lazarus/lcl/interfaces/win32/win32wsextctrls.pp
2009-02-27 03:52:48 +00:00

758 lines
25 KiB
ObjectPascal

{
*****************************************************************************
* Win32WSExtCtrls.pp *
* ------------------ *
* *
* *
*****************************************************************************
*****************************************************************************
* *
* This file is part of the Lazarus Component Library (LCL) *
* *
* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
* for details about the copyright. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* *
*****************************************************************************
}
unit Win32WSExtCtrls;
{$mode objfpc}{$H+}
{$I win32defines.inc}
interface
uses
////////////////////////////////////////////////////
// I M P O R T A N T
////////////////////////////////////////////////////
// To get as little as posible circles,
// uncomment only when needed for registration
////////////////////////////////////////////////////
// rtl
Windows, CommCtrl, SysUtils, Classes,
// lcl
ExtCtrls, Controls, ImgList, LCLType, LCLIntf, LCLProc, Themes, LCLMessageGlue,
// ws
WSControls, WSExtCtrls, WSLCLClasses, WSProc, Win32Extra, Win32Int, Win32Proc,
InterfaceBase, Win32WSControls;
type
{ TWin32WSCustomPage }
TWin32WSCustomPage = class(TWSCustomPage)
public
class procedure ThemeChange(Wnd: HWND);
published
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND; override;
class procedure DestroyHandle(const AWinControl: TWinControl); override;
class procedure UpdateProperties(const ACustomPage: TCustomPage); override;
class procedure SetText(const AWinControl: TWinControl; const AText: string); override;
end;
{ TWin32WSCustomNotebook }
TWin32WSCustomNotebook = class(TWSCustomNotebook)
published
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND; override;
class procedure AddAllNBPages(const ANotebook: TCustomNotebook);
class procedure AdjustSizeNotebookPages(const ANotebook: TCustomNotebook);
class procedure AddPage(const ANotebook: TCustomNotebook;
const AChild: TCustomPage; const AIndex: integer); override;
class procedure MovePage(const ANotebook: TCustomNotebook;
const AChild: TCustomPage; const NewIndex: integer); override;
class procedure RemoveAllNBPages(const ANotebook: TCustomNotebook);
class procedure RemovePage(const ANotebook: TCustomNotebook;
const AIndex: integer); override;
class function GetPageRealIndex(const ANotebook: TCustomNotebook; AIndex: Integer): Integer; override;
class function GetTabIndexAtPos(const ANotebook: TCustomNotebook; const AClientPos: TPoint): integer; override;
class function GetCapabilities: TNoteBookCapabilities;override;
class function GetDesignInteractive(const AWinControl: TWinControl; AClientPos: TPoint): Boolean; override;
class procedure SetImageList(const ANotebook: TCustomNotebook; const AImageList: TCustomImageList); override;
class procedure SetPageIndex(const ANotebook: TCustomNotebook; const AIndex: integer); override;
class procedure SetTabPosition(const ANotebook: TCustomNotebook; const ATabPosition: TTabPosition); override;
class procedure ShowTabs(const ANotebook: TCustomNotebook; AShowTabs: boolean); override;
class procedure UpdateProperties(const ANotebook: TCustomNotebook); override;
end;
{ TWin32WSPage }
TWin32WSPage = class(TWSPage)
published
end;
{ TWin32WSNotebook }
TWin32WSNotebook = class(TWSNotebook)
published
end;
{ TWin32WSShape }
TWin32WSShape = class(TWSShape)
published
end;
{ TWin32WSCustomSplitter }
TWin32WSCustomSplitter = class(TWSCustomSplitter)
published
end;
{ TWin32WSSplitter }
TWin32WSSplitter = class(TWSSplitter)
