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, const QString paramName, QWidget* parent) :
37 keyframe_list->setFont(KGlobalSettings::generalFont());
38 keyframe_list->setHeaderLabels(QStringList() << i18n("Position") << (paramName.isEmpty() ? i18n("Value") : paramName));
39 //setResizeMode(1, QHeaderView::Interactive);
40 button_add->setIcon(KIcon("list-add"));
41 button_add->setToolTip(i18n("Add keyframe"));
42 button_delete->setIcon(KIcon("list-remove"));
43 button_delete->setToolTip(i18n("Delete keyframe"));
44 connect(keyframe_list, SIGNAL(itemSelectionChanged()/*itemClicked(QTreeWidgetItem *, int)*/), this, SLOT(slotAdjustKeyframeInfo()));
45 keyframe_val->setRange(m_minVal, m_maxVal);
48 keyframe_list->header()->resizeSections(QHeaderView::ResizeToContents);
49 connect(button_delete, SIGNAL(clicked()), this, SLOT(slotDeleteKeyframe()));
50 connect(button_add, SIGNAL(clicked()), this, SLOT(slotAddKeyframe()));
51 connect(keyframe_list, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(slotGenerateParams(QTreeWidgetItem *, int)));
52 connect(keyframe_list, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)), this, SLOT(slotSaveCurrentParam(QTreeWidgetItem *, int)));
53 connect(keyframe_pos, SIGNAL(valueChanged(int)), this, SLOT(slotAdjustKeyframePos(int)));
54 connect(keyframe_val, SIGNAL(valueChanged(int)), this, SLOT(slotAdjustKeyframeValue(int)));
55 keyframe_pos->setPageStep(1);
56 m_delegate = new KeyItemDelegate(minVal, maxVal);
57 keyframe_list->setItemDelegate(m_delegate);
60 KeyframeEdit::~KeyframeEdit()
62 keyframe_list->blockSignals(true);
63 keyframe_list->clear();
67 void KeyframeEdit::setupParam(QDomElement e)
69 if (!e.isNull()) m_param = e;
70 keyframe_list->clear();
71 QStringList frames = m_param.attribute("keyframes").split(";", QString::SkipEmptyParts);
72 for (int i = 0; i < frames.count(); i++) {
73 QString framePos = m_timecode.getTimecodeFromFrames(frames.at(i).section(':', 0, 0).toInt());
74 QTreeWidgetItem *item = new QTreeWidgetItem(QStringList() << framePos << frames.at(i).section(':', 1, 1));
75 item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
76 keyframe_list->addTopLevelItem(item);
78 QTreeWidgetItem *first = keyframe_list->topLevelItem(0);
79 if (first) keyframe_list->setCurrentItem(first);
80 slotAdjustKeyframeInfo();
81 button_delete->setEnabled(keyframe_list->topLevelItemCount() > 1);
84 void KeyframeEdit::slotDeleteKeyframe()
86 if (keyframe_list->topLevelItemCount() < 2) return;
87 QTreeWidgetItem *item = keyframe_list->currentItem();
92 button_delete->setEnabled(keyframe_list->topLevelItemCount() > 1);
95 void KeyframeEdit::slotAddKeyframe()
97 keyframe_list->blockSignals(true);
99 QTreeWidgetItem *item = keyframe_list->currentItem();
100 if (item == NULL) return;
101 int ix = keyframe_list->indexOfTopLevelItem(item);
102 int pos1 = m_timecode.getFrameCount(item->text(0));
103 QTreeWidgetItem *below = keyframe_list->topLevelItem(ix + 1);
104 if (below == NULL) below = keyframe_list->topLevelItem(ix - 1);
106 if (pos1 == 0) pos2 = m_max;
109 pos2 = m_timecode.getFrameCount(below->text(0));
112 int result = (pos1 + pos2) / 2;
113 if (result > pos1) ix++;
114 QTreeWidgetItem *newItem = new QTreeWidgetItem(QStringList() << m_timecode.getTimecodeFromFrames(result) << item->text(1));
115 newItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
116 keyframe_list->insertTopLevelItem(ix, newItem);
117 keyframe_list->setCurrentItem(newItem);
118 slotAdjustKeyframeInfo();
119 keyframe_list->blockSignals(false);
120 button_delete->setEnabled(keyframe_list->topLevelItemCount() > 1);
121 slotGenerateParams();
124 void KeyframeEdit::slotGenerateParams(QTreeWidgetItem *item, int column)
128 QString val = item->text(0);
129 int pos = m_timecode.getFrameCount(val);
132 val = m_timecode.getTimecodeFromFrames(pos);
136 val = m_timecode.getTimecodeFromFrames(pos);
138 QList<QTreeWidgetItem *> duplicates = keyframe_list->findItems(val, Qt::MatchExactly, 0);
139 duplicates.removeAll(item);
140 if (!duplicates.isEmpty()) {
141 // Trying to insert a keyframe at existing value, revert it
142 val = m_timecode.getTimecodeFromFrames(m_previousPos);
144 if (val != item->text(0)) item->setText(0, val);
147 if (item->text(1).toInt() >= m_param.attribute("max").toInt()) item->setText(1, m_param.attribute("max"));
148 if (item->text(1).toInt() <= m_param.attribute("min").toInt()) item->setText(1, m_param.attribute("min"));
152 for (int i = 0; i < keyframe_list->topLevelItemCount(); i++) {
153 QTreeWidgetItem *item = keyframe_list->topLevelItem(i);
154 keyframes.append(QString::number(m_timecode.getFrameCount(item->text(0))) + ':' + item->text(1) + ';');
156 m_param.setAttribute("keyframes", keyframes);
157 emit parameterChanged();
160 void KeyframeEdit::slotAdjustKeyframeInfo()
162 QTreeWidgetItem *item = keyframe_list->currentItem();
166 QTreeWidgetItem *above = keyframe_list->itemAbove(item);
167 QTreeWidgetItem *below = keyframe_list->itemBelow(item);
168 if (above) min = m_timecode.getFrameCount(above->text(0)) + 1;
169 if (below) max = m_timecode.getFrameCount(below->text(0)) - 1;
170 keyframe_pos->blockSignals(true);
171 keyframe_pos->setRange(min, max);
172 keyframe_pos->setValue(m_timecode.getFrameCount(item->text(0)));
173 keyframe_pos->blockSignals(false);
174 keyframe_val->blockSignals(true);
175 keyframe_val->setValue(item->text(1).toInt());
176 keyframe_val->blockSignals(false);
179 void KeyframeEdit::slotAdjustKeyframePos(int value)
181 QTreeWidgetItem *item = keyframe_list->currentItem();
182 item->setText(0, m_timecode.getTimecodeFromFrames(value));
185 void KeyframeEdit::slotAdjustKeyframeValue(int value)
187 QTreeWidgetItem *item = keyframe_list->currentItem();
188 item->setText(1, QString::number(value));
191 void KeyframeEdit::slotSaveCurrentParam(QTreeWidgetItem *item, int column)
193 if (item && column == 0) m_previousPos = m_timecode.getFrameCount(item->text(0));