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300 lines
8.5 KiB
300 lines
8.5 KiB
/********************************************************************\
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License*
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* along with this program; if not, contact: *
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* *
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* Free Software Foundation Voice: +1-617-542-5942 *
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* 59 Temple Place - Suite 330 Fax: +1-617-542-2652 *
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* Boston, MA 02111-1307, USA gnu@gnu.org *
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* *
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\********************************************************************/
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/*
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* FILE:
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* table-qt.cpp
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*
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* FUNCTION:
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* Implements the infrastructure for the displayed table.
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* This is the QT implementation;
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*
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* HISTORY:
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* Copyright (c) 1998 Linas Vepstas
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* Copyright (c) 1998 Rob Browning <rlb@cs.utexas.edu>
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*/
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extern "C" {
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "cellblock.h"
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#include "table-allgui.h"
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/* This static indicates the debugging module that this .o belongs to. */
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// static short module = MOD_QT_REG;
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/* ==================================================== */
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void
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xaccNextTabGroup (Table *table, void * w) {
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// table->next_tab_group = w;
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}
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/* ==================================================== */
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void
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doRefreshCursorGUI (Table * table, CellBlock *curs,
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int from_row, int from_col, gncBoolean do_scroll)
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{
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}
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void
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xaccRefreshTableGUI (Table * table) {
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}
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#if 0
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static int
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verify_cell_interaction_OK(Table *table, const int row, const int col)
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{
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/* This was cellCB in a previous (Motif) life. We don't do nearly
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the checking that the Xbae code did because we presume that the
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row/column has to be valid if the user could have clicked on it.
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That's reasonable given the way that CList works. For one thing,
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header rows are handled separately. */
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const CellBlock *arr = table->current_cursor;
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int rel_row, rel_col;
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int invalid = 0;
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/* make sure that we've repositioned the cursor to this location,
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* and that we've dragged along any subsidiary GUI's with us.
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* Do this *before* we use the value of the "current cursor"
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*/
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xaccVerifyCursorPosition (table, row, col);
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arr = table->current_cursor;
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/* compute the cell location */
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rel_row = table->locators[row][col]->phys_row_offset;
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rel_col = table->locators[row][col]->phys_col_offset;
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/* verify that cursor offsets are valid. This may occur if
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* the app that is using the table has a paritally initialized
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* cursor. (probably due to a prograing error, but maybe they
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* meant to do this). */
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invalid = invalid || (0 > rel_row);
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invalid = invalid || (0 > rel_col);
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/* check for a cell handler, but only if cell adress is valid */
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/* QT may not need all these checks, but they don't hurt */
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if (arr && !invalid) {
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if (! (arr->cells[rel_row][rel_col])) {
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invalid = TRUE;
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} else {
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/* if cell is marked as output-only,
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* then don't call callbacks */
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if (0 == (XACC_CELL_ALLOW_INPUT &
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((arr->cells[rel_row][rel_col])->input_output))) {
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invalid = TRUE;
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}
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}
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} else {
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invalid = TRUE;
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}
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return(!invalid);
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}
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/* ==================================================== */
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/* this callback assumes that basic error checking has already
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* been performed. */
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static void
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cell_entered(Table *table, const int row, const int col) {
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}
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/* ==================================================== */
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static void
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compute_string_single_change(const gchar *a, const gchar *b, gchar **result) {
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/* Compute the change from a to b assuming that the changed region
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is contiguous. This is only a guess, the solution is
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inherently ambiguous. */
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const gint a_len = strlen(a);
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const gint b_len = strlen(b);
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const gchar *afptr = a, *bfptr = b;
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const gchar *arptr = a + a_len;
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const gchar *brptr = b + b_len;
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while(*afptr && *bfptr && (*afptr == *bfptr)) {
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afptr++;
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bfptr++;
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}
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while((arptr != afptr) && (brptr != bfptr) && (*arptr == *brptr)) {
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arptr--;
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brptr--;
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}
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if(a_len == b_len) brptr++;
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if(bfptr == brptr) {
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/* deletion or nothing */
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*result = NULL;
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return;
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} else {
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const gint length = (brptr - bfptr);
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*result = (char *) g_malloc(length * sizeof(char) + 1);
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strncpy(*result, bfptr, length);
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(*result)[length] = '\0';
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return;
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}
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}
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/* ==================================================== */
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/* this routine calls the individual cell callbacks */
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static void
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cell_modified(Table *table, const int row, const int col)
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{
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}
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/* ==================================================== */
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static void
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cell_left(Table *table, const int row, const int col) {
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}
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/* ==================================================== */
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/* ==================================================== */
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void *
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xaccCreateTable (Table *table, void *parent) {
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return NULL;
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}
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/* ==================================================== */
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/* if any of the cells have GUI specific components that
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* need initialization, initialize them now.
