C++ LLView::getVisible方法代码示例

static LLPanel *childGetVisiblePanelWithHelp(LLView *parent)
{
	LLView *child;

	// look through immediate children first for an active panel with help
	for (child = parent->getFirstChild(); child; child = parent->findNextSibling(child))
	{
		// do we have a panel with a help topic?
		LLPanel *panel = dynamic_cast<LLPanel *>(child);
		if (panel && panel->getVisible() && !panel->getHelpTopic().empty())
		{
			return panel;
		}
	}

	// then try a bit harder and recurse through all children
	for (child = parent->getFirstChild(); child; child = parent->findNextSibling(child))
	{
		if (child->getVisible())
		{
			LLPanel* panel = ::childGetVisiblePanelWithHelp(child);
			if (panel)
			{
				return panel;
			}
		}
	}

	// couldn't find any active panels with a help topic string
	return NULL;
}

bool LLPanel::childIsVisible(const std::string& id) const
{
	LLView* child = findChild<LLView>(id);
	if (child)
	{
		return (bool)child->getVisible();
	}
	return false;
}

BOOL LLViewerTextEditor::handleToolTip(S32 x, S32 y, std::string& msg, LLRect* sticky_rect_screen)
{
	for (child_list_const_iter_t child_iter = getChildList()->begin();
			child_iter != getChildList()->end(); ++child_iter)
	{
		LLView *viewp = *child_iter;
		S32 local_x = x - viewp->getRect().mLeft;
		S32 local_y = y - viewp->getRect().mBottom;
		if( viewp->pointInView(local_x, local_y) 
			&& viewp->getVisible() 
			&& viewp->getEnabled()
			&& viewp->handleToolTip(local_x, local_y, msg, sticky_rect_screen ) )
		{
			return TRUE;
		}
	}

	if( mSegments.empty() )
	{
		return TRUE;
	}

	const LLTextSegment* cur_segment = getSegmentAtLocalPos( x, y );
	if( cur_segment )
	{
		BOOL has_tool_tip = FALSE;
		if( cur_segment->getStyle()->getIsEmbeddedItem() )
		{
			LLWString wtip;
			has_tool_tip = getEmbeddedItemToolTipAtPos(cur_segment->getStart(), wtip);
			msg = wstring_to_utf8str(wtip);
		}
		else
		{
			has_tool_tip = cur_segment->getToolTip( msg );
		}
		if( has_tool_tip )
		{
			// Just use a slop area around the cursor
			// Convert rect local to screen coordinates
			S32 SLOP = 8;
			localPointToScreen( 
				x - SLOP, y - SLOP, 
				&(sticky_rect_screen->mLeft), &(sticky_rect_screen->mBottom) );
			sticky_rect_screen->mRight = sticky_rect_screen->mLeft + 2 * SLOP;
			sticky_rect_screen->mTop = sticky_rect_screen->mBottom + 2 * SLOP;
		}
	}
	return TRUE;
}

LLView*	LLAccordionCtrlTab::findContainerView()
{
	for(child_list_const_iter_t it = getChildList()->begin(); 
		getChildList()->end() != it; ++it)
	{
		LLView* child = *it;
		if(DD_HEADER_NAME == child->getName())
			continue;
		if(!child->getVisible())
			continue;
		return child;
	}
	return NULL;
}

void	LLSideTray::updateSidetrayVisibility()
{
	// set visibility of parent container based on collapsed state
	LLView* parent = getParent();
	if (parent)
	{
		bool old_visibility = parent->getVisible();
		bool new_visibility = !mCollapsed && !gAgentCamera.cameraMouselook();

		if (old_visibility != new_visibility)
		{
			parent->setVisible(new_visibility);

			// Signal change of visible width.
			llinfos << "Visible: " << new_visibility << llendl;
			mVisibleWidthChangeSignal(this, new_visibility);
		}
	}
}

void LLPopupView::draw()
{
	S32 screen_x, screen_y;