published
end;
{ TWin32WSPaintBox }
TWin32WSPaintBox = class(TWSPaintBox)
published
end;
{ TWin32WSCustomImage }
TWin32WSCustomImage = class(TWSCustomImage)
published
end;
{ TWin32WSImage }
TWin32WSImage = class(TWSImage)
published
end;
{ TWin32WSBevel }
TWin32WSBevel = class(TWSBevel)
published
end;
{ TWin32WSCustomRadioGroup }
TWin32WSCustomRadioGroup = class(TWSCustomRadioGroup)
published
end;
{ TWin32WSRadioGroup }
TWin32WSRadioGroup = class(TWSRadioGroup)
published
end;
{ TWin32WSCustomCheckGroup }
TWin32WSCustomCheckGroup = class(TWSCustomCheckGroup)
published
end;
{ TWin32WSCheckGroup }
TWin32WSCheckGroup = class(TWSCheckGroup)
published
end;
{ TWin32WSCustomLabeledEdit }
TWin32WSCustomLabeledEdit = class(TWSCustomLabeledEdit)
published
end;
{ TWin32WSLabeledEdit }
TWin32WSLabeledEdit = class(TWSLabeledEdit)
published
end;
{ TWin32WSCustomPanel }
TWin32WSCustomPanel = class(TWSCustomPanel)
published
class function CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND; override;
end;
{ TWin32WSPanel }
TWin32WSPanel = class(TWSPanel)
published
end;
{ TWin32WSCustomTrayIcon }
TWin32WSCustomTrayIcon = class(TWSCustomTrayIcon)
published
class function Hide(const ATrayIcon: TCustomTrayIcon): Boolean; override;
class function Show(const ATrayIcon: TCustomTrayIcon): Boolean; override;
class procedure InternalUpdate(const ATrayIcon: TCustomTrayIcon); override;
class function ShowBalloonHint(const ATrayIcon: TCustomTrayIcon): Boolean; override;
class function GetPosition(const ATrayIcon: TCustomTrayIcon): TPoint; override;
end;
procedure NotebookFocusNewControl(const ANotebook: TCustomNotebook; NewIndex: integer);
function NotebookPageRealToLCLIndex(const ANotebook: TCustomNotebook; AIndex: integer): integer;
implementation
uses
Forms, LMessages, ShellAPI;
type
TCustomPageAccess = class(TCustomPage)
end;
function IsNotebookGroupFocused(const ANotebook: TCustomNotebook): boolean;
var
lNotebookHandle, lWindow: HWND;
begin
result := false;
if not ANotebook.HandleAllocated then exit;
lNotebookHandle := ANotebook.Handle;
lWindow := Windows.GetFocus;
while (lWindow <> 0) and (lWindow <> lNotebookHandle) do
lWindow := Windows.GetParent(lWindow);
if lWindow = 0 then exit;
result := true;
end;
{ sets focus to a control on the newly focused tab page }
procedure NotebookFocusNewControl(const ANotebook: TCustomNotebook; NewIndex: integer);
var
Page: TCustomPage;
AWinControl: TWinControl;
ParentForm: TCustomForm;
begin
{ see if currently focused control is within notebook }
if not IsNotebookGroupFocused(ANotebook) then exit;
{ focus was/is within notebook, pick a new control to focus }
Page := ANotebook.CustomPage(NewIndex);
ParentForm := GetParentForm(ANotebook);
if ParentForm <> nil then
begin
if ANotebook.ContainsControl(ParentForm.ActiveControl) and (ParentForm.ActiveControl <> ANotebook) then
begin
AWinControl := nil;
if Page.CanFocus then
AWinControl := TCustomPageAccess(Page).FindNextControl(nil, True, True, False);
// if nothing to focus then focus notebook then we can traverse pages by keys
if AWinControl = nil then
AWinControl := ANotebook;
AWinControl.SetFocus;
end;
end;
end;
function NotebookPageRealToLCLIndex(const ANotebook: TCustomNotebook; AIndex: integer): integer;
var
I: Integer;
begin
Result := AIndex;
if csDesigning in ANotebook.ComponentState then exit;
I := 0;
while (I < ANotebook.PageCount) and (I <= Result) do
begin
if not ANotebook.Page[I].TabVisible then Inc(Result);
Inc(I);
end;
end;
function PageWindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
LParam: Windows.LParam): LResult; stdcall;
begin
if Msg = WM_THEMECHANGED then
begin
ThemeServices.UpdateThemes;
