lazarus/lcl/interfaces/win32/win32callback.inc
2005-06-14 07:30:51 +00:00

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{%MainUnit win32int.pp}
{
*****************************************************************************
* *
* This file is part of the Lazarus Component Library (LCL) *
* *
* See the file COPYING.LCL, included in this distribution, *
* for details about the copyright. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* *
*****************************************************************************
}
{$IFOPT C-}
// Uncomment for local trace
// {$C+}
// {$DEFINE ASSERT_IS_ON}
{$ENDIF}
{*************************************************************}
{ callback routines }
{*************************************************************}
procedure PrepareSynchronize;
begin
TWin32WidgetSet(InterfaceObject).HandleWakeMainThread(nil);
end;
{ addition XP messages }
const
WM_THEMECHANGED = $31A;
{-----------------------------------------------------------------------------
Function: PropEnumProc
Params: Window - The window with the property
Str - The property name
Data - The property value
Returns: Whether the enumeration should continue
Enumerates and removes properties for the target window
-----------------------------------------------------------------------------}
Function PropEnumProc(Window: Hwnd; Str: PChar; Data: Handle): LongBool; StdCall;
Begin
Result:=false;
if (DWORD(Str) and DWORD($FFFF0000)) = 0 then Exit; // global atom handle
Assert(False, 'Trace:PropEnumProc - Start');
Assert(False, Format('Trace:PropEnumProc - Property %S (with value 0x%X) from window 0x%X removed',
[String(Str), Data, Window]));
RemoveProp(Window, Str);
Result := True;
Assert(False, 'Trace:PropEnumProc - Exit');
End;
{------------------------------------------------------------------------------
Function: CallDefaultWindowProc
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
Passes message on to 'default' handler. This can be a control specific window
procedure or the default window procedure.
------------------------------------------------------------------------------}
function CallDefaultWindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
LParam: Windows.LParam): LResult;
var
PrevWndProc: Windows.WNDPROC;
begin
PrevWndProc := GetWindowInfo(Window)^.DefWndProc;
if PrevWndProc = nil then
Result := Windows.DefWindowProc(Window, Msg, WParam, LParam)
else
Result := Windows.CallWindowProc(PrevWndProc, Window, Msg, WParam, LParam);
end;
type
TEraseBkgndCommand = (ecDefault, ecNoMsg);
const
EraseBkgndStackMask = $3;
EraseBkgndStackShift = 2;
var
EraseBkgndStack: dword;
{$ifdef MSG_DEBUG}
MessageStackDepth: string;
{$endif}
procedure PushEraseBkgndCommand(Command: TEraseBkgndCommand);
begin
EraseBkgndStack := (EraseBkgndStack shl EraseBkgndStackShift) or dword(Ord(Command));
end;
//TODO: added temporarily to fix compilation,
//should probably removed soon, as the LCL does not listen to it.
type
PLMInsertText = ^TLMInsertText;
TLMInsertText = record
Msg : Cardinal;
NewText : String;
Length : Integer;
Position : Integer;
UserData : Pointer;
end;
{------------------------------------------------------------------------------
Function: WindowProc
Params: Window - The window that receives a message
Msg - The message received
WParam - Word parameter
LParam - Long-integer parameter
Returns: 0 if Msg is handled; non-zero long-integer result otherwise
Handles the messages sent to the specified window, in parameter Window, by
Windows or other applications
------------------------------------------------------------------------------}
Function
{$ifdef MSG_DEBUG}
RealWindowProc
{$else}
WindowProc
{$endif}
(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
LParam: Windows.LParam): LResult; stdcall;
Var
LMessage: TLMessage;
PLMsg: PLMessage;
R: TRect;
P: TPoint;
NewLeft, NewTop, NewWidth, NewHeight: integer;
lWinControl, ChildWinControl: TWinControl;
TargetObject: TObject;
WinProcess: Boolean;
NotifyUserInput: Boolean;
OverlayWindow: HWND;
TargetWindow: HWND;
eraseBkgndCommand: TEraseBkgndCommand;
winClassName: array[0..19] of char;
WindowInfo: PWindowInfo;
Flags: dword;
LMInsertText: TLMInsertText; // used by CB_INSERTSTRING, LB_INSERTSTRING
LMScroll: TLMScroll; // used by WM_HSCROLL
LMKey: TLMKey; // used by WM_KEYDOWN WM_KEYUP
LMChar: TLMChar; // used by WM_CHAR
LMMouse: TLMMouse; // used by WM_LBUTTONDBLCLK
LMMouseMove: TLMMouseMove; // used by WM_MOUSEMOVE
LMMouseEvent: TLMMouseEvent; // used by WM_MOUSEWHEEL
LMMove: TLMMove; // used by WM_MOVE
LMNotify: TLMNotify; // used by WM_NOTIFY
DrawListItemStruct: TDrawListItemStruct; //used by WM_DRAWITEM
procedure ShowHideTabPage(NotebookHandle: HWnd; Showing: boolean);
var
NoteBook: TCustomNotebook;
PageIndex, Flags: Integer;
PageHandle: HWND;
begin
Notebook := GetWindowInfo(NotebookHandle)^.WinControl as TCustomNotebook;
PageIndex := Windows.SendMessage(NotebookHandle, TCM_GETCURSEL, 0, 0);
if PageIndex = -1 then exit;
PageHandle := Notebook.CustomPage(PageIndex).Handle;
if Showing then
Flags := SW_SHOW
else
Flags := SW_HIDE;
Windows.ShowWindow(PageHandle, Flags);
if Showing then
NotebookTabChanged(Notebook, PageIndex);
end;
function GetMenuItemObject: TObject;
var MenuInfo: MENUITEMINFO;
MainMenuHandle: HMENU;
begin
Result:=nil;
MenuInfo.cbSize:=sizeof(MENUITEMINFO);
MenuInfo.fMask:=MIIM_DATA;
{first we have to decide if the command is from a popup menu or from the window main menu}
//if the 'PopupMenu' property exists, there is a big probability that the command is from a popup menu
MainMenuHandle := GetWindowInfo(Window)^.PopupMenu;
if MainMenuHandle<>0 then //processing popup menu
begin
WindowInfo^.PopupMenu := 0;
