Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 739 insertions, 0 deletions

diff --git a/kwin/clients/modernsystem/modernsys.cpp b/kwin/clients/modernsystem/modernsys.cpp
new file mode 100644
index 000000000..d75816343
--- /dev/null
+++ b/kwin/clients/modernsystem/modernsys.cpp
@@ -0,0 +1,739 @@
+// Daniel M. DULEY <[email protected]>               original work
+// Melchior FRANZ  <[email protected]>   configuration options
+
+#include <kconfig.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <qlayout.h>
+#include <qdrawutil.h>
+#include <kpixmapeffect.h>
+#include <kdrawutil.h>
+#include <qbitmap.h>
+#include <qtooltip.h>
+#include <qapplication.h>
+#include <qlabel.h>
+#include "modernsys.h"
+
+#include "buttondata.h"
+#include "btnhighcolor.h"
+#include <qimage.h>
+
+namespace ModernSystem {
+
+static unsigned char iconify_bits[] = {
+    0x00, 0x00, 0xff, 0xff, 0x7e, 0x3c, 0x18, 0x00};
+
+static unsigned char close_bits[] = {
+    0x00, 0x66, 0x7e, 0x3c, 0x3c, 0x7e, 0x66, 0x00};
+
+static unsigned char maximize_bits[] = {
+    0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0x00, 0x00};
+
+static unsigned char r_minmax_bits[] = {
+    0x0c, 0x18, 0x33, 0x67, 0xcf, 0x9f, 0x3f, 0x3f};
+
+static unsigned char l_minmax_bits[] = {
+    0x30, 0x18, 0xcc, 0xe6, 0xf3, 0xf9, 0xfc, 0xfc};
+
+static unsigned char unsticky_bits[] = {
+    0x3c, 0x42, 0x99, 0xbd, 0xbd, 0x99, 0x42, 0x3c};
+
+static unsigned char sticky_bits[] = {
+    0x3c, 0x42, 0x81, 0x81, 0x81, 0x81, 0x42, 0x3c};
+
+static unsigned char question_bits[] = {
+    0x3c, 0x66, 0x60, 0x30, 0x18, 0x00, 0x18, 0x18};
+
+static unsigned char above_on_bits[] = {
+    0x7e, 0x00, 0x7e, 0x3c, 0x18, 0x00, 0x00, 0x00};
+
+static unsigned char above_off_bits[] = {
+    0x18, 0x3c, 0x7e, 0x00, 0x7e, 0x00, 0x00, 0x00};
+
+static unsigned char below_off_bits[] = {
+    0x00, 0x00, 0x00, 0x7e, 0x00, 0x7e, 0x3c, 0x18};
+
+static unsigned char below_on_bits[] = {
+    0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0x00, 0x7e};
+
+static unsigned char shade_off_bits[] = {
+    0x00, 0x7e, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+static unsigned char shade_on_bits[] = {
+    0x00, 0x7e, 0x7e, 0x42, 0x42, 0x42, 0x7e, 0x00};
+
+static unsigned char menu_bits[] = {
+        0xff, 0x81, 0x81, 0xff, 0x81, 0xff, 0x81, 0xff};
+
+static unsigned char btnhighcolor_mask_bits[] = {
+    0xe0,0x41,0xf8,0x07,0xfc,0x0f,0xfe,0xdf,0xfe,0x1f,0xff,0x3f,0xff,0xff,0xff,
+    0x3f,0xff,0x3f,0xff,0xff,0xff,0xff,0xfe,0x9f,0xfe,0x1f,0xfc,0x0f,0xf0,0x03,
+    0x00,0x40,0x80,0x00,0x00,0x00,0x39,0x00,0x00,0x00,0x20,0x99,0x0f,0x08,0xc4,
+    0x00,0x00,0x00,0x67,0x00,0x00,0x00,0x58,0x5f,0x43,0x68,0x61,0x6e,0x67,0x65 };
+
+static KPixmap *aUpperGradient=0;
+static KPixmap *iUpperGradient=0;
+static QPixmap *buttonPix=0;
+static QPixmap *buttonPixDown=0;
+static QPixmap *iButtonPix=0;
+static QPixmap *iButtonPixDown=0;
+
+static QColor *buttonFg;
+static bool pixmaps_created = false;
+
+static QBitmap *lcDark1;
+static QBitmap *lcDark2;
+static QBitmap *lcDark3;
+static QBitmap *lcLight1;
+static QImage *btnSource;
+
+static bool show_handle;
+static int handle_size;
+static int handle_width;
+static int border_width;
+static int title_height;
+
+static inline const KDecorationOptions* options()
+{
+    return KDecoration::options();
+}
+
+static void make_button_fx(const QColorGroup &g, QPixmap *pix, bool light=false)
+{
+    pix->fill(g.background());
+    QPainter p(pix);
+
+    if(QPixmap::defaultDepth() > 8){
+        int i, destH, destS, destV, srcH, srcS, srcV;
+        QColor btnColor = g.background();
+
+        if(btnSource->depth() < 32)
+            *btnSource = btnSource->convertDepth(32);
+        if(light)
+            btnColor = btnColor.light(120);
+        btnColor.hsv(&destH, &destS, &destV);
+        QImage btnDest(14, 15, 32);
+
