// **************************************************************************************************
//
// Unit Vcl.Styles.Hooks
// unit for the VCL Styles Utils
// https://github.com/RRUZ/vcl-styles-utils/
//
// The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License");
// you may not use this file except in compliance with the License. You may obtain a copy of the
// License at http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
// ANY KIND, either express or implied. See the License for the specific language governing rights
// and limitations under the License.
//
// The Original Code is Vcl.Styles.Hooks.pas.
//
// The Initial Developer of the Original Code is Rodrigo Ruz V.
//
// Portions created by Rodrigo Ruz V. are Copyright (C) 2013-2020 Rodrigo Ruz V.
//
// Contributor(s): Mahdi Safsafi.
//
// All Rights Reserved.
//
// **************************************************************************************************
unit Vcl.Styles.Hooks;
interface
uses
WinApi.Windows;
implementation
{$I VCL.Styles.Utils.inc}
uses
DDetours,
System.SyncObjs,
System.SysUtils,
System.Types,
System.UITypes,
System.Classes,
System.Generics.Collections,
System.StrUtils,
WinApi.Messages,
WinApi.UXTheme,
Vcl.Graphics,
Vcl.Styles.Utils.Graphics,
{$IFDEF HOOK_UXTHEME}
Vcl.Styles.UxTheme,
{$ENDIF HOOK_UXTHEME}
Vcl.Styles.Utils.SysControls,
Vcl.Styles.FontAwesome,
Vcl.Forms,
Vcl.Controls,
Vcl.StdCtrls,
Vcl.ComCtrls,
Vcl.Themes,
Vcl.Styles.Utils.Misc;
type
TListStyleBrush = class(TDictionary<Integer, HBRUSH>)
protected
procedure ValueNotify(const Value: HBRUSH; Action: TCollectionNotification); override;
end;
TSetStyle = procedure(Style: TCustomStyleServices) of object;
TMonthCalendarClass = class(TMonthCalendar);
TCommonCalendarClass = class(TCommonCalendar);
var
VCLStylesBrush: TObjectDictionary<string, TListStyleBrush>;
VCLStylesLock: TCriticalSection = nil;
LSetStylePtr: TSetStyle;
Trampoline_SetStyle : procedure(Self: TObject; Style: TCustomStyleServices);
Trampoline_user32_FillRect : function(hDC: hDC; const lprc: TRect; hbr: HBRUSH): Integer; stdcall;
Trampoline_user32_DrawEdge : function(hDC: hDC; var qrc: TRect; edge: UINT; grfFlags: UINT): BOOL; stdcall = nil;
Trampoline_user32_DrawFrameControl : function (DC: HDC; Rect: PRect; uType, uState: UINT): BOOL; stdcall = nil;
Trampoline_user32_LoadIconW : function (hInstance: HINST; lpIconName: PWideChar): HICON; stdcall = nil;
Trampoline_user32_GetSysColorBrush: function(nIndex: Integer): HBRUSH; stdcall;
{$IFDEF HOOK_UXTHEME}
Trampoline_user32_LoadImageW: function (hInst: HINST; ImageName: LPCWSTR; ImageType: UINT; X, Y: Integer; Flags: UINT): THandle; stdcall = nil;
{$ELSE}
Trampoline_user32_GetSysColor: function(nIndex: Integer): DWORD; stdcall;
{$ENDIF HOOK_UXTHEME}
{$IFDEF HOOK_TDateTimePicker}
{$IF CompilerVersion>=29}
Trampoline_SetWindowTheme: function(hwnd: HWND; pszSubAppName: LPCWSTR; pszSubIdList: LPCWSTR): HRESULT; stdcall;
{$IFEND CompilerVersion}
{$ENDIF HOOK_TDateTimePicker}
function Detour_DrawEdge(hDC: hDC; var qrc: TRect; edge: UINT; grfFlags: UINT): BOOL; stdcall;
var
CanDraw: Boolean;
SaveIndex: Integer;
begin
if not(ExecutingInMainThread) then
Exit(Trampoline_user32_DrawEdge(hDC, qrc, edge, grfFlags));
CanDraw := (not StyleServices.IsSystemStyle) and (TSysStyleManager.Enabled);
if (CanDraw) and (edge <> BDR_OUTER) and (edge <> BDR_INNER) then
begin
SaveIndex := SaveDC(hDC);
try
DrawStyleEdge(hDC, qrc, TStyleElementEdges(edge), TStyleElementEdgeFlags(grfFlags));
finally
RestoreDC(hDC, SaveIndex);
end;
Exit(True);
end;
Exit(Trampoline_user32_DrawEdge(hDC, qrc, edge, grfFlags));
