/**
* @brief Called when we are in UI mode and down a mouse button
* @sa UI_LeftClick
* @sa UI_RightClick
* @sa UI_MiddleClick
*/
void UI_MouseDown (int x, int y, int button)
{
/* disable old long click event */
if (longPressTimer)
UI_TimerStop(longPressTimer);
uiNode_t* node;
/* captured or hover node */
node = capturedNode ? capturedNode : hoveredNode;
if (node != nullptr) {
UI_MoveWindowOnTop(node->root);
UI_Node_MouseDown(node, x, y, button);
}
/* select clickableNode on button up, and detect multipress button */
if (pressedNode == nullptr) {
pressedNode = node;
pressedNodeLocationX = x;
pressedNodeLocationY = y;
pressedNodeButton = button;
/** @todo find a way to create the timer when UI loading and remove "if (longPressTimer)" */
if (longPressTimer == nullptr) {
longPressTimer = UI_AllocTimer(nullptr, LONGPRESS_DELAY, UI_LongPressCallback);
}
UI_TimerStart(longPressTimer);
} else {
pressedNode = nullptr;
}
}
/**
* @brief unittest around timer data structure.
* It not test timer execution.
*/
TEST_F(UITest, TimerDataStructure)
{
uiNode_t* dummyNode = (uiNode_t*) 0x1;
timerCallback_t dummyCallback = (timerCallback_t) 0x1;
uiTimer_t* a, *b, *c;
a = UI_AllocTimer(dummyNode, 10, dummyCallback);
b = UI_AllocTimer(dummyNode, 20, dummyCallback);
c = UI_AllocTimer(dummyNode, 30, dummyCallback);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == nullptr);
UI_TimerStart(b);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == b);
UI_TimerStart(a);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == a);
UI_TimerStart(c);
ASSERT_TRUE(UI_PrivateGetFirstTimer()->next->next == c);
UI_TimerStop(a);
UI_TimerStop(b);
ASSERT_TRUE(a->owner != nullptr);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == c);
ASSERT_TRUE(UI_PrivateGetFirstTimer()->next == nullptr);
UI_TimerStart(a);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == a);
ASSERT_TRUE(UI_PrivateGetFirstTimer()->next == c);
UI_PrivateInsertTimerInActiveList(a->next, b);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == a);
ASSERT_TRUE(UI_PrivateGetFirstTimer()->next == b);
ASSERT_TRUE(UI_PrivateGetFirstTimer()->next->next == c);
UI_TimerRelease(b);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == a);
ASSERT_TRUE(UI_PrivateGetFirstTimer()->next == c);
UI_TimerRelease(a);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == c);
UI_TimerRelease(c);
ASSERT_TRUE(UI_PrivateGetFirstTimer() == nullptr);
ASSERT_TRUE(c->owner == nullptr);
}
/**
* Callback function waked up to send long click event
*/
static void UI_LongPressCallback (uiNode_t* , uiTimer_t* timer)
{
UI_TimerStop(timer);
/* make sure the event still make sense */
if (pressedNode == nullptr)
return;
uiNode_t* node = pressedNode;
while (node) {
if (UI_Node_MouseLongPress(node, pressedNodeLocationX, pressedNodeLocationY, pressedNodeButton))
break;
node = node->parent;
}
}
/**
* @brief Called when we are in UI mode and up a mouse button
* @sa UI_LeftClick
* @sa UI_RightClick
* @sa UI_MiddleClick
*/
void UI_MouseUp (int x, int y, int button)
{
/* disable long click event */
if (longPressTimer)
UI_TimerStop(longPressTimer);
/* send click event */
/** @todo it is really need to clean up this subfunctions */
if (pressedNode || capturedNode) {
switch (button) {
case K_MOUSE1:
UI_LeftClick(x, y);
break;
case K_MOUSE2:
UI_RightClick(x, y);
break;
case K_MOUSE3:
UI_MiddleClick(x, y);
break;
}
}
/* captured or hovered node */
uiNode_t* node = nullptr;
if (capturedNode) {
node = capturedNode;
} else if (pressedNode == hoveredNode) {
node = hoveredNode;
}
pressedNode = nullptr;
if (node == nullptr)
return;
UI_Node_MouseUp(node, x, y, button);
}
/**
* @brief Is called every time the mouse position change
*/
void UI_MouseMove (int x, int y)
{
if (UI_DNDIsDragging())
return;
if (pressedNode && !capturedNode) {
if (pressedNodeLocationX != UI_STARTDRAG_ALREADY_SENT) {
UI_TimerStop(longPressTimer);
int dist = abs(pressedNodeLocationX - x) + abs(pressedNodeLocationY - y);
if (dist > 4) {
uiNode_t* node = pressedNode;
while (node) {
if (UI_Node_StartDragging(node, pressedNodeLocationX, pressedNodeLocationY, x, y, pressedNodeButton))
break;
node = node->parent;
}
pressedNodeLocationX = UI_STARTDRAG_ALREADY_SENT;
}
}
}
/* send the captured move mouse event */
if (capturedNode) {
UI_Node_CapturedMouseMove(capturedNode, x, y);
return;
}
hoveredNode = UI_GetNodeAtPosition(x, y);
/* update houvered node by sending messages */
if (oldHoveredNode != hoveredNode) {
uiNode_t* commonNode = hoveredNode;
uiNode_t* node;
/* search the common node */
while (commonNode) {
node = oldHoveredNode;
while (node) {
if (node == commonNode)
break;
node = node->parent;
}
if (node != nullptr)
break;
commonNode = commonNode->parent;
}
/* send 'leave' event from old node to common node */
node = oldHoveredNode;
while (node != commonNode) {
UI_Node_MouseLeave(node);
node = node->parent;
}
if (oldHoveredNode)
oldHoveredNode->state = false;
/* send 'enter' event from common node to new node */
while (commonNode != hoveredNode) {
/** @todo we can remove that loop with an array allocation */
node = hoveredNode;
while (node->parent != commonNode)
node = node->parent;
commonNode = node;
UI_Node_MouseEnter(node);
}
if (hoveredNode) {
hoveredNode->state = true;
UI_Node_MouseEnter(node);
}
}
oldHoveredNode = hoveredNode;
/* send the move event */
if (hoveredNode)
UI_Node_MouseMove(hoveredNode, x, y);
}
