From 159b3865b49b6b0cb5a8623ec7b3ca57019407fe Mon Sep 17 00:00:00 2001
From: Tobias Grimm <tobias@e-tobi.loc>
Date: Wed, 31 Dec 2008 23:14:08 +0100
Subject: Background toggling now allows to switch between black, the
 configured background transparency and full transparency as suggested by 
 Walter K. (Closes #41)

---
 HISTORY |  3 +++
 menu.c  | 15 +++++++++++----
 menu.h  |  2 ++
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/HISTORY b/HISTORY
index 667ffe5..537417b 100644
--- a/HISTORY
+++ b/HISTORY
@@ -10,6 +10,9 @@ VDR Plugin 'osdteletext' Revision History
 - Remove remnants of VDR < 1.6 support
 - Updated Russian translation provided by Oleg Roitburd (Closes #46)
 - Improved error handling
+- Background toggling now allows to switch between black, the configured
+  background transparency and full transparency as suggested by
+  Walter K. (Closes #41)
 
 2008-12-19: version 0.7.0
 - switched completely to VDR 1.6's I18N system and removed the old crap - no
diff --git a/menu.c b/menu.c
index 69e77f0..3e55964 100644
--- a/menu.c
+++ b/menu.c
@@ -310,10 +310,7 @@ void TeletextBrowser::ExecuteAction(eTeletextAction e) {
                //suspendedReceiving=(!suspendedReceiving);
                break;*/
             case DarkScreen:
-               if (Display::GetBackgroundColor() == clrBlack)
-                  Display::SetBackgroundColor((tColor)ttSetup.configuredClrBackground);
-               else
-                  Display::SetBackgroundColor(clrBlack);
+               ChangeBackground();
                break;
             default:
                //In osdteletext.c, numbers are thought to be decimal, the setup page
@@ -339,6 +336,16 @@ void TeletextBrowser::ExecuteAction(eTeletextAction e) {
          }
 }
 
+void TeletextBrowser::ChangeBackground()
+{
+   if (Display::GetBackgroundColor() == clrBlack)
+      Display::SetBackgroundColor((tColor)ttSetup.configuredClrBackground);
+   else if (Display::GetBackgroundColor() == (tColor)ttSetup.configuredClrBackground)
+      Display::SetBackgroundColor(clrTransparent);
+   else
+      Display::SetBackgroundColor(clrBlack);
+}
+
 eTeletextAction TeletextBrowser::TranslateKey(eKeys Key) {
    switch(Key) {
       case kRed:     return (eTeletextAction)ttSetup.mapKeyToAction[ActionKeyRed];
diff --git a/menu.h b/menu.h
index 0aaf3d1..a24fab5 100644
--- a/menu.h
+++ b/menu.h
@@ -75,6 +75,8 @@ protected:
    static tChannelID channel;
    static int currentChannelNumber;
    static TeletextBrowser* self;
+private:
+   void ChangeBackground();
 };
 
 
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