+        unsigned int *srcData = (unsigned int *)btnSource->bits();
+        unsigned int *destData = (unsigned int *)btnDest.bits();
+        QColor srcColor;
+        for(i=0; i < btnSource->width()*btnSource->height(); ++i){
+            srcColor.setRgb(srcData[i]);
+            srcColor.hsv(&srcH, &srcS, &srcV);
+            srcColor.setHsv(destH, destS, srcV);
+            destData[i] = srcColor.rgb();
+        }
+        pix->convertFromImage(btnDest);
+
+    }
+    else{
+        if(!lcDark1->mask()){
+            lcDark1->setMask(*lcDark1);
+            lcDark2->setMask(*lcDark2);
+            lcDark3->setMask(*lcDark3);
+            lcLight1->setMask(*lcLight1);
+        }
+        p.setPen(g.dark());
+        p.drawPixmap(0, 0, *lcDark2);
+        p.drawPixmap(0, 0, *lcDark1);
+        p.setPen(g.mid());
+        p.drawPixmap(0, 0, *lcDark3);
+        p.setPen(g.light());
+        p.drawPixmap(0, 0, *lcLight1);
+    }
+}
+
+
+static void create_pixmaps()
+{
+    if(pixmaps_created)
+        return;
+    pixmaps_created = true;
+
+    lcDark1 = new QBitmap(14, 15, lowcolor_6a696a_bits, true);
+    lcDark2 = new QBitmap(14, 15, lowcolor_949194_bits, true);
+    lcDark3 = new QBitmap(14, 15, lowcolor_b4b6b4_bits, true);
+    lcLight1 = new QBitmap(14, 15, lowcolor_e6e6e6_bits, true);
+    btnSource = new QImage(btnhighcolor_xpm);
+
+    if(QPixmap::defaultDepth() > 8){
+        aUpperGradient = new KPixmap;
+        aUpperGradient->resize(32, title_height+2);
+        iUpperGradient = new KPixmap;
+        iUpperGradient->resize(32, title_height+2);
+        KPixmapEffect::gradient(*aUpperGradient,
+                                options()->color(KDecoration::ColorTitleBar, true).light(130),
+                                options()->color(KDecoration::ColorTitleBlend, true),
+                                KPixmapEffect::VerticalGradient);
+        KPixmapEffect::gradient(*iUpperGradient,
+                                options()->color(KDecoration::ColorTitleBar, false).light(130),
+                                options()->color(KDecoration::ColorTitleBlend, false),
+                                KPixmapEffect::VerticalGradient);
+    }
+    // buttons
+    QColorGroup btnColor(options()->colorGroup(KDecoration::ColorButtonBg, true));
+    buttonPix = new QPixmap(14, 15);
+    make_button_fx(btnColor, buttonPix);
+    buttonPixDown = new QPixmap(14, 15);
+    make_button_fx(btnColor, buttonPixDown, true);
+
+    btnColor = options()->colorGroup(KDecoration::ColorButtonBg, false);
+    iButtonPix = new QPixmap(14, 15);
+    make_button_fx(btnColor, iButtonPix);
+    iButtonPixDown = new QPixmap(14, 15);
+    make_button_fx(btnColor, iButtonPixDown, true);
+
+
+    if(qGray(btnColor.background().rgb()) < 150)
+        buttonFg = new QColor(Qt::white);
+    else
+        buttonFg = new QColor(Qt::black);
+
+    delete lcDark1;
+    delete lcDark2;
+    delete lcDark3;
+    delete lcLight1;
+    delete btnSource;
+}
+
+static void delete_pixmaps()
+{
+    if(aUpperGradient){
+        delete aUpperGradient;
+        delete iUpperGradient;
+    }
+    delete buttonPix;
+    delete buttonPixDown;
+    delete iButtonPix;
+    delete iButtonPixDown;
+
+    delete buttonFg;
+
+    pixmaps_created = false;
+}
+
+void ModernSysFactory::read_config()
+{
+    bool showh;
+    int hsize, hwidth, bwidth, theight;
+
+    KConfig c("kwinmodernsysrc");
+    c.setGroup("General");
+    showh = c.readBoolEntry("ShowHandle", true);
+
+    hwidth = c.readUnsignedNumEntry("HandleWidth", 6);
+    hsize = c.readUnsignedNumEntry("HandleSize", 30);
+    if (!(showh && hsize && hwidth)) {
+        showh = false;
+        hwidth = hsize = 0;
+    }
+
+    switch(options()->preferredBorderSize( this )) {
+      case BorderLarge:
+          bwidth = 8;
+          hwidth = hwidth * 7/5;
+          hsize  = hsize  * 7/5;
+          break;
