twin: remove "Apply translucency only to decoration" option

The option has been broken for more than a decade (since replacement of
kompmgr with compton-tde) and it is nontrivial to fix it.

Closes: https://mirror.git.trinitydesktop.org/gitea/TDE/tdebase/issues/706
Signed-off-by: Alexander Golubev <fatzer2@gmail.com>
(cherry picked from commit 9a43bf37b9)

twin/client.cpp

@@ -328,9 +328,6 @@ void Client::updateDecoration( bool check_workspace_pos, bool force )
         XReparentWindow( tqt_xdisplay(), decoration->widget()->winId(), frameId(), 0, 0 );
         decoration->widget()->lower();
         decoration->borders( border_left, border_right, border_top, border_bottom );
-        options->onlyDecoTranslucent ?
-            setDecoHashProperty(border_top, border_right, border_bottom, border_left):
-            unsetDecoHashProperty();
         int save_workarea_diff_x = workarea_diff_x;
         int save_workarea_diff_y = workarea_diff_y;
         move( calculateGravitation( false ));
@@ -387,9 +384,6 @@ void Client::checkBorderSizes()
         border_right != new_right ||
         border_top != new_top ||
         border_bottom != new_bottom)
-    options->onlyDecoTranslucent ?
-       setDecoHashProperty(new_top, new_right, new_bottom, new_left):
-       unsetDecoHashProperty();
     move( calculateGravitation( false ));
     plainResize( sizeForClientSize( clientSize()), ForceGeometrySet );
     checkWorkspacePosition();
@@ -2991,20 +2985,6 @@ bool Client::touches(const Client* c)
     return false;
     }
 
-void Client::setDecoHashProperty(uint topHeight, uint rightWidth, uint bottomHeight, uint leftWidth)
-{
-   long data = (topHeight < 255 ? topHeight : 255) << 24 |
-               (rightWidth < 255 ? rightWidth : 255) << 16 |
-               (bottomHeight < 255 ? bottomHeight : 255) << 8 |
-               (leftWidth < 255 ? leftWidth : 255);
-    XChangeProperty(tqt_xdisplay(), frameId(), atoms->net_wm_window_decohash, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &data, 1L);
-}
-
-void Client::unsetDecoHashProperty()
-{
-   XDeleteProperty( tqt_xdisplay(), frameId(), atoms->net_wm_window_decohash);
-}
-
 #ifndef NDEBUG
 kdbgstream& operator<<( kdbgstream& stream, const Client* cl )
     {

twin/client.h

@@ -462,8 +462,6 @@ class Client : public TQObject, public KDecorationDefines
         void ungrabButton( int mod );
         void resetMaximize();
         void resizeDecoration( const TQSize& s );
-        void setDecoHashProperty(uint topHeight, uint rightWidth, uint bottomHeight, uint leftWidth);
-        void unsetDecoHashProperty();
 
         void pingWindow();
         void killProcess( bool ask, Time timestamp = CurrentTime );

twin/kcmtwin/twinoptions/windows.cpp

@@ -1460,11 +1460,6 @@ KTranslucencyConfig::KTranslucencyConfig (bool _standAlone, TDEConfig *_config,
   TQVBoxLayout *vLay = new TQVBoxLayout (tGroup,KDialog::marginHint(), KDialog::spacingHint());
   vLay->addSpacing(11); // to get the proper gb top offset
 
-  onlyDecoTranslucent = new TQCheckBox(i18n("Apply translucency only to decoration"),tGroup);
-  vLay->addWidget(onlyDecoTranslucent);
-
-  vLay->addSpacing(11);
-
   TQGridLayout *gLay = new TQGridLayout(vLay,4,2,KDialog::spacingHint());
   gLay->setColStretch(1,1);
 
