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terminal stream set mode and reset mode

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This commit is contained in:
Mitchell Hashimoto
2022-05-11 10:02:32 -07:00
parent 5a85546b2e
commit b2d02a77cd
2 changed files with 43 additions and 0 deletions
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13
src/terminal/ansi.zig
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@ -29,3 +29,16 @@ pub const RenditionAspect = enum(u16) {
// user-generated.
_,
};
/// Modes that can be set with with Set Mode (SM) (ESC [ h). The enum
/// values correspond to the `?`-prefixed modes, since those are the ones
/// of primary interest. The enum value is the mode value.
pub const Mode = enum(u16) {
/// If set, the origin of the coordinate system is relative to the
/// current scroll region. If set the cursor is moved to the top left of
/// the current scroll region.
origin = 6,
// Non-exhaustive so that @intToEnum never fails for unsupported modes.
_,
};

30
src/terminal/stream.zig
View File

@ -230,6 +230,18 @@ pub fn Stream(comptime Handler: type) type {
},
) else log.warn("unimplemented CSI callback: {}", .{action}),
// SM - Set Mode
'h' => if (@hasDecl(T, "setMode")) {
for (action.params) |mode|
try self.handler.setMode(@intToEnum(ansi.Mode, mode), true);
} else log.warn("unimplemented CSI callback: {}", .{action}),
// RM - Reset Mode
'l' => if (@hasDecl(T, "setMode")) {
for (action.params) |mode|
try self.handler.setMode(@intToEnum(ansi.Mode, mode), false);
} else log.warn("unimplemented CSI callback: {}", .{action}),
// SGR - Select Graphic Rendition
'm' => if (@hasDecl(T, "selectGraphicRendition")) {
if (action.params.len == 0) {
@ -310,3 +322,21 @@ test "stream: cursor right (CUF)" {
try s.nextSlice("\x1B[5;4C");
try testing.expectEqual(@as(u16, 0), s.handler.amount);
}
test "stream: set mode (SM) and reset mode (RM)" {
const H = struct {
mode: ansi.Mode = @intToEnum(ansi.Mode, 0),
pub fn setMode(self: *@This(), mode: ansi.Mode, v: bool) !void {
self.mode = @intToEnum(ansi.Mode, 0);
if (v) self.mode = mode;
}
};
var s: Stream(H) = .{ .handler = .{} };
try s.nextSlice("\x1B[?6h");
try testing.expectEqual(@as(ansi.Mode, .origin), s.handler.mode);
try s.nextSlice("\x1B[?6l");
try testing.expectEqual(@intToEnum(ansi.Mode, 0), s.handler.mode);
}