+      case BorderVeryLarge:
+          bwidth = 12;
+          hwidth = hwidth * 17/10 + 2;
+          hsize  = hsize  * 17/10;
+          break;
+      case BorderHuge:
+          bwidth = 18;
+          hwidth = hwidth * 2 + 6;
+          hsize  = hsize  * 2;
+          break;
+      /*
+      // If we allow these large sizes we need to change the
+      // correlation between the border width and the handle size.
+      case BorderVeryHuge:
+          bwidth = 27;
+          hwidth = hwidth * 5/2 + 15;
+          hsize  = hsize  * 5/2;
+          break;
+      case BorderOversized:
+          bwidth = 40;
+          hwidth = hwidth * 3 + 22;
+          hsize  = hsize  * 3;
+          break;
+      */
+      case BorderNormal:
+      default:
+          bwidth = 4;
+    }
+
+    theight = QFontMetrics(options()->font(true)).height() + 2;
+    if (theight < 16)
+        theight = 16;
+    if (theight < bwidth)
+        theight = bwidth;
+
+    show_handle = showh;
+    handle_width = hwidth;
+    handle_size = hsize;
+    border_width = bwidth;
+    title_height = theight;
+}
+
+QValueList< ModernSysFactory::BorderSize > ModernSysFactory::borderSizes() const
+{ // the list must be sorted
+  return QValueList< BorderSize >() << BorderNormal << BorderLarge <<
+      BorderVeryLarge <<  BorderHuge;
+   // as long as the buttons don't scale don't offer the largest two sizes.
+   //   BorderVeryLarge <<  BorderHuge << BorderVeryHuge << BorderOversized;
+}
+
+ModernButton::ModernButton(ButtonType type, ModernSys *parent, const char *name)
+    : KCommonDecorationButton(type, parent, name)
+{
+    setBackgroundMode( NoBackground );
+
+    QBitmap mask(14, 15, QPixmap::defaultDepth() > 8 ?
+                 btnhighcolor_mask_bits : lowcolor_mask_bits, true);
+    resize(14, 15);
+
+    setMask(mask);
+}
+
+void ModernButton::reset(unsigned long changed)
+{
+    if (changed&DecorationReset || changed&ManualReset || changed&SizeChange || changed&StateChange) {
+        switch (type() ) {
+            case CloseButton:
+                setBitmap(close_bits);
+                break;
+            case HelpButton:
+                setBitmap(question_bits);
+                break;
+            case MinButton:
+                setBitmap(iconify_bits);
+                break;
+            case MaxButton:
+                setBitmap( isOn() ? (isLeft()?l_minmax_bits:r_minmax_bits) : maximize_bits );
+                break;
+            case OnAllDesktopsButton:
+                setBitmap( isOn() ? unsticky_bits : sticky_bits );
+                break;
+            case ShadeButton:
+                setBitmap( isOn() ? shade_on_bits : shade_off_bits );
+                break;
+            case AboveButton:
+                setBitmap( isOn() ? above_on_bits : above_off_bits );
+                break;
+            case BelowButton:
+                setBitmap( isOn() ? below_on_bits : below_off_bits );
+                break;
+            case MenuButton:
+                setBitmap(menu_bits);
+                break;
+            default:
+                setBitmap(0);
+                break;
+        }
+
+        this->update();
+    }
+}
+
+void ModernButton::setBitmap(const unsigned char *bitmap)
+{
+    if (bitmap)
+        deco = QBitmap(8, 8, bitmap, true);
+    else {
+        deco = QBitmap(8,8);
+        deco.fill(Qt::color0);
+    }
+    deco.setMask(deco);
+}
+
+void ModernButton::drawButton(QPainter *p)
+{
+    if(decoration()->isActive()){
+        if(buttonPix)
+            p->drawPixmap(0, 0, isDown() ? *buttonPixDown : *buttonPix);
+    }
+    else{
+        if(iButtonPix)
+            p->drawPixmap(0, 0, isDown() ? *iButtonPixDown : *iButtonPix);
+    }
+    if(!deco.isNull()){
+        p->setPen(*buttonFg);
+        p->drawPixmap(isDown() ? 4 : 3, isDown() ? 5 : 4, deco);
+    }
+}
+
