mirror of
https://github.com/minetest/irrlicht.git
synced 2024-09-07 05:10:19 +02:00
Feature wish by chronologicaldot (http://irrlicht.sourceforge.net/forum/viewtopic.php?f=2&t=52719) git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6218 dfc29bdd-3216-0410-991c-e03cc46cb475
931 lines
22 KiB
C++
931 lines
22 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
|
|
|
#include "CGUIListBox.h"
|
|
#ifdef _IRR_COMPILE_WITH_GUI_
|
|
|
|
#include "CGUIListBox.h"
|
|
#include "IGUISkin.h"
|
|
#include "IGUIEnvironment.h"
|
|
#include "IVideoDriver.h"
|
|
#include "IGUIFont.h"
|
|
#include "IGUISpriteBank.h"
|
|
#include "CGUIScrollBar.h"
|
|
#include "os.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace gui
|
|
{
|
|
|
|
//! constructor
|
|
CGUIListBox::CGUIListBox(IGUIEnvironment* environment, IGUIElement* parent,
|
|
s32 id, core::rect<s32> rectangle, bool clip,
|
|
bool drawBack, bool moveOverSelect)
|
|
: IGUIListBox(environment, parent, id, rectangle), Selected(-1),
|
|
ItemHeight(0),ItemHeightOverride(0),
|
|
TotalItemHeight(0), ItemsIconWidth(0), Font(0), IconBank(0),
|
|
ScrollBar(0), selectTime(0), LastKeyTime(0), Selecting(false), DrawBack(drawBack),
|
|
MoveOverSelect(moveOverSelect), AutoScroll(true), HighlightWhenNotFocused(true)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("CGUIListBox");
|
|
#endif
|
|
|
|
IGUISkin* skin = Environment->getSkin();
|
|
|
|
ScrollBar = new CGUIScrollBar(false, Environment, this, -1,
|
|
core::recti(0, 0, 1, 1),
|
|
!clip);
|
|
ScrollBar->setSubElement(true);
|
|
ScrollBar->setTabStop(false);
|
|
ScrollBar->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
|
|
ScrollBar->setVisible(false);
|
|
ScrollBar->setPos(0);
|
|
|
|
updateScrollBarSize(skin->getSize(EGDS_SCROLLBAR_SIZE));
|
|
|
|
setNotClipped(!clip);
|
|
|
|
// this element can be tabbed to
|
|
setTabStop(true);
|
|
setTabOrder(-1);
|
|
|
|
updateAbsolutePosition();
|
|
}
|
|
|
|
|
|
//! destructor
|
|
CGUIListBox::~CGUIListBox()
|
|
{
|
|
if (ScrollBar)
|
|
ScrollBar->drop();
|
|
|
|
if (Font)
|
|
Font->drop();
|
|
|
|
if (IconBank)
|
|
IconBank->drop();
|
|
}
|
|
|
|
|
|
//! returns amount of list items
|
|
u32 CGUIListBox::getItemCount() const
|
|
{
|
|
return Items.size();
|
|
}
|
|
|
|
|
|
//! returns string of a list item. the may be a value from 0 to itemCount-1
|
|
const wchar_t* CGUIListBox::getListItem(u32 id) const
|
|
{
|
|
if (id>=Items.size())
|
|
return 0;
|
|
|
|
return Items[id].Text.c_str();
|
|
}
|
|
|
|
|
|
//! Returns the icon of an item
|
|
s32 CGUIListBox::getIcon(u32 id) const
|
|
{
|
|
if (id>=Items.size())
|
|
return -1;
|
|
|
|
return Items[id].Icon;
|
|
}
|
|
|
|
|
|
//! adds a list item, returns id of item
|
|
u32 CGUIListBox::addItem(const wchar_t* text)
|
|
{
|
|
