| /* |
| * X11 event driver |
| * |
| * Copyright 1993 Alexandre Julliard |
| * 1999 Noel Borthwick |
| */ |
| |
| #include "config.h" |
| |
| #ifndef X_DISPLAY_MISSING |
| |
| #include <X11/Xatom.h> |
| #include <X11/keysym.h> |
| #include "ts_xlib.h" |
| #include "ts_xresource.h" |
| #include "ts_xutil.h" |
| #ifdef HAVE_LIBXXSHM |
| #include "ts_xshm.h" |
| #endif |
| |
| #ifdef HAVE_LIBXXF86DGA2 |
| #include "ts_xf86dga2.h" |
| #endif |
| |
| #include <assert.h> |
| #include <string.h> |
| #include "callback.h" |
| #include "clipboard.h" |
| #include "dce.h" |
| #include "debugtools.h" |
| #include "drive.h" |
| #include "heap.h" |
| #include "input.h" |
| #include "keyboard.h" |
| #include "message.h" |
| #include "mouse.h" |
| #include "options.h" |
| #include "queue.h" |
| #include "shell.h" |
| #include "winpos.h" |
| #include "services.h" |
| #include "file.h" |
| #include "windef.h" |
| #include "x11drv.h" |
| |
| DEFAULT_DEBUG_CHANNEL(event) |
| DECLARE_DEBUG_CHANNEL(win) |
| |
| /* X context to associate a hwnd to an X window */ |
| extern XContext winContext; |
| |
| extern Atom wmProtocols; |
| extern Atom wmDeleteWindow; |
| extern Atom dndProtocol; |
| extern Atom dndSelection; |
| |
| extern void X11DRV_KEYBOARD_UpdateState(void); |
| extern void X11DRV_KEYBOARD_HandleEvent(WND *pWnd, XKeyEvent *event); |
| |
| #define NB_BUTTONS 3 /* Windows can handle 3 buttons */ |
| |
| #define DndNotDnd -1 /* OffiX drag&drop */ |
| #define DndUnknown 0 |
| #define DndRawData 1 |
| #define DndFile 2 |
| #define DndFiles 3 |
| #define DndText 4 |
| #define DndDir 5 |
| #define DndLink 6 |
| #define DndExe 7 |
| |
| #define DndEND 8 |
| |
| #define DndURL 128 /* KDE drag&drop */ |
| |
| /* The last X window which had the focus */ |
| static Window glastXFocusWin = 0; |
| |
| static const char * const event_names[] = |
| { |
| "", "", "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease", |
| "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", "FocusOut", |
| "KeymapNotify", "Expose", "GraphicsExpose", "NoExpose", "VisibilityNotify", |
| "CreateNotify", "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest", |
| "ReparentNotify", "ConfigureNotify", "ConfigureRequest", "GravityNotify", |
| "ResizeRequest", "CirculateNotify", "CirculateRequest", "PropertyNotify", |
| "SelectionClear", "SelectionRequest", "SelectionNotify", "ColormapNotify", |
| "ClientMessage", "MappingNotify" |
| }; |
| |
| |
| static void CALLBACK EVENT_Flush( ULONG_PTR arg ); |
| static void CALLBACK EVENT_ProcessAllEvents( ULONG_PTR arg ); |
| static void EVENT_ProcessEvent( XEvent *event ); |
| |
| /* Event handlers */ |
| static void EVENT_Key( HWND hWnd, XKeyEvent *event ); |
| static void EVENT_ButtonPress( HWND hWnd, XButtonEvent *event ); |
| static void EVENT_ButtonRelease( HWND hWnd, XButtonEvent *event ); |
| static void EVENT_MotionNotify( HWND hWnd, XMotionEvent *event ); |
| static void EVENT_FocusIn( HWND hWnd, XFocusChangeEvent *event ); |
| static void EVENT_FocusOut( HWND hWnd, XFocusChangeEvent *event ); |
| static void EVENT_Expose( HWND hWnd, XExposeEvent *event ); |
| static void EVENT_GraphicsExpose( HWND hWnd, XGraphicsExposeEvent *event ); |
| static void EVENT_ConfigureNotify( HWND hWnd, XConfigureEvent *event ); |
| static void EVENT_SelectionRequest( HWND hWnd, XSelectionRequestEvent *event, BOOL bIsMultiple ); |
| static void EVENT_SelectionClear( HWND hWnd, XSelectionClearEvent *event); |
| static void EVENT_PropertyNotify( XPropertyEvent *event ); |
| static void EVENT_ClientMessage( HWND hWnd, XClientMessageEvent *event ); |
| static void EVENT_MapNotify( HWND pWnd, XMapEvent *event ); |
| static void EVENT_UnmapNotify( HWND pWnd, XUnmapEvent *event ); |
| |
| #ifdef HAVE_LIBXXSHM |
| static void EVENT_ShmCompletion( XShmCompletionEvent *event ); |
| static int ShmCompletionType; |
