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libs-back/Source/x11/XGServerEvent.m
Adam Fedor 6d61d85e11 Correct off-by-one error 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@18098 72102866-910b-0410-8b05-ffd578937521
2003-11-19 16:08:52 +00:00

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57 KiB
Objective-C
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/*
XGServerEvent - Window/Event code for X11 backends.
Copyright (C) 1998,1999 Free Software Foundation, Inc.
Written by: Adam Fedor <fedor@boulder.colorado.edu>
Date: Nov 1998
This file is part of the GNU Objective C User Interface Library.
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.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include <AppKit/AppKitExceptions.h>
#include <AppKit/NSApplication.h>
#include <AppKit/NSGraphics.h>
#include <AppKit/NSMenu.h>
#include <AppKit/NSWindow.h>
#include <Foundation/NSException.h>
#include <Foundation/NSArray.h>
#include <Foundation/NSDictionary.h>
#include <Foundation/NSData.h>
#include <Foundation/NSNotification.h>
#include <Foundation/NSValue.h>
#include <Foundation/NSString.h>
#include <Foundation/NSUserDefaults.h>
#include <Foundation/NSRunLoop.h>
#include <Foundation/NSDebug.h>
#include "x11/XGServerWindow.h"
#include "x11/XGInputServer.h"
#include "x11/XGDragView.h"
#include "x11/XGGeneric.h"
#include "x11/xdnd.h"
#ifdef HAVE_WRASTER_H
#include "wraster.h"
#else
#include "x11/wraster.h"
#endif
#include "math.h"
#include <X11/keysym.h>
#include <X11/Xproto.h>
#if LIB_FOUNDATION_LIBRARY
# include <Foundation/NSPosixFileDescriptor.h>
#elif defined(NeXT_PDO)
# include <Foundation/NSFileHandle.h>
# include <Foundation/NSNotification.h>
#endif
#define cWin ((gswindow_device_t*)generic.cachedWindow)
extern Atom WM_STATE;
// NumLock's mask (it depends on the keyboard mapping)
static unsigned int _num_lock_mask;
// Modifier state
static char _control_pressed = 0;
static char _command_pressed = 0;
static char _alt_pressed = 0;
// Keys used for the modifiers (you may set them with user preferences)
static KeyCode _control_keycodes[2];
static KeyCode _command_keycodes[2];
static KeyCode _alt_keycodes[2];
static BOOL _is_keyboard_initialized = NO;
void __objc_xgcontextevent_linking (void)
{
}
static SEL procSel = 0;
static void (*procEvent)(id, SEL, XEvent*) = 0;
@interface XGServer (Private)
- (void) receivedEvent: (void*)data
type: (RunLoopEventType)type
extra: (void*)extra
forMode: (NSString*)mode;
- (void) setupRunLoopInputSourcesForMode: (NSString*)mode;
- (NSDate*) timedOutEvent: (void*)data
type: (RunLoopEventType)type
forMode: (NSString*)mode;
- (int) XGErrorHandler: (Display*)display : (XErrorEvent*)err;
- (void) processEvent: (XEvent *) event;
- (NSEvent *)_handleTakeFocusAtom: (XEvent)xEvent
forContext: (NSGraphicsContext *)gcontext;
@end
int
XGErrorHandler(Display *display, XErrorEvent *err)
{
XGServer *ctxt = (XGServer*)GSCurrentServer();
return [ctxt XGErrorHandler: display : err];
}
static NSEvent*process_key_event (XEvent* xEvent, XGServer* ctxt,
NSEventType eventType);
static unichar process_char (KeySym keysym, unsigned *eventModifierFlags);
static unsigned process_modifier_flags(unsigned int state);
static void initialize_keyboard (void);
static void set_up_num_lock (void);
static inline int check_modifier (XEvent *xEvent, KeyCode key_code)
{
return (xEvent->xkeymap.key_vector[key_code / 8] & (1 << (key_code % 8)));
}
@implementation XGServer (EventOps)
- (int) XGErrorHandler: (Display*)display : (XErrorEvent*)err
{
int length = 1024;
char buffer[length+1];
/*
* Ignore attempts to set input focus to unmapped window, except for noting
* if the most recent request failed (mark the request serial number to 0)
* in which case we should repeat the request when the window becomes
* mapped again.
*/
if (err->error_code == BadMatch && err->request_code == X_SetInputFocus)
{
if (err->serial == generic.focusRequestNumber)
{
generic.focusRequestNumber = 0;
}
return 0;
}
XGetErrorText(display, err->error_code, buffer, length);
if (err->type == 0
&& GSDebugSet(@"XSynchronize") == NO)
{
NSLog(@"X-Windows error - %s\n\
on display: %s\n\
type: %d\n\
serial number: %d\n\
request code: %d\n",
buffer,
XDisplayName(DisplayString(display)),
err->type, err->serial, err->request_code);
return 0;
}
[NSException raise: NSWindowServerCommunicationException
format: @"X-Windows error - %s\n\
on display: %s\n\
type: %d\n\
serial number: %d\n\
request code: %d\n",
buffer,
XDisplayName(DisplayString(display)),
err->type, err->serial, err->request_code];
return 0;
}
- (void) setupRunLoopInputSourcesForMode: (NSString*)mode
{
int xEventQueueFd = XConnectionNumber(dpy);
NSRunLoop *currentRunLoop = [NSRunLoop currentRunLoop];
#if defined(LIB_FOUNDATION_LIBRARY)
{
id fileDescriptor = [[[NSPosixFileDescriptor alloc]
initWithFileDescriptor: xEventQueueFd]
autorelease];
// Invoke limitDateForMode: to setup the current
// mode of the run loop (the doc says that this
// method and acceptInputForMode: beforeDate: are
// the only ones that setup the current mode).
[currentRunLoop limitDateForMode: mode];
[fileDescriptor setDelegate: self];
[fileDescriptor monitorFileActivity: NSPosixReadableActivity];
}
#elif defined(NeXT_PDO)
{
id fileDescriptor = [[[NSFileHandle alloc]
initWithFileDescriptor: xEventQueueFd]
autorelease];
[[NSNotificationCenter defaultCenter] addObserver: self
selector: @selector(activityOnFileHandle: )
name: NSFileHandleDataAvailableNotification
object: fileDescriptor];
[fileDescriptor waitForDataInBackgroundAndNotifyForModes:
[NSArray arrayWithObject: mode]];
}
#else
[currentRunLoop addEvent: (void*)(gsaddr)xEventQueueFd
type: ET_RDESC
watcher: (id<RunLoopEvents>)self
forMode: mode];
#endif
if (procSel == 0)
{
procSel = @selector(processEvent:);
procEvent = (void (*)(id, SEL, XEvent*))
[self methodForSelector: procSel];
}
}
#if LIB_FOUNDATION_LIBRARY
- (void) activity: (NSPosixFileActivities)activity
posixFileDescriptor: (NSPosixFileDescriptor*)fileDescriptor
{
[self receivedEvent: 0 type: 0 extra: 0 forMode: nil];
}
#elif defined(NeXT_PDO)
- (void) activityOnFileHandle: (NSNotification*)notification
{
id fileDescriptor = [notification object];
id runLoopMode = [[NSRunLoop currentRunLoop] currentMode];
[fileDescriptor waitForDataInBackgroundAndNotifyForModes:
[NSArray arrayWithObject: runLoopMode]];
[self receivedEvent: 0 type: 0 extra: 0 forMode: nil];
}
#endif
- (void) receivedEvent: (void*)data
type: (RunLoopEventType)type
extra: (void*)extra
forMode: (NSString*)mode
{
XEvent xEvent;
// loop and grab all of the events from the X queue
while (XPending(dpy) > 0)
{
XNextEvent(dpy, &xEvent);
#ifdef USE_XIM
if (XFilterEvent(&xEvent, None))
{
NSDebugLLog(@"NSKeyEvent", @"Event filtered (by XIM?)\n");
continue;
}
#endif
(*procEvent)(self, procSel, &xEvent);
}
}
- (void) processEvent: (XEvent *) event
{
static int clickCount = 1;
static unsigned int eventFlags;
NSEvent *e = nil;
XEvent xEvent;
static NSPoint eventLocation;
NSWindow *nswin;
Window xWin;
NSEventType eventType;
NSGraphicsContext *gcontext;
float deltaX;
float deltaY;
gcontext = GSCurrentContext();
xEvent = *event;
switch (xEvent.type)
{
// mouse button events
case ButtonPress:
NSDebugLLog(@"NSEvent", @"%d ButtonPress: \
xEvent.xbutton.time %u timeOfLastClick %u \n",
xEvent.xbutton.window, xEvent.xbutton.time,
generic.lastClick);
/*
* hardwired test for a double click
*
* For multiple clicks, the clicks must remain in the same
* region of the same window and must occur in a limited time.
