Singularity-Viewer/SingularityViewer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
e71d94aa69f2c6330831ffafac9d43588d2aa446
SingularityViewer/indra/llui/llview.cpp
Inusaito Sayori e71d94aa69 Words lie. People lie. The land tells the truth.
2015-05-05 20:35:01 -04:00

3076 lines
72 KiB
C++
Raw Blame History

/**
* @file llview.cpp
* @author James Cook
* @brief Container for other views, anything that draws.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, 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 "llview.h"
#include <cassert>
#include <boost/tokenizer.hpp>
#include <boost/foreach.hpp>
#include "llrender.h"
#include "llevent.h"
#include "llfontgl.h"
#include "llfocusmgr.h"
#include "llrect.h"
#include "llstl.h"
#include "llui.h"
#include "lluictrl.h"
#include "llwindow.h"
#include "v3color.h"
#include "lluictrlfactory.h"
// for ui edit hack
#include "llbutton.h"
#include "lllineeditor.h"
#include "lltexteditor.h"
#include "lltextbox.h"
#include "llfasttimer.h"
using namespace LLOldEvents;
//HACK: this allows you to instantiate LLView from xml with "<view/>" which we don't want
static LLRegisterWidget<LLView> r("view");
BOOL LLView::sDebugRects = FALSE;
BOOL LLView::sDebugKeys = FALSE;
S32 LLView::sDepth = 0;
BOOL LLView::sDebugMouseHandling = FALSE;
std::string LLView::sMouseHandlerMessage;
BOOL LLView::sEditingUI = FALSE;
BOOL LLView::sForceReshape = FALSE;
LLView* LLView::sEditingUIView = NULL;
S32 LLView::sLastLeftXML = S32_MIN;
S32 LLView::sLastBottomXML = S32_MIN;
std::vector<LLViewDrawContext*> LLViewDrawContext::sDrawContextStack;
LLView::DrilldownFunc LLView::sDrilldown =
boost::bind(&LLView::pointInView, _1, _2, _3, HIT_TEST_USE_BOUNDING_RECT);
#if LL_DEBUG
BOOL LLView::sIsDrawing = FALSE;
#endif
LLView::Follows::Follows()
: string(""),
flags("flags", FOLLOWS_NONE)
{}
LLView::Params::Params()
: name("name", std::string("unnamed")),
enabled("enabled", true),
visible("visible", true),
mouse_opaque("mouse_opaque", true),
follows("follows"),
hover_cursor("hover_cursor", "UI_CURSOR_ARROW"),
use_bounding_rect("use_bounding_rect", false),
tab_group("tab_group", 0),
default_tab_group("default_tab_group"),
//tool_tip("tool_tip"),
sound_flags("sound_flags", MOUSE_UP),
layout("layout"),
rect("rect"),
bottom_delta("bottom_delta", S32_MAX),
top_pad("top_pad"),
top_delta("top_delta", S32_MAX),
left_pad("left_pad"),
left_delta("left_delta", S32_MAX),
from_xui("from_xui", true),
focus_root("focus_root", false),
needs_translate("translate"),
xmlns("xmlns"),
xmlns_xsi("xmlns:xsi"),
xsi_schemaLocation("xsi:schemaLocation"),
xsi_type("xsi:type")
{
addSynonym(rect, "");
}
LLView::LLView(const LLView::Params& p)
{
init(p);
}
void LLView::init(const LLView::Params& p)
{
mVisible = p.visible;
mInDraw = false;
mName = p.name;
mParentView = NULL;
mReshapeFlags = FOLLOWS_NONE;
mSaveToXML = p.from_xui;
mIsFocusRoot = p.focus_root;
mLastVisible = FALSE;
mNextInsertionOrdinal = 0;
mHoverCursor = getCursorFromString(p.hover_cursor);
mEnabled = p.enabled;
mMouseOpaque = p.mouse_opaque;
mSoundFlags = p.sound_flags;
mUseBoundingRect = p.use_bounding_rect;
mDefaultTabGroup = p.default_tab_group;
mLastTabGroup = 0;
//mToolTipMsg((LLStringExplicit)p.tool_tip()),
//mDefaultWidgets(NULL)
// create rect first, as this will supply initial follows flags
setShape(p.rect);
parseFollowsFlags(p);
}
LLView::LLView()
{
init(LLView::Params());
}
LLView::LLView(const std::string& name, BOOL mouse_opaque)
{
LLView::Params p;
p.name = name;
p.mouse_opaque = mouse_opaque;
init(p);
}
LLView::LLView( const std::string& name, const LLRect& rect, BOOL mouse_opaque, U32 reshape)
{
LLView::Params p;
p.name = name;
p.mouse_opaque = mouse_opaque;
p.rect = rect;
p.follows.flags = reshape;
init(p);
}
LLView::~LLView()
{
//llinfos << "Deleting view " << mName << ":" << (void*) this << llendl;
// llassert(LLView::sIsDrawing == FALSE);
if( hasMouseCapture() )
{
//llwarns << "View holding mouse capture deleted: " << getName() << ". Mouse capture removed." << llendl;
gFocusMgr.removeMouseCaptureWithoutCallback( this );
}
deleteAllChildren();
if (mParentView != NULL)
{
mParentView->removeChild(this);
}
dispatch_list_t::iterator itor;
for (itor = mDispatchList.begin(); itor != mDispatchList.end(); ++itor)
{
(*itor).second->clearDispatchers();
}
std::for_each(mFloaterControls.begin(), mFloaterControls.end(),
DeletePairedPointer());
std::for_each(mDummyWidgets.begin(), mDummyWidgets.end(),
DeletePairedPointer());
}
// virtual
BOOL LLView::isView() const
{
return TRUE;
}
// virtual
BOOL LLView::isCtrl() const
{
return FALSE;
}
// virtual
BOOL LLView::isPanel() const
{
return FALSE;
}
// virtual
void LLView::setToolTip(const LLStringExplicit& msg)
{
mToolTipMsg = msg;
}
BOOL LLView::setToolTipArg(const LLStringExplicit& key, const LLStringExplicit& text)
{
mToolTipMsg.setArg(key, text);
return TRUE;
}
void LLView::setToolTipArgs( const LLStringUtil::format_map_t& args )
{
mToolTipMsg.setArgList(args);
}
// virtual
void LLView::setRect(const LLRect& rect)
{
mRect = rect;
updateBoundingRect();
}
void LLView::setUseBoundingRect( BOOL use_bounding_rect )
{
if (mUseBoundingRect != use_bounding_rect)
{
mUseBoundingRect = use_bounding_rect;
updateBoundingRect();
}
}
BOOL LLView::getUseBoundingRect() const
{
return mUseBoundingRect;
}
// virtual
const std::string& LLView::getName() const
{
static std::string no_name("(no name)");
return mName.empty() ? no_name : mName;
}
void LLView::sendChildToFront(LLView* child)
{
if (child && child->getParent() == this)
{
// minor optimization, but more importantly,
// won't temporarily create an empty list
if (child != mChildList.front())
{
mChildList.remove( child );
mChildList.push_front(child);
}
}
}
void LLView::sendChildToBack(LLView* child)
{
// llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs
if (child && child->getParent() == this)
{
// minor optimization, but more importantly,
// won't temporarily create an empty list
if (child != mChildList.back())
{
mChildList.remove( child );
mChildList.push_back(child);
}
}
}
void LLView::moveChildToFrontOfTabGroup(LLUICtrl* child)
{
if(mCtrlOrder.find(child) != mCtrlOrder.end())
{
mCtrlOrder[child].second = -1 * mNextInsertionOrdinal++;
}
}
void LLView::moveChildToBackOfTabGroup(LLUICtrl* child)
{
if(mCtrlOrder.find(child) != mCtrlOrder.end())
{
mCtrlOrder[child].second = mNextInsertionOrdinal++;
}
}
// virtual
bool LLView::addChild(LLView* child, S32 tab_group)
{
if (!child)
{
return false;
}
if (mParentView == child)
{
llerrs << "Adding view " << child->getName() << " as child of itself" << llendl;
}
// remove from current parent
if (child->mParentView)
{
child->mParentView->removeChild(child);
}
// add to front of child list, as normal
mChildList.push_front(child);
mChildHashMap[child->getName()]=child;
// add to ctrl list if is LLUICtrl
if (child->isCtrl())
{
LLUICtrl* ctrl = static_cast<LLUICtrl*>(child);
mCtrlOrder.insert(tab_order_pair_t(ctrl,
tab_order_t(tab_group, mNextInsertionOrdinal)));
mNextInsertionOrdinal++;
}
child->mParentView = this;
updateBoundingRect();
mLastTabGroup = tab_group;
return true;
}
bool LLView::addChildInBack(LLView* child, S32 tab_group)
{
if(addChild(child, tab_group))
{
sendChildToBack(child);
return true;
}
return false;
}
// remove the specified child from the view, and set it's parent to NULL.
