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SingularityViewer/indra/llui/llcombobox.cpp

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/**
* @file llcombobox.cpp
* @brief LLComboBox 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
* $/LicenseInfo$
*/
// A control that displays the name of the chosen item, which when
// clicked shows a scrolling box of options.
#include "linden_common.h"
// file includes
#include "llcombobox.h"
// common includes
#include "llstring.h"
// newview includes
#include "llbutton.h"
#include "llkeyboard.h"
#include "llscrolllistctrl.h"
#include "llwindow.h"
#include "llfloater.h"
#include "llscrollbar.h"
#include "llscrolllistcell.h"
#include "llscrolllistitem.h"
#include "llcontrol.h"
#include "llfocusmgr.h"
#include "lllineeditor.h"
#include "v2math.h"
// Globals
S32 LLCOMBOBOX_HEIGHT = 0;
S32 LLCOMBOBOX_WIDTH = 0;
S32 MAX_COMBO_WIDTH = 500;
static LLRegisterWidget<LLComboBox> register_combo_box("combo_box");
LLComboBox::LLComboBox(const std::string& name, const LLRect& rect, const std::string& label, commit_callback_t commit_callback)
: LLUICtrl(name, rect, TRUE, commit_callback, FOLLOWS_LEFT | FOLLOWS_TOP),
mTextEntry(NULL),
mTextEntryTentative(TRUE),
mArrowImage(NULL),
mHasAutocompletedText(false),
mAllowTextEntry(false),
mAllowNewValues(false),
mMaxChars(20),
mPrearrangeCallback( NULL ),
mTextEntryCallback( NULL ),
mListPosition(BELOW),
mSuppressTentative( false ),
mSuppressAutoComplete( false ),
mListColor(LLUI::sColorsGroup->getColor("ComboBoxBg")),
mLastSelectedIndex(-1),
mLabel(label)
{
// Always use text box
// Text label button
mButton = new LLButton(mLabel, LLRect(), LLStringUtil::null);
mButton->setImageUnselected(LLUI::getUIImage("square_btn_32x128.tga"));
mButton->setImageSelected(LLUI::getUIImage("square_btn_selected_32x128.tga"));
mButton->setImageDisabled(LLUI::getUIImage("square_btn_32x128.tga"));
mButton->setImageDisabledSelected(LLUI::getUIImage("square_btn_selected_32x128.tga"));
mButton->setScaleImage(TRUE);
mButton->setMouseDownCallback(boost::bind(&LLComboBox::onButtonMouseDown,this));
mButton->setFont(LLFontGL::getFontSansSerifSmall());
mButton->setFollows(FOLLOWS_LEFT | FOLLOWS_BOTTOM | FOLLOWS_RIGHT);
mButton->setHAlign( LLFontGL::LEFT );
mButton->setRightHPad(2);
addChild(mButton);
// disallow multiple selection
mList = new LLScrollListCtrl(std::string("ComboBox"), LLRect(),
boost::bind(&LLComboBox::onItemSelected, this, _2), FALSE);
mList->setVisible(false);
mList->setBgWriteableColor(mListColor);
mList->setCommitOnKeyboardMovement(false);
addChild(mList);
// Mouse-down on button will transfer mouse focus to the list
// Grab the mouse-up event and make sure the button state is correct
mList->setMouseUpCallback(boost::bind(&LLComboBox::onListMouseUp, this));
mArrowImage = LLUI::getUIImage("combobox_arrow.tga");
mButton->setImageOverlay("combobox_arrow.tga", LLFontGL::RIGHT);
updateLayout();
mTopLostSignalConnection = setTopLostCallback(boost::bind(&LLComboBox::hideList, this));
}
// virtual
LLXMLNodePtr LLComboBox::getXML(bool save_children) const
{
LLXMLNodePtr node = LLUICtrl::getXML();
node->setName(LL_COMBO_BOX_TAG);
// Attributes
node->createChild("allow_text_entry", TRUE)->setBoolValue(mAllowTextEntry);
node->createChild("max_chars", TRUE)->setIntValue(mMaxChars);
// Contents
std::vector<LLScrollListItem*> data_list = mList->getAllData();
