obs-studio/UI/source-tree.cpp

1584 lines
38 KiB
C++

#include "window-basic-main.hpp"
#include "obs-app.hpp"
#include "source-tree.hpp"
#include "qt-wrappers.hpp"
#include "visibility-checkbox.hpp"
#include "locked-checkbox.hpp"
#include "expand-checkbox.hpp"
#include "platform.hpp"
#include <obs-frontend-api.h>
#include <obs.h>
#include <string>
#include <QLabel>
#include <QLineEdit>
#include <QSpacerItem>
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QMouseEvent>
#include <QAccessible>
#include <QStylePainter>
#include <QStyleOptionFocusRect>
static inline OBSScene GetCurrentScene()
{
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
return main->GetCurrentScene();
}
/* ========================================================================= */
SourceTreeItem::SourceTreeItem(SourceTree *tree_, OBSSceneItem sceneitem_)
: tree(tree_), sceneitem(sceneitem_)
{
setAttribute(Qt::WA_TranslucentBackground);
setMouseTracking(true);
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
const char *name = obs_source_get_name(source);
obs_data_t *privData = obs_sceneitem_get_private_settings(sceneitem);
int preset = obs_data_get_int(privData, "color-preset");
if (preset == 1) {
const char *color = obs_data_get_string(privData, "color");
std::string col = "background: ";
col += color;
setStyleSheet(col.c_str());
} else if (preset > 1) {
setStyleSheet("");
setProperty("bgColor", preset - 1);
} else {
setStyleSheet("background: none");
}
obs_data_release(privData);
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
const char *id = obs_source_get_id(source);
QLabel *iconLabel = nullptr;
if (tree->iconsVisible) {
QIcon icon;
if (strcmp(id, "scene") == 0)
icon = main->GetSceneIcon();
else if (strcmp(id, "group") == 0)
icon = main->GetGroupIcon();
else
icon = main->GetSourceIcon(id);
QPixmap pixmap = icon.pixmap(QSize(16, 16));
iconLabel = new QLabel();
iconLabel->setPixmap(pixmap);
iconLabel->setFixedSize(16, 16);
iconLabel->setStyleSheet("background: none");
}
vis = new VisibilityCheckBox();
vis->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
vis->setFixedSize(16, 16);
vis->setChecked(obs_sceneitem_visible(sceneitem));
vis->setStyleSheet("background: none");
vis->setAccessibleName(QTStr("Basic.Main.Sources.Visibility"));
vis->setAccessibleDescription(
QTStr("Basic.Main.Sources.VisibilityDescription").arg(name));
lock = new LockedCheckBox();
lock->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
lock->setFixedSize(16, 16);
lock->setChecked(obs_sceneitem_locked(sceneitem));
lock->setStyleSheet("background: none");
lock->setAccessibleName(QTStr("Basic.Main.Sources.Lock"));
lock->setAccessibleDescription(
QTStr("Basic.Main.Sources.LockDescription").arg(name));
label = new QLabel(QT_UTF8(name));
label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
label->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
label->setAttribute(Qt::WA_TranslucentBackground);
#ifdef __APPLE__
vis->setAttribute(Qt::WA_LayoutUsesWidgetRect);
lock->setAttribute(Qt::WA_LayoutUsesWidgetRect);
#endif
boxLayout = new QHBoxLayout();
boxLayout->setContentsMargins(0, 0, 0, 0);
if (iconLabel) {
boxLayout->addWidget(iconLabel);
boxLayout->addSpacing(2);
}
boxLayout->addWidget(label);
boxLayout->addWidget(vis);
boxLayout->addSpacing(1);
boxLayout->addWidget(lock);
#ifdef __APPLE__
/* Hack: Fixes a bug where scrollbars would be above the lock icon */
boxLayout->addSpacing(16);
#endif
Update(false);
setLayout(boxLayout);
/* --------------------------------------------------------- */
auto setItemVisible = [this](bool checked) {
SignalBlocker sourcesSignalBlocker(this);
obs_sceneitem_set_visible(sceneitem, checked);
};
auto setItemLocked = [this](bool checked) {
SignalBlocker sourcesSignalBlocker(this);
obs_sceneitem_set_locked(sceneitem, checked);
};
connect(vis, &QAbstractButton::clicked, setItemVisible);
connect(lock, &QAbstractButton::clicked, setItemLocked);
}
void SourceTreeItem::paintEvent(QPaintEvent *event)
{
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
QWidget::paintEvent(event);
}
void SourceTreeItem::DisconnectSignals()
{
sceneRemoveSignal.Disconnect();
itemRemoveSignal.Disconnect();
selectSignal.Disconnect();
deselectSignal.Disconnect();
visibleSignal.Disconnect();
lockedSignal.Disconnect();
renameSignal.Disconnect();
removeSignal.Disconnect();
}
void SourceTreeItem::Clear()
{
DisconnectSignals();
sceneitem = nullptr;
}
void SourceTreeItem::ReconnectSignals()
{
if (!sceneitem)
