check solutions

0010-on.draw

@@ -1,15 +1,7 @@
 on.draw = function()
 	Buttons.button_handlers = {}
-	local w = App.width('next')
-	button(Buttons, 'next', {x=Safe_width-w-20, y=50, w=w+10, h=love.graphics.getFont():getHeight()+10, bg={r=0.6, g=0.8, b=0.6},
-		icon = function(p)
-			App.color{r=0, g=0, b=0}
-			love.graphics.print('next', p.x+5, p.y+5)
-		end,
-		onpress1 = function()
-			animate(new)
-		end,
-	})
+	draw_next_button()
+	draw_status()
 	if Draw == 'problem' then
 		draw_sum_grid(Problem)
 	else

0027-new

@@ -1,4 +1,5 @@
 new = function()
 	generate()
 	create_problem()
+	Status = ''
 end

0037-Status

@@ -0,0 +1,2 @@
+-- Is the answer correct?
+Status = ''  -- incomplete. Can also be 'yes' or 'no'

0038-draw_next_button

@@ -0,0 +1,12 @@
+draw_next_button = function()
+	local w = App.width('next')
+	button(Buttons, 'next', {x=Safe_width-w-20, y=50, w=w+10, h=love.graphics.getFont():getHeight()+10, bg={r=0.6, g=0.8, b=0.6},
+		icon = function(p)
+			App.color{r=0, g=0, b=0}
+			love.graphics.print('next', p.x+5, p.y+5)
+		end,
+		onpress1 = function()
+			animate(new)
+		end,
+	})
+end

0039-draw_status

@@ -0,0 +1,24 @@
+draw_status = function()
+	local w = App.width('check')
+	local x = Safe_width-w-20
+	local y = 50+love.graphics.getFont():getHeight()+150
+	button(Buttons, 'check', {x=x, y=y, w=w+10, h=love.graphics.getFont():getHeight()+10, bg={r=0.6, g=0.8, b=0.6},
+		icon = function(p)
+			App.color{r=0, g=0, b=0}
+			love.graphics.print('check', p.x+5, p.y+5)
+		end,
+		onpress1 = function()
+			Status = check_status()
+		end,
+	})
+	x = Safe_width-260
+	y = y+120
+	love.graphics.rectangle('line', x,y, 250,love.graphics.getFont():getHeight()+20)
+	if Status == 'yes' then
+		App.color{r=0, g=0.6, b=0}
+		love.graphics.print('yes!', x+10, y+10)
+	elseif Status == 'no' then
+		App.color{r=1, g=0, b=0}
+		love.graphics.print('sorry', x+10, y+10)
+	end
+end

0040-check_status

@@ -0,0 +1,12 @@
+check_status = function()
+	for y=1,2 do
+		for x=1,2 do
+			if Problem.data[y][x] == '' then
+				return ''
+			elseif Problem.data[y][x] ~= Solution.data[y][x] then
+				return 'no'
+			end
+		end
+	end
+	return 'yes'
+end