i3: add smart resize

config/i3/config

@@ -79,6 +79,12 @@ bindsym $mod+Shift+Down move down
 bindsym $mod+Shift+Up move up
 bindsym $mod+Shift+Right move right
 
+# smart resize focused window
+bindsym $mod+Ctrl+Up exec ~/.local/bin/i3-smart-resize up
+bindsym $mod+Ctrl+Down exec ~/.local/bin/i3-smart-resize down
+bindsym $mod+Ctrl+Right exec ~/.local/bin/i3-smart-resize right
+bindsym $mod+Ctrl+Left exec ~/.local/bin/i3-smart-resize left
+
 # split orientation
 bindsym $mod+q split toggle
 
@@ -107,8 +113,8 @@ bindsym $mod+Shift+minus move scratchpad
 bindsym $mod+minus scratchpad show
 
 #navigate workspaces next / previous
-bindsym $mod+Ctrl+Right workspace next
-bindsym $mod+Ctrl+Left workspace prev
+#bindsym $mod+Ctrl+Right workspace next
+#bindsym $mod+Ctrl+Left workspace prev
 
 # Workspace names
 # to display names or symbols instead of plain workspace numbers you can use

config/i3/smart-resize

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+#
+# Copyright 2016 Damien Riegel <damien.riegel@gmail.com>
+#
+# Licensed under the terms of the GNU GPL v3, or any later version.
+#
+# Resize the focused window depending on its position in the layout
+# Example: bindsym Left exec i3-smart-resize "Left"
+
+import sys
+import i3ipc
+
+DEFAULT_INCREMENT = "10 px or 10 ppt"
+
+if len(sys.argv) < 2:
+    sys.exit(-1)
+key = sys.argv[1].lower()
+
+if len(sys.argv) == 3:
+    inc = sys.argv[2]
+else:
+    inc = DEFAULT_INCREMENT
+
+def is_at_top_edge(focused):
+    workspace = focused.workspace()
+    return focused.rect.y - focused.deco_rect.height == workspace.rect.y
+
+def is_at_bottom_edge(focused):
+    workspace = focused.workspace()
+    return focused.rect.y + focused.rect.height == workspace.rect.y + workspace.rect.height
+
+def is_at_left_edge(focused):
+    workspace = focused.workspace()
+    return focused.rect.x == workspace.rect.x
+
+def is_at_right_edge(focused):
+    workspace = focused.workspace()
+    return focused.rect.x + focused.rect.width == workspace.rect.x + workspace.rect.width
+
+
+i3 = i3ipc.Connection()
+focused = i3.get_tree().find_focused()
+
+if key == "up":
+    if is_at_top_edge(focused):
+        i3.command("resize shrink down %s" % (inc))
+    else:
+        i3.command("resize grow up %s" % (inc))
+elif key == "down":
+    if is_at_bottom_edge(focused):
+        i3.command("resize shrink up %s" % (inc))
+    else:
+        i3.command("resize grow down %s" % (inc))
+elif key == "right":
+    if is_at_right_edge(focused):
+        i3.command("resize shrink left %s" % (inc))
+    else:
+        i3.command("resize grow right %s" % (inc))
+elif key == "left":
+    if is_at_left_edge(focused):
+        i3.command("resize shrink right %s" % (inc))
+    else:
+        i3.command("resize grow left %s" % (inc))
+else:
+    sys.exit(-1)

install.conf.yaml

@@ -2,6 +2,7 @@
     - [git submodule update --init --recursive, Updating submodules]
 
 - create:
+    - ~/.local/bin
     - ~/.zfunctions
     - ~/.config
     - ~/.config/beets
@@ -47,6 +48,8 @@
     ~/.i3/config:
         path: config/i3/config
         force: true
+    ~/.local/bin/i3-smart-resize:
+        path: config/i3/smart-resize
     ~/.config/rofi/:
         glob: true
         path: config/rofi/**