+void ModernSys::reset( unsigned long changed)
+{
+    KCommonDecoration::reset(changed);
+
+    titleBuffer.resize(0, 0);
+    recalcTitleBuffer();
+    resetButtons();
+    widget()->update();
+}
+
+ModernSys::ModernSys( KDecorationBridge* b, KDecorationFactory* f )
+    : KCommonDecoration( b, f )
+{
+}
+
+QString ModernSys::visibleName() const
+{
+    return i18n("Modern System");
+}
+
+QString ModernSys::defaultButtonsLeft() const
+{
+    return "X";
+}
+
+QString ModernSys::defaultButtonsRight() const
+{
+    return "HSIA";
+}
+
+bool ModernSys::decorationBehaviour(DecorationBehaviour behaviour) const
+{
+    switch (behaviour) {
+        case DB_MenuClose:
+            return false;
+
+        case DB_WindowMask:
+            return true;
+
+        case DB_ButtonHide:
+            return true;
+
+        default:
+            return KCommonDecoration::decorationBehaviour(behaviour);
+    }
+}
+
+int ModernSys::layoutMetric(LayoutMetric lm, bool respectWindowState, const KCommonDecorationButton *btn) const
+{
+    // bool maximized = maximizeMode()==MaximizeFull && !options()->moveResizeMaximizedWindows();
+
+    switch (lm) {
+        case LM_BorderLeft:
+            return border_width + (reverse ? handle_width : 0);
+
+        case LM_BorderRight:
+            return border_width + (reverse ? 0 : handle_width);
+
+        case LM_BorderBottom:
+            return border_width + handle_width;
+
+        case LM_TitleEdgeLeft:
+            return layoutMetric(LM_BorderLeft,respectWindowState)+3;
+        case LM_TitleEdgeRight:
+            return layoutMetric(LM_BorderRight,respectWindowState)+3;
+
+        case LM_TitleEdgeTop:
+            return 2;
+
+        case LM_TitleEdgeBottom:
+            return 2;
+
+        case LM_TitleBorderLeft:
+        case LM_TitleBorderRight:
+            return 4;
+
+        case LM_TitleHeight:
+            return title_height;
+
+        case LM_ButtonWidth:
+            return 14;
+        case LM_ButtonHeight:
+            return 15;
+
+        case LM_ButtonSpacing:
+            return 1;
+
+        case LM_ExplicitButtonSpacer:
+            return 3;
+
+        default:
+            return KCommonDecoration::layoutMetric(lm, respectWindowState, btn);
+    }
+}
+
+KCommonDecorationButton *ModernSys::createButton(ButtonType type)
+{
+    switch (type) {
+        case MenuButton:
+            return new ModernButton(MenuButton, this, "menu");
+
+        case OnAllDesktopsButton:
+            return new ModernButton(OnAllDesktopsButton, this, "on_all_desktops");
+
+        case HelpButton:
+            return new ModernButton(HelpButton, this, "help");
+
+        case MinButton:
+            return new ModernButton(MinButton, this, "minimize");
+
+        case MaxButton:
+            return new ModernButton(MaxButton, this, "maximize");
+
+        case CloseButton:
+            return new ModernButton(CloseButton, this, "close");
+
+        case AboveButton:
+            return new ModernButton(AboveButton, this, "above");
+
+        case BelowButton:
+            return new ModernButton(BelowButton, this, "below");
+
+        case ShadeButton:
+            return new ModernButton(ShadeButton, this, "shade");
+
+        default:
+            return 0;
+    }
+}
+
+void ModernSys::init()
+{
+    reverse = QApplication::reverseLayout();
+
+    KCommonDecoration::init();
+
+    recalcTitleBuffer();
+}
+
+void ModernSys::recalcTitleBuffer()
+{
+    if(oldTitle == caption() && width() == titleBuffer.width())
+        return;
+
+    QFontMetrics fm(options()->font(true));
+    titleBuffer.resize(width(), title_height+2);
+    QPainter p;
+    p.begin(&titleBuffer);
+    if(aUpperGradient)
+        p.drawTiledPixmap(0, 0, width(), title_height+2, *aUpperGradient);
+    else
+        p.fillRect(0, 0, width(), title_height+2,
+                   options()->colorGroup(ColorTitleBar, true).
