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Lazarus-GTK2-Examples

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README

Tutorial

Folgendes muss installiert werden:

pascal
apt install libgtk2.0-dev

Wichtig !!

Unter Linux kann es zu folgendem Fehler kommen und einem den ganzen Fenstermanger runterreisen.

pascal
An unhandled exception occurred at $00007F07F96764DB:
EInvalidOp: Invalid floating point operation

Abhilfe schafft folgendes:

pascal
uses
  math, ...
...
begin
  SetExceptionMask([exDenormalized, exInvalidOp, exOverflow, exPrecision, exUnderflow, exZeroDivide]);
  ...
end.

Sourcen

GTK 3

(https://gitlab.gnome.org/GNOME/gtk/-/tree/gtk-3-244

GTK 4