*
* default time of 300 should be user set;
* perhaps the movement of 3 should also be a preference?
*/
{
BOOL incrementCount = YES;
#define CLICK_TIME 300
#define CLICK_MOVE 3
if (xEvent.xbutton.time
>= (unsigned long)(generic.lastClick + CLICK_TIME))
incrementCount = NO;
else if (generic.lastClickWindow != xEvent.xbutton.window)
incrementCount = NO;
else if ((generic.lastClickX - xEvent.xbutton.x) > CLICK_MOVE)
incrementCount = NO;
else if ((generic.lastClickX - xEvent.xbutton.x) < -CLICK_MOVE)
incrementCount = NO;
else if ((generic.lastClickY - xEvent.xbutton.y) > CLICK_MOVE)
incrementCount = NO;
else if ((generic.lastClickY - xEvent.xbutton.y) < -CLICK_MOVE)
incrementCount = NO;
if (incrementCount == YES)
{
clickCount++;
}
else
{
/*
* Not a multiple-click, so we must set the stored
* location of the click to the new values and
* reset the counter.
*/
clickCount = 1;
generic.lastClickWindow = xEvent.xbutton.window;
generic.lastClickX = xEvent.xbutton.x;
generic.lastClickY = xEvent.xbutton.y;
}
}
generic.lastClick = xEvent.xbutton.time;
generic.lastTime = generic.lastClick;
deltaY = 0.0;
if (xEvent.xbutton.button == generic.lMouse)
eventType = NSLeftMouseDown;
else if (xEvent.xbutton.button == generic.rMouse
&& generic.rMouse != 0)
eventType = NSRightMouseDown;
else if (xEvent.xbutton.button == generic.mMouse
&& generic.mMouse != 0)
eventType = NSOtherMouseDown;
else if (xEvent.xbutton.button == generic.upMouse
&& generic.upMouse != 0)
{
deltaY = 1.;
eventType = NSScrollWheel;
}
else if (xEvent.xbutton.button == generic.downMouse
&& generic.downMouse != 0)
{
deltaY = -1.;
eventType = NSScrollWheel;
}
else
{
break; /* Unknown button */
}
eventFlags = process_modifier_flags(xEvent.xbutton.state);
// if pointer is grabbed use grab window
xWin = (grabWindow == 0) ? xEvent.xbutton.window : grabWindow;
if (cWin == 0 || xWin != cWin->ident)
cWin = [XGServer _windowForXWindow: xWin];
if (cWin == 0)
break;
eventLocation.x = xEvent.xbutton.x;
eventLocation.y = NSHeight(cWin->xframe)-xEvent.xbutton.y;
if (generic.flags.useWindowMakerIcons == 1)
{
/*
* We must hand over control of our icon/miniwindow
* to Window Maker.
*/
if ((cWin->win_attrs.window_style
& (NSMiniWindowMask | NSIconWindowMask)) != 0
&& eventType == NSLeftMouseDown && clickCount == 1)
{
if (cWin->parent == None)
break;
xEvent.xbutton.window = cWin->parent;
XUngrabPointer(dpy, CurrentTime);
XSendEvent(dpy, cWin->parent, True,
ButtonPressMask, &xEvent );
XFlush(dpy);
break;
}
}
// create NSEvent
e = [NSEvent mouseEventWithType: eventType
location: eventLocation
modifierFlags: eventFlags
timestamp: (NSTimeInterval)generic.lastClick
windowNumber: cWin->number
context: gcontext
eventNumber: xEvent.xbutton.serial
clickCount: clickCount
pressure: 1.0
buttonNumber: 0 /* FIXME */
deltaX: 0.
deltaY: deltaY
deltaZ: 0.];
break;
case ButtonRelease:
NSDebugLLog(@"NSEvent", @"%d ButtonRelease\n",
xEvent.xbutton.window);
generic.lastTime = xEvent.xbutton.time;
if (xEvent.xbutton.button == generic.lMouse)
eventType = NSLeftMouseUp;
else if (xEvent.xbutton.button == generic.rMouse
&& generic.rMouse != 0)
eventType = NSRightMouseUp;
else if (xEvent.xbutton.button == generic.mMouse
&& generic.mMouse != 0)
eventType = NSOtherMouseUp;
else
{
// we ignore release of scrollUp or scrollDown
break; /* Unknown button */
}
eventFlags = process_modifier_flags(xEvent.xbutton.state);
// if pointer is grabbed use grab window
xWin = (grabWindow == 0) ? xEvent.xbutton.window : grabWindow;
if (cWin == 0 || xWin != cWin->ident)
cWin = [XGServer _windowForXWindow: xWin];
if (cWin == 0)
break;
eventLocation.x = xEvent.xbutton.x;
eventLocation.y = NSHeight(cWin->xframe)-xEvent.xbutton.y;
e = [NSEvent mouseEventWithType: eventType
location: eventLocation
modifierFlags: eventFlags
timestamp: (NSTimeInterval)generic.lastTime
windowNumber: cWin->number
context: gcontext
eventNumber: xEvent.xbutton.serial
clickCount: clickCount
pressure: 1.0
buttonNumber: 0 /* FIXMME */
deltaX: 0.0
deltaY: 0.0
deltaZ: 0.0];
break;
case CirculateNotify:
NSDebugLLog(@"NSEvent", @"%d CirculateNotify\n",
xEvent.xcirculate.window);
break;
case CirculateRequest:
NSDebugLLog(@"NSEvent", @"%d CirculateRequest\n",
xEvent.xcirculaterequest.window);
break;
case ClientMessage:
{
NSTimeInterval time;
DndClass dnd = xdnd ();
NSDebugLLog(@"NSEvent", @"%d ClientMessage\n",
xEvent.xclient.window);
if (cWin == 0 || xEvent.xclient.window != cWin->ident)
cWin = [XGServer _windowForXWindow: xEvent.xclient.window];
if (cWin == 0)
break;
if (xEvent.xclient.message_type == generic.protocols_atom)
{
generic.lastTime = (Time)xEvent.xclient.data.l[1];
NSDebugLLog(@"NSEvent", @"WM Protocol - %s\n",
XGetAtomName(dpy, xEvent.xclient.data.l[0]));
if ((Atom)xEvent.xclient.data.l[0] == generic.delete_win_atom)
{
/*
* WM is asking us to close a window
*/
