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 const int LABEL_SIZE = 9;
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) :
62 setFont(KGlobalSettings::toolBarFont());
64 m_zoneColor = QColor(133, 255, 143);
65 littleMarkDistance = FRAME_SIZE;
66 mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
67 bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
70 m_contextMenu = new QMenu(this);
71 QAction *addGuide = m_contextMenu->addAction(KIcon("document-new"), i18n("Add Guide"));
72 connect(addGuide, SIGNAL(triggered()), m_view, SLOT(slotAddGuide()));
73 QAction *editGuide = m_contextMenu->addAction(KIcon("document-properties"), i18n("Edit Guide"));
74 connect(editGuide, SIGNAL(triggered()), m_view, SLOT(slotEditGuide()));
75 QAction *delGuide = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete Guide"));
76 connect(delGuide, SIGNAL(triggered()), m_view, SLOT(slotDeleteGuide()));
77 QAction *delAllGuides = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete All Guides"));
78 connect(delAllGuides, SIGNAL(triggered()), m_view, SLOT(slotDeleteAllGuides()));
79 setMouseTracking(true);
83 void CustomRuler::setZone(QPoint p)
85 int min = qMin(m_zoneStart, p.x());
86 int max = qMax(m_zoneEnd, p.y());
89 update(min * m_factor - 2, 0, (max - min) * m_factor + 4, height());
93 void CustomRuler::mousePressEvent(QMouseEvent * event)
95 if (event->button() == Qt::RightButton) {
96 m_contextMenu->exec(event->globalPos());
99 m_view->activateMonitor();
100 int pos = (int)((event->x() + offset()));
101 m_moveCursor = RULER_CURSOR;
102 if (event->y() > 10) {
103 if (qAbs(pos - m_zoneStart * m_factor) < 4) m_moveCursor = RULER_START;
104 else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) m_moveCursor = RULER_MIDDLE;
105 else if (qAbs(pos - m_zoneEnd * m_factor) < 4) m_moveCursor = RULER_END;
107 if (m_moveCursor == RULER_CURSOR)
108 m_view->setCursorPos((int) pos / m_factor);
112 void CustomRuler::mouseMoveEvent(QMouseEvent * event)
114 if (event->buttons() == Qt::LeftButton) {
115 int pos = (int)((event->x() + offset()) / m_factor);
116 int zoneStart = m_zoneStart;
117 int zoneEnd = m_zoneEnd;
118 if (pos < 0) pos = 0;
119 if (m_moveCursor == RULER_CURSOR) {
120 m_view->setCursorPos(pos);
121 m_view->slotCheckPositionScrolling();
123 } else if (m_moveCursor == RULER_START) m_zoneStart = pos;
124 else if (m_moveCursor == RULER_END) m_zoneEnd = pos;
125 else if (m_moveCursor == RULER_MIDDLE) {
126 int move = pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2);
127 if (move + m_zoneStart < 0) move = - m_zoneStart;
131 emit zoneMoved(m_zoneStart, m_zoneEnd);
132 m_view->setDocumentModified();
134 int min = qMin(m_zoneStart, zoneStart);
135 int max = qMax(m_zoneEnd, zoneEnd);
136 update(min * m_factor - m_offset - 2, 0, (max - min) * m_factor + 4, height());
139 int pos = (int)((event->x() + offset()));
140 if (event->y() <= 10) setCursor(Qt::ArrowCursor);
141 else if (qAbs(pos - m_zoneStart * m_factor) < 4) setCursor(KCursor("left_side", Qt::SizeHorCursor));
142 else if (qAbs(pos - m_zoneEnd * m_factor) < 4) setCursor(KCursor("right_side", Qt::SizeHorCursor));
143 else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) setCursor(Qt::SizeHorCursor);
144 else setCursor(Qt::ArrowCursor);
150 void CustomRuler::wheelEvent(QWheelEvent * e)
153 if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps();
154 if (e->delta() < 0) delta = 0 - delta;
155 m_view->moveCursorPos(delta);
158 int CustomRuler::inPoint() const
163 int CustomRuler::outPoint() const
168 void CustomRuler::slotMoveRuler(int newPos)
174 int CustomRuler::offset() const
179 void CustomRuler::slotCursorMoved(int oldpos, int newpos)
181 if (qAbs(oldpos - newpos) * m_factor > m_textSpacing) {
182 update(oldpos * m_factor - offset() - 6, 0, 17, height());
183 update(newpos * m_factor - offset() - 6, 0, 17, height());
184 } else update(qMin(oldpos, newpos) * m_factor - offset() - 6, 0, qAbs(oldpos - newpos) * m_factor + 17, height());