return addItem(text, -1);
|
|
}
|
|
|
|
|
|
//! adds a list item, returns id of item
|
|
void CGUIListBox::removeItem(u32 id)
|
|
{
|
|
if (id >= Items.size())
|
|
return;
|
|
|
|
if ((u32)Selected==id)
|
|
{
|
|
Selected = -1;
|
|
}
|
|
else if ((u32)Selected > id)
|
|
{
|
|
Selected -= 1;
|
|
selectTime = os::Timer::getTime();
|
|
}
|
|
|
|
Items.erase(id);
|
|
|
|
recalculateItemHeight();
|
|
}
|
|
|
|
|
|
s32 CGUIListBox::getItemAt(s32 xpos, s32 ypos) const
|
|
{
|
|
if ( xpos < AbsoluteRect.UpperLeftCorner.X || xpos >= AbsoluteRect.LowerRightCorner.X
|
|
|| ypos < AbsoluteRect.UpperLeftCorner.Y || ypos >= AbsoluteRect.LowerRightCorner.Y
|
|
)
|
|
return -1;
|
|
|
|
if ( ItemHeight == 0 )
|
|
return -1;
|
|
|
|
s32 item = ((ypos - AbsoluteRect.UpperLeftCorner.Y - 1) + ScrollBar->getPos()) / ItemHeight;
|
|
if ( item < 0 || item >= (s32)Items.size())
|
|
return -1;
|
|
|
|
return item;
|
|
}
|
|
|
|
//! clears the list
|
|
void CGUIListBox::clear()
|
|
{
|
|
Items.clear();
|
|
ItemsIconWidth = 0;
|
|
Selected = -1;
|
|
|
|
ScrollBar->setPos(0);
|
|
|
|
recalculateItemHeight();
|
|
}
|
|
|
|
|
|
void CGUIListBox::recalculateItemHeight()
|
|
{
|
|
IGUISkin* skin = Environment->getSkin();
|
|
|
|
if (Font != skin->getFont())
|
|
{
|
|
if (Font)
|
|
Font->drop();
|
|
|
|
Font = skin->getFont();
|
|
if ( 0 == ItemHeightOverride )
|
|
ItemHeight = 0;
|
|
|
|
if (Font)
|
|
{
|
|
if ( 0 == ItemHeightOverride )
|
|
ItemHeight = Font->getDimension(L"A").Height + 4;
|
|
|
|
Font->grab();
|
|
}
|
|
}
|
|
|
|
TotalItemHeight = ItemHeight * Items.size();
|
|
ScrollBar->setMax( core::max_(0, TotalItemHeight - AbsoluteRect.getHeight()) );
|
|
s32 minItemHeight = ItemHeight > 0 ? ItemHeight : 1;
|
|
ScrollBar->setSmallStep ( minItemHeight );
|
|
ScrollBar->setLargeStep ( 2*minItemHeight );
|
|
|
|
if ( TotalItemHeight <= AbsoluteRect.getHeight() )
|
|
ScrollBar->setVisible(false);
|
|
else
|
|
ScrollBar->setVisible(true);
|
|
}
|
|
|
|
//! returns id of selected item. returns -1 if no item is selected.
|
|
s32 CGUIListBox::getSelected() const
|
|
{
|
|
return Selected;
|
|
}
|
|
|
|
|
|
//! sets the selected item. Set this to -1 if no item should be selected
|
|
void CGUIListBox::setSelected(s32 id)
|
|
{
|
|
if ((u32)id>=Items.size())
|
|
Selected = -1;
|
|
else
|
|
Selected = id;
|
|
|
|
selectTime = os::Timer::getTime();
|
|
|
|
recalculateScrollPos();
|
|
}
|
|
|
|
//! sets the selected item. Set this to -1 if no item should be selected
|
|
void CGUIListBox::setSelected(const wchar_t *item)
|
|
{
|
|
s32 index = -1;
|
|
|
|
if ( item )
|
|
{
|
|
for ( index = 0; index < (s32) Items.size(); ++index )
|
|
{
|
|
if ( Items[index].Text == item )
|
|
break;
|
|
}
|
|
}
|
|
setSelected ( index );
|
|
}
|
|
|
|
//! called if an event happened.
