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-rw-r--r--kdm/kfrontend/kgapp.cpp120
-rw-r--r--kdm/kfrontend/kgapp.h1
-rw-r--r--kdm/kfrontend/kgreeter.h4
-rw-r--r--kdm/kfrontend/themer/kdmitem.cpp30
-rw-r--r--kdm/kfrontend/themer/kdmpixmap.cpp51
-rw-r--r--kdm/kfrontend/themer/kdmrect.cpp25
-rw-r--r--kdm/kfrontend/themer/kdmthemer.cpp40
-rw-r--r--kdm/kfrontend/themer/kdmthemer.h1
8 files changed, 236 insertions, 36 deletions
diff --git a/kdm/kfrontend/kgapp.cpp b/kdm/kfrontend/kgapp.cpp
index 2e40d07ef..7c158bc42 100644
--- a/kdm/kfrontend/kgapp.cpp
+++ b/kdm/kfrontend/kgapp.cpp
@@ -22,6 +22,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
+#include <config.h>
+
#include "kdm_greet.h"
#include "kdmshutdown.h"
#include "kdmconfig.h"
@@ -52,6 +54,15 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include <X11/keysym.h>
#include <X11/cursorfont.h>
+#ifdef HAVE_XCOMPOSITE
+#include <X11/extensions/Xrender.h>
+#include <X11/extensions/Xcomposite.h>
+#endif
+
+#include <pwd.h>
+
+bool argb_visual_available = false;
+
static int
ignoreXError( Display *dpy ATTR_UNUSED, XErrorEvent *event ATTR_UNUSED )
{
@@ -82,6 +93,20 @@ GreeterApp::GreeterApp()
}
}
+GreeterApp::GreeterApp(Display *dpy) : KApplication(dpy)
+{
+ pingInterval = _isLocal ? 0 : _pingInterval;
+ if (pingInterval) {
+ struct sigaction sa;
+ sigemptyset( &sa.sa_mask );
+ sa.sa_flags = 0;
+ sa.sa_handler = sigAlarm;
+ sigaction( SIGALRM, &sa, 0 );
+ alarm( pingInterval * 70 ); // sic! give the "proper" pinger enough time
+ startTimer( pingInterval * 60000 );
+ }
+}
+
void
GreeterApp::timerEvent( TQTimerEvent * )
{
@@ -145,13 +170,65 @@ kg_main( const char *argv0 )
kde_have_kipc = false;
KApplication::disableAutoDcopRegistration();
KCrash::setSafer( true );
- GreeterApp app;
+
+#ifdef HAVE_XCOMPOSITE
+ // Begin ARGB initialization
+ XSetErrorHandler( ignoreXError );
+ argb_visual_available = false;
+ char *display = 0;
+
+ Display *dpyi = XOpenDisplay( display );
+ if ( !dpyi ) {
+ kdError() << "cannot connect to X server " << display << endl;
+ exit( 1 );
+ }
+
+ int screen = DefaultScreen( dpyi );
+ Colormap colormap = 0;
+ Visual *visual = 0;
+ int event_base, error_base;
+
+ if ( XRenderQueryExtension( dpyi, &event_base, &error_base ) ) {
+ int nvi;
+ XVisualInfo templ;
+ templ.screen = screen;
+ templ.depth = 32;
+ templ.c_class = TrueColor;
+ XVisualInfo *xvi = XGetVisualInfo( dpyi, VisualScreenMask | VisualDepthMask
+ | VisualClassMask, &templ, &nvi );
+
+ for ( int i = 0; i < nvi; i++ ) {
+ XRenderPictFormat *format = XRenderFindVisualFormat( dpyi, xvi[i].visual );
+ if ( format->type == PictTypeDirect && format->direct.alphaMask ) {
+ visual = xvi[i].visual;
+ colormap = XCreateColormap( dpyi, RootWindow( dpyi, screen ), visual, AllocNone );
+ kdDebug() << "found visual with alpha support" << endl;
+ argb_visual_available = true;
+ break;
+ }
+ }
+ }
+ XSetErrorHandler( (XErrorHandler)0 );
+
+ GreeterApp *app;
