mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-22 05:27:20 +00:00
[client] x11: split out clipboard code for maintainabillity
This commit is contained in:
Geoffrey McRae
parent
ab4d7cb94b
commit
2f14d64289
@ -12,6 +12,7 @@ pkg_check_modules(DISPLAYSERVER_X11_PKGCONFIG REQUIRED
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add_library(displayserver_X11 STATIC
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x11.c
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clipboard.c
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)
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add_definitions(-D GLX_GLXEXT_PROTOTYPES)
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427
client/displayservers/X11/clipboard.c
Normal file
427
client/displayservers/X11/clipboard.c
Normal file
@ -0,0 +1,427 @@
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/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2021 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "clipboard.h"
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#include "x11.h"
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#include <string.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include "app.h"
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#include "common/debug.h"
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struct X11ClipboardState
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{
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Atom aSelection;
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Atom aCurSelection;
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Atom aTargets;
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Atom aSelData;
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Atom aIncr;
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Atom aTypes[LG_CLIPBOARD_DATA_NONE];
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LG_ClipboardData type;
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bool haveRequest;
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bool incrStart;
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unsigned int lowerBound;
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};
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static const char * atomTypes[] =
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{
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"UTF8_STRING",
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"image/png",
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"image/bmp",
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"image/tiff",
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"image/jpeg"
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};
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static struct X11ClipboardState x11cb;
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// forwards
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static void x11CBSelectionRequest(const XSelectionRequestEvent e);
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static void x11CBSelectionClear(const XSelectionClearEvent e);
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static void x11CBSelectionIncr(const XPropertyEvent e);
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static void x11CBSelectionNotify(const XSelectionEvent e);
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static void x11CBXFixesSelectionNotify(const XFixesSelectionNotifyEvent e);
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void x11CBEventThread(const XEvent xe)
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{
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switch(xe.type)
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{
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case SelectionRequest:
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x11CBSelectionRequest(xe.xselectionrequest);
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break;
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case SelectionClear:
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x11CBSelectionClear(xe.xselectionclear);
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break;
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case SelectionNotify:
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x11CBSelectionNotify(xe.xselection);
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break;
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case PropertyNotify:
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if (xe.xproperty.atom == x11cb.aSelData)
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{
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if (x11cb.lowerBound == 0)
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break;
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x11CBSelectionIncr(xe.xproperty);
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break;
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}
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break;
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default:
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if (xe.type == x11.eventBase + XFixesSelectionNotify)
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{
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XFixesSelectionNotifyEvent * sne = (XFixesSelectionNotifyEvent *)&xe;
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x11CBXFixesSelectionNotify(*sne);
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}
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break;
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}
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}
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bool x11CBInit()
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{
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x11cb.aSelection = XInternAtom(x11.display, "CLIPBOARD" , False);
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x11cb.aTargets = XInternAtom(x11.display, "TARGETS" , False);
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x11cb.aSelData = XInternAtom(x11.display, "SEL_DATA" , False);
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x11cb.aIncr = XInternAtom(x11.display, "INCR" , False);
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x11cb.aCurSelection = BadValue;
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for(int i = 0; i < LG_CLIPBOARD_DATA_NONE; ++i)
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{
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x11cb.aTypes[i] = XInternAtom(x11.display, atomTypes[i], False);
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if (x11cb.aTypes[i] == BadAlloc || x11cb.aTypes[i] == BadValue)
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{
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DEBUG_ERROR("failed to get atom for type: %s", atomTypes[i]);
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return false;
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}
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}
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// use xfixes to get clipboard change notifications
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if (!XFixesQueryExtension(x11.display, &x11.eventBase, &x11.errorBase))
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{
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DEBUG_ERROR("failed to initialize xfixes");
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return false;
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}
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XFixesSelectSelectionInput(x11.display, x11.window,
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XA_PRIMARY, XFixesSetSelectionOwnerNotifyMask);
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XFixesSelectSelectionInput(x11.display, x11.window,
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x11cb.aSelection, XFixesSetSelectionOwnerNotifyMask);
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return true;
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}
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static void x11CBReplyFn(void * opaque, LG_ClipboardData type,
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uint8_t * data, uint32_t size)
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{
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XEvent *s = (XEvent *)opaque;
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XChangeProperty(
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x11.display ,
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s->xselection.requestor,
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s->xselection.property ,
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s->xselection.target ,
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8,
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PropModeReplace,
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data,
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size);
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XSendEvent(x11.display, s->xselection.requestor, 0, 0, s);