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* The cell realize method, if present on a cell,
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* is how that cell can find out that now is the time to
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* initialize that GUI.
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*/
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void
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xaccCreateCursor (Table * table, CellBlock *curs) {
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}
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/* ==================================================== */
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void
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xaccRefreshTableGUI (Table * table) {
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if (!table) return;
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if (!(table->table_widget)) return;
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DEBUGCMD ({int i;
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printf (" refresh numphysrows=%d numphyscols=%d =========================\n",
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table->num_phys_rows,table->num_phys_cols);
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for (i=0; i<table->num_phys_rows; i++) {
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printf ("cell %d\tcolor: 0x%x\tact:%s\tdescr: %s\tpay: %s\n", i,
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table->bg_colors[i][3],
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table->entries[i][2],
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table->entries[i][3],
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table->entries[i][5]);
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}});
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{
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/* The 0'th row of the handlers is defined as the header */
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GtkSheet *reg = GTK_SHEET(table->table_widget);
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gtk_sheet_freeze(reg);
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/* Adjust table to have the right number of rows */
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{
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/* maxrow is actually the maximum index, not the total number of rows */
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const glong diffrows = (reg->maxrow + 1) - table->num_phys_rows;
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gint row, col;
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if(diffrows > 0) {
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gtk_sheet_add_row(reg, diffrows);
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} else if(diffrows < 0) {
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gtk_sheet_delete_rows(reg, 0, diffrows);
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}
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/* Set the per-cell contents, colors, etc. */
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for(row = 0; row < table->num_phys_rows; row++) {
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for(col = 0; col < table->num_phys_cols; col++) {
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update_cell(reg, table, row, col);
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}
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}
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}
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gtk_sheet_thaw(reg);
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}
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}
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/* ==================================================== */
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void
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doRefreshCursorGUI (Table * table, CellBlock *curs, int from_row, int from_col)
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{
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int phys_row, phys_col;
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int to_row, to_col;
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int i,j;
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/* if the current cursor is undefined, there is nothing to do. */
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if (!curs) return;
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if ((0 > from_row) || (0 > from_col)) return;
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/* compute the physical bounds of the current cursor */
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phys_row = from_row;
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phys_col = from_col;
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from_row -= table->locators[phys_row][phys_col]->phys_row_offset;
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from_col -= table->locators[phys_row][phys_col]->phys_col_offset;
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to_row = from_row + curs->numRows;
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to_col = from_col + curs->numCols;
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{
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GtkSheet *reg = GTK_SHEET(table->table_widget);
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gtk_sheet_freeze(reg);
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/* cycle through, cell by cell, copying our values to the widget */
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for (i=from_row; i<to_row; i++) {
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for (j=from_col; j<to_col; j++) {
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update_cell(reg, table, i, j);
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}
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}
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gtk_sheet_thaw(reg);
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}
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}
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#endif
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/* ==================================================== */
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int gnc_table_column_width(Table *table, const int col)
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{
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return 0;
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}
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}
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/* ================== end of file ======================= */
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