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Diffstat (limited to 'kdeui/ksharedpixmap.cpp')
| -rw-r--r-- | kdeui/ksharedpixmap.cpp | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/kdeui/ksharedpixmap.cpp b/kdeui/ksharedpixmap.cpp deleted file mode 100644 index d0a74f223..000000000 --- a/kdeui/ksharedpixmap.cpp +++ /dev/null @@ -1,228 +0,0 @@ -/* vi: ts=8 sts=4 sw=4 - * - * - * This file is part of the KDE libraries. - * Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * Shared pixmap client for KDE. - */ -#include "config.h" - -#include <tqrect.h> -#include <tqsize.h> -#include <tqstring.h> -#include <tqpixmap.h> -#include <tqwindowdefs.h> -#include <tqwidget.h> - -#ifdef Q_WS_X11 - -#include <kapplication.h> -#include <krootprop.h> -#include <ksharedpixmap.h> -#include <kdebug.h> -#include <stdlib.h> // for abs - -#include <X11/Xlib.h> - -// Make sure to include all this X-based shit before we clean up the mess. -// Needed for --enable-final. Not needed by this file itself! -#include <X11/Xutil.h> -#ifdef HAVE_MITSHM -#include <X11/extensions/XShm.h> -#endif - -#include <netwm.h> - -// Clean up the mess - -#undef Bool -#undef Above -#undef Below -#undef KeyPress -#undef KeyRelease -#undef FocusOut - -/** - * KSharedPixmap - */ - -class KSharedPixmapPrivate -{ -public: - Atom pixmap; - Atom target; - Atom selection; - TQRect rect; -}; - -KSharedPixmap::KSharedPixmap() - : TQWidget(0L, "shpixmap comm window") -{ - d = new KSharedPixmapPrivate; - init(); -} - - -KSharedPixmap::~KSharedPixmap() -{ - delete d; -} - - -void KSharedPixmap::init() -{ - d->pixmap = XInternAtom(qt_xdisplay(), "PIXMAP", false); - TQCString atom; - atom.sprintf("target prop for window %lx", static_cast<unsigned long int>(winId())); - d->target = XInternAtom(qt_xdisplay(), atom.data(), false); - d->selection = None; -} - - -bool KSharedPixmap::isAvailable(const TQString & name) const -{ - TQString str = TQString("KDESHPIXMAP:%1").arg(name); - Atom sel = XInternAtom(qt_xdisplay(), str.latin1(), true); - if (sel == None) - return false; - return XGetSelectionOwner(qt_xdisplay(), sel) != None; -} - - -bool KSharedPixmap::loadFromShared(const TQString & name, const TQRect & rect) -{ - d->rect = rect; - if (d->selection != None) - // already active - return false; - - TQPixmap::resize(0, 0); // tqinvalidate - - TQString str = TQString("KDESHPIXMAP:%1").arg(name); - d->selection = XInternAtom(qt_xdisplay(), str.latin1(), true); - if (d->selection == None) - return false; - if (XGetSelectionOwner(qt_xdisplay(), d->selection) == None) - { - d->selection = None; - return false; - } - - XConvertSelection(qt_xdisplay(), d->selection, d->pixmap, d->target, - winId(), CurrentTime); - return true; -} - - -bool KSharedPixmap::x11Event(XEvent *event) -{ - if (event->type != SelectionNotify) - return false; - - XSelectionEvent *ev = &event->xselection; - if (ev->selection != d->selection) - return false; - - if ((ev->target != d->pixmap) || (ev->property == None)) - { - kdWarning(270) << k_funcinfo << "illegal selection notify event.\n"; - d->selection = None; - emit done(false); - return true; - } - - // Read pixmap handle from ev->property - - int dummy, format; - unsigned long nitems, ldummy; - unsigned char *pixmap_id = 0; - Atom type; - - XGetWindowProperty(qt_xdisplay(), winId(), ev->property, 0, 1, false, - d->pixmap, &type, &format, &nitems, &ldummy, - &pixmap_id); - - if (nitems != 1 || !pixmap_id) - { - kdWarning(270) << k_funcinfo << "could not read property, nitems = " << nitems << "\n"; - emit done(false); - return true; - } - - Window root; - unsigned int width, height, udummy; - void *drawable_id = (void *) pixmap_id; - Drawable pixmap = *(Drawable*) drawable_id; - - Status status = XGetGeometry(qt_xdisplay(), pixmap, &root, &dummy, &dummy, &width, &height, &udummy, &udummy); - - if (status == BadDrawable) - return false; - - if (d->rect.isEmpty()) - { - TQPixmap::resize(width, height); - XCopyArea(qt_xdisplay(), pixmap, ((KPixmap*)this)->handle(), qt_xget_temp_gc(qt_xscreen(), false), - 0, 0, width, height, 0, 0); - - XFree(pixmap_id); - XDeleteProperty(qt_xdisplay(), winId(), ev->property); - d->selection = None; - emit done(true); - return true; - } - - // Do some more processing here: Generate a tile that can be used as a - // background tile for the rectangle "rect". - - //Check for origin off screen - TQPoint origin(0, 0); - if( d->rect.topLeft().x() < 0 || d->rect.topLeft().y() < 0 ) { - //Save the offset and relocate the rect corners - TQPoint tl = d->rect.topLeft(); - TQPoint br = d->rect.bottomRight(); - if( tl.x() < 0 ) { - origin.setX( abs( tl.x() ) ); - tl.setX( 0 ); - } - if( tl.y() < 0 ) { - origin.setY( abs( tl.y() ) ); - tl.setY( 0 ); - } - TQRect adjustedRect( tl, br ); - d->rect = adjustedRect; - } - - unsigned w = d->rect.width(), h = d->rect.height(); - unsigned tw = QMIN(width, w), th = QMIN(height, h); - unsigned xa = d->rect.x() % width, ya = d->rect.y() % height; - unsigned t1w = QMIN(width-xa,tw), t1h = QMIN(height-ya,th); - - TQPixmap::resize( tw+origin.x(), th+origin.y() ); - - XCopyArea(qt_xdisplay(), pixmap, (static_cast<KPixmap*>(this))->handle(), qt_xget_temp_gc(qt_xscreen(), false), - xa, ya, t1w+origin.x(), t1h+origin.y(), origin.x(), origin.y() ); - XCopyArea(qt_xdisplay(), pixmap, (static_cast<KPixmap*>(this))->handle(), qt_xget_temp_gc(qt_xscreen(), false), - 0, ya, tw-t1w, t1h, t1w, 0); - XCopyArea(qt_xdisplay(), pixmap, (static_cast<KPixmap*>(this))->handle(), qt_xget_temp_gc(qt_xscreen(), false), - xa, 0, t1w, th-t1h, 0, t1h); - XCopyArea(qt_xdisplay(), pixmap, (static_cast<KPixmap*>(this))->handle(), qt_xget_temp_gc(qt_xscreen(), false), - 0, 0, tw-t1w, th-t1h, t1w, t1h); - - XFree(pixmap_id); - - d->selection = None; - XDeleteProperty(qt_xdisplay(), winId(), ev->property); - emit done(true); - return true; -} - - -#include "ksharedpixmap.moc" -#endif |