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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-03-22 00:18:32 -0500
committerSlávek Banko <slavek.banko@axis.cz>2013-05-05 05:09:53 +0200
commit52b8af3d7975010b98ebf728ab1b6b47f6031580 (patch)
tree8705126448ad992259ba2734819c1062761f36ff /kdesktop
parent64ed2efaa1b28e938e531b045c6ff1f5bd76f09f (diff)
downloadtdebase-52b8af3d7975010b98ebf728ab1b6b47f6031580.tar.gz
tdebase-52b8af3d7975010b98ebf728ab1b6b47f6031580.zip
Clean up spurious kdesktop_lock X11 error messages
Introduce disabled framework for future ARGB visual support (cherry picked from commit bf0b8eb3b27ea20173bee2690a8daef410a00b59)
Diffstat (limited to 'kdesktop')
-rw-r--r--kdesktop/lock/lockprocess.cc198
-rw-r--r--kdesktop/lock/main.cc93
-rw-r--r--kdesktop/lock/main.h1
3 files changed, 211 insertions, 81 deletions
diff --git a/kdesktop/lock/lockprocess.cc b/kdesktop/lock/lockprocess.cc
index 47b0a2764..1872b9ec8 100644
--- a/kdesktop/lock/lockprocess.cc
+++ b/kdesktop/lock/lockprocess.cc
@@ -172,6 +172,8 @@ extern bool trinity_desktop_lock_use_sak;
extern bool trinity_desktop_lock_hide_active_windows;
extern bool trinity_desktop_lock_forced;
+extern bool argb_visual;
+
extern TQXLibWindowList trinity_desktop_lock_hidden_window_list;
bool trinity_desktop_lock_autohide_lockdlg = TRUE;
@@ -238,17 +240,24 @@ LockProcess::LockProcess()
setupSignals();
setupPipe();
+ // Signal that we want to be transparent to the desktop, not to windows behind us...
+ Atom kde_wm_transparent_to_desktop;
+ kde_wm_transparent_to_desktop = XInternAtom(qt_xdisplay(), "_KDE_TRANSPARENT_TO_DESKTOP", False);
+ XChangeProperty(qt_xdisplay(), winId(), kde_wm_transparent_to_desktop, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L);
+
kapp->installX11EventFilter(this);
mForceContinualLockDisplayTimer = new TQTimer( this );
mHackDelayStartupTimer = new TQTimer( this );
mEnsureVRootWindowSecurityTimer = new TQTimer( this );
- // Try to get the root pixmap
- if (!m_rootPixmap) m_rootPixmap = new KRootPixmap(this);
- connect(m_rootPixmap, TQT_SIGNAL(backgroundUpdated(const TQPixmap &)), this, TQT_SLOT(slotPaintBackground(const TQPixmap &)));
- m_rootPixmap->setCustomPainting(true);
- m_rootPixmap->start();
+ if (!argb_visual) {
+ // Try to get the root pixmap
+ if (!m_rootPixmap) m_rootPixmap = new KRootPixmap(this);
+ connect(m_rootPixmap, TQT_SIGNAL(backgroundUpdated(const TQPixmap &)), this, TQT_SLOT(slotPaintBackground(const TQPixmap &)));
+ m_rootPixmap->setCustomPainting(true);
+ m_rootPixmap->start();
+ }
// Get root window attributes
XWindowAttributes rootAttr;
@@ -971,8 +980,26 @@ void LockProcess::createSaverWindow()
attrs.override_redirect = 1;
hide();
- Window w = XCreateWindow( x11Display(), RootWindow( x11Display(), x11Screen()),
- x(), y(), width(), height(), 0, x11Depth(), InputOutput, visual, flags, &attrs );
+
+ if (argb_visual) {
+ attrs.background_pixel = 0;
+ attrs.border_pixel = 0;
+ flags |= CWBackPixel;
+ flags |= CWBorderPixel;
+ if (!(flags & CWColormap)) {
+ XVisualInfo vinfo;
+ if (!XMatchVisualInfo( x11Display(), x11Screen(), 32, TrueColor, &vinfo )) {
+ printf("[ERROR] Unable to locate matching X11 Visual; this application will not function correctly!\n\r");
+ }
+ else {
+ visual = vinfo.visual;
+ attrs.colormap = XCreateColormap( x11Display(), RootWindow( x11Display(), x11Screen()), visual, AllocNone );
+ flags |= CWColormap;
+ }
+ }
+ }
+
+ Window w = XCreateWindow( x11Display(), RootWindow( x11Display(), x11Screen()), x(), y(), width(), height(), 0, x11Depth(), InputOutput, visual, flags, &attrs );
create( w );
// Some xscreensaver hacks check for this property
@@ -982,10 +1009,13 @@ void LockProcess::createSaverWindow()
(unsigned char *) version, strlen(version));
XSetWindowAttributes attr;
- attr.event_mask = KeyPressMask | ButtonPressMask | PointerMotionMask |
- VisibilityChangeMask | ExposureMask;
- XChangeWindowAttributes(qt_xdisplay(), winId(),
- CWEventMask, &attr);
+ attr.event_mask = KeyPressMask | ButtonPressMask | PointerMotionMask | VisibilityChangeMask | ExposureMask;
+ XChangeWindowAttributes(qt_xdisplay(), winId(), CWEventMask, &attr);
+
+ // Signal that we want to be transparent to the desktop, not to windows behind us...