|
|
bool CGUIListBox::OnEvent(const SEvent& event)
|
|
{
|
|
if (isEnabled())
|
|
{
|
|
switch(event.EventType)
|
|
{
|
|
case EET_KEY_INPUT_EVENT:
|
|
if (event.KeyInput.PressedDown &&
|
|
(event.KeyInput.Key == KEY_DOWN ||
|
|
event.KeyInput.Key == KEY_UP ||
|
|
event.KeyInput.Key == KEY_HOME ||
|
|
event.KeyInput.Key == KEY_END ||
|
|
event.KeyInput.Key == KEY_NEXT ||
|
|
event.KeyInput.Key == KEY_PRIOR ) )
|
|
{
|
|
s32 oldSelected = Selected;
|
|
switch (event.KeyInput.Key)
|
|
{
|
|
case KEY_DOWN:
|
|
Selected += 1;
|
|
break;
|
|
case KEY_UP:
|
|
Selected -= 1;
|
|
break;
|
|
case KEY_HOME:
|
|
Selected = 0;
|
|
break;
|
|
case KEY_END:
|
|
Selected = (s32)Items.size()-1;
|
|
break;
|
|
case KEY_NEXT:
|
|
Selected += AbsoluteRect.getHeight() / ItemHeight;
|
|
break;
|
|
case KEY_PRIOR:
|
|
Selected -= AbsoluteRect.getHeight() / ItemHeight;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (Selected<0)
|
|
Selected = 0;
|
|
if (Selected >= (s32)Items.size())
|
|
Selected = Items.size() - 1; // will set Selected to -1 for empty listboxes which is correct
|
|
|
|
|
|
recalculateScrollPos();
|
|
|
|
// post the news
|
|
|
|
if (oldSelected != Selected && Parent && !Selecting && !MoveOverSelect)
|
|
{
|
|
SEvent e;
|
|
e.EventType = EET_GUI_EVENT;
|
|
e.GUIEvent.Caller = this;
|
|
e.GUIEvent.Element = 0;
|
|
e.GUIEvent.EventType = EGET_LISTBOX_CHANGED;
|
|
Parent->OnEvent(e);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
if (!event.KeyInput.PressedDown && ( event.KeyInput.Key == KEY_RETURN || event.KeyInput.Key == KEY_SPACE ) )
|
|
{
|
|
if (Parent)
|
|
{
|
|
SEvent e;
|
|
e.EventType = EET_GUI_EVENT;
|
|
e.GUIEvent.Caller = this;
|
|
e.GUIEvent.Element = 0;
|
|
e.GUIEvent.EventType = EGET_LISTBOX_SELECTED_AGAIN;
|
|
Parent->OnEvent(e);
|
|
}
|
|
return true;
|
|
}
|
|
else if (event.KeyInput.Key == KEY_TAB )
|
|
{
|
|
return false;
|
|
}
|
|
else if (event.KeyInput.PressedDown && event.KeyInput.Char)
|
|
{
|
|
// change selection based on text as it is typed.
|
|
u32 now = os::Timer::getTime();
|
|
|
|
if (now - LastKeyTime < 500)
|
|
{
|
|
// add to key buffer if it isn't a key repeat
|
|
if (!(KeyBuffer.size() == 1 && KeyBuffer[0] == event.KeyInput.Char))
|
|
{
|
|
KeyBuffer += L" ";
|
|
KeyBuffer[KeyBuffer.size()-1] = event.KeyInput.Char;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
KeyBuffer = L" ";
|
|
KeyBuffer[0] = event.KeyInput.Char;
|
|
}
|
|
LastKeyTime = now;
|
|
|
|
// find the selected item, starting at the current selection
|
|
s32 start = Selected;
|
|
// dont change selection if the key buffer matches the current item
|
|
if (Selected > -1 && KeyBuffer.size() > 1)
|
|
{
|
|
if (Items[Selected].Text.size() >= KeyBuffer.size() &&
|
|
KeyBuffer.equals_ignore_case(Items[Selected].Text.subString(0,KeyBuffer.size())))
|
|
return true;
|
|
}
|
|
|
|
s32 current;
|
|
for (current = start+1; current < (s32)Items.size(); ++current)
|
|
{
|
|
if (Items[current].Text.size() >= KeyBuffer.size())
|
|
{
|
|
if (KeyBuffer.equals_ignore_case(Items[current].Text.subString(0,KeyBuffer.size())))
