/*************************************************************************
Recaculate all sub window size.
*************************************************************************/
void FalagardChatHistory::performWindowLayout(void)
{
Rect absarea(getTextRenderArea());
std::list< FalagardChatBoard* >::iterator it;
float fHeightNow = 0.0f;
for(it=m_listChatBoard.begin(); it!=m_listChatBoard.end(); it++)
{
FalagardChatBoard& child = *(*it);
if(child.getText().empty()) continue;
float childHeight = child.resizeSelf(absarea.getWidth());
child.setSize(Absolute, Size(absarea.getWidth(), childHeight));
child.setPosition(Absolute, Point(0.0f, fHeightNow-d_vertScrollbar->getScrollPosition()));
child.requestRedraw();
fHeightNow += childHeight;
//char dbgmsg[128] = {0};
//_snprintf(dbgmsg, 127, "FalagardChatHistory performWindowLayout fHeightNow:%f ScrollPos:%f, child YPos:%f\n",
// fHeightNow,d_vertScrollbar->getScrollPosition(),child.getAbsoluteYPosition());
//::OutputDebugString(dbgmsg);
}
d_totalHeight = fHeightNow + d_extendHeight;
configureScrollbars();
}
//----------------------------------------------------------------------------//
bool ScrollablePane::handleContentAreaChange(const EventArgs&)
{
// get updated extents of the content
const Rectf contentArea(getScrolledContainer()->getContentArea());
// calculate any change on the top and left edges.
const float xChange = contentArea.d_min.d_x - d_contentRect.d_min.d_x;
const float yChange = contentArea.d_min.d_y - d_contentRect.d_min.d_y;
// store new content extents information
d_contentRect = contentArea;
configureScrollbars();
// update scrollbar positions (which causes container pane to be moved as needed).
Scrollbar* const horzScrollbar = getHorzScrollbar();
horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition() - xChange);
Scrollbar* const vertScrollbar = getVertScrollbar();
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;
}
//----------------------------------------------------------------------------//
void ScrollablePane::onSized(ElementEventArgs& e)
{
configureScrollbars();
updateContainerPosition();
Window::onSized(e);
++e.handled;
}
void ScrollablePane::onSized(WindowEventArgs& e)
{
Window::onSized(e);
configureScrollbars();
updateContainerPosition();
e.handled = true;
}
/*************************************************************************
Causes the list box to update it's internal state after changes have
been made to one or more attached ListboxItem objects.
*************************************************************************/
void Listbox::handleUpdatedItemData(void)
{
if (d_sorted)
resortList();
configureScrollbars();
requestRedraw();
}
/*************************************************************************
Causes the list box to update it's internal state after changes have
been made to one or more attached ListboxItem objects.
*************************************************************************/
void Listbox::handleUpdatedItemData(void)
{
if (d_sorted)
resortList();
configureScrollbars();
invalidate();
}
/*************************************************************************
Handler for when we are sized
*************************************************************************/
void Listbox::onSized(WindowEventArgs& e)
{
// base class handling
Window::onSized(e);
configureScrollbars();
++e.handled;
}
/*************************************************************************
Handler for when we are sized
*************************************************************************/
void Tree::onSized(ElementEventArgs& e)
{
// base class handling
Window::onSized(e);
configureScrollbars();
++e.handled;
}
/*************************************************************************
Set whether the horizontal scroll bar should always be shown.
*************************************************************************/
void Tree::setShowHorzScrollbar(bool setting)
{
if (d_forceHorzScroll != setting)
{
d_forceHorzScroll = setting;
configureScrollbars();
WindowEventArgs args(this);
onHorzScrollbarModeChanged(args);
}
}
void ScrollablePane::setShowVertScrollbar(bool setting)
{
if (d_forceVertScroll != setting)
{
d_forceVertScroll = setting;
configureScrollbars();
WindowEventArgs args(this);
onVertScrollbarModeChanged(args);
}
}
/*************************************************************************
Initialise the Window based object ready for use.