void LLView::removeChild(LLView* child)
{
//llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs
if (child->mParentView == this)
{
// if we are removing an item we are currently iterating over, that would be bad
llassert(child->mInDraw == false);
mChildList.remove( child );
for(boost::unordered_map<const std::string, LLView*>::iterator it=mChildHashMap.begin(); it != mChildHashMap.end(); ++it)
{
if(it->second == child)
{
mChildHashMap.erase(it);
break;
}
}
child->mParentView = NULL;
if (child->isCtrl())
{
child_tab_order_t::iterator found = mCtrlOrder.find(static_cast<LLUICtrl*>(child));
if(found != mCtrlOrder.end())
{
mCtrlOrder.erase(found);
}
}
}
else
{
llwarns << child->getName() << "is not a child of " << getName() << llendl;
}
updateBoundingRect();
}
LLView::ctrl_list_t LLView::getCtrlList() const
{
ctrl_list_t controls;
BOOST_FOREACH(LLView* viewp, mChildList)
{
if(viewp->isCtrl())
{
controls.push_back(static_cast<LLUICtrl*>(viewp));
}
}
return controls;
}
LLView::ctrl_list_t LLView::getCtrlListSorted() const
{
ctrl_list_t controls = getCtrlList();
std::sort(controls.begin(), controls.end(), LLCompareByTabOrder(mCtrlOrder));
return controls;
}
// This method compares two LLViews by the tab order specified in the comparator object. The
// code for this is a little convoluted because each argument can have four states:
// 1) not a control, 2) a control but not in the tab order, 3) a control in the tab order, 4) null
bool LLCompareByTabOrder::operator() (const LLView* const a, const LLView* const b) const
{
S32 a_score = 0, b_score = 0;
if(a) a_score--;
if(b) b_score--;
if(a && a->isCtrl()) a_score--;
if(b && b->isCtrl()) b_score--;
if(a_score == -2 && b_score == -2)
{
const LLUICtrl * const a_ctrl = static_cast<const LLUICtrl*>(a);
const LLUICtrl * const b_ctrl = static_cast<const LLUICtrl*>(b);
LLView::child_tab_order_const_iter_t a_found = mTabOrder.find(a_ctrl), b_found = mTabOrder.find(b_ctrl);
if(a_found != mTabOrder.end()) a_score--;
if(b_found != mTabOrder.end()) b_score--;
if(a_score == -3 && b_score == -3)
{
// whew! Once we're in here, they're both in the tab order, and we can compare based on that
return compareTabOrders(a_found->second, b_found->second);
}
}
return (a_score == b_score) ? a < b : a_score < b_score;
}
BOOL LLView::isInVisibleChain() const
{
const LLView* cur_view = this;
while(cur_view)
{
if (!cur_view->getVisible())
{
return FALSE;
}
cur_view = cur_view->getParent();
}
return TRUE;
}
BOOL LLView::isInEnabledChain() const
{
const LLView* cur_view = this;
while(cur_view)
{
if (!cur_view->getEnabled())
{
return FALSE;
}
cur_view = cur_view->getParent();
}
return TRUE;
}
// virtual
BOOL LLView::canFocusChildren() const
{
return TRUE;
}
//virtual
void LLView::setTentative(BOOL b)
{
}
//virtual
BOOL LLView::getTentative() const
{
return FALSE;
}
//virtual
void LLView::setEnabled(BOOL enabled)
{
mEnabled = enabled;
}
//virtual
BOOL LLView::setLabelArg( const std::string& key, const LLStringExplicit& text )
{
return FALSE;
}
//virtual
LLRect LLView::getSnapRect() const
{
return mRect;
}
//virtual
LLRect LLView::getRequiredRect()
{
return mRect;
}
BOOL LLView::focusNextRoot()
{
viewList_t result = LLView::getFocusRootsQuery().run(this);
return LLView::focusNext(result);
}
BOOL LLView::focusPrevRoot()
{
viewList_t result = LLView::getFocusRootsQuery().run(this);
return LLView::focusPrev(result);
}
// static
BOOL LLView::focusNext(viewList_t& result)
{
viewList_t::iterator focused = result.end();
for(viewList_t::iterator iter = result.begin();
iter != result.end();
++iter)
{
if(gFocusMgr.childHasKeyboardFocus(*iter))
{
focused = iter;
break;
}
}
viewList_t::iterator next = focused;
next = (next == result.end()) ? result.begin() : ++next;
while(next != focused)
{
// wrap around to beginning if necessary
if(next == result.end())
{
next = result.begin();
}
if((*next)->isCtrl())
{
LLUICtrl * ctrl = static_cast<LLUICtrl*>(*next);
ctrl->setFocus(TRUE);
ctrl->onTabInto();
gFocusMgr.triggerFocusFlash();
return TRUE;
}
++next;
}
return FALSE;
}
// static
BOOL LLView::focusPrev(viewList_t& result)
{
viewList_t::reverse_iterator focused = result.rend();
for(viewList_t::reverse_iterator iter = result.rbegin();
iter != result.rend();
++iter)
{
if(gFocusMgr.childHasKeyboardFocus(*iter))
{
focused = iter;
break;
}
}
viewList_t::reverse_iterator next = focused;
next = (next == result.rend()) ? result.rbegin() : ++next;
while(next != focused)
{
// wrap around to beginning if necessary
if(next == result.rend())
{
next = result.rbegin();
}
if((*next)->isCtrl())
{
LLUICtrl * ctrl = static_cast<LLUICtrl*>(*next);
if (!ctrl->hasFocus())
{
ctrl->setFocus(TRUE);
ctrl->onTabInto();
gFocusMgr.triggerFocusFlash();
}
return TRUE;
}
++next;
}
return FALSE;
}
// delete all children. Override this function if you need to
// perform any extra clean up such as cached pointers to selected
// children, etc.
void LLView::deleteAllChildren()
{
// clear out the control ordering
mCtrlOrder.clear();
while (!mChildList.empty())
{
LLView* viewp = mChildList.front();
delete viewp; // will remove the child from mChildList
}
mChildHashMap.clear();
}
void LLView::setAllChildrenEnabled(BOOL b)
{
BOOST_FOREACH(LLView* viewp, mChildList)
{
viewp->setEnabled(b);
}
}
// virtual
void LLView::setVisible(BOOL visible)
{
if ( mVisible != visible )
{
mVisible = visible;
// notify children of visibility change if root, or part of visible hierarchy
if (!getParent() || getParent()->isInVisibleChain())
{
// tell all children of this view that the visibility may have changed
handleVisibilityChange( visible );
}
updateBoundingRect();
}
}
// virtual
void LLView::handleVisibilityChange ( BOOL new_visibility )
{
BOOST_FOREACH(LLView* viewp, mChildList)
{
// only views that are themselves visible will have their overall visibility affected by their ancestors
if (viewp->getVisible())
{
viewp->handleVisibilityChange ( new_visibility );
}
}
}
// virtual
void LLView::translate(S32 x, S32 y)
{
mRect.translate(x, y);
updateBoundingRect();
}
// virtual
BOOL LLView::canSnapTo(const LLView* other_view)
{
return other_view != this && other_view->getVisible();
}
// virtual
void LLView::setSnappedTo(const LLView* snap_view)
{
}
BOOL LLView::handleHover(S32 x, S32 y, MASK mask)
{
return childrenHandleHover( x, y, mask ) != NULL;
}
void LLView::onMouseEnter(S32 x, S32 y, MASK mask)
{
//llinfos << "Mouse entered " << getName() << llendl;
}
void LLView::onMouseLeave(S32 x, S32 y, MASK mask)
{
//llinfos << "Mouse left " << getName() << llendl;
}
std::string LLView::getShowNamesToolTip()
{
LLView* view = getParent();
std::string name;
std::string tool_tip = mName;
while (view)
{
name = view->getName();
if (name == "root") break;
if (view->getToolTip().find(".xml") != std::string::npos)
{
tool_tip = view->getToolTip() + "/" + tool_tip;
break;
}
else
{
tool_tip = view->getName() + "/" + tool_tip;
}
view = view->getParent();
}
return "/" + tool_tip;
}
BOOL LLView::handleToolTip(S32 x, S32 y, std::string& msg, LLRect* sticky_rect_screen)
{
BOOL handled = FALSE;
std::string tool_tip;
BOOST_FOREACH(LLView* viewp, mChildList)
{
S32 local_x = x - viewp->mRect.mLeft;
S32 local_y = y - viewp->mRect.mBottom;
// Allow tooltips for disabled views so we can explain to the user why
// the view is disabled. JC
if( viewp->pointInView(local_x, local_y)
&& viewp->getVisible()
// && viewp->getEnabled()
&& viewp->handleToolTip(local_x, local_y, msg, sticky_rect_screen ))
{
// child provided a tooltip, just return
if (!msg.empty()) return TRUE;
// otherwise, one of our children ate the event so don't traverse
// siblings however, our child did not actually provide a tooltip
// so we might want to
handled = TRUE;
break;
}
}
// get our own tooltip
tool_tip = mToolTipMsg.getString();
if (
LLUI::sShowXUINames
&& (tool_tip.find(".xml", 0) == std::string::npos)
&& (mName.find("Drag", 0) == std::string::npos))
{
tool_tip = getShowNamesToolTip();
}
BOOL show_names_text_box = LLUI::sShowXUINames && dynamic_cast<LLTextBox*>(this) != NULL;
// don't allow any siblings to handle this event
// even if we don't have a tooltip
if (blockMouseEvent(x, y) || show_names_text_box)
{
if(!tool_tip.empty())
{
msg = tool_tip;
// Convert rect local to screen coordinates
localPointToScreen(
0, 0,
&(sticky_rect_screen->mLeft), &(sticky_rect_screen->mBottom) );
localPointToScreen(
mRect.getWidth(), mRect.getHeight(),
&(sticky_rect_screen->mRight), &(sticky_rect_screen->mTop) );
}
handled = TRUE;
}
return handled;
}
bool LLView::visibleAndContains(S32 local_x, S32 local_y)
{
return sDrilldown(this, local_x, local_y)
&& getVisible();
}
bool LLView::visibleEnabledAndContains(S32 local_x, S32 local_y)
{
return visibleAndContains(local_x, local_y)
&& getEnabled();
}
void LLView::logMouseEvent()
{
if (sDebugMouseHandling)
{
sMouseHandlerMessage = std::string("/") + mName + sMouseHandlerMessage;
}
}
template <typename METHOD, typename CHARTYPE>
LLView* LLView::childrenHandleCharEvent(const std::string& desc, const METHOD& method,
CHARTYPE c, MASK mask)
{
if ( getVisible() && getEnabled() )
{
BOOST_FOREACH(LLView* viewp, mChildList)
{
if ((viewp->*method)(c, mask, TRUE))
{
if (LLView::sDebugKeys)
{
llinfos << desc << " handled by " << viewp->getName() << llendl;
}
return viewp;
}
}
}
return NULL;
}
// XDATA might be MASK, or S32 clicks
template <typename METHOD, typename XDATA>
LLView* LLView::childrenHandleMouseEvent(const METHOD& method, S32 x, S32 y, XDATA extra, bool allow_mouse_block)
{
BOOST_FOREACH(LLView* viewp, mChildList)
{
S32 local_x = x - viewp->getRect().mLeft;
S32 local_y = y - viewp->getRect().mBottom;
if (!viewp->visibleEnabledAndContains(local_x, local_y))
{
continue;
}
if ((viewp->*method)( local_x, local_y, extra )
|| (allow_mouse_block && viewp->blockMouseEvent( local_x, local_y )))
{
viewp->logMouseEvent();
return viewp;
}
}
return NULL;
}
LLView* LLView::childrenHandleDragAndDrop(S32 x, S32 y, MASK mask,
BOOL drop,
EDragAndDropType cargo_type,
void* cargo_data,
EAcceptance* accept,
std::string& tooltip_msg)
{
// default to not accepting drag and drop, will be overridden by handler
*accept = ACCEPT_NO;
BOOST_FOREACH(LLView* viewp, mChildList)
{
S32 local_x = x - viewp->getRect().mLeft;
S32 local_y = y - viewp->getRect().mBottom;
if( !viewp->visibleEnabledAndContains(local_x, local_y))
{
continue;
}
// Differs from childrenHandleMouseEvent() simply in that this virtual
// method call diverges pretty radically from the usual (x, y, int).
