Adding swapmouse patch ref. #28

README.md

@@ -15,6 +15,8 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
 
 ### Changelog:
 
+2021-05-16 - Added swapmouse patch
+
 2021-05-11 - Added default cursor patch
 
 2021-05-10 - Upgrade to 46b02f, 2021-03-28
@@ -180,7 +182,8 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
         [theme.sh](https://github.com/lemnos/theme.sh) which expect these colours to be distinct
 
    - [relativeborder](https://st.suckless.org/patches/relativeborder/)
-      - allows you to specify a border that is relative in size to the width of a cell in the terminal
+      - allows you to specify a border that is relative in size to the width of a cell in the
+        terminal
 
    - [right-click-to-plumb](https://st.suckless.org/patches/right_click_to_plumb/)
       - allows you to right-click on some selected text to send it to the plumbing program of choice
@@ -192,16 +195,23 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
       - this patch adds SIXEL graphics support
 
    - st-embedder
-      - this patch allows clients to embed into the st window and can be useful if you tend to start X applications from the terminal
+      - this patch allows clients to embed into the st window and can be useful if you tend to
+        start X applications from the terminal
       - the behavior is similar to Plan 9 where applications can take over windows
 
    - [spoiler](https://st.suckless.org/patches/spoiler/)
       - use inverted defaultbg/fg for selection when bg/fg are the same
 
+   - [swapmouse](https://st.suckless.org/patches/swapmouse/)
+      - changes the mouse shape to the global default when the running program subscribes for mouse
+        events, for instance, in programs like ranger and fzf
+      - it emulates the behaviour shown by vte terminals like termite
+
    - [sync](https://st.suckless.org/patches/sync/)
       - adds synchronized-updates/application-sync support in st
       - this has no effect except when an application uses the synchronized-update escape sequences
-      - with this patch nearly all cursor flicker is eliminated in tmux, and tmux detects it automatically via terminfo
+      - with this patch nearly all cursor flicker is eliminated in tmux, and tmux detects it
+        automatically via terminfo
 
    - [themed-cursor](https://st.suckless.org/patches/themed_cursor/)
       - instead of a default X cursor, use the xterm cursor from your cursor theme

patches.def.h

@@ -293,6 +293,13 @@
  */
 #define SPOILER_PATCH 0
 
+/* This patch changes the mouse shape to the global default when the running program subscribes
+ * for mouse events, for instance, in programs like ranger and fzf. It emulates the behaviour
+ * shown by vte terminals like termite.
+ * https://st.suckless.org/patches/swapmouse/
+ */
+#define SWAPMOUSE_PATCH 0
+
 /* This patch adds synchronized-updates/application-sync support in st.
  * This will have no effect except when an application uses the synchronized-update escape
  * sequences. With this patch nearly all cursor flicker is eliminated in tmux, and tmux detects

x.c

@@ -199,6 +199,10 @@ static int bellon = 0;    /* visual bell status */
 #if RELATIVEBORDER_PATCH
 int borderpx;
 #endif // RELATIVEBORDER_PATCH
+#if SWAPMOUSE_PATCH
+static Cursor cursor;
+static XColor xmousefg, xmousebg;
+#endif // SWAPMOUSE_PATCH
 
 #include "patch/x_include.c"
 
@@ -723,7 +727,14 @@ bmotion(XEvent *e)
 {
 	#if HIDECURSOR_PATCH
 	if (!xw.pointerisvisible) {
+		#if SWAPMOUSE_PATCH
+		if (win.mode & MODE_MOUSE)
+			XUndefineCursor(xw.dpy, xw.win);
+		else
+			XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+		#else
 		XDefineCursor(xw.dpy, xw.win, xw.vpointer);
+		#endif // SWAPMOUSE_PATCH
 		xw.pointerisvisible = 1;
 		if (!IS_SET(MODE_MOUSEMANY))
 			xsetpointermotion(0);
@@ -1255,12 +1266,14 @@ xinit(int cols, int rows)
 	XGCValues gcvalues;
 	#if HIDECURSOR_PATCH
 	Pixmap blankpm;
-	#else
+	#elif !SWAPMOUSE_PATCH
 	Cursor cursor;
 	#endif // HIDECURSOR_PATCH
 	Window parent;
 	pid_t thispid = getpid();
+	#if !SWAPMOUSE_PATCH
 	XColor xmousefg, xmousebg;
+	#endif // SWAPMOUSE_PATCH
 	#if ALPHA_PATCH
 	XWindowAttributes attr;
 	XVisualInfo vis;
@@ -2398,6 +2411,18 @@ xsetmode(int set, unsigned int flags)
 {
 	int mode = win.mode;
 	MODBIT(win.mode, set, flags);
+	#if SWAPMOUSE_PATCH
+	if ((flags & MODE_MOUSE)
+	#if HIDECURSOR_PATCH
+		&& xw.pointerisvisible
+	#endif // HIDECURSOR_PATCH
+	) {
+		if (win.mode & MODE_MOUSE)
+			XUndefineCursor(xw.dpy, xw.win);
+		else
+			XDefineCursor(xw.dpy, xw.win, cursor);
+	}
+	#endif // SWAPMOUSE_PATCH
 	if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
 		redraw();
 }