1 /***************************************************************************
2 effecstackview.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 <QHeaderView>
20 #include <QInputDialog>
21 #include <QTextStream>
26 #include <KMessageBox>
27 #include <KStandardDirs>
29 #include "effectstackview.h"
30 #include "effectslist.h"
32 #include "mainwindow.h"
35 EffectStackView::EffectStackView(QWidget *parent)
38 effectedit = new EffectStackEdit(ui.frame, this);
39 //ui.effectlist->horizontalHeader()->setVisible(false);
40 //ui.effectlist->verticalHeader()->setVisible(false);
43 ui.buttonNew->setIcon(KIcon("document-new"));
44 ui.buttonNew->setToolTip(i18n("Add new effect"));
45 ui.buttonUp->setIcon(KIcon("go-up"));
46 ui.buttonUp->setToolTip(i18n("Move effect up"));
47 ui.buttonDown->setIcon(KIcon("go-down"));
48 ui.buttonDown->setToolTip(i18n("Move effect down"));
49 ui.buttonDel->setIcon(KIcon("trash-empty"));
50 ui.buttonDel->setToolTip(i18n("Delete effect"));
51 ui.buttonSave->setIcon(KIcon("document-save"));
52 ui.buttonSave->setToolTip(i18n("Save effect"));
53 ui.buttonReset->setIcon(KIcon("view-refresh"));
54 ui.buttonReset->setToolTip(i18n("Reset effect"));
57 ui.effectlist->setDragDropMode(QAbstractItemView::NoDragDrop);//use internal if drop is recognised right
59 connect(ui.effectlist, SIGNAL(itemSelectionChanged()), this , SLOT(slotItemSelectionChanged()));
60 connect(ui.effectlist, SIGNAL(itemChanged(QListWidgetItem *)), this , SLOT(slotItemChanged(QListWidgetItem *)));
61 connect(ui.buttonUp, SIGNAL(clicked()), this, SLOT(slotItemUp()));
62 connect(ui.buttonDown, SIGNAL(clicked()), this, SLOT(slotItemDown()));
63 connect(ui.buttonDel, SIGNAL(clicked()), this, SLOT(slotItemDel()));
64 connect(ui.buttonSave, SIGNAL(clicked()), this, SLOT(slotSaveEffect()));
65 connect(ui.buttonReset, SIGNAL(clicked()), this, SLOT(slotResetEffect()));
66 connect(this, SIGNAL(transferParamDesc(const QDomElement&, int , int)), effectedit , SLOT(transferParamDesc(const QDomElement&, int , int)));
67 connect(effectedit, SIGNAL(parameterChanged(const QDomElement&, const QDomElement&)), this , SLOT(slotUpdateEffectParams(const QDomElement&, const QDomElement&)));
68 effectLists["audio"] = &MainWindow::audioEffects;
69 effectLists["video"] = &MainWindow::videoEffects;
70 effectLists["custom"] = &MainWindow::customEffects;
76 void EffectStackView::setMenu(QMenu *menu) {
77 ui.buttonNew->setMenu(menu);
80 void EffectStackView::slotSaveEffect() {
81 QString name = QInputDialog::getText(this, i18n("Save Effect"), i18n("Name for saved effect: "));
82 if (name.isEmpty()) return;
83 QString path = KStandardDirs::locateLocal("appdata", "effects/", true);
84 path = path + name + ".xml";
85 if (QFile::exists(path)) if (KMessageBox::questionYesNo(this, i18n("File already exists.\nDo you want to overwrite it ?")) == KMessageBox::No) return;
87 int i = ui.effectlist->currentRow();
89 QDomElement effect = clipref->effectAt(i).cloneNode().toElement();
90 doc.appendChild(doc.importNode(effect, true));
91 effect = doc.firstChild().toElement();
92 effect.removeAttribute("kdenlive_ix");
93 effect.setAttribute("id", name);
94 effect.setAttribute("type", "custom");
95 QDomElement effectname = effect.firstChildElement("name");
96 effect.removeChild(effectname);
97 effectname = doc.createElement("name");
98 QDomText nametext = doc.createTextNode(name);
99 effectname.appendChild(nametext);
100 effect.insertBefore(effectname, QDomNode());
101 QDomElement effectprops = effect.firstChildElement("properties");
102 effectprops.setAttribute("id", name);
103 effectprops.setAttribute("type", "custom");
107 if (file.open(QFile::WriteOnly | QFile::Truncate)) {
108 QTextStream out(&file);
109 out << doc.toString();
112 emit reloadEffects();
115 void EffectStackView::slotUpdateEffectParams(const QDomElement& old, const QDomElement& e) {
117 emit updateClipEffect(clipref, old, e, ui.effectlist->currentRow());
120 void EffectStackView::slotClipItemSelected(ClipItem* c) {
122 if (c && c == clipref) {
123 ix = ui.effectlist->currentRow();
126 if (c) ix = c->selectedEffectIndex();
128 if (clipref == NULL) {
129 ui.effectlist->clear();
137 void EffectStackView::slotItemChanged(QListWidgetItem *item) {
139 if (item->checkState() == Qt::Checked) disable = false;
140 ui.buttonReset->setEnabled(!disable);
141 int activeRow = ui.effectlist->currentRow();
