Qt/MemoryViewWidget: Add option to copy the actually displayed cell value to clipboard.

This commit is contained in:
Admiral H. Curtiss 2022-04-24 06:30:40 +02:00
parent 54ec0bd0d0
commit 6920a24f1d
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GPG Key ID: F051B4C4044F33FB
1 changed files with 36 additions and 13 deletions

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@ -28,6 +28,10 @@
// 120; i.e., 120 units * 1/8 = 15 degrees." (http://doc.qt.io/qt-5/qwheelevent.html#angleDelta)
constexpr double SCROLL_FRACTION_DEGREES = 15.;
constexpr auto USER_ROLE_IS_ROW_BREAKPOINT_CELL = Qt::UserRole;
constexpr auto USER_ROLE_CELL_ADDRESS = Qt::UserRole + 1;
constexpr auto USER_ROLE_HAS_VALUE = Qt::UserRole + 2;
MemoryViewWidget::MemoryViewWidget(QWidget* parent) : QTableWidget(parent)
{
horizontalHeader()->hide();
@ -158,15 +162,19 @@ void MemoryViewWidget::Update()
auto* bp_item = new QTableWidgetItem;
bp_item->setFlags(Qt::ItemIsEnabled);
bp_item->setData(Qt::UserRole, row_address);
bp_item->setData(USER_ROLE_IS_ROW_BREAKPOINT_CELL, true);
bp_item->setData(USER_ROLE_CELL_ADDRESS, row_address);
bp_item->setData(USER_ROLE_HAS_VALUE, false);
setItem(i, 0, bp_item);
auto* row_item =
new QTableWidgetItem(QStringLiteral("%1").arg(row_address, 8, 16, QLatin1Char('0')));
row_item->setData(Qt::UserRole, row_address);
row_item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
row_item->setData(USER_ROLE_IS_ROW_BREAKPOINT_CELL, false);
row_item->setData(USER_ROLE_CELL_ADDRESS, row_address);
row_item->setData(USER_ROLE_HAS_VALUE, false);
setItem(i, 1, row_item);
@ -179,7 +187,9 @@ void MemoryViewWidget::Update()
{
auto* item = new QTableWidgetItem(QStringLiteral("-"));
item->setFlags(Qt::ItemIsEnabled);
item->setData(Qt::UserRole, row_address);
item->setData(USER_ROLE_IS_ROW_BREAKPOINT_CELL, false);
item->setData(USER_ROLE_CELL_ADDRESS, row_address);
item->setData(USER_ROLE_HAS_VALUE, false);
setItem(i, c, item);
}
@ -245,7 +255,7 @@ void MemoryViewWidget::UpdateColumns(Type type, int first_column)
for (int i = 0; i < rowCount(); i++)
{
u32 row_address = item(i, 1)->data(Qt::UserRole).toUInt();
u32 row_address = item(i, 1)->data(USER_ROLE_CELL_ADDRESS).toUInt();
if (!accessors->IsValidAddress(row_address))
continue;
@ -263,13 +273,17 @@ void MemoryViewWidget::UpdateColumns(Type type, int first_column)
if (accessors->IsValidAddress(cell_address))
{
cell_item->setText(value_to_string(cell_address));
cell_item->setData(Qt::UserRole, cell_address);
cell_item->setData(USER_ROLE_IS_ROW_BREAKPOINT_CELL, false);
cell_item->setData(USER_ROLE_CELL_ADDRESS, cell_address);
cell_item->setData(USER_ROLE_HAS_VALUE, true);
}
else
{
cell_item->setFlags({});
cell_item->setText(QStringLiteral("-"));
cell_item->setData(Qt::UserRole, cell_address);
cell_item->setData(USER_ROLE_IS_ROW_BREAKPOINT_CELL, false);
cell_item->setData(USER_ROLE_CELL_ADDRESS, cell_address);
cell_item->setData(USER_ROLE_HAS_VALUE, false);
}
}
};
@ -371,7 +385,7 @@ void MemoryViewWidget::UpdateBreakpointTags()
{
// Pull address from cell itself, helpful for dual column view.
auto cell = item(i, c);
u32 address = cell->data(Qt::UserRole).toUInt();
u32 address = cell->data(USER_ROLE_CELL_ADDRESS).toUInt();
if (address == 0)
{
@ -539,7 +553,7 @@ void MemoryViewWidget::mousePressEvent(QMouseEvent* event)
if (item_selected == nullptr)
return;
const u32 address = item(row(item_selected), 1)->data(Qt::UserRole).toUInt();
const u32 address = item(row(item_selected), 1)->data(USER_ROLE_CELL_ADDRESS).toUInt();
switch (event->button())
{
@ -576,12 +590,13 @@ void MemoryViewWidget::OnContextMenu(const QPoint& pos)
{
auto* item_selected = itemAt(pos);
// we don't have a meaningful context menu to show for when the user right-clicks free space in
// the table
if (!item_selected)
// We don't have a meaningful context menu to show for when the user right-clicks either free
// space in the table or the row breakpoint cell.
if (!item_selected || item_selected->data(USER_ROLE_IS_ROW_BREAKPOINT_CELL).toBool())
return;
const u32 addr = item_selected->data(Qt::UserRole).toUInt();
const bool item_has_value = item_selected->data(USER_ROLE_HAS_VALUE).toBool();
const u32 addr = item_selected->data(USER_ROLE_CELL_ADDRESS).toUInt();
auto* menu = new QMenu(this);
@ -590,9 +605,17 @@ void MemoryViewWidget::OnContextMenu(const QPoint& pos)
auto* copy_hex = menu->addAction(tr("Copy Hex"), this, [this, addr] { OnCopyHex(addr); });
const AddressSpace::Accessors* accessors = AddressSpace::GetAccessors(m_address_space);
copy_hex->setEnabled(Core::GetState() != Core::State::Uninitialized &&
copy_hex->setEnabled(item_has_value && Core::GetState() != Core::State::Uninitialized &&
accessors->IsValidAddress(addr));
auto* copy_value = menu->addAction(tr("Copy Value"), this, [this, &pos] {
// Re-fetch the item in case the underlying table has refreshed since the menu was opened.
auto* item = itemAt(pos);
if (item && item->data(USER_ROLE_HAS_VALUE).toBool())
QApplication::clipboard()->setText(item->text());
});
copy_value->setEnabled(item_has_value);
menu->addSeparator();
menu->addAction(tr("Show in code"), this, [this, addr] { emit ShowCode(addr); });