brian wrote:
I have a fairly simple Lazarus program, just a few edit boxes on a form
to enter some filenames and then it's doing a bunch of simple
manipulations on a text file.

Using Linux Mint 9 (a fork from Ubuntu), Free Pascal 2.4.0 and Lazarus
0.9.28.2, all 64-bit versions, when I run the program from konsole (run
from within GNOME) I get the following messages, before the program
(appears to?) run correctly


[WARNING] Out of OEM specific VK codes, changing to unassigned
[WARNING] Out of unassigned VK codes, assigning $FF


Can anyone tell me what's going on? The only things I can find about VK
codes pertain to Windows.

Since the LCL is compatible with the Delphi VCL, lazarus needed to mimic the virtual keycodes used in OnKeyDown/Press/Up on other platforms than windows. To generate code compilable for different platforms, those virtual codes need to be the same for every platform.

For the X based GTK1/2 some logic is added to map the keyboard layout reported by the X server to the Virtual keycodes. Modern distros nowadays tend to provide one keyboard map fitting most of the available keyboards. This leads a map with over the 150 possible, sometimes exotic keys. From a software pov. the LCL cannot tell what kind of keyboard the user has plugged in, so it maps all keys reported by the X server.

Since the number of free to choose virtual keycodes is limited, the gtk1/2 logic runs out of codes for some of the exotic keys.

So if you happen to have a keyboard with say functionkeys F24-F48 and those keys are mapped last by the X server, you may have problems in Lazarus when detecting KeyUp/Press/Down.

Marc




Thanks,


Brian.

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