eventLocation = NSMakePoint(0,0);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitWindowClose
data1: 0
data2: 0];
}
else if ((Atom)xEvent.xclient.data.l[0]
== generic.miniaturize_atom)
{
eventLocation = NSMakePoint(0,0);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitWindowMiniaturize
data1: 0
data2: 0];
}
else if ((Atom)xEvent.xclient.data.l[0]
== generic.take_focus_atom)
{
e = [self _handleTakeFocusAtom: xEvent
forContext: gcontext];
}
}
else if (xEvent.xclient.message_type == dnd.XdndEnter)
{
Window source;
NSDebugLLog(@"NSDragging", @" XdndEnter message\n");
source = XDND_ENTER_SOURCE_WIN(&xEvent);
eventLocation = NSMakePoint(0,0);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitDraggingEnter
data1: source
data2: 0];
/* If this is a non-local drag, set the dragInfo */
if ([XGServer _windowForXWindow: source] == NULL)
{
[[XGDragView sharedDragView] setupDragInfoFromXEvent:
&xEvent];
}
}
else if (xEvent.xclient.message_type == dnd.XdndPosition)
{
Window source;
Atom action;
NSDragOperation operation;
NSDebugLLog(@"NSDragging", @" XdndPosition message\n");
source = XDND_POSITION_SOURCE_WIN(&xEvent);
eventLocation.x = XDND_POSITION_ROOT_X(&xEvent) -
NSMinX(cWin->xframe);
eventLocation.y = XDND_POSITION_ROOT_Y(&xEvent) -
NSMinY(cWin->xframe);
eventLocation.y = NSHeight(cWin->xframe) -
eventLocation.y;
time = XDND_POSITION_TIME(&xEvent);
action = XDND_POSITION_ACTION(&xEvent);
operation = GSDragOperationForAction(action);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: time
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitDraggingUpdate
data1: source
data2: operation];
/* If this is a non-local drag, update the dragInfo */
if ([XGServer _windowForXWindow: source] == NULL)
{
[[XGDragView sharedDragView] updateDragInfoFromEvent:
e];
}
}
else if (xEvent.xclient.message_type == dnd.XdndStatus)
{
Window target;
Atom action;
NSDragOperation operation;
NSDebugLLog(@"NSDragging", @" XdndStatus message\n");
target = XDND_STATUS_TARGET_WIN(&xEvent);
eventLocation = NSMakePoint(0, 0);
if (XDND_STATUS_WILL_ACCEPT (&xEvent))
{
action = XDND_STATUS_ACTION(&xEvent);
}
else
{
action = NSDragOperationNone;
}
operation = GSDragOperationForAction(action);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitDraggingStatus
data1: target
data2: operation];
}
else if (xEvent.xclient.message_type == dnd.XdndLeave)
{
Window source;
NSDebugLLog(@"NSDragging", @" XdndLeave message\n");
source = XDND_LEAVE_SOURCE_WIN(&xEvent);
eventLocation = NSMakePoint(0, 0);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitDraggingExit
data1: 0
data2: 0];
/* If this is a non-local drag, reset the dragInfo */
if ([XGServer _windowForXWindow: source] == NULL)
{
[[XGDragView sharedDragView] resetDragInfo];
}
}
else if (xEvent.xclient.message_type == dnd.XdndDrop)
{
Window source;
NSDebugLLog(@"NSDragging", @" XdndDrop message\n");
source = XDND_DROP_SOURCE_WIN(&xEvent);
eventLocation = NSMakePoint(0, 0);
time = XDND_DROP_TIME(&xEvent);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: time
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitDraggingDrop
data1: source
data2: 0];
}
else if (xEvent.xclient.message_type == dnd.XdndFinished)
{
Window target;
NSDebugLLog(@"NSDragging", @" XdndFinished message\n");
target = XDND_FINISHED_TARGET_WIN(&xEvent);
eventLocation = NSMakePoint(0, 0);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitDraggingFinished
data1: target
data2: 0];
}
}
break;
case ColormapNotify:
// colormap attribute
NSDebugLLog(@"NSEvent", @"%d ColormapNotify\n",
xEvent.xcolormap.window);
break;
// the window has been resized, change the width and height
// and update the window so the changes get displayed
case ConfigureNotify:
NSDebugLLog(@"NSEvent", @"%d ConfigureNotify "
@"x:%d y:%d w:%d h:%d b:%d %c", xEvent.xconfigure.window,
xEvent.xconfigure.x, xEvent.xconfigure.y,
xEvent.xconfigure.width, xEvent.xconfigure.height,
xEvent.xconfigure.border_width,
xEvent.xconfigure.send_event ? 'T' : 'F');
if (cWin == 0 || xEvent.xconfigure.window != cWin->ident)
cWin = [XGServer _windowForXWindow:xEvent.xconfigure.window];
/*
* Ignore events for unmapped windows.
*/
if (cWin != 0 && cWin->map_state == IsViewable)
{
NSRect r, x, n, h;
NSTimeInterval ts = (NSTimeInterval)generic.lastMotion;
/*
* Get OpenStep frame coordinates from X frame.
* If it's not from the window mmanager, ignore x and y.
*/
r = cWin->xframe;
if (xEvent.xconfigure.send_event == 0)
{
x = NSMakeRect(r.origin.x, r.origin.y,
xEvent.xconfigure.width, xEvent.xconfigure.height);
}
else
{
x = NSMakeRect(xEvent.xconfigure.x,
xEvent.xconfigure.y,
xEvent.xconfigure.width,
xEvent.xconfigure.height);
cWin->xframe.origin = x.origin;
}
n = [self _XFrameToOSFrame: x for: cWin];
NSDebugLLog(@"Moving",
@"Update win %d:\n original:%@\n new:%@",
cWin->number, NSStringFromRect(r),
NSStringFromRect(x));
/*
* Set size hints info to be up to date with new size.