142 if (activeRow >= 0) {
143 emit changeEffectState(clipref, activeRow, disable);
148 void EffectStackView::setupListView(int ix) {
149 ui.effectlist->clear();
150 for (int i = 0;i < clipref->effectsCount();i++) {
151 QDomElement d = clipref->effectAt(i);
152 QDomNode namenode = d.elementsByTagName("name").item(0);
153 if (!namenode.isNull()) {
154 QListWidgetItem* item = new QListWidgetItem(namenode.toElement().text(), ui.effectlist);
155 item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsDragEnabled | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
156 if (d.attribute("disabled") == "1") item->setCheckState(Qt::Unchecked);
157 else item->setCheckState(Qt::Checked);
160 if (clipref->effectsCount() == 0) {
161 emit transferParamDesc(QDomElement(), 0, 100);
162 ui.buttonDel->setEnabled(false);
163 ui.buttonSave->setEnabled(false);
164 ui.buttonReset->setEnabled(false);
165 ui.buttonUp->setEnabled(false);
166 ui.buttonDown->setEnabled(false);
169 if (ix > ui.effectlist->count() - 1) ix = ui.effectlist->count() - 1;
170 ui.effectlist->setCurrentRow(ix);
171 ui.buttonDel->setEnabled(true);
172 ui.buttonSave->setEnabled(true);
173 ui.buttonReset->setEnabled(true);
174 ui.buttonUp->setEnabled(ix > 0);
175 ui.buttonDown->setEnabled(ix < clipref->effectsCount() - 1);
179 void EffectStackView::slotItemSelectionChanged() {
180 bool hasItem = ui.effectlist->currentItem();
181 int activeRow = ui.effectlist->currentRow();
182 bool isChecked = false;
183 if (hasItem && ui.effectlist->currentItem()->checkState() == Qt::Checked) isChecked = true;
184 if (hasItem && ui.effectlist->currentItem()->isSelected()) {
185 emit transferParamDesc(clipref->effectAt(activeRow), 0, 100);//minx max frame
187 if (clipref) clipref->setSelectedEffect(activeRow);
188 ui.buttonDel->setEnabled(hasItem);
189 ui.buttonSave->setEnabled(hasItem);
190 ui.buttonReset->setEnabled(hasItem && isChecked);
191 ui.buttonUp->setEnabled(activeRow > 0);
192 ui.buttonDown->setEnabled((activeRow < ui.effectlist->count() - 1) && hasItem);
195 void EffectStackView::slotItemUp() {
196 int activeRow = ui.effectlist->currentRow();
198 QDomElement act = clipref->effectAt(activeRow).cloneNode().toElement();
199 QDomElement before = clipref->effectAt(activeRow - 1).cloneNode().toElement();
200 clipref->setEffectAt(activeRow - 1, act);
201 clipref->setEffectAt(activeRow, before);
203 QListWidgetItem *item = ui.effectlist->takeItem(activeRow);
204 ui.effectlist->insertItem(activeRow - 1, item);
205 ui.effectlist->setCurrentItem(item);
206 emit changeEffectPosition(clipref, activeRow + 1, activeRow);
209 void EffectStackView::slotItemDown() {
210 int activeRow = ui.effectlist->currentRow();
211 if (activeRow < ui.effectlist->count() - 1) {
212 QDomElement act = clipref->effectAt(activeRow).cloneNode().toElement();
213 QDomElement after = clipref->effectAt(activeRow + 1).cloneNode().toElement();
214 clipref->setEffectAt(activeRow + 1, act);
215 clipref->setEffectAt(activeRow, after);
217 QListWidgetItem *item = ui.effectlist->takeItem(activeRow);
218 ui.effectlist->insertItem(activeRow + 1, item);
219 ui.effectlist->setCurrentItem(item);
220 emit changeEffectPosition(clipref, activeRow + 1, activeRow + 2);
223 void EffectStackView::slotItemDel() {
224 int activeRow = ui.effectlist->currentRow();
225 if (activeRow >= 0) {
226 emit removeEffect(clipref, clipref->effectAt(activeRow));
230 void EffectStackView::slotResetEffect() {
231 int activeRow = ui.effectlist->currentRow();
232 if (activeRow < 0) return;
233 QDomElement old = clipref->effectAt(activeRow).cloneNode().toElement();
235 QString effectName = ui.effectlist->currentItem()->text();
236 foreach(const QString &type, effectLists.keys()) {
237 EffectsList *list = effectLists[type];
238 if (list->effectNames().contains(effectName)) {
239 dom = list->getEffectByName(effectName);
244 dom.setAttribute("kdenlive_ix", old.attribute("kdenlive_ix"));
245 emit transferParamDesc(dom, 0, 100);//minx max frame
246 emit updateClipEffect(clipref, old, dom, activeRow);
251 void EffectStackView::raiseWindow(QWidget* dock) {
256 void EffectStackView::clear() {
257 ui.effectlist->clear();
258 ui.buttonDel->setEnabled(false);
259 ui.buttonSave->setEnabled(false);
260 ui.buttonReset->setEnabled(false);
261 ui.buttonUp->setEnabled(false);
262 ui.buttonDown->setEnabled(false);
265 #include "effectstackview.moc"