From a38aef93ab2a5006c3b8cfa50aaf48fafc0eb8d4 Mon Sep 17 00:00:00 2001
From: Sean D'Epagnier <geckosenator@freedesktop.org>
Date: Sun, 27 Aug 2006 01:16:09 +0000
Subject: The colormap code is now simpler, 15bpp works where it did not
 before.

The input is fixed so that delete reports '\b' and backspace 127

The vt switching works both right and left.
---
 src/glut/fbdev/colormap.c | 63 ++++++++++++++++++-----------------------------
 src/glut/fbdev/input.c    | 14 ++++++-----
 2 files changed, 32 insertions(+), 45 deletions(-)

(limited to 'src')

diff --git a/src/glut/fbdev/colormap.c b/src/glut/fbdev/colormap.c
index 4c013c76463..89556ef4a5c 100644
--- a/src/glut/fbdev/colormap.c
+++ b/src/glut/fbdev/colormap.c
@@ -97,54 +97,39 @@ void RestoreColorMap(void)
 
 void LoadColorMap(void)
 {
-   /* we're assuming 256 entries here */
-   int i;
-
-   switch(VarInfo.bits_per_pixel) {
-   case 8:
-   case 24:
-   case 32:
-      ColorMap.len = 256;
-      break;
-   case 15:
-      ColorMap.len = 32;
-      break;
-   case 16:
-      ColorMap.len = 64;
-      break;
-   }
-
    ColorMap.start = 0;
    ColorMap.red   = RedColorMap;
    ColorMap.green = GreenColorMap;
    ColorMap.blue  = BlueColorMap;
    ColorMap.transp = NULL;
 
-   if (ioctl(FrameBufferFD, FBIOGETCMAP, (void *) &ColorMap) < 0)
-      sprintf(exiterror, "ioctl(FBIOGETCMAP) failed!\n");
-
-   switch(VarInfo.bits_per_pixel) {
-   case 15:
-      for(i=0; i<32; i++)
-	 RedColorMap[i] = GreenColorMap[i] = BlueColorMap[i] = i*65535/31;
-      break;
-   case 16:
-      for(i=0; i<32; i++) 
-	 RedColorMap[i] = BlueColorMap[i] = i*65535/31;
-      for(i=0; i<64; i++) 
-	 GreenColorMap[i] = i*65535/63;
-      break;
-   case 24:
-   case 32:
-      for(i=0; i<256; i++)
-	 RedColorMap[i] = GreenColorMap[i] = BlueColorMap[i] = i*257;
-      break;
-   }
+   if(DisplayMode & GLUT_INDEX) {
+      ColorMap.len = 256;
 
-   RestoreColorMap();
+      if (ioctl(FrameBufferFD, FBIOGETCMAP, (void *) &ColorMap) < 0)
+	 sprintf(exiterror, "ioctl(FBIOGETCMAP) failed!\n");
 
-   if(DisplayMode & GLUT_INDEX)
       FillReverseColorMap();
+   } else {
+      int rcols = 1 << VarInfo.red.length;
+      int gcols = 1 << VarInfo.green.length;
+      int bcols = 1 << VarInfo.blue.length;
+
+      int i;
+
+      ColorMap.len = gcols;
+
+      for (i = 0; i < rcols ; i++) 
+	 RedColorMap[i] = (65536/(rcols-1)) * i;
+      
+      for (i = 0; i < gcols ; i++) 
+	 GreenColorMap[i] = (65536/(gcols-1)) * i;
+      
+      for (i = 0; i < bcols ; i++) 
+	 BlueColorMap[i] = (65536/(bcols-1)) * i;  
+
+      RestoreColorMap();
+   }
 }
 
 void glutSetColor(int cell, GLfloat red, GLfloat green, GLfloat blue)
diff --git a/src/glut/fbdev/input.c b/src/glut/fbdev/input.c
index 791466911e1..b1362245f2f 100644
--- a/src/glut/fbdev/input.c
+++ b/src/glut/fbdev/input.c
@@ -138,7 +138,7 @@ static void KeyboardHandler(int sig)
 
       if(labelval == K_RIGHT)
 	 if(ioctl(ConsoleFD, VT_GETSTATE, &st) >= 0)
-	    vt = st.v_active - 1;
+	    vt = st.v_active + 1;
 
       if(vt != -1) {
 	 if(Swapping)
@@ -224,7 +224,8 @@ static int ReadKey(void)
 	       specialkey = GLUT_KEY_INSERT;
 	       break; 
 	    case 51:
-	       code = '\b'; goto stdkey;
+	       code = '\b';
+	       goto stdkey;
 	    case 91:
 	       READKEY;
 	       specialkey = GLUT_KEY_F1 + code - 65;
@@ -313,8 +314,8 @@ static int ReadKey(void)
    if(KeyboardLedState & LED_SCR)
       return 0;
 
-   if(labelval >= K_F1 && labelval <= K_F12)
-      specialkey = GLUT_KEY_F1 + labelval - K_F1;
+   if(labelvalnoshift >= K_F1 && labelvalnoshift <= K_F12)
+      specialkey = GLUT_KEY_F1 + labelvalnoshift - K_F1;
    else
       switch(labelvalnoshift) {
       case K_LEFT:
@@ -335,8 +336,9 @@ static int ReadKey(void)
 	 specialkey = GLUT_KEY_END; break;
       case K_INSERT:
 	 specialkey = GLUT_KEY_INSERT; break; 
-      case 127:
-	 labelval = '\b'; break;
+      case K_REMOVE:
+	 labelval = '\b';
+	 break;
       case K_ENTER:
       case K_ENTER - 1: /* keypad enter */
 	 labelval = '\n'; break;
-- 
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