	// remove dead popups
	for (popup_list_t::iterator popup_it = mPopups.begin();
		popup_it != mPopups.end();)
	{
		if (!popup_it->get())
		{
			mPopups.erase(popup_it++);
		}
		else
		{
			popup_it++;
		}
	}

	// draw in reverse order (most recent is on top)
	for (popup_list_t::reverse_iterator popup_it = mPopups.rbegin();
		popup_it != mPopups.rend();)
	{
		LLView* popup = popup_it->get();

		if (popup->getVisible())
		{
			popup->localPointToScreen(0, 0, &screen_x, &screen_y);

			LLUI::pushMatrix();
			{
				LLUI::translate( (F32) screen_x, (F32) screen_y, 0.f);
				popup->draw();
			}
			LLUI::popMatrix();
		}
		++popup_it;
	}

	LLPanel::draw();
}

void LLContainerView::arrange(S32 width, S32 height, BOOL called_from_parent)
{
	// Determine the sizes and locations of all contained views
	S32 total_height = 0;
	S32 top, left, right, bottom;
	//LLView *childp;

	// These will be used for the children
	left = 4;
	top = getRect().getHeight() - 4;
	right = width - 2;
	bottom = top;
	
	// Leave some space for the top label/grab handle
	if (mShowLabel)
	{
		total_height += 20;
	}

	if (mDisplayChildren)
	{
		// Determine total height
		U32 child_height = 0;
		for (child_list_const_iter_t child_iter = getChildList()->begin();
			 child_iter != getChildList()->end(); ++child_iter)
		{
			LLView *childp = *child_iter;
			if (!childp->getVisible())
			{
				LL_WARNS() << "Incorrect visibility!" << LL_ENDL;
			}
			LLRect child_rect = childp->getRequiredRect();
			child_height += child_rect.getHeight();
			child_height += 2;
		}
		total_height += child_height;
	}

	if (total_height < height)
		total_height = height;
	
	if (followsTop())
	{
		// HACK: casting away const. Should use setRect or some helper function instead.
		const_cast<LLRect&>(getRect()).mBottom = getRect().mTop - total_height;
	}
	else
	{
		// HACK: casting away const. Should use setRect or some helper function instead.
		const_cast<LLRect&>(getRect()).mTop = getRect().mBottom + total_height;
	}
	// HACK: casting away const. Should use setRect or some helper function instead.
		const_cast<LLRect&>(getRect()).mRight = getRect().mLeft + width;

	top = total_height;
	if (mShowLabel)
		{
			top -= 20;
		}
	
	bottom = top;

	if (mDisplayChildren)
	{
		// Iterate through all children, and put in container from top down.
		for (child_list_const_iter_t child_iter = getChildList()->begin();
			 child_iter != getChildList()->end(); ++child_iter)
		{
			LLView *childp = *child_iter;
			LLRect child_rect = childp->getRequiredRect();
			bottom -= child_rect.getHeight();
			LLRect r(left, bottom + child_rect.getHeight(), right, bottom);
			childp->setRect(r);
			childp->reshape(right - left, top - bottom);
			top = bottom - 2;
			bottom = top;
		}
	}
	
	if (!called_from_parent)
	{
		if (getParent())
		{
			getParent()->reshape(getParent()->getRect().getWidth(), getParent()->getRect().getHeight(), FALSE);
		}
	}

}

void LLScrollContainer::draw()
{
	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
	if (mAutoScrolling)
	{
		// add acceleration to autoscroll
		mAutoScrollRate = llmin(mAutoScrollRate + (LLFrameTimer::getFrameDeltaTimeF32() * AUTO_SCROLL_RATE_ACCEL), mMaxAutoScrollRate);
	}
	else
	{
		// reset to minimum for next time
		mAutoScrollRate = mMinAutoScrollRate;
	}
	// clear this flag to be set on next call to autoScroll
	mAutoScrolling = FALSE;

	// auto-focus when scrollbar active
	// this allows us to capture user intent (i.e. stop automatically scrolling the view/etc)
	if (!hasFocus() 
		&& (mScrollbar[VERTICAL]->hasMouseCapture() || mScrollbar[HORIZONTAL]->hasMouseCapture()))
	{
		focusFirstItem();
	}

