From 95fc20978b57903ec7534b685f3d91b912c3ecce Mon Sep 17 00:00:00 2001
From: Kim Woelders <kim@woelders.dk>
Date: Fri, 29 Apr 2005 17:37:30 +0000
Subject: [PATCH] Initial ARGB client support (Rajsekar Manokaran).

SVN revision: 14501
---
 AUTHORS     |  3 +++
 src/E.h     |  3 +++
 src/ewins.c | 22 ++++++++++++++++++++--
 src/x.c     | 31 ++++++++++++++++++++++++++++++-
 4 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/AUTHORS b/AUTHORS
index 917705f2..b10b67ff 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -228,5 +228,8 @@ Hor
 Andreas Volz <andreas.volz@brachttal.net>
 	Icons in focus list
 
+Rajsekar Manokaran <rajsekar@gmail.com>
+	Patch for ARGB client support
+
 And others whose names we probably forgot to add (email us and we'll put you
 in here)
diff --git a/src/E.h b/src/E.h
index 68d44c56..cc57ce65 100644
--- a/src/E.h
+++ b/src/E.h
@@ -2263,6 +2263,9 @@ void                EventCallbacksProcess(XEvent * ev);
 
 Window              ECreateWindow(Window parent, int x, int y, int w, int h,
 				  int saveunder);
+Window              ECreateVisualWindow(Window parent, int x, int y, int w,
+					int h, int saveunder,
+					XWindowAttributes * child_attr);
 Window              ECreateEventWindow(Window parent, int x, int y, int w,
 				       int h);
 Window              ECreateFocusWindow(Window parent, int x, int y, int w,
diff --git a/src/ewins.c b/src/ewins.c
index 78b4458c..405d8811 100644
--- a/src/ewins.c
+++ b/src/ewins.c
@@ -66,7 +66,10 @@ EwinCreate(Window win, int type)
    EWin               *ewin;
    XSetWindowAttributes att;
    Window              frame;
+   int                 require_argb;
+   XWindowAttributes   win_attr;
 
+   require_argb = 0;
    ewin = Ecalloc(1, sizeof(EWin));
 
    ewin->type = type;
@@ -107,7 +110,18 @@ EwinCreate(Window win, int type)
 
    ewin->ewmh.opacity = 0;	/* If 0, ignore */
 
-   frame = ECreateWindow(VRoot.win, -10, -10, 1, 1, 1);
+   {
+      Status              s = XGetWindowAttributes(disp, win, &win_attr);
+
+      if (s != BadDrawable && s != BadWindow && win_attr.depth == 32)
+	{
+	   frame = ECreateVisualWindow(VRoot.win, -10, -10, 1, 1, 1, &win_attr);
+	   require_argb = 1;
+	}
+      else
+	 frame = ECreateWindow(VRoot.win, -10, -10, 1, 1, 1);
+   }
+
    ewin->o.stacked = -1;	/* Not placed on desk yet */
    EobjInit(&ewin->o, EOBJ_TYPE_EWIN, frame, -10, -10, -1, -1, NULL);
    EoSetDesk(ewin, DesksGetCurrent());
@@ -115,7 +129,11 @@ EwinCreate(Window win, int type)
    EoSetShadow(ewin, 1);
    EobjListFocusAdd(&ewin->o, 0);
 
-   ewin->win_container = ECreateWindow(EoGetWin(ewin), 0, 0, 1, 1, 0);
+   if (require_argb)
+      ewin->win_container =
+	 ECreateVisualWindow(EoGetWin(ewin), 0, 0, 1, 1, 0, &win_attr);
+   else
+      ewin->win_container = ECreateWindow(EoGetWin(ewin), 0, 0, 1, 1, 0);
    att.event_mask = EWIN_CONTAINER_EVENT_MASK;
    att.do_not_propagate_mask = ButtonPressMask | ButtonReleaseMask;
    EChangeWindowAttributes(ewin->win_container,
diff --git a/src/x.c b/src/x.c
index 9bb794bd..9227dcc3 100644
--- a/src/x.c
+++ b/src/x.c
@@ -266,7 +266,36 @@ ECreateWindow(Window parent, int x, int y, int w, int h, int saveunder)
    else
       attr.save_under = False;
    win = XCreateWindow(disp, parent, x, y, w, h, 0,
-		       CopyFromParent, InputOutput, CopyFromParent,
+		       VRoot.depth, InputOutput, VRoot.vis,
+		       CWOverrideRedirect | CWSaveUnder | CWBackingStore |
+		       CWColormap | CWBackPixmap | CWBorderPixel, &attr);
+   EXidSet(win, parent, x, y, w, h, VRoot.depth);
+
+   return win;
+}
+
+/* Creates a window, but takes the visual, depth and the colormap from c_attr. */
+Window
+ECreateVisualWindow(Window parent, int x, int y, int w, int h, int saveunder,
+		    XWindowAttributes * c_attr)
+{
+   Window              win;
+   XSetWindowAttributes attr;
+
+   attr.backing_store = NotUseful;
+   attr.override_redirect = True;
+   attr.border_pixel = 0;
+   attr.colormap = c_attr->colormap;
+/*   attr.background_pixel = 0; */
+   attr.background_pixmap = None;
+   if ((saveunder == 1) && (Conf.save_under))
+      attr.save_under = True;
+   else if (saveunder == 2)
+      attr.save_under = True;
+   else
+      attr.save_under = False;
+   win = XCreateWindow(disp, parent, x, y, w, h, 0,
+		       c_attr->depth, InputOutput, c_attr->visual,
 		       CWOverrideRedirect | CWSaveUnder | CWBackingStore |
 		       CWColormap | CWBackPixmap | CWBorderPixel, &attr);
    EXidSet(win, parent, x, y, w, h, VRoot.depth);