+                   brush(QColorGroup::Button));
+
+    QRect t = titleRect(); // titlebar->geometry();
+    t.setTop( 2 );
+    t.setLeft( t.left() );
+    t.setRight( t.right() - 2 );
+
+    QRegion r(t.x(), 0, t.width(), title_height+2);
+    r -= QRect(t.x()+((t.width()-fm.width(caption()))/2)-4,
+               0, fm.width(caption())+8, title_height+2);
+    p.setClipRegion(r);
+    int i, ly;
+    ly = (title_height % 3 == 0) ? 3 : 4;
+    for(i=0; i < (title_height-2)/3; ++i, ly+=3){
+        p.setPen(options()->color(ColorTitleBar, true).light(150));
+        p.drawLine(0, ly, width()-1, ly);
+        p.setPen(options()->color(ColorTitleBar, true).dark(120));
+        p.drawLine(0, ly+1, width()-1, ly+1);
+    }
+    p.setClipRect(t);
+    p.setPen(options()->color(ColorFont, true));
+    p.setFont(options()->font(true));
+
+    p.drawText(t.x()+((t.width()-fm.width(caption()))/2)-4,
+               0, fm.width(caption())+8, title_height+2, AlignCenter, caption());
+    p.setClipping(false);
+    p.end();
+    oldTitle = caption();
+}
+
+void ModernSys::updateCaption()
+{
+    widget()->update(titleRect() );
+}
+
+void ModernSys::drawRoundFrame(QPainter &p, int x, int y, int w, int h)
+{
+    kDrawRoundButton(&p, x, y, w, h,
+                     options()->colorGroup(ColorFrame, isActive()), false);
+
+}
+
+void ModernSys::paintEvent( QPaintEvent* )
+{
+    // update title buffer...
+    if (oldTitle != caption() || width() != titleBuffer.width() )
+        recalcTitleBuffer();
+
+    int hs = handle_size;
+    int hw = handle_width;
+
+    QPainter p( widget() );
+    QRect t = titleRect(); // titlebar->geometry();
+
+    QBrush fillBrush(widget()->colorGroup().brush(QColorGroup::Background).pixmap() ?
+                     widget()->colorGroup().brush(QColorGroup::Background) :
+                     options()->colorGroup(ColorFrame, isActive()).
+                     brush(QColorGroup::Button));
+
+    p.fillRect(1, title_height+3, width()-2, height()-(title_height+3), fillBrush);
+    p.fillRect(width()-6, 0, width()-1, height(), fillBrush);
+
+    t.setTop( 2 );
+    t.setLeft( t.left() );
+    t.setRight( t.right() - 2 );
+
+    int w = width() - hw; // exclude handle
+    int h = height() - hw;
+
+    // titlebar
+    QColorGroup g = options()->colorGroup(ColorTitleBar, isActive());
+    if(isActive()){
+        p.drawPixmap(1, 1, titleBuffer, 0, 0, w-2, title_height+2);
+    }
+    else{
+        if(iUpperGradient)
+            p.drawTiledPixmap(1, 1, w-2, title_height+2, *iUpperGradient);
+        else
+            p.fillRect(1, 1, w-2, title_height+2, fillBrush);
+        p.setPen(options()->color(ColorFont, isActive()));
+        p.setFont(options()->font(isActive()));
+        p.drawText(t, AlignCenter, caption() );
+    }
+
+    // titlebar highlight
+    p.setPen(g.light());
+    p.drawLine(1, 1, 1, title_height+3);
+    p.drawLine(1, 1, w-3, 1);
+    p.setPen(g.dark());
+    p.drawLine(w-2, 1, w-2, title_height+3);
+    p.drawLine(0, title_height+2, w-2, title_height+2);
+
+    // frame
+    g = options()->colorGroup(ColorFrame, isActive());
+    p.setPen(g.light());
+    p.drawLine(1, title_height+3, 1, h-2);
+    p.setPen(g.dark());
+    p.drawLine(2, h-2, w-2, h-2);
+    p.drawLine(w-2, title_height+3, w-2, h-2);
+    //p.drawPoint(w-3, title_height+3);
+    //p.drawPoint(2, title_height+3);
