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pTk/mTk/generic/tkGrid.c  view on Meta::CPAN

     * that would fit all of the slaves.  This determines the minimum
     */

    for (offset=slot=0; slot < gridCount; slot++) {
        layoutPtr[slot].minOffset = layoutPtr[slot].minSize + offset;
        for (slavePtr = layoutPtr[slot].binNextPtr; slavePtr != NULL;
                    slavePtr = slavePtr->binNextPtr) {
	    int span = (slotType == COLUMN) ? slavePtr->numCols : slavePtr->numRows;
            int required = slavePtr->size + layoutPtr[slot - span].minOffset;
            if (required > layoutPtr[slot].minOffset) {
                layoutPtr[slot].minOffset = required;
            }
        }
        offset = layoutPtr[slot].minOffset;
    }

    /*
     * At this point, we know the minimum required size of the entire layout.
     * It might be prudent to stop here if our "master" will resize itself
     * to this size.
     */

pTk/mTk/generic/tkGrid.c  view on Meta::CPAN

    for (slot=0; slot < gridCount; slot++) {
        layoutPtr[slot].maxOffset = offset;
    }
    for (slot=gridCount-1; slot > 0;) {
        for (slavePtr = layoutPtr[slot].binNextPtr; slavePtr != NULL;
                    slavePtr = slavePtr->binNextPtr) {
	    int span = (slotType == COLUMN) ? slavePtr->numCols : slavePtr->numRows;
            int require = offset - slavePtr->size;
            int startSlot  = slot - span;
            if (startSlot >=0 && require < layoutPtr[startSlot].maxOffset) {
                layoutPtr[startSlot].maxOffset = require;
            }
	}
	offset -= layoutPtr[slot].minSize;
	slot--;
	if (layoutPtr[slot].maxOffset < offset) {
	    offset = layoutPtr[slot].maxOffset;
	} else {
	    layoutPtr[slot].maxOffset = offset;
	}
    }