187 void CustomRuler::setPixelPerMark(double rate)
189 int scale = comboScale[(int) rate];
190 m_factor = 1.0 / (double) scale * FRAME_SIZE;
191 m_scale = 1.0 / (double) scale;
192 double fend = m_scale * littleMarkDistance;
194 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
195 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 300;
196 } else if (rate > 6) {
197 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 10;
198 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 30;
199 } else if (rate > 3) {
200 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
201 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 5;
203 mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
204 bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
206 switch ((int) rate) {
208 m_textSpacing = fend;
211 m_textSpacing = fend * 5;
216 m_textSpacing = fend * m_timecode.fps();
219 m_textSpacing = fend * m_timecode.fps() * 5;
222 m_textSpacing = fend * m_timecode.fps() * 10;
225 m_textSpacing = fend * m_timecode.fps() * 30;
229 m_textSpacing = fend * m_timecode.fps() * 40;
232 m_textSpacing = fend * m_timecode.fps() * 80;
236 m_textSpacing = fend * m_timecode.fps() * 400;
239 m_textSpacing = fend * m_timecode.fps() * 800;
245 void CustomRuler::setDuration(int d)
247 int oldduration = m_duration;
249 update(qMin(oldduration, m_duration) * m_factor - 1 - offset(), 0, qAbs(oldduration - m_duration) * m_factor + 2, height());
253 void CustomRuler::paintEvent(QPaintEvent *e)
255 QStylePainter p(this);
256 p.setClipRect(e->rect());
257 const int projectEnd = (int)(m_duration * m_factor);
258 p.fillRect(0, 0, projectEnd - m_offset, height(), palette().alternateBase().color());
260 const int zoneStart = (int)(m_zoneStart * m_factor);
261 const int zoneEnd = (int)(m_zoneEnd * m_factor);
262 const QRect zoneRect();
264 p.fillRect(zoneStart - m_offset, height() / 2, zoneEnd - zoneStart, height() / 2, m_zoneColor);
266 const int value = m_view->cursorPos() * m_factor - m_offset;
267 int minval = (e->rect().left() + m_offset) / FRAME_SIZE - 1;
268 const int maxval = (e->rect().right() + m_offset) / FRAME_SIZE + 1;
269 if (minval < 0) minval = 0;
272 const int offsetmax = maxval * FRAME_SIZE;
274 p.setPen(palette().dark().color());
277 int offsetmin = (e->rect().left() + m_offset) / m_textSpacing;
278 offsetmin = offsetmin * m_textSpacing;
279 for (f = offsetmin; f < offsetmax; f += m_textSpacing) {
280 QString lab = m_timecode.getTimecodeFromFrames((int)(f / m_factor + 0.5));
282 p.drawText(f - m_offset + 2, LABEL_SIZE, lab);
285 offsetmin = (e->rect().left() + m_offset) / littleMarkDistance;
286 offsetmin = offsetmin * littleMarkDistance;
287 // draw the little marks
288 fend = m_scale * littleMarkDistance;
289 if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
290 p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
292 offsetmin = (e->rect().left() + m_offset) / mediumMarkDistance;
293 offsetmin = offsetmin * mediumMarkDistance;
295 fend = m_scale * mediumMarkDistance;
296 if (fend > 5) for (f = offsetmin - m_offset - fend; f < offsetmax - m_offset + fend; f += fend)
297 p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
299 offsetmin = (e->rect().left() + m_offset) / bigMarkDistance;
300 offsetmin = offsetmin * bigMarkDistance;
302 fend = m_scale * bigMarkDistance;
303 if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
304 p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2);
310 pa.setPoints(4, zoneStart - off + 3, 9, zoneStart - off, 9, zoneStart - off, 18, zoneStart - off + 3, 18);
315 QRect rec(zoneStart - off + (zoneEnd - zoneStart) / 2 - 4, 9, 8, 9);
316 p.fillRect(rec, QColor(255, 255, 255, 150));
320 pa.setPoints(4, zoneEnd - off - 3, 9, zoneEnd - off, 9, zoneEnd - off, 18, zoneEnd - off - 3, 18);
326 pa.setPoints(3, value - 6, 8, value + 6, 8, value, 16);
327 p.setBrush(palette().highlight());
331 #include "customruler.moc"