//----------------------------------------------------------------------------//
void OpenGL3GeometryBuffer::setClippingRegion(const Rectf& region)
{
d_clipRect.top(ceguimax(0.0f, region.top()));
d_clipRect.left(ceguimax(0.0f, region.left()));
d_clipRect.bottom(ceguimax(0.0f, region.bottom()));
d_clipRect.right(ceguimax(0.0f, region.right()));
}
//----------------------------------------------------------------------------//
void OpenGLGeometryBuffer::setClippingRegion(const Rect& region)
{
d_clipRect.d_top = ceguimax(0.0f, PixelAligned(region.d_top));
d_clipRect.d_bottom = ceguimax(0.0f, PixelAligned(region.d_bottom));
d_clipRect.d_left = ceguimax(0.0f, PixelAligned(region.d_left));
d_clipRect.d_right = ceguimax(0.0f, PixelAligned(region.d_right));
}
/*************************************************************************
Handler called whenever the mouse moves while dragging a segment
*************************************************************************/
bool ListHeader::segmentDragHandler(const EventArgs&)
{
// what we do here is monitor the position and scroll if we can when mouse is outside area.
// get mouse position as something local
const Vector2f localMousePos(CoordConverter::screenToWindow(*this,
getUnprojectedPosition(getGUIContext().
getMouseCursor().getPosition())));
// scroll left?
if (localMousePos.d_x < 0.0f)
{
if (d_segmentOffset > 0.0f)
{
setSegmentOffset(ceguimax(0.0f, d_segmentOffset - ScrollSpeed));
}
}
// scroll right?
else if (localMousePos.d_x >= d_pixelSize.d_width)
{
float maxOffset = ceguimax(0.0f, getTotalSegmentsPixelExtent() - d_pixelSize.d_width);
// if we have not scrolled to the limit
if (d_segmentOffset < maxOffset)
{
// scroll, but never beyond the limit
setSegmentOffset(ceguimin(maxOffset, d_segmentOffset + ScrollSpeed));
}
}
return true;
}
float colour::getLumination(void) const
{
float pMax = ceguimax(ceguimax(d_red, d_green), d_blue);
float pMin = ceguimin(ceguimin(d_red, d_green), d_blue);
float pLum = (pMax + pMin) / 2;
return pLum;
}
/*************************************************************************
Return the horizontal pixel extent given text would be formatted to.
*************************************************************************/
float Font::getFormattedTextExtent(const String& text, const Rect& format_area, TextFormatting fmt, float x_scale)
{
float lineWidth;
float widest = 0;
size_t lineStart = 0, lineEnd = 0;
String currLine;
while (lineEnd < text.length())
{
if ((lineEnd = text.find_first_of('\n', lineStart)) == String::npos)
{
lineEnd = text.length();
}
currLine = text.substr(lineStart, lineEnd - lineStart);
lineStart = lineEnd + 1; // +1 to skip \n char
switch(fmt)
{
case Centred:
case RightAligned:
case LeftAligned:
lineWidth = getTextExtent(currLine, x_scale);
break;
case Justified:
// usually we use the width of the rect but we have to ensure the current line is not wider than that
lineWidth = ceguimax(format_area.getWidth(), getTextExtent(currLine, x_scale));
break;
case WordWrapLeftAligned:
case WordWrapRightAligned:
case WordWrapCentred:
lineWidth = getWrappedTextExtent(currLine, format_area.getWidth(), x_scale);
break;
case WordWrapJustified:
// same as above
lineWidth = ceguimax(format_area.getWidth(), getWrappedTextExtent(currLine, format_area.getWidth(), x_scale));
break;
default:
throw InvalidRequestException("Font::getFormattedTextExtent - Unknown or unsupported TextFormatting value specified.");
}
if (lineWidth > widest)
{
widest = lineWidth;
}
}
return widest;
}
