() / 2, zoneEnd - zoneStart, height() / 2, m_zoneColor);
324 const int value = m_view->cursorPos() * m_factor - m_offset;
325 int minval = (e->rect().left() + m_offset) / FRAME_SIZE - 1;
326 const int maxval = (e->rect().right() + m_offset) / FRAME_SIZE + 1;
327 if (minval < 0) minval = 0;
330 const int offsetmax = maxval * FRAME_SIZE;
332 p.setPen(palette().dark().color());
335 int offsetmin = (e->rect().left() + m_offset) / m_textSpacing;
336 offsetmin = offsetmin * m_textSpacing;
337 for (f = offsetmin; f < offsetmax; f += m_textSpacing) {
338 QString lab = m_timecode.getTimecodeFromFrames((int)(f / m_factor + 0.5));
339 p.drawText(f - m_offset + 2, LABEL_SIZE, lab);
342 offsetmin = (e->rect().left() + m_offset) / littleMarkDistance;
343 offsetmin = offsetmin * littleMarkDistance;
344 // draw the little marks
345 fend = m_scale * littleMarkDistance;
346 if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
347 p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
349 offsetmin = (e->rect().left() + m_offset) / mediumMarkDistance;
350 offsetmin = offsetmin * mediumMarkDistance;
352 fend = m_scale * mediumMarkDistance;
353 if (fend > 5) for (f = offsetmin - m_offset - fend; f < offsetmax - m_offset + fend; f += fend)
354 p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
356 offsetmin = (e->rect().left() + m_offset) / bigMarkDistance;
357 offsetmin = offsetmin * bigMarkDistance;
359 fend = m_scale * bigMarkDistance;
360 if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
361 p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2);
367 pa.setPoints(4, zoneStart - off + 3, 9, zoneStart - off, 9, zoneStart - off, 18, zoneStart - off + 3, 18);
372 QColor center(Qt::white);
373 center.setAlpha(150);
374 QRect rec(zoneStart - off + (zoneEnd - zoneStart) / 2 - 4, 9, 8, 9);
375 p.fillRect(rec, center);
379 pa.setPoints(4, zoneEnd - off - 3, 9, zoneEnd - off, 9, zoneEnd - off, 18, zoneEnd - off - 3, 18);
385 pa.setPoints(3, value - 6, 8, value + 6, 8, value, 16);
386 p.setBrush(palette().highlight());
390 #include "customruler.moc"