for (std::vector<LLScrollListItem*>::iterator data_itor = data_list.begin(); data_itor != data_list.end(); ++data_itor)
{
LLScrollListItem* item = *data_itor;
LLScrollListCell* cell = item->getColumn(0);
if (cell)
{
LLXMLNodePtr item_node = node->createChild("combo_item", FALSE);
LLSD value = item->getValue();
item_node->createChild("value", TRUE)->setStringValue(value.asString());
item_node->createChild("enabled", TRUE)->setBoolValue(item->getEnabled());
item_node->setStringValue(cell->getValue().asString());
}
}
return node;
}
// static
LLView* LLComboBox::fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory)
{
std::string label("");
node->getAttributeString("label", label);
LLRect rect;
createRect(node, rect, parent, LLRect());
BOOL allow_text_entry = FALSE;
node->getAttributeBOOL("allow_text_entry", allow_text_entry);
S32 max_chars = 20;
node->getAttributeS32("max_chars", max_chars);
LLComboBox* combo_box = new LLComboBox("combo_box", rect, label);
combo_box->setAllowTextEntry(allow_text_entry, max_chars);
if (LLFontGL* font = selectFont(node))
combo_box->mButton->setFont(font);
const std::string& contents = node->getValue();
if (contents.find_first_not_of(" \n\t") != contents.npos)
{
llerrs << "Legacy combo box item format used! Please convert to <combo_item> tags!" << llendl;
}
else
{
LLXMLNodePtr child;
for (child = node->getFirstChild(); child.notNull(); child = child->getNextSibling())
{
if (child->hasName("combo_item") || child->hasName("combo_box.item"))
{
std::string label = child->getTextContents();
child->getAttributeString("label", label);
std::string value = label;
child->getAttributeString("value", value);
LLScrollListItem * item=combo_box->add(label, LLSD(value) );
if(item && child->hasAttribute("tool_tip"))
{
std::string tool_tip = label;
child->getAttributeString("tool_tip", tool_tip);
item->getColumn(0)->setToolTip(tool_tip);
}
}
}
}
//Do this AFTER combo_items are set up so setValue is actually able to select the correct initial entry.
combo_box->initFromXML(node, parent);
// if providing user text entry or descriptive label
// don't select an item under the hood
if (!combo_box->acceptsTextInput() && combo_box->mLabel.empty())
{
combo_box->selectFirstItem();
}
return combo_box;
}
void LLComboBox::setEnabled(BOOL enabled)
{
LLView::setEnabled(enabled);
mButton->setEnabled(enabled);
}
LLComboBox::~LLComboBox()
{
// children automatically deleted, including mMenu, mButton
// explicitly disconect this signal, since base class destructor might fire top lost
mTopLostSignalConnection.disconnect();
}
void LLComboBox::clear()
{
if (mTextEntry)
{
mTextEntry->setText(LLStringUtil::null);
}
mButton->setLabelSelected(LLStringUtil::null);
mButton->setLabelUnselected(LLStringUtil::null);
mList->deselectAllItems();
mLastSelectedIndex = -1;
}
void LLComboBox::onCommit()
{
if (mAllowTextEntry && getCurrentIndex() != -1)
{
// we have selected an existing item, blitz the manual text entry with
// the properly capitalized item
mTextEntry->setValue(getSimple());
mTextEntry->setTentative(FALSE);
}
setControlValue(getValue());
LLUICtrl::onCommit();
}
// virtual
BOOL LLComboBox::isDirty() const
{
BOOL grubby = FALSE;
if ( mList )
{
grubby = mList->isDirty();
}
return grubby;
}
BOOL LLComboBox::isTextDirty() const
{
BOOL grubby = FALSE;
if ( mTextEntry )
{
grubby = mTextEntry->isDirty();
}
return grubby;
}
// virtual Clear dirty state
void LLComboBox::resetDirty()
{
if ( mList )
{
mList->resetDirty();
}
}
