1 files changed, 35 insertions, 10 deletions

diff --git a/src/sxwm.c b/src/sxwm.c
index 843b133..8a16b11 100644
--- a/src/sxwm.c
+++ b/src/sxwm.c
@@ -89,6 +89,7 @@ void remove_scratchpad(int n);
 /* void resize_stack_add(void); */
 /* void resize_stack_sub(void); */
 void run(void);
+void reset_opacity(Window w);
 void scan_existing_windows(void);
 void select_input(Window w, Mask masks);
 void send_wm_take_focus(Window w);
@@ -96,6 +97,7 @@ void setup(void);
 void setup_atoms(void);
 void set_frame_extents(Window w);
 void set_input_focus(Client *c, Bool raise_win, Bool warp);
+void set_opacity(Window w, double opacity);
 void set_win_scratchpad(int n);
 int snap_coordinate(int pos, int size, int screen_size, int snap_dist);
 void spawn(const char * const *argv);
@@ -1106,7 +1108,7 @@ void hdl_map_req(XEvent *xev)
 	}
 
 	if (open_windows == MAX_CLIENTS) {
-		printf("sxwm: max clients reached, ignoring map request\n");
+		fprintf(stderr, "sxwm: max clients reached, ignoring map request\n");
 		return;
 	}
 
@@ -1458,13 +1460,13 @@ Bool is_child_proc(pid_t parent_pid, pid_t child_pid)
 		snprintf(path, sizeof(path), "/proc/%d/stat", current_pid);
 		f = fopen(path, "r");
 		if (!f) {
-			printf("sxwm: could not open %s\n", path);
+			fprintf(stderr, "sxwm: could not open %s\n", path);
 			return False;
 		}
 
 		int ppid = 0;
 		if (fscanf(f, "%*d %*s %*c %d", &ppid) != 1) {
-			printf("sxwm: failed to read ppid from %s\n", path);
+			fprintf(stderr, "sxwm: failed to read ppid from %s\n", path);
 			fclose(f);
 			return False;
 		}
@@ -1476,7 +1478,7 @@ Bool is_child_proc(pid_t parent_pid, pid_t child_pid)
 
 		if (ppid <= 1) {
 			/* Reached init or kernel */
-			printf("sxwm: reached init/kernel, no relationship found\n");
+			fprintf(stderr, "sxwm: reached init/kernel, no relationship found\n");
 			break;
 		}
 		current_pid = ppid;
@@ -1720,7 +1722,7 @@ void quit(void)
 	XFreeCursor(dpy, cursor_move);
 	XFreeCursor(dpy, cursor_normal);
 	XFreeCursor(dpy, cursor_resize);
-	printf("quitting...\n");
+	puts("quitting...");
 	running = False;
 }
 
@@ -2174,6 +2176,27 @@ void set_win_scratchpad(int n)
 	scratchpads[n].enabled = False;
 }
 
+void reset_opacity(Window w)
+{
+	Atom atom = XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False);
+	XDeleteProperty(dpy, w, atom);
+}
+
+
+void set_opacity(Window w, double opacity)
+{
+    unsigned long op = (unsigned long)(opacity * 0xFFFFFFFF);
+    Atom atom = XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False);
+
+    if (opacity < 0.0) {
+		opacity = 0.0;
+	}
+    if (opacity > 1.0) {
+		opacity = 1.0;
+	}
+    XChangeProperty(dpy, w, atom, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&op, 1);
+}
+
 int snap_coordinate(int pos, int size, int screen_size, int snap_dist)
 {
 	if (UDIST(pos, 0) <= snap_dist) {
@@ -2659,10 +2682,12 @@ void toggle_fullscreen(void)
 		XSetWindowBorderWidth(dpy, focused->win, 0);
 		XMoveResizeWindow(dpy, focused->win, fs_x, fs_y, fs_w, fs_h);
 		XRaiseWindow(dpy, focused->win);
+		set_opacity(focused->win, 100);
 	}
 	else {
 		XMoveResizeWindow(dpy, focused->win, focused->orig_x, focused->orig_y, focused->orig_w, focused->orig_h);
 		XSetWindowBorderWidth(dpy, focused->win, user_config.border_width);
+		reset_opacity(focused->win);
 
 		if (!focused->floating) {
 			focused->mon = get_monitor_for(focused);
@@ -3014,7 +3039,7 @@ void xev_case(XEvent *xev)
 		evtable[xev->type](xev);
 	}
 	else {
-		printf("sxwm: invalid event type: %d\n", xev->type);
+		fprintf(stderr, "sxwm: invalid event type: %d\n", xev->type);
 	}
 }
 
@@ -3023,7 +3048,7 @@ int main(int ac, char **av)
 	if (ac > 1) {
 		if (strcmp(av[1], "-v") == 0 || strcmp(av[1], "--version") == 0) {
 			printf("%s\n%s\n%s\n", SXWM_VERSION, SXWM_AUTHOR, SXWM_LICINFO);
-			exit(0);
+			return EXIT_SUCCESS;
 		}
 		else if (strcmp(av[1], "-b") == 0 || strcmp(av[1], "--backup") == 0) {
 			puts("sxwm: using backup keybinds");
@@ -3033,11 +3058,11 @@ int main(int ac, char **av)
 			puts("usage:\n");
 			puts("\t[-v || --version]: See the version of sxwm\n");
 			puts("\t[-b || --backup]: Use backup set of keybinds with sxwm\n");
-			exit(0);
+			return EXIT_SUCCESS;
 		}
 	}
 	setup();
-	printf("sxwm: starting...\n");
+	puts("sxwm: starting...");
 	run();
-	return 0;
+	return EXIT_SUCCESS;
 }