Fix coding style.

1 files changed, 287 insertions, 265 deletions

diff --git a/transSet.c b/transSet.c
index b988ba4..b44c392 100644
--- a/transSet.c
+++ b/transSet.c
@@ -1,14 +1,14 @@
 /* Simple program to toggle Translucency property
    Based on 'transset' by  Matthew Hawn
    With some additional features to make it more automatic and integrated
-   The purpos is to bind it from your wm to a key or mouse-button
+   The purpose is to bind it from your wm to a key or mouse-button
 
    License: Use however you want.
-   Authors: 
-	Matthew Hawn
-	Daniel Forchheimer
-	Andreas Kohn
-	Roman Divacky
+   Authors:
+   Matthew Hawn
+   Daniel Forchheimer
+   Andreas Kohn
+   Roman Divacky
 */
 
 #define VERSIONSTR "6"
@@ -28,281 +28,303 @@ Window target_win;
 
 /* needed by dsimple.c */
 
-void usage(void)
+void
+Usage (void)
 {
-  fprintf(stderr,"usage: transset-df [-options ...] [opacity]\n");
-  fprintf(stderr,"options:\n");
-
-  fprintf(stderr,
-	  "    -h, --help           display this message\n");
-  fprintf(stderr,
-	  "    -t, --toggle         force toggle of opacity\n");
-  fprintf(stderr,
-	  "    -c, --click          select by clicking on window (default)\n");
-  fprintf(stderr,
-	  "    -p, --point          select the window currently under the cursor\n");
-  fprintf(stderr,
-	  "    -a, --actual         select the actual window\n");
-  fprintf(stderr,
-	  "    -n, --name NAME      select by name, NAME is matched as regular expression\n");
-  fprintf(stderr,
-	  "    --no-regex           don't use regular expression for matching name\n");
-  fprintf(stderr,
-	  "    -i, --id             select by window id\n");
-  fprintf(stderr,
-	  "        --inc            increase by the given opacity\n");
-  fprintf(stderr,
-	  "        --dec            decrease by given opacity\n");
-  fprintf(stderr,
-	  "    -m, --min OPACITY    minimum possible opacity (default = 0)\n");
-  fprintf(stderr,
-	  "    -x, --max OPACITY    maximum possible opacity (default = 1)\n");
-  fprintf(stderr,
-	  "    -v, --verbose        print some debug info\n");
-  fprintf(stderr,
-	  "    -V, --version        print version number\n");
-
-  exit(1);
+    fprintf (stderr, "usage: transset-df [-options ...] [opacity]\n");
+    fprintf (stderr, "options:\n");
+
+    fprintf (stderr,
+             "    -h, --help           display this message\n");
+    fprintf (stderr,
+             "    -t, --toggle         force toggle of opacity\n");
+    fprintf (stderr,
+             "    -c, --click          select by clicking on window  (default)\n");
+    fprintf (stderr,
+             "    -p, --point          select the window currently under the cursor\n");
+    fprintf (stderr,
+             "    -a, --actual         select the actual window\n");
+    fprintf (stderr,
+             "    -n, --name NAME      select by name, NAME is matched as regular expression\n");
+    fprintf (stderr,
+             "    --no-regex           don't use regular expression for matching name\n");
+    fprintf (stderr,
+             "    -i, --id             select by window id\n");
+    fprintf (stderr,
+             "        --inc            increase by the given opacity\n");
+    fprintf (stderr,
+             "        --dec            decrease by given opacity\n");
+    fprintf (stderr,
+             "    -m, --min OPACITY    minimum possible opacity  (default = 0)\n");
+    fprintf (stderr,
+             "    -x, --max OPACITY    maximum possible opacity  (default = 1)\n");
+    fprintf (stderr,
+             "    -v, --verbose        print some debug info\n");
+    fprintf (stderr,
+             "    -V, --version        print version number\n");
+
+    exit (1);
 }
 
 #define OPAQUE	0xffffffff
 #define OPACITY	"_NET_WM_WINDOW_OPACITY"
 
