EVENT_RESULT CGUIControlGroupList::OnMouseEvent(const CPoint &point, const CMouseEvent &event)
{
if (event.m_id == ACTION_MOUSE_WHEEL_UP || event.m_id == ACTION_MOUSE_WHEEL_DOWN)
{
// find the current control and move to the next or previous
float offset = 0;
for (ciControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
if (!control->IsVisible()) continue;
float nextOffset = offset + Size(control) + m_itemGap;
if (event.m_id == ACTION_MOUSE_WHEEL_DOWN && nextOffset > m_scroller.GetValue() && m_scroller.GetValue() < m_totalSize - Size()) // past our current offset
{
ScrollTo(nextOffset);
return EVENT_RESULT_HANDLED;
}
else if (event.m_id == ACTION_MOUSE_WHEEL_UP && nextOffset >= m_scroller.GetValue() && m_scroller.GetValue() > 0) // at least at our current offset
{
ScrollTo(offset);
return EVENT_RESULT_HANDLED;
}
offset = nextOffset;
}
}
return EVENT_RESULT_UNHANDLED;
}
EVENT_RESULT CGUIControlGroupList::SendMouseEvent(const CPoint &point, const CMouseEvent &event)
{
// transform our position into child coordinates
CPoint childPoint(point);
m_transform.InverseTransformPosition(childPoint.x, childPoint.y);
if (CGUIControl::CanFocus())
{
float pos = 0;
float alignOffset = GetAlignOffset();
for (ciControls i = m_children.begin(); i != m_children.end(); ++i)
{
CGUIControl *child = *i;
if (child->IsVisible())
{
if (IsControlOnScreen(pos, child))
{ // we're on screen
float offsetX = m_orientation == VERTICAL ? m_posX : m_posX + alignOffset + pos - m_scroller.GetValue();
float offsetY = m_orientation == VERTICAL ? m_posY + alignOffset + pos - m_scroller.GetValue() : m_posY;
EVENT_RESULT ret = child->SendMouseEvent(childPoint - CPoint(offsetX, offsetY), event);
if (ret)
{ // we've handled the action, and/or have focused an item
return ret;
}
}
pos += Size(child) + m_itemGap;
}
}
// none of our children want the event, but we may want it.
EVENT_RESULT ret;
if (HitTest(childPoint) && (ret = OnMouseEvent(childPoint, event)))
return ret;
}
m_focusedControl = 0;
return EVENT_RESULT_UNHANDLED;
}
float CGUIControlGroupList::GetTotalSize() const
{
float totalSize = 0;
for (ciControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
if (!control->IsVisible()) continue;
totalSize += Size(control) + m_itemGap;
}
if (totalSize > 0) totalSize -= m_itemGap;
return totalSize;
}
bool CGUIControlGroupList::IsLastFocusableControl(const CGUIControl *control) const
{
for (crControls it = m_children.rbegin(); it != m_children.rend(); ++it)
{
CGUIControl *child = *it;
if (child->IsVisible() && child->CanFocus())
{ // found first focusable
return child == control;
}
}
return false;
}
void CGUIControlGroupList::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
if (m_scroller.Update(currentTime))
MarkDirtyRegion();
// first we update visibility of all our items, to ensure our size and
// alignment computations are correct.