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XFlush(x11.display);
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free(s);
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}
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static void x11CBSelectionRequest(const XSelectionRequestEvent e)
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{
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XEvent * s = (XEvent *)malloc(sizeof(XEvent));
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s->xselection.type = SelectionNotify;
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s->xselection.requestor = e.requestor;
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s->xselection.selection = e.selection;
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s->xselection.target = e.target;
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s->xselection.property = e.property;
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s->xselection.time = e.time;
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if (!x11cb.haveRequest)
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goto nodata;
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// target list requested
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if (e.target == x11cb.aTargets)
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{
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Atom targets[2];
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targets[0] = x11cb.aTargets;
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targets[1] = x11cb.aTypes[x11cb.type];
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XChangeProperty(
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e.display,
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e.requestor,
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e.property,
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XA_ATOM,
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32,
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PropModeReplace,
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(unsigned char*)targets,
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sizeof(targets) / sizeof(Atom));
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goto send;
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}
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// look to see if we can satisfy the data type
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for(int i = 0; i < LG_CLIPBOARD_DATA_NONE; ++i)
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if (x11cb.aTypes[i] == e.target && x11cb.type == i)
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{
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// request the data
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app_clipboardRequest(x11CBReplyFn, s);
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return;
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}
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nodata:
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// report no data
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s->xselection.property = None;
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send:
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XSendEvent(x11.display, e.requestor, 0, 0, s);
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XFlush(x11.display);
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free(s);
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}
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static void x11CBSelectionClear(const XSelectionClearEvent e)
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{
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if (e.selection != XA_PRIMARY && e.selection != x11cb.aSelection)
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return;
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x11cb.aCurSelection = BadValue;
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app_clipboardRelease();
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return;
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}
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static void x11CBSelectionIncr(const XPropertyEvent e)
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{
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Atom type;
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int format;
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unsigned long itemCount, after;
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unsigned char *data;
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if (XGetWindowProperty(
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e.display,
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e.window,
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e.atom,
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0, ~0L, // start and length
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True, // delete the property
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x11cb.aIncr,
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&type,
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&format,
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&itemCount,
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&after,
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&data) != Success)
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{
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DEBUG_INFO("GetProp Failed");
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app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
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goto out;
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}
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LG_ClipboardData dataType;
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for(dataType = 0; dataType < LG_CLIPBOARD_DATA_NONE; ++dataType)
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if (x11cb.aTypes[dataType] == type)
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break;
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if (dataType == LG_CLIPBOARD_DATA_NONE)
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{
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DEBUG_WARN("clipboard data (%s) not in a supported format",
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XGetAtomName(x11.display, type));
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x11cb.lowerBound = 0;
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app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
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goto out;
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}
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if (x11cb.incrStart)
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{
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app_clipboardNotify(dataType, x11cb.lowerBound);
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x11cb.incrStart = false;
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}
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XFree(data);
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data = NULL;
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if (XGetWindowProperty(
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e.display,
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e.window,
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e.atom,
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0, ~0L, // start and length
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True, // delete the property
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type,
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&type,
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&format,
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&itemCount,
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&after,
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&data) != Success)
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{
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DEBUG_ERROR("XGetWindowProperty Failed");
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app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
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goto out;
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}
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app_clipboardData(dataType, data, itemCount);
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x11cb.lowerBound -= itemCount;
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out:
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if (data)
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XFree(data);
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}
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static void x11CBXFixesSelectionNotify(const XFixesSelectionNotifyEvent e)
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{
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// check if the selection is valid and it isn't ourself
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if ((e.selection != XA_PRIMARY && e.selection != x11cb.aSelection) ||
