mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2026-01-06 20:40:34 +01:00
2310 lines
73 KiB
PHP
2310 lines
73 KiB
PHP
{%MainUnit winceint.pp}
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{
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*****************************************************************************
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* *
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* This file is part of the Lazarus Component Library (LCL) *
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* *
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* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
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* for details about the copyright. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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*****************************************************************************
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}
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type
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TWinControlAccess = class(TWinControl);
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{*************************************************************}
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{ callback routines }
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{*************************************************************}
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{-----------------------------------------------------------------------------
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Function: PropEnumProc
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Params: Window - The window with the property
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Str - The property name
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Data - The property value
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Returns: Whether the enumeration should continue
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Enumerates and removes properties for the target window
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-----------------------------------------------------------------------------}
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function PropEnumProc(Window: Hwnd; Str: PChar; Data: Handle): LongBool; stdcall;
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begin
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Result:=false;
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if PtrUInt(Str) <= $FFFF then exit; // global atom handle
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Assert(False, 'Trace:PropEnumProc - Start');
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Assert(False, Format('Trace:PropEnumProc - Property %S (with value 0x%X) from window 0x%X removed',
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[String(Str), Data, Window]));
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RemoveProp(Window{, Str});
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Result := True;
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Assert(False, 'Trace:PropEnumProc - Exit');
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end;
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{------------------------------------------------------------------------------
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Function: CallDefaultWindowProc
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Params: Window - The window that receives a message
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Msg - The message received
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WParam - Word parameter
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LParam - Long-integer parameter
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Returns: 0 if Msg is handled; non-zero long-integer result otherwise
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Passes message on to 'default' handler. This can be a control specific window
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procedure or the default window procedure.
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------------------------------------------------------------------------------}
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function CallDefaultWindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
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LParam: Windows.LParam): LResult;
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var
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PrevWndProc: Windows.WNDPROC;
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{$ifdef MSG_DEBUG}
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depthLen: integer;
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{$endif}
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setComboWindow: boolean;
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begin
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{$ifdef MSG_DEBUG}
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depthLen := Length(MessageStackDepth);
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if depthLen > 0 then
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MessageStackDepth[depthLen] := '#';
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{$endif}
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PrevWndProc := GetWindowInfo(Window)^.DefWndProc;
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if (PrevWndProc = nil) or (PrevWndProc = @WindowProc) // <- prevent recursion
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then begin
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Result := Windows.DefWindowProcW(Window, Msg, WParam, LParam)
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end
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else begin
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// combobox child edit weirdness: combobox handling WM_SIZE will compare text
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// to list of strings, and if appears in there, will set the text, and select it
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// WM_GETTEXTLENGTH, WM_GETTEXT, WM_SETTEXT, EM_SETSEL
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// combobox sends WM_SIZE to itself indirectly, check recursion
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//there is no gettopwindow and what is purpose of this?
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// setComboWindow := (Msg = WM_SIZE) and (ComboBoxHandleSizeWindow = 0)
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// and GetWindowInfo(Windows.GetTopWindow(Window))^.isComboEdit;
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// if setComboWindow then
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// ComboBoxHandleSizeWindow := Window;
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Result := Windows.CallWindowProc(PrevWndProc, Window, Msg, WParam, LParam);
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// if setComboWindow then
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// ComboBoxHandleSizeWindow := 0;
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end;
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{$ifdef MSG_DEBUG}
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if depthLen > 0 then
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MessageStackDepth[depthLen] := ' ';
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{$endif}
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end;
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type
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TEraseBkgndCommand = (ecDefault, ecDiscard, ecDiscardNoRemove, ecDoubleBufferNoRemove);
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const
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EraseBkgndStackMask = $3;
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EraseBkgndStackShift = 2;
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var
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EraseBkgndStack: dword = 0;
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{$ifdef MSG_DEBUG}
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function EraseBkgndStackToString: string;
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var
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I: dword;
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begin
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SetLength(Result, 8);
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for I := 0 to 7 do
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Result[8-I] := char(ord('0') + ((EraseBkgndStack shr (I*2)) and $3));
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end;
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{$endif}
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procedure PushEraseBkgndCommand(Command: TEraseBkgndCommand);
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begin
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{$ifdef MSG_DEBUG}
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case Command of
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ecDiscard: DebugLn(MessageStackDepth,
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' *forcing next WM_ERASEBKGND to discard message');
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ecDiscardNoRemove: DebugLn(MessageStackDepth,
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' *forcing next WM_ERASEBKGND to discard message, no remove');
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end;
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DebugLn(MessageStackDepth, ' *erasebkgndstack: ', EraseBkgndStackToString);
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{$endif}
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EraseBkgndStack := (EraseBkgndStack shl EraseBkgndStackShift) or dword(Ord(Command));
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end;
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var
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DoubleBufferDC: HDC = 0;
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DoubleBufferBitmap: HBITMAP = 0;
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DoubleBufferBitmapWidth: integer = 0;
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DoubleBufferBitmapHeight: integer = 0;
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function CheckMouseMovement: boolean;
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// returns true if mouse did not move between lmousebutton down
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var
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lCursorPos: TPoint;
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moveX, moveY: integer;
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begin
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Result := true;
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{ GetCursorPos(lCursorPos);
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moveX := lCursorPos.X - MouseDownPos.X;
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moveY := lCursorPos.Y - MouseDownPos.Y;
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Result := (-3 <= moveX) and (moveX <= 3) and (-3 <= moveY) and (moveY <= 3);}
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end;
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//roozbeh...any need for this?as we dont have opaque in wince!
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function GetNeedParentPaint(AWindowInfo: PWindowInfo; AWinControl: TWinControl): boolean;
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begin
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Result := AWindowInfo^.needParentPaint
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and ((AWinControl = nil) or not (csOpaque in AWinControl.ControlStyle));
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end;
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type
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TCustomListViewAccess = class(TCustomListView)
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end;
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{------------------------------------------------------------------------------
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Function: WindowProc
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Params: Window - The window that receives a message
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Msg - The message received
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WParam - Word parameter
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LParam - Long-integer parameter
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Returns: 0 if Msg is handled; non-zero long-integer result otherwise
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Handles the messages sent to the specified window, in parameter Window, by
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Windows or other applications
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------------------------------------------------------------------------------}
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Function
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{$ifdef MSG_DEBUG}
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RealWindowProc
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{$else}
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WindowProc
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{$endif}
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(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
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LParam: Windows.LParam): LResult; {$ifdef win32}stdcall{$else}cdecl{$endif};
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Var
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LMessage: TLMessage;
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menuItem: TObject;
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menuHDC: HDC;
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PLMsg: PLMessage;
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R: TRect;
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P: TPoint;
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NewLeft, NewTop, NewWidth, NewHeight: integer;
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lWinControl, ChildWinControl: TWinControl;
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TargetObject: TObject;
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WinProcess: Boolean;
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NotifyUserInput: Boolean;
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OverlayWindow: HWND;
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TargetWindow: HWND;
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eraseBkgndCommand: TEraseBkgndCommand;
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winClassName: array[0..19] of pWideChar;
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WindowInfo: PWindowInfo;
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Flags: dword;
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ChildWindowInfo: PWindowInfo;
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LMScroll: TLMScroll; // used by WM_HSCROLL
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LMKey: TLMKey; // used by WM_KEYDOWN WM_KEYUP
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LMChar: TLMChar; // used by WM_CHAR
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LMMouse: TLMMouse; // used by WM_LBUTTONDBLCLK
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LMMouseMove: TLMMouseMove; // used by WM_MOUSEMOVE
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LMMouseEvent: TLMMouseEvent; // used by WM_MOUSEWHEEL
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LMMove: TLMMove; // used by WM_MOVE
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LMNotify: TLMNotify; // used by WM_NOTIFY
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DrawListItemStruct: TDrawListItemStruct; //used by WM_DRAWITEM
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CancelEndSession : Boolean;//use by WM_QUERYENDSESSION
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NMHdr: PNMHdr absolute LParam; // used by WM_NOTIFY
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TmpSize: TSize; // used by WM_MEASUREITEM
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{$ifndef win32}
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Info: SHRGINFO; // used by SHRecognizeGesture in WM_LBUTTONDOWN
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{$endif}
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function ShowHideTabPage(NotebookHandle: HWnd; Showing: boolean): integer;
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var
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NoteBook: TCustomNotebook;
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PageIndex, Flags: Integer;
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PageHandle: HWND;
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begin
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Notebook := GetWindowInfo(NotebookHandle)^.WinControl as TCustomNotebook;
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PageIndex := Windows.SendMessageW(NotebookHandle, TCM_GETCURSEL, 0, 0);
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//PageIndex := NotebookPageRealToLCLIndex(Notebook, PageIndex);
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if PageIndex = -1 then exit;
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PageHandle := Notebook.CustomPage(PageIndex).Handle;
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if Showing then
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Flags := SW_SHOW
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else
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Flags := SW_HIDE;
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Windows.ShowWindow(PageHandle, Flags);
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Windows.RedrawWindow(PageHandle, nil, 0, RDW_INVALIDATE or RDW_ALLCHILDREN or RDW_ERASE);
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if Showing then
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NotebookFocusNewControl(Notebook, PageIndex);
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Result := PageIndex;
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end;
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function GetMenuItemObject: TObject;
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var
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MenuInfo: MENUITEMINFO;
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MainMenuHandle: HMENU;
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PopupMenu: TPopupMenu;
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Index: Integer;
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begin
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Result := nil;
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FillChar(MenuInfo, SizeOf(MenuInfo), 0);
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MenuInfo.cbSize := SizeOf(MENUITEMINFO);
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MenuInfo.fMask := MIIM_DATA;
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{first we have to decide if the command is from a popup menu or from the window main menu}
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//if the 'PopupMenu' property exists, there is a big probability that the command is from a popup menu
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PopupMenu := WindowInfo^.PopupMenu;
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if PopupMenu <> nil then //processing popup menu
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begin
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WindowInfo^.PopupMenu := nil;
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Result := PopupMenu.FindItem(LOWORD(WParam), fkCommand);
