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code from Dirk Schoenberger

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@1680 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 1999-03-28 17:49:03 +00:00
parent 7dff4361d3
commit 7e14c4e940
2 changed files with 326 additions and 0 deletions
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271
src/register/table-qt.cpp Executable file
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/*
* FILE:
* table-qt.cpp
*
* FUNCTION:
* Implements the infrastructure for the displayed table.
* This is the QT implementation;
*
* HISTORY:
* Copyright (c) 1998 Linas Vepstas
* Copyright (c) 1998 Rob Browning <rlb@cs.utexas.edu>
*/
/********************************************************************\
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
\********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* This static indicates the debugging module that this .o belongs to. */
static short module = MOD_QT_REG;
/* ==================================================== */
void
xaccNextTabGroup (Table *table, GtkWidget * w) {
table->next_tab_group = w;
}
/* ==================================================== */
#if 0
static int
verify_cell_interaction_OK(Table *table, const int row, const int col)
{
/* This was cellCB in a previous (Motif) life. We don't do nearly
the checking that the Xbae code did because we presume that the
row/column has to be valid if the user could have clicked on it.
That's reasonable given the way that CList works. For one thing,
header rows are handled separately. */
const CellBlock *arr = table->current_cursor;
int rel_row, rel_col;
int invalid = 0;
/* make sure that we've repositioned the cursor to this location,
* and that we've dragged along any subsidiary GUI's with us.
* Do this *before* we use the value of the "current cursor"
*/
xaccVerifyCursorPosition (table, row, col);
arr = table->current_cursor;
/* compute the cell location */
rel_row = table->locators[row][col]->phys_row_offset;
rel_col = table->locators[row][col]->phys_col_offset;
/* verify that cursor offsets are valid. This may occur if
* the app that is using the table has a paritally initialized
* cursor. (probably due to a prograing error, but maybe they
* meant to do this). */
invalid = invalid || (0 > rel_row);
invalid = invalid || (0 > rel_col);
/* check for a cell handler, but only if cell adress is valid */
/* QT may not need all these checks, but they don't hurt */
if (arr && !invalid) {
if (! (arr->cells[rel_row][rel_col])) {
invalid = TRUE;
} else {
/* if cell is marked as output-only,
* then don't call callbacks */
if (0 == (XACC_CELL_ALLOW_INPUT &
((arr->cells[rel_row][rel_col])->input_output))) {
invalid = TRUE;
}
}
} else {
invalid = TRUE;
}
return(!invalid);
}
/* ==================================================== */
/* this callback assumes that basic error checking has already
* been performed. */
static void
cell_entered(Table *table, const int row, const int col) {
}
/* ==================================================== */
static void
compute_string_single_change(const gchar *a, const gchar *b, gchar **result) {
/* Compute the change from a to b assuming that the changed region
is contiguous. This is only a guess, the solution is
inherently ambiguous. */
const gint a_len = strlen(a);
const gint b_len = strlen(b);
const gchar *afptr = a, *bfptr = b;
const gchar *arptr = a + a_len;
const gchar *brptr = b + b_len;
while(*afptr && *bfptr && (*afptr == *bfptr)) {
afptr++;
bfptr++;
}
while((arptr != afptr) && (brptr != bfptr) && (*arptr == *brptr)) {
arptr--;
brptr--;
}
if(a_len == b_len) brptr++;
if(bfptr == brptr) {
/* deletion or nothing */
*result = NULL;
return;
} else {
const gint length = (brptr - bfptr);
*result = (char *) g_malloc(length * sizeof(char) + 1);
strncpy(*result, bfptr, length);
(*result)[length] = '\0';
return;
}
}
/* ==================================================== */
/* this routine calls the individual cell callbacks */
static void
cell_modified(Table *table, const int row, const int col)
{
}
/* ==================================================== */
static void
cell_left(Table *table, const int row, const int col) {
}
/* ==================================================== */
/* ==================================================== */
QWidget *
xaccCreateTable (Table *table, QWidget *parent) {
return NULL;
}
/* ==================================================== */
/* if any of the cells have GUI specific components that
* need initialization, initialize them now.
