From 923805006857f7ae5626acd27ee549e4b2c636d0 Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Mon, 19 Aug 2002 02:07:39 +0000
Subject: [PATCH] Add support for flipping the instrument panel vertically on
 screen (if we want to do a full screen panel on a device that is mounted
 upside down.)

---
 src/Cockpit/kr_87.cxx | 2 +-
 src/Cockpit/panel.cxx | 8 ++++++--
 src/Cockpit/panel.hxx | 1 +
 src/Cockpit/steam.cxx | 2 +-
 4 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/Cockpit/kr_87.cxx b/src/Cockpit/kr_87.cxx
index 0cc2b4adf..a675f1adc 100644
--- a/src/Cockpit/kr_87.cxx
+++ b/src/Cockpit/kr_87.cxx
@@ -254,7 +254,7 @@ void FGKR_87::update( double dt ) {
     // Radio
     ////////////////////////////////////////////////////////////////////////
 
-    if ( on_off_vol_btn >= 0.01 ) {
+    if ( on_off_vol_btn >= 0.05 ) {
         // buttons
         if ( adf_btn == 0 ) {
             ant_mode = 1;
diff --git a/src/Cockpit/panel.cxx b/src/Cockpit/panel.cxx
index bf5a1c13f..0199dd178 100644
--- a/src/Cockpit/panel.cxx
+++ b/src/Cockpit/panel.cxx
@@ -272,6 +272,7 @@ FGPanel::update (double dt)
     _x_offset = fgGetInt("/sim/panel/x-offset");
     _y_offset = fgGetInt("/sim/panel/y-offset");
     _jitter = fgGetFloat("/sim/panel/jitter");
+    _flipx = fgGetBool("/sim/panel/flip-x");
 
 				// Do nothing if the panel isn't visible.
     if ( !fgPanelVisible() ) {
@@ -330,8 +331,11 @@ FGPanel::update (GLfloat winx, GLfloat winw, GLfloat winy, GLfloat winh)
   glMatrixMode(GL_PROJECTION);
   glPushMatrix();
   glLoadIdentity();
-  gluOrtho2D(winx, winx + winw, winy, winy + winh); /* right side up */
-  // gluOrtho2D(winx + winw, winx, winy + winh, winy); /* up side down */
+  if ( _flipx ) {
+    gluOrtho2D(winx + winw, winx, winy + winh, winy); /* up side down */
+  } else {
+    gluOrtho2D(winx, winx + winw, winy, winy + winh); /* right side up */
+  }
   
   glMatrixMode(GL_MODELVIEW);
   glPushMatrix();
diff --git a/src/Cockpit/panel.hxx b/src/Cockpit/panel.hxx
index b038b828d..d0d1b9805 100644
--- a/src/Cockpit/panel.hxx
+++ b/src/Cockpit/panel.hxx
@@ -197,6 +197,7 @@ private:
   int _y_offset;
   int _view_height;
   float _jitter;
+  bool _flipx;
 
   const SGPropertyNode * _xsize_node;
   const SGPropertyNode * _ysize_node;
diff --git a/src/Cockpit/steam.cxx b/src/Cockpit/steam.cxx
index c947325ee..4bc4fe6e7 100644
--- a/src/Cockpit/steam.cxx
+++ b/src/Cockpit/steam.cxx
@@ -318,7 +318,7 @@ void FGSteam::_CatchUp()
 	More subtle flaw is having it not move or a travel limit
 	occasionally due to some dirt in the tube or on the ball.
 	*/
-	d = - current_aircraft.fdm_state->get_A_Z_pilot();
+	d = -current_aircraft.fdm_state->get_A_Z_pilot();
 	if ( d < 1 ) d = 1;
 	set_lowpass ( & the_TC_rad,
 	        current_aircraft.fdm_state->get_A_Y_pilot () / d,
-- 
2.39.5