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{%MainUnit customdrawnint.pas}
{******************************************************************************
All CustomDrawn interface support routines
Initial Revision : Sat Jan 17 19:00:00 2004
!! Keep alphabetical !!
******************************************************************************
Implementation
******************************************************************************
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
//##apiwiz##sps## // Do not remove
function TCDWidgetSet.AskUser(const DialogCaption, DialogMessage: string;
DialogType: LongInt; Buttons: TDialogButtons; HelpCtx: Longint): LongInt;
begin
end;
(*{------------------------------------------------------------------------------
Function: CreateEmptyRegion
Params:
Returns: valid empty region
------------------------------------------------------------------------------}
function TQtWidgetSet.CreateEmptyRegion: hRGN;
begin
Result:= HRGN(TQtRegion.Create(True));
end;
{------------------------------------------------------------------------------
Function: CreateStandardCursor
Params:
Returns:
------------------------------------------------------------------------------}
function TQtWidgetSet.CreateStandardCursor(ACursor: SmallInt): HCURSOR;
var
CursorShape: QtCursorShape;
begin
Result := 0;
if ACursor < crLow then Exit;
if ACursor > crHigh then Exit;
// TODO: map is better
case ACursor of
crNone : CursorShape := QtBlankCursor;
crArrow : CursorShape := QtArrowCursor;
crCross : CursorShape := QtCrossCursor;
crIBeam : CursorShape := QtIBeamCursor;
crSizeAll : CursorShape := QtSizeAllCursor;
crSizeNESW : CursorShape := QtSizeBDiagCursor;
crSizeNS : CursorShape := QtSizeVerCursor;
crSizeNWSE : CursorShape := QtSizeFDiagCursor;
crSizeWE : CursorShape := QtSizeHorCursor;
crSizeNW : CursorShape := QtSizeFDiagCursor;
crSizeN : CursorShape := QtSizeVerCursor;
crSizeNE : CursorShape := QtSizeBDiagCursor;
crSizeW : CursorShape := QtSizeHorCursor;
crSizeE : CursorShape := QtSizeHorCursor;
crSizeSW : CursorShape := QtSizeBDiagCursor;
crSizeS : CursorShape := QtSizeVerCursor;
crSizeSE : CursorShape := QtSizeFDiagCursor;
crUpArrow : CursorShape := QtUpArrowCursor;
crHourGlass : CursorShape := QtWaitCursor;
crHSplit : CursorShape := QtSplitHCursor;
crVSplit : CursorShape := QtSplitVCursor;
crNo : CursorShape := QtForbiddenCursor;
crAppStart : CursorShape := QtBusyCursor;
crHelp : CursorShape := QtWhatsThisCursor;
crHandPoint : CursorShape := QtPointingHandCursor;
else
CursorShape := QtCursorShape(-1);
end;
if CursorShape <> QtCursorShape(-1) then
Result := HCURSOR(TQtCursor.Create(CursorShape));
end;*)
(*{------------------------------------------------------------------------------
Function: FontIsMonoSpace
Params:
Returns:
------------------------------------------------------------------------------}
function TQtWidgetSet.FontIsMonoSpace(Font: HFont): Boolean;
var
QtFontInfo: QFontInfoH;
begin
Result := IsValidGDIObject(Font);
if Result then
begin
QtFontInfo := QFontInfo_create(TQtFont(Font).FHandle);
try
Result := QFontInfo_fixedPitch(QtFontInfo);
finally
QFontInfo_destroy(QtFontInfo);
end;
end;
end;*)
procedure TCDWidgetSet.HideVirtualKeyboard();
begin
end;
function TCDWidgetSet.IsMobilePlatform: Boolean;
begin
Result := Application.ApplicationType in [atPDA, atKeyPadDevice, atTV, atMobileEmulator];
end;
{------------------------------------------------------------------------------
Function: PromptUser
Params:
Returns:
------------------------------------------------------------------------------}
function TCDWidgetSet.PromptUser(const DialogCaption : string;
const DialogMessage : string;
DialogType : LongInt;
Buttons : PLongInt;
ButtonCount : LongInt;
DefaultIndex : LongInt;
EscapeResult : LongInt) : LongInt;
var
i: Integer;
Caption: String;
TaskConfig: TTASKDIALOGCONFIG;
DialogButtons: PTASKDIALOG_BUTTON;
State: TApplicationState;
begin
//TaskDialogIndirect is available in Vista and up, but only if app was built with manifest.
