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 keyframe_list->setFont(KGlobalSettings::generalFont());
38 keyframe_list->setHeaderLabels(QStringList() << i18n("Position") << i18n("Value"));
39 //setResizeMode(1, QHeaderView::Interactive);
40 button_add->setIcon(KIcon("document-new"));
41 button_delete->setIcon(KIcon("edit-delete"));
42 connect(keyframe_list, SIGNAL(itemSelectionChanged()/*itemClicked(QTreeWidgetItem *, int)*/), this, SLOT(slotAdjustKeyframeInfo()));
44 keyframe_list->header()->resizeSections(QHeaderView::ResizeToContents);
45 connect(button_delete, SIGNAL(clicked()), this, SLOT(slotDeleteKeyframe()));
46 connect(button_add, SIGNAL(clicked()), this, SLOT(slotAddKeyframe()));
47 connect(keyframe_list, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(slotGenerateParams(QTreeWidgetItem *, int)));
48 connect(keyframe_list, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)), this, SLOT(slotSaveCurrentParam(QTreeWidgetItem *, int)));
49 connect(keyframe_pos, SIGNAL(valueChanged(int)), this, SLOT(slotAdjustKeyframeValue(int)));
50 keyframe_pos->setPageStep(1);
51 m_delegate = new KeyItemDelegate(minVal, maxVal);
52 keyframe_list->setItemDelegate(m_delegate);
55 KeyframeEdit::~KeyframeEdit()
57 keyframe_list->blockSignals(true);
58 keyframe_list->clear();
62 void KeyframeEdit::setupParam(QDomElement e)
64 if (!e.isNull()) m_param = e;
65 keyframe_list->clear();
66 QStringList frames = m_param.attribute("keyframes").split(";", QString::SkipEmptyParts);
67 for (int i = 0; i < frames.count(); i++) {
68 QString framePos = m_timecode.getTimecodeFromFrames(frames.at(i).section(':', 0, 0).toInt());
69 QTreeWidgetItem *item = new QTreeWidgetItem(QStringList() << framePos << frames.at(i).section(':', 1, 1));
70 item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
71 keyframe_list->addTopLevelItem(item);
73 QTreeWidgetItem *first = keyframe_list->topLevelItem(0);
74 if (first) keyframe_list->setCurrentItem(first);
75 slotAdjustKeyframeInfo();
76 button_delete->setEnabled(keyframe_list->topLevelItemCount() > 2);
79 void KeyframeEdit::slotDeleteKeyframe()
81 if (keyframe_list->topLevelItemCount() < 3) return;
82 QTreeWidgetItem *item = keyframe_list->currentItem();
87 button_delete->setEnabled(keyframe_list->topLevelItemCount() > 2);
90 void KeyframeEdit::slotAddKeyframe()
92 keyframe_list->blockSignals(true);
94 QTreeWidgetItem *item = keyframe_list->currentItem();
95 if (item == NULL) return;
96 int ix = keyframe_list->indexOfTopLevelItem(item);
97 int pos1 = m_timecode.getFrameCount(item->text(0));
98 QTreeWidgetItem *below = keyframe_list->topLevelItem(ix + 1);
99 if (below == NULL) below = keyframe_list->topLevelItem(ix - 1);
101 if (pos1 == 0) pos2 = m_max;
104 pos2 = m_timecode.getFrameCount(below->text(0));
107 int result = (pos1 + pos2) / 2;
108 if (result > pos1) ix++;
109 QTreeWidgetItem *newItem = new QTreeWidgetItem(QStringList() << m_timecode.getTimecodeFromFrames(result) << item->text(1));
110 newItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
111 keyframe_list->insertTopLevelItem(ix, newItem);
112 keyframe_list->setCurrentItem(newItem);
113 slotAdjustKeyframeInfo();
114 keyframe_list->blockSignals(false);
115 button_delete->setEnabled(keyframe_list->topLevelItemCount() > 2);
116 slotGenerateParams();
119 void KeyframeEdit::slotGenerateParams(QTreeWidgetItem *item, int column)
123 QString val = item->text(0);
124 int pos = m_timecode.getFrameCount(val);
127 val = m_timecode.getTimecodeFromFrames(pos);
131 val = m_timecode.getTimecodeFromFrames(pos);
133 QList<QTreeWidgetItem *> duplicates = keyframe_list->findItems(val, Qt::MatchExactly, 0);
134 duplicates.removeAll(item);
135 if (!duplicates.isEmpty()) {
136 // Trying to insert a keyframe at existing value, revert it
137 val = m_timecode.getTimecodeFromFrames(m_previousPos);
139 if (val != item->text(0)) item->setText(0, val);
142 if (item->text(1).toInt() >= m_param.attribute("max").toInt()) item->setText(1, m_param.attribute("max"));
143 if (item->text(1).toInt() <= m_param.attribute("min").toInt()) item->setText(1, m_param.attribute("min"));
147 for (int i = 0; i < keyframe_list->topLevelItemCount(); i++) {
148 QTreeWidgetItem *item = keyframe_list->topLevelItem(i);
149 keyframes.append(QString::number(m_timecode.getFrameCount(item->text(0))) + ':' + item->text(1) + ';');
151 m_param.setAttribute("keyframes", keyframes);
152 emit parameterChanged();
155 void KeyframeEdit::slotAdjustKeyframeInfo()
157 QTreeWidgetItem *item = keyframe_list->currentItem();
161 QTreeWidgetItem *above = keyframe_list->itemAbove(item);
162 QTreeWidgetItem *below = keyframe_list->itemBelow(item);
163 if (above) min = m_timecode.getFrameCount(above->text(0)) + 1;
164 if (below) max = m_timecode.getFrameCount(below->text(0)) - 1;
165 keyframe_pos->blockSignals(true);
166 keyframe_pos->setRange(min, max);
167 keyframe_pos->setValue(m_timecode.getFrameCount(item->text(0)));
168 keyframe_pos->blockSignals(false);
171 void KeyframeEdit::slotAdjustKeyframeValue(int value)
173 QTreeWidgetItem *item = keyframe_list->currentItem();
174 item->setText(0, m_timecode.getTimecodeFromFrames(value));
177 void KeyframeEdit::slotSaveCurrentParam(QTreeWidgetItem *item, int column)
179 if (item && column == 0) m_previousPos = m_timecode.getFrameCount(item->text(0));