*/
h = [self _OSFrameToXHints: n for: cWin];
cWin->siz_hints.width = h.size.width;
cWin->siz_hints.height = h.size.height;
//if (xEvent.xconfigure.send_event != 0)
{
cWin->siz_hints.x = h.origin.x;
cWin->siz_hints.y = h.origin.y;
}
/*
* create GNUstep event(s)
*/
if (!NSEqualSizes(r.size, x.size))
{
/* Resize events move the origin. There's no goo
place to pass this info back, so we put it in
the event location field */
e = [NSEvent otherEventWithType: NSAppKitDefined
location: n.origin
modifierFlags: eventFlags
timestamp: ts
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitWindowResized
data1: n.size.width
data2: n.size.height];
}
if (!NSEqualPoints(r.origin, x.origin))
{
if (e != nil)
{
[event_queue addObject: e];
}
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: eventFlags
timestamp: ts
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitWindowMoved
data1: n.origin.x
data2: n.origin.y];
}
}
break;
// same as ConfigureNotify but we get this event
// before the change has actually occurred
case ConfigureRequest:
NSDebugLLog(@"NSEvent", @"%d ConfigureRequest\n",
xEvent.xconfigurerequest.window);
break;
// a window has been created
case CreateNotify:
NSDebugLLog(@"NSEvent", @"%d CreateNotify\n",
xEvent.xcreatewindow.window);
break;
// a window has been destroyed
case DestroyNotify:
NSDebugLLog(@"NSEvent", @"%d DestroyNotify\n",
xEvent.xdestroywindow.window);
break;
// when the pointer enters a window
case EnterNotify:
NSDebugLLog(@"NSEvent", @"%d EnterNotify\n",
xEvent.xcrossing.window);
break;
// when the pointer leaves a window
case LeaveNotify:
NSDebugLLog(@"NSEvent", @"%d LeaveNotify\n",
xEvent.xcrossing.window);
if (cWin == 0 || xEvent.xcrossing.window != cWin->ident)
cWin = [XGServer _windowForXWindow: xEvent.xcrossing.window];
if (cWin == 0)
break;
eventLocation = NSMakePoint(-1,-1);
e = [NSEvent otherEventWithType: NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitWindowLeave
data1: 0
data2: 0];
break;
// the visibility of a window has changed
case VisibilityNotify:
NSDebugLLog(@"NSEvent", @"%d VisibilityNotify %d\n",
xEvent.xvisibility.window, xEvent.xvisibility.state);
if (cWin == 0 || xEvent.xvisibility.window != cWin->ident)
cWin=[XGServer _windowForXWindow:xEvent.xvisibility.window];
if (cWin != 0)
cWin->visibility = xEvent.xvisibility.state;
break;
// a portion of the window has become visible and
// we must redisplay it
case Expose:
NSDebugLLog(@"NSEvent", @"%d Expose\n",
xEvent.xexpose.window);
{
if (cWin == 0 || xEvent.xexpose.window != cWin->ident)
cWin=[XGServer _windowForXWindow:xEvent.xexpose.window];
if (cWin != 0)
{
XRectangle rectangle;
rectangle.x = xEvent.xexpose.x;
rectangle.y = xEvent.xexpose.y;
rectangle.width = xEvent.xexpose.width;
rectangle.height = xEvent.xexpose.height;
NSDebugLLog(@"NSEvent", @"Expose frame %d %d %d %d\n",
rectangle.x, rectangle.y,
rectangle.width, rectangle.height);
[self _addExposedRectangle: rectangle : cWin->number];
if (xEvent.xexpose.count == 0)
[self _processExposedRectangles: cWin->number];
}
break;
}
// keyboard focus entered a window
case FocusIn:
NSDebugLLog(@"NSEvent", @"%d FocusIn\n",
xEvent.xfocus.window);
if (cWin == 0 || xEvent.xfocus.window != cWin->ident)
cWin=[XGServer _windowForXWindow:xEvent.xfocus.window];
if (cWin == 0)
break;
NSDebugLLog(@"Focus", @"%d got focus on %d\n",
xEvent.xfocus.window, cWin->number);
generic.currentFocusWindow = cWin->number;
if (xEvent.xfocus.serial == generic.focusRequestNumber)
{
/*
* This is a response to our own request - so we mark the
* request as complete.
*/
generic.desiredFocusWindow = 0;
generic.focusRequestNumber = 0;
}
break;
// keyboard focus left a window
case FocusOut:
{
Window fw;
int rev;
/*
* See where the focus has moved to -
* If it has gone to 'none' or 'PointerRoot' then
* it's not one of ours.
* If it has gone to our root window - use the icon window.
* If it has gone to a window - we see if it is one of ours.
*/
XGetInputFocus(xEvent.xfocus.display, &fw, &rev);
NSDebugLLog(@"NSEvent", @"%d FocusOut\n",
xEvent.xfocus.window);
generic.cachedWindow = [XGServer _windowForXWindow: fw];
if (cWin == 0)
{
cWin = [XGServer _windowForXParent: fw];
}
if (cWin == 0)
{
nswin = nil;
}
else
{
nswin = GSWindowWithNumber(cWin->number);
}
NSDebugLLog(@"Focus", @"Focus went to %d (xwin %d)\n",
(cWin) ? cWin->number : 0, fw);
if (nswin == nil)
{
if (fw == 0)
{
/* What? This is bogus. Focus has to go somewhere. */
}
else
{
[NSApp deactivate];
}
}
cWin = [XGServer _windowForXWindow: xEvent.xfocus.window];
NSDebugLLog(@"Focus", @"%d lost focus on %d\n",
xEvent.xfocus.window, (cWin) ? cWin->number : 0);
generic.currentFocusWindow = 0;
if (cWin && generic.desiredFocusWindow == cWin->number)
{
/* Request not valid anymore since we lost focus */
generic.focusRequestNumber = 0;
}
}
break;
case GraphicsExpose:
NSDebugLLog(@"NSEvent", @"%d GraphicsExpose\n",
xEvent.xexpose.window);
break;
case NoExpose:
NSDebugLLog(@"NSEvent", @"NoExpose\n");
break;
// window is moved because of a change in the size of its parent
case GravityNotify:
NSDebugLLog(@"NSEvent", @"%d GravityNotify\n",
xEvent.xgravity.window);
break;
// a key has been pressed
case KeyPress:
NSDebugLLog(@"NSEvent", @"%d KeyPress\n",
xEvent.xkey.window);
generic.lastTime = xEvent.xkey.time;
e = process_key_event (&xEvent, self, NSKeyDown);
break;
// a key has been released
case KeyRelease:
NSDebugLLog(@"NSEvent", @"%d KeyRelease\n",
xEvent.xkey.window);
generic.lastTime = xEvent.xkey.time;
e = process_key_event (&xEvent, self, NSKeyUp);
break;
// reports the state of the keyboard when pointer or
// focus enters a window
case KeymapNotify:
NSDebugLLog(@"NSEvent", @"%d KeymapNotify\n",
xEvent.xkeymap.window);
// Check if control is pressed
_control_pressed = 0;
if (_control_keycodes[0]
&& check_modifier (&xEvent, _control_keycodes[0]))
{
_control_pressed |= 1;
}
if (_control_keycodes[1]
&& check_modifier (&xEvent, _control_keycodes[1]))
{
_control_pressed |= 2;
}
// Check if command is pressed
_command_pressed = 0;
if (_command_keycodes[0]
&& check_modifier (&xEvent, _command_keycodes[0]))
{
_command_pressed |= 1;
}
if (_command_keycodes[1]
&& check_modifier (&xEvent, _command_keycodes[1]))
{
_command_pressed = 2;
}
// Check if alt is pressed
_alt_pressed = 0;
if (_alt_keycodes[0]
&& check_modifier (&xEvent, _alt_keycodes[0]))
{
_alt_pressed |= 1;
}
if (_alt_keycodes[1]
&& check_modifier (&xEvent, _alt_keycodes[1]))
{
_alt_pressed |= 2;
}
break;
// when a window changes state from ummapped to
// mapped or vice versa
case MapNotify:
NSDebugLLog(@"NSEvent", @"%d MapNotify\n",
xEvent.xmap.window);
if (cWin == 0 || xEvent.xmap.window != cWin->ident)
cWin=[XGServer _windowForXWindow:xEvent.xmap.window];
if (cWin != 0)
{
cWin->map_state = IsViewable;
/*
* if the window that was just mapped wants the input
* focus, re-do the request.
*/
if (generic.desiredFocusWindow == cWin->number
&& generic.focusRequestNumber == 0)
{
NSDebugLLog(@"Focus", @"Refocusing %d on map notify",
cWin->number);
[self setinputfocus: cWin->number];
}
/*
* Make sure that the newly mapped window displays.