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e.owner == x11.window || e.owner == 0)
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{
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return;
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}
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// remember which selection we are working with
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x11cb.aCurSelection = e.selection;
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XConvertSelection(
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x11.display,
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e.selection,
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x11cb.aTargets,
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x11cb.aTargets,
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x11.window,
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CurrentTime);
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return;
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}
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static void x11CBSelectionNotify(const XSelectionEvent e)
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{
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if (e.property == None)
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return;
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Atom type;
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int format;
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unsigned long itemCount, after;
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unsigned char *data;
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if (XGetWindowProperty(
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e.display,
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e.requestor,
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e.property,
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0, ~0L, // start and length
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True , // delete the property
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AnyPropertyType,
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&type,
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&format,
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&itemCount,
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&after,
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&data) != Success)
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{
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app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
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goto out;
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}
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if (type == x11cb.aIncr)
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{
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x11cb.incrStart = true;
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x11cb.lowerBound = *(unsigned int *)data;
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goto out;
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}
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// the target list
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if (e.property == x11cb.aTargets)
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{
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// the format is 32-bit and we must have data
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// this is technically incorrect however as it's
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// an array of padded 64-bit values
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if (!data || format != 32)
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goto out;
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// see if we support any of the targets listed
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const uint64_t * targets = (const uint64_t *)data;
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for(unsigned long i = 0; i < itemCount; ++i)
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{
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for(int n = 0; n < LG_CLIPBOARD_DATA_NONE; ++n)
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if (x11cb.aTypes[n] == targets[i])
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{
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// we have a match, so send the notification
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app_clipboardNotify(n, 0);
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goto out;
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}
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}
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// no matches
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app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
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goto out;
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}
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if (e.property == x11cb.aSelData)
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{
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LG_ClipboardData dataType;
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for(dataType = 0; dataType < LG_CLIPBOARD_DATA_NONE; ++dataType)
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if (x11cb.aTypes[dataType] == type)
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break;
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if (dataType == LG_CLIPBOARD_DATA_NONE)
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{
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DEBUG_WARN("clipboard data (%s) not in a supported format",
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XGetAtomName(x11.display, type));
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goto out;
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}
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app_clipboardData(dataType, data, itemCount);
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goto out;
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}
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out:
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if (data)
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XFree(data);
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}
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void x11CBNotice(LG_ClipboardData type)
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{
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x11cb.haveRequest = true;
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x11cb.type = type;
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XSetSelectionOwner(x11.display, XA_PRIMARY , x11.window, CurrentTime);
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XSetSelectionOwner(x11.display, x11cb.aSelection, x11.window, CurrentTime);
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XFlush(x11.display);
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}
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void x11CBRelease(void)
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{
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x11cb.haveRequest = false;
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XSetSelectionOwner(x11.display, XA_PRIMARY , None, CurrentTime);
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XSetSelectionOwner(x11.display, x11cb.aSelection, None, CurrentTime);
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XFlush(x11.display);
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}
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void x11CBRequest(LG_ClipboardData type)
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{
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if (x11cb.aCurSelection == BadValue)
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return;
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XConvertSelection(
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x11.display,
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x11cb.aCurSelection,
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x11cb.aTypes[type],
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x11cb.aSelData,
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x11.window,
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CurrentTime);
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}
|
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35
client/displayservers/X11/clipboard.h
Normal file
35
client/displayservers/X11/clipboard.h
Normal file
@ -0,0 +1,35 @@
|
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/*
|
||||
Looking Glass - KVM FrameRelay (KVMFR) Client
|
||||
Copyright (C) 2017-2021 Geoffrey McRae <geoff@hostfission.com>
|
||||
https://looking-glass.hostfission.com
|
||||
|
||||
This program is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License as published by the Free Software
|
||||
Foundation; either version 2 of the License, or (at your option) any later
|
||||
version.
