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Enable drag and drop of terminal tree widget item

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This commit is contained in:
joshua
2021-04-09 14:16:22 +02:00
parent d3ad490b84
commit 171e95fb17
5 changed files with 107 additions and 19 deletions
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81
sources/TerminalStrip/ui/terminalstriptreewidget.cpp
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@@ -1,4 +1,4 @@
/*
/*
Copyright 2006-2021 The QElectroTech Team
This file is part of QElectroTech.
@@ -31,7 +31,7 @@ TerminalStripTreeWidget::TerminalStripTreeWidget(QWidget *parent) :
QStringList TerminalStripTreeWidget::mimeTypes() const
{
QStringList strl(QStringLiteral("application/x-qet-terminal-strip-tree-item"));
QStringList strl(QStringLiteral("application/x-qet-terminal-strip-tree-terminal-uuid"));
return strl;
}
@@ -43,13 +43,13 @@ void TerminalStripTreeWidget::startDrag(Qt::DropActions supportedActions)
auto item = currentItem();
if (!item ||
item->type() != TerminalStripTreeWidget::FreeTerminal) {
item->type() != TerminalStripTreeWidget::Terminal) {
return;
}
QDrag drag(this);
auto mime_data = new QMimeData();
mime_data->setData("application/x-qet-terminal-strip-tree-item", item->data(0, UUID_USER_ROLE).toString().toLatin1());
mime_data->setData("application/x-qet-terminal-strip-tree-terminal-uuid", item->data(0, UUID_USER_ROLE).toString().toLatin1());
drag.setMimeData(mime_data);
drag.setPixmap(QET::Icons::ElementTerminal.pixmap(16,16));
@@ -58,20 +58,81 @@ void TerminalStripTreeWidget::startDrag(Qt::DropActions supportedActions)
void TerminalStripTreeWidget::dragMoveEvent(QDragMoveEvent *event)
{
auto strl = event->mimeData()->formats();
if (strl.size() != 1 ||
strl.first() != "application/x-qet-terminal-strip-tree-terminal-uuid") {
event->ignore();
return;
}
//Accepted move are :
//free terminal to terminal strip
//terminal strip to another terminal strip
//terminal strip to free terminal
//All other other move is ignored
QTreeWidget::dragMoveEvent(event);
auto item = itemAt(event->pos());
auto overred_item = itemAt(event->pos());
auto dragged_item = currentItem();
if (!overred_item ||
!dragged_item ||
!dragged_item->parent()) {
return;
}
//Ignore the event by default, we confirm it bellow if needed.
event->ignore();
if (item &&
item->type() == TerminalStripTreeWidget::Strip) {
//Move terminal
if (dragged_item->parent()->type() == FreeTerminal && //From free to strip
overred_item->type() == Strip) {
event->accept();
} else {
event->ignore();
}
else if (dragged_item->parent()->type() == Strip) //From strip to ...
{
if (overred_item->type() == FreeTerminal) { //Free terminal
event->accept();
} else if (overred_item->type() == Strip && //Another strip
dragged_item->parent() != overred_item) {
event->accept();
}
}
}
void TerminalStripTreeWidget::dropEvent(QDropEvent *event)
{}
{
auto overred_item = itemAt(event->pos());
auto dragged_item = currentItem();
if (!overred_item ||
!dragged_item ||
!dragged_item->parent()) {
return;
}
dragged_item->parent()->removeChild(dragged_item);
overred_item->addChild(dragged_item);
//Move terminal
if (dragged_item->parent()->type() == FreeTerminal && //From free to strip
overred_item->type() == Strip) {
emit terminalAddedToStrip(QUuid::fromString(dragged_item->data(0, UUID_USER_ROLE).toString()),
QUuid::fromString(overred_item->data(0, UUID_USER_ROLE).toString()));
}
else if (dragged_item->parent()->type() == Strip) //From strip to ...
{
if (overred_item->type() == FreeTerminal) //Free terminal
{
emit terminalRemovedFromStrip(QUuid::fromString(dragged_item->data(0, UUID_USER_ROLE).toString()),
QUuid::fromString(overred_item->data(0, UUID_USER_ROLE).toString()));
}
else if (overred_item->type() == Strip && //Another strip
dragged_item->parent() != overred_item)
{
emit terminalMovedFromStripToStrip(QUuid::fromString(dragged_item->data(0, UUID_USER_ROLE).toString()),
QUuid::fromString(dragged_item->parent()->data(0, UUID_USER_ROLE).toString()),
QUuid::fromString(overred_item->data(0, UUID_USER_ROLE).toString()));
}
}
}
Qt::DropActions TerminalStripTreeWidget::supportedDropActions() const {
return Qt::MoveAction;