| extern int XShmGetEventBase( Display * );/* Missing prototype for function in libXext. */ |
| #endif |
| |
| #ifdef HAVE_LIBXXF86DGA2 |
| static int DGAMotionEventType; |
| static int DGAButtonPressEventType; |
| static int DGAButtonReleaseEventType; |
| static int DGAKeyPressEventType; |
| static int DGAKeyReleaseEventType; |
| |
| static BOOL DGAUsed = FALSE; |
| static HWND DGAhwnd = 0; |
| |
| static void EVENT_DGAMotionEvent( XDGAMotionEvent *event ); |
| static void EVENT_DGAButtonPressEvent( XDGAButtonEvent *event ); |
| static void EVENT_DGAButtonReleaseEvent( XDGAButtonEvent *event ); |
| #endif |
| |
| /* Usable only with OLVWM - compile option perhaps? |
| static void EVENT_EnterNotify( HWND hWnd, XCrossingEvent *event ); |
| */ |
| |
| static void EVENT_GetGeometry( Window win, int *px, int *py, |
| unsigned int *pwidth, unsigned int *pheight ); |
| |
| |
| static BOOL bUserRepaintDisabled = TRUE; |
| |
| /* Static used for the current input method */ |
| static INPUT_TYPE current_input_type = X11DRV_INPUT_ABSOLUTE; |
| static BOOL in_transition = FALSE; /* This is not used as for today */ |
| |
| /*********************************************************************** |
| * EVENT_Init |
| */ |
| BOOL X11DRV_EVENT_Init(void) |
| { |
| #ifdef HAVE_LIBXXSHM |
| ShmCompletionType = XShmGetEventBase( display ) + ShmCompletion; |
| #endif |
| |
| /* Install the X event processing callback */ |
| SERVICE_AddObject( FILE_DupUnixHandle( ConnectionNumber(display), |
| GENERIC_READ | SYNCHRONIZE ), |
| EVENT_ProcessAllEvents, 0 ); |
| |
| /* Install the XFlush timer callback */ |
| if ( Options.synchronous ) |
| TSXSynchronize( display, True ); |
| else |
| SERVICE_AddTimer( 200000L, EVENT_Flush, 0 ); |
| |
| return TRUE; |
| } |
| |
| /*********************************************************************** |
| * EVENT_Flush |
| */ |
| static void CALLBACK EVENT_Flush( ULONG_PTR arg ) |
| { |
| TSXFlush( display ); |
| } |
| |
| /*********************************************************************** |
| * EVENT_ProcessAllEvents |
| */ |
| static void CALLBACK EVENT_ProcessAllEvents( ULONG_PTR arg ) |
| { |
| XEvent event; |
| |
| TRACE( "called (thread %lx).\n", GetCurrentThreadId() ); |
| |
| EnterCriticalSection( &X11DRV_CritSection ); |
| while ( XPending( display ) ) |
| { |
| XNextEvent( display, &event ); |
| |
| LeaveCriticalSection( &X11DRV_CritSection ); |
| EVENT_ProcessEvent( &event ); |
| EnterCriticalSection( &X11DRV_CritSection ); |
| } |
| LeaveCriticalSection( &X11DRV_CritSection ); |
| } |
| |
| /*********************************************************************** |
| * EVENT_Synchronize |
| * |
| * Synchronize with the X server. Should not be used too often. |
| */ |
| void X11DRV_EVENT_Synchronize( void ) |
| { |
| TSXSync( display, False ); |
| EVENT_ProcessAllEvents( 0 ); |
| } |
| |
| /*********************************************************************** |
| * EVENT_UserRepaintDisable |
| */ |
| void X11DRV_EVENT_UserRepaintDisable( BOOL bDisabled ) |
| { |
| bUserRepaintDisabled = bDisabled; |
| } |
| |
| /*********************************************************************** |
| * EVENT_ProcessEvent |
| * |
| * Process an X event. |
| */ |
| static void EVENT_ProcessEvent( XEvent *event ) |
| { |
| HWND hWnd; |
| |
| TRACE( "called.\n" ); |
| |
| switch (event->type) |
| { |
| case SelectionNotify: /* all of these should be caught by XCheckTypedWindowEvent() */ |
| FIXME("Got SelectionNotify - must not happen!\n"); |
| /* fall through */ |
| |
| /* We get all these because of StructureNotifyMask. |
| This check is placed here to avoid getting error messages below, |
| as X might send some of these even for windows that have already |
| been deleted ... */ |
| case CirculateNotify: |
| case CreateNotify: |
| case DestroyNotify: |
| case GravityNotify: |
| case ReparentNotify: |
| return; |
