gri3-wm/table.c

83 lines
1.7 KiB
C

/*
* This file provides functions for easier accessing of _the_ table
*
*/
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdbool.h>
#include <assert.h>
#include "data.h"
#include "table.h"
int current_workspace = 0;
Workspace workspaces[10];
/* Convenience pointer to the current workspace */
Workspace *c_ws = &workspaces[0];
/*
* Initialize table
*
*/
void init_table() {
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) {
Container *new;
new = *container = calloc(sizeof(Container), 1);
CIRCLEQ_INIT(&(new->clients));
new->colspan = 1;
new->rowspan = 1;
}
/*
* Add one row to the table
*
*/
void expand_table_rows(Workspace *workspace) {
int c;
workspace->rows++;
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]));
}
}
/*
* Add one column to the table
*
*/
void expand_table_cols(Workspace *workspace) {
int 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]));
}
/*
* Performs simple bounds checking for the given column/row
*
*/
bool cell_exists(int col, int row) {
return (col >= 0 && col < c_ws->rows) &&
(row >= 0 && row < c_ws->cols);
}