return;
DisconnectSignals();
/* --------------------------------------------------------- */
auto removeItem = [](void *data, calldata_t *cd) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem =
(obs_sceneitem_t *)calldata_ptr(cd, "item");
if (curItem == this_->sceneitem) {
QMetaObject::invokeMethod(this_->tree, "Remove",
Q_ARG(OBSSceneItem, curItem));
curItem = nullptr;
}
if (!curItem)
QMetaObject::invokeMethod(this_, "Clear");
};
auto itemVisible = [](void *data, calldata_t *cd) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem =
(obs_sceneitem_t *)calldata_ptr(cd, "item");
bool visible = calldata_bool(cd, "visible");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "VisibilityChanged",
Q_ARG(bool, visible));
};
auto itemLocked = [](void *data, calldata_t *cd) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem =
(obs_sceneitem_t *)calldata_ptr(cd, "item");
bool locked = calldata_bool(cd, "locked");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "LockedChanged",
Q_ARG(bool, locked));
};
auto itemSelect = [](void *data, calldata_t *cd) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem =
(obs_sceneitem_t *)calldata_ptr(cd, "item");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "Select");
};
auto itemDeselect = [](void *data, calldata_t *cd) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem =
(obs_sceneitem_t *)calldata_ptr(cd, "item");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "Deselect");
};
auto reorderGroup = [](void *data, calldata_t *) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
QMetaObject::invokeMethod(this_->tree, "ReorderItems");
};
obs_scene_t *scene = obs_sceneitem_get_scene(sceneitem);
obs_source_t *sceneSource = obs_scene_get_source(scene);
signal_handler_t *signal = obs_source_get_signal_handler(sceneSource);
sceneRemoveSignal.Connect(signal, "remove", removeItem, this);
itemRemoveSignal.Connect(signal, "item_remove", removeItem, this);
visibleSignal.Connect(signal, "item_visible", itemVisible, this);
lockedSignal.Connect(signal, "item_locked", itemLocked, this);
selectSignal.Connect(signal, "item_select", itemSelect, this);
deselectSignal.Connect(signal, "item_deselect", itemDeselect, this);
if (obs_sceneitem_is_group(sceneitem)) {
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
signal = obs_source_get_signal_handler(source);
groupReorderSignal.Connect(signal, "reorder", reorderGroup,
this);
}
/* --------------------------------------------------------- */
auto renamed = [](void *data, calldata_t *cd) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
const char *name = calldata_string(cd, "new_name");
QMetaObject::invokeMethod(this_, "Renamed",
Q_ARG(QString, QT_UTF8(name)));
};
auto removeSource = [](void *data, calldata_t *) {
SourceTreeItem *this_ =
reinterpret_cast<SourceTreeItem *>(data);
this_->DisconnectSignals();
this_->sceneitem = nullptr;
};
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
signal = obs_source_get_signal_handler(source);
renameSignal.Connect(signal, "rename", renamed, this);
removeSignal.Connect(signal, "remove", removeSource, this);
}
void SourceTreeItem::mouseDoubleClickEvent(QMouseEvent *event)
{
QWidget::mouseDoubleClickEvent(event);
if (expand) {
expand->setChecked(!expand->isChecked());
} else {
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
OBSBasic *main =
reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
if (source) {
main->CreatePropertiesWindow(source);
}
}
}
void SourceTreeItem::enterEvent(QEvent *event)
{
QWidget::enterEvent(event);
OBSBasicPreview *preview = OBSBasicPreview::Get();
std::lock_guard<std::mutex> lock(preview->selectMutex);
preview->hoveredPreviewItems.clear();
preview->hoveredPreviewItems.push_back(sceneitem);
}
void SourceTreeItem::leaveEvent(QEvent *event)
{
QWidget::leaveEvent(event);
OBSBasicPreview *preview = OBSBasicPreview::Get();
std::lock_guard<std::mutex> lock(preview->selectMutex);
preview->hoveredPreviewItems.clear();
}
bool SourceTreeItem::IsEditing()
{
return editor != nullptr;
}
void SourceTreeItem::EnterEditMode()
{
setFocusPolicy(Qt::StrongFocus);
int index = boxLayout->indexOf(label);
boxLayout->removeWidget(label);
editor = new QLineEdit(label->text());
editor->setStyleSheet("background: none");
editor->selectAll();
editor->installEventFilter(this);
boxLayout->insertWidget(index, editor);
setFocusProxy(editor);
}
void SourceTreeItem::ExitEditMode(bool save)
{
if (!editor)
return;
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