end;
function Detour_FillRect(hDC: hDC; const lprc: TRect; hbr: HBRUSH): Integer; stdcall;
begin
if not(ExecutingInMainThread) or StyleServices.IsSystemStyle or not(TSysStyleManager.Enabled) then
Exit(Trampoline_user32_FillRect(hDC, lprc, hbr))
else if (hbr > 0) and (hbr < COLOR_ENDCOLORS + 1) then
Exit(Trampoline_user32_FillRect(hDC, lprc, GetSysColorBrush(hbr - 1)))
else
Exit(Trampoline_user32_FillRect(hDC, lprc, hbr));
end;
function Detour_GetSysColor(nIndex: Integer): DWORD; stdcall;
begin
if not(ExecutingInMainThread) or StyleServices.IsSystemStyle or not(TSysStyleManager.Enabled) then
Result := Trampoline_user32_GetSysColor(nIndex)
else if nIndex = COLOR_HOTLIGHT then
Result := DWORD(StyleServices.GetSystemColor(clHighlight))
else
Result := DWORD(StyleServices.GetSystemColor(TColor(nIndex or Integer($FF000000))));
end;
function Detour_GetSysColorBrush(nIndex: Integer): HBRUSH; stdcall;
var
LCurrentStyleBrush: TListStyleBrush;
LBrush: HBRUSH;
LColor: TColor;
begin
if not(ExecutingInMainThread) then
Exit(Trampoline_user32_GetSysColorBrush(nIndex));
{
The reason to change the previous code implementation
is that the win32 graphics may differ with the VCL graphics:
Eg: TColor is signed in VCL and Unsigned in Win32Api.
When hooking : keep always using the native way !
Need Color ?
Use GetObject with LOGBRUSH ! or use TBrushColorPair !
}
VCLStylesLock.Enter;
try
if StyleServices.IsSystemStyle or not TSysStyleManager.Enabled then
Exit(Trampoline_user32_GetSysColorBrush(nIndex))
else
begin
if VCLStylesBrush.ContainsKey(StyleServices.Name) then
LCurrentStyleBrush := VCLStylesBrush.Items[StyleServices.Name]
else
begin
VCLStylesBrush.Add(StyleServices.Name, TListStyleBrush.Create());
LCurrentStyleBrush := VCLStylesBrush.Items[StyleServices.Name];
end;
if Assigned(LCurrentStyleBrush) then
begin
if LCurrentStyleBrush.ContainsKey(nIndex) then
Exit(LCurrentStyleBrush[nIndex])
else
begin
if nIndex = COLOR_HOTLIGHT then
LColor := StyleServices.GetSystemColor(clHighlight)
else
LColor := StyleServices.GetSystemColor(TColor(nIndex or Integer($FF000000)));
LBrush := CreateSolidBrush(LColor);
LCurrentStyleBrush.Add(nIndex, LBrush);
Exit(LBrush);
end;
end;
Exit(Trampoline_user32_GetSysColorBrush(nIndex));
end;
finally
VCLStylesLock.Leave;
end;
end;
procedure Detour_SetStyle(Self: TObject; Style: TCustomStyleServices);
var
I: Integer;
LActiveStyle: TCustomStyleServices;
begin
if not(ExecutingInMainThread) then
begin
Trampoline_SetStyle(Self, Style);
exit;
end;
LActiveStyle := TStyleManager.ActiveStyle;
Trampoline_SetStyle(Self, Style);
if (Style <> LActiveStyle) then
begin
for I := 0 to Screen.FormCount - 1 do
if Screen.Forms[I].HandleAllocated then
SendMessage(Screen.Forms[I].Handle, WM_SYSCOLORCHANGE, 0, 0);
end;
end;
//based on JvThemes.DrawThemedFrameControl
function Detour_WinApi_DrawFrameControl(DC: HDC; Rect: PRect; uType, uState: UINT): BOOL; stdcall;
const
Mask = $00FF;
var
LRect: TRect;
LDetails: TThemedElementDetails;
CanDraw : Boolean;
LThemedButton: TThemedButton;
LThemedComboBox: TThemedComboBox;
LThemedScrollBar: TThemedScrollBar;
begin
if not(ExecutingInMainThread) then
Exit(Trampoline_user32_DrawFrameControl(DC, Rect, uType, uState));
Result := False;
CanDraw:= (not StyleServices.IsSystemStyle) and (TSysStyleManager.Enabled) and (Rect <> nil);
if CanDraw then
begin
LRect := Rect^;
case uType of
DFC_BUTTON:
case uState and Mask of
DFCS_BUTTONPUSH:
begin
if uState and (DFCS_TRANSPARENT or DFCS_FLAT) = 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedButton := tbPushButtonDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedButton := tbPushButtonPressed
