improvement: week view with ctrl-h and ctrl-l

README.md

@@ -1,4 +1,7 @@
 A [fzf](https://github.com/junegunn/fzf)-based **calendar** application with CalDav support.
+If you are interested in this, then you may also be interested in the
+corresponding journaling application
+[fzf-vjour](https://github.com/baumea/fzf-vjour).
 
 Description and Use Case
 ------------------------
@@ -60,6 +63,20 @@ item_types = ["VEVENT"]
 ...
 ```
 
+Here is the complete list of configuration options:
+
+```
+###   ROOT:                 Directory containing the collections
+###   COLLECTION_LABELS:    Mappings between collections and labels
+###   SYNC_CMD (optional):  Synchronization command
+###   DAY_START (optional): Hour of start of the day (defaults to 8)
+###   DAY_END (optional):   Hour of end of the day (defaults to 18)
+###   EDITOR (optional):    Your favorite editor, is usually already exported
+###   TZ (optional):        Your favorite timezone, usually system's choice
+###   LC_TIME (optional):   Your favorite locale for date and time
+###   ZI_DIR (optional):    Location of tzdata, defaults to /usr/share/zoneinfo
+```
+
 Usage
 -----
 Use the default `fzf` keys to navigate your calendar entries, e.g., `ctrl-j`
@@ -81,12 +98,16 @@ Here is the list of available keybindings:
 | `ctrl-alt-u` | week view | Go back one month |
 | `ctrl-alt-d` | week view | Go forth one month |
 | `ctrl-s` | week view | Run the synchronization command |
-| `ctrl-l` | week view | Go to current week |
+| `ctrl-r` | week view | Go to current week |
 | `ctrl-g` | week view | Goto date |
+| `ctrl-t` | week view | Change timezone |
 | `enter` | day view | Open selected  calendar entry in your favorite `$EDITOR` |
 | `ctrl-n` | day view | Make a new entry |
+| `ctrl-l` | day view | Move to next day |
+| `ctrl-h` | day view | Move to previous day |
 | `esc`, `backspace` or `q` | day view | Go back to week view |
 | `ctrl-s` | day view | Run the synchronization command |
+| `ctrl-t` | day view | Change timezone |
 | `ctrl-alt-d` | day view | Delete selected entry |
 | `j` | day view | Scroll down in preview window |
 | `k` | day view | Scroll up in preview window |

src/awk/approx.awk

@@ -68,8 +68,8 @@ BEGIN                 {
   FAINT = "\033[2m";
   OFF = "\033[m";
 }
-BEGINFILE             { inside = 0; rs = 0; dur = 0; summary = ""; start = "ERROR"; end = "" }
-/^END:VEVENT/         { print "~", start, dur ? start " " end : (end ? end : start), title(start, summary), fn(FILENAME,    n, a); nextfile }
+BEGINFILE             { inside = 0; rs = 0; dur = 0; summary = ""; start = "ERROR"; end = "ERROR" }
+/^END:VEVENT/         { print "~", start, dur ? start " " end : end, title(start, summary), fn(FILENAME,    n, a); nextfile }
