From e184bd861c0b3023c5fd5596083e12aaedb2d5e2 Mon Sep 17 00:00:00 2001
From: Sean D'Epagnier <geckosenator@freedesktop.org>
Date: Sun, 24 Sep 2006 10:57:26 +0000
Subject: corrected cursor drawing added handling of SIGWINCH fixed input of
 recieving SIGIO while handling SIGIO corrected input code for return
 uncommented normal calculation to models

---
 src/glut/fbdev/input.c | 125 ++++++++++++++++++++++++++-----------------------
 1 file changed, 66 insertions(+), 59 deletions(-)

(limited to 'src/glut/fbdev/input.c')

diff --git a/src/glut/fbdev/input.c b/src/glut/fbdev/input.c
index b1362245f2..2528a74a10 100644
--- a/src/glut/fbdev/input.c
+++ b/src/glut/fbdev/input.c
@@ -90,66 +90,67 @@ static int kbdpipe[2];
    vts and kill it without Alt-SysRq hack */
 static void KeyboardHandler(int sig)
 {
-   int release, labelval;
    unsigned char code;
-   struct kbentry entry;
-   static int lalt; /* only left alt does vt switch */
 
-   if(read(ConsoleFD, &code, 1) != 1)
-      return;
-
-   release = code & 0x80;
-	    
-   entry.kb_index = code & 0x7F;
-   entry.kb_table = 0;
-	
-   if (ioctl(ConsoleFD, KDGKBENT, &entry) < 0) {
-      sprintf(exiterror, "ioctl(KDGKBENT) failed.\n");
-      exit(0);
-   }
-
-   labelval = entry.kb_value;
-
-   switch(labelval) {
-   case K_SHIFT:
-   case K_SHIFTL:
-      MODIFIER(GLUT_ACTIVE_SHIFT);
-      return;
-   case K_CTRL:
-      MODIFIER(GLUT_ACTIVE_CTRL);
-      return;
-   case K_ALT:
-      lalt = !release;
-   case K_ALTGR:
-      MODIFIER(GLUT_ACTIVE_ALT);
-      return;
-   }
+   while(read(ConsoleFD, &code, 1) == 1) {
 
-   if(lalt && !release) {
-      /* VT switch, we must do it */
-      int vt = -1;
-      struct vt_stat st;
-      if(labelval >= K_F1 && labelval <= K_F12)
-	 vt = labelval - K_F1 + 1;
+      int release, labelval;
+      struct kbentry entry;
+      static int lalt; /* only left alt does vt switch */
 
-      if(labelval == K_LEFT)
-	 if(ioctl(ConsoleFD, VT_GETSTATE, &st) >= 0)
-	    vt = st.v_active - 1;
+      release = code & 0x80;
+      
+      entry.kb_index = code & 0x7F;
+      entry.kb_table = 0;
+      
+      if (ioctl(ConsoleFD, KDGKBENT, &entry) < 0) {
+	 sprintf(exiterror, "ioctl(KDGKBENT) failed.\n");
+	 exit(0);
+      }
 
-      if(labelval == K_RIGHT)
-	 if(ioctl(ConsoleFD, VT_GETSTATE, &st) >= 0)
-	    vt = st.v_active + 1;
+      labelval = entry.kb_value;
+      
+      switch(labelval) {
+      case K_SHIFT:
+      case K_SHIFTL:
+	 MODIFIER(GLUT_ACTIVE_SHIFT);
+	 continue;
+      case K_CTRL:
+	 MODIFIER(GLUT_ACTIVE_CTRL);
+	 continue;
+      case K_ALT:
+	 lalt = !release;
+      case K_ALTGR:
+	 MODIFIER(GLUT_ACTIVE_ALT);
+	 continue;
+      }
 