std::string newName = QT_TO_UTF8(editor->text());
setFocusProxy(nullptr);
int index = boxLayout->indexOf(editor);
boxLayout->removeWidget(editor);
delete editor;
editor = nullptr;
setFocusPolicy(Qt::NoFocus);
boxLayout->insertWidget(index, label);
label->setFocus();
/* ----------------------------------------- */
/* check for empty string */
if (!save)
return;
if (newName.empty()) {
OBSMessageBox::information(main, QTStr("NoNameEntered.Title"),
QTStr("NoNameEntered.Text"));
return;
}
/* ----------------------------------------- */
/* Check for same name */
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
if (newName == obs_source_get_name(source))
return;
/* ----------------------------------------- */
/* check for existing source */
obs_source_t *existingSource = obs_get_source_by_name(newName.c_str());
obs_source_release(existingSource);
bool exists = !!existingSource;
if (exists) {
OBSMessageBox::information(main, QTStr("NameExists.Title"),
QTStr("NameExists.Text"));
return;
}
/* ----------------------------------------- */
/* rename */
SignalBlocker sourcesSignalBlocker(this);
obs_source_set_name(source, newName.c_str());
label->setText(QT_UTF8(newName.c_str()));
}
bool SourceTreeItem::eventFilter(QObject *object, QEvent *event)
{
if (editor != object)
return false;
if (LineEditCanceled(event)) {
QMetaObject::invokeMethod(this, "ExitEditMode",
Qt::QueuedConnection,
Q_ARG(bool, false));
return true;
}
if (LineEditChanged(event)) {
QMetaObject::invokeMethod(this, "ExitEditMode",
Qt::QueuedConnection,
Q_ARG(bool, true));
return true;
}
return false;
}
void SourceTreeItem::VisibilityChanged(bool visible)
{
vis->setChecked(visible);
}
void SourceTreeItem::LockedChanged(bool locked)
{
lock->setChecked(locked);
}
void SourceTreeItem::Renamed(const QString &name)
{
label->setText(name);
}
void SourceTreeItem::Update(bool force)
{
OBSScene scene = GetCurrentScene();
obs_scene_t *itemScene = obs_sceneitem_get_scene(sceneitem);
Type newType;
/* ------------------------------------------------- */
/* if it's a group item, insert group checkbox */
if (obs_sceneitem_is_group(sceneitem)) {
newType = Type::Group;
/* ------------------------------------------------- */
/* if it's a group sub-item */
} else if (itemScene != scene) {
newType = Type::SubItem;
/* ------------------------------------------------- */
/* if it's a regular item */
} else {
newType = Type::Item;
}
/* ------------------------------------------------- */
if (!force && newType == type) {
return;
}
/* ------------------------------------------------- */
ReconnectSignals();
if (spacer) {
boxLayout->removeItem(spacer);
delete spacer;
spacer = nullptr;
}
if (type == Type::Group) {
boxLayout->removeWidget(expand);
expand->deleteLater();
expand = nullptr;
}
type = newType;
if (type == Type::SubItem) {
spacer = new QSpacerItem(16, 1);
boxLayout->insertItem(0, spacer);
} else if (type == Type::Group) {
expand = new SourceTreeSubItemCheckBox();
expand->setSizePolicy(QSizePolicy::Maximum,
QSizePolicy::Maximum);
expand->setMaximumSize(10, 16);
expand->setMinimumSize(10, 0);
#ifdef __APPLE__
expand->setAttribute(Qt::WA_LayoutUsesWidgetRect);
#endif
boxLayout->insertWidget(0, expand);
obs_data_t *data =
obs_sceneitem_get_private_settings(sceneitem);
expand->blockSignals(true);
expand->setChecked(obs_data_get_bool(data, "collapsed"));
expand->blockSignals(false);
obs_data_release(data);
connect(expand, &QPushButton::toggled, this,
&SourceTreeItem::ExpandClicked);
} else {
spacer = new QSpacerItem(3, 1);
boxLayout->insertItem(0, spacer);
}
}
void SourceTreeItem::ExpandClicked(bool checked)
{
OBSData data = obs_sceneitem_get_private_settings(sceneitem);
obs_data_release(data);
obs_data_set_bool(data, "collapsed", checked);
if (!checked)
tree->GetStm()->ExpandGroup(sceneitem);
else
tree->GetStm()->CollapseGroup(sceneitem);
}
void SourceTreeItem::Select()
{
tree->SelectItem(sceneitem, true);
OBSBasic::Get()->UpdateContextBarDeferred();
}
void SourceTreeItem::Deselect()
{
tree->SelectItem(sceneitem, false);
OBSBasic::Get()->UpdateContextBarDeferred();
}
/* ========================================================================= */
void SourceTreeModel::OBSFrontendEvent(enum obs_frontend_event event, void *ptr)
{
SourceTreeModel *stm = reinterpret_cast<SourceTreeModel *>(ptr);
switch ((int)event) {
case OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED:
stm->SceneChanged();
break;
case OBS_FRONTEND_EVENT_EXIT:
case OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP:
stm->Clear();
break;
}
}
void SourceTreeModel::Clear()
{
beginResetModel();
items.clear();
endResetModel();
hasGroups = false;
}
static bool enumItem(obs_scene_t *, obs_sceneitem_t *item, void *ptr)
{
QVector<OBSSceneItem> &items =
*reinterpret_cast<QVector<OBSSceneItem> *>(ptr);
if (obs_sceneitem_is_group(item)) {
obs_data_t *data = obs_sceneitem_get_private_settings(item);
bool collapse = obs_data_get_bool(data, "collapsed");
if (!collapse) {
obs_scene_t *scene =
obs_sceneitem_group_get_scene(item);
obs_scene_enum_items(scene, enumItem, &items);
}
obs_data_release(data);
}
items.insert(0, item);
return true;
}
void SourceTreeModel::SceneChanged()
{
OBSScene scene = GetCurrentScene();
beginResetModel();
items.clear();
obs_scene_enum_items(scene, enumItem, &items);
endResetModel();
UpdateGroupState(false);
st->ResetWidgets();
for (int i = 0; i < items.count(); i++) {
bool select = obs_sceneitem_selected(items[i]);
QModelIndex index = createIndex(i, 0);
st->selectionModel()->select(
index, select ? QItemSelectionModel::Select
: QItemSelectionModel::Deselect);
}
}
/* moves a scene item index (blame linux distros for using older Qt builds) */
static inline void MoveItem(QVector<OBSSceneItem> &items, int oldIdx,
int newIdx)
{
OBSSceneItem item = items[oldIdx];
items.remove(oldIdx);
items.insert(newIdx, item);
}
/* reorders list optimally with model reorder funcs */
void SourceTreeModel::ReorderItems()
{
OBSScene scene = GetCurrentScene();
QVector<OBSSceneItem> newitems;
obs_scene_enum_items(scene, enumItem, &newitems);
/* if item list has changed size, do full reset */
if (newitems.count() != items.count()) {
SceneChanged();
return;
}
for (;;) {
int idx1Old = 0;
int idx1New = 0;
int count;
int i;
/* find first starting changed item index */
for (i = 0; i < newitems.count(); i++) {
obs_sceneitem_t *oldItem = items[i];
obs_sceneitem_t *newItem = newitems[i];
if (oldItem != newItem) {
idx1Old = i;
break;
}
}
/* if everything is the same, break */
if (i == newitems.count()) {
break;
}
/* find new starting index */
for (i = idx1Old + 1; i < newitems.count(); i++) {
obs_sceneitem_t *oldItem = items[idx1Old];
obs_sceneitem_t *newItem = newitems[i];
if (oldItem == newItem) {
idx1New = i;
break;
}
}
/* if item could not be found, do full reset */
if (i == newitems.count()) {
SceneChanged();
return;
}
/* get move count */
for (count = 1; (idx1New + count) < newitems.count(); count++) {
int oldIdx = idx1Old + count;
int newIdx = idx1New + count;
obs_sceneitem_t *oldItem = items[oldIdx];
obs_sceneitem_t *newItem = newitems[newIdx];
if (oldItem != newItem) {
break;
}
}
/* move items */
beginMoveRows(QModelIndex(), idx1Old, idx1Old + count - 1,
QModelIndex(), idx1New + count);
for (i = 0; i < count; i++) {
int to = idx1New + count;
if (to > idx1Old)
to--;
MoveItem(items, idx1Old, to);
}
endMoveRows();
}
}
void SourceTreeModel::Add(obs_sceneitem_t *item)
{
if (obs_sceneitem_is_group(item)) {
SceneChanged();
} else {
beginInsertRows(QModelIndex(), 0, 0);
items.insert(0, item);
endInsertRows();
st->UpdateWidget(createIndex(0, 0, nullptr), item);
}
}
void SourceTreeModel::Remove(obs_sceneitem_t *item)
{
int idx = -1;
for (int i = 0; i < items.count(); i++) {
if (items[i] == item) {
idx = i;
break;
}
}
if (idx == -1)
return;
int startIdx = idx;
int endIdx = idx;
bool is_group = obs_sceneitem_is_group(item);
if (is_group) {
obs_scene_t *scene = obs_sceneitem_group_get_scene(item);
for (int i = endIdx + 1; i < items.count(); i++) {
obs_sceneitem_t *subitem = items[i];
obs_scene_t *subscene =
obs_sceneitem_get_scene(subitem);
if (subscene == scene)
endIdx = i;
else
break;
}
}
beginRemoveRows(QModelIndex(), startIdx, endIdx);
items.remove(idx, endIdx - startIdx + 1);
endRemoveRows();
if (is_group)
UpdateGroupState(true);
}
OBSSceneItem SourceTreeModel::Get(int idx)
{
if (idx == -1 || idx >= items.count())
return OBSSceneItem();
return items[idx];
}
SourceTreeModel::SourceTreeModel(SourceTree *st_)
: QAbstractListModel(st_), st(st_)
{
obs_frontend_add_event_callback(OBSFrontendEvent, this);
}
SourceTreeModel::~SourceTreeModel()
{
obs_frontend_remove_event_callback(OBSFrontendEvent, this);
}
int SourceTreeModel::rowCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : items.count();
}
QVariant SourceTreeModel::data(const QModelIndex &index, int role) const
{
if (role == Qt::AccessibleTextRole) {
OBSSceneItem item = items[index.row()];
