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Merge branch 'master' of github.com:lcpz/lain
[etc/awesome.git] / layout / centerwork.lua
diff --git a/layout/centerwork.lua b/layout/centerwork.lua
index aff27710dc8d31a208fad53200499de762431f9e..2b38a69f0378ff5e095e45266b0d1fd4183a49c1 100644 (file)
--- a/layout/centerwork.lua
+++ b/layout/centerwork.lua
@@ -1,33 +1,32 @@
 --[[
 
      Licensed under GNU General Public License v2
 --[[
 
      Licensed under GNU General Public License v2
+      * (c) 2018,      Eugene Pakhomov
       * (c) 2016,      Henrik Antonsson
       * (c) 2015,      Joerg Jaspert
       * (c) 2014,      projektile
       * (c) 2016,      Henrik Antonsson
       * (c) 2015,      Joerg Jaspert
       * (c) 2014,      projektile
-      * (c) 2013,      Luke Bonham
+      * (c) 2013,      Luca CPZ
       * (c) 2010-2012, Peter Hofmann
 
 --]]
 
       * (c) 2010-2012, Peter Hofmann
 
 --]]
 
-local floor  = math.floor
-local screen = screen
+local floor, max, mouse, mousegrabber, screen = math.floor, math.max, mouse, mousegrabber, screen
 
 local centerwork = {
 
 local centerwork = {
-    name         = "centerwork",
-    horizontal   = { name = "centerworkh" }
+    name       = "centerwork",
+    horizontal = { name = "centerworkh" }
 }
 
 }
 
-local function do_centerwork(p, orientation)
-    local t = p.tag or screen[p.screen].selected_tag
-    local wa = p.workarea
+local function arrange(p, layout)
+    local t   = p.tag or screen[p.screen].selected_tag
+    local wa  = p.workarea
     local cls = p.clients
 
     if #cls == 0 then return end
 
     local cls = p.clients
 
     if #cls == 0 then return end
 
-    local c = cls[1]
-    local g = {}
+    local c, g = cls[1], {}
 
 
-    -- Main column, fixed width and height.
+    -- Main column, fixed width and height
     local mwfact          = t.master_width_factor
     local mainhei         = floor(wa.height * mwfact)
     local mainwid         = floor(wa.width * mwfact)
     local mwfact          = t.master_width_factor
     local mainhei         = floor(wa.height * mwfact)
     local mainwid         = floor(wa.width * mwfact)
@@ -42,7 +41,7 @@ local function do_centerwork(p, orientation)
 
     local slaveFirstDim, slaveSecondDim = 0, 0
 
 
     local slaveFirstDim, slaveSecondDim = 0, 0
 
-    if orientation == "vertical" then
+    if layout.name == "centerwork" then -- vertical
         if nbrFirstSlaves  > 0 then slaveFirstDim  = floor(wa.height / nbrFirstSlaves) end
         if nbrSecondSlaves > 0 then slaveSecondDim = floor(wa.height / nbrSecondSlaves) end
 
         if nbrFirstSlaves  > 0 then slaveFirstDim  = floor(wa.height / nbrFirstSlaves) end
         if nbrSecondSlaves > 0 then slaveSecondDim = floor(wa.height / nbrSecondSlaves) end
 
@@ -51,7 +50,7 @@ local function do_centerwork(p, orientation)
 
         g.x = wa.x + slaveLwid
         g.y = wa.y
 
         g.x = wa.x + slaveLwid
         g.y = wa.y
-    else
+    else -- horizontal
         if nbrFirstSlaves  > 0 then slaveFirstDim  = floor(wa.width / nbrFirstSlaves) end
         if nbrSecondSlaves > 0 then slaveSecondDim = floor(wa.width / nbrSecondSlaves) end
 
         if nbrFirstSlaves  > 0 then slaveFirstDim  = floor(wa.width / nbrFirstSlaves) end
         if nbrSecondSlaves > 0 then slaveSecondDim = floor(wa.width / nbrSecondSlaves) end
 
@@ -62,92 +61,134 @@ local function do_centerwork(p, orientation)
         g.y = wa.y + slaveThei
     end
 
         g.y = wa.y + slaveThei
     end
 
-    if g.width  < 1 then g.width  = 1 end
-    if g.height < 1 then g.height = 1 end
+    g.width  = max(g.width, 1)
+    g.height = max(g.height, 1)
 
     p.geometries[c] = g
 
 
     p.geometries[c] = g
 
-    -- Auxiliary windows.
+    -- Auxiliary clients
     if #cls <= 1 then return end
     if #cls <= 1 then return end
-    for i = 2,#cls do
-        local c = cls[i]
-        local g = {}
+    for i = 2, #cls do
+        local c, g = cls[i], {}
+        local idxChecker, dimToAssign
 
         local rowIndex = floor(i/2)
 
 
         local rowIndex = floor(i/2)
 