+ if( argb_visual_available ) {
+ app = new GreeterApp(dpyi);
+ }
+ else {
+ app = new GreeterApp();
+ }
+ // End ARGB initialization
+#else
+ GreeterApp *app = new GreeterApp();
+#endif
+
XSetIOErrorHandler( xIOErr );
+ TQString login_user;
Display *dpy = qt_xdisplay();
if (!_GUIStyle.isEmpty())
- app.setStyle( _GUIStyle );
+ app->setStyle( _GUIStyle );
// Load up the systemwide ICC profile
TQString iccConfigFile = TQString(KDE_CONFDIR);
@@ -168,14 +245,15 @@ kg_main( const char *argv0 )
if (!_colorScheme.isEmpty()) {
KSimpleConfig config( _colorScheme, true );
config.setGroup( "Color Scheme" );
- app.setPalette( app.createApplicationPalette( &config, 7 ) );
+ app->setPalette( app->createApplicationPalette( &config, 7 ) );
}
- app.setFont( _normalFont );
+ app->setFont( _normalFont );
setup_modifiers( dpy, _numLockStatus );
SecureDisplay( dpy );
KProcess *proc = 0;
+ KProcess *comp = 0;
if (!_grabServer) {
if (_useBackground) {
proc = new KProcess;
@@ -187,10 +265,16 @@ kg_main( const char *argv0 )
GRecvInt();
}
+ if (!_compositor.isEmpty()) {
+ comp = new KProcess;
+ *comp << TQCString( argv0, strrchr( argv0, '/' ) - argv0 + 2 ) + _compositor.ascii();
+ comp->start(KProcess::NotifyOnExit, KProcess::Stdin);
+ }
+
GSendInt( G_Ready );
kdDebug() << timestamp() << " main1" << endl;
- setCursor( dpy, app.desktop()->winId(), XC_left_ptr );
+ setCursor( dpy, app->desktop()->winId(), XC_left_ptr );
for (;;) {
int rslt, cmd = GRecvInt();
@@ -214,7 +298,7 @@ kg_main( const char *argv0 )
}
KProcess *proc2 = 0;
- app.setOverrideCursor( Qt::WaitCursor );
+ app->setOverrideCursor( Qt::WaitCursor );
FDialog *dialog;
#ifdef XDMCP
if (cmd == G_Choose) {
@@ -247,7 +331,7 @@ kg_main( const char *argv0 )
proc2->start();
}
}
- app.restoreOverrideCursor();
+ app->restoreOverrideCursor();
Debug( "entering event loop\n" );
// Qt4 has a nasty habit of generating BadWindow errors in normal operation, so we simply ignore them
// This also prevents the user from being dropped to a console login if Xorg glitches or is buggy
@@ -255,6 +339,9 @@ kg_main( const char *argv0 )
rslt = dialog->exec();
XSetErrorHandler( (XErrorHandler)0 );
Debug( "left event loop\n" );
+
+ login_user = static_cast<KGreeter*>(dialog)->curUser;
+
delete dialog;
delete proc2;
#ifdef XDMCP
@@ -274,11 +361,30 @@ kg_main( const char *argv0 )
KGVerify::done();
+ if (comp) {
+ if (_compositor == "kompmgr") {
+ // Change process UID
+ // Get user UID
+ passwd* userinfo = getpwnam(login_user.ascii());
+ TQString newuid = TQString("%1").arg(userinfo->pw_uid);
+ // kompmgr allows us to change its uid in this manner:
+ // 1.) Send SIGUSER1
+ // 2.) Send the new UID to it on the command line
+ comp->kill(SIGUSR1);
+ comp->writeStdin(newuid.ascii(), newuid.length());
+ usleep(50000); // Give the above function some time to execute. Note that on REALLY slow systems this could fail, leaving kompmgr running as root. TODO: Look into ways to make this more robust.
