The main menu now dynamically updates its contents

HISTORY

@@ -3963,7 +3963,7 @@ Video Disk Recorder Revision History
   commands may now be executed at any time, and the message will be displayed
   (no more "pending message").
 
-2005-12-18: Version 1.3.38
+2005-12-24: Version 1.3.38
 
 - Fixed handling second audio and Dolby Digital PIDs for encrypted channels
   (was broken in version 1.3.37).
@@ -3989,3 +3989,5 @@ Video Disk Recorder Revision History
 - Fixed handling OSD areas that have invalid sizes (thanks to Marco Schlüßler).
 - Added a mutex to AssertFreeDiskSpace() to make sure calls from foreground
   and background threads won't interfere.
+- The main menu now dynamically updates its contents in case an instant
+  recording or replay stops, etc.

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 1.376 2005/11/05 17:29:22 kls Exp $
+ * $Id: menu.c 1.377 2005/12/24 15:50:01 kls Exp $
  */
 
 #include "menu.h"
@@ -31,6 +31,7 @@
 
 #define MAXWAIT4EPGINFO   3 // seconds
 #define MODETIMEOUT       3 // seconds
+#define DISKSPACECHEK     5 // seconds between disk space checks in the main menu
 
 #define MAXRECORDCONTROLS (MAXDEVICES * MAXRECEIVERS)
 #define MAXINSTANTRECTIME (24 * 60 - 1) // 23:59 hours
@@ -2473,10 +2474,16 @@ cMenuPluginItem::cMenuPluginItem(const char *Name, int Index)
 
 cOsdObject *cMenuMain::pluginOsdObject = NULL;
 
-cMenuMain::cMenuMain(bool Replaying, eOSState State)
+cMenuMain::cMenuMain(eOSState State)
 :cOsdMenu("")
 {
-  replaying = Replaying;
+  lastDiskSpaceCheck = 0;
+  lastFreeMB = 0;
+  replaying = false;
+  stopReplayItem = NULL;
+  cancelEditingItem = NULL;
+  stopRecordingItem = NULL;
+  recordControlsState = 0;
   Set();
 
   // Initial submenus:
@@ -2502,23 +2509,9 @@ cOsdObject *cMenuMain::PluginOsdObject(void)
 void cMenuMain::Set(void)
 {
   Clear();
-  //XXX //SetTitle("VDR"); // this is done below, including disk usage
+  SetTitle("VDR");
   SetHasHotkeys();
 
-  // Title with disk usage:
-
-#define MB_PER_MINUTE 25.75 // this is just an estimate!
-
-  char buffer[40];
-  int FreeMB;
-  int Percent = VideoDiskSpace(&FreeMB);
-  int Minutes = int(double(FreeMB) / MB_PER_MINUTE);
-  int Hours = Minutes / 60;
-  Minutes %= 60;
-  snprintf(buffer, sizeof(buffer), "%s  -  %s %d%%  -  %2d:%02d %s", tr("VDR"), tr("Disk"), Percent, Hours, Minutes, tr("free"));
-  //XXX -> skin function!!!
-  SetTitle(buffer);
-
   // Basic menu items:
 
   Add(new cOsdItem(hk(tr("Schedule")),   osSchedule));
@@ -2545,11 +2538,6 @@ void cMenuMain::Set(void)
   if (Commands.Count())
      Add(new cOsdItem(hk(tr("Commands")),  osCommands));
 
-  // Replay control:
-
-  if (replaying)
-     Add(new cOsdItem(tr(" Stop replaying"), osStopReplay));
-
   // Record control:
 
   if (cRecordControls::StopPrimary()) {
@@ -2559,23 +2547,82 @@ void cMenuMain::Set(void)
      free(buffer);
      }
 
