Clipboard handling on MacOS X.

BasiliskII/src/MacOSX/clip_macosx.cpp

@@ -0,0 +1,127 @@
+/*
+ *  clip_macosx.cpp - Clipboard handling, MacOS X (Carbon) implementation
+ *
+ *  Basilisk II (C) 1997-2004 Christian Bauer
+ *
+ *  This program 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "sysdeps.h"
+#include <Carbon/Carbon.h>
+
+#include "clip.h"
+#include "main.h"
+#include "cpu_emulation.h"
+#include "emul_op.h"
+
+#define DEBUG 0
+#include "debug.h"
+
+
+// Flag for PutScrap(): the data was put by GetScrap(), don't bounce it back to the Be side
+static bool we_put_this_data = false;
+
+
+/*
+ *  Initialization
+ */
+
+void ClipInit(void)
+{
+}
+
+
+/*
+ *  Deinitialization
+ */
+
+void ClipExit(void)
+{
+}
+
+
+/*
+ *  Mac application reads clipboard
+ */
+
+void GetScrap(void **handle, uint32 type, int32 offset)
+{
+	D(bug("GetScrap handle %p, type %08x, offset %d\n", handle, type, offset));
+	ScrapRef theScrap;
+
+	if (GetCurrentScrap(&theScrap) != noErr) {
+	  D(bug(" could not open scrap\n"));
+	  return;
+	}
+
+	Size byteCount;
+	if (GetScrapFlavorSize(theScrap, type, &byteCount) == noErr) {
+
+	  // Get the native clipboard data
+	  uint8 *data = new uint8[byteCount];
+	  if (GetScrapFlavorData(theScrap, type, &byteCount, data) == noErr) {
+		  M68kRegisters r;
+
+		  // Add new data to clipboard
+		  static uint16 proc[] = {
+			  0x598f,				// subq.l		#4,sp
+			  0xa9fc,				// ZeroScrap()
+			  0x2f3c, 0, 0,			// move.l		#length,-(sp)
+			  0x2f3c, 0, 0,			// move.l		#type,-(sp)
+			  0x2f3c, 0, 0,			// move.l		#outbuf,-(sp)
+			  0xa9fe,				// PutScrap()
+			  0x588f,				// addq.l		#4,sp
+			  M68K_RTS
+		  };
+		  uint32 proc_area = (uint32)proc;
+		  WriteMacInt32(proc_area +  6, byteCount);
+		  WriteMacInt32(proc_area + 12, type);
+		  WriteMacInt32(proc_area + 18, (uint32)data);
+		  we_put_this_data = true;
+		  Execute68k(proc_area, &r);
+	  }
+
+	  delete[] data;
+	}
+}
+
+
+/*
+ *  Mac application wrote to clipboard
+ */
+
+void PutScrap(uint32 type, void *scrap, int32 length)
+{
+	D(bug("PutScrap type %08lx, data %08lx, length %ld\n", type, scrap, length));
+	ScrapRef theScrap;
+
+	if (we_put_this_data) {
+	  we_put_this_data = false;
+	  return;
+	}
+	if (length <= 0)
+		return;
+
+	ClearCurrentScrap();
+	if (GetCurrentScrap(&theScrap) != noErr) {
+		D(bug(" could not open scrap\n"));
+		return;
+	}
+
+	if (PutScrapFlavor(theScrap, type, kScrapFlavorMaskNone, length, scrap) != noErr) {
+		D(bug(" could not put to scrap\n"));
+		return;
+	}
+}