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Reimplement data loading and handling for the Edit Cell

Browse Source 
This uses a somewhat different approach to the previous
one.  It now selectively stores the data into either
the text *or* hex widget buffer, and only copies the
data between them when the edit mode is changed.

Additionally, unneeded copy operations are minimised
where possible to reduce overall slowdown.:
This commit is contained in:
Justin Clift
2016-08-09 13:04:32 +01:00
parent ced6b57bd8
commit b835ae800b
5 changed files with 258 additions and 147 deletions
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12
src/MainWindow.cpp
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@@ -203,7 +203,7 @@ void MainWindow::init()
connect(ui->dataTable->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setRecordsetLabel()));
connect(ui->dataTable->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(updateBrowseDataColumnWidth(int,int,int)));
connect(editDock, SIGNAL(goingAway()), this, SLOT(editDockAway()));
connect(editDock, SIGNAL(updateRecordText(int, int, bool, QByteArray)), this, SLOT(updateRecordText(int, int, bool, QByteArray)));
connect(editDock, SIGNAL(recordTextUpdated(int, int, bool, QByteArray)), this, SLOT(updateRecordText(int, int, bool, QByteArray)));
connect(ui->dbTreeWidget->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)), this, SLOT(changeTreeSelection()));
connect(ui->dataTable->horizontalHeader(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(showDataColumnPopupMenu(QPoint)));
connect(ui->dataTable->verticalHeader(), SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(showRecordPopupMenu(QPoint)));
@@ -840,7 +840,10 @@ void MainWindow::doubleClickTable(const QModelIndex& index)
editDock->allowEditing(allowEditing);
// Load the current value into the edit dock
editDock->loadText(index.data(Qt::EditRole).toByteArray(), index.row(), index.column());
QByteArray cellData = index.data(Qt::EditRole).toByteArray();
int cellRow = index.row();
int cellColumn = index.column();
editDock->loadDataFromCell(cellData, cellRow, cellColumn);
// Show the edit dock
ui->dockEdit->setVisible(true);
@@ -863,7 +866,10 @@ void MainWindow::dataTableSelectionChanged(const QModelIndex& index)
// If the Edit Cell dock is visible, load the new value into it
if (editDock->isVisible()) {
editDock->loadText(index.data(Qt::EditRole).toByteArray(), index.row(), index.column());
QByteArray cellData = index.data(Qt::EditRole).toByteArray();
int cellRow = index.row();
int cellColumn = index.column();
editDock->loadDataFromCell(cellData, cellRow, cellColumn);
}
}