//The check for the latter is done by checking for ComCtlVersionIE6 (which is set in the manifest)
//The availability of TaskDialogIndirect does not depend on the status of ThemeServices
//Issue #0027664
if (WindowsVersion >= wvVista) and (GetFileVersion(comctl32) >= ComCtlVersionIE6) then
begin
FillChar(TaskConfig, SizeOf(TaskConfig), 0);
TaskConfig.cbSize := SizeOf(TaskConfig);
// if we skip hwndParent our form will be a root window - with the taskbar item and icon
// this is unwanted
if Assigned(Screen.ActiveCustomForm) then
TaskConfig.hwndParent := Screen.ActiveCustomForm.Handle
else
if Assigned(Application.MainForm) then
TaskConfig.hwndParent := Application.MainFormHandle
else
TaskConfig.hwndParent := AppHandle;
TaskConfig.hInstance := HInstance;
TaskConfig.dwFlags := TDF_ALLOW_DIALOG_CANCELLATION;
if DialogCaption <> '' then
Caption := DialogCaption
else
case DialogType of
idDialogConfirm,
idDialogInfo,
idDialogWarning,
idDialogError: Caption := GetDialogCaption(DialogType);
else
Caption := Application.Title;
end;
TaskConfig.pszWindowTitle := PWideChar(UTF8ToUTF16(Caption));
case DialogType of
idDialogConfirm:
begin
TaskConfig.hMainIcon := Windows.LoadIcon(0, IDI_QUESTION);
TaskConfig.dwFlags := TaskConfig.dwFlags or TDF_USE_HICON_MAIN;
end;
idDialogInfo: TaskConfig.pszMainIcon := TD_INFORMATION_ICON;
idDialogWarning: TaskConfig.pszMainIcon := TD_WARNING_ICON;
idDialogError: TaskConfig.pszMainIcon := TD_ERROR_ICON;
idDialogShield: TaskConfig.pszMainIcon := TD_SHIELD_ICON;
else
TaskConfig.dwFlags := TaskConfig.dwFlags or TDF_USE_HICON_MAIN;
end;
TaskConfig.pszContent := PWideChar(UTF8ToUTF16(DialogMessage));
TaskConfig.cButtons := ButtonCount;
GetMem(DialogButtons, SizeOf(TTASKDIALOG_BUTTON) * ButtonCount);
for i := 0 to ButtonCount - 1 do
begin
DialogButtons[i].nButtonID := Buttons[i];
DialogButtons[i].pszButtonText := UTF8StringToPWideChar(GetButtonCaption(Buttons[i]));
end;
TaskConfig.pButtons := DialogButtons;
//we need idButtonXX value
if DefaultIndex < ButtonCount then
TaskConfig.nDefaultButton := Buttons[DefaultIndex]
else
TaskConfig.nDefaultButton := 0;
State := SaveApplicationState;
try
Result := IDCANCEL;
TaskDialogIndirect(@TaskConfig, @Result, nil, nil);
if Result = IDCANCEL then
Result := EscapeResult;
finally
RestoreApplicationState(State);
for i := 0 to ButtonCount - 1 do
FreeMem(DialogButtons[i].pszButtonText);
FreeMem(DialogButtons);
end;
end
else
Result := inherited PromptUser(DialogCaption, DialogMessage, DialogType,
Buttons, ButtonCount, DefaultIndex, EscapeResult);
end;
{------------------------------------------------------------------------------
Function: RawImage_FromDevice
Params: ADC:
ARect:
ARawImage:
Returns:
This function is utilized when the function TBitmap.LoadFromDevice is called
The main use for this function is to get a screenshot. It may have other uses,
but this is the only one implemented here.
MWE: exept for the desktop, there is always a bitmep selected in the DC.
So get this internal bitmap and pass it to RawImage_FromBitmap
------------------------------------------------------------------------------}
function TCDWidgetSet.RawImage_FromDevice(out ARawImage: TRawImage; ADC: HDC; const ARect: TRect): Boolean;
begin
Result := True;
ARawImage.Init;
end;
procedure TCDWidgetset.ShowVirtualKeyboard();
begin
end;
//##apiwiz##eps## // Do not remove, no wizard declaration after this line
|