+ Atom kde_wm_transparent_to_desktop;
+ kde_wm_transparent_to_desktop = XInternAtom(qt_xdisplay(), "_KDE_TRANSPARENT_TO_DESKTOP", False);
+ XChangeProperty(qt_xdisplay(), w, kde_wm_transparent_to_desktop, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L);
// erase();
@@ -1077,7 +1107,12 @@ void LockProcess::desktopResized()
XSync(qt_xdisplay(), False);
// Black out the background widget to hide ugly resize tiling artifacts
- setBackgroundColor(black);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
+ }
+ else {
+ setBackgroundColor(black);
+ }
erase();
// This slot needs to be able to execute very rapidly so as to prevent the user's desktop from ever
@@ -1203,28 +1238,35 @@ void LockProcess::saveVRoot()
//
void LockProcess::setVRoot(Window win, Window vr)
{
- if (gVRoot)
+ if (gVRoot) {
removeVRoot(gVRoot);
+ }
unsigned long rw = RootWindowOfScreen(ScreenOfDisplay(qt_xdisplay(), qt_xscreen()));
unsigned long vroot_data[1] = { vr };
- Window rootReturn, parentReturn, *children;
+ Window rootReturn;
+ Window parentReturn;
+ Window *children = NULL;
unsigned int numChildren;
Window top = win;
while (1) {
- XQueryTree(qt_xdisplay(), top , &rootReturn, &parentReturn,
- &children, &numChildren);
- if (children)
+ if (XQueryTree(qt_xdisplay(), top, &rootReturn, &parentReturn, &children, &numChildren) == 0) {
+ printf("[WARNING] XQueryTree() failed!\n\r"); fflush(stdout);
+ break;
+ }
+ if (children) {
XFree((char *)children);
+ }
if (parentReturn == rw) {
break;
- } else
+ }
+ else {
top = parentReturn;
+ }
}
- XChangeProperty(qt_xdisplay(), top, gXA_VROOT, XA_WINDOW, 32,
- PropModeReplace, (unsigned char *)vroot_data, 1);
+ XChangeProperty(qt_xdisplay(), top, gXA_VROOT, XA_WINDOW, 32, PropModeReplace, (unsigned char *)vroot_data, 1);
}
//---------------------------------------------------------------------------
@@ -1365,11 +1407,16 @@ bool LockProcess::startSaver()
}
if (((!(trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced)) && (!trinity_desktop_lock_in_sec_dlg)) && mHackStartupEnabled) {
- if (backingPixmap.isNull()) {
- setBackgroundColor(black);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
}
else {
- setBackgroundPixmap(backingPixmap);
+ if (backingPixmap.isNull()) {
+ setBackgroundColor(black);
+ }
+ else {
+ setBackgroundPixmap(backingPixmap);
+ }
}
setGeometry(0, 0, mRootWidth, mRootHeight);
erase();
@@ -1527,13 +1574,19 @@ void LockProcess::repaintRootWindowIfNeeded()
{
if (trinity_desktop_lock_use_system_modal_dialogs) {
if (!mHackProc.isRunning()) {
- if (backingPixmap.isNull()) {
- setBackgroundColor(black);
- setGeometry(0, 0, mRootWidth, mRootHeight);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
erase();
}
else {
- bitBlt(this, 0, 0, &backingPixmap);
+ if (backingPixmap.isNull()) {
+ setBackgroundColor(black);
+ setGeometry(0, 0, mRootWidth, mRootHeight);
+ erase();
+ }
+ else {
+ bitBlt(this, 0, 0, &backingPixmap);
+ }
}
}
if (currentDialog == NULL) {
@@ -1554,11 +1607,16 @@ bool LockProcess::startHack()
if (currentDialog || (!mDialogs.isEmpty()))
{
// no resuming with dialog visible or when not visible
- if (backingPixmap.isNull()) {
- setBackgroundColor(black);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
}
else {
- setBackgroundPixmap(backingPixmap);
+ if (backingPixmap.isNull()) {
+ setBackgroundColor(black);
+ }
+ else {
+ setBackgroundPixmap(backingPixmap);
+ }
}
setGeometry(0, 0, mRootWidth, mRootHeight);
erase();
@@ -1602,11 +1660,16 @@ bool LockProcess::startHack()
{
if (trinity_desktop_lock_use_system_modal_dialogs) {
// Make sure we have a nice clean display to start with!