@@ -1648,7 +1643,6 @@ KTranslucencyConfig::KTranslucencyConfig (bool _standAlone, TDEConfig *_config,
   connect(dockWindowTransparency, TQ_SIGNAL(toggled(bool)), dockWindowOpacity, TQ_SLOT(setEnabled(bool)));
 
   connect(useTranslucency, TQ_SIGNAL(toggled(bool)), TQ_SLOT(changed()));
-  connect(onlyDecoTranslucent, TQ_SIGNAL(toggled(bool)), TQ_SLOT(changed()));
   connect(activeWindowTransparency, TQ_SIGNAL(toggled(bool)), TQ_SLOT(changed()));
   connect(inactiveWindowTransparency, TQ_SIGNAL(toggled(bool)), TQ_SLOT(changed()));
   connect(movingWindowTransparency, TQ_SIGNAL(toggled(bool)), TQ_SLOT(changed()));
@@ -1757,7 +1751,6 @@ void KTranslucencyConfig::load( void )
   removeShadowsOnResize->setChecked(config->readBoolEntry("RemoveShadowsOnResize",false));
   dockWindowTransparency->setChecked(config->readBoolEntry("TranslucentDocks",false));
   keepAboveAsActive->setChecked(config->readBoolEntry("TreatKeepAboveAsActive",true));
-  onlyDecoTranslucent->setChecked(config->readBoolEntry("OnlyDecoTranslucent",false));
 
   activeWindowOpacity->setValue(config->readNumEntry("ActiveWindowOpacity",100));
   inactiveWindowOpacity->setValue(config->readNumEntry("InactiveWindowOpacity",75));
@@ -1849,7 +1842,6 @@ void KTranslucencyConfig::save( void )
 
   config->writeEntry("RemoveShadowsOnMove",removeShadowsOnMove->isChecked());
   config->writeEntry("RemoveShadowsOnResize",removeShadowsOnResize->isChecked());
-  config->writeEntry("OnlyDecoTranslucent", onlyDecoTranslucent->isChecked());
   config->writeEntry("ResetKompmgr",resetKompmgr_);
 
   TDEConfig *conf_ = new TDEConfig(TQDir::homeDirPath() + "/.xcompmgrrc");
@@ -1981,7 +1973,6 @@ void KTranslucencyConfig::defaults()
     if (!kompmgrAvailable_)
         return;
   useTranslucency->setChecked(false);
-  onlyDecoTranslucent->setChecked(false);
   activeWindowTransparency->setChecked(false);
   inactiveWindowTransparency->setChecked(false);
   movingWindowTransparency->setChecked(false);

twin/kcmtwin/twinoptions/windows.h

@@ -304,7 +304,6 @@ private:
   TQCheckBox *removeShadowsOnResize;
   TQCheckBox *removeShadowsOnMove;
   TQGroupBox *sGroup;
-  TQCheckBox *onlyDecoTranslucent;
 //   TQPushButton *xcompmgrButton;
   KIntNumInput *activeWindowOpacity;
   KIntNumInput *inactiveWindowOpacity;

twin/options.cpp

@@ -202,7 +202,6 @@ unsigned long Options::updateSettings()
     menuShadowSize = config->readNumEntry("MenuShadowSize", 1*100);
     removeShadowsOnMove = config->readBoolEntry("RemoveShadowsOnMove", false);
     removeShadowsOnResize = config->readBoolEntry("RemoveShadowsOnResize", false);
-    onlyDecoTranslucent = config->readBoolEntry("OnlyDecoTranslucent",false);
     resetKompmgr = config->readBoolEntry("ResetKompmgr", false);
     if (resetKompmgr)
         config->writeEntry("ResetKompmgr",false);

twin/options.h

@@ -361,7 +361,7 @@ class Options : public KDecorationOptions
         uint inactiveWindowShadowSize;
         uint dockShadowSize;
         uint menuShadowSize;
-        bool onlyDecoTranslucent;
+        bool onlyDecoTranslucent; //< not used; keep for binary compatibility
         bool resetKompmgr;
         bool tabboxOutline;