Block erase

3 files changed, 16 insertions, 2 deletions

diff --git a/desktop/core/pico.js b/desktop/core/pico.js
index 1ca12cb..5daeafd 100644
--- a/desktop/core/pico.js
+++ b/desktop/core/pico.js
@@ -156,6 +156,19 @@ function Pico (w, h) {
     }
   }
 
+  this.removeBlock = function(x,y,w,h)
+  {    
+    let _y = y
+    while(_y < y+h){
+      let _x = x
+      while(_x < x+w){
+        this.remove(_x,_y)
+        _x++
+      }
+      _y++
+    }
+  }
+
   // Locks
 
   this.isLocked = function (x, y) {
diff --git a/desktop/sources/scripts/cursor.js b/desktop/sources/scripts/cursor.js
index e9bd78f..67afb47 100644
--- a/desktop/sources/scripts/cursor.js
+++ b/desktop/sources/scripts/cursor.js
@@ -43,7 +43,8 @@ function Cursor(terminal)
   }
 
   this.erase = function (g) {
-    pico.remove(this.x, this.y)
+    this.terminal.log(`Erase ${this.x},${this.y}[${this.w}x${this.h}]`)
+    this.terminal.pico.removeBlock(this.x,this.y,this.w,this.h)
   }
 
   this.inspect = function () {
diff --git a/desktop/sources/scripts/keyboard.js b/desktop/sources/scripts/keyboard.js
index 05258ec..7824996 100644
--- a/desktop/sources/scripts/keyboard.js
+++ b/desktop/sources/scripts/keyboard.js
@@ -29,7 +29,7 @@ function Keyboard () {
     if (event.metaKey) { return }
     if (event.ctrlKey) { return }
 
-    if (event.key == 'Backspace') { terminal.cursor.insert('.'); return }
+    if (event.key == 'Backspace') { terminal.cursor.erase(); return }
     if (event.key == 'Space') { terminal.cursor.insert('.'); event.preventDefault(); return }
     if (event.key == 'Escape') { terminal.clear(); terminal.cursor.reset(); return }