Add new _KDE_WM_MODAL_SYS_NOTIFICATION atom to disable menu/close/on-all-desktops buttons

Improve the appearance of the TDE logout sequence using the new atom


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1252231 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

6 files changed, 68 insertions, 19 deletions

diff --git a/kwin/atoms.cpp b/kwin/atoms.cpp
index 8b838fdec..165a9e72c 100644
--- a/kwin/atoms.cpp
+++ b/kwin/atoms.cpp
@@ -81,6 +81,9 @@ Atoms::Atoms()
     
     atoms[n] = &net_wm_window_decohash;
     names[n++] = (char*) "_KDE_WM_WINDOW_DECOHASH";
+    
+    atoms[n] = &net_wm_system_modal_notification;
+    names[n++] = (char*) "_KDE_WM_MODAL_SYS_NOTIFICATION";
         
     Atom fake;
     atoms[n] = &fake;
diff --git a/kwin/atoms.h b/kwin/atoms.h
index caed47b79..ca9e063af 100644
--- a/kwin/atoms.h
+++ b/kwin/atoms.h
@@ -42,6 +42,7 @@ class Atoms
         Atom net_wm_window_shade;
         Atom net_wm_window_shapable;
         Atom net_wm_window_decohash;
+        Atom net_wm_system_modal_notification;
         Atom xdnd_aware;
         Atom xdnd_position;
         Atom net_frame_extents;
diff --git a/kwin/client.cpp b/kwin/client.cpp
index 3205b9ec7..114300821 100644
--- a/kwin/client.cpp
+++ b/kwin/client.cpp
@@ -499,6 +499,20 @@ void Client::setUserNoBorder( bool set )
     updateWindowRules();
     }
 
+bool Client::isModalSystemNotification() const
+    {
+    unsigned char *data = 0;
+    Atom actual;
+    int format, result;
+    unsigned long n, left;
+    result = XGetWindowProperty(qt_xdisplay(), window(), atoms->net_wm_system_modal_notification, 0L, 1L, False, XA_CARDINAL, &actual, &format, &n, &left, /*(unsigned char **)*/ &data);
+    if (result == Success && data != None && format == 32 )
+        {
+        return TRUE;
+        }
+    return FALSE;
+    }
+
 void Client::updateShape()
     {
     // workaround for #19644 - tqshaped windows shouldn't have decoration
@@ -603,6 +617,8 @@ bool Client::isMinimizable() const
     {
     if( isSpecialWindow())
         return false;
+    if( isModalSystemNotification())
+        return false;
     if( isTransient())
         { // #66868 - let other xmms windows be minimized when the mainwindow is minimized
         bool shown_mainwindow = false;
@@ -799,6 +815,8 @@ void Client::setShade( ShadeMode mode )
     {
     if( !isShadeable())
         return;
+    if( isModalSystemNotification())
+        return;
     mode = rules()->checkShade( mode );
     if( shade_mode == mode )
         return;
@@ -1674,6 +1692,8 @@ void Client::sendClientMessage(Window w, Atom a, Atom protocol, long data1, long
  */
 bool Client::isCloseable() const
     {
+    if( isModalSystemNotification())
+        return false;
     return rules()->checkCloseable( motif_may_close && !isSpecialWindow());
     }
 
diff --git a/kwin/client.h b/kwin/client.h
index 4a4ed7025..9ee08efe5 100644
--- a/kwin/client.h
+++ b/kwin/client.h
@@ -57,6 +57,7 @@ class Client : public TQObject, public KDecorationDefines
         const Client* transientFor() const;
         Client* transientFor();
         bool isTransient() const;
+        bool isModalSystemNotification() const;
         bool groupTransient() const;
         bool wasOriginallyGroupTransient() const;
         ClientList mainClients() const; // call once before loop , is not indirect
diff --git a/kwin/lib/kcommondecoration.cpp b/kwin/lib/kcommondecoration.cpp
index d3d43ce12..4a667c7b4 100644
--- a/kwin/lib/kcommondecoration.cpp
+++ b/kwin/lib/kcommondecoration.cpp
@@ -35,6 +35,9 @@
 #include <kdecorationfactory.h>
 #include <klocale.h>
 
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
 #include "kcommondecoration.h"
 #include "kcommondecoration.moc"
 
@@ -318,6 +321,22 @@ int KCommonDecoration::buttonContainerWidth(const ButtonContainer &btnContainer,
     return w;
 }
 