bool LLComboBox::itemExists(const std::string& name)
{
return mList->getItemByLabel(name);
}
void LLComboBox::resetTextDirty()
{
if ( mTextEntry )
{
mTextEntry->resetDirty();
}
}
// add item "name" to menu
LLScrollListItem* LLComboBox::add(const std::string& name, EAddPosition pos, BOOL enabled)
{
LLScrollListItem* item = mList->addSimpleElement(name, pos);
item->setEnabled(enabled);
if (!mAllowTextEntry && mLabel.empty())
{
selectFirstItem();
}
return item;
}
// add item "name" with a unique id to menu
LLScrollListItem* LLComboBox::add(const std::string& name, const LLUUID& id, EAddPosition pos, BOOL enabled )
{
LLScrollListItem* item = mList->addSimpleElement(name, pos, id);
item->setEnabled(enabled);
if (!mAllowTextEntry && mLabel.empty())
{
selectFirstItem();
}
return item;
}
// add item "name" with attached userdata
LLScrollListItem* LLComboBox::add(const std::string& name, void* userdata, EAddPosition pos, BOOL enabled )
{
LLScrollListItem* item = mList->addSimpleElement(name, pos);
item->setEnabled(enabled);
item->setUserdata( userdata );
if (!mAllowTextEntry && mLabel.empty())
{
selectFirstItem();
}
return item;
}
// add item "name" with attached generic data
LLScrollListItem* LLComboBox::add(const std::string& name, LLSD value, EAddPosition pos, BOOL enabled )
{
LLScrollListItem* item = mList->addSimpleElement(name, pos, value);
item->setEnabled(enabled);
if (!mAllowTextEntry && mLabel.empty())
{
selectFirstItem();
}
return item;
}
LLScrollListItem* LLComboBox::addSeparator(EAddPosition pos)
{
return mList->addSeparator(pos);
}
void LLComboBox::sortByName(BOOL ascending)
{
mList->sortOnce(0, ascending);
}
// Choose an item with a given name in the menu.
// Returns TRUE if the item was found.
BOOL LLComboBox::setSimple(const LLStringExplicit& name)
{
BOOL found = mList->selectItemByLabel(name, FALSE);
if (found)
{
setLabel(name);
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
return found;
}
// virtual
void LLComboBox::setValue(const LLSD& value)
{
BOOL found = mList->selectByValue(value);
if (found)
{
LLScrollListItem* item = mList->getFirstSelected();
if (item)
{
updateLabel();
}
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
else
{
mLastSelectedIndex = -1;
}
}
const std::string LLComboBox::getSimple() const
{
const std::string res = getSelectedItemLabel();
if (res.empty() && mAllowTextEntry)
{
return mTextEntry->getText();
}
else
{
return res;
}
}
const std::string LLComboBox::getSelectedItemLabel(S32 column) const
{
return mList->getSelectedItemLabel(column);
}
// virtual
LLSD LLComboBox::getValue() const
{
LLScrollListItem* item = mList->getFirstSelected();
if( item )
{
return item->getValue();
}
else if (mAllowTextEntry)
{
return mTextEntry->getValue();
}
else
{
return LLSD();
}
}
void LLComboBox::setLabel(const LLStringExplicit& name)
{
if ( mTextEntry )
{
mTextEntry->setText(name);
if (mList->selectItemByLabel(name, FALSE))
{
mTextEntry->setTentative(FALSE);
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
else
{
if (!mSuppressTentative) mTextEntry->setTentative(mTextEntryTentative);
}
}
if (!mAllowTextEntry)
{
mButton->setLabelUnselected(name);
mButton->setLabelSelected(name);
}
}
void LLComboBox::updateLabel()
{
// Update the combo editor with the selected
// item label.
if (mTextEntry)
{
mTextEntry->setText(getSelectedItemLabel());
mTextEntry->setTentative(FALSE);
}
// If combo box doesn't allow text entry update
// the combo button label.
