EXT-3929: Moved LLAccordionCtrl to llui.

Both LLAccordionCtrl and LLAccordionCtrlTab should live in llui, not
newview. I need to make this happen in order to fix EXT-3929. No code
change was necessary (other than to change #include for predefined
headers) as these classes did not rely on any newview code.

1 files changed, 599 insertions, 0 deletions

diff --git a/indra/llui/llaccordionctrltab.cpp b/indra/llui/llaccordionctrltab.cpp
new file mode 100644
index 0000000000..9d6ba57c29
--- /dev/null
+++ b/indra/llui/llaccordionctrltab.cpp
@@ -0,0 +1,599 @@
+/** 
+ * @file LLAccordionCtrlTab.cpp
+ * @brief Collapsible control implementation
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * 
+ * Copyright (c) 2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lluictrl.h"
+
+#include "llaccordionctrltab.h"
+
+#include "lltextbox.h"
+
+static const std::string DD_BUTTON_NAME = "dd_button";
+static const std::string DD_TEXTBOX_NAME = "dd_textbox";
+static const std::string DD_HEADER_NAME = "dd_header";
+
+static const S32 HEADER_HEIGHT = 20;
+static const S32 HEADER_IMAGE_LEFT_OFFSET = 5;
+static const S32 HEADER_TEXT_LEFT_OFFSET = 30;
+
+static LLDefaultChildRegistry::Register<LLAccordionCtrlTab> t1("accordion_tab");
+
+class LLAccordionCtrlTab::LLAccordionCtrlTabHeader : public LLUICtrl
+{
+public:
+	friend class LLUICtrlFactory;
+
+	struct Params : public LLInitParam::Block<Params, LLAccordionCtrlTab::Params>
+	{
+		Params();
+	};
+
+	LLAccordionCtrlTabHeader(const LLAccordionCtrlTabHeader::Params& p);
+	
+	virtual ~LLAccordionCtrlTabHeader();
+
+	virtual void draw();
+
+	virtual void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
+
+	virtual BOOL postBuild();
+
+	void	setTitle(const std::string& title);
+
+	virtual void onMouseEnter(S32 x, S32 y, MASK mask);
+	virtual void onMouseLeave(S32 x, S32 y, MASK mask);
+	virtual BOOL handleKey(KEY key, MASK mask, BOOL called_from_parent);
+private:
+
+	LLTextBox* mHeaderTextbox;
+
+	// Overlay images (arrows)
+	LLPointer<LLUIImage> mImageCollapsed;
+	LLPointer<LLUIImage> mImageExpanded;
+	LLPointer<LLUIImage> mImageCollapsedPressed;
+	LLPointer<LLUIImage> mImageExpandedPressed;
+
+	// Background images
+	LLPointer<LLUIImage> mImageHeader;
+	LLPointer<LLUIImage> mImageHeaderOver;
+	LLPointer<LLUIImage> mImageHeaderPressed;
+	LLPointer<LLUIImage> mImageHeaderFocused;
+
+	LLUIColor mHeaderBGColor;
+
+	bool mNeedsHighlight;
+};
+
+LLAccordionCtrlTab::LLAccordionCtrlTabHeader::Params::Params()
+{
+}
+
+LLAccordionCtrlTab::LLAccordionCtrlTabHeader::LLAccordionCtrlTabHeader(
+	const LLAccordionCtrlTabHeader::Params& p)
+: LLUICtrl(p)
+, mHeaderBGColor(p.header_bg_color())
+,mNeedsHighlight(false),