- if (backingPixmap.isNull()) {
- setBackgroundColor(black);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
}
else {
- setBackgroundPixmap(backingPixmap);
+ if (backingPixmap.isNull()) {
+ setBackgroundColor(black);
+ }
+ else {
+ setBackgroundPixmap(backingPixmap);
+ }
}
setGeometry(0, 0, mRootWidth, mRootHeight);
erase();
@@ -1637,18 +1700,31 @@ bool LockProcess::startHack()
usleep(100);
TQApplication::syncX();
if (!trinity_desktop_lock_use_system_modal_dialogs) {
- if (backingPixmap.isNull()) {
- setBackgroundColor(black);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
}
else {
- setBackgroundPixmap(backingPixmap);
+ if (backingPixmap.isNull()) {
+ setBackgroundColor(black);
+ }
+ else {
+ setBackgroundPixmap(backingPixmap);
+ }
}
}
- if (backingPixmap.isNull()) {
- setGeometry(0, 0, mRootWidth, mRootHeight);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
erase();
}
- else bitBlt(this, 0, 0, &backingPixmap);
+ else {
+ if (backingPixmap.isNull()) {
+ setGeometry(0, 0, mRootWidth, mRootHeight);
+ erase();
+ }
+ else {
+ bitBlt(this, 0, 0, &backingPixmap);
+ }
+ }
if (trinity_desktop_lock_use_system_modal_dialogs) {
ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
@@ -1686,18 +1762,30 @@ void LockProcess::hackExited(KProcess *)
usleep(100);
TQApplication::syncX();
if (!trinity_desktop_lock_use_system_modal_dialogs) {
- if (backingPixmap.isNull()) {
- setBackgroundColor(black);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
}
else {
- setBackgroundPixmap(backingPixmap);
+ if (backingPixmap.isNull()) {
+ setBackgroundColor(black);
+ }
+ else {
+ setBackgroundPixmap(backingPixmap);
+ }
}
}
- if (backingPixmap.isNull()) {
- setGeometry(0, 0, mRootWidth, mRootHeight);
- erase();
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
+ }
+ else {
+ if (backingPixmap.isNull()) {
+ setGeometry(0, 0, mRootWidth, mRootHeight);
+ erase();
+ }
+ else {
+ bitBlt(this, 0, 0, &backingPixmap);
+ }
}
- else bitBlt(this, 0, 0, &backingPixmap);
if (!mSuspended) {
if (trinity_desktop_lock_use_system_modal_dialogs) {
ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
@@ -1774,11 +1862,16 @@ void LockProcess::resume( bool force )
if( !force && (!mDialogs.isEmpty() || !mVisibility )) {
// no resuming with dialog visible or when not visible
if (trinity_desktop_lock_use_system_modal_dialogs) {
- if (backingPixmap.isNull()) {
- setBackgroundColor(black);
+ if (argb_visual) {
+ setErasePixmap(TQPixmap());
}
else {
- setBackgroundPixmap(backingPixmap);
+ if (backingPixmap.isNull()) {
+ setBackgroundColor(black);
+ }
+ else {
+ setBackgroundPixmap(backingPixmap);
+ }
}
setGeometry(0, 0, mRootWidth, mRootHeight);
erase();
@@ -1966,6 +2059,13 @@ void LockProcess::slotForcePaintBackground()
void LockProcess::slotPaintBackground(const TQPixmap &rpm)
{
+ if (argb_visual) {
+ if (mEnsureScreenHiddenTimer) {
+ mEnsureScreenHiddenTimer->stop();
+ }
+ return;
+ }
+
if (mEnsureScreenHiddenTimer) {
mEnsureScreenHiddenTimer->stop();
}
diff --git a/kdesktop/lock/main.cc b/kdesktop/lock/main.cc
index e1cf0cb41..66d4ec313 100644
--- a/kdesktop/lock/main.cc
+++ b/kdesktop/lock/main.cc
@@ -19,6 +19,8 @@
Boston, MA 02110-1301, USA.