/************************************************************************
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());
}
void FalagardScrollbar::changeStateOfButtons(void)
{
float max_pos = ceguimax((d_documentSize - d_pageSize), 0.0f);
//иак╦
if(!d_increase || !d_decrease) return;
if(max_pos <= 0.0f)
{
static_cast<FalagardButton*>(d_increase)->enableAnimate(false);
static_cast<FalagardButton*>(d_decrease)->enableAnimate(false);
return;
}
if(d_position == 0.0f)
{
static_cast<FalagardButton*>(d_increase)->enableAnimate(true);
static_cast<FalagardButton*>(d_decrease)->enableAnimate(false);
}
else if(d_position == max_pos)
{
static_cast<FalagardButton*>(d_increase)->enableAnimate(false);
static_cast<FalagardButton*>(d_decrease)->enableAnimate(true);
}
else
{
static_cast<FalagardButton*>(d_increase)->enableAnimate(true);
static_cast<FalagardButton*>(d_decrease)->enableAnimate(true);
}
}
//----------------------------------------------------------------------------//
void ScrollablePane::configureScrollbars(void)
{
// controls should all be valid by this stage
Scrollbar* const vertScrollbar = getVertScrollbar();
Scrollbar* const horzScrollbar = getHorzScrollbar();
const bool horzScrollBarWasVisible = horzScrollbar->isVisible();
const bool vertScrollBarWasVisible = vertScrollbar->isVisible();
// 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());
if (horzScrollBarWasVisible != horzScrollbar->isVisible() ||
vertScrollBarWasVisible != vertScrollbar->isVisible())
{
ElementEventArgs args(this);
onSized(args);
}
performChildWindowLayout();
// get viewable area
const Rectf 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());
}
void FalagardListbox::render()
{
Listbox* lb = (Listbox*)d_window;
// render frame and stuff before we handle the items
cacheListboxBaseImagery();
//
// Render list items
//
Vector3 itemPos;
Size itemSize;
Rect itemClipper, itemRect;
float widest = lb->getWidestItemWidth();
// calculate position of area we have to render into
Rect itemsArea(getListRenderArea());
// set up some initial positional details for items
itemPos.d_x = itemsArea.d_left - lb->getHorzScrollbar()->getScrollPosition();
itemPos.d_y = itemsArea.d_top - lb->getVertScrollbar()->getScrollPosition();
itemPos.d_z = System::getSingleton().getRenderer()->getZLayer(3) - System::getSingleton().getRenderer()->getCurrentZ();
float alpha = lb->getEffectiveAlpha();
// loop through the items
size_t itemCount = lb->getItemCount();
for (size_t i = 0; i < itemCount; ++i)
{
ListboxItem* listItem = lb->getListboxItemFromIndex(i);
itemSize.d_height = listItem->getPixelSize().d_height;
// allow item to have full width of box if this is wider than items
itemSize.d_width = ceguimax(itemsArea.getWidth(), widest);
// calculate destination area for this item.
itemRect.d_left = itemPos.d_x;
itemRect.d_top = itemPos.d_y;
itemRect.setSize(itemSize);
itemClipper = itemRect.getIntersection(itemsArea);
// skip this item if totally clipped
if (itemClipper.getWidth() == 0)
{
itemPos.d_y += itemSize.d_height;
continue;
}
// draw this item
listItem->draw(lb->getRenderCache(), itemRect, itemPos.d_z, alpha, &itemClipper);
// update position ready for next item
itemPos.d_y += itemSize.d_height;
}
}
RenderedStringTextComponent* RenderedColourStringTextComponent::split(float split_point, bool first_component)
{
const Font* fnt = d_font ? d_font : System::getSingleton().getDefaultGUIContext().getDefaultFont();
// This is checked, but should never fail, since if we had no font our
// extent would be 0 and we would never cause a split to be needed here.
