WIP: merge focus_terminal and open_terminal commands

src/keybind/builtin/flow.json

@@ -23,7 +23,7 @@
             ["ctrl+6", "focus_split", 5],
             ["ctrl+7", "focus_split", 6],
             ["ctrl+8", "focus_split", 7],
-            ["ctrl+`", "focus_terminal"],
+            ["ctrl+`", "open_terminal"],
             ["ctrl+j", "toggle_panel"],
             ["ctrl+shift+j", "toggle_maximize_panel"],
             ["ctrl+q", "quit"],
@@ -596,7 +596,7 @@
             ["ctrl+6", "focus_split", 5],
             ["ctrl+7", "focus_split", 6],
             ["ctrl+8", "focus_split", 7],
-            ["ctrl+`", "focus_terminal"],
+            ["ctrl+`", "unfocus_terminal"],
             ["ctrl+j", "toggle_panel"],
             ["ctrl+shift+page_down", "terminal_scroll_down"],
             ["ctrl+shift+page_up", "terminal_scroll_up"],

src/tui/home.zig

@@ -34,7 +34,7 @@ const style = struct {
         \\open_recent_project
         \\find_in_files
         \\open_command_palette
-        \\focus_terminal
+        \\open_terminal
         \\run_task
         \\add_task
         \\open_config
@@ -53,7 +53,7 @@ const style = struct {
         \\open_recent_project
         \\find_in_files
         \\open_command_palette
-        \\focus_terminal
+        \\open_terminal
         \\run_task
         \\add_task
         \\open_config

src/tui/mainview.zig

@@ -929,7 +929,7 @@ const cmds = struct {
         else if (self.is_panel_view_showing(terminal_view))
             try self.toggle_panel_view(terminal_view, .toggle)
         else
-            try focus_terminal(self, .{});
+            try open_terminal(self, .{});
     }
     pub const toggle_panel_meta: Meta = .{ .description = "Toggle panel" };
 
@@ -985,20 +985,32 @@ const cmds = struct {
     pub const toggle_terminal_view_meta: Meta = .{ .description = "Toggle terminal" };
 
     pub fn open_terminal(self: *Self, ctx: Ctx) Result {
-        try self.toggle_panel_view_with_args(terminal_view, .enable, ctx);
+        const have_args = ctx.args.buf.len > 0 and try ctx.args.match(.{ tp.string, tp.more });
-    }
+
-    pub const open_terminal_meta: Meta = .{ .description = "Open terminal", .arguments = &.{.string} };
+        if (have_args and terminal_view.is_vt_running()) {
+            var msg: std.Io.Writer.Allocating = .init(self.allocator);
+            defer msg.deinit();
+            try msg.writer.writeAll("terminal is already running '");
+            try terminal_view.get_running_cmd(&msg.writer);
+            try msg.writer.writeAll("'");
+            return tp.exit(msg.written());
+        }
 
-    pub fn focus_terminal(self: *Self, _: Ctx) Result {
         if (self.get_panel_view(terminal_view)) |vt| {
             vt.toggle_focus();
         } else {
-            try self.toggle_panel_view(terminal_view, .enable);
+            try self.toggle_panel_view_with_args(terminal_view, .enable, ctx);
             if (self.get_panel_view(terminal_view)) |vt|
                 vt.focus();
         }
     }
-    pub const focus_terminal_meta: Meta = .{ .description = "Open terminal" };
+    pub const open_terminal_meta: Meta = .{ .description = "Open terminal" };
+
+    pub fn unfocus_terminal(self: *Self, _: Ctx) Result {
+        if (self.get_panel_view(terminal_view)) |vt|
+            vt.toggle_focus();
+    }
+    pub const unfocus_terminal_meta: Meta = .{};
 
     pub fn close_terminal(self: *Self, _: Ctx) Result {
         if (self.get_panel_view(terminal_view)) |_|

src/tui/terminal_view.zig

@@ -509,6 +509,17 @@ const Vt = struct {
 };
 var global_vt: ?Vt = null;
 
+pub fn is_vt_running() bool {
+    return global_vt != null;
+}
+
+pub fn get_running_cmd(writer: *std.Io.Writer) std.Io.Writer.Error!void {
+    const cmd_argv = if (global_vt) |vt| vt.vt.cmd.argv else &.{};
+    if (cmd_argv.len > 0) {
+        _ = argv.write(writer, cmd_argv) catch {};
+    }
+}
+
 // Platform-specific pty actor: POSIX uses tp.file_descriptor + SIGCHLD,
 // Windows uses tp.file_stream with IOCP overlapped reads on the ConPTY output pipe.
 const pty = if (builtin.os.tag == .windows) pty_windows else pty_posix;

src/tui/tui.zig

@@ -1516,9 +1516,11 @@ const cmds = struct {
     };
 
     pub fn run_task_in_terminal(self: *Self, ctx: Ctx) Result {
+        std.log.debug("open_terminal: 1", .{});
         const expansion = @import("expansion.zig");
         var task: []const u8 = undefined;
         if (!try ctx.args.match(.{tp.extract(&task)})) return;
+        std.log.debug("open_terminal: task {s}", .{task});
         const args = expansion.expand_cbor(self.allocator, ctx.args.buf) catch |e| switch (e) {
             error.NotFound => return error.Stop,
             else => |e_| return e_,
@@ -1529,6 +1531,7 @@ const cmds = struct {
             cmd = task;
         call_add_task(task);
         var buf: [tp.max_message_size]u8 = undefined;
+        std.log.debug("open_terminal: 2", .{});
         try command.executeName("open_terminal", try command.fmtbuf(&buf, .{cmd}));
     }
     pub const run_task_in_terminal_meta: Meta = .{