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feat: dim modal backgrounds

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This commit is contained in:
CJ van den Berg 2024-10-19 20:34:15 +02:00
parent 63734ef81b
commit 2efd3dff2e
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
2 changed files with 31 additions and 2 deletions
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13
src/renderer/vaxis/Cell.zig
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@ -53,3 +53,16 @@ pub fn columns(self: *const Cell) usize {
// return if (self.cell.char.width == 0) self.window.gwidth(self.cell.char.grapheme) else self.cell.char.width; // FIXME?
return self.cell.char.width;
}
pub fn dim(self: *Cell, alpha: u8) void {
self.cell.style.fg = apply_alpha_value(self.cell.style.fg, alpha);
self.cell.style.bg = apply_alpha_value(self.cell.style.bg, alpha);
}
fn apply_alpha_value(c: vaxis.Cell.Color, a: u8) vaxis.Cell.Color {
var rgb = c.rgb;
rgb[0] = @intCast((@as(u32, @intCast(rgb[0])) * a) / 256);
rgb[1] = @intCast((@as(u32, @intCast(rgb[1])) * a) / 256);
rgb[2] = @intCast((@as(u32, @intCast(rgb[2])) * a) / 256);
return .{ .rgb = rgb };
}

20
src/tui/ModalBackground.zig
View file

@ -17,7 +17,7 @@ pub fn Options(context: type) type {
on_click3: *const fn (ctx: context, self: *State(Context)) void = do_nothing,
on_click4: *const fn (ctx: context, self: *State(Context)) void = do_nothing,
on_click5: *const fn (ctx: context, self: *State(Context)) void = do_nothing,
on_render: *const fn (ctx: context, self: *State(Context), theme: *const Widget.Theme) bool = on_render_default,
on_render: *const fn (ctx: context, self: *State(Context), theme: *const Widget.Theme) bool = on_render_dim,
on_layout: *const fn (ctx: context) Widget.Layout = on_layout_default,
on_resize: *const fn (ctx: context, state: *State(Context), box: Widget.Box) void = on_resize_default,
@ -32,6 +32,14 @@ pub fn Options(context: type) type {
return false;
}
pub fn on_render_dim(_: context, self: *State(Context), _: *const Widget.Theme) bool {
const height = self.plane.dim_y();
const width = self.plane.dim_x();
for (0..height) |y| for (0..width) |x|
dim_cell(&self.plane, y, x) catch {};
return false;
}
pub fn on_layout_default(_: context) Widget.Layout {
return .dynamic;
}
@ -85,7 +93,7 @@ pub fn State(ctx_type: type) type {
self.call_click_handler(btn);
return true;
} else if (try m.match(.{ "H", tp.extract(&self.hover) })) {
tui.current().rdr.request_mouse_cursor_pointer(self.hover);
tui.current().rdr.request_mouse_cursor_default(self.hover);
return true;
}
return false;
@ -104,3 +112,11 @@ pub fn State(ctx_type: type) type {
}
};
}
fn dim_cell(plane: *Plane, y: usize, x: usize) !void {
plane.cursor_move_yx(@intCast(y), @intCast(x)) catch return;
var cell = plane.cell_init();
_ = plane.at_cursor_cell(&cell) catch return;
cell.dim(256 - 32);
_ = plane.putc(&cell) catch {};
}