fm: add search&find menu (#203)

boot/grubfm/global.sh

@@ -51,3 +51,14 @@ hiddenentry "[F5] PXE BOOT MENU" --hotkey f5 {
 hiddenentry "[F6] POWER OFF" --hotkey f6 {
   configfile ${prefix}/power.sh;
 }
+
+hiddenentry " " --hotkey f {
+  if [ -n "${grubfm_current_path}" ];
+  then
+    export srcdir=$grubfm_current_path;
+    configfile $prefix/search.sh;
+  else
+    export srcdir=(*);
+    configfile $prefix/search.sh;
+  fi;
+}

boot/grubfm/search.sh

@@ -0,0 +1,64 @@
+# Grub2-FileManager
+# Copyright (C) 2017,2020  A1ive.
+#
+# Grub2-FileManager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Grub2-FileManager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Grub2-FileManager.  If not, see <http://www.gnu.org/licenses/>.
+
+function search_list {
+  set ext="${1}";
+  unset found;
+  echo "Searching *.${ext} ...";
+  for file in ${srcdir}*.${ext} ${srcdir}*/*.${ext} ${srcdir}*/*/*.${ext};
+  do
+    if [ -f "${file}" ];
+    then
+      echo "${file}";
+    else
+      continue;
+    fi
+    set found="1";
+    menuentry "${file}" --class ${2} {
+      grubfm_open "${1}";
+    }
+  done;
+  if [ -z "${found}" ];
+  then
+    menuentry $"File not found" --class search {
+      configfile ${prefix}/search.sh;
+    }
+  fi;
+}
+
+function search_menu {
+  menuentry $"Please select the type of file you want to search:" --class search {
+    grubfm;
+  }
+  submenu "wim" --class wim {
+    search_list "wim" "wim";
+  }
+  submenu "iso" --class iso {
+    search_list "iso" "iso";
+  }
+  submenu "img" --class img {
+    search_list "img" "img";
+  }
+  submenu "vhd" --class img {
+    search_list "vhd" "img";
+  }
+  submenu "efi" --class exe {
+    search_list "efi" "exe";
+  }
+}
+
+search_menu;
+source $prefix/global.sh;

boot/grubfm/themes/slack/fm.txt

@@ -63,3 +63,10 @@ terminal-box: "term_bkg_*.png"
         + image {file = "dock/logout.png"}
     }
 }
+
++ hbox {
+    top = 100%-21
+    left = 0%
+    + image {file = "dock/search.png"}
+    + label {text = "[F]" color = "#ffffff"}
+}