Feature requests for SwingTerminal / ScrollingSwingTerminal: Better Support for standard Swing features

[Shrill-Girl]

I understand that for the typical console operation additional AWT and Swing features do not make much sense. But for the Swing terminals some features might be really helpful:

1. A default background color (incl. getter / setter) which is not Black - the initial background color of the terminal before anything is written and if the terminal scrolls, the new lines background. If I am not mistaken this is currently TextColor.ANSI.DEFAULT which is hard coded to be black. Changing this default background color should change the attribute of all text including the text which is currently not visible because is scrolled out of the current viewport. So if you scroll a ScrollingSwingTerminal all the background should have that color initially / until one writes something with a different background color. If you call clearScr, that should remove all characters and all colors other than the default background color.
2. Better support of AWT.Color as a TextColor. Converting between TextColor and AWT.Color while using a SwingTerminal is a clumsy.
3. Something like clearEOL -> fill the current line from the current position to the end of the line with ' ' and the default background color, without changing the the cursor position.
4. A more easy way to auto hide the scrollbar (e.g. using a ScrollPane) when no Scrollbar is needed (if, for example, the whole text is currently visible).
5. A more easy way to attach Mouse / Keyboard Listeners to a SwingTerminal / Scrolling SwingTerminal.

I do not need that on the screen or GUI level, but on the terminal level. 2,4,5 can be done with a little bit of hacking and without changing the Lanterna sources but a more direct way would be appreciated (at least be myself :-)

Thx a lot for even considering this.

[mabe02]

Interesting. Ok, so most of the default colors are indeed hard-coded and supposedly behaves like if this was a real terminal emulator. You don't want to use a custom TerminalEmulatorPalette to achieve a different default?

I've pushed a commit to master with a utility method TextColor.RGB.fromAWTColor, is that what you are looking for? (see commit above)

[mabe02]

I think what you mean by (5) is that there's no easy way to get the inner SwingTerminal from a SwingTerminalFrame. I've added that in the commit above.

[mabe02]

For (4), do you mean a ScrollingSwingTerminal but that auto-hides the scrollbar until it's needed?

[Shrill-Girl]

The color conversion is just a bit inconvenient but nice to have a in-build conversion now. The bit about the TerminalEmulatorPalette is interesting. How do I use it? Did I miss it in the tutorials?
Getting the Swing Terminal indeed gives better access to Mouse- and Keyboard-Adapters/Listeners, thx for that.
4) Yes, I mean a ScrollingSwingTerminal that auto-hides the scrollbar until it is needed to scroll back to text which has been scrolled out of the visible part of the screen buffer.
It would also be nice if there is a possibility to clear the text and background to the end of the current line: If you position the cursor programmatically into a line where there already is some text and you write something new there, the text that was there will be overwritten but everything else until the end of this line will stay there. I want something easy to erase the leftover text.