*************************************************************************/
void Listbox::initialiseComponents(void)
{
// get the component sub-widgets
Scrollbar* vertScrollbar = getVertScrollbar();
Scrollbar* horzScrollbar = getHorzScrollbar();
vertScrollbar->subscribeEvent(Scrollbar::EventScrollPositionChanged, Event::Subscriber(&Listbox::handle_scrollChange, this));
horzScrollbar->subscribeEvent(Scrollbar::EventScrollPositionChanged, Event::Subscriber(&Listbox::handle_scrollChange, this));
configureScrollbars();
performChildWindowLayout();
}
void ScrollablePane::initialise(void)
{
String widgetName;
// create horizontal scrollbar
widgetName = d_name + "__auto_hscrollbar__";
d_horzScrollbar = createHorizontalScrollbar(widgetName);
// perform consistency checks on what we got back
assert(d_horzScrollbar != 0);
assert(d_horzScrollbar->getName() == widgetName);
// create vertical scrollbar
widgetName = d_name + "__auto_vscrollbar__";
d_vertScrollbar = createVerticalScrollbar(widgetName);
// perform consistency checks on what we got back
assert(d_vertScrollbar != 0);
assert(d_vertScrollbar->getName() == widgetName);
// create scrolled container widget
d_container =
static_cast<ScrolledContainer*>(WindowManager::getSingleton().createWindow(
ScrolledContainer::WidgetTypeName, d_name + "__auto_container__"));
// add child controls
addChildWindow(d_horzScrollbar);
addChildWindow(d_vertScrollbar);
addChildWindow(d_container);
// do a bit of initialisation
d_horzScrollbar->setAlwaysOnTop(true);
d_vertScrollbar->setAlwaysOnTop(true);
// container pane is always same size as this parent pane,
// scrolling is actually implemented via positioning and clipping tricks.
d_container->setSize(Relative, Size(1.0f, 1.0f));
// subscribe to events we need to hear about
d_vertScrollbar->subscribeEvent(
Scrollbar::EventScrollPositionChanged,
Event::Subscriber(&ScrollablePane::handleScrollChange, this));
d_horzScrollbar->subscribeEvent(
Scrollbar::EventScrollPositionChanged,
Event::Subscriber(&ScrollablePane::handleScrollChange, this));
d_container->subscribeEvent(
ScrolledContainer::EventContentChanged,
Event::Subscriber(&ScrollablePane::handleContentAreaChange, this));
d_container->subscribeEvent(
ScrolledContainer::EventAutoSizeSettingChanged,
Event::Subscriber(&ScrollablePane::handleAutoSizePaneChanged, this));
// finalise setup
configureScrollbars();
}
/*************************************************************************
Initialise the Window based object ready for use.
*************************************************************************/
void Listbox::initialise(void)
{
// create the component sub-widgets
d_vertScrollbar = createVertScrollbar(getName() + "__auto_vscrollbar__");
d_horzScrollbar = createHorzScrollbar(getName() + "__auto_hscrollbar__");
addChildWindow(d_vertScrollbar);
addChildWindow(d_horzScrollbar);
d_vertScrollbar->subscribeEvent(Scrollbar::EventScrollPositionChanged, Event::Subscriber(&Listbox::handle_scrollChange, this));
d_horzScrollbar->subscribeEvent(Scrollbar::EventScrollPositionChanged, Event::Subscriber(&Listbox::handle_scrollChange, this));
configureScrollbars();
performChildWindowLayout();
}
/*************************************************************************
Initialise the Window based object ready for use.
*************************************************************************/
void Tree::initialise(void)
{
// get WidgetLookFeel for the assigned look.
const WidgetLookFeel &wlf = WidgetLookManager::getSingleton().getWidgetLook(d_lookName);
const ImagerySection &tempOpenImagery = wlf.getImagerySection("OpenTreeButton");
const ImagerySection &tempCloseImagery = wlf.getImagerySection("CloseTreeButton");
d_openButtonImagery = &tempOpenImagery;
d_closeButtonImagery = &tempCloseImagery;
// create the component sub-widgets
d_vertScrollbar = createVertScrollbar("__auto_vscrollbar__");
d_horzScrollbar = createHorzScrollbar("__auto_hscrollbar__");
addChild(d_vertScrollbar);
addChild(d_horzScrollbar);
d_vertScrollbar->subscribeEvent(Scrollbar::EventScrollPositionChanged, Event::Subscriber(&Tree::handle_scrollChange, this));
d_horzScrollbar->subscribeEvent(Scrollbar::EventScrollPositionChanged, Event::Subscriber(&Tree::handle_scrollChange, this));
configureScrollbars();
performChildWindowLayout();
}
//----------------------------------------------------------------------------//
void ScrollablePane::initialiseComponents(void)
{
// get horizontal scrollbar
Scrollbar* horzScrollbar = getHorzScrollbar();
// get vertical scrollbar
Scrollbar* vertScrollbar = getVertScrollbar();
// get scrolled container widget
ScrolledContainer* container = getScrolledContainer();
// do a bit of initialisation
horzScrollbar->setAlwaysOnTop(true);
vertScrollbar->setAlwaysOnTop(true);
// container pane is always same size as this parent pane,
// scrolling is actually implemented via positioning and clipping tricks.
