//----------------------------------------------------------------------------//
bool ScrollablePane::handleContentAreaChange(const EventArgs&)
{
Scrollbar* vertScrollbar = getVertScrollbar();
Scrollbar* horzScrollbar = getHorzScrollbar();
// get updated extents of the content
Rect contentArea(getScrolledContainer()->getContentArea());
// calculate any change on the top and left edges.
float xChange = contentArea.d_left - d_contentRect.d_left;
float yChange = contentArea.d_top - d_contentRect.d_top;
// store new content extents information
d_contentRect = contentArea;
configureScrollbars();
// update scrollbar positions (which causes container pane to be moved as needed).
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition() - xChange);
vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition() - yChange);
// this call may already have been made if the scroll positions changed. The call
// is required here for cases where the top/left 'bias' has changed; in which
// case the scroll position notification may or may not have been fired.
if (xChange || yChange)
updateContainerPosition();
// fire event
WindowEventArgs args(this);
onContentPaneChanged(args);
return true;
}
bool GVEvent::HandYMove(const CEGUI::EventArgs& args)
{
Scrollbar *sb = static_cast<Scrollbar*>(
static_cast<const WindowEventArgs&> (args).window);
static float yoldPos= DEFAULT_YTRANS;
float curmove = sb->getScrollPosition() - yoldPos;
yoldPos = sb->getScrollPosition();
GetInst(GoodsRender).SetTranAdd(0,curmove,0);
return true;
}
bool GVEvent::HandZRot(const CEGUI::EventArgs& args)
{
Scrollbar *sb = static_cast<Scrollbar*>(
static_cast<const WindowEventArgs&> (args).window);
static float oldpos = 180;
float curval = sb->getScrollPosition() - oldpos;
oldpos = sb->getScrollPosition();
GetInst(GoodsRender).ReSetRotAngle(D3DXToRadian(0),D3DXToRadian(0),D3DXToRadian(curval));
return true;
}
/************************************************************************
Configure scroll bars
************************************************************************/
void ScrolledItemListBase::configureScrollbars(const Size& doc_size)
{
Scrollbar* v = getVertScrollbar();
Scrollbar* h = getHorzScrollbar();
Size render_area_size = getItemRenderArea().getSize();
// setup the pane size
float pane_size_w = ceguimax(doc_size.d_width, render_area_size.d_width);
UVector2 pane_size(cegui_absdim(pane_size_w), cegui_absdim(doc_size.d_height));
d_pane->setMinSize(pane_size);
d_pane->setMaxSize(pane_size);
//d_pane->setWindowSize(pane_size);
// "fix" scrollbar visibility
if (d_forceVScroll || doc_size.d_height > render_area_size.d_height)
{
v->show();
}
else
{
v->hide();
}
//render_area_size = getItemRenderArea().getSize();
if (d_forceHScroll || doc_size.d_width > render_area_size.d_width)
{
h->show();
}
else
{
h->hide();
}
// get a fresh item render area
Rect render_area = getItemRenderArea();
render_area_size = render_area.getSize();
// update the pane clipper area
static_cast<ClippedContainer*>(d_pane)->setClipArea(render_area);
// setup vertical scrollbar
v->setDocumentSize(doc_size.d_height);
v->setPageSize(render_area_size.d_height);
v->setStepSize(ceguimax(1.0f, render_area_size.d_height / 10.0f));
v->setScrollPosition(v->getScrollPosition());
// setup horizontal scrollbar
h->setDocumentSize(doc_size.d_width);
h->setPageSize(render_area_size.d_width);
h->setStepSize(ceguimax(1.0f, render_area_size.d_width / 10.0f));
h->setScrollPosition(h->getScrollPosition());
}
bool GuiConfig::handleMusicVolChanged(const CEGUI::EventArgs& e)
{
Scrollbar *pcb = (Scrollbar*)winMgr.getWindow("MUSICVOLUME");
GConfig->SetQuality("MUSICVOLUME", (int)(pcb->getScrollPosition()) );
GProtoGui->MusicVolumeChanged();
return true;
}
bool ScrolledItemListBase::handle_HScroll(const EventArgs& e)
{
const WindowEventArgs& we = static_cast<const WindowEventArgs&>(e);
Scrollbar* h = static_cast<Scrollbar*>(we.window);
float newpos = -h->getScrollPosition();
d_pane->setXPosition(cegui_absdim(newpos));
return true;
}
bool GVEvent::HandScal(const CEGUI::EventArgs& args)
{
Scrollbar *sb = static_cast<Scrollbar*>(
static_cast<const WindowEventArgs&> (args).window);
float scal = sb->getScrollPosition() / sb->getDocumentSize() * DEFAULT_SCALE ;
GetInst(GoodsRender).ResetScal(scal);
return true;
}
/************************************************************************
Event subscribers for scrolling
************************************************************************/
bool ScrolledItemListBase::handle_VScroll(const EventArgs& e)
{
const WindowEventArgs& we = static_cast<const WindowEventArgs&>(e);
Scrollbar* v = static_cast<Scrollbar*>(we.window);
Rect render_area = getItemRenderArea();
float newpos = -v->getScrollPosition()+render_area.d_top;
d_pane->setYPosition(cegui_absdim(newpos));
return true;
}
/*************************************************************************
Handler for mouse wheel changes
*************************************************************************/
void Listbox::onMouseWheel(MouseEventArgs& e)
{
// base class processing.