if (viewp->handleDragAndDrop(local_x, local_y, mask, drop,
cargo_type,
cargo_data,
accept,
tooltip_msg)
|| viewp->blockMouseEvent(local_x, local_y))
{
return viewp;
}
}
return NULL;
}
LLView* LLView::childrenHandleHover(S32 x, S32 y, MASK mask)
{
BOOST_FOREACH(LLView* viewp, mChildList)
{
S32 local_x = x - viewp->getRect().mLeft;
S32 local_y = y - viewp->getRect().mBottom;
if(!viewp->visibleEnabledAndContains(local_x, local_y))
{
continue;
}
// This call differentiates this method from childrenHandleMouseEvent().
LLUI::sWindow->setCursor(viewp->getHoverCursor());
if (viewp->handleHover(local_x, local_y, mask)
|| viewp->blockMouseEvent(local_x, local_y))
{
viewp->logMouseEvent();
return viewp;
}
}
return NULL;
}
LLView* LLView::childFromPoint(S32 x, S32 y, bool recur)
{
if (!getVisible())
return NULL;
BOOST_FOREACH(LLView* viewp, mChildList)
{
S32 local_x = x - viewp->getRect().mLeft;
S32 local_y = y - viewp->getRect().mBottom;
if (!viewp->visibleAndContains(local_x, local_y))
{
continue;
}
// Here we've found the first (frontmost) visible child at this level
// containing the specified point. Is the caller asking us to drill
// down and return the innermost leaf child at this point, or just the
// top-level child?
if (recur)
{
LLView* leaf(viewp->childFromPoint(local_x, local_y, recur));
// Maybe viewp is already a leaf LLView, or maybe it has children
// but this particular (x, y) point falls between them. If the
// recursive call returns non-NULL, great, use that; else just use
// viewp.
return leaf? leaf : viewp;
}
return viewp;
}
return 0;
}
BOOL LLView::handleKey(KEY key, MASK mask, BOOL called_from_parent)
{
BOOL handled = FALSE;
if (getVisible() && getEnabled())
{
if( called_from_parent )
{
// Downward traversal
handled = childrenHandleKey( key, mask ) != NULL;
}
if (!handled)
{
handled = handleKeyHere( key, mask );
if (handled && LLView::sDebugKeys)
{
llinfos << "Key handled by " << getName() << llendl;
}
}
}
if( !handled && !called_from_parent && mParentView)
{
// Upward traversal
handled = mParentView->handleKey( key, mask, FALSE );
}
return handled;
}
// Called from handleKey()
// Handles key in this object. Checking parents and children happens in handleKey()
BOOL LLView::handleKeyHere(KEY key, MASK mask)
{
return FALSE;
}
BOOL LLView::handleUnicodeChar(llwchar uni_char, BOOL called_from_parent)
{
BOOL handled = FALSE;
if (getVisible() && getEnabled())
{
if( called_from_parent )
{
// Downward traversal
handled = childrenHandleUnicodeChar( uni_char ) != NULL;
}
if (!handled)
{
handled = handleUnicodeCharHere(uni_char);
if (handled && LLView::sDebugKeys)
{
llinfos << "Unicode key handled by " << getName() << llendl;
}
}
}
if (!handled && !called_from_parent && mParentView)
{
// Upward traversal
handled = mParentView->handleUnicodeChar(uni_char, FALSE);
}
return handled;
}
BOOL LLView::handleUnicodeCharHere(llwchar uni_char )
{
return FALSE;
}
BOOL LLView::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
EDragAndDropType cargo_type, void* cargo_data,
EAcceptance* accept,
std::string& tooltip_msg)
{
return childrenHandleDragAndDrop( x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL;
}
void LLView::onMouseCaptureLost()
{
}
BOOL LLView::hasMouseCapture()
{
return gFocusMgr.getMouseCapture() == this;
}
BOOL LLView::handleMouseUp(S32 x, S32 y, MASK mask)
{
return childrenHandleMouseUp( x, y, mask ) != NULL;
}
BOOL LLView::handleMouseDown(S32 x, S32 y, MASK mask)
{
LLView* handled_view = childrenHandleMouseDown( x, y, mask );
// HACK If we're editing UI, select the leaf view that ate the click.
if (sEditingUI && handled_view)
{
// need to find leaf views, big hack
LLButton* buttonp = dynamic_cast<LLButton*>(handled_view);
LLLineEditor* line_editorp = dynamic_cast<LLLineEditor*>(handled_view);
LLTextEditor* text_editorp = dynamic_cast<LLTextEditor*>(handled_view);
LLTextBox* text_boxp = dynamic_cast<LLTextBox*>(handled_view);
if (buttonp
|| line_editorp
|| text_editorp
|| text_boxp)
{
sEditingUIView = handled_view;
}
}
return handled_view != NULL;
}
BOOL LLView::handleDoubleClick(S32 x, S32 y, MASK mask)
{
return childrenHandleDoubleClick( x, y, mask ) != NULL;
}
BOOL LLView::handleScrollWheel(S32 x, S32 y, S32 clicks)
{
return childrenHandleScrollWheel( x, y, clicks ) != NULL;
}
BOOL LLView::handleRightMouseDown(S32 x, S32 y, MASK mask)
{
return childrenHandleRightMouseDown( x, y, mask ) != NULL;
}
BOOL LLView::handleRightMouseUp(S32 x, S32 y, MASK mask)
{
return childrenHandleRightMouseUp( x, y, mask ) != NULL;
}
BOOL LLView::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
{
return childrenHandleMiddleMouseDown( x, y, mask ) != NULL;
}
BOOL LLView::handleMiddleMouseUp(S32 x, S32 y, MASK mask)
{
return childrenHandleMiddleMouseUp( x, y, mask ) != NULL;
}
LLView* LLView::childrenHandleScrollWheel(S32 x, S32 y, S32 clicks)
{
return childrenHandleMouseEvent(&LLView::handleScrollWheel, x, y, clicks, false);
}
// Called during downward traversal
LLView* LLView::childrenHandleKey(KEY key, MASK mask)
{
return childrenHandleCharEvent("Key", &LLView::handleKey, key, mask);
}
// Called during downward traversal
LLView* LLView::childrenHandleUnicodeChar(llwchar uni_char)
{
return childrenHandleCharEvent("Unicode character", &LLView::handleUnicodeCharWithDummyMask,
uni_char, MASK_NONE);
}
LLView* LLView::childrenHandleMouseDown(S32 x, S32 y, MASK mask)
{
return childrenHandleMouseEvent(&LLView::handleMouseDown, x, y, mask);
}
LLView* LLView::childrenHandleRightMouseDown(S32 x, S32 y, MASK mask)
{
return childrenHandleMouseEvent(&LLView::handleRightMouseDown, x, y, mask);
}
LLView* LLView::childrenHandleMiddleMouseDown(S32 x, S32 y, MASK mask)
{
return childrenHandleMouseEvent(&LLView::handleMiddleMouseDown, x, y, mask);
}
LLView* LLView::childrenHandleDoubleClick(S32 x, S32 y, MASK mask)
{
return childrenHandleMouseEvent(&LLView::handleDoubleClick, x, y, mask);
}
LLView* LLView::childrenHandleMouseUp(S32 x, S32 y, MASK mask)
{
return childrenHandleMouseEvent(&LLView::handleMouseUp, x, y, mask);
}
LLView* LLView::childrenHandleRightMouseUp(S32 x, S32 y, MASK mask)
{
return childrenHandleMouseEvent(&LLView::handleRightMouseUp, x, y, mask);
}
LLView* LLView::childrenHandleMiddleMouseUp(S32 x, S32 y, MASK mask)
{
LLView* handled_view = NULL;
if( getVisible() && getEnabled() )
{
BOOST_FOREACH(LLView* viewp, mChildList)
{
S32 local_x = x - viewp->getRect().mLeft;
S32 local_y = y - viewp->getRect().mBottom;
if (viewp->pointInView(local_x, local_y) &&
viewp->getVisible() &&
viewp->getEnabled() &&
viewp->handleMiddleMouseUp( local_x, local_y, mask ))
{
if (sDebugMouseHandling)
{
sMouseHandlerMessage = std::string("->") + viewp->mName + sMouseHandlerMessage;
}
handled_view = viewp;
break;
}
}
}
return handled_view;
}
void LLView::draw()
{
drawChildren();
}
extern void check_blend_funcs();
void LLView::drawChildren()
{
// draw focused control on top of everything else
/*LLUICtrl* focus_view = dynamic_cast<LLUICtrl*>(gFocusMgr.getKeyboardFocus());
if (focus_view && focus_view->getParent() != this)
{
focus_view = NULL;
}*/
if (!mChildList.empty())
{
LLView* rootp = LLUI::getRootView();
++sDepth;
for (child_list_const_reverse_iter_t child_iter = mChildList.rbegin(); child_iter != mChildList.rend(); ++child_iter)
{
LLView *viewp = *child_iter;
if (viewp == NULL)
{
continue;
}
if (viewp->getVisible() && /*viewp != focus_view && */viewp->getRect().isValid())
{
// Only draw views that are within the root view
LLRect screen_rect = viewp->calcScreenRect();
if ( rootp->getRect().overlaps(screen_rect) )
{
//gGL.matrixMode(LLRender::MM_MODELVIEW);
LLUI::pushMatrix();
{
LLUI::translate((F32)viewp->getRect().mLeft, (F32)viewp->getRect().mBottom, 0.f);
// flag the fact we are in draw here, in case overridden draw() method attempts to remove this widget
viewp->mInDraw = true;
if(gDebugGL)check_blend_funcs();
viewp->draw();
if(gDebugGL)check_blend_funcs();
viewp->mInDraw = false;
if (sDebugRects)
{
viewp->drawDebugRect();
// Check for bogus rectangle
if (!getRect().isValid())
{
llwarns << "Bogus rectangle for " << getName() << " with " << mRect << llendl;
}
}
}
LLUI::popMatrix();
}
}
}
--sDepth;
}
/*if (focus_view && focus_view->getVisible())
{
drawChild(focus_view);
}*/
// HACK
if (sEditingUI && this == sEditingUIView)
{
drawDebugRect();
}
}
//Draw a box for debugging.
