Experimental mouse support

main.lua

@@ -118,6 +118,43 @@ function setback(pos, highlight)
     end
 end
 
+local in_mouse = false
+
+function love.mousepressed(x, y, button, istouch, presses)
+  if button == 1 then
+    if visual_start then
+      for i=math.min(visual_start or cp, cp), math.max(visual_start or cp, cp) do
+        setback(i, false)
+      end
+      visual_start = false
+    else
+      setback(cp, false)
+    end
+    local x, y = math.floor(x / 36), math.floor(y / 36)
+    if x > 15 or y > 15 then return end
+    cp = y * 16 + x + 1
+    setback(cp, true)
+    backimage:replacePixels(backimagedata)
+    in_mouse = true
+  end
+end
+
+function love.mousereleased(x, y, button, istouch, presses)
+  in_mouse = false
+end
+
+function love.mousemoved(x, y, dx, dy, istouch)
+  if in_mouse then
+    if visual_start then
+      local x, y = math.floor(x / 36), math.floor(y / 36)
+      if x > 15 or y > 15 then return end
+      cp = y * 16 + x + 1
+    else
+      visual_start = cp
+    end
+  end
+end
+
 function love.update(dt)
   local function ktup(key, func)
     if kt[key] then
@@ -284,14 +321,14 @@ function love.update(dt)
     image:replacePixels(imagedata)
   end
   local function visual()
-    visual_start = not visual_start and cp
+    if visual_start then
-    if not visual_start then
+      for i=math.min(visual_start or cp, cp), math.max(visual_start or cp, cp) do
-      for i=1,255 do
         setback(i, false)
       end
       setback(cp, true)
       backimage:replacePixels(backimagedata)
     end
+    visual_start = not visual_start and cp
   end
   ktup('k', imgup)
   ktup('up', imgup)