/** * @file lltooltip.cpp * @brief LLToolTipMgr class implementation and related classes * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "linden_common.h" // self include #include "lltooltip.h" // Library includes #include "lltextbox.h" #include "lliconctrl.h" #include "llbutton.h" #include "llmenugl.h" // hideMenus() #include "llui.h" // positionViewNearMouse() #include "llwindow.h" #include "lltrans.h" // // Constants // // // Local globals // LLToolTipView *gToolTipView = NULL; // // Member functions // static LLDefaultChildRegistry::Register<LLToolTipView> register_tooltip_view("tooltip_view"); LLToolTipView::Params::Params() { mouse_opaque = false; } LLToolTipView::LLToolTipView(const LLToolTipView::Params& p) : LLView(p) { } void LLToolTipView::draw() { LLToolTipMgr::instance().updateToolTipVisibility(); // do the usual thing LLView::draw(); } BOOL LLToolTipView::handleHover(S32 x, S32 y, MASK mask) { static S32 last_x = x; static S32 last_y = y; LLToolTipMgr& tooltip_mgr = LLToolTipMgr::instance(); if (x != last_x && y != last_y && !tooltip_mgr.getMouseNearRect().pointInRect(x, y)) { // allow new tooltips because mouse moved outside of mouse near rect tooltip_mgr.unblockToolTips(); } last_x = x; last_y = y; return LLView::handleHover(x, y, mask); } BOOL LLToolTipView::handleMouseDown(S32 x, S32 y, MASK mask) { LLToolTipMgr::instance().blockToolTips(); if (LLView::handleMouseDown(x, y, mask)) { // If we are handling the mouse event menu holder // won't get a chance to close menus so do this here LLMenuGL::sMenuContainer->hideMenus(); return TRUE; } return FALSE; } BOOL LLToolTipView::handleMiddleMouseDown(S32 x, S32 y, MASK mask) { LLToolTipMgr::instance().blockToolTips(); return LLView::handleMiddleMouseDown(x, y, mask); } BOOL LLToolTipView::handleRightMouseDown(S32 x, S32 y, MASK mask) { LLToolTipMgr::instance().blockToolTips(); return LLView::handleRightMouseDown(x, y, mask); } BOOL LLToolTipView::handleScrollWheel( S32 x, S32 y, S32 clicks ) { LLToolTipMgr::instance().blockToolTips(); return FALSE; } void LLToolTipView::drawStickyRect() { gl_rect_2d(LLToolTipMgr::instance().getMouseNearRect(), LLColor4::white, false); } // defaults for floater param block pulled from widgets/floater.xml static LLWidgetNameRegistry::StaticRegistrar sRegisterInspectorParams(&typeid(LLInspector::Params), "inspector"); // // LLToolTip // static LLDefaultChildRegistry::Register<LLToolTip> register_tooltip("tool_tip"); LLToolTip::Params::Params() : max_width("max_width", 200), padding("padding", 4), wrap("wrap", true), pos("pos"), message("message"), delay_time("delay_time", LLUI::sSettingGroups["config"]->getF32( "ToolTipDelay" )), visible_time_over("visible_time_over", LLUI::sSettingGroups["config"]->getF32( "ToolTipVisibleTimeOver" )), visible_time_near("visible_time_near", LLUI::sSettingGroups["config"]->getF32( "ToolTipVisibleTimeNear" )), visible_time_far("visible_time_far", LLUI::sSettingGroups["config"]->getF32( "ToolTipVisibleTimeFar" )), sticky_rect("sticky_rect"), image("image"), text_color("text_color"), time_based_media("time_based_media", false), web_based_media("web_based_media", false), media_playing("media_playing", false) { chrome = true; } LLToolTip::LLToolTip(const LLToolTip::Params& p) : LLPanel(p), mHasClickCallback(p.click_callback.isProvided()), mPadding(p.padding), mTextBox(NULL), mInfoButton(NULL), mPlayMediaButton(NULL), mHomePageButton(NULL) { LLTextBox::Params params; params.name = params.initial_value().asString(); // bake