+
+    qDrawShadePanel(&p, border_width-1, title_height+3, w-2*border_width+2, h-title_height-border_width-2, g, true);
+
+    if (show_handle) {
+        p.setPen(g.dark());
+        p.drawLine(width()-3, height()-hs-1, width()-3, height()-3);
+        p.drawLine(width()-hs-1, height()-3, width()-3, height()-3);
+
+        p.setPen(g.light());
+        p.drawLine(width()-hw, height()-hs-1, width()-hw, height()-hw);
+        p.drawLine(width()-hs-1, height()-hw, width()-hw, height()-hw);
+        p.drawLine(width()-hw, height()-hs-1, width()-4, height()-hs-1);
+        p.drawLine(width()-hs-1, height()-hw, width()-hs-1, height()-4);
+
+        p.setPen(Qt::black);
+        p.drawRect(0, 0, w, h);
+
+        // handle outline
+        p.drawLine(width()-hw, height()-hs, width(), height()-hs);
+        p.drawLine(width()-2, height()-hs, width()-2, height()-2);
+        p.drawLine(width()-hs, height()-2, width()-2, height()-2);
+        p.drawLine(width()-hs, height()-hw, width()-hs, height()-2);
+    } else {
+        p.setPen(Qt::black);
+        p.drawRect(0, 0, w, h);
+    }
+}
+
+void ModernSys::updateWindowShape()
+{
+    int hs = handle_size;
+    int hw = handle_width;
+    QRegion mask;
+    mask += QRect(0, 0, width()-hw, height()-hw);
+    //single points
+    mask -= QRect(0, 0, 1, 1);
+    mask -= QRect(width()-hw-1, 0, 1, 1);
+    mask -= QRect(0, height()-hw-1, 1, 1);
+
+    if (show_handle) {
+        mask += QRect(width()-hs, height()-hs, hs-1, hs-1);
+        mask -= QRect(width()-2, height()-2, 1, 1);
+        mask -= QRect(width()-2, height()-hs, 1, 1);
+        mask -= QRect(width()-hs, height()-2, 1, 1);
+    } else
+        mask -= QRect(width()-1, height()-1, 1, 1);
+
+    setMask(mask);
+}
+
+ModernSysFactory::ModernSysFactory()
+{
+    read_config();
+    create_pixmaps();
+}
+
+ModernSysFactory::~ModernSysFactory()
+{
+    ModernSystem::delete_pixmaps();
+}
+
+KDecoration* ModernSysFactory::createDecoration( KDecorationBridge* b )
+{
+    return(new ModernSys(b, this));
+}
+
+bool ModernSysFactory::reset( unsigned long changed )
+{
+    read_config();
+
+    bool needHardReset = true;
+    if( changed & (SettingColors | SettingBorder | SettingFont) )
+    {
+        delete_pixmaps();
+        create_pixmaps();
+        needHardReset = false;
+    } else if (changed & SettingButtons) {
+        // handled by KCommonDecoration
+        needHardReset = false;
+    }
+
+    if( needHardReset )
+        return true;
+    else
+    {
+        resetDecorations( changed );
+        return false; // no recreating of decorations
+    }
+}
+
+bool ModernSysFactory::supports( Ability ability )
+{
+    switch( ability )
+    {
+        case AbilityAnnounceButtons:
+        case AbilityButtonOnAllDesktops:
+        case AbilityButtonSpacer:
+        case AbilityButtonHelp:
+        case AbilityButtonMinimize:
+        case AbilityButtonMaximize:
+        case AbilityButtonClose:
+        case AbilityButtonAboveOthers:
+        case AbilityButtonBelowOthers:
+        case AbilityButtonShade:
+        case AbilityButtonMenu:
+            return true;
+        default:
+            return false;
+    };
+}
+
+}
+
+// KWin extended plugin interface
+extern "C" KDE_EXPORT KDecorationFactory* create_factory()
+{
+    return new ModernSystem::ModernSysFactory();
+}
+
+// vim:ts=4:sw=4