if (!mAllowTextEntry)
{
std::string label = getSelectedItemLabel();
mButton->setLabelUnselected(label);
mButton->setLabelSelected(label);
}
}
BOOL LLComboBox::remove(const std::string& name)
{
BOOL found = mList->selectItemByLabel(name);
if (found)
{
LLScrollListItem* item = mList->getFirstSelected();
if (item)
{
mList->deleteSingleItem(mList->getItemIndex(item));
}
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
return found;
}
BOOL LLComboBox::remove(S32 index)
{
if (index < mList->getItemCount())
{
mList->deleteSingleItem(index);
setLabel(getSelectedItemLabel());
return TRUE;
}
return FALSE;
}
// Keyboard focus lost.
void LLComboBox::onFocusLost()
{
hideList();
// if valid selection
if (mAllowTextEntry && getCurrentIndex() != -1)
{
mTextEntry->selectAll();
}
LLUICtrl::onFocusLost();
}
void LLComboBox::setButtonVisible(BOOL visible)
{
mButton->setVisible(visible);
if (mTextEntry)
{
LLRect text_entry_rect(0, getRect().getHeight(), getRect().getWidth(), 0);
if (visible)
{
text_entry_rect.mRight -= llmax(8,mArrowImage->getWidth()) + 2 * LLUI::sConfigGroup->getS32("DropShadowButton");
}
//mTextEntry->setRect(text_entry_rect);
mTextEntry->reshape(text_entry_rect.getWidth(), text_entry_rect.getHeight(), TRUE);
}
}
void LLComboBox::draw()
{
mButton->setEnabled(getEnabled() /*&& !mList->isEmpty()*/);
// Draw children normally
LLUICtrl::draw();
}
BOOL LLComboBox::setCurrentByIndex( S32 index )
{
BOOL found = mList->selectNthItem( index );
if (found)
{
setLabel(getSelectedItemLabel());
mLastSelectedIndex = index;
}
return found;
}
S32 LLComboBox::getCurrentIndex() const
{
LLScrollListItem* item = mList->getFirstSelected();
if( item )
{
return mList->getItemIndex( item );
}
return -1;
}
void LLComboBox::updateLayout()
{
LLRect rect = getLocalRect();
if (mAllowTextEntry)
{
S32 shadow_size = LLUI::sConfigGroup->getS32("DropShadowButton");
mButton->setRect(LLRect( getRect().getWidth() - llmax(8,mArrowImage->getWidth()) - 2 * shadow_size,
rect.mTop, rect.mRight, rect.mBottom));
mButton->setTabStop(FALSE);
if (!mTextEntry)
{
LLRect text_entry_rect(0, getRect().getHeight(), getRect().getWidth(), 0);
text_entry_rect.mRight -= llmax(8,mArrowImage->getWidth()) + 2 * shadow_size;
// clear label on button
std::string cur_label = mButton->getLabelSelected();
mTextEntry = new LLLineEditor(std::string("combo_text_entry"),
text_entry_rect,
LLStringUtil::null,
LLFontGL::getFontSansSerifSmall(),
mMaxChars,
boost::bind(&LLComboBox::onTextCommit, this, _2),
boost::bind(&LLComboBox::onTextEntry, this, _1));
mTextEntry->setSelectAllonFocusReceived(TRUE);
mTextEntry->setHandleEditKeysDirectly(TRUE);
mTextEntry->setCommitOnFocusLost(FALSE);
mTextEntry->setFollows(FOLLOWS_ALL);
mTextEntry->setText(cur_label);
mTextEntry->setIgnoreTab(TRUE);
addChild(mTextEntry);
}
else
{
mTextEntry->setVisible(TRUE);
mTextEntry->setMaxTextLength(mMaxChars);
}
// clear label on button
setLabel(LLStringUtil::null);
mButton->setFollows(FOLLOWS_BOTTOM | FOLLOWS_TOP | FOLLOWS_RIGHT);
}
else
{
mButton->setRect(rect);
mButton->setTabStop(TRUE);
mButton->setLabelUnselected(mLabel);
mButton->setLabelSelected(mLabel);
if (mTextEntry)
{
mTextEntry->setVisible(FALSE);
}
mButton->setFollows(FOLLOWS_ALL);
}
}
void* LLComboBox::getCurrentUserdata()
{
LLScrollListItem* item = mList->getFirstSelected();
if( item )
{
return item->getUserdata();
}
return NULL;
}
void LLComboBox::showList()
{
// Make sure we don't go off top of screen.