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end;
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{$ifndef win32}
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if Result = nil then //if Result is still nil, process main menu
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begin
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MainMenuHandle := SHFindMenuBar(Window);
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// roozbeh : this is the only way we have
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Index := MenuItemsList.IndexOf(IntToStr(LOWORD(WParam)));
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if (Index >= 0) and (Index < MenuItemsList.Count) then
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Result := MenuItemsList.Objects[Index];
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{
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This way returns False for GetMenuItemInfo(W) - extended error is so:
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This function is only valid in win32 mode
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if GetMenuItemInfo(MainMenuHandle, LOWORD(WParam), false, @MenuInfo) then
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Result := TObject(MenuInfo.dwItemData)
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else
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DebugLn(['GetMenuItemInfo failed: ', GetLastErrorText(GetLastError)]);
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}
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end;
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{$endif}
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end;
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procedure SendPaintMessage;
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var
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DC: HDC;
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DoubleBufferBitmapOld: HBITMAP;
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PaintRegion: HRGN;
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PS : TPaintStruct;
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PaintMsg: TLMPaint;
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ORect: TRect;
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WindowOrg: Windows.POINT;
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{$ifdef DEBUG_DOUBLEBUFFER}
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ClipBox: Windows.RECT;
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{$endif}
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ParentPaintWindow: HWND;
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WindowWidth, WindowHeight: Integer;
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DCIndex: integer;
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parLeft, parTop: integer;
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useDoubleBuffer: boolean;
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isNativeControl: boolean;
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needParentPaint: boolean;
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lNotebookFound: boolean;
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begin
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// note: ignores the received DC
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// do not use default deliver message
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if lWinControl = nil then
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begin
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lWinControl := GetWindowInfo(Window)^.PWinControl;
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if lWinControl = nil then exit;
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end;
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// create a paint message
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GetClassName(Window, @winClassName, 20);
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isNativeControl := not CompareMem(@winClassName, @ClsName, High(ClsName)+1);
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ParentPaintWindow := 0;
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needParentPaint := GetNeedParentPaint(WindowInfo, lWinControl);
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// if needParentPaint and not isTabPage then background will be drawn in
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// WM_ERASEBKGND and WM_CTLCOLORSTATIC for native controls
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// sent by default paint handler
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if WindowInfo^.isTabPage or (needParentPaint
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and (not isNativeControl or (WParam <> 0))) then
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begin
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ParentPaintWindow := Window;
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lNotebookFound := false;
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while (ParentPaintWindow <> 0) and not lNotebookFound do
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begin
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// notebook is parent of window that has istabpage
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if GetWindowInfo(ParentPaintWindow)^.isTabPage then
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lNotebookFound := true;
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ParentPaintWindow := Windows.GetParent(ParentPaintWindow);
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end;
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end;
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// if painting background of some control for tabpage, don't handle erase background
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// in parent of tabpage
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if WindowInfo^.isTabPage then
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PushEraseBkgndCommand(ecDiscard);
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// check if double buffering is requested
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useDoubleBuffer := (WParam = 0) and (lWinControl.DoubleBuffered);
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{$ifdef MSG_DEBUG}
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if useDoubleBuffer and (DoubleBufferDC <> 0) then
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begin
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DebugLn('ERROR: RECURSIVE PROBLEM! DOUBLEBUFFERED PAINT');
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useDoubleBuffer := false;
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end;
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{$endif}
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if useDoubleBuffer then
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begin
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DoubleBufferDC := Windows.CreateCompatibleDC(0);
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GetWindowSize(Window, WindowWidth, WindowHeight);
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if (DoubleBufferBitmapWidth < WindowWidth) or (DoubleBufferBitmapHeight < WindowHeight) then
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begin
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DC := Windows.GetDC(0);
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if DoubleBufferBitmap <> 0 then
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Windows.DeleteObject(DoubleBufferBitmap);
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DoubleBufferBitmapWidth := WindowWidth;
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DoubleBufferBitmapHeight := WindowHeight;
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DoubleBufferBitmap := Windows.CreateCompatibleBitmap(DC, WindowWidth, WindowHeight);
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Windows.ReleaseDC(0, DC);
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end;
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DoubleBufferBitmapOld := Windows.SelectObject(DoubleBufferDC, DoubleBufferBitmap);
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PaintMsg.DC := DoubleBufferDC;
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end;
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{$ifdef MSG_DEBUG}
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if useDoubleBuffer then
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DebugLn(MessageStackDepth, ' *double buffering on DC: ', IntToHex(DoubleBufferDC, 8))
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else
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DebugLn(MessageStackDepth, ' *painting, but not double buffering');
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{$endif}
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WinProcess := false;
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try
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if WParam = 0 then
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begin
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// ignore first erase background on themed control, paint will do everything
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DC := Windows.BeginPaint(Window, @PS);
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if useDoubleBuffer then
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begin
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{$ifdef DEBUG_DOUBLEBUFFER}
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ORect.Left := 0;
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ORect.Top := 0;
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ORect.Right := DoubleBufferBitmapWidth;
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ORect.Bottom := DoubleBufferBitmapHeight;
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Windows.FillRect(DoubleBufferDC, ORect, GetSysColorBrush(COLOR_DESKTOP or SYS_COLOR_INDEX_FLAG));
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{$endif}
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PaintRegion := CreateRectRgn(0, 0, 1, 1);
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{ if GetRandomRgn(DC, PaintRegion, SYSRGN) = 1 then
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begin
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// winnt returns in screen coordinates
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// win9x returns in window coordinates
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if Win32Platform = VER_PLATFORM_WIN32_NT then
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begin
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WindowOrg.X := 0;
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WindowOrg.Y := 0;
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Windows.ClientToScreen(Window, WindowOrg);
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Windows.OffsetRgn(PaintRegion, -WindowOrg.X, -WindowOrg.Y);
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end;
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Windows.SelectClipRgn(DoubleBufferDC, PaintRegion);
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end;}
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{$ifdef DEBUG_DOUBLEBUFFER}
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Windows.GetClipBox(DoubleBufferDC, ClipBox);
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DebugLn('Double buffering in DC ', IntToHex(DoubleBufferDC, 8), ' with clipping rect (',
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IntToStr(ClipBox.Left), ',', IntToStr(ClipBox.Top), ';',
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IntToStr(ClipBox.Right), ',', IntToStr(ClipBox.Bottom), ')');
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{$endif}
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// a copy of the region is selected into the DC, so we
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// can free our region immediately
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Windows.DeleteObject(PaintRegion);
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end;
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end else begin
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DC := WParam;
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PaintRegion := 0;
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end;
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if ParentPaintWindow <> 0 then
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GetWin32ControlPos(Window, ParentPaintWindow, parLeft, parTop);
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//Is not necessary to check the result of GetLCLClientBoundsOffset since
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//the false condition (lWincontrol = nil or lWincontrol <> TWinControl) is never met
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//The rect is always initialized with 0
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GetLCLClientBoundsOffset(lWinControl, ORect);
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PaintMsg.Msg := LM_PAINT;
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PaintMsg.PaintStruct := @PS;
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if not useDoubleBuffer then
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PaintMsg.DC := DC;
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if not needParentPaint then
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begin
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// send through message to allow message override
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//lWinControl.EraseBackground(PaintMsg.DC);
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Include(TWinControlAccess(lWinControl).FWinControlFlags, wcfEraseBackground);
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lWinControl.Perform(LM_ERASEBKGND, PaintMsg.DC, 0);
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Exclude(TWinControlAccess(lWinControl).FWinControlFlags, wcfEraseBackground);
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end;
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if ParentPaintWindow <> 0 then
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begin
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{$ifdef MSG_DEBUG}
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DebugLn(MessageStackDepth, ' *painting background by sending paint message to parent window ',
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IntToHex(ParentPaintWindow, 8));
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{$endif}
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// tabpage parent and got a dc to draw in, divert paint to parent
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DCIndex := Windows.SaveDC(PaintMsg.DC);
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MoveWindowOrgEx(PaintMsg.DC, -parLeft, -parTop);
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Windows.SendMessageW(ParentPaintWindow, WM_PAINT, PaintMsg.DC, 0);
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Windows.RestoreDC(PaintMsg.DC, DCIndex);
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end;
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if (WParam = 0) or not needParentPaint then
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begin
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DCIndex := Windows.SaveDC(PaintMsg.DC);
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MoveWindowOrgEx(PaintMsg.DC, ORect.Left, ORect.Top);
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{$ifdef DEBUG_DOUBLEBUFFER}
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Windows.GetClipBox(PaintMsg.DC, ClipBox);
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DebugLn('LCL Drawing in DC ', IntToHex(PaintMsg.DC, 8), ' with clipping rect (',
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IntToStr(ClipBox.Left), ',', IntToStr(ClipBox.Top), ';',
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IntToStr(ClipBox.Right), ',', IntToStr(ClipBox.Bottom), ')');
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{$endif}
|
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DeliverMessage(lWinControl, PaintMsg);
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Windows.RestoreDC(PaintMsg.DC, DCIndex);
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end;
|
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if useDoubleBuffer then
|
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Windows.BitBlt(DC, 0, 0, WindowWidth, WindowHeight, DoubleBufferDC, 0, 0, SRCCOPY);
|
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if WParam = 0 then
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Windows.EndPaint(Window, @PS);
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finally
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if useDoubleBuffer then
|
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begin
|
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SelectObject(DoubleBufferDC, DoubleBufferBitmapOld);
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DeleteDC(DoubleBufferDC);
|
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DoubleBufferDC := 0;
|
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{$ifdef DEBUG_DOUBLEBUFFER}
|
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if CopyBitmapToClipboard then
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begin
|
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// Windows.OpenClipboard(0);
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// Windows.EmptyClipboard;
|
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// Windows.SetClipboardData(CF_BITMAP, DoubleBufferBitmap);
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// Windows.CloseClipboard;
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CopyBitmapToClipboard := false;
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end;
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{$endif}
|
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end;
|
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end;
|
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end;
|
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|
|
procedure CheckListBoxLButtonDown;
|
|
var
|
|
I: Integer;
|
|
ItemRect: Windows.Rect;
|
|
MousePos: Windows.Point;
|
|
Message: TLMessage;
|
|
begin
|
|
MousePos.X := LMMouse.Pos.X;
|
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MousePos.Y := LMMouse.Pos.Y;
|
|
for I := 0 to Windows.SendMessageW(Window, LB_GETCOUNT, 0, 0) - 1 do
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begin
|
|
Windows.SendMessageW(Window, LB_GETITEMRECT, I, PtrInt(@ItemRect));
|
|
ItemRect.Right := ItemRect.Left + ItemRect.Bottom - ItemRect.Top;
|
|
if Windows.PtInRect(ItemRect, MousePos) then
|
|
begin
|
|
// item clicked: toggle
|
|
if I < TCheckListBox(lWinControl).Items.Count then
|
|
begin
|
|
TCheckListBox(lWinControl).Toggle(I);
|
|
Message.Msg := LM_CHANGED;
|
|
Message.WParam := I;
|
|
DeliverMessage(lWinControl, Message);
|
|
end;
|
|
// can only click one item
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure ClearSiblingRadioButtons(RadioButton: TRadioButton);
|
|
var
|
|
Parent: TWinControl;
|
|
Sibling: TControl;
|
|
i: Integer;
|
|
begin
|
|
Parent := RadioButton.Parent;
|
|
for i:= 0 to Parent.ControlCount - 1 do begin
|
|
Sibling := Parent.Controls[i];
|
|
if (Sibling is TRadioButton) and (Sibling<>RadioButton) and
|
|
(TRadioButton(Sibling).HandleAllocated) then
|
|
Windows.SendMessageW(TRadioButton(Sibling).Handle, BM_SETCHECK,
|
|
Windows.WParam(BST_UNCHECKED), 0);
|
|
end;
|
|
end;
|
|
|
|
// sets the text of the combobox,
|
|
// because some events are risen, before the text is actually changed
|
|
procedure UpdateComboBoxText(ComboBox: TCustomComboBox);
|
|
var
|
|
Index: Integer;
|
|
begin
|
|
with ComboBox do begin
|
|
Index := ItemIndex;
|
|
// Index might be -1, if current text is not in the list.
