KF2-Server-Extension/ServerExt/Classes/KFGUI_List.uc
2023-05-14 05:49:12 +03:00

217 lines
4.5 KiB
Ucode

// List box with custom render code for the items.
Class KFGUI_List extends KFGUI_MultiComponent;
var() bool bDrawBackground;
var() protected int ListCount;
var() int ListItemsPerPage;
var() color BackgroundColor;
var KFGUI_ScrollBarV ScrollBar;
var transient float OldXSize,ItemHeight,MouseYHit;
var transient int FocusMouseItem,LastFocusItem;
var byte PressedDown[2];
var bool bPressedDown;
delegate OnDrawItem(Canvas C, int Index, float YOffset, float Height, float Width, bool bFocus);
// Requires bClickable=true to receive this event.
delegate OnClickedItem(int Index, bool bRight, int MouseX, int MouseY);
delegate OnDblClickedItem(int Index, bool bRight, int MouseX, int MouseY);
function InitMenu()
{
Super.InitMenu();
ScrollBar = KFGUI_ScrollBarV(FindComponentID('Scrollbar'));
UpdateListVis();
}
function DrawMenu()
{
local int i,n;
local float Y;
local bool bCheckMouse;
if (bDrawBackground)
{
Canvas.DrawColor = BackgroundColor;
Canvas.SetPos(0.f,0.f);
Owner.CurrentStyle.DrawWhiteBox(CompPos[2],CompPos[3]);
}
// Mouse focused item check.
bCheckMouse = bClickable && bFocused;
FocusMouseItem = -1;
if (bCheckMouse)
MouseYHit = Owner.MousePosition.Y - CompPos[1];
n = ScrollBar.CurrentScroll;
ItemHeight = CompPos[3] / ListItemsPerPage;
Y = 0;
for (i=0; i<ListItemsPerPage; ++i)
{
if (n>=ListCount)
break;
if (bCheckMouse && FocusMouseItem==-1)
{
if (MouseYHit<ItemHeight)
FocusMouseItem = n;
else MouseYHit-=ItemHeight;
}
OnDrawItem(Canvas,n,Y,ItemHeight,CompPos[2],(FocusMouseItem==n));
Y+=ItemHeight;
++n;
}
if (LastFocusItem!=FocusMouseItem)
{
if (LastFocusItem!=-1 && !bDisabled && bClickable)
PlayMenuSound(MN_DropdownChange);
LastFocusItem = FocusMouseItem;
}
}
function PreDraw()
{
local int i;
local byte j;
ComputeCoords();
// First draw scrollbar to allow it to resize itself.
for (j=0; j<4; ++j)
ScrollBar.InputPos[j] = CompPos[j];
if (OldXSize!=InputPos[2])
{
OldXSize = InputPos[2];
ScrollBar.XPosition = 1.f - ScrollBar.GetWidth();
}
ScrollBar.Canvas = Canvas;
ScrollBar.PreDraw();
// Then downscale our selves to give room for scrollbar.
CompPos[2] -= ScrollBar.CompPos[2];
Canvas.SetOrigin(CompPos[0],CompPos[1]);
Canvas.SetClip(CompPos[0]+CompPos[2],CompPos[1]+CompPos[3]);
DrawMenu();
CompPos[2] += ScrollBar.CompPos[2];
// Then draw rest of components.
for (i=0; i<Components.Length; ++i)
{
if (Components[i]!=ScrollBar)
{
Components[i].Canvas = Canvas;
for (j=0; j<4; ++j)
Components[i].InputPos[j] = CompPos[j];
Components[i].PreDraw();
}
}
}
function UpdateListVis()
{
if (ListCount<=ListItemsPerPage)
{
ScrollBar.UpdateScrollSize(0,1,1,1);
ScrollBar.SetDisabled(true);
}
else
{
ScrollBar.UpdateScrollSize(ScrollBar.CurrentScroll,(ListCount-ListItemsPerPage),1,ListItemsPerPage);
ScrollBar.SetDisabled(false);
}
}
function ChangeListSize(int NewSize)
{
if (ListCount==NewSize)
return;
ListCount = NewSize;
UpdateListVis();
}
final function int GetListSize()
{
return ListCount;
}
function DoubleMouseClick(bool bRight)
{
if (!bDisabled && bClickable)
{
PlayMenuSound(MN_ClickButton);
PressedDown[byte(bRight)] = 0;
bPressedDown = (PressedDown[0]!=0 || PressedDown[1]!=0);
OnDblClickedItem(FocusMouseItem,bRight,Owner.MousePosition.X-CompPos[0],MouseYHit);
}
}
function MouseClick(bool bRight)
{
if (!bDisabled && bClickable)
{
PressedDown[byte(bRight)] = 1;
bPressedDown = true;
}
}
function MouseRelease(bool bRight)
{
if (!bDisabled && bClickable && PressedDown[byte(bRight)]==1)
{
PlayMenuSound(MN_ClickButton);
PressedDown[byte(bRight)] = 0;
bPressedDown = (PressedDown[0]!=0 || PressedDown[1]!=0);
OnClickedItem(FocusMouseItem,bRight,Owner.MousePosition.X-CompPos[0],MouseYHit);
}
}
function MouseLeave()
{
Super.MouseLeave();
if (!bDisabled && bClickable)
PlayMenuSound(MN_LostFocus);
PressedDown[0] = 0;
PressedDown[1] = 0;
bPressedDown = false;
}
function MouseEnter()
{
Super.MouseEnter();
LastFocusItem = -1;
if (!bDisabled && bClickable)
PlayMenuSound(MN_Focus);
}
function ScrollMouseWheel(bool bUp)
{
if (!ScrollBar.bDisabled)
ScrollBar.ScrollMouseWheel(bUp);
}
function NotifyMousePaused()
{
if (Owner.InputFocus==None && FocusMouseItem>=0)
OnMouseRest(FocusMouseItem);
}
Delegate OnMouseRest(int Item);
defaultproperties
{
ListItemsPerPage=10
ListCount=1
BackgroundColor=(R=32,G=3,B=2,A=255)
bDrawBackground=true
Begin Object Class=KFGUI_ScrollBarV Name=ListScroller
XPosition=0.96
YPosition=0
XSize=0.04
YSize=1
ID="Scrollbar"
End Object
Components.Add(ListScroller)
}