|
|
{
|
|
if (Parent && Selected != current && !Selecting && !MoveOverSelect)
|
|
{
|
|
SEvent e;
|
|
e.EventType = EET_GUI_EVENT;
|
|
e.GUIEvent.Caller = this;
|
|
e.GUIEvent.Element = 0;
|
|
e.GUIEvent.EventType = EGET_LISTBOX_CHANGED;
|
|
Parent->OnEvent(e);
|
|
}
|
|
setSelected(current);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
for (current = 0; current <= start; ++current)
|
|
{
|
|
if (Items[current].Text.size() >= KeyBuffer.size())
|
|
{
|
|
if (KeyBuffer.equals_ignore_case(Items[current].Text.subString(0,KeyBuffer.size())))
|
|
{
|
|
if (Parent && Selected != current && !Selecting && !MoveOverSelect)
|
|
{
|
|
Selected = current;
|
|
SEvent e;
|
|
e.EventType = EET_GUI_EVENT;
|
|
e.GUIEvent.Caller = this;
|
|
e.GUIEvent.Element = 0;
|
|
e.GUIEvent.EventType = EGET_LISTBOX_CHANGED;
|
|
Parent->OnEvent(e);
|
|
}
|
|
setSelected(current);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
break;
|
|
|
|
case EET_GUI_EVENT:
|
|
switch(event.GUIEvent.EventType)
|
|
{
|
|
case gui::EGET_SCROLL_BAR_CHANGED:
|
|
if (event.GUIEvent.Caller == ScrollBar)
|
|
return true;
|
|
break;
|
|
case gui::EGET_ELEMENT_FOCUS_LOST:
|
|
{
|
|
if (event.GUIEvent.Caller == this)
|
|
Selecting = false;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case EET_MOUSE_INPUT_EVENT:
|
|
{
|
|
core::position2d<s32> p(event.MouseInput.X, event.MouseInput.Y);
|
|
|
|
switch(event.MouseInput.Event)
|
|
{
|
|
case EMIE_MOUSE_WHEEL:
|
|
ScrollBar->setPos(ScrollBar->getPos() + (event.MouseInput.Wheel < 0 ? -1 : 1)*-ItemHeight/2);
|
|
return true;
|
|
|
|
case EMIE_LMOUSE_PRESSED_DOWN:
|
|
{
|
|
Selecting = true;
|
|
return true;
|
|
}
|
|
|
|
case EMIE_LMOUSE_LEFT_UP:
|
|
{
|
|
Selecting = false;
|
|
|
|
if (isPointInside(p))
|
|
selectNew(event.MouseInput.Y);
|
|
|
|
return true;
|
|
}
|
|
|
|
case EMIE_MOUSE_MOVED:
|
|
if (Selecting || MoveOverSelect)
|
|
{
|
|
if (isPointInside(p))
|
|
{
|
|
selectNew(event.MouseInput.Y, true);
|
|
return true;
|
|
}
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case EET_TOUCH_INPUT_EVENT:
|
|
case EET_LOG_TEXT_EVENT:
|
|
case EET_USER_EVENT:
|
|
case EET_JOYSTICK_INPUT_EVENT:
|
|
case EGUIET_FORCE_32_BIT:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return IGUIElement::OnEvent(event);
|
|
}
|
|
|
|
|
|
void CGUIListBox::selectNew(s32 ypos, bool onlyHover)
|
|
{
|
|
u32 now = os::Timer::getTime();
|
|
s32 oldSelected = Selected;
|
|
|
|
Selected = getItemAt(AbsoluteRect.UpperLeftCorner.X, ypos);
|
|
if (Selected<0 && !Items.empty())
|
|
Selected = 0;
|
|
|
|
recalculateScrollPos();
|
|
|
|
gui::EGUI_EVENT_TYPE eventType = (Selected == oldSelected && now < selectTime + 500) ? EGET_LISTBOX_SELECTED_AGAIN : EGET_LISTBOX_CHANGED;
|
|
selectTime = now;
|
|
// post the news
|
|
if (Parent && !onlyHover)
|
|
{
|
|
SEvent event;
|
|
event.EventType = EET_GUI_EVENT;
|
|
event.GUIEvent.Caller = this;
|
|
event.GUIEvent.Element = 0;
|
|
event.GUIEvent.EventType = eventType;
|
|
Parent->OnEvent(event);
|
|
}
|
|
}
|
|
|
|
|
|
