examples: fix api for main, pathological, table

examples/main.zig

@@ -15,13 +15,15 @@ pub fn main() !void {
     const alloc = gpa.allocator();
 
     // Initialize Vaxis
-    var vx = try vaxis.init(Event, .{});
+    var vx = try vaxis.init(.{});
     defer vx.deinit(alloc);
 
+    var loop: vaxis.Loop(Event) = .{ .vaxis = &vx };
+
     // Start the read loop. This puts the terminal in raw mode and begins
     // reading user input
-    try vx.startReadThread();
+    try loop.run();
-    defer vx.stopReadThread();
+    defer loop.stop();
 
     // Optionally enter the alternate screen
     try vx.enterAltScreen();
@@ -34,7 +36,7 @@ pub fn main() !void {
     // queue which can serve as the primary event queue for an application
     while (true) {
         // nextEvent blocks until an event is in the queue
-        const event = vx.nextEvent();
+        const event = loop.nextEvent();
         log.debug("event: {}", .{event});
         // exhaustive switching ftw. Vaxis will send events if your Event
         // enum has the fields for those events (ie "key_press", "winsize")

examples/pathological.zig

@@ -11,16 +11,18 @@ const Event = union(enum) {
 pub fn main() !void {
     var gpa = std.heap.GeneralPurposeAllocator(.{}){};
     const alloc = gpa.allocator();
-    var vx = try vaxis.init(Event, .{});
+    var vx = try vaxis.init(.{});
     errdefer vx.deinit(alloc);
 
-    try vx.startReadThread();
+    var loop: vaxis.Loop(Event) = .{ .vaxis = &vx };
-    defer vx.stopReadThread();
+
+    try loop.run();
+    defer loop.stop();
     try vx.enterAltScreen();
     try vx.queryTerminal();
 
     while (true) {
-        const event = vx.nextEvent();
+        const event = loop.nextEvent();
         switch (event) {
             .winsize => |ws| {
                 try vx.resize(alloc, ws);

examples/table.zig

@@ -25,17 +25,16 @@ pub fn main() !void {
     const user_list = std.ArrayList(User).fromOwnedSlice(alloc, users_buf);
     defer user_list.deinit();
 
-    var vx = try vaxis.init(
+    var vx = try vaxis.init(.{});
-        union(enum) {
-            key_press: vaxis.Key,
-            winsize: vaxis.Winsize,
-        },
-        .{},
-    );
     defer vx.deinit(alloc);
 
-    try vx.startReadThread();
+    var loop: vaxis.Loop(union(enum) {
-    defer vx.stopReadThread();
+        key_press: vaxis.Key,
+        winsize: vaxis.Winsize,
+    }) = .{ .vaxis = &vx };
+
+    try loop.run();
+    defer loop.stop();
     try vx.enterAltScreen();
     try vx.queryTerminal();
 
@@ -77,7 +76,7 @@ pub fn main() !void {
         var event_arena = heap.ArenaAllocator.init(alloc);
         defer event_arena.deinit();
         const event_alloc = event_arena.allocator();
-        const event = vx.nextEvent();
+        const event = loop.nextEvent();
 
         switch (event) {
             .key_press => |key| keyEvt: {