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 <QMouseEvent>
21 #include <QStylePainter>
26 #include "customruler.h"
30 #define INIT_MIN_VALUE 0
31 #define INIT_MAX_VALUE 100
32 #define INIT_TINY_MARK_DISTANCE 1
33 #define INIT_LITTLE_MARK_DISTANCE 5
34 #define INIT_MIDDLE_MARK_DISTANCE (INIT_LITTLE_MARK_DISTANCE * 2)
35 #define INIT_BIG_MARK_DISTANCE (INIT_LITTLE_MARK_DISTANCE * 10)
36 #define INIT_SHOW_TINY_MARK false
37 #define INIT_SHOW_LITTLE_MARK true
38 #define INIT_SHOW_MEDIUM_MARK true
39 #define INIT_SHOW_BIG_MARK true
40 #define INIT_SHOW_END_MARK true
41 #define INIT_SHOW_POINTER true
42 #define INIT_SHOW_END_LABEL true
44 #define INIT_PIXEL_PER_MARK (double)10.0 /* distance between 2 base marks in pixel */
45 #define INIT_OFFSET (-20)
46 #define INIT_LENGTH_FIX true
47 #define INIT_END_OFFSET 0
49 #define FIX_WIDTH 20 /* widget width in pixel */
50 #define LINE_END (FIX_WIDTH - 3)
51 #define END_MARK_LENGTH (FIX_WIDTH - 6)
52 #define END_MARK_X2 LINE_END
53 #define END_MARK_X1 (END_MARK_X2 - END_MARK_LENGTH)
54 #define BIG_MARK_LENGTH (END_MARK_LENGTH*3/4)
55 #define BIG_MARK_X2 LINE_END
56 #define BIG_MARK_X1 (BIG_MARK_X2 - BIG_MARK_LENGTH)
57 #define MIDDLE_MARK_LENGTH (END_MARK_LENGTH/2)
58 #define MIDDLE_MARK_X2 LINE_END
59 #define MIDDLE_MARK_X1 (MIDDLE_MARK_X2 - MIDDLE_MARK_LENGTH)
60 #define LITTLE_MARK_LENGTH (MIDDLE_MARK_LENGTH/2)
61 #define LITTLE_MARK_X2 LINE_END
62 #define LITTLE_MARK_X1 (LITTLE_MARK_X2 - LITTLE_MARK_LENGTH)
63 #define BASE_MARK_LENGTH (LITTLE_MARK_LENGTH/2)
64 #define BASE_MARK_X2 LINE_END
65 #define BASE_MARK_X1 (BASE_MARK_X2 - 3) //BASE_MARK_LENGTH
69 #define END_LABEL_Y (END_LABEL_X + LABEL_SIZE - 2)
71 #include "definitions.h"
73 const int CustomRuler::comboScale[] =
74 { 1, 2, 5, 10, 25, 50, 125, 250, 500, 725, 1500, 3000, 6000,
77 CustomRuler::CustomRuler(Timecode tc, QWidget *parent)
78 : KRuler(parent), m_timecode(tc)
81 setRulerMetricStyle(KRuler::Pixel);
85 setLittleMarkDistance (FRAME_SIZE);
86 setMediumMarkDistance (FRAME_SIZE * 25);
87 setBigMarkDistance (FRAME_SIZE * 25 * 60);
91 void CustomRuler::mousePressEvent ( QMouseEvent * event )
94 slotMoveCursor( pos, true );
98 void CustomRuler::mouseMoveEvent ( QMouseEvent * event )
100 int pos = event->x();
101 slotMoveCursor( pos, true );
104 void CustomRuler::slotMoveRuler(int newPos)
106 int diff = offset() - newPos;
107 KRuler::slotNewOffset(newPos);
108 KRuler::slotNewValue(value() + diff);
111 void CustomRuler::slotMoveCursor( int _value, bool emitSignal )
113 KRuler::slotNewValue(_value );
114 m_cursorPosition= (_value + offset()) / pixelPerMark();
115 if (emitSignal) emit cursorMoved(m_cursorPosition / FRAME_SIZE);
119 void CustomRuler::slotNewValue ( int _value, bool emitSignal )
121 m_cursorPosition= _value / pixelPerMark();
122 if (emitSignal) emit cursorMoved(m_cursorPosition / FRAME_SIZE);
123 KRuler::slotNewValue(_value * pixelPerMark() - offset());
126 void CustomRuler::setPixelPerMark (double rate)
128 int scale = comboScale[(int) rate];
129 int newPos = m_cursorPosition * (1.0 / scale);
130 KRuler::setPixelPerMark(1.0 / scale);
131 KRuler::slotNewValue( newPos );
135 void CustomRuler::paintEvent(QPaintEvent * /*e*/)
137 // debug ("KRuler::drawContents, %s",(horizontal==dir)?"horizontal":"vertical");
139 QStylePainter p(this);
142 int value = this->value();
143 int minval = minimum();
144 int maxval = maximum() + offset() - endOffset();
146 //ioffsetval = value-offset;
147 // pixelpm = (int)ppm;
148 // left = clip.left(),
149 // right = clip.right();
151 offsetmin=(double)(minval-offset()),
152 offsetmax=(double)(maxval-offset()),
153 fontOffset = (((double)minval)>offsetmin)?(double)minval:offsetmin;
154 QRect bg = QRect(offsetmin, 0, offsetmax, height());
157 //p.fillRect(bg, palette.light());
159 QFont font = p.font();
160 font.setPointSize(LABEL_SIZE);
162 p.setPen(palette.dark().color());
163 // draw littlemarklabel
165 // draw mediummarklabel
171 if (d->dir == Qt::Horizontal) {
172 p.translate( fontOffset, 0 );
173 p.drawText( END_LABEL_X, END_LABEL_Y, d->endlabel );
176 // draw the tiny marks
177 //if (showTinyMarks())
179 fend = pixelPerMark()*tinyMarkDistance();
180 if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
181 p.drawLine((int)f, BASE_MARK_X1, (int)f, BASE_MARK_X2);
184 if (showLittleMarks()) {
185 // draw the little marks
186 fend = pixelPerMark()*littleMarkDistance();
187 if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
188 p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
190 QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5));
191 p.drawText( (int)f + 2, LABEL_SIZE, lab );
195 if (showMediumMarks()) {
197 fend = pixelPerMark()*mediumMarkDistance();
198 if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
199 p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
201 QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5) );
202 p.drawText( (int)f + 2, LABEL_SIZE, lab );
206 if (showBigMarks()) {
208 fend = pixelPerMark()*bigMarkDistance();
209 if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
210 p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2);
212 QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5) );
213 p.drawText( (int)f + 2, LABEL_SIZE, lab );
215 else if (((int) (f - offsetmin)) % ((int)(fend * 5)) == 0) {
216 QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5) );
217 p.drawText( (int)f + 2, LABEL_SIZE, lab );
223 if (d->dir == Qt::Horizontal) {
224 p.drawLine(minval-d->offset, END_MARK_X1, minval-d->offset, END_MARK_X2);
225 p.drawLine(maxval-d->offset, END_MARK_X1, maxval-d->offset, END_MARK_X2);
228 p.drawLine(END_MARK_X1, minval-d->offset, END_MARK_X2, minval-d->offset);
229 p.drawLine(END_MARK_X1, maxval-d->offset, END_MARK_X2, maxval-d->offset);
234 if (showPointer() && value > 0) {
236 pa.setPoints(3, value-6, 9, value+6, 9, value/*+0*/, 16);
237 p.setBrush( QBrush(Qt::yellow) );
243 #include "customruler.moc"