Make window caption presentation configurable and turned off by default.

svn path=/trunk/KDE/kdebase/workspace/; revision=791193

effects/presentwindows.cpp

@@ -64,6 +64,7 @@ PresentWindowsEffect::PresentWindowsEffect()
 
     borderActivate = (ElectricBorder)conf.readEntry("BorderActivate", (int)ElectricNone);
     borderActivateAll = (ElectricBorder)conf.readEntry("BorderActivateAll", (int)ElectricTopLeft);
+    drawWindowCaptions = conf.readEntry("DrawWindowCaptions", false);
 
     effects->reserveElectricBorder( borderActivate );
     effects->reserveElectricBorder( borderActivateAll );
@@ -84,7 +85,7 @@ PresentWindowsEffect::~PresentWindowsEffect()
 void PresentWindowsEffect::prePaintScreen( ScreenPrePaintData& data, int time )
     {
     // How long does it take for the effect to get it's full strength (in ms)
-    const double changeTime = 300;
+    const double changeTime = 125;
     if(mActivated)
         {
         mActiveness = qMin(1.0, mActiveness + time/changeTime);
@@ -122,7 +123,7 @@ void PresentWindowsEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData&
                 data.setTranslucent();
             // Change window's highlight
             WindowData& windata = mWindowData[w];
-            const double highlightchangetime = 200;
+            const double highlightchangetime = 100;
             if( w == mHighlightedWindow )
                 windata.highlight = qMin(1.0, windata.highlight + time / highlightchangetime);
             else
@@ -205,18 +206,21 @@ void PresentWindowsEffect::paintWindow( EffectWindow* w, int mask, QRegion regio
         const WindowData& windata = mWindowData[w];
         paintWindowIcon( w, data );
 
-        QString text = w->caption();
+        if (drawWindowCaptions)
-        double centerx = w->x() + data.xTranslate + w->width() * data.xScale * 0.5f;
+            {
-        double centery = w->y() + data.yTranslate + w->height() * data.yScale * 0.5f;
+            QString text = w->caption();
-        int maxwidth = (int)(w->width() * data.xScale - 20);
+            double centerx = w->x() + data.xTranslate + w->width() * data.xScale * 0.5f;
-        double opacity = (0.7 + 0.2*windata.highlight) * data.opacity * mActiveness;
+            double centery = w->y() + data.yTranslate + w->height() * data.yScale * 0.5f;
-        QColor textcolor( 255, 255, 255, (int)(255*opacity) );
+            int maxwidth = (int)(w->width() * data.xScale - 20);
-        QColor bgcolor( 0, 0, 0, (int)(255*opacity) );
+            double opacity = (0.7 + 0.2*windata.highlight) * data.opacity * mActiveness;
-        QFont f;
+            QColor textcolor( 255, 255, 255, (int)(255*opacity) );
-        f.setBold( true );
+            QColor bgcolor( 0, 0, 0, (int)(255*opacity) );
-        f.setPointSize( 12 );
+            QFont f;
-        effects->paintTextWithBackground( text, QPoint( (int)centerx, (int)centery ), maxwidth,
+            f.setBold( true );
-                                        textcolor, bgcolor, f);
+            f.setPointSize( 12 );
+            effects->paintTextWithBackground( text, QPoint( (int)centerx, (int)centery ), maxwidth,
+                                            textcolor, bgcolor, f);
+            }
         }
     }
 

effects/presentwindows.h

@@ -137,6 +137,7 @@ class PresentWindowsEffect
 
         ElectricBorder borderActivate;
         ElectricBorder borderActivateAll;
+        bool drawWindowCaptions;
 
 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
         XRenderPictFormat* alphaFormat;

effects/presentwindows_config.cpp

@@ -34,6 +34,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QGridLayout>
 #include <QLabel>
 #include <QComboBox>
+#include <QCheckBox>
 
 KWIN_EFFECT_CONFIG_FACTORY
 
@@ -47,23 +48,27 @@ PresentWindowsEffectConfig::PresentWindowsEffectConfig(QWidget* parent, const QV
 
     QGridLayout* layout = new QGridLayout(this);
 
-    layout->addWidget(new QLabel(i18n("Activate when cursor is at a specific edge "
+    mDrawWindowText = new QCheckBox(i18n("Draw window caption on top of window."), this);
-            "or corner of the screen:"), this), 0, 0, 1, 3);
+    connect(mDrawWindowText, SIGNAL(stateChanged(int)), this, SLOT(changed()));
-    layout->addItem(new QSpacerItem(20, 20, QSizePolicy::Fixed), 1, 0, 2, 1);
+    layout->addWidget(mDrawWindowText, 0, 0);
 