//! Update the position and size of the listbox, and update the scrollbar
|
|
void CGUIListBox::updateAbsolutePosition()
|
|
{
|
|
IGUIElement::updateAbsolutePosition();
|
|
|
|
recalculateItemHeight();
|
|
}
|
|
|
|
|
|
//! draws the element and its children
|
|
void CGUIListBox::draw()
|
|
{
|
|
if (!IsVisible)
|
|
return;
|
|
|
|
recalculateItemHeight(); // if the font changed
|
|
|
|
IGUISkin* skin = Environment->getSkin();
|
|
updateScrollBarSize(skin->getSize(EGDS_SCROLLBAR_SIZE));
|
|
|
|
core::rect<s32>* clipRect = 0;
|
|
|
|
// draw background
|
|
core::rect<s32> frameRect(AbsoluteRect);
|
|
|
|
// draw items
|
|
|
|
core::rect<s32> clientClip(AbsoluteRect);
|
|
clientClip.UpperLeftCorner.Y += 1;
|
|
clientClip.UpperLeftCorner.X += 1;
|
|
if (ScrollBar->isVisible())
|
|
clientClip.LowerRightCorner.X -= ScrollBar->getRelativePosition().getWidth();
|
|
clientClip.LowerRightCorner.Y -= 1;
|
|
clientClip.clipAgainst(AbsoluteClippingRect);
|
|
|
|
skin->draw3DSunkenPane(this, skin->getColor(EGDC_3D_HIGH_LIGHT), true,
|
|
DrawBack, frameRect, &AbsoluteClippingRect);
|
|
|
|
if (clipRect)
|
|
clientClip.clipAgainst(*clipRect);
|
|
|
|
frameRect = AbsoluteRect;
|
|
frameRect.UpperLeftCorner.X += 1;
|
|
if (ScrollBar->isVisible())
|
|
frameRect.LowerRightCorner.X -= ScrollBar->getRelativePosition().getWidth();
|
|
|
|
frameRect.LowerRightCorner.Y = AbsoluteRect.UpperLeftCorner.Y + ItemHeight;
|
|
|
|
frameRect.UpperLeftCorner.Y -= ScrollBar->getPos();
|
|
frameRect.LowerRightCorner.Y -= ScrollBar->getPos();
|
|
|
|
bool hl = (HighlightWhenNotFocused || Environment->hasFocus(this) || Environment->hasFocus(ScrollBar));
|
|
|
|
for (s32 i=0; i<(s32)Items.size(); ++i)
|
|
{
|
|
if (frameRect.LowerRightCorner.Y >= AbsoluteRect.UpperLeftCorner.Y &&
|
|
frameRect.UpperLeftCorner.Y <= AbsoluteRect.LowerRightCorner.Y)
|
|
{
|
|
if (i == Selected && hl)
|
|
skin->draw2DRectangle(this, skin->getColor(EGDC_HIGH_LIGHT), frameRect, &clientClip);
|
|
|
|
core::rect<s32> textRect = frameRect;
|
|
textRect.UpperLeftCorner.X += 3;
|
|
|
|
if (Font)
|
|
{
|
|
if (IconBank && (Items[i].Icon > -1))
|
|
{
|
|
core::position2di iconPos = textRect.UpperLeftCorner;
|
|
iconPos.Y += textRect.getHeight() / 2;
|
|
iconPos.X += ItemsIconWidth/2;
|
|
|
|
if ( i==Selected && hl )
|
|
{
|
|
IconBank->draw2DSprite( (u32)Items[i].Icon, iconPos, &clientClip,
|
|
hasItemOverrideColor(i, EGUI_LBC_ICON_HIGHLIGHT) ?
|
|
getItemOverrideColor(i, EGUI_LBC_ICON_HIGHLIGHT) : getItemDefaultColor(EGUI_LBC_ICON_HIGHLIGHT),
|
|
selectTime, os::Timer::getTime(), false, true);
|
|
}
|
|
else
|
|
{
|
|
IconBank->draw2DSprite( (u32)Items[i].Icon, iconPos, &clientClip,
|
|
hasItemOverrideColor(i, EGUI_LBC_ICON) ? getItemOverrideColor(i, EGUI_LBC_ICON) : getItemDefaultColor(EGUI_LBC_ICON),
|
|
0 , (i==Selected) ? os::Timer::getTime() : 0, false, true);
|
|
}
|
|
}
|
|
|
|
textRect.UpperLeftCorner.X += ItemsIconWidth+3;
|
|
|
|
if ( i==Selected && hl )
|
|
{
|
|
Font->draw(Items[i].Text.c_str(), textRect,
|
|
hasItemOverrideColor(i, EGUI_LBC_TEXT_HIGHLIGHT) ?
