feat: add set-wallpaper command, configure default apps via xdg-mime

Author: draphy

install.sh

@@ -2449,6 +2449,83 @@ EOF
     fi
 }
 
+# Configure default applications via xdg-settings
+configure_default_apps() {
+    print_step "Setting default applications..."
+
+    # Source environment.d to get default app names
+    if [ -f "$HOME/.config/environment.d/defaults.conf" ]; then
+        # shellcheck source=/dev/null
+        . "$HOME/.config/environment.d/defaults.conf"
+    fi
+
+    # Helper to check if desktop file exists
+    desktop_exists() {
+        local desktop="$1"
+        [ -f "/usr/share/applications/$desktop" ] || \
+        [ -f "$HOME/.local/share/applications/$desktop" ]
+    }
+
+    # Helper to set xdg-mime default
+    set_mime_default() {
+        local desktop="$1"
+        shift
+        if desktop_exists "$desktop"; then
+            for mime in "$@"; do
+                xdg-mime default "$desktop" "$mime" 2>/dev/null || true
+            done
+        fi
+    }
+
+    local browser="${BROWSER:-brave-browser}"
+    local file_manager="${FILE_MANAGER:-thunar}"
+    local player="${PLAYER:-mpv}"
+    local ide="${IDE:-code}"
+
+    # Set default browser via xdg-settings
+    if command -v xdg-settings &>/dev/null; then
+        local browser_desktop="${browser}.desktop"
+        if desktop_exists "$browser_desktop"; then
+            # Temporarily unset BROWSER to allow xdg-settings to work
+            local saved_browser="$BROWSER"
+            unset BROWSER
+            if xdg-settings set default-web-browser "$browser_desktop" 2>/dev/null; then
+                print_step "Default browser set: $browser"
+            fi
+            export BROWSER="$saved_browser"
+        fi
+    fi
+
+    # Set defaults via xdg-mime
+    if command -v xdg-mime &>/dev/null; then
+        # File manager
+        set_mime_default "${file_manager}.desktop" "inode/directory"
+
+        # Video player
+        set_mime_default "${player}.desktop" \
+            "video/mp4" "video/x-matroska" "video/webm" "video/avi" \
+            "video/quicktime" "video/x-msvideo"
+
+        # Audio player
+        set_mime_default "${player}.desktop" \
+            "audio/mpeg" "audio/mp3" "audio/flac" "audio/ogg" \
+            "audio/wav" "audio/x-wav"
+
+        # Image viewer (feh)
+        set_mime_default "feh.desktop" \
+            "image/png" "image/jpeg" "image/gif" "image/webp" "image/bmp"
+
+        # Text/code editor
+        set_mime_default "${ide}.desktop" \
+            "text/plain" "application/json" "text/x-python" \
+            "text/x-shellscript" "application/javascript"
+
+        print_step "MIME associations configured"
+    fi
+
+    print_success "Default applications configured"
+}
+
 # Configure battery charging limit (if supported)
 # Supports: ThinkPad, ASUS, Dell, Lenovo IdeaPad, Huawei, LG, MSI, Samsung, Framework, System76
 configure_battery_limit() {
@@ -3283,6 +3360,7 @@ main() {
     configure_gammastep_location # Auto-detect location for blue light filter
     configure_power_management # Handle TLP vs power-profiles-daemon conflict
     configure_lightdm
+    configure_default_apps
     configure_battery_limit
     create_marker
     install_update_script

update.sh

@@ -1403,6 +1403,27 @@ do_draphyos_update() {
     chmod +x "$HOME/.config/i3/scripts/cheatsheet.sh" 2>/dev/null || true
     chmod +x "$HOME/.config/polybar/launch.sh" 2>/dev/null || true
 
+    # Re-apply default app associations (in case environment.d changed)
+    if [ -f "$HOME/.config/environment.d/defaults.conf" ]; then
+        print_step "Updating default app associations..."
+        # shellcheck source=/dev/null
+        . "$HOME/.config/environment.d/defaults.conf"
+
+        if command -v xdg-mime &>/dev/null; then
+            # File manager
+            xdg-mime default "${FILE_MANAGER:-thunar}.desktop" inode/directory 2>/dev/null || true
+            # Video/Audio player
+            for mime in video/mp4 video/x-matroska audio/mpeg audio/flac; do
+                xdg-mime default "${PLAYER:-mpv}.desktop" "$mime" 2>/dev/null || true
+            done
+            # Image viewer
+            for mime in image/png image/jpeg image/gif; do
+                xdg-mime default "feh.desktop" "$mime" 2>/dev/null || true
+            done
+        fi
+        print_step "Default app associations updated"
+    fi
+
     # Cleanup temp directory
     rm -rf "$original_configs_dir"