| } |
| |
| #ifdef HAVE_LIBXXSHM |
| if (event->type == ShmCompletionType) { |
| EVENT_ShmCompletion( (XShmCompletionEvent*)event ); |
| return; |
| } |
| #endif |
| |
| #ifdef HAVE_LIBXXF86DGA2 |
| if (DGAUsed) { |
| if (event->type == DGAMotionEventType) { |
| TRACE("DGAMotionEvent received.\n"); |
| EVENT_DGAMotionEvent((XDGAMotionEvent *) event); |
| return; |
| } |
| if (event->type == DGAButtonPressEventType) { |
| TRACE("DGAButtonPressEvent received.\n"); |
| EVENT_DGAButtonPressEvent((XDGAButtonEvent *) event); |
| return; |
| } |
| if (event->type == DGAButtonReleaseEventType) { |
| TRACE("DGAButtonReleaseEvent received.\n"); |
| EVENT_DGAButtonReleaseEvent((XDGAButtonEvent *) event); |
| return; |
| } |
| if ((event->type == DGAKeyPressEventType) || |
| (event->type == DGAKeyReleaseEventType)) { |
| /* Fill a XKeyEvent to send to EVENT_Key */ |
| XKeyEvent ke; |
| XDGAKeyEvent *evt = (XDGAKeyEvent *) event; |
| |
| TRACE("DGAKeyPress/ReleaseEvent received.\n"); |
| |
| if (evt->type == DGAKeyReleaseEventType) |
| ke.type = KeyRelease; |
| else |
| ke.type = KeyPress; |
| ke.serial = evt->serial; |
| ke.send_event = FALSE; |
| ke.display = evt->display; |
| ke.window = 0; |
| ke.root = 0; |
| ke.subwindow = 0; |
| ke.time = evt->time; |
| ke.x = PosX; |
| ke.y = PosY; |
| ke.x_root = -1; |
| ke.y_root = -1; |
| ke.state = evt->state; |
| ke.keycode = evt->keycode; |
| ke.same_screen = TRUE; |
| |
| X11DRV_KEYBOARD_HandleEvent(NULL, &ke); |
| return; |
| } |
| } |
| #endif |
| |
| if ( TSXFindContext( display, event->xany.window, winContext, |
| (char **)&hWnd ) != 0) { |
| if ( event->type == ClientMessage) { |
| /* query window (drag&drop event contains only drag window) */ |
| Window root, child; |
| int root_x, root_y, child_x, child_y; |
| unsigned u; |
| TSXQueryPointer( display, X11DRV_GetXRootWindow(), &root, &child, |
| &root_x, &root_y, &child_x, &child_y, &u); |
| if (TSXFindContext( display, child, winContext, (char **)&hWnd ) != 0) |
| return; |
| } else { |
| hWnd = 0; /* Not for a registered window */ |
| } |
| } |
| |
| if ( !hWnd && event->xany.window != X11DRV_GetXRootWindow() |
| && event->type != PropertyNotify ) |
| ERR("Got event %s for unknown Window %08lx\n", |
| event_names[event->type], event->xany.window ); |
| else |
| TRACE("Got event %s for hwnd %04x\n", |
| event_names[event->type], hWnd ); |
| |
| switch(event->type) |
| { |
| case KeyPress: |
| case KeyRelease: |
| EVENT_Key( hWnd, (XKeyEvent*)event ); |
| break; |
| |
| case ButtonPress: |
| EVENT_ButtonPress( hWnd, (XButtonEvent*)event ); |
| break; |
| |
| case ButtonRelease: |
| EVENT_ButtonRelease( hWnd, (XButtonEvent*)event ); |
| break; |
| |
| case MotionNotify: |
| /* Wine between two fast machines across the overloaded campus |
| ethernet gets very boged down in MotionEvents. The following |
| simply finds the last motion event in the queue and drops |
| the rest. On a good link events are servered before they build |
| up so this doesn't take place. On a slow link this may cause |
| problems if the event order is important. I'm not yet seen |
| of any problems. Jon 7/6/96. |
| */ |
| if ((current_input_type == X11DRV_INPUT_ABSOLUTE) && |
| (in_transition == FALSE)) |
| /* Only cumulate events if in absolute mode */ |
| while (TSXCheckTypedWindowEvent(display,((XAnyEvent *)event)->window, |
| MotionNotify, event)); |
| EVENT_MotionNotify( hWnd, (XMotionEvent*)event ); |
| break; |
| |
| case FocusIn: |
| { |
| WND *pWndLastFocus = 0; |
| XWindowAttributes win_attr; |
| BOOL bIsDisabled; |
| XFocusChangeEvent *xfocChange = (XFocusChangeEvent*)event; |
| |
| if (!hWnd || bUserRepaintDisabled) return; |
| |
| bIsDisabled = GetWindowLongA( hWnd, GWL_STYLE ) & WS_DISABLED; |
| |
| /* If the window has been disabled and we are in managed mode, |
| * revert the X focus back to the last focus window. This is to disallow |