Window::onMouseWheel(e);
Scrollbar* vertScrollbar = getVertScrollbar();
Scrollbar* horzScrollbar = getHorzScrollbar();
if (vertScrollbar->isVisible() && (vertScrollbar->getDocumentSize() > vertScrollbar->getPageSize()))
{
vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition() + vertScrollbar->getStepSize() * -e.wheelChange);
}
else if (horzScrollbar->isVisible() && (horzScrollbar->getDocumentSize() > horzScrollbar->getPageSize()))
{
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition() + horzScrollbar->getStepSize() * -e.wheelChange);
}
++e.handled;
}
//----------------------------------------------------------------------------//
void ScrollablePane::configureScrollbars(void)
{
// controls should all be valid by this stage
Scrollbar* vertScrollbar = getVertScrollbar();
Scrollbar* horzScrollbar = getHorzScrollbar();
// enable required scrollbars
vertScrollbar->setVisible(isVertScrollbarNeeded());
horzScrollbar->setVisible(isHorzScrollbarNeeded());
// Check if the addition of the horizontal scrollbar means we
// now also need the vertical bar.
if (horzScrollbar->isVisible())
{
vertScrollbar->setVisible(isVertScrollbarNeeded());
}
performChildWindowLayout();
// get viewable area
Rect viewableArea(getViewableArea());
// set up vertical scroll bar values
vertScrollbar->setDocumentSize(fabsf(d_contentRect.getHeight()));
vertScrollbar->setPageSize(viewableArea.getHeight());
vertScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertStep));
vertScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertOverlap));
vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition());
// set up horizontal scroll bar values
horzScrollbar->setDocumentSize(fabsf(d_contentRect.getWidth()));
horzScrollbar->setPageSize(viewableArea.getWidth());
horzScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzStep));
horzScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzOverlap));
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition());
}
/*************************************************************************
Ensure the item at the specified index is visible within the list box.
*************************************************************************/
void Listbox::ensureItemIsVisible(size_t item_index)
{
Scrollbar* vertScrollbar = getVertScrollbar();
// handle simple "scroll to the bottom" case
if (item_index >= getItemCount())
{
vertScrollbar->setScrollPosition(vertScrollbar->getDocumentSize() - vertScrollbar->getPageSize());
}
else
{
float bottom;
float listHeight = getListRenderArea().getHeight();
float top = 0;
// get height to top of item
size_t i;
for (i = 0; i < item_index; ++i)
{
top += d_listItems[i]->getPixelSize().d_height;
}
// calculate height to bottom of item
bottom = top + d_listItems[i]->getPixelSize().d_height;
// account for current scrollbar value
float currPos = vertScrollbar->getScrollPosition();
top -= currPos;
bottom -= currPos;
// if top is above the view area, or if item is too big to fit
if ((top < 0.0f) || ((bottom - top) > listHeight))
{
// scroll top of item to top of box.
vertScrollbar->setScrollPosition(currPos + top);
}
// if bottom is below the view area
else if (bottom >= listHeight)
{
// position bottom of item at the bottom of the list
vertScrollbar->setScrollPosition(currPos + bottom - listHeight);
}
// Item is already fully visible - nothing more to do.
