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{
Free Pascal port of the OpenPTC C++ library.
Copyright (C) 2001-2003, 2006, 2009-2012 Nikolay Nikolov (nickysn@users.sourceforge.net)
Original C++ version by Glenn Fiedler (ptc@gaffer.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version
with the following modification:
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent modules,and
to copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the terms
and conditions of the license of that module. An independent module is a
module which is not derived from or based on this library. If you modify
this library, you may extend this exception to your version of the library,
but you are not obligated to do so. If you do not wish to do so, delete this
exception statement from your version.
This library 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. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
}
constructor TDirectXHook.Create(AConsole: TDirectXConsole; AWindow: HWND; AThread: DWord; ACursor, AManaged, AFullscreen: Boolean);
begin
FConsole := AConsole;
FCursor := ACursor;
FManaged := AManaged;
FFullscreen := AFullscreen;
LOG('creating window hook');
inherited Create(AWindow, AThread);
end;
destructor TDirectXHook.Destroy;
begin
LOG('destroying window hook');
inherited Destroy;
end;
procedure TDirectXHook.Cursor(AFlag: Boolean);
begin
FCursor := AFlag;
end;
function TDirectXHook.WndProc(hWnd: HWND; message: DWord; wParam: WPARAM; lParam: LPARAM): LRESULT;
var
active: Boolean;
thread: DWord;
placement: WINDOWPLACEMENT;
console: TDirectXConsole;
begin
case message of
WM_PAINT: begin
LOG('TDirectXHook WM_PAINT');
{ paint console }
FConsole.Paint;
end;
WM_ACTIVATEAPP: begin
LOG('TDirectXHook WM_ACTIVATEAPP');
{ get window message data }
active := wParam <> 0;
thread := DWord(lParam);
{ check active flag }
if active = False then
begin
if FConsole.FGrabMouse and (not FFullscreen) then
begin
FConsole.FWindow.ConfineCursor(False);
end;
{ deactivate }
Deactivate;
{ check cursor and fullscreen }
if (not FCursor) and FFullscreen then
{ show cursor }
FConsole.FWin32Cursor.Show;
end
else
begin
{ get window placement for active app }
if not GetWindowPlacement(hWnd, placement) then
{ on failure set to normal show }
placement.showCmd := SW_SHOWNORMAL;
{ check cursor and fullscreen }
if (not FCursor) and FFullscreen then
begin
{ check show command is not minimize }
if placement.showCmd <> SW_SHOWMINIMIZED then
begin
{hide cursor}
FConsole.FWin32Cursor.Hide;
end;
end;
if FConsole.FGrabMouse and (not FFullscreen) then
begin
if placement.showCmd <> SW_SHOWMINIMIZED then
begin
FConsole.FWindow.ConfineCursor(True);
end;
end;
{ activate }
Activate;
end;
{ pass to the next handler (or DefWindowProc) }
Result := 0;
exit;
end;
WM_SETCURSOR: begin
{ check cursor }
if not FCursor then
begin
if FFullscreen or (LOWORD(lParam) = HTCLIENT) then
begin
{ hide cursor }
SetCursor(0);
{ handled }
Result := 1;
end;
end;
end;
WM_PALETTECHANGED:
begin
LOG('TDirectXHook WM_PALETTECHANGED');
if Windows.HWND(wParam) <> hWnd then
begin
LOG('not our window');
if FConsole.FPrimary.Active then
begin
FConsole.FPrimary.ResetPalette;
end;
end;
end;
WM_QUERYNEWPALETTE:
begin
LOG('TDirectXHook WM_QUERYNEWPALETTE');
end;
WM_CLOSE: begin
LOG('TDirectXHook WM_CLOSE');
if FManaged then
begin
if FConsole.InterceptClose then
begin
FConsole.FEventQueue.AddEvent(TPTCCloseEvent.Create);
Result := 0;
exit;
end
else
begin
console := FConsole;
{ close console }
console.Close;
{ note: at this point the hook object has been destroyed by the console! }
{ internal console shutdown }
console.internal_shutdown;
{ halt }
Halt(0);
end;
end;
{ handled }
Result := 1;
exit;
end;
end;
{ unhandled }
Result := 0;
end;
procedure TDirectXHook.Activate;
var
display: TDirectXDisplay;
primary: TDirectXPrimary;
begin
{ check if open }
if FConsole.FOpen then
begin
LOG('activate');
{ get console object references }
display := FConsole.FDisplay;
primary := FConsole.FPrimary;
{ check if primary is not active }
if not primary.Active then
begin
{ save display }
display.Save;
{ activate primary }
primary.Activate;
end;
end;
end;
procedure TDirectXHook.Deactivate;
var
display: TDirectXDisplay;
primary: TDirectXPrimary;
begin
{ check if open }
if FConsole.FOpen then
begin
LOG('deactivate');
{ get console object references }
display := FConsole.FDisplay;
primary := FConsole.FPrimary;
{ check if primary is not active }
if primary.Active then
begin
{ save primary }
primary.Save;
{ deactivate primary }
primary.Deactivate;
{ restore display }
display.Restore;
end;
end;
end;
|
