The channel name column in the "What's on now/next" menu now adjusts its width to display the full short name of each channel

CONTRIBUTORS

@@ -2836,6 +2836,8 @@ Chris Mayo <aklhfex@gmail.com>
 Dominic Evans <oldmanuk@gmail.com>
  for making the SVDRP command LSTC accepts channel IDs
  for adding cap_net_raw to the capabilities that are not dropped
+ for suggesting to make the channel name column in the "What's on now/next" menu
+ adjust its width to display the full short name of each channel
 
 Torsten Lang <info@torstenlang.de>
  for reporting a problem with newline characters in stream component descriptions

HISTORY

@@ -7016,3 +7016,5 @@ Video Disk Recorder Revision History
 - Changed the Green button in the "Edit timer" menu from "Once" to "Single"
   (suggested by Rolf Ahrenberg).
 - Fixed some typos in HISTORY and CONTRIBUTORS (thanks to Ville Skyttä).
+- The channel name column in the "What's on now/next" menu now adjusts its width
+  to display the full short name of each channel (suggested by Dominic Evans).

channels.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: channels.c 2.20 2012/03/07 16:50:15 kls Exp $
+ * $Id: channels.c 2.21 2012/03/11 13:29:06 kls Exp $
  */
 
 #include "channels.h"
@@ -760,6 +760,8 @@ cChannels Channels;
 cChannels::cChannels(void)
 {
   maxNumber = 0;
+  maxChannelNameLength = 0;
+  maxShortChannelNameLength = 0;
   modified = CHANNELSMOD_NONE;
 }
 
@@ -937,9 +939,32 @@ bool cChannels::SwitchTo(int Number)
   return channel && cDevice::PrimaryDevice()->SwitchChannel(channel, true);
 }
 
+int cChannels::MaxChannelNameLength(void)
+{
+  if (!maxChannelNameLength) {
+     for (cChannel *channel = First(); channel; channel = Next(channel)) {
+         if (!channel->GroupSep())
+            maxChannelNameLength = max(Utf8StrLen(channel->Name()), maxChannelNameLength);
+         }
+     }
+  return maxChannelNameLength;
+}
+
+int cChannels::MaxShortChannelNameLength(void)
+{
+  if (!maxShortChannelNameLength) {
+     for (cChannel *channel = First(); channel; channel = Next(channel)) {
+         if (!channel->GroupSep())
+            maxShortChannelNameLength = max(Utf8StrLen(channel->ShortName()), maxShortChannelNameLength);
+         }
+     }
+  return maxShortChannelNameLength;
+}
+
 void cChannels::SetModified(bool ByUser)
 {
   modified = ByUser ? CHANNELSMOD_USER : !modified ? CHANNELSMOD_AUTO : modified;
+  maxChannelNameLength = maxShortChannelNameLength = 0;
 }
 
 int cChannels::Modified(void)

channels.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: channels.h 2.14 2011/08/06 09:56:13 kls Exp $
+ * $Id: channels.h 2.15 2012/03/11 11:46:39 kls Exp $
  */
 
 #ifndef __CHANNELS_H
@@ -200,6 +200,8 @@ public:
 class cChannels : public cRwLock, public cConfig<cChannel> {
 private:
   int maxNumber;
+  int maxChannelNameLength;
+  int maxShortChannelNameLength;
   int modified;
   int beingEdited;
   cHash<cChannel> channelsHashSid;
@@ -224,6 +226,8 @@ public:
   bool HasUniqueChannelID(cChannel *NewChannel, cChannel *OldChannel = NULL);
   bool SwitchTo(int Number);
   int MaxNumber(void) { return maxNumber; }
+  int MaxChannelNameLength(void);
+  int MaxShortChannelNameLength(void);
   void SetModified(bool ByUser = false);
   int Modified(void);
       ///< Returns 0 if no channels have been modified, 1 if an automatic

menu.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 2.43 2012/03/11 10:44:32 kls Exp $
+ * $Id: menu.c 2.44 2012/03/11 13:20:45 kls Exp $
  */
 