TWin32WSCustomPage.ThemeChange(Window);
end;
Result := WindowProc(Window, Msg, WParam, LParam);
end;
{ TWin32WSCustomPage }
class function TWin32WSCustomPage.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND;
var
Params: TCreateWindowExParams;
begin
// general initialization of Params
PrepareCreateWindow(AWinControl, Params);
// customization of Params
with Params do
begin
pClassName := @ClsName[0];
Flags := Flags and not WS_VISIBLE;
SubClassWndProc := @PageWindowProc;
end;
// create window
FinishCreateWindow(AWinControl, Params, false);
// return window handle
Result := Params.Window;
ThemeChange(Result);
end;
class procedure TWin32WSCustomPage.DestroyHandle(const AWinControl: TWinControl);
var
PageIndex, RealIndex: integer;
PageControlHandle: HWND;
begin
// remove tab from pagecontrol only if not pfRemoving is set
// if pfRemoving is set then Tab has been deleted by RemovePage
if (AWinControl.Parent <> nil) and (AWinControl.Parent.HandleAllocated) and
not (pfRemoving in TCustomPageAccess(AWinControl).Flags) then
begin
PageControlHandle := AWinControl.Parent.Handle;
PageIndex := TCustomPage(AWinControl).PageIndex;
RealIndex := TWin32WSCustomNotebook.GetPageRealIndex(TCustomNotebook(AWinControl.Parent), PageIndex);
if RealIndex <> -1 then
Windows.SendMessage(PageControlHandle, TCM_DELETEITEM,
Windows.WPARAM(RealIndex), 0);
end;
TWSWinControlClass(ClassParent).DestroyHandle(AWinControl);
end;
class procedure TWin32WSCustomPage.ThemeChange(Wnd: HWnd);
var
WindowInfo: PWindowInfo;
begin
WindowInfo := GetWindowInfo(Wnd);
if WindowInfo <> nil then
begin
with WindowInfo^ do
begin
needParentPaint := ThemeServices.ThemesEnabled;
isTabPage := ThemeServices.ThemesEnabled;
end;
end;
end;
class procedure TWin32WSCustomPage.SetText(const AWinControl: TWinControl; const AText: string);
var
TCI: TC_ITEM;
PageIndex, RealIndex: integer;
NotebookHandle: HWND;
begin
PageIndex := TCustomPage(AWinControl).PageIndex;
RealIndex := TWin32WSCustomNotebook.GetPageRealIndex(TCustomNotebook(AWinControl.Parent), PageIndex);
NotebookHandle := AWinControl.Parent.Handle;
// We can't set label of a page not yet added,
// Check for valid page index
if (RealIndex >= 0) and (RealIndex < Windows.SendMessage(NotebookHandle, TCM_GETITEMCOUNT, 0, 0)) then
begin
// retrieve page handle from tab as extra check (in case page isn't added yet).
TCI.mask := TCIF_PARAM;
Windows.SendMessage(NotebookHandle, TCM_GETITEM, RealIndex, LPARAM(@TCI));
if PtrUInt(TCI.lParam) = PtrUInt(AWinControl) then
begin
Assert(False, Format('Trace:TWin32WSCustomPage.SetText --> %S', [AText]));
TCI.mask := TCIF_TEXT;
{$ifdef WindowsUnicodeSupport}
if UnicodeEnabledOS then
begin
TCI.pszText := PChar(PWideChar(UTF8ToUTF16(AText)));
Windows.SendMessage(NotebookHandle, TCM_SETITEMW, RealIndex, LPARAM(@TCI));
end
else
begin
TCI.pszText := PChar(UTF8ToAnsi(AText));
Windows.SendMessage(NotebookHandle, TCM_SETITEM, RealIndex, LPARAM(@TCI));
end;
{$else}
TCI.pszText := PChar(AText);
Windows.SendMessage(NotebookHandle, TCM_SETITEM, RealIndex, LPARAM(@TCI));
{$endif}
end;
end;
end;
class procedure TWin32WSCustomPage.UpdateProperties(const ACustomPage: TCustomPage);
var
TCI: TC_ITEM;
PageIndex, RealIndex: integer;
NotebookHandle: HWND;
begin
PageIndex := ACustomPage.PageIndex;
RealIndex := TWin32WSCustomNotebook.GetPageRealIndex(TCustomNotebook(ACustomPage.Parent), PageIndex);
NotebookHandle := ACustomPage.Parent.Handle;
// Check for valid page index
if (RealIndex >= 0) and (RealIndex < Windows.SendMessage(NotebookHandle, TCM_GETITEMCOUNT,0,0)) then
begin
// retrieve page handle from tab as extra check (in case page isn't added yet).
