Re: NSTableView and data cell formatter

[Riccardo Mottola]

Hoi Fred,

(sorry for the double mails, I need to remove your private mail each time)

Fred Kiefer wrote:
> What you could do now is run TalkSoup in gdb and set a breakpoint on the 
> description method of the class Channel, you may need to define that method, if 
> it doesn't exist. As soon as the code hits your breakpoint, get the stack trace 
> and report back.
I subclassed the method, put an NSLog and got the stacktrace easily.

This is the trace as soon as a cell is selected. It is very long, I 
thought of a loop, but not.

#0  -[ChannelUser description] (self=0x84ee028,
    _cmd=0xb541ba28 <_OBJC_SELECTOR_TABLE+296>) at Models/Channel.m:131
#1  0xb50b5972 in -[NSCell setObjectValue:] (self=0x8524be0,
    _cmd=0xb53fba00 <_OBJC_SELECTOR_TABLE+128>, object=0x84ee028)
    at NSCell.m:378
#2  0xb506849d in -[NSActionCell setObjectValue:] (self=0x8524be0,
    _cmd=0xb54e8750 <_OBJC_SELECTOR_TABLE+2576>, anObject=0x84ee028)
    at NSActionCell.m:228
#3  0xb5243677 in -[GSTheme(Drawing) drawTableViewRow:clipRect:inView:] (
    self=0x822eb20, _cmd=0xb5499c48 <_OBJC_SELECTOR_TABLE+2248>, 
rowIndex=1,
    clipRect=..., view=0x857a028) at GSThemeDrawing.m:3149
#4  0xb519d074 in -[NSTableView drawRow:clipRect:] (self=0x857a028,
    _cmd=0xb54e86b8 <_OBJC_SELECTOR_TABLE+2424>, rowIndex=1, clipRect=...)
    at NSTableView.m:4992
#5  0xb5240c35 in -[GSTheme(Drawing) drawTableViewRect:inView:] (
    self=0x822eb20, _cmd=0xb5499c68 <_OBJC_SELECTOR_TABLE+2280>, aRect=...,
    view=0x857a028) at GSThemeDrawing.m:2976
#6  0xb519d240 in -[NSTableView drawRect:] (self=0x857a028,
    _cmd=0xb54b7b40 <_OBJC_SELECTOR_TABLE+2112>, aRect=...)
    at NSTableView.m:5023
#7  0xb51e792a in -[NSView displayRectIgnoringOpacity:inContext:] (
    self=0x857a028, _cmd=0xb54b7b30 <_OBJC_SELECTOR_TABLE+2096>, aRect=...,
    context=0x854bb10) at NSView.m:2570
#8  0xb51dc6ab in -[NSView displayRectIgnoringOpacity:] (self=0x857a028,
    _cmd=0xb54b7b20 <_OBJC_SELECTOR_TABLE+2080>, aRect=...) at 
NSView.m:2519
#9  0xb51e751f in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x857a028, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2450
#10 0xb51e7751 in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x853c1e8, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2476
#11 0xb51e7751 in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x85222a8, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2476
#12 0xb51e7751 in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x8507448, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2476
#13 0xb51e7751 in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x8577540, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2476
#14 0xb51e7751 in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x8543b40, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2476
#15 0xb51e7751 in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x854cac0, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2476
#16 0xb51e7751 in -[NSView displayIfNeededInRectIgnoringOpacity:] (
    self=0x854aac0, _cmd=0xb54b7b10 <_OBJC_SELECTOR_TABLE+2064>, aRect=...)
    at NSView.m:2476
#17 0xb51dc576 in -[NSView displayIfNeededInRect:] (self=0x854aac0,
    _cmd=0xb54b7b08 <_OBJC_SELECTOR_TABLE+2056>, aRect=...) at 
NSView.m:2428
#18 0xb51dc3e7 in -[NSView displayIfNeeded] (self=0x854aac0,
    _cmd=0xb54beb18 <_OBJC_SELECTOR_TABLE+2456>) at NSView.m:2410
#19 0xb51ee63f in -[NSWindow displayIfNeeded] (self=0x854a9b0,
    _cmd=0xb54be508 <_OBJC_SELECTOR_TABLE+904>) at NSWindow.m:2431
#20 0xb51ecf88 in -[NSWindow(GNUstepPrivate) _handleAutodisplay] (
    self=0x854a9b0, _cmd=0xb54be520 <_OBJC_SELECTOR_TABLE+928>)
