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| unit VistaTaskDialog;
interface
uses Windows;
const
TD_ICON_BLANK = 0;
TD_ICON_WARNING = 84;
TD_ICON_QUESTION = 99;
TD_ICON_ERROR = 98;
TD_ICON_INFORMATION = 81;
TD_ICON_SHIELD = 65532;
TD_ICON_SHIELD_QUESTION = 104;
TD_ICON_SHIELD_ERROR = 105;
TD_ICON_SHIELD_OK = 106;
TD_ICON_SHIELD_WARNING = 107;
TD_ICON_SHIELD_HEADB = 65531;
TD_ICON_SHIELD_HEAD_WARNING = 65530;
TD_ICON_SHIELD_HEAD_ERROR = 65529;
TD_ICON_SHIELD_HEAD_OK = 65528;
TD_ICON_SHIELD_HEADG = 65527;
TD_ICON_SOUND_WARNING = 65535;
TD_ICON_SOUND_ERROR = 65534;
TD_ICON_SOUND_INFORMATION = 65533;
TD_BUTTON_OK = $01;
TD_BUTTON_YES = $02;
TD_BUTTON_NO = $04;
TD_BUTTON_CANCEL = $08;
TD_BUTTON_RETRY = $10;
TD_BUTTON_CLOSE = $20;
TD_RESULT_OK = 1;
TD_RESULT_CANCEL = 2;
TD_RESULT_RETRY = 4;
TD_RESULT_YES = 6;
TD_RESULT_NO = 7;
TD_RESULT_CLOSE = 8;
TD_RESULT_ERROR = -1;
TDF_ENABLE_HYPERLINKS = $0001;
TDF_USE_HICON_MAIN = $0002;
TDF_USE_HICON_FOOTER = $0004;
TDF_ALLOW_DIALOG_CANCELLATION = $0008;
TDF_USE_COMMAND_LINKS = $0010;
TDF_USE_COMMAND_LINKS_NO_ICON = $0020;
TDF_EXPAND_FOOTER_AREA = $0040;
TDF_EXPANDED_BY_DEFAULT = $0080;
TDF_VERIFICATION_FLAG_CHECKED = $0100;
TDF_SHOW_PROGRESS_BAR = $0200;
TDF_SHOW_MARQUEE_PROGRESS_BAR = $0400;
TDF_CALLBACK_TIMER = $0800;
TDF_POSITION_RELATIVE_TO_WINDOW = $1000;
TDF_RTL_LAYOUT = $2000;
TDF_NO_DEFAULT_RADIO_BUTTON = $4000;
TDF_CAN_BE_MINIMIZED = $8000;
type
TTaskDialogCallBackProc = function (AHWND : HWND; Notification : Cardinal; WParam : wParam; LParam : lParam; dwRefData : Pointer) : integer;
TTaskIcon = record
case boolean of
false : (hIcon : HICON);
true : (pszIcon : PWideChar);
end;
TTaskDialogButton = record
nButtonID : Integer;
pszButtonText : PWideChar;
end;
TArrayTaskDialogButton = array of TTaskDialogButton;
TTaskButtons = record
NbButtons : Cardinal;
CustomButtons : TArrayTaskDialogButton;
DefaultButton : integer;
end;
TTaskDialogConfig = record
cbSize : Cardinal;
HwndParent : HWND;
hInstance : THandle;
dwFlags : Cardinal;
dwCommonButtons : Cardinal;
pszWindowTitle : PWideChar;
MainIcon : TTaskIcon;
pszMainInstruction : PWideChar;
pszContent : PWideChar;
Buttons : TTaskButtons;
RadioButtons : TTaskButtons;
pszVerificationText : PWideChar;
pszExpandedInformation : PWideChar;
pszExpandedControlText : PWideChar;
pszCollapsedControlText : PWideChar;
FooterIcon : TTaskIcon;
pszFooter : PWideChar;
pfCallback : ^TTaskDialogCallBackProc;
lpCallBackData : Pointer;
cxWidth : Cardinal;
end;
PTaskDialogConfig = ^TTaskDialogConfig;
TButtonTextID = record
nButtonID : Integer;
pszButtonText : WideString;
end;
TTaskDialog = class
private
FArrayButtons, FArrayRadioButtons : array of TButtonTextID;
FDefaultButton, FDefaultRadioButton : integer;
FWindowTitle : WideString;
FMainInstruction : WideString;
FContent : WideString;
FVerificationText : WideString;
FExpandedInformation : WideString;
FExpandedControlText : WideString;
FCollapsedControlText : WideString;
FFooterText : WideString;
FMainIcon, FFooterIcon : TTaskIcon;
FHandleParent : HWND;
FInstance : THandle;
