HandBrake/macosx/HBTableView.m

79 lines
2.2 KiB
Objective-C

/* HBTableView.m $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#import "HBTableView.h"
@implementation HBTableView
/**
* An index set containing the indexes of the targeted rows.
* If the selected row indexes contain the clicked row index, it returns every selected row,
* otherwise it returns only the clicked row index.
*/
- (NSIndexSet *)targetedRowIndexes
{
NSMutableIndexSet *rowIndexes = [NSMutableIndexSet indexSet];
NSIndexSet *selectedRowIndexes = self.selectedRowIndexes;
NSInteger clickedRow = self.clickedRow;
if (clickedRow != -1)
{
[rowIndexes addIndex:clickedRow];
// If we clicked on a selected row, then we want to consider all rows in the selection. Otherwise, we only consider the clicked on row.
if ([selectedRowIndexes containsIndex:clickedRow])
{
[rowIndexes addIndexes:selectedRowIndexes];
}
}
else
{
[rowIndexes addIndexes:selectedRowIndexes];
}
return [rowIndexes copy];
}
- (void)keyDown:(NSEvent *)event
{
id delegate = self.delegate;
NSString *characters = [event charactersIgnoringModifiers];
if (characters.length)
{
unichar key = [characters characterAtIndex:0];
if ((key == NSDeleteCharacter || key == NSDeleteFunctionKey) &&
[delegate respondsToSelector:@selector(HB_deleteSelectionFromTableView:)])
{
if (self.selectedRow == -1)
{
NSBeep();
}
else
{
[delegate HB_deleteSelectionFromTableView:self];
}
return;
}
else if (key == NSLeftArrowFunctionKey &&
[delegate respondsToSelector:@selector(HB_collapseSelectionFromTableView:)])
{
[delegate HB_collapseSelectionFromTableView:self];
return;
}
else if (key == NSRightArrowFunctionKey &&
[delegate respondsToSelector:@selector(HB_expandSelectionFromTableView:)])
{
[delegate HB_expandSelectionFromTableView:self];
return;
}
}
[super keyDown:event];
}
@end