	// Draw background
	if( mIsOpaque )
	{
		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
		gGL.color4fv( mBackgroundColor.get().mV );
		gl_rect_2d( mInnerRect );
	}
	
	// Draw mScrolledViews and update scroll bars.
	// get a scissor region ready, and draw the scrolling view. The
	// scissor region ensures that we don't draw outside of the bounds
	// of the rectangle.
	if( mScrolledView )
	{
		updateScroll();

		// Draw the scrolled area.
		{
			S32 visible_width = 0;
			S32 visible_height = 0;
			BOOL show_v_scrollbar = FALSE;
			BOOL show_h_scrollbar = FALSE;
			calcVisibleSize( &visible_width, &visible_height, &show_h_scrollbar, &show_v_scrollbar );

			LLLocalClipRect clip(LLRect(mInnerRect.mLeft, 
					mInnerRect.mBottom + (show_h_scrollbar ? scrollbar_size : 0) + visible_height,
					mInnerRect.mRight - (show_v_scrollbar ? scrollbar_size: 0),
					mInnerRect.mBottom + (show_h_scrollbar ? scrollbar_size : 0)
					));
			drawChild(mScrolledView);
		}
	}

	// Highlight border if a child of this container has keyboard focus
	if( mBorder->getVisible() )
	{
		mBorder->setKeyboardFocusHighlight( gFocusMgr.childHasKeyboardFocus(this) );
	}

	// Draw all children except mScrolledView
	// Note: scrollbars have been adjusted by above drawing code
	for (child_list_const_reverse_iter_t child_iter = getChildList()->rbegin();
		 child_iter != getChildList()->rend(); ++child_iter)
	{
		LLView *viewp = *child_iter;
		if( sDebugRects )
		{
			sDepth++;
		}
		if( (viewp != mScrolledView) && viewp->getVisible() )
		{
			drawChild(viewp);
		}
		if( sDebugRects )
		{
			sDepth--;
		}
	}
} // end draw

void LLAvatarListItem::updateChildren()
{
    LL_DEBUGS("AvatarItemReshape") << LL_ENDL;
    LL_DEBUGS("AvatarItemReshape") << "Updating for: " << getAvatarName() << LL_ENDL;

    S32 name_new_width = getRect().getWidth();
    S32 ctrl_new_left = name_new_width;
    S32 name_new_left = sLeftPadding;

    // iterate through all children and set them into correct position depend on each child visibility
    // assume that child indexes are in back order: the first in Enum is the last (right) in the item
    // iterate & set child views starting from right to left
    for (S32 i = 0; i < ALIC_COUNT; ++i)
    {
        // skip "name" textbox, it will be processed out of loop later
        if (ALIC_NAME == i) continue;

        LLView* control = getItemChildView((EAvatarListItemChildIndex)i);

        LL_DEBUGS("AvatarItemReshape") << "Processing control: " << control->getName() << LL_ENDL;
        // skip invisible views
        if (!control->getVisible()) continue;

        S32 ctrl_width = sChildrenWidths[i]; // including space between current & left controls
        // This one changes, so we can't cache it.
        if(ALIC_EXTRA_INFORMATION == i)
        {
            ctrl_width += mExtraInformation->getRect().getWidth();
        }

        // decrease available for
        name_new_width -= ctrl_width;
        LL_DEBUGS("AvatarItemReshape") << "width: " << ctrl_width << ", name_new_width: " << name_new_width << LL_ENDL;

        LLRect control_rect = control->getRect();
        LL_DEBUGS("AvatarItemReshape") << "rect before: " << control_rect << LL_ENDL;

        if (ALIC_ICON == i)
        {
            // assume that this is the last iteration,
            // so it is not necessary to save "ctrl_new_left" value calculated on previous iterations
            ctrl_new_left = sLeftPadding;
            name_new_left = ctrl_new_left + ctrl_width;
        }
        else
        {
            ctrl_new_left -= ctrl_width;
        }