|
||||
|
||||
This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License along with
|
||||
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
||||
Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#ifndef _H_X11DS_CLIPBOARD_
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#define _H_X11DS_CLIPBOARD_
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|
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#include <stdbool.h>
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#include <X11/extensions/Xfixes.h>
|
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|
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#include "interface/displayserver.h"
|
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|
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void x11CBEventThread(const XEvent xe);
|
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|
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bool x11CBInit();
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void x11CBNotice(LG_ClipboardData type);
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void x11CBRelease(void);
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void x11CBRequest(LG_ClipboardData type);
|
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|
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#endif
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@ -19,15 +19,15 @@ Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
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#include "interface/displayserver.h"
|
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|
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#include <stdbool.h>
|
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#include "x11.h"
|
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#include "clipboard.h"
|
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|
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#include <string.h>
|
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#include <unistd.h>
|
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|
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#include <X11/Xlib.h>
|
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#include <X11/Xatom.h>
|
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#include <X11/extensions/Xfixes.h>
|
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#include <X11/extensions/XInput2.h>
|
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#include <X11/extensions/scrnsaver.h>
|
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#include <X11/extensions/Xfixes.h>
|
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#include <X11/extensions/Xinerama.h>
|
||||
|
||||
#include <GL/glx.h>
|
||||
@ -40,80 +40,14 @@ Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
#include "app.h"
|
||||
#include "common/debug.h"
|
||||
#include "common/thread.h"
|
||||
|
||||
#define _NET_WM_STATE_REMOVE 0
|
||||
#define _NET_WM_STATE_ADD 1
|
||||
#define _NET_WM_STATE_TOGGLE 2
|
||||
|
||||
struct X11DSState
|
||||
{
|
||||
Display * display;
|
||||
Window window;
|
||||
XVisualInfo * visual;
|
||||
int xinputOp;
|
||||
|
||||
LGThread * eventThread;
|
||||
|
||||
int pointerDev;
|
||||
int keyboardDev;
|
||||
|
||||
bool pointerGrabbed;
|
||||
bool keyboardGrabbed;
|
||||
bool entered;
|
||||
bool focused;
|
||||
bool fullscreen;
|
||||
|
||||