 /* returns the highest parent of child that is not the root-window */
-static Window get_top_window(Display *dpy,Window child) {
-		Window parent;
-		Window root;
-		Window *child_list;
-		unsigned int num_children;
-		
-	 	if (!XQueryTree(dpy, child, &root, &parent, &child_list,
-				  &num_children))
-  	  Fatal_Error("Can't query window tree.");
-		if(parent==root) return child;
-		
-		while(parent!=root) {
-			child = parent;
-	 		if (!XQueryTree(dpy, child, &root, &parent, &child_list,
-				  &num_children))
-			Fatal_Error("Can't query window tree.");
-
-		}
-		return child;
+static Window
+Get_Top_Window (Display *dpy, Window child) {
+    Window parent;
+    Window root;
+    Window *child_list;
+    unsigned int num_children;
+
+    if (!XQueryTree (dpy, child, &root, &parent, &child_list,
+                     &num_children))
+        Fatal_Error ("Can't query window tree.");
+
+    if (parent == root)
+        return child;
+
+    while (parent != root) {
+        child = parent;
+        if (!XQueryTree (dpy, child, &root, &parent, &child_list,
+                         &num_children))
+            Fatal_Error ("Can't query window tree.");
+
+    }
+    return child;
 }
 
-/* returns the actual window */
-static Window get_actual_window(Display *dpy)
+static Window
+Get_Actual_Window (Display *dpy)
 {
     int i;
     Window w;
 
-    XGetInputFocus(dpy, &w, &i);
-    return get_top_window(dpy, w);
+    XGetInputFocus (dpy, &w, &i);
+    return Get_Top_Window (dpy, w);
 }
 
