So,

I'm having huge problems trying to make a simple change to a control to give it a custom look. Something that used to look exactly right on JavaFX 2.2 is now (since say 6 months) being overriden by the standard css and I just cannot find any way to get rid of it. It seems to be related to an (undocumented??) property -fx-background -- I cannot find what this does, but it seems to specify a background color, just like -fx-background-color.... although they're often used in combination, like so:

.list-view:focused > .virtual-flow > .clipped-container > .sheet > .list-cell:filled:focused:selected { -fx-background-color: -fx-focus-color, -fx-cell-focus-inner-border, -fx-selection-bar;
    -fx-background-insets: 0, 1, 2;
    -fx-background: -fx-accent;
    -fx-text-fill: -fx-selection-bar-text;
}

Note that -fx-focus-color is the same as -fx-accent...

Anyway, I want to override this standard "caspian bright blue" color used to highlight items to something else. For TreeCells, this used to be enough:

.list-cell:focused, .tree-cell:focused {
  -fx-background-insets: 1, 1, 1;
-fx-background-color: radial-gradient(center 25% 0%, radius 25%, color-blue 0%, transparent), radial-gradient(center 75% 100%, radius 25%, color-blue 0%, transparent), linear-gradient(to right, transparent, color-blue-20 15%, color-blue-20 85%, transparent);
}

...but the only time this gradient will show is when my Stage does not have the focus (or I guess when the tree control it is used in does not have the focus -- I don't know, I only have one control).

Now, no matter what I do, when the window has the focus and some cell is selected, it will display that solid blue highlight color in caspian.css... and I've tried a lot of things. For some reason -fx-background is overriding whatever I do with -fx-background-color. I tried this for example:

.tree-view:focused .tree-cell:focused,
.tree-view:focused .tree-cell:selected,
.tree-view:focused .tree-cell:focused:filled,
.tree-view:focused .tree-cell:selected:filled,
.list-cell:focused, .tree-cell:focused,
.list-cell:focused:selected, .tree-cell:focused:selected,
.list-cell:focused:filled, .tree-cell:focused:filled,
.list-cell:focused:selected:filled, .tree-cell:focused:selected:filled,
.list-cell:selected:filled, .tree-cell:selected:filled,
.list-cell:selected, .tree-cell:selected {
  -fx-background: transparent;
  -fx-background-insets: 1, 1, 1;
-fx-background-color: radial-gradient(center 25% 0%, radius 25%, color-blue 0%, transparent), radial-gradient(center 75% 100%, radius 25%, color-blue 0%, transparent), linear-gradient(to right, transparent, color-blue-20 15%, color-blue-20 85%, transparent);
}

Note the "-fx-background: transparent". No matter what I put there, or even if I leave it out, it will override the gradient I set. So putting "-fx-background: black" results in a black background, no gradient (except when unfocused). Putting transparent makes it caspian blue (aargh), no gradient... leave it out completely, and I get caspian blue... set it to null, I get a transparent background (or black, I can't tell) but still no gradient.

How do I just show my gradient??

--John


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