|
|
getItemOverrideColor(i, EGUI_LBC_TEXT_HIGHLIGHT) : getItemDefaultColor(EGUI_LBC_TEXT_HIGHLIGHT),
|
|
false, true, &clientClip);
|
|
}
|
|
else
|
|
{
|
|
Font->draw(Items[i].Text.c_str(), textRect,
|
|
hasItemOverrideColor(i, EGUI_LBC_TEXT) ? getItemOverrideColor(i, EGUI_LBC_TEXT) : getItemDefaultColor(EGUI_LBC_TEXT),
|
|
false, true, &clientClip);
|
|
}
|
|
|
|
textRect.UpperLeftCorner.X -= ItemsIconWidth+3;
|
|
}
|
|
}
|
|
|
|
frameRect.UpperLeftCorner.Y += ItemHeight;
|
|
frameRect.LowerRightCorner.Y += ItemHeight;
|
|
}
|
|
|
|
IGUIElement::draw();
|
|
}
|
|
|
|
|
|
//! adds an list item with an icon
|
|
u32 CGUIListBox::addItem(const wchar_t* text, s32 icon)
|
|
{
|
|
ListItem i;
|
|
i.Text = text;
|
|
i.Icon = icon;
|
|
|
|
Items.push_back(i);
|
|
recalculateItemHeight();
|
|
recalculateItemWidth(icon);
|
|
|
|
return Items.size() - 1;
|
|
}
|
|
|
|
|
|
void CGUIListBox::setSpriteBank(IGUISpriteBank* bank)
|
|
{
|
|
if ( bank == IconBank )
|
|
return;
|
|
if (IconBank)
|
|
IconBank->drop();
|
|
|
|
IconBank = bank;
|
|
if (IconBank)
|
|
IconBank->grab();
|
|
}
|
|
|
|
|
|
void CGUIListBox::recalculateScrollPos()
|
|
{
|
|
if (!AutoScroll)
|
|
return;
|
|
|
|
const s32 selPos = (Selected == -1 ? TotalItemHeight : Selected * ItemHeight) - ScrollBar->getPos();
|
|
|
|
if (selPos < 0)
|
|
{
|
|
ScrollBar->setPos(ScrollBar->getPos() + selPos);
|
|
}
|
|
else
|
|
if (selPos > AbsoluteRect.getHeight() - ItemHeight)
|
|
{
|
|
ScrollBar->setPos(ScrollBar->getPos() + selPos - AbsoluteRect.getHeight() + ItemHeight);
|
|
}
|
|
}
|
|
|
|
void CGUIListBox::updateScrollBarSize(s32 size)
|
|
{
|
|
if ( size != ScrollBar->getRelativePosition().getWidth() )
|
|
{
|
|
core::recti r(RelativeRect.getWidth() - size, 0, RelativeRect.getWidth(), RelativeRect.getHeight());
|
|
ScrollBar->setRelativePosition(r);
|
|
}
|
|
}
|
|
|
|
void CGUIListBox::setAutoScrollEnabled(bool scroll)
|
|
{
|
|
AutoScroll = scroll;
|
|
}
|
|
|
|
|
|
bool CGUIListBox::isAutoScrollEnabled() const
|
|
{
|
|
return AutoScroll;
|
|
}
|
|
|
|
|
|
bool CGUIListBox::getSerializationLabels(EGUI_LISTBOX_COLOR colorType, core::stringc & useColorLabel, core::stringc & colorLabel) const
|
|
{
|
|
switch ( colorType )
|
|
{
|
|
case EGUI_LBC_TEXT:
|
|
useColorLabel = "UseColText";
|
|
colorLabel = "ColText";
|
|
break;
|
|
case EGUI_LBC_TEXT_HIGHLIGHT:
|
|
useColorLabel = "UseColTextHl";
|
|
colorLabel = "ColTextHl";
|
|
break;
|
|
case EGUI_LBC_ICON:
|
|
useColorLabel = "UseColIcon";
|
|
colorLabel = "ColIcon";
|
|
break;
|
|
case EGUI_LBC_ICON_HIGHLIGHT:
|
|
useColorLabel = "UseColIconHl";
|
|
colorLabel = "ColIconHl";
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
//! Writes attributes of the element.