-/* nothing fancy */
-int main(int argc, char **argv)
+int
+main (int argc, char **argv)
 {
-  int gotd = 0;
-  double d;
-  unsigned int opacity;
-  unsigned int current_opacity;
-  int select_method = 0; // 0 = click, 1 = point, 2 = id, 3 = name
-  int flag_toggle=0;
-  int flag_increase=0;
-  int flag_decrease=0;
-	int flag_verbose=0;
-	int flag_no_regex=0;
-  int o;
-  float min=0,max=1;
-	char *idstr,*namestr;
-	char *windowname=NULL;
-	
-  int options_index=0;
-  static struct option long_options[] = {
-    {"toggle",0,NULL,'t'},
-    {"help",0,NULL,'h'},
-    {"point",0,NULL,'p'},
-    {"actual",0,NULL,'a'},
-    {"click",0,NULL,'c'},
-    {"id",1,NULL,'i'},
-    {"name",1,NULL,'n'},
-    {"inc",0,NULL,'1'},
-    {"dec",0,NULL,'2'},
-    {"min",1,NULL,'m'},
-    {"max",1,NULL,'x'},
-    {"no-regex",0,NULL,'4'},
-    {"version",0,NULL,'V'},
-    {"verbose",0,NULL,'v'},
-    {0,0,0,0}
-  };
-  unsigned char *data;
-
-  Atom actual;
-  int format;
-  unsigned long n, left;
-
-  /* wonderful utility */
-  Setup_Display_And_Screen(&argc, argv);
-
-	/* parse arguments */
-  while ((o = getopt_long(argc, argv, "thapci:n:vVm:x:123",long_options,&options_index)) != -1)
-    {
-      switch (o) {
-      case 't':
-				flag_toggle=1;
-			break;
-      case 'h':
-				usage();
-			break;
-      case 'c':
-				select_method=0;
-			break;
-      case 'p':
-				select_method=1;
-			break;
-      case 'i':
-				idstr = malloc(strlen(optarg)+1);
-				idstr = optarg;
-				select_method=2;
-			break;
-      case 'n':
-				namestr = malloc(strlen(optarg)+1);
-				namestr = optarg;
-				select_method=3;
-			break;
-      case 'a':
-				select_method=4;
-			break;
-      case '1':
-				flag_increase=1;
-			break;
-      case '2':
-				flag_decrease=1;
-			break;
-      case 'v':
-				flag_verbose=1;
-			break;
-      case '4':
-				flag_no_regex=1;
-			break;
-      case 'm':
-				min = atof(optarg);
-			break;
-      case 'x':
-				max = atof(optarg);
-			break;
-      case 'V':
-				fprintf(stderr,"version: %s\nreleased: %s\n",VERSIONSTR,RELEASEDATESTR);
-				exit(1);
-			break;
-      default:
-				usage();
-      }
+    int gotd = 0;
+    double d;
+    unsigned int opacity;
+    unsigned int current_opacity;
+    int select_method = 0; // 0 = click, 1 = point, 2 = id, 3 = name
+    int flag_toggle = 0;
+    int flag_increase = 0;
+    int flag_decrease = 0;
+    int flag_verbose = 0;
+    int flag_no_regex = 0;
+    int o;
+    float min = 0, max = 1;
+    char *idstr, *namestr;
+    char *windowname = NULL;
+
+    int options_index = 0;
+    static struct option long_options[] = {
+        {"toggle", 0, NULL, 't'},
+        {"help", 0, NULL, 'h'},
+        {"point", 0, NULL, 'p'},
+        {"actual", 0, NULL, 'a'},
+        {"click", 0, NULL, 'c'},
+        {"id", 1, NULL, 'i'},
+        {"name", 1, NULL, 'n'},
+        {"inc", 0, NULL, '1'},
+        {"dec", 0, NULL, '2'},
+        {"min", 1, NULL, 'm'},
+        {"max", 1, NULL, 'x'},
+        {"no-regex", 0, NULL, '4'},
+        {"version", 0, NULL, 'V'},
+        {"verbose", 0, NULL, 'v'},
+        {0, 0, 0, 0}
+    };
+    unsigned char *data;
+
+    Atom actual;
+    int format;
+    unsigned long n, left;
+
+    /* wonderful utility */
+    Setup_Display_And_Screen (&argc, argv);
+
+    /* parse arguments */
+    while ((o = getopt_long (argc, argv, "thapci:n:vVm:x:123",
+                             long_options, &options_index)) != -1) {
+        switch (o) {
+        case 't':
+            flag_toggle = 1;
+            break;
+        case 'h':
+            Usage ();
+            break;
+        case 'c':
+            select_method = 0;
+            break;
+        case 'p':
+            select_method = 1;
+            break;
+        case 'i':
+            idstr = malloc (strlen (optarg) + 1);
+            idstr = optarg;
+            select_method = 2;
+            break;
+        case 'n':
+            namestr = malloc (strlen (optarg) + 1);
+            namestr = optarg;
+            select_method = 3;
+            break;