else
if uState and DFCS_HOT <> 0 then
LThemedButton := tbPushButtonHot
else
if uState and DFCS_MONO <> 0 then
LThemedButton := tbPushButtonDefaulted
else
LThemedButton := tbPushButtonNormal;
LDetails := StyleServices.GetElementDetails(LThemedButton);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
end;
DFCS_BUTTONCHECK:
begin
if uState and DFCS_CHECKED <> 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedButton := tbCheckBoxCheckedDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedButton := tbCheckBoxCheckedPressed
else
if uState and DFCS_HOT <> 0 then
LThemedButton := tbCheckBoxCheckedHot
else
LThemedButton := tbCheckBoxCheckedNormal;
end
else
if uState and DFCS_MONO <> 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedButton := tbCheckBoxMixedDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedButton := tbCheckBoxMixedPressed
else
if uState and DFCS_HOT <> 0 then
LThemedButton := tbCheckBoxMixedHot
else
LThemedButton := tbCheckBoxMixedNormal;
end
else
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedButton := tbCheckBoxUncheckedDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedButton := tbCheckBoxUncheckedPressed
else
if uState and DFCS_HOT <> 0 then
LThemedButton := tbCheckBoxUncheckedHot
else
LThemedButton := tbCheckBoxUncheckedNormal;
end;
LDetails := StyleServices.GetElementDetails(LThemedButton);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
DFCS_BUTTONRADIO:
begin
if uState and DFCS_CHECKED <> 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedButton := tbRadioButtonCheckedDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedButton := tbRadioButtonCheckedPressed
else
if uState and DFCS_HOT <> 0 then
LThemedButton := tbRadioButtonCheckedHot
else
LThemedButton := tbRadioButtonCheckedNormal;
end
else
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedButton := tbRadioButtonUncheckedDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedButton := tbRadioButtonUncheckedPressed
else
if uState and DFCS_HOT <> 0 then
LThemedButton := tbRadioButtonUncheckedHot
else
LThemedButton := tbRadioButtonUncheckedNormal;
end;
LDetails := StyleServices.GetElementDetails(LThemedButton);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
end;
DFC_SCROLL:
begin
case uState and Mask of
DFCS_SCROLLCOMBOBOX:
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedComboBox := tcDropDownButtonDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedComboBox := tcDropDownButtonPressed
else
if uState and DFCS_HOT <> 0 then
LThemedComboBox := tcDropDownButtonHot
else
LThemedComboBox := tcDropDownButtonNormal;
LDetails := StyleServices.GetElementDetails(LThemedComboBox);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
DFCS_SCROLLUP:
if uState and (DFCS_TRANSPARENT {or DFCS_FLAT}) = 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedScrollBar := tsArrowBtnUpDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedScrollBar := tsArrowBtnUpPressed
else
if uState and DFCS_HOT <> 0 then
LThemedScrollBar := tsArrowBtnUpHot
else
LThemedScrollBar := tsArrowBtnUpNormal;
LDetails := StyleServices.GetElementDetails(LThemedScrollBar);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
DFCS_SCROLLDOWN:
if uState and (DFCS_TRANSPARENT {or DFCS_FLAT}) = 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedScrollBar := tsArrowBtnDownDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedScrollBar := tsArrowBtnDownPressed
else
if uState and DFCS_HOT <> 0 then
LThemedScrollBar := tsArrowBtnDownHot
else
LThemedScrollBar := tsArrowBtnDownNormal;
LDetails := StyleServices.GetElementDetails(LThemedScrollBar);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
