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input: various more helpers

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This commit is contained in:
Mitchell Hashimoto
2023-08-13 15:38:30 -07:00
parent cea6f5f51d
commit aec342918b
2 changed files with 38 additions and 18 deletions
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38
src/input/function_keys.zig
View File

@ -45,6 +45,26 @@ pub const Entry = struct {
sequence: []const u8,
};
/// The list of modifier combinations for modify other key sequences.
/// The mode value is index + 2.
pub const modifiers: []const key.Mods = &.{
.{ .shift = true },
.{ .alt = true },
.{ .shift = true, .alt = true },
.{ .ctrl = true },
.{ .shift = true, .ctrl = true },
.{ .alt = true, .ctrl = true },
.{ .shift = true, .alt = true, .ctrl = true },
.{ .super = true },
.{ .shift = true, .super = true },
.{ .alt = true, .super = true },
.{ .shift = true, .alt = true, .super = true },
.{ .ctrl = true, .super = true },
.{ .shift = true, .ctrl = true, .super = true },
.{ .alt = true, .ctrl = true, .super = true },
.{ .shift = true, .alt = true, .ctrl = true, .super = true },
};
/// This is the array of entries for the PC style function keys as mapped to
/// our set of possible key codes. Not every key has any entries.
pub const KeyEntryArray = std.EnumArray(key.Key, []const Entry);
@ -239,24 +259,6 @@ fn pcStyle(comptime fmt: []const u8) []const Entry {
// The comptime {} wrapper is superflous but it prevents us from
// accidentally running this function at runtime.
comptime {
const modifiers: []const key.Mods = &.{
.{ .shift = true },
.{ .alt = true },
.{ .shift = true, .alt = true },
.{ .ctrl = true },
.{ .shift = true, .ctrl = true },
.{ .alt = true, .ctrl = true },
.{ .shift = true, .alt = true, .ctrl = true },
.{ .super = true },
.{ .shift = true, .super = true },
.{ .alt = true, .super = true },
.{ .shift = true, .alt = true, .super = true },
.{ .ctrl = true, .super = true },
.{ .shift = true, .ctrl = true, .super = true },
.{ .alt = true, .ctrl = true, .super = true },
.{ .shift = true, .alt = true, .ctrl = true, .super = true },
};
var entries: [modifiers.len]Entry = undefined;
for (modifiers, 2.., 0..) |mods, code, i| {
entries[i] = .{

18
src/input/key.zig
View File

@ -14,6 +14,24 @@ pub const Mods = packed struct(u8) {
num_lock: bool = false,
_padding: u2 = 0,
/// Returns true if no modifiers are set.
pub fn empty(self: Mods) bool {
return @as(u8, @bitCast(self)) == 0;
}
/// Returns true if two mods are equal.
pub fn equal(self: Mods, other: Mods) bool {
return @as(u8, @bitCast(self)) == @as(u8, @bitCast(other));
}
/// Returns the mods without locks set.
pub fn withoutLocks(self: Mods) Mods {
var copy = self;
copy.caps_lock = false;
copy.num_lock = false;
return copy;
}
// For our own understanding
test {
const testing = std.testing;