struct Rect rect;
|
||||
struct Border border;
|
||||
|
||||
Cursor blankCursor;
|
||||
Cursor squareCursor;
|
||||
|
||||
Atom aNetReqFrameExtents;
|
||||
Atom aNetFrameExtents;
|
||||
Atom aNetWMState;
|
||||
Atom aNetWMStateFullscreen;
|
||||
Atom aNetWMWindowType;
|
||||
Atom aNetWMWindowTypeNormal;
|
||||
Atom aWMDeleteWindow;
|
||||
|
||||
// clipboard members
|
||||
Atom aSelection;
|
||||
Atom aCurSelection;
|
||||
Atom aTargets;
|
||||
Atom aSelData;
|
||||
Atom aIncr;
|
||||
Atom aTypes[LG_CLIPBOARD_DATA_NONE];
|
||||
LG_ClipboardData type;
|
||||
bool haveRequest;
|
||||
|
||||
bool incrStart;
|
||||
unsigned int lowerBound;
|
||||
|
||||
// XFixes vars
|
||||
int eventBase;
|
||||
int errorBase;
|
||||
};
|
||||
|
||||
static const char * atomTypes[] =
|
||||
{
|
||||
"UTF8_STRING",
|
||||
"image/png",
|
||||
"image/bmp",
|
||||
"image/tiff",
|
||||
"image/jpeg"
|
||||
};
|
||||
|
||||
static struct X11DSState x11;
|
||||
struct X11DSState x11;
|
||||
|
||||
// forwards
|
||||
static void x11CBSelectionRequest(const XSelectionRequestEvent e);
|
||||
static void x11CBSelectionClear(const XSelectionClearEvent e);
|
||||
static void x11CBSelectionIncr(const XPropertyEvent e);
|
||||
static void x11CBSelectionNotify(const XSelectionEvent e);
|
||||
static void x11CBXFixesSelectionNotify(const XFixesSelectionNotifyEvent e);
|
||||
|
||||
static void x11SetFullscreen(bool fs);
|
||||
static int x11EventThread(void * unused);
|
||||
static void x11GenericEvent(XGenericEventCookie *cookie);
|
||||
@ -585,24 +519,12 @@ static int x11EventThread(void * unused)
|
||||
break;
|
||||
}
|
||||
|
||||
// clipboard events
|
||||
case SelectionRequest:
|
||||
x11CBSelectionRequest(xe.xselectionrequest);
|
||||
break;
|
||||
|
||||
case SelectionClear:
|
||||
x11CBSelectionClear(xe.xselectionclear);
|
||||
break;
|
||||
|
||||
case SelectionNotify:
|
||||
x11CBSelectionNotify(xe.xselection);
|
||||
break;
|
||||
|
||||
case PropertyNotify:
|
||||
case PropertyNotify:
|
||||
// ignore property events that are not for us
|
||||
if (xe.xproperty.display != x11.display ||
|
||||
xe.xproperty.window != x11.window ||
|
||||
xe.xproperty.state != PropertyNewValue)
|
||||
break;
|
||||
continue;
|
||||
|
||||
if (xe.xproperty.atom == x11.aNetWMState)
|
||||
{
|
||||
@ -654,26 +576,11 @@ static int x11EventThread(void * unused)
|
||||
XFree(data);
|
||||
break;
|
||||
}
|
||||
|
||||
if (xe.xproperty.atom == x11.aSelData)
|
||||
{
|
||||
if (x11.lowerBound == 0)
|
||||
break;
|
||||
|
||||
x11CBSelectionIncr(xe.xproperty);
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
if (xe.type == x11.eventBase + XFixesSelectionNotify)
|
||||
{
|
||||
XFixesSelectionNotifyEvent * sne = (XFixesSelectionNotifyEvent *)&xe;
|
||||
x11CBXFixesSelectionNotify(*sne);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
// call the clipboard handling code
|
||||
x11CBEventThread(xe);
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -1165,333 +1072,6 @@ static bool x11GetFullscreen(void)
|
||||
return x11.fullscreen;
|
||||
}
|
||||
|
||||
static bool x11CBInit()
|
||||
{
|
||||
x11.aSelection = XInternAtom(x11.display, "CLIPBOARD" , False);
|
||||
x11.aTargets = XInternAtom(x11.display, "TARGETS" , False);
|
||||
x11.aSelData = XInternAtom(x11.display, "SEL_DATA" , False);
|
||||
x11.aIncr = XInternAtom(x11.display, "INCR" , False);
|
||||
x11.aCurSelection = BadValue;
|
||||
|
