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"
21 #include "kdenlivesettings.h"
26 #include <KGlobalSettings>
27 #include <KColorScheme>
29 #include <QApplication>
30 #include <QMouseEvent>
31 #include <QStylePainter>
33 static int MAX_HEIGHT;
34 // Width of a frame in pixels
35 static int FRAME_SIZE;
36 // Height of the timecode text
37 static int LABEL_SIZE;
39 static int BIG_MARK_X;
40 static int MIDDLE_MARK_X;
41 static int LITTLE_MARK_X;
43 static int littleMarkDistance;
44 static int mediumMarkDistance;
45 static int bigMarkDistance;
47 #define SEEK_INACTIVE (-1)
49 #include "definitions.h"
51 const int CustomRuler::comboScale[] = { 1, 2, 5, 10, 25, 50, 125, 250, 500, 750, 1500, 3000, 6000, 12000};
53 CustomRuler::CustomRuler(Timecode tc, CustomTrackView *parent) :
63 setFont(KGlobalSettings::toolBarFont());
64 QFontMetricsF fontMetrics(font());
65 // Define size variables
66 LABEL_SIZE = fontMetrics.ascent();
67 setMinimumHeight(LABEL_SIZE * 2);
68 setMaximumHeight(LABEL_SIZE * 2);
69 MAX_HEIGHT = height();
70 BIG_MARK_X = LABEL_SIZE + 1;
71 int mark_length = MAX_HEIGHT - BIG_MARK_X;
72 MIDDLE_MARK_X = BIG_MARK_X + mark_length / 2;
73 LITTLE_MARK_X = BIG_MARK_X + mark_length / 3;
76 m_zoneColor = KStatefulBrush(KColorScheme::View, KColorScheme::PositiveBackground, KSharedConfig::openConfig(KdenliveSettings::colortheme())).brush(this).color();
79 m_contextMenu = new QMenu(this);
80 QAction *addGuide = m_contextMenu->addAction(KIcon("document-new"), i18n("Add Guide"));
81 connect(addGuide, SIGNAL(triggered()), m_view, SLOT(slotAddGuide()));
82 m_editGuide = m_contextMenu->addAction(KIcon("document-properties"), i18n("Edit Guide"));
83 connect(m_editGuide, SIGNAL(triggered()), this, SLOT(slotEditGuide()));
84 m_deleteGuide = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete Guide"));
85 connect(m_deleteGuide , SIGNAL(triggered()), this, SLOT(slotDeleteGuide()));
86 QAction *delAllGuides = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete All Guides"));
87 connect(delAllGuides, SIGNAL(triggered()), m_view, SLOT(slotDeleteAllGuides()));
88 m_goMenu = m_contextMenu->addMenu(i18n("Go To"));
89 connect(m_goMenu, SIGNAL(triggered(QAction *)), this, SLOT(slotGoToGuide(QAction *)));
90 setMouseTracking(true);
93 void CustomRuler::updatePalette()
95 m_zoneColor = KStatefulBrush(KColorScheme::View, KColorScheme::PositiveBackground, KSharedConfig::openConfig(KdenliveSettings::colortheme())).brush(this).color();
98 void CustomRuler::updateProjectFps(Timecode t)
101 mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
102 bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
106 void CustomRuler::updateFrameSize()
108 FRAME_SIZE = m_view->getFrameWidth();
109 littleMarkDistance = FRAME_SIZE;
110 mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
111 bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
112 updateProjectFps(m_timecode);
113 if (m_rate > 0) setPixelPerMark(m_rate);
116 void CustomRuler::slotEditGuide()
118 m_view->slotEditGuide(m_clickedGuide);
121 void CustomRuler::slotDeleteGuide()
123 m_view->slotDeleteGuide(m_clickedGuide);
126 void CustomRuler::slotGoToGuide(QAction *act)
128 m_view->seekCursorPos(act->data().toInt());
129 m_view->initCursorPos(act->data().toInt());
132 void CustomRuler::setZone(QPoint p)
139 void CustomRuler::mouseReleaseEvent(QMouseEvent * /*event*/)
141 if (m_moveCursor == RULER_START || m_moveCursor == RULER_END || m_moveCursor == RULER_MIDDLE) {
142 emit zoneMoved(m_zoneStart, m_zoneEnd);
143 m_view->setDocumentModified();
145 m_mouseMove = NO_MOVE;
150 void CustomRuler::mousePressEvent(QMouseEvent * event)
152 int pos = (int)((event->x() + offset()));
153 if (event->button() == Qt::RightButton) {
154 m_clickedGuide = m_view->hasGuide((int)(pos / m_factor), (int)(5 / m_factor + 1));
155 m_editGuide->setEnabled(m_clickedGuide > 0);
156 m_deleteGuide->setEnabled(m_clickedGuide > 0);
157 m_view->buildGuidesMenu(m_goMenu);
158 m_contextMenu->exec(event->globalPos());
161 setFocus(Qt::MouseFocusReason);
162 m_view->activateMonitor();
163 m_moveCursor = RULER_CURSOR;
164 if (event->y() > 10) {