if (!fnt)
CEGUI_THROW(InvalidRequestException( "RenderedStringTextComponent::split: "
"unable to split with no font set."));
// create 'left' side of split and clone our basic configuration
RenderedColourStringTextComponent* lhs = new RenderedColourStringTextComponent;
lhs->d_padding = d_padding;
lhs->d_verticalFormatting = d_verticalFormatting;
lhs->d_font = d_font;
lhs->d_colours = d_colours;
// calculate the 'best' place to split the text
size_t left_len = 0;
float left_extent = 0.0f;
while (left_len < d_text.length()) {
size_t token_len = getNextTokenLength(d_text, left_len);
// exit loop if no more valid tokens.
if (token_len == 0)
break;
const float token_extent = fnt->getTextExtent(d_text.substr(left_len, token_len));
// does the next token extend past the split point?
if (left_extent + token_extent > split_point) {
// if it was the first token, split the token itself
if (first_component && left_len == 0)
left_len = ceguimax(static_cast<size_t>(1), fnt->getCharAtPixel(d_text.substr(0, token_len), split_point));
// left_len is now the character index at which to split the line
break;
}
// add this token to the left side
left_len += token_len;
left_extent += token_extent;
}
// perform the split.
lhs->d_text = d_text.substr(0, left_len);
// here we're trimming leading delimiters from the substring range
size_t rhs_start = d_text.find_first_not_of(TextUtils::DefaultWrapDelimiters, left_len);
if (rhs_start == String::npos)
rhs_start = left_len;
d_text = d_text.substr(rhs_start);
return lhs;
}
void ScrollablePane::configureScrollbars(void)
{
// controls should all be valid by this stage
assert(d_container != 0);
assert(d_vertScrollbar != 0);
assert(d_horzScrollbar != 0);
// enable required scrollbars
d_vertScrollbar->setVisible(isVertScrollbarNeeded());
d_horzScrollbar->setVisible(isHorzScrollbarNeeded());
// Check if the addition of the horizontal scrollbar means we
// now also need the vertical bar.
if (d_horzScrollbar->isVisible())
{
d_vertScrollbar->setVisible(isVertScrollbarNeeded());
}
performChildWindowLayout();
// get viewable area
Rect viewableArea(getViewableArea());
if( d_vertScrollbar )
{
// set up vertical scroll bar values
d_vertScrollbar->setDocumentSize(fabsf(d_contentRect.getHeight()));
d_vertScrollbar->setPageSize(viewableArea.getHeight());
d_vertScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertStep));
d_vertScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertOverlap));
d_vertScrollbar->setScrollPosition(d_vertScrollbar->getScrollPosition());
}
if( d_horzScrollbar )
{
// set up horizontal scroll bar values
d_horzScrollbar->setDocumentSize(fabsf(d_contentRect.getWidth()));
d_horzScrollbar->setPageSize(viewableArea.getWidth());
d_horzScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzStep));
d_horzScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzOverlap));
d_horzScrollbar->setScrollPosition(d_horzScrollbar->getScrollPosition());
}
}
/*************************************************************************
Perform the actual rendering for this Window.
*************************************************************************/
void Listbox::populateRenderCache()
{
// get the derived class to render general stuff before we handle the items
cacheListboxBaseImagery();
//
// Render list items
//
Vector3 itemPos;
Size itemSize;
Rect itemClipper, itemRect;
float widest = getWidestItemWidth();
// calculate position of area we have to render into
Rect itemsArea(getListRenderArea());
// set up some initial positional details for items
itemPos.d_x = itemsArea.d_left - d_horzScrollbar->getScrollPosition();
itemPos.d_y = itemsArea.d_top - d_vertScrollbar->getScrollPosition();
itemPos.d_z = System::getSingleton().getRenderer()->getZLayer(3) - System::getSingleton().getRenderer()->getCurrentZ();
float alpha = getEffectiveAlpha();
// loop through the items
size_t itemCount = getItemCount();
for (size_t i = 0; i < itemCount; ++i)
{
itemSize.d_height = d_listItems[i]->getPixelSize().d_height;
// allow item to have full width of box if this is wider than items
itemSize.d_width = ceguimax(itemsArea.getWidth(), widest);
// calculate destination area for this item.