-        if orientation == "vertical" then
-            if i % 2 == 0 then
-                -- left slave
-                g.x = wa.x
-                g.y = wa.y + (rowIndex-1)*slaveFirstDim
-
+        if layout.name == "centerwork" then
+            if i % 2 == 0 then -- left slave
+                g.x     = wa.x
+                g.y     = wa.y + (rowIndex - 1) * slaveFirstDim
                 g.width = slaveLwid
 
                 g.width = slaveLwid
 
-                -- if last slave in left row use remaining space for that slave
-                if rowIndex == nbrFirstSlaves then
-                    g.height = wa.y + wa.height - g.y
-                else
-                    g.height = slaveFirstDim
-                end
-            else
-                -- right slave
-                g.x = wa.x + slaveLwid + mainwid
-                g.y = wa.y + (rowIndex-1)*slaveSecondDim
-
+                idxChecker, dimToAssign = nbrFirstSlaves, slaveFirstDim
+            else -- right slave
+                g.x     = wa.x + slaveLwid + mainwid
+                g.y     = wa.y + (rowIndex - 1) * slaveSecondDim
                 g.width = slaveRwid
 
                 g.width = slaveRwid
 
-                -- if last slave in right row use remaining space for that slave
-                if rowIndex == nbrSecondSlaves then
-                    g.height = wa.y + wa.height - g.y
-                else
-                    g.height = slaveSecondDim
-                end
+                idxChecker, dimToAssign = nbrSecondSlaves, slaveSecondDim
             end
             end
-        else
-            if i % 2 == 0 then
-                -- top slave
-                g.x = wa.x + (rowIndex-1)*slaveFirstDim
-                g.y = wa.y
 
 
-                g.height = slaveThei
-
-                -- if last slave in top row use remaining space for that slave
-                if rowIndex == nbrFirstSlaves then
-                    g.width = wa.x + wa.width - g.x
-                else
-                    g.width = slaveFirstDim
-                end
+            -- if last slave in row, use remaining space for it
+            if rowIndex == idxChecker then
+                g.height = wa.y + wa.height - g.y
             else
             else
-                -- bottom slave
-                g.x = wa.x + (rowIndex-1)*slaveSecondDim
-                g.y = wa.y + slaveThei + mainhei
+                g.height = dimToAssign
+            end
+        else
+            if i % 2 == 0 then -- top slave
+                g.x      = wa.x + (rowIndex - 1) * slaveFirstDim
+                g.y      = wa.y
+                g.height = slaveThei
 
 
+                idxChecker, dimToAssign = nbrFirstSlaves, slaveFirstDim
+            else -- bottom slave
+                g.x      = wa.x + (rowIndex - 1) * slaveSecondDim
+                g.y      = wa.y + slaveThei + mainhei
                 g.height = slaveBhei
 
                 g.height = slaveBhei
 
-                -- if last slave in bottom row use remaining space for that slave
-                if rowIndex == nbrSecondSlaves then
-                    g.width = wa.x + wa.width - g.x
-                else
-                    g.width = slaveSecondDim
-                end
+                idxChecker, dimToAssign = nbrSecondSlaves, slaveSecondDim
+            end
 
 
+            -- if last slave in row, use remaining space for it
+            if rowIndex == idxChecker then
+                g.width = wa.x + wa.width - g.x
+            else
+                g.width = dimToAssign
             end
         end
 
             end
         end
 
-        if g.width  < 1 then g.width  = 1 end
-        if g.height < 1 then g.height = 1 end
+        g.width  = max(g.width, 1)
+        g.height = max(g.height, 1)
 
         p.geometries[c] = g
     end
 end
 
 
         p.geometries[c] = g
     end
 end
 
+local function mouse_resize_handler(c, corner, x, y, orientation)
+    local wa     = c.screen.workarea
+    local mwfact = c.screen.selected_tag.master_width_factor
+    local g      = c:geometry()
+    local offset = 0
+    local cursor = "cross"
+
+    local corner_coords
+
+    if orientation == 'vertical' then
+        if g.height + 15 >= wa.height then
+            offset = g.height * .5
+            cursor = "sb_h_double_arrow"
+        elseif not (g.y + g.height + 15 > wa.y + wa.height) then
+            offset = g.height
+        end
+        corner_coords = { x = wa.x + wa.width * (1 - mwfact) / 2, y = g.y + offset }
+    else
+        if g.width + 15 >= wa.width then
+            offset = g.width * .5
+            cursor = "sb_v_double_arrow"
+        elseif not (g.x + g.width + 15 > wa.x + wa.width) then
+            offset = g.width
+        end
+        corner_coords = { y = wa.y + wa.height * (1 - mwfact) / 2, x = g.x + offset }
+    end
+
+    mouse.coords(corner_coords)
 
 
-function centerwork.horizontal.arrange(p)
-    return do_centerwork(p, "horizontal")
+    local prev_coords = {}
+
+    mousegrabber.run(function(_mouse)
+        if not c.valid then return false end
+        for _, v in ipairs(_mouse.buttons) do
+            if v then
+                prev_coords = { x = _mouse.x, y = _mouse.y }
+                local new_mwfact
+                if orientation == 'vertical' then
+                    new_mwfact = 1 - (_mouse.x - wa.x) / wa.width * 2
+                else
+                    new_mwfact = 1 - (_mouse.y - wa.y) / wa.height * 2
+                end
+                c.screen.selected_tag.master_width_factor = math.min(math.max(new_mwfact, 0.01), 0.99)
+                return true
+            end
+        end
+        return prev_coords.x == _mouse.x and prev_coords.y == _mouse.y
+    end, cursor)
 end
 
 function centerwork.arrange(p)
 end
 
 function centerwork.arrange(p)
-    return do_centerwork(p, "vertical")
+    return arrange(p, centerwork)
+end
+
+function centerwork.horizontal.arrange(p)
+    return arrange(p, centerwork.horizontal)
+end
+
+function centerwork.mouse_resize_handler(c, corner, x, y)
+    return mouse_resize_handler(c, corner, x, y, 'vertical')
+end
+
+function centerwork.horizontal.mouse_resize_handler(c, corner, x, y)
+    return mouse_resize_handler(c, corner, x, y, 'horizontal')
 end
 
 return centerwork
 end
 
 return centerwork
awesome window-manager configuration

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