*/
+#include <config.h>
+
#include "lockprocess.h"
#include "main.h"
#include "kdesktopsettings.h"
@@ -35,8 +37,19 @@
#include <stdlib.h>
-#include <X11/Xlib.h>
-#include <fixx11h.h>
+#if defined(Q_WS_X11) && defined(HAVE_XRENDER) && TQT_VERSION >= 0x030300
+#define COMPOSITE
+#endif
+
+#ifdef COMPOSITE
+# include <X11/Xlib.h>
+# include <X11/extensions/Xrender.h>
+# include <fixx11h.h>
+# include <dlfcn.h>
+#else
+# include <X11/Xlib.h>
+# include <fixx11h.h>
+#endif
#define OPEN_TDMCONFIG_AND_SET_GROUP \
if( stat( KDE_CONFDIR "/kdm/kdmdistrc" , &st ) == 0) { \
@@ -64,6 +77,38 @@ bool signalled_blank;
bool signalled_run;
bool in_internal_mode = FALSE;
+bool argb_visual = FALSE;
+
+static void sigusr1_handler(int)
+{
+ signalled_forcelock = TRUE;
+}
+
+static void sigusr2_handler(int)
+{
+ signalled_dontlock = TRUE;
+}
+
+static void sigusr3_handler(int)
+{
+ signalled_securedialog = TRUE;
+}
+
+static void sigusr4_handler(int)
+{
+ signalled_blank = TRUE;
+}
+
+static void sigusr5_handler(int)
+{
+ signalled_run = TRUE;
+}
+
+static int trapXErrors(Display *, XErrorEvent *)
+{
+ return 0;
+}
+
bool MyApp::x11EventFilter( XEvent *ev )
{
if (ev->type == ButtonPress || ev->type == ButtonRelease || ev->type == MotionNotify) {
@@ -119,6 +164,10 @@ bool MyApp::x11EventFilter( XEvent *ev )
XCreateWindowEvent create_event = ev->xcreatewindow;
XWindowAttributes childAttr;
Window childTransient;
+
+ // XGetWindowAttributes may generate BadWindow errors, so make sure they are silently ignored
+ int (*oldHandler)(Display *, XErrorEvent *);
+ oldHandler = XSetErrorHandler(trapXErrors);
if (XGetWindowAttributes(create_event.display, create_event.window, &childAttr) && XGetTransientForHint(create_event.display, create_event.window, &childTransient)) {
if ((childAttr.override_redirect) && (childTransient)) {
if (!trinity_desktop_lock_hidden_window_list.contains(create_event.window)) {
@@ -128,6 +177,7 @@ bool MyApp::x11EventFilter( XEvent *ev )
XFlush(create_event.display);
}
}
+ XSetErrorHandler(oldHandler);
}
else if (ev->type == DestroyNotify) {
XDestroyWindowEvent destroy_event = ev->xdestroywindow;
@@ -171,36 +221,6 @@ void restore_hidden_override_redirect_windows() {
}
}
-static void sigusr1_handler(int)
-{
- signalled_forcelock = TRUE;
-}
-
-static void sigusr2_handler(int)
-{
- signalled_dontlock = TRUE;
-}
-
-static void sigusr3_handler(int)
-{
- signalled_securedialog = TRUE;
-}
-
-static void sigusr4_handler(int)
-{
- signalled_blank = TRUE;
-}
-
-static void sigusr5_handler(int)
-{
- signalled_run = TRUE;
-}
-
-static int trapXErrors(Display *, XErrorEvent *)
-{
- return 0;
-}
-
// -----------------------------------------------------------------------------
int main( int argc, char **argv )
@@ -287,7 +307,16 @@ int main( int argc, char **argv )
}
}
+// FIXME
+// Composite should be enabled where possible, however using ARGB visuals seems to cause problems
+// with XScreenSaver hacks (they do not display).
+// #ifdef COMPOSITE
+// MyApp app(KApplication::openX11RGBADisplay());
+// argb_visual = app.isX11CompositionAvailable();
+// #else
MyApp app;
+// #endif
+
kdDebug() << "app " << kdesktop_screen_number << " " << starting_screen << " " << child << " " << child_sockets.count() << " " << parent_connection << endl;
app.disableSessionManagement();
KGlobal::locale()->insertCatalogue("libdmctl");
diff --git a/kdesktop/lock/main.h b/kdesktop/lock/main.h
index 23797e4b0..0770943d6 100644
--- a/kdesktop/lock/main.h
+++ b/kdesktop/lock/main.h
@@ -28,6 +28,7 @@ class MyApp : public KApplication {
Q_OBJECT
public:
MyApp() : KApplication(), lastTick( 0 ) {}
+ MyApp(Display *display, Qt::HANDLE visual = 0, Qt::HANDLE colormap = 0, bool allowStyles=true) : KApplication(display, visual, colormap, allowStyles), lastTick( 0 ) {}
protected:
bool x11EventFilter( XEvent * );
signals: