Initial import of the CDE 2.1.30 sources from the Open Group.

cde/lib/DtSvc/DtUtil2/MsgP.h

@@ -0,0 +1,160 @@
+#ifndef _DT_MSG_P_H 
+#define _DT_MSG_P_H
+/*
+ *  MsgP.h -- Private header file for DT messaging library 
+ *
+ *  $XConsortium: MsgP.h /main/3 1995/10/26 15:24:51 rswiston $
+ *  $XConsortium: MsgP.h /main/3 1995/10/26 15:24:51 rswiston $
+ *
+ * (C) Copyright 1993, Hewlett-Packard, all rights reserved.
+ */
+#include <Dt/Msg.h>
+
+
+/*
+ * Definitions
+ */
+
+/* max property size (bytes) */
+#define DT_MSG_MAX_PROP_SIZE	(32768)
+
+/* atom names */
+#define DT_MSG_XA_REQUEST		"_DT_REQUEST"
+#define DT_MSG_XA_NOTIFY		"_DT_NOTIFY"
+#define DT_MSG_XA_BROADCAST_REGISTRY	"_DT_BROADCAST_REGISTRY"
+
+/*
+ * _DtMessage handle
+ */
+typedef struct _DtMsgHandle {
+    char *		pchName;	/* handle "name" */
+    Atom		atom;		/* Selection/Broadcast atom  */
+    Widget		widget;		/* Widget registering this handle */
+    char *		pchPropName;	/* property name */
+    Atom		property;	/* atomized property name */
+
+    /* other data */
+    struct _DtMsgServiceContext *
+			service_data;	/* service data assoc w/ handle */
+    struct _DtMsgBroadcastData *
+			broadcast_data;	/* broadcast data assoc w/ handle */
+} DtMsgHandle;
+
+/*
+ * _DtMessage handle accessor "functions" 
+ */
+#define DtMsgH_Name(h)		((h)->pchName)
+#define DtMsgH_Widget(h)	((h)->widget)
+#define DtMsgH_Atom(h)		((h)->atom)
+#define DtMsgH_SvcData(h)	((h)->service_data)
+#define DtMsgH_BcData(h)	((h)->broadcast_data)
+#define DtMsgH_PropertyName(h)	((h)->pchPropName)
+#define DtMsgH_PropertyAtom(h)	((h)->property)
+#define DtMsgH_Shandle(h)	((h)->service_data->handle)
+#define DtMsgH_RequestProc(h)	((h)->service_data->request_proc)
+#define DtMsgH_ReceiveCD(h)	((h)->service_data->receive_client_data)
+#define DtMsgH_LoseProc(h)	((h)->service_data->lose_proc)
+#define DtMsgH_LoseCD(h)	((h)->service_data->lose_client_data)
+#define DtMsgH_RegistryAtom(h)	((h)->broadcast_data->aRegistry)
+#define DtMsgH_SharedWindow(h)	((h)->broadcast_data->winShared)
+#define DtMsgH_SharedWidget(h)	((h)->broadcast_data->wShared)
+#define DtMsgH_Listener(h)	((h)->broadcast_data->wListener)
+#define DtMsgH_BreceiveProc(h)	((h)->broadcast_data->Breceive_proc)
+#define DtMsgH_BclientData(h)	((h)->broadcast_data->Bclient_data)
+#define DtMsgH_Bprops(h)	((h)->broadcast_data->props)
+#define DtMsgH_BnumProps(h)	((h)->broadcast_data->numProps)
+#define DtMsgH_BsizeProps(h)	((h)->broadcast_data->sizeProps)
+#define DtMsgH_Breceivers(h)	((h)->broadcast_data->pReceivers)
+#define DtMsgH_BnumReceivers(h)	((h)->broadcast_data->numReceivers)
+#define DtMsgH_BsizeReceivers(h)	((h)->broadcast_data->sizeReceivers)
+#define DtMsgH_BSenderInit(h) ((h)->broadcast_data->bSenderInitialized)
+
+/*
+ * Service context data 
+ * (for client that offers a service)
+ */
+typedef struct _DtMsgServiceContext {
+    DtMsgHandle	handle;
+    DtMsgReceiveProc	request_proc;
+    DtMsgStatusProc	lose_proc;
+    Pointer		receive_client_data;
+    Pointer		lose_client_data;
+} DtMsgServiceContext;
+
+/*
+ * Request context data
+ * (for client that makes a service request)
+ */
+typedef struct _DtMsgRequestContext {
+    DtMsgHandle	handle;
+    DtMsgReceiveProc	reply_proc;
+    Pointer		client_data;
+} DtMsgRequestContext;
+
+
+/*
+ * Reply message context data
+ * (for client replying to a request)
+ */
+typedef struct _DtMsgReplyMessageContext {
+    DtMsgHandle	handle;
+    Window		window;
+    Atom		target;
+    Atom		property;
+} DtMsgReplyMessageContext;
+
+
+/*
+ * Broadcast sender data
+ */
+
+/* number of props to allocate per memory request */
+#define DT_MSG_PROP_INC_AMT	10
+
+typedef struct _DtMsgBroadcastPerReceiverData {
+    Widget		widget;			/* widget of receiver */
+    Atom *		propsUnread;		/* list of props */
+    int			numPropsUnread;		/* number of props */
+    int			sizePropsUnread;	/* amt of space allocated */
+} DtMsgBroadcastPerReceiverData;
+
+typedef struct _DtMsgBroadcastData {
+    Atom		aRegistry;	/* registry atom name */
+    Window		winShared;	/* shared window */
+    Widget		wShared;	/* shared widget */
+    Widget		wListener;	/* child of shared window */
+    DtMsgReceiveProc	Breceive_proc;	/* broadcast receive proc */
+    Pointer		Bclient_data;	/* broadcast client data */
+
+    Boolean		bSenderInitialized;	/* true if ready for send */
+    Atom *		props;		/* props to use for messages */
+    int			numProps;	/* number of message props */
+    int			sizeProps;	/* number of props allocated */
+    DtMsgBroadcastPerReceiverData *	pReceivers;	/* rcvr data */
+    int			numReceivers;	/* number of receivers */
+    int			sizeReceivers;	/* amt of rcvr space allocated */
+
+} DtMsgBroadcastData;
+
+
+/* 
+ * Broadcast _DtMessage Registry definitions
+ */
+
+/* registry entry size, in words */
+#define DT_MSG_REGISTRY_ENTRY_SIZE	2
+
+/* offsets within each registry entry */
+#define DT_MSG_REGISTRY_NAME_OFFSET	0
+#define DT_MSG_REGISTRY_WINDOW_OFFSET	1
+
+/* Macros to compute offset */
+#define MSG_GROUP_NAME(R, i) \
+    (R[((i)*DT_MSG_REGISTRY_ENTRY_SIZE)+DT_MSG_REGISTRY_NAME_OFFSET])
+
+#define MSG_GROUP_WINDOW(R, i) \
+    (R[((i)*DT_MSG_REGISTRY_ENTRY_SIZE)+DT_MSG_REGISTRY_WINDOW_OFFSET])
+
+
+#endif /* not defined _DT_MSG_P_H */
+/***** END OF FILE ****/