From b843d3b2a701c2fc07ce5941756ee1308c4bceae Mon Sep 17 00:00:00 2001
From: Emmanuel Lepage Vallee <elv1313@gmail.com>
Date: Thu, 2 Oct 2014 23:57:22 -0400
Subject: [PATCH] Add screenshots for the 'max' layout indicator

---
 README.md |  2 +-
 init.lua  |  2 +-
 max.lua   | 77 +++++++++++++++++++++++++++++++++++++++++++++++--------
 3 files changed, 68 insertions(+), 13 deletions(-)

diff --git a/README.md b/README.md
index 1ce0b81..9e60a13 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ while the `Control` key is used to max out the effect.
 | `Mod4`     | `Shift`      | `Control`  | Move a floating client to the far side of that screen |
 | `Mod4`     | `Mod1 (Alt)` |            | Resize a client relative to the bottom right corner   |
 | `Mod4`     | `Mod1 (Alt)` | `Shift`    | Resize a client relative to the top left corner       |
-| `Control`  | `Mod1 (Alt)` |            | Move to the next/previous tag
+| `Control`  | `Mod1 (Alt)` |            | Move to the next/previous tag                         |
 
 # Using different keys
 
diff --git a/init.lua b/init.lua
index 4ee9263..8deb8a7 100644
--- a/init.lua
+++ b/init.lua
@@ -81,7 +81,7 @@ local function start_loop(is_swap,is_max)
 end
 
 function module.focus(direction,c,max)
-  local screen = (c and c.screen) or (capi.client.focus and capi.client.focus.screen) or capi.mouse.screen
+  local screen = (c or ((capi.client.focus and capi.client.focus.focusable) and capi.client.focus or capi.mouse)).screen
   -- Useless when there is only 1 client tiled, incompatible with the "max_out" mode (in this case, focus floating mode)
   if awful.layout.get(screen) == awful.layout.suit.max and #awful.client.tiled(screen) > 1 and not max then
     current_mode = "max"
diff --git a/max.lua b/max.lua
index cffc7ce..4f44c5c 100644
--- a/max.lua
+++ b/max.lua
@@ -124,15 +124,11 @@ local function draw_shape(s,collection,current_idx,icon_f,y)
     cr3:paint()
 
     -- Print the icon
-    local icon = icon_f(v)
+    local icon = icon_f(v,width-20,height-20-50)
     if icon then
       cr3:save()
-      local w,h = icon:get_width(),icon:get_height()
-      local aspect,aspect_h = width / w,(height-50) / h
-      if aspect > aspect_h then aspect = aspect_h end
-      cr3:translate(dx+width/2,(height-50)/2)
-      cr3:scale(aspect, aspect)
-      cr3:set_source_surface(icon,-w/2,-h/2)
+      cr3:translate(dx+10,10)
+      cr3:set_source_surface(icon)
       cr3:paint_with_alpha(0.7)
       cr3:restore()
     end
@@ -172,8 +168,56 @@ function module.hide()
 end
 
 --Client related
-local function client_icon(c)
-  return surface(c.icon)
+local function client_icon(c,width,height)
+  -- Get the content
+  --TODO detect pure black frames
+  local img = cairo.ImageSurface(cairo.Format.ARGB32, width, height)
+  local cr = cairo.Context(img)
+
+  local geom = c:geometry()
+  local scale = width/geom.width
+  if geom.height*scale > height then
+    scale = height/geom.height
+  end
+  local w,h = geom.width*scale,geom.height*scale
+
+  -- Create a mask
+  cr:save()
+  cr:translate((width-w)/2,(height-h)/2)
+  cr:arc(10,10,10,0,math.pi*2)
+  cr:fill()
+  cr:arc(w-10,10,10,0,math.pi*2)
+  cr:fill()
+  cr:arc(w-10,h-10,10,0,math.pi*2)
+  cr:fill()
+  cr:arc(10,h-10,10,0,math.pi*2)
+  cr:fill()
+  cr:rectangle(10,0,w-20,h)
+  cr:rectangle(0,10,w,h-20)
+  cr:fill()
+
+  -- Create a matrix to scale down the screenshot
+  cr:save()
+  cr:scale(scale,scale)
+
+  -- Paint the screenshot in the rounded rectangle
+  cr:set_source_surface(surface(c.content))
+  cr:set_operator(cairo.Operator.IN)
+  cr:paint()
+  cr:restore()
+  cr:restore()
+
+  -- Add icon on top, "solve" the black window issue
+  local icon = surface(c.icon)
+  local w,h = icon:get_width(),icon:get_height()
+  local aspect,aspect_h = width / w,(height) / h
+  if aspect > aspect_h then aspect = aspect_h end
+  cr:translate((width-w*aspect)/2,(height-h*aspect)/2)
+  cr:scale(aspect, aspect)
+  cr:set_source_surface(icon)
+  cr:paint_with_alpha(0.5)
+
+  return img
 end
 
 function module.display_clients(s,direction)
@@ -201,8 +245,19 @@ function module.change_focus(mod,key,event,direction,is_swap,is_max)
 end
 
 --Tag related
-local function tag_icon(t)
-  return surface(awful.tag.geticon(t))
+local function tag_icon(t,width,height)
+  local img = cairo.ImageSurface(cairo.Format.ARGB32, width, height)
+  local cr = cairo.Context(img)
+
+  local icon = surface(awful.tag.geticon(t))
+  local w,h = icon:get_width(),icon:get_height()
+  local aspect,aspect_h = width / w,(height) / h
+  if aspect > aspect_h then aspect = aspect_h end
+  cr:translate((width-w*aspect)/2,(height-h*aspect)/2)
+  cr:scale(aspect, aspect)
+  cr:set_source_surface(icon)
+  cr:paint()
+  return img
 end
 
 local tmp_screen = nil