-  const char *s = NULL;
+  Update(true);
-  while ((s = cRecordControls::GetInstantId(s)) != NULL) {
+
-        char *buffer = NULL;
+  Display();
-        asprintf(&buffer, "%s%s", STOP_RECORDING, s);
+}
-        Add(new cOsdItem(buffer, osStopRecord));
+
-        free(buffer);
+#define MB_PER_MINUTE 25.75 // this is just an estimate!
+
+bool cMenuMain::Update(bool Force)
+{
+  bool result = false;
+
+  // Title with disk usage:
+  if (Force || time(NULL) - lastDiskSpaceCheck > DISKSPACECHEK) {
+     int FreeMB;
+     int Percent = VideoDiskSpace(&FreeMB);
+     if (Force || FreeMB != lastFreeMB) {
+        int Minutes = int(double(FreeMB) / MB_PER_MINUTE);
+        int Hours = Minutes / 60;
+        Minutes %= 60;
+        char buffer[40];
+        snprintf(buffer, sizeof(buffer), "%s  -  %s %d%%  -  %2d:%02d %s", tr("VDR"), tr("Disk"), Percent, Hours, Minutes, tr("free"));
+        //XXX -> skin function!!!
+        SetTitle(buffer);
+        result = true;
         }
+     lastDiskSpaceCheck = time(NULL);
+     }
+
+  bool NewReplaying = cControl::Control() != NULL;
+  if (Force || NewReplaying != replaying) {
+     replaying = NewReplaying;
+     // Replay control:
+     if (replaying && !stopReplayItem)
+        Add(stopReplayItem = new cOsdItem(tr(" Stop replaying"), osStopReplay));
+     else if (stopReplayItem && !replaying) {
+        Del(stopReplayItem->Index());
+        stopReplayItem = NULL;
+        }
+     // Color buttons:
+     SetHelp(!replaying ? tr("Record") : NULL, tr("Audio"), replaying ? NULL : tr("Pause"), replaying ? tr("Button$Stop") : cReplayControl::LastReplayed() ? tr("Resume") : NULL);
+     result = true;
+     }
 
   // Editing control:
+  bool CutterActive = cCutter::Active();
+  if (CutterActive && !cancelEditingItem) {
+     Add(cancelEditingItem = new cOsdItem(tr(" Cancel editing"), osCancelEdit));
+     result = true;
+     }
+  else if (cancelEditingItem && !CutterActive) {
+     Del(cancelEditingItem->Index());
+     cancelEditingItem = NULL;
+     result = true;
+     }
 
-  if (cCutter::Active())
+  // Record control:
-     Add(new cOsdItem(tr(" Cancel editing"), osCancelEdit));
+  if (cRecordControls::StateChanged(recordControlsState)) {
+     while (stopRecordingItem) {
+           cOsdItem *it = Next(stopRecordingItem);
+           Del(stopRecordingItem->Index());
+           stopRecordingItem = it;
+           }
+     const char *s = NULL;
+     while ((s = cRecordControls::GetInstantId(s)) != NULL) {
+           char *buffer = NULL;
+           asprintf(&buffer, "%s%s", STOP_RECORDING, s);
+           cOsdItem *item = new cOsdItem(osStopRecord);
+           item->SetText(buffer, false);
+           Add(item);
+           if (!stopRecordingItem)
+              stopRecordingItem = item;
+           }
+     result = true;
+     }
 
-  // Color buttons:
+  return result;
-
-  SetHelp(!replaying ? tr("Record") : NULL, tr("Audio"), replaying ? NULL : tr("Pause"), replaying ? tr("Button$Stop") : cReplayControl::LastReplayed() ? tr("Resume") : NULL);
-  Display();
 }
 
 eOSState cMenuMain::ProcessKey(eKeys Key)
@@ -2647,6 +2694,8 @@ eOSState cMenuMain::ProcessKey(eKeys Key)
                default:      break;
                }
     }
+  if (!HasSubMenu() && Update())
+     Display();
   if (Key != kNone) {
      if (Setup.OSDLanguage != osdLanguage) {
         Set();
@@ -3222,9 +3271,11 @@ bool cRecordControl::Process(time_t t)
 // --- cRecordControls -------------------------------------------------------
 
 cRecordControl *cRecordControls::RecordControls[MAXRECORDCONTROLS] = { NULL };
+int cRecordControls::state = 0;
 
 bool cRecordControls::Start(cTimer *Timer, bool Pause)
 {
+  ChangeState();
   int ch = Timer ? Timer->Channel()->Number() : cDevice::CurrentChannel();
   cChannel *channel = Channels.GetByNumber(ch);
 