*/
nswin = GSWindowWithNumber(cWin->number);
[nswin update];
}
break;
// Window is no longer visible.
case UnmapNotify:
NSDebugLLog(@"NSEvent", @"%d UnmapNotify\n",
xEvent.xunmap.window);
if (cWin == 0 || xEvent.xunmap.window != cWin->ident)
cWin=[XGServer _windowForXWindow:xEvent.xunmap.window];
if (cWin != 0)
{
cWin->map_state = IsUnmapped;
cWin->visibility = -1;
}
break;
// like MapNotify but occurs before the request is carried out
case MapRequest:
NSDebugLLog(@"NSEvent", @"%d MapRequest\n",
xEvent.xmaprequest.window);
break;
// keyboard or mouse mapping has been changed by another client
case MappingNotify:
NSDebugLLog(@"NSEvent", @"%d MappingNotify\n",
xEvent.xmapping.window);
if ((xEvent.xmapping.request == MappingModifier)
|| (xEvent.xmapping.request == MappingKeyboard))
{
XRefreshKeyboardMapping (&xEvent.xmapping);
set_up_num_lock ();
}
break;
case MotionNotify:
NSDebugLLog(@"NSMotionEvent", @"%d MotionNotify - %d %d\n",
xEvent.xmotion.window, xEvent.xmotion.x, xEvent.xmotion.y);
{
unsigned int state;
/*
* Compress motion events to avoid flooding.
*/
while (XPending(xEvent.xmotion.display))
{
XEvent peek;
XPeekEvent(xEvent.xmotion.display, &peek);
if (peek.type == MotionNotify
&& xEvent.xmotion.window == peek.xmotion.window
&& xEvent.xmotion.subwindow == peek.xmotion.subwindow)
{
XNextEvent(xEvent.xmotion.display, &xEvent);
}
else
{
break;
}
}
generic.lastMotion = xEvent.xmotion.time;
generic.lastTime = generic.lastMotion;
state = xEvent.xmotion.state;
if (state & generic.lMouseMask)
{
eventType = NSLeftMouseDragged;
}
else if (state & generic.rMouseMask)
{
eventType = NSRightMouseDragged;
}
else if (state & generic.mMouseMask)
{
eventType = NSOtherMouseDragged;
}
else
{
eventType = NSMouseMoved;
}
eventFlags = process_modifier_flags(state);
// if pointer is grabbed use grab window instead
xWin = (grabWindow == 0)
? xEvent.xmotion.window : grabWindow;
if (cWin == 0 || xWin != cWin->ident)
cWin = [XGServer _windowForXWindow: xWin];
if (cWin == 0)
break;
deltaX = - eventLocation.x;
deltaY = - eventLocation.y;
eventLocation = NSMakePoint(xEvent.xmotion.x,
NSHeight(cWin->xframe)
- xEvent.xmotion.y);
deltaX += eventLocation.x;
deltaY += eventLocation.y;
e = [NSEvent mouseEventWithType: eventType
location: eventLocation
modifierFlags: eventFlags
timestamp: (NSTimeInterval)generic.lastTime
windowNumber: cWin->number
context: gcontext
eventNumber: xEvent.xbutton.serial
clickCount: clickCount
pressure: 1.0
buttonNumber: 0 /* FIXME */
deltaX: deltaX
deltaY: deltaY
deltaZ: 0];
break;
}
// a window property has changed or been deleted
case PropertyNotify:
NSDebugLLog(@"NSEvent", @"%d PropertyNotify - '%s'\n",
xEvent.xproperty.window,
XGetAtomName(dpy, xEvent.xproperty.atom));
break;
// a client successfully reparents a window
case ReparentNotify:
NSDebugLLog(@"NSEvent", @"%d ReparentNotify - offset %d %d\n",
xEvent.xreparent.window, xEvent.xreparent.x,
xEvent.xreparent.y);
if (cWin == 0 || xEvent.xreparent.window != cWin->ident)
cWin=[XGServer _windowForXWindow:xEvent.xreparent.window];
if (cWin != 0)
{
Window parent = xEvent.xreparent.parent;
Window new_parent = parent;
/* Get the WM offset info which we hope is the same
for all parented windows */
if (parent != cWin->root
&& (xEvent.xreparent.x || xEvent.xreparent.y))
{
generic.parent_offset.x = xEvent.xreparent.x;
generic.parent_offset.y = xEvent.xreparent.y;
/* FIXME: if this has changed, go through window
list and fix up hints */
}
// Some window manager e.g. KDE2 put in multiple windows,
// so we have to find the right parent, closest to root
/* FIXME: This section of code has caused problems with
certain users. An X error occurs in XQueryTree and
later a seg fault in XFree. It's 'commented' out for
now unless you set the default 'GSDoubleParentWindows'
*/
if (generic.flags.doubleParentWindow) {
while (new_parent && (new_parent != cWin->root)) {
Window root;
Window *children;
int nchildren;
parent = new_parent;
NSLog(@"QueryTree window is %d (root %d cwin root %d)",
parent, root, cWin->root);
if (!XQueryTree(dpy, parent, &root, &new_parent,
&children, &nchildren))
{
new_parent = None;
if (children)
{
NSLog(@"Bad pointer from failed X call?");
children = 0;
}
}
if (children)
{
XFree(children);
}
if (new_parent && new_parent != cWin->root)
{
XWindowAttributes wattr;
XGetWindowAttributes(dpy, parent, &wattr);
if (wattr.x || wattr.y)
{
generic.parent_offset.x = wattr.x;
generic.parent_offset.y = wattr.y;
}
}
} /* while */
} /* generic.flags.doubleParentWindow */
cWin->parent = parent;
}
break;
// another client attempts to change the size of a window
case ResizeRequest:
NSDebugLLog(@"NSEvent", @"%d ResizeRequest\n",
xEvent.xresizerequest.window);
break;
// events dealing with the selection
case SelectionClear:
NSDebugLLog(@"NSEvent", @"%d SelectionClear\n",
xEvent.xselectionclear.window);
break;
case SelectionNotify:
NSDebugLLog(@"NSEvent", @"%d SelectionNotify\n",
xEvent.xselection.requestor);
break;
case SelectionRequest:
NSDebugLLog(@"NSEvent", @"%d SelectionRequest\n",
xEvent.xselectionrequest.requestor);
break;
// We shouldn't get here unless we forgot to trap an event above
default:
if (xEvent.type == XShmGetEventBase(dpy)+ShmCompletion
&& [gcontext respondsToSelector: @selector(gotShmCompletion:)])
{
[gcontext gotShmCompletion:
((XShmCompletionEvent *)&xEvent)->drawable];
break;
}
NSLog(@"Received an untrapped event\n");
break;
}
if (e)
[event_queue addObject: e];
e = nil;
}
/*
* WM is asking us to take the keyboard focus
*/
- (NSEvent *)_handleTakeFocusAtom: (XEvent)xEvent
forContext: (NSGraphicsContext *)gcontext
{
int key_num;
NSWindow *key_win;
NSEvent *e = nil;
key_win = [NSApp keyWindow];
key_num = [key_win windowNumber];
NSDebugLLog(@"Focus", @"take focus:%d (current=%d key=%d)",
cWin->number, generic.currentFocusWindow, key_num);
/* Invalidate the previous request. It's possible the app lost focus
before this request was fufilled and we are being focused again,
or ??? */
{
generic.focusRequestNumber = 0;
generic.desiredFocusWindow = 0;
}
/* We'd like to send this event directly to the front-end to handle,
but the front-end polls events so slowly compared the speed at
which X events could potentially come that we could easily get
out of sync, particularly when there are a lot of window
events */
if ([NSApp isHidden])
{
/* This often occurs when hidding an app, since a bunch of
windows get hidden at once, and the WM is searching for a
window to take focus after each one gets hidden. */
NSDebugLLog(@"Focus", @"WM take focus while hiding");
}
else if (cWin->number == key_num)
{
NSDebugLLog(@"Focus", @"Reasserting key window");
[GSServerForWindow(key_win) setinputfocus: key_num];
}
else if (key_num
&& cWin->number == [[[NSApp mainMenu] window] windowNumber])
{
/* This might occur when the window manager just wants someone
to become key, so it tells the main menu (typically the first
menu in the list), but since we already have a window that
was key before, use that instead */
NSDebugLLog(@"Focus", @"Key window is already %d", key_num);
[GSServerForWindow(key_win) setinputfocus: key_num];
}
else
{
NSPoint eventLocation;
/*
* Here the app asked for this (if key_win==nil) or there was a
* click on the title bar or some other reason (window mapped,
* etc). We don't necessarily want to forward the event for the
* last reason but we just have to deal with that since we can
* never be sure if it's necessary.
