feat: basic image viewer

src/awk/get.awk

@@ -1,8 +1,11 @@
-# Retrieve content from iCalendar files
+# Retrieve content from vCard files
 #
 # Mandatory variable: `field`.
 # Name of field to retrieve.
 #
+# Optional variable: `prop`.
+# If `prop` is set, then the property `prop` of `field` is printed.
+#
 # Optional variable: `format`.
 # If `format` is set to "csv", then the content is interpreted as
 # comma-separated values, and empty values are dropped.
@@ -15,15 +18,18 @@
 
 # print content of field `field`
 BEGIN                     { FS = ":"; regex = "^" field; }
-BEGINFILE                 { type = ""; line = ""; }
-/^BEGIN:(VJOURNAL|VTODO)/ { type = $2 }
-/^END:/ && $2 == type     { nextfile }
+BEGINFILE                 { line = ""; }
+/^BEGIN:VCARD/            { next }
+/^END:VCARD/              { nextfile }
 $0 ~ regex                { line = $0;                 next; }
 /^ / && line              { line = line substr($0, 2); next; }
 /^[^ ]/ && line           { nextfile }
 ENDFILE {
-  if (type) {
+  if (line) {
     # Process line
+    if (prop)
+      content = getparam(line, prop)
+    else
       content = getcontent(line)
     if (oneline)
       content = singleline(content)

src/main.sh

@@ -142,6 +142,7 @@ while true; do
       --bind="alt-o:change-query($FLAG_ORGANIZATION )" \
       --bind="alt-l:change-query($FLAG_LOCATION )" \
       --bind="alt-w:toggle-preview-wrap" \
+      --bind="/:toggle-preview" \
       --bind="ctrl-d:preview-half-page-down" \
       --bind="ctrl-u:preview-half-page-up" \
       --bind="ctrl-s:execute($SYNC_CMD; [ -n \"${GIT:-}\" ] && ${GIT:-echo} add -A && ${GIT:-echo} commit -am 'Synchronized'; printf 'Press <enter> to continue.'; read -r tmp)" || #--color='preview-bg:#ecc297,preview-fg:black' \

src/sh/cliinternal.sh

@@ -6,6 +6,7 @@ if [ "${1:-}" = "--preview" ]; then
   name="$1"
   shift
   file="$ROOT/$name"
+  # Get info
   awk \
     -v label_tel_text="$LABEL_TEL_TEXT" \
     -v label_tel_fax="$LABEL_TEL_FAX" \
@@ -18,6 +19,20 @@ if [ "${1:-}" = "--preview" ]; then
     -v label_home="$LABEL_HOME" \
     "$AWK_PREVIEW" "$file" |
     $CAT
+  # Get photo, if supported and if it exists
+  if [ "${CHAFA:-}" ]; then
+    photo=$(mktemp)
+    awk -v field="PHOTO" "$AWK_GET" "$file" | base64 -d -i >"$photo"
+    type=$(file --mime-type -b "$photo" | cut -d '/' -f 1)
+    if [ "$type" = "image" ]; then
+      WIDTH=80
+      if [ "$FZF_PREVIEW_COLUMNS" -lt "$WIDTH" ]; then
+        WIDTH="$FZF_PREVIEW_COLUMNS"
+      fi
+      $CHAFA -f symbols -s "$WIDTH" "$photo"
+    fi
+    rm "$photo"
+  fi
   exit
 fi
 

src/sh/config.sh

@@ -65,4 +65,9 @@ if command -v "git" >/dev/null && [ -d "$ROOT/.git" ]; then
   export GIT
 fi
 
+if command -v "chafa" >/dev/null; then
+  CHAFA="chafa"
+  export CHAFA
+fi
+
 export OPEN=${OPEN:-open}