/*    Copyright 2019 Wolfgang Thaller.     This file is part of Retro68.     Retro68 is free software: you can redistribute it and/or modify    it under the terms of the GNU General Public License as published by    the Free Software Foundation, either version 3 of the License, or    (at your option) any later version.     Retro68 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 General Public License for more details.     You should have received a copy of the GNU General Public License    along with Retro68.  If not, see <http://www.gnu.org/licenses/>.*/ #include "AboutBox.h"#include <Windows.h>#include <TextEdit.h>#include <Resources.h> #include "SystemInfo.h" AboutBox* AboutBox::aboutBox = nullptr; void AboutBox::ShowAboutBox(){    if(aboutBox)        SelectWindow(aboutBox->window);    else        aboutBox = new AboutBox();} AboutBox::AboutBox(){    window = hasColorQD ?         GetNewCWindow(128, NULL, (WindowPtr) -1)         : GetNewWindow(128, NULL, (WindowPtr) -1);     SetWRefCon(window, reinterpret_cast<long>(static_cast<Window*>(this))); #if TARGET_API_MAC_CARBON    Rect screenBounds = (*GetMainDevice())->gdRect;    Rect portRect;    GetWindowPortBounds(window,&portRect);#else    const Rect& screenBounds = qd.screenBits.bounds;    const Rect& portRect = window->portRect;#endif     Rect viewRect = portRect;    viewRect.left += 10;    viewRect.top += 52;    viewRect.bottom -= 10;    viewRect.right -= 10;     SetPortWindowPort(window);    textEdit = TENew(&viewRect, &viewRect);     Handle h = GetResource('TEXT', 128);    HLock(h);    TESetText(*h, GetHandleSize(h), textEdit);    HUnlock(h);     {        viewRect.bottom = viewRect.top + (*textEdit)->lineHeight * (*textEdit)->nLines;        (*textEdit)->viewRect.bottom = (*textEdit)->destRect.bottom = viewRect.bottom;        SizeWindow(window, portRect.right, viewRect.bottom + 10, false);    }     MoveWindow(window,        screenBounds.right/2 - portRect.right/2,        screenBounds.bottom/2 - portRect.bottom/2,        false);     ShowWindow(window);} AboutBox::~AboutBox(){    TEDispose(textEdit);    DisposeWindow(window);    if(aboutBox == this)        aboutBox = nullptr;} void AboutBox::Update(){    GrafPtr savePort;    GetPort(&savePort);    SetPortWindowPort(window);    BeginUpdate(window);     Rect portRect;    GetWindowPortBounds(window,&portRect);    EraseRect(&portRect);     Rect r;    SetRect(&r, portRect.right/2 - 16, 10, portRect.right/2 + 16, 42);     if(hasIconUtils)        PlotIconID(&r, kAlignAbsoluteCenter, kTransformNone, 128);    else        PlotIcon(&r, GetResource('ICN#', 128));     TEUpdate(&portRect, textEdit);     EndUpdate(window);    SetPort(savePort);}