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Bug 519103

Summary:	[win32] Combo#LIMIT too high compared to what user can practically set.
Product:	[Eclipse Project] Platform	Reporter:	Etienne Reichenbach <etienner>
Component:	SWT	Assignee:	Platform-SWT-Inbox <platform-swt-inbox>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	normal
Priority:	P3	CC:	loskutov, niraj.modi, susann.hauenstein
Version:	4.7	Keywords:	triaged
Target Milestone:	---
Hardware:	PC
OS:	Windows 7
Whiteboard:

Description Etienne Reichenbach

2017-07-03 08:16:00 EDT

When I create a org.eclipse.swt.widgets.Combo and set a text with length > 6551 then the combo is not showing any content.

Looking at the code in org.eclipse.swt.widgets.Combo.setText(String) there seems to be a LIMIT variable that should hold the operating system limit for the number of characters, which in my case is 0x7FFFFFFF (2147483647).

Comment 1 Etienne Reichenbach

2017-07-03 08:23:22 EDT

Note that the value returned by OS.SendMessage (hwndText, OS.EM_GETLIMITTEXT, 0, 0) is 30000 still much bigger than the limit I of 6551 I found empirically...

Comment 2 Niraj Modi

2017-07-05 04:11:29 EDT

Yes, I could reproduce this issue on Win7.
Looks like the practical text-limit much lower then the value returned by Combo#getTextLimit() which returns 30,000 characters.

This needs further investigation on how to specify proper Combo#LIMIT value.

Comment 3 Susann Hauenstein

2017-11-17 07:18:46 EST

This is the same issue as reported in bug 370948.

Comment 4 Andrey Loskutov

2017-11-17 07:34:59 EST


*** This bug has been marked as a duplicate of bug 370948 ***