void LLView::drawDebugRect()
{
LLUI::pushMatrix();
{
// drawing solids requires texturing be disabled
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
if (getUseBoundingRect())
{
LLUI::translate((F32)mBoundingRect.mLeft - (F32)mRect.mLeft, (F32)mBoundingRect.mBottom - (F32)mRect.mBottom, 0.f);
}
LLRect debug_rect = getUseBoundingRect() ? mBoundingRect : mRect;
// draw red rectangle for the border
LLColor4 border_color(0.f, 0.f, 0.f, 1.f);
if (sEditingUI)
{
border_color.mV[0] = 1.f;
}
else
{
border_color.mV[sDepth%3] = 1.f;
}
gGL.color4fv( border_color.mV );
gGL.begin(LLRender::LINES);
gGL.vertex2i(0, debug_rect.getHeight() - 1);
gGL.vertex2i(0, 0);
gGL.vertex2i(0, 0);
gGL.vertex2i(debug_rect.getWidth() - 1, 0);
gGL.vertex2i(debug_rect.getWidth() - 1, 0);
gGL.vertex2i(debug_rect.getWidth() - 1, debug_rect.getHeight() - 1);
gGL.vertex2i(debug_rect.getWidth() - 1, debug_rect.getHeight() - 1);
gGL.vertex2i(0, debug_rect.getHeight() - 1);
gGL.end();
// Draw the name if it's not a leaf node
if (mChildList.size() && !sEditingUI)
{
//char temp[256];
S32 x, y;
gGL.color4fv( border_color.mV );
x = debug_rect.getWidth()/2;
y = debug_rect.getHeight()/2;
std::string debug_text = llformat("%s (%d x %d)", getName().c_str(),
debug_rect.getWidth(), debug_rect.getHeight());
LLFontGL::getFontSansSerifSmall()->renderUTF8(debug_text, 0, (F32)x, (F32)y, border_color,
LLFontGL::HCENTER, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
S32_MAX, S32_MAX, NULL, FALSE);
}
}
LLUI::popMatrix();
}
void LLView::drawChild(LLView* childp, S32 x_offset, S32 y_offset, BOOL force_draw)
{
if (childp && childp->getParent() == this)
{
++sDepth;
if ((childp->getVisible() && childp->getRect().isValid())
|| force_draw)
{
gGL.matrixMode(LLRender::MM_MODELVIEW);
LLUI::pushMatrix();
{
LLUI::translate((F32)childp->getRect().mLeft + x_offset, (F32)childp->getRect().mBottom + y_offset, 0.f);
if(gDebugGL)check_blend_funcs();
childp->draw();
if(gDebugGL)check_blend_funcs();
}
LLUI::popMatrix();
}
--sDepth;
}
}
void LLView::reshape(S32 width, S32 height, BOOL called_from_parent)
{
// compute how much things changed and apply reshape logic to children
S32 delta_width = width - getRect().getWidth();
S32 delta_height = height - getRect().getHeight();
if (delta_width || delta_height || sForceReshape)
{
// adjust our rectangle
mRect.mRight = getRect().mLeft + width;
mRect.mTop = getRect().mBottom + height;
// move child views according to reshape flags
BOOST_FOREACH(LLView* viewp, mChildList)
{
LLRect child_rect( viewp->mRect );
if (viewp->followsRight() && viewp->followsLeft())
{
child_rect.mRight += delta_width;
}
else if (viewp->followsRight())
{
child_rect.mLeft += delta_width;
child_rect.mRight += delta_width;
}
else if (viewp->followsLeft())
{
// left is 0, don't need to adjust coords
}
else
{
// BUG what to do when we don't follow anyone?
// for now, same as followsLeft
}
if (viewp->followsTop() && viewp->followsBottom())
{
child_rect.mTop += delta_height;
}
else if (viewp->followsTop())
{
child_rect.mTop += delta_height;
child_rect.mBottom += delta_height;
}
else if (viewp->followsBottom())
{
// bottom is 0, so don't need to adjust coords
}
else
{
// BUG what to do when we don't follow?
// for now, same as bottom
}
S32 delta_x = child_rect.mLeft - viewp->getRect().mLeft;
S32 delta_y = child_rect.mBottom - viewp->getRect().mBottom;
viewp->translate( delta_x, delta_y );
if (child_rect.getWidth() != viewp->getRect().getWidth() || child_rect.getHeight() != viewp->getRect().getHeight())
{
viewp->reshape(child_rect.getWidth(), child_rect.getHeight());
}
}
}
if (!called_from_parent)
{
if (mParentView)
{
mParentView->reshape(mParentView->getRect().getWidth(), mParentView->getRect().getHeight(), FALSE);
}
}
updateBoundingRect();
}
LLRect LLView::calcBoundingRect()
{
LLRect local_bounding_rect = LLRect::null;
BOOST_FOREACH(LLView* childp, mChildList)
{
// ignore invisible and "top" children when calculating bounding rect
// such as combobox popups
if (!childp->getVisible() || childp == gFocusMgr.getTopCtrl())
{
continue;
}
LLRect child_bounding_rect = childp->getBoundingRect();
if (local_bounding_rect.isEmpty())
{
// start out with bounding rect equal to first visible child's bounding rect
local_bounding_rect = child_bounding_rect;
}
else
{
// accumulate non-null children rectangles
if (!child_bounding_rect.isEmpty())
{
local_bounding_rect.unionWith(child_bounding_rect);
}
}
}
// convert to parent-relative coordinates
local_bounding_rect.translate(mRect.mLeft, mRect.mBottom);
return local_bounding_rect;
}
void LLView::updateBoundingRect()
{
if (isDead()) return;
//LLRect cur_rect = mBoundingRect;
if (getUseBoundingRect())
{
mBoundingRect = calcBoundingRect();
}
else
{
mBoundingRect = mRect;
}
// give parent view a chance to resize, in case we just moved, for example
if (getParent() && getParent()->getUseBoundingRect())
{
getParent()->updateBoundingRect();
}
/*if (mBoundingRect != cur_rect)
{
dirtyRect();
}*/
}
LLRect LLView::calcScreenRect() const
{
LLRect screen_rect;
localPointToScreen(0, 0, &screen_rect.mLeft, &screen_rect.mBottom);
localPointToScreen(getRect().getWidth(), getRect().getHeight(), &screen_rect.mRight, &screen_rect.mTop);
return screen_rect;
}
LLRect LLView::calcScreenBoundingRect() const
{
LLRect screen_rect;
// get bounding rect, if used
LLRect bounding_rect = getUseBoundingRect() ? mBoundingRect : mRect;
// convert to local coordinates, as defined by mRect
bounding_rect.translate(-mRect.mLeft, -mRect.mBottom);
localPointToScreen(bounding_rect.mLeft, bounding_rect.mBottom, &screen_rect.mLeft, &screen_rect.mBottom);
localPointToScreen(bounding_rect.mRight, bounding_rect.mTop, &screen_rect.mRight, &screen_rect.mTop);
return screen_rect;
}
LLRect LLView::getLocalBoundingRect() const
{
LLRect local_bounding_rect = getBoundingRect();
local_bounding_rect.translate(-mRect.mLeft, -mRect.mBottom);
return local_bounding_rect;
}
LLRect LLView::getLocalRect() const
{
LLRect local_rect(0, getRect().getHeight(), getRect().getWidth(), 0);
return local_rect;
}
LLRect LLView::getLocalSnapRect() const
{
LLRect local_snap_rect = getSnapRect();
local_snap_rect.translate(-getRect().mLeft, -getRect().mBottom);
return local_snap_rect;
}
BOOL LLView::hasAncestor(const LLView* parentp) const
{
if (!parentp)
{
return FALSE;
}
LLView* viewp = getParent();
while(viewp)
{
if (viewp == parentp)
{
return TRUE;
}
viewp = viewp->getParent();
}
return FALSE;
}
//-----------------------------------------------------------------------------
BOOL LLView::childHasKeyboardFocus( const std::string& childname ) const
{
LLView *focus = dynamic_cast<LLView *>(gFocusMgr.getKeyboardFocus());
while (focus != NULL)
{
if (focus->getName() == childname)
{
return TRUE;
}
focus = focus->getParent();
}
return FALSE;
}
//-----------------------------------------------------------------------------
BOOL LLView::hasChild(const std::string& childname, BOOL recurse) const
{
return getChildView(childname, recurse, FALSE) != NULL;
}
//-----------------------------------------------------------------------------
// getChildView()
//-----------------------------------------------------------------------------
static LLFastTimer::DeclareTimer FTM_FIND_VIEWS("Find Widgets");
LLView* LLView::getChildView(const std::string& name, BOOL recurse, BOOL create_if_missing) const
{
LLFastTimer ft(FTM_FIND_VIEWS);
//richard: should we allow empty names?
//if(name.empty())
// return NULL;
// Look for direct children *first*
/*BOOST_FOREACH(LLView* childp, mChildList)
{
llassert(childp);
if (childp->getName() == name)
{
return childp;
}
}*/
boost::unordered_map<const std::string, LLView*>::const_iterator it = mChildHashMap.find(name);
if(it != mChildHashMap.end())
{
return it->second;
}
if (recurse)
{
// Look inside each child as well.
