From f0cdd7519759dbad4ad13fa9a9ff434787436123 Mon Sep 17 00:00:00 2001
From: Preston Brown <pbrown@kde.org>
Date: Fri, 3 Dec 1999 21:08:07 +0000
Subject: [PATCH] implemented desktop cascading and uncluttering.

svn path=/trunk/kdebase/kwin/; revision=35765
---
 atoms.cpp     | 29 ++++++++++++++++-------------
 atoms.h       |  2 ++
 workspace.cpp | 41 +++++++++++++++++++++++++++++++++++++++++
 workspace.h   |  4 ++++
 4 files changed, 63 insertions(+), 13 deletions(-)

diff --git a/atoms.cpp b/atoms.cpp
index 34559f3d61..5bc92c45ee 100644
--- a/atoms.cpp
+++ b/atoms.cpp
@@ -11,45 +11,48 @@ Atoms::Atoms()
     int n = 0;
 
     atoms[n] = &wm_protocols;
-    names[n++] = "WM_PROTOCOLS";
+    names[n++] = (char *) "WM_PROTOCOLS";
 
     atoms[n] = &wm_delete_window;
-    names[n++] = "WM_DELETE_WINDOW";
+    names[n++] = (char *) "WM_DELETE_WINDOW";
 
     atoms[n] = &wm_take_focus;
-    names[n++] = "WM_TAKE_FOCUS";
+    names[n++] = (char *) "WM_TAKE_FOCUS";
 
     atoms[n] = &wm_change_state;
-    names[n++] = "WM_CHANGE_STATE";
+    names[n++] = (char *) "WM_CHANGE_STATE";
 
      // compatibility
     atoms[n] = &kwm_win_icon;
-    names[n++] = "KWM_WIN_ICON";
+    names[n++] = (char *) "KWM_WIN_ICON";
 
      // compatibility
     atoms[n] = &kwm_running;
-    names[n++] = "KWM_RUNNING";
+    names[n++] = (char *) "KWM_RUNNING";
+
+    atoms[n] = &kwm_command;
+    names[n++] = (char *) "KWM_COMMAND";
 
     atoms[n] = &net_number_of_desktops;
-    names[n++] = "_NET_NUMBER_OF_DESKTOPS";
+    names[n++] = (char *) "_NET_NUMBER_OF_DESKTOPS";
 
     atoms[n] = &net_current_desktop;
-    names[n++] = "_NET_CURRENT_DESKTOP";
+    names[n++] = (char *) "_NET_CURRENT_DESKTOP";
 
     atoms[n] = &net_active_window;
-    names[n++] = "_NET_ACTIVE_WINDOW";
+    names[n++] = (char *) "_NET_ACTIVE_WINDOW";
 
     atoms[n] = &net_wm_context_help;
-    names[n++] = "_NET_WM_CONTEXT_HELP";
+    names[n++] = (char *) "_NET_WM_CONTEXT_HELP";
     
     atoms[n] = &net_client_list;
-    names[n++] = "_NET_CLIENT_LIST";
+    names[n++] = (char *) "_NET_CLIENT_LIST";
 
     atoms[n] = &net_client_list_stacking;
-    names[n++] = "_NET_CLIENT_LIST_STACKING";
+    names[n++] = (char *) "_NET_CLIENT_LIST_STACKING";
 
     atoms[n] = &net_kde_docking_windows;
-    names[n++] = "_NET_KDE_DOCKING_WINDOWS";
+    names[n++] = (char *) "_NET_KDE_DOCKING_WINDOWS";
 
     XInternAtoms( qt_xdisplay(), names, n, FALSE, atoms_return );
     for (int i = 0; i < n; i++ )
diff --git a/atoms.h b/atoms.h
index f272f3376b..069d43ff0d 100644
--- a/atoms.h
+++ b/atoms.h
@@ -11,6 +11,7 @@ public:
     Atom wm_take_focus;
     Atom wm_change_state;
     Atom kwm_win_icon; // compatibility
+    Atom kwm_command;  // compatibility
     Atom kwm_running;
 
     Atom net_number_of_desktops;
@@ -21,6 +22,7 @@ public:
     Atom net_wm_context_help;
 
     Atom net_kde_docking_windows;
+
 };
 
 
diff --git a/workspace.cpp b/workspace.cpp
index 89087e6936..02a8d5decd 100644
--- a/workspace.cpp
+++ b/workspace.cpp
@@ -1201,6 +1201,32 @@ void Workspace::cascadePlacement (Client* c, bool re_init) {
     cci[d].pos = QPoint( xp + delta_x,  yp + delta_y );
 }
 
+void Workspace::deskCleanup(CleanupType ct)
+{
+  QValueList<Client *>::Iterator it(clients.fromLast());
+  for (; it != clients.begin(); --it) {
+    QString s;
+    char *name = 0;
+    if ( XFetchName( qt_xdisplay(), (*it)->window(), &name ) && name ) {
+	s = QString::fromLatin1( name );
+	XFree( name );
+    }
+    if (s == "Kicker" ||
+	s == "THE DESKTOP")
+      continue;
+    if((!(*it)->isOnDesktop(currentDesktop())) ||
+       ((*it)->isIconified())                  ||
+       ((*it)->isSticky()) )
+      continue;
+
+    else {
+      if (ct == Cascade)
+	cascadePlacement(*it);
+      else if (ct == Unclutter)
+	smartPlacement(*it);
+    }
+  }
+}
 
 /*!
   Raises the client \a c taking layers, transient windows and window
@@ -1424,6 +1450,21 @@ bool Workspace::clientMessage( XClientMessageEvent msg )
 	return TRUE;
     }
 
+    if (msg.message_type == atoms->kwm_command) {
+      char c[21];
+      int i;
+      for (i=0;i<20;i++)
+	c[i] = msg.data.b[i];
+      c[i] = '\0';
+      QString com = c;
+      if (com == "deskUnclutter") {
+      	deskCleanup(Unclutter);
+      } else if (com == "deskCascade") {
+	deskCleanup(Cascade);
+      }
+      return TRUE;
+    }
+
     return FALSE;
 }
 
diff --git a/workspace.h b/workspace.h
index 486eca9d5b..f03a981f03 100644
--- a/workspace.h
+++ b/workspace.h
@@ -160,6 +160,9 @@ private:
     void smartPlacement(Client* c);
     void cascadePlacement(Client* c, bool re_init = false);
 
+    enum CleanupType { Cascade, Unclutter };
+    void deskCleanup(CleanupType);
+
     void focusToNull();
     Client* desktop_client;
     int current_desktop;
@@ -188,6 +191,7 @@ private:
 
     QValueList<CascadingInfo> cci;
     // -cascading
+    Atom kwm_command;
 };
 
 inline WId Workspace::rootWin() const