Re: [Bulk] FIXME: These should be dynamically obtained from a terminal.

[Vincent Pelletier <subdino2004@yahoo.fr>]

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Vincent Pelletier wrote:
> In the attached patch,

*cough* *cough*

Vincent Pelletier
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Index: include/grub/term.h
===================================================================
RCS file: /cvsroot/grub/grub2/include/grub/term.h,v
retrieving revision 1.7
diff -u -p -r1.7 term.h
--- include/grub/term.h	19 Feb 2005 20:56:07 -0000	1.7
+++ include/grub/term.h	3 Jul 2005 20:34:40 -0000
@@ -72,8 +72,10 @@ grub_term_color_state;
 /* Menu-related geometrical constants.  */
 
 /* FIXME: These should be dynamically obtained from a terminal.  */
-#define GRUB_TERM_WIDTH		80
-#define GRUB_TERM_HEIGHT	25
+/*#define GRUB_TERM_WIDTH		80
+#define GRUB_TERM_HEIGHT	25*/
+#define GRUB_TERM_WIDTH         ((grub_getwh()&0xFF00)>>8)
+#define GRUB_TERM_HEIGHT        (grub_getwh()&0xFF)
 
 /* The number of lines of "GRUB version..." at the top.  */
 #define GRUB_TERM_INFO_HEIGHT	1
@@ -142,6 +144,9 @@ struct grub_term
   /* Get a character.  */
   int (*getkey) (void);
   
+  /* Get the screen size. The return value is ((Width << 8) | Height).  */
+  grub_uint16_t (*getwh) (void);
+
   /* Get the cursor position. The return value is ((X << 8) | Y).  */
   grub_uint16_t (*getxy) (void);
   
@@ -183,6 +188,7 @@ void EXPORT_FUNC(grub_putchar) (int c);
 void EXPORT_FUNC(grub_putcode) (grub_uint32_t code);
 int EXPORT_FUNC(grub_getkey) (void);
 int EXPORT_FUNC(grub_checkkey) (void);
+grub_uint16_t EXPORT_FUNC(grub_getwh) (void);
 grub_uint16_t EXPORT_FUNC(grub_getxy) (void);
 void EXPORT_FUNC(grub_gotoxy) (grub_uint8_t x, grub_uint8_t y);
 void EXPORT_FUNC(grub_cls) (void);
Index: include/grub/i386/pc/vga.h
===================================================================
RCS file: /cvsroot/grub/grub2/include/grub/i386/pc/vga.h,v
retrieving revision 1.3
diff -u -p -r1.3 vga.h
--- include/grub/i386/pc/vga.h	4 Apr 2004 13:46:01 -0000	1.3
+++ include/grub/i386/pc/vga.h	3 Jul 2005 20:34:40 -0000
@@ -25,6 +25,9 @@
 /* Set the video mode to MODE and return the previous mode.  */
 unsigned char EXPORT_FUNC(grub_vga_set_mode) (unsigned char mode);
 
+/* Return the current video mode.  */
+unsigned char EXPORT_FUNC(grub_vga_get_mode) (void);
+
 /* Return a pointer to the ROM font table.  */
 unsigned char *EXPORT_FUNC(grub_vga_get_font) (void);
 
Index: kern/term.c
===================================================================
RCS file: /cvsroot/grub/grub2/kern/term.c,v
retrieving revision 1.7
diff -u -p -r1.7 term.c
--- kern/term.c	4 Apr 2004 13:46:02 -0000	1.7
+++ kern/term.c	3 Jul 2005 20:34:44 -0000
@@ -213,6 +213,12 @@ grub_checkkey (void)
 }
 
 grub_uint16_t
+grub_getwh (void)
+{
+  return (grub_cur_term->getwh) ();
+}
+
+grub_uint16_t
 grub_getxy (void)
 {
   return (grub_cur_term->getxy) ();
Index: kern/i386/pc/startup.S
===================================================================
RCS file: /cvsroot/grub/grub2/kern/i386/pc/startup.S,v
retrieving revision 1.13
diff -u -p -r1.13 startup.S
--- kern/i386/pc/startup.S	4 Apr 2004 13:46:02 -0000	1.13
+++ kern/i386/pc/startup.S	3 Jul 2005 20:34:44 -0000
@@ -1570,6 +1570,28 @@ FUNCTION(grub_vga_set_mode)
 
