From 7e731ccb4c0a61f1b396375d131303754ebaeb95 Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Thu, 20 Feb 2020 19:28:09 +0200
Subject: [PATCH] sowm: added titlebar feature

--- a/config.def.h.orig
+++ b/config.def.h
@@ -3,6 +3,8 @@

 #define MOD Mod4Mask
 #define ROUND_CORNERS 20
+#define TH  90
+#define TC  255 + (255<<8) + (255<<16)

 const char* menu[]    = {"dmenu_run",      0};
 const char* term[]    = {"st",             0};
--- a/sowm.h
+++ b/sowm.h
@@ -30,7 +30,7 @@ typedef struct client {
     struct client *next, *prev;
     int f, wx, wy;
     unsigned int ww, wh;
-    Window w;
+    Window w, t;
 } client;

 void button_press(XEvent *e);
--- a/sowm.c.orig
+++ b/sowm.c
@@ -1,6 +1,7 @@
 // sowm - An itsy bitsy floating window manager.

 #include <X11/Xlib.h>
+#include <X11/Xutil.h>
 #include <X11/XF86keysym.h>
 #include <X11/keysym.h>
 #include <X11/XKBlib.h>
@@ -8,6 +9,7 @@
 #include <stdlib.h>
 #include <signal.h>
 #include <unistd.h>
+#include <string.h>

 #include "sowm.h"

@@ -45,6 +47,27 @@
         MAX(10, wh + (r ? m == 'n' ? -arg.i : m == 's' ?  arg.i : 0 : 0)));
 }

+void title_add(client *c) {
+    if (c->t) return;
+
+    XClassHint cl;
+    XGetClassHint(d, c->w, &cl);
+
+    if (!strcmp(cl.res_name, "no-title")) return;
+
+    win_size(c->w, &wx, &wy, &ww, &wh);
+    c->t = XCreateSimpleWindow(d, root, wx, wy - TH, ww, TH, 0, TC, TC);
+    XMapWindow(d, c->t);
+}
+
+void title_del(client *c) {
+    if (!c->t) return;
+
+    XUnmapWindow(d, c->t);
+    XDestroyWindow(d, c->t);
+    c->t = 0;
+}
+
 void win_focus(client *c) {
     cur = c;
     XSetInputFocus(d, cur->w, RevertToParent, CurrentTime);
@@ -65,6 +88,11 @@
 void notify_motion(XEvent *e) {
     if (!mouse.subwindow || cur->f) return;

+    if (mouse.subwindow == cur->t) {
+        mouse.subwindow = cur->w;
+        win_size(cur->w, &wx, &wy, &ww, &wh);
+    }
+
     while(XCheckTypedEvent(d, MotionNotify, e));

     int xd = e->xbutton.x_root - mouse.x_root;
@@ -75,7 +103,12 @@
         wy + (mouse.button == 1 ? yd : 0),
         MAX(1, ww + (mouse.button == 3 ? xd : 0)),
         MAX(1, wh + (mouse.button == 3 ? yd : 0)));
-
+
+    if (cur->t) XMoveResizeWindow(d, cur->t,
+        wx + (mouse.button == 1 ? xd : 0),
+        wy + (mouse.button == 1 ? yd : 0) - TH,
+        MAX(1, ww + (mouse.button == 3 ? xd : 0)), TH);
+
     if (mouse.button == 3)
         win_round_corners(mouse.subwindow, ROUND_CORNERS);
 }
@@ -134,6 +167,7 @@
     if (x->next)      x->next->prev = x->prev;
     if (x->prev)      x->prev->next = x->next;

+    title_del(x);
     free(x);
     ws_save(ws);
 }
@@ -155,6 +189,8 @@

     win_size(cur->w, &(int){0}, &(int){0}, &ww, &wh);
     XMoveWindow(d, cur->w, (sw - ww) / 2, (sh - wh) / 2);
+
+    if (cur->t) XMoveWindow(d, cur->t, (sw - ww) / 2, (sh - wh - TH * 2) / 2);
 }

 void win_fs(const Arg arg) {
@@ -163,9 +199,12 @@
     if ((cur->f = cur->f ? 0 : 1)) {
         win_size(cur->w, &cur->wx, &cur->wy, &cur->ww, &cur->wh);
         XMoveResizeWindow(d, cur->w, 0, 0, sw, sh);
+        XRaiseWindow(d, cur->w);
+        title_del(cur);

     } else {
         XMoveResizeWindow(d, cur->w, cur->wx, cur->wy, cur->ww, cur->wh);
+        title_add(cur);
     }

     win_round_corners(cur->w, cur->f ? 0 : ROUND_CORNERS);
@@ -216,6 +255,7 @@
     ws_sel(tmp);
     win_del(cur->w);
     XUnmapWindow(d, cur->w);
+    title_del(cur);
     ws_save(tmp);

     if (list) win_focus(list);
@@ -225,6 +265,10 @@
     if (!cur) return;

     XRaiseWindow(d, cur->prev->w);
+
+    if (cur->prev->t)
+        XRaiseWindow(d, cur->prev->t);
+
     win_focus(cur->prev);
 }

@@ -232,6 +276,10 @@
     if (!cur) return;

     XRaiseWindow(d, cur->next->w);
+
+    if (cur->next->t)
+        XRaiseWindow(d, cur->next->t);
+
     win_focus(cur->next);
 }

@@ -243,11 +291,17 @@
     ws_save(ws);
     ws_sel(arg.i);

-    for win XMapWindow(d, c->w);
+    for win {
+        XMapWindow(d, c->w);
+        title_add(c);
+    }

     ws_sel(tmp);

-    for win XUnmapWindow(d, c->w);
+    for win {
+        XUnmapWindow(d, c->w);
+        title_del(c);
+    }

     ws_sel(arg.i);

@@ -282,6 +336,7 @@
     win_round_corners(w, ROUND_CORNERS);
     XMapWindow(d, w);
     win_focus(list->prev);
+    title_add(cur);
 }

 void run(const Arg arg) {