DFCS_SCROLLLEFT:
if uState and (DFCS_TRANSPARENT {or DFCS_FLAT}) = 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedScrollBar := tsArrowBtnLeftDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedScrollBar := tsArrowBtnLeftPressed
else
if uState and DFCS_HOT <> 0 then
LThemedScrollBar := tsArrowBtnLeftHot
else
LThemedScrollBar := tsArrowBtnLeftNormal;
LDetails := StyleServices.GetElementDetails(LThemedScrollBar);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
DFCS_SCROLLRIGHT:
if uState and (DFCS_TRANSPARENT {or DFCS_FLAT}) = 0 then
begin
if uState and DFCS_INACTIVE <> 0 then
LThemedScrollBar := tsArrowBtnRightDisabled
else
if uState and DFCS_PUSHED <> 0 then
LThemedScrollBar := tsArrowBtnRightPressed
else
if uState and DFCS_HOT <> 0 then
LThemedScrollBar := tsArrowBtnRightHot
else
LThemedScrollBar := tsArrowBtnRightNormal;
LDetails := StyleServices.GetElementDetails(LThemedScrollBar);
DrawStyleElement(DC, LDetails, LRect);
Result := True;
end;
end;
end;
end;
end;
if not Result then
Exit(Trampoline_user32_DrawFrameControl(DC, Rect, uType, uState));
end;
function GetStyleHighLightColor : TColor;
begin
if ColorIsBright(StyleServices.GetSystemColor(clBtnFace)) or not ColorIsBright(StyleServices.GetSystemColor(clHighlight)) then
Result := StyleServices.GetSystemColor(clBtnText)
else
Result := StyleServices.GetSystemColor(clHighlight);
end;
function Detour_LoadIconW(_hInstance: HINST; lpIconName: PWideChar): HICON; stdcall;
var
s : string;
LIcon : TIcon;
LHandle : THandle;
MustRelease : Boolean;
procedure DrawIcon(const ACode: Word);
begin
//DestroyIcon(LHandle);
Result := FontAwesome.GetIcon(ACode, LIcon.Width, LIcon.Height, GetStyleHighLightColor, StyleServices.GetSystemColor(clBtnFace), 0);
MustRelease:=False;
end;
begin
if not(ExecutingInMainThread) or
StyleServices.IsSystemStyle or
not(TSysStyleManager.Enabled) or
not(TSysStyleManager.HookDialogIcons) then
Exit(Trampoline_user32_LoadIconW(_hInstance, lpIconName));
if {(_hInstance>0) and (_hInstance<>HInstance) and} IS_INTRESOURCE(lpIconName) then
begin
LIcon := TIcon.Create;
try
MustRelease := True;
LHandle := Trampoline_user32_LoadIconW(_hInstance, lpIconName);
LIcon.Handle := LHandle;
Result := LHandle;
s := IntToStr(NativeUInt(lpIconName));
//OutputDebugString(PChar('Detour_LoadIconW '+s+ ' Module Name '+GetModuleName(_hInstance)+' _hInstance '+IntToHex(_hInstance, 8) ));
case NativeUInt(lpIconName) of
78: DrawIcon(fa_shield);
81: DrawIcon(fa_info_circle);
84: DrawIcon(fa_warning);
98: DrawIcon(fa_minus_circle);
99: DrawIcon(fa_question_circle);
end;
if _hInstance=0 then
case NativeUInt(lpIconName) of
32518 : DrawIcon(fa_shield);
32516 : DrawIcon(fa_info_circle);
32515 : DrawIcon(fa_warning);
32513 : DrawIcon(fa_minus_circle);
32514 : DrawIcon(fa_question_circle);
32517 : DrawIcon(fa_windows);
end;
finally
if MustRelease then
LIcon.ReleaseHandle;
LIcon.Free;
end;
end
else
Exit(Trampoline_user32_LoadIconW(_hInstance, lpIconName));
end;
{$IFDEF HOOK_UXTHEME}
function Detour_LoadImageW(hInst: HINST; ImageName: LPCWSTR; ImageType: UINT; X, Y: Integer; Flags: UINT): THandle; stdcall;
const
ExplorerFrame = 'explorerframe.dll';
var
hModule : WinApi.Windows.HMODULE;
LBitmap : TBitmap;
s : string;
LRect, LRect2 : TRect;
LBackColor, LColor : TColor;
begin
if not(ExecutingInMainThread) or StyleServices.IsSystemStyle or not(TSysStyleManager.Enabled) then
Exit(Trampoline_user32_LoadImageW(hInst, ImageName, ImageType, X, Y, Flags));
//w8 - W10
if (hInst > 0) and (hInst <> HInstance) and (ImageType = IMAGE_ICON) and (X = 16) and (Y = 16) and IS_INTRESOURCE(ImageName) and TOSVersion.Check(6, 2) then
