106 lines
2.6 KiB
Objective-C
106 lines
2.6 KiB
Objective-C
// 29 july 2014
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#import "objc_darwin.h"
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#import "_cgo_export.h"
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#import <Cocoa/Cocoa.h>
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#define toNSTableView(x) ((NSTableView *) (x))
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@interface goTableDataSource : NSObject <NSTableViewDataSource> {
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@public
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void *gotable;
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}
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@end
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@implementation goTableDataSource
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- (NSInteger)numberOfRowsInTableView:(NSTableView *)view
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{
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return (NSInteger) goTableDataSource_getRowCount(self->gotable);
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}
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- (id)tableView:(NSTableView *)view objectValueForTableColumn:(NSTableColumn *)col row:(NSInteger)row
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{
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char *str;
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NSString *s;
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// TODO there has to be a better way to get the column index
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str = goTableDataSource_getValue(self->gotable, (intptr_t) row, (intptr_t) [[view tableColumns] indexOfObject:col]);
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s = [NSString stringWithUTF8String:str];
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free(str); // allocated with C.CString() on the Go side
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return s;
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}
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@end
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id newTable(void)
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{
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NSTableView *t;
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t = [[NSTableView alloc] initWithFrame:NSZeroRect];
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[t setAllowsColumnReordering:NO];
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[t setAllowsColumnResizing:YES];
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[t setAllowsMultipleSelection:NO];
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[t setAllowsEmptySelection:YES];
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[t setAllowsColumnSelection:NO];
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return (id) t;
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}
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void tableAppendColumn(id t, char *name)
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{
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NSTableColumn *c;
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c = [[NSTableColumn alloc] initWithIdentifier:nil];
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[c setEditable:NO];
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[[c headerCell] setStringValue:[NSString stringWithUTF8String:name]];
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setSmallControlFont((id) [c headerCell]);
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setStandardControlFont((id) [c dataCell]);
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// TODO text layout options
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[toNSTableView(t) addTableColumn:c];
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}
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void tableUpdate(id t)
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{
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[toNSTableView(t) reloadData];
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}
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void tableMakeDataSource(id table, void *gotable)
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{
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goTableDataSource *model;
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model = [goTableDataSource new];
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model->gotable = gotable;
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[toNSTableView(table) setDataSource:model];
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}
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// -[NSTableView sizeToFit] does not actually size to fit
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// -[NSTableColumn sizeToFit] is just for the header
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// -[NSTableColumn sizeToFit] can work for guessing but overrides user settings
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// -[[NSTableColumn headerCell] cellSize] does NOT (despite being documented as returning the minimum needed size)
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// Let's write our own to prefer:
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// - width of the sum of all columns's current widths
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// - height of 5 rows (arbitrary count; seems reasonable) + header view height
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// Hopefully this is reasonable.
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struct xsize tablePreferredSize(id control)
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{
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NSTableView *t;
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NSArray *columns;
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struct xsize s;
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NSUInteger i, n;
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NSTableColumn *c;
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t = toNSTableView(control);
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columns = [t tableColumns];
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n = [columns count];
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s.width = 0;
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for (i = 0; i < n; i++) {
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CGFloat width;
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c = (NSTableColumn *) [columns objectAtIndex:i];
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s.width += (intptr_t) [c width];
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}
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s.height = 5 * (intptr_t) [t rowHeight];
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s.height += (intptr_t) [[t headerView] frame].size.height;
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return s;
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}
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