mirror of
https://github.com/gnif/LookingGlass.git
synced 2025-10-18 05:18:09 +00:00
[client] x11: split out clipboard code for maintainabillity
This commit is contained in:
Geoffrey McRae
@@ -19,15 +19,15 @@ Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
#include "interface/displayserver.h"
|
||||
|
||||
#include <stdbool.h>
|
||||
#include "x11.h"
|
||||
#include "clipboard.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <X11/Xlib.h>
|
||||
#include <X11/Xatom.h>
|
||||
#include <X11/extensions/Xfixes.h>
|
||||
#include <X11/extensions/XInput2.h>
|
||||
#include <X11/extensions/scrnsaver.h>
|
||||
#include <X11/extensions/Xfixes.h>
|
||||
#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,
|
||||
|
||||
Reference in New Issue
Block a user