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bindings can contain directional modifiers: left_shift+a

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This commit is contained in:
Mitchell Hashimoto
2023-08-07 14:43:44 -07:00
parent eca5955e65
commit 47bed51177
1 changed files with 34 additions and 2 deletions
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36
src/input/Binding.zig
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@ -43,18 +43,38 @@ pub fn parse(input: []const u8) !Binding {
const modsInfo = @typeInfo(key.Mods).Struct;
inline for (modsInfo.fields) |field| {
if (field.name[0] != '_') {
if (std.mem.eql(u8, part, field.name)) {
if (std.mem.endsWith(u8, part, field.name)) {
// Parse the directional modifier if it exists
const side: key.Mods.Side = side: {
if (std.mem.eql(u8, part, field.name))
break :side .both;
if (std.mem.eql(u8, part, "left_" ++ field.name))
break :side .left;
if (std.mem.eql(u8, part, "right_" ++ field.name))
break :side .right;
return Error.InvalidFormat;
};
switch (field.type) {
bool => {
// Can only be set once
if (@field(result.mods, field.name))
return Error.InvalidFormat;
// Can not be directional
if (side != .both)
return Error.InvalidFormat;
@field(result.mods, field.name) = true;
},
key.Mods.Side => {
// Can only be set once
if (@field(result.mods, field.name).pressed())
return Error.InvalidFormat;
@field(result.mods, field.name) = .both;
@field(result.mods, field.name) = side;
},
else => @compileError("invalid type"),
@ -361,6 +381,15 @@ test "parse: triggers" {
.action = .{ .ignore = {} },
}, try parse("ctrl+a=ignore"));
// directional modifier
try testing.expectEqual(Binding{
.trigger = .{
.mods = .{ .shift = .left },
.key = .a,
},
.action = .{ .ignore = {} },
}, try parse("left_shift+a=ignore"));
// multiple modifier
try testing.expectEqual(Binding{
.trigger = .{
@ -395,6 +424,9 @@ test "parse: triggers" {
// repeated control
try testing.expectError(Error.InvalidFormat, parse("shift+shift+a=ignore"));
// conflicting sides
try testing.expectError(Error.InvalidFormat, parse("left_shift+right_shift+a=ignore"));
// multiple character
try testing.expectError(Error.InvalidFormat, parse("a+b=ignore"));
}