TCI.mask := TCIF_PARAM;
Windows.SendMessage(NotebookHandle, TCM_GETITEM, RealIndex, LPARAM(@TCI));
if PtrUInt(TCI.lParam) = PtrUInt(ACustomPage) then
begin
TCI.mask := TCIF_IMAGE;
TCI.iImage := TCustomNotebook(ACustomPage.Parent).GetImageIndex(PageIndex);
Windows.SendMessage(NotebookHandle, TCM_SETITEM, RealIndex, LPARAM(@TCI));
end;
end;
end;
{ TWin32WSCustomNotebook }
class function TWin32WSCustomNotebook.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND;
var
Params: TCreateWindowExParams;
begin
// general initialization of Params
PrepareCreateWindow(AWinControl, Params);
// customization of Params
with Params do
begin
case TCustomNoteBook(AWinControl).TabPosition of
tpTop:
Flags := Flags and not(TCS_VERTICAL or TCS_MULTILINE or TCS_BOTTOM);
tpBottom:
Flags := (Flags or TCS_BOTTOM) and not (TCS_VERTICAL or TCS_MULTILINE);
tpLeft:
Flags := (Flags or TCS_VERTICAL or TCS_MULTILINE) and not TCS_RIGHT;
tpRight:
Flags := Flags or (TCS_VERTICAL or TCS_RIGHT or TCS_MULTILINE);
end;
if nboMultiLine in TCustomNotebook(AWinControl).Options then
Flags := Flags or TCS_MULTILINE;
pClassName := WC_TABCONTROL;
end;
// create window
FinishCreateWindow(AWinControl, Params, false);
Result := Params.Window;
if TCustomNoteBook(AWinControl).Images <> nil then
SendMessage(Result, TCM_SETIMAGELIST, 0, TCustomNoteBook(AWinControl).Images.Reference._Handle);
// although we may be child of tabpage, cut the paint chain
// to improve speed and possible paint anomalities
Params.WindowInfo^.needParentPaint := false;
end;
class procedure TWin32WSCustomNotebook.AddPage(const ANotebook: TCustomNotebook;
const AChild: TCustomPage; const AIndex: integer);
var
TCI: TC_ITEM;
begin
with ANotebook do
begin
// other widgetsets allocates handles because they really need this
// but on windows page handle is differ from tab and thus allocation can be
// postponed, but this cause problems with event handling like bug #0012434
// so to overcome such problems we need to allocate this handle
AChild.HandleNeeded;
if ShowTabs then
begin
TCI.Mask := TCIF_TEXT or TCIF_PARAM or TCIF_IMAGE;
// store object as extra, so we can verify we got the right page later
TCI.lParam := PtrUInt(AChild);
TCI.iImage := ANotebook.GetImageIndex(NotebookPageRealToLCLIndex(ANotebook, AIndex));
{$ifdef WindowsUnicodeSupport}
if UnicodeEnabledOS then
begin
TCI.pszText := PChar(PWideChar(UTF8ToUTF16(AChild.Caption)));
Windows.SendMessage(Handle, TCM_INSERTITEMW, AIndex, LPARAM(@TCI));
end
else
begin
TCI.pszText := PChar(Utf8ToAnsi(AChild.Caption));
Windows.SendMessage(Handle, TCM_INSERTITEM, AIndex, LPARAM(@TCI));
end;
{$else}
TCI.pszText := PChar(AChild.Caption);
Windows.SendMessage(Handle, TCM_INSERTITEM, AIndex, LPARAM(@TCI));
{$endif}
end;
// clientrect possible changed, adding first tab, or deleting last
// windows should send a WM_SIZE message because of this, but it doesn't
// send it ourselves
LCLControlSizeNeedsUpdate(ANotebook, True);
end;
end;
