cheat-engine/Cheat Engine/windows7taskbar.pas

122 lines
3.5 KiB
ObjectPascal
Executable file

unit windows7taskbar;
{$MODE Delphi}
{$WARN 5044 off : Symbol "$1" is not portable} //Windows 7 taskbar, says enough
interface
{$IFDEF windows}
//credits to http://alex.ciobanu.org/?p=215
uses Forms,win32int, win32proc;
type
TTaskBarProgressState = (tbpsNone, tbpsIndeterminate, tbpsNormal, tbpsError, tbpsPaused);
procedure SetProgressState(const AState: TTaskBarProgressState);
procedure SetProgressValue(const ACurrent, AMax: UInt64);
{$ENDIF}
implementation
{$IFDEF windows}
uses
ComObj, Types, cefuncproc;
const
TASKBAR_CID: TGUID = '{56FDF344-FD6D-11d0-958A-006097C9A090}';
const
TBPF_NOPROGRESS = 0;
TBPF_INDETERMINATE = 1;
TBPF_NORMAL = 2;
TBPF_ERROR = 4;
TBPF_PAUSED = 8;
type
{ Definition for Windows 7 ITaskBarList3 }
ITaskBarList3 = interface(IUnknown)
['{EA1AFB91-9E28-4B86-90E9-9E9F8A5EEFAF}']
procedure HrInit(); stdcall;
procedure AddTab(hwnd: THandle); stdcall;
procedure DeleteTab(hwnd: THandle); stdcall;
procedure ActivateTab(hwnd: THandle); stdcall;
procedure SetActiveAlt(hwnd: THandle); stdcall;
procedure MarkFullscreenWindow(hwnd: THandle; fFullscreen: Boolean); stdcall;
procedure SetProgressValue(hwnd: THandle; ullCompleted: UInt64; ullTotal: UInt64); stdcall;
procedure SetProgressState(hwnd: THandle; tbpFlags: Cardinal); stdcall;
procedure RegisterTab(hwnd: THandle; hwndMDI: THandle); stdcall;
procedure UnregisterTab(hwndTab: THandle); stdcall;
procedure SetTabOrder(hwndTab: THandle; hwndInsertBefore: THandle); stdcall;
procedure SetTabActive(hwndTab: THandle; hwndMDI: THandle; tbatFlags: Cardinal); stdcall;
procedure ThumbBarAddButtons(hwnd: THandle; cButtons: Cardinal; pButtons: Pointer); stdcall;
procedure ThumbBarUpdateButtons(hwnd: THandle; cButtons: Cardinal; pButtons: Pointer); stdcall;
procedure ThumbBarSetImageList(hwnd: THandle; himl: THandle); stdcall;
procedure SetOverlayIcon(hwnd: THandle; hIcon: THandle; pszDescription: PChar); stdcall;
procedure SetThumbnailTooltip(hwnd: THandle; pszDescription: PChar); stdcall;
procedure SetThumbnailClip(hwnd: THandle; var prcClip: TRect); stdcall;
end;
var
{ Global variable storing the COM interface }
GlobalTaskBarInterface: ITaskBarList3;
{ TFormHelper }
procedure SetProgressState(const AState: TTaskBarProgressState);
const
Flags: array[TTaskBarProgressState] of Cardinal = (0, 1, 2, 4, 8);
begin
if GlobalTaskBarInterface <> nil then
GlobalTaskBarInterface.SetProgressState(Win32WidgetSet.AppHandle, Flags[AState]);
end;
procedure SetProgressValue(const ACurrent, AMax: UInt64);
begin
if GlobalTaskBarInterface <> nil then
GlobalTaskBarInterface.SetProgressValue(Win32WidgetSet.AppHandle, ACurrent, AMax);
end;
procedure InitializeAPI();
var
Unk: IInterface;
begin
if WindowsVersion<wv7 then exit;
{ Make sure that COM is initialized }
//CoInitializeEx(nil, 0);
if assigned(InitProc) then
TProcedure(InitProc)();
try
{ Obtain an IUnknown }
Unk := CreateComObject(TASKBAR_CID);
if Unk = nil then
Exit;
{ Cast to the required interface }
GlobalTaskBarInterface := Unk as ITaskBarList3;
{ Initialize }
GlobalTaskBarInterface.HrInit();
except
GlobalTaskBarInterface := nil;
end;
end;
initialization
{ Initialize the Windows 7 taskbar API }
InitializeAPI();
finalization
{ Force interface release }
GlobalTaskBarInterface := nil;
{$ENDIF}
end.