| * the window manager from switching focus away while the app is |
| * in a modal state. |
| */ |
| if ( Options.managed && bIsDisabled && glastXFocusWin) |
| { |
| /* Change focus only if saved focus window is registered and viewable */ |
| if ( TSXFindContext( xfocChange->display, glastXFocusWin, winContext, |
| (char **)&pWndLastFocus ) == 0 ) |
| { |
| if ( TSXGetWindowAttributes( display, glastXFocusWin, &win_attr ) && |
| (win_attr.map_state == IsViewable) ) |
| { |
| TSXSetInputFocus( xfocChange->display, glastXFocusWin, RevertToParent, CurrentTime ); |
| EVENT_Synchronize(); |
| break; |
| } |
| } |
| } |
| |
| EVENT_FocusIn( hWnd, xfocChange ); |
| break; |
| } |
| |
| case FocusOut: |
| { |
| /* Save the last window which had the focus */ |
| XFocusChangeEvent *xfocChange = (XFocusChangeEvent*)event; |
| glastXFocusWin = xfocChange->window; |
| if (!hWnd || bUserRepaintDisabled) return; |
| if (GetWindowLongA( hWnd, GWL_STYLE ) & WS_DISABLED) glastXFocusWin = 0; |
| EVENT_FocusOut( hWnd, (XFocusChangeEvent*)event ); |
| break; |
| } |
| |
| case Expose: |
| if (bUserRepaintDisabled) return; |
| EVENT_Expose( hWnd, (XExposeEvent *)event ); |
| break; |
| |
| case GraphicsExpose: |
| if (bUserRepaintDisabled) return; |
| EVENT_GraphicsExpose( hWnd, (XGraphicsExposeEvent *)event ); |
| break; |
| |
| case ConfigureNotify: |
| if (!hWnd || bUserRepaintDisabled) return; |
| EVENT_ConfigureNotify( hWnd, (XConfigureEvent*)event ); |
| break; |
| |
| case SelectionRequest: |
| if (!hWnd || bUserRepaintDisabled) return; |
| EVENT_SelectionRequest( hWnd, (XSelectionRequestEvent *)event, FALSE ); |
| break; |
| |
| case SelectionClear: |
| if (!hWnd || bUserRepaintDisabled) return; |
| EVENT_SelectionClear( hWnd, (XSelectionClearEvent*) event ); |
| break; |
| |
| case PropertyNotify: |
| EVENT_PropertyNotify( (XPropertyEvent *)event ); |
| break; |
| |
| case ClientMessage: |
| if (!hWnd || bUserRepaintDisabled) return; |
| EVENT_ClientMessage( hWnd, (XClientMessageEvent *) event ); |
| break; |
| |
| #if 0 |
| case EnterNotify: |
| EVENT_EnterNotify( hWnd, (XCrossingEvent *) event ); |
| break; |
| #endif |
| |
| case NoExpose: |
| break; |
| |
| case MapNotify: |
| if (!hWnd || bUserRepaintDisabled) return; |
| EVENT_MapNotify( hWnd, (XMapEvent *)event ); |
| break; |
| |
| case UnmapNotify: |
| if (!hWnd || bUserRepaintDisabled) return; |
| EVENT_UnmapNotify( hWnd, (XUnmapEvent *)event ); |
| break; |
| |
| default: |
| WARN("Unprocessed event %s for hwnd %04x\n", |
| event_names[event->type], hWnd ); |
| break; |
| } |
| TRACE( "returns.\n" ); |
| } |
| |
| /*********************************************************************** |
| * EVENT_QueryZOrder |
| * |
| * Synchronize internal z-order with the window manager's. |
| */ |
| static BOOL __check_query_condition( WND** pWndA, WND** pWndB ) |
| { |
| /* return TRUE if we have at least two managed windows */ |
| |
| for( *pWndB = NULL; *pWndA; *pWndA = (*pWndA)->next ) |
| if( (*pWndA)->flags & WIN_MANAGED && |
| (*pWndA)->dwStyle & WS_VISIBLE ) break; |
| if( *pWndA ) |
| for( *pWndB = (*pWndA)->next; *pWndB; *pWndB = (*pWndB)->next ) |
| if( (*pWndB)->flags & WIN_MANAGED && |
| (*pWndB)->dwStyle & WS_VISIBLE ) break; |
| return ((*pWndB) != NULL); |
| } |
| |
| static Window __get_common_ancestor( Window A, Window B, |
| Window** children, unsigned* total ) |
| { |
| /* find the real root window */ |
| |
| Window root, *childrenB; |
| unsigned totalB; |
| |
| do |
| { |
| TSXQueryTree( display, A, &root, &A, children, total ); |
| TSXQueryTree( display, B, &root, &B, &childrenB, &totalB ); |
| if( childrenB ) TSXFree( childrenB ); |
| if( *children ) TSXFree( *children ), *children = NULL; |
| } while( A != B && A && B ); |
| |
| if( A && B ) |
| { |
| TSXQueryTree( display, A, &root, &B, children, total ); |
| return A; |
| } |
| return 0 ; |
