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 ***************************************************************************/
18 #include "keyframeedit.h"
19 #include "kdenlivesettings.h"
22 #include <QHeaderView>
25 KeyframeEdit::KeyframeEdit(QDomElement e, int max, Timecode tc, QWidget* parent) :
33 m_ui.keyframe_list->setHeaderLabels(QStringList() << i18n("Position") << i18n("Value"));
34 //setResizeMode(1, QHeaderView::Interactive);
35 m_ui.button_add->setIcon(KIcon("document-new"));
36 m_ui.button_delete->setIcon(KIcon("edit-delete"));
37 connect(m_ui.keyframe_list, SIGNAL(itemSelectionChanged()/*itemClicked(QTreeWidgetItem *, int)*/), this, SLOT(slotAdjustKeyframeInfo()));
39 m_ui.keyframe_list->header()->resizeSections(QHeaderView::ResizeToContents);
40 connect(m_ui.button_delete, SIGNAL(clicked()), this, SLOT(slotDeleteKeyframe()));
41 connect(m_ui.button_add, SIGNAL(clicked()), this, SLOT(slotAddKeyframe()));
42 connect(m_ui.keyframe_list, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(slotGenerateParams(QTreeWidgetItem *, int)));
43 connect(m_ui.keyframe_list, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)), this, SLOT(slotSaveCurrentParam(QTreeWidgetItem *, int)));
44 connect(m_ui.keyframe_pos, SIGNAL(valueChanged(int)), this, SLOT(slotAdjustKeyframeValue(int)));
45 m_ui.keyframe_pos->setPageStep(1);
48 void KeyframeEdit::setupParam(QDomElement e)
50 if (!e.isNull()) m_param = e;
51 m_ui.keyframe_list->clear();
52 QStringList frames = m_param.attribute("keyframes").split(";", QString::SkipEmptyParts);
53 for (int i = 0; i < frames.count(); i++) {
54 QString framePos = m_timecode.getTimecodeFromFrames(frames.at(i).section(':', 0, 0).toInt());
55 QTreeWidgetItem *item = new QTreeWidgetItem(QStringList() << framePos << frames.at(i).section(':', 1, 1));
56 item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
57 m_ui.keyframe_list->addTopLevelItem(item);
59 QTreeWidgetItem *first = m_ui.keyframe_list->topLevelItem(0);
60 if (first) m_ui.keyframe_list->setCurrentItem(first);
61 slotAdjustKeyframeInfo();
62 m_ui.button_delete->setEnabled(m_ui.keyframe_list->topLevelItemCount() > 2);
65 void KeyframeEdit::slotDeleteKeyframe()
67 if (m_ui.keyframe_list->topLevelItemCount() < 3) return;
68 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
73 m_ui.button_delete->setEnabled(m_ui.keyframe_list->topLevelItemCount() > 2);
76 void KeyframeEdit::slotAddKeyframe()
78 m_ui.keyframe_list->blockSignals(true);
80 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
81 if (item == NULL) return;
82 int ix = m_ui.keyframe_list->indexOfTopLevelItem(item);
83 int pos1 = m_timecode.getFrameCount(item->text(0), m_timecode.fps());
84 QTreeWidgetItem *below = m_ui.keyframe_list->topLevelItem(ix + 1);
85 if (below == NULL) below = m_ui.keyframe_list->topLevelItem(ix - 1);
87 if (pos1 == 0) pos2 = m_max;
90 pos2 = m_timecode.getFrameCount(below->text(0), m_timecode.fps());
93 int result = (pos1 + pos2) / 2;
94 if (result > pos1) ix++;
95 QTreeWidgetItem *newItem = new QTreeWidgetItem(QStringList() << m_timecode.getTimecodeFromFrames(result) << item->text(1));
96 newItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
97 m_ui.keyframe_list->insertTopLevelItem(ix, newItem);
98 m_ui.keyframe_list->setCurrentItem(newItem);
99 slotAdjustKeyframeInfo();
100 m_ui.keyframe_list->blockSignals(false);
101 m_ui.button_delete->setEnabled(m_ui.keyframe_list->topLevelItemCount() > 2);
102 slotGenerateParams();
105 void KeyframeEdit::slotGenerateParams(QTreeWidgetItem *item, int column)
109 QString val = item->text(0);
110 int pos = m_timecode.getFrameCount(val, m_timecode.fps());
113 val = m_timecode.getTimecodeFromFrames(pos);
117 val = m_timecode.getTimecodeFromFrames(pos);
119 QList<QTreeWidgetItem *> duplicates = m_ui.keyframe_list->findItems(val, Qt::MatchExactly, 0);
120 duplicates.removeAll(item);
121 if (!duplicates.isEmpty()) {
122 // Trying to insert a keyframe at existing value, revert it
123 val = m_timecode.getTimecodeFromFrames(m_previousPos);
125 if (val != item->text(0)) item->setText(0, val);
128 if (item->text(1).toInt() >= m_param.attribute("max").toInt()) item->setText(1, m_param.attribute("max"));
129 if (item->text(1).toInt() <= m_param.attribute("min").toInt()) item->setText(1, m_param.attribute("min"));
133 for (int i = 0; i < m_ui.keyframe_list->topLevelItemCount(); i++) {
134 QTreeWidgetItem *item = m_ui.keyframe_list->topLevelItem(i);
135 keyframes.append(QString::number(m_timecode.getFrameCount(item->text(0), m_timecode.fps())) + ':' + item->text(1) + ';');
137 m_param.setAttribute("keyframes", keyframes);
138 emit parameterChanged();
141 void KeyframeEdit::slotAdjustKeyframeInfo()
143 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
147 QTreeWidgetItem *above = m_ui.keyframe_list->itemAbove(item);
148 QTreeWidgetItem *below = m_ui.keyframe_list->itemBelow(item);
149 if (above) min = m_timecode.getFrameCount(above->text(0), m_timecode.fps()) + 1;
150 if (below) max = m_timecode.getFrameCount(below->text(0), m_timecode.fps()) - 1;
151 m_ui.keyframe_pos->blockSignals(true);
152 m_ui.keyframe_pos->setRange(min, max);
153 m_ui.keyframe_pos->setValue(m_timecode.getFrameCount(item->text(0), m_timecode.fps()));
154 m_ui.keyframe_pos->blockSignals(false);
157 void KeyframeEdit::slotAdjustKeyframeValue(int value)
159 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
160 item->setText(0, m_timecode.getTimecodeFromFrames(value));
163 void KeyframeEdit::slotSaveCurrentParam(QTreeWidgetItem *item, int column)
165 if (item && column == 0) m_previousPos = m_timecode.getFrameCount(item->text(0), m_timecode.fps());