+	mImageCollapsed(p.header_collapse_img),
+	mImageCollapsedPressed(p.header_collapse_img_pressed),
+	mImageExpanded(p.header_expand_img),
+	mImageExpandedPressed(p.header_expand_img_pressed),
+	mImageHeader(p.header_image),
+	mImageHeaderOver(p.header_image_over),
+	mImageHeaderPressed(p.header_image_pressed),
+	mImageHeaderFocused(p.header_image_focused)
+{
+	LLTextBox::Params textboxParams;
+	textboxParams.name(DD_TEXTBOX_NAME);
+	textboxParams.initial_value(p.title());
+	textboxParams.text_color(p.header_text_color());
+	textboxParams.follows.flags(FOLLOWS_NONE);
+	textboxParams.font( p.font() );
+	textboxParams.font_shadow(LLFontGL::NO_SHADOW);
+	textboxParams.use_ellipses = true;
+	textboxParams.bg_visible = false;
+	textboxParams.mouse_opaque = false;
+	mHeaderTextbox = LLUICtrlFactory::create<LLTextBox>(textboxParams);
+	addChild(mHeaderTextbox);
+}
+
+LLAccordionCtrlTab::LLAccordionCtrlTabHeader::~LLAccordionCtrlTabHeader()
+{
+}
+
+BOOL LLAccordionCtrlTab::LLAccordionCtrlTabHeader::postBuild()
+{
+	return TRUE;
+}
+
+void	LLAccordionCtrlTab::LLAccordionCtrlTabHeader::setTitle(const std::string& title)
+{
+	if(mHeaderTextbox)
+		mHeaderTextbox->setText(title);
+}
+
+void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::draw()
+{
+	S32 width = getRect().getWidth();
+	S32 height = getRect().getHeight();
+
+	gl_rect_2d(0,0,width - 1 ,height - 1,mHeaderBGColor.get(),true);
+
+	LLAccordionCtrlTab* parent = dynamic_cast<LLAccordionCtrlTab*>(getParent());
+	bool collapsible = (parent && parent->getCollapsible());
+	bool expanded = (parent && parent->getDisplayChildren());
+
+	// Handle overlay images, if needed
+	// Only show green "focus" background image if the accordion is open,
+	// because the user's mental model of focus is that it goes away after
+	// the accordion is closed.
+	if (getParent()->hasFocus()
+		&& !(collapsible && !expanded))
+	{
+		mImageHeaderFocused->draw(0,0,width,height);
+	}
+	else
+	{
+		mImageHeader->draw(0,0,width,height);
+	}
+
+	if(mNeedsHighlight)
+	{
+		mImageHeaderOver->draw(0,0,width,height);
+	}
+	
+
+	if(collapsible)
+	{
+		LLPointer<LLUIImage> overlay_image;
+		if(expanded)
+		{
+			overlay_image = mImageExpanded;
+		}
+		else
+		{
+			overlay_image = mImageCollapsed;
+		}
+		overlay_image->draw(HEADER_IMAGE_LEFT_OFFSET,
+							(height - overlay_image->getHeight()) / 2);
+	}
+	
+	LLUICtrl::draw();
+}
+
+void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::reshape(S32 width, S32 height, BOOL called_from_parent /* = TRUE */)
+{
+	S32 header_height = mHeaderTextbox->getTextPixelHeight();
+
+	LLRect textboxRect(HEADER_TEXT_LEFT_OFFSET,(height+header_height)/2 ,width,(height-header_height)/2);
