Hi All!
I have noticed strange behavior with Lazarus 1.7 in the HI-DPI mode. This took some trial and error to find since the connections are not at all obvious. I am using Linux Mint 18 and have the same problem with both MATE and XFCE desktop managers.
When I log out/shutdown/restart and return to Lazarus, the Object Inspector DPI settings are all at 96 (even though they were all at 144 when I shutdown Lazarus). The IDE Icons are all tiny (almost invisible), the source editor windows all had a very small font size, the Form designers were all hosed, and the programs built with Lazarus (after the restart) all appear to be compiled with 96 DPI. I tried rebuilding the IDE, but that had no impact. The DPI remained at 96 as did everything else.
Here is the weird part.
After restarting, I opened a terminal and entered the command "xdpyinfo | grep dots" to see how it was set. The response was 144x144. Apparently the window manager(s) got the message ;-) even if Lazarus did not. Note that I did NOT enter any other commands except for the xdpyinfo.
BUT....
When I restarted Lazarus the IDE Icons, the Form Designers and the source editor fonts were were correctly sized, and the programs built with Lazarus were correctly sized for 144dpi.
I have appropriate xrandr and xdpyinfo commands in .bash_profile and .bash_login (redundancy can't hurt :-D). They don't seem to help. I restarted again, opened a terminal (which showed my debug "echo"s so the two files were executed) and did nothing else. I then CLOSED the terminal and started Lazarus. It came up in 144dpi mode!!!!!!!.
I can not tell where the interaction between Lazarus and the window managers fails, and I have a work-around (open terminal before starting Lazarus) so the problem is not serious, but it remains an annoyance.
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One more minor issue. The Main Menu editor still has issues with the height of fonts in HI-DPI mode, as in:
Again this is not serious, just annoying.
Thanks,
Don Ziesig
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