begin
s := IntToStr(NativeUInt(ImageName));
case NativeUInt(ImageName) of
//W8, W10
//comctl32.dll
16817:
begin
Exit(FontAwesome.GetIcon(fa_arrow_up, X, Y, StyleServices.GetSystemColor(clBtnText), StyleServices.GetSystemColor(clBtnFace), 0));
end;
16818:
begin
Exit(FontAwesome.GetIcon(fa_arrow_up, X, Y, StyleServices.GetSystemColor(clGrayText), StyleServices.GetSystemColor(clBtnFace), 0));
end;
//W10
//shell32.dll
5100:
begin
//OutputDebugString(PChar('GetModuleName ' + GetModuleName(hInst)));
Exit(FontAwesome.GetIcon(fa_thumb_tack, 16, 16, 12, 12, StyleServices.GetSystemColor(clGrayText), StyleServices.GetSystemColor(clWindow), -22, iaRight));
//Exit(FontAwesome.GetIcon(fa_check_square_o, 16, 16, StyleServices.GetSystemColor(clWindowText), StyleServices.GetSystemColor(clWindow), 0));
end;
end;
Exit(Trampoline_user32_LoadImageW(hInst, ImageName, ImageType, X, Y, Flags));
end
else
if (hInst > 0) and (ImageType = IMAGE_BITMAP) and (X = 0) and (Y = 0) and IS_INTRESOURCE(ImageName) then
begin
hModule := GetModuleHandle(ExplorerFrame);
if (hModule = hInst) then
begin
s := IntToStr(NativeUInt(ImageName));
Result := Trampoline_user32_LoadImageW(hInst, ImageName, ImageType, X, Y, Flags);
LBitmap := TBitmap.Create;
try
LBitmap.Handle := Result;
//LBitmap.SaveToFile(IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0)))+s+'.bmp');//SaveToFile('C:\Users\Rodrigo\Desktop\vcl-styles-utils\Vcl Styles Utils New Dialogs (Demo App)\Win32\Debug\Images\'+s+'.bmp');
//W8 - W10
if TOSVersion.Check(6, 2) then
begin
LBackColor := StyleServices.GetSystemColor(clWindow);
LRect := Rect(0, 0, LBitmap.Width, LBitmap.Height );
case NativeUInt(ImageName) of
// Right Arrow, cross button, refresh, down arrow
288:
begin
LColor := StyleServices.GetSystemColor(clBtnText);
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
LRect := Rect(0, 0, 16, 16);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_arrow_right, LRect, LColor);
OffsetRect(LRect, 16, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_remove, LRect, LColor);
OffsetRect(LRect, 16, 0);
LRect2 := LRect;
InflateRect(LRect2, -2, -2);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_refresh, LRect2, LColor);
OffsetRect(LRect, 16 + 2, 0);
LRect2 := LRect;
InflateRect(LRect2, -2, -2);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect2, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
else
begin
Bitmap32_Grayscale(LBitmap);
_ProcessBitmap32(LBitmap, StyleServices.GetSystemColor(clHighlight), _BlendBurn)
end;
end;
end
else
//Windows Vista - W7
if (TOSVersion.Major = 6) and ((TOSVersion.Minor = 0) or (TOSVersion.Minor = 1)) then
begin
LBackColor := StyleServices.GetSystemColor(clWindow);
LRect := Rect(0, 0, LBitmap.Width, LBitmap.Height );
case NativeUInt(ImageName) of
//Magnifier
34560..34562, // Aero Enabled
34563..34568: // Classic Theme
begin
LColor := StyleServices.GetSystemColor(clHighlight);
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_search, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
//Bitmap32_SetAlphaByColor(LBitmap, 255, LColor);
end;
//cross button normal
34569..34571, // Aero Enabled
34572..34574: // Classic Theme
begin
LColor:= StyleServices.GetSystemColor(clWindowText);
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_remove, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
//cross button hot
34575..34577, // Aero Enabled
34581..34583, // Aero Enabled
34578..34580: // Classic Theme
begin
LColor := StyleServices.GetSystemColor(clHighlight);
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_remove, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
