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{ TPrinterSetupDialog }
function TPrinterSetupDialog.DoExecute: Boolean;
Var Dlg : Tdlgpropertiesprinter;
begin
Dlg:=TdlgPropertiesPrinter.Create(nil);
try
if (Title='') then
begin
if Printer<>nil then
Dlg.Caption := Printer.PrinterName;
end else
Dlg.Caption := Title;
Result:=(Dlg.ShowModal=mrOk);
if Result then
Dlg.InitProperties;
finally
Dlg.Free;
end;
end;
{ TPrintDialog }
function TPrintDialog.DoExecute: Boolean;
Var
Dlg : TdlgSelectPrinter;
i : Integer;
begin
Dlg:=TdlgSelectPrinter.Create(nil);
Dlg.Options := Self.Options;
Dlg.PrintRange := Self.PrintRange;
Dlg.cbCollate.Checked := Self.Collate;
Dlg.edCopies.Value := Self.Copies;
if Title<>'' then
Dlg.Caption := Title
else
Dlg.Caption := DefaultTitle;
if FromPage<1 then FromPage:=1;
if ToPage<FromPage then ToPage:=FromPage;
Dlg.edRange.Text := IntToStr(Self.FromPage) +'-'+ IntToStr(Self.ToPage);
case Dlg.PrintRange of
prAllPages: Dlg.rbAllPage.Checked := True;
prSelection: Dlg.rbSelection.Checked := True;
prPageNums: Dlg.rbRange.Checked := True;
prCurrentPage: Dlg.rbCurrentPage.Checked := True;
end;
try
Dlg.btnPreview.Visible:=False;
Result:=(Dlg.ShowModal=mrOk);
if Result then begin
// TDlgSelectPrinter will setup directoy cups printer options
// yet, TPrintDialog should return information about user choice
// modifying fields accordingly.
self.PrintRange:=dlg.PrintRange;
self.Collate := dlg.cbCollate.Checked;
self.Copies := dlg.edCopies.Value;
// Page range. This migth get really complex because it's free enty
// textbox. To fill FromPage and ToPage we will use some
// simple rules.
i := pos('-', Dlg.edRange.Text);
if i<>0 then begin
FromPage := StrToIntDef(Trim(Copy(Dlg.edRange.Text, 1, i-1)), FromPage);
ToPage := StrToIntDef(Trim(Copy(Dlg.edRange.Text, i+1, MaxInt)), ToPage);
if ToPage<FromPage then begin
i := ToPage;
ToPage := FromPage;
FromPage := i;
end;
end else begin
Self.FromPage := StrToIntDef(Trim(Dlg.edRange.Text), Self.FromPage);
Self.ToPage := Self.FromPage;
end;
end;
finally
Dlg.Free;
end;
end;
{ TPageSetupDialog }
function TPageSetupDialog.DoExecute: Boolean;
var
Dlg: TDlgPageSetup;
NDigits, NScale: integer;
NInc: double;
begin
if Printer.PrinterIndex<0 then
begin
if psoWarning in Options then
MessageDlg(Title, p4lrsNoDefaultPrinter, mtWarning, [mbOk], 0);
exit(false);
end;
// w/o SetPrinter, list of paper names is different
// (Letter / US Letter, EnvMonarch / Envelope Monarch),
// and list of sources is empty
Printer.SetPrinter(Printer.Printers[Printer.PrinterIndex]);
Dlg:= TDlgPageSetup.Create(nil);
try
if Title<>'' then
Dlg.Caption:= Title
else
Dlg.Caption:= DefaultTitle;
if FUnits=pmInches then
begin
Dlg.frmPageSetup.UnitInches:= true;
with Dlg.frmPageSetup.gpMargins do
Caption:= Caption+' '+p4lrsShortUnitsInches;
NDigits:= 2;
NInc:= 0.01;
// according to MSDN, WinAPI margin rect needs values in 1/1000 of inches,
// or in 1/100 on mm.
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms646842(v=vs.85).aspx
NScale:= 1000;
end
else
begin
Dlg.frmPageSetup.UnitInches:= false;
with Dlg.frmPageSetup.gpMargins do
Caption:= Caption+' '+p4lrsShortUnitsMm;
NDigits:= 0;
NInc:= 1.0;
NScale:= 100;
end;
// after setting UnitInches
Dlg.SetControls(
not (psoDisablePagePainting in Options),
not (psoDisableMargins in Options),
not (psoDisablePaper in Options),
not (psoDisableOrientation in Options)
);
Dlg.btnPrinter.Enabled:= not (psoDisablePrinter in Options);
Dlg.frmPageSetup.txtLeft.DecimalPlaces:= NDigits;
Dlg.frmPageSetup.txtTop.DecimalPlaces:= NDigits;
Dlg.frmPageSetup.txtRight.DecimalPlaces:= NDigits;
Dlg.frmPageSetup.txtBottom.DecimalPlaces:= NDigits;
if psoMargins in Options then
begin
Dlg.frmPageSetup.txtLeft.Value:= FMarginLeft/NScale;
Dlg.frmPageSetup.txtTop.Value:= FMarginTop/NScale;
Dlg.frmPageSetup.txtRight.Value:= FMarginRight/NScale;
Dlg.frmPageSetup.txtBottom.Value:= FMarginBottom/NScale;
end
else
begin
// set margins 1 inch or 10 mm
Dlg.frmPageSetup.txtLeft.Value:= 1000/NScale;
Dlg.frmPageSetup.txtTop.Value:= 1000/NScale;
Dlg.frmPageSetup.txtRight.Value:= 1000/NScale;
Dlg.frmPageSetup.txtBottom.Value:= 1000/NScale;
end;
if psoDefaultMinMargins in Options then
begin
Dlg.frmPageSetup.SetDefaultMinMargins;
end;
if psoMinMargins in Options then
begin
Dlg.frmPageSetup.txtLeft.MinValue:= FMinMarginLeft/NScale;
Dlg.frmPageSetup.txtTop.MinValue:= FMinMarginTop/NScale;
Dlg.frmPageSetup.txtRight.MinValue:= FMinMarginRight/NScale;
Dlg.frmPageSetup.txtBottom.MinValue:= FMinMarginBottom/NScale;
end;
Dlg.frmPageSetup.txtLeft.Increment:= NInc;
Dlg.frmPageSetup.txtTop.Increment:= NInc;
Dlg.frmPageSetup.txtRight.Increment:= NInc;
Dlg.frmPageSetup.txtBottom.Increment:= NInc;
Dlg.frmPageSetup.UpdatePageSize;
Result:= Dlg.ShowModal=mrOk;
if Result then
begin
FMarginLeft:= Round(Dlg.frmPageSetup.txtLeft.Value*NScale);
FMarginTop:= Round(Dlg.frmPageSetup.txtTop.Value*NScale);
FMarginRight:= Round(Dlg.frmPageSetup.txtRight.Value*NScale);
FMarginBottom:= Round(Dlg.frmPageSetup.txtBottom.Value*NScale);
FPageWidth:= Round(Dlg.frmPageSetup.CurPageWidth*NScale);
FPageHeight:= Round(Dlg.frmPageSetup.CurPageHeight*NScale);
end;
finally
Dlg.Free;
end;
end;
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