{GetMenuItemInfo can be FALSE when the 'PopupMenu' property was not
removed in the last popup menu processing (no menuitem was selected)}
if GetMenuItemInfo(MainMenuHandle, Lo(WParam), false, @MenuInfo)
then Result := TObject(MenuInfo.dwItemData);
end;
if Result=nil then //if Result is still nil, process main menu
begin
MainMenuHandle := GetMenu(Window);
if GetMenuItemInfo(MainMenuHandle, Lo(WParam), false, @MenuInfo) then
Result := TObject(MenuInfo.dwItemData);
end;
end;
procedure SendPaintMessage;
var
DC, MemDC: HDC;
MemBitmap, OldBitmap : HBITMAP;
PS : TPaintStruct;
MemWidth: Integer;
MemHeight: Integer;
PaintMsg: TLMPaint;
ORect: TRect;
parLeft, parTop: integer;
useDoubleBuffer: boolean;
parentPaint: boolean;
isNotebook: boolean;
begin
// note: ignores the received DC
// do not use default deliver message
if lWinControl = nil then
begin
lWinControl := GetWindowInfo(Window)^.PWinControl;
if lWinControl = nil then exit;
end;
// create a paint message
GetClassName(Window, winClassName, 20);
isNotebook := TWin32WidgetSet(InterfaceObject).ThemesActive and
CompareMem(@winClassName, @TabControlClsName, High(TabControlClsName)+1);
parentPaint := WindowInfo^.isTabPage or (WindowInfo^.hasTabParent and (WParam <> 0));
// if painting background of some control for tabpage, don't handle erase background
// in parent of tabpage
if WindowInfo^.isTabPage then
begin
{$ifdef MSG_DEBUG}
writeln(MessageStackDepth, ' *forcing next WM_ERASEBKGND to disable message');
{$endif}
PushEraseBkgndCommand(ecNoMsg);
end;
// paint optimizations for controls on a tabpage
if WindowInfo^.hasTabParent and (WParam = 0) and not WindowInfo^.isTabPage then
begin
// if this is a groupbox in a tab, then the next erasebackground is for
// drawing the background of the caption, send paint message then
// update: tgroupbox does not have csOpaque, so it gets painted
// if need to start paint, paint by calling parent, and we have no
// controls, is a native control, use default win32 painting to avoid flicker
if (lWinControl.ControlCount = 0)
and not CompareMem(@winClassName, @ClsName, High(ClsName)+1) then
begin
// optimization: no child controls -> default painting
exit;
end;
end;
// check if double buffering is requested
useDoubleBuffer := (WParam = 0) and lWinControl.DoubleBuffered;
if useDoubleBuffer then
begin
DC := Windows.GetDC(0);
GetWindowSize(Window, MemWidth, MemHeight);
MemBitmap := Windows.CreateCompatibleBitmap(DC, MemWidth, MemHeight);
Windows.ReleaseDC(0, DC);
MemDC := Windows.CreateCompatibleDC(0);
OldBitmap := Windows.SelectObject(MemDC, MemBitmap);
PaintMsg.DC := MemDC;
end;
WinProcess := false;
try
if WParam = 0 then
begin
DC := Windows.BeginPaint(Window, @PS);
end else begin
DC := WParam;
end;
if parentPaint then
GetWin32ControlPos(Window, GetParent(Window), parLeft, parTop);
if not GetLCLClientBoundsOffset(lWinControl, ORect) then
begin
ORect.Left := 0;
ORect.Top := 0;
{ we don't use ORect.Right and ORect.Bottom, initialize here if needed }
end;
PaintMsg.Msg := LM_PAINT;
PaintMsg.PaintStruct := @PS;
if not useDoubleBuffer then
PaintMsg.DC := DC;
if not WindowInfo^.hasTabParent and not isNotebook then
lWinControl.EraseBackground(PaintMsg.DC);
if parentPaint then
begin
// tabpage parent and got a dc to draw in, divert paint to parent
MoveWindowOrgEx(PaintMsg.DC, -parLeft, -parTop);
SendMessage(GetParent(Window), WM_PAINT, PaintMsg.DC, 0);
MoveWindowOrgEx(PaintMsg.DC, parLeft, parTop);
end;
if (WParam = 0) or not WindowInfo^.hasTabParent then
begin
MoveWindowOrgEx(PaintMsg.DC, ORect.Left, ORect.Top);
DeliverMessage(lWinControl, PaintMsg);
MoveWindowOrgEx(PaintMsg.DC, -ORect.Left, -ORect.Top);
end;
if useDoubleBuffer then
Windows.BitBlt(DC, 0, 0, MemWidth, MemHeight, MemDC, 0, 0, SRCCOPY);
if WParam = 0 then
Windows.EndPaint(Window, @PS);
finally
if useDoubleBuffer then
begin
SelectObject(MemDC, OldBitmap);
// for debugging purposes: copy rendered bitmap to clipboard
// Windows.OpenClipboard(0);
// Windows.EmptyClipboard;
// Windows.SetClipboardData(CF_BITMAP, MemBitmap);
// Windows.CloseClipboard;
DeleteDC(MemDC);
DeleteObject(MemBitmap);
end;
end;
end;
procedure CheckListBoxLButtonDown;
var
I: Integer;
ItemRect: Windows.Rect;
MousePos: Windows.Point;
begin
MousePos.X := LMMouse.Pos.X;
MousePos.Y := LMMouse.Pos.Y;
for I := 0 to Windows.SendMessage(Window, LB_GETCOUNT, 0, 0) - 1 do
begin
Windows.SendMessage(Window, LB_GETITEMRECT, I, LongInt(@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
TCheckListBox(lWinControl).Checked[I] := not TCheckListBox(lWinControl).Checked[I];
// 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.SendMessage(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 DestroySpinEditBuddy(SpinEditHandle: HWND);
var
Buddy: HWND;
begin
Buddy := SendMessage(SpinEditHandle, UDM_GETBUDDY, 0, 0);
DestroyWindow(Buddy);
end;
procedure EnableSpinEditBuddy(SpinEditHandle: HWND; Enable: boolean);
var
Buddy: HWND;
begin
Buddy := SendMessage(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
TargetWindow: HWND;
begin
TargetWindow := HWND(LParam);
if TargetWindow<>0 then
lWinControl := GetWindowInfo(TargetWindow)^.WinControl;
if lWinControl is TCustomTrackBar then begin
LMessage.Msg := LM_CHANGED;
end
else begin
PLMsg:=@LMScroll;
With LMScroll Do
Begin
Msg := LMsg;
ScrollCode := SmallInt(Lo(WParam));
Pos := SmallInt(Hi(WParam));
ScrollBar := TargetWindow;
End;
end;
end;
procedure HandleSetCursor;
var
lControl: TControl;
BoundsOffset: TRect;
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.Parent, BoundsOffset) then
begin
Dec(P.X, BoundsOffset.Left);
Dec(P.Y, BoundsOffset.Top);
end;
// statictext controls do not get WM_SETCURSOR messages...
