1 files changed, 271 insertions, 0 deletions
diff --git a/indra/newview/llpopupview.cpp b/indra/newview/llpopupview.cpp
new file mode 100755
index 0000000000..153f0930c2
--- /dev/null
+++ b/indra/newview/llpopupview.cpp
@@ -0,0 +1,271 @@
+/** 
+ * @file llpopupview.cpp
+ * @brief Holds transient popups
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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 "llviewerprecompiledheaders.h"
+
+#include "llpopupview.h"
+
+static LLPanelInjector<LLPopupView> r("popup_holder");
+
+bool view_visible_and_enabled(LLView* viewp)
+{
+	return viewp->getVisible() && viewp->getEnabled();
+}
+
+bool view_visible(LLView* viewp)
+{
+	return viewp->getVisible();
+}
+
+
+LLPopupView::LLPopupView(const LLPopupView::Params& p)
+: LLPanel(p)
+{
+	// register ourself as handler of UI popups
+	LLUI::setPopupFuncs(boost::bind(&LLPopupView::addPopup, this, _1), boost::bind(&LLPopupView::removePopup, this, _1), boost::bind(&LLPopupView::clearPopups, this));
+}
+
+LLPopupView::~LLPopupView()
+{
+	// set empty callback function so we can't handle popups anymore
+	LLUI::setPopupFuncs(LLUI::add_popup_t(), LLUI::remove_popup_t(), LLUI::clear_popups_t());
+}
+
+void LLPopupView::draw()
+{
+	S32 screen_x, screen_y;
+
+	// remove dead popups
+	for (popup_list_t::iterator popup_it = mPopups.begin();
+		popup_it != mPopups.end();)
+	{
+		if (!popup_it->get())
+		{
+			mPopups.erase(popup_it++);
+		}
+		else
+		{
+			popup_it++;
+		}
+	}
+
+	// draw in reverse order (most recent is on top)
+	for (popup_list_t::reverse_iterator popup_it = mPopups.rbegin();
+		popup_it != mPopups.rend();)
+	{
+		LLView* popup = popup_it->get();
+
+		if (popup->getVisible())
+		{
+			popup->localPointToScreen(0, 0, &screen_x, &screen_y);
+
+			LLUI::pushMatrix();
+			{
+				LLUI::translate( (F32) screen_x, (F32) screen_y);
+				popup->draw();
+			}
+			LLUI::popMatrix();
+		}
+		++popup_it;
+	}
+
+	LLPanel::draw();
+}
+
+BOOL LLPopupView::handleMouseEvent(boost::function<BOOL(LLView*, S32, S32)> func, 
+								   boost::function<bool(LLView*)> predicate, 
+								   S32 x, S32 y,
+								   bool close_popups)
+{
+	BOOL handled = FALSE;
+
+	// make a copy of list of popups, in case list is modified during mouse event handling
+	popup_list_t popups(mPopups);
+	for (popup_list_t::iterator popup_it = popups.begin(), popup_end = popups.end();
+		popup_it != popup_end;
+		++popup_it)
+	{
+		LLView* popup = popup_it->get();
+		if (!popup 
+			|| !predicate(popup))
+		{
+			continue;
+		}
+
+		S32 popup_x, popup_y;
+		if (localPointToOtherView(x, y, &popup_x, &popup_y, popup) 
+			&& popup->pointInView(popup_x, popup_y))
+		{
+			if (func(popup, popup_x, popup_y))
+			{
+				handled = TRUE;
+				break;
+			}
+		}
+
+		if (close_popups)
+		{
+			mPopups.remove(*popup_it);
+			popup->onTopLost();
+		}
+	}
+
+	return handled;
+}
+
+
+BOOL LLPopupView::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleMouseDown, _1, _2, _3, mask), view_visible_and_enabled, x, y, true);
+	if (!handled)
+	{
+		handled = LLPanel::handleMouseDown(x, y, mask);
+	}
+	return handled;
+}
+
+BOOL LLPopupView::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleMouseUp, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
+	if (!handled)
+	{
+		handled = LLPanel::handleMouseUp(x, y, mask);
+	}
+	return handled;
+}
+
+BOOL LLPopupView::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleMiddleMouseDown, _1, _2, _3, mask), view_visible_and_enabled, x, y, true);
+	if (!handled)
+	{
+		handled = LLPanel::handleMiddleMouseDown(x, y, mask);
+	}
+	return handled;	
+}
+
+BOOL LLPopupView::handleMiddleMouseUp(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleMiddleMouseUp, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
+	if (!handled)
+	{
+		handled = LLPanel::handleMiddleMouseUp(x, y, mask);
+	}
+	return handled;	
+}
+
+BOOL LLPopupView::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleRightMouseDown, _1, _2, _3, mask), view_visible_and_enabled, x, y, true);
+	if (!handled)
+	{
+		handled = LLPanel::handleRightMouseDown(x, y, mask);
+	}
+	return handled;	
+}
+
+BOOL LLPopupView::handleRightMouseUp(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleRightMouseUp, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
+	if (!handled)
+	{
+		handled = LLPanel::handleRightMouseUp(x, y, mask);
+	}
+	return handled;	
+}
+
+BOOL LLPopupView::handleDoubleClick(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleDoubleClick, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
+	if (!handled)
+	{
+		handled = LLPanel::handleDoubleClick(x, y, mask);
+	}
+	return handled;	
+}
+
+BOOL LLPopupView::handleHover(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleHover, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
+	if (!handled)
+	{
+		handled = LLPanel::handleHover(x, y, mask);
+	}
+	return handled;	
+}
+
+BOOL LLPopupView::handleScrollWheel(S32 x, S32 y, S32 clicks)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleScrollWheel, _1, _2, _3, clicks), view_visible_and_enabled, x, y, false);
+	if (!handled)
+	{
+		handled = LLPanel::handleScrollWheel(x, y, clicks);
+	}
+	return handled;	
+}
+
+BOOL LLPopupView::handleToolTip(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = handleMouseEvent(boost::bind(&LLMouseHandler::handleToolTip, _1, _2, _3, mask), view_visible, x, y, false);
+	if (!handled)
+	{
+		handled = LLPanel::handleToolTip(x, y, mask);
+	}
+	return handled;
+}
+
+void LLPopupView::addPopup(LLView* popup)
+{
+	if (popup)
+	{
+		mPopups.remove(popup->getHandle());
+		mPopups.push_front(popup->getHandle());
+	}
+}
+
+void LLPopupView::removePopup(LLView* popup)
+{
+	if (popup)
+	{
+		mPopups.remove(popup->getHandle());
+		popup->onTopLost();
+	}
+}
+
+void LLPopupView::clearPopups()
+{
+	for (popup_list_t::iterator popup_it = mPopups.begin();
+		popup_it != mPopups.end();)
+	{
+		LLView* popup = popup_it->get();
+
+		popup_list_t::iterator cur_popup_it = popup_it;
+		++popup_it;
+
+		mPopups.erase(cur_popup_it);
+		popup->onTopLost();
+	}
+}
+