X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_mouse.c;h=2530dec5a6e41f5725f931c610b2683bcdd3a7ca;hp=61ec3c8b71160baedc7ff32089da66f12ae686c9;hb=c976a90788f3e50afc773670ff74c5270ecb48df;hpb=af3d0ee323cbb22d2a7596d564bf68f7307f5076

diff --git a/ncurses/base/lib_mouse.c b/ncurses/base/lib_mouse.c
index 61ec3c8b..2530dec5 100644
--- a/ncurses/base/lib_mouse.c
+++ b/ncurses/base/lib_mouse.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
+ * Copyright 2018-2019,2020 Thomas E. Dickey                                *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -84,7 +85,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_mouse.c,v 1.175 2017/06/17 22:05:15 tom Exp $")
+MODULE_ID("$Id: lib_mouse.c,v 1.184 2020/02/02 23:34:34 tom Exp $")
 
 #include <tic.h>
 
@@ -438,7 +439,7 @@ allow_gpm_mouse(SCREEN *sp GCC_UNUSED)
 
 #if USE_WEAK_SYMBOLS
     /* Danger Robinson: do not use dlopen for libgpm if already loaded */
-    if ((Gpm_Wgetch)) {
+    if ((Gpm_Wgetch) != 0) {
 	if (!sp->_mouse_gpm_loaded) {
 	    T(("GPM library was already dlopen'd, not by us"));
 	}
@@ -486,15 +487,17 @@ load_gpm_library(SCREEN *sp)
 {
     sp->_mouse_gpm_found = FALSE;
     if ((sp->_dlopen_gpm = dlopen(LIBGPM_SONAME, my_RTLD)) != 0) {
-#pragma GCC diagnostic push
 #if (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
+#pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wpedantic"
 #endif
 	if (GET_DLSYM(gpm_fd) == 0 ||
 	    GET_DLSYM(Gpm_Open) == 0 ||
 	    GET_DLSYM(Gpm_Close) == 0 ||
 	    GET_DLSYM(Gpm_GetEvent) == 0) {
+#if (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
 #pragma GCC diagnostic pop
+#endif
 	    T(("GPM initialization failed: %s", dlerror()));
 	    unload_gpm_library(sp);
 	} else {
@@ -603,7 +606,7 @@ initialize_mousetype(SCREEN *sp)
 #if USE_EMX_MOUSE
     if (!sp->_emxmouse_thread
 	&& strstr(SP_TERMTYPE term_names, "xterm") == 0
-	&& key_mouse) {
+	&& NonEmpty(key_mouse)) {
 	int handles[2];
 
 	if (pipe(handles) < 0) {
@@ -714,11 +717,8 @@ initialize_mousetype(SCREEN *sp)
     CallDriver(sp, td_initmouse);
 #else
     /* we know how to recognize mouse events under "xterm" */
-    if (key_mouse != 0) {
-	if (!strcmp(key_mouse, xterm_kmous)
-	    || strstr(SP_TERMTYPE term_names, "xterm") != 0) {
-	    init_xterm_mouse(sp);
-	}
+    if (NonEmpty(key_mouse)) {
+	init_xterm_mouse(sp);
     } else if (strstr(SP_TERMTYPE term_names, "xterm") != 0) {
 	if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
 	    init_xterm_mouse(sp);
@@ -1104,7 +1104,7 @@ decode_xterm_1005(SCREEN *sp, MEVENT * eventp)
 #else
 			    sp->_ifd,
 #endif
-			    kbuf + grabbed, 1);
+			    (kbuf + grabbed), (size_t) 1);
 	if (res == -1)
 	    break;
 	grabbed += (size_t) res;
@@ -1189,7 +1189,7 @@ read_SGR(SCREEN *sp, SGR_DATA * result)
 #else
 			    sp->_ifd,
 #endif
-			    kbuf + grabbed, 1);
+			    (kbuf + grabbed), (size_t) 1);
 	if (res == -1)
 	    break;
 	if ((grabbed + MAX_KBUF) >= (int) sizeof(kbuf)) {
@@ -1275,6 +1275,15 @@ decode_xterm_SGR1006(SCREEN *sp, MEVENT * eventp)
 		eventp->bstate = REPORT_MOUSE_POSITION;
 	    }
 	}
+	if (b & 4) {
+	    eventp->bstate |= BUTTON_SHIFT;
+	}
+	if (b & 8) {
+	    eventp->bstate |= BUTTON_ALT;
+	}
+	if (b & 16) {
+	    eventp->bstate |= BUTTON_CTRL;
+	}
 	result = (eventp->bstate & REPORT_MOUSE_POSITION) ? TRUE : FALSE;
 	eventp->x = (data.params[1] ? (data.params[1] - 1) : 0);
 	eventp->y = (data.params[2] ? (data.params[2] - 1) : 0);