|
|
if (Index>=0) then
|
|
Text := Items[Index]
|
|
end;
|
|
end;
|
|
|
|
procedure DestroyFloatSpinEditBuddy(SpinEditHandle: HWND);
|
|
var
|
|
Buddy: HWND;
|
|
begin
|
|
Buddy := SendMessageW(SpinEditHandle, UDM_GETBUDDY, 0, 0);
|
|
DestroyWindow(Buddy);
|
|
end;
|
|
|
|
procedure EnableFloatSpinEditBuddy(SpinEditHandle: HWND; Enable: boolean);
|
|
var
|
|
Buddy: HWND;
|
|
begin
|
|
Buddy := SendMessageW(SpinEditHandle, UDM_GETBUDDY, 0, 0);
|
|
Windows.EnableWindow(Buddy, Enable);
|
|
end;
|
|
|
|
procedure DisposeComboEditWindowInfo(ComboBox: TCustomComboBox);
|
|
var
|
|
Buddy: HWND;
|
|
begin
|
|
{ Buddy := Windows.GetTopWindow(ComboBox.Handle);
|
|
if Buddy<>HWND(nil) then
|
|
DisposeWindowInfo(Buddy);}
|
|
end;
|
|
|
|
procedure HandleScrollMessage(LMsg: integer);
|
|
var
|
|
ScrollbarHandle: HWND;
|
|
ScrollInfo: TScrollInfo;
|
|
begin
|
|
ScrollbarHandle := HWND(LParam);
|
|
if ScrollbarHandle<>0 then
|
|
lWinControl := GetWindowInfo(ScrollbarHandle)^.WinControl;
|
|
if lWinControl is TCustomTrackBar then
|
|
begin
|
|
LMessage.Msg := LM_CHANGED;
|
|
exit;
|
|
end;
|
|
|
|
PLMsg:=@LMScroll;
|
|
with LMScroll do
|
|
begin
|
|
Msg := LMsg;
|
|
ScrollCode := LOWORD(WParam);
|
|
SmallPos := 0;
|
|
ScrollBar := ScrollbarHandle;
|
|
Pos := 0;
|
|
end;
|
|
|
|
if not (LOWORD(WParam) in [SB_THUMBTRACK, SB_THUMBPOSITION])
|
|
then begin
|
|
WindowInfo^.TrackValid := False;
|
|
Exit;
|
|
end;
|
|
|
|
// Note on thumb tracking
|
|
// When using the scrollwheel, windows sends SB_THUMBTRACK
|
|
// messages, but only when scroll.max < 32K. So in that case
|
|
// Hi(WParam) won't cycle.
|
|
// When ending scrollbar tracking we also get those
|
|
// messages. Now Hi(WParam) is cycling.
|
|
// To get the correct value you need to use GetScrollInfo.
|
|
//
|
|
// Now there is a problem. GetScrollInfo returns always the old
|
|
// position. So in case we get track messages, we'll keep the
|
|
// last trackposition.
|
|
// To get the correct position, we use the most significant
|
|
// part of the last known value (or the value returned by
|
|
// ScrollInfo). The missing least significant part is given
|
|
// by Hi(WParam), since it is cycling, the or of both will give
|
|
// the position
|
|
// This only works if the difference between the last pos and
|
|
// the new pos is < 64K, so it might fail if we don't get track
|
|
// messages
|
|
// MWE.
|
|
|
|
|
|
// For thumb messges, retrieve the real position,
|
|
ScrollInfo.cbSize := SizeOf(ScrollInfo);
|
|
if Lo(WParam) = SB_THUMBTRACK
|
|
then begin
|
|
ScrollInfo.fMask := SIF_TRACKPOS;
|
|
// older windows versions may not support trackpos, so fill it with some default
|
|
if WindowInfo^.TrackValid
|
|
then ScrollInfo.nTrackPos := (WindowInfo^.TrackPos and $FFFF0000) or HIWORD(WParam)
|
|
else ScrollInfo.nTrackPos := HIWORD(WParam);
|
|
end
|
|
else begin
|
|
ScrollInfo.fMask := SIF_POS;
|
|
ScrollInfo.nPos := HIWORD(WParam);
|
|
end;
|
|
|
|
if ScrollbarHandle <> 0
|
|
then begin
|
|
// The message is send by a scrollbar
|
|
GetScrollInfo(ScrollbarHandle, SB_CTL, ScrollInfo);
|
|
end
|
|
else begin
|
|
// The message is send by a window's standard scrollbar
|
|
if LMsg = LM_HSCROLL
|
|
then GetScrollInfo(Window, SB_HORZ, ScrollInfo)
|
|
else GetScrollInfo(Window, SB_VERT, ScrollInfo);
|
|
end;
|
|
|
|
if LOWORD(WParam) = SB_THUMBTRACK
|
|
then begin
|
|
LMScroll.Pos := ScrollInfo.nTrackPos;
|
|
WindowInfo^.TrackPos := ScrollInfo.nTrackPos;
|
|
WindowInfo^.TrackValid := True;
|
|
end
|
|
else begin
|
|
if WindowInfo^.TrackValid
|
|
then LMScroll.Pos := (WindowInfo^.TrackPos and $FFFF0000) or HIWORD(WParam)
|
|
else LMScroll.Pos := (ScrollInfo.nPos and $FFFF0000) or HIWORD(WParam);
|
|
end;
|
|
|
|
if LMScroll.Pos < High(LMScroll.SmallPos)
|
|
then LMScroll.SmallPos := LMScroll.Pos
|
|
else LMScroll.SmallPos := High(LMScroll.SmallPos);
|
|
end;
|
|
|
|
procedure HandleSetCursor;
|
|
var
|
|
lControl: TControl;
|
|
BoundsOffset: TRect;
|
|
ACursor: TCursor;
|
|
begin
|
|
if (lWinControl <> nil) and not (csDesigning in lWinControl.ComponentState)
|
|
and (Lo(LParam) = HTCLIENT) then
|
|
begin
|
|
Windows.GetCursorPos(@(Windows.POINT(P)));
|
|
Windows.ScreenToClient(Window, @(Windows.POINT(P)));
|
|
if GetLCLClientBoundsOffset(lWinControl, BoundsOffset) then
|
|
begin
|
|
Dec(P.X, BoundsOffset.Left);
|
|
Dec(P.Y, BoundsOffset.Top);
|
|
end;
|
|
ACursor := Screen.Cursor;
|
|
if ACursor = crDefault then
|
|
begin
|
|
// statictext controls do not get WM_SETCURSOR messages...
|
|
lControl := lWinControl.ControlAtPos(P, [capfOnlyClientAreas,
|
|
capfAllowWinControls, capfHasScrollOffset, capfRecursive]);
|
|
if lControl = nil then
|
|
lControl := lWinControl;
|
|
ACursor := lControl.Cursor;
|
|
end;
|
|
if ACursor <> crDefault then
|
|
begin
|
|
Windows.SetCursor(Screen.Cursors[ACursor]);
|
|
LMessage.Result := 1;
|
|
end;
|
|
end;
|
|
if LMessage.Result = 0 then
|
|
begin
|
|
LMessage.Msg := LM_SETCURSOR;
|
|
LMessage.WParam := WParam;
|
|
LMessage.LParam := LParam;
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
|
|
procedure HandleSysCommand;
|
|
var
|
|
ParentForm: TCustomForm;
|
|
prevFocus: HWND;
|
|
begin
|
|
// forward keystroke to show window menu, if parent form has no menu
|
|
// if wparam contains SC_KEYMENU, lparam contains key pressed
|
|
// keymenu+space should always bring up system menu
|
|
case (WParam and $FFF0) of
|
|
SC_KEYMENU:
|
|
if (lWinControl <> nil) and (lParam <> VK_SPACE) then
|
|
begin
|
|
ParentForm := GetParentForm(lWinControl);
|
|
if (ParentForm <> nil) and (ParentForm.Menu = nil)
|
|
and (Application <> nil) and (Application.MainForm <> nil)
|
|
and (Application.MainForm <> ParentForm)
|
|
and Application.MainForm.HandleAllocated then
|
|
begin
|
|
targetWindow := Application.MainForm.Handle;
|
|
if IsWindowEnabled(targetWindow) and IsWindowVisible(targetWindow) then
|
|
begin
|
|
prevFocus := Windows.GetFocus;
|
|
Windows.SetFocus(targetWindow);
|
|
PLMsg^.Result := Windows.SendMessageW(targetWindow, WM_SYSCOMMAND, WParam, LParam);
|
|
Windows.SetFocus(prevFocus);
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
//roozbeh : we dont have these in wince!
|
|
{ SC_MINIMIZE:
|
|
begin
|
|
|
|
if (Application <> nil) and (lWinControl <> nil)
|
|
and (Application.MainForm <> nil)
|
|
and (Application.MainForm = lWinControl) then
|
|
Window := TWinCEWidgetSet(WidgetSet).AppHandle;//redirection
|
|
|
|
if (Window = TWinCEWidgetSet(WidgetSet).AppHandle)
|
|
and (Application <> nil)
|
|
and (Application.MainForm<>nil) then
|
|
begin
|
|
Windows.SetWindowPos(Window, HWND_TOP,
|
|
Application.MainForm.Left, Application.MainForm.Top,
|
|
Application.MainForm.Width, 0, SWP_NOACTIVATE);
|
|
if Application.MainForm.HandleAllocated then
|
|
Windows.ShowWindow(Application.MainForm.Handle,SW_HIDE);
|
|
|
|
Application.IntfAppMinimize;
|
|
end;
|
|
end;}
|
|
|
|
{SC_RESTORE:
|
|
begin
|
|
|
|
if (Window = TWinCEWidgetSet(WidgetSet).AppHandle)
|
|
and (Application <> nil)
|
|
and (Application.MainForm<>nil)
|
|
and Application.MainForm.HandleAllocated then
|
|
begin
|
|
PLMsg^.Result := Windows.DefWindowProc(Window, WM_SYSCOMMAND, WParam, LParam);
|
|
Windows.ShowWindow(Application.MainForm.Handle,SW_SHOW);
|
|
if Windows.IsWindowEnabled(Application.MainForm.Handle)
|
|
then Windows.SetActiveWindow(Application.MainForm.Handle);
|
|
WinProcess := false;
|
|
|
|
Application.IntfAppRestore;
|
|
end;
|
|
end;}
|
|
end;
|
|
end;
|
|
|
|
function IsComboEditSelection: boolean;
|
|
begin
|
|
Result := WindowInfo^.isComboEdit and (ComboBoxHandleSizeWindow = Windows.GetParent(Window));
|
|
end;
|
|
|
|
{ procedure HandleSpinEditChange(ASpinEdit: TCustomFloatSpinEdit);
|
|
var
|
|
lWindowInfo: PWindowInfo;
|
|
lNewValue: Double;
|
|
begin
|
|
lWindowInfo := GetWindowInfo(ASpinEdit.Handle);
|
|
if lWindowInfo = @DefaultWindowInfo then exit;
|
|
lNewValue := StrToFloatDef(ASpinEdit.Text, lWindowInfo^.spinValue);
|
|
if lNewValue <> lWindowInfo^.spinValue then
|
|
begin
|
|
lWindowInfo^.spinValue := lNewValue;
|
|
LMessage.Msg := CM_TEXTCHANGED;
|
|
end;
|
|
end;
|
|
|
|
procedure HandleSpinEditDeltaPos(AUpDownMsg: PNMUpDown);
|
|
var
|
|
lSpinEdit: TCustomFloatSpinEdit;
|
|
spinHandle: HWND;
|
|
newValue: Double;
|
|
begin
|
|
lSpinEdit := TCustomFloatSpinEdit(WindowInfo^.WinControl);
|
|
newValue := WindowInfo^.spinValue + AUpDownMsg^.iDelta * lSpinEdit.Increment;
|
|
if (lSpinEdit.MinValue <> 0) or (lSpinEdit.MaxValue <> 0) then
|
|
begin
|
|
if newValue > lSpinEdit.MaxValue then
|
|
newValue := lSpinEdit.MaxValue;
|
|
if newValue < lSpinEdit.MinValue then
|
|
newValue := lSpinEdit.MinValue;
|
|
end;
|
|
spinHandle := AUpDownMsg^.hdr.hwndFrom;
|
|
UpdateFloatSpinEditText(spinHandle, NewValue, lSpinEdit.DecimalPlaces);
|
|
Windows.SendMessage(spinHandle, UDM_SETPOS32, 0, 500);
|
|
WindowInfo^.spinValue := newValue;
|
|
end;
|
|
}
|
|
procedure SetMinMaxInfo(var MinMaxInfo: TMINMAXINFO);
|
|
procedure SetWin32SizePoint(AWidth, AHeight: integer; var pt: TPoint);