+        case 'a':
+            select_method = 4;
+            break;
+        case '1':
+            flag_increase = 1;
+            break;
+        case '2':
+            flag_decrease = 1;
+            break;
+        case 'v':
+            flag_verbose = 1;
+            break;
+        case '4':
+            flag_no_regex = 1;
+            break;
+        case 'm':
+            min = atof (optarg);
+            break;
+        case 'x':
+            max = atof (optarg);
+            break;
+        case 'V':
+            fprintf (stderr, "version: %s\nreleased: %s\n",
+                     VERSIONSTR, RELEASEDATESTR);
+            exit (1);
+            break;
+        default:
+            Usage ();
+        }
+    }
+
+    if (optind < argc) {
+        d = atof (argv[optind]);
+        gotd = 1;
     }
-  
-  if(optind<argc)
-  {
-    d = atof (argv[optind]);
-    gotd = 1;
-  }
-
-  /* select the window to make transparent */
-  if(select_method==1) {
-    /* don't wait for click */
-		if(flag_verbose) printf("Selecting window by click\n");
-    target_win = Get_Window_Under_Cursor(dpy);
-	} else if(select_method==2) {
-    /* select by id, pretty much ripped from dsimple.c */
-		if(flag_verbose) printf("Selecting window by id\n");
-		sscanf(idstr, "0x%lx", &target_win);
-		if (!target_win)
-		  sscanf(idstr, "%ld", &target_win);
-		if (!target_win) {
-		  fprintf(stderr,"Invalid window id format: %s.\n", idstr);
-			exit(0);
-		}
-		if(flag_verbose) printf("Selected 0x%x, trying to get top parent ... ",(unsigned int)target_win);
-		target_win = get_top_window(dpy,target_win);
-		if(flag_verbose) printf("found 0x%x\n",(unsigned int)target_win);
-		
-	} else if(select_method==3) {
-    /* select by name, pretty much ripped from dsimple.c */
-		if(flag_verbose) printf("Selecting window by name\n");
-
-		if(flag_no_regex)
-			target_win = Window_With_Name(dpy, RootWindow(dpy, screen),namestr);
-		else
-			target_win = Window_With_Name_Regex(dpy, RootWindow(dpy, screen),namestr);
-		
-		if (!target_win) {
-			  fprintf(stderr,"No window matching %s exists!\n",namestr);
-				exit(0);
-		}
-		/* store the matched window name*/
-		XFetchName(dpy,target_win,&windowname);
-
-		if(flag_verbose) printf("Selected 0x%x, trying to get top parent ... ",(unsigned int)target_win);
-		target_win = get_top_window(dpy,target_win);
-		if(flag_verbose) printf("found 0x%x\n",(unsigned int)target_win);
-		
-  } else if(select_method==4) {
-     target_win = get_actual_window(dpy);
-  } else {
-    /* grab mouse and return window that is next clicked */
-    target_win = Select_Window(dpy);
-  }
-  
-  if (!gotd) d=0.75;
-
-  /* get property */
-  XGetWindowProperty(dpy, target_win, XInternAtom(dpy, OPACITY, False), 
-		     0L, 1L, False, XA_CARDINAL, &actual, &format, &n, &left, 
-		     (unsigned char **) &data);
-  
-  if (data != None)
-    {
-      memcpy (&current_opacity, data, sizeof (unsigned int));
-      XFree(( void *) data );
-      if(flag_verbose) printf("Found transparency: %g\n", (double) opacity / OPAQUE);
+
+    /* select the window to make transparent */
+    if (select_method == 1) {
+        /* don't wait for click */
+        if (flag_verbose)
+            printf ("Selecting window by click\n");
+        target_win = Get_Window_Under_Cursor (dpy);
+    } else if (select_method == 2) {
+        /* select by id, pretty much ripped from dsimple.c */
+        if (flag_verbose)
+            printf ("Selecting window by id\n");
+        sscanf (idstr, "0x%lx", &target_win);
+        if (!target_win)
+            sscanf (idstr, "%ld", &target_win);
+        if (!target_win) {
+            fprintf (stderr, "Invalid window id format: %s.\n", idstr);
+            exit (0);
+        }
+        if (flag_verbose)
+            printf ("Selected 0x%x, trying to get top parent ... ",
+                    (unsigned int) target_win);
+        target_win = Get_Top_Window (dpy, target_win);
+        if (flag_verbose)
+            printf ("found 0x%x\n", (unsigned int) target_win);
+