    at NSWindow.m:189
#21 0xb51f7fab in +[NSWindow(GNUstepPrivate) _handleAutodisplay:] (
    self=0xb5405720 <_OBJC_Class_NSIconWindow>,
    _cmd=0xb54be530 <_OBJC_SELECTOR_TABLE+944>, bogus=0x0) at 
NSWindow.m:218
#22 0xb7c3102a in -[NSObject performSelector:withObject:] (
    self=0xb5405720 <_OBJC_Class_NSIconWindow>,
    _cmd=0xb7f7c678 <_OBJC_SELECTOR_TABLE+56>,
    aSelector=0xb54be530 <_OBJC_SELECTOR_TABLE+944>, anObject=0x0)
    at NSObject.m:2049
#23 0xb7c67449 in -[GSRunLoopPerformer fire] (self=0x8523ef8,
    _cmd=0xb7f7c748 <_OBJC_SELECTOR_TABLE+264>) at NSRunLoop.m:110
#24 0xb7c6c079 in -[NSRunLoop(Private) _checkPerformers:] (self=0x81ce398,
    _cmd=0xb7f7c880 <_OBJC_SELECTOR_TABLE+576>, context=0x81d57a0)
    at NSRunLoop.m:495
#25 0xb7c68ee5 in -[NSRunLoop runMode:beforeDate:] (self=0x81ce398,
    _cmd=0xb54c71a0 <_OBJC_SELECTOR_TABLE+416>,
    mode=0xb54cfb68 <_OBJC_INSTANCE_1>, date=0x81d3f10) at NSRunLoop.m:1267
#26 0xb520a8a5 in -[GSDisplayServer(EventOps) 
getEventMatchingMask:beforeDate:inMode:dequeue:] (self=0x81b82b0, 
_cmd=0xb4e70ad8 <_OBJC_SELECTOR_TABLE+24>,
    mask=134217958, limit=0x81d3f10, mode=0xb54cfb68 <_OBJC_INSTANCE_1>,
    flag=1 '\001') at GSDisplayServer.m:1040
#27 0xb4df6fa5 in -[XGServer(X11Ops) 
getEventMatchingMask:beforeDate:inMode:dequeue:] (self=0x81b82b0, 
_cmd=0xb5404c38 <_OBJC_SELECTOR_TABLE+824>,
    mask=134217958, limit=0x81d3f10, mode=0xb54cfb68 <_OBJC_INSTANCE_1>,
    flag=1 '\001') at XGServerEvent.m:2571
#28 0xb5083667 in DPSPeekEvent (mode=<optimized out>, limit=<optimized out>,
    mask=<optimized out>, ctxt=<optimized out>)
    at ../Headers/Additions/GNUstepGUI/GSDisplayServer.h:207
#29 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (
    self=0x81a2328, _cmd=0xb541bc90 <_OBJC_SELECTOR_TABLE+912>,
    mask=134217958, expiration=0x81d3f10, mode=0xb54cfb68 
<_OBJC_INSTANCE_1>,
    flag=1 '\001') at NSApplication.m:2161
#30 0xb50b9c4b in -[NSCell trackMouse:inRect:ofView:untilMouseUp:] (
    self=0x8573140, _cmd=0xb5499a78 <_OBJC_SELECTOR_TABLE+1784>,
    theEvent=0xb541bc90 <_OBJC_SELECTOR_TABLE+912>, cellFrame=...,
    controlView=0x857a028, flag=0 '\000') at NSCell.m:1669
#31 0xb519c1da in -[NSTableView _trackCellAtColumn:row:withEvent:] (
    self=0x857a028, _cmd=0xb5499b00 <_OBJC_SELECTOR_TABLE+1920>,
    columnIndex=0, rowIndex=1, theEvent=0x856bf78) at NSTableView.m:3478
    flag=1 '\001') at NSApplication.m:2161
#30 0xb50b9c4b in -[NSCell trackMouse:inRect:ofView:untilMouseUp:] (
    self=0x8573140, _cmd=0xb5499a78 <_OBJC_SELECTOR_TABLE+1784>,
    theEvent=0xb541bc90 <_OBJC_SELECTOR_TABLE+912>, cellFrame=...,
    controlView=0x857a028, flag=0 '\000') at NSCell.m:1669
#31 0xb519c1da in -[NSTableView _trackCellAtColumn:row:withEvent:] (
    self=0x857a028, _cmd=0xb5499b00 <_OBJC_SELECTOR_TABLE+1920>,
    columnIndex=0, rowIndex=1, theEvent=0x856bf78) at NSTableView.m:3478
---Type <return> to continue, or q <return> to quit---
#32 0xb51a7730 in -[NSTableView mouseDown:] (
    self=0xb5499b00 <_OBJC_SELECTOR_TABLE+1920>,
    _cmd=0xb54bef90 <_OBJC_SELECTOR_TABLE+3600>, theEvent=0x856bf78)
    at NSTableView.m:3821
#33 0xb51fbea4 in -[NSWindow sendEvent:] (self=0x854a9b0,
    _cmd=0xb5405280 <_OBJC_SELECTOR_TABLE+2432>, theEvent=0x856bf78)
    at NSWindow.m:3900
#34 0xb507e3b6 in -[NSApplication sendEvent:] (self=0x81a2328,
    _cmd=0xb54051b8 <_OBJC_SELECTOR_TABLE+2232>, theEvent=0x856bf78)
    at NSApplication.m:2105
#35 0xb5081b1e in -[NSApplication run] (self=0x81a2328,
    _cmd=0xb555f3d8 <_OBJC_SELECTOR_TABLE+472>) at NSApplication.m:1562
#36 0xb5510ab6 in -[GNUstepOutput run] (self=0x8199748,
    _cmd=0x80562d0 <_OBJC_SELECTOR_TABLE+144>) at GNUstepOutput.m:408
#37 0x08048c6a in main () at main.m:95