Merge pull request #1 from lulvz/cut-keybinds

Cut keybinds, some copy keybinds too and delete->copy functionality in existing commands

src/keybind/builtin/vim.json

@@ -9,12 +9,15 @@
         "name": "NORMAL",
         "line_numbers": "relative",
         "cursor": "block",
+        "selection": "normal",
         "press": [
             ["b", "move_word_left_vim"],
             ["w", "move_word_right_vim"],
+            ["W", "move_word_right"],
+            ["B", "move_word_left"],
             ["e", "move_word_right_end_vim"],
-            ["x", "delete_forward"],
+            ["x", "cut_forward_internal"],
-            ["s", ["delete_forward"], ["enter_mode", "insert"]],
+            ["s", ["cut_forward_internal"], ["enter_mode", "insert"]],
             ["u", "undo"],
 
             ["j", "move_down"],
@@ -31,15 +34,15 @@
             ["O", ["smart_insert_line_before"], ["enter_mode", "insert"]],
 
             ["v", "enter_mode", "visual"],
+            ["V", ["move_begin"], ["enter_mode", "visual"], ["select_end"]],
 
-            ["/", "find"],
             ["n", "goto_next_match"],
             ["0", "move_begin"],
+            ["^", "smart_move_begin"],
             ["$", "move_end"],
             [":", "open_command_palette"],
-            ["p", "paste"],
+            ["p", "paste_internal_vim"],
 
-            ["gd", "goto_definition"],
             ["gi", "goto_implementation"],
             ["gy", "goto_type_definition"],
             ["gg", "move_buffer_begin"],
@@ -48,10 +51,12 @@
             ["G", "move_buffer_end"],
 
             ["d$", "delete_to_end"],
-            ["dd", "cut"],
+            ["dw", "cut_word_right_vim"],
+            ["db", "cut_word_left_vim"],
+            ["dd", "cut_internal_vim"],
             ["\"_dd", "delete_line"],
 
-            ["yy", "copy_line"],
+            ["yy", ["copy_line_internal_vim"], ["cancel"]],
 
             ["<C-u>", "move_scroll_page_up"],
             ["<C-d>", "move_scroll_page_down"],
@@ -61,10 +66,12 @@
             ["<C-i>", "jump_forward"],
             ["<C-y>", "redo"],
 
+            ["/", "find"],
+
             ["<C-k>", "TODO"],
 
-            ["<C-CR>", "smart_insert_line_after"],
+            ["<C-CR>", ["move_down"], ["move_begin"]],
-            ["<CR>", "smart_insert_line"]
+            ["<CR>", ["move_down"], ["move_begin"]]
         ]
     },
     "visual": {
@@ -72,13 +79,20 @@
         "on_match_failure": "ignore",
         "name": "VISUAL",
         "line_numbers": "relative",
-        "cursor": "underline",
+        "cursor": "block",
+        "selection": "normal",
         "press": [
             ["<Esc>", "enter_mode", "normal"],
             ["k", "select_up"],
             ["j", "select_down"],
             ["h", "select_left"],
-            ["l", "select_right"]
+            ["l", "select_right"],
+
+            ["y", ["copy_internal_vim"], ["cancel"], ["enter_mode", "normal"]],
+
+            ["x", ["cut_forward_internal"], ["cancel"], ["enter_mode", "normal"]],
+            ["d", ["cut_forward_internal"], ["cancel"], ["enter_mode", "normal"]],
+            ["s", ["cut_forward_internal"], ["cancel"], ["enter_mode", "insert"]]
         ]
     },
     "insert": {
@@ -91,7 +105,10 @@
             ["<Esc>", "enter_mode", "normal"],
             ["<Del>", "delete_forward"],
             ["<BS>", "delete_backward"],
-            ["<CR>", "insert_line_after"]
+            ["<CR>", "smart_insert_line"],
+
+            ["<C-BS>", "delete_word_left"],
+            ["<C-Del", "delete_word_right"]
         ]
     },
     "home": {

src/tui/editor.zig

@@ -2364,6 +2364,12 @@ pub const Editor = struct {
         }
     }
 
+    fn set_clipboard_internal(self: *Self, text: []const u8) void {
+        if (self.clipboard) |old|
+            self.allocator.free(old);
+        self.clipboard = text;
+    }
+
     fn copy_selection(root: Buffer.Root, sel: Selection, text_allocator: Allocator, metrics: Buffer.Metrics) ![]u8 {
         var size: usize = 0;
         _ = try root.get_range(sel, null, &size, null, metrics);
@@ -2411,6 +2417,81 @@ pub const Editor = struct {
         return root_;
     }
 
