Quelle PrintDialogEx.pas Sprache: Delphi

unit PrintDialogEx;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
interface
uses
  //----------------------------------------------------------------------------
  //
  //----------------------------------------------------------------------------
  language,Utilities,
  //----------------------------------------------------------------------------
  //
  //----------------------------------------------------------------------------
  Windows,Messages,SysUtils,Classes,Graphics,Controls,Forms,Dialogs,
  ExtDlgs,extctrls,stdctrls,CommDlg,Dlgs,Strutils,Menus;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
type
  { TPrintDialogEx }
  TPrintDialogEx= class(TPrintDialog)
  private
    FExtendedPanel:TPanel;
    FComboBox:TComboBox;
    FComboBoxVisible:Boolean;
    FComboBoxEnabled:Boolean;
    FComboBoxItem:TStringlist;
    FComboBoxIndex:Integer;
    procedure FComboBoxChange(Sender:TObject);
    procedure SetComboBoxItem(const Value:TStringlist);
  protected
    procedure DoShow;override;
    function GetStaticRect:TRect;
    function TaskModalDialog(DialogFunc:Pointer;var DialogData):Bool;override;
  public
    constructor Create(AOwner:TComponent);override;
    destructor Destroy;override;
    property ComboBoxIndex:Integer read FComboBoxIndex;
  published
    property ComboBoxVisible
      :Boolean read FComboBoxVisible write FComboBoxVisible;
    property ComboBoxEnabled
      :Boolean read FComboBoxEnabled write FComboBoxEnabled;
    property ComboBoxItem:TStringlist read FComboBoxItem write SetComboBoxItem;
  end;
  //----------------------------------------------------------------------------
  //
  //----------------------------------------------------------------------------
procedure Register;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
implementation
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
constructor TPrintDialogEx.Create(AOwner:TComponent);
begin
  inherited;
  FComboBoxVisible:=false;
  FComboBoxEnabled:=True;
  FComboBoxItem:=TStringlist.Create;
  FComboBoxItem.Add('All Pages');
  FComboBoxItem.Add('Odd Pages');
  FComboBoxItem.Add('Even Pages');
  FExtendedPanel:=TPanel.Create(self);
  with FExtendedPanel do begin
    Name:='';
    //Caption:='';
    SetBounds(0,0,169,200);//(204, 5, 169, 200);
    BevelOuter:=bvNone;
    BorderWidth:=6;
    TabOrder:=1;
    FComboBox:=TComboBox.Create(self);
    with FComboBox do begin
      Name:='ComboBox1';
      Text:='';
      SetBounds(2,7,180,28);
      Style:=csDropDownList;
      Parent:=FExtendedPanel;
    end;
  end;
  FComboBoxIndex:=0;
end;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
destructor TPrintDialogEx.Destroy;
begin
  FComboBoxItem.Free;
  FExtendedPanel.Free;
  inherited Free;
end;
//----------------------------------------------------------------------------
//
//the callback function  patch text for Labels
//
//----------------------------------------------------------------------------
function EnumProc(AHandle:HWND;Lines:TStrings):Boolean;stdcall;
var
  buf,Caption: Array [0..255] of char;
  CN:String;
  V:String;
  procedure settle(n:Integer;S:String);
  begin
    if V=S then begin
      CN:=trans(lang,n,S);
      if (n=200) and (lang=german) then  //Markierung
        CN:='Aktuelle Seite';
      SetWindowText(AHandle,pchar(CN));
    end;
  end;
begin
  result:=True;
  GetClassname(AHandle,buf,256);
  GetWindowText(AHandle,Caption,256);
  V:=Caption;
  settle(200,'&Markierung');
  settle(201,'Druckbereich');
  settle(202,'A&lles');
  settle(203,'&Seiten');
  settle(204,'&von:');
  settle(205,'&bis:');
  settle(206,'Exemplare');
  settle(207,'An&zahl Exemplare:');
  settle(208,'OK');
  settle(209,'Abbrechen');
  settle(210,'Standort:');
  settle(211,'Abbrechen');
  settle(212,'Drucker');
  settle(213,'&Name:');
  settle(214,'&Eigenschaften...');
  settle(215,'Status:');
  settle(216,'Bereit');
  settle(217,'Typ:');
  settle(218,'Kommentar:');
  settle(219,'S&ortieren');
  settle(220,'Drucken');
end;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
procedure TPrintDialogEx.DoShow;
var
  PreviewRect,StaticRect:TRect;
begin
  EnumChildWindows(Handle,@EnumProc,0);
  { Set preview area to entire dialog }
  GetClientRect(Handle,PreviewRect);
  StaticRect:=GetStaticRect;
  { Move extended area to right of static area }
  PreviewRect.Left:=StaticRect.Left;
  PreviewRect.Top:=StaticRect.Bottom;
  Inc(PreviewRect.Top,4);
  FExtendedPanel.BoundsRect:=PreviewRect;
  FExtendedPanel.ParentWindow:=Handle;
  FComboBox.Items.Assign(FComboBoxItem);
  with FComboBox do begin
    Enabled:=FComboBoxEnabled;
    Visible:=FComboBoxVisible;
    try
      ItemIndex:=FComboBoxIndex;
    except
      on Exception do
        ItemIndex:=0;
    end;
    OnChange:=FComboBoxChange;
  end;
  inherited DoShow;
end;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
procedure TPrintDialogEx.FComboBoxChange(Sender:TObject);
begin
  FComboBoxIndex:=FComboBox.ItemIndex;
end;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
function TPrintDialogEx.GetStaticRect:TRect;
begin
  if Handle<>0 then begin
    GetWindowRect(GetDlgItem(Handle,grp1),result);//print range group box
    MapWindowPoints(0,Handle,result,2);
  end
  else
    result:=Rect(0,0,0,0)
end;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
procedure TPrintDialogEx.SetComboBoxItem(const Value:TStringlist);
begin
  if Assigned(FComboBoxItem) then
    FComboBoxItem.Assign(Value)
  else
    FComboBoxItem:=Value;
end;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
function TPrintDialogEx.TaskModalDialog(DialogFunc:Pointer;var DialogData):Bool;
begin
  TPrintDlg(DialogData).Flags:=TPrintDlg(DialogData)
    .Flags or PD_ENABLESETUPTEMPLATE;
  TPrintDlg(DialogData).lpSetupTemplateName:=Template;
  result:= inherited TaskModalDialog(DialogFunc,DialogData);
end;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
procedure Register;
begin
  RegisterComponents('LS',[TPrintDialogEx]);
end;
end.
//----------------------------------------------------------------------------
//Ende dieser Quelle
//----------------------------------------------------------------------------

quality92%

¤ Dauer der Verarbeitung: 0.14 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.