+ }
+ comp->closeStdin();
+ comp->detach();
+ delete comp;
+ }
delete proc;
UnsecureDisplay( dpy );
restore_modifiers();
XSetInputFocus( qt_xdisplay(), PointerRoot, PointerRoot, CurrentTime );
+
+ delete app;
}
} // extern "C"
diff --git a/kdm/kfrontend/kgapp.h b/kdm/kfrontend/kgapp.h
index f01ba1baa..38c73d3c1 100644
--- a/kdm/kfrontend/kgapp.h
+++ b/kdm/kfrontend/kgapp.h
@@ -34,6 +34,7 @@ class GreeterApp : public KApplication {
public:
GreeterApp();
+ GreeterApp(Display *dpy);
virtual bool x11EventFilter( XEvent * );
protected:
diff --git a/kdm/kfrontend/kgreeter.h b/kdm/kfrontend/kgreeter.h
index fdbd56209..8675f052a 100644
--- a/kdm/kfrontend/kgreeter.h
+++ b/kdm/kfrontend/kgreeter.h
@@ -72,6 +72,9 @@ class KGreeter : public KGDialog, public KGVerifyHandler {
void slotSessionSelected( int );
void slotUserEntered();
+ public:
+ TQString curUser, dName;
+
protected:
void readFacesList();
void installUserList();
@@ -82,7 +85,6 @@ class KGreeter : public KGDialog, public KGVerifyHandler {
virtual void pluginSetup();
void setPrevWM( int );
- TQString curUser, dName;
KSimpleConfig *stsFile;
UserListView *userView;
TQStringList *userList;
diff --git a/kdm/kfrontend/themer/kdmitem.cpp b/kdm/kfrontend/themer/kdmitem.cpp
index 88e5a7489..eb5283cd9 100644
--- a/kdm/kfrontend/themer/kdmitem.cpp
+++ b/kdm/kfrontend/themer/kdmitem.cpp
@@ -38,6 +38,8 @@
#include <tqimage.h>
#include <tqpainter.h>
+extern bool argb_visual_available;
+
KdmItem::KdmItem( KdmItem *parent, const TQDomNode &node, const char *name )
: TQObject( parent, name )
, boxManager( 0 )
@@ -289,11 +291,13 @@ KdmItem::paint( TQPainter *p, const TQRect &rect )
if (myWidget || (myLayoutItem && myLayoutItem->widget())) {
// KListView because it's missing a Q_OBJECT'
- // FIXME: This is a nice idea intheory, but in practice it is
+ // FIXME: This is a nice idea in theory, but in practice it is
// very confusing for the user not to see the empty list box
// delineated from the rest of the greeter.
// Maybe set a darker version of the background instead of an exact copy?
if ( myWidget && myWidget->isA( "KListView" ) ) {
+ if ((_compositor.isEmpty()) || (!argb_visual_available)) {
+ // Software blend only (no compositing support)
TQPixmap copy( myWidget->size() );
kdDebug() << myWidget->tqgeometry() << " " << area << " " << myWidget->size() << endl;
bitBlt( &copy, TQPoint( 0, 0), p->device(), myWidget->geometry(), TQt::CopyROP );
@@ -327,6 +331,30 @@ KdmItem::paint( TQPainter *p, const TQRect &rect )
copy = lightVersion;
// Set it
myWidget->setPaletteBackgroundPixmap( copy );
+ }
+ else {
+ // We have compositing support!
+ TQRgb blend_color = tqRgba(m_backgroundModifier, m_backgroundModifier, m_backgroundModifier, 0); // RGBA overlay
+ float alpha = tqAlpha(blend_color) / 255.;
+ int pixel = tqAlpha(blend_color) << 24 |
+ int(tqRed(blend_color) * alpha) << 16 |
+ int(tqGreen(blend_color) * alpha) << 8 |
+ int(tqBlue(blend_color) * alpha);
+
+ TQImage img( myWidget->size(), 32 );
+ img = img.convertDepth(32);
+ img.setAlphaBuffer(true);
+ register uchar * rd = img.bits();
+ for( int y = 0; y < img.height(); ++y )
+ {
+ for( short int x = 0; x < img.width(); ++x )
+ {
+ *reinterpret_cast<TQRgb*>(rd) = blend_color;
+ rd += 4;
+ }
+ }
+ myWidget->setPaletteBackgroundPixmap( img );
+ }
}
return;
}
diff --git a/kdm/kfrontend/themer/kdmpixmap.cpp b/kdm/kfrontend/themer/kdmpixmap.cpp
index af64714b8..436483c48 100644
--- a/kdm/kfrontend/themer/kdmpixmap.cpp
+++ b/kdm/kfrontend/themer/kdmpixmap.cpp
@@ -37,6 +37,8 @@
#include <tqpixmap.h>
#include <tqimage.h>
+extern bool argb_visual_available;
+
KdmPixmap::KdmPixmap( KdmItem *parent, const TQDomNode &node, const char *name )
: KdmItem( parent, node, name )
{
@@ -47,6 +49,7 @@ KdmPixmap::KdmPixmap( KdmItem *parent, const TQDomNode &node, const char *name )
pixmap.normal.alpha = 0.0;
pixmap.active.present = false;
pixmap.prelight.present = false;
+ bool true_transparency = false;
// Read PIXMAP ID
// it rarely happens that a pixmap can be a button too!