 
 /*
+ * unsigned char grub_vga_get_mode (void)
+ */
+FUNCTION(grub_vga_get_mode)
+	pushl	%ebp
+	pushl	%ebx
+
+	call	prot_to_real
+	.code16
+	/* get current mode */
+	xorw	%bx, %bx
+	movb	$0x0f, %ah
+	int	$0x10
+
+	DATA32	call	real_to_prot
+	.code32
+
+	popl	%ebx
+	popl	%ebp
+	ret
+
+
+/*
  * unsigned char *grub_vga_get_font (void)
  */
 FUNCTION(grub_vga_get_font)
Index: term/i386/pc/console.c
===================================================================
RCS file: /cvsroot/grub/grub2/term/i386/pc/console.c,v
retrieving revision 1.5
diff -u -p -r1.5 console.c
--- term/i386/pc/console.c	15 Feb 2005 00:07:01 -0000	1.5
+++ term/i386/pc/console.c	3 Jul 2005 20:34:45 -0000
@@ -20,6 +20,7 @@
 #include <grub/machine/console.h>
 #include <grub/term.h>
 #include <grub/types.h>
+#include <grub/misc.h>
 
 grub_uint8_t grub_console_cur_color = 0x7;
 static grub_uint8_t grub_console_standard_color = 0x7;
@@ -74,6 +75,12 @@ grub_console_putchar (grub_uint32_t c)
   grub_console_real_putchar (c);
 }
 
+static grub_uint16_t
+grub_console_getwh (void)
+{
+  return (80 << 8) | 25; /* FIXME: Always true ?  */
+}
+
 static void
 grub_console_setcolorstate (grub_term_color_state state)
 {
@@ -107,6 +114,7 @@ static struct grub_term grub_console_ter
     .putchar = grub_console_putchar,
     .checkkey = grub_console_checkkey,
     .getkey = grub_console_getkey,
+    .getwh = grub_console_getwh,
     .getxy = grub_console_getxy,
     .gotoxy = grub_console_gotoxy,
     .cls = grub_console_cls,
Index: term/i386/pc/vga.c
===================================================================
RCS file: /cvsroot/grub/grub2/term/i386/pc/vga.c,v
retrieving revision 1.7
diff -u -p -r1.7 vga.c
--- term/i386/pc/vga.c	2 Mar 2005 20:12:46 -0000	1.7
+++ term/i386/pc/vga.c	3 Jul 2005 20:34:46 -0000
@@ -473,6 +473,59 @@ grub_vga_putchar (grub_uint32_t c)
 }
 
 static grub_uint16_t
+grub_vga_getwh (void)
+{
+  return (TEXT_WIDTH << 8) | TEXT_HEIGHT;
+#if 0
+  static grub_uint16_t res;
+  unsigned char mode;
+  if (res)
+    return res;
+  /* FIXME : Assumed char size : w=8 h=16.  */
+  switch (mode = grub_vga_get_mode () )
+    {
+      case 0: /* text, 40x25 */
+      case 1:
+        res = (40 << 8) | 25;
+        break;
+      case 2: /* text, 80x25 */
+      case 3:
+        res = (80 << 8) | 25;
+        break;
+      case 8: /* graph, 160x200 */
+        res = (20 << 8) | 12;
+        break;
+      case 4: /* graph, 320x200 */
+      case 5:
+      case 9:
+      case 0xD:
+      case 0x13:
+        res = (40 << 8) | 12;
+        break;
+      case 6: /* graph, 640x200 */
+      case 0xA:
+      case 0xE:
+        res = (80 << 8) | 12;
+        break;
+      case 0xF: /* graph, 640x350 */
+      case 0x10:
+        res = (80 << 8) | 21;
+        break;
+      case 0x11: /* graph, 640x480 */
+      case 0x12:
+        res = (80 << 8) | 21;
+        break;
+      default: /* XXX: dumb values */
+        res = (10 << 8) | 10;
+        break;
+    }
+  grub_dprintf("terminal","Mode=%d, Val=0x%x, w=%d, h=%d",mode,res,(res&0xFF00)>>8,res&0xFF);
+  while(1);
+  return res;
+#endif
+}
+
+static grub_uint16_t
 grub_vga_getxy (void)
 {
   return ((xpos << 8) | ypos);
@@ -566,6 +619,7 @@ static struct grub_term grub_vga_term =
     .putchar = grub_vga_putchar,
     .checkkey = grub_console_checkkey,
     .getkey = grub_console_getkey,
+    .getwh = grub_vga_getwh,
     .getxy = grub_vga_getxy,
     .gotoxy = grub_vga_gotoxy,
     .cls = grub_vga_cls,