| } |
| |
| static Window __get_top_decoration( Window w, Window ancestor ) |
| { |
| Window* children, root, prev = w, parent = w; |
| unsigned total; |
| |
| do |
| { |
| w = parent; |
| TSXQueryTree( display, w, &root, &parent, &children, &total ); |
| if( children ) TSXFree( children ); |
| } while( parent && parent != ancestor ); |
| TRACE("\t%08x -> %08x\n", (unsigned)prev, (unsigned)w ); |
| return ( parent ) ? w : 0 ; |
| } |
| |
| static unsigned __td_lookup( Window w, Window* list, unsigned max ) |
| { |
| unsigned i; |
| for( i = max - 1; i >= 0; i-- ) if( list[i] == w ) break; |
| return i; |
| } |
| |
| static HWND EVENT_QueryZOrder( HWND hWndCheck) |
| { |
| HWND hwndInsertAfter = HWND_TOP; |
| WND *pWndCheck = WIN_FindWndPtr(hWndCheck); |
| WND *pDesktop = WIN_GetDesktop(); |
| WND *pWnd, *pWndZ = WIN_LockWndPtr(pDesktop->child); |
| Window w, parent, *children = NULL; |
| unsigned total, check, pos, best; |
| |
| if( !__check_query_condition(&pWndZ, &pWnd) ) |
| { |
| WIN_ReleaseWndPtr(pWndCheck); |
| WIN_ReleaseWndPtr(pDesktop->child); |
| WIN_ReleaseDesktop(); |
| return hwndInsertAfter; |
| } |
| WIN_LockWndPtr(pWndZ); |
| WIN_LockWndPtr(pWnd); |
| WIN_ReleaseWndPtr(pDesktop->child); |
| WIN_ReleaseDesktop(); |
| |
| parent = __get_common_ancestor( X11DRV_WND_GetXWindow(pWndZ), |
| X11DRV_WND_GetXWindow(pWnd), |
| &children, &total ); |
| if( parent && children ) |
| { |
| /* w is the ancestor if pWndCheck that is a direct descendant of 'parent' */ |
| |
| w = __get_top_decoration( X11DRV_WND_GetXWindow(pWndCheck), parent ); |
| |
| if( w != children[total-1] ) /* check if at the top */ |
| { |
| /* X child at index 0 is at the bottom, at index total-1 is at the top */ |
| check = __td_lookup( w, children, total ); |
| best = total; |
| |
| for( WIN_UpdateWndPtr(&pWnd,pWndZ); pWnd;WIN_UpdateWndPtr(&pWnd,pWnd->next)) |
| { |
| /* go through all windows in Wine z-order... */ |
| |
| if( pWnd != pWndCheck ) |
| { |
| if( !(pWnd->flags & WIN_MANAGED) || |
| !(w = __get_top_decoration( X11DRV_WND_GetXWindow(pWnd), parent )) ) |
| continue; |
| pos = __td_lookup( w, children, total ); |
| if( pos < best && pos > check ) |
| { |
| /* find a nearest Wine window precedes |
| * pWndCheck in the real z-order... */ |
| best = pos; |
| hwndInsertAfter = pWnd->hwndSelf; |
| } |
| if( best - check == 1 ) break; |
| } |
| } |
| } |
| } |
| if( children ) TSXFree( children ); |
| WIN_ReleaseWndPtr(pWnd); |
| WIN_ReleaseWndPtr(pWndZ); |
| WIN_ReleaseWndPtr(pWndCheck); |
| return hwndInsertAfter; |
| } |
| |
| /*********************************************************************** |
| * X11DRV_EVENT_XStateToKeyState |
| * |
| * Translate a X event state (Button1Mask, ShiftMask, etc...) to |
| * a Windows key state (MK_SHIFT, MK_CONTROL, etc...) |
| */ |
| WORD X11DRV_EVENT_XStateToKeyState( int state ) |
| { |
| int kstate = 0; |
| |
| if (state & Button1Mask) kstate |= MK_LBUTTON; |
| if (state & Button2Mask) kstate |= MK_MBUTTON; |
| if (state & Button3Mask) kstate |= MK_RBUTTON; |
| if (state & ShiftMask) kstate |= MK_SHIFT; |
| if (state & ControlMask) kstate |= MK_CONTROL; |
| return kstate; |
| } |
| |
| /*********************************************************************** |
| * EVENT_Expose |
| */ |
| static void EVENT_Expose( HWND hWnd, XExposeEvent *event ) |
| { |
| RECT rect; |
| |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| /* Make position relative to client area instead of window */ |
| rect.left = event->x - (pWnd? (pWnd->rectClient.left - pWnd->rectWindow.left) : 0); |
| rect.top = event->y - (pWnd? (pWnd->rectClient.top - pWnd->rectWindow.top) : 0); |
| rect.right = rect.left + event->width; |
| rect.bottom = rect.top + event->height; |
| WIN_ReleaseWndPtr(pWnd); |
| |
| Callout.RedrawWindow( hWnd, &rect, 0, |
| RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE | |
| (event->count ? 0 : RDW_ERASENOW) ); |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_GraphicsExpose |
| * |
| * This is needed when scrolling area is partially obscured |
| * by non-Wine X window. |
| */ |
| static void EVENT_GraphicsExpose( HWND hWnd, XGraphicsExposeEvent *event ) |
| { |
| RECT rect; |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| |
| /* Make position relative to client area instead of window */ |
| rect.left = event->x - (pWnd? (pWnd->rectClient.left - pWnd->rectWindow.left) : 0); |
| rect.top = event->y - (pWnd? (pWnd->rectClient.top - pWnd->rectWindow.top) : 0); |
| rect.right = rect.left + event->width; |
| rect.bottom = rect.top + event->height; |
| |
| WIN_ReleaseWndPtr(pWnd); |
| |
| Callout.RedrawWindow( hWnd, &rect, 0, |
| RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE | |
| (event->count ? 0 : RDW_ERASENOW) ); |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_Key |
| * |
| * Handle a X key event |
| */ |
| static void EVENT_Key( HWND hWnd, XKeyEvent *event ) |
| { |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| X11DRV_KEYBOARD_HandleEvent( pWnd, event ); |
| WIN_ReleaseWndPtr(pWnd); |
| |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_MotionNotify |
| */ |
| static void EVENT_MotionNotify( HWND hWnd, XMotionEvent *event ) |
| { |
| if (current_input_type == X11DRV_INPUT_ABSOLUTE) { |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| int xOffset = pWnd? pWnd->rectWindow.left : 0; |
| int yOffset = pWnd? pWnd->rectWindow.top : 0; |
| WIN_ReleaseWndPtr(pWnd); |
| |
| MOUSE_SendEvent( MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE, |
| xOffset + event->x, yOffset + event->y, |
| X11DRV_EVENT_XStateToKeyState( event->state ), |
| event->time - MSG_WineStartTicks, |
| hWnd); |
| } else { |
| MOUSE_SendEvent( MOUSEEVENTF_MOVE, |
| event->x_root, event->y_root, |
| X11DRV_EVENT_XStateToKeyState( event->state ), |
| event->time - MSG_WineStartTicks, |
| hWnd); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_ButtonPress |
| */ |
| static void EVENT_ButtonPress( HWND hWnd, XButtonEvent *event ) |
| { |
| static WORD statusCodes[NB_BUTTONS] = |
| { MOUSEEVENTF_LEFTDOWN, MOUSEEVENTF_MIDDLEDOWN, MOUSEEVENTF_RIGHTDOWN }; |
| int buttonNum = event->button - 1; |
| |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| int xOffset = pWnd? pWnd->rectWindow.left : 0; |
| int yOffset = pWnd? pWnd->rectWindow.top : 0; |
| WORD keystate; |
| |
| WIN_ReleaseWndPtr(pWnd); |
| |
| if (buttonNum >= NB_BUTTONS) return; |
| |
| /* |
| * Get the compatible keystate |
| */ |
| keystate = X11DRV_EVENT_XStateToKeyState( event->state ); |
| |
| /* |
| * Make sure that the state of the button that was just |
| * pressed is "down". |
| */ |
| switch (buttonNum) |
| { |
| case 0: |
| keystate |= MK_LBUTTON; |
| break; |
| case 1: |
| keystate |= MK_MBUTTON; |
| break; |
| case 2: |
| keystate |= MK_RBUTTON; |
| break; |
| } |
| |
| MOUSE_SendEvent( statusCodes[buttonNum], |
| xOffset + event->x, yOffset + event->y, |
| keystate, |
| event->time - MSG_WineStartTicks, |
| hWnd); |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_ButtonRelease |
| */ |
| static void EVENT_ButtonRelease( HWND hWnd, XButtonEvent *event ) |
| { |
| static WORD statusCodes[NB_BUTTONS] = |
| { MOUSEEVENTF_LEFTUP, MOUSEEVENTF_MIDDLEUP, MOUSEEVENTF_RIGHTUP }; |
| int buttonNum = event->button - 1; |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| int xOffset = pWnd? pWnd->rectWindow.left : 0; |
| int yOffset = pWnd? pWnd->rectWindow.top : 0; |
| WORD keystate; |
| |
| WIN_ReleaseWndPtr(pWnd); |
| |
| if (buttonNum >= NB_BUTTONS) return; |
| |
| /* |
| * Get the compatible keystate |
| */ |
| keystate = X11DRV_EVENT_XStateToKeyState( event->state ); |
| |
| /* |
| * Make sure that the state of the button that was just |
| * released is "up". |
| */ |
| switch (buttonNum) |