|
|
var
|
|
IntfWidth, IntfHeight: integer;
|
|
begin
|
|
// 0 means no constraint
|
|
if (AWidth=0) and (AHeight=0) then exit;
|
|
|
|
IntfWidth := AWidth;
|
|
IntfHeight := AHeight;
|
|
LCLFormSizeToWin32Size(TCustomForm(lWinControl), IntfWidth, IntfHeight);
|
|
|
|
if AWidth>0 then
|
|
pt.X:= IntfWidth;
|
|
if AHeight>0 then
|
|
pt.Y := IntfHeight;
|
|
end;
|
|
begin
|
|
if (lWinControl=nil) or not (lWinControl is TCustomForm) then exit;
|
|
with lWinControl.Constraints do begin
|
|
SetWin32SizePoint(MinWidth, MinHeight, MinMaxInfo.ptMinTrackSize);
|
|
SetWin32SizePoint(MaxWidth, MaxHeight, MinMaxInfo.ptMaxSize);
|
|
SetWin32SizePoint(MaxWidth, MaxHeight, MinMaxInfo.ptMaxTrackSize);
|
|
end;
|
|
end;
|
|
|
|
procedure HandleListViewCustomDraw(ALV: TCustomListViewAccess);
|
|
function ConvState(const State: uint): TCustomDrawState;
|
|
begin
|
|
Result := [];
|
|
if state and CDIS_CHECKED <> 0 then Include(Result, cdsChecked);
|
|
if state and CDIS_DEFAULT <> 0 then Include(Result, cdsDefault);
|
|
if state and CDIS_DISABLED <> 0 then Include(Result, cdsDisabled);
|
|
if state and CDIS_FOCUS <> 0 then Include(Result, cdsFocused);
|
|
if state and CDIS_GRAYED <> 0 then Include(Result, cdsGrayed);
|
|
if state and CDIS_HOT <> 0 then Include(Result, cdsHot);
|
|
if state and CDIS_INDETERMINATE <> 0 then Include(Result, cdsIndeterminate);
|
|
if state and CDIS_MARKED <> 0 then Include(Result, cdsMarked);
|
|
if state and CDIS_SELECTED <> 0 then Include(Result, cdsSelected);
|
|
end;
|
|
|
|
const
|
|
CDRFRESULT: array[TCustomDrawResultFlag] of Integer = (
|
|
CDRF_SKIPDEFAULT,
|
|
CDRF_NOTIFYPOSTPAINT,
|
|
CDRF_NOTIFYITEMDRAW,
|
|
CDRF_NOTIFYSUBITEMDRAW,
|
|
CDRF_NOTIFYPOSTERASE,
|
|
CDRF_NOTIFYITEMERASE
|
|
);
|
|
var
|
|
DrawInfo: PNMLVCustomDraw absolute NMHdr;
|
|
Stage: TCustomDrawStage;
|
|
DrawResult: TCustomDrawResult;
|
|
ResultFlag: TCustomDrawResultFlag;
|
|
begin
|
|
lmNotify.result := CDRF_DODEFAULT;
|
|
WinProcess := false;
|
|
case DrawInfo^.dwDrawStage and $7 of //Get drawing state
|
|
CDDS_PREPAINT: Stage := cdPrePaint;
|
|
CDDS_POSTPAINT: Stage := cdPostPaint;
|
|
CDDS_PREERASE: Stage := cdPreErase;
|
|
CDDS_POSTERASE: Stage := cdPostErase;
|
|
else
|
|
Exit;
|
|
end;
|
|
|
|
case DrawInfo^.dwDrawStage and (CDDS_ITEM or CDDS_SUBITEM) of
|
|
0: begin //Whole control
|
|
DrawResult := ALV.IntfCustomDraw(dtControl, Stage, -1, -1, [], @DrawInfo^.rc);
|
|
end;
|
|
CDDS_ITEM: begin
|
|
DrawResult := ALV.IntfCustomDraw(dtItem, Stage, DrawInfo^.dwItemSpec, -1, ConvState(DrawInfo^.uItemState), nil);
|
|
end;
|
|
CDDS_SUBITEM: begin
|
|
// subitem 0 is handled by dtItem
|
|
if DrawInfo^.iSubItem = 0 then Exit;
|
|
DrawResult := ALV.IntfCustomDraw(dtItem, Stage, DrawInfo^.dwItemSpec, DrawInfo^.iSubItem, ConvState(DrawInfo^.uItemState), nil);
|
|
end;
|
|
else
|
|
Exit;
|
|
end;
|
|
|
|
for ResultFlag := Low(ResultFlag) to High(ResultFlag) do
|
|
begin
|
|
if ResultFlag in DrawResult
|
|
then lmNotify.result := lmNotify.result or CDRFRESULT[ResultFlag];
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
Assert(False, 'Trace:WindowProc - Start');
|
|
|
|
LMessage.Result := 0;
|
|
LMessage.Msg := LM_NULL;
|
|
PLMsg := @LMessage;
|
|
WinProcess := True;
|
|
NotifyUserInput := False;
|
|
|
|
Assert(False, 'Trace:WindowProc - Getting Object with Callback Procedure');
|
|
WindowInfo := GetWindowInfo(Window);
|
|
|
|
//----------------------------------------
|
|
//roozbeh added for testing paint messages
|
|
//----------------------------------------
|
|
|
|
if WindowInfo^.myButton<> 0 then
|
|
begin
|
|
if Msg = WM_PAINT then
|
|
begin
|
|
// CallDefaultWindowProc(Window, Msg, WParam, LParam);
|
|
end;
|
|
end;
|
|
//----------------------------------------
|
|
//roozbeh added for testing paint messages
|
|
//----------------------------------------
|
|
|
|
if WindowInfo^.isChildEdit then
|
|
begin
|
|
// combobox child edit weirdness
|
|
// prevent combobox WM_SIZE message to get/set/compare text to list, to select text
|
|
if IsComboEditSelection then
|
|
begin
|
|
case Msg of
|
|
WM_GETTEXTLENGTH, EM_SETSEL:
|
|
begin
|
|
Result := 0;
|
|
exit;
|
|
end;
|
|
WM_GETTEXT:
|
|
begin
|
|
if WParam > 0 then
|
|
PChar(LParam)^ := #0;
|
|
Result := 0;
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
lWinControl := WindowInfo^.AWinControl;
|
|
// filter messages we want to pass on to LCL
|
|
if (Msg <> WM_KILLFOCUS) and (Msg <> WM_SETFOCUS) and (Msg <> WM_NCDESTROY)
|
|
and ((Msg < WM_KEYFIRST) or (Msg > WM_KEYLAST))
|
|
and ((Msg < WM_MOUSEFIRST) or (Msg > WM_MOUSELAST)) then
|
|
begin
|
|
Result := CallDefaultWindowProc(Window, Msg, WParam, LParam);
|
|
exit;
|
|
end;
|
|
end else begin
|
|
lWinControl := WindowInfo^.WinControl;
|
|
end;
|
|
{$ifdef MSG_DEBUG}
|
|
DebugLn('lWinControl: ',DbgSName(lWinControl));
|
|
{$endif}
|
|
if (IgnoreNextCharWindow <> 0) and ((Msg = WM_CHAR) or (Msg = WM_SYSCHAR)) then
|
|
begin
|
|
if IgnoreNextCharWindow = Window then
|
|
begin
|
|
IgnoreNextCharWindow := 0;
|
|
{$ifdef MSG_DEBUG}
|
|
DebugLn(MessageStackDepth, ' *ignoring this character');
|
|
{$endif}
|
|
Result := 1;
|
|
exit;
|
|
end;
|
|
IgnoreNextCharWindow := 0;
|
|
end;
|
|
|
|
Assert(False, 'Trace:WindowProc - Getting Callback Object');
|
|
|
|
Assert(False, 'Trace:WindowProc - Checking Proc');
|
|
// Assert(False, Format('Trace:WindowProc - Window Value: $%S-%d; Msg Value: %S; WParam: $%S; LParam: $%S', [IntToHex(Window, 4), Window, WM_To_String(Msg), IntToHex(WParam, 4), IntToHex(LParam, 4)]));
|
|
|
|
case Msg Of
|
|
WM_NULL:
|
|
begin
|
|
CheckSynchronize;
|
|
TWinCEWidgetset(Widgetset).CheckPipeEvents;
|
|
end;
|
|
WM_ACTIVATE:
|
|
begin
|
|
case Lo(WParam) Of
|
|
WA_ACTIVE, WA_CLICKACTIVE:
|
|
begin
|
|
LMessage.Msg := LM_ACTIVATE
|
|
end;
|
|
WA_INACTIVE:
|
|
begin
|
|
LMessage.Msg := LM_DEACTIVATE;
|
|
// Wince => maybe cast to WM_CLOSE?
|
|
end;
|
|
end;
|
|
end;
|
|
BM_SETCHECK:
|
|
begin
|
|
LMessage.Msg := LM_CHANGED;
|
|
end;
|
|
WM_CAPTURECHANGED:
|
|
begin
|
|
LMessage.Msg := LM_CAPTURECHANGED;
|
|
end;
|
|
WM_CHAR:
|
|
begin
|
|
PLMsg:=@LMChar;
|
|
with LMChar Do
|
|
begin
|
|
Msg := CN_CHAR;
|
|
KeyData := LParam;
|
|
CharCode := Word(WParam);
|
|
Result := 0;
|
|
Assert(False,Format('WM_CHAR KeyData= %d CharCode= %d ',[KeyData,CharCode]));
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
WM_MENUCHAR:
|
|
begin
|
|
PLMsg^.Result := FindMenuItemAccelerator(chr(LOWORD(WParam)), LParam);
|
|
WinProcess := false;
|
|
end;
|
|
WM_CLOSE:
|
|
begin
|
|
if (Window = TWinCEWidgetSet(WidgetSet).AppHandle) and
|
|
(Application.MainForm <> nil) then
|
|
begin
|
|
Windows.SendMessage(Application.MainForm.Handle, WM_CLOSE, 0, 0);
|
|
end else begin
|
|
LMessage.Msg := LM_CLOSEQUERY;
|
|
end;
|
|
// default is to destroy window, inhibit
|
|
WinProcess := false;
|
|
end;
|
|
{
|
|
WM_COMMAND
|
|
|
|
Parameters:
|
|
|
|
wNotifyCode = HIWORD(wParam);
|
|
wID = LOWORD(wParam);
|
|
hwndCtl = (HWND) lParam;
|
|
|
|
If wID is IDOK, then we have received a close message from the
|
|
"OK" button in the title of dialog windows.
|
|
}
|
|
WM_COMMAND:
|
|
begin
|
|
{ Handles the "OK" button in the title bar of dialogs }
|
|
if Lo(wParam) = IDOK then
|
|
begin
|
|
if (lWinControl is TCustomForm) and (fsModal in TCustomForm(lWinControl).FormState) then
|
|
TCustomForm(lWinControl).ModalResult := mrOK
|
|
else
|
|
SendMessage(Window, WM_CLOSE, 0, 0);
|
|
end
|
|
else
|
|
begin
|
|
{ Handles other reasons for WM_COMMAND }
|
|
if Hi(WParam) < 2 then //1 for accelerator 0 for menu
|
|
TargetObject := GetMenuItemObject else // menuitem or shortcut
|
|
TargetObject := nil;
|
|
if TargetObject is TMenuItem then
|
|
begin
|
|
LMessage.Msg := LM_ACTIVATE;
|
|
TargetObject.Dispatch(LMessage);
|
|
lWinControl := nil;
|
|
end else
|
|
begin
|
|
lWinControl := GetWindowInfo(LParam)^.WinControl;
|
|
// buddy controls use 'awincontrol' to designate associated wincontrol
|
|
if lWinControl = nil then
|
|
lWinControl := GetWindowInfo(LParam)^.AWinControl;
|
|
if lWinControl is TCustomButton then
|
|
case Hi(WParam) of
|
|
BN_CLICKED: LMessage.Msg := LM_CLICKED;
|
|
BN_KILLFOCUS: LMessage.Msg := LM_EXIT;
|
|
end
|
|
else if (lWinControl is TCustomEdit) then
|
|
case Hi(WParam) of
|
|
EN_CHANGE: LMessage.Msg := CM_TEXTCHANGED;
|
|
end
|
|
{ else if (lWinControl is TCustomFloatSpinEdit) then
|
|
case Hi(WParam) of
|
|
EN_CHANGE: HandleSpinEditChange(TCustomFloatSpinEdit(lWinControl));
|
|
end}
|
|
else if (lWinControl is TCustomMemo) then
|
|
case Hi(WParam) of
|
|
// multiline edit doesn't send EN_CHANGE, so use EN_UPDATE
|
|
EN_UPDATE: LMessage.Msg := CM_TEXTCHANGED;
|
|
end
|
|
else if (lWinControl is TCustomListBox) then
|
|
case Hi(WParam) of
|
|
LBN_SELCHANGE: LMessage.Msg := LM_SELCHANGE;
|
|
end
|
|
else if lWinControl is TCustomCombobox then
|
|
case Hi(WParam) of
|
|
CBN_EDITCHANGE: LMessage.Msg := LM_CHANGED;
|
|
{ CBN_EDITCHANGE is only sent after the user changes the edit box.