+	mHeaderTextbox->reshape(textboxRect.getWidth(), textboxRect.getHeight());
+	mHeaderTextbox->setRect(textboxRect);
+}
+
+void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::onMouseEnter(S32 x, S32 y, MASK mask)
+{
+	LLUICtrl::onMouseEnter(x, y, mask);
+	mNeedsHighlight = true;
+}
+void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::onMouseLeave(S32 x, S32 y, MASK mask)
+{
+	LLUICtrl::onMouseLeave(x, y, mask);
+	mNeedsHighlight = false;
+}
+BOOL LLAccordionCtrlTab::LLAccordionCtrlTabHeader::handleKey(KEY key, MASK mask, BOOL called_from_parent)
+{
+	if ( ( key == KEY_LEFT || key == KEY_RIGHT) && mask == MASK_NONE)
+	{
+		return getParent()->handleKey(key, mask, called_from_parent);
+	}
+	return LLUICtrl::handleKey(key, mask, called_from_parent);
+}
+
+
+LLAccordionCtrlTab::Params::Params()
+	: title("title")
+	,display_children("expanded", true)
+	,header_height("header_height", HEADER_HEIGHT),
+	min_width("min_width", 0),
+	min_height("min_height", 0)
+	,collapsible("collapsible", true)
+	,header_bg_color("header_bg_color")
+	,dropdown_bg_color("dropdown_bg_color")
+	,header_visible("header_visible",true)
+	,padding_left("padding_left",2)
+	,padding_right("padding_right",2)
+	,padding_top("padding_top",2)
+	,padding_bottom("padding_bottom",2)
+	,header_expand_img("header_expand_img")
+	,header_expand_img_pressed("header_expand_img_pressed")
+	,header_collapse_img("header_collapse_img")
+	,header_collapse_img_pressed("header_collapse_img_pressed")
+	,header_image("header_image")
+	,header_image_over("header_image_over")
+	,header_image_pressed("header_image_pressed")
+	,header_image_focused("header_image_focused")
+	,header_text_color("header_text_color")
+{
+	mouse_opaque(false);
+}
+
+LLAccordionCtrlTab::LLAccordionCtrlTab(const LLAccordionCtrlTab::Params&p)
+	: LLUICtrl(p)
+	,mDisplayChildren(p.display_children)
+	,mCollapsible(p.collapsible)
+	,mExpandedHeight(0)
+	,mDropdownBGColor(p.dropdown_bg_color())
+	,mHeaderVisible(p.header_visible)
+	,mPaddingLeft(p.padding_left)
+	,mPaddingRight(p.padding_right)
+	,mPaddingTop(p.padding_top)
+	,mPaddingBottom(p.padding_bottom)
+	,mCanOpenClose(true)
+{
+	mStoredOpenCloseState = false;
+	mWasStateStored = false;
+	
+	mDropdownBGColor = LLColor4::white;
+	LLAccordionCtrlTabHeader::Params headerParams;
+	headerParams.name(DD_HEADER_NAME);
+	headerParams.title(p.title);
+	mHeader = LLUICtrlFactory::create<LLAccordionCtrlTabHeader>(headerParams);
+	addChild(mHeader, 1);
+
+	reshape(100, 200,FALSE);
+}
+
+LLAccordionCtrlTab::~LLAccordionCtrlTab()
+{
+}
+
+
+void LLAccordionCtrlTab::setDisplayChildren(bool display)
+{
+	mDisplayChildren = display;
+	LLRect rect = getRect();
+
+	rect.mBottom = rect.mTop - (getDisplayChildren() ? 