@@ -66,13 +69,20 @@ KdmPixmap::KdmPixmap( KdmItem *parent, const TQDomNode &node, const char *name )
pixmap.normal.alpha = el.attribute( "alpha", "1.0" ).toFloat();
if (el.attribute( "file", "" ) == "@@@KDMBACKGROUND@@@") {
- // Use the preset KDM background...
- KStandardDirs *m_pDirs = KGlobal::dirs();
- KSimpleConfig *config = new KSimpleConfig( TQFile::decodeName( _backgroundCfg ) );
- config->setGroup("Desktop0");
- pixmap.normal.fullpath = m_pDirs->findResource("wallpaper", config->readPathEntry("Wallpaper"));
- // TODO: Detect when there is no wallpaper and use the background settings instead
- delete config;
+ if ((_compositor.isEmpty()) || (!argb_visual_available)) {
+ // Software blend only (no compositing support)
+ // Use the preset KDM background...
+ KStandardDirs *m_pDirs = KGlobal::dirs();
+ KSimpleConfig *config = new KSimpleConfig( TQFile::decodeName( _backgroundCfg ) );
+ config->setGroup("Desktop0");
+ pixmap.normal.fullpath = m_pDirs->findResource("wallpaper", config->readPathEntry("Wallpaper"));
+ // TODO: Detect when there is no wallpaper and use the background settings instead
+ delete config;
+ }
+ else {
+ true_transparency = true;
+ pixmap.normal.alpha = 0.0;
+ }
}
} else if (tagName == "active") {
@@ -189,7 +199,6 @@ KdmPixmap::drawContents( TQPainter *p, const TQRect &r )
kdDebug() << "draw " << id << " " << pClass->pixmap.isNull() << endl;
if (pClass->pixmap.isNull()) {
-
if (pClass->fullpath.isEmpty()) // if neither is set, we're empty
return;
@@ -246,7 +255,7 @@ KdmPixmap::drawContents( TQPainter *p, const TQRect &r )
if (haveTint || haveAlpha)
{
scaledImage = pClass->pixmap.convertToImage();
- // enforce rgba values for the later
+ // enforce rgba values for the latter
scaledImage = scaledImage.convertDepth( 32 );
}
else
@@ -275,7 +284,31 @@ KdmPixmap::drawContents( TQPainter *p, const TQRect &r )
ls[x] = tqRgba( r, g, b, a );
}
}
+ }
+ if ((_compositor.isEmpty()) || (!argb_visual_available)) {
+ // Software blend only (no compositing support)
+ }
+ else {
+ // We have a compositor!
+ // Apply the alpha in the same manner as above, exept we are now
+ // using the hardware blending engine for all painting
+ scaledImage = pClass->readyPixmap;
+ scaledImage = scaledImage.convertDepth( 32 );
+ int w = scaledImage.width();
+ int h = scaledImage.height();
+ for (int y = 0; y < h; ++y) {
+ QRgb *ls = (QRgb *)scaledImage.scanLine( y );
+ for (int x = 0; x < w; ++x) {
+ QRgb l = ls[x];
+ float alpha_adjust = (tqAlpha( l )/256.0);
+ int r = int( tqRed( l ) * alpha_adjust );
+ int g = int( tqGreen( l ) * alpha_adjust );
+ int b = int( tqBlue( l ) * alpha_adjust );
+ int a = int( tqAlpha( l ) * 1 );
+ ls[x] = tqRgba( r, g, b, a );
+ }
+ }
}
if (!scaledImage.isNull()) {
diff --git a/kdm/kfrontend/themer/kdmrect.cpp b/kdm/kfrontend/themer/kdmrect.cpp
index 1d854d213..1db128da0 100644
--- a/kdm/kfrontend/themer/kdmrect.cpp
+++ b/kdm/kfrontend/themer/kdmrect.cpp
@@ -21,6 +21,7 @@
#include "kdmrect.h"
#include "kdmthemer.h"
+#include "kdmconfig.h"
#include <kimageeffect.h>
#include <kdebug.h>
@@ -30,6 +31,8 @@
#include <tqwidget.h>
#include <tqlayout.h>
+extern bool argb_visual_available;
+
KdmRect::KdmRect( KdmItem *parent, const TQDomNode &node, const char *name )