lControl := lWinControl.ControlAtPos(P, false, true);
if lControl = nil then
lControl := lWinControl;
if lControl.Cursor <> crDefault then
begin
Windows.SetCursor(Windows.LoadCursor(0, LclCursorToWin32CursorMap[lControl.Cursor]));
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
if ((WParam and $FFF0) = SC_KEYMENU) and (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.SendMessage(targetWindow, WM_SYSCOMMAND, WParam, LParam);
Windows.SetFocus(prevFocus);
WinProcess := false;
end;
end;
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);
if WindowInfo^.isChildEdit then
begin
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;
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
LM_MONTHCHANGED..LM_DAYCHANGED:
Begin
If lWinControl Is TCalendar Then
LMessage.Msg := Msg;
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;
End;
End;
End;
WM_ACTIVATEAPP:
Begin
if Window = TWin32WidgetSet(InterfaceObject).AppHandle then
begin
if WParam <> 0 then
begin
Windows.SetWindowPos(TWin32WidgetSet(InterfaceObject).AppHandle, HWND_TOP,
0, 0, 0, 0, SWP_NOMOVE or SWP_NOSIZE or SWP_NOACTIVATE);
end;
// activate/deactivate main window
if (Application <> nil) and (Application.MainForm <> nil) and
Application.MainForm.HandleAllocated then
begin
CallDefaultWindowProc(Application.MainForm.Handle, WM_NCACTIVATE, WParam, 0);
end;
end;
End;
BM_SETCHECK:
Begin
LMessage.Msg := LM_CHANGED;
End;
WM_CAPTURECHANGED:
Begin
LMessage.Msg := LM_CAPTURECHANGED;
End;
CB_DELETESTRING, LB_DELETESTRING:
Begin
LMessage.Msg := LM_DELETETEXT;
End;
CB_INSERTSTRING, LB_INSERTSTRING:
Begin
PLMsg:=@LMInsertText;
With LMInsertText Do
Begin
Msg := LM_INSERTTEXT;
Position := WParam;
NewText := PChar(LParam);
Length := System.Length(NewText);
// UserData := Pointer(GetWindowLong(Window, GWL_USERDATA));
End;
End;
WM_CHAR:
Begin
PLMsg:=@LMChar;
With LMChar Do
Begin
Msg := CN_CHAR;
KeyData := LParam;
CharCode := Word(WParam);
Assert(False,Format('WM_CHAR KeyData= %d CharCode= %d ',[KeyData,CharCode]));
End;
WinProcess := false;
End;
WM_CLOSE:
Begin
if (Window = TWin32WidgetSet(InterfaceObject).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:
Begin
if LParam=0 then
begin
{menuitem or shortcut}
TargetObject := GetMenuItemObject;
if TargetObject is TMenuItem then
begin
if (Hi(WParam) = 0) or (Hi(WParam) = 1) then
begin
LMessage.Msg := LM_ACTIVATE;
TargetObject.Dispatch(LMessage);
end;
lWinControl := nil;
end;
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) or (lWinControl is TCustomSpinEdit) then
case Hi(WParam) of
EN_CHANGE: LMessage.Msg := CM_TEXTCHANGED;
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_CHANGED;
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;
{
* 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
// Groupbox (which is a button) doesn't erase it's background properly
// 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
if (Msg = WM_CTLCOLORSTATIC) or (Msg = WM_CTLCOLORBTN)
or (Msg = WM_CTLCOLORSCROLLBAR) then
begin
if WindowInfo^.isGroupBox then
begin
lWinControl.EraseBackground(WParam);
end else
if GetWindowInfo(LParam)^.hasTabParent then
begin
// need to draw transparently, draw background
GetWin32ControlPos(LParam, Window, P.X, P.Y);
MoveWindowOrgEx(WParam, -P.X, -P.Y);
SendMessage(Window, WM_PAINT, WParam, 0);
MoveWindowOrgEx(WParam, P.X, P.Y);
LMessage.Result := GetStockObject(HOLLOW_BRUSH);
SetBkMode(WParam, TRANSPARENT);
WinProcess := false;
end;
end;
if WinProcess then
begin
ChildWinControl := GetWindowInfo(LParam)^.WinControl;
if ChildWinControl = nil then
ChildWinControl := GetWindowInfo(LParam)^.AWinControl;
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);
// Override default handling
WinProcess := false;
end;
end;
end;
WM_CLEAR:
begin
LMessage.Msg := LM_CLEARSEL;
end;
WM_COPY:
Begin
LMessage.Msg := LM_COPYTOCLIP;
End;
WM_CUT:
Begin
LMessage.Msg := LM_CUTTOCLIP;
End;
WM_DESTROY:
Begin
Assert(False, 'Trace:WindowProc - Got WM_DESTROY');
if lWinControl is TCheckListBox then
TWin32CheckListBoxStrings.DeleteItemRecords(Window);
if lWinControl is TCustomSpinEdit then
DestroySpinEditBuddy(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
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
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;
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=TWin32WidgetSet(InterfaceObject).FAppHandle then
if WParam=0 then
DisableApplicationWindows(Window)
else
EnableApplicationWindows(Window);
If (lWinControl is TCustomSpinEdit) then
EnableSpinEditBuddy(Window, WParam<>0);
// ugly hack to give bitbtns a nice look
// When no theming active, the internal image needs to be
// recreated when the enabled state is changed
if not TWin32WidgetSet(InterfaceObject).ThemesActive
and (lWinControl is TCustomBitBtn)
then DrawBitBtnImage(TCustomBitBtn(lWinControl), PChar(TCustomBitBtn(lWinControl).Caption));
End;
WM_HSCROLL:
HandleScrollMessage(LM_HSCROLL);
WM_ERASEBKGND:
Begin
eraseBkgndCommand := TEraseBkgndCommand(EraseBkgndStack and EraseBkgndStackMask);
EraseBkgndStack := EraseBkgndStack shr EraseBkgndStackShift;
if (eraseBkgndCommand <> ecNoMsg) and not WindowInfo^.hasTabParent then
begin
LMessage.Msg := LM_ERASEBKGND;
LMessage.WParam := WParam;
LMessage.LParam := LParam;
end else begin
if WindowInfo^.hasTabParent and ((lWinControl = nil)
or not (csOpaque in lWinControl.ControlStyle)) then
SendPaintMessage;
LMessage.Result := 1;
end;
WinProcess := false;
End;
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_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
LMessage.Msg := LM_KILLFOCUS;
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, simulate double click
// assume focus change due to first mouse-click
if (MouseDownFocusStatus = mfFocusChanged) and (MouseDownFocusWindow = Window)
and (GetTickCount - MouseDownTime <= GetDoubleClickTime) then
begin
PostMessage(Window, WM_LBUTTONDBLCLK, WParam, LParam);
end;
MouseDownTime := GetTickCount;
MouseDownWindow := Window;
MouseDownFocusWindow := 0;
MouseDownFocusStatus := mfFocusSense;
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;
// RadioButton functionality
if lWinControl is TRadioButton then
Windows.SendMessage(Window, BM_SETCHECK, BST_CHECKED, 0);
// 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 := TWin32WidgetSet(InterfaceObject).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
TargetWindow := Windows.GetParent(TargetWindow);
// Don't send the message to the overlay window, to avoid recursion
if (TargetWindow <> Window) and (TargetWindow<>WindowInfo^.Overlay) then
begin
Result := SendMessage(TargetWindow, WM_MOUSEWHEEL, WParam, LParam);
exit;
end;
// the mousewheel message is for us
// windows handles combobox's mousewheel messages
if lWinControl.FCompStyle <> csComboBox then
begin
Msg := LM_MOUSEWHEEL;
WheelDelta := SmallInt(Hi(WParam));
State := GetShiftState;
UserData := Pointer(GetWindowLong(Window, GWL_USERDATA));
WinProcess := false;
end;
end;
end;
//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) and (lWinControl.FCompStyle = csHintWindow) then
begin
LMessage.Result := HTTRANSPARENT;
WinProcess := false;
end;
end;
WM_NCLBUTTONDOWN:
Begin
NotifyUserInput := True;
Assert(False, 'Trace:WindowProc - Got WM_NCLBUTTONDOWN');
End;
WM_NOTIFY:
Begin
PLMsg:=@LMNotify;
With LMNotify Do
Begin
Msg := LM_NOTIFY;
IDCtrl := WParam;
NMHdr := PNMHDR(LParam);
With NMHdr^ do
case code of
TCN_SELCHANGING:
ShowHideTabPage(HWndFrom, False);
TCN_SELCHANGE:
begin
ShowHideTabPage(HWndFrom, True);
idFrom := Windows.SendMessage(HWndFrom, TCM_GETCURSEL, 0, 0);
end;
end;
End;
End;
WM_PAINT:
Begin
SendPaintMessage;
// SendPaintMessage sets winprocess to false
End;
WM_PASTE:
Begin
LMessage.Msg := LM_PASTEFROMCLIP;
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;
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_SETCURSOR:
begin
HandleSetCursor;
end;
WM_SETFOCUS:
Begin
// 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);
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_SHOW;
Windows.ShowWindow(TWin32WidgetSet(InterfaceObject).FAppHandle, Flags);
end;
End;
WM_SYSCHAR:
Begin
PLMsg:=@LMChar;
With LMChar Do
Begin
Msg := CN_SYSCHAR;
KeyData := LParam;
CharCode := Word(WParam);
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 := LM_SYSKEYDOWN;
KeyData := LParam;
CharCode := Word(WParam);
Result := 0;
End;
End;
WM_SYSKEYUP:
Begin
NotifyUserInput := True;
PLMsg:=@LMKey;
With LMKey Do
Begin
Msg := LM_SYSKEYUP;
KeyData := LParam;
CharCode := Word(WParam);
Result := 0;
End;
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
// todo: it's a menu
end else 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_THEMECHANGED:
begin
// winxp theme changed, recheck whether themes are enabled
TWin32WidgetSet(InterfaceObject).UpdateThemesActive;
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}
writeln('Win32CallBack WM_MOVE ',lWinControl.Name,':',lWinControl.ClassName,
' NewPos=',XPos,',',YPos);
{$ENDIF}
if (lWinControl.Left=XPos) and (lWinControl.Top=YPos) then
exit;
end;
End;
End;
WM_SIZE:
Begin
With TLMSize(LMessage) Do
Begin
Msg := LM_SIZE;
SizeType := WParam or Size_SourceIsInterface;
GetWindowSize(Window, NewWidth, NewHeight);
Width := NewWidth;
Height := NewHeight;
if lWinControl <> nil then
begin
{$IFDEF VerboseSizeMsg}
GetClientRect(Window,R);
writeln('Win32Callback: WM_SIZE ',lWinControl.Name,':',lWinControl.ClassName,
' NewSize=',Width,',',Height,
' HasVScroll=',(Windows.GetWindowLong(Window, GWL_STYLE) and WS_VSCROLL) <> 0,
' HasHScroll=',(Windows.GetWindowLong(Window, GWL_STYLE) and WS_HSCROLL) <> 0,
' OldClientSize=',lWinControl.CachedClientWidth,',',lWinControl.CachedClientHeight,
' NewClientSize=',R.Right,',',R.Bottom);
{$ENDIF}
if (lWinControl.Width<>Width) or (lWinControl.Height<>Height)
or lWinControl.ClientRectNeedsInterfaceUpdate then
begin
lWinControl.InvalidateClientRectCache(true);
lWinControl.DoAdjustClientRectChange;
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;
end;
// convert from win32 client to lcl client pos
if PLMsg = @LMMouseMove then
begin
if GetLCLClientBoundsOffset(Window, R) then
begin
Dec(LMMouseMove.XPos, R.Left);
Dec(LMMouseMove.YPos, R.Top);
end;
end else
if PLMsg = @LMMouse 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.CharCode <> VK_UNKNOWN;
WParam := LMChar.CharCode;
end;
CN_KEYDOWN, CN_KEYUP, CN_SYSKEYDOWN, CN_SYSKEYUP:
begin
// if key not yet processed, let windows process it
WinProcess := LMKey.CharCode <> VK_UNKNOWN;
WParam := LMKey.CharCode;
end;
else
case Msg of
WM_LBUTTONDOWN, WM_LBUTTONUP:
begin
if MouseDownFocusStatus = mfFocusSense then
MouseDownFocusStatus := mfNone;
end;
WM_NCDESTROY:
begin
// 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;
{ 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
writeln(MessageStackDepth, 'WindowProc called for window=', window,' msg=', WM_To_String(msg),' wparam=', wparam, ' lparam=',lparam);
MessageStackDepth := MessageStackDepth + ' ';
Result := RealWindowProc(Window, Msg, WParam, LParam);
setlength(MessageStackDepth, length(MessageStackDepth)-1);
end;
{$endif}
{------------------------------------------------------------------------------
Function: OverlayWindowProc
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 messages specifically for the window used by GetDesignerDC
------------------------------------------------------------------------------}
function OverlayWindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
LParam: Windows.LParam): LResult; stdcall;
begin
case Msg of
WM_ERASEBKGND:
begin
Result := 1;
end;
WM_KEYFIRST..WM_KEYLAST, WM_MOUSEFIRST..WM_MOUSELAST:
begin
// parent of overlay is the form
Result := Windows.SendMessage(Windows.GetParent(Window), Msg, WParam, LParam);
end;
WM_NCDESTROY:
begin
// free our own data associated with window
DisposeWindowInfo(Window);
end;
else
Result := Windows.DefWindowProc(Window, Msg, WParam, LParam);
end;
end;
{------------------------------------------------------------------------------
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; stdcall;
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
(Windows.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 : DWORD; idEvent: UINT; dwTime: DWORD); stdcall;
Var
TimerInfo: PWin32TimerInfo;
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;
{$IFDEF ASSERT_IS_ON}
{$UNDEF ASSERT_IS_ON}
{$C-}
{$ENDIF}
{
$Log$
Revision 1.210 2005/06/14 07:30:51 vincents
fixed handling WM_MEASUREITEM for OwnerdrawnFixed listbox.
Revision 1.209 2005/06/13 08:04:38 vincents
fixed crashed with csOwnerDrawVariable combobox style (bug 934) from Jesus
Revision 1.208 2005/06/01 18:55:59 micha
fix painting of panels on notebooks with themes (fixes bug 915)
Revision 1.207 2005/05/06 20:07:29 vincents
disable all application windows, when the AppHandle is disabled (fixes bug 788)
Revision 1.206 2005/05/05 12:57:43 micha
improve click-focus-click implies doubleclick heuristic to check for focus change within handling of mouseclick
Revision 1.205 2005/05/02 08:35:42 mattias
fix bug 878 (can not paste from clipboard) new property TitleStyle from Jesus
Revision 1.204 2005/04/29 11:53:25 micha
send double click to window, if pattern mouse-click, focus-change, mouse-click detected (fixes bug 794)
Revision 1.203 2005/04/28 13:11:05 vincents
let wm_ncdestroy through, so we can destroy the windowinfo
Revision 1.202 2005/04/28 10:05:29 micha
fix accelerator handling firing too quickly, better WM_CHAR has-been-handled heuristic
check for focusability of label.focuscontrol
Revision 1.201 2005/04/20 14:08:38 vincents
fixed SpinEdit.Visible and SpinEdit.Enabled
Revision 1.200 2005/04/13 17:17:16 micha
fix taskbar button being removed and reinserted when minimizing mainform
Revision 1.199 2005/04/08 16:59:37 micha
fix bug 684 properly, opendialog closes automatically after messagedlg (much thanks to uberto)
Revision 1.198 2005/04/07 15:52:31 micha
implement Ctrl+A to select all text for edit controls
Revision 1.197 2005/04/06 10:43:40 micha
customcheckbox: do not unnecessarily ask state twice
first let widget process BM_SETCHECK, so we do not see itemindex=-1 in between
Revision 1.196 2005/03/30 18:34:42 micha
fix bug 659 and 660: LM_RBUTTONUP message returns true whenever popupmenu was invoked
Revision 1.195 2005/03/14 22:11:03 micha
return value too inconsistent to be used, fixes 775 (by uberto)
Revision 1.194 2005/03/03 13:13:51 vincents
fixed thread synchronize support for fpc 1.9.9 using WakeMainThread
Revision 1.193 2005/02/10 21:07:29 micha
let general WindowProc also handle childedit of combobox, reduces code duplication, implements doubleclick for combobox
Revision 1.192 2005/02/07 19:10:31 micha
revert unwanted commit
Revision 1.191 2005/02/07 18:53:35 micha
implement size constraints for calendar (it is not resizeable)
Revision 1.190 2005/02/07 09:07:38 micha
improve windows-has-handled-key check
Revision 1.189 2005/02/05 20:42:04 vincents
added TLMInsertText (temporarily?)
Revision 1.188 2005/02/03 20:19:17 micha
fix bug 267: reroute menu key to main form if form has no menu
Revision 1.187 2005/02/03 15:06:30 micha
translate and route WM_SYSCHAR messages, fix WM_SYSKEYDOWN and WM_SYSKEYUP messages
Revision 1.186 2005/02/01 15:48:03 vincents
fixed handling WM_MOUSEWHEEL in designer form (bug 647).
Revision 1.185 2005/01/21 22:07:10 micha
simpler overlay window
Revision 1.184 2005/01/15 10:09:23 micha
fix bug 558: title bar redraw (win32)
USE_SYNCHRONIZE enabled per default for 1.9.x
Revision 1.183 2005/01/10 20:30:10 vincents
fixed fpc 1.0.x compilation
Revision 1.182 2005/01/08 22:19:51 micha
fix cursor handling, and statictext alignment
Revision 1.181 2005/01/07 10:51:07 vincents
send LM_CHANGE message for trackbar
Revision 1.180 2005/01/03 15:50:35 micha
WM_SIZE can also mean windowstate change, always send message
Revision 1.179 2005/01/03 12:15:54 micha
keep the mainform (ie. lazarus main ide bar) active
Revision 1.178 2005/01/02 22:27:15 micha
focus window only if possible
Revision 1.177 2005/01/02 22:18:52 micha
focus window on left-click
Revision 1.176 2004/12/31 16:29:58 micha
prevent reporting of spurious mousemove messages
Revision 1.175 2004/12/27 12:08:54 micha
set focus to a control on the newly focussed tabpage of a notebook (fixes bug 501)
Revision 1.174 2004/12/27 10:18:21 micha
implement support for tthread.synchronize
Revision 1.173 2004/12/17 09:00:47 vincents
set version to 0.9.3
Revision 1.172 2004/12/16 14:29:12 micha
fix showmodal to remember disabled windows (fixes bug 478, and more)
Revision 1.171 2004/12/15 17:51:16 micha
fix clientrect size on show form with menu (lazarus ide, component palette height too great)
Revision 1.170 2004/12/01 22:38:36 vincents
fixed error, when more than one timer was disabled in a timer callback.