LLCoordWindow window_size;
getWindow()->getSize(&window_size);
//HACK: shouldn't have to know about scale here
mList->fitContents( 192, llfloor((F32)window_size.mY / LLUI::getScaleFactor().mV[VY]) - 50 );
// Make sure that we can see the whole list
LLRect root_view_local;
LLView* root_view = getRootView();
root_view->localRectToOtherView(root_view->getLocalRect(), &root_view_local, this);
LLRect rect = mList->getRect();
S32 min_width = getRect().getWidth();
S32 max_width = llmax(min_width, MAX_COMBO_WIDTH);
// make sure we have up to date content width metrics
mList->updateColumnWidths();
S32 list_width = llclamp(mList->getMaxContentWidth(), min_width, max_width);
if (mListPosition == BELOW)
{
if (rect.getHeight() <= -root_view_local.mBottom)
{
// Move rect so it hangs off the bottom of this view
rect.setLeftTopAndSize(0, 0, list_width, rect.getHeight() );
}
else
{
// stack on top or bottom, depending on which has more room
if (-root_view_local.mBottom > root_view_local.mTop - getRect().getHeight())
{
// Move rect so it hangs off the bottom of this view
rect.setLeftTopAndSize(0, 0, list_width, llmin(-root_view_local.mBottom, rect.getHeight()));
}
else
{
// move rect so it stacks on top of this view (clipped to size of screen)
rect.setOriginAndSize(0, getRect().getHeight(), list_width, llmin(root_view_local.mTop - getRect().getHeight(), rect.getHeight()));
}
}
}
else // ABOVE
{
if (rect.getHeight() <= root_view_local.mTop - getRect().getHeight())
{
// move rect so it stacks on top of this view (clipped to size of screen)
rect.setOriginAndSize(0, getRect().getHeight(), list_width, llmin(root_view_local.mTop - getRect().getHeight(), rect.getHeight()));
}
else
{
// stack on top or bottom, depending on which has more room
if (-root_view_local.mBottom > root_view_local.mTop - getRect().getHeight())
{
// Move rect so it hangs off the bottom of this view
rect.setLeftTopAndSize(0, 0, list_width, llmin(-root_view_local.mBottom, rect.getHeight()));
}
else
{
// move rect so it stacks on top of this view (clipped to size of screen)
rect.setOriginAndSize(0, getRect().getHeight(), list_width, llmin(root_view_local.mTop - getRect().getHeight(), rect.getHeight()));
}
}
}
mList->setOrigin(rect.mLeft, rect.mBottom);
mList->reshape(rect.getWidth(), rect.getHeight());
mList->translateIntoRect(root_view_local, FALSE);
// Make sure we didn't go off bottom of screen
S32 x, y;
mList->localPointToScreen(0, 0, &x, &y);
if (y < 0)
{
mList->translate(0, -y);
}
// NB: this call will trigger the focuslost callback which will hide the list, so do it first
// before finally showing the list
mList->setFocus(TRUE);
// register ourselves as a "top" control
// effectively putting us into a special draw layer
// and not affecting the bounding rectangle calculation
gFocusMgr.setTopCtrl(this);
// Show the list and push the button down
mButton->setToggleState(TRUE);
mList->setVisible(TRUE);
setUseBoundingRect(TRUE);
}
void LLComboBox::hideList()
{
if (mList->getVisible())
{
// assert selection in list
if(mAllowNewValues)
{
// mLastSelectedIndex = -1 means that we entered a new value, don't select
// any of existing items in this case.
