Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/* addpm: Adds entries to the GNU Emacs Program Manager folder.
-
- argv[1] = full path to program to execute
- argv[2] = full path to icon for emacs (optional)
- */
-
-#include <windows.h> // required for all Windows applications
-#include <ddeml.h> // required for DDEML
-#include <string.h> // required for strcpy and strlen
-
-HDDEDATA EXPENTRY dde_callback (WORD, WORD, HCONV, HSZ, HSZ, HDDEDATA, DWORD, DWORD);
-BOOL send_shell_command (DWORD, LPSTR);
-
-// Global variables
-HANDLE gh_inst; // current instance
-
/****************************************************************************
- FUNCTION: WinMain()
+ *
+ * Program: addpm (adds emacs to the Windows program manager)
+ *
+ * Usage:
+ * argv[1] = full path to program to execute
+ * argv[2] = full path to icon for emacs (optional)
+ */
- PURPOSE: Calls initialization function, processes message loop
+#include <windows.h>
+#include <ddeml.h>
+#include <stdlib.h>
+#include <stdio.h>
- PARAMETERS:
- HANDLE h_instance
- HANDLE h_prev_instance
- LPSTR lp_cmd_line
- int n_cmd_show
+HDDEDATA CALLBACK DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
+ HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
+ DWORD dwData1, DWORD dwData2)
+{
+ return ((HDDEDATA)NULL);
+}
- RETURNS:
- int
-****************************************************************************/
+#define DdeCommand(str) \
+ DdeClientTransaction (str, strlen(str)+1, HConversation, (HSZ)NULL, \
+ CF_TEXT, XTYP_EXECUTE, 30000, NULL)
-int PASCAL
-WinMain (HANDLE h_instance, // current instance
- HANDLE h_prev_instance, // previous instance
- LPSTR lp_cmd_line, // command line
- int n_cmd_show) // show-window type (open/icon)
+main (argc, argv)
+ int argc;
+ char *argv[];
{
- DWORD id_inst = 0L; // instance identifier
- FARPROC lp_dde_proc;
- char *path, *icon, *s;
+ DWORD idDde;
+ HCONV HConversation;
+ HSZ ProgMan;
char additem[MAX_PATH*2 + 100];
- gh_inst = h_instance;
-
- for (path = NULL, s = lp_cmd_line; *s && isspace (*s); s++);
- if (*s)
- {
- path = s;
- while (*s && !isspace (*s))
- s++;
- if (*s)
- *(s++) = '\0';
- }
- for (icon = NULL; *s && isspace (*s); s++);
- if (*s)
+ if (argc < 2 || argc > 3)
{
- icon = s;
- while (*s && !isspace (*s))
- s++;
- if (*s)
- *(s++) = '\0';
+ fprintf(stderr, "usage: addpm exe_path [icon_path]\n");
+ exit(1);
}
-
- lp_dde_proc = MakeProcInstance ((FARPROC) dde_callback, gh_inst);
-
- DdeInitialize (&id_inst, // receives instance ID
- (PFNCALLBACK) lp_dde_proc, // address of callback function
- APPCMD_CLIENTONLY, // this is a client app
- 0L); // reserved
- send_shell_command (id_inst, (LPSTR) "[CreateGroup(Gnu Emacs)]");
+ DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0);
- send_shell_command (id_inst, (LPSTR) "[ReplaceItem(Emacs)]");
+ ProgMan = DdeCreateStringHandle (idDde, "PROGMAN", CP_WINANSI);
- sprintf (additem, "[AddItem(%s,Emacs%c%s)]",
- path, (icon ? ',' : ' '), (icon ? icon : ""));
- send_shell_command (id_inst, additem);
-
- DdeUninitialize (id_inst);
-
- return (0);
-}
-
-
-/****************************************************************************
- FUNCTION: dde_callback()
-
- PURPOSE: Processes messages for DDEML conversation
-
- PARAMETERS:
- WORD w_type
- WORD w_fmt
- HCONV h_conv
- HSZ hsz1
- HSZ hsz2
- HDDEDATA h_data
- DWORD dw_data1
- DWORD dw_data2
-
- RETURNS:
- HDDEDATA
-****************************************************************************/
-
-HDDEDATA EXPENTRY
-dde_callback (WORD w_type, // transaction type
- WORD w_fmt, // clipboard format
- HCONV h_conv, // handle of the conversation
- HSZ hsz1, // handle of a string
- HSZ hsz2, // handle of a string
- HDDEDATA h_data, // handle of a global memory object
- DWORD dw_data1, // transaction-specific data
- DWORD dw_data2) // transaction-specific data
-{
- // Nothing need be done here...
- return (HDDEDATA) NULL;
-}
-
-
-/****************************************************************************
- FUNCTION: send_shell_command()
-
- PURPOSE: Sends the given command string to Program Manager
-
- PARAMETERS:
- LPSTR - pointer to command string
-
- RETURNS:
- BOOL - TRUE if this function succeeds, FALSE otherwise
-****************************************************************************/
-
-BOOL
-send_shell_command (DWORD id_inst, // instance identifier
- LPSTR lp_command) // command string to execute
-{
- HSZ hsz_serv_top; // Service and Topic name are "PROGMAN"
- HCONV hconv; // handle of conversation
- int n_len; // length of command string
- HDDEDATA h_data; // return value of DdeClientTransaction
- DWORD dw_result; // result of transaction
- BOOL b_result = FALSE; // TRUE if this function is successful
-
- // create string handle to service/topic
- hsz_serv_top = DdeCreateStringHandle (id_inst, "PROGMAN", CP_WINANSI);
-
- // attempt to start conversation with server app
- if ((hconv = DdeConnect (id_inst, hsz_serv_top, hsz_serv_top, NULL))
- != (HCONV) NULL)
+ if (HConversation = DdeConnect (idDde, ProgMan, ProgMan, NULL))
{
- // get length of the command string
- n_len = lstrlen ((LPSTR) lp_command);
-
- // send command to server app
- h_data = DdeClientTransaction ((LPBYTE) lp_command, // data to pass
- n_len + 1, // length of data
- hconv, // handle of conversation
- (HCONV) NULL, // handle of name-string
- CF_TEXT, // clipboard format
- XTYP_EXECUTE, // transaction type
- 1000, // timeout duration
- &dw_result); // transaction result
-
- if (h_data)
- b_result = TRUE;
-
- // end conversation
- DdeDisconnect (hconv);
+ DdeCommand ("[CreateGroup(Gnu Emacs)]");
+ DdeCommand ("[ReplaceItem(Emacs)]");
+ sprintf (additem, "[AddItem(%s,Emacs%c%s)]",
+ argv[1], (argc>2 ? ',' : ' '),
+ (argc>2 ? argv[2] : ""));
+ DdeCommand (additem);
+
+ DdeDisconnect (HConversation);
}
- // free service/topic string handle
- DdeFreeStringHandle (id_inst, hsz_serv_top);
+ DdeFreeStringHandle (idDde, ProgMan);
+
+ DdeUninitialize (idDde);
- return b_result;
+ return (0);
}
projects / emacs.git / commitdiff