Revision 1.169 2004/11/26 12:26:13 vincents
implemented SelectionChange event
Revision 1.168 2004/11/26 11:23:38 vincents
fixed sending two lm_setfocus message for combobox.
Revision 1.167 2004/11/21 21:09:29 vincents
use message name instead of number in debug message.
postponed removing properties until wm_ncdestroy.
Revision 1.166 2004/11/18 14:58:06 vincents
destroy overlay window, when destroying the owner
Revision 1.165 2004/11/17 23:06:29 vincents
centralized dispose windowinfo
removed debug info
Revision 1.164 2004/11/17 22:20:42 vincents
fixed memleak with windowinfo of comboedit.
Revision 1.163 2004/11/16 12:21:51 vincents
fix copy/paste error in key handler.
Revision 1.162 2004/11/15 15:52:48 vincents
fix crash when dropping down a owner drawn combobox
Revision 1.161 2004/11/15 08:00:05 micha
forms with WS_POPUP style have a parent, GetParent(...)=0 is not reliable, and here redundant
tidy code a bit
Revision 1.160 2004/11/12 15:33:13 vincents
fix changing key in OnKeyPress event.
Revision 1.159 2004/11/12 15:30:30 vincents
send CM_TEXTCHANGED for TCustomMemo
Revision 1.158 2004/11/08 13:20:11 vincents
destroy SpinEdit's buddy when destroying SpinEdit.
Revision 1.157 2004/11/07 17:58:17 micha
fix message handling (use actual message, not default), fixes edits begin readonly
Revision 1.156 2004/11/05 15:23:23 micha
correct silly mistake: "as" operator also checks for nil
Revision 1.155 2004/11/04 17:02:10 micha
cleanup: remove redundant typecasts and checks
Revision 1.154 2004/11/04 09:19:34 micha
respond to LCL result of handling the message (fixes black background in listbox)
Revision 1.153 2004/11/03 16:32:54 micha
fix drawing of listbox, combobox, edit to be non-transparent even in winxp tabpage (fixes black background upon scroll)
Revision 1.152 2004/10/29 18:55:30 micha
speed up menu creation
Revision 1.151 2004/10/29 14:24:17 micha
make code possible safer, with better typecasts and use of GlobalAddAtom, because windows are global
Revision 1.150 2004/10/29 11:00:32 micha
fix typo: the atom var is WindowInfoAtom
use WM_NCDESTROY, it is later than WM_DESTROY
Revision 1.149 2004/10/29 10:38:39 micha
fix typo, use wparam, not lparam
Revision 1.148 2004/10/29 09:52:08 micha
fix crash on showing tabpage
fix painting of radiobutton in groupbox (non-tabpage-parent)
Revision 1.147 2004/10/28 21:00:56 micha
convert GetProp and SetProp usage to one Atom pointing to a record of fields
Revision 1.146 2004/10/28 07:43:29 micha
experiment: use CS_SAVEBITS class style on tabpages to reduce flickering
Revision 1.145 2004/10/27 20:58:58 micha
fix winxp theming for tabcontrols (shaded background)
Revision 1.144 2004/10/17 14:53:48 micha
use font/brush of "parent", if this is a buddy window
Revision 1.143 2004/10/15 09:51:09 micha
splitup of CreateComponent to widgetset CreateHandle methods
Revision 1.142 2004/10/06 10:52:46 micha
split up common dialogs code
Revision 1.141 2004/10/05 20:14:19 micha
fix update edit text for generic edit controls
Revision 1.140 2004/09/24 21:34:14 micha
convert LM_CREATE message to interface methods
remove SendMsgToInterface, CNSendMessage and related methods
remove TWidgetSet.IntSendMessage3; all LCL to interface messages have been converted
Revision 1.139 2004/09/13 13:13:46 micha
convert LM_SHOWMODAL to interface methods
Revision 1.138 2004/09/07 14:13:16 micha
fix key handling of maskedit (inhibit backspace handling)
Revision 1.137 2004/08/29 12:35:07 vincents
Don't use handles in test if form is MainForm
Revision 1.136 2004/08/27 19:06:40 micha
select all text upon entry in edit control
Revision 1.135 2004/08/27 15:13:03 micha
fix choosing taskbar button "close" to close app
Revision 1.134 2004/08/25 15:04:44 micha
use new lcl interface methods instead of messages (for win32; twsbitbtn)
Revision 1.133 2004/08/24 15:51:49 micha
remove obsolete code which has not been enabled the last year
Revision 1.132 2004/08/16 18:15:28 vincents
The taskbar button is now hidden, if the main form is hidden
Revision 1.131 2004/08/04 07:32:01 micha
fix win32 keyhandling, send cn_char
Revision 1.130 2004/08/01 14:21:06 micha
better pre/post-intf key handling
Revision 1.129 2004/07/27 00:07:48 marc
* Fixed disabled state of bitbtns
Revision 1.128 2004/07/15 10:43:39 mattias
added TCustomButton, TCustomBitBtn, TCustomSpeedButton
Revision 1.127 2004/07/12 13:04:14 micha
cleanup: move default handling to DefaultHandler
Revision 1.126 2004/07/07 08:15:28 micha
fix not listening to Key := #0 in WM_CHAR message
Revision 1.125 2004/07/02 20:24:51 micha
fix wm_getdlgcode to get default code, then let the user override
Revision 1.124 2004/07/01 20:42:11 micha
implement better ExecuteXXAction design; break dependency on TButton class in TCustomForm
Revision 1.123 2004/06/30 10:38:51 micha
fix setcursor to only change cursor within client area, not on scrollbars etc.