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
GUIPROFILER_VISIBILITY_BEGIN(control);
control->UpdateVisibility();
GUIPROFILER_VISIBILITY_END(control);
}
ValidateOffset();
if (m_pageControl && m_lastScrollerValue != m_scroller.GetValue())
{
CGUIMessage message(GUI_MSG_LABEL_RESET, GetParentID(), m_pageControl, (int)Size(), (int)m_totalSize);
SendWindowMessage(message);
CGUIMessage message2(GUI_MSG_ITEM_SELECT, GetParentID(), m_pageControl, (int)m_scroller.GetValue());
SendWindowMessage(message2);
m_lastScrollerValue = m_scroller.GetValue();
}
// we run through the controls, rendering as we go
int index = 0;
float pos = GetAlignOffset();
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
// note we render all controls, even if they're offscreen, as then they'll be updated
// with respect to animations
CGUIControl *control = *it;
if (m_orientation == VERTICAL)
g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_scroller.GetValue());
else
g_graphicsContext.SetOrigin(m_posX + pos - m_scroller.GetValue(), m_posY);
control->DoProcess(currentTime, dirtyregions);
if (control->IsVisible())
{
if (IsControlOnScreen(pos, control))
{
if (control->HasFocus())
m_focusedPosition = index;
index++;
}
pos += Size(control) + m_itemGap;
}
g_graphicsContext.RestoreOrigin();
}
CGUIControl::Process(currentTime, dirtyregions);
}
void CGUIControlGroupList::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
if (m_scrollSpeed != 0)
{
MarkDirtyRegion();
m_offset += m_scrollSpeed * (currentTime - m_scrollLastTime);
if ((m_scrollSpeed < 0 && m_offset < m_scrollOffset) ||
(m_scrollSpeed > 0 && m_offset > m_scrollOffset))
{
m_offset = m_scrollOffset;
m_scrollSpeed = 0;
}
}
m_scrollLastTime = currentTime;
// first we update visibility of all our items, to ensure our size and
// alignment computations are correct.
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
GUIPROFILER_VISIBILITY_BEGIN(control);
control->UpdateVisibility();
GUIPROFILER_VISIBILITY_END(control);
}
ValidateOffset();
if (m_pageControl)
{
CGUIMessage message(GUI_MSG_LABEL_RESET, GetParentID(), m_pageControl, (int)m_height, (int)m_totalSize);
SendWindowMessage(message);
CGUIMessage message2(GUI_MSG_ITEM_SELECT, GetParentID(), m_pageControl, (int)m_offset);
SendWindowMessage(message2);
}
// we run through the controls, rendering as we go
float pos = GetAlignOffset();
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
// note we render all controls, even if they're offscreen, as then they'll be updated
// with respect to animations
CGUIControl *control = *it;
if (m_orientation == VERTICAL)
g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_offset);
else
g_graphicsContext.SetOrigin(m_posX + pos - m_offset, m_posY);
control->DoProcess(currentTime, dirtyregions);
if (control->IsVisible())
pos += Size(control) + m_itemGap;
g_graphicsContext.RestoreOrigin();
}
CGUIControl::Process(currentTime, dirtyregions);
}
void CGUIControlGroupList::ValidateOffset()
{
// calculate how many items we have on this page
m_totalSize = 0;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
if (!control->IsVisible()) continue;
m_totalSize += Size(control) + m_itemGap;
}
if (m_totalSize > 0) m_totalSize -= m_itemGap;
// check our m_offset range
if (m_offset > m_totalSize - Size())
m_offset = m_totalSize - Size();
if (m_offset < 0) m_offset = 0;
}
EVENT_RESULT CGUIControlGroupList::OnMouseEvent(const CPoint &point, const CMouseEvent &event)
{
if (event.m_id == ACTION_MOUSE_WHEEL_UP || event.m_id == ACTION_MOUSE_WHEEL_DOWN)
{
// find the current control and move to the next or previous
float offset = 0;
for (ciControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
if (!control->IsVisible()) continue;
float nextOffset = offset + Size(control) + m_itemGap;
if (event.m_id == ACTION_MOUSE_WHEEL_DOWN && nextOffset > m_scroller.GetValue() && m_scroller.GetValue() < m_totalSize - Size()) // past our current offset
{
ScrollTo(nextOffset);
return EVENT_RESULT_HANDLED;
}