||||
for(int i = 0; i < LG_CLIPBOARD_DATA_NONE; ++i)
|
||||
{
|
||||
x11.aTypes[i] = XInternAtom(x11.display, atomTypes[i], False);
|
||||
if (x11.aTypes[i] == BadAlloc || x11.aTypes[i] == BadValue)
|
||||
{
|
||||
DEBUG_ERROR("failed to get atom for type: %s", atomTypes[i]);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// use xfixes to get clipboard change notifications
|
||||
if (!XFixesQueryExtension(x11.display, &x11.eventBase, &x11.errorBase))
|
||||
{
|
||||
DEBUG_ERROR("failed to initialize xfixes");
|
||||
return false;
|
||||
}
|
||||
|
||||
XFixesSelectSelectionInput(x11.display, x11.window,
|
||||
XA_PRIMARY, XFixesSetSelectionOwnerNotifyMask);
|
||||
XFixesSelectSelectionInput(x11.display, x11.window,
|
||||
x11.aSelection, XFixesSetSelectionOwnerNotifyMask);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static void x11CBReplyFn(void * opaque, LG_ClipboardData type,
|
||||
uint8_t * data, uint32_t size)
|
||||
{
|
||||
XEvent *s = (XEvent *)opaque;
|
||||
|
||||
XChangeProperty(
|
||||
x11.display ,
|
||||
s->xselection.requestor,
|
||||
s->xselection.property ,
|
||||
s->xselection.target ,
|
||||
8,
|
||||
PropModeReplace,
|
||||
data,
|
||||
size);
|
||||
|
||||
XSendEvent(x11.display, s->xselection.requestor, 0, 0, s);
|
||||
XFlush(x11.display);
|
||||
free(s);
|
||||
}
|
||||
|
||||
static void x11CBSelectionRequest(const XSelectionRequestEvent e)
|
||||
{
|
||||
XEvent * s = (XEvent *)malloc(sizeof(XEvent));
|
||||
s->xselection.type = SelectionNotify;
|
||||
s->xselection.requestor = e.requestor;
|
||||
s->xselection.selection = e.selection;
|
||||
s->xselection.target = e.target;
|
||||
s->xselection.property = e.property;
|
||||
s->xselection.time = e.time;
|
||||
|
||||
if (!x11.haveRequest)
|
||||
goto nodata;
|
||||
|
||||
// target list requested
|
||||
if (e.target == x11.aTargets)
|
||||
{
|
||||
Atom targets[2];
|
||||
targets[0] = x11.aTargets;
|
||||
targets[1] = x11.aTypes[x11.type];
|
||||
|
||||
XChangeProperty(
|
||||
e.display,
|
||||
e.requestor,
|
||||
e.property,
|
||||
XA_ATOM,
|
||||
32,
|
||||
PropModeReplace,
|
||||
(unsigned char*)targets,
|
||||
sizeof(targets) / sizeof(Atom));
|
||||
|
||||
goto send;
|
||||
}
|
||||
|
||||
// look to see if we can satisfy the data type
|
||||
for(int i = 0; i < LG_CLIPBOARD_DATA_NONE; ++i)
|
||||
if (x11.aTypes[i] == e.target && x11.type == i)
|
||||
{
|
||||
// request the data
|
||||
app_clipboardRequest(x11CBReplyFn, s);
|
||||
return;
|
||||
}
|
||||
|
||||
nodata:
|
||||
// report no data
|
||||
s->xselection.property = None;
|
||||
|
||||
send:
|
||||
XSendEvent(x11.display, e.requestor, 0, 0, s);
|
||||
XFlush(x11.display);
|
||||
free(s);
|
||||
}
|
||||
|
||||
static void x11CBSelectionClear(const XSelectionClearEvent e)
|
||||
{
|
||||
if (e.selection != XA_PRIMARY && e.selection != x11.aSelection)
|
||||
return;
|
||||
|
||||
x11.aCurSelection = BadValue;
|
||||
app_clipboardRelease();
|
||||
return;
|
||||
}
|
||||
|
||||
static void x11CBSelectionIncr(const XPropertyEvent e)
|
||||
{
|
||||
Atom type;
|
||||
int format;
|
||||
unsigned long itemCount, after;
|
||||
unsigned char *data;
|
||||
|
||||
if (XGetWindowProperty(
|
||||
e.display,
|
||||
e.window,
|
||||
e.atom,
|
||||
0, ~0L, // start and length
|
||||
True, // delete the property
|
||||
x11.aIncr,
|
||||
&type,
|
||||
&format,
|
||||
&itemCount,
|
||||
&after,
|
||||
&data) != Success)
