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 <QMouseEvent>
28 #include <QStylePainter>
30 static const int FIX_WIDTH = 24; /* widget width in pixel */
31 static const int LINE_END = (FIX_WIDTH - 3);
32 static const int END_MARK_LENGTH = (FIX_WIDTH - 8);
33 static const int BIG_MARK_LENGTH = (END_MARK_LENGTH * 3 / 4);
34 static const int BIG_MARK_X2 = LINE_END;
35 static const int BIG_MARK_X1 = (BIG_MARK_X2 - BIG_MARK_LENGTH);
36 static const int MIDDLE_MARK_LENGTH = (END_MARK_LENGTH / 2);
37 static const int MIDDLE_MARK_X2 = LINE_END;
38 static const int MIDDLE_MARK_X1 = (MIDDLE_MARK_X2 - MIDDLE_MARK_LENGTH);
39 static const int LITTLE_MARK_LENGTH = (MIDDLE_MARK_LENGTH / 2);
40 static const int LITTLE_MARK_X2 = LINE_END;
41 static const int LITTLE_MARK_X1 = (LITTLE_MARK_X2 - LITTLE_MARK_LENGTH);
43 static int LABEL_SIZE;
44 static const int END_LABEL_X = 4;
45 static const int END_LABEL_Y = (END_LABEL_X + LABEL_SIZE - 2);
47 static int littleMarkDistance;
48 static int mediumMarkDistance;
49 static int bigMarkDistance;
51 #include "definitions.h"
53 const int CustomRuler::comboScale[] = { 1, 2, 5, 10, 25, 50, 125, 250, 500, 750, 1500, 3000, 6000, 12000};
55 CustomRuler::CustomRuler(Timecode tc, CustomTrackView *parent) :
63 setFont(KGlobalSettings::toolBarFont());
64 QFontMetricsF fontMetrics(font());
65 LABEL_SIZE = fontMetrics.ascent ();
67 m_zoneColor = QColor(133, 255, 143);
68 littleMarkDistance = FRAME_SIZE;
69 mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
70 bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
73 m_contextMenu = new QMenu(this);
74 QAction *addGuide = m_contextMenu->addAction(KIcon("document-new"), i18n("Add Guide"));
75 connect(addGuide, SIGNAL(triggered()), m_view, SLOT(slotAddGuide()));
76 m_editGuide = m_contextMenu->addAction(KIcon("document-properties"), i18n("Edit Guide"));
77 connect(m_editGuide, SIGNAL(triggered()), this, SLOT(slotEditGuide()));
78 m_deleteGuide = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete Guide"));
79 connect(m_deleteGuide , SIGNAL(triggered()), this, SLOT(slotDeleteGuide()));
80 QAction *delAllGuides = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete All Guides"));
81 connect(delAllGuides, SIGNAL(triggered()), m_view, SLOT(slotDeleteAllGuides()));
82 setMouseTracking(true);
86 void CustomRuler::updateProjectFps(Timecode t)
89 mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
90 bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
94 void CustomRuler::slotEditGuide()
96 m_view->slotEditGuide(m_clickedGuide);
99 void CustomRuler::slotDeleteGuide()
101 m_view->slotDeleteGuide(m_clickedGuide);
104 void CustomRuler::setZone(QPoint p)
106 int min = qMin(m_zoneStart, p.x());
107 int max = qMax(m_zoneEnd, p.y());
110 update(min * m_factor - 2, 0, (max - min) * m_factor + 4, height());
114 void CustomRuler::mousePressEvent(QMouseEvent * event)
116 int pos = (int)((event->x() + offset()));
117 if (event->button() == Qt::RightButton) {
118 m_clickedGuide = m_view->hasGuide((int)(pos / m_factor), (int)(5 / m_factor + 1));
119 m_editGuide->setEnabled(m_clickedGuide > 0);
120 m_deleteGuide->setEnabled(m_clickedGuide > 0);
121 m_contextMenu->exec(event->globalPos());
124 setFocus(Qt::MouseFocusReason);
125 m_view->activateMonitor();
126 m_moveCursor = RULER_CURSOR;
127 if (event->y() > 10) {
