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fix end of file bug

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This commit is contained in:
Grant Horner
2026-05-10 08:47:25 -04:00
parent e755d1d89c
commit d6bee8b2e2
3 changed files with 63 additions and 36 deletions
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23
edit.jai
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@@ -52,6 +52,9 @@ run_editor :: (file_name: string) {
state.file_name = file_name;
window := create_window(state.window_width, state.window_height, state.file_name);
state.window_width, state.window_height = Simp.get_render_dimensions(window);
my_init_fonts(*state);
Simp.set_render_target(window);
@@ -257,9 +260,13 @@ handle_arrow :: (using state: *State, using event: Input.Event) {
cursor_y -= 1;
}
case .ARROW_DOWN;
if cursor_y == visible_lines.count - 1 {
if cursor_y + first_line == lines.count - 1 {
print("End of file?\n");
print_vars(cursor_y, first_line, visible_lines.count, lines.count);
} else if cursor_y == visible_lines.count - 1 {
print("increasing first line\n");
print_vars(cursor_y, visible_lines.count);
first_line = min(first_line + 1, lines.count);
} else if cursor_y + first_line + visible_lines.count >= lines.count {
} else {
cursor_y += 1;
}
@@ -290,6 +297,9 @@ handle_arrow :: (using state: *State, using event: Input.Event) {
get_visible_lines :: (using state: State) -> [][..]u8 {
if line_height <= 1 || window_height == 0 return .[];
num_lines_in_screen := window_height / line_height - 1;
print("num_lines_in_screen: %\n", num_lines_in_screen);
print("first_line: %\n", first_line);
print("lines: %\n", lines);
return array_view(lines, first_line, num_lines_in_screen);
}
@@ -370,10 +380,15 @@ read_file_lines :: (using state: *State, file_path: string) -> bool {
}
my_init_fonts :: (using state: *State) {
line_height = 16;
base_path := path_strip_filename(get_path_of_running_executable());
my_font = Simp.get_font_at_size("/home/grant/.local/share/fonts/otf/BerkeleyMono/", "BerkeleyMono-Regular.otf", line_height);
#if OS == .LINUX {
line_height = 16;
my_font = Simp.get_font_at_size("/home/grant/.local/share/fonts/otf/BerkeleyMono/", "BerkeleyMono-Regular.otf", line_height);
} else if OS == .MACOS {
line_height = 32;
my_font = Simp.get_font_at_size("/Users/grant/Library/Fonts/", "BerkeleyMono-Regular.otf", line_height);
}
// my_font = Simp.get_font_at_size(base_path, "Anonymous Pro.ttf", line_height);
assert(my_font != null);
}