| { |
| case 0: |
| keystate &= ~MK_LBUTTON; |
| break; |
| case 1: |
| keystate &= ~MK_MBUTTON; |
| break; |
| case 2: |
| keystate &= ~MK_RBUTTON; |
| break; |
| } |
| |
| MOUSE_SendEvent( statusCodes[buttonNum], |
| xOffset + event->x, yOffset + event->y, |
| keystate, |
| event->time - MSG_WineStartTicks, |
| hWnd); |
| } |
| |
| |
| /********************************************************************** |
| * EVENT_FocusIn |
| */ |
| static void EVENT_FocusIn( HWND hWnd, XFocusChangeEvent *event ) |
| { |
| if (event->detail != NotifyPointer) |
| if (hWnd != GetForegroundWindow()) |
| { |
| SetForegroundWindow( hWnd ); |
| X11DRV_KEYBOARD_UpdateState(); |
| } |
| } |
| |
| |
| /********************************************************************** |
| * EVENT_FocusOut |
| * |
| * Note: only top-level override-redirect windows get FocusOut events. |
| */ |
| static void EVENT_FocusOut( HWND hWnd, XFocusChangeEvent *event ) |
| { |
| if (event->detail != NotifyPointer) |
| if (hWnd == GetForegroundWindow()) |
| { |
| SendMessageA( hWnd, WM_CANCELMODE, 0, 0 ); |
| |
| /* Abey : 6-Oct-99. Check again if the focus out window is the |
| Foreground window, because in most cases the messages sent |
| above must have already changed the foreground window, in which |
| case we don't have to change the foreground window to 0 */ |
| |
| if (hWnd == GetForegroundWindow()) |
| SetForegroundWindow( 0 ); |
| } |
| } |
| |
| /********************************************************************** |
| * X11DRV_EVENT_CheckFocus |
| */ |
| BOOL X11DRV_EVENT_CheckFocus(void) |
| { |
| HWND hWnd; |
| Window xW; |
| int state; |
| |
| TSXGetInputFocus(display, &xW, &state); |
| if( xW == None || |
| TSXFindContext(display, xW, winContext, (char **)&hWnd) ) |
| return FALSE; |
| return TRUE; |
| } |
| |
| /********************************************************************** |
| * EVENT_GetGeometry |
| * |
| * Helper function for ConfigureNotify handling. |
| * Get the new geometry of a window relative to the root window. |
| */ |
| static void EVENT_GetGeometry( Window win, int *px, int *py, |
| unsigned int *pwidth, unsigned int *pheight ) |
| { |
| Window root, top; |
| int x, y, width, height, border, depth; |
| |
| EnterCriticalSection( &X11DRV_CritSection ); |
| |
| /* Get the geometry of the window */ |
| XGetGeometry( display, win, &root, &x, &y, &width, &height, |
| &border, &depth ); |
| |
| /* Translate the window origin to root coordinates */ |
| XTranslateCoordinates( display, win, root, 0, 0, &x, &y, &top ); |
| |
| LeaveCriticalSection( &X11DRV_CritSection ); |
| |
| *px = x; |
| *py = y; |
| *pwidth = width; |
| *pheight = height; |
| } |
| |
| /********************************************************************** |
| * EVENT_ConfigureNotify |
| * |
| * The ConfigureNotify event is only selected on top-level windows |
| * when the -managed flag is used. |
| */ |
| static void EVENT_ConfigureNotify( HWND hWnd, XConfigureEvent *event ) |
| { |
| RECT rectWindow; |
| int x, y, flags = 0; |
| unsigned int width, height; |
| HWND newInsertAfter, oldInsertAfter; |
| |
| /* Get geometry and Z-order according to X */ |
| |
| EVENT_GetGeometry( event->window, &x, &y, &width, &height ); |
| newInsertAfter = EVENT_QueryZOrder( hWnd ); |
| |
| /* Get geometry and Z-order according to Wine */ |
| |
| /* |
| * Needs to find the first Visible Window above the current one |
| */ |
| oldInsertAfter = hWnd; |
| for (;;) |
| { |
| oldInsertAfter = GetWindow( oldInsertAfter, GW_HWNDPREV ); |
| if (!oldInsertAfter) |
| { |
| oldInsertAfter = HWND_TOP; |
| break; |
| } |
| if (GetWindowLongA( oldInsertAfter, GWL_STYLE ) & WS_VISIBLE) break; |
| } |
| |
| /* Compare what has changed */ |
| |
| GetWindowRect( hWnd, &rectWindow ); |
| if ( rectWindow.left == x && rectWindow.top == y ) |
| flags |= SWP_NOMOVE; |
| else |