Revision 1.122 2004/06/29 14:38:28 micha
fix default button notification win32 intf
Revision 1.121 2004/06/29 10:23:00 micha
fix cnkeydown to check wm_getdlgcode result
fix win32 intf to also send wm_keydown of cn_keydown wasn't processed
Revision 1.120 2004/06/20 20:36:55 micha
remove old obsolete/commented toolbutton code
rename lazarusform classname to window, because we use it for panels, notebookpages, etc too
Revision 1.119 2004/06/20 13:58:15 micha
fix combobox edit being gray
Revision 1.118 2004/06/19 15:10:04 micha
fix spinedit not firing onchange event
Revision 1.117 2004/06/18 20:47:33 vincents
fixed pasting from clipboard
Revision 1.116 2004/06/18 19:55:43 micha
fix xp themes drawing image on bitbtn
Revision 1.115 2004/06/17 21:33:01 micha
fix scroll message handling for comboboxes
Revision 1.114 2004/06/15 15:37:29 micha
fix groupbox background erasing
Revision 1.113 2004/06/14 12:54:02 micha
fix designer cursor to not set Form.Cursor directly
Revision 1.112 2004/06/13 13:30:21 micha
fix wm_setcursor to return TRUE if processed
Revision 1.111 2004/06/10 13:26:10 micha
try fix LM_ERASEBKGND bug: not responding to user Result
Revision 1.110 2004/06/02 19:32:05 vincents
fix out of bounds error, when canceling combobox selection
Revision 1.109 2004/05/30 20:17:55 vincents
changed radiobutton style to BS_RADIOBUTTON to prevent test program from hanging.
Revision 1.108 2004/05/29 11:45:19 micha
cleanup lcl<->win32 bounds code, remove duplicate code
Revision 1.107 2004/05/23 13:35:19 micha
fix multiple mouse wheel messages
Revision 1.106 2004/05/20 21:28:54 marc
* Fixed win32 listview
Revision 1.105 2004/05/14 21:37:29 vincents
combobox change event after selecting in list fixed
Revision 1.104 2004/05/14 17:48:39 micha
fix itemheight of listbox, handle measureitem message
Revision 1.103 2004/05/13 12:17:00 micha
fixes to designer window mouse/key handling:
- capture all events
- resizing window on which the overlay is, resizes the overlay too
Revision 1.102 2004/05/12 15:43:48 micha
fix key handling to fire CN_KEYxxx
Revision 1.101 2004/05/08 07:21:10 micha
fix closeup event; set text manually because windows has only set itemindex, but not the text yet
Revision 1.100 2004/04/11 10:19:28 micha
cursor management updated:
- lcl notifies interface via WSControl.SetCursor of changes
- fix win32 interface to respond to wm_setcursor callback and set correct cursor
Revision 1.99 2004/04/10 17:54:52 micha
- added: [win32] mousewheel default handler sends scrollbar messages
- fixed: lmsetcursor; partial todo
Revision 1.98 2004/03/05 18:37:46 micha
prevent selection invalid page
Revision 1.97 2004/03/05 12:16:08 micha
fix designer (overlay) window transparency issue
fix releasedesignerdc to use correct window
Revision 1.96 2004/03/05 01:04:21 marc
* Renamed TWin32Object to TWin32WidgetSet
Revision 1.95 2004/03/04 21:16:15 micha
remove workaround; fpc bug fixed
Revision 1.94 2004/02/26 21:01:42 micha
fixed: focussing issue combobox
Revision 1.93 2004/02/21 10:11:36 micha
1. pressing the Return key in ObjectInspector when editing a value throws an exception
2. placing TPairSplitter component on the form produces "Division by zero"
Revision 1.92 2004/02/12 18:03:15 mattias
fixed combobox enabled from Vincent
Revision 1.91 2004/01/29 20:57:57 micha
fixed: use result of message passed to lcl (fixes synedit editing)
Revision 1.90 2004/01/20 22:14:27 micha
REVERTED: "try register globally unique properties"; implemented new WindowFromPoint not returning window if from different process (tip from vincent)
Revision 1.89 2004/01/20 10:26:41 micha
try register globally unique properties
Revision 1.88 2004/01/19 21:51:50 micha
prevent premature window destroy by default wm_close
Revision 1.87 2004/01/12 08:20:50 micha
implement overlay window for designer
Revision 1.86 2004/01/07 18:05:46 micha
add TWinControl.DoubleBuffered property which is a hint for the interface to do double-buffering for this control
Revision 1.85 2004/01/03 21:06:06 micha
- fix win32/checklistbox
- implement proper lcl to interface move/size notify via setwindowpos
- fix treeview to use inherited canvas from customcontrol
- implement double buffering in win32
Revision 1.84 2004/01/03 11:57:48 mattias
applied implementation for LM_LB_GETINDEXAT from Vincent
Revision 1.83 2003/12/30 08:38:03 micha
enable selection of checklistbox items (from vincent)
Revision 1.82 2003/12/29 14:22:22 micha
fix a lot of range check errors win32
Revision 1.81 2003/12/27 16:26:55 micha
remove redundant window property "lazarus" (from martin)
Revision 1.80 2003/12/26 15:29:33 mattias
various combobox and other fixes from Vincent
Revision 1.79 2003/12/23 16:49:48 micha
fix mousewheel message, short signed int params
Revision 1.78 2003/12/19 21:34:53 micha
fix compiler problem; wrong code for constants
Revision 1.77 2003/12/19 18:18:17 micha
fix window activation z-order
Revision 1.76 2003/12/17 16:06:43 micha
bring windows to top on application activation
Revision 1.75 2003/12/15 21:57:16 micha
checklistbox, implement object+checked; from vincent
Revision 1.74 2003/12/13 19:44:42 micha
hintwindow, color, rectangle size fixes
Revision 1.73 2003/11/28 19:54:42 micha
fpc 1.0.10 compatibility
Revision 1.72 2003/11/25 21:20:38 micha
implement tchecklistbox
Revision 1.71 2003/11/25 14:21:28 micha
new api lclenable,checkmenuitem according to list
Revision 1.70 2003/11/21 20:32:01 micha
cleanups; wm_hscroll/wm_vscroll fix
Revision 1.69 2003/11/18 07:20:39 micha
added "included by" notice at top of file
Revision 1.68 2003/11/10 19:05:44 mattias
fixed some bugs by Andreas
Revision 1.67 2003/11/08 17:41:03 micha
compiler warning cleanups
