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[] = { 1, 2, 5, 10, 25, 50, 125, 250, 500, 725, 1500, 3000, 6000,
77 CustomRuler::CustomRuler(Timecode tc, CustomTrackView *parent)
78 : KRuler(parent), m_timecode(tc), m_view(parent) {
80 setRulerMetricStyle(KRuler::Pixel);
84 setLittleMarkDistance(FRAME_SIZE);
85 setMediumMarkDistance(FRAME_SIZE * 25);
86 setBigMarkDistance(FRAME_SIZE * 25 * 60);
90 void CustomRuler::mousePressEvent(QMouseEvent * event) {
91 int pos = (event->x() + offset());
92 m_view->setCursorPos(pos);
96 void CustomRuler::mouseMoveEvent(QMouseEvent * event) {
97 int pos = (event->x() + offset());
98 m_view->setCursorPos(pos);
101 void CustomRuler::slotMoveRuler(int newPos) {
102 int diff = offset() - newPos;
103 KRuler::slotNewOffset(newPos);
106 void CustomRuler::slotCursorMoved(int oldpos, int newpos) {
107 //TODO: optimize (redraw only around cursor positions
111 void CustomRuler::setPixelPerMark(double rate) {
112 int scale = comboScale[(int) rate];
113 KRuler::setPixelPerMark(1.0 / scale);
117 void CustomRuler::paintEvent(QPaintEvent * /*e*/) {
118 // debug ("KRuler::drawContents, %s",(horizontal==dir)?"horizontal":"vertical");
120 QStylePainter p(this);
122 int value = m_view->cursorPos() - offset();
123 int minval = minimum();
124 int maxval = maximum() + offset() - endOffset();
126 //ioffsetval = value-offset;
127 // pixelpm = (int)ppm;
128 // left = clip.left(),
129 // right = clip.right();
131 offsetmin = (double)(minval - offset()),
132 offsetmax = (double)(maxval - offset()),
133 fontOffset = (((double)minval) > offsetmin) ? (double)minval : offsetmin;
134 QRect bg = QRect(offsetmin, 0, offsetmax, height());
137 //p.fillRect(bg, palette.light());
139 QFont font = p.font();
140 font.setPointSize(LABEL_SIZE);
142 p.setPen(palette.dark().color());
143 // draw littlemarklabel
145 // draw mediummarklabel
151 if (d->dir == Qt::Horizontal) {
152 p.translate( fontOffset, 0 );
153 p.drawText( END_LABEL_X, END_LABEL_Y, d->endlabel );
156 // draw the tiny marks
157 //if (showTinyMarks())
159 fend = pixelPerMark()*tinyMarkDistance();
160 if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
161 p.drawLine((int)f, BASE_MARK_X1, (int)f, BASE_MARK_X2);
164 if (showLittleMarks()) {
165 // draw the little marks
166 fend = pixelPerMark() * littleMarkDistance();
167 if (fend > 5) for (f = offsetmin; f < offsetmax; f += fend) {
168 p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
170 QString lab = m_timecode.getTimecodeFromFrames((int)((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5));
171 p.drawText((int)f + 2, LABEL_SIZE, lab);
175 if (showMediumMarks()) {
177 fend = pixelPerMark() * mediumMarkDistance();
178 if (fend > 5) for (f = offsetmin; f < offsetmax; f += fend) {
179 p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
181 QString lab = m_timecode.getTimecodeFromFrames((int)((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5));
182 p.drawText((int)f + 2, LABEL_SIZE, lab);
186 if (showBigMarks()) {
188 fend = pixelPerMark() * bigMarkDistance();
189 if (fend > 5) for (f = offsetmin; f < offsetmax; f += fend) {
190 p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2);
192 QString lab = m_timecode.getTimecodeFromFrames((int)((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5));
193 p.drawText((int)f + 2, LABEL_SIZE, lab);
194 } else if (((int)(f - offsetmin)) % ((int)(fend * 5)) == 0) {
195 QString lab = m_timecode.getTimecodeFromFrames((int)((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5));
196 p.drawText((int)f + 2, LABEL_SIZE, lab);
202 if (d->dir == Qt::Horizontal) {
203 p.drawLine(minval-d->offset, END_MARK_X1, minval-d->offset, END_MARK_X2);
204 p.drawLine(maxval-d->offset, END_MARK_X1, maxval-d->offset, END_MARK_X2);
207 p.drawLine(END_MARK_X1, minval-d->offset, END_MARK_X2, minval-d->offset);
208 p.drawLine(END_MARK_X1, maxval-d->offset, END_MARK_X2, maxval-d->offset);
213 if (showPointer() && value > 0) {
215 pa.setPoints(3, value - 6, 9, value + 6, 9, value/*+0*/, 16);
216 p.setBrush(QBrush(Qt::yellow));
222 #include "customruler.moc"