itemRect.d_left = itemPos.d_x;
itemRect.d_top = itemPos.d_y;
itemRect.setSize(itemSize);
itemClipper = itemRect.getIntersection(itemsArea);
// skip this item if totally clipped
if (itemClipper.getWidth() == 0)
{
itemPos.d_y += itemSize.d_height;
continue;
}
// draw this item
d_listItems[i]->draw(d_renderCache, itemRect, itemPos.d_z, alpha, &itemClipper);
// update position ready for next item
itemPos.d_y += itemSize.d_height;
}
}
float colour::getSaturation(void) const
{
float pMax = ceguimax(ceguimax(d_red, d_green), d_blue);
float pMin = ceguimin(ceguimin(d_red, d_green), d_blue);
float pLum = (pMax + pMin) / 2;
float pSat;
if( pMax == pMin )
{
pSat = 0;
}
else
{
if( pLum < 0.5 )
pSat = (pMax - pMin) / (pMax + pMin);
else
pSat = (pMax - pMin) / (2 - pMax - pMin);
}
return pSat;
}
void Spinner::setCurrentValue(float value)
{
if (value != d_currentValue)
{
// limit input value to within valid range for spinner
value = ceguimax(ceguimin(value, d_maxValue), d_minValue);
d_currentValue = value;
WindowEventArgs args(this);
onValueChanged(args);
}
}
float colour::getHue(void) const
{
float pRed = d_red;
float pGreen = d_green;
float pBlue = d_blue;
float pMax = ceguimax(ceguimax(d_red, d_green), d_blue);
float pMin = ceguimin(ceguimin(d_red, d_green), d_blue);
float pHue;
if( pMax == pMin )
{
pHue = 0;
}
else
{
if( pMax == pRed )
{
pHue = (pGreen - pBlue) / (pMax - pMin);
}
else if( pMax == pGreen )
{
pHue = 2 + (pBlue - pRed) / (pMax - pMin);
}
else
{
pHue = 4 + (pRed - pGreen) / (pMax - pMin);
}
}
float Hue = pHue / 6;
if( Hue < 0 )
Hue += 1;
return Hue;
}
//----------------------------------------------------------------------------//
Size Direct3D9Renderer::getAdjustedSize(const Size& sz)
{
Size s(sz);
if (!d_supportNPOTTex)
{
s.d_width = getSizeNextPOT(sz.d_width);
s.d_height = getSizeNextPOT(sz.d_height);
}
if (!d_supportNonSquareTex)
s.d_width = s.d_height =
ceguimax(s.d_width, s.d_height);
return s;
}
void GuiChat::historiqueHaut()
{
CEGUI::Editbox* editbox = static_cast<CEGUI::Editbox*>(chatWindow->getChild("Editbox"));
d_historyPos = ceguimax(d_historyPos - 1, -1);
if (d_historyPos >= 0)
{
editbox->setText(d_history[d_historyPos]);
editbox->setCaretIndex(static_cast<size_t>(-1));
}
else
{
editbox->setText("");
}
editbox->activate();
}
//----------------------------------------------------------------------------//
Size IrrlichtRenderer::getAdjustedTextureSize(const Size& sz) const
{
Size out(sz);
// if we can't support non power of two sizes, get appropriate POT values.
if (!d_supportsNPOTTextures)
{
out.d_width = getNextPOTSize(out.d_width);
out.d_height = getNextPOTSize(out.d_height);
}
// if we can't support non square textures, make size square.
if (!d_supportsNSquareTextures)
out.d_width = out.d_height = ceguimax(out.d_width, out.d_height);
return out;
}
void FalagardChatHistory::configureScrollbars()
{
// no scrollbars? Can't configure then!