|
|
void CGUIListBox::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
|
|
{
|
|
IGUIListBox::serializeAttributes(out,options);
|
|
|
|
// todo: out->addString ("IconBank", IconBank->getName?);
|
|
out->addBool ("DrawBack", DrawBack);
|
|
out->addBool ("MoveOverSelect", MoveOverSelect);
|
|
out->addBool ("AutoScroll", AutoScroll);
|
|
|
|
out->addInt("ItemCount", Items.size());
|
|
for (u32 i=0;i<Items.size(); ++i)
|
|
{
|
|
core::stringc label("text");
|
|
label += i;
|
|
out->addString(label.c_str(), Items[i].Text.c_str() );
|
|
|
|
for ( s32 c=0; c < (s32)EGUI_LBC_COUNT; ++c )
|
|
{
|
|
core::stringc useColorLabel, colorLabel;
|
|
if ( !getSerializationLabels((EGUI_LISTBOX_COLOR)c, useColorLabel, colorLabel) )
|
|
return;
|
|
label = useColorLabel; label += i;
|
|
if ( Items[i].OverrideColors[c].Use )
|
|
{
|
|
out->addBool(label.c_str(), true );
|
|
label = colorLabel; label += i;
|
|
out->addColor(label.c_str(), Items[i].OverrideColors[c].Color);
|
|
}
|
|
else
|
|
{
|
|
out->addBool(label.c_str(), false );
|
|
}
|
|
}
|
|
}
|
|
out->addInt("Selected", Selected);
|
|
}
|
|
|
|
|
|
//! Reads attributes of the element
|
|
void CGUIListBox::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
|
|
{
|
|
clear();
|
|
|
|
DrawBack = in->getAttributeAsBool("DrawBack", DrawBack);
|
|
MoveOverSelect = in->getAttributeAsBool("MoveOverSelect", MoveOverSelect);
|
|
AutoScroll = in->getAttributeAsBool("AutoScroll", AutoScroll);
|
|
|
|
IGUIListBox::deserializeAttributes(in,options);
|
|
|
|
const s32 count = in->getAttributeAsInt("ItemCount");
|
|
for (s32 i=0; i<count; ++i)
|
|
{
|
|
core::stringc label("text");
|
|
ListItem item;
|
|
|
|
label += i;
|
|
item.Text = in->getAttributeAsStringW(label.c_str());
|
|
|
|
addItem(item.Text.c_str(), item.Icon);
|
|
|
|
for ( u32 c=0; c < EGUI_LBC_COUNT; ++c )
|
|
{
|
|
core::stringc useColorLabel, colorLabel;
|
|
if ( !getSerializationLabels((EGUI_LISTBOX_COLOR)c, useColorLabel, colorLabel) )
|
|
return;
|
|
label = useColorLabel; label += i;
|
|
Items[i].OverrideColors[c].Use = in->getAttributeAsBool(label.c_str());
|
|
if ( Items[i].OverrideColors[c].Use )
|
|
{
|
|
label = colorLabel; label += i;
|
|
Items[i].OverrideColors[c].Color = in->getAttributeAsColor(label.c_str());
|
|
}
|
|
}
|
|
}
|
|
Selected = in->getAttributeAsInt("Selected", Selected);
|
|
recalculateScrollPos();
|
|
}
|
|
|
|
|
|
void CGUIListBox::recalculateItemWidth(s32 icon)
|
|
{
|
|
if (IconBank && icon > -1 &&
|
|
IconBank->getSprites().size() > (u32)icon &&
|
|
IconBank->getSprites()[(u32)icon].Frames.size())
|
|
{
|
|
u32 rno = IconBank->getSprites()[(u32)icon].Frames[0].rectNumber;
|
|
if (IconBank->getPositions().size() > rno)
|
|
{
|
|
const s32 w = IconBank->getPositions()[rno].getWidth();
|
|
if (w > ItemsIconWidth)
|
|
ItemsIconWidth = w;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void CGUIListBox::setItem(u32 index, const wchar_t* text, s32 icon)
|
|
{
|
|
if ( index >= Items.size() )
|
|
return;
|
|
|
|
Items[index].Text = text;
|
|
Items[index].Icon = icon;
|
|
|
|
recalculateItemHeight();
|
|
recalculateItemWidth(icon);
|
|
}
|
|
|
|
|
|
//! Insert the item at the given index
|
|
//! Return the index on success or -1 on failure.
