From aa5e2205bbc3a7abc05fc50854ba086777541f13 Mon Sep 17 00:00:00 2001
From: mrwastl <mrwastl@users.sourceforge.net>
Date: Tue, 3 May 2011 22:58:16 +0200
Subject: added extended SVDRP patch (issue 488)

---
 display.c | 11 +++++++++++
 display.h |  1 +
 plugin.c  | 44 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+)

diff --git a/display.c b/display.c
index 3c4dc2f..8802a7f 100644
--- a/display.c
+++ b/display.c
@@ -482,3 +482,14 @@ void cGraphLCDDisplay::ForceUpdateBrightness() {
     bBrightnessActive = true;
     SetBrightness();
 }
+
+
+void cGraphLCDDisplay::Clear() {
+  mScreen->Clear();
+#ifdef GRAPHLCD_CBITMAP_ARGB
+  mLcd->SetScreen(mScreen->Data(), mScreen->Width(), mScreen->Height());
+#else
+  mLcd->SetScreen(mScreen->Data(), mScreen->Width(), mScreen->Height(), mScreen->LineSize());
+#endif
+  mLcd->Refresh(false);
+}
diff --git a/display.h b/display.h
index 6f5c8e6..9d39c2b 100644
--- a/display.h
+++ b/display.h
@@ -57,6 +57,7 @@ public:
     bool Initialise(GLCD::cDriver * Lcd, const std::string & CfgPath, const std::string & SkinsPath, const std::string & SkinName);
     void Tick();
     void Update();
+    void Clear();
     void Replaying(bool Starting);
     void SetMenuClear();
     void SetMenuTitle();
diff --git a/plugin.c b/plugin.c
index bdeea86..b81fbdd 100644
--- a/plugin.c
+++ b/plugin.c
@@ -53,6 +53,8 @@ public:
     virtual bool Initialize();
     virtual bool Start();
     virtual void Housekeeping();
+    virtual const char **SVDRPHelpPages(void);
+    virtual cString SVDRPCommand(const char *Command, const char *Option, int &ReplyCode);
     virtual void MainThreadHook(void);
     virtual const char * MainMenuEntry() { return MAINMENUENTRY; }
     virtual cOsdObject * MainMenuAction();
@@ -223,6 +225,48 @@ void cPluginGraphLCD::MainThreadHook()
         mDisplay->Tick();
 }
 
+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;
+}
+
 cOsdObject * cPluginGraphLCD::MainMenuAction()
 {
     return NULL;
-- 
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