128 if (qAbs(pos - m_zoneStart * m_factor) < 4) m_moveCursor = RULER_START;
129 else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) m_moveCursor = RULER_MIDDLE;
130 else if (qAbs(pos - m_zoneEnd * m_factor) < 4) m_moveCursor = RULER_END;
132 if (m_moveCursor == RULER_CURSOR)
133 m_view->setCursorPos((int) pos / m_factor);
137 void CustomRuler::mouseMoveEvent(QMouseEvent * event)
139 if (event->buttons() == Qt::LeftButton) {
140 int pos = (int)((event->x() + offset()) / m_factor);
141 int zoneStart = m_zoneStart;
142 int zoneEnd = m_zoneEnd;
143 if (pos < 0) pos = 0;
144 if (m_moveCursor == RULER_CURSOR) {
145 m_view->setCursorPos(pos);
146 m_view->slotCheckPositionScrolling();
148 } else if (m_moveCursor == RULER_START) m_zoneStart = pos;
149 else if (m_moveCursor == RULER_END) m_zoneEnd = pos;
150 else if (m_moveCursor == RULER_MIDDLE) {
151 int move = pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2);
152 if (move + m_zoneStart < 0) move = - m_zoneStart;
156 emit zoneMoved(m_zoneStart, m_zoneEnd);
157 m_view->setDocumentModified();
159 int min = qMin(m_zoneStart, zoneStart);
160 int max = qMax(m_zoneEnd, zoneEnd);
161 update(min * m_factor - m_offset - 2, 0, (max - min) * m_factor + 4, height());
164 int pos = (int)((event->x() + offset()));
165 if (event->y() <= 10) setCursor(Qt::ArrowCursor);
166 else if (qAbs(pos - m_zoneStart * m_factor) < 4) {
167 setCursor(KCursor("left_side", Qt::SizeHorCursor));
168 setToolTip(i18n("Zone start: %1", m_timecode.getTimecodeFromFrames(m_zoneStart)));
169 } else if (qAbs(pos - m_zoneEnd * m_factor) < 4) {
170 setCursor(KCursor("right_side", Qt::SizeHorCursor));
171 setToolTip(i18n("Zone end: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd)));
172 } else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) {
173 setCursor(Qt::SizeHorCursor);
174 setToolTip(i18n("Zone duration: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
176 setCursor(Qt::ArrowCursor);
177 setToolTip(QString());
184 void CustomRuler::wheelEvent(QWheelEvent * e)
187 if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps();
188 if (e->delta() < 0) delta = 0 - delta;
189 m_view->moveCursorPos(delta);
192 int CustomRuler::inPoint() const
197 int CustomRuler::outPoint() const
202 void CustomRuler::slotMoveRuler(int newPos)
208 int CustomRuler::offset() const
213 void CustomRuler::slotCursorMoved(int oldpos, int newpos)
215 if (qAbs(oldpos - newpos) * m_factor > m_textSpacing) {
216 update(oldpos * m_factor - offset() - 6, 0, 17, height());
217 update(newpos * m_factor - offset() - 6, 0, 17, height());
218 } else update(qMin(oldpos, newpos) * m_factor - offset() - 6, 0, qAbs(oldpos - newpos) * m_factor + 17, height());
221 void CustomRuler::setPixelPerMark(double rate)
223 int scale = comboScale[(int) rate];
224 m_factor = 1.0 / (double) scale * FRAME_SIZE;
225 m_scale = 1.0 / (double) scale;
226 double fend = m_scale * littleMarkDistance;
228 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
229 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 300;
230 } else if (rate > 6) {
231 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 10;
232 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 30;
233 } else if (rate > 3) {
234 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
235 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 5;
