1 /***************************************************************************
2 geomeytrval.cpp - description
5 copyright : (C) 2008 by Marco Gittler
6 email : g.marco@freenet.de
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
20 #include <QGraphicsView>
21 #include <QVBoxLayout>
22 #include <QGraphicsScene>
23 #include <QGraphicsRectItem>
24 #include <QMouseEvent>
29 #include "graphicsscenerectmove.h"
30 #include "geometryval.h"
31 #include "kdenlivesettings.h"
33 Geometryval::Geometryval(const MltVideoProfile profile, QWidget* parent): QWidget(parent), m_profile(profile) {
35 QVBoxLayout* vbox = new QVBoxLayout(ui.widget);
36 QGraphicsView *view = new QGraphicsView(this);
37 view->setBackgroundBrush(QBrush(Qt::black));
38 vbox->addWidget(view);
39 vbox->setContentsMargins(0, 0, 0, 0);
41 QVBoxLayout* vbox2 = new QVBoxLayout(ui.keyframeWidget);
42 m_helper = new KeyframeHelper(this);
43 vbox2->addWidget(m_helper);
44 vbox2->setContentsMargins(0, 0, 0, 0);
46 connect(m_helper, SIGNAL(positionChanged(int)), this, SLOT(slotPositionChanged(int)));
48 scene = new GraphicsSceneRectMove(this);
49 scene->setTool(TITLE_SELECT);
50 view->setScene(scene);
51 double aspect = (double) profile.sample_aspect_num / profile.sample_aspect_den * profile.width / profile.height;
52 QGraphicsRectItem *m_frameBorder = new QGraphicsRectItem(QRectF(0, 0, profile.width, profile.height));
53 m_frameBorder->setZValue(-1100);
54 m_frameBorder->setBrush(QColor(255, 255, 0, 30));
55 m_frameBorder->setPen(QPen(QBrush(QColor(255, 255, 255, 255)), 1.0, Qt::DashLine));
56 scene->addItem(m_frameBorder);
58 ui.buttonNext->setIcon(KIcon("media-skip-forward"));
59 ui.buttonNext->setToolTip(i18n("Go to next keyframe"));
60 ui.buttonPrevious->setIcon(KIcon("media-skip-backward"));
61 ui.buttonPrevious->setToolTip(i18n("Go to previous keyframe"));
62 ui.buttonAdd->setIcon(KIcon("document-new"));
63 ui.buttonAdd->setToolTip(i18n("Add keyframe"));
64 ui.buttonDelete->setIcon(KIcon("edit-delete"));
65 ui.buttonDelete->setToolTip(i18n("Delete keyframe"));
67 QMenu *configMenu = new QMenu(i18n("Misc..."), this);
68 ui.buttonMenu->setIcon(KIcon("system-run"));
69 ui.buttonMenu->setMenu(configMenu);
70 ui.buttonMenu->setPopupMode(QToolButton::QToolButton::InstantPopup);
73 m_scaleMenu = new QMenu(i18n("Resize..."), this);
74 configMenu->addMenu(m_scaleMenu);
75 m_scaleMenu->addAction(i18n("50%"), this, SLOT(slotResize50()));
76 m_scaleMenu->addAction(i18n("100%"), this, SLOT(slotResize100()));
77 m_scaleMenu->addAction(i18n("200%"), this, SLOT(slotResize200()));
80 m_alignMenu = new QMenu(i18n("Align..."), this);
81 configMenu->addMenu(m_alignMenu);
82 m_alignMenu->addAction(i18n("Center"), this, SLOT(slotAlignCenter()));
83 m_alignMenu->addAction(i18n("Hor. Center"), this, SLOT(slotAlignHCenter()));
84 m_alignMenu->addAction(i18n("Vert. Center"), this, SLOT(slotAlignVCenter()));
85 m_alignMenu->addAction(i18n("Right"), this, SLOT(slotAlignRight()));
86 m_alignMenu->addAction(i18n("Left"), this, SLOT(slotAlignLeft()));
87 m_alignMenu->addAction(i18n("Top"), this, SLOT(slotAlignTop()));