|
||||
{
|
||||
DEBUG_INFO("GetProp Failed");
|
||||
app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
|
||||
goto out;
|
||||
}
|
||||
|
||||
LG_ClipboardData dataType;
|
||||
for(dataType = 0; dataType < LG_CLIPBOARD_DATA_NONE; ++dataType)
|
||||
if (x11.aTypes[dataType] == type)
|
||||
break;
|
||||
|
||||
if (dataType == LG_CLIPBOARD_DATA_NONE)
|
||||
{
|
||||
DEBUG_WARN("clipboard data (%s) not in a supported format",
|
||||
XGetAtomName(x11.display, type));
|
||||
|
||||
x11.lowerBound = 0;
|
||||
app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (x11.incrStart)
|
||||
{
|
||||
app_clipboardNotify(dataType, x11.lowerBound);
|
||||
x11.incrStart = false;
|
||||
}
|
||||
|
||||
XFree(data);
|
||||
data = NULL;
|
||||
|
||||
if (XGetWindowProperty(
|
||||
e.display,
|
||||
e.window,
|
||||
e.atom,
|
||||
0, ~0L, // start and length
|
||||
True, // delete the property
|
||||
type,
|
||||
&type,
|
||||
&format,
|
||||
&itemCount,
|
||||
&after,
|
||||
&data) != Success)
|
||||
{
|
||||
DEBUG_ERROR("XGetWindowProperty Failed");
|
||||
app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
|
||||
goto out;
|
||||
}
|
||||
|
||||
app_clipboardData(dataType, data, itemCount);
|
||||
x11.lowerBound -= itemCount;
|
||||
|
||||
out:
|
||||
if (data)
|
||||
XFree(data);
|
||||
}
|
||||
|
||||
static void x11CBXFixesSelectionNotify(const XFixesSelectionNotifyEvent e)
|
||||
{
|
||||
// check if the selection is valid and it isn't ourself
|
||||
if ((e.selection != XA_PRIMARY && e.selection != x11.aSelection) ||
|
||||
e.owner == x11.window || e.owner == 0)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// remember which selection we are working with
|
||||
x11.aCurSelection = e.selection;
|
||||
XConvertSelection(
|
||||
x11.display,
|
||||
e.selection,
|
||||
x11.aTargets,
|
||||
x11.aTargets,
|
||||
x11.window,
|
||||
CurrentTime);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static void x11CBSelectionNotify(const XSelectionEvent e)
|
||||
{
|
||||
if (e.property == None)
|
||||
return;
|
||||
|
||||
Atom type;
|
||||
int format;
|
||||
unsigned long itemCount, after;
|
||||
unsigned char *data;
|
||||
|
||||
if (XGetWindowProperty(
|
||||
e.display,
|
||||
e.requestor,
|
||||
e.property,
|
||||
0, ~0L, // start and length
|
||||
True , // delete the property
|
||||
AnyPropertyType,
|
||||
&type,
|
||||
&format,
|
||||
&itemCount,
|
||||
&after,
|
||||
&data) != Success)
|
||||
{
|
||||
app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (type == x11.aIncr)
|
||||
{
|
||||
x11.incrStart = true;
|
||||
x11.lowerBound = *(unsigned int *)data;
|
||||
goto out;
|
||||
}
|
||||
|
||||
// the target list
|
||||
if (e.property == x11.aTargets)
|
||||
{
|
||||
// the format is 32-bit and we must have data
|
||||
// this is technically incorrect however as it's
|
||||
// an array of padded 64-bit values
|
||||
if (!data || format != 32)
|
||||
goto out;
|
||||
|
||||
// see if we support any of the targets listed
|
||||
const uint64_t * targets = (const uint64_t *)data;
|
||||
for(unsigned long i = 0; i < itemCount; ++i)
|
||||
{
|
||||
for(int n = 0; n < LG_CLIPBOARD_DATA_NONE; ++n)
|
||||
if (x11.aTypes[n] == targets[i])
|
||||
{
|
||||
// we have a match, so send the notification
|
||||
app_clipboardNotify(n, 0);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
// no matches
|
||||
