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 <KGlobalSettings>
24 #include <QHeaderView>
27 KeyframeEdit::KeyframeEdit(QDomElement e, int maxFrame, int minVal, int maxVal, Timecode tc, QWidget* parent) :
37 m_ui.keyframe_list->setFont(KGlobalSettings::generalFont());
38 m_ui.keyframe_list->setHeaderLabels(QStringList() << i18n("Position") << i18n("Value"));
39 //setResizeMode(1, QHeaderView::Interactive);
40 m_ui.button_add->setIcon(KIcon("document-new"));
41 m_ui.button_delete->setIcon(KIcon("edit-delete"));
42 connect(m_ui.keyframe_list, SIGNAL(itemSelectionChanged()/*itemClicked(QTreeWidgetItem *, int)*/), this, SLOT(slotAdjustKeyframeInfo()));
44 m_ui.keyframe_list->header()->resizeSections(QHeaderView::ResizeToContents);
45 connect(m_ui.button_delete, SIGNAL(clicked()), this, SLOT(slotDeleteKeyframe()));
46 connect(m_ui.button_add, SIGNAL(clicked()), this, SLOT(slotAddKeyframe()));
47 connect(m_ui.keyframe_list, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(slotGenerateParams(QTreeWidgetItem *, int)));
48 connect(m_ui.keyframe_list, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)), this, SLOT(slotSaveCurrentParam(QTreeWidgetItem *, int)));
49 connect(m_ui.keyframe_pos, SIGNAL(valueChanged(int)), this, SLOT(slotAdjustKeyframeValue(int)));
50 m_ui.keyframe_pos->setPageStep(1);
51 m_ui.keyframe_list->setItemDelegate(new KeyItemDelegate(minVal, maxVal));
54 void KeyframeEdit::setupParam(QDomElement e)
56 if (!e.isNull()) m_param = e;
57 m_ui.keyframe_list->clear();
58 QStringList frames = m_param.attribute("keyframes").split(";", QString::SkipEmptyParts);
59 for (int i = 0; i < frames.count(); i++) {
60 QString framePos = m_timecode.getTimecodeFromFrames(frames.at(i).section(':', 0, 0).toInt());
61 QTreeWidgetItem *item = new QTreeWidgetItem(QStringList() << framePos << frames.at(i).section(':', 1, 1));
62 item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
63 m_ui.keyframe_list->addTopLevelItem(item);
65 QTreeWidgetItem *first = m_ui.keyframe_list->topLevelItem(0);
66 if (first) m_ui.keyframe_list->setCurrentItem(first);
67 slotAdjustKeyframeInfo();
68 m_ui.button_delete->setEnabled(m_ui.keyframe_list->topLevelItemCount() > 2);
71 void KeyframeEdit::slotDeleteKeyframe()
73 if (m_ui.keyframe_list->topLevelItemCount() < 3) return;
74 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
79 m_ui.button_delete->setEnabled(m_ui.keyframe_list->topLevelItemCount() > 2);
82 void KeyframeEdit::slotAddKeyframe()
84 m_ui.keyframe_list->blockSignals(true);
86 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
87 if (item == NULL) return;
88 int ix = m_ui.keyframe_list->indexOfTopLevelItem(item);
89 int pos1 = m_timecode.getFrameCount(item->text(0));
90 QTreeWidgetItem *below = m_ui.keyframe_list->topLevelItem(ix + 1);
91 if (below == NULL) below = m_ui.keyframe_list->topLevelItem(ix - 1);
93 if (pos1 == 0) pos2 = m_max;
96 pos2 = m_timecode.getFrameCount(below->text(0));
99 int result = (pos1 + pos2) / 2;
100 if (result > pos1) ix++;
101 QTreeWidgetItem *newItem = new QTreeWidgetItem(QStringList() << m_timecode.getTimecodeFromFrames(result) << item->text(1));
102 newItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
103 m_ui.keyframe_list->insertTopLevelItem(ix, newItem);
104 m_ui.keyframe_list->setCurrentItem(newItem);
105 slotAdjustKeyframeInfo();
106 m_ui.keyframe_list->blockSignals(false);
107 m_ui.button_delete->setEnabled(m_ui.keyframe_list->topLevelItemCount() > 2);
108 slotGenerateParams();
111 void KeyframeEdit::slotGenerateParams(QTreeWidgetItem *item, int column)
115 QString val = item->text(0);
116 int pos = m_timecode.getFrameCount(val);
119 val = m_timecode.getTimecodeFromFrames(pos);
123 val = m_timecode.getTimecodeFromFrames(pos);
125 QList<QTreeWidgetItem *> duplicates = m_ui.keyframe_list->findItems(val, Qt::MatchExactly, 0);
126 duplicates.removeAll(item);
127 if (!duplicates.isEmpty()) {
128 // Trying to insert a keyframe at existing value, revert it
129 val = m_timecode.getTimecodeFromFrames(m_previousPos);
131 if (val != item->text(0)) item->setText(0, val);
134 if (item->text(1).toInt() >= m_param.attribute("max").toInt()) item->setText(1, m_param.attribute("max"));
135 if (item->text(1).toInt() <= m_param.attribute("min").toInt()) item->setText(1, m_param.attribute("min"));
139 for (int i = 0; i < m_ui.keyframe_list->topLevelItemCount(); i++) {
140 QTreeWidgetItem *item = m_ui.keyframe_list->topLevelItem(i);
141 keyframes.append(QString::number(m_timecode.getFrameCount(item->text(0))) + ':' + item->text(1) + ';');
143 m_param.setAttribute("keyframes", keyframes);
144 emit parameterChanged();
147 void KeyframeEdit::slotAdjustKeyframeInfo()
149 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
153 QTreeWidgetItem *above = m_ui.keyframe_list->itemAbove(item);
154 QTreeWidgetItem *below = m_ui.keyframe_list->itemBelow(item);
155 if (above) min = m_timecode.getFrameCount(above->text(0)) + 1;
156 if (below) max = m_timecode.getFrameCount(below->text(0)) - 1;
157 m_ui.keyframe_pos->blockSignals(true);
158 m_ui.keyframe_pos->setRange(min, max);
159 m_ui.keyframe_pos->setValue(m_timecode.getFrameCount(item->text(0)));
160 m_ui.keyframe_pos->blockSignals(false);
163 void KeyframeEdit::slotAdjustKeyframeValue(int value)
165 QTreeWidgetItem *item = m_ui.keyframe_list->currentItem();
166 item->setText(0, m_timecode.getTimecodeFromFrames(value));
169 void KeyframeEdit::slotSaveCurrentParam(QTreeWidgetItem *item, int column)
171 if (item && column == 0) m_previousPos = m_timecode.getFrameCount(item->text(0));