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Issue MathRegion Critical Error on DEL key action
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Offline tomtit  
#1 Posted : 13 January 2022 20:39:53(UTC)
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Eventually I have caught a bug that bothered me in a few latest versions of Smath.
critical_bug.sm (4kb) downloaded 15 time(s).


Try to delete the first number "4" in front of the ratio.

Step 1: Select it with the cursor.


s1.png


Step 2: Press "Del", the "4" turns into a black square.


s2.png


Step 3: Press "Del" once again. SM pops on "Critical error".


s3.png

Edited by moderator 14 January 2022 10:08:26(UTC)  | Reason: Not specified
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on 14/01/2022(UTC)

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Offline tomtit  
#2 Posted : 14 January 2022 00:06:39(UTC)
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Jean,
It can't be doctored, it is not a calculation issue.
Smath Studio crashes at the moment you push "DEL" key to delete this number "4" or whatever else there.
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Offline churichuro  
#3 Posted : 14 January 2022 01:31:57(UTC)
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I confirm the error
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Offline uni  
#4 Posted : 14 January 2022 04:05:45(UTC)
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Confirmed. I also came across it, but I didn't investigate it. SMath Studio 0.99.7921.69.
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Offline overlord  
#5 Posted : 14 January 2022 07:54:58(UTC)
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confirmed under linux.
same behavior.
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Offline Davide Carpi  
#6 Posted : 14 January 2022 11:59:07(UTC)
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Thank you, confirmed

Code:
System.IndexOutOfRangeException: Index out of matrix bounds.
   in SMath.Controls.MathPainter.PrepareForPaint(MathRegion region, PaintContext ctx, Term[] input, MathAnswer answer, Term[] units, Boolean inputDataVisibility, Int32 currentTermIdx, FontInfo font, Boolean focused, Single& middleLine, Single& baseLine)
   in SMath.Controls.MathRegion.(IGraphics , PaintEventOptions )
   in SMath.Controls.MathRegion.OnCommandSend(String value)
   in SMath.Controls.WorksheetEditor.(RegionBase , String )
   in SMath.Controls.WorksheetEditor.InsertManager(String value)
   in SMath.Controls.Worksheet.Insert(String value)
   in SMath.Controls.WorksheetEditor.KeyDown(KeyEventOptions e)
   in SMath.UI.Accessories.DesktopWorksheet.OnKeyDown(KeyEventArgs e)
   in System.Windows.Forms.Control.ProcessKeyEventArgs(Message& m)
   in System.Windows.Forms.Control.WmKeyChar(Message& m)
   in System.Windows.Forms.Control.WndProc(Message& m)
   in System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Edited by user 14 January 2022 12:03:05(UTC)  | Reason: Thread title

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Offline overlord  
#7 Posted : 14 January 2022 16:59:14(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
Originally Posted by: tomtit Go to Quoted Post
Eventually I have caught a bug that bothered me in a few latest versions of Smath.

... end of it !

It didn't surprise me that Jean couldn't understand what the bug is.
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thanks 1 user thanked overlord for this useful post.
on 14/01/2022(UTC)
Offline uni  
#8 Posted : 14 January 2022 17:32:56(UTC)
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Jean, what you're trying to do here is destructive. You prevent users from helping developers improve the program, that is, you bring harm. You don't have to do that. This is not good.
Russia ☭ forever
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thanks 6 users thanked uni for this useful post.
on 14/01/2022(UTC),  on 14/01/2022(UTC),  on 14/01/2022(UTC),  on 14/01/2022(UTC),  on 14/01/2022(UTC),  on 17/05/2022(UTC)
Offline uni  
#9 Posted : 14 January 2022 20:17:41(UTC)
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Jean, in the exUSSR there was such a norm as forced rest. People who worked hard were forced to rest in a sanatorium. And their leaders, who allowed this, were punished. I think you need to go to a sanatorium and temporarily stop working here. I don't want to be punished and I can give you a rest.
Russia ☭ forever
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thanks 4 users thanked uni for this useful post.
on 14/01/2022(UTC),  on 14/01/2022(UTC),  on 14/01/2022(UTC),  on 15/01/2022(UTC)
Offline Jean Giraud  
#10 Posted : 14 January 2022 21:50:40(UTC)
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Basically up to SS 6179, Smath is an equation editor
working similar to Mathcad 11 and earlier, including program.
AFAIK, an option for script style [typical Kalkulator ...]
will manage the critical error demo bug.
Is it possible to combine both: part script style & equation editor ?
As well as accommodate both styles in program ?
Cheers ... Jean.
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Offline overlord  
#11 Posted : 14 January 2022 22:04:25(UTC)
overlord


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Originally Posted by: Jean Giraud Go to Quoted Post
Basically up to SS 6179, Smath is an equation editor
working similar to Mathcad 11 and earlier, including program.
AFAIK, an option for script style [typical Kalkulator ...]
will manage the critical error demo bug.
Is it possible to combine both: part script style & equation editor ?
As well as accommodate both styles in program ?
Cheers ... Jean.

And yet another useless not related post again.
Unbelievable. Wow, just wow.
Such ignorance, such obstinate, such thick head...
I am out of speech right now.
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thanks 3 users thanked overlord for this useful post.
on 14/01/2022(UTC),  on 15/01/2022(UTC),  on 17/05/2022(UTC)
Offline tomtit  
#12 Posted : 16 May 2022 18:06:43(UTC)
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Unfortunately,
The "Critical Error on Del key action" was not fixed yet in the latest stable version.
Try to delete "g" by using DEL key.
oldbug.sm (3kb) downloaded 12 time(s).

Edited by user 16 May 2022 18:09:12(UTC)  | Reason: Not specified
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Offline Andrey Ivashov  
#13 Posted : 18 May 2022 02:38:34(UTC)
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Ok, will check asap.
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thanks 1 user thanked Andrey Ivashov for this useful post.
on 18/05/2022(UTC)
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