88 m_alignMenu->addAction(i18n("Bottom"), this, SLOT(slotAlignBottom()));
91 m_syncAction = configMenu->addAction(i18n("Sync timeline cursor"), this, SLOT(slotSyncCursor()));
92 m_syncAction->setCheckable(true);
93 m_syncAction->setChecked(KdenliveSettings::transitionfollowcursor());
95 //scene->setSceneRect(0, 0, profile.width * 2, profile.height * 2);
96 //view->fitInView(m_frameBorder, Qt::KeepAspectRatio);
97 const double sc = 100.0 / profile.height * 0.8;
98 QRectF srect = view->sceneRect();
99 view->setSceneRect(srect.x(), -srect.height() / 2, srect.width(), srect.height() * 2);
101 view->centerOn(m_frameBorder);
102 connect(ui.buttonNext , SIGNAL(clicked()) , this , SLOT(slotNextFrame()));
103 connect(ui.buttonPrevious , SIGNAL(clicked()) , this , SLOT(slotPreviousFrame()));
104 connect(ui.buttonDelete , SIGNAL(clicked()) , this , SLOT(slotDeleteFrame()));
105 connect(ui.buttonAdd , SIGNAL(clicked()) , this , SLOT(slotAddFrame()));
108 void Geometryval::slotAlignCenter() {
109 int pos = ui.spinPos->value();
110 Mlt::GeometryItem item;
111 int error = m_geom->fetch(&item, pos);
112 if (error || item.key() == false) {
113 // no keyframe under cursor
116 paramRect->setPos((m_profile.width - paramRect->rect().width()) / 2, (m_profile.height - paramRect->rect().height()) / 2);
117 slotUpdateTransitionProperties();
120 void Geometryval::slotAlignHCenter() {
121 int pos = ui.spinPos->value();
122 Mlt::GeometryItem item;
123 int error = m_geom->fetch(&item, pos);
124 if (error || item.key() == false) {
125 // no keyframe under cursor
128 paramRect->setPos((m_profile.width - paramRect->rect().width()) / 2, paramRect->pos().y());
129 slotUpdateTransitionProperties();
132 void Geometryval::slotAlignVCenter() {
133 int pos = ui.spinPos->value();
134 Mlt::GeometryItem item;
135 int error = m_geom->fetch(&item, pos);
136 if (error || item.key() == false) {
137 // no keyframe under cursor
140 paramRect->setPos(paramRect->pos().x(), (m_profile.height - paramRect->rect().height()) / 2);
141 slotUpdateTransitionProperties();
144 void Geometryval::slotAlignTop() {
145 int pos = ui.spinPos->value();
146 Mlt::GeometryItem item;
147 int error = m_geom->fetch(&item, pos);
148 if (error || item.key() == false) {
149 // no keyframe under cursor
152 paramRect->setPos(paramRect->pos().x(), 0);
153 slotUpdateTransitionProperties();
156 void Geometryval::slotAlignBottom() {
157 int pos = ui.spinPos->value();
158 Mlt::GeometryItem item;
159 int error = m_geom->fetch(&item, pos);
160 if (error || item.key() == false) {
161 // no keyframe under cursor
164 paramRect->setPos(paramRect->pos().x(), m_profile.height - paramRect->rect().height());
165 slotUpdateTransitionProperties();
168 void Geometryval::slotAlignLeft() {
169 int pos = ui.spinPos->value();
170 Mlt::GeometryItem item;
171 int error = m_geom->fetch(&item, pos);
172 if (error || item.key() == false) {
173 // no keyframe under cursor
176 paramRect->setPos(0, paramRect->pos().y());
177 slotUpdateTransitionProperties();
180 void Geometryval::slotAlignRight() {
181 int pos = ui.spinPos->value();
182 Mlt::GeometryItem item;
