source: gaycko/trunk/src/render/table.c @ 4761 Tweet

/*
 *  Gaycko        Text mode web browser
 *  Copyright (c) 2011 Jean-Yves Lamoureux <jylam@lnxscene.org>
 *                All Rights Reserved
 *
 *  This library is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it
 *  and/or modify it under the terms of the Do What The Fuck You Want
 *  To Public License, Version 2, as published by Sam Hocevar. See
 *  http://sam.zoy.org/wtfpl/COPYING for more details.
 */

#include "renderer.h"
void gaycko_fix_table(gNode *table) {
        unsigned int tr = 0;
    unsigned int e  = 0;
    gNode *last_tr = NULL;
    table->specific.table->tr_count = 0;
    
    /* Count TD by TR, and TR by TABLE */
    for(tr = 0 ; tr < table->children_count; tr++) {
        if(table->children[tr]->type == ELEM_TR) {
            gaycko_fix_tr(table->children[tr]);
            table->specific.table->tr_count++; 
            last_tr = table->children[tr];
        }
    }
    
    /* Scan TD's and set each correspondants to the max width */
    unsigned int td = 0;
    for(td = 0; td < last_tr->specific.tr->td_count; td++) {
        unsigned int biggest_td = 0;
        
        for(e = 0 ; e < table->children_count; e++) {
            if(table->children[e]->type == ELEM_TR) {
                unsigned int td_width = gaycko_get_td_width(table->children[e], td);
                if(biggest_td < td_width) {
                    biggest_td = td_width;
                }
            }
        }
        for(e = 0 ; e < table->children_count; e++) {
            if(table->children[e]->type == ELEM_TR) {
                gaycko_set_td_width(table->children[e], td, biggest_td);
            }
        }
    }
}

void gaycko_fix_tr(gNode *tr) {
        unsigned int td = 0;
    tr->specific.tr->td_count = 0;
    
    for(td = 0 ; td < tr->children_count; td++) {
        if(tr->children[td]->type == ELEM_TD) {
            tr->specific.tr->td_count++; 
        }
    }
}    

unsigned int gaycko_get_td_width(gNode *tr, unsigned int td_index) {
    unsigned int e = 0;
    unsigned int td = 0;
    for(e = 0 ; e < tr->children_count; e++) {
        if(tr->children[e]->type == ELEM_TD) {
            if(td == td_index) return tr->children[e]->properties->width;
            td++;
        }
    }
    return 0;
}

void gaycko_set_td_width(gNode *tr, unsigned td_index, unsigned int width) {
    unsigned int e = 0;
    unsigned int td = 0;
    unsigned int add_width = 0;
    
    for(e = 0 ; e < tr->children_count; e++) {
        if(tr->children[e]->type == ELEM_TD) {
            if(td == td_index) {
                add_width = width - tr->children[e]->properties->width;
            } else {
                gaycko_add_node_x(tr->children[e], add_width);
            }
            td++;
        }
    }
}