fix backspace bug

.gitignore

@@ -3,3 +3,5 @@ bin
 .DS_Store
 src/src
 scratch
+src.bin*
+*.sublime-workspace

odit.sublime-project

@@ -0,0 +1,26 @@
+{
+	"debugger_configurations":
+	[
+		{
+			"type": "lldb",
+			"request": "launch",
+			"name": "Launch",
+			"program": "${project_path}/src.bin",
+			"args": [],
+			"cwd": "${project_path}"
+		},
+	],
+	"build_systems": [
+		{
+			"cmd": ["odin", "build", "src", "-debug"],
+			"name": "odit",
+			"selector": "source.odin",
+			"working_dir": "${project_path}"
+		}
+	],
+	"folders": [
+		{
+			"path": "."
+		}
+	]
+}

src/main.odin

@@ -174,9 +174,10 @@ main :: proc() {
 			fmt.println("Wrote file!")
 		}
 
-		if repeatable_key_pressed(r.KeyboardKey.BACKSPACE) {
+		skip_backspace: if repeatable_key_pressed(r.KeyboardKey.BACKSPACE) {
-			if cursor.line == 0 && cursor.char == 0 do continue
+			if cursor.line == 0 && cursor.char == 0 do break skip_backspace
 			if cursor.char == 0 {
+				// join lines
 				old_len := len(lines[cursor.line - 1])
 				append(&lines[cursor.line - 1], string(current_line()[:]))
 				line_to_remove := current_line()^
@@ -185,8 +186,21 @@ main :: proc() {
 				cursor.line -= 1
 				cursor.char = old_len
 			} else {
-				ordered_remove(&lines[cursor.line], cursor.char - 1)
+				if r.IsKeyDown(r.KeyboardKey.LEFT_ALT) {
-				cursor.char -= 1
+					// delete by word
+					delete_to, found := find_previous_space(cursor.char, current_line()[:])
+					if found {
+						remove_range(current_line(), delete_to, cursor.char)
+						cursor.char = delete_to
+					} else {
+						remove_range(current_line(), 0, cursor.char)
+						cursor.char = 0
+					}
+				} else {
+					// delete single char
+					ordered_remove(&lines[cursor.line], cursor.char - 1)
+					cursor.char -= 1
+				}
 			}
 		}