 /^DTSTART/ && inside  { start = parse(    dt) }
 /^DTEND/ && inside    { end = parse(    dt) }
 /^DURATION/ && inside { end = parse_duration(    dt, dta, i, n, a, seps); dur = 1 }

src/awk/dayview.awk

@@ -14,7 +14,7 @@ function slice(start, stop, desc) {
 }
 function hrline(hour) {
   hour = hour < 10 ? "0"hour : hour
-  print hour, "", "", "", FAINT hour ":00           ----------------------" OFF
+  print today, hour, "", "", "", FAINT hour ":00           ----------------------" OFF
 }
 function hrlines(start, stop, h,    starth, stoph, tmp, i) {
   starth = substr(start, 1, 2)
@@ -39,11 +39,11 @@ BEGIN {
   OFF = "\033[m"
   OFS = "|"
 }
-$1 == "00:00" && $2 == "00:00" { print $1, $3, $4, $5, allday($6);        next }
-$1 == "00:00"                  { print $1, $3, $4, $5, endstoday($2, $6); next }
+$1 == "00:00" && $2 == "00:00" { print today, $1, $3, $4, $5, allday($6);        next }
+$1 == "00:00"                  { print today, $1, $3, $4, $5, endstoday($2, $6); next }
 $1 ~ /^[0-9]{2}:[0-9]{2}$/     {
   daystart = hrlines($1, $2, daystart,    starth, stoph, tmp, i)
-  print $1, $3, $4, $5, slice($1, $2, $6)
+  print today, $1, $3, $4, $5, slice($1, $2, $6)
 }
 END {
   hrlines(dayend":00", 0, daystart,    starth, stoph, tmp, i)

src/awk/merge.awk

@@ -1,17 +1,27 @@
-BEGIN { FS="|"; i=0; dlt = -259200; spw = 604800; }
+BEGIN { FS="|" }
 NR == FNR {
   i = i + 1;
-  from[i] = int(($1 + dlt)/ spw);
+  from_year[i] = $1
+  from_week[i] = $2
   getline;
-  to[i] = int(($1 + dlt) / spw);
+  to_year[i] = $1
+  to_week[i] = $2
   next
 } # Load start and end week numbers from first file
 
 { 
-  if (from[FNR] > to[FNR])
-    print "FNR", FNR, ":", from[FNR],"-",to[FNR], "    ",$0;
-  for(i=from[FNR]; i<=to[FNR]; i++) {
-    week[i] = week[i] " " $5
+  year_i = from_year[FNR]
+  week_i = from_week[FNR]
+  year_end = to_year[FNR]
+  week_end = to_week[FNR]
+  while(year_i <= year_end && (year_i < year_end || week_i <= week_end)) {
+    label = year_i"|"week_i
+    week[label] = week[label] " " $5
+    week_i++
+    if (week_i > 53) {
+      week_ = 1
+      year_i++
+    }
   }
 }
-END { for (i in week) print i week[i]; }
+END { for (label in week) print label week[label]; }

src/awk/new.awk

@@ -27,10 +27,18 @@ BEGIN {
 desc { desc = desc "\\n" $0; next; }
 {
   from = substr($0, 1, 6) == "::: |>" ? substr($0, 8) : "";
+  if (!from)
+    exit 1
   getline
   to = substr($0, 1, 6) == "::: <|" ? substr($0, 8) : "";
+  if (!to)
+    exit 1
   getline
+  location = substr($0, 1, 2) == "@ " ? substr($0, 3) : ""
+  if (location) getline
   summary = substr($0, 1, 2) == "# " ? substr($0, 3) : ""
+  if (!summary)
+    exit 1
   getline # This line should be empty
   getline # First line of description
   desc = $0;