| TRACE_(win)( "%04x moving from (%d,%d) to (%d,%d)\n", hWnd, |
| rectWindow.left, rectWindow.top, x, y ); |
| |
| if ( rectWindow.right - rectWindow.left == width |
| && rectWindow.bottom - rectWindow.top == height ) |
| flags |= SWP_NOSIZE; |
| else |
| TRACE_(win)( "%04x resizing from (%d,%d) to (%d,%d)\n", hWnd, |
| rectWindow.right - rectWindow.left, |
| rectWindow.bottom - rectWindow.top, width, height ); |
| |
| if ( newInsertAfter == oldInsertAfter ) |
| flags |= SWP_NOZORDER; |
| else |
| TRACE_(win)( "%04x restacking from after %04x to after %04x\n", hWnd, |
| oldInsertAfter, newInsertAfter ); |
| |
| /* If anything changed, call SetWindowPos */ |
| |
| if ( flags != (SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER) ) |
| SetWindowPos( hWnd, newInsertAfter, x, y, width, height, |
| flags | SWP_NOACTIVATE | SWP_WINE_NOHOSTMOVE ); |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_SelectionRequest_TARGETS |
| * Service a TARGETS selection request event |
| */ |
| static Atom EVENT_SelectionRequest_TARGETS( Window requestor, Atom target, Atom rprop ) |
| { |
| Atom xaTargets = TSXInternAtom(display, "TARGETS", False); |
| Atom* targets; |
| Atom prop; |
| UINT wFormat; |
| unsigned long cTargets; |
| BOOL bHavePixmap; |
| int xRc; |
| |
| TRACE("Request for %s\n", TSXGetAtomName(display, target)); |
| |
| /* |
| * Count the number of items we wish to expose as selection targets. |
| * We include the TARGETS item, and a PIXMAP if we have CF_DIB or CF_BITMAP |
| */ |
| cTargets = CountClipboardFormats() + 1; |
| if ( CLIPBOARD_IsPresent(CF_DIB) || CLIPBOARD_IsPresent(CF_BITMAP) ) |
| cTargets++; |
| |
| /* Allocate temp buffer */ |
| targets = (Atom*)HEAP_xalloc( GetProcessHeap(), 0, cTargets * sizeof(Atom)); |
| |
| /* Create TARGETS property list (First item in list is TARGETS itself) */ |
| |
| for ( targets[0] = xaTargets, cTargets = 1, wFormat = 0, bHavePixmap = FALSE; |
| (wFormat = EnumClipboardFormats( wFormat )); ) |
| { |
| if ( (prop = X11DRV_CLIPBOARD_MapFormatToProperty(wFormat)) != None ) |
| { |
| /* Scan through what we have so far to avoid duplicates */ |
| int i; |
| BOOL bExists; |
| for (i = 0, bExists = FALSE; i < cTargets; i++) |
| { |
| if (targets[i] == prop) |
| { |
| bExists = TRUE; |
| break; |
| } |
| } |
| if (!bExists) |
| { |
| targets[cTargets++] = prop; |
| |
| /* Add PIXMAP prop for bitmaps additionally */ |
| if ( (wFormat == CF_DIB || wFormat == CF_BITMAP ) |
| && !bHavePixmap ) |
| { |
| targets[cTargets++] = XA_PIXMAP; |
| bHavePixmap = TRUE; |
| } |
| } |
| } |
| } |
| |
| #ifdef DEBUG_RUNTIME |
| { |
| int i; |
| for ( i = 0; i < cTargets; i++) |
| { |
| if (targets[i]) |
| { |
| char *itemFmtName = TSXGetAtomName(display, targets[i]); |
| TRACE("\tAtom# %d: Type %s\n", i, itemFmtName); |
| TSXFree(itemFmtName); |
| } |
| } |
| } |
| #endif |
| |
| /* Update the X property */ |
| TRACE("\tUpdating property %s...", TSXGetAtomName(display, rprop)); |
| |
| /* We may want to consider setting the type to xaTargets instead, |
| * in case some apps expect this instead of XA_ATOM */ |
| xRc = TSXChangeProperty(display, requestor, rprop, |
| XA_ATOM, 32, PropModeReplace, |
| (unsigned char *)targets, cTargets); |
| TRACE("(Rc=%d)\n", xRc); |
| |
| HeapFree( GetProcessHeap(), 0, targets ); |
| |
| return rprop; |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_SelectionRequest_STRING |
| * Service a STRING selection request event |
| */ |
| static Atom EVENT_SelectionRequest_STRING( Window requestor, Atom target, Atom rprop ) |
| { |
| HANDLE16 hText; |
| LPSTR text; |
| int size,i,j; |
| char* lpstr = 0; |
| char *itemFmtName; |
| int xRc; |
| |
| /* |
| * Map the requested X selection property type atom name to a |
| * windows clipboard format ID. |
| */ |
| itemFmtName = TSXGetAtomName(display, target); |
| TRACE("Request for %s (wFormat=%x %s)\n", |
| itemFmtName, CