[Gambas-bugtracker] Bug #1401: Form inheritance misbehavior

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.1401&from=L21haW4-

Michael ALTROGGE reported a new bug.

Summary
-------

Form inheritance misbehavior

Type             : Bug
Priority         : Medium
Gambas version   : 3.11
Product          : GUI components


Description
-----------

Having Form1 with opacity=50 and Form2 with opacity=100 ... while embedding Form2 in Form1 the property opacity of Form2 (and every object that deals with opacity) is ignored


System information
------------------

[System]
Gambas=3.11.90
OperatingSystem=Linux
Kernel=4.15.0-32-generic
Architecture=x86_64
Distribution=Linux Mint 18.3 Sylvia
Desktop=CINNAMON
Theme=Gtk
Language=de_DE.UTF-8
Memory=3389M

[Libraries]
Cairo=libcairo.so.2.11400.6
Curl=libcurl.so.4.4.0
DBus=libdbus-1.so.3.14.6
GStreamer=libgstreamer-0.10.so.0.30.0
GStreamer=libgstreamer-1.0.so.0.803.0
GTK+2=libgtk-x11-2.0.so.0.2400.30
GTK+3=libgtk-3.so.0.1800.9
OpenGL=libGL.so.1.2.0
Poppler=libpoppler.so.58.0.0
QT4=libQtCore.so.4.8.7
QT5=libQt5Core.so.5.5.1
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-8TIXNuFc1V,guid=9fe3b6937ad86b24744380315b7a91ac
DEFAULTS_PATH=/usr/share/gconf/cinnamon.default.path
DESKTOP_AUTOSTART_ID=107f5c94e7a880ae9b153475934110935300000037560008
DESKTOP_SESSION=cinnamon
DISPLAY=:0
GB_GUI=gb.qt4
GDMSESSION=cinnamon
GDM_LANG=de_DE
GNOME_DESKTOP_SESSION_ID=this-is-deprecated
GTK_MODULES=gail:atk-bridge
GTK_OVERLAY_SCROLLING=1
HOME=<home>
KICAD_PATH=/usr/share/kicad
KIGITHUB=https://github.com/KiCad
LANG=de_DE.UTF-8
LANGUAGE=de_DE
LOGNAME=<user>
MANDATORY_PATH=/usr/share/gconf/cinnamon.mandatory.path
PATH=<home>/bin:<home>/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games
PWD=<home>
QT_ACCESSIBILITY=1
QT_LINUX_ACCESSIBILITY_ALWAYS_ON=1
QT_QPA_PLATFORMTHEME=qgnomeplatform
QT_STYLE_OVERRIDE=gtk
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/3756,unix/<hostname>:/tmp/.ICE-unix/3756
SHELL=/bin/bash
SHLVL=0
SSH_AGENT_PID=3815
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
TZ=:/etc/localtime
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg/xdg-cinnamon:/etc/xdg
XDG_CURRENT_DESKTOP=X-Cinnamon
XDG_DATA_DIRS=/usr/share/cinnamon:/usr/share/gnome:<home>/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/<user>
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_DESKTOP=cinnamon
XDG_SESSION_ID=c2
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7