|
|
CBN_SELCHANGE is sent when the user changes the text by
|
|
selecting in the list, but before text is actually changed.
|
|
itemindex is updated, so set text manually }
|
|
CBN_SELCHANGE: begin
|
|
UpdateComboBoxText(TCustomComboBox(lWinControl));
|
|
LMessage.Msg := LM_SELCHANGE;
|
|
end;
|
|
{ closeup message is sent before text is actually changed... *sigh*
|
|
itemindex is updated, so set text manually }
|
|
CBN_CLOSEUP:
|
|
UpdateComboBoxText(TCustomComboBox(lWinControl));
|
|
end;
|
|
end;
|
|
|
|
// no specific message found? try send a general msg
|
|
if (LMessage.Msg = LM_NULL) and (lWinControl <> nil) then
|
|
lWinControl.Perform(CN_COMMAND, WParam, LParam);
|
|
end;
|
|
end;
|
|
{
|
|
* Besides the fact that LCL does not respond to LM_CREATE, this code is
|
|
probably never reached anyway, as the callback is not set until after
|
|
window creation
|
|
|
|
WM_CREATE:
|
|
begin
|
|
Assert(False, 'Trace:WindowProc - Got WM_CREATE');
|
|
LMessage.Msg := LM_CREATE;
|
|
end;
|
|
}
|
|
WM_CTLCOLORMSGBOX..WM_CTLCOLORSTATIC:
|
|
begin
|
|
{ it's needed for winxp themes where controls send the WM_ERASEBKGND
|
|
message to their parent to clear their background and then draw
|
|
transparently
|
|
only static and button controls have transparent parts
|
|
others need to erased with their window color
|
|
scrollbar also has buttons
|
|
|
|
Handling this message is the method provided to change the background
|
|
color of many Windows Standard Controls, like TGroupBox, TCheckBox, etc.
|
|
|
|
Note that here ChildWinControl represents the control about to be
|
|
painted. A RadioButton for example. lWinControl represents the Form.
|
|
}
|
|
ChildWindowInfo := GetWindowInfo(LParam);
|
|
ChildWinControl := ChildWindowInfo^.WinControl;
|
|
if ChildWinControl = nil then
|
|
ChildWinControl := ChildWindowInfo^.AWinControl;
|
|
case Msg of
|
|
WM_CTLCOLORSTATIC,
|
|
WM_CTLCOLORBTN: begin
|
|
if GetNeedParentPaint(ChildWindowInfo, ChildWinControl) then
|
|
begin
|
|
// need to draw transparently, draw background
|
|
GetWin32ControlPos(LParam, Window, P.X, P.Y);
|
|
MoveWindowOrgEx(WParam, -P.X, -P.Y);
|
|
SendPaintMessage;
|
|
MoveWindowOrgEx(WParam, P.X, P.Y);
|
|
LMessage.Result := GetStockObject(HOLLOW_BRUSH);
|
|
SetBkMode(WParam, TRANSPARENT);
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
WM_CTLCOLORSCROLLBAR: begin
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
|
|
if WinProcess then
|
|
begin
|
|
if ChildWinControl <> nil then
|
|
begin
|
|
Windows.SetTextColor(HDC(WParam), Windows.COLORREF(ColorToRGB(ChildWinControl.Font.Color)));
|
|
Windows.SetBkColor(HDC(WParam), Windows.COLORREF(ColorToRGB(ChildWinControl.Brush.Color)));
|
|
LMessage.Result := LResult(ChildWinControl.Brush.Handle);
|
|
//DebugLn(['WindowProc ', ChildWinControl.Name, ' Brush: ', LMessage.Result]);
|
|
// Override default handling
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
end;
|
|
WM_CLEAR:
|
|
begin
|
|
LMessage.Msg := LM_CLEAR;
|
|
end;
|
|
WM_COPY:
|
|
begin
|
|
LMessage.Msg := LM_COPY;
|
|
end;
|
|
WM_CUT:
|
|
begin
|
|
LMessage.Msg := LM_CUT;
|
|
end;
|
|
WM_DESTROY:
|
|
begin
|
|
Assert(False, 'Trace:WindowProc - Got WM_DESTROY');
|
|
if lWinControl is TCheckListBox then
|
|
TWinCECheckListBoxStrings.DeleteItemRecords(Window);
|
|
if lWinControl is TCustomFloatSpinEdit then
|
|
DestroyFloatSpinEditBuddy(Window);
|
|
if lWinControl is TCustomComboBox then
|
|
DisposeComboEditWindowInfo(TCustomComboBox(lWinControl));
|
|
if WindowInfo^.Overlay<>HWND(nil) then
|
|
Windows.DestroyWindow(WindowInfo^.Overlay);
|
|
LMessage.Msg := LM_DESTROY;
|
|
end;
|
|
(* WM_DESTROYCLIPBOARD:
|
|
begin
|
|
if assigned(OnClipBoardRequest) then begin
|
|
{$IFDEF VerboseWin32Clipbrd}
|
|
debugln('WM_DESTROYCLIPBOARD');
|
|
{$ENDIF}
|
|
OnClipBoardRequest(0, nil);
|
|
OnClipBoardRequest := nil;
|
|
LMessage.Result := 0;
|
|
end;
|
|
end;*)
|
|
WM_DRAWITEM:
|
|
begin
|
|
// TODO: this could crash for a MenuItem.
|
|
WindowInfo := GetWindowInfo(PDrawItemStruct(LParam)^.hwndItem);
|
|
if WindowInfo^.WinControl<>nil then
|
|
lWinControl := WindowInfo^.WinControl;
|
|
{$IFDEF MSG_DEBUG}
|
|
with PDrawItemStruct(LParam)^ do
|
|
writeln(format('Received WM_DRAWITEM type %d handle %x', [ctlType, hwndItem]));
|
|
{$ENDIF}
|
|
|
|
if ((lWinControl is TCustomListbox) and
|
|
(TCustomListBox(lWinControl).Style <> lbStandard)) or
|
|
((lWinControl is TCustomCombobox) and
|
|
((TCustomCombobox(lWinControl).Style = csOwnerDrawFixed) or
|
|
(TCustomCombobox(lWinControl).Style = csOwnerDrawVariable))) then
|
|
begin
|
|
if PDrawItemStruct(LParam)^.itemID <> dword(-1) then
|
|
begin
|
|
LMessage.Msg := LM_DRAWLISTITEM;
|
|
TLMDrawListItem(LMessage).DrawListItemStruct := @DrawListItemStruct;
|
|
with DrawListItemStruct do begin
|
|
ItemID := PDrawItemStruct(LParam)^.itemID;
|
|
Area := PDrawItemStruct(LParam)^.rcItem;
|
|
ItemState := TOwnerDrawState(PDrawItemStruct(LParam)^.itemState);
|
|
DC := PDrawItemStruct(LParam)^._hDC;
|
|
end;
|
|
if WindowInfo <> @DefaultWindowInfo then
|
|
begin
|
|
WindowInfo^.DrawItemIndex := PDrawItemStruct(LParam)^.itemID;
|
|
WindowInfo^.DrawItemSelected := (PDrawItemStruct(LParam)^.itemState
|
|
and ODS_SELECTED) = ODS_SELECTED;
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
end else
|
|
if (lWinControl is TCustomBitBtn) and (PDrawItemStruct(LParam)^.ctlType = ODT_BUTTON) then
|
|
begin
|
|
DrawBitBtnImage(TCustomBitBtn(lWinControl), PDrawItemStruct(LParam));
|
|
WinProcess := False;
|
|
end
|
|
else
|
|
begin
|
|
with TLMDrawItems(LMessage) do
|
|
begin
|
|
Msg := LM_DRAWITEM;
|
|
Ctl := 0;
|
|
DrawItemStruct := PDrawItemStruct(LParam);
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
WM_ENABLE:
|
|
begin
|
|
If WParam <> 0 Then
|
|
LMessage.Msg := LM_SETEDITABLE;
|
|
If Window=TWinCEWidgetSet(WidgetSet).FAppHandle then
|
|
if WParam=0 then
|
|
DisableApplicationWindows(Window)
|
|
else
|
|
EnableApplicationWindows(Window);
|
|
|
|
If (lWinControl is TCustomFloatSpinEdit) then
|
|
EnableFloatSpinEditBuddy(Window, WParam<>0);
|
|
end;
|
|
WM_ERASEBKGND:
|
|
begin
|
|
eraseBkgndCommand := TEraseBkgndCommand(EraseBkgndStack and EraseBkgndStackMask);
|
|
{$ifdef MSG_DEBUG}
|
|
case eraseBkgndCommand of
|
|
ecDefault: DebugLn(MessageStackDepth, ' *command: default');
|
|
ecDiscardNoRemove, ecDiscard: DebugLn(MessageStackDepth, ' *command: completely ignore');
|
|
end;
|
|
DebugLn(MessageStackDepth, ' *erasebkgndstack: ', EraseBkgndStackToString);
|
|
{$endif}
|
|
if eraseBkgndCommand = ecDoubleBufferNoRemove then
|
|
begin
|
|
if DoubleBufferDC <> 0 then
|
|
WParam := DoubleBufferDC;
|
|
if WindowInfo^.isTabPage then
|
|
EraseBkgndStack := (EraseBkgndStack and not ((1 shl EraseBkgndStackShift)-1))
|
|
or dword(ecDiscardNoRemove);
|
|
end
|
|
else
|
|
if eraseBkgndCommand <> ecDiscardNoRemove then
|
|
EraseBkgndStack := EraseBkgndStack shr EraseBkgndStackShift;
|
|
if eraseBkgndCommand in [ecDiscard, ecDiscardNoRemove] then
|
|
begin
|
|
Result := 0;
|
|
exit;
|
|
end;
|
|
if not GetNeedParentPaint(WindowInfo, lWinControl) or (eraseBkgndCommand = ecDoubleBufferNoRemove) then
|
|
begin
|
|
LMessage.Msg := LM_ERASEBKGND;
|
|
LMessage.WParam := WParam;
|
|
LMessage.LParam := LParam;
|
|
end else
|
|
begin
|
|
SendPaintMessage;
|
|
LMessage.Result := 1;
|
|
end;
|
|
WinProcess := False;
|
|
end;
|
|
|
|
WM_EXITMENULOOP:
|
|
// is it a popup menu
|
|
if longbool(WPARAM) and assigned(WindowInfo^.PopupMenu) then
|
|
WindowInfo^.PopupMenu.Close;
|
|
WM_GETDLGCODE:
|
|
begin
|
|
LMessage.Result := DLGC_WANTALLKEYS;
|
|
WinProcess := false;
|
|
end;
|
|
{
|
|
* TODO: make it work... icon does not show up yet, so better disable it
|
|
WM_GETICON:
|
|
begin
|
|
if WindowInfo^.WinControl is TCustomForm then
|
|
begin
|
|
LMessage.Result := TCustomForm(WindowInfo^.WinControl).GetIconHandle;
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
}
|
|
WM_GETMINMAXINFO:
|
|
SetMinMaxInfo(PMINMAXINFO(LParam)^);
|
|
WM_HSCROLL:
|
|
HandleScrollMessage(LM_HSCROLL);
|
|
WM_KEYDOWN:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMKey;
|
|
with LMKey Do
|
|
begin
|
|
Msg := CN_KEYDOWN;
|
|
KeyData := LParam;
|
|
CharCode := Word(WParam);
|
|
Result := 0;
|
|
Assert(False,Format('WM_KEYDOWN KeyData= %d CharCode= %d ',[KeyData,CharCode]));
|
|
Assert(False,' lWinControl= '+TComponent(lWinControl).Name+':'+lWinControl.ClassName);
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
WM_KEYUP:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMKey;
|
|
with LMKey Do
|
|
begin
|
|
Msg := CN_KEYUP;
|
|
KeyData := LParam;
|
|
CharCode := Word(WParam);
|
|
Result := 0;
|
|
Assert(False,Format('WM_KEYUP KeyData= %d CharCode= %d ',[KeyData,CharCode]));
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
WM_KILLFOCUS:
|
|
begin
|
|
{$ifdef DEBUG_CARET}
|
|
DebugLn('WM_KILLFOCUS received for window ', IntToHex(Window, 8));
|
|
{$endif}
|
|
LMessage.Msg := LM_KILLFOCUS;
|
|
LMessage.WParam := WParam;
|
|
end;
|
|
//TODO:LM_KILLCHAR,LM_KILLWORD,LM_KILLLINE
|
|
WM_LBUTTONDBLCLK:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_LBUTTONDBLCLK;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
end;
|
|
|
|
// CheckListBox functionality
|
|
if lWinControl is TCheckListBox then
|
|
CheckListBoxLButtonDown;
|
|
end;
|
|
WM_LBUTTONDOWN:
|
|
begin
|
|
// if mouse-click, focus-change, mouse-click, cursor hasn't moved:
|
|
// simulate double click, assume focus change due to first mouse-click
|
|
if (MouseDownFocusStatus = mfFocusChanged) and (MouseDownFocusWindow = Window)
|
|
and (GetTickCount - MouseDownTime <= GetDoubleClickTime)
|
|
and CheckMouseMovement then
|
|
begin
|
|
PostMessage(Window, WM_LBUTTONDBLCLK, WParam, LParam);
|
|
end;
|
|
|
|
{$ifndef win32}
|
|
// Gesture recognition process to enable popup menus.