BOOST_FOREACH(LLView* childp, mChildList)
{
llassert(childp);
LLView* viewp = childp->getChildView(name, recurse, FALSE);
if ( viewp )
{
return viewp;
}
}
}
if (create_if_missing)
{
return createDummyWidget<LLView>(name);
}
return NULL;
}
BOOL LLView::parentPointInView(S32 x, S32 y, EHitTestType type) const
{
return (getUseBoundingRect() && type == HIT_TEST_USE_BOUNDING_RECT)
? mBoundingRect.pointInRect( x, y )
: mRect.pointInRect( x, y );
}
BOOL LLView::pointInView(S32 x, S32 y, EHitTestType type) const
{
return (getUseBoundingRect() && type == HIT_TEST_USE_BOUNDING_RECT)
? mBoundingRect.pointInRect( x + mRect.mLeft, y + mRect.mBottom )
: mRect.localPointInRect( x, y );
}
BOOL LLView::blockMouseEvent(S32 x, S32 y) const
{
return mMouseOpaque && pointInView(x, y, HIT_TEST_IGNORE_BOUNDING_RECT);
}
// virtual
void LLView::screenPointToLocal(S32 screen_x, S32 screen_y, S32* local_x, S32* local_y) const
{
*local_x = screen_x - getRect().mLeft;
*local_y = screen_y - getRect().mBottom;
const LLView* cur = this;
while( cur->mParentView )
{
cur = cur->mParentView;
*local_x -= cur->getRect().mLeft;
*local_y -= cur->getRect().mBottom;
}
}
void LLView::localPointToScreen(S32 local_x, S32 local_y, S32* screen_x, S32* screen_y) const
{
*screen_x = local_x + getRect().mLeft;
*screen_y = local_y + getRect().mBottom;
const LLView* cur = this;
while( cur->mParentView )
{
cur = cur->mParentView;
*screen_x += cur->getRect().mLeft;
*screen_y += cur->getRect().mBottom;
}
}
void LLView::screenRectToLocal(const LLRect& screen, LLRect* local) const
{
*local = screen;
local->translate( -getRect().mLeft, -getRect().mBottom );
const LLView* cur = this;
while( cur->mParentView )
{
cur = cur->mParentView;
local->translate( -cur->getRect().mLeft, -cur->getRect().mBottom );
}
}
void LLView::localRectToScreen(const LLRect& local, LLRect* screen) const
{
*screen = local;
screen->translate( getRect().mLeft, getRect().mBottom );
const LLView* cur = this;
while( cur->mParentView )
{
cur = cur->mParentView;
screen->translate( cur->getRect().mLeft, cur->getRect().mBottom );
}
}
LLView* LLView::getRootView()
{
LLView* view = this;
while( view->mParentView )
{
view = view->mParentView;
}
return view;
}
BOOL LLView::deleteViewByHandle(LLHandle<LLView> handle)
{
LLView* viewp = handle.get();
//<edit> Getting some crashes on exit,
//guess it should check if the view actually exists before deleting it, but I'm not wading through all of Philip's code.
//probably a bug in the delayed ui delete crap (what *is* that, anyways?)
if(viewp)
delete viewp;
//</edit>
return viewp != NULL;
}
LLView* LLView::findPrevSibling(LLView* child)
{
child_list_t::iterator prev_it = std::find(mChildList.begin(), mChildList.end(), child);
if (prev_it != mChildList.end() && prev_it != mChildList.begin())
{
return *(--prev_it);
}
return NULL;
}
LLView* LLView::findNextSibling(LLView* child)
{
child_list_t::iterator next_it = std::find(mChildList.begin(), mChildList.end(), child);
if (next_it != mChildList.end())
{
next_it++;
}
return (next_it != mChildList.end()) ? *next_it : NULL;
}
LLCoordGL getNeededTranslation(const LLRect& input, const LLRect& constraint, BOOL allow_partial_outside)
{
LLCoordGL delta;
if (allow_partial_outside)
{
const S32 KEEP_ONSCREEN_PIXELS = 16;
if( input.mRight - KEEP_ONSCREEN_PIXELS < constraint.mLeft )
{
delta.mX = constraint.mLeft - (input.mRight - KEEP_ONSCREEN_PIXELS);
}
else
if( input.mLeft + KEEP_ONSCREEN_PIXELS > constraint.mRight )
{
delta.mX = constraint.mRight - (input.mLeft + KEEP_ONSCREEN_PIXELS);
}
if( input.mTop > constraint.mTop )
{
delta.mY = constraint.mTop - input.mTop;
}
else
if( input.mTop - KEEP_ONSCREEN_PIXELS < constraint.mBottom )
{
delta.mY = constraint.mBottom - (input.mTop - KEEP_ONSCREEN_PIXELS);
}
}
else
{
if( input.mLeft < constraint.mLeft )
{
delta.mX = constraint.mLeft - input.mLeft;
}
else
if( input.mRight > constraint.mRight )
{
delta.mX = constraint.mRight - input.mRight;
// compensate for left edge possible going off screen
delta.mX += llmax( 0, input.getWidth() - constraint.getWidth() );
}
if( input.mTop > constraint.mTop )
{
delta.mY = constraint.mTop - input.mTop;
}
else
if( input.mBottom < constraint.mBottom )
{
delta.mY = constraint.mBottom - input.mBottom;
// compensate for top edge possible going off screen
delta.mY -= llmax( 0, input.getHeight() - constraint.getHeight() );
}
}
return delta;
}
// Moves the view so that it is entirely inside of constraint.
// If the view will not fit because it's too big, aligns with the top and left.
// (Why top and left? That's where the drag bars are for floaters.)
BOOL LLView::translateIntoRect(const LLRect& constraint, BOOL allow_partial_outside )
{
LLCoordGL translation = getNeededTranslation(getRect(), constraint, allow_partial_outside);
if (translation.mX != 0 || translation.mY != 0)
{
translate(translation.mX, translation.mY);
return TRUE;
}
return FALSE;
}
// move this view into "inside" but not onto "exclude"
// NOTE: if this view is already contained in "inside", we ignore the "exclude" rect
BOOL LLView::translateIntoRectWithExclusion( const LLRect& inside, const LLRect& exclude, BOOL allow_partial_outside )
{
LLCoordGL translation = getNeededTranslation(getRect(), inside, allow_partial_outside);
if (translation.mX != 0 || translation.mY != 0)
{
// translate ourselves into constraint rect
translate(translation.mX, translation.mY);
// do we overlap with exclusion area?
// keep moving in the same direction to the other side of the exclusion rect
if (exclude.overlaps(getRect()))
{
// moving right
if (translation.mX > 0)
{
translate(exclude.mRight - getRect().mLeft, 0);
}
// moving left
else if (translation.mX < 0)
{
translate(exclude.mLeft - getRect().mRight, 0);
}
// moving up
if (translation.mY > 0)
{
translate(0, exclude.mTop - getRect().mBottom);
}
// moving down
else if (translation.mY < 0)
{
translate(0, exclude.mBottom - getRect().mTop);
}
}
return TRUE;
}
return FALSE;
}
void LLView::centerWithin(const LLRect& bounds)
{
S32 left = bounds.mLeft + (bounds.getWidth() - getRect().getWidth()) / 2;
S32 bottom = bounds.mBottom + (bounds.getHeight() - getRect().getHeight()) / 2;
translate( left - getRect().mLeft, bottom - getRect().mBottom );
}
BOOL LLView::localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, LLView* other_view) const
{
const LLView* cur_view = this;
const LLView* root_view = NULL;
while (cur_view)
{
if (cur_view == other_view)
{
*other_x = x;
*other_y = y;
return TRUE;
}
x += cur_view->getRect().mLeft;
y += cur_view->getRect().mBottom;
cur_view = cur_view->getParent();
root_view = cur_view;
}
// assuming common root between two views, chase other_view's parents up to root
cur_view = other_view;
while (cur_view)
{
x -= cur_view->getRect().mLeft;
y -= cur_view->getRect().mBottom;
cur_view = cur_view->getParent();
if (cur_view == root_view)
{
*other_x = x;
*other_y = y;
return TRUE;
}
}
*other_x = x;
*other_y = y;
return FALSE;
}
BOOL LLView::localRectToOtherView( const LLRect& local, LLRect* other, LLView* other_view ) const
{
LLRect cur_rect = local;
const LLView* cur_view = this;
const LLView* root_view = NULL;
while (cur_view)
{
if (cur_view == other_view)
{
*other = cur_rect;
return TRUE;
}
cur_rect.translate(cur_view->getRect().mLeft, cur_view->getRect().mBottom);
cur_view = cur_view->getParent();
root_view = cur_view;
}
// assuming common root between two views, chase other_view's parents up to root
cur_view = other_view;
while (cur_view)
{
cur_rect.translate(-cur_view->getRect().mLeft, -cur_view->getRect().mBottom);
cur_view = cur_view->getParent();
if (cur_view == root_view)
{
*other = cur_rect;
return TRUE;
}
}
*other = cur_rect;
return FALSE;
}
// virtual
LLXMLNodePtr LLView::getXML(bool save_children) const
{
//If called from a derived class, the derived class will override the node name
LLXMLNodePtr node = new LLXMLNode("view", FALSE);
node->createChild("name", TRUE)->setStringValue(getName());
node->createChild("width", TRUE)->setIntValue(getRect().getWidth());
node->createChild("height", TRUE)->setIntValue(getRect().getHeight());
LLView* parent = getParent();
S32 left = getRect().mLeft;
S32 bottom = getRect().mBottom;
if (parent) bottom -= parent->getRect().getHeight();
node->createChild("left", TRUE)->setIntValue(left);
node->createChild("bottom", TRUE)->setIntValue(bottom);
U32 follows_flags = getFollows();
if (follows_flags)
{
std::stringstream buffer;
bool pipe = false;
if (followsLeft())
{
buffer << "left";
pipe = true;
}
if (followsTop())
{
if (pipe) buffer << "|";
buffer << "top";
pipe = true;
}
if (followsRight())
{
if (pipe) buffer << "|";
buffer << "right";
pipe = true;
}
if (followsBottom())
{
if (pipe) buffer << "|";
buffer << "bottom";
}
node->createChild("follows", TRUE)->setStringValue(buffer.str());
}
// Export all widgets as enabled and visible - code must disable.