-      if(vt != -1) {
-	 if(Swapping)
-	    VTSwitch = vt;
-	 else
-	    if(ioctl(ConsoleFD, VT_ACTIVATE, vt) < 0)
-	       sprintf(exiterror, "Error switching console\n");
-	 return;
+      if(lalt && !release) {
+	 /* VT switch, we must do it */
+	 int vt = -1;
+	 struct vt_stat st;
+	 if(labelval >= K_F1 && labelval <= K_F12)
+	    vt = labelval - K_F1 + 1;
+	 
+	 if(labelval == K_LEFT)
+	    if(ioctl(ConsoleFD, VT_GETSTATE, &st) >= 0)
+	       vt = st.v_active - 1;
+      
+	 if(labelval == K_RIGHT)
+	    if(ioctl(ConsoleFD, VT_GETSTATE, &st) >= 0)
+	       vt = st.v_active + 1;
+	 
+	 if(vt != -1) {
+	    if(Swapping)
+	       VTSwitch = vt;
+	    else
+	       if(ioctl(ConsoleFD, VT_ACTIVATE, vt) < 0)
+		  sprintf(exiterror, "Error switching console\n");
+	    continue;
+	 }
       }
+      write(kbdpipe[1], &code, 1);
    }
-   write(kbdpipe[1], &code, 1);
 }
 
 static void LedModifier(int led, int release)
@@ -239,7 +240,7 @@ static int ReadKey(void)
 	    goto altset;
 	 }
       }
-   stdkey:
+
       if(specialkey) {
 	 if(SpecialFunc)
 	    SpecialFunc(specialkey, MouseX, MouseY);
@@ -253,6 +254,7 @@ static int ReadKey(void)
 	    || (code == 95)  || (code >= 123 && code <= 126))
 	    KeyboardModifiers |= GLUT_ACTIVE_SHIFT;
 
+      stdkey:
 	 if(KeyboardFunc)
 	    KeyboardFunc(code, MouseX, MouseY);
       }
@@ -341,7 +343,7 @@ static int ReadKey(void)
 	 break;
       case K_ENTER:
       case K_ENTER - 1: /* keypad enter */
-	 labelval = '\n'; break;
+	 labelval = '\r'; break;
       }
 
    /* dispatch callback */
@@ -600,6 +602,10 @@ void InitializeVT(int usestdin)
       close(fd);
    }
     
+   /* if we close with the modifier set in glutIconifyWindow, we won't
+      get the signal when they are released, so set to zero here */
+   KeyboardModifiers = 0;
+
    /* open the console tty */
    sprintf(console, "/dev/tty%d", CurrentVT);
    ConsoleFD = open(console, O_RDWR | O_NDELAY, 0);
@@ -660,13 +666,13 @@ void InitializeVT(int usestdin)
       if(ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0)
 	 sprintf(exiterror,"Warning: Failed to set terminal to graphics\n");
 
-   if (ioctl(ConsoleFD, KDSKBMODE, K_MEDIUMRAW) < 0) {
+   if(ioctl(ConsoleFD, KDSKBMODE, K_MEDIUMRAW) < 0) {
       sprintf(exiterror, "ioctl KDSKBMODE failed!\n");
       tcsetattr(0, TCSANOW, &OldTermios);
       exit(0);
    }
 
-   if( ioctl(ConsoleFD, KDGKBLED, &KeyboardLedState) < 0)  {
+   if(ioctl(ConsoleFD, KDGKBLED, &KeyboardLedState) < 0) {
       sprintf(exiterror, "ioctl KDGKBLED failed!\n");
       exit(0);
    }
@@ -686,10 +692,8 @@ void RestoreVT(void)
    GpmMouse ||
 #endif
    ConsoleFD == 0)
-      if(ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0) {
-	 sprintf(exiterror,"Warning: Failed to set terminal to graphics\n");
+      if(ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0)
 	 goto skipioctl; /* no need to fail twice */
-      }
    
    if(ioctl(ConsoleFD, KDSETMODE, OldMode) < 0)
       fprintf(stderr, "ioctl KDSETMODE failed!\n");
@@ -707,6 +711,9 @@ void RestoreVT(void)
       fprintf(stderr, "ioctl KDSKBMODE failed!\n");
   
    close(ConsoleFD);
+
+   close(kbdpipe[0]);
+   close(kbdpipe[1]);
 }
 
 void InitializeMouse(void)
-- 
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