app_clipboardNotify(LG_CLIPBOARD_DATA_NONE, 0);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (e.property == x11.aSelData)
|
||||
{
|
||||
LG_ClipboardData dataType;
|
||||
for(dataType = 0; dataType < LG_CLIPBOARD_DATA_NONE; ++dataType)
|
||||
if (x11.aTypes[dataType] == type)
|
||||
break;
|
||||
|
||||
if (dataType == LG_CLIPBOARD_DATA_NONE)
|
||||
{
|
||||
DEBUG_WARN("clipboard data (%s) not in a supported format",
|
||||
XGetAtomName(x11.display, type));
|
||||
goto out;
|
||||
}
|
||||
|
||||
app_clipboardData(dataType, data, itemCount);
|
||||
goto out;
|
||||
}
|
||||
|
||||
out:
|
||||
if (data)
|
||||
XFree(data);
|
||||
}
|
||||
|
||||
static void x11CBNotice(LG_ClipboardData type)
|
||||
{
|
||||
x11.haveRequest = true;
|
||||
x11.type = type;
|
||||
XSetSelectionOwner(x11.display, XA_PRIMARY , x11.window, CurrentTime);
|
||||
XSetSelectionOwner(x11.display, x11.aSelection, x11.window, CurrentTime);
|
||||
XFlush(x11.display);
|
||||
}
|
||||
|
||||
static void x11CBRelease(void)
|
||||
{
|
||||
x11.haveRequest = false;
|
||||
XSetSelectionOwner(x11.display, XA_PRIMARY , None, CurrentTime);
|
||||
XSetSelectionOwner(x11.display, x11.aSelection, None, CurrentTime);
|
||||
XFlush(x11.display);
|
||||
}
|
||||
|
||||
static void x11CBRequest(LG_ClipboardData type)
|
||||
{
|
||||
if (x11.aCurSelection == BadValue)
|
||||
return;
|
||||
|
||||
XConvertSelection(
|
||||
x11.display,
|
||||
x11.aCurSelection,
|
||||
x11.aTypes[type],
|
||||
x11.aSelData,
|
||||
x11.window,
|
||||
CurrentTime);
|
||||
}
|
||||
|
||||
struct LG_DisplayServerOps LGDS_X11 =
|
||||
{
|
||||
.setup = x11Setup,
|
||||
|
||||
68
client/displayservers/X11/x11.h
Normal file
68
client/displayservers/X11/x11.h
Normal file
@ -0,0 +1,68 @@
|
||||
/*
|
||||
Looking Glass - KVM FrameRelay (KVMFR) Client
|
||||
Copyright (C) 2017-2021 Geoffrey McRae <geoff@hostfission.com>
|
||||
https://looking-glass.hostfission.com
|
||||
|
||||
This program is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License as published by the Free Software
|
||||
Foundation; either version 2 of the License, or (at your option) any later
|
||||
version.
|
||||
|
||||
This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License along with
|
||||
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
||||
Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#ifndef _H_X11DS_X11_
|
||||
#define _H_X11DS_X11_
|
||||
|
||||
#include <X11/Xlib.h>
|
||||
#include <X11/Xatom.h>
|
||||
|
||||
#include "common/thread.h"
|
||||
#include "common/types.h"
|
||||
|
||||
struct X11DSState
|
||||
{
|
||||
Display * display;
|
||||
Window window;
|
||||
XVisualInfo * visual;
|
||||
int xinputOp;
|
||||
|
||||
LGThread * eventThread;
|
||||
|
||||
int pointerDev;
|
||||
int keyboardDev;
|
||||
|
||||
bool pointerGrabbed;
|
||||
bool keyboardGrabbed;
|
||||
bool entered;
|
||||
bool focused;
|
||||
bool fullscreen;
|
||||
|
||||
struct Rect rect;
|
||||
struct Border border;
|
||||
|
||||
Cursor blankCursor;
|
||||
Cursor squareCursor;
|
||||
|
||||
Atom aNetReqFrameExtents;
|
||||
Atom aNetFrameExtents;
|
||||
Atom aNetWMState;
|
||||
Atom aNetWMStateFullscreen;
|
||||
Atom aNetWMWindowType;
|
||||
Atom aNetWMWindowTypeNormal;
|
||||
Atom aWMDeleteWindow;
|
||||
|
||||
// XFixes vars
|
||||
int eventBase;
|
||||
int errorBase;
|
||||
};
|
||||
|
||||
extern struct X11DSState x11;
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user