+		mExpandedHeight : HEADER_HEIGHT);
+	setRect(rect);
+
+	for(child_list_const_iter_t it = getChildList()->begin();
+		getChildList()->end() != it; ++it)
+	{
+		LLView* child = *it;
+		if(DD_HEADER_NAME == child->getName())
+			continue;
+
+		child->setVisible(getDisplayChildren());
+	}
+}
+
+void LLAccordionCtrlTab::reshape(S32 width, S32 height, BOOL called_from_parent /* = TRUE */)
+{
+	LLRect headerRect;
+
+	LLUICtrl::reshape(width, height, TRUE);
+
+	headerRect.setLeftTopAndSize(
+		0,height,width,HEADER_HEIGHT);
+	mHeader->setRect(headerRect);
+	mHeader->reshape(headerRect.getWidth(), headerRect.getHeight());
+
+	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;
+
+		LLRect childRect = child->getRect();
+		S32 childWidth = width - getPaddingLeft() - getPaddingRight();
+		S32 childHeight = height - getHeaderHeight() - getPaddingTop() - getPaddingBottom();
+
+		child->reshape(childWidth,childHeight);
+		
+		childRect.setLeftTopAndSize(
+			getPaddingLeft(),
+			childHeight + getPaddingBottom(),
+			childWidth, 
+			childHeight);
+
+		child->setRect(childRect);
+		
+		break;//suppose that there is only one panel
+	}
+
+}
+
+void LLAccordionCtrlTab::changeOpenClose(bool is_open)
+{
+	if(is_open)
+		mExpandedHeight = getRect().getHeight();
+
+	setDisplayChildren(!is_open);
+	reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
+	if (mCommitSignal)
+	{
+		(*mCommitSignal)(this, getDisplayChildren());
+	}
+}
+
+BOOL LLAccordionCtrlTab::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	if(mCollapsible && mHeaderVisible && mCanOpenClose)
+	{
+		if(y >= (getRect().getHeight() - HEADER_HEIGHT) )
+		{
+			LLAccordionCtrlTabHeader* header = getChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);
+			header->setFocus(true);
+			changeOpenClose(getDisplayChildren());
+
+			//reset stored state
+			mWasStateStored = false;
+			return TRUE;
+		}
+	}
+	return LLUICtrl::handleMouseDown(x,y,mask);
+}
+
+BOOL LLAccordionCtrlTab::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+	return LLUICtrl::handleMouseUp(x,y,mask);
+}
+
+boost::signals2::connection LLAccordionCtrlTab::setDropDownStateChangedCallback(commit_callback_t cb)
+{
+	return setCommitCallback(cb);
+}
+
+bool LLAccordionCtrlTab::addChild(LLView* child, S32 tab_group)
+{
+	if(DD_HEADER_NAME != child->getName())
+	{
+		reshape(child->getRect().getWidth() , child->getRect().getHeight() + HEADER_HEIGHT );
+		mExpandedHeight = getRect().getHeight();
+	}
+
+	bool res = LLUICtrl::addChild(child, tab_group);
+
+	if(DD_HEADER_NAME != child->getName())
+	{
+		if(!mCollapsible)
+			setDisplayChildren(true);
+		else
+			setDisplayChildren(getDisplayChildren());	
+	}
+
+	return res;
+}
+
+void LLAccordionCtrlTab::setAccordionView(LLView* panel)
+{
+	addChild(panel,0);
+}
+
+
+LLView*	LLAccordionCtrlTab::getAccordionView()
+{
+	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;
+}
+
+
+S32 LLAccordionCtrlTab::getHeaderHeight()
+{
+	return mHeaderVisible?HEADER_HEIGHT:0; 
+}
+
+void LLAccordionCtrlTab::setHeaderVisible(bool value) 
+{
+	if(mHeaderVisible == value)
+		return;
+	mHeaderVisible = value;
+	if(mHeader)
+		mHeader->setVisible(value);
+	reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
+};
+
+//vurtual
+BOOL LLAccordionCtrlTab::postBuild()
+{
+	mHeader->setVisible(mHeaderVisible);
+	return LLUICtrl::postBuild();
+}
+bool	LLAccordionCtrlTab::notifyChildren	(const LLSD& info)
+{
+	if(info.has("action"))
+	{
+		std::string str_action = info["action"];
+		if(str_action == "store_state")
+		{
+			storeOpenCloseState();