+    } else if (select_method == 3) {
+        /* select by name, pretty much ripped from dsimple.c */
+        if (flag_verbose)
+            printf ("Selecting window by name\n");
+
+        if (flag_no_regex)
+            target_win = Window_With_Name (dpy, RootWindow (dpy, screen),
+                                           namestr);
+        else
+            target_win = Window_With_Name_Regex (dpy, RootWindow (dpy, screen),
+                                                 namestr);
+
+        if (!target_win) {
+            fprintf (stderr, "No window matching %s exists!\n", namestr);
+            exit (0);
+        }
+        /* store the matched window name*/
+        XFetchName (dpy, target_win, &windowname);
+
+        if (flag_verbose)
+            printf ("Selected 0x%x, trying to get top parent ... ",
+                    (unsigned int) target_win);
+
+        target_win = Get_Top_Window (dpy, target_win);
+        if (flag_verbose)
+            printf ("found 0x%x\n", (unsigned int) target_win);
+
+    } else if (select_method == 4) {
+        target_win = Get_Actual_Window (dpy);
+    } else {
+        /* grab mouse and return window that is next clicked */
+        target_win = Select_Window (dpy);
     }
-  else
-    current_opacity = OPAQUE;
-  
-  if(flag_increase) {
-    d = (double)current_opacity/OPAQUE + d; 
-  } else if(flag_decrease) {
-    d = (double)current_opacity/OPAQUE - d;
-  }
- //printf("%f\n",d);
-  /* check min and max */
-  if(d<min) d=min;
-  if(d>max) d=max;
-
-  opacity = (unsigned int) (d * OPAQUE);
-
-  /* for user-compability with transset */
-  if(!gotd) flag_toggle=1;
-  
-  /* toggle */ 
-  if(flag_toggle)
-    if (current_opacity != OPAQUE)
-      opacity = OPAQUE;
-
-  //  printf ("opacity 0x%x\n", opacity);
-  if (opacity == OPAQUE)
-  	XDeleteProperty (dpy, target_win, XInternAtom(dpy, OPACITY, False));
-  /* set it */
-	else
-    XChangeProperty(dpy, target_win, XInternAtom(dpy, OPACITY, False), 
-		    XA_CARDINAL, 32, PropModeReplace, 
-		    (unsigned char *) &opacity, 1L);
-  XSync(dpy, False);
-
-	printf("Set Property to %g", (double) opacity / OPAQUE);
-  if(windowname) printf(" on \n%s\n",windowname);
-	else printf("\n");
-	if(flag_verbose) printf("Propery set on: 0x%x\n",(unsigned int)target_win);
-  /* all done, wasn't that simple */
-  return 0;
+
+    if (!gotd)
+        d = 0.75;
+
+    /* get property */
+    XGetWindowProperty (dpy, target_win, XInternAtom (dpy, OPACITY, False),
+                        0L, 1L, False, XA_CARDINAL, &actual, &format, &n, &left,
+                        (unsigned char **) &data);
+
+    if (data != None) {
+        memcpy (&current_opacity, data, sizeof (unsigned int));
+        XFree ((void *) data);
+        if (flag_verbose)
+            printf ("Found transparency: %g\n",
+                    (double) opacity / OPAQUE);
+    } else
+        current_opacity = OPAQUE;
+
+    if (flag_increase)
+        d = (double) current_opacity / OPAQUE + d;
+    else if (flag_decrease)
+        d = (double) current_opacity / OPAQUE - d;
+
+    /* check min and max */
+    if (d < min)
+        d = min;
+    if (d > max)
+        d = max;
+
+    opacity = (unsigned int) (d * OPAQUE);
+
+    /* for user-compability with transset */
+    if (!gotd)
+        flag_toggle = 1;
+
+    /* toggle */
+    if (flag_toggle)
+        if (current_opacity != OPAQUE)
+            opacity = OPAQUE;
+
+    if (opacity == OPAQUE)
+  	XDeleteProperty (dpy, target_win, XInternAtom (dpy, OPACITY, False));
+    /* set it */
+    else
+        XChangeProperty (dpy, target_win, XInternAtom (dpy, OPACITY, False),
+                         XA_CARDINAL, 32, PropModeReplace,
+                         (unsigned char *) &opacity, 1L);
+    XSync (dpy, False);
+
+    printf ("Set Property to %g", (double) opacity / OPAQUE);
+    if (windowname)
+        printf (" on \n%s\n", windowname);
+    else
+        printf ("\n");
+
+    if (flag_verbose)
+        printf ("Propery set on: 0x%x\n", (unsigned int) target_win);
+
+    return 0;
 }