*/
eventLocation = NSMakePoint(0,0);
e = [NSEvent otherEventWithType:NSAppKitDefined
location: eventLocation
modifierFlags: 0
timestamp: 0
windowNumber: cWin->number
context: gcontext
subtype: GSAppKitWindowFocusIn
data1: 0
data2: 0];
}
return e;
}
// Return the key_code corresponding to the user defaults string
// Return 1 (which is an invalid keycode) if the user default
// is not set
static KeyCode
default_key_code (Display *display, NSUserDefaults *defaults,
NSString *aString)
{
NSString *keySymString;
KeySym a_key_sym;
keySymString = [defaults stringForKey: aString];
if (keySymString == nil)
return 1;
a_key_sym = XStringToKeysym ([keySymString cString]);
if (a_key_sym == NoSymbol)
{
// This is not necessarily an error.
// If you want on purpose to disable a key,
// set its default to 'NoSymbol'.
NSLog (@"KeySym %@ not found; disabling %@", keySymString, aString);
return 0;
}
return XKeysymToKeycode (display, a_key_sym);
}
// This function should be called before any keyboard event is dealed with.
static void
initialize_keyboard (void)
{
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
Display *display = [XGServer currentXDisplay];
// Initialize Control
_control_keycodes[0] = default_key_code (display, defaults,
@"GSFirstControlKey");
if (_control_keycodes[0] == 1) // No User Default Set
_control_keycodes[0] = XKeysymToKeycode (display, XK_Control_L);
_control_keycodes[1] = default_key_code (display, defaults,
@"GSSecondControlKey");
if (_control_keycodes[1] == 1)
_control_keycodes[1] = XKeysymToKeycode (display, XK_Control_R);
// Initialize Command
_command_keycodes[0] = default_key_code (display, defaults,
@"GSFirstCommandKey");
if (_command_keycodes[0] == 1)
_command_keycodes[0] = XKeysymToKeycode (display, XK_Alt_L);
_command_keycodes[1] = default_key_code (display, defaults,
@"GSSecondCommandKey");
if (_command_keycodes[1] == 1)
_command_keycodes[1] = 0;
// Initialize Alt
_alt_keycodes[0] = default_key_code (display, defaults,
@"GSFirstAlternateKey");
if (_alt_keycodes[0] == 1)
{
_alt_keycodes[0] = XKeysymToKeycode (display, XK_Alt_R);
if (_alt_keycodes[0] == 0)
_alt_keycodes[0] = XKeysymToKeycode (display, XK_Mode_switch);
}
_alt_keycodes[1] = default_key_code (display, defaults,
@"GSSecondAlternateKey");
if (_alt_keycodes[1] == 1)
_alt_keycodes[1] = 0;
set_up_num_lock ();
_is_keyboard_initialized = YES;
}
static void
set_up_num_lock (void)
{
XModifierKeymap *modifier_map;
int i, j;
unsigned int modifier_masks[8] =
{
ShiftMask, LockMask, ControlMask, Mod1Mask,
Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
};
Display *display = [XGServer currentXDisplay];
KeyCode _num_lock_keycode;
// Get NumLock keycode
_num_lock_keycode = XKeysymToKeycode (display, XK_Num_Lock);
if (_num_lock_keycode == 0)
{
// Weird. There is no NumLock in this keyboard.
_num_lock_mask = 0;
return;
}
// Get the current modifier mapping
modifier_map = XGetModifierMapping (display);
// Scan the modifiers for NumLock
for (j = 0; j < 8; j++)
for (i = 0; i < (modifier_map->max_keypermod); i++)
{
if ((modifier_map->modifiermap)[i + j*modifier_map->max_keypermod]
== _num_lock_keycode)
{
_num_lock_mask = modifier_masks[j];
XFreeModifiermap (modifier_map);
return;
}
}
// Weird. NumLock is not among the modifiers
_num_lock_mask = 0;
XFreeModifiermap (modifier_map);
return;
}
static BOOL
keysym_is_X_modifier (KeySym keysym)
{
switch (keysym)
{
case XK_Num_Lock:
case XK_Shift_L:
case XK_Shift_R:
case XK_Caps_Lock:
case XK_Shift_Lock:
return YES;
default:
return NO;
}
}
static NSEvent*
process_key_event (XEvent* xEvent, XGServer* context, NSEventType eventType)
{
NSString *keys, *ukeys;
KeySym keysym;
NSPoint eventLocation;
unsigned short keyCode;
unsigned int eventFlags;
unichar unicode;
NSEvent *event = nil;
NSEventType originalType;
gswindow_device_t *window;
int control_key = 0;
int command_key = 0;
int alt_key = 0;
if (_is_keyboard_initialized == NO)
initialize_keyboard ();
/* Process NSFlagsChanged events. We can't use a switch because we
are not comparing to constants. Make sure keyCode is not 0 since
XIM events can potentially return 0 keyCodes. */
keyCode = ((XKeyEvent *)xEvent)->keycode;
if (keyCode)
{
if (keyCode == _control_keycodes[0])
{
control_key = 1;
}
else if (keyCode == _control_keycodes[1])
{
control_key = 2;
}
else if (keyCode == _command_keycodes[0])
{
command_key = 1;
}
else if (keyCode == _command_keycodes[1])
{
command_key = 2;
}
else if (keyCode == _alt_keycodes[0])
{
alt_key = 1;
}
else if (keyCode == _alt_keycodes[1])
{
alt_key = 2;
}
}
originalType = eventType;
if (control_key || command_key || alt_key)
{
eventType = NSFlagsChanged;
if (xEvent->xkey.type == KeyPress)
{
if (control_key)
_control_pressed |= control_key;
if (command_key)
_command_pressed |= command_key;
if (alt_key)
_alt_pressed |= alt_key;
}
else if (xEvent->xkey.type == KeyRelease)
{
if (control_key)
_control_pressed &= ~control_key;
if (command_key)
_command_pressed &= ~command_key;
if (alt_key)
_alt_pressed &= ~alt_key;
}
}
/* Process modifiers */
eventFlags = process_modifier_flags (xEvent->xkey.state);
/* Process location */
window = [XGServer _windowWithTag: [[NSApp keyWindow] windowNumber]];
eventLocation.x = xEvent->xbutton.x;
if (window)
{
eventLocation.y = window->siz_hints.height - xEvent->xbutton.y;
}
else
{
eventLocation.y = xEvent->xbutton.y;
}
/* Process characters */
keys = [context->inputServer lookupStringForEvent: (XKeyEvent *)xEvent
window: window
keysym: &keysym];
/* Process keycode */
//ximKeyCode = XKeysymToKeycode([XGServer currentXDisplay],keysym);
/* Add NSNumericPadKeyMask if the key is in the KeyPad */
if (IsKeypadKey (keysym))
eventFlags = eventFlags | NSNumericPadKeyMask;
NSDebugLLog (@"NSKeyEvent", @"keysym=%d, keyCode=%d flags=%d (state=%d)",
keysym, keyCode, eventFlags, ((XKeyEvent *)xEvent)->state);
/* Add NSFunctionKeyMask if the key is a function or a misc function key */
/* We prefer not to do this and do it manually in process_char
because X's idea of what is a function key seems to be different
from OPENSTEP's one */
/* if (IsFunctionKey (keysym) || IsMiscFunctionKey (keysym))
eventFlags = eventFlags | NSFunctionKeyMask; */
/* First, check to see if the key event if a Shift, NumLock or
CapsLock or ShiftLock keypress/keyrelease. If it is, then use a
NSFlagsChanged event type. This will generate a NSFlagsChanged
event each time you press/release a shift key, even if the flags
haven't actually changed. I don't see this as a problem - if we
didn't, the shift keypress/keyrelease event would never be
notified to the application.
