From c0388c98817dc0afc73fdadc5145b5668d349793 Mon Sep 17 00:00:00 2001
From: Linas Vepstas <linas@linas.org>
Date: Mon, 26 Jan 1998 06:54:36 +0000
Subject: [PATCH] mark some cells as being output-only

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@443 57a11ea4-9604-0410-9ed3-97b8803252fd
---
 src/register/basiccell.c |  4 +---
 src/register/basiccell.h | 21 +++++++--------------
 src/register/cellblock.c |  3 ---
 src/register/register.c  |  1 +
 src/register/table.c     | 11 ++++++++++-
 5 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/src/register/basiccell.c b/src/register/basiccell.c
index 358356c06d..fb96d72336 100644
--- a/src/register/basiccell.c
+++ b/src/register/basiccell.c
@@ -14,9 +14,7 @@ BasicCell * xaccMallocBasicCell (void)
 
 void xaccInitBasicCell (BasicCell *cell)
 {
-   cell->type = 0;
-   cell->row = 0;
-   cell->col = 0;
+   cell->input_output = 1;
    cell->width = 0;
    cell->alignment = 0;
    cell->value = 0x0;
diff --git a/src/register/basiccell.h b/src/register/basiccell.h
index f258b8afa0..9d4db7f404 100644
--- a/src/register/basiccell.h
+++ b/src/register/basiccell.h
@@ -5,17 +5,12 @@
 #ifndef __XACC_BASIC_CELL_H__
 #define __XACC_BASIC_CELL_H__
 
-/* cell types */
-enum {
-  DATE,     
-  PRICE,     /* two-digit float point display */
-  AMOUNT,    /* three-digit float point display */
-  TEXT,      /* string text */
-  COMBO,     /* combobox */
-};
-
-
 /*
+ * The input_output member is zero if the cell is supposed 
+ * to only display values, but not accept user input.  If
+ * non-zero, then the callbacks below are used to when the
+ * cell is entered.
+ *
  * The enter_cell() callback is called when the user first
  * makes a move to enter a cell.  The current value of the 
  * cell is passed as the argument.  If the callback wishes
@@ -55,11 +50,9 @@ enum {
 
 typedef struct _BasicCell {
 
-  short type;     /* cell type */
-  short row;      /* relative row position */
-  short col;      /* relative column position */
-  short width;    /* column width, in chars, not pixels */
+  short width;     /* column width, in chars, not pixels */
   short alignment; /* column text alignment */
+  char  input_output;  /* zero if output-only */
 
   /* private data */
   char * value;   /* current value */
diff --git a/src/register/cellblock.c b/src/register/cellblock.c
index f589cfd29f..9de86c6c7f 100644
--- a/src/register/cellblock.c
+++ b/src/register/cellblock.c
@@ -64,9 +64,6 @@ xaccAddCell (CellBlock *arr, BasicCell *cell, int row, int col)
    if (!arr) return;
    if (!cell) return;
 
-   cell->row = row;
-   cell->col = col;
-
    /* avoid embarrasement if cell incorrectly specified */
    if ((0 > row) || (0 > col)) return;
    if ((row >= arr->numRows) || (col >= arr->numCols)) return;
diff --git a/src/register/register.c b/src/register/register.c
index 2ba402adf1..f9c28fd33f 100644
--- a/src/register/register.c
+++ b/src/register/register.c
@@ -140,6 +140,7 @@ void xaccInitBasicRegister (BasicRegister *reg)
    
    reg->balanceCell = xaccMallocPriceCell();
    reg->balanceCell->cell.width = 9;
+   reg->balanceCell->cell.input_output = 0;
    xaccAddCell (curs, &(reg->balanceCell->cell), BALN_CELL_R, BALN_CELL_C);
    
    table =  xaccMallocTable (0, 0);
diff --git a/src/register/table.c b/src/register/table.c
index a3414f5992..32e85e857a 100644
--- a/src/register/table.c
+++ b/src/register/table.c
@@ -208,7 +208,16 @@ cellCB (Widget mw, XtPointer cd, XtPointer cb)
    if (arr && !invalid) {
       rel_row %= (arr->numRows);
       rel_col %= (arr->numCols);
-      if (! (arr->cells[rel_row][rel_col])) invalid = TRUE;
+      if (! (arr->cells[rel_row][rel_col])) {
+         invalid = TRUE;
+      } else {
+         /* if cell is marked as output-only,
+          * then don't call callbacks */
+         if (0 == (arr->cells[rel_row][rel_col])->input_output) {
+            invalid = TRUE;
+         }
+      }
+
    } else {
       invalid = TRUE;
    }