phoenix-firestorm/indra/llui/llmenubutton.cpp

138 lines
3.0 KiB
C++

/**
* @file llbutton.cpp
* @brief LLButton base class
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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"
#include "llmenubutton.h"
// Linden library includes
#include "llmenugl.h"
#include "llstring.h"
#include "v4color.h"
static LLDefaultChildRegistry::Register<LLMenuButton> r("menu_button");
LLMenuButton::Params::Params()
: menu_filename("menu_filename")
{
}
LLMenuButton::LLMenuButton(const LLMenuButton::Params& p)
: LLButton(p),
mMenu(NULL),
mMenuVisibleLastFrame(false)
{
std::string menu_filename = p.menu_filename;
if (!menu_filename.empty())
{
mMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
if (!mMenu)
{
llwarns << "Error loading menu_button menu" << llendl;
}
}
}
void LLMenuButton::toggleMenu()
{
if(!mMenu)
return;
if (mMenu->getVisible() || mMenuVisibleLastFrame)
{
mMenu->setVisible(FALSE);
}
else
{
LLRect rect = getRect();
//mMenu->needsArrange(); //so it recalculates the visible elements
LLMenuGL::showPopup(getParent(), mMenu, rect.mLeft, rect.mBottom);
}
}
void LLMenuButton::hideMenu()
{
if(!mMenu)
return;
mMenu->setVisible(FALSE);
}
BOOL LLMenuButton::handleKeyHere(KEY key, MASK mask )
{
if( KEY_RETURN == key && mask == MASK_NONE && !gKeyboard->getKeyRepeated(key))
{
toggleMenu();
return TRUE;
}
if (mMenu && mMenu->getVisible() && key == KEY_ESCAPE && mask == MASK_NONE)
{
mMenu->setVisible(FALSE);
return TRUE;
}
return FALSE;
}
BOOL LLMenuButton::handleMouseDown(S32 x, S32 y, MASK mask)
{
if (hasTabStop() && !getIsChrome())
{
setFocus(TRUE);
}
toggleMenu();
if (getSoundFlags() & MOUSE_DOWN)
{
make_ui_sound("UISndClick");
}
return TRUE;
}
void LLMenuButton::draw()
{
//we save this off so next frame when we try to close it by
//button click, and it hides menus before we get to it, we know
mMenuVisibleLastFrame = mMenu && mMenu->getVisible();
if (mMenuVisibleLastFrame)
{
setForcePressedState(true);
}
LLButton::draw();
setForcePressedState(false);
}