NB - to know if shift was pressed, we need to check the X keysym
- it doesn't work to compare the X modifier flags of this
keypress X event with the ones of the previous one, because when
you press Shift, the X shift keypress event has the *same* X
modifiers flags as the X keypress event before it - only
keypresses coming *after* the shift keypress will get a different
X modifier mask. */
if (keysym_is_X_modifier (keysym))
{
eventType = NSFlagsChanged;
}
/* Now we get the unicode character for the pressed key using
our internal table */
unicode = process_char (keysym, &eventFlags);
/* If that didn't work, we use what X gave us */
if (unicode != 0)
{
keys = [NSString stringWithCharacters: &unicode length: 1];
}
// Now the same ignoring modifiers, except Shift, ShiftLock, NumLock.
xEvent->xkey.state = (xEvent->xkey.state & (ShiftMask | LockMask
| _num_lock_mask));
ukeys = [context->inputServer lookupStringForEvent: (XKeyEvent *)xEvent
window: window
keysym: &keysym];
unicode = process_char (keysym, &eventFlags);
if (unicode != 0)
{
ukeys = [NSString stringWithCharacters: &unicode length: 1];
}
event = [NSEvent keyEventWithType: eventType
location: eventLocation
modifierFlags: eventFlags
timestamp: (NSTimeInterval)xEvent->xkey.time
windowNumber: window->number
context: GSCurrentContext()
characters: keys
charactersIgnoringModifiers: ukeys
isARepeat: NO /* isARepeat can't be supported with X */
keyCode: keyCode];
return event;
}
static unichar
process_char (KeySym keysym, unsigned *eventModifierFlags)
{
switch (keysym)
{
/* NB: Whatever is explicitly put in this conversion table takes
precedence over what is returned by XLookupString. Not sure
this is a good idea for latin-1 character input. */
case XK_Return: return NSCarriageReturnCharacter;
case XK_KP_Enter: return NSEnterCharacter;
case XK_Linefeed: return NSFormFeedCharacter;
case XK_Tab: return NSTabCharacter;
#ifdef XK_XKB_KEYS
case XK_ISO_Left_Tab: return NSTabCharacter;
#endif
/* FIXME: The following line ? */
case XK_Escape: return 0x1b;
case XK_BackSpace: return NSBackspaceKey;
/* The following keys need to be reported as function keys */
#define XGPS_FUNCTIONKEY \
*eventModifierFlags = *eventModifierFlags | NSFunctionKeyMask;
case XK_F1: XGPS_FUNCTIONKEY return NSF1FunctionKey;
case XK_F2: XGPS_FUNCTIONKEY return NSF2FunctionKey;
case XK_F3: XGPS_FUNCTIONKEY return NSF3FunctionKey;
case XK_F4: XGPS_FUNCTIONKEY return NSF4FunctionKey;
case XK_F5: XGPS_FUNCTIONKEY return NSF5FunctionKey;
case XK_F6: XGPS_FUNCTIONKEY return NSF6FunctionKey;
case XK_F7: XGPS_FUNCTIONKEY return NSF7FunctionKey;
case XK_F8: XGPS_FUNCTIONKEY return NSF8FunctionKey;
case XK_F9: XGPS_FUNCTIONKEY return NSF9FunctionKey;
case XK_F10: XGPS_FUNCTIONKEY return NSF10FunctionKey;
case XK_F11: XGPS_FUNCTIONKEY return NSF11FunctionKey;
case XK_F12: XGPS_FUNCTIONKEY return NSF12FunctionKey;
case XK_F13: XGPS_FUNCTIONKEY return NSF13FunctionKey;
case XK_F14: XGPS_FUNCTIONKEY return NSF14FunctionKey;
case XK_F15: XGPS_FUNCTIONKEY return NSF15FunctionKey;
case XK_F16: XGPS_FUNCTIONKEY return NSF16FunctionKey;
case XK_F17: XGPS_FUNCTIONKEY return NSF17FunctionKey;
case XK_F18: XGPS_FUNCTIONKEY return NSF18FunctionKey;
case XK_F19: XGPS_FUNCTIONKEY return NSF19FunctionKey;
case XK_F20: XGPS_FUNCTIONKEY return NSF20FunctionKey;
case XK_F21: XGPS_FUNCTIONKEY return NSF21FunctionKey;
case XK_F22: XGPS_FUNCTIONKEY return NSF22FunctionKey;
case XK_F23: XGPS_FUNCTIONKEY return NSF23FunctionKey;
case XK_F24: XGPS_FUNCTIONKEY return NSF24FunctionKey;
case XK_F25: XGPS_FUNCTIONKEY return NSF25FunctionKey;
case XK_F26: XGPS_FUNCTIONKEY return NSF26FunctionKey;
case XK_F27: XGPS_FUNCTIONKEY return NSF27FunctionKey;
case XK_F28: XGPS_FUNCTIONKEY return NSF28FunctionKey;
case XK_F29: XGPS_FUNCTIONKEY return NSF29FunctionKey;
case XK_F30: XGPS_FUNCTIONKEY return NSF30FunctionKey;
case XK_F31: XGPS_FUNCTIONKEY return NSF31FunctionKey;
case XK_F32: XGPS_FUNCTIONKEY return NSF32FunctionKey;
case XK_F33: XGPS_FUNCTIONKEY return NSF33FunctionKey;
case XK_F34: XGPS_FUNCTIONKEY return NSF34FunctionKey;
case XK_F35: XGPS_FUNCTIONKEY return NSF35FunctionKey;
case XK_Delete: XGPS_FUNCTIONKEY return NSDeleteFunctionKey;
case XK_Home: XGPS_FUNCTIONKEY return NSHomeFunctionKey;
case XK_Left: XGPS_FUNCTIONKEY return NSLeftArrowFunctionKey;
case XK_Right: XGPS_FUNCTIONKEY return NSRightArrowFunctionKey;
case XK_Up: XGPS_FUNCTIONKEY return NSUpArrowFunctionKey;
case XK_Down: XGPS_FUNCTIONKEY return NSDownArrowFunctionKey;
// case XK_Prior: XGPS_FUNCTIONKEY return NSPrevFunctionKey;
// case XK_Next: XGPS_FUNCTIONKEY return NSNextFunctionKey;
case XK_End: XGPS_FUNCTIONKEY return NSEndFunctionKey;
case XK_Begin: XGPS_FUNCTIONKEY return NSBeginFunctionKey;
case XK_Select: XGPS_FUNCTIONKEY return NSSelectFunctionKey;
case XK_Print: XGPS_FUNCTIONKEY return NSPrintFunctionKey;
case XK_Execute: XGPS_FUNCTIONKEY return NSExecuteFunctionKey;
case XK_Insert: XGPS_FUNCTIONKEY return NSInsertFunctionKey;
case XK_Undo: XGPS_FUNCTIONKEY return NSUndoFunctionKey;
case XK_Redo: XGPS_FUNCTIONKEY return NSRedoFunctionKey;
case XK_Menu: XGPS_FUNCTIONKEY return NSMenuFunctionKey;
case XK_Find: XGPS_FUNCTIONKEY return NSFindFunctionKey;
case XK_Help: XGPS_FUNCTIONKEY return NSHelpFunctionKey;
case XK_Break: XGPS_FUNCTIONKEY return NSBreakFunctionKey;