textbox padding into initial rect params.rect = LLRect (mPadding, mPadding + 1, mPadding + 1, mPadding); params.h_pad = 0; params.v_pad = 0; params.mouse_opaque = false; params.text_color = p.text_color; params.bg_visible = false; params.font = p.font; params.use_ellipses = true; params.wrap = p.wrap; params.parse_urls = false; // disallow hyperlinks in tooltips, as they want to spawn their own explanatory tooltips mTextBox = LLUICtrlFactory::create<LLTextBox> (params); addChild(mTextBox); S32 TOOLTIP_ICON_SIZE = 0; S32 TOOLTIP_PLAYBUTTON_SIZE = 0; if (p.image.isProvided()) { LLButton::Params icon_params; icon_params.name = "tooltip_info"; icon_params.label(""); // provid label but set to empty so name does not overwrite it -angela LLRect icon_rect; LLUIImage* imagep = p.image; TOOLTIP_ICON_SIZE = (imagep ? imagep->getWidth() : 16); icon_rect.setOriginAndSize(mPadding, mPadding, TOOLTIP_ICON_SIZE, TOOLTIP_ICON_SIZE); icon_params.rect = icon_rect; icon_params.image_unselected(imagep); icon_params.image_selected(imagep); icon_params.scale_image(true); icon_params.flash_color(icon_params.highlight_color()); mInfoButton = LLUICtrlFactory::create<LLButton>(icon_params); if (p.click_callback.isProvided()) { mInfoButton->setCommitCallback(boost::bind(p.click_callback())); } addChild(mInfoButton); // move text over to fit image in mTextBox->translate(TOOLTIP_ICON_SIZE + mPadding, 0); } if (p.time_based_media) { LLButton::Params p_button; p_button.name(std::string("play_media")); p_button.label(""); // provide label but set to empty so name does not overwrite it -angela TOOLTIP_PLAYBUTTON_SIZE = 16; LLRect button_rect; button_rect.setOriginAndSize((mPadding +TOOLTIP_ICON_SIZE+ mPadding ), mPadding, TOOLTIP_ICON_SIZE, TOOLTIP_ICON_SIZE); p_button.rect = button_rect; p_button.image_selected.name("button_anim_pause.tga"); p_button.image_unselected.name("button_anim_play.tga"); p_button.scale_image(true); mPlayMediaButton = LLUICtrlFactory::create<LLButton>(p_button); if(p.click_playmedia_callback.isProvided()) { mPlayMediaButton->setCommitCallback(boost::bind(p.click_playmedia_callback())); } mPlayMediaButton->setToggleState(p.media_playing); addChild(mPlayMediaButton); // move text over to fit image in mTextBox->translate(TOOLTIP_PLAYBUTTON_SIZE + mPadding, 0); } if (p.web_based_media) { LLButton::Params p_w_button; p_w_button.name(std::string("home_page")); p_w_button.label(""); // provid label but set to empty so name does not overwrite it -angela TOOLTIP_PLAYBUTTON_SIZE = 16; LLRect button_rect; button_rect.setOriginAndSize((mPadding +TOOLTIP_ICON_SIZE+ mPadding ), mPadding, TOOLTIP_ICON_SIZE, TOOLTIP_ICON_SIZE); p_w_button.rect = button_rect; p_w_button.image_unselected.name("map_home.tga"); p_w_button.scale_image(true); mHomePageButton = LLUICtrlFactory::create<LLButton>(p_w_button); if(p.click_homepage_callback.isProvided()) { mHomePageButton->setCommitCallback(boost::bind(p.click_homepage_callback())); } addChild(mHomePageButton); // move text over to fit image in mTextBox->translate(TOOLTIP_PLAYBUTTON_SIZE + mPadding, 0); } if (p.click_callback.isProvided()) { setMouseUpCallback(boost::bind(p.click_callback())); } } void LLToolTip::initFromParams(const LLToolTip::Params& p) { LLPanel::initFromParams(p); // do this *after* we've had our size set in LLPanel::initFromParams(); const S32 REALLY_LARGE_HEIGHT = 10000; mTextBox->reshape(p.max_width, REALLY_LARGE_HEIGHT); if (p.styled_message.isProvided()) { for (LLInitParam::ParamIterator<LLToolTip::StyledText>::const_iterator text_it = p.styled_message.begin(); text_it != p.styled_message.end(); ++text_it) { mTextBox->appendText(text_it->text(), false, text_it->style); } } else { mTextBox->setText(p.message()); } S32 text_width = llmin(p.max_width(), mTextBox->getTextPixelWidth()); S32 text_height = mTextBox->getTextPixelHeight(); mTextBox->reshape(text_width, text_height); // reshape tooltip panel to fit text box LLRect tooltip_rect = calcBoundingRect(); tooltip_rect.mTop += mPadding; tooltip_rect.mRight += mPadding; tooltip_rect.mBottom = 0; tooltip_rect.mLeft = 0; setShape(tooltip_rect); } void LLToolTip::setVisible(BOOL visible) { // fade out tooltip over time if (visible) { mVisibleTimer.start(); mFadeTimer.stop(); LLPanel::setVisible(TRUE); } else { mVisibleTimer.stop(); // don't actually change mVisible state, start fade out transition instead if (!mFadeTimer.getStarted()) { mFadeTimer.start(); } } } BOOL LLToolTip::handleHover(S32 x, S32 y, MASK mask) { //mInfoButton->setFlashing(true); if(mInfoButton) mInfoButton->setHighlight(true); LLPanel::handleHover(x, y, mask); if (mHasClickCallback) { getWindow()->setCursor(UI_CURSOR_HAND); } return TRUE; } void LLToolTip::onMouseLeave(S32 x, S32 y, MASK mask) { //mInfoButton->setFlashing(true); if(mInfoButton) mInfoButton->setHighlight(false); LLUICtrl::onMouseLeave(x, y, mask); } void LLToolTip::draw() { F32 alpha = 1.f; if (mFadeTimer.getStarted()) { F32 tool_tip_fade_time = LLUI::sSettingGroups["config"]->getF32("ToolTipFadeTime"); alpha = clamp_rescale(mFadeTimer.getElapsedTimeF32(), 0.f, tool_tip_fade_time, 1.f, 0.f); if (alpha == 0.f) { // finished fading out, so hide ourselves mFadeTimer.stop(); LLPanel::setVisible(false); } } // draw tooltip contents with appropriate alpha { LLViewDrawContext context(alpha); LLPanel::draw(); } } bool LLToolTip::isFading() { return mFadeTimer.getStarted(); } F32 LLToolTip::getVisibleTime() { return mVisibleTimer.getStarted() ? mVisibleTimer.getElapsedTimeF32() : 0.f; } bool LLToolTip::hasClickCallback() { return mHasClickCallback; } // // LLToolTipMgr // LLToolTipMgr::LLToolTipMgr() : mToolTipsBlocked(false), mToolTip(NULL), mNeedsToolTip(false) {} void LLToolTipMgr::createToolTip(const LLToolTip::Params& params) { // block all other tooltips until tooltips re-enabled (e.g. mouse moved) blockToolTips(); delete mToolTip; LLToolTip::Params tooltip_params(params); // block mouse events if there is a click handler registered (specifically, hover) if (params.click_callback.isProvided()) { // set mouse_opaque to true if it wasn't already set to something else // this prevents mouse down from going "through" the tooltip and ultimately // causing the tooltip to disappear tooltip_params.mouse_opaque.setIfNotProvided(true); } tooltip_params.rect = LLRect (0, 1, 1, 0); mToolTip = LLUICtrlFactory::create<LLToolTip> (tooltip_params); gToolTipView->addChild(mToolTip); if (params.pos.isProvided()) { LLCoordGL pos = params.pos; // try to spawn at requested position LLUI::positionViewNearMouse(mToolTip, pos.mX, pos.mY); } else { // just spawn at mouse location LLUI::positionViewNearMouse(mToolTip); } //...update "sticky" rect and tooltip position if (params.sticky_rect.isProvided()) { mMouseNearRect = params.sticky_rect; } else { S32 mouse_x; S32 mouse_y; LLUI::getMousePositionLocal(gToolTipView->getParent(), &mouse_x, &mouse_y); // allow mouse a little bit of slop before changing tooltips mMouseNearRect.setCenterAndSize(mouse_x, mouse_y, 