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/**
* @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 std::string& title, S32 width, S32 height, BOOL modal )
: LLFloater( std::string("modal container"),
LLRect( 0, height, width, 0 ),
title,
FALSE, // resizable
DEFAULT_MIN_WIDTH, DEFAULT_MIN_HEIGHT,
FALSE, // drag_on_left
modal ? FALSE : TRUE, // minimizable
modal ? FALSE : TRUE, // close button
TRUE), // bordered
mModal( modal )
{
setVisible( FALSE );
setBackgroundVisible(TRUE);
setBackgroundOpaque(TRUE);
centerOnScreen(); // default position
}
LLModalDialog::~LLModalDialog()
{
// don't unlock focus unless we have it
if (gFocusMgr.childHasKeyboardFocus(this))
{
gFocusMgr.unlockFocus();
}
}
// virtual
void LLModalDialog::open() /* Flawfinder: ignore */
{
// SJB: Hack! Make sure we don't ever host a modal dialog
LLMultiFloater* thost = LLFloater::getFloaterHost();
LLFloater::setFloaterHost(NULL);
LLFloater::open();
LLFloater::setFloaterHost(thost);
}
void LLModalDialog::reshape(S32 width, S32 height, BOOL called_from_parent)
{
LLFloater::reshape(width, height, called_from_parent);
centerOnScreen();
}
void LLModalDialog::startModal()
{
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 );
gFocusMgr.setTopCtrl( this );
setFocus(TRUE);
sModalStack.push_front( this );
}
setVisible( TRUE );
}
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
gFocusMgr.setTopCtrl( 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)
{
close();
return TRUE;
}
return FALSE;
}
}
void LLModalDialog::onClose(bool app_quitting)
{
stopModal();
LLFloater::onClose(app_quitting);
}
// virtual
void LLModalDialog::draw()
{
LLColor4 shadow_color = LLUI::sColorsGroup->getColor("ColorDropShadow");
S32 shadow_lines = LLUI::sConfigGroup->getS32("DropShadowFloater");
gl_drop_shadow( 0, getRect().getHeight(), getRect().getWidth(), 0,
shadow_color, shadow_lines);
LLFloater::draw();
if (mModal)
{
// If we've lost focus to a non-child, get it back ASAP.
if( gFocusMgr.getTopCtrl() != this )
{
gFocusMgr.setTopCtrl( this );
}
if( !gFocusMgr.childHasKeyboardFocus( this ) )
{
setFocus(TRUE);
}
if( !gFocusMgr.childHasMouseCapture( this ) )
{
gFocusMgr.setMouseCapture( this );
}
}
}
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 );
}
if( gFocusMgr.childHasKeyboardFocus( instance ) )
{
gFocusMgr.setKeyboardFocus( NULL );
}
}
}
// 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);
gFocusMgr.setTopCtrl( instance );
instance->centerOnScreen();
}
}
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