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feat: implement remaining terminal handling functions via libvaxis

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This commit is contained in:
CJ van den Berg 2024-05-21 21:46:58 +02:00
parent 36f167221e
commit 49ad54d60c
10 changed files with 94 additions and 88 deletions
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128
src/renderer/vaxis/renderer.zig
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@ -48,7 +48,13 @@ const Event = union(enum) {
pub fn init(a: std.mem.Allocator, handler_ctx: *anyopaque, no_alternate: bool) !Self {
const opts: vaxis.Vaxis.Options = .{
.kitty_keyboard_flags = .{ .report_events = true },
.kitty_keyboard_flags = .{
.disambiguate = true,
.report_events = true,
.report_alternate_keys = true,
.report_all_as_ctl_seqs = true,
.report_text = true,
},
};
return .{
.a = a,
@ -72,11 +78,12 @@ pub fn deinit(self: *Self) void {
pub fn run(self: *Self) !void {
if (self.vx.tty == null) self.vx.tty = try vaxis.Tty.init();
if (!self.no_alternate) try self.vx.enterAltScreen();
try self.vx.queryTerminal();
try self.vx.queryTerminalSend();
const ws = try vaxis.Tty.getWinsize(self.input_fd_blocking());
try self.vx.resize(self.a, ws);
self.vx.queueRefresh();
try self.vx.setMouseMode(.pixels);
try self.vx.setBracketedPaste(true);
}
pub fn render(self: *Self) !void {
@ -129,7 +136,7 @@ pub fn process_input(self: *Self, input_: []const u8) !void {
}
}
while (buf.len > 0) {
const result = try parser.parse(buf);
const result = try parser.parse(buf, self.a);
if (result.n == 0)
return;
buf = buf[result.n..];
@ -141,10 +148,14 @@ pub fn process_input(self: *Self, input_: []const u8) !void {
event_type.PRESS,
key_.codepoint,
key_.shifted_codepoint orelse key_.codepoint,
key_.text orelse input.utils.key_id_string(key_.codepoint),
key_.text orelse input.utils.key_id_string(key_.base_layout_codepoint orelse key_.codepoint),
@as(u8, @bitCast(key_.mods)),
});
if (self.dispatch_input) |f| f(self.handler_ctx, cbor_msg);
if (self.bracketed_paste and self.handle_bracketed_paste_input(cbor_msg) catch |e| {
self.bracketed_paste_buffer.clearAndFree();
self.bracketed_paste = false;
return e;
}) {} else if (self.dispatch_input) |f| f(self.handler_ctx, cbor_msg);
},
.key_release => |*key_| {
const cbor_msg = try self.fmtmsg(.{
@ -152,10 +163,10 @@ pub fn process_input(self: *Self, input_: []const u8) !void {
event_type.RELEASE,
key_.codepoint,
key_.shifted_codepoint orelse key_.codepoint,
key_.text orelse input.utils.key_id_string(key_.codepoint),
key_.text orelse input.utils.key_id_string(key_.base_layout_codepoint orelse key_.codepoint),
@as(u8, @bitCast(key_.mods)),
});
if (self.dispatch_input) |f| f(self.handler_ctx, cbor_msg);
if (self.bracketed_paste) {} else if (self.dispatch_input) |f| f(self.handler_ctx, cbor_msg);
},
.mouse => |mouse| {
const ypos = mouse.row - 1;
@ -208,29 +219,30 @@ pub fn process_input(self: *Self, input_: []const u8) !void {
};
},
.focus_in => {
// FIXME
if (self.dispatch_event) |f| f(self.handler_ctx, try self.fmtmsg(.{"focus_in"}));
},
.focus_out => {
// FIXME
if (self.dispatch_event) |f| f(self.handler_ctx, try self.fmtmsg(.{"focus_out"}));
},
.paste_start => {
self.bracketed_paste = true;
self.bracketed_paste_buffer.clearRetainingCapacity();
},
.paste_end => {
defer self.bracketed_paste_buffer.clearAndFree();
if (!self.bracketed_paste) return;
self.bracketed_paste = false;
if (self.dispatch_event) |f| f(self.handler_ctx, try self.fmtmsg(.{ "system_clipboard", self.bracketed_paste_buffer.items }));
.paste_end => try self.handle_bracketed_paste_end(),
.paste => |text| {
defer self.a.free(text);
if (self.dispatch_event) |f| f(self.handler_ctx, try self.fmtmsg(.{ "system_clipboard", text }));
},
.cap_unicode => {
self.logger.print("unicode capability detected", .{});
self.vx.caps.unicode = .unicode;
self.vx.screen.width_method = .unicode;
},
.cap_da1 => {
std.Thread.Futex.wake(&self.vx.query_futex, 10);
self.vx.enableDetectedFeatures() catch |e| self.logger.err("enable features", e);
},
.cap_kitty_keyboard => {
self.logger.print("kitty keyboard capability detected", .{});
self.vx.caps.kitty_keyboard = true;
},
.cap_kitty_graphics => {
@ -239,6 +251,7 @@ pub fn process_input(self: *Self, input_: []const u8) !void {
}
},
.cap_rgb => {
self.logger.print("rgb capability detected", .{});