237 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
238 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
240 switch ((int) rate) {
242 m_textSpacing = fend;
245 m_textSpacing = fend * 5;
250 m_textSpacing = fend * m_timecode.fps();
253 m_textSpacing = fend * m_timecode.fps() * 5;
256 m_textSpacing = fend * m_timecode.fps() * 10;
259 m_textSpacing = fend * m_timecode.fps() * 30;
263 m_textSpacing = fend * m_timecode.fps() * 40;
266 m_textSpacing = fend * m_timecode.fps() * 80;
270 m_textSpacing = fend * m_timecode.fps() * 400;
273 m_textSpacing = fend * m_timecode.fps() * 800;
279 void CustomRuler::setDuration(int d)
281 int oldduration = m_duration;
283 update(qMin(oldduration, m_duration) * m_factor - 1 - offset(), 0, qAbs(oldduration - m_duration) * m_factor + 2, height());
287 void CustomRuler::paintEvent(QPaintEvent *e)
289 QStylePainter p(this);
290 p.setClipRect(e->rect());
291 const int projectEnd = (int)(m_duration * m_factor);
292 p.fillRect(0, 0, projectEnd - m_offset, height(), palette().alternateBase().color());
294 const int zoneStart = (int)(m_zoneStart * m_factor);
295 const int zoneEnd = (int)(m_zoneEnd * m_factor);
296 const QRect zoneRect();
298 p.fillRect(zoneStart - m_offset, height() / 2, zoneEnd - zoneStart, height() / 2, m_zoneColor);
300 const int value = m_view->cursorPos() * m_factor - m_offset;
301 int minval = (e->rect().left() + m_offset) / FRAME_SIZE - 1;
302 const int maxval = (e->rect().right() + m_offset) / FRAME_SIZE + 1;
303 if (minval < 0) minval = 0;
306 const int offsetmax = maxval * FRAME_SIZE;
308 p.setPen(palette().dark().color());
311 int offsetmin = (e->rect().left() + m_offset) / m_textSpacing;
312 offsetmin = offsetmin * m_textSpacing;
313 for (f = offsetmin; f < offsetmax; f += m_textSpacing) {
314 QString lab = m_timecode.getTimecodeFromFrames((int)(f / m_factor + 0.5));
315 p.drawText(f - m_offset + 2, LABEL_SIZE, lab);
318 offsetmin = (e->rect().left() + m_offset) / littleMarkDistance;
319 offsetmin = offsetmin * littleMarkDistance;
320 // draw the little marks
321 fend = m_scale * littleMarkDistance;
322 if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
323 p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
325 offsetmin = (e->rect().left() + m_offset) / mediumMarkDistance;
326 offsetmin = offsetmin * mediumMarkDistance;
328 fend = m_scale * mediumMarkDistance;
329 if (fend > 5) for (f = offsetmin - m_offset - fend; f < offsetmax - m_offset + fend; f += fend)
330 p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
332 offsetmin = (e->rect().left() + m_offset) / bigMarkDistance;
333 offsetmin = offsetmin * bigMarkDistance;
335 fend = m_scale * bigMarkDistance;
336 if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
337 p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2);
343 pa.setPoints(4, zoneStart - off + 3, 9, zoneStart - off, 9, zoneStart - off, 18, zoneStart - off + 3, 18);
348 QColor center(Qt::white);
349 center.setAlpha(150);
350 QRect rec(zoneStart - off + (zoneEnd - zoneStart) / 2 - 4, 9, 8, 9);
351 p.fillRect(rec, center);
355 pa.setPoints(4, zoneEnd - off - 3, 9, zoneEnd - off, 9, zoneEnd - off, 18, zoneEnd - off - 3, 18);
361 pa.setPoints(3, value - 6, 8, value + 6, 8, value, 16);
362 p.setBrush(palette().highlight());
366 #include "customruler.moc"