@@ -3262,6 +3313,7 @@ bool cRecordControls::Start(cTimer *Timer, bool Pause)
 
 void cRecordControls::Stop(const char *InstantId)
 {
+  ChangeState();
   for (int i = 0; i < MAXRECORDCONTROLS; i++) {
       if (RecordControls[i]) {
          const char *id = RecordControls[i]->InstantId();
@@ -3281,6 +3333,7 @@ void cRecordControls::Stop(const char *InstantId)
 
 void cRecordControls::Stop(cDevice *Device)
 {
+  ChangeState();
   for (int i = 0; i < MAXRECORDCONTROLS; i++) {
       if (RecordControls[i]) {
          if (RecordControls[i]->Device() == Device) {
@@ -3349,8 +3402,10 @@ void cRecordControls::Process(time_t t)
 {
   for (int i = 0; i < MAXRECORDCONTROLS; i++) {
       if (RecordControls[i]) {
-         if (!RecordControls[i]->Process(t))
+         if (!RecordControls[i]->Process(t)) {
             DELETENULL(RecordControls[i]);
+            ChangeState();
+            }
          }
       }
 }
@@ -3365,6 +3420,7 @@ void cRecordControls::ChannelDataModified(cChannel *Channel)
                RecordControls[i]->Stop();
                // This will restart the recording, maybe even from a different
                // device in case conditional access has changed.
+               ChangeState();
                }
             }
          }
@@ -3384,6 +3440,15 @@ void cRecordControls::Shutdown(void)
 {
   for (int i = 0; i < MAXRECORDCONTROLS; i++)
       DELETENULL(RecordControls[i]);
+  ChangeState();
+}
+
+bool cRecordControls::StateChanged(int &State)
+{
+  int NewState = state;
+  bool Result = State != NewState;
+  State = state;
+  return Result;
 }
 
 // --- cReplayControl --------------------------------------------------------

menu.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.h 1.77 2005/11/05 17:26:09 kls Exp $
+ * $Id: menu.h 1.78 2005/12/24 15:44:56 kls Exp $
  */
 
 #ifndef __MENU_H
@@ -55,11 +55,18 @@ public:
 
 class cMenuMain : public cOsdMenu {
 private:
+  time_t lastDiskSpaceCheck;
+  int lastFreeMB;
   bool replaying;
+  cOsdItem *stopReplayItem;
+  cOsdItem *cancelEditingItem;
+  cOsdItem *stopRecordingItem;
+  int recordControlsState;
   static cOsdObject *pluginOsdObject;
   void Set(void);
+  bool Update(bool Force = false);
 public:
-  cMenuMain(bool Replaying, eOSState State = osUnknown);
+  cMenuMain(eOSState State = osUnknown);
   virtual eOSState ProcessKey(eKeys Key);
   static cOsdObject *PluginOsdObject(void);
   };
@@ -189,6 +196,7 @@ public:
 class cRecordControls {
 private:
   static cRecordControl *RecordControls[];
+  static int state;
 public:
   static bool Start(cTimer *Timer = NULL, bool Pause = false);
   static void Stop(const char *InstantId);
@@ -201,6 +209,8 @@ public:
   static void ChannelDataModified(cChannel *Channel);
   static bool Active(void);
   static void Shutdown(void);
+  static void ChangeState(void) { state++; }
+  static bool StateChanged(int &State);
   };
 
 class cReplayControl : public cDvbPlayerControl {

vdr.c

@@ -22,7 +22,7 @@
  *
  * The project's page is at http://www.cadsoft.de/vdr
  *
- * $Id: vdr.c 1.221 2005/12/18 10:33:37 kls Exp $
+ * $Id: vdr.c 1.222 2005/12/18 14:38:30 kls Exp $
  */
 
 #include <getopt.h>
@@ -702,14 +702,14 @@ int main(int argc, char *argv[])
                   }
                if (cControl::Control())
                   cControl::Control()->Hide();
-               Menu = new cMenuMain(cControl::Control());
+               Menu = new cMenuMain;
                Temp = NULL;
                break;
           #define DirectMainFunction(function)\
             DELETENULL(Menu);\
             if (cControl::Control())\
                cControl::Control()->Hide();\
-            Menu = new cMenuMain(cControl::Control(), function);\
+            Menu = new cMenuMain(function);\
             Temp = NULL;\
             key = kNone; // nobody else needs to see this key
           case kSchedule:   DirectMainFunction(osSchedule); break;
@@ -848,7 +848,7 @@ int main(int argc, char *argv[])
                             DELETENULL(Menu);
                             cControl::Shutdown();
                             Temp = NULL;
-                            Menu = new cMenuMain(false, osRecordings);
+                            Menu = new cMenuMain(osRecordings);
                             break;
              case osReplay: DELETENULL(Menu);
                             cControl::Shutdown();