if(mLastSelectedIndex >= 0)
mList->selectNthItem(mLastSelectedIndex);
}
else if(mLastSelectedIndex >= 0)
mList->selectNthItem(mLastSelectedIndex);
mButton->setToggleState(FALSE);
mList->setVisible(FALSE);
mList->mouseOverHighlightNthItem(-1);
setUseBoundingRect(FALSE);
if( gFocusMgr.getTopCtrl() == this )
{
gFocusMgr.setTopCtrl(NULL);
}
}
}
void LLComboBox::onButtonMouseDown()
{
if (!mList->getVisible())
{
// this might change selection, so do it first
prearrangeList();
// highlight the last selected item from the original selection before potentially selecting a new item
// as visual cue to original value of combo box
LLScrollListItem* last_selected_item = mList->getLastSelectedItem();
if (last_selected_item)
{
mList->mouseOverHighlightNthItem(mList->getItemIndex(last_selected_item));
}
if (mList->getItemCount() != 0)
{
showList();
}
setFocus( TRUE );
// pass mouse capture on to list if button is depressed
if (mButton->hasMouseCapture())
{
gFocusMgr.setMouseCapture(mList);
// But keep the "pressed" look, which buttons normally lose when they
// lose focus
mButton->setForcePressedState(true);
}
}
else
{
hideList();
}
}
void LLComboBox::onListMouseUp()
{
// In some cases this is the termination of a mouse click that started on
// the button, so clear its pressed state
mButton->setForcePressedState(false);
}
//------------------------------------------------------------------
// static functions
//------------------------------------------------------------------
void LLComboBox::onItemSelected(const LLSD& data)
{
mLastSelectedIndex = getCurrentIndex();
if (mLastSelectedIndex != -1)
{
updateLabel();
if (mAllowTextEntry)
{
gFocusMgr.setKeyboardFocus(mTextEntry);
mTextEntry->selectAll();
}
}
// hiding the list reasserts the old value stored in the text editor/dropdown button
hideList();
// commit does the reverse, asserting the value in the list
onCommit();
}
BOOL LLComboBox::handleToolTip(S32 x, S32 y, std::string& msg, LLRect* sticky_rect_screen)
{
std::string tool_tip;
if(LLUICtrl::handleToolTip(x, y, msg, sticky_rect_screen))
{
return TRUE;
}
if (LLUI::sShowXUINames)
{
tool_tip = getShowNamesToolTip();
}
else
{
tool_tip = getToolTip();
if (tool_tip.empty())
{
tool_tip = getSelectedItemLabel();
}
}
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(
getRect().getWidth(), getRect().getHeight(),
&(sticky_rect_screen->mRight), &(sticky_rect_screen->mTop) );
}
return TRUE;
}
BOOL LLComboBox::handleKeyHere(KEY key, MASK mask)
{
BOOL result = FALSE;
if (hasFocus())
{
if (mList->getVisible()
&& key == KEY_ESCAPE && mask == MASK_NONE)
{
hideList();
return TRUE;
}
//give list a chance to pop up and handle key
LLScrollListItem* last_selected_item = mList->getLastSelectedItem();
if (last_selected_item)
{
// highlight the original selection before potentially selecting a new item
mList->mouseOverHighlightNthItem(mList->getItemIndex(last_selected_item));
}
result = mList->handleKeyHere(key, mask);
// will only see return key if it is originating from line editor
// since the dropdown button eats the key
if (key == KEY_RETURN)
{
// don't show list and don't eat key input when committing
// free-form text entry with RETURN since user already knows
// what they are trying to select
return FALSE;
}
// if selection has changed, pop open list
else if (mList->getLastSelectedItem() != last_selected_item
|| ((key == KEY_DOWN || key == KEY_UP)
&& mList->getCanSelect()
&& !mList->isEmpty()))
{
showList();
}
}
return result;
}
BOOL LLComboBox::handleUnicodeCharHere(llwchar uni_char)
{
BOOL result = FALSE;
if (gFocusMgr.childHasKeyboardFocus(this))