+    fn insert_line_vim(self: *Self, root: Buffer.Root, cursel: *CurSel, s: []const u8, allocator: Allocator) !Buffer.Root {
+        var root_ = if (cursel.selection) |_| try self.delete_selection(root, cursel, allocator) else root;
+        const cursor = &cursel.cursor;
+        const begin = cursel.cursor;
+        _, _, root_ = try root_.insert_chars(cursor.row, cursor.col, s, allocator, self.metrics);
+        cursor.target = cursor.col;
+        self.nudge_insert(.{ .begin = begin, .end = cursor.* }, cursel, s.len);
+        return root_;
+    }
+
+    fn cut_to(self: *Self, move: cursor_operator_const, root_: Buffer.Root) !struct { []const u8, Buffer.Root } {
+        var all_stop = true;
+        var root = root_;
+
+        var text = std.ArrayList(u8).init(self.allocator);
+        var first = true;
+        for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
+            if (cursel.selection) |_| {
+                const cut_text, root = self.cut_selection(root, cursel) catch continue;
+                all_stop = false;
+                if (first) {
+                    first = false;
+                } else {
+                    try text.appendSlice("\n");
+                }
+                try text.appendSlice(cut_text);
+                continue;
+            }
+
+            with_selection_const(root, move, cursel, self.metrics) catch continue;
+            const cut_text, root = self.cut_selection(root, cursel) catch continue;
+
+            if (first) {
+                first = false;
+            } else {
+                try text.appendSlice("\n");
+            }
+            try text.appendSlice(cut_text);
+            all_stop = false;
+        };
+
+        if (all_stop)
+            return error.Stop;
+        return .{text.items, root};
+    }
+
+    pub fn cut_internal_vim(self: *Self, _: Context) Result {
+        const primary = self.get_primary();
+        const b = self.buf_for_update() catch return;
+        var root = b.root;
+        var text = std.ArrayList(u8).init(self.allocator);
+        if (self.cursels.items.len == 1)
+            if (primary.selection) |_| {} else {
+                try text.appendSlice("\n");
+                const sel = primary.enable_selection(root, self.metrics) catch return;
+                try move_cursor_begin(root, &sel.begin, self.metrics);
+                try move_cursor_end(root, &sel.end, self.metrics);
+                try move_cursor_right(root, &sel.end, self.metrics);
+            };
+        var first = true;
+        for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
+            const cut_text, root = try self.cut_selection(root, cursel);
+            if (first) {
+                first = false;
+            } else {
+                try text.appendSlice("\n");
+            }
+            try text.appendSlice(cut_text);
+        };
+        try self.update_buf(root);
+        self.set_clipboard_internal(text.items);
+        self.clamp();
+    }
+    pub const cut_internal_vim_meta = .{ .description = "Cut selection or current line to internal clipboard (vim)" };
+ 
     pub fn cut(self: *Self, _: Context) Result {
         const primary = self.get_primary();
         const b = self.buf_for_update() catch return;
@@ -2473,6 +2554,66 @@ pub const Editor = struct {
     }
     pub const copy_meta = .{ .description = "Copy selection to clipboard" };
 
+    pub fn copy_internal_vim(self: *Self, _: Context) Result {
+        const root = self.buf_root() catch return;
+        var first = true;
+        var text = std.ArrayList(u8).init(self.allocator);
+        for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
+            if (cursel.selection) |sel| {
+                const copy_text = try copy_selection(root, sel, self.allocator, self.metrics);
+                if (first) {
+                    first = false;
+                } else {
+                    try text.appendSlice("\n");
+                }
+                try text.appendSlice(copy_text);
+            }
+        };
+        if (text.items.len > 0) {
+            if (text.items.len > 100) {
+                self.logger.print("copy:{s}...", .{std.fmt.fmtSliceEscapeLower(text.items[0..100])});
+            } else {
+                self.logger.print("copy:{s}", .{std.fmt.fmtSliceEscapeLower(text.items)});
+            }
+            self.set_clipboard_internal(text.items);
+        }
+    }
+    pub const copy_internal_vim_meta = .{ .description = "Copy selection to internal clipboard (vim)" };
+
+    pub fn copy_line_internal_vim(self: *Self, _: Context) Result {
+        const primary = self.get_primary();
+        const root = self.buf_root() catch return;
+        var first = true;
+        var text = std.ArrayList(u8).init(self.allocator);
+        try text.appendSlice("\n");
+        if (primary.selection) |_| {} else {
+            const sel = primary.enable_selection(root, self.metrics) catch return;
+            try move_cursor_begin(root, &sel.begin, self.metrics);
+            try move_cursor_end(root, &sel.end, self.metrics);
+            try move_cursor_right(root, &sel.end, self.metrics);
+        }
+        for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
+            if (cursel.selection) |sel| {
+                const copy_text = try copy_selection(root, sel, self.allocator, self.metrics);
+                if (first) {
+                    first = false;
+                } else {
+                    try text.appendSlice("\n");
+                }
+                try text.appendSlice(copy_text);
+            }
+        };
+        if (text.items.len > 0) {
+            if (text.items.len > 100) {
+                self.logger.print("copy:{s}...", .{std.fmt.fmtSliceEscapeLower(text.items[0..100])});
+            } else {
+                self.logger.print("copy:{s}", .{std.fmt.fmtSliceEscapeLower(text.items)});
+            }
+            self.set_clipboard_internal(text.items);
+        }
+    }
+    pub const copy_line_internal_vim_meta = .{ .description = "Copy line to internal clipboard (vim)" };
+
     pub fn paste(self: *Self, ctx: Context) Result {
         var text: []const u8 = undefined;
         if (!(ctx.args.buf.len > 0 and try ctx.args.match(.{tp.extract(&text)}))) {
@@ -2508,6 +2649,51 @@ pub const Editor = struct {
     }
     pub const paste_meta = .{ .description = "Paste from internal clipboard" };
 