+			return true;
+		}
+		if(str_action == "restore_state")
+		{
+			restoreOpenCloseState();
+			return true;
+		}
+	}	
+	return LLUICtrl::notifyChildren(info);
+}
+
+S32	LLAccordionCtrlTab::notifyParent(const LLSD& info)
+{
+	if(info.has("action"))
+	{
+		std::string str_action = info["action"];
+		if(str_action == "size_changes")
+		{
+			//
+			S32 height = info["height"];
+			height = llmax(height,10) + HEADER_HEIGHT + getPaddingTop() + getPaddingBottom();
+			
+			mExpandedHeight = height;
+			
+			if(isExpanded())
+			{
+				LLRect panel_rect = getRect();
+				panel_rect.setLeftTopAndSize( panel_rect.mLeft, panel_rect.mTop, panel_rect.getWidth(), height);
+				reshape(getRect().getWidth(),height);
+				setRect(panel_rect);
+			}
+			
+			//LLAccordionCtrl should rearrange accodion tab if one of accordion change its size
+			getParent()->notifyParent(info);
+			return 1;
+		}
+		else if(str_action == "select_prev") 
+		{
+			showAndFocusHeader();
+			return 1;
+		}
+	}
+	return LLUICtrl::notifyParent(info);
+}
+
+S32 LLAccordionCtrlTab::notify(const LLSD& info)
+{
+	if(info.has("action"))
+	{
+		std::string str_action = info["action"];
+		if(str_action == "select_first")
+		{
+			showAndFocusHeader();
+			return 1;
+		}
+		else if( str_action == "select_last" )
+		{
+			if(getDisplayChildren() == false)
+			{
+				showAndFocusHeader();
+			}
+			else
+			{
+				LLView* view = getAccordionView();
+				if(view)
+					view->notify(LLSD().with("action","select_last"));
+			}
+		}
+	}
+	return 0;
+}
+
+BOOL LLAccordionCtrlTab::handleKey(KEY key, MASK mask, BOOL called_from_parent)
+{
+	LLAccordionCtrlTabHeader* header = getChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);	
+	if( !header->hasFocus() )
+		return LLUICtrl::handleKey(key, mask, called_from_parent);
+
+	if ( (key == KEY_ADD || key == KEY_RIGHT)&& mask == MASK_NONE)
+	{
+		if(getDisplayChildren() == false)
+		{
+			changeOpenClose(getDisplayChildren());
+			return TRUE;
+		}
+	}
+	if ( (key == KEY_SUBTRACT || key == KEY_LEFT)&& mask == MASK_NONE)
+	{
+		if(getDisplayChildren() == true)
+		{
+			changeOpenClose(getDisplayChildren());
+			return TRUE;
+		}
+	}
+
+	if ( key == KEY_DOWN && mask == MASK_NONE)
+	{
+		//if collapsed go to the next accordion
+		if(getDisplayChildren() == false)
+			//we processing notifyParent so let call parent directly
+			getParent()->notifyParent(LLSD().with("action","select_next"));
+		else
+		{
+			getAccordionView()->notify(LLSD().with("action","select_first"));
+		}
+		return TRUE;
+	}
+
+	if ( key == KEY_UP && mask == MASK_NONE)
+	{
+		//go to the previous accordion
+
+		//we processing notifyParent so let call parent directly
+		getParent()->notifyParent(LLSD().with("action","select_prev"));
+		return TRUE;
+	}
+
+	return LLUICtrl::handleKey(key, mask, called_from_parent);
+}
+
+void LLAccordionCtrlTab::showAndFocusHeader()
+{
+	LLAccordionCtrlTabHeader* header = getChild<LLAccordionCtrlTabHeader>(DD_HEADER_NAME);	
+	header->setFocus(true);
+
+	LLRect screen_rc;
+	LLRect selected_rc = header->getRect();
+	localRectToScreen(selected_rc, &screen_rc);
+	notifyParent(LLSD().with("scrollToShowRect",screen_rc.getValue()));
+
+}
+void    LLAccordionCtrlTab::storeOpenCloseState()
+{
+	if(mWasStateStored)
+		return;
+	mStoredOpenCloseState = getDisplayChildren();
+	mWasStateStored = true;
+}
+void   LLAccordionCtrlTab::restoreOpenCloseState()
+{
+	if(!mWasStateStored)
+		return;
+	if(getDisplayChildren() != mStoredOpenCloseState)
+	{
+		changeOpenClose(getDisplayChildren());
+	}
+	mWasStateStored = false;
+}