* The cell realize method, if present on a cell,
* is how that cell can find out that now is the time to
* initialize that GUI.
*/
void
xaccCreateCursor (Table * table, CellBlock *curs) {
}
/* ==================================================== */
void
xaccRefreshTableGUI (Table * table) {
if (!table) return;
if (!(table->table_widget)) return;
DEBUGCMD ({int i;
printf (" refresh numphysrows=%d numphyscols=%d =========================\n",
table->num_phys_rows,table->num_phys_cols);
for (i=0; i<table->num_phys_rows; i++) {
printf ("cell %d\tcolor: 0x%x\tact:%s\tdescr: %s\tpay: %s\n", i,
table->bg_colors[i][3],
table->entries[i][2],
table->entries[i][3],
table->entries[i][5]);
}});
{
/* The 0'th row of the handlers is defined as the header */
GtkSheet *reg = GTK_SHEET(table->table_widget);
gtk_sheet_freeze(reg);
/* Adjust table to have the right number of rows */
{
/* maxrow is actually the maximum index, not the total number of rows */
const glong diffrows = (reg->maxrow + 1) - table->num_phys_rows;
gint row, col;
if(diffrows > 0) {
gtk_sheet_add_row(reg, diffrows);
} else if(diffrows < 0) {
gtk_sheet_delete_rows(reg, 0, diffrows);
}
/* Set the per-cell contents, colors, etc. */
for(row = 0; row < table->num_phys_rows; row++) {
for(col = 0; col < table->num_phys_cols; col++) {
update_cell(reg, table, row, col);
}
}
}
gtk_sheet_thaw(reg);
}
}
/* ==================================================== */
void
doRefreshCursorGUI (Table * table, CellBlock *curs, int from_row, int from_col)
{
int phys_row, phys_col;
int to_row, to_col;
int i,j;
/* if the current cursor is undefined, there is nothing to do. */
if (!curs) return;
if ((0 > from_row) || (0 > from_col)) return;
/* compute the physical bounds of the current cursor */
phys_row = from_row;
phys_col = from_col;
from_row -= table->locators[phys_row][phys_col]->phys_row_offset;
from_col -= table->locators[phys_row][phys_col]->phys_col_offset;
to_row = from_row + curs->numRows;
to_col = from_col + curs->numCols;
{
GtkSheet *reg = GTK_SHEET(table->table_widget);
gtk_sheet_freeze(reg);
/* cycle through, cell by cell, copying our values to the widget */
for (i=from_row; i<to_row; i++) {
for (j=from_col; j<to_col; j++) {
update_cell(reg, table, i, j);
}
}
gtk_sheet_thaw(reg);
}
}
/* ================== end of file ======================= */

55
src/register/table-qt.h Executable file
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/*
* FILE:
* table-qt.h
*
* FUNCTION:
* This file defines the QT-specific GUI portions of the
* Table object.
*
* HISTORY:
* Copyright (c) 1998 Linas Vepstas
* Copyright (c) 1998 Rob Browning <rlb@cs.utexas.edu>
*/
/********************************************************************\
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
\********************************************************************/
#ifndef __XACC_TABLE_QT_H__
#define __XACC_TABLE_QT_H__
#include <qwidget.h>
#define TABLE_PRIVATE_DATA
#define TABLE_PRIVATE_DATA_INIT(table) {}
#define TABLE_PRIVATE_DATA_DESTROY(table) {}
/* nothing to resize */
#define TABLE_PRIVATE_DATA_RESIZE(a,b,c,d,e)
typedef struct _Table Table;
/* create the GtkWidget */
QWidget *xaccCreateTable (Table *, QWidget *parent);
void xaccNextTabGroup (Table *, QWidget*);
/* redraw the table GUI */
void xaccRefreshTableGUI (Table *);
#endif __XACC_TABLE_QT_H__
/* ================== end of file ======================= */