container->setSize(USize(cegui_reldim(1.0f), cegui_reldim(1.0f)));
// subscribe to events we need to hear about
vertScrollbar->subscribeEvent(
Scrollbar::EventScrollPositionChanged,
Event::Subscriber(&ScrollablePane::handleScrollChange, this));
horzScrollbar->subscribeEvent(
Scrollbar::EventScrollPositionChanged,
Event::Subscriber(&ScrollablePane::handleScrollChange, this));
d_contentChangedConn = container->subscribeEvent(
ScrolledContainer::EventContentChanged,
Event::Subscriber(&ScrollablePane::handleContentAreaChange, this));
d_autoSizeChangedConn = container->subscribeEvent(
ScrolledContainer::EventAutoSizeSettingChanged,
Event::Subscriber(&ScrollablePane::handleAutoSizePaneChanged, this));
// finalise setup
configureScrollbars();
}
bool ScrollablePane::handleContentAreaChange(const EventArgs& e)
{
assert(d_container != 0);
assert(d_horzScrollbar != 0);
assert(d_vertScrollbar != 0);
// get updated extents of the content
Rect contentArea(d_container->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).
d_horzScrollbar->setScrollPosition(d_horzScrollbar->getScrollPosition() - xChange);
d_vertScrollbar->setScrollPosition(d_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;
}
void ScrollablePane::setVerticalOverlapSize(float overlap)
{
d_vertOverlap = overlap;
configureScrollbars();
}
/*************************************************************************
Handler called internally when the list contents are changed
*************************************************************************/
void Listbox::onListContentsChanged(WindowEventArgs& e)
{
configureScrollbars();
invalidate();
fireEvent(EventListContentsChanged, e, EventNamespace);
}
void ScrollablePane::setHorizontalStepSize(float step)
{
d_horzStep = step;
configureScrollbars();
}
void ScrollablePane::setHorizontalOverlapSize(float overlap)
{
d_horzOverlap = overlap;
configureScrollbars();
}
/*************************************************************************
Format the text into lines as needed by the current formatting options.
*************************************************************************/
void MultiLineEditbox::formatText(void)
{
// clear old formatting data
d_lines.clear();
d_widestExtent = 0.0f;
String paraText;
const Font* fnt = getFont();
if (fnt != NULL)
{
float areaWidth = getTextRenderArea().getWidth();
String::size_type currPos = 0;
String::size_type paraLen;
LineInfo line;
while (currPos < d_text.length())
{
if ((paraLen = d_text.find_first_of(d_lineBreakChars, currPos)) == String::npos)
{
paraLen = d_text.length() - currPos;
}
else
{
++paraLen -= currPos;
}
paraText = d_text.substr(currPos, paraLen);
if (!d_wordWrap || (areaWidth <= 0.0f))
{
// no word wrapping, so we are just one long line.
line.d_startIdx = currPos;
line.d_length = paraLen;
line.d_extent = fnt->getTextExtent(paraText);
d_lines.push_back(line);
// update widest, if needed.
if (line.d_extent > d_widestExtent)
{
d_widestExtent = line.d_extent;
}
}
// must word-wrap the paragraph text
else
{
String::size_type lineIndex = 0;
// while there is text in the string
while (lineIndex < paraLen)
{
String::size_type lineLen = 0;
float lineExtent = 0.0f;
// loop while we have not reached the end of the paragraph string
while (lineLen < (paraLen - lineIndex))
{
// get cp / char count of next token
size_t nextTokenSize = getNextTokenLength(paraText, lineIndex + lineLen);
// get pixel width of the token
float tokenExtent = fnt->getTextExtent(paraText.substr(lineIndex + lineLen, nextTokenSize));
// would adding this token would overflow the available width
if ((lineExtent + tokenExtent) > areaWidth)
{
// Was this the first token?
