2 files changed, 32 insertions(+), 6 deletions(-)

M README.md
M orca.c

@@ 45,6 45,19 @@ To display the list of operators inside of Orca, use `CmdOrCtrl+G`.
 - `*` **bang**: Bangs neighboring operands.
 - `#` **comment**: Halts a line.
 
+## Controls
+
+- `PAGEUP`, incr. bpm.
+- `PAGEDOWN`, decr. bpm.
+- `+` zoom in.
+- `-` zoom out.
+- `SHIFT+ARROW` scale selection.
+- `CTRL+ARROW` drag selection.
+- `ARROW` move selection.
+- `SPACE` toggle play.
+- `BACKSPACE` erase.
+- `CTRL+/` comment block.
+
 ## Syntax Highlight
 
 - `1` locked


@@ 56,9 69,6 @@ To display the list of operators inside of Orca, use `CmdOrCtrl+G`.
 ## TODOs
 
 - True clock
-	- Display BMP in interface.
-	- Add clock controls.
 	- Makeup for render time.
-- Trigger release behaviour.
-- Reflect outgoing midi notes.
 - Selection right-to-left drag.
+- Random

@@ 461,8 461,20 @@ select(int x, int y, int w, int h)
 {
 	cursor.x = clamp(x, 0, HOR - 1);
 	cursor.y = clamp(y, 0, VER - 1);
-	cursor.w = clamp(w, 1, 36);
-	cursor.h = clamp(h, 1, 36);
+	cursor.w = clamp(w, 1, HOR - x + 1);
+	cursor.h = clamp(h, 1, VER - y + 1);
+	redraw(pixels);
+}
+
+void
+comment(Rect2d *r)
+{
+	int y;
+	char c = get(&g, r->x, r->y) == '#' ? '.' : '#';
+	for(y = 0; y < r->h; ++y) {
+		set(&g, r->x, r->y + y, c);
+		set(&g, r->x + r->w - 1, r->y + y, c);
+	}
 	redraw(pixels);
 }
 


@@ 631,6 643,10 @@ dokey(SDL_Event *event)
 	case SDLK_PLUS: modzoom(1); break;
 	case SDLK_UNDERSCORE:
 	case SDLK_MINUS: modzoom(-1); break;
+	case SDLK_SLASH:
+		if(ctrl)
+			comment(&cursor);
+		break;
 	case SDLK_UP:
 		if(ctrl)
 			moveclip(&cursor, clip, 0, -1);