183 int error = m_geom->fetch(&item, pos);
184 if (error || item.key() == false) {
185 // no keyframe under cursor
188 paramRect->setPos(m_profile.width - paramRect->rect().width(), paramRect->pos().y());
189 slotUpdateTransitionProperties();
192 void Geometryval::slotResize50() {
193 int pos = ui.spinPos->value();
194 Mlt::GeometryItem item;
195 int error = m_geom->fetch(&item, pos);
196 if (error || item.key() == false) {
197 // no keyframe under cursor
200 paramRect->setRect(0, 0, m_profile.width / 2, m_profile.height / 2);
201 slotUpdateTransitionProperties();
204 void Geometryval::slotResize100() {
205 int pos = ui.spinPos->value();
206 Mlt::GeometryItem item;
207 int error = m_geom->fetch(&item, pos);
208 if (error || item.key() == false) {
209 // no keyframe under cursor
212 paramRect->setRect(0, 0, m_profile.width, m_profile.height);
213 slotUpdateTransitionProperties();
216 void Geometryval::slotResize200() {
217 int pos = ui.spinPos->value();
218 Mlt::GeometryItem item;
219 int error = m_geom->fetch(&item, pos);
220 if (error || item.key() == false) {
221 // no keyframe under cursor
224 paramRect->setRect(0, 0, m_profile.width * 2, m_profile.height * 2);
225 slotUpdateTransitionProperties();
228 void Geometryval::slotTransparencyChanged(int transp) {
229 int pos = ui.spinPos->value();
230 Mlt::GeometryItem item;
231 int error = m_geom->fetch(&item, pos);
232 if (error || item.key() == false) {
233 // no keyframe under cursor
237 paramRect->setBrush(QColor(255, 0, 0, transp));
238 m_geom->insert(item);
239 emit parameterChanged();
242 void Geometryval::slotSyncCursor() {
243 KdenliveSettings::setTransitionfollowcursor(m_syncAction->isChecked());
246 void Geometryval::slotPositionChanged(int pos) {
247 if (KdenliveSettings::transitionfollowcursor()) emit seekToPos(pos);
248 ui.spinPos->setValue(pos);
249 m_helper->setValue(pos);
250 Mlt::GeometryItem item;
251 int error = m_geom->fetch(&item, pos);
252 if (error || item.key() == false) {
253 // no keyframe under cursor, adjust buttons
254 ui.buttonAdd->setEnabled(true);
255 ui.buttonDelete->setEnabled(false);
256 ui.widget->setEnabled(false);
257 ui.spinTransp->setEnabled(false);
258 m_scaleMenu->setEnabled(false);
259 m_alignMenu->setEnabled(false);
261 ui.buttonAdd->setEnabled(false);
262 ui.buttonDelete->setEnabled(true);
263 ui.widget->setEnabled(true);
264 ui.spinTransp->setEnabled(true);
265 m_scaleMenu->setEnabled(true);
266 m_alignMenu->setEnabled(true);
268 paramRect->setPos(item.x(), item.y());
269 paramRect->setRect(0, 0, item.w(), item.h());
270 ui.spinTransp->setValue(item.mix());
271 paramRect->setBrush(QColor(255, 0, 0, item.mix()));
274 void Geometryval::slotDeleteFrame() {
275 m_geom->remove(ui.spinPos->value());
276 ui.buttonAdd->setEnabled(true);
277 ui.buttonDelete->setEnabled(false);
278 ui.widget->setEnabled(false);
279 ui.spinTransp->setEnabled(false);
280 m_scaleMenu->setEnabled(false);
281 m_alignMenu->setEnabled(false);
285 void Geometryval::slotAddFrame() {
286 int pos = ui.spinPos->value();
287 Mlt::GeometryItem item;
289 item.x(paramRect->pos().x());
290 item.y(paramRect->pos().y());
