Retro68/Samples/WDEF/wdefshell.c
2018-01-07 17:28:28 +01:00

305 lines
7.9 KiB
C

/*
Copyright 2017 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 <Quickdraw.h>
#include <Windows.h>
#include <Menus.h>
#include <Fonts.h>
#include <Resources.h>
#include <TextEdit.h>
#include <TextUtils.h>
#include <Dialogs.h>
#include <Devices.h>
// in wdef.c
extern pascal long MyWindowDefProc(short varCode, WindowRef window, short message, long param);
static Rect initialWindowRect, nextWindowRect;
enum
{
kMenuApple = 128,
kMenuFile,
kMenuEdit
};
enum
{
kItemAbout = 1,
kItemNewDoc = 1,
kItemNewRounded = 2,
kItemNewCustomFromStub = 3,
kItemNewCustomFromRes = 4,
kItemClose = 5,
kItemQuit = 7
};
void MakeNewWindow(ConstStr255Param title, short procID)
{
if(nextWindowRect.bottom > qd.screenBits.bounds.bottom
|| nextWindowRect.right > qd.screenBits.bounds.right)
{
nextWindowRect = initialWindowRect;
}
WindowRef w = NewWindow(NULL, &nextWindowRect, title, true, procID, (WindowPtr) -1, true, 0);
OffsetRect(&nextWindowRect, 15, 15);
}
void InitCustomWDEF()
{
/* The 10-byte code resource stub trick.
*
* The bytes in this resource are 68K machine code for
* move.l L1(pc), -(sp) | 2F3A 0004
* rts | 4E75
* L1: dc.l 0x00000000 | 0000 0000
*
* The application loads this resource and replaces the final four bytes
* with the address of MyWindowDefProc.
*/
Handle h = GetResource('WDEF', 128);
HLock(h);
*(WindowDefUPP*)(*h + 6) = NewWindowDefUPP(&MyWindowDefProc);
// note: for 68K, the above is equivalent to:
// *(WindowDefProcPtr*)(*h + 6) = &MyWindowDefProc;
// for PPC, it creates a routine descriptor data structure to get out of the emulator again.
// On PPC only, we could also bypass the emulator by putting the routine descriptor into the resource,
// and putting the pointer to the code into it here. This wouldn't work for the 68K version of this code, though.
// By the way, this was the only part of this file relevant for dealing
// with custom WDEFs.
}
void ShowAboutBox()
{
WindowRef w = GetNewWindow(128, NULL, (WindowPtr) - 1);
MacMoveWindow(w,
qd.screenBits.bounds.right/2 - w->portRect.right/2,
qd.screenBits.bounds.bottom/2 - w->portRect.bottom/2,
false);
ShowWindow(w);
SetPort(w);
Handle h = GetResource('TEXT', 128);
HLock(h);
Rect r = w->portRect;
InsetRect(&r, 10,10);
TETextBox(*h, GetHandleSize(h), &r, teJustLeft);
ReleaseResource(h);
while(!Button())
;
while(Button())
;
FlushEvents(everyEvent, 0);
DisposeWindow(w);
}
void UpdateMenus()
{
MenuRef m = GetMenu(kMenuFile);
WindowRef w = FrontWindow();
if(w) // Close menu item: enabled if there is a window
EnableItem(m,kItemClose);
else
DisableItem(m,kItemClose);
m = GetMenu(kMenuEdit);
if(w && GetWindowKind(w) < 0)
{
// Desk accessory in front: Enable edit menu items
EnableItem(m,1);
EnableItem(m,3);
EnableItem(m,4);
EnableItem(m,5);
EnableItem(m,6);
}
else
{
// Application window or nothing in front, disable edit menu
DisableItem(m,1);
DisableItem(m,3);
DisableItem(m,4);
DisableItem(m,5);
DisableItem(m,6);
}
}
void DoMenuCommand(long menuCommand)
{
Str255 str;
WindowRef w;
short menuID = menuCommand >> 16;
short menuItem = menuCommand & 0xFFFF;
if(menuID == kMenuApple)
{
if(menuItem == kItemAbout)
ShowAboutBox();
else
{
GetMenuItemText(GetMenu(128), menuItem, str);
OpenDeskAcc(str);
}
}
else if(menuID == kMenuFile)
{
switch(menuItem)
{
case kItemNewDoc:
GetIndString(str,128,1);
MakeNewWindow(str, documentProc); // plain document window
break;
case kItemNewRounded:
GetIndString(str,128,2);
MakeNewWindow(str, 16); // rounded document window
break;
case kItemNewCustomFromStub:
GetIndString(str,128,3);
MakeNewWindow(str, 128*16); // custom window, loaded via 10-byte stub
break;
case kItemNewCustomFromRes:
GetIndString(str,128,4);
MakeNewWindow(str, 129*16); // custom window, compiled as resource
break;
case kItemClose: // close
w = FrontWindow();
if(w)
{
if(GetWindowKind(w) < 0)
CloseDeskAcc(GetWindowKind(w));
else
DisposeWindow(FrontWindow());
}
break;
case kItemQuit:
ExitToShell();
break;
}
}
else if(menuID == kMenuEdit)
{
if(!SystemEdit(menuItem - 1))
{
// edit command not handled by desk accessory
}
}
HiliteMenu(0);
}
void DoUpdate(WindowRef w)
{
SetPort(w);
BeginUpdate(w);
Rect r;
SetRect(&r, 20,20,120,120);
FrameOval(&r);
OffsetRect(&r, 32, 32);
FillRoundRect(&r, 16, 16, &qd.ltGray);
FrameRoundRect(&r, 16, 16);
OffsetRect(&r, 32, 32);
FillRect(&r, &qd.gray);
FrameRect(&r);
MoveTo(100,100);
DrawString("\pHello, world.");
EndUpdate(w);
}
int main()
{
InitGraf(&qd.thePort);
InitFonts();
InitWindows();
InitMenus();
TEInit();
InitDialogs(NULL);
SetMenuBar(GetNewMBar(128));
AppendResMenu(GetMenu(128), 'DRVR');
DrawMenuBar();
InitCustomWDEF();
InitCursor();
Rect r;
SetRect(&initialWindowRect,20,60,400,260);
nextWindowRect = initialWindowRect;
for(;;)
{
EventRecord e;
WindowRef win;
SystemTask();
if(GetNextEvent(everyEvent, &e))
{
switch(e.what)
{
case keyDown:
if(e.modifiers & cmdKey)
{
UpdateMenus();
DoMenuCommand(MenuKey(e.message & charCodeMask));
}
break;
case mouseDown:
switch(FindWindow(e.where, &win))
{
case inGoAway:
if(TrackGoAway(win, e.where))
DisposeWindow(win);
break;
case inDrag:
DragWindow(win, e.where, &qd.screenBits.bounds);
break;
case inMenuBar:
UpdateMenus();
DoMenuCommand( MenuSelect(e.where) );
break;
case inContent:
SelectWindow(win);
break;
case inSysWindow:
SystemClick(&e, win);
break;
}
break;
case updateEvt:
DoUpdate((WindowRef)e.message);
break;
}
}
}
return 0;
}