if(!d_vertScrollbar) return;
Rect initialArea(getTextRenderArea());
//
// Set up scroll bar values
//
Rect renderArea(getTextRenderArea());
d_vertScrollbar->setDocumentSize(d_totalHeight);
d_vertScrollbar->setPageSize(renderArea.getHeight());
d_vertScrollbar->setStepSize(ceguimax(1.0f, renderArea.getHeight() / 10.0f));
d_vertScrollbar->setScrollPosition(d_vertScrollbar->getScrollPosition());
requestRedraw();
d_parentWindow->requestRedraw();
}
/*************************************************************************
Set the current position of scroll bar within the document.
*************************************************************************/
void Scrollbar::setScrollPosition(float position)
{
float old_pos = d_position;
// max position is (docSize - pageSize), but must be at least 0 (in case doc size is very small)
float max_pos = ceguimax((d_documentSize - d_pageSize), 0.0f);
// limit position to valid range: 0 <= position <= max_pos
d_position = (position >= 0) ? ((position <= max_pos) ? position : max_pos) : 0.0f;
updateThumb();
// notification if required
if (d_position != old_pos)
{
WindowEventArgs args(this);
onScrollPositionChanged(args);
}
}
//----------------------------------------------------------------------------//
void TreeView::fillRenderingState(TreeViewItemRenderingState& item,
const ModelIndex& index, float& rendered_max_width, float& rendered_total_height)
{
String text = d_itemModel->getData(index);
RenderedString rendered_string = getRenderedStringParser().parse(
text, getFont(), &d_textColourRect);
item.d_string = rendered_string;
item.d_text = text;
item.d_icon = d_itemModel->getData(index, IDR_Icon);
item.d_size = Sizef(
rendered_string.getHorizontalExtent(this),
rendered_string.getVerticalExtent(this));
float indent = getViewRenderer()->getSubtreeExpanderXIndent(item.d_nestedLevel) +
getViewRenderer()->getSubtreeExpanderSize().d_width;
rendered_max_width = ceguimax(rendered_max_width, item.d_size.d_width + indent);
rendered_total_height += item.d_size.d_height;
item.d_isSelected = isIndexSelected(index);
}
//----------------------------------------------------------------------------//
float Font::getTextExtent(const String& text, float x_scale) const
{
const FontGlyph* glyph;
float cur_extent = 0, adv_extent = 0, width;
for (size_t c = 0; c < text.length(); ++c)
{
glyph = getGlyphData(text[c]);
if (glyph)
{
width = glyph->getRenderedAdvance(x_scale);
if (adv_extent + width > cur_extent)
cur_extent = adv_extent + width;
adv_extent += glyph->getAdvance(x_scale);
}
}
return ceguimax(adv_extent, cur_extent);
}
Rectf ImagerySection::getBoundingRect(const Window& wnd, const Rectf& rect) const
{
Rectf compRect;
Rectf bounds(std::numeric_limits<float>::max(),
std::numeric_limits<float>::max(),
std::numeric_limits<float>::min(),
std::numeric_limits<float>::min());
// measure all frame components
for(FrameList::const_iterator frame = d_frames.begin(); frame != d_frames.end(); ++frame)
{
compRect = (*frame).getComponentArea().getPixelRect(wnd, rect);
bounds.left(ceguimin(bounds.left(), compRect.left()));
bounds.top(ceguimin(bounds.top(), compRect.top()));
bounds.right(ceguimax(bounds.right(), compRect.right()));
bounds.bottom(ceguimax(bounds.bottom(), compRect.bottom()));
}
// measure all imagery components
for(ImageryList::const_iterator image = d_images.begin(); image != d_images.end(); ++image)
{
compRect = (*image).getComponentArea().getPixelRect(wnd, rect);
bounds.left(ceguimin(bounds.left(), compRect.left()));