|
|
if (lWinControl.PopupMenu <> nil) then
|
|
begin
|
|
Info.cbSize := SizeOf(SHRGINFO);
|
|
Info.dwFlags := SHRG_RETURNCMD;
|
|
Info.hwndClient := Window;
|
|
Info.ptDown.x := Lo(LParam);
|
|
Info.ptDown.y := Hi(LParam);
|
|
|
|
SHRecognizeGesture(Info);
|
|
end;
|
|
{$endif}
|
|
|
|
MouseDownTime := GetTickCount;
|
|
MouseDownWindow := Window;
|
|
MouseDownFocusWindow := 0;
|
|
MouseDownFocusStatus := mfFocusSense;
|
|
GetCursorPos(MouseDownPos);
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_LBUTTONDOWN;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
end;
|
|
|
|
// CheckListBox functionality
|
|
if lWinControl is TCheckListBox then
|
|
CheckListBoxLButtonDown;
|
|
// focus window
|
|
if (Windows.GetFocus <> Window) and
|
|
((lWinControl = nil) or (lWinControl.CanFocus)) then
|
|
Windows.SetFocus(Window);
|
|
|
|
end;
|
|
WM_LBUTTONUP:
|
|
begin
|
|
if (MouseDownWindow = Window) and (MouseDownFocusStatus = mfNone) then
|
|
MouseDownFocusStatus := mfFocusSense;
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_LBUTTONUP;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
end;
|
|
end;
|
|
WM_MBUTTONDBLCLK:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_MBUTTONDBLCLK;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
end;
|
|
end;
|
|
WM_MBUTTONDOWN:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_MBUTTONDOWN;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
end;
|
|
end;
|
|
WM_MBUTTONUP:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_MBUTTONUP;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
end;
|
|
end;
|
|
WM_MOUSEHOVER:
|
|
begin
|
|
NotifyUserInput := True;
|
|
LMessage.Msg := LM_ENTER;
|
|
end;
|
|
WM_MOUSELEAVE:
|
|
begin
|
|
NotifyUserInput := True;
|
|
LMessage.Msg := LM_LEAVE;
|
|
end;
|
|
WM_MOUSEMOVE:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouseMove;
|
|
with LMMouseMove Do
|
|
begin
|
|
Msg := LM_MOUSEMOVE;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
// check if this is a spurious WM_MOUSEMOVE message, pos not actually changed
|
|
if (XPos = WindowInfo^.MouseX) and (YPos = WindowInfo^.MouseY) then
|
|
begin
|
|
// do not fire message after all (position not changed)
|
|
Msg := LM_NULL;
|
|
NotifyUserInput := false;
|
|
end else
|
|
if WindowInfo <> @DefaultWindowInfo then
|
|
begin
|
|
// position changed, update window info
|
|
WindowInfo^.MouseX := XPos;
|
|
WindowInfo^.MouseY := YPos;
|
|
end;
|
|
end;
|
|
end;
|
|
WM_MOUSEWHEEL:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouseEvent;
|
|
with LMMouseEvent Do
|
|
begin
|
|
X := SmallInt(Lo(LParam));
|
|
Y := SmallInt(Hi(LParam));
|
|
// check if mouse cursor within this window, otherwise send message to window the mouse is hovering over
|
|
P.X := X;
|
|
P.Y := Y;
|
|
TargetWindow := TWinCEWidgetSet(WidgetSet).WindowFromPoint(P);
|
|
if TargetWindow = HWND(nil) then
|
|
exit;
|
|
|
|
|
|
|
|
|
|
// check if the window is an edit control of a combobox, if so,
|
|
// redirect it to the combobox, not the edit control
|
|
if GetWindowInfo(TargetWindow)^.isComboEdit then
|
|
begin
|
|
TargetWindow := Windows.GetParent(TargetWindow);
|
|
if (TargetWindow <> Window) then
|
|
begin
|
|
Result := SendMessage(TargetWindow, WM_MOUSEWHEEL, WParam, LParam);
|
|
exit;
|
|
end;
|
|
end;
|
|
|
|
// the mousewheel message is for us
|
|
// windows handles combobox's mousewheel messages
|
|
if (lWinControl=nil) or (lWinControl.FCompStyle <> csComboBox) then
|
|
begin
|
|
Msg := LM_MOUSEWHEEL;
|
|
Button := Lo(WParam);
|
|
WheelDelta := SmallInt(Hi(WParam));
|
|
State := GetShiftState;
|
|
UserData := Pointer(GetWindowLong(Window, GWL_USERDATA));
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
end;
|
|
{$IFDEF EnableWMDropFiles}
|
|
WM_DROPFILES:
|
|
begin
|
|
LMessage.Msg := LM_DROPFILES;
|
|
LMessage.WParam := WParam;
|
|
LMessage.LParam := LParam;
|
|
end;
|
|
{$ENDIF}
|
|
//TODO:LM_MOVEPAGE,LM_MOVETOROW,LM_MOVETOCOLUMN
|
|
WM_NCACTIVATE:
|
|
begin
|
|
// do not allow main form to be deactivated
|
|
if (Application <> nil) and (Application.MainForm <> nil) and
|
|
Application.MainForm.HandleAllocated and (Window = Application.MainForm.Handle) and
|
|
(WParam = 0) then
|
|
begin
|
|
WParam := 1;
|
|
end;
|
|
end;
|
|
WM_NCHITTEST:
|
|
begin
|
|
if (lWinControl <> nil) then begin
|
|
if (lWinControl.FCompStyle = csHintWindow) then
|
|
begin
|
|
LMessage.Result := HTTRANSPARENT;
|
|
WinProcess := false;
|
|
end
|
|
else if (lWinControl is TCustomGroupBox) then
|
|
begin
|
|
LMessage.Result := HTCLIENT;
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
end;
|
|
WM_NCLBUTTONDOWN:
|
|
begin
|
|
NotifyUserInput := True;
|
|
Assert(False, 'Trace:WindowProc - Got WM_NCLBUTTONDOWN');
|
|
end;
|
|
WM_NOTIFY:
|
|
begin
|
|
WindowInfo := GetWindowInfo(PNMHdr(LParam)^.hwndFrom);
|
|
{$ifdef MSG_DEBUG}
|
|
DebugLn([MessageStackDepth, 'Notify code: ', PNMHdr(LParam)^.code]);
|
|
{$endif}
|
|
case PNMHdr(LParam)^.code of
|
|
0 :;
|
|
{ MCN_SELCHANGE:
|
|
begin
|
|
LMessage.Msg := LM_CHANGED;
|
|
if WindowInfo^.WinControl <> nil then
|
|
lWinControl := WindowInfo^.WinControl;
|
|
end;
|
|
UDN_DELTAPOS:
|
|
begin
|
|
if WindowInfo^.WinControl <> nil then
|
|
HandleSpinEditDeltaPos(PNMUpDown(LParam));
|
|
end;}
|
|
else
|
|
PLMsg:=@LMNotify;
|
|
with LMNotify Do
|
|
begin
|
|
Msg := LM_NOTIFY;
|
|
IDCtrl := WParam;
|
|
NMHdr := PNMHDR(LParam);
|
|
with NMHdr^ do
|
|
case code of
|
|
TCN_SELCHANGE:
|
|
idFrom := ShowHideTabPage(HWndFrom, true);
|
|
NM_CUSTOMDRAW:
|
|
begin
|
|
if WindowInfo^.WinControl is TCustomListView
|
|
then HandleListViewCustomDraw(TCustomListViewAccess(WindowInfo^.WinControl));
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
WM_PAINT:
|
|
begin
|
|
SendPaintMessage;
|
|
// SendPaintMessage sets winprocess to false
|
|
end;
|
|
WM_PASTE:
|
|
begin
|
|
LMessage.Msg := LM_PASTE;
|
|
end;
|
|
WM_RBUTTONDBLCLK:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_RBUTTONDBLCLK;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
end;
|
|
end;
|
|
WM_RBUTTONDOWN:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_RBUTTONDOWN;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
Result := 0;
|
|
end;
|
|
end;
|
|
WM_RBUTTONUP:
|
|
begin
|
|
NotifyUserInput := True;
|
|
WinProcess := false;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_RBUTTONUP;
|
|
XPos := SmallInt(Lo(LParam));
|
|
YPos := SmallInt(Hi(LParam));
|
|
Keys := WParam;
|
|
Result := 0;
|
|
end;
|
|
end;
|
|
WM_CONTEXTMENU:
|
|
begin
|
|
WinProcess := false;
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMMouse;
|
|
with LMMouse Do
|
|
begin
|
|
Msg := LM_RBUTTONUP;
|
|
XPos := GET_X_LPARAM(LParam);
|
|
YPos := GET_Y_LPARAM(LParam);
|
|
Result := 0;
|
|
end;
|
|
if (LMMouse.XPos<>-1) and (LMMouse.YPos<>-1) then
|
|
begin
|
|
P := SmallPointToPoint(LMMouse.Pos);
|
|
Windows.ScreenToClient(Window, Windows.POINT(P));
|
|
LMMouse.Pos := PointToSmallPoint(P);
|
|
end
|
|
else
|
|
begin
|
|
LMMouse.XPos := 0;
|
|
LMMouse.YPos := 0; {TODO : Fix that in future because popup menu should
|
|
appear near selected element of control}
|
|
end;
|
|
end;
|
|
WM_SETCURSOR:
|
|
begin
|
|
HandleSetCursor;
|
|
end;
|
|
WM_SETFOCUS:
|
|
begin
|
|
{$ifdef DEBUG_CARET}
|
|
DebugLn('WM_SETFOCUS received for window ', IntToHex(Window, 8));
|
|
{$endif}
|
|
// handle feature mouse-click, setfocus, mouse-click -> double-click
|
|