{
// space bar just shows the list
if (' ' != uni_char )
{
LLScrollListItem* last_selected_item = mList->getLastSelectedItem();
if (last_selected_item)
{
// highlight the original selection before potentially selecting a new item
mList->mouseOverHighlightNthItem(mList->getItemIndex(last_selected_item));
}
result = mList->handleUnicodeCharHere(uni_char);
if (mList->getLastSelectedItem() != last_selected_item)
{
showList();
}
}
}
return result;
}
BOOL LLComboBox::handleScrollWheel(S32 x, S32 y, S32 clicks)
{
if (mList->getVisible()) return mList->handleScrollWheel(x, y, clicks);
if (mAllowTextEntry) // We might be editable
if (!mList->getFirstSelected()) // We aren't in the list, don't kill their text
return false;
setCurrentByIndex(llclamp(getCurrentIndex() + clicks, 0, getItemCount() - 1));
prearrangeList();
onCommit();
return true;
}
void LLComboBox::setAllowTextEntry(BOOL allow, S32 max_chars, BOOL set_tentative)
{
mAllowTextEntry = allow;
mTextEntryTentative = set_tentative;
mMaxChars = max_chars;
updateLayout();
}
void LLComboBox::setTextEntry(const LLStringExplicit& text)
{
if (mTextEntry)
{
mTextEntry->setText(text);
mTextEntry->setCursor(0); // Singu Note: Move the cursor over to the beginning
mHasAutocompletedText = FALSE;
updateSelection();
}
}
const std::string LLComboBox::getTextEntry() const
{
return mTextEntry->getText();
}
void LLComboBox::onTextEntry(LLLineEditor* line_editor)
{
if (mTextEntryCallback != NULL)
{
(mTextEntryCallback)(line_editor, LLSD());
}
KEY key = gKeyboard->currentKey();
if (key == KEY_BACKSPACE ||
key == KEY_DELETE)
{
if (mList->selectItemByLabel(line_editor->getText(), FALSE))
{
line_editor->setTentative(FALSE);
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
else
{
if (!mSuppressTentative)
line_editor->setTentative(mTextEntryTentative);
mList->deselectAllItems();
mLastSelectedIndex = -1;
}
return;
}
if (key == KEY_LEFT ||
key == KEY_RIGHT)
{
return;
}
if (key == KEY_DOWN)
{
setCurrentByIndex(llmin(getItemCount() - 1, getCurrentIndex() + 1));
if (!mList->getVisible())
{
prearrangeList();
if (mList->getItemCount() != 0)
{
showList();
}
}
line_editor->selectAll();
line_editor->setTentative(FALSE);
}
else if (key == KEY_UP)
{
setCurrentByIndex(llmax(0, getCurrentIndex() - 1));
if (!mList->getVisible())
{
prearrangeList();
if (mList->getItemCount() != 0)
{
showList();
}
}
line_editor->selectAll();
line_editor->setTentative(FALSE);
}
else
{
// RN: presumably text entry
updateSelection();
}
}
void LLComboBox::updateSelection()
{
if(mSuppressAutoComplete) {
return;
}
LLWString left_wstring = mTextEntry->getWText().substr(0, mTextEntry->getCursor());
// user-entered portion of string, based on assumption that any selected
// text was a result of auto-completion
LLWString user_wstring = mHasAutocompletedText ? left_wstring : mTextEntry->getWText();
std::string full_string = mTextEntry->getText();
// go ahead and arrange drop down list on first typed character, even
// though we aren't showing it... some code relies on prearrange
// callback to populate content
if( mTextEntry->getWText().size() == 1 )
{
prearrangeList(mTextEntry->getText());
}
if (mList->selectItemByLabel(full_string, FALSE))
{
mTextEntry->setTentative(FALSE);
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
else if (mList->selectItemByPrefix(left_wstring, FALSE))
{
LLWString selected_item = utf8str_to_wstring(getSelectedItemLabel());
LLWString wtext = left_wstring + selected_item.substr(left_wstring.size(), selected_item.size());
mTextEntry->setText(wstring_to_utf8str(wtext));