165 if (qAbs(pos - m_zoneStart * m_factor) < 4) m_moveCursor = RULER_START;
166 else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) m_moveCursor = RULER_MIDDLE;
167 else if (qAbs(pos - m_zoneEnd * m_factor) < 4) m_moveCursor = RULER_END;
168 m_view->updateSnapPoints(NULL);
170 if (m_moveCursor == RULER_CURSOR) {
171 m_view->seekCursorPos((int) pos / m_factor);
172 m_clickPoint = event->pos();
173 m_startRate = m_rate;
178 void CustomRuler::mouseMoveEvent(QMouseEvent * event)
180 if (event->buttons() == Qt::LeftButton) {
182 if (m_moveCursor == RULER_START || m_moveCursor == RULER_END) {
183 pos = m_view->getSnapPointForPos((int)((event->x() + offset()) / m_factor));
184 } else pos = (int)((event->x() + offset()) / m_factor);
185 int zoneStart = m_zoneStart;
186 int zoneEnd = m_zoneEnd;
187 if (pos < 0) pos = 0;
188 if (m_moveCursor == RULER_CURSOR) {
189 QPoint diff = event->pos() - m_clickPoint;
190 if (m_mouseMove == NO_MOVE) {
191 if (!KdenliveSettings::verticalzoom() || qAbs(diff.x()) >= QApplication::startDragDistance()) {
192 m_mouseMove = HORIZONTAL_MOVE;
193 } else if (qAbs(diff.y()) >= QApplication::startDragDistance()) {
194 m_mouseMove = VERTICAL_MOVE;
197 if (m_mouseMove == HORIZONTAL_MOVE) {
198 m_view->seekCursorPos(pos);
199 m_view->slotCheckPositionScrolling();
201 int verticalDiff = m_startRate - (diff.y()) / 7;
202 if (verticalDiff != m_rate) emit adjustZoom(verticalDiff);
205 } else if (m_moveCursor == RULER_START) m_zoneStart = pos;
206 else if (m_moveCursor == RULER_END) m_zoneEnd = pos;
207 else if (m_moveCursor == RULER_MIDDLE) {
208 int move = pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2);
209 if (move + m_zoneStart < 0) move = - m_zoneStart;
214 int min = qMin(m_zoneStart, zoneStart);
215 int max = qMax(m_zoneEnd, zoneEnd);
216 update(min * m_factor - m_offset - 2, 0, (max - min) * m_factor + 4, height());
219 int pos = (int)((event->x() + offset()));
220 if (event->y() <= 10) setCursor(Qt::ArrowCursor);
221 else if (qAbs(pos - m_zoneStart * m_factor) < 4) {
222 setCursor(KCursor("left_side", Qt::SizeHorCursor));
223 if (KdenliveSettings::frametimecode()) setToolTip(i18n("Zone start: %1", m_zoneStart));
224 else setToolTip(i18n("Zone start: %1", m_timecode.getTimecodeFromFrames(m_zoneStart)));
225 } else if (qAbs(pos - m_zoneEnd * m_factor) < 4) {
226 setCursor(KCursor("right_side", Qt::SizeHorCursor));
227 if (KdenliveSettings::frametimecode()) setToolTip(i18n("Zone end: %1", m_zoneEnd));
228 else setToolTip(i18n("Zone end: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd)));
229 } else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) {
230 setCursor(Qt::SizeHorCursor);
231 if (KdenliveSettings::frametimecode()) setToolTip(i18n("Zone duration: %1", m_zoneEnd - m_zoneStart));
232 else setToolTip(i18n("Zone duration: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
234 setCursor(Qt::ArrowCursor);
235 if (KdenliveSettings::frametimecode()) setToolTip(i18n("Position: %1", (int)(pos / m_factor)));
236 else setToolTip(i18n("Position: %1", m_timecode.getTimecodeFromFrames(pos / m_factor)));
243 void CustomRuler::wheelEvent(QWheelEvent * e)
246 if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps();
247 if (e->delta() < 0) delta = 0 - delta;
248 m_view->moveCursorPos(delta);
251 int CustomRuler::inPoint() const
256 int CustomRuler::outPoint() const
261 void CustomRuler::slotMoveRuler(int newPos)
267 int CustomRuler::offset() const
272 void CustomRuler::slotCursorMoved(int oldpos, int newpos)
274 if (qAbs(oldpos - newpos) * m_factor > m_textSpacing) {
275 update(oldpos * m_factor - offset() - 6, BIG_MARK_X, 14, MAX_HEIGHT - BIG_MARK_X);
276 update(newpos * m_factor - offset() - 6, BIG_MARK_X, 14, MAX_HEIGHT - BIG_MARK_X);
277 } else update(qMin(oldpos, newpos) * m_factor - offset() - 6, BIG_MARK_X, qAbs(oldpos - newpos) * m_factor + 14, MAX_HEIGHT - BIG_MARK_X);
280 void CustomRuler::setPixelPerMark(int rate)
282 int scale = comboScale[rate];
284 m_factor = 1.0 / (double) scale * FRAME_SIZE;
285 m_scale = 1.0 / (double) scale;
286 double fend = m_scale * littleMarkDistance;
