Function GUI_Purchase_Plus_Click

src/gui/widget_click.c:1413–1440

* Handles Click event for the "+" button in starport window. * * @return True, always. */

 * @return True, always.
 */
bool GUI_Purchase_Plus_Click(Widget *w)
{
	FactoryWindowItem *item = GUI_FactoryWindow_GetItem(g_factoryWindowSelected);
	ObjectInfo *oi = item->objectInfo;
	House *h = g_playerHouse;
	bool canCreateMore = true;
	uint16 type = item->objectType;

	GUI_Widget_MakeNormal(w, false);

	if (g_table_unitInfo[type].movementType != MOVEMENT_WINGER && g_table_unitInfo[type].movementType != MOVEMENT_SLITHER) {
		if (g_starPortEnforceUnitLimit && h->unitCount >= h->unitCountMax) canCreateMore = false;
	}

	if (item->amount < oi->available && item->credits <= h->credits && canCreateMore) {
		item->amount++;

		GUI_FactoryWindow_UpdateDetails(item);

		g_factoryWindowOrdered++;

		h->credits -= item->credits;

		GUI_FactoryWindow_DrawCaption(NULL);
	}

	return true;
}

/**
 * Handles Click event for the "-" button in startport window.