obs_source_t *source = obs_sceneitem_get_source(item);
return QVariant(QT_UTF8(obs_source_get_name(source)));
}
return QVariant();
}
Qt::ItemFlags SourceTreeModel::flags(const QModelIndex &index) const
{
if (!index.isValid())
return QAbstractListModel::flags(index) | Qt::ItemIsDropEnabled;
obs_sceneitem_t *item = items[index.row()];
bool is_group = obs_sceneitem_is_group(item);
return QAbstractListModel::flags(index) | Qt::ItemIsEditable |
Qt::ItemIsDragEnabled |
(is_group ? Qt::ItemIsDropEnabled : Qt::NoItemFlags);
}
Qt::DropActions SourceTreeModel::supportedDropActions() const
{
return QAbstractItemModel::supportedDropActions() | Qt::MoveAction;
}
QString SourceTreeModel::GetNewGroupName()
{
OBSScene scene = GetCurrentScene();
QString name = QTStr("Group");
int i = 2;
for (;;) {
obs_source_t *group = obs_get_source_by_name(QT_TO_UTF8(name));
obs_source_release(group);
if (!group)
break;
name = QTStr("Basic.Main.Group").arg(QString::number(i++));
}
return name;
}
void SourceTreeModel::AddGroup()
{
QString name = GetNewGroupName();
obs_sceneitem_t *group =
obs_scene_add_group(GetCurrentScene(), QT_TO_UTF8(name));
if (!group)
return;
beginInsertRows(QModelIndex(), 0, 0);
items.insert(0, group);
endInsertRows();
st->UpdateWidget(createIndex(0, 0, nullptr), group);
UpdateGroupState(true);
QMetaObject::invokeMethod(st, "Edit", Qt::QueuedConnection,
Q_ARG(int, 0));
}
void SourceTreeModel::GroupSelectedItems(QModelIndexList &indices)
{
if (indices.count() == 0)
return;
OBSScene scene = GetCurrentScene();
QString name = GetNewGroupName();
QVector<obs_sceneitem_t *> item_order;
for (int i = indices.count() - 1; i >= 0; i--) {
obs_sceneitem_t *item = items[indices[i].row()];
item_order << item;
}
obs_sceneitem_t *item = obs_scene_insert_group(
scene, QT_TO_UTF8(name), item_order.data(), item_order.size());
if (!item) {
return;
}
for (obs_sceneitem_t *item : item_order)
obs_sceneitem_select(item, false);
int newIdx = indices[0].row();
beginInsertRows(QModelIndex(), newIdx, newIdx);
items.insert(newIdx, item);
endInsertRows();
for (int i = 0; i < indices.size(); i++) {
int fromIdx = indices[i].row() + 1;
int toIdx = newIdx + i + 1;
if (fromIdx != toIdx) {
beginMoveRows(QModelIndex(), fromIdx, fromIdx,
QModelIndex(), toIdx);
MoveItem(items, fromIdx, toIdx);
endMoveRows();
}
}
hasGroups = true;
st->UpdateWidgets(true);
obs_sceneitem_select(item, true);
QMetaObject::invokeMethod(st, "Edit", Qt::QueuedConnection,
Q_ARG(int, newIdx));
}
void SourceTreeModel::UngroupSelectedGroups(QModelIndexList &indices)
{
if (indices.count() == 0)
return;
for (int i = indices.count() - 1; i >= 0; i--) {
obs_sceneitem_t *item = items[indices[i].row()];
obs_sceneitem_group_ungroup(item);
}
SceneChanged();
}
void SourceTreeModel::ExpandGroup(obs_sceneitem_t *item)
{
int itemIdx = items.indexOf(item);
if (itemIdx == -1)
return;
itemIdx++;
obs_scene_t *scene = obs_sceneitem_group_get_scene(item);
QVector<OBSSceneItem> subItems;
obs_scene_enum_items(scene, enumItem, &subItems);
if (!subItems.size())
return;
beginInsertRows(QModelIndex(), itemIdx, itemIdx + subItems.size() - 1);
for (int i = 0; i < subItems.size(); i++)
items.insert(i + itemIdx, subItems[i]);
endInsertRows();
st->UpdateWidgets();
}
void SourceTreeModel::CollapseGroup(obs_sceneitem_t *item)
{
int startIdx = -1;
int endIdx = -1;
obs_scene_t *scene = obs_sceneitem_group_get_scene(item);
for (int i = 0; i < items.size(); i++) {
obs_scene_t *itemScene = obs_sceneitem_get_scene(items[i]);
if (itemScene == scene) {
if (startIdx == -1)
startIdx = i;
endIdx = i;
}
}
if (startIdx == -1)
return;
beginRemoveRows(QModelIndex(), startIdx, endIdx);
items.remove(startIdx, endIdx - startIdx + 1);
endRemoveRows();
}
void SourceTreeModel::UpdateGroupState(bool update)
{
bool nowHasGroups = false;
for (auto &item : items) {
if (obs_sceneitem_is_group(item)) {
nowHasGroups = true;
break;
}
}
if (nowHasGroups != hasGroups) {
hasGroups = nowHasGroups;
if (update) {
st->UpdateWidgets(true);
}
}
}
/* ========================================================================= */
SourceTree::SourceTree(QWidget *parent_) : QListView(parent_)
{
SourceTreeModel *stm_ = new SourceTreeModel(this);
setModel(stm_);
setStyleSheet(QString(
"*[bgColor=\"1\"]{background-color:rgba(255,68,68,33%);}"
"*[bgColor=\"2\"]{background-color:rgba(255,255,68,33%);}"
"*[bgColor=\"3\"]{background-color:rgba(68,255,68,33%);}"
"*[bgColor=\"4\"]{background-color:rgba(68,255,255,33%);}"
