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Implement Workspaces

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This commit is contained in:
Michael Stapelberg
2009-02-13 05:16:47 +01:00
parent 2bdcb322a3
commit d46ac1ebc5
4 changed files with 132 additions and 70 deletions
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46
table.c
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@ -14,19 +14,24 @@
#include "data.h"
#include "table.h"
/* This is a two-dimensional dynamic array of Container-pointers. I’ve always wanted
* to be a three-star programmer :) */
Container ***table = NULL;
struct table_dimensions_t table_dims = {0, 0};
int current_workspace = 0;
Workspace workspaces[10];
/* Convenience pointer to the current workspace */
Workspace *c_ws = &workspaces[0];
/*
* Initialize table
*
*/
void init_table() {
expand_table_cols();
expand_table_rows();
int i;
printf("sizof(workspaces) = %d\n", sizeof(workspaces));
memset(workspaces, 0, sizeof(workspaces));
for (i = 0; i < 10; i++) {
expand_table_cols(&(workspaces[i]));
expand_table_rows(&(workspaces[i]));
}
}
static void new_container(Container **container) {
@ -41,14 +46,14 @@ static void new_container(Container **container) {
* Add one row to the table
*
*/
void expand_table_rows() {
void expand_table_rows(Workspace *workspace) {
int c;
table_dims.y++;
workspace->rows++;
for (c = 0; c < table_dims.x; c++) {
table[c] = realloc(table[c], sizeof(Container*) * table_dims.y);
new_container(&(table[c][table_dims.y-1]));
for (c = 0; c < workspace->cols; c++) {
workspace->table[c] = realloc(workspace->table[c], sizeof(Container*) * workspace->rows);
new_container(&(workspace->table[c][workspace->rows-1]));
}
}
@ -56,14 +61,15 @@ void expand_table_rows() {
* Add one column to the table
*
*/
void expand_table_cols() {
void expand_table_cols(Workspace *workspace) {
int c;
table_dims.x++;
table = realloc(table, sizeof(Container**) * table_dims.x);
table[table_dims.x-1] = calloc(sizeof(Container*) * table_dims.y, 1);
for (c = 0; c < table_dims.y; c++)
new_container(&(table[table_dims.x-1][c]));
workspace->cols++;
workspace->table = realloc(workspace->table, sizeof(Container**) * workspace->cols);
workspace->table[workspace->cols-1] = calloc(sizeof(Container*) * workspace->rows, 1);
for (c = 0; c < workspace->rows; c++)
new_container(&(workspace->table[workspace->cols-1][c]));
}
/*
@ -71,6 +77,6 @@ void expand_table_cols() {
*
*/
bool cell_exists(int col, int row) {
return (col >= 0 && col < table_dims.x) &&
(row >= 0 && row < table_dims.y);
return (col >= 0 && col < c_ws->rows) &&
(row >= 0 && row < c_ws->cols);
}