else if (event.m_id == ACTION_MOUSE_WHEEL_UP && nextOffset >= m_scroller.GetValue() && m_scroller.GetValue() > 0) // at least at our current offset
{
ScrollTo(offset);
return EVENT_RESULT_HANDLED;
}
offset = nextOffset;
}
}
else if (event.m_id == ACTION_GESTURE_BEGIN)
{ // grab exclusive access
CGUIMessage msg(GUI_MSG_EXCLUSIVE_MOUSE, GetID(), GetParentID());
SendWindowMessage(msg);
return EVENT_RESULT_HANDLED;
}
else if (event.m_id == ACTION_GESTURE_END)
{ // release exclusive access
CGUIMessage msg(GUI_MSG_EXCLUSIVE_MOUSE, 0, GetParentID());
SendWindowMessage(msg);
return EVENT_RESULT_HANDLED;
}
else if (event.m_id == ACTION_GESTURE_PAN)
{ // do the drag and validate our offset (corrects for end of scroll)
m_scroller.SetValue(CLAMP(m_scroller.GetValue() - ((m_orientation == HORIZONTAL) ? event.m_offsetX : event.m_offsetY), 0, m_totalSize - Size()));
SetInvalid();
return EVENT_RESULT_HANDLED;
}
return EVENT_RESULT_UNHANDLED;
}
CGUIControl *CGUIControlGroup::GetControl(int iControl)
{
CGUIControl *pPotential = NULL;
LookupMap::iterator first = m_lookup.find(iControl);
if (first != m_lookup.end())
{
LookupMap::iterator last = m_lookup.upper_bound(iControl);
for (LookupMap::iterator i = first; i != last; ++i)
{
CGUIControl *control = i->second;
if (control->IsVisible())
return control;
else if (!pPotential)
pPotential = control;
}
}
return pPotential;
}
void CGUIControlGroup::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
CPoint pos(GetPosition());
g_graphicsContext.SetOrigin(pos.x, pos.y);
CRect rect;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
control->UpdateVisibility();
unsigned int oldDirty = dirtyregions.size();
control->DoProcess(currentTime, dirtyregions);
if (control->IsVisible() || (oldDirty != dirtyregions.size())) // visible or dirty (was visible?)
rect.Union(control->GetRenderRegion());
}
g_graphicsContext.RestoreOrigin();
CGUIControl::Process(currentTime, dirtyregions);
m_renderRegion = rect;
}
void CGUIListGroup::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
CServiceBroker::GetWinSystem()->GetGfxContext().SetOrigin(m_posX, m_posY);
CRect rect;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
control->UpdateVisibility(m_item);
unsigned int oldDirty = dirtyregions.size();
control->DoProcess(currentTime, dirtyregions);
if (control->IsVisible() || (oldDirty != dirtyregions.size())) // visible or dirty (was visible?)
rect.Union(control->GetRenderRegion());
}
CServiceBroker::GetWinSystem()->GetGfxContext().RestoreOrigin();
CGUIControl::Process(currentTime, dirtyregions);
m_renderRegion = rect;
m_item = NULL;
}
void CGUIControlGroupList::UnfocusFromPoint(const CPoint &point)
{
float pos = 0;
CPoint controlCoords(point);
m_transform.InverseTransformPosition(controlCoords.x, controlCoords.y);
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *child = *it;
if (child->IsVisible())
{
if (pos + Size(child) > m_offset && pos < m_offset + Size())
{ // we're on screen
CPoint offset = (m_orientation == VERTICAL) ? CPoint(m_posX, m_posY + pos - m_offset) : CPoint(m_posX + pos - m_offset, m_posY);
child->UnfocusFromPoint(controlCoords - offset);
}
pos += Size(child) + m_itemGap;
}
}
CGUIControl::UnfocusFromPoint(point);
}
void CGUIControlGroupList::Render()
{
// we run through the controls, rendering as we go
bool render(g_graphicsContext.SetClipRegion(m_posX, m_posY, m_width, m_height));
float pos = GetAlignOffset();
float focusedPos = 0;
CGUIControl *focusedControl = NULL;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
// note we render all controls, even if they're offscreen, as then they'll be updated
// with respect to animations
CGUIControl *control = *it;
if (m_renderFocusedLast && control->HasFocus())
{
focusedControl = control;
focusedPos = pos;
}
else
{
if (m_orientation == VERTICAL)
g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_scroller.GetValue());
else
g_graphicsContext.SetOrigin(m_posX + pos - m_scroller.GetValue(), m_posY);
control->DoRender();
}
if (control->IsVisible())