"*[bgColor=\"5\"]{background-color:rgba(68,68,255,33%);}"
"*[bgColor=\"6\"]{background-color:rgba(255,68,255,33%);}"
"*[bgColor=\"7\"]{background-color:rgba(68,68,68,33%);}"
"*[bgColor=\"8\"]{background-color:rgba(255,255,255,33%);}"));
setMouseTracking(true);
UpdateNoSourcesMessage();
connect(App(), &OBSApp::StyleChanged, this,
&SourceTree::UpdateNoSourcesMessage);
connect(App(), &OBSApp::StyleChanged, this, &SourceTree::UpdateIcons);
}
void SourceTree::UpdateIcons()
{
SourceTreeModel *stm = GetStm();
stm->SceneChanged();
}
void SourceTree::SetIconsVisible(bool visible)
{
SourceTreeModel *stm = GetStm();
iconsVisible = visible;
stm->SceneChanged();
}
void SourceTree::ResetWidgets()
{
OBSScene scene = GetCurrentScene();
SourceTreeModel *stm = GetStm();
stm->UpdateGroupState(false);
for (int i = 0; i < stm->items.count(); i++) {
QModelIndex index = stm->createIndex(i, 0, nullptr);
setIndexWidget(index, new SourceTreeItem(this, stm->items[i]));
}
}
void SourceTree::UpdateWidget(const QModelIndex &idx, obs_sceneitem_t *item)
{
setIndexWidget(idx, new SourceTreeItem(this, item));
}
void SourceTree::UpdateWidgets(bool force)
{
SourceTreeModel *stm = GetStm();
for (int i = 0; i < stm->items.size(); i++) {
obs_sceneitem_t *item = stm->items[i];
SourceTreeItem *widget = GetItemWidget(i);
if (!widget) {
UpdateWidget(stm->createIndex(i, 0), item);
} else {
widget->Update(force);
}
}
}
void SourceTree::SelectItem(obs_sceneitem_t *sceneitem, bool select)
{
SourceTreeModel *stm = GetStm();
int i = 0;
for (; i < stm->items.count(); i++) {
if (stm->items[i] == sceneitem)
break;
}
if (i == stm->items.count())
return;
QModelIndex index = stm->createIndex(i, 0);
if (index.isValid())
selectionModel()->select(
index, select ? QItemSelectionModel::Select
: QItemSelectionModel::Deselect);
}
Q_DECLARE_METATYPE(OBSSceneItem);
void SourceTree::mouseDoubleClickEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton)
QListView::mouseDoubleClickEvent(event);
}
void SourceTree::dropEvent(QDropEvent *event)
{
if (event->source() != this) {
QListView::dropEvent(event);
return;
}
OBSScene scene = GetCurrentScene();
SourceTreeModel *stm = GetStm();
auto &items = stm->items;
QModelIndexList indices = selectedIndexes();
DropIndicatorPosition indicator = dropIndicatorPosition();
int row = indexAt(event->pos()).row();
bool emptyDrop = row == -1;
if (emptyDrop) {
if (!items.size()) {
QListView::dropEvent(event);
return;
}
row = items.size() - 1;
indicator = QAbstractItemView::BelowItem;
}
/* --------------------------------------- */
/* store destination group if moving to a */
/* group */
obs_sceneitem_t *dropItem = items[row]; /* item being dropped on */
bool itemIsGroup = obs_sceneitem_is_group(dropItem);
obs_sceneitem_t *dropGroup =
itemIsGroup ? dropItem
: obs_sceneitem_get_group(scene, dropItem);
/* not a group if moving above the group */
if (indicator == QAbstractItemView::AboveItem && itemIsGroup)
dropGroup = nullptr;
if (emptyDrop)
dropGroup = nullptr;
/* --------------------------------------- */
/* remember to remove list items if */
/* dropping on collapsed group */
bool dropOnCollapsed = false;
if (dropGroup) {
obs_data_t *data =
obs_sceneitem_get_private_settings(dropGroup);
dropOnCollapsed = obs_data_get_bool(data, "collapsed");
obs_data_release(data);
}
if (indicator == QAbstractItemView::BelowItem ||
indicator == QAbstractItemView::OnItem)
row++;
if (row < 0 || row > stm->items.count()) {
QListView::dropEvent(event);
return;
}
/* --------------------------------------- */
/* determine if any base group is selected */
bool hasGroups = false;
for (int i = 0; i < indices.size(); i++) {
obs_sceneitem_t *item = items[indices[i].row()];
if (obs_sceneitem_is_group(item)) {
hasGroups = true;
break;
}
}
/* --------------------------------------- */
/* if dropping a group, detect if it's */
/* below another group */
obs_sceneitem_t *itemBelow;
if (row == stm->items.count())
itemBelow = nullptr;
else
itemBelow = stm->items[row];
if (hasGroups) {
if (!itemBelow ||
obs_sceneitem_get_group(scene, itemBelow) != dropGroup) {
indicator = QAbstractItemView::BelowItem;
dropGroup = nullptr;
dropOnCollapsed = false;
}
}
/* --------------------------------------- */
/* if dropping groups on other groups, */
/* disregard as invalid drag/drop */
if (dropGroup && hasGroups) {
QListView::dropEvent(event);
return;
}
/* --------------------------------------- */
/* if selection includes base group items, */
/* include all group sub-items and treat */