// Aero Enabled
// Right Arrow, cross button, refresh, down arrow
288:
begin
LColor := StyleServices.GetSystemColor(clBtnText);
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
LRect:=Rect(0, 0, 16, 16);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_arrow_right, LRect, LColor);
OffsetRect(LRect, 16, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_remove, LRect, LColor);
OffsetRect(LRect, 16, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_refresh, LRect, LColor);
OffsetRect(LRect, 16, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
// Classic Theme
// Right Arrow, cross button, refresh, down arrow
289, 290:
begin
LColor := StyleServices.GetSystemColor(clBtnText);
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
LRect:=Rect(0, 0, 21, 21);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_arrow_right, LRect, LColor);
OffsetRect(LRect, 21, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_remove, LRect, LColor);
OffsetRect(LRect, 21, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_refresh, LRect, LColor);
OffsetRect(LRect, 21, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
// Aero Enabled
// navigation buttons (arrows)
577..579,
581:
begin
case NativeUInt(ImageName) of
577 : LColor := StyleServices.GetSystemColor(clBtnText);
578 : LColor := StyleServices.GetSystemColor(clHighlight);
579 : LColor := StyleServices.GetSystemColor(clGrayText);
581 : LColor := StyleServices.GetSystemColor(clBtnText);
else
LColor:= StyleServices.GetSystemColor(clBtnText);
end;
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
LRect := Rect(0, 0, 27, 27);
InflateRect(LRect, -4, -4);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_arrow_left, LRect, LColor);
OffsetRect(LRect, 27 + 4, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_arrow_right, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
//Classic Theme
// navigation buttons (arrows)
582..584:
begin
case NativeUInt(ImageName) of
582 : LColor := StyleServices.GetSystemColor(clBtnText);
583 : LColor := StyleServices.GetSystemColor(clHighlight);
584 : LColor := StyleServices.GetSystemColor(clGrayText);
else
LColor := StyleServices.GetSystemColor(clBtnText);
end;
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
//left arrow
LRect := Rect(0, 0, 25, 25);
InflateRect(LRect, -4, -4);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_arrow_left, LRect, LColor);
//right arrow
OffsetRect(LRect, 25 + 4, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_arrow_right, LRect, LColor);
//dropdown arrow
LRect := Rect(60, 8, 72, 20);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
//Aero Enabled
//background navigation buttons
280:
begin
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
LRect := Rect(0, 8, 12, 20);
LColor := StyleServices.GetSystemColor(clGrayText);
OffsetRect(LRect, 58, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect, LColor);
LColor := StyleServices.GetSystemColor(clBtnText);
OffsetRect(LRect, 70, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect, LColor);
LColor := StyleServices.GetSystemColor(clHighlight);
OffsetRect(LRect, 70, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect, LColor);
LColor := StyleServices.GetSystemColor(clHighlight);
OffsetRect(LRect, 70, 0);
FontAwesome.DrawChar(LBitmap.Canvas.Handle, fa_caret_down, LRect, LColor);
Bitmap32_SetAlphaExceptColor(LBitmap, 255, LBackColor);
end;
//Classic Theme
//background navigation buttons
281:
begin
Bitmap32_SetAlphaAndColor(LBitmap, 1, LBackColor);
end;
end;
end;
LBitmap.ReleaseHandle;
finally
LBitmap.Free;
end;