bounds.top(ceguimin(bounds.top(), compRect.top()));
bounds.right(ceguimax(bounds.right(), compRect.right()));
bounds.bottom(ceguimax(bounds.bottom(), compRect.bottom()));
}
// measure all text components
for(TextList::const_iterator text = d_texts.begin(); text != d_texts.end(); ++text)
{
compRect = (*text).getComponentArea().getPixelRect(wnd, rect);
bounds.left(ceguimin(bounds.left(), compRect.left()));
bounds.top(ceguimin(bounds.top(), compRect.top()));
bounds.right(ceguimax(bounds.right(), compRect.right()));
bounds.bottom(ceguimax(bounds.bottom(), compRect.bottom()));
}
return bounds;
}
/*************************************************************************
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());
}
//----------------------------------------------------------------------------//
void FalagardTreeView::renderTreeItem(TreeView* tree_view, const Rectf& items_area,
glm::vec2& item_pos, const TreeViewItemRenderingState* item_to_render,
size_t depth)
{
float expander_margin = tree_view->getSubtreeExpanderMargin();
for (size_t i = 0; i < item_to_render->d_renderedChildren.size(); ++i)
{
TreeViewItemRenderingState* item = item_to_render->d_renderedChildren.at(i);
RenderedString& rendered_string = item->d_string;
Sizef size(item->d_size);
// center the expander compared to the item's height
float half_diff = (size.d_height - d_subtreeExpanderImagerySize.d_height) / 2.0f;
size.d_width = ceguimax(items_area.getWidth(), size.d_width);
float indent = d_subtreeExpanderImagerySize.d_width + expander_margin * 2;
if (item->d_totalChildCount > 0)
{
const ImagerySection* section = item->d_subtreeIsExpanded
? d_subtreeCollapserImagery : d_subtreeExpanderImagery;
Rectf button_rect;
button_rect.left(item_pos.x + expander_margin);
button_rect.top(item_pos.y +
(half_diff > 0 ? half_diff : 0));
button_rect.setSize(d_subtreeExpanderImagerySize);
Rectf button_clipper(button_rect.getIntersection(items_area));
section->render(*tree_view, button_rect, 0, &button_clipper);
indent = button_rect.getWidth() + expander_margin * 2;
}
Rectf item_rect;
item_rect.left(item_pos.x + indent);
item_rect.top(item_pos.y + (half_diff < 0 ? -half_diff : 0));
item_rect.setSize(size);
if (!item->d_icon.empty())
{
Image& img = ImageManager::getSingleton().get(item->d_icon);
Rectf icon_rect(item_rect);
icon_rect.setWidth(size.d_height);
icon_rect.setHeight(size.d_height);
Rectf icon_clipper(icon_rect.getIntersection(items_area));
img.render(tree_view->getGeometryBuffers(), icon_rect, &icon_clipper,
true, ICON_COLOUR_RECT, 1.0f);
item_rect.left(item_rect.left() + icon_rect.getWidth());
}
Rectf item_clipper(item_rect.getIntersection(items_area));
renderString(tree_view, rendered_string, item_rect,
tree_view->getFont(), &item_clipper, item->d_isSelected);
item_pos.y += ceguimax(size.d_height, d_subtreeExpanderImagerySize.d_height);
if (item->d_renderedChildren.empty())
continue;
item_pos.x += indent;
if (item->d_subtreeIsExpanded)
{
renderTreeItem(tree_view, items_area, item_pos, item, depth + 1);
}
item_pos.x -= indent;
}
}
//----------------------------------------------------------------------------//
float Scrollbar::getMaxScrollPosition() const
{
// max position is (docSize - pageSize)
// but must be at least 0 (in case doc size is very small)
return ceguimax((d_documentSize - d_pageSize), 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());
}
/*************************************************************************
Renders text on the display. Return number of lines output.