}
}
bool handleTabPadding(const EventArgs& e)
{
Scrollbar* sb = static_cast<Scrollbar*>(
static_cast<const WindowEventArgs&>(e).window);
// Check if the window exists
Window* root = d_guiContext->getRootWindow();
if (root->isChild("Frame/TabControl"))
{
static_cast<TabControl*>(root->getChild(
"Frame/TabControl"))->setTabTextPadding(
UDim(0, sb->getScrollPosition()));
}
return true;
}
bool handleTabHeight(const EventArgs& e)
{
Scrollbar* sb = static_cast<Scrollbar*>(
static_cast<const WindowEventArgs&>(e).window);
// Check if the window exists
Window* root = d_guiContext->getRootWindow();
if (root->isChild("Frame/TabControl"))
{
static_cast<TabControl*>(root->getChild(
"Frame/TabControl"))->setTabHeight(
UDim(0, sb->getScrollPosition()));
}
// The return value mainly sais that we handled it, not if something failed.
return true;
}
/************************************************************************
Handle mouse wheel event
************************************************************************/
void ScrolledItemListBase::onMouseWheel(MouseEventArgs& e)
{
ItemListBase::onMouseWheel(e);
size_t count = getItemCount();
Scrollbar* v = getVertScrollbar();
// dont do anything if we are no using scrollbars
// or have'nt got any items
if (!v->isVisible(true) || !count)
{
return;
}
float pixH = d_pane->getUnclippedOuterRect().getHeight();
float delta = (pixH/float(count)) * -e.wheelChange;
v->setScrollPosition(v->getScrollPosition() + delta);
++e.handled;
}
void CPFRotatingText::renderRotatingText()
{
Font* font = d_window->getFont();
// can't render text without a font :)
if( font==NULL){
return;
}
// get destination area for the text.
Rect absarea(getTextRenderArea());
Rect clipper(absarea);
float textHeight = font->getFormattedLineCount(d_window->getText(), absarea, (TextFormatting)d_horzFormatting) * font->getLineSpacing();
Scrollbar* vertScrollbar = getVertScrollbar();
Scrollbar* horzScrollbar = getHorzScrollbar();
// calculate X offset
static float xOffset = horzScrollbar->getPageSize();
if( xOffset<-(horzScrollbar->getDocumentSize()+horzScrollbar->getPageSize()) ){
xOffset = horzScrollbar->getPageSize();
}
static boost::system_time previous_time = boost::get_system_time();
boost::system_time time = boost::get_system_time();
boost::system_time::time_duration_type time_step = (time-previous_time);
xOffset -= (static_cast<float>(time_step.total_milliseconds())*d_textSpeed);
previous_time = time;
absarea.offset(Point(xOffset, 0));
// see if we may need to adjust horizontal position
if( horzScrollbar->isVisible() ){
switch(d_horzFormatting)
{
case LeftAligned:
case WordWrapLeftAligned:
case Justified:
case WordWrapJustified:
absarea.offset(Point(-horzScrollbar->getScrollPosition(), 0));
break;
case Centred:
case WordWrapCentred:
absarea.setWidth(horzScrollbar->getDocumentSize());
absarea.offset(Point(-horzScrollbar->getScrollPosition(), 0));
break;
case RightAligned:
case WordWrapRightAligned:
absarea.offset(Point(horzScrollbar->getScrollPosition(), 0));
break;
}
}
// adjust y positioning according to formatting option
switch(d_vertFormatting)
{
case TopAligned:
absarea.d_top -= vertScrollbar->getScrollPosition();
break;
case VertCentred:
// if scroll bar is in use, act like TopAligned
if( vertScrollbar->isVisible() ){
absarea.d_top -= vertScrollbar->getScrollPosition();
}
// no scroll bar, so centre text instead.
else{
absarea.d_top += PixelAligned((absarea.getHeight() - textHeight) * 0.5f);
}
break;
case BottomAligned:
absarea.d_top = absarea.d_bottom - textHeight;
absarea.d_top += vertScrollbar->getScrollPosition();
break;
}
// offset the font little down so that it's centered within its own spacing
absarea.d_top += (font->getLineSpacing() - font->getFontHeight()) * 0.5f;
// calculate final colours
ColourRect final_cols(d_textCols);
final_cols.modulateAlpha(d_window->getEffectiveAlpha());
// cache the text for rendering.
d_window->getRenderCache().cacheText(d_window->getText(), font, (TextFormatting)d_horzFormatting, absarea, 0, final_cols, &clipper);
}
/*************************************************************************
display required integrated scroll bars according to current state
of the list box and update their values.
