1 files changed, 55 insertions, 0 deletions
diff --git a/slider.py b/slider.py
new file mode 100755
index 0000000..8968e6f
--- /dev/null
+++ b/slider.py
@@ -0,0 +1,55 @@
+# slider.py
+import utils,pygame,g,copy
+
+# sets g.level 1..steps
+class Slider:
+    def __init__(self,cx,cy,steps,colour=utils.BLACK):
+        self.easy=utils.load_image('slow.png',True)
+        self.hard=utils.load_image('fast.png',True)
+        self.xo=utils.load_image('xo.png',True)
+        iw=self.hard.get_width(); ih=self.hard.get_height()
+        w=g.sy(16); w2=w/2; h2=ih/2
+        self.x1=cx-w2; self.y=cy-h2; self.x2=cx+w2-iw
+        x=cx-w2+iw*1.2; w=w-2*iw*1.2; h=g.sy(.12);y=cy+g.sy(.34)
+        self.rect=pygame.Rect(x,y,w,h)
+        mh=g.sy(1);self.mark=pygame.Rect(x,y-mh/2+h/2,h,mh)
+        self.steps=steps; self.dx=w/(steps-1);self.colour=colour
+        self.cx=cx; self.cy=cy
+        marks=[]; x=self.rect.left; click_rects=[]; dx=self.dx
+        for i in range(self.steps):
+            rect=copy.copy(self.mark); rect.left=x-5; rect.width=10; marks.append(rect)
+            click_rect=pygame.Rect(x-dx/2,self.mark.top,dx,self.mark.h)
+            click_rects.append(click_rect)
+            x+=dx
+        self.marks=marks; self.click_rects=click_rects
+
+    def draw(self):
+        g.screen.blit(self.easy,(self.x1,self.y));
+        g.screen.blit(self.hard,(self.x2,self.y))
+        pygame.draw.rect(g.screen,self.colour,self.rect) # horizontal line
+        x=self.rect.left # now draw marks
+        for i in range(self.steps):
+            self.mark.left=x; pygame.draw.rect(g.screen,self.colour,self.mark)
+            if i==(g.level-1):
+                dx=self.xo.get_width()/2; dy=self.xo.get_height()/2
+                g.screen.blit(self.xo,(x-dx+self.mark.w/2,self.cy-dy))
+            x+=self.dx
+
+    def mouse(self):
+        mx,my=g.pos
+        rect=self.easy.get_rect(topleft=(self.x1,self.y))
+        if rect.collidepoint(mx,my):
+            if g.level>1: g.level-=1; return True#****
+        rect=self.hard.get_rect(topleft=(self.x2,self.y))
+        if rect.collidepoint(mx,my):
+            if g.level<self.steps: g.level+=1; return True#****
+        n=1
+        for rect in self.click_rects:
+            if rect.collidepoint(mx,my):
+                if g.level==n:
+                    return False#****
+                else:
+                    g.level=n; return True#****
+            n+=1
+        return False
+