-    layout->addWidget(new QLabel(i18n("for windows on current desktop: "), this), 1, 1);
+    layout->addWidget(new QLabel(i18n("Activate when cursor is at a specific edge "
+            "or corner of the screen:"), this), 1, 0, 1, 3);
+    layout->addItem(new QSpacerItem(20, 20, QSizePolicy::Fixed), 2, 0, 2, 1);
+
+    layout->addWidget(new QLabel(i18n("for windows on current desktop: "), this), 2, 1);
     mActivateCombo = new QComboBox;
     addItems(mActivateCombo);
     connect(mActivateCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(changed()));
-    layout->addWidget(mActivateCombo, 1, 2);
+    layout->addWidget(mActivateCombo, 2, 2);
 
-    layout->addWidget(new QLabel(i18n("for windows on all desktops: "), this), 2, 1);
+    layout->addWidget(new QLabel(i18n("for windows on all desktops: "), this), 3, 1);
     mActivateAllCombo = new QComboBox;
     addItems(mActivateAllCombo);
     connect(mActivateAllCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(changed()));
-    layout->addWidget(mActivateAllCombo, 2, 2);
+    layout->addWidget(mActivateAllCombo, 3, 2);
 
-    layout->addItem(new QSpacerItem(10, 10, QSizePolicy::Fixed, QSizePolicy::Expanding), 3, 0, 1, 3);
+    layout->addItem(new QSpacerItem(10, 10, QSizePolicy::Fixed, QSizePolicy::Expanding), 4, 0, 1, 3);
 
     // Shortcut config
     KGlobalAccel::self()->overrideMainComponentData(componentData());
@@ -77,9 +82,9 @@ PresentWindowsEffectConfig::PresentWindowsEffectConfig(QWidget* parent, const QV
     mShortcutEditor = new KShortcutsEditor(actionCollection, this,
             KShortcutsEditor::GlobalAction, KShortcutsEditor::LetterShortcutsDisallowed);
     connect(mShortcutEditor, SIGNAL(keyChange()), this, SLOT(changed()));
-    layout->addWidget(mShortcutEditor, 4, 0, 1, 3);
+    layout->addWidget(mShortcutEditor, 5, 0, 1, 3);
 
-    layout->addItem(new QSpacerItem(10, 10, QSizePolicy::Minimum, QSizePolicy::Expanding), 5, 0, 1, 3);
+    layout->addItem(new QSpacerItem(10, 10, QSizePolicy::Minimum, QSizePolicy::Expanding), 6, 0, 1, 3);
 
 
     load();
@@ -119,6 +124,9 @@ void PresentWindowsEffectConfig::load()
         activateAllBorder--;
     mActivateAllCombo->setCurrentIndex(activateAllBorder);
 
+    bool drawWindowCaptions = conf.readEntry("DrawWindowCaptions", false);
+    mDrawWindowText->setChecked(drawWindowCaptions);
+
     emit changed(false);
     }
 
@@ -139,6 +147,9 @@ void PresentWindowsEffectConfig::save()
         activateAllBorder = (int)ElectricNone;
     conf.writeEntry("BorderActivateAll", activateAllBorder);
 
+    bool drawWindowCaptions = mDrawWindowText->isChecked();
+    conf.writeEntry("DrawWindowCaptions", drawWindowCaptions);
+
     conf.sync();
 
     emit changed(false);
@@ -150,6 +161,7 @@ void PresentWindowsEffectConfig::defaults()
     kDebug() ;
     mActivateCombo->setCurrentIndex( (int)ElectricNone - 1 );
     mActivateAllCombo->setCurrentIndex( (int)ElectricTopLeft );
+    mDrawWindowText->setChecked(false);
     mShortcutEditor->allDefault();
     emit changed(true);
     }

effects/presentwindows_config.h

@@ -25,6 +25,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <kcmodule.h>
 #undef KDE3_SUPPORT
 
+class QCheckBox;
 class QComboBox;
 class KShortcutsEditor;
 
@@ -46,6 +47,7 @@ class PresentWindowsEffectConfig : public KCModule
         void addItems(QComboBox* combo);
 
     private:
+        QCheckBox* mDrawWindowText;
         QComboBox* mActivateCombo;
         QComboBox* mActivateAllCombo;
         KShortcutsEditor* mShortcutEditor;