if (Window <> MouseDownWindow) and (MouseDownFocusStatus <> mfNone) then
|
|
begin
|
|
MouseDownFocusStatus := mfFocusChanged;
|
|
MouseDownFocusWindow := Window;
|
|
end;
|
|
LMessage.Msg := LM_SETFOCUS;
|
|
if (lWinControl <> nil) and (lWinControl.FCompStyle = csEdit) then
|
|
Windows.SendMessage(Window, EM_SETSEL, 0, -1);
|
|
// RadioButton functionality
|
|
if (lWinControl <> nil) and (lWinControl is TRadioButton) then
|
|
Windows.SendMessage(Window, BM_SETCHECK, BST_CHECKED, 0);
|
|
end;
|
|
WM_SHOWWINDOW:
|
|
begin
|
|
Assert(False, 'Trace:WindowProc - Got WM_SHOWWINDOW');
|
|
with TLMShowWindow(LMessage) Do
|
|
begin
|
|
Msg := LM_SHOWWINDOW;
|
|
Show := WParam <> 0;
|
|
Status := LParam;
|
|
end;
|
|
|
|
if assigned(lWinControl) and ((WParam<>0) or not lWinControl.Visible)
|
|
and ((WParam=0) or lWinControl.Visible)
|
|
and (Application<>nil) and (lWinControl=Application.MainForm) then
|
|
begin
|
|
if WParam=0 then
|
|
Flags := SW_HIDE
|
|
else
|
|
Flags := SW_SHOWNOACTIVATE;
|
|
Windows.ShowWindow(TWinCEWidgetSet(WidgetSet).FAppHandle, Flags);
|
|
end;
|
|
end;
|
|
WM_SYSCHAR:
|
|
begin
|
|
PLMsg:=@LMChar;
|
|
with LMChar Do
|
|
begin
|
|
Msg := CN_SYSCHAR;
|
|
KeyData := LParam;
|
|
CharCode := Word(WParam);
|
|
Result := 0;
|
|
Assert(False,Format('WM_CHAR KeyData= %d CharCode= %d ',[KeyData,CharCode]));
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
WM_SYSCOMMAND:
|
|
begin
|
|
HandleSysCommand;
|
|
end;
|
|
WM_SYSKEYDOWN:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMKey;
|
|
with LMKey Do
|
|
begin
|
|
Msg := CN_SYSKEYDOWN;
|
|
KeyData := LParam;
|
|
CharCode := Word(WParam);
|
|
Result := 0;
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
WM_SYSKEYUP:
|
|
begin
|
|
NotifyUserInput := True;
|
|
PLMsg:=@LMKey;
|
|
with LMKey Do
|
|
begin
|
|
Msg := CN_SYSKEYUP;
|
|
KeyData := LParam;
|
|
CharCode := Word(WParam);
|
|
Result := 0;
|
|
end;
|
|
WinProcess := false;
|
|
end;
|
|
WM_TIMER:
|
|
begin
|
|
LMessage.Msg := LM_TIMER;
|
|
LMessage.WParam := WParam;
|
|
LMessage.LParam := LParam;
|
|
end;
|
|
WM_VSCROLL:
|
|
HandleScrollMessage(LM_VSCROLL);
|
|
WM_WINDOWPOSCHANGED:
|
|
begin
|
|
with TLMWindowPosMsg(LMessage) Do
|
|
begin
|
|
Msg := LM_WINDOWPOSCHANGED;
|
|
Unused := WParam;
|
|
WindowPos := PWindowPos(LParam);
|
|
end;
|
|
// cross-interface compatible: complete invalidate on resize
|
|
if (PWindowPos(LParam)^.flags and SWP_NOSIZE) = 0 then
|
|
Windows.InvalidateRect(Window, nil, true);
|
|
end;
|
|
WM_MEASUREITEM:
|
|
begin
|
|
if LWinControl<>nil then
|
|
begin
|
|
if LWinControl is TCustomCombobox then
|
|
begin
|
|
LMessage.Msg := LM_MEASUREITEM;
|
|
LMessage.LParam := LParam;
|
|
LMessage.WParam := WParam;
|
|
Winprocess := False;
|
|
end else
|
|
if WParam <> 0 then
|
|
begin
|
|
LWinControl := TWinControl(WParam);
|
|
if LWinControl<>nil then
|
|
begin
|
|
LMessage.Msg := LM_MEASUREITEM;
|
|
LMessage.LParam := LParam;
|
|
LMessage.WParam := WParam;
|
|
Winprocess := False;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
WM_LCL_SOCK_ASYNC:
|
|
begin
|
|
if (Window = TWinCEWidgetSet(WidgetSet).AppHandle) and
|
|
Assigned(TWinCEWidgetSet(WidgetSet).FOnAsyncSocketMsg) then
|
|
exit(TWinCEWidgetSet(WidgetSet).FOnAsyncSocketMsg(WParam, LParam))
|
|
end;
|
|
else
|
|
// pass along user defined messages
|
|
if Msg >= WM_USER then
|
|
begin
|
|
LMessage.Msg := Msg;
|
|
LMessage.WParam := WParam;
|
|
LMessage.LParam := LParam;
|
|
WinProcess := false;
|
|
end;
|
|
end;
|
|
|
|
If WinProcess Then
|
|
begin
|
|
PLMsg^.Result := CallDefaultWindowProc(Window, Msg, WParam, LParam);
|
|
WinProcess := false;
|
|
end;
|
|
|
|
case Msg of
|
|
WM_MOVE:
|
|
begin
|
|
PLMsg:=@LMMove;
|
|
with LMMove Do
|
|
begin
|
|
Msg := LM_MOVE;
|
|
// MoveType := WParam; WParam is not defined!
|
|
MoveType := Move_SourceIsInterface;
|
|
if (lWinControl is TCustomForm)
|
|
and (TCustomForm(lWinControl).Parent=nil) then
|
|
begin
|
|
if Windows.GetWindowRect(Window,@R) then
|
|
begin
|
|
XPos := R.Left;
|
|
YPos := R.Top;
|
|
end else begin
|
|
Msg := LM_NULL;
|
|
end;
|
|
end else begin
|
|
if GetWindowRelativePosition(Window,NewLeft,NewTop) then
|
|
begin
|
|
XPos := NewLeft;
|
|
YPos := NewTop;
|
|
end else begin
|
|
Msg := LM_NULL;
|
|
end;
|
|
end;
|
|
if lWinControl <> nil then begin
|
|
{$IFDEF VerboseSizeMsg}
|
|
DebugLn('WinCECallBack WM_MOVE ', dbgsName(lWinControl),
|
|
' NewPos=',dbgs(XPos),',',dbgs(YPos));
|
|
{$ENDIF}
|
|
if (lWinControl.Left=XPos) and (lWinControl.Top=YPos) then
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
WM_SIZE:
|
|
begin
|
|
with TLMSize(LMessage) Do
|
|
begin
|
|
Msg := LM_SIZE;
|
|
SizeType := WParam or Size_SourceIsInterface;
|
|
if Window = TWinCEWidgetSet(WidgetSet).AppHandle then
|
|
begin
|
|
lWinControl := Application.MainForm;
|
|
Window := Application.MainForm.Handle;
|
|
end;
|
|
GetWindowSize(Window, NewWidth, NewHeight);
|
|
Width := NewWidth;
|
|
Height := NewHeight;
|
|
if lWinControl <> nil then
|
|
begin
|
|
{$IFDEF VerboseSizeMsg}
|
|
GetClientRect(Window,R);
|
|
DebugLn('WinCECallback: WM_SIZE '+ dbgsName(lWinControl)+
|
|
' NewSize=', dbgs(Width)+','+dbgs(Height)+
|
|
' HasVScroll='+dbgs((GetWindowLong(Window, GWL_STYLE) and WS_VSCROLL) <> 0)+
|
|
' HasHScroll='+dbgs((GetWindowLong(Window, GWL_STYLE) and WS_HSCROLL) <> 0)+
|
|
' OldClientSize='+dbgs(lWinControl.CachedClientWidth)+','+dbgs(lWinControl.CachedClientHeight)+
|
|
' NewClientSize='+dbgs(R.Right)+','+dbgs(R.Bottom));
|
|
{$ENDIF}
|
|
if (lWinControl.Width<>Width) or (lWinControl.Height<>Height)
|
|
or lWinControl.ClientRectNeedsInterfaceUpdate then
|
|
begin
|
|
lWinControl.InvalidateClientRectCache(true);
|
|
lWinControl.DoAdjustClientRectChange;
|
|
if (lWinControl is TCustomPage)
|
|
and (lWinControl.Parent is TCustomNotebook) then
|
|
begin
|
|
// the TCustomPage size is the ClientRect size of the parent
|
|
// => invalidate the Parent.ClientRect
|
|
lWinControl.Parent.InvalidateClientRectCache(false);
|
|
end;
|
|
end;
|
|
end;
|
|
OverlayWindow := GetWindowInfo(Window)^.Overlay;
|
|
if OverlayWindow <> 0 then
|
|
Windows.SetWindowPos(OverlayWindow, HWND_TOP, 0, 0, NewWidth, NewHeight, SWP_NOMOVE);
|
|
end;
|
|
end;
|
|
BM_SETCHECK:
|
|
begin
|
|
if (WParam=BST_CHECKED) and (lWinControl is TRadioButton) then
|
|
ClearSiblingRadioButtons(TRadioButton(lWinControl));
|
|
end;
|
|
|
|
//roozbeh : dont have these on ce!
|
|
{WM_ENDSESSION:
|
|
begin
|
|
if (Application<>nil) and (TWinCEWidgetSet(WidgetSet).AppHandle=Window) and
|
|
(WParam>0) and (LParam=0) then
|
|
begin
|
|
LMessage.Msg := LM_NULL; // no need to go through delivermessage
|
|
Application.IntfEndSession();
|
|
LMessage.Result := 0;
|
|
end;
|
|
end;
|
|
|
|
WM_QUERYENDSESSION:
|
|
begin
|
|
if (Application<>nil) and (TWinCEWidgetSet(WidgetSet).AppHandle=Window) and
|
|
(LParam=0) then
|
|
begin
|
|
LMessage.Msg := LM_NULL; // no need to go through delivermessage
|
|
CancelEndSession := LMessage.Result=0;
|
|
Application.IntfQueryEndSession(CancelEndSession);
|
|
if CancelEndSession
|
|
then LMessage.Result := 0
|
|
else LMessage.Result := 1;
|
|
end;
|
|
end;}
|
|
|
|
end;
|
|
|
|
// convert from wince client to lcl client pos.
|
|
//
|
|
// hack to prevent GetLCLClientBoundsOffset from changing mouse client
|
|
// coordinates for TScrollingWinControls, this is required in
|
|
// IsControlMouseMsg and ControlAtPos where unscrolled client coordinates
|
|
// are expected.