|
|
s32 CGUIListBox::insertItem(u32 index, const wchar_t* text, s32 icon)
|
|
{
|
|
ListItem i;
|
|
i.Text = text;
|
|
i.Icon = icon;
|
|
|
|
Items.insert(i, index);
|
|
recalculateItemHeight();
|
|
recalculateItemWidth(icon);
|
|
|
|
return index;
|
|
}
|
|
|
|
|
|
void CGUIListBox::swapItems(u32 index1, u32 index2)
|
|
{
|
|
if ( index1 >= Items.size() || index2 >= Items.size() )
|
|
return;
|
|
|
|
ListItem dummmy = Items[index1];
|
|
Items[index1] = Items[index2];
|
|
Items[index2] = dummmy;
|
|
}
|
|
|
|
|
|
void CGUIListBox::setItemOverrideColor(u32 index, video::SColor color)
|
|
{
|
|
for ( u32 c=0; c < EGUI_LBC_COUNT; ++c )
|
|
{
|
|
Items[index].OverrideColors[c].Use = true;
|
|
Items[index].OverrideColors[c].Color = color;
|
|
}
|
|
}
|
|
|
|
|
|
void CGUIListBox::setItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType, video::SColor color)
|
|
{
|
|
if ( index >= Items.size() || colorType < 0 || colorType >= EGUI_LBC_COUNT )
|
|
return;
|
|
|
|
Items[index].OverrideColors[colorType].Use = true;
|
|
Items[index].OverrideColors[colorType].Color = color;
|
|
}
|
|
|
|
|
|
void CGUIListBox::clearItemOverrideColor(u32 index)
|
|
{
|
|
for (u32 c=0; c < (u32)EGUI_LBC_COUNT; ++c )
|
|
{
|
|
Items[index].OverrideColors[c].Use = false;
|
|
}
|
|
}
|
|
|
|
|
|
void CGUIListBox::clearItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType)
|
|
{
|
|
if ( index >= Items.size() || colorType < 0 || colorType >= EGUI_LBC_COUNT )
|
|
return;
|
|
|
|
Items[index].OverrideColors[colorType].Use = false;
|
|
}
|
|
|
|
|
|
bool CGUIListBox::hasItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType) const
|
|
{
|
|
if ( index >= Items.size() || colorType < 0 || colorType >= EGUI_LBC_COUNT )
|
|
return false;
|
|
|
|
return Items[index].OverrideColors[colorType].Use;
|
|
}
|
|
|
|
|
|
video::SColor CGUIListBox::getItemOverrideColor(u32 index, EGUI_LISTBOX_COLOR colorType) const
|
|
{
|
|
if ( (u32)index >= Items.size() || colorType < 0 || colorType >= EGUI_LBC_COUNT )
|
|
return video::SColor();
|
|
|
|
return Items[index].OverrideColors[colorType].Color;
|
|
}
|
|
|
|
|
|
video::SColor CGUIListBox::getItemDefaultColor(EGUI_LISTBOX_COLOR colorType) const
|
|
{
|
|
IGUISkin* skin = Environment->getSkin();
|
|
if ( !skin )
|
|
return video::SColor();
|
|
|
|
switch ( colorType )
|
|
{
|
|
case EGUI_LBC_TEXT:
|
|
return skin->getColor(EGDC_BUTTON_TEXT);
|
|
case EGUI_LBC_TEXT_HIGHLIGHT:
|
|
return skin->getColor(EGDC_HIGH_LIGHT_TEXT);
|
|
case EGUI_LBC_ICON:
|
|
return skin->getColor(EGDC_ICON);
|
|
case EGUI_LBC_ICON_HIGHLIGHT:
|
|
return skin->getColor(EGDC_ICON_HIGH_LIGHT);
|
|
default:
|
|
return video::SColor();
|
|
}
|
|
}
|
|
|
|
//! set global itemHeight
|
|
void CGUIListBox::setItemHeight( s32 height )
|
|
{
|
|
ItemHeight = height;
|
|
ItemHeightOverride = 1;
|
|
}
|
|
|
|
|
|
//! Sets whether to draw the background
|
|
void CGUIListBox::setDrawBackground(bool draw)
|
|
{
|
|
DrawBack = draw;
|
|
}
|
|
|
|
//! Access the vertical scrollbar
|
|
IGUIScrollBar* CGUIListBox::getVerticalScrollBar() const
|
|
{
|
|
return ScrollBar;
|
|
}
|
|
|
|
} // end namespace gui
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_GUI_
|
|
|