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