diff options
Diffstat (limited to 'indra/llui/llaccordionctrltab.cpp')
| -rw-r--r-- | indra/llui/llaccordionctrltab.cpp | 599 |
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; +} |