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color selection!

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This commit is contained in:
Mitchell Hashimoto
2022-08-04 14:37:10 -07:00
parent 40161a9eff
commit d0dc69a0a8
1 changed files with 37 additions and 13 deletions
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50
src/Grid.zig
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@ -288,8 +288,7 @@ pub fn updateCells(self: *Grid, term: Terminal) !void {
defer y += 1;
for (line) |cell, x| {
// The colors for the cell.
const colors: struct {
const BgFg = struct {
/// Background is optional because in un-inverted mode
/// it may just be equivalent to the default background in
/// which case we do nothing to save on GPU render time.
@ -299,17 +298,42 @@ pub fn updateCells(self: *Grid, term: Terminal) !void {
/// any fg if the cell is empty or has no attributes like
/// underline.
fg: terminal.color.RGB,
} = if (cell.attrs.inverse == 0) .{
// In normal mode, background and fg match the cell. We
// un-optionalize the fg by defaulting to our fg color.
.bg = cell.bg,
.fg = cell.fg orelse self.foreground,
} else .{
// In inverted mode, the background MUST be set to something
// (is never null) so it is either the fg or default fg. The
// fg is either the bg or default background.
.bg = cell.fg orelse self.foreground,
.fg = cell.bg orelse self.background,
};
// The colors for the cell.
const colors: BgFg = colors: {
// If we have a selection, then we need to check if this
// cell is selected.
// TODO(perf): we can check in advance if selection is in
// our viewport at all and not run this on every point.
if (term.selection) |sel| {
const screen_point = (terminal.point.Viewport{
.x = x,
.y = y,
}).toScreen(&term.screen);
// If we are selected, we our colors are just inverted fg/bg
if (sel.contains(screen_point)) {
break :colors BgFg{
.bg = self.foreground,
.fg = self.background,
};
}
}
const res: BgFg = if (cell.attrs.inverse == 0) .{
// In normal mode, background and fg match the cell. We
// un-optionalize the fg by defaulting to our fg color.
.bg = cell.bg,
.fg = cell.fg orelse self.foreground,
} else .{
// In inverted mode, the background MUST be set to something
// (is never null) so it is either the fg or default fg. The
// fg is either the bg or default background.
.bg = cell.fg orelse self.foreground,
.fg = cell.bg orelse self.background,
};
break :colors res;
};
// If the cell has a background, we always draw it.