        LL_DEBUGS("AvatarItemReshape") << "ctrl_new_left: " << ctrl_new_left << LL_ENDL;

        control_rect.setLeftTopAndSize(
            ctrl_new_left,
            control_rect.mTop,
            control_rect.getWidth(),
            control_rect.getHeight());

        LL_DEBUGS("AvatarItemReshape") << "rect after: " << control_rect << LL_ENDL;
        control->setShape(control_rect);
    }

    // set size and position of the "name" child
    LLView* name_view = getItemChildView(ALIC_NAME);
    LLRect name_view_rect = name_view->getRect();
    LL_DEBUGS("AvatarItemReshape") << "name rect before: " << name_view_rect << LL_ENDL;

    // apply paddings
    name_new_width -= sLeftPadding;
    name_new_width -= sNameRightPadding;

    name_view_rect.setLeftTopAndSize(
        name_new_left,
        name_view_rect.mTop,
        name_new_width,
        name_view_rect.getHeight());

    name_view->setShape(name_view_rect);

    LL_DEBUGS("AvatarItemReshape") << "name rect after: " << name_view_rect << LL_ENDL;
}

void LLOverlayBar::draw()
{
	// retrieve rounded rect image
	LLUUID image_id;
	image_id.set(gViewerArt.getString("rounded_square.tga"));
	LLViewerImage* imagep = gImageList.getImage(image_id, MIPMAP_FALSE, TRUE);

	if (imagep)
	{
		LLGLSTexture texture_enabled;
		LLViewerImage::bindTexture(imagep);

		const S32 PAD = gSavedSettings.getS32("StatusBarPad");

		// draw rounded rect tabs behind all children
		LLRect r;
		// focus highlights
		LLColor4 color = gColors.getColor("FloaterFocusBorderColor");
		glColor4fv(color.mV);
		if(gFocusMgr.childHasKeyboardFocus(gBottomPanel))
		{
			for (child_list_const_iter_t child_iter = getChildList()->begin();
				child_iter != getChildList()->end(); ++child_iter)
			{
				LLView *view = *child_iter;
				if(view->getEnabled() && view->getVisible())
				{
					r = view->getRect();
					gl_segmented_rect_2d_tex(r.mLeft - PAD/3 - 1, 
											r.mTop + 3, 
											r.mRight + PAD/3 + 1,
											r.mBottom, 
											imagep->getWidth(), 
											imagep->getHeight(), 
											16, 
											ROUNDED_RECT_TOP);
				}
			}
		}

		// main tabs
		for (child_list_const_iter_t child_iter = getChildList()->begin();
			child_iter != getChildList()->end(); ++child_iter)
		{
			LLView *view = *child_iter;
			if(view->getEnabled() && view->getVisible())
			{
				r = view->getRect();
				// draw a nice little pseudo-3D outline
				color = gColors.getColor("DefaultShadowDark");
				glColor4fv(color.mV);
				gl_segmented_rect_2d_tex(r.mLeft - PAD/3 + 1, r.mTop + 2, r.mRight + PAD/3, r.mBottom, 
										 imagep->getWidth(), imagep->getHeight(), 16, ROUNDED_RECT_TOP);
				color = gColors.getColor("DefaultHighlightLight");
				glColor4fv(color.mV);
				gl_segmented_rect_2d_tex(r.mLeft - PAD/3, r.mTop + 2, r.mRight + PAD/3 - 3, r.mBottom, 
										 imagep->getWidth(), imagep->getHeight(), 16, ROUNDED_RECT_TOP);
				// here's the main background.  Note that it overhangs on the bottom so as to hide the
				// focus highlight on the bottom panel, thus producing the illusion that the focus highlight
				// continues around the tabs
				color = gColors.getColor("FocusBackgroundColor");
				glColor4fv(color.mV);
				gl_segmented_rect_2d_tex(r.mLeft - PAD/3 + 1, r.mTop + 1, r.mRight + PAD/3 - 1, r.mBottom - 1, 
										 imagep->getWidth(), imagep->getHeight(), 16, ROUNDED_RECT_TOP);
			}
		}
	}

	// draw children on top
	LLPanel::draw();
}