pos += Size(control) + m_itemGap;
g_graphicsContext.RestoreOrigin();
}
if (focusedControl)
{
if (m_orientation == VERTICAL)
g_graphicsContext.SetOrigin(m_posX, m_posY + focusedPos - m_scroller.GetValue());
else
g_graphicsContext.SetOrigin(m_posX + focusedPos - m_scroller.GetValue(), m_posY);
focusedControl->DoRender();
}
if (render) g_graphicsContext.RestoreClipRegion();
CGUIControl::Render();
}
bool CGUIControlGroupList::OnMessage(CGUIMessage& message)
{
switch (message.GetMessage() )
{
case GUI_MSG_FOCUSED:
{ // a control has been focused
// scroll if we need to and update our page control
ValidateOffset();
float offset = 0;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
if (!control->IsVisible())
continue;
if (control->GetID() == message.GetControlId())
{
// find out whether this is the first or last control
if (IsFirstFocusableControl(control))
ScrollTo(0);
else if (IsLastFocusableControl(control))
ScrollTo(m_totalSize - Size());
else if (offset < m_scroller.GetValue())
ScrollTo(offset);
else if (offset + Size(control) > m_scroller.GetValue() + Size())
ScrollTo(offset + Size(control) - Size());
break;
}
offset += Size(control) + m_itemGap;
}
}
break;
case GUI_MSG_SETFOCUS:
{
// we've been asked to focus. We focus the last control if it's on this page,
// else we'll focus the first focusable control from our offset (after verifying it)
ValidateOffset();
// now check the focusControl's offset
float offset = 0;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
if (!control->IsVisible())
continue;
if (control->GetID() == m_focusedControl)
{
if (IsControlOnScreen(offset, control))
return CGUIControlGroup::OnMessage(message);
break;
}
offset += Size(control) + m_itemGap;
}
// find the first control on this page
offset = 0;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *control = *it;
if (!control->IsVisible())
continue;
if (control->CanFocus() && IsControlOnScreen(offset, control))
{
m_focusedControl = control->GetID();
break;
}
offset += Size(control) + m_itemGap;
}
}
break;
case GUI_MSG_PAGE_CHANGE:
{
if (message.GetSenderId() == m_pageControl)
{ // it's from our page control
ScrollTo((float)message.GetParam1());
return true;
}
}
break;
}
return CGUIControlGroup::OnMessage(message);
}
void CGUIControlGroupList::Render()
{
if (m_scrollSpeed != 0)
{
m_offset += m_scrollSpeed * (m_renderTime - m_scrollTime);
if (m_scrollSpeed < 0 && m_offset < m_scrollOffset ||
m_scrollSpeed > 0 && m_offset > m_scrollOffset)
{
m_offset = m_scrollOffset;
m_scrollSpeed = 0;
}
}
m_scrollTime = m_renderTime;
ValidateOffset();
if (m_pageControl)
{
CGUIMessage message(GUI_MSG_LABEL_RESET, GetParentID(), m_pageControl, (DWORD)m_height, (DWORD)m_totalSize);
SendWindowMessage(message);
CGUIMessage message2(GUI_MSG_ITEM_SELECT, GetParentID(), m_pageControl, (DWORD)m_offset);
SendWindowMessage(message2);
}
// we run through the controls, rendering as we go
bool render(g_graphicsContext.SetClipRegion(m_posX, m_posY, m_width, m_height));
float pos = 0;
float focusedPos = 0;
CGUIControl *focusedControl = NULL;
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
// note we render all controls, even if they're offscreen, as then they'll be updated
// with respect to animations
CGUIControl *control = *it;
control->UpdateVisibility();
if (m_renderFocusedLast && control->HasFocus())
{
focusedControl = control;
focusedPos = pos;
}
else
{
if (m_orientation == VERTICAL)
g_graphicsContext.SetOrigin(m_posX, m_posY + pos - m_offset);
else
g_graphicsContext.SetOrigin(m_posX + pos - m_offset, m_posY);
control->DoRender(m_renderTime);
}
if (control->IsVisible())
pos += Size(control) + m_itemGap;
g_graphicsContext.RestoreOrigin();
}
if (focusedControl)
{
if (m_orientation == VERTICAL)
g_graphicsContext.SetOrigin(m_posX, m_posY + focusedPos - m_offset);
else
g_graphicsContext.SetOrigin(m_posX + focusedPos - m_offset, m_posY);
focusedControl->DoRender(m_renderTime);
}
if (render) g_graphicsContext.RestoreClipRegion();
CGUIControl::Render();
}