: KdmItem( parent, node, name )
{
@@ -103,14 +106,20 @@ KdmRect::drawContents( TQPainter *p, const TQRect &r )
if (rClass->alpha == 1)
p->fillRect( area, TQBrush( rClass->color ) );
else {
- TQRect backRect = r;
- backRect.moveBy( area.x(), area.y() );
- TQPixmap backPixmap( backRect.size() );
- bitBlt( &backPixmap, TQPoint( 0, 0 ), p->device(), backRect );
- TQImage backImage = backPixmap.convertToImage();
- KImageEffect::blend( rClass->color, backImage, rClass->alpha );
- p->drawImage( backRect.x(), backRect.y(), backImage );
- // area.moveBy(1,1);
+// if ((_compositor.isEmpty()) || (!argb_visual_available)) {
+ // Software blend only (no compositing support)
+ TQRect backRect = r;
+ backRect.moveBy( area.x(), area.y() );
+ TQPixmap backPixmap( backRect.size() );
+ bitBlt( &backPixmap, TQPoint( 0, 0 ), p->device(), backRect );
+ TQImage backImage = backPixmap.convertToImage();
+ KImageEffect::blend( rClass->color, backImage, rClass->alpha );
+ p->drawImage( backRect.x(), backRect.y(), backImage );
+ // area.moveBy(1,1);
+// }
+// else {
+// // We have compositing support!
+// }
}
}
diff --git a/kdm/kfrontend/themer/kdmthemer.cpp b/kdm/kfrontend/themer/kdmthemer.cpp
index d6b2e6e0e..39a1abe81 100644
--- a/kdm/kfrontend/themer/kdmthemer.cpp
+++ b/kdm/kfrontend/themer/kdmthemer.cpp
@@ -46,6 +46,8 @@
#include <unistd.h>
+extern bool argb_visual_available;
+
/*
* KdmThemer. The main theming interface
*/
@@ -159,17 +161,35 @@ KdmThemer::widgetEvent( TQEvent *e )
TQRect paintRect = TQT_TQPAINTEVENT(e)->rect();
kdDebug() << timestamp() << " paint on: " << paintRect << endl;
- if (!backBuffer)
- backBuffer = new TQPixmap( widget()->size() );
- if (backBuffer->size() != widget()->size())
- backBuffer->resize( widget()->size() );
-
- TQPainter p;
- p.begin( backBuffer );
- rootItem->paint( &p, paintRect );
- p.end();
+ if ((_compositor.isEmpty()) || (!argb_visual_available)) {
+ // Software blend only (no compositing support)
+ if (!backBuffer)
+ backBuffer = new TQPixmap( widget()->size() );
+ if (backBuffer->size() != widget()->size())
+ backBuffer->resize( widget()->size() );
+
+ TQPainter p;
+ p.begin( backBuffer );
+ rootItem->paint( &p, paintRect );
+ p.end();
+
+ bitBlt( widget(), paintRect.topLeft(), backBuffer, paintRect );
+ }
+ else {
+ // We have compositing support!
+ TQRgb blend_color = tqRgba(0, 0, 0, 0); // RGBA
+ float alpha = tqAlpha(blend_color) / 255.;
+ int pixel = tqAlpha(blend_color) << 24 |
+ int(tqRed(blend_color) * alpha) << 16 |
+ int(tqGreen(blend_color) * alpha) << 8 |
+ int(tqBlue(blend_color) * alpha);
+ TQPainter p1;
+ p1.begin( widget() );
+ p1.fillRect( paintRect, TQColor(blend_color, pixel) );
+ rootItem->paint( &p1, paintRect );
+ p1.end();
+ }
- bitBlt( widget(), paintRect.topLeft(), backBuffer, paintRect );
}
break;
default:
diff --git a/kdm/kfrontend/themer/kdmthemer.h b/kdm/kfrontend/themer/kdmthemer.h
index e5228973e..e6e5efdb4 100644
--- a/kdm/kfrontend/themer/kdmthemer.h
+++ b/kdm/kfrontend/themer/kdmthemer.h
@@ -24,6 +24,7 @@
#include <tqobject.h>
#include <tqdom.h>
+#include <tqimage.h>
class KdmThemer;
class KdmItem;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-25 22:24:12 +0000