self.vx.caps.rgb = true;
},
}
@ -251,70 +264,55 @@ fn fmtmsg(self: *Self, value: anytype) ![]const u8 {
return self.event_buffer.items;
}
const OSC = "\x1B]"; // Operating System Command
const ST = "\x1B\\"; // String Terminator
const BEL = "\x07";
const OSC0_title = OSC ++ "0;";
const OSC52_clipboard = OSC ++ "52;c;";
const OSC52_clipboard_paste = OSC ++ "52;p;";
const OSC22_cursor = OSC ++ "22;";
const OSC22_cursor_reply = OSC ++ "22:";
const CSI = "\x1B["; // Control Sequence Introducer
const CSI_bracketed_paste_enable = CSI ++ "?2004h";
const CSI_bracketed_paste_disable = CSI ++ "?2004h";
const CIS_bracketed_paste_begin = CSI ++ "200~";
const CIS_bracketed_paste_end = CSI ++ "201~";
pub fn set_terminal_title(text: []const u8) void {
var writer = std.io.getStdOut().writer();
var buf: [std.posix.PATH_MAX]u8 = undefined;
const term_cmd = std.fmt.bufPrint(&buf, OSC0_title ++ "{s}" ++ BEL, .{text}) catch return;
_ = writer.write(term_cmd) catch return;
fn handle_bracketed_paste_input(self: *Self, cbor_msg: []const u8) !bool {
var keypress: u32 = undefined;
var egc_: u32 = undefined;
if (try cbor.match(cbor_msg, .{ "I", cbor.number, cbor.extract(&keypress), cbor.extract(&egc_), cbor.string, 0 })) {
switch (keypress) {
key.ENTER => try self.bracketed_paste_buffer.appendSlice("\n"),
else => if (!key.synthesized_p(keypress)) {
var buf: [6]u8 = undefined;
const bytes = try ucs32_to_utf8(&[_]u32{egc_}, &buf);
try self.bracketed_paste_buffer.appendSlice(buf[0..bytes]);
} else {
try self.handle_bracketed_paste_end();
return false;
},
}
return true;
}
return false;
}
pub fn copy_to_system_clipboard(tmp_a: std.mem.Allocator, text: []const u8) void {
copy_to_system_clipboard_with_errors(tmp_a, text) catch |e| log.logger(log_name).err("copy_to_system_clipboard", e);
fn handle_bracketed_paste_end(self: *Self) !void {
defer self.bracketed_paste_buffer.clearAndFree();
if (!self.bracketed_paste) return;
self.bracketed_paste = false;
if (self.dispatch_event) |f| f(self.handler_ctx, try self.fmtmsg(.{ "system_clipboard", self.bracketed_paste_buffer.items }));
}
fn copy_to_system_clipboard_with_errors(tmp_a: std.mem.Allocator, text: []const u8) !void {
var writer = std.io.getStdOut().writer();
const encoder = std.base64.standard.Encoder;
const size = OSC52_clipboard.len + encoder.calcSize(text.len) + ST.len;
const buf = try tmp_a.alloc(u8, size);
defer tmp_a.free(buf);
@memcpy(buf[0..OSC52_clipboard.len], OSC52_clipboard);
const b64 = encoder.encode(buf[OSC52_clipboard.len..], text);
@memcpy(buf[OSC52_clipboard.len + b64.len ..], ST);
_ = try writer.write(buf);
pub fn set_terminal_title(self: *Self, text: []const u8) void {
self.vx.setTitle(text) catch {};
}
pub fn request_system_clipboard() void {
write_stdout(OSC52_clipboard ++ "?" ++ ST);
pub fn copy_to_system_clipboard(self: *Self, text: []const u8) void {
self.vx.copyToSystemClipboard(text, self.a) catch |e| log.logger(log_name).err("copy_to_system_clipboard", e);
}
pub fn request_mouse_cursor_text(push_or_pop: bool) void {
if (push_or_pop) mouse_cursor_push("text") else mouse_cursor_pop();
pub fn request_system_clipboard(self: *Self) void {
self.vx.requestSystemClipboard() catch |e| log.logger(log_name).err("request_system_clipboard", e);
}
pub fn request_mouse_cursor_pointer(push_or_pop: bool) void {
if (push_or_pop) mouse_cursor_push("pointer") else mouse_cursor_pop();
pub fn request_mouse_cursor_text(self: *Self, push_or_pop: bool) void {
if (push_or_pop) self.vx.setMouseShape(.text) else self.vx.setMouseShape(.default);
}
pub fn request_mouse_cursor_default(push_or_pop: bool) void {
if (push_or_pop) mouse_cursor_push("default") else mouse_cursor_pop();
pub fn request_mouse_cursor_pointer(self: *Self, push_or_pop: bool) void {
if (push_or_pop) self.vx.setMouseShape(.pointer) else self.vx.setMouseShape(.default);
}
fn mouse_cursor_push(comptime name: []const u8) void {
write_stdout(OSC22_cursor ++ name ++ ST);
}
fn mouse_cursor_pop() void {
write_stdout(OSC22_cursor ++ "default" ++ ST);
}
fn write_stdout(bytes: []const u8) void {
_ = std.io.getStdOut().writer().write(bytes) catch |e| log.logger(log_name).err("stdout", e);
pub fn request_mouse_cursor_default(self: *Self, push_or_pop: bool) void {
if (push_or_pop) self.vx.setMouseShape(.default) else self.vx.setMouseShape(.default);
}
pub fn cursor_enable(self: *Self, y: c_int, x: c_int) !void {