day-00: basic mouse and showing cwd relative fs

1 files changed, 122 insertions, 0 deletions

diff --git a/main.zig b/main.zig
new file mode 100644
index 00000000..e591b7d0
--- /dev/null
+++ b/main.zig
@@ -0,0 +1,122 @@
+const std = @import("std");
+const vaxis = @import("vaxis");
+
+// basic file navigation
+// basic shell io
+// basic layouting: for now following acme and ad
+// * /home/goblin/05-genizah/plan9port/src/cmd/acme
+// * /home/goblin/05-genizah/ad
+// * /usr/lib/zig
+// * ../03-plano
+// right click and enter on lines to open files at specified lines
+
+pub const Command = struct {
+    prev: ?*Command = null,
+    pub var value: union(enum) {
+        close,
+        ping,
+        nop,
+        quit,
+        tick,
+        key_press: vaxis.Key,
+        winsize: vaxis.Winsize,
+        mouse: vaxis.Mouse,
+    } = .nop;
+};
+
+const Loop = vaxis.Loop(@TypeOf(Command.value));
+const MAX_FILES: usize = 0x200;
+
+fn ticker(io: std.Io, loop: *Loop) void {
+    while (true) {
+        io.sleep(.fromMilliseconds(2), .awake) catch return;
+        _ = loop.tryPostEvent(.tick) catch return;
+    }
+}
+
+pub fn main(init: std.process.Init) !void {
+    std.debug.print("hello!\n", .{});
+
+    const io = init.io;
+    const gpa = init.gpa;
+
+    var tty_buf: [0x10000]u8 = undefined;
+    var lines: [0x1000][0x1000]u8 = undefined;
+
+    const dir = std.Io.Dir.cwd();
+    const cwd = try std.Io.Dir.openDir(dir, io, ".", .{ .iterate = true });
+    var walk = try cwd.walk(gpa);
+    defer walk.deinit();
+
+    {
+        var i: usize = 0;
+
+        while (try walk.next(io)) |e| : (i += 1) {
+            if (i > MAX_FILES) break;
+
+            std.debug.print("path: {s}\n", .{e.path});
+            @memcpy(lines[i][0..e.path.len], e.path);
+            std.debug.dumpHex(lines[i][0..2]);
+            lines[i][e.path.len] = 0;
+        }
+    }
+
+    var tty = try vaxis.Tty.init(io, &tty_buf);
+
+    var vx = try vaxis.init(io, gpa, init.environ_map, .{});
+    defer vx.deinit(gpa, tty.writer());
+
+    try vx.enterAltScreen(tty.writer());
+    defer vx.exitAltScreen(tty.writer()) catch {};
+
+    try vx.setMouseMode(tty.writer(), true);
+
+    var loop: Loop = .init(io, &tty, &vx);
+    try loop.start();
+    defer loop.stop();
+
+    while (true) {
+        const event = try loop.nextEvent();
+        const win = vx.window();
+
+        for (0..MAX_FILES) |i| {
+            if (i > MAX_FILES) break;
+
+            // const str: [:0]u8 = std.mem.absorbSentinel(&line);
+            const len = std.mem.findSentinel(u8, 0, @ptrCast(&lines[i]));
+            _ = win.printSegment(.{ .text = lines[i][0..len] }, .{
+                .row_offset = @intCast(i),
+                .wrap = .none,
+            });
+        }
+
+        switch (event) {
+            .key_press => |key| {
+                if (key.matches('c', .{ .ctrl = true })) {
+                    break;
+                }
+            },
+            .mouse => |m| {
+                if (m.type == .press) {
+                    // const txt = try std.fmt.allocPrint(gpa, "col={} row={} xo={} yo={}", .{ m.col, m.row, m.xoffset, m.yoffset });
+                    const len = std.mem.findSentinel(u8, 0, @ptrCast(&lines[@intCast(m.row)]));
+                    _ = win.printSegment(
+                        .{
+                            .text = lines[@intCast(m.row)][0..len],
+                            .style = .{ .fg = .{ .rgb = .{ 0x00, 0xd0, 0xaa } } },
+                        },
+                        .{
+                            .col_offset = @as(u16, @intCast(m.col)),
+                            .row_offset = @as(u16, @intCast(m.row)),
+                            .wrap = .none,
+                        },
+                    );
+                }
+            },
+            .winsize => |ws| try vx.resize(gpa, tty.writer(), ws),
+            else => {},
+        }
+
+        try vx.render(tty.writer());
+    }
+}