From 303509624424b970d2a4ab36efcb79d53fb318de Mon Sep 17 00:00:00 2001
From: "E. Almqvist" <elalmqvist@gmail.com>
Date: Sat, 9 Jul 2022 14:16:07 +0200
Subject: [PATCH] Tag switching

---
 src/Makefile    |  2 +-
 src/dwm.c       |  5 ++++-
 src/xwrappers.c | 53 ++++++++++++++++++++++++++++++++++++++++++-------
 src/xwrappers.h | 22 ++++++++++++++++++--
 4 files changed, 71 insertions(+), 11 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index a59ccf4..5c4a110 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = drw.c dwm.c util.c 
+SRC = drw.c dwm.c util.c xwrappers.c
 OBJ = ${SRC:.c=.o}
 
 all: options dwm dwm-msg
diff --git a/src/dwm.c b/src/dwm.c
index b8defcd..608d2d6 100644
--- a/src/dwm.c
+++ b/src/dwm.c
@@ -66,10 +66,13 @@
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
 enum { SchemeNorm, SchemeSel }; /* color schemes */
+/*
 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
        NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
+/*
 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
+
 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
        ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
 
@@ -2187,7 +2190,7 @@ showhide(Client *c)
 	} else {
 		/* hide clients bottom up */
 		showhide(c->snext);
-		window_unmap(dpy, c->win, root, 1);
+		window_umap(dpy, c->win, root, 1);
 		//XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
 	}
 }
diff --git a/src/xwrappers.c b/src/xwrappers.c
index 75b1979..b6ee129 100644
--- a/src/xwrappers.c
+++ b/src/xwrappers.c
@@ -1,10 +1,12 @@
 #include <X11/X.h>
 #include <X11/Xlib.h>
 #include <X11/Xproto.h>
+#include <X11/Xutil.h>
 
-static Atom atom[LastAtom];
+#include "xwrappers.h"
+
+static Atom atoms[LastAtom];
 static int atoms_intialised = 0;
-static int (*xerrorxlib)(Display *, XErrorEvent *);
 
 Atom *
 get_atoms(Display *dpy)
@@ -48,10 +50,10 @@ get_atoms(Display *dpy)
 		atoms[Xembed] = XInternAtom(dpy, "_XEMBED", False);
 		atoms[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
 
-		atoms[MWMClientTags] = XInternAtom(dpy, "_MWM_CLIENT_TAGS", False);
-		atoms[MWMCurrentTags] = XInternAtom(dpy, "_MWM_CURRENT_TAGS", False);
-		atoms[MWMClientMonitor] = XInternAtom(dpy, "_MWM_CLIENT_MONITOR", False);
-		atoms[MWMBorderWidth] = XInternAtom(dpy, "_MWM_BORDER_WIDTH", False);
+		atoms[WMClientTags] = XInternAtom(dpy, "_MWM_CLIENT_TAGS", False);
+		atoms[WMCurrentTags] = XInternAtom(dpy, "_MWM_CURRENT_TAGS", False);
+		atoms[WMClientMonitor] = XInternAtom(dpy, "_MWM_CLIENT_MONITOR", False);
+		atoms[WMBorderWidth] = XInternAtom(dpy, "_MWM_BORDER_WIDTH", False);
 		atoms[SteamGame] = XInternAtom(dpy, "STEAM_GAME", False);
 
 		atoms[KDENetWMWindowTypeOverride] = XInternAtom(dpy, "_KDE_NET_WM_WINDOW_TYPE_OVERRIDE", False);
@@ -63,8 +65,45 @@ get_atoms(Display *dpy)
 	return atoms;
 }
 
+// Function to set a windows state with x
 void
 window_set_state(Display *dpy, Window win, long state) {
 	long data[] = {state, None};
-	
+	get_atoms(dpy);	
+
+	XChangeProperty(dpy, win, atoms[WMState], atoms[WMState], 32, PropModeReplace, (unsigned char*)data, 2);
+}
+
+void 
+window_map(Display *dpy, Window win, int deicon) {
+	if (!win) // if the window does not exist then just panic and escape
+		return;
+
+	XMapWindow(dpy, win);
+	if (deicon)
+		window_set_state(dpy, win, NormalState);
+	XSetInputFocus(dpy, win, RevertToPointerRoot, CurrentTime);
+}
+
+void
+window_umap(Display * dpy, Window win, Window root, int icon) {
+	static XWindowAttributes ra, ca;
+	if (!win)
+		return;
+
+	XGrabServer(dpy);
+
+	XGetWindowAttributes(dpy, root, &ra); 
+	XGetWindowAttributes(dpy, win, &ca); 
+
+	XSelectInput(dpy, root, ra.your_event_mask & ~SubstructureNotifyMask);
+	XSelectInput(dpy, win, ca.your_event_mask & ~SubstructureNotifyMask);
+
+	XUnmapWindow(dpy, win);
+	if (icon)
+		window_set_state(dpy, win, IconicState);
+
+	XSelectInput(dpy, root, ra.your_event_mask);
+	XSelectInput(dpy, win, ca.your_event_mask);
+	XUngrabServer(dpy);
 }
diff --git a/src/xwrappers.h b/src/xwrappers.h
index 62759a2..e8608ff 100644
--- a/src/xwrappers.h
+++ b/src/xwrappers.h
@@ -2,6 +2,24 @@
 #include <X11/Xlib.h>
 #include <X11/Xproto.h>
 
+enum { NetSupported, NetWMDemandsAttention, NetWMName, NetWMState, NetWMCheck,
+		NetWMActionClose, NetWMActionMinimize, NetWMAction, NetWMMoveResize,
+	   	NetWMMaximizedVert, NetWMMaximizedHorz,
+	   	NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, NetSystemTrayOrientationHorz,
+	   	NetWMFullscreen, NetActiveWindow, NetWMWindowType, NetWMWindowTypeDock, NetWMDesktop,
+	   	NetWMWindowTypeDesktop, NetWMWindowTypeDialog, NetClientList, NetClientListStacking,
+	   	NetDesktopNames, NetDesktopViewport, NetNumberOfDesktops,
+	   	NetCurrentDesktop, /* EWMH atoms */
+
+		Manager, Xembed, XembedInfo,  /* Xembed atoms */
+
+		SteamGame, WMClientTags, WMCurrentTags, WMClientMonitor, WMBorderWidth, WMLast, 
+
+		WMProtocols, WMDelete, WMState, WMTakeFocus, WMChangeState,
+		WMWindowRole, /* default atoms */
+
+		KDENetWMWindowTypeOverride, Utf8, Motif, NetLast, LastAtom };
+
 void window_set_state(Display*, Window, long);
-void window_map(Display*, Window win, long state);
-void window_umap(Display*, Window win, Window root, int);
+void window_map(Display*, Window, int);
+void window_umap(Display*, Window, Window, int);