+bool KCommonDecoration::isModalSystemNotification()
+{
+    unsigned char *data = 0;
+    Atom actual;
+    int format, result;
+    unsigned long n, left;
+    Atom kde_wm_system_modal_notification;
+    kde_wm_system_modal_notification = XInternAtom(qt_xdisplay(), "_KDE_WM_MODAL_SYS_NOTIFICATION", False);
+    result = XGetWindowProperty(qt_xdisplay(), windowId(), kde_wm_system_modal_notification, 0L, 1L, False, XA_CARDINAL, &actual, &format, &n, &left, /*(unsigned char **)*/ &data);
+    if (result == Success && data != None && format == 32 )
+        {
+        return TRUE;
+        }
+    return FALSE;
+}
+
 void KCommonDecoration::addButtons(ButtonContainer &btnContainer, const TQString& s, bool isLeft)
 {
     if (s.length() > 0) {
@@ -325,28 +344,32 @@ void KCommonDecoration::addButtons(ButtonContainer &btnContainer, const TQString
             KCommonDecorationButton *btn = 0;
             switch (s[n]) {
               case 'M': // Menu button
-                  if (!m_button[MenuButton]){
-                      btn = createButton(MenuButton);
-                      if (!btn) break;
-                      btn->setTipText(i18n("Menu") );
-                      btn->setRealizeButtons(Qt::LeftButton|Qt::RightButton);
-                      connect(btn, TQT_SIGNAL(pressed()), TQT_SLOT(menuButtonPressed()));
-                      connect(btn, TQT_SIGNAL(released()), this, TQT_SLOT(menuButtonReleased()));
-
-                      m_button[MenuButton] = btn;
+                  if (!isModalSystemNotification()) {
+                      if (!m_button[MenuButton]){
+                          btn = createButton(MenuButton);
+                          if (!btn) break;
+                          btn->setTipText(i18n("Menu") );
+                          btn->setRealizeButtons(Qt::LeftButton|Qt::RightButton);
+                          connect(btn, TQT_SIGNAL(pressed()), TQT_SLOT(menuButtonPressed()));
+                          connect(btn, TQT_SIGNAL(released()), this, TQT_SLOT(menuButtonReleased()));
+
+                          m_button[MenuButton] = btn;
+                      }
                   }
                   break;
               case 'S': // OnAllDesktops button
-                  if (!m_button[OnAllDesktopsButton]){
-                      btn = createButton(OnAllDesktopsButton);
-                      if (!btn) break;
-                      const bool oad = isOnAllDesktops();
-                      btn->setTipText(oad?i18n("Not on all desktops"):i18n("On all desktops") );
-                      btn->setToggleButton(true);
-                      btn->setOn( oad );
-                      connect(btn, TQT_SIGNAL(clicked()), TQT_SLOT(toggleOnAllDesktops()));
-
-                      m_button[OnAllDesktopsButton] = btn;
+                  if (!isModalSystemNotification()) {
+                      if (!m_button[OnAllDesktopsButton]){
+                          btn = createButton(OnAllDesktopsButton);
+                          if (!btn) break;
+                          const bool oad = isOnAllDesktops();
+                          btn->setTipText(oad?i18n("Not on all desktops"):i18n("On all desktops") );
+                          btn->setToggleButton(true);
+                          btn->setOn( oad );
+                          connect(btn, TQT_SIGNAL(clicked()), TQT_SLOT(toggleOnAllDesktops()));
+
+                          m_button[OnAllDesktopsButton] = btn;
+                      }
                   }
                   break;
               case 'H': // Help button
diff --git a/kwin/lib/kcommondecoration.h b/kwin/lib/kcommondecoration.h
index 8126445ad..93427b248 100644
--- a/kwin/lib/kcommondecoration.h
+++ b/kwin/lib/kcommondecoration.h
@@ -266,6 +266,7 @@ class KWIN_EXPORT KCommonDecoration : public KDecoration
 
         typedef TQValueVector <KCommonDecorationButton*> ButtonContainer; ///< If the entry is 0, it's a spacer.
         int buttonContainerWidth(const ButtonContainer &btnContainer, bool countHidden = false) const;
+        bool isModalSystemNotification();
         void addButtons(ButtonContainer &btnContainer, const TQString& buttons, bool isLeft);
 
         KCommonDecorationButton *m_button[NumButtons];