FFlags : Cardinal;
FCommonButtons : Cardinal;
FCallback : TTaskDialogCallBackProc;
FCallBackData : Pointer;
FWidth : Cardinal;
public
constructor Create;
destructor Destroy; override;
function Execute (out Button, RadioButton : integer; out VerifChecked : boolean) : integer;
procedure AddCustomButton (ButtonID : integer; ButtonText : WideString);
procedure AddRadioButton (ButtonID : integer; ButtonText : WideString);
procedure InitializeConfig;
function HyperLink(ExecutableName, Text : Widestring) : WideString;
property HandleParent : HWND read FHandleParent write FHandleParent;
property hInstance : THandle read FInstance write FInstance;
property WindowTitle : WideString read FWindowTitle write FWindowTitle;
property MainInstruction : WideString read FMainInstruction write FMainInstruction;
property Content : WideString read FContent write FContent;
property VerificationText : WideString read FVerificationText write FVerificationText;
property ExpandedInformation : WideString read FExpandedInformation write FExpandedInformation;
property ExpandedControlText : WideString read FExpandedControlText write FExpandedControlText;
property CollapsedControlText : WideString read FCollapsedControlText write FCollapsedControlText;
property FooterText : WideString read FFooterText write FFooterText;
property DefaultButton : integer read FDefaultButton write FDefaultButton;
property DefaultRadioButton : integer read FDefaultRadioButton write FDefaultRadioButton;
property MainIcon : TTaskIcon read FMainIcon write FMainIcon;
property FooterIcon : TTaskIcon read FFooterIcon write FFooterIcon;
property Flags : Cardinal read FFlags write FFlags;
property CommonButtons : Cardinal read FCommonButtons write FCommonButtons;
property Width : Cardinal read FWidth write FWidth;
property CallBackData : Pointer read FCallBackData write FCallBackData;
property OnCallBack : TTaskDialogCallBackProc read FCallBack write FCallBack;
end;
implementation
const
TaskDialogIndirectSig = 'TaskDialogIndirect';
function IsWindowsVista: Boolean;
var
VerInfo: TOSVersioninfo;
begin
VerInfo.dwOSVersionInfoSize := SizeOf(TOSVersionInfo);
GetVersionEx(VerInfo);
Result := VerInfo.dwMajorVersion >= 6;
end;
constructor TTaskDialog.Create;
begin
inherited;
InitializeConfig;
end;
destructor TTaskDialog.Destroy;
begin
InitializeConfig;
inherited;
end;
procedure TTaskDialog.InitializeConfig;
var i : integer;
begin
for i:=0 to Length(FArrayButtons)-1 do
FArrayButtons[i].pszButtonText:='';
for i:=0 to Length(FArrayRadioButtons)-1 do
FArrayRadioButtons[i].pszButtonText:='';
SetLength(FArrayButtons,0);
SetLength(FArrayRadioButtons,0);
FDefaultButton:=0;
FDefaultRadioButton:=0;
FWindowTitle:= '';;
FMainInstruction := '';;
FContent :='';
FVerificationText:='';
FExpandedInformation:='';
FExpandedControlText:='';
FCollapsedControlText:='';
FMainIcon.hIcon:=0;
FFooterIcon.hIcon:=0;
FHandleParent := 0;
FInstance := 0;
FFlags := 0;
FCommonButtons := 0;
FWidth :=0;
end;
procedure TTaskDialog.AddCustomButton (ButtonID : integer; ButtonText : WideString);
var L : integer;