*************************************************************************/
size_t Font::drawText(const String& text, const Rect& draw_area, float z, const Rect& clip_rect, TextFormatting fmt, const ColourRect& colours, float x_scale, float y_scale)
{
size_t thisCount;
size_t lineCount = 0;
float y_base = draw_area.d_top + getBaseline(y_scale);
Rect tmpDrawArea(
PixelAligned(draw_area.d_left),
PixelAligned(draw_area.d_top),
PixelAligned(draw_area.d_right),
PixelAligned(draw_area.d_bottom)
);
size_t lineStart = 0, lineEnd = 0;
String currLine;
while (lineEnd < text.length())
{
if ((lineEnd = text.find_first_of('\n', lineStart)) == String::npos)
lineEnd = text.length();
currLine = text.substr(lineStart, lineEnd - lineStart);
lineStart = lineEnd + 1; // +1 to skip \n char
switch(fmt)
{
case LeftAligned:
drawTextLine(currLine, Vector3(tmpDrawArea.d_left, y_base, z), clip_rect, colours, x_scale, y_scale);
thisCount = 1;
y_base += getLineSpacing(y_scale);
break;
case RightAligned:
drawTextLine(currLine, Vector3(tmpDrawArea.d_right - getTextExtent(currLine, x_scale), y_base, z), clip_rect, colours, x_scale, y_scale);
thisCount = 1;
y_base += getLineSpacing(y_scale);
break;
case Centred:
drawTextLine(currLine, Vector3(PixelAligned(tmpDrawArea.d_left + ((tmpDrawArea.getWidth() - getTextExtent(currLine, x_scale)) / 2.0f)), y_base, z), clip_rect, colours, x_scale, y_scale);
thisCount = 1;
y_base += getLineSpacing(y_scale);
break;
case Justified:
// new function in order to keep drawTextLine's signature unchanged
drawTextLineJustified(currLine, draw_area, Vector3(tmpDrawArea.d_left, y_base, z), clip_rect, colours, x_scale, y_scale);
thisCount = 1;
y_base += getLineSpacing(y_scale);
break;
case WordWrapLeftAligned:
thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, LeftAligned, colours, x_scale, y_scale);
tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale);
break;
case WordWrapRightAligned:
thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, RightAligned, colours, x_scale, y_scale);
tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale);
break;
case WordWrapCentred:
thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, Centred, colours, x_scale, y_scale);
tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale);
break;
case WordWrapJustified:
// no change needed
thisCount = drawWrappedText(currLine, tmpDrawArea, z, clip_rect, Justified, colours, x_scale, y_scale);
tmpDrawArea.d_top += thisCount * getLineSpacing(y_scale);
break;
default:
throw InvalidRequestException("Font::drawText - Unknown or unsupported TextFormatting value specified.");
}
lineCount += thisCount;
}
// should not return 0
return ceguimax(lineCount, (size_t)1);
}
/*************************************************************************
display required integrated scroll bars according to current state
of the edit box and update their values.
*************************************************************************/
void MultiLineEditbox::configureScrollbars(void)
{
float totalHeight = (float)d_lines.size() * getFont()->getLineSpacing();
float widestItem = d_widestExtent;
//
// 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 > getTextRenderArea().getHeight()) || d_forceVertScroll)
{
d_vertScrollbar->show();
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getTextRenderArea().getWidth()) || d_forceHorzScroll)
{
d_horzScrollbar->show();
}
else
{
d_horzScrollbar->hide();
}
}
else
{
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > getTextRenderArea().getWidth()) || d_forceHorzScroll)
{
d_horzScrollbar->show();
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > getTextRenderArea().getHeight()) || d_forceVertScroll)
{
d_vertScrollbar->show();
}
else
{
d_vertScrollbar->hide();
}
}
else
{
d_vertScrollbar->hide();
d_horzScrollbar->hide();
}
}
//
// Set up scroll bar values
//
Rect renderArea(getTextRenderArea());
d_vertScrollbar->setDocumentSize(totalHeight);
d_vertScrollbar->setPageSize(renderArea.getHeight());
d_vertScrollbar->setStepSize(ceguimax(1.0f, renderArea.getHeight() / 10.0f));
d_vertScrollbar->setScrollPosition(d_vertScrollbar->getScrollPosition());
d_horzScrollbar->setDocumentSize(widestItem);
d_horzScrollbar->setPageSize(renderArea.getWidth());
d_horzScrollbar->setStepSize(ceguimax(1.0f, renderArea.getWidth() / 10.0f));
d_horzScrollbar->setScrollPosition(d_horzScrollbar->getScrollPosition());
}
/*************************************************************************
display required integrated scroll bars according to current state
of the tree and update their values.