3, 3); } // allow mouse to move all the way to the tooltip without changing tooltips // (tooltip can still time out) if (mToolTip->hasClickCallback()) { // keep tooltip up when we mouse over it mMouseNearRect.unionWith(mToolTip->getRect()); } } void LLToolTipMgr::show(const std::string& msg) { show(LLToolTip::Params().message(msg)); } void LLToolTipMgr::show(const LLToolTip::Params& params) { // fill in default tooltip params from tool_tip.xml LLToolTip::Params params_with_defaults(params); params_with_defaults.fillFrom(LLUICtrlFactory::instance().getDefaultParams<LLToolTip>()); if (!params_with_defaults.validateBlock()) { llwarns << "Could not display tooltip!" << llendl; return; } S32 mouse_x; S32 mouse_y; LLUI::getMousePositionLocal(gToolTipView, &mouse_x, &mouse_y); // are we ready to show the tooltip? if (!mToolTipsBlocked // we haven't hit a key, moved the mouse, etc. && LLUI::getMouseIdleTime() > params_with_defaults.delay_time) // the mouse has been still long enough { bool tooltip_changed = mLastToolTipParams.message() != params_with_defaults.message() || mLastToolTipParams.pos() != params_with_defaults.pos() || mLastToolTipParams.time_based_media() != params_with_defaults.time_based_media() || mLastToolTipParams.web_based_media() != params_with_defaults.web_based_media(); bool tooltip_shown = mToolTip && mToolTip->getVisible() && !mToolTip->isFading(); mNeedsToolTip = tooltip_changed || !tooltip_shown; // store description of tooltip for later creation mNextToolTipParams = params_with_defaults; } } // allow new tooltips to be created, e.g. after mouse has moved void LLToolTipMgr::unblockToolTips() { mToolTipsBlocked = false; } // disallow new tooltips until unblockTooltips called void LLToolTipMgr::blockToolTips() { hideToolTips(); mToolTipsBlocked = true; } void LLToolTipMgr::hideToolTips() { if (mToolTip) { mToolTip->setVisible(FALSE); } } bool LLToolTipMgr::toolTipVisible() { return mToolTip ? mToolTip->isInVisibleChain() : false; } LLRect LLToolTipMgr::getToolTipRect() { if (mToolTip && mToolTip->getVisible()) { return mToolTip->getRect(); } return LLRect(); } LLRect LLToolTipMgr::getMouseNearRect() { return toolTipVisible() ? mMouseNearRect : LLRect(); } // every frame, determine if current tooltip should be hidden void LLToolTipMgr::updateToolTipVisibility() { // create new tooltip if we have one ready to go if (mNeedsToolTip) { mNeedsToolTip = false; createToolTip(mNextToolTipParams); mLastToolTipParams = mNextToolTipParams; return; } // hide tooltips when mouse cursor is hidden if (LLUI::getWindow()->isCursorHidden()) { blockToolTips(); return; } // hide existing tooltips if they have timed out S32 mouse_x, mouse_y; LLUI::getMousePositionLocal(gToolTipView, &mouse_x, &mouse_y); F32 tooltip_timeout = 0.f; if (toolTipVisible()) { // mouse far away from tooltip tooltip_timeout = mLastToolTipParams.visible_time_far; // mouse near rect will only include the tooltip if the // tooltip is clickable if (mMouseNearRect.pointInRect(mouse_x, mouse_y)) { // mouse "close" to tooltip tooltip_timeout = mLastToolTipParams.visible_time_near; // if tooltip is clickable (has large mMouseNearRect) // than having cursor over tooltip keeps it up indefinitely if (mToolTip->parentPointInView(mouse_x, mouse_y)) { // mouse over tooltip itself, don't time out tooltip_timeout = mLastToolTipParams.visible_time_over; } } if (mToolTip->getVisibleTime() > tooltip_timeout) { hideToolTips(); unblockToolTips(); } } } // EOF