/* them all as one */
if (hasGroups) {
/* remove sub-items if selected */
for (int i = indices.size() - 1; i >= 0; i--) {
obs_sceneitem_t *item = items[indices[i].row()];
obs_scene_t *itemScene = obs_sceneitem_get_scene(item);
if (itemScene != scene) {
indices.removeAt(i);
}
}
/* add all sub-items of selected groups */
for (int i = indices.size() - 1; i >= 0; i--) {
obs_sceneitem_t *item = items[indices[i].row()];
if (obs_sceneitem_is_group(item)) {
for (int j = items.size() - 1; j >= 0; j--) {
obs_sceneitem_t *subitem = items[j];
obs_sceneitem_t *subitemGroup =
obs_sceneitem_get_group(
scene, subitem);
if (subitemGroup == item) {
QModelIndex idx =
stm->createIndex(j, 0);
indices.insert(i + 1, idx);
}
}
}
}
}
/* --------------------------------------- */
/* build persistent indices */
QList<QPersistentModelIndex> persistentIndices;
persistentIndices.reserve(indices.count());
for (QModelIndex &index : indices)
persistentIndices.append(index);
std::sort(persistentIndices.begin(), persistentIndices.end());
/* --------------------------------------- */
/* move all items to destination index */
int r = row;
for (auto &persistentIdx : persistentIndices) {
int from = persistentIdx.row();
int to = r;
int itemTo = to;
if (itemTo > from)
itemTo--;
if (itemTo != from) {
stm->beginMoveRows(QModelIndex(), from, from,
QModelIndex(), to);
MoveItem(items, from, itemTo);
stm->endMoveRows();
}
r = persistentIdx.row() + 1;
}
std::sort(persistentIndices.begin(), persistentIndices.end());
int firstIdx = persistentIndices.front().row();
int lastIdx = persistentIndices.back().row();
/* --------------------------------------- */
/* reorder scene items in back-end */
QVector<struct obs_sceneitem_order_info> orderList;
obs_sceneitem_t *lastGroup = nullptr;
int insertCollapsedIdx = 0;
auto insertCollapsed = [&](obs_sceneitem_t *item) {
struct obs_sceneitem_order_info info;
info.group = lastGroup;
info.item = item;
orderList.insert(insertCollapsedIdx++, info);
};
using insertCollapsed_t = decltype(insertCollapsed);
auto preInsertCollapsed = [](obs_scene_t *, obs_sceneitem_t *item,
void *param) {
(*reinterpret_cast<insertCollapsed_t *>(param))(item);
return true;
};
auto insertLastGroup = [&]() {
obs_data_t *data =
obs_sceneitem_get_private_settings(lastGroup);
bool collapsed = obs_data_get_bool(data, "collapsed");
obs_data_release(data);
if (collapsed) {
insertCollapsedIdx = 0;
obs_sceneitem_group_enum_items(lastGroup,
preInsertCollapsed,
&insertCollapsed);
}
struct obs_sceneitem_order_info info;
info.group = nullptr;
info.item = lastGroup;
orderList.insert(0, info);
};
auto updateScene = [&]() {
struct obs_sceneitem_order_info info;
for (int i = 0; i < items.size(); i++) {
obs_sceneitem_t *item = items[i];
obs_sceneitem_t *group;
if (obs_sceneitem_is_group(item)) {
if (lastGroup) {
insertLastGroup();
}
lastGroup = item;
continue;
}
if (!hasGroups && i >= firstIdx && i <= lastIdx)
group = dropGroup;
else
group = obs_sceneitem_get_group(scene, item);
if (lastGroup && lastGroup != group) {
insertLastGroup();
}
lastGroup = group;
info.group = group;
info.item = item;
orderList.insert(0, info);
}
if (lastGroup) {
insertLastGroup();
}
obs_scene_reorder_items2(scene, orderList.data(),
orderList.size());
};
using updateScene_t = decltype(updateScene);
auto preUpdateScene = [](void *data, obs_scene_t *) {
(*reinterpret_cast<updateScene_t *>(data))();
};
ignoreReorder = true;
obs_scene_atomic_update(scene, preUpdateScene, &updateScene);
ignoreReorder = false;
/* --------------------------------------- */
/* remove items if dropped in to collapsed */
/* group */
if (dropOnCollapsed) {
stm->beginRemoveRows(QModelIndex(), firstIdx, lastIdx);
items.remove(firstIdx, lastIdx - firstIdx + 1);
stm->endRemoveRows();
}
/* --------------------------------------- */
/* update widgets and accept event */
UpdateWidgets(true);
event->accept();
event->setDropAction(Qt::CopyAction);
QListView::dropEvent(event);
}
void SourceTree::mouseMoveEvent(QMouseEvent *event)
{
QPoint pos = event->pos();
SourceTreeItem *item = qobject_cast<SourceTreeItem *>(childAt(pos));
OBSBasicPreview *preview = OBSBasicPreview::Get();
QListView::mouseMoveEvent(event);
std::lock_guard<std::mutex> lock(preview->selectMutex);
preview->hoveredPreviewItems.clear();
if (item)
preview->hoveredPreviewItems.push_back(item->sceneitem);
}
void SourceTree::leaveEvent(QEvent *event)
{
OBSBasicPreview *preview = OBSBasicPreview::Get();
QListView::leaveEvent(event);