//OutputDebugString(PChar(Format('Detour_LoadImageW ImageName %s', [s])));
Exit(Result);
end;
end;
Exit(Trampoline_user32_LoadImageW(hInst, ImageName, ImageType, X, Y, Flags));
end;
{$ENDIF HOOK_UXTHEME}
{$IFDEF HOOK_TDateTimePicker}
{$IF CompilerVersion>=29}
function Detour_SetWindowTheme(hwnd: HWND; pszSubAppName: LPCWSTR; pszSubIdList: LPCWSTR): HRESULT; stdcall;
var
LControl : TWinControl;
begin
if not(ExecutingInMainThread) then
Exit(Trampoline_SetWindowTheme(hwnd, pszSubAppName, pszSubIdList));
LControl:= FindControl(hwnd);
if (pszSubAppName = '') and (pszSubIdList = '') and TStyleManager.IsCustomStyleActive and (LControl<>nil) and (LControl is TMonthCalendar) then
Exit(S_OK)
else
Exit(Trampoline_SetWindowTheme(hwnd, pszSubAppName, pszSubIdList));
end;
{$IFEND CompilerVersion}
{$ENDIF HOOK_TDateTimePicker}
//don't hook CreateSolidBrush, because is used internally by GetSysColorBrush
//don't hook CopyImage
{ TListStyleBrush }
//Delete brushes
procedure TListStyleBrush.ValueNotify(const Value: HBRUSH; Action: TCollectionNotification);
begin
inherited;
if Action = TCollectionNotification.cnRemoved then
DeleteObject(Value);
end;
const
themelib = 'uxtheme.dll';
var
hnd: THandle;
initialization
VCLStylesLock := TCriticalSection.Create;
VCLStylesBrush := TObjectDictionary<string, TListStyleBrush>.Create([doOwnsValues]);
if StyleServices.Available then
begin
{$IFDEF HOOK_TDateTimePicker}
TCustomStyleEngine.RegisterStyleHook(TDateTimePicker, TStyleHook);
{$ENDIF HOOK_TDateTimePicker}
{$IFDEF HOOK_TProgressBar}
TCustomStyleEngine.RegisterStyleHook(TProgressBar, TStyleHook);
{$ENDIF HOOK_TProgressBar}
LSetStylePtr := TStyleManager.SetStyle;
hnd := BeginTransaction();
@Trampoline_user32_GetSysColor := InterceptCreate(user32, 'GetSysColor', @Detour_GetSysColor);
@Trampoline_user32_GetSysColorBrush := InterceptCreate(user32, 'GetSysColorBrush', @Detour_GetSysColorBrush);
@Trampoline_user32_FillRect := InterceptCreate(user32, 'FillRect', @Detour_FillRect);
@Trampoline_user32_DrawEdge := InterceptCreate(user32, 'DrawEdge', @Detour_DrawEdge);
@Trampoline_user32_DrawFrameControl := InterceptCreate(user32, 'DrawFrameControl', @Detour_WinApi_DrawFrameControl);
@Trampoline_user32_LoadIconW := InterceptCreate(user32, 'LoadIconW', @Detour_LoadIconW);
{$IFDEF HOOK_UXTHEME}
if TOSVersion.Check(6) then
@Trampoline_user32_LoadImageW := InterceptCreate(user32, 'LoadImageW', @Detour_LoadImageW);
{$ENDIF HOOK_UXTHEME}
@Trampoline_SetStyle := InterceptCreate(@LSetStylePtr, @Detour_SetStyle);
{$IFDEF HOOK_TDateTimePicker}
{$IF CompilerVersion>=29}
//@Trampoline_TMonthCalendar_CreateWnd := InterceptCreate(@TMonthCalendarClass.CreateWnd, @Detour_TMonthCalendar_CreateWnd);
@Trampoline_SetWindowTheme := InterceptCreate(themelib, 'SetWindowTheme', @Detour_SetWindowTheme);
{$IFEND CompilerVersion}
{$ENDIF HOOK_TDateTimePicker}
EndTransaction(hnd);
end;
finalization
hnd := BeginTransaction();
InterceptRemove(@Trampoline_user32_GetSysColor);
InterceptRemove(@Trampoline_user32_GetSysColorBrush);
InterceptRemove(@Trampoline_user32_FillRect);
InterceptRemove(@Trampoline_user32_DrawEdge);
InterceptRemove(@Trampoline_user32_DrawFrameControl);
InterceptRemove(@Trampoline_user32_LoadIconW);
{$IFDEF HOOK_UXTHEME}
if TOSVersion.Check(6) then
InterceptRemove(@Trampoline_user32_LoadImageW);
{$ENDIF HOOK_UXTHEME}
InterceptRemove(@Trampoline_SetStyle);
{$IFDEF HOOK_TDateTimePicker}
{$IF CompilerVersion>=29}
InterceptRemove(@Trampoline_SetWindowTheme);
{$IFEND CompilerVersion}
{$ENDIF HOOK_TDateTimePicker}
EndTransaction(hnd);
VCLStylesBrush.Free;
VCLStylesLock.Free;
VCLStylesLock := nil;
end.
