bool CGUITextBox::OnMessage(CGUIMessage& message)
{
if (message.GetControlId() == GetID())
{
if (message.GetMessage() == GUI_MSG_LABEL_SET)
{
m_offset = 0;
m_scrollOffset = 0;
ResetAutoScrolling();
CGUITextLayout::Reset();
m_info.SetLabel(message.GetLabel(), "", GetParentID());
}
if (message.GetMessage() == GUI_MSG_LABEL_RESET)
{
m_offset = 0;
m_scrollOffset = 0;
ResetAutoScrolling();
CGUITextLayout::Reset();
UpdatePageControl();
SetInvalid();
}
if (message.GetMessage() == GUI_MSG_PAGE_CHANGE)
{
if (message.GetSenderId() == m_pageControl)
{ // update our page
Scroll(message.GetParam1());
return true;
}
}
}
return CGUIControl::OnMessage(message);
}
void CGUIBaseContainer::Reset()
{
m_wasReset = true;
m_items.clear();
m_lastItem.reset();
ResetAutoScrolling();
}
void CGUITextBox::Scroll(unsigned int offset)
{
ResetAutoScrolling();
if (m_lines.size() <= m_itemsPerPage)
return; // no need to scroll
if (offset > m_lines.size() - m_itemsPerPage)
offset = m_lines.size() - m_itemsPerPage; // on last page
ScrollToOffset(offset);
}
void CGUIBaseContainer::DoProcess(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
CGUIControl::DoProcess(currentTime, dirtyregions);
if (m_pageChangeTimer.IsRunning() && m_pageChangeTimer.GetElapsedMilliseconds() > 200)
m_pageChangeTimer.Stop();
m_wasReset = false;
// if not visible, we reset the autoscroll timer
if (!IsVisible() && m_autoScrollMoveTime)
{
ResetAutoScrolling();
}
}
void CGUITextBox::DoProcess(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
CGUIControl::DoProcess(currentTime, dirtyregions);
// if not visible, we reset the autoscroll timer and positioning
if (!IsVisible() && m_autoScrollTime)
{
ResetAutoScrolling();
m_lastRenderTime = 0;
m_offset = 0;
m_scrollOffset = 0;
m_scrollSpeed = 0;
}
}
void CGUIBaseContainer::UpdateAutoScrolling(unsigned int currentTime)
{
if (m_autoScrollCondition && m_autoScrollCondition->Get())
{
if (m_lastRenderTime)
m_autoScrollDelayTime += currentTime - m_lastRenderTime;
if (m_autoScrollDelayTime > (unsigned int)m_autoScrollMoveTime && !m_scroller.IsScrolling())
{ // delay is finished - start moving
m_autoScrollDelayTime = 0;
// Move up or down whether reversed moving is true or false
m_autoScrollIsReversed ? MoveUp(true) : MoveDown(true);
}
}
else
ResetAutoScrolling();
}
void CGUITextBox::UpdateInfo(const CGUIListItem *item)
{
m_textColor = m_label.textColor;
if (!CGUITextLayout::Update(item ? m_info.GetItemLabel(item) : m_info.GetLabel(m_parentID), m_width))
return; // nothing changed
// needed update, so reset to the top of the textbox and update our sizing/page control
SetInvalid();
m_offset = 0;
m_scrollOffset = 0;
ResetAutoScrolling();
m_itemHeight = m_font ? m_font->GetLineHeight() : 10;
float textHeight = m_font ? m_font->GetTextHeight(m_lines.size()) : m_itemHeight * m_lines.size();
float maxHeight = m_height ? m_height : textHeight;
m_renderHeight = m_minHeight ? CLAMP(textHeight, m_minHeight, maxHeight) : m_height;
m_itemsPerPage = (unsigned int)(m_renderHeight / m_itemHeight);
UpdatePageControl();
}
// scrolls the said amount
void CGUIBaseContainer::Scroll(int amount)
{
ResetAutoScrolling();
ScrollToOffset(GetOffset() + amount);
}
void CGUITextBox::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
// update our auto-scrolling as necessary
if (m_autoScrollTime && m_lines.size() > m_itemsPerPage)
{
if ((!m_autoScrollCondition || m_autoScrollCondition->Get()) && !g_application.ScreenSaverDisablesAutoScrolling())
{
if (m_lastRenderTime)
m_autoScrollDelayTime += currentTime - m_lastRenderTime;
if (m_autoScrollDelayTime > (unsigned int)m_autoScrollDelay && m_scrollSpeed == 0)
{ // delay is finished - start scrolling
MarkDirtyRegion();
if (m_offset < (int)m_lines.size() - m_itemsPerPage)
ScrollToOffset(m_offset + 1, true);
else
{ // at the end, run a delay and restart
if (m_autoScrollRepeatAnim)
{
if (m_autoScrollRepeatAnim->GetState() == ANIM_STATE_NONE)
m_autoScrollRepeatAnim->QueueAnimation(ANIM_PROCESS_NORMAL);
else if (m_autoScrollRepeatAnim->GetState() == ANIM_STATE_APPLIED)
{ // reset to the start of the list and start the scrolling again
m_offset = 0;
m_scrollOffset = 0;
ResetAutoScrolling();
}
}
}
}
}
else if (m_autoScrollCondition)
ResetAutoScrolling(); // conditional is false, so reset the autoscrolling
}
// render the repeat anim as appropriate
if (m_autoScrollRepeatAnim)
{
if (m_autoScrollRepeatAnim->GetProcess() != ANIM_PROCESS_NONE)
MarkDirtyRegion();
m_autoScrollRepeatAnim->Animate(currentTime, true);
TransformMatrix matrix;
m_autoScrollRepeatAnim->RenderAnimation(matrix);
m_cachedTextMatrix = g_graphicsContext.AddTransform(matrix);
}
// update our scroll position as necessary
if (m_scrollSpeed != 0)
MarkDirtyRegion();
if (m_lastRenderTime)
m_scrollOffset += m_scrollSpeed * (currentTime - m_lastRenderTime);
if ((m_scrollSpeed < 0 && m_scrollOffset < m_offset * m_itemHeight) ||
(m_scrollSpeed > 0 && m_scrollOffset > m_offset * m_itemHeight))
{
m_scrollOffset = m_offset * m_itemHeight;
m_scrollSpeed = 0;
}
m_lastRenderTime = currentTime;
if (m_pageControl)
{
CGUIMessage msg(GUI_MSG_ITEM_SELECT, GetID(), m_pageControl, MathUtils::round_int(m_scrollOffset / m_itemHeight));
SendWindowMessage(msg);
}
CGUIControl::Process(currentTime, dirtyregions);
if (m_autoScrollRepeatAnim)
g_graphicsContext.RemoveTransform();
}