+    pub fn paste_internal_vim(self: *Self, ctx: Context) Result {
+        var text: []const u8 = undefined;
+        if (!(ctx.args.buf.len > 0 and try ctx.args.match(.{tp.extract(&text)}))) {
+            if (self.clipboard) |text_| text = text_ else return;
+        }
+
+        self.logger.print("paste: {d} bytes", .{text.len});
+        const b = try self.buf_for_update();
+        var root = b.root;
+
+        if(std.mem.eql(u8, text[text.len-1..], "\n")) text = text[0..text.len-1];
+
+        if (std.mem.indexOfScalar(u8, text, '\n')) |idx| {
+            if(idx == 0) {
+                for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
+                    try move_cursor_end(root, &cursel.cursor, self.metrics);
+                    root = try self.insert(root, cursel, "\n", b.allocator);
+                };
+                text = text[1..];
+            }
+            if (self.cursels.items.len == 1) {
+            const primary = self.get_primary();
+            root = try self.insert_line_vim(root, primary, text, b.allocator);
+            } else {
+                for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
+                    root = try self.insert_line_vim(root, cursel, text, b.allocator);
+                };
+            }
+        } else {
+            if (self.cursels.items.len == 1) {
+            const primary = self.get_primary();
+            root = try self.insert(root, primary, text, b.allocator);
+            } else {
+                for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
+                    root = try self.insert(root, cursel, text, b.allocator);
+                };
+            }
+        }
+        
+        try self.update_buf(root);
+        self.clamp();
+        self.need_render();
+    }
+    pub const paste_internal_vim_meta = .{ .description = "Paste from internal clipboard (vim)" };
+
     pub fn delete_forward(self: *Self, _: Context) Result {
         const b = try self.buf_for_update();
         const root = try self.delete_to(move_cursor_right, b.root, b.allocator);
@@ -2516,6 +2702,15 @@ pub const Editor = struct {
     }
     pub const delete_forward_meta = .{ .description = "Delete next character" };
 
+    pub fn cut_forward_internal(self: *Self, _: Context) Result {
+        const b = try self.buf_for_update();
+        const text, const root= try self.cut_to(move_cursor_right, b.root);
+        self.set_clipboard_internal(text);
+        try self.update_buf(root);
+        self.clamp();
+    }
+    pub const cut_forward_internal_meta = .{ .description = "Cut next character to internal clipboard" };
+
     pub fn delete_backward(self: *Self, _: Context) Result {
         const b = try self.buf_for_update();
         const root = try self.delete_to(move_cursor_left, b.root, b.allocator);
@@ -2532,6 +2727,15 @@ pub const Editor = struct {
     }
     pub const delete_word_left_meta = .{ .description = "Delete previous word" };
 
+    pub fn cut_word_left_vim(self: *Self, _: Context) Result {
+        const b = try self.buf_for_update();
+        const text, const root= try self.cut_to(move_cursor_word_left_vim, b.root);
+        self.set_clipboard_internal(text);
+        try self.update_buf(root);
+        self.clamp();
+    }
+    pub const cut_word_left_vim_meta = .{ .description = "Cut next character to internal clipboard" };
+
     pub fn delete_word_right(self: *Self, _: Context) Result {
         const b = try self.buf_for_update();
         const root = try self.delete_to(move_cursor_word_right_space, b.root, b.allocator);
@@ -2540,6 +2744,15 @@ pub const Editor = struct {
     }
     pub const delete_word_right_meta = .{ .description = "Delete next word" };
 
+    pub fn cut_word_right_vim(self: *Self, _: Context) Result {
+        const b = try self.buf_for_update();
+        const text, const root= try self.cut_to(move_cursor_word_right_vim, b.root);
+        self.set_clipboard_internal(text);
+        try self.update_buf(root);
+        self.clamp();
+    }
+    pub const cut_word_right_vim_meta = .{ .description = "Cut next character to internal clipboard" };
+
     pub fn delete_to_begin(self: *Self, _: Context) Result {
         const b = try self.buf_for_update();
         const root = try self.delete_to(move_cursor_begin, b.root, b.allocator);