replace compton config with picom

picom.conf

@@ -0,0 +1,128 @@
+no-fading-openclose = true;
+
+opacity-rule = [ 
+"95:class_g = 'i3bar'",
+"95:class_g = 'pcmanfm'",
+"95:class_g = 'Pcmanfm'",
+"95:class_g = 'urxvt'",
+"95:class_g = 'URxvt'"
+];
+
+#################################
+#
+# Backend
+#
+#################################
+backend = "glx";
+
+#################################
+#
+# GLX backend
+#
+#################################
+glx-no-stencil = true;
+glx-copy-from-front = false;
+unredir-if-possible = true;
+use-damage = true;
+vsync = true;
+
+#################################
+#
+# Opacity
+#
+#################################
+inactive-opacity = 1;
+active-opacity = 1;
+frame-opacity = 1;
+inactive-opacity-override = false;
+# Dim inactive windows. (0.0 - 1.0)
+#inactive-dim = 0.2;
+# Do not let dimness adjust based on window opacity.
+#inactive-dim-fixed = true;
+# Blur background of transparent windows. Bad performance with X Render backend. GLX backend is preferred.
+#blur-background = true;
+# Blur background of opaque windows with transparent frames as well.
+#blur-background-frame = true;
+# Do not let blur radius adjust based on window opacity.
+blur-background-fixed = false;
+blur-background-exclude = [
+    "window_type = 'dock'",
+    "window_type = 'desktop'"
+];
+
+#################################
+#
+# Fading
+#
+#################################
+
+# Fade windows during opacity changes.
+fading = true;
+# The time between steps in a fade in milliseconds. (default 10).
+fade-delta = 4;
+# Opacity change between steps while fading in. (default 0.028).
+fade-in-step = 0.03;
+# Opacity change between steps while fading out. (default 0.03).
+fade-out-step = 0.03;
+# Fade windows in/out when opening/closing
+# no-fading-openclose = true;
+# Specify a list of conditions of windows that should not be faded.
+fade-exclude = [ ];
+
+#################################
+#
+# Other
+#
+#################################
+
+# Try to detect WM windows and mark them as active.
+mark-wmwin-focused = true;
+# Mark all non-WM but override-redirect windows active (e.g. menus).
+mark-ovredir-focused = true;
+# Use EWMH _NET_WM_ACTIVE_WINDOW to determine which window is focused instead of using FocusIn/Out events.
+# Usually more reliable but depends on a EWMH-compliant WM.
+use-ewmh-active-win = true;
+# Detect rounded corners and treat them as rectangular when --shadow-ignore-shaped is on.
+detect-rounded-corners = true;
+# Detect _NET_WM_OPACITY on client windows, useful for window managers not passing _NET_WM_OPACITY of client windows to frame windows.
+# This prevents opacity being ignored for some apps.
+# For example without this enabled my xfce4-notifyd is 100% opacity no matter what.
+detect-client-opacity = true;
+# Specify refresh rate of the screen.
+# If not specified or 0, compton will try detecting this with X RandR extension.
+refresh-rate = 0;
+# Enable DBE painting mode, intended to use with VSync to (hopefully) eliminate tearing.
+# Reported to have no effect, though.
+dbe = false;
+# Limit compton to repaint at most once every 1 / refresh_rate second to boost performance.
+# This should not be used with --vsync drm/opengl/opengl-oml as they essentially does --sw-opti's job already,
+# unless you wish to specify a lower refresh rate than the actual value.
+sw-opti = false;
+# Specify a list of conditions of windows that should always be considered focused.
+focus-exclude = [ ];
+# Use WM_TRANSIENT_FOR to group windows, and consider windows in the same group focused at the same time.
+detect-transient = true;
+# Use WM_CLIENT_LEADER to group windows, and consider windows in the same group focused at the same time.
+# WM_TRANSIENT_FOR has higher priority if --detect-transient is enabled, too.
+detect-client-leader = true;
+
+#################################
+#
+# Window type settings
+#
+#################################
+
+wintypes:
+{
+    tooltip =
+    {
+        # fade: Fade the particular type of windows.
+        fade = true;
+        # shadow: Give those windows shadow
+        shadow = false;
+        # opacity: Default opacity for the type of windows.
+        opacity = 0.85;
+        # focus: Whether to always consider windows of this type focused.
+        focus = true;
+    };
+};