@@ -41,7 +49,7 @@ END {
   # If nanoseconds are not 0, then we assume user enterd "tomorrow" or
   # something the like, and we make this a date entry, as opposed to a
   # date-time entry.
-  from = from ? from : "now"
+  gsub("\"", "\\\"", from)
   cmd = "date -d \"" from "\" +\"%N\"";
   cmd | getline t
   close(cmd)
@@ -53,10 +61,13 @@ END {
     from_type = "DATE"
     cmd = "date -d \"" from "\" +\"%Y%m%d\"";
   }
-  cmd | getline from
+  suc = cmd | getline from
   close(cmd)
+  if (suc != 1) {
+    exit 1
+  }
   #
-  to = to ? to : "now"
+  gsub("\"", "\\\"", to)
   cmd = "date -d \"" to "\" +\"%N\"";
   cmd | getline t
   close(cmd)
@@ -68,9 +79,13 @@ END {
     to_type = "DATE"
     cmd = "date -d \"" to "\" +\"%Y%m%d\"";
   }
-  cmd | getline to
+  suc = cmd | getline to
   close(cmd)
+  if (suc != 1) {
+    exit 1
+  }
   escape(summary);
+  escape(location);
   escape(desc);
 
   # print ical
@@ -90,6 +105,7 @@ END {
   print "DTEND;VALUE=" to_type ":" to
   if (summary)    print_fold("SUMMARY:",     summary,       i, s);
   if (desc)       print_fold("DESCRIPTION:", desc,          i, s);
+  if (location)   print_fold("LOCATION:",    location,      i, s);
   print "END:VEVENT"
   print "END:VCALENDAR"
 }

src/awk/update.awk

@@ -36,7 +36,7 @@ ENDFILE {
     # If nanoseconds are not 0, then we assume user enterd "tomorrow" or
     # something the like, and we make this a date entry, as opposed to a
     # date-time entry.
-    from = from ? from : "now"
+    gsub("\"", "\\\"", from)
     cmd = "date -d \"" from "\" +\"%N\"";
     cmd | getline t
     close(cmd)
@@ -48,10 +48,13 @@ ENDFILE {
       from_type = "DATE"
       cmd = "date -d \"" from "\" +\"%Y%m%d\"";
     }
-    cmd | getline from
+    suc = cmd | getline from
     close(cmd)
+    if (suc != 1) {
+      exit 1
+    }
     #
-    to = to ? to : "now"
+    gsub("\"", "\\\"", to)
     cmd = "date -d \"" to "\" +\"%N\"";
     cmd | getline t
     close(cmd)
@@ -63,20 +66,32 @@ ENDFILE {
       to_type = "DATE"
       cmd = "date -d \"" to "\" +\"%Y%m%d\"";
     }
-    cmd | getline to
+    suc = cmd | getline to
     close(cmd)
+    if (suc != 1) {
+      exit 1
     }
     escape(summary);
+    escape(location);
     escape(desc);
+  }
 }
 
 NR == FNR && desc { desc = desc "\\n" $0; next; }
 NR == FNR {
   from = substr($0, 1, 6) == "::: |>" ? substr($0, 8) : "";
+  if (!from)
+    exit 1
   getline
   to = substr($0, 1, 6) == "::: <|" ? substr($0, 8) : "";
+  if (!to)
+    exit 1
   getline
+  location = substr($0, 1, 2) == "@ " ? substr($0, 3) : ""
+  if (location) getline
   summary = substr($0, 1, 2) == "# " ? substr($0, 3) : ""
+  if (!summary)
+    exit 1
   getline # This line should be empty
   getline # First line of description
   desc = $0;
@@ -86,7 +101,7 @@ NR == FNR {
 /^BEGIN:VEVENT$/                                              { inside = 1; print; next }
 /^X-ALT-DESC/ && inside                                       { next } # drop this alternative description
 /^ / && inside                                                { next } # drop this folded line (the only content with folded lines will be updated)
-/^(DTSTART|DTEND|SUMMARY|CATEGORIES|DESCRIPTION|LAST-MODIFIED)/ && inside { next } # skip for now, we will write updated fields at the end
+/^(DTSTART|DTEND|SUMMARY|LOCATION|CATEGORIES|DESCRIPTION|LAST-MODIFIED)/ && inside { next } # skip for now, we will write updated fields at the end
 /^SEQUENCE/ && inside                                         { seq = $2; next } # store sequence number and skip
 /^END:VEVENT$/ {
   seq = seq ? seq + 1 : 1
@@ -96,6 +111,7 @@ NR == FNR {
   print "DTEND;VALUE=" to_type ":" to
   print_fold("SUMMARY:",     summary,       i, s)
   print_fold("DESCRIPTION:", desc,          i, s)
+  print_fold("LOCATION:",    location,      i, s)
   inside = ""
 }
 { print }