 #include "menu.h"
@@ -49,6 +49,7 @@
 #define NODISKSPACEDELTA  300 // seconds between "Not enough disk space to start recording!" messages
 
 #define CHNUMWIDTH  (numdigits(Channels.MaxNumber()) + 1)
+#define CHNAMWIDTH  (Channels.MaxShortChannelNameLength() + 1)
 
 // --- cFreeDiskSpace --------------------------------------------------------
 
@@ -1347,9 +1348,9 @@ bool cMenuScheduleItem::Update(bool Force)
      const char *csn = channel ? channel->ShortName(true) : NULL;
      cString eds = event->GetDateString();
      if (channel && withDate)
-        buffer = cString::sprintf("%d\t%.*s\t%.*s\t%s\t%c%c%c\t%s", channel->Number(), Utf8SymChars(csn, 6), csn, Utf8SymChars(eds, 6), *eds, *event->GetTimeString(), t, v, r, event->Title());
+        buffer = cString::sprintf("%d\t%.*s\t%.*s\t%s\t%c%c%c\t%s", channel->Number(), Utf8SymChars(csn, 999), csn, Utf8SymChars(eds, 6), *eds, *event->GetTimeString(), t, v, r, event->Title());
      else if (channel)
-        buffer = cString::sprintf("%d\t%.*s\t%s\t%c%c%c\t%s", channel->Number(), Utf8SymChars(csn, 6), csn, *event->GetTimeString(), t, v, r, event->Title());
+        buffer = cString::sprintf("%d\t%.*s\t%s\t%c%c%c\t%s", channel->Number(), Utf8SymChars(csn, 999), csn, *event->GetTimeString(), t, v, r, event->Title());
      else
         buffer = cString::sprintf("%.*s\t%s\t%c%c%c\t%s", Utf8SymChars(eds, 6), *eds, *event->GetTimeString(), t, v, r, event->Title());
      SetText(buffer);
@@ -1383,7 +1384,7 @@ int cMenuWhatsOn::currentChannel = 0;
 const cEvent *cMenuWhatsOn::scheduleEvent = NULL;
 
 cMenuWhatsOn::cMenuWhatsOn(const cSchedules *Schedules, bool Now, int CurrentChannelNr)
-:cOsdMenu(Now ? tr("What's on now?") : tr("What's on next?"), CHNUMWIDTH, 7, 6, 4)
+:cOsdMenu(Now ? tr("What's on now?") : tr("What's on next?"), CHNUMWIDTH, CHNAMWIDTH, 6, 4)
 {
   now = Now;
   helpKeys = -1;
@@ -1607,7 +1608,7 @@ void cMenuSchedule::PrepareScheduleThisThis(const cEvent *Event, const cChannel
 void cMenuSchedule::PrepareScheduleThisAll(const cEvent *Event, const cChannel *Channel)
 {
   Clear();
-  SetCols(CHNUMWIDTH, 7, 7, 6, 4);
+  SetCols(CHNUMWIDTH, CHNAMWIDTH, 7, 6, 4);
   SetTitle(tr("This event - all channels"));
   if (schedules && Event) {
      for (cChannel *ch = Channels.First(); ch; ch = Channels.Next(ch)) {
@@ -1626,7 +1627,7 @@ void cMenuSchedule::PrepareScheduleThisAll(const cEvent *Event, const cChannel *
 void cMenuSchedule::PrepareScheduleAllAll(const cEvent *Event, const cChannel *Channel)
 {
   Clear();
-  SetCols(CHNUMWIDTH, 7, 7, 6, 4);
+  SetCols(CHNUMWIDTH, CHNAMWIDTH, 7, 6, 4);
   SetTitle(tr("All events - all channels"));
   if (schedules) {
      for (cChannel *ch = Channels.First(); ch; ch = Channels.Next(ch)) {