/**
* @brief Called when the user wheel the mouse over the node
*/
static void UI_VScrollbarNodeWheel (uiNode_t *node, int deltaX, int deltaY)
{
if (deltaY == 0)
return;
if (EXTRADATA(node).fullsize == 0 || EXTRADATA(node).fullsize < EXTRADATA(node).viewsize)
return;
UI_VScrollbarNodeSet(node, EXTRADATA(node).pos + deltaY);
}
/**
* @brief Called when the user wheel the mouse over the node
*/
bool uiVScrollbarNode::onScroll (uiNode_t* node, int deltaX, int deltaY)
{
if (deltaY == 0)
return false;
if (EXTRADATA(node).fullsize == 0 || EXTRADATA(node).fullsize < EXTRADATA(node).viewsize)
return false;
UI_VScrollbarNodeSet(node, EXTRADATA(node).pos + deltaY);
return true;
}
/**
* @brief Called when the node is captured by the mouse
*/
void uiVScrollbarNode::onCapturedMouseMove (uiNode_t* node, int x, int y)
{
if (capturedElement != 2)
return;
const int posSize = EXTRADATA(node).fullsize;
const int graphicSize = node->box.size[1] - (4 * ELEMENT_HEIGHT);
/* compute mouse mouse */
y -= oldMouseY;
/* compute pos projection */
const int pos = oldPos + (((float)y * (float)posSize) / (float)graphicSize);
UI_VScrollbarNodeSet(node, pos);
}
/**
* @brief Translate the position to a value
*/
static inline void UI_VScrollbarNodeDiff (uiNode_t *node, int value)
{
UI_VScrollbarNodeSet(node, EXTRADATA(node).pos + value);
}
