/** * @file llmodaldialog.cpp * @brief LLModalDialog base class * * $LicenseInfo:firstyear=2002&license=viewergpl$ * * Copyright (c) 2002-2009, 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 "llmodaldialog.h" #include "llfocusmgr.h" #include "v4color.h" #include "v2math.h" #include "llui.h" #include "llwindow.h" #include "llkeyboard.h" // static std::list<LLModalDialog*> LLModalDialog::sModalStack; LLModalDialog::LLModalDialog( const LLSD& key, BOOL modal ) : LLFloater(key), mModal( modal ) { if (modal) { setCanMinimize(FALSE); setCanClose(FALSE); } setVisible( FALSE ); setBackgroundVisible(TRUE); setBackgroundOpaque(TRUE); centerOnScreen(); // default position mCloseSignal.connect(boost::bind(&LLModalDialog::stopModal, this)); } LLModalDialog::~LLModalDialog() { // don't unlock focus unless we have it if (gFocusMgr.childHasKeyboardFocus(this)) { gFocusMgr.unlockFocus(); } std::list<LLModalDialog*>::iterator iter = std::find(sModalStack.begin(), sModalStack.end(), this); if (iter != sModalStack.end()) { llerrs << "Attempt to delete dialog while still in sModalStack!" << llendl; } } // virtual BOOL LLModalDialog::postBuild() { return LLFloater::postBuild(); } // virtual void LLModalDialog::openFloater(const LLSD& key) { // SJB: Hack! Make sure we don't ever host a modal dialog LLMultiFloater* thost = LLFloater::getFloaterHost(); LLFloater::setFloaterHost(NULL); LLFloater::openFloater(key); LLFloater::setFloaterHost(thost); } void LLModalDialog::reshape(S32 width, S32 height, BOOL called_from_parent) { LLFloater::reshape(width, height, called_from_parent); centerOnScreen(); } // virtual void LLModalDialog::onOpen(const LLSD& key) { if (mModal) { // If Modal, Hide the active modal dialog if (!sModalStack.empty()) { LLModalDialog* front = sModalStack.front(); front->setVisible(FALSE); } // This is a modal dialog. It sucks up all mouse and keyboard operations. gFocusMgr.setMouseCapture( this ); LLUI::addPopup(this); setFocus(TRUE); sModalStack.push_front( this ); } } void LLModalDialog::stopModal() { gFocusMgr.unlockFocus(); gFocusMgr.releaseFocusIfNeeded( this ); if (mModal) { std::list<LLModalDialog*>::iterator iter = std::find(sModalStack.begin(), sModalStack.end(), this); if (iter != sModalStack.end()) { sModalStack.erase(iter); } else { llwarns << "LLModalDialog::stopModal not in list!" << llendl; } } if (!sModalStack.empty()) { LLModalDialog* front = sModalStack.front(); front->setVisible(TRUE); } } void LLModalDialog::setVisible( BOOL visible ) { if (mModal) { if( visible ) { // This is a modal dialog. It sucks up all mouse and keyboard operations. gFocusMgr.setMouseCapture( this ); // The dialog view is a root view LLUI::addPopup(this); setFocus( TRUE ); } else { gFocusMgr.releaseFocusIfNeeded( this ); } } LLFloater::setVisible( visible ); } BOOL LLModalDialog::handleMouseDown(S32 x, S32 y, MASK mask) { if (mModal) { if (!LLFloater::handleMouseDown(x, y, mask)) { // Click was outside the panel make_ui_sound("UISndInvalidOp"); } } else { LLFloater::handleMouseDown(x, y, mask); } return TRUE; } BOOL LLModalDialog::handleHover(S32 x, S32 y, MASK mask) { if( childrenHandleHover(x, y, mask) == NULL ) { getWindow()->setCursor(UI_CURSOR_ARROW); lldebugst(LLERR_USER_INPUT) << "hover handled by " << getName() << llendl; } return TRUE; } BOOL LLModalDialog::handleMouseUp(S32 x, S32 y, MASK mask) { childrenHandleMouseUp(x, y, mask); return TRUE; } BOOL LLModalDialog::handleScrollWheel(S32 x, S32 y, S32 clicks) { childrenHandleScrollWheel(x, y, clicks); return TRUE; } BOOL LLModalDialog::handleDoubleClick(S32 x, S32 y, MASK mask) { if (!LLFloater::handleDoubleClick(x, y, mask)) { // Click outside the panel make_ui_sound("UISndInvalidOp"); } return TRUE; } BOOL LLModalDialog::handleRightMouseDown(S32 x, S32 y, MASK mask) { childrenHandleRightMouseDown(x, y, mask); return TRUE; } BOOL LLModalDialog::handleKeyHere(KEY key, MASK mask ) { LLFloater::handleKeyHere(key, mask ); if (mModal) { // Suck up all keystokes except CTRL-Q. BOOL is_quit = ('Q' == key) && (MASK_CONTROL == mask); return !is_quit; } else { // don't process escape key until message box has been on screen a minimal amount of time // to avoid accidentally destroying the message box when user is hitting escape at the time it appears BOOL enough_time_elapsed = mVisibleTime.getElapsedTimeF32() > 1.0f; if (enough_time_elapsed && key == KEY_ESCAPE) { closeFloater(); return TRUE; } return FALSE; } } // virtual void LLModalDialog::draw() { static LLUIColor shadow_color = LLUIColorTable::instance().getColor("ColorDropShadow"); static LLUICachedControl<S32> shadow_lines ("DropShadowFloater", 0); gl_drop_shadow( 0, getRect().getHeight(), getRect().getWidth(), 0, shadow_color, shadow_lines); LLFloater::draw(); // Focus retrieval moved to LLFloaterView::refresh() } void LLModalDialog::centerOnScreen() { LLVector2 window_size = LLUI::getWindowSize(); centerWithin(LLRect(0, 0, llround(window_size.mV[VX]), llround(window_size.mV[VY]))); } // static void LLModalDialog::onAppFocusLost() { if( !sModalStack.empty() ) { LLModalDialog* instance = LLModalDialog::sModalStack.front(); if( gFocusMgr.childHasMouseCapture( instance ) ) { gFocusMgr.setMouseCapture( NULL ); } instance->setFocus(FALSE); } } // static void LLModalDialog::onAppFocusGained() { if( !sModalStack.empty() ) { LLModalDialog* instance = LLModalDialog::sModalStack.front(); // This is a modal dialog. It sucks up all mouse and keyboard operations. gFocusMgr.setMouseCapture( instance ); instance->setFocus(TRUE); LLUI::addPopup(instance); instance->centerOnScreen(); } } void LLModalDialog::shutdownModals() { // This method is only for use during app shutdown. ~LLModalDialog() // checks sModalStack, and if the dialog instance is still there, it // crumps with "Attempt to delete dialog while still in sModalStack!" But // at app shutdown, all bets are off. If the user asks to shut down the // app, we shouldn't have to care WHAT's open. Put differently, if a modal // dialog is so crucial that we can't let the user terminate until s/he // addresses it, we should reject a termination request. The current state // of affairs is that we accept it, but then produce an llerrs popup that // simply makes our software look unreliable. sModalStack.clear(); }