node->createChild("mouse_opaque", TRUE)->setBoolValue(mMouseOpaque );
if (!mToolTipMsg.getString().empty())
{
node->createChild("tool_tip", TRUE)->setStringValue(mToolTipMsg.getString());
}
if (mSoundFlags != MOUSE_UP)
{
node->createChild("sound_flags", TRUE)->setIntValue((S32)mSoundFlags);
}
node->createChild("enabled", TRUE)->setBoolValue(getEnabled());
if (!mControlName.empty())
{
node->createChild("control_name", TRUE)->setStringValue(mControlName);
}
return node;
}
//static
LLView* LLView::fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory)
{
LLView* viewp = new LLView();
viewp->initFromXML(node, parent);
return viewp;
}
// static
void LLView::addColorXML(LLXMLNodePtr node, const LLColor4& color,
const char* xml_name, const char* control_name)
{
if (color != LLUI::sColorsGroup->getColor(ll_safe_string(control_name)))
{
node->createChild(xml_name, TRUE)->setFloatValue(4, color.mV);
}
}
//static
std::string LLView::escapeXML(const std::string& xml, std::string& indent)
{
std::string ret = indent + "\"" + LLXMLNode::escapeXML(xml);
//replace every newline with a close quote, new line, indent, open quote
size_t index = ret.size()-1;
size_t fnd;
while ((fnd = ret.rfind("\n", index)) != std::string::npos)
{
ret.replace(fnd, 1, "\"\n" + indent + "\"");
index = fnd-1;
}
//append close quote
ret.append("\"");
return ret;
}
// static
LLWString LLView::escapeXML(const LLWString& xml)
{
LLWString out;
for (LLWString::size_type i = 0; i < xml.size(); ++i)
{
llwchar c = xml[i];
switch(c)
{
case '"': out.append(utf8string_to_wstring("&quot;")); break;
case '\'': out.append(utf8string_to_wstring("&apos;")); break;
case '&': out.append(utf8string_to_wstring("&amp;")); break;
case '<': out.append(utf8string_to_wstring("&lt;")); break;
case '>': out.append(utf8string_to_wstring("&gt;")); break;
default: out.push_back(c); break;
}
}
return out;
}
// static
const LLCtrlQuery & LLView::getTabOrderQuery()
{
static LLCtrlQuery query;
if(query.getPreFilters().size() == 0) {
query.addPreFilter(LLVisibleFilter::getInstance());
query.addPreFilter(LLEnabledFilter::getInstance());
query.addPreFilter(LLTabStopFilter::getInstance());
query.addPostFilter(LLLeavesFilter::getInstance());
}
return query;
}
// This class is only used internally by getFocusRootsQuery below.
class LLFocusRootsFilter : public LLQueryFilter, public LLSingleton<LLFocusRootsFilter>
{
/*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const
{
return filterResult_t(view->isCtrl() && view->isFocusRoot(), !view->isFocusRoot());
}
};
// static
const LLCtrlQuery & LLView::getFocusRootsQuery()
{
static LLCtrlQuery query;
if(query.getPreFilters().size() == 0) {
query.addPreFilter(LLVisibleFilter::getInstance());
query.addPreFilter(LLEnabledFilter::getInstance());
query.addPreFilter(LLFocusRootsFilter::getInstance());
query.addPostFilter(LLRootsFilter::getInstance());
}
return query;
}
void LLView::setShape(const LLRect& new_rect, bool by_user)
{
handleReshape(new_rect, by_user);
}
void LLView::handleReshape(const LLRect& new_rect, bool by_user)
{
reshape(new_rect.getWidth(), new_rect.getHeight());
translate(new_rect.mLeft - getRect().mLeft, new_rect.mBottom - getRect().mBottom);
}
LLView* LLView::findSnapRect(LLRect& new_rect, const LLCoordGL& mouse_dir,
LLView::ESnapType snap_type, S32 threshold, S32 padding)
{
new_rect = mRect;
LLView* snap_view = NULL;
if (!mParentView)
{
return NULL;
}
S32 delta_x = 0;
S32 delta_y = 0;
if (mouse_dir.mX >= 0)
{
S32 new_right = mRect.mRight;
LLView* view = findSnapEdge(new_right, mouse_dir, SNAP_RIGHT, snap_type, threshold, padding);
delta_x = new_right - mRect.mRight;
snap_view = view ? view : snap_view;
}
if (mouse_dir.mX <= 0)
{
S32 new_left = mRect.mLeft;
LLView* view = findSnapEdge(new_left, mouse_dir, SNAP_LEFT, snap_type, threshold, padding);
delta_x = new_left - mRect.mLeft;
snap_view = view ? view : snap_view;
}
if (mouse_dir.mY >= 0)
{
S32 new_top = mRect.mTop;
LLView* view = findSnapEdge(new_top, mouse_dir, SNAP_TOP, snap_type, threshold, padding);
delta_y = new_top - mRect.mTop;
snap_view = view ? view : snap_view;
}
if (mouse_dir.mY <= 0)
{
S32 new_bottom = mRect.mBottom;
LLView* view = findSnapEdge(new_bottom, mouse_dir, SNAP_BOTTOM, snap_type, threshold, padding);
delta_y = new_bottom - mRect.mBottom;
snap_view = view ? view : snap_view;
}
new_rect.translate(delta_x, delta_y);
return snap_view;
}
LLView* LLView::findSnapEdge(S32& new_edge_val, const LLCoordGL& mouse_dir, ESnapEdge snap_edge, ESnapType snap_type, S32 threshold, S32 padding)
{
LLRect snap_rect = getSnapRect();
S32 snap_pos = 0;
switch(snap_edge)
{
case SNAP_LEFT:
snap_pos = snap_rect.mLeft;
break;
case SNAP_RIGHT:
snap_pos = snap_rect.mRight;
break;
case SNAP_TOP:
snap_pos = snap_rect.mTop;
break;
case SNAP_BOTTOM:
snap_pos = snap_rect.mBottom;
break;
}
if (!mParentView)
{
new_edge_val = snap_pos;
return NULL;
}
LLView* snap_view = NULL;
// If the view is near the edge of its parent, snap it to
// the edge.
LLRect test_rect = snap_rect;
test_rect.stretch(padding);
S32 x_threshold = threshold;
S32 y_threshold = threshold;
LLRect parent_local_snap_rect = mParentView->getLocalSnapRect();
if (snap_type == SNAP_PARENT || snap_type == SNAP_PARENT_AND_SIBLINGS)
{
switch(snap_edge)
{
case SNAP_RIGHT:
if (llabs(parent_local_snap_rect.mRight - test_rect.mRight) <= x_threshold
&& (parent_local_snap_rect.mRight - test_rect.mRight) * mouse_dir.mX >= 0)
{
snap_pos = parent_local_snap_rect.mRight - padding;
snap_view = mParentView;
x_threshold = llabs(parent_local_snap_rect.mRight - test_rect.mRight);
}
break;
case SNAP_LEFT:
if (llabs(test_rect.mLeft - parent_local_snap_rect.mLeft) <= x_threshold
&& test_rect.mLeft * mouse_dir.mX <= 0)
{
snap_pos = parent_local_snap_rect.mLeft + padding;
snap_view = mParentView;
x_threshold = llabs(test_rect.mLeft - parent_local_snap_rect.mLeft);
}
break;
case SNAP_BOTTOM:
if (llabs(test_rect.mBottom - parent_local_snap_rect.mBottom) <= y_threshold
&& test_rect.mBottom * mouse_dir.mY <= 0)
{
snap_pos = parent_local_snap_rect.mBottom + padding;
snap_view = mParentView;
y_threshold = llabs(test_rect.mBottom - parent_local_snap_rect.mBottom);
}
break;
case SNAP_TOP:
if (llabs(parent_local_snap_rect.mTop - test_rect.mTop) <= y_threshold && (parent_local_snap_rect.mTop - test_rect.mTop) * mouse_dir.mY >= 0)
{
snap_pos = parent_local_snap_rect.mTop - padding;
snap_view = mParentView;
y_threshold = llabs(parent_local_snap_rect.mTop - test_rect.mTop);
}
break;
default:
llerrs << "Invalid snap edge" << llendl;
}
}
if (snap_type == SNAP_SIBLINGS || snap_type == SNAP_PARENT_AND_SIBLINGS)
{
for ( child_list_const_iter_t child_it = mParentView->getChildList()->begin();
child_it != mParentView->getChildList()->end(); ++child_it)
{
LLView* siblingp = *child_it;
if (!canSnapTo(siblingp)) continue;
LLRect sibling_rect = siblingp->getSnapRect();
switch(snap_edge)
{
case SNAP_RIGHT:
if (llabs(test_rect.mRight - sibling_rect.mLeft) <= x_threshold
&& (test_rect.mRight - sibling_rect.mLeft) * mouse_dir.mX <= 0)
{
snap_pos = sibling_rect.mLeft - padding;
snap_view = siblingp;
x_threshold = llabs(test_rect.mRight - sibling_rect.mLeft);
}
// if snapped with sibling along other axis, check for shared edge
else if (llabs(sibling_rect.mTop - (test_rect.mBottom - padding)) <= y_threshold
|| llabs(sibling_rect.mBottom - (test_rect.mTop + padding)) <= x_threshold)
{
if (llabs(test_rect.mRight - sibling_rect.mRight) <= x_threshold
&& (test_rect.mRight - sibling_rect.mRight) * mouse_dir.mX <= 0)
{
snap_pos = sibling_rect.mRight;
snap_view = siblingp;
x_threshold = llabs(test_rect.mRight - sibling_rect.mRight);
}
}
break;
case SNAP_LEFT:
if (llabs(test_rect.mLeft - sibling_rect.mRight) <= x_threshold
&& (test_rect.mLeft - sibling_rect.mRight) * mouse_dir.mX <= 0)
{
snap_pos = sibling_rect.mRight + padding;
snap_view = siblingp;
x_threshold = llabs(test_rect.mLeft - sibling_rect.mRight);
}