*************************************************************************/
void Tree::configureScrollbars(void)
{
Rectf renderArea(getTreeRenderArea());
//This is becuase CEGUI IS GAY! and fires events before the item is initialized
if(!d_vertScrollbar)
d_vertScrollbar = createVertScrollbar("__auto_vscrollbar__");
if(!d_horzScrollbar)
d_horzScrollbar = createHorzScrollbar("__auto_hscrollbar__");
float totalHeight = getTotalItemsHeight();
float widestItem = getWidestItemWidth() + 20;
//
// 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 > renderArea.getHeight()) || d_forceVertScroll)
{
d_vertScrollbar->show();
renderArea.d_max.d_x -= d_vertScrollbar->getWidth().d_offset + d_vertScrollbar->getXPosition().d_offset;
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > renderArea.getWidth()) || d_forceHorzScroll)
{
d_horzScrollbar->show();
renderArea.d_max.d_y -= d_horzScrollbar->getHeight().d_offset;
}
else
{
d_horzScrollbar->hide();
d_horzScrollbar->setScrollPosition(0);
}
}
else
{
// show or hide horizontal scroll bar as required (or as specified by option)
if ((widestItem > renderArea.getWidth()) || d_forceHorzScroll)
{
d_horzScrollbar->show();
renderArea.d_max.d_y -= d_vertScrollbar->getHeight().d_offset;
// show or hide vertical scroll bar as required (or as specified by option)
if ((totalHeight > renderArea.getHeight()) || d_forceVertScroll)
{
d_vertScrollbar->show();
// renderArea.d_right -= d_vertScrollbar->getAbsoluteWidth();
renderArea.d_max.d_x -= d_vertScrollbar->getWidth().d_offset;
}
else
{
d_vertScrollbar->hide();
d_vertScrollbar->setScrollPosition(0);
}
}
else
{
d_vertScrollbar->hide();
d_vertScrollbar->setScrollPosition(0);
d_horzScrollbar->hide();
d_horzScrollbar->setScrollPosition(0);
}
}
//
// Set up scroll bar values
//
float itemHeight;
if (!d_listItems.empty())
itemHeight = d_listItems[0]->getPixelSize().d_height;
else
itemHeight = 10;
d_vertScrollbar->setDocumentSize(totalHeight);
d_vertScrollbar->setPageSize(renderArea.getHeight());
d_vertScrollbar->setStepSize(ceguimax(1.0f, renderArea.getHeight() / itemHeight));
d_vertScrollbar->setScrollPosition(d_vertScrollbar->getScrollPosition());
d_horzScrollbar->setDocumentSize(widestItem + d_vertScrollbar->getWidth().d_offset);
// d_horzScrollbar->setDocumentSize(widestItem + d_vertScrollbar->getAbsoluteWidth());
d_horzScrollbar->setPageSize(renderArea.getWidth());
d_horzScrollbar->setStepSize(ceguimax(1.0f, renderArea.getWidth() / HORIZONTAL_STEP_SIZE_DIVISOR));
d_horzScrollbar->setScrollPosition(d_horzScrollbar->getScrollPosition());
}
