Justifying with tab spaces in the text

[Horia]

Hey,

I'm creating a text editor and I am implementing the text alignments. All works fine except when justifying text with some tabs in it, for instance :

"this is a a tab space"

My code is quite simple :

void setJustifyText(bool jusitfy)
{
    QTextBlockFormat format;
    format.setAlignment(justify ? Qt::AlignmentFlag::AlignJustify : Qt::AlignmentFlag::AlignAbsolute);
    cursor.mergeBlockFormat(format);
}

And the error I get from Microsoft Visual Studio is :

Debug Error!
Program Qt\5.12.5\mscvc2017\bin\Qt5Cored.dll
Module: 5.12.5
File: text\qtextlayout.cpp
Line:1780

ASSERT: "(pos == end && glyphPosition == current.num_glyphs) || logClusters[pos] == glyphPosition" in file text\qtextlayout.cpp, line 1780

Thanks for any help! I tried finding something in relation to this problem already on forums, but I didn't really find any proper solution to my problem.

[jsulm]

@Horia "Modifies the block format of the current block (or all blocks that are contained in the selection) with the block format specified by modifier." - is there a block or selection when you're calling this?

[Horia]

@jsulm Hey and thanks for the reply, yes there is a proper selection with the cursor for the selected block/blocks in the selection.

To be noted that justifying works fine without any tabs in the text, selection is handled properly.