Thanks for the explanation! The behavior I saw was indeed B). I now understand the concept of why XXE's BIDI behavior is considered intuitive. And I agree that it kind makes sense.
Leif Halvard Silli 8. mars 2021 17:22:03 Hussein Shafie <huss...@xmlmind.com>: > On 3/7/21 8:19 PM, Leif Halvard Silli wrote: >> I am using MacOS Mojave version 10.14.6. The BIDI add-on is installed. > > MacOS Mojave is not supported anymore. Only macOS 10.15 (Catalina) and 11.x > (Big Sur) are now officially supported by XMLmind Software. Anyway, I doubt > this is the cause of your issue. > > > > >> I think I found a caret related BIDI bug in when I tested the document >> "Sample bidirectional text" which is available a a clickable file: URL >> inside the BIDI add-on. >> The second heading is called «Arabic language» and then there is some Arabix >> text. >> Below that heading, there is a paragraph in Arabic consisting in or two >> sentences in Arabic plus some numbers. >> When I place the caret at the start of this Arabic paragraph, and then type >> the "Left arrow" key to move towards the end of the paragraph - one by one >> character, everything works fine, until I hit the first number, which is >> "12". >> At that point, when the caret reaches the "12", the caret simply stops. No >> matter how long I press the Left arrow key, the caret is stuck inside that >> number. I have to manually move the caret to the left of the number, in >> order to reach further. >> In fact, it is the same issue with the sentence which starts like this: >> Arabic – اللغة العربية – is one of the most spoken language >> Ths time I placed the caret to the left of the word "Arabic" and then I >> start pressing the Right arrow key. And when the caret reaches the first >> Arabic word, the caret gets stuck. > > Please define "the caret gets stuck". > > (A) Does XXE crash, in which case an exception is raised? Which exception? > Please start XXE using "XMLmind.app/Contents/Resources/xxe/bin/xxe" from a > terminal to see it. > > (B) Or more simply, once the reaches the first Arabic word, does pressing the > Right arrow key move the caret *back* to the end of "Arabic -"? > > (B) is 100% the expected behavior. And yes, XXE does not work like MS-Word > does in that respect. > > With XXE, by default, pressing Right always move the caret to the right. That > is, pressing Right does not necessarily move the caret to the following > character of the text. > > When the caret is before first Arabic word, its right is > back to the end of "Arabic -". In consequence, when the caret is before first > Arabic word, you now need to press Left to move the caret to the next caret. > > Please search "stuck" in > http://www.xmlmind.com/xmleditor/_distrib/doc/bidi/index.html for an > explanation of a similar use case: > > --- > This behavior is deemed the most intuitive one but it has important > consequences. For example, let's suppose the caret is inside "طارق" (Tarek). > Pressing repeatedly key Left to reach the period which ends the sentence will > get you “stuck” when the caret reaches "1978". > --- > (The above excerpt is about the inverse case: pressing repeatedly Left inside > some Arabic text and reaching a number, which is a left-to-right character > subsequence.) > > > > --> If you don't like this behavior, then please change it by unchecking > "Left moves caret to following character" in the "Bidi Support" preference > sheet. See > http://www.xmlmind.com/xmleditor/_distrib/doc/bidi/index.html#preferences > > > > > >> So, to sum up, everything works fine as long as your text consists of just >> one script system. But when the caret is within one script system, and then >> reaches a character from another script system - a number or a letter - the >> caret seems to get stuck. >> > The caret works for me *as* *expected* on macOS 10.15 (Catalina) and 11.x > (Big Sur). > > -- > XMLmind XML Editor Support List > xmleditor-support@xmlmind.com > http://www.xmlmind.com/mailman/listinfo/xmleditor-support -- XMLmind XML Editor Support List xmleditor-support@xmlmind.com http://www.xmlmind.com/mailman/listinfo/xmleditor-support