if (lineLen == 0)
{
// get point at which to break the token
lineLen = fnt->getCharAtPixel(paraText.substr(lineIndex, nextTokenSize), areaWidth);
}
// text wraps, exit loop early with line info up until wrap point
break;
}
// add this token to current line
lineLen += nextTokenSize;
lineExtent += tokenExtent;
}
// set up line info and add to collection
line.d_startIdx = currPos + lineIndex;
line.d_length = lineLen;
line.d_extent = lineExtent;
d_lines.push_back(line);
// update widest, if needed.
if (lineExtent > d_widestExtent)
{
d_widestExtent = lineExtent;
}
// update position in string
lineIndex += lineLen;
}
}
// skip to next 'paragraph' in text
currPos += paraLen;
}
}
configureScrollbars();
requestRedraw();
}
/*************************************************************************
Causes the tree to update it's internal state after changes have
been made to one or more attached TreeItem objects.
*************************************************************************/
void Tree::handleUpdatedItemData(void)
{
configureScrollbars();
invalidate();
}
/*************************************************************************
Handler called internally when the list contents are changed
*************************************************************************/
void Listbox::onListContentsChanged(WindowEventArgs& e)
{
configureScrollbars();
requestRedraw();
fireEvent(EventListContentsChanged, e, EventNamespace);
}
void ScrollablePane::setVerticalStepSize(float step)
{
d_vertStep = step;
configureScrollbars();
}
/*************************************************************************
Handler for when mouse button is pressed
*************************************************************************/
void Tree::onMouseButtonDown(MouseEventArgs& e)
{
// base class processing
// populateGeometryBuffer();
Window::onMouseButtonDown(e);
if (e.button == LeftButton)
{
//bool modified = false;
Vector2f localPos(CoordConverter::screenToWindow(*this, e.position));
// Point localPos(screenToWindow(e.position));
TreeItem* item = getItemAtPoint(localPos);
if (item != 0)
{
//modified = true;
TreeEventArgs args(this);
args.treeItem = item;
populateGeometryBuffer();
Rectf buttonLocation = item->getButtonLocation();
if ((localPos.d_x >= buttonLocation.left()) && (localPos.d_x <= buttonLocation.right()) &&
(localPos.d_y >= buttonLocation.top()) && (localPos.d_y <= buttonLocation.bottom()))
{
item->toggleIsOpen();
if (item->getIsOpen())
{
TreeItem *lastItemInList = item->getTreeItemFromIndex(item->getItemCount() - 1);
ensureItemIsVisible(lastItemInList);
ensureItemIsVisible(item);
onBranchOpened(args);
}
else
{
onBranchClosed(args);
}
// Update the item screen locations, needed to update the scrollbars.
// populateGeometryBuffer();
// Opened or closed a tree branch, so must update scrollbars.
configureScrollbars();
}
else
{
// clear old selections if no control key is pressed or if multi-select is off
if (!(e.sysKeys & Control) || !d_multiselect)
clearAllSelections_impl();
// select range or item, depending upon keys and last selected item
#if 0 // TODO: fix this
if (((e.sysKeys & Shift) && (d_lastSelected != 0)) && d_multiselect)
selectRange(getItemIndex(item), getItemIndex(d_lastSelected));
else
#endif
item->setSelected(item->isSelected() ^ true);
// update last selected item
d_lastSelected = item->isSelected() ? item : 0;
onSelectionChanged(args);
}
}
else
{
// clear old selections if no control key is pressed or if multi-select is off
if (!(e.sysKeys & Control) || !d_multiselect)
{
if (clearAllSelections_impl())
{
// Changes to the selections were actually made
TreeEventArgs args(this);
args.treeItem = item;
onSelectionChanged(args);
}
}
}
++e.handled;
}
}
/*************************************************************************
Causes the list box to update it's internal state after changes have
been made to one or more attached ListboxItem objects.
*************************************************************************/
void Listbox::handleUpdatedItemData(void)
{
configureScrollbars();
requestRedraw();
}