class procedure TWin32WSCustomNotebook.MovePage(const ANotebook: TCustomNotebook;
const AChild: TCustomPage; const NewIndex: integer);
begin
RemovePage(ANotebook, AChild.PageIndex);
AddPage(ANotebook,AChild,NewIndex);
end;
class procedure TWin32WSCustomNotebook.RemovePage(const ANotebook: TCustomNotebook;
const AIndex: integer);
begin
Windows.SendMessage(ANotebook.Handle, TCM_DELETEITEM, Windows.WPARAM(AIndex), 0);
end;
{ -----------------------------------------------------------------------------
Method: AddAllNBPages
Params: Notebook - A notebook control
Returns: Nothing
Adds all pages to notebook (showtabs becomes true)
------------------------------------------------------------------------------}
class procedure TWin32WSCustomNotebook.AddAllNBPages(const ANotebook: TCustomNotebook);
var
TCI: TC_ITEM;
I, Res, RealIndex: Integer;
APage: TCustomPage;
WinHandle: HWND;
begin
WinHandle := ANotebook.Handle;
RealIndex := 0;
for I := 0 to ANotebook.PageCount - 1 do
begin
APage := ANotebook.Page[I];
if not APage.TabVisible and not (csDesigning in APage.ComponentState) then
continue;
// check if already shown
TCI.Mask := TCIF_PARAM;
Res := Windows.SendMessage(ANotebook.Handle, TCM_GETITEM, RealIndex, LPARAM(@TCI));
if (Res = 0) or (PtrUInt(TCI.lParam) <> PtrUInt(APage)) then
begin
TCI.Mask := TCIF_TEXT or TCIF_PARAM or TCIF_IMAGE;
TCI.lParam := PtrUInt(APage);
TCI.iImage := ANotebook.GetImageIndex(I);
{$ifdef WindowsUnicodeSupport}
if UnicodeEnabledOS then
begin
TCI.pszText := PChar(PWideChar(UTF8ToUTF16(APage.Caption)));
Windows.SendMessage(WinHandle, TCM_INSERTITEMW, RealIndex, LPARAM(@TCI));
end
else
begin
TCI.pszText := PChar(Utf8ToAnsi(APage.Caption));
Windows.SendMessage(WinHandle, TCM_INSERTITEM, RealIndex, LPARAM(@TCI));
end;
{$else}
TCI.pszText := PChar(APage.Caption);
Windows.SendMessage(WinHandle, TCM_INSERTITEM, RealIndex, LPARAM(@TCI));
{$endif}
end;
Inc(RealIndex);
end;
AdjustSizeNotebookPages(ANotebook);
end;
class procedure TWin32WSCustomNotebook.AdjustSizeNotebookPages(const ANotebook: TCustomNotebook);
var
I: Integer;
R: TRect;
WinHandle: HWND;
lPage: TCustomPage;
begin
WinHandle := ANotebook.Handle;
// Adjust page size to fit in tabcontrol, need bounds of notebook in client of parent
TWin32WidgetSet(WidgetSet).GetClientRect(WinHandle, R);
R.Right := R.Right - R.Left;
R.Bottom := R.Bottom - R.Top;
for I := 0 to ANotebook.PageCount - 1 do
begin
lPage := ANotebook.Page[I];
// we don't need to resize non-existing pages yet, they will be sized when created
if lPage.HandleAllocated then
SetBounds(lPage, R.Left, R.Top, R.Right, R.Bottom);
end;
end;
{------------------------------------------------------------------------------
Method: RemoveAllNBPages
Params: Notebook - The notebook control
Returns: Nothing
Removes all pages from a notebook control (showtabs becomes false)
------------------------------------------------------------------------------}
class procedure TWin32WSCustomNotebook.RemoveAllNBPages(const ANotebook: TCustomNotebook);
