By splitting out the confirmation to a different slot, so that the
dialog can be window-modal.
Also changed from Yes/No button to Cancel/Delete button, which is
clearer to the user.
Reviewed-by: Norwegian Rock Cat
The creation of the styles directory was in two places and the importing
of an old customized style didn't have any safety when the name
'customized.xml' already existed.
Also, defaults formats are now applied to any format that hasn't been
defined in the color scheme file. This allows a color scheme to fall
back on the default selection color, for example.
The button to erase a selected color in the Fonts & Colors
(groupbox 'color scheme') was not set enabled if a color was selected,
neither was it disabled if a color had been removed using the button.
Fixes: 254202
Recently it was made to highlight black or write, which isn't nice for
everybody. Now it is dark gray by default, and can be customized. Bold
and italic are also supported.
Task: 241959, 248085
RevBy: Optics/Naming checked by con
Details: Give IOptionPage an id() to differentiate from trName(). Make showOptionsDialog return a bool (applied) and give it an optional parent. Change Cpp and form class wizards, give them a Configure... button to change those settings.
The previous interface wasn't sufficient to properly support the Apply
button, since it didn't separate applying the changes from the cleanup
phase.
Designer settings pages still need some fixing.
Fixes Apply button causing problems for certain plugins, for example the
QuickOpen.