std::lock_guard<std::mutex> lock(preview->selectMutex);
preview->hoveredPreviewItems.clear();
}
void SourceTree::selectionChanged(const QItemSelection &selected,
const QItemSelection &deselected)
{
{
SignalBlocker sourcesSignalBlocker(this);
SourceTreeModel *stm = GetStm();
QModelIndexList selectedIdxs = selected.indexes();
QModelIndexList deselectedIdxs = deselected.indexes();
for (int i = 0; i < selectedIdxs.count(); i++) {
int idx = selectedIdxs[i].row();
obs_sceneitem_select(stm->items[idx], true);
}
for (int i = 0; i < deselectedIdxs.count(); i++) {
int idx = deselectedIdxs[i].row();
obs_sceneitem_select(stm->items[idx], false);
}
}
QListView::selectionChanged(selected, deselected);
}
void SourceTree::Edit(int row)
{
SourceTreeModel *stm = GetStm();
if (row < 0 || row >= stm->items.count())
return;
QModelIndex index = stm->createIndex(row, 0);
QWidget *widget = indexWidget(index);
SourceTreeItem *itemWidget = reinterpret_cast<SourceTreeItem *>(widget);
if (itemWidget->IsEditing())
return;
itemWidget->EnterEditMode();
edit(index);
}
bool SourceTree::MultipleBaseSelected() const
{
SourceTreeModel *stm = GetStm();
QModelIndexList selectedIndices = selectedIndexes();
OBSScene scene = GetCurrentScene();
if (selectedIndices.size() < 1) {
return false;
}
for (auto &idx : selectedIndices) {
obs_sceneitem_t *item = stm->items[idx.row()];
if (obs_sceneitem_is_group(item)) {
return false;
}
obs_scene *itemScene = obs_sceneitem_get_scene(item);
if (itemScene != scene) {
return false;
}
}
return true;
}
bool SourceTree::GroupsSelected() const
{
SourceTreeModel *stm = GetStm();
QModelIndexList selectedIndices = selectedIndexes();
OBSScene scene = GetCurrentScene();
if (selectedIndices.size() < 1) {
return false;
}
for (auto &idx : selectedIndices) {
obs_sceneitem_t *item = stm->items[idx.row()];
if (!obs_sceneitem_is_group(item)) {
return false;
}
}
return true;
}
bool SourceTree::GroupedItemsSelected() const
{
SourceTreeModel *stm = GetStm();
QModelIndexList selectedIndices = selectedIndexes();
OBSScene scene = GetCurrentScene();
if (!selectedIndices.size()) {
return false;
}
for (auto &idx : selectedIndices) {
obs_sceneitem_t *item = stm->items[idx.row()];
obs_scene *itemScene = obs_sceneitem_get_scene(item);
if (itemScene != scene) {
return true;
}
}
return false;
}
void SourceTree::Remove(OBSSceneItem item)
{
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
GetStm()->Remove(item);
main->SaveProject();
if (!main->SavingDisabled()) {
obs_scene_t *scene = obs_sceneitem_get_scene(item);
obs_source_t *sceneSource = obs_scene_get_source(scene);
obs_source_t *itemSource = obs_sceneitem_get_source(item);
blog(LOG_INFO, "User Removed source '%s' (%s) from scene '%s'",
obs_source_get_name(itemSource),
obs_source_get_id(itemSource),
obs_source_get_name(sceneSource));
}
}
void SourceTree::GroupSelectedItems()
{
QModelIndexList indices = selectedIndexes();
std::sort(indices.begin(), indices.end());
GetStm()->GroupSelectedItems(indices);
}
void SourceTree::UngroupSelectedGroups()
{
QModelIndexList indices = selectedIndexes();
GetStm()->UngroupSelectedGroups(indices);
}
void SourceTree::AddGroup()
{
GetStm()->AddGroup();
}
void SourceTree::UpdateNoSourcesMessage()
{
std::string darkPath;
GetDataFilePath("themes/Dark/no_sources.svg", darkPath);
QColor color = palette().text().color();
bool lightTheme = (color.redF() < 0.5);
QString file = lightTheme ? ":res/images/no_sources.svg"
: darkPath.c_str();
iconNoSources.load(file);
QTextOption opt(Qt::AlignHCenter);
opt.setWrapMode(QTextOption::WordWrap);
textNoSources.setTextOption(opt);
textNoSources.setText(QTStr("NoSources.Label").replace("\n", "<br/>"));
textPrepared = false;
}
void SourceTree::paintEvent(QPaintEvent *event)
{
SourceTreeModel *stm = GetStm();
if (stm && !stm->items.count()) {
QPainter p(viewport());
if (!textPrepared) {
textNoSources.prepare(QTransform(), p.font());
textPrepared = true;
}
QRectF iconRect = iconNoSources.viewBoxF();
QSizeF iconSize = iconRect.size();
QSizeF textSize = textNoSources.size();
QSizeF thisSize = size();
qreal totalHeight = textSize.height() + iconSize.height();
qreal x = thisSize.width() / 2.0 - textSize.width() / 2.0;
qreal y = thisSize.height() / 2.0 - totalHeight / 2.0;
p.drawStaticText(x, y, textNoSources);
x = thisSize.width() / 2.0 - iconSize.width() / 2.0;
y += textSize.height();
iconRect.moveTo(x, y);
iconNoSources.render(&p, iconRect);
} else {
QListView::paintEvent(event);
}
}