// if snapped with sibling along other axis, check for shared edge
else if (llabs(sibling_rect.mTop - (test_rect.mBottom - padding)) <= y_threshold
|| llabs(sibling_rect.mBottom - (test_rect.mTop + padding)) <= y_threshold)
{
if (llabs(test_rect.mLeft - sibling_rect.mLeft) <= x_threshold
&& (test_rect.mLeft - sibling_rect.mLeft) * mouse_dir.mX <= 0)
{
snap_pos = sibling_rect.mLeft;
snap_view = siblingp;
x_threshold = llabs(test_rect.mLeft - sibling_rect.mLeft);
}
}
break;
case SNAP_BOTTOM:
if (llabs(test_rect.mBottom - sibling_rect.mTop) <= y_threshold
&& (test_rect.mBottom - sibling_rect.mTop) * mouse_dir.mY <= 0)
{
snap_pos = sibling_rect.mTop + padding;
snap_view = siblingp;
y_threshold = llabs(test_rect.mBottom - sibling_rect.mTop);
}
// if snapped with sibling along other axis, check for shared edge
else if (llabs(sibling_rect.mRight - (test_rect.mLeft - padding)) <= x_threshold
|| llabs(sibling_rect.mLeft - (test_rect.mRight + padding)) <= x_threshold)
{
if (llabs(test_rect.mBottom - sibling_rect.mBottom) <= y_threshold
&& (test_rect.mBottom - sibling_rect.mBottom) * mouse_dir.mY <= 0)
{
snap_pos = sibling_rect.mBottom;
snap_view = siblingp;
y_threshold = llabs(test_rect.mBottom - sibling_rect.mBottom);
}
}
break;
case SNAP_TOP:
if (llabs(test_rect.mTop - sibling_rect.mBottom) <= y_threshold
&& (test_rect.mTop - sibling_rect.mBottom) * mouse_dir.mY <= 0)
{
snap_pos = sibling_rect.mBottom - padding;
snap_view = siblingp;
y_threshold = llabs(test_rect.mTop - sibling_rect.mBottom);
}
// if snapped with sibling along other axis, check for shared edge
else if (llabs(sibling_rect.mRight - (test_rect.mLeft - padding)) <= x_threshold
|| llabs(sibling_rect.mLeft - (test_rect.mRight + padding)) <= x_threshold)
{
if (llabs(test_rect.mTop - sibling_rect.mTop) <= y_threshold
&& (test_rect.mTop - sibling_rect.mTop) * mouse_dir.mY <= 0)
{
snap_pos = sibling_rect.mTop;
snap_view = siblingp;
y_threshold = llabs(test_rect.mTop - sibling_rect.mTop);
}
}
break;
default:
llerrs << "Invalid snap edge" << llendl;
}
}
}
new_edge_val = snap_pos;
return snap_view;
}
//-----------------------------------------------------------------------------
// Listener dispatch functions
//-----------------------------------------------------------------------------
void LLView::registerEventListener(std::string name, LLSimpleListener* function)
{
mDispatchList.insert(std::pair<std::string, LLSimpleListener*>(name, function));
lldebugs << getName() << " registered " << name << llendl;
}
struct LLSignalListener : LLSimpleListener
{
LLSignalListener(LLView::event_signal_t::slot_type &cb)
{
mSignal.connect(cb);
}
/*virtual*/ bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata)
{
mSignal(event, userdata);
return true;
}
LLView::event_signal_t mSignal;
};
void LLView::registerEventListener(std::string name, event_signal_t::slot_type &cb)
{
registerEventListener(name, new LLSignalListener(cb));
}
void LLView::deregisterEventListener(std::string name)
{
dispatch_list_t::iterator itor = mDispatchList.find(name);
if (itor != mDispatchList.end())
{
mDispatchList.erase(itor);
}
}
std::string LLView::findEventListener(LLSimpleListener *listener) const
{
dispatch_list_t::const_iterator itor;
for (itor = mDispatchList.begin(); itor != mDispatchList.end(); ++itor)
{
if (itor->second == listener)
{
return itor->first;
}
}
if (mParentView)
{
return mParentView->findEventListener(listener);
}
return LLStringUtil::null;
}
LLSimpleListener* LLView::getListenerByName(const std::string& callback_name)
{
LLSimpleListener* callback = NULL;
dispatch_list_t::iterator itor = mDispatchList.find(callback_name);
if (itor != mDispatchList.end())
{
callback = itor->second;
}
else if (mParentView)
{
callback = mParentView->getListenerByName(callback_name);
}
return callback;
}
LLControlVariable *LLView::findControl(const std::string& name)
{
control_map_t::iterator itor = mFloaterControls.find(name);
if (itor != mFloaterControls.end())
{
return itor->second;
}
if (mParentView)
{
return mParentView->findControl(name);
}
if (LLControlVariable* control = LLUI::sConfigGroup->getControl(name))
return control;
return LLUI::sAccountGroup->getControl(name);
}
const S32 FLOATER_H_MARGIN = 15;
const S32 MIN_WIDGET_HEIGHT = 10;
const S32 VPAD = 4;
void LLView::initFromParams(const LLView::Params& params)
{
LLRect required_rect = getRequiredRect();
S32 width = llmax(getRect().getWidth(), required_rect.getWidth());
S32 height = llmax(getRect().getHeight(), required_rect.getHeight());
reshape(width, height);
// call virtual methods with most recent data
// use getters because these values might not come through parameter block
setEnabled(getEnabled());
setVisible(getVisible());
if (!params.name().empty())
{
setName(params.name());
}
}
void LLView::parseFollowsFlags(const LLView::Params& params)
{
// preserve follows flags set by code if user did not override
/*if (!params.follows.isProvided())
{
return;
}*/
// interpret either string or bitfield version of follows
if (params.follows.string.isChosen())
{
setFollows(FOLLOWS_NONE);
std::string follows = params.follows.string;
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
boost::char_separator<char> sep("|");
tokenizer tokens(follows, sep);
tokenizer::iterator token_iter = tokens.begin();
while(token_iter != tokens.end())
{
const std::string& token_str = *token_iter;
if (token_str == "left")
{
setFollowsLeft();
}
else if (token_str == "right")
{
setFollowsRight();
}
else if (token_str == "top")
{
setFollowsTop();
}
else if (token_str == "bottom")
{
setFollowsBottom();
}
else if (token_str == "all")
{
setFollowsAll();
}
++token_iter;
}
}
else if (params.follows.flags.isChosen())
{
setFollows(params.follows.flags);
}
}
LLView::tree_iterator_t LLView::beginTreeDFS()
{
return tree_iterator_t(this,
boost::bind(boost::mem_fn(&LLView::beginChild), _1),
boost::bind(boost::mem_fn(&LLView::endChild), _1));
}
LLView::tree_iterator_t LLView::endTreeDFS()
{
// an empty iterator is an "end" iterator
return tree_iterator_t();
}
LLView::tree_post_iterator_t LLView::beginTreeDFSPost()
{
return tree_post_iterator_t(this,
boost::bind(boost::mem_fn(&LLView::beginChild), _1),
boost::bind(boost::mem_fn(&LLView::endChild), _1));
}
LLView::tree_post_iterator_t LLView::endTreeDFSPost()
{
// an empty iterator is an "end" iterator
return tree_post_iterator_t();
}
LLView::bfs_tree_iterator_t LLView::beginTreeBFS()
{
return bfs_tree_iterator_t(this,
boost::bind(boost::mem_fn(&LLView::beginChild), _1),
boost::bind(boost::mem_fn(&LLView::endChild), _1));
}
LLView::bfs_tree_iterator_t LLView::endTreeBFS()
{
// an empty iterator is an "end" iterator
return bfs_tree_iterator_t();
}
LLView::root_to_view_iterator_t LLView::beginRootToView()
{
return root_to_view_iterator_t(this, boost::bind(&LLView::getParent, _1));
}
LLView::root_to_view_iterator_t LLView::endRootToView()
{
return root_to_view_iterator_t();
}
// static
U32 LLView::createRect(LLXMLNodePtr node, LLRect &rect, LLView* parent_view, const LLRect &required_rect)
{
U32 follows = 0;
S32 x = rect.mLeft;
S32 y = rect.mBottom;
S32 w = rect.getWidth();
S32 h = rect.getHeight();
U32 last_x = 0;
U32 last_y = 0;
if (parent_view)
{
last_y = parent_view->getRect().getHeight();
child_list_t::const_iterator itor = parent_view->getChildList()->begin();
if (itor != parent_view->getChildList()->end())
{
LLView *last_view = (*itor);
if (last_view->getSaveToXML())
{
last_x = last_view->getRect().mLeft;
last_y = last_view->getRect().mBottom;
}
}
}
std::string rect_control;
node->getAttributeString("rect_control", rect_control);
if (! rect_control.empty())
{
LLRect rect = LLUI::sConfigGroup->getRect(rect_control);
x = rect.mLeft;
y = rect.mBottom;
w = rect.getWidth();
h = rect.getHeight();
}
if (node->hasAttribute("left"))
{
node->getAttributeS32("left", x);
}
if (node->hasAttribute("bottom"))
{
node->getAttributeS32("bottom", y);
}
// Make your width the width of the containing
// view if you don't specify a width.
