Added basic settings

closes #89

src/gui/settings.sh

@@ -0,0 +1,57 @@
+gui_settings() {
+    local debug share gnupghome keyserver dongle
+    is_true $DEBUG && debug=true
+    is_true $SHARE && share=true
+    # TODO: think something about dongle, dongle can use DIR field
+    # but we always have a default value for this field. How to avoid this?
+
+    # TODO: add EGPG_DIR to config, but it is difficult as it would require to
+    # reload the settings box on changing EGPG_DIR. Also the config file may not
+    # exist in the new EGPG_DIR 
+    details=$(yad --title="EasyGnuPG | Settings" \
+        --borders=10 \
+        --form \
+        --field="GNUPGHOME":DIR "$GNUPGHOME" \
+        --field="DONGLE" "$DONGLE" \
+        --field="KEYSERVER": "$KEYSERVER" \
+        --field="SHARE":CHK "$share" \
+        --field="DEBUG":CHK "$debug" \
+        --button=gtk-save \
+        --button=gtk-quit)
+    echo $details > /dev/tty
+    gnupghome=$(echo "$details" | cut -d'|' -f1)
+    dongle=$(echo "$details" | cut -d'|' -f2)
+    keyserver=$(echo "$details" | cut -d'|' -f3)
+    share=$(echo "$details" | cut -d'|' -f4)
+    debug=$(echo "$details" | cut -d'|' -f5)
+
+    # TODO: we can call egpg set here
+    # Also we can rewrite the complete config file instead of changing
+
+    # TODO: Also check if config's GNUPGHOME is on priority one
+    sed -i "$EGPG_DIR/config.sh" -e "/DEBUG=/c DEBUG=$debug"
+    sed -i "$EGPG_DIR/config.sh" -e "/SHARE=/c SHARE=$share"
+    call_fn gpg_send_keys
+    sed -i "$EGPG_DIR/config.sh" -e "/GNUPGHOME=/c GNUPGHOME=\"$gnupghome\""
+    sed -i "$EGPG_DIR/config.sh" -e "/KEYSERVER=/c KEYSERVER=\"$keyserver\""
+    [[ -z "$dongle" ]] || (dongle=$(realpath $dongle) && sed -i "$EGPG_DIR/config.sh" -e "/DONGLE=/c DONGLE=\"$dongle\"")
+}
+
+#
+# This file is part of EasyGnuPG.  EasyGnuPG is a wrapper around GnuPG
+# to simplify its operations.  Copyright (C) 2018 Dashamir Hoxha,
+# Divesh Uttamchandani
+#
+# This program 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.
+#
+# This program 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 this program.  If not, see http://www.gnu.org/licenses/
+#