Add home, end, delete, allow for holding keys down

constants.odin

@@ -1,5 +1,7 @@
 package main
 
+import "core:time"
+
 // WINDOW SIZES
 DEFAULT_WINDOW_MINIMUM_WINDOW_WIDTH  :: 300
 DEFAULT_WINDOW_MINIMUM_WINDOW_HEIGHT :: 200
@@ -21,3 +23,5 @@ DEFAULT_STATUS_BAR_TEXT_COLUR  :: Colour{197, 197, 55, 255}
 DEFAULT_FONT :: "/usr/share/fonts/TTF/FiraCode-Regular.ttf"
 DEFAULT_FONT_SIZE :: 11
 
+// DELAYS
+DEFAULT_DELAY :: 100 * time.Millisecond

main.odin

@@ -3,8 +3,9 @@ package main
 import "core:fmt"
 import "core:log"
 import "core:os"
-import "core:strings"
 import "core:slice"
+import "core:strings"
+import "core:time"
 import "core:math"
 import rl "vendor:raylib"
 
@@ -276,30 +277,39 @@ update :: proc(app: ^App) {
 		}
 
 		// Handle special keys
-		if rl.IsKeyPressed(.ENTER) {
+		if rl.IsKeyDown(.ENTER) {
 			if current_file.selection.active {
 				delete_selection(current_file)
 			}
 			insert_character(current_file, '\n')
+			time.sleep(DEFAULT_DELAY)
 		}
-		if rl.IsKeyPressed(.BACKSPACE) {
+		if rl.IsKeyDown(.BACKSPACE) {
 			if current_file.selection.active {
 				delete_selection(current_file)
-			} else {
-				delete_character(current_file)
 			}
+			delete_character(current_file)
+			time.sleep(DEFAULT_DELAY)
 		}
-		if rl.IsKeyPressed(.TAB) {
+		if rl.IsKeyDown(.TAB) {
 			if current_file.selection.active {
 				delete_selection(current_file)
 			}
 			insert_character(current_file, '\t')
+			time.sleep(DEFAULT_DELAY)
+		}
+		if rl.IsKeyDown(.DELETE) {
+			if current_file.selection.active {
+				delete_selection(current_file)
+			}
+			delete_character(current_file, delete_backwards = true)
+			time.sleep(DEFAULT_DELAY)
 		}
 
 		// Handle cursor movement
 		shift_held := rl.IsKeyDown(.LEFT_SHIFT) || rl.IsKeyDown(.RIGHT_SHIFT)
 
-		if rl.IsKeyPressed(.LEFT) {
+		if rl.IsKeyDown(.LEFT) {
 			if !shift_held && current_file.selection.active {
 				current_file.cursor_pos = current_file.selection.start
 				current_file.selection.active = false
@@ -315,8 +325,9 @@ update :: proc(app: ^App) {
 					current_file.selection.end = current_file.cursor_pos
 				}
 			}
+			time.sleep(DEFAULT_DELAY)
 		}
-		if rl.IsKeyPressed(.RIGHT) {
+		if rl.IsKeyDown(.RIGHT) {
 			if !shift_held && current_file.selection.active {
 				current_file.cursor_pos = current_file.selection.end
 				current_file.selection.active = false
@@ -332,8 +343,9 @@ update :: proc(app: ^App) {
 					current_file.selection.end = current_file.cursor_pos
 				}
 			}
+			time.sleep(DEFAULT_DELAY)
 		}
-		if rl.IsKeyPressed(.UP) {
+		if rl.IsKeyDown(.UP) {
 			if !shift_held && current_file.selection.active {
 				current_file.selection.active = false
 			} else if !current_file.selection.active && shift_held {
@@ -344,8 +356,9 @@ update :: proc(app: ^App) {
 			if shift_held {
 				current_file.selection.end = current_file.cursor_pos
 			}
+			time.sleep(DEFAULT_DELAY)
 		}
-		if rl.IsKeyPressed(.DOWN) {
+		if rl.IsKeyDown(.DOWN) {
 			if !shift_held && current_file.selection.active {
 				current_file.selection.active = false
 			} else if !current_file.selection.active && shift_held {
@@ -356,6 +369,13 @@ update :: proc(app: ^App) {
 			if shift_held {
 				current_file.selection.end = current_file.cursor_pos
 			}
+			time.sleep(DEFAULT_DELAY)
+		}
+		if rl.IsKeyDown(.HOME) {
+			move_cursor_to_start_of_line(current_file)
+		}
+		if rl.IsKeyDown(.END) {
+			move_cursor_to_end_of_line(current_file)
 		}
 
 		// Handle scrolling
@@ -648,14 +668,21 @@ insert_character :: proc(file: ^FileBuffer, character: rune) {
 	}
 }
 
-delete_character :: proc(file: ^FileBuffer) {
+delete_character :: proc(file: ^FileBuffer, delete_backwards: bool = false) {
-	if file.cursor_pos > 0 {
+	if file.cursor_pos > 0 && !delete_backwards {
 		before := file.content[:file.cursor_pos-1]
 		after := file.content[file.cursor_pos:]
 		file.content = fmt.aprintf("%s%s", before, after)
 		file.cursor_pos -= 1
 		file.modified = true
 		clear_selection(file)
+	} else if file.cursor_pos < len(file.content) && delete_backwards {
+		fmt.println("cursor_pos:", file.cursor_pos, "len(file.content):", len(file.content))
+		before := file.content[:file.cursor_pos]
+		after := file.content[file.cursor_pos+1:]
+		file.content = fmt.aprintf("%s%s", before, after)
+		file.modified = true
+		clear_selection(file)
 	}
 }
 
@@ -777,6 +804,38 @@ move_cursor_down :: proc(file: ^FileBuffer) {
 	}
 }
 
+move_cursor_to_start_of_line :: proc(file: ^FileBuffer) {
+	// For wrapped text, we need to handle cursor movement differently
+	if file.cursor_pos < len(file.content) {
+		// Find the current line start
+		for i := file.cursor_pos - 1; i >= 0; i -= 1 {
+			if file.content[i] == '\n' {
+				file.cursor_pos = i + 1
+				return
+			}
+		}
+
+		// If no newline found, go to start
+		file.cursor_pos = 0
+	}
+}
+
+move_cursor_to_end_of_line :: proc(file: ^FileBuffer) {
+	// For wrapped text, we need to handle cursor movement differently
+	if file.cursor_pos < len(file.content) {
+		// Find the next newline
+		for i := file.cursor_pos; i < len(file.content); i += 1 {
+			if file.content[i] == '\n' {
+				file.cursor_pos = i
+				return
+			}
+		}
+
+		// If no newline found, go to end
+		file.cursor_pos = len(file.content)
+	}
+}
+
 save_file :: proc(file: ^FileBuffer) {
 	success := os.write_entire_file(file.filename, transmute([]u8)file.content)
 	if success {