From b5ed30d0f422f572b7e36968a9182b8f2ecdb134 Mon Sep 17 00:00:00 2001
From: andreas 'randy' weinberger <vdr@smue.org>
Date: Sat, 1 Jan 2011 14:51:33 +0100
Subject: added SVDRP patch from TomJoad see
 http://projects.vdr-developer.org/issues/488

---
 README    | 17 +++++++++++++++++
 display.c |  8 ++++++++
 display.h |  1 +
 plugin.c  | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 4 files changed, 71 insertions(+), 1 deletion(-)

diff --git a/README b/README
index f2024c3..9cdf815 100644
--- a/README
+++ b/README
@@ -187,6 +187,23 @@ Scroll time interval:
   (Possible values: 100 <= x <= 2000)
 
 
+SVDRP Commands:
+---------------
+svdrpsend.pl "PLUG graphlcd <CMD>", where CMD is:
+
+ON
+  Switch Plugin on
+
+OFF
+  Switch Plugin off
+
+UPD
+  Update LCD Content, Plugin must be active.
+
+CLS
+  Clear LCD Content (aka blank screen), Plugin must not be active.
+
+
 Changing Fonts:
 ---------------
 It's very easy to change the fonts that are used by graphlcd.
diff --git a/display.c b/display.c
index 37361f0..0b437d5 100644
--- a/display.c
+++ b/display.c
@@ -732,6 +732,13 @@ void cGraphLCDDisplay::Update()
     update = true;
 }
 
+void cGraphLCDDisplay::Clear()
+{
+  bitmap->Clear();
+  mLcd->SetScreen(bitmap->Data(), bitmap->Width(), bitmap->Height(), bitmap->LineSize());
+  mLcd->Refresh(false);
+}
+
 void cGraphLCDDisplay::DisplayTime()
 {
     static char buffer[32];
@@ -2022,3 +2029,4 @@ const char * cGraphLCDDisplay::Convert(const char *s)
   return s_converted;
 }
 
+
diff --git a/display.h b/display.h
index a9a1354..9074f2a 100644
--- a/display.h
+++ b/display.h
@@ -65,6 +65,7 @@ public:
     void SetVolume(int Volume, bool Absolute);
 
     void Update();
+    void Clear();
 
 protected:
     virtual void Action();
diff --git a/plugin.c b/plugin.c
index 582b577..2a06a1d 100644
--- a/plugin.c
+++ b/plugin.c
@@ -22,7 +22,7 @@
 #include <vdr/plugin.h>
 
 
-static const char *VERSION        = "0.1.9-pre (git 2010/11)";
+static const char *VERSION        = "0.1.9-pre (git 20110101)";
 static const char *DESCRIPTION    = "Output to graphic LCD";
 static const char *MAINMENUENTRY  = NULL;
 
@@ -52,6 +52,8 @@ public:
     virtual cOsdObject * MainMenuAction();
     virtual cMenuSetupPage * SetupMenu();
     virtual bool SetupParse(const char * Name, const char * Value);
+    virtual const char **SVDRPHelpPages(void);
+    virtual cString SVDRPCommand(const char *Command, const char *Option, int &ReplyCode);
 };
 
 cPluginGraphLCD::cPluginGraphLCD()
@@ -240,4 +242,46 @@ bool cPluginGraphLCD::SetupParse(const char * Name, const char * Value)
     return true;
 }
 
+const char **cPluginGraphLCD::SVDRPHelpPages(void)
+{
+    static const char *HelpPages[] = {
+        "CLS	Clear Display.",
+        "UPD	Update Display.",
+        "OFF    Switch Plugin off.",
+        "ON     Switch Plugin on.",
+        NULL
+    };
+    return HelpPages;
+}
+
+cString cPluginGraphLCD::SVDRPCommand(const char *Command, const char *Option, int &ReplyCode)
+{
+    if (strcasecmp(Command, "CLS") == 0) {
+        if (GraphLCDSetup.PluginActive == 1) {
+            return "Error: Plugin is active.";
+        } else {
+            mDisplay->Clear();
+            return "GraphLCD cleared.";
+        };
+    }
+    if (strcasecmp(Command, "UPD") == 0) {
+        if (GraphLCDSetup.PluginActive == 0) {
+            return "Error: Plugin is not active.";
+        } else {
+            mDisplay->Update();
+            return "GraphLCD updated.";
+        };
+    }
+
+    if (strcasecmp(Command, "OFF") == 0) {
+        GraphLCDSetup.PluginActive = 0;
+        return "GraphLCD Plugin switched off.";
+    }
+    if (strcasecmp(Command, "ON") == 0) {
+        GraphLCDSetup.PluginActive = 1;
+        return "GraphLCD Plugin switched on.";
+    }
+    return NULL;
+}
+
 VDRPLUGINCREATOR(cPluginGraphLCD); // Don't touch this!
-- 
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