begin
L:=Length(FArrayButtons);
SetLength(FArrayButtons,L+1);
FArrayButtons[L].pszButtonText:=ButtonText;
FArrayButtons[L].nButtonID:=ButtonID;
end;
procedure TTaskDialog.AddRadioButton (ButtonID : integer; ButtonText : WideString);
var L : integer;
begin
L:=Length(FArrayRadioButtons);
SetLength(FArrayRadioButtons,L+1);
FArrayRadioButtons[L].pszButtonText:=ButtonText;
FArrayRadioButtons[L].nButtonID:=ButtonID;
end;
function TTaskDialog.HyperLink(ExecutableName, Text : Widestring) : WideString;
begin
Result:='<A HREF="'+ExecutableName+'">'+Text+'</A>';
end;
function TTaskDialog.Execute (out Button, RadioButton : integer; out VerifChecked : boolean) : integer;
var AButtons, ARadioButtons : TTaskButtons;
i : integer;
FConfig : TTaskDialogConfig;
FDLLHandle : THandle;
FTaskDialogIndirect : function(Config: PTaskDialogConfig; pnButton, pnRadioButton : PInteger;
VerificationFlagChecked : PBoolean): integer; cdecl stdcall;
begin
Result:=TD_RESULT_ERROR;
if IsWindowsVista then
begin
FDLLHandle := LoadLibrary(comctl32);
if FDLLHandle >= 32 then
begin
@FTaskDialogIndirect := GetProcAddress(FDLLHandle, TaskDialogIndirectSig);
if Assigned(FTaskDialogIndirect) then
begin
FConfig.HwndParent:=FHandleParent;
FConfig.hInstance:=FInstance;
FConfig.dwFlags:=FFlags;
FConfig.dwCommonButtons:=FCommonButtons;
FConfig.pszWindowTitle:=@FWindowTitle[1];
FConfig.MainIcon:=FMainIcon;
FConfig.pszMainInstruction:=@FMainInstruction[1];
FConfig.pszContent:=@FContent[1];
//création du tableau de boutons
AButtons.DefaultButton:=FDefaultButton;
AButtons.NbButtons:=Length(FArrayButtons);
SetLength(AButtons.CustomButtons,AButtons.NbButtons);
for i:=0 to AButtons.NbButtons-1 do
begin
AButtons.CustomButtons[i].pszButtonText:=@FArrayButtons[i].pszbuttonText[1];
AButtons.CustomButtons[i].nButtonID:=FArrayButtons[i].nButtonID;
end;
FConfig.Buttons:=AButtons;
//création du tableau de radiobuttons
ARadioButtons.DefaultButton:=FDefaultRadioButton;
ARadioButtons.NbButtons:=Length(FArrayRadioButtons);
SetLength(ARadioButtons.CustomButtons,AButtons.NbButtons);
for i:=0 to ARadioButtons.NbButtons-1 do
begin
ARadioButtons.CustomButtons[i].pszButtonText:=@FArrayRadioButtons[i].pszbuttonText[1];
ARadioButtons.CustomButtons[i].nButtonID:=FArrayRadioButtons[i].nButtonID;
end;
FConfig.RadioButtons:=ARadioButtons;
FConfig.pszVerificationText:=@FVerificationText[1];
FConfig.pszExpandedInformation:=@FExpandedInformation[1];
FConfig.pszExpandedControlText:=@FExpandedControlText[1];
FConfig.pszCollapsedControlText:=@FCollapsedControlText[1];
FConfig.FooterIcon:=FFooterIcon;
FConfig.pszFooter:=@FFooterText[1];
FConfig.pfCallback:=@FCallBack;
FConfig.lpCallBackData:=FCallBackData;
FConfig.cxWidth:=FWidth;
FConfig.cbSize:=SizeOf(FConfig);
Result:=FTaskDialogIndirect(@FConfig, @Button, @RadioButton, @VerifChecked);
SetLength(AButtons.CustomButtons,0);
SetLength(ARadioButtons.CustomButtons,0);
end;
end;
FreeLibrary(FDLLHandle);
end;
end;
end. |
Utiliser les boites de dialogue Vista (TaskDialogIndirect)
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