291 item.w(paramRect->rect().width());
292 item.h(paramRect->rect().height());
293 item.mix(ui.spinTransp->value());
294 m_geom->insert(item);
295 ui.buttonAdd->setEnabled(false);
296 ui.buttonDelete->setEnabled(true);
297 ui.widget->setEnabled(true);
298 ui.spinTransp->setEnabled(true);
299 m_scaleMenu->setEnabled(true);
300 m_alignMenu->setEnabled(true);
304 void Geometryval::slotNextFrame() {
305 Mlt::GeometryItem item;
306 int error = m_geom->next_key(&item, m_helper->value() + 1);
307 kDebug() << "// SEEK TO NEXT KFR: " << error;
309 int pos = item.frame();
310 ui.spinPos->setValue(pos);
313 void Geometryval::slotPreviousFrame() {
314 Mlt::GeometryItem item;
315 int error = m_geom->prev_key(&item, m_helper->value() - 1);
316 kDebug() << "// SEEK TO NEXT KFR: " << error;
318 int pos = item.frame();
319 ui.spinPos->setValue(pos);
323 QDomElement Geometryval::getParamDesc() {
324 param.setAttribute("value", m_geom->serialise());
325 kDebug() << " / / UPDATING TRANSITION VALUE: " << param.attribute("value");
329 void Geometryval::setupParam(const QDomElement& par, int minFrame, int maxFrame) {
331 QString val = par.attribute("value");
332 char *tmp = (char *) qstrdup(val.toUtf8().data());
333 m_geom = new Mlt::Geometry(tmp, maxFrame - minFrame, m_profile.width, m_profile.height);
335 kDebug() << " / / UPDATING TRANSITION VALUE: " << m_geom->serialise();
336 //read param her and set rect
337 m_helper->setKeyGeometry(m_geom, maxFrame - minFrame - 1);
339 doc.appendChild(doc.importNode(par, true));
340 kDebug() << "IMPORTED TRANS: " << doc.toString();
341 ui.spinPos->setMaximum(maxFrame - minFrame - 1);
342 Mlt::GeometryItem item;
343 m_path = new QGraphicsPathItem();
344 m_path->setPen(QPen(Qt::red));
345 updateTransitionPath();
347 connect(scene, SIGNAL(actionFinished()), this, SLOT(slotUpdateTransitionProperties()));
349 m_geom->fetch(&item, 0);
350 paramRect = new QGraphicsRectItem(QRectF(0, 0, item.w(), item.h()));
351 paramRect->setPos(item.x(), item.y());
352 paramRect->setZValue(0);
354 paramRect->setPen(QPen(QBrush(QColor(255, 0, 0, 255)), 1.0));
355 scene->addItem(paramRect);
356 scene->addItem(m_path);
357 slotPositionChanged(0);
358 connect(ui.spinPos, SIGNAL(valueChanged(int)), this , SLOT(slotPositionChanged(int)));
359 connect(ui.spinTransp, SIGNAL(valueChanged(int)), this , SLOT(slotTransparencyChanged(int)));
362 void Geometryval::updateTransitionPath() {
363 Mlt::GeometryItem item;
368 if (m_geom->next_key(&item, pos) == 1) break;
371 path.moveTo(item.x() + item.w() / 2, item.y() + item.h() / 2);
373 path.lineTo(item.x() + item.w() / 2, item.y() + item.h() / 2);
378 m_path->setPath(path);
381 void Geometryval::slotUpdateTransitionProperties() {
382 int pos = ui.spinPos->value();
383 Mlt::GeometryItem item;
384 int error = m_geom->next_key(&item, pos);
385 if (error || item.frame() != pos) {
386 // no keyframe under cursor
389 item.x(paramRect->pos().x());
390 item.y(paramRect->pos().y());
391 item.w(paramRect->rect().width());
392 item.h(paramRect->rect().height());
393 m_geom->insert(item);
394 updateTransitionPath();
395 emit parameterChanged();