*************************************************************************/
void Listbox::configureScrollbars(void)
{
Scrollbar* vertScrollbar;
Scrollbar* horzScrollbar;
try
{
vertScrollbar = static_cast<Scrollbar*>(WindowManager::getSingleton().getWindow(getName() + "__auto_vscrollbar__"));
horzScrollbar = static_cast<Scrollbar*>(WindowManager::getSingleton().getWindow(getName() + "__auto_hscrollbar__"));
}
catch (UnknownObjectException)
{
// no scrollbars? Can't configure then!
return;
}
float totalHeight = getTotalItemsHeight();
float widestItem = getWidestItemWidth();
//
// First show or hide the scroll bars as needed (or requested)
//
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
}
else
{
horzScrollbar->hide();
}
}
else
{
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
}
else
{
vertScrollbar->hide();
}
}
else
{
vertScrollbar->hide();
horzScrollbar->hide();
}
}
//
// Set up scroll bar values
//
Rect renderArea(getListRenderArea());
vertScrollbar->setDocumentSize(totalHeight);
vertScrollbar->setPageSize(renderArea.getHeight());
vertScrollbar->setStepSize(ceguimax(1.0f, renderArea.getHeight() / 10.0f));
vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition());
horzScrollbar->setDocumentSize(widestItem);
horzScrollbar->setPageSize(renderArea.getWidth());
horzScrollbar->setStepSize(ceguimax(1.0f, renderArea.getWidth() / 10.0f));
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition());
}
//----------------------------------------------------------------------------//
float ScrollablePane::getHorizontalScrollPosition(void) const
{
Scrollbar* horzScrollbar = getHorzScrollbar();
float docSz = horzScrollbar->getDocumentSize();
return (docSz != 0) ? horzScrollbar->getScrollPosition() / docSz : 0.0f;
}
/*************************************************************************
display required integrated scroll bars according to current state
of the list box and update their values.
*************************************************************************/
void Listbox::configureScrollbars(void)
{
Scrollbar* vertScrollbar = getVertScrollbar();
Scrollbar* horzScrollbar = getHorzScrollbar();
float totalHeight = getTotalItemsHeight();
float widestItem = getWidestItemWidth();
//
// First show or hide the scroll bars as needed (or requested)
//
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
}
else
{
horzScrollbar->hide();
}
}
else
{
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getListRenderArea().getWidth()) || d_forceHorzScroll)
{
horzScrollbar->show();
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getListRenderArea().getHeight()) || d_forceVertScroll)
{
vertScrollbar->show();
}
else
{
vertScrollbar->hide();
}
}
else
{
vertScrollbar->hide();
horzScrollbar->hide();
}
}
//
// Set up scroll bar values
//
Rect renderArea(getListRenderArea());
vertScrollbar->setDocumentSize(totalHeight);
vertScrollbar->setPageSize(renderArea.getHeight());
vertScrollbar->setStepSize(ceguimax(1.0f, renderArea.getHeight() / 10.0f));
vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition());
horzScrollbar->setDocumentSize(widestItem);
horzScrollbar->setPageSize(renderArea.getWidth());
horzScrollbar->setStepSize(ceguimax(1.0f, renderArea.getWidth() / 10.0f));
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition());
}
bool GuiConfig::handleSFXVolChanged(const CEGUI::EventArgs& e)
{
Scrollbar *pcb = (Scrollbar*)winMgr.getWindow("SFXVOLUME");
GConfig->SetQuality("SFXVOLUME", (int)pcb->getScrollPosition() );
return true;
}
//----------------------------------------------------------------------------//
float ScrollablePane::getVerticalScrollPosition(void) const
{
Scrollbar* vertScrollbar = getVertScrollbar();
float docSz = vertScrollbar->getDocumentSize();
return (docSz != 0) ? vertScrollbar->getScrollPosition() / docSz : 0.0f;
}