var
I: Integer;
WinHandle: HWND;
begin
WinHandle := ANotebook.Handle;
for I := ANotebook.PageCount - 1 downto 0 do
Windows.SendMessage(WinHandle, TCM_DELETEITEM, Windows.WPARAM(I), 0);
AdjustSizeNotebookPages(ANotebook);
end;
class function TWin32WSCustomNotebook.GetPageRealIndex(const ANotebook: TCustomNotebook; AIndex: Integer): Integer;
var
X: Integer;
begin
Result := AIndex;
if csDesigning in ANotebook.ComponentState then exit;
for X := 0 to AIndex - 1 do
if ANotebook.Page[X].TabVisible = False then Dec(Result);
end;
procedure SendSelChangeMessage(const ANotebook: TCustomNotebook; const AHandle: HWND;
const APageIndex: integer);
var
Mess: TLMNotify;
NMHdr: tagNMHDR;
begin
FillChar(Mess,SizeOf(Mess),0);
Mess.Msg := LM_NOTIFY;
FillChar(NMHdr,SizeOf(NMHdr),0);
NMHdr.code := TCN_SELCHANGE;
NMHdr.hwndfrom := AHandle;
NMHdr.idfrom := APageIndex; //use this to set pageindex to the correct page.
Mess.NMHdr := @NMHdr;
DeliverMessage(ANotebook, TLMessage(Mess));
end;
class function TWin32WSCustomNotebook.GetTabIndexAtPos(const ANotebook: TCustomNotebook;
const AClientPos: TPoint): integer;
var
hittestInfo: TC_HITTESTINFO;
Orect: TRect;
begin
GetLCLClientBoundsOffset(ANotebook, ORect);
hittestInfo.pt.x := AClientPos.x + ORect.Left;
hittestInfo.pt.y := AClientPos.y + ORect.Top;
Result := Windows.SendMessage(ANotebook.Handle, TCM_HITTEST, 0, LPARAM(@hittestInfo));
end;
class function TWin32WSCustomNotebook.GetCapabilities: TNoteBookCapabilities;
begin
Result:=[nbcMultiLine];
end;
class function TWin32WSCustomNotebook.GetDesignInteractive(
const AWinControl: TWinControl; AClientPos: TPoint): Boolean;
var
hittestInfo: TC_HITTESTINFO;
AIndex, ACurIndex: Integer;
begin
hittestInfo.pt.x := AClientPos.x;
hittestInfo.pt.y := AClientPos.y;
AIndex := Windows.SendMessage(AWinControl.Handle, TCM_HITTEST, 0, LPARAM(@hittestInfo));
ACurIndex := SendMessage(AWinControl.Handle, TCM_GETCURSEL, 0, 0);
Result := (AIndex <> -1) and (AIndex <> ACurIndex);
end;
class procedure TWin32WSCustomNotebook.SetImageList(
const ANotebook: TCustomNotebook; const AImageList: TCustomImageList);
begin
if not WSCheckHandleAllocated(ANotebook, 'SetImageList') then
Exit;
if AImageList <> nil then
SendMessage(ANoteBook.Handle, TCM_SETIMAGELIST, 0, AImageList.Reference._Handle)
else
SendMessage(ANoteBook.Handle, TCM_SETIMAGELIST, 0, 0);
end;
class procedure TWin32WSCustomNotebook.SetPageIndex(const ANotebook: TCustomNotebook; const AIndex: integer);
var
Handle: HWND;
PageHandle: HWND;
OldIndex, OldRealIndex, NewRealIndex: Integer;
begin
Handle := ANotebook.Handle;
OldRealIndex := SendMessage(Handle, TCM_GETCURSEL, 0, 0);
OldIndex := NotebookPageRealToLCLIndex(ANotebook, OldRealIndex);
NewRealIndex := GetPageRealIndex(ANotebook, AIndex);
SendMessage(Handle, TCM_SETCURSEL, Windows.WParam(NewRealIndex), 0);
if not (csDestroying in ANotebook.ComponentState) then
begin
// create handle if not already done, need to show!