Revision 1.66 2003/11/03 16:57:47 peter
* change $ifdef ver1_1 to $ifndef ver1_0 so it works also with
fpc 1.9.x
Revision 1.65 2003/10/21 15:06:27 micha
spinedit fix; variables cleanup
Revision 1.64 2003/10/16 20:35:37 mattias
added missing definitions
Revision 1.63 2003/10/06 10:50:10 mattias
added recursion to InvalidateClientRectCache
Revision 1.62 2003/10/02 11:18:09 mattias
clean ups from Karl
Revision 1.61 2003/09/27 09:52:44 mattias
TScrollBox for win32 intf from Karl
Revision 1.60 2003/09/24 20:43:27 mattias
fixed wordwrap from Micha
Revision 1.59 2003/09/21 10:42:48 mattias
implemented TBitBtn Text+Caption from Micha
Revision 1.58 2003/09/20 13:27:49 mattias
varois improvements for ParentColor from Micha
Revision 1.57 2003/09/09 11:11:02 mattias
fixed win32 intf showmoadl and lazconf
Revision 1.56 2003/09/08 12:21:48 mattias
added fpImage reader/writer hooks to TBitmap
Revision 1.55 2003/08/25 16:18:15 mattias
fixed background color of TPanel and clicks of TSpeedButton from Micha
Revision 1.54 2003/08/23 21:17:09 mattias
several fixes for the win32 intf, added pending OnResize events
Revision 1.53 2003/08/17 12:51:35 mattias
added directory selection dialog from Vincent
Revision 1.52 2003/08/17 12:26:00 mattias
fixed parts of the win32 intf size system
Revision 1.51 2003/08/13 21:23:10 mattias
fixed log
Revision 1.50 2003/08/13 16:26:07 mattias
fixed combobox height from Karl
Revision 1.49 2003/08/12 14:02:54 mattias
fixed keypress/keyup, createcaret on synedit focus
Revision 1.48 2003/08/11 20:18:46 mattias
fixed position of control in TGroupBox from Micha
Revision 1.47 2003/08/11 18:10:41 mattias
fixed combobox height from Micha
Revision 1.46 2003/08/09 16:30:33 mattias
fixed LM_ShowModal for win32 intf from Karl
Revision 1.45 2003/07/31 19:56:50 mattias
fixed double messages SETLabel
Revision 1.44 2003/07/26 13:48:45 mattias
fixed other messages bigger than TLMessage
Revision 1.43 2003/07/26 13:26:56 mattias
fixed WindowProc
Revision 1.42 2003/07/26 10:30:44 mattias
rewritten WM_COMMAND by Micha
Revision 1.41 2003/07/20 06:27:19 mattias
fixed GetWindowRelativePosition
Revision 1.40 2003/07/07 08:31:54 mattias
added an InvalidateClientRectCache to WM_SIZE
Revision 1.39 2003/07/07 07:59:34 mattias
made Size_SourceIsInterface a flag
Revision 1.38 2003/07/06 21:35:55 mattias
fixed typo
Revision 1.37 2003/07/06 20:40:34 mattias
TWinControl.WmSize/Move now updates interface messages smarter
Revision 1.36 2003/07/04 10:12:16 mattias
added default message handler to win32 interface
Revision 1.35 2003/07/03 21:39:44 mattias
fixed remove props on destroy from Micha
Revision 1.34 2003/07/03 08:05:53 mattias
fixed Criticalsection from Vincent
Revision 1.33 2003/07/02 20:18:28 mattias
more cleanups from Micha
Revision 1.32 2003/07/01 22:02:55 mattias
fixed formstyle and redrawing from Micha
Revision 1.31 2003/06/29 20:07:07 mattias
fixed using DC from Micha
Revision 1.30 2003/06/28 16:20:19 mattias
fixed some win32 intf warnings
Revision 1.29 2003/06/28 06:33:11 mattias
fixed control resizing from Karl Brandt
Revision 1.28 2003/06/27 21:41:14 mattias
fixed formresize from Micha
Revision 1.27 2003/06/25 15:27:18 mattias
fixed timer calling conventions from Micha
Revision 1.26 2003/03/25 08:12:39 mattias
patch from Martin Smat for menu items and default messages
Revision 1.25 2003/03/18 18:23:07 mattias
popupmenus for win32 intf from Martin Smat
Revision 1.24 2003/01/27 11:25:40 mattias
menu accelerator patch from Martin Smat
Revision 1.23 2003/01/19 10:57:46 mattias
fix WindowProc now react on menu item click from Martin
Revision 1.22 2002/12/28 09:42:12 mattias
toolbutton patch from Martin Smat
Revision 1.21 2002/12/16 09:02:27 mattias
applied win32 notebook patch from Vincent
Revision 1.20 2002/12/09 17:53:22 mattias
Patch from Martin for reszing windows
Revision 1.19 2002/12/04 20:39:16 mattias
patch from Vincent: clean ups and fixed crash on destroying window
Revision 1.18 2002/11/26 20:51:05 mattias
applied clipbrd patch from Vincent
Revision 1.17 2002/11/23 13:48:48 mattias
added Timer patch from Vincent Snijders
Revision 1.16 2002/11/15 23:43:54 mattias
applied patch from Karl Brandt
Revision 1.15 2002/08/28 17:28:11 lazarus
Keith: Win32 fixes. Much appreciation to Markus L<EFBFBD>din.
Revision 1.14 2002/08/13 07:08:25 lazarus
MG: added gdkpixbuf.pp and changes from Andrew Johnson
Revision 1.13 2002/06/08 19:18:34 lazarus
Keith: Fixed some bugs that were brought to my attention; fixed compilation problem.
Revision 1.12 2002/05/10 07:43:48 lazarus
MG: updated licenses
Revision 1.11 2002/04/03 01:52:42 lazarus
Keith: Removed obsolete code, in preperation of a pending TWin32Object cleanup
Revision 1.10 2002/02/07 08:35:12 lazarus
Keith: Fixed persistent label captions and a few less noticable things
Revision 1.9 2002/02/04 10:54:33 lazarus
Keith:
* Fixes for Win32
* Added new listviewtest.pp example
Revision 1.8 2002/02/03 06:06:25 lazarus
Keith: Fixed Win32 compilation problems
Revision 1.7 2002/01/31 09:32:07 lazarus
Keith:
* Open and save dialogs can now coexist in apps (however, only one of each type of common dialog can be used per app :( )
* Fixed make all
* Fixed crash in Windows 98/ME
Revision 1.6 2002/01/25 19:42:56 lazarus
Keith: Improved events and common dialogs on Win32
Revision 1.5 2002/01/25 13:22:56 lazarus
Keith: Added initial support for events
Revision 1.4 2002/01/17 03:17:44 lazarus
Keith: Fixed TCustomPage creation
Revision 1.3 2002/01/05 13:16:08 lazarus
MG: win32 interface update from Keith Bowes
Revision 1.2 2001/08/02 12:58:35 lazarus
MG: win32 interface patch from Keith Bowes
Revision 1.1 2000/07/13 10:28:30 michael
+ Initial import
}