mTextEntry->setSelection(left_wstring.size(), mTextEntry->getWText().size());
mTextEntry->endSelection();
mTextEntry->setTentative(FALSE);
mHasAutocompletedText = TRUE;
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
else // no matching items found
{
mList->deselectAllItems();
mTextEntry->setText(wstring_to_utf8str(user_wstring)); // removes text added by autocompletion
mTextEntry->setTentative(mTextEntryTentative);
mHasAutocompletedText = FALSE;
mLastSelectedIndex = -1;
}
}
void LLComboBox::onTextCommit(const LLSD& data)
{
std::string text = mTextEntry->getText();
setSimple(text);
onCommit();
mTextEntry->selectAll();
}
void LLComboBox::setSuppressTentative(bool suppress)
{
mSuppressTentative = suppress;
if (mTextEntry && mSuppressTentative) mTextEntry->setTentative(FALSE);
}
void LLComboBox::setSuppressAutoComplete(bool suppress)
{
mSuppressAutoComplete = suppress;
}
void LLComboBox::setFocusText(BOOL b)
{
LLUICtrl::setFocus(b);
if (b && mTextEntry)
{
if (mTextEntry->getVisible())
{
mTextEntry->setFocus(TRUE);
}
}
}
void LLComboBox::setFocus(BOOL b)
{
LLUICtrl::setFocus(b);
if (b)
{
mList->clearSearchString();
if (mList->getVisible())
{
mList->setFocus(TRUE);
}
}
}
void LLComboBox::setPrevalidate( BOOL (*func)(const LLWString &) )
{
if (mTextEntry) mTextEntry->setPrevalidate(func);
}
void LLComboBox::prearrangeList(std::string filter)
{
if (mPrearrangeCallback)
{
mPrearrangeCallback(this, LLSD(filter));
}
}
//============================================================================
// LLCtrlListInterface functions
S32 LLComboBox::getItemCount() const
{
return mList->getItemCount();
}
void LLComboBox::addColumn(const LLSD& column, EAddPosition pos)
{
mList->clearColumns();
mList->addColumn(column, pos);
}
void LLComboBox::clearColumns()
{
mList->clearColumns();
}
void LLComboBox::setColumnLabel(const std::string& column, const std::string& label)
{
mList->setColumnLabel(column, label);
}
LLScrollListItem* LLComboBox::addElement(const LLSD& value, EAddPosition pos, void* userdata)
{
return mList->addElement(value, pos, userdata);
}
LLScrollListItem* LLComboBox::addSimpleElement(const std::string& value, EAddPosition pos, const LLSD& id)
{
return mList->addSimpleElement(value, pos, id);
}
void LLComboBox::clearRows()
{
mList->clearRows();
}
void LLComboBox::sortByColumn(const std::string& name, BOOL ascending)
{
mList->sortByColumn(name, ascending);
}
//============================================================================
//LLCtrlSelectionInterface functions
BOOL LLComboBox::setCurrentByID(const LLUUID& id)
{
BOOL found = mList->selectByID( id );
if (found)
{
setLabel(getSelectedItemLabel());
mLastSelectedIndex = mList->getFirstSelectedIndex();
}
return found;
}
LLUUID LLComboBox::getCurrentID() const
{
return mList->getStringUUIDSelectedItem();
}
BOOL LLComboBox::setSelectedByValue(const LLSD& value, BOOL selected)
{
BOOL found = mList->setSelectedByValue(value, selected);
if (found)
{
setLabel(getSelectedItemLabel());
}
return found;
}
LLSD LLComboBox::getSelectedValue()
{
return mList->getSelectedValue();
}
BOOL LLComboBox::isSelected(const LLSD& value) const
{
return mList->isSelected(value);
}
BOOL LLComboBox::operateOnSelection(EOperation op)
{
if (op == OP_DELETE)
{
mList->deleteSelectedItems();
return TRUE;
}
return FALSE;
}
BOOL LLComboBox::operateOnAll(EOperation op)
{
if (op == OP_DELETE)
{
clearRows();
return TRUE;
}
return FALSE;
}
BOOL LLComboBox::selectItemRange( S32 first, S32 last )
{
return mList->selectItemRange(first, last);
}
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