if (parent_view)
{
if(w == 0)
{
w = llmax(required_rect.getWidth(), parent_view->getRect().getWidth() - (FLOATER_H_MARGIN) - x);
}
if(h == 0)
{
h = llmax(MIN_WIDGET_HEIGHT, required_rect.getHeight());
}
}
if (node->hasAttribute("width"))
{
node->getAttributeS32("width", w);
}
if (node->hasAttribute("height"))
{
node->getAttributeS32("height", h);
}
if (parent_view)
{
if (node->hasAttribute("left_delta"))
{
S32 left_delta = 0;
node->getAttributeS32("left_delta", left_delta);
x = last_x + left_delta;
}
else if (node->hasAttribute("left") && node->hasAttribute("right"))
{
// compute width based on left and right
S32 right = 0;
node->getAttributeS32("right", right);
if (right < 0)
{
right = parent_view->getRect().getWidth() + right;
}
w = right - x;
}
else if (node->hasAttribute("left"))
{
if (x < 0)
{
x = parent_view->getRect().getWidth() + x;
follows |= FOLLOWS_RIGHT;
}
else
{
follows |= FOLLOWS_LEFT;
}
}
else if (node->hasAttribute("width") && node->hasAttribute("right"))
{
S32 right = 0;
node->getAttributeS32("right", right);
if (right < 0)
{
right = parent_view->getRect().getWidth() + right;
}
x = right - w;
}
else
{
// left not specified, same as last
x = last_x;
}
if (node->hasAttribute("bottom_delta"))
{
S32 bottom_delta = 0;
node->getAttributeS32("bottom_delta", bottom_delta);
y = last_y + bottom_delta;
}
else if (node->hasAttribute("top"))
{
// compute height based on top
S32 top = 0;
node->getAttributeS32("top", top);
if (top < 0)
{
top = parent_view->getRect().getHeight() + top;
}
h = top - y;
}
else if (node->hasAttribute("bottom"))
{
if (y < 0)
{
y = parent_view->getRect().getHeight() + y;
follows |= FOLLOWS_TOP;
}
else
{
follows |= FOLLOWS_BOTTOM;
}
}
else
{
// if bottom not specified, generate automatically
if (last_y == 0)
{
// treat first child as "bottom"
y = parent_view->getRect().getHeight() - (h + VPAD);
follows |= FOLLOWS_TOP;
}
else
{
// treat subsequent children as "bottom_delta"
y = last_y - (h + VPAD);
}
}
}
else
{
x = llmax(x, 0);
y = llmax(y, 0);
follows = FOLLOWS_LEFT | FOLLOWS_TOP;
}
rect.setOriginAndSize(x, y, w, h);
return follows;
}
void LLView::initFromXML(LLXMLNodePtr node, LLView* parent)
{
// create rect first, as this will supply initial follows flags
LLRect view_rect;
U32 follows_flags = createRect(node, view_rect, parent, getRequiredRect());
// call reshape in case there are any child elements that need to be layed out
reshape(view_rect.getWidth(), view_rect.getHeight());
setRect(view_rect);
setFollows(follows_flags);
parseFollowsFlags(node);
if (node->hasAttribute("control_name"))
{
std::string control_name;
node->getAttributeString("control_name", control_name);
setControlName(control_name, NULL);
}
if (node->hasAttribute("tool_tip"))
{
std::string tool_tip_msg;
node->getAttributeString("tool_tip", tool_tip_msg);
setToolTip(tool_tip_msg);
}
if (node->hasAttribute("enabled"))
{
BOOL enabled;
node->getAttributeBOOL("enabled", enabled);
setEnabled(enabled);
}
if (node->hasAttribute("visible"))
{
BOOL visible;
node->getAttributeBOOL("visible", visible);
setVisible(visible);
}
if (node->hasAttribute("hover_cursor"))
{
std::string cursor_string;
node->getAttributeString("hover_cursor", cursor_string);
mHoverCursor = getCursorFromString(cursor_string);
}
node->getAttributeBOOL("use_bounding_rect", mUseBoundingRect);
node->getAttributeBOOL("mouse_opaque", mMouseOpaque);
node->getAttributeS32("default_tab_group", mDefaultTabGroup);
reshape(view_rect.getWidth(), view_rect.getHeight());
}
void LLView::parseFollowsFlags(LLXMLNodePtr node)
{
if (node->hasAttribute("follows"))
{
setFollowsNone();
std::string follows;
node->getAttributeString("follows", follows);
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
boost::char_separator<char> sep("|");
tokenizer tokens(follows, sep);
tokenizer::iterator token_iter = tokens.begin();
while(token_iter != tokens.end())
{
const std::string& token_str = *token_iter;
if (token_str == "left")
{
setFollowsLeft();
}
else if (token_str == "right")
{
setFollowsRight();
}
else if (token_str == "top")
{
setFollowsTop();
}
else if (token_str == "bottom")
{
setFollowsBottom();
}
else if (token_str == "all")
{
setFollowsAll();
}
++token_iter;
}
}
}
// static
LLFontGL* LLView::selectFont(LLXMLNodePtr node)
{
std::string font_name, font_size, font_style;
U8 style = 0;
if (node->hasAttribute("font"))
{
node->getAttributeString("font", font_name);
}
if (node->hasAttribute("font_size"))
{
node->getAttributeString("font_size", font_size);
}
if (node->hasAttribute("font_style"))
{
node->getAttributeString("font_style", font_style);
style = LLFontGL::getStyleFromString(font_style);
}
if (node->hasAttribute("font-style"))
{
node->getAttributeString("font-style", font_style);
style = LLFontGL::getStyleFromString(font_style);
}
if (font_name.empty())
return NULL;
LLFontDescriptor desc(font_name, font_size, style);
LLFontGL* gl_font = LLFontGL::getFont(desc);
return gl_font;
}
// static
LLFontGL::HAlign LLView::selectFontHAlign(LLXMLNodePtr node)
{
LLFontGL::HAlign gl_hfont_align = LLFontGL::LEFT;
if (node->hasAttribute("halign"))
{
std::string horizontal_align_name;
node->getAttributeString("halign", horizontal_align_name);
gl_hfont_align = LLFontGL::hAlignFromName(horizontal_align_name);
}
return gl_hfont_align;
}
// static
LLFontGL::VAlign LLView::selectFontVAlign(LLXMLNodePtr node)
{
LLFontGL::VAlign gl_vfont_align = LLFontGL::BASELINE;
if (node->hasAttribute("valign"))
{
std::string vert_align_name;
node->getAttributeString("valign", vert_align_name);
gl_vfont_align = LLFontGL::vAlignFromName(vert_align_name);
}
return gl_vfont_align;
}
// static
LLFontGL::StyleFlags LLView::selectFontStyle(LLXMLNodePtr node)
{
LLFontGL::StyleFlags gl_font_style = LLFontGL::NORMAL;
if (node->hasAttribute("style"))
{
std::string style_flags_name;
node->getAttributeString("style", style_flags_name);
if (style_flags_name == "normal")
{
gl_font_style = LLFontGL::NORMAL;
}
else if (style_flags_name == "bold")
{
gl_font_style = LLFontGL::BOLD;
}
else if (style_flags_name == "italic")
{
gl_font_style = LLFontGL::ITALIC;
}
else if (style_flags_name == "underline")
{
gl_font_style = LLFontGL::UNDERLINE;
}
//else leave left
}
return gl_font_style;
}
bool LLView::setControlValue(const LLSD& value)
{
std::string ctrlname = getControlName();
if (!ctrlname.empty())
{
LLUI::getControlControlGroup(ctrlname).setUntypedValue(ctrlname, value);
return true;
}
return false;
}
//virtual
void LLView::setControlName(const std::string& control_name, LLView *context)
{
if (context == NULL)
{
context = this;
}
if (!mControlName.empty())
{
llwarns << "setControlName called twice on same control!" << llendl;
mControlConnection.disconnect(); // disconnect current signal
mControlName.clear();
}
// Register new listener
if (!control_name.empty())
{
LLControlVariable *control = context->findControl(control_name);
if (control)
{
mControlName = control_name;
mControlConnection = control->getSignal()->connect(boost::bind(&controlListener, _2, getHandle(), std::string("value")));
setValue(control->getValue());
}
}
}
// static
bool LLView::controlListener(const LLSD& newvalue, LLHandle<LLView> handle, std::string type)
{
LLView* view = handle.get();
if (view)
{
if (type == "value")
{
view->setValue(newvalue);
return true;
}
else if (type == "enabled")
{
view->setEnabled(newvalue.asBoolean());
return true;
}
else if (type == "visible")
{
view->setVisible(newvalue.asBoolean());
return true;
}
}
return false;
}
void LLView::addBoolControl(const std::string& name, bool initial_value)
{
mFloaterControls[name] = new LLControlVariable(name, TYPE_BOOLEAN, initial_value, std::string("Internal floater control"));
}
LLControlVariable *LLView::getControl(const std::string& name)
{
control_map_t::iterator itor = mFloaterControls.find(name);
if (itor != mFloaterControls.end())
{
return itor->second;
}
return NULL;
}
//virtual
void LLView::setValue(const LLSD& value)
{
}
//virtual
LLSD LLView::getValue() const
{
return LLSD();
}
S32 LLView::notifyParent(const LLSD& info)
{
LLView* parent = getParent();
if(parent)
return parent->notifyParent(info);
return 0;
}
bool LLView::notifyChildren(const LLSD& info)
{
bool ret = false;
BOOST_FOREACH(LLView* childp, mChildList)
{
ret = ret || childp->notifyChildren(info);
}
return ret;
}
// convenient accessor for draw context
const LLViewDrawContext& LLView::getDrawContext()
{
return LLViewDrawContext::getCurrentContext();
}
const LLViewDrawContext& LLViewDrawContext::getCurrentContext()
{
static LLViewDrawContext default_context;
if (sDrawContextStack.empty())
return default_context;
return *sDrawContextStack.back();
}
LLView* LLView::createWidget(LLXMLNodePtr xml_node) const
{
// forward requests to ui ctrl factory
return LLUICtrlFactory::getInstance()->createCtrlWidget(NULL, xml_node);
}
//
// LLWidgetClassRegistry
//
LLWidgetClassRegistry::LLWidgetClassRegistry()
{
}
void LLWidgetClassRegistry::registerCtrl(const std::string& tag, LLWidgetClassRegistry::factory_func_t function)
{
std::string lower_case_tag = tag;
LLStringUtil::toLower(lower_case_tag);
mCreatorFunctions[lower_case_tag] = function;
}
BOOL LLWidgetClassRegistry::isTagRegistered(const std::string &tag)
{
return mCreatorFunctions.find(tag) != mCreatorFunctions.end();
}
LLWidgetClassRegistry::factory_func_t LLWidgetClassRegistry::getCreatorFunc(const std::string& ctrl_type)
{
factory_map_t::const_iterator found_it = mCreatorFunctions.find(ctrl_type);
if (found_it == mCreatorFunctions.end())
{
return NULL;
}
return found_it->second;
}
Reference in New Issue View Git Blame Copy Permalink