qt6: switch from kvantum to kde family & hyprland: a new set of config

config/niri/.config/niri/config/binds.kdl

@@ -11,8 +11,8 @@ recent-windows {
 binds {
     // Apps
     Mod+C               repeat=false    { spawn "code"; }
-    Mod+E               repeat=false    { spawn "dolphin" "--new-window"; }
-    Mod+Shift+E         repeat=false    { spawn "nautilus" "--new-window"; }
+    Mod+E               repeat=false    { spawn "nautilus" "--new-window"; }
+    Mod+Shift+E         repeat=false    { spawn "dolphin" "--new-window"; }
     Mod+W               repeat=false    { spawn-sh "zen || zen-browser"; }
     Mod+B               repeat=false    { spawn-sh "pkill -x -n btop || kitty-floating -e btop"; }
     Mod+Shift+T         repeat=false    { spawn "kitty-floating"; }

config/niri/.config/niri/config/envs.kdl

@@ -8,14 +8,13 @@ environment {
 
     // Themes
     QT_QPA_PLATFORM "wayland"
-    QT_QPA_PLATFORMTHEME "kde" // looks nicer than kvantum
-    QT_STYLE_OVERRIDE "Kvantum"
+    QT_QPA_PLATFORMTHEME "kde"
+    // QT_STYLE_OVERRIDE "kvantum"
 
     // Nvidia
     LIBVA_DRIVER_NAME "nvidia"
     NVD_BACKEND "nvidia"
     GBM_BACKEND "nvidia-drm"
-    WLR_NO_HARDWARE_CURSORS "1"
 
     // Fix Swing
     _JAVA_AWT_WM_NONREPARENTING "1"