288 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
289 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 300;
290 } else if (rate > 6) {
291 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 10;
292 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 30;
293 } else if (rate > 3) {
294 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
295 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 5;
297 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
298 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
302 m_textSpacing = fend;
305 m_textSpacing = fend * 5;
310 m_textSpacing = fend * m_timecode.fps();
313 m_textSpacing = fend * m_timecode.fps() * 5;
316 m_textSpacing = fend * m_timecode.fps() * 10;
319 m_textSpacing = fend * m_timecode.fps() * 30;
323 m_textSpacing = fend * m_timecode.fps() * 40;
326 m_textSpacing = fend * m_timecode.fps() * 80;
330 m_textSpacing = fend * m_timecode.fps() * 400;
333 m_textSpacing = fend * m_timecode.fps() * 800;
339 void CustomRuler::setDuration(int d)
341 int oldduration = m_duration;
343 update(qMin(oldduration, m_duration) * m_factor - 1 - offset(), 0, qAbs(oldduration - m_duration) * m_factor + 2, height());
347 void CustomRuler::paintEvent(QPaintEvent *e)
349 QStylePainter p(this);
350 p.setClipRect(e->rect());
353 //p.fillRect(0, 0, m_duration * m_factor - m_offset, MAX_HEIGHT, palette().alternateBase().color());
355 // Draw zone background
356 const int zoneStart = (int)(m_zoneStart * m_factor);
357 const int zoneEnd = (int)(m_zoneEnd * m_factor);
358 p.fillRect(zoneStart - m_offset, LABEL_SIZE + 2, zoneEnd - zoneStart, MAX_HEIGHT - LABEL_SIZE - 2, m_zoneColor);
360 int minval = (e->rect().left() + m_offset) / FRAME_SIZE - 1;
361 const int maxval = (e->rect().right() + m_offset) / FRAME_SIZE + 1;
366 const int offsetmax = maxval * FRAME_SIZE;
369 p.setPen(palette().text().color());
372 if (e->rect().y() < LABEL_SIZE) {
373 offsetmin = (e->rect().left() + m_offset) / m_textSpacing;
374 offsetmin = offsetmin * m_textSpacing;
375 for (f = offsetmin; f < offsetmax; f += m_textSpacing) {
377 if (KdenliveSettings::frametimecode())
378 lab = QString::number((int)(f / m_factor + 0.5));
380 lab = m_timecode.getTimecodeFromFrames((int)(f / m_factor + 0.5));
381 p.drawText(f - m_offset + 2, LABEL_SIZE, lab);
385 offsetmin = (e->rect().left() + m_offset) / littleMarkDistance;
386 offsetmin = offsetmin * littleMarkDistance;
387 // draw the little marks
388 fend = m_scale * littleMarkDistance;
390 for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
391 p.drawLine((int)f, LITTLE_MARK_X, (int)f, MAX_HEIGHT);
394 offsetmin = (e->rect().left() + m_offset) / mediumMarkDistance;
395 offsetmin = offsetmin * mediumMarkDistance;
397 fend = m_scale * mediumMarkDistance;
399 for (f = offsetmin - m_offset - fend; f < offsetmax - m_offset + fend; f += fend)
400 p.drawLine((int)f, MIDDLE_MARK_X, (int)f, MAX_HEIGHT);
403 offsetmin = (e->rect().left() + m_offset) / bigMarkDistance;
404 offsetmin = offsetmin * bigMarkDistance;
406 fend = m_scale * bigMarkDistance;
408 for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
409 p.drawLine((int)f, BIG_MARK_X, (int)f, MAX_HEIGHT);
415 pa.setPoints(4, zoneStart - m_offset + 3, LABEL_SIZE + 2, zoneStart - m_offset, LABEL_SIZE + 2, zoneStart - m_offset, MAX_HEIGHT - 1, zoneStart - m_offset + 3, MAX_HEIGHT - 1);
420 QColor center(Qt::white);
421 center.setAlpha(150);
422 QRect rec(zoneStart - m_offset + (zoneEnd - zoneStart) / 2 - 4, LABEL_SIZE + 2, 8, MAX_HEIGHT - LABEL_SIZE - 3);
423 p.fillRect(rec, center);
427 pa.setPoints(4, zoneEnd - m_offset - 3, LABEL_SIZE + 2, zoneEnd - m_offset, LABEL_SIZE + 2, zoneEnd - m_offset, MAX_HEIGHT - 1, zoneEnd - m_offset - 3, MAX_HEIGHT - 1);
432 int pos = m_view->seekPosition();
433 if (pos != SEEK_INACTIVE) {
434 pos = pos * m_factor - m_offset;
435 p.fillRect(pos - 1, 0, 3, height(), palette().highlight());
438 const int value = m_view->cursorPos() * m_factor - m_offset;
440 pa.setPoints(3, value - 6, BIG_MARK_X, value + 6, BIG_MARK_X, value, MAX_HEIGHT - 1);
441 p.setBrush(palette().highlight());
445 #include "customruler.moc"