if (AIndex >= 0) and (AIndex < ANotebook.PageCount) then
begin
PageHandle := ANotebook.CustomPage(AIndex).Handle;
SetWindowPos(PageHandle, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE or SWP_NOSIZE or SWP_SHOWWINDOW);
SendSelChangeMessage(ANotebook, Handle, AIndex);
NotebookFocusNewControl(ANotebook, AIndex);
end;
if (OldIndex >= 0) and (OldIndex <> AIndex) and
(OldIndex < ANotebook.PageCount) and
(ANotebook.CustomPage(OldIndex).HandleAllocated) then
ShowWindow(ANotebook.CustomPage(OldIndex).Handle, SW_HIDE);
end;
end;
class procedure TWin32WSCustomNotebook.SetTabPosition(const ANotebook: TCustomNotebook; const ATabPosition: TTabPosition);
begin
if ANoteBook.HandleAllocated then
RecreateWnd(ANoteBook);
end;
class procedure TWin32WSCustomNotebook.ShowTabs(const ANotebook: TCustomNotebook; AShowTabs: boolean);
begin
if AShowTabs then
AddAllNBPages(ANotebook)
else
RemoveAllNBPages(ANotebook);
end;
class procedure TWin32WSCustomNotebook.UpdateProperties(
const ANotebook: TCustomNotebook);
var
currentStyle: cardinal;
begin
currentStyle := GetWindowLong(ANotebook.Handle, GWL_STYLE);
if nboMultiLine in ANotebook.Options then
SetWindowLong(ANotebook.Handle, GWL_STYLE, currentStyle or TCS_MULTILINE)
else
SetWindowLong(ANotebook.Handle, GWL_STYLE, currentStyle and not TCS_MULTILINE)
end;
{ TWin32WSCustomPanel }
class function TWin32WSCustomPanel.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): HWND;
var
Params: TCreateWindowExParams;
begin
// general initialization of Params
PrepareCreateWindow(AWinControl, Params);
// customization of Params
with Params do
begin
pClassName := @ClsName[0];
SubClassWndProc := nil;
end;
// create window
FinishCreateWindow(AWinControl, Params, false);
Result := Params.Window;
end;
{$include win32trayicon.inc}
initialization
////////////////////////////////////////////////////
// I M P O R T A N T
////////////////////////////////////////////////////
// To improve speed, register only classes
// which actually implement something
////////////////////////////////////////////////////
RegisterWSComponent(TCustomPage, TWin32WSCustomPage);
RegisterWSComponent(TCustomNotebook, TWin32WSCustomNotebook);
// RegisterWSComponent(TPage, TWin32WSPage);
// RegisterWSComponent(TNotebook, TWin32WSNotebook);
// RegisterWSComponent(TShape, TWin32WSShape);
// RegisterWSComponent(TCustomSplitter, TWin32WSCustomSplitter);
// RegisterWSComponent(TSplitter, TWin32WSSplitter);
// RegisterWSComponent(TPaintBox, TWin32WSPaintBox);
// RegisterWSComponent(TCustomImage, TWin32WSCustomImage);
// RegisterWSComponent(TImage, TWin32WSImage);
// RegisterWSComponent(TBevel, TWin32WSBevel);
// RegisterWSComponent(TCustomRadioGroup, TWin32WSCustomRadioGroup);
// RegisterWSComponent(TRadioGroup, TWin32WSRadioGroup);
// RegisterWSComponent(TCustomCheckGroup, TWin32WSCustomCheckGroup);
// RegisterWSComponent(TCheckGroup, TWin32WSCheckGroup);
// RegisterWSComponent(TCustomLabeledEdit, TWin32WSCustomLabeledEdit);
// RegisterWSComponent(TLabeledEdit, TWin32WSLabeledEdit);
RegisterWSComponent(TCustomPanel, TWin32WSCustomPanel);
// RegisterWSComponent(TPanel, TWin32WSPanel);
RegisterWSComponent(TCustomTrayIcon, TWin32WSCustomTrayIcon);
////////////////////////////////////////////////////
end.