case XK_Mode_switch: XGPS_FUNCTIONKEY return NSModeSwitchFunctionKey;
case XK_Scroll_Lock: XGPS_FUNCTIONKEY return NSScrollLockFunctionKey;
case XK_Pause: XGPS_FUNCTIONKEY return NSPauseFunctionKey;
case XK_Clear: XGPS_FUNCTIONKEY return NSClearDisplayFunctionKey;
#ifndef NeXT
case XK_Page_Up: XGPS_FUNCTIONKEY return NSPageUpFunctionKey;
case XK_Page_Down: XGPS_FUNCTIONKEY return NSPageDownFunctionKey;
case XK_Sys_Req: XGPS_FUNCTIONKEY return NSSysReqFunctionKey;
#endif
case XK_KP_F1: XGPS_FUNCTIONKEY return NSF1FunctionKey;
case XK_KP_F2: XGPS_FUNCTIONKEY return NSF2FunctionKey;
case XK_KP_F3: XGPS_FUNCTIONKEY return NSF3FunctionKey;
case XK_KP_F4: XGPS_FUNCTIONKEY return NSF4FunctionKey;
#ifndef NeXT
case XK_KP_Home: XGPS_FUNCTIONKEY return NSHomeFunctionKey;
case XK_KP_Left: XGPS_FUNCTIONKEY return NSLeftArrowFunctionKey;
case XK_KP_Up: XGPS_FUNCTIONKEY return NSUpArrowFunctionKey;
case XK_KP_Right: XGPS_FUNCTIONKEY return NSRightArrowFunctionKey;
case XK_KP_Down: XGPS_FUNCTIONKEY return NSDownArrowFunctionKey;
// case XK_KP_Prior: return NSPrevFunctionKey;
case XK_KP_Page_Up: XGPS_FUNCTIONKEY return NSPageUpFunctionKey;
// case XK_KP_Next: return NSNextFunctionKey;
case XK_KP_Page_Down: XGPS_FUNCTIONKEY return NSPageDownFunctionKey;
case XK_KP_End: XGPS_FUNCTIONKEY return NSEndFunctionKey;
case XK_KP_Begin: XGPS_FUNCTIONKEY return NSBeginFunctionKey;
case XK_KP_Insert: XGPS_FUNCTIONKEY return NSInsertFunctionKey;
case XK_KP_Delete: XGPS_FUNCTIONKEY return NSDeleteFunctionKey;
#endif
#undef XGPS_FUNCTIONKEY
default: return 0;
}
}
// process_modifier_flags() determines which modifier keys (Command, Control,
// Shift, and so forth) were held down while the event occured.
static unsigned int
process_modifier_flags(unsigned int state)
{
unsigned int eventModifierFlags = 0;
if (state & ShiftMask)
eventModifierFlags = eventModifierFlags | NSShiftKeyMask;
if (state & LockMask)
eventModifierFlags = eventModifierFlags | NSShiftKeyMask;
if (_control_pressed != 0)
eventModifierFlags = eventModifierFlags | NSControlKeyMask;
if (_command_pressed != 0)
eventModifierFlags = eventModifierFlags | NSCommandKeyMask;
if (_alt_pressed != 0)
eventModifierFlags = eventModifierFlags | NSAlternateKeyMask;
// Other modifiers ignored for now.
return eventModifierFlags;
}
- (NSDate*) timedOutEvent: (void*)data
type: (RunLoopEventType)type
forMode: (NSString*)mode
{
return nil;
}
/* Drag and Drop */
- (id <NSDraggingInfo>)dragInfo
{
return [XGDragView sharedDragView];
}
@end
@implementation XGServer (XSync)
- (BOOL) xSyncMap: (void*)windowHandle
{
gswindow_device_t *window = (gswindow_device_t*)windowHandle;
/*
* if the window is not mapped, make sure we have sent all requests to the
* X-server, it may be that our mapping request was buffered.
*/
if (window->map_state != IsViewable)
{
XSync(dpy, False);
[self receivedEvent: 0 type: 0 extra: 0 forMode: nil];
}
/*
* If the window is still not mapped, it may be that the window-manager
* intercepted our mapping request, and hasn't dealt with it yet.
* Listen for input for up to a second, in the hope of getting the mapping.
*/
if (window->map_state != IsViewable)
{
NSDate *d = [NSDate dateWithTimeIntervalSinceNow: 1.0];
NSRunLoop *l = [NSRunLoop currentRunLoop];
NSString *m = [l currentMode];
while (window->map_state != IsViewable && [d timeIntervalSinceNow] > 0)
{
[l runMode: m beforeDate: d];
}
}
if (window->map_state != IsViewable)
{
NSLog(@"Window still not mapped a second after mapping request made");
return NO;
}
return YES;
}
@end
@implementation XGServer (X11Ops)
/*
* Return mouse location in base coords ignoring the event loop
*/
- (NSPoint) mouselocation
{
return [self mouseLocationOnScreen: defScreen window: NULL];
}
- (NSPoint) mouseLocationOnScreen: (int)screen window: (int *)win
{
Window rootWin;
Window childWin;
int currentX;
int currentY;
int winX;
int winY;
unsigned mask;
BOOL ok;
NSPoint p;
int height;
int screen_number;
screen_number = (screen >= 0) ? screen : defScreen;
ok = XQueryPointer (dpy, [self xDisplayRootWindowForScreen: screen_number],
&rootWin, &childWin, &currentX, &currentY, &winX, &winY, &mask);
p = NSMakePoint(-1,-1);
if (ok == False)
{
/* Mouse not on the specified screen_number */
XWindowAttributes attribs;
ok = XGetWindowAttributes(dpy, rootWin, &attribs);
if (ok == False)
{
return p;
}
screen_number = XScreenNumberOfScreen(attribs.screen);
if (screen >= 0 && screen != screen_number)
{
/* Mouse not on the requred screen, return an invalid point */
return p;
}
height = attribs.height;
}
else
height = DisplayHeight(dpy, screen_number);
p = NSMakePoint(currentX, height - currentY);
if (win)
{
gswindow_device_t *w = 0;
w = [XGServer _windowForXWindow: childWin];
if (w == NULL)
w = [XGServer _windowForXParent: childWin];
if (w)
*win = w->number;
else
*win = 0;
}
return p;
}
- (NSEvent*) getEventMatchingMask: (unsigned)mask
beforeDate: (NSDate*)limit
inMode: (NSString*)mode
dequeue: (BOOL)flag
{
[self receivedEvent: 0 type: 0 extra: 0 forMode: nil];
return [super getEventMatchingMask: mask
beforeDate: limit
inMode: mode
dequeue: flag];
}
- (void) discardEventsMatchingMask: (unsigned)mask
beforeEvent: (NSEvent*)limit
{
[self receivedEvent: 0 type: 0 extra: 0 forMode: nil];
[super discardEventsMatchingMask: mask
beforeEvent: limit];
}
@end
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