|
|
if (PLMsg = @LMMouseMove) and not (lWinControl is TScrollingWinControl) then
|
|
begin
|
|
if GetLCLClientBoundsOffset(Window, R) then
|
|
begin
|
|
Dec(LMMouseMove.XPos, R.Left);
|
|
Dec(LMMouseMove.YPos, R.Top);
|
|
end;
|
|
end else
|
|
if (PLMsg = @LMMouse) and not (lWinControl is TScrollingWinControl) then
|
|
begin
|
|
if GetLCLClientBoundsOffset(Window, R) then
|
|
begin
|
|
Dec(LMMouse.XPos, R.Left);
|
|
Dec(LMMouse.YPos, R.Top);
|
|
end;
|
|
end;
|
|
|
|
// application processing
|
|
if NotifyUserInput then
|
|
NotifyApplicationUserInput(PLMsg^.Msg);
|
|
|
|
if (lWinControl <> nil) and (PLMsg^.Msg <> LM_NULL) then
|
|
DeliverMessage(lWinControl, PLMsg^);
|
|
|
|
// respond to result of LCL handling the message
|
|
case PLMsg^.Msg of
|
|
LM_ERASEBKGND, LM_SETCURSOR, LM_RBUTTONUP:
|
|
begin
|
|
if PLMsg^.Result = 0 then
|
|
WinProcess := true;
|
|
end;
|
|
|
|
CN_CHAR, CN_SYSCHAR:
|
|
begin
|
|
// if key not yet processed, let windows process it
|
|
WinProcess := LMChar.Result = 0;
|
|
WParam := LMChar.CharCode;
|
|
end;
|
|
|
|
CN_KEYDOWN, CN_KEYUP, CN_SYSKEYDOWN, CN_SYSKEYUP:
|
|
begin
|
|
// if key not yet processed, let windows process it
|
|
WinProcess := LMKey.Result = 0;
|
|
WParam := LMKey.CharCode;
|
|
end;
|
|
|
|
LM_NOTIFY:
|
|
begin
|
|
with LMNotify.NMHdr^ do
|
|
case code of
|
|
TCN_SELCHANGING:
|
|
if LMNotify.Result = 0 then
|
|
ShowHideTabPage(HWndFrom, False);
|
|
end;
|
|
end;
|
|
|
|
else
|
|
case Msg of
|
|
WM_LBUTTONDOWN, WM_LBUTTONUP:
|
|
begin
|
|
if MouseDownFocusStatus = mfFocusSense then
|
|
MouseDownFocusStatus := mfNone;
|
|
end;
|
|
|
|
|
|
WM_NCDESTROY:
|
|
begin
|
|
//roozbeh : test this....
|
|
// free our own data associated with window
|
|
if DisposeWindowInfo(Window) then
|
|
WindowInfo := nil;
|
|
//EnumProps(Window, @PropEnumProc);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
if WinProcess then
|
|
begin
|
|
PLMsg^.Result := CallDefaultWindowProc(Window, Msg, WParam, LParam);
|
|
case Msg of
|
|
WM_CHAR, WM_KEYDOWN, WM_KEYUP,
|
|
WM_SYSCHAR, WM_SYSKEYDOWN, WM_SYSKEYUP:
|
|
begin
|
|
PLMsg^.Result := 0;
|
|
case Msg of
|
|
WM_CHAR:
|
|
begin
|
|
// if want chars, then handled already
|
|
PLMsg^.Result := CallDefaultWindowProc(Window, WM_GETDLGCODE, 0, 0) and DLGC_WANTCHARS;
|
|
LMChar.CharCode := Word(WParam);
|
|
LMChar.Msg := LM_CHAR;
|
|
end;
|
|
WM_SYSCHAR:
|
|
begin
|
|
LMChar.CharCode := Word(WParam);
|
|
LMChar.Msg := LM_SYSCHAR;
|
|
end;
|
|
WM_KEYDOWN:
|
|
begin
|
|
LMKey.CharCode := Word(WParam);
|
|
LMKey.Msg := LM_KEYDOWN;
|
|
end;
|
|
WM_KEYUP:
|
|
begin
|
|
LMKey.CharCode := Word(WParam);
|
|
LMKey.Msg := LM_KEYUP;
|
|
end;
|
|
WM_SYSKEYDOWN:
|
|
begin
|
|
LMKey.CharCode := Word(WParam);
|
|
LMKey.Msg := LM_SYSKEYDOWN;
|
|
end;
|
|
WM_SYSKEYUP:
|
|
begin
|
|
LMKey.CharCode := Word(WParam);
|
|
LMKey.Msg := LM_SYSKEYUP;
|
|
end;
|
|
end;
|
|
|
|
// we cannot tell for sure windows didn't want the key
|
|
// for WM_CHAR check WM_GETDLGCODE/DLGC_WANTCHARS
|
|
// winapi too inconsistent about return value
|
|
if PLMsg^.Result = 0 then
|
|
DeliverMessage(lWinControl, PLMsg^);
|
|
|
|
// handle Ctrl-A for edit controls
|
|
if (PLMsg^.Result = 0) and (Msg = WM_KEYDOWN) and (WParam = Ord('A'))
|
|
and (GetKeyState(VK_CONTROL) < 0) and (GetKeyState(VK_MENU) >= 0) then
|
|
begin
|
|
GetClassName(Window, @winClassName, 20);
|
|
if CompareMem(@winClassName, @EditClsName, High(EditClsName)+1) then
|
|
begin
|
|
// select all
|
|
Windows.SendMessage(Window, EM_SETSEL, 0, -1);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
// ignore WM_(SYS)CHAR message if LCL handled WM_(SYS)KEYDOWN
|
|
if ((Msg = WM_KEYDOWN) or (Msg = WM_SYSKEYDOWN)) then
|
|
begin
|
|
if (PLMsg^.Result <> 0) then
|
|
begin
|
|
{$ifdef MSG_DEBUG}
|
|
writeln(MessageStackDepth, ' *ignore next character');
|
|
{$endif}
|
|
IgnoreNextCharWindow := Window;
|
|
end else begin
|
|
// stop ignoring if KEYUP has come by (not all keys generate CHAR)
|
|
// assume WM_CHAR is always preceded by WM_KEYDOWN
|
|
{$ifdef MSG_DEBUG}
|
|
if IgnoreNextCharWindow <> 0 then
|
|
writeln(MessageStackDepth, ' *stop ignoring next character');
|
|
{$endif}
|
|
IgnoreNextCharWindow := 0;
|
|
end;
|
|
end;
|
|
|
|
{ LMMouseEvent and LMInsertText have no Result field }
|
|
|
|
if PLMsg = @LMScroll then Result := LMScroll.Result
|
|
else if PLMsg = @LMKey then Result := LMKey.Result
|
|
else if PLMsg = @LMChar then Result := LMChar.Result
|
|
else if PLMsg = @LMMouse then Result := LMMouse.Result
|
|
else if PLMsg = @LMMouseMove then Result := LMMouseMove.Result
|
|
else if PLMsg = @LMMove then Result := LMMove.Result
|
|
else if PLMsg = @LMNotify then Result := LMNotify.Result
|
|
else if PLMsg = @LMMouseEvent then Result := 1
|
|
else Result := PLMsg^.Result;
|
|
|
|
Assert(False, 'Trace:WindowProc - Exit');
|
|
end;
|
|
|
|
{$ifdef MSG_DEBUG}
|
|
|
|
function WindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
|
|
LParam: Windows.LParam): LResult; stdcall;
|
|
begin
|
|
DebugLn(MessageStackDepth, 'WindowProc called for window=', IntToHex(Window, 8),' msg=',
|
|
WM_To_String(msg),' wparam=', IntToHex(WParam, 8), ' lparam=', IntToHex(lparam, 8));
|
|
MessageStackDepth := MessageStackDepth + ' ';
|
|
|
|
Result := RealWindowProc(Window, Msg, WParam, LParam);
|
|
|
|
setlength(MessageStackDepth, length(MessageStackDepth)-1);
|
|
end;
|
|
|
|
|
|
{$else}
|
|
//here was everything previously on this source file
|
|
|
|
{------------------------------------------------------------------------------
|
|
Function: WindowProc
|
|
Params: Window - The window that receives a message
|
|
Msg - The message received
|
|
WParam - Word parameter
|
|
LParam - Long-integer parameter
|
|
Returns: 0 if Msg is handled; non-zero long-integer result otherwise
|
|
|
|
Handles the messages sent to the specified window, in parameter Window, by
|
|
Windows or other applications
|
|
------------------------------------------------------------------------------}
|
|
(*
|
|
function WindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
|
|
LParam: Windows.LParam): LResult; stdcall;
|
|
var
|
|
LMessage: TLMessage;
|
|
PLMsg: PLMessage;
|
|
begin
|
|
{$ifdef VerboseWinCE}
|
|
WriteLn('WindowProc: Msg = ' + IntToStr(Msg));
|
|
{$endif}
|
|
|
|
Result := 0;
|
|
|
|
LMessage.Result := 0;
|
|
LMessage.Msg := LM_NULL;
|
|
|
|
case Msg of
|
|
|
|
WM_CLOSE:
|
|
begin
|
|
DestroyWindow(Window);
|
|
end;
|
|
|
|
WM_DESTROY :
|
|
begin
|
|
PostQuitMessage(0);
|
|
end;
|
|
else
|
|
Result := DefWindowProc(Window, Msg, wParam, lParam);
|
|
end;
|
|
end;
|
|
*)
|
|
{$endif}
|
|
|
|
{------------------------------------------------------------------------------
|
|
Function: ComboBoxWindowProc
|
|
Params: Window - The window that receives a message
|
|
Msg - The message received
|
|
WParam - Word parameter
|
|
LParam - Long-integer parameter
|
|
Returns: 0 if Msg is handled; non-zero long-integer result otherwise
|
|
|
|
Handles the messages sent to a combobox control by Windows or other
|
|
applications
|
|
------------------------------------------------------------------------------}
|
|
function ComboBoxWindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
|
|
LParam: Windows.LParam): LResult; cdecl;
|
|
begin
|
|
// darn MS: if combobox has edit control, and combobox receives focus, it
|
|
// passes it on to the edit, so it will send a WM_KILLFOCUS; inhibit
|
|
// also don't pass WM_SETFOCUS to the lcl,
|
|
// it will get one from the edit control
|
|
if ((Msg = WM_KILLFOCUS) or (Msg = WM_SETFOCUS)) and
|
|
(GetTopWindow(Window) <> HWND(nil)) then
|
|
begin
|
|
// continue normal processing, don't send to lcl
|
|
Result := CallDefaultWindowProc(Window, Msg, WParam, LParam);
|
|
end else begin
|
|
// normal processing
|
|
Result := WindowProc(Window, Msg, WParam, LParam);
|
|
end;
|
|
end;
|
|
|
|
{------------------------------------------------------------------------------
|
|
Procedure: TimerCallBackProc
|
|
Params: window_hnd - handle of window for timer message, not set in this implementation
|
|
msg - WM_TIMER message
|
|
idEvent - timer identifier
|
|
dwTime - current system time
|
|
|
|
Calls the timerfunction in the Timer Object in the LCL
|
|
------------------------------------------------------------------------------}
|
|
|
|
procedure TimerCallBackProc(window_hwnd : hwnd; msg , idEvent: UINT; dwTime: DWORD);
|
|
{$ifdef win32}stdcall{$else}cdecl{$endif};
|
|
Var
|
|
TimerInfo: PWinCETimerInfo;
|
|
n: Integer;
|
|
begin
|
|
n := FTimerData.Count;
|
|
while (n>0) do begin
|
|
dec(n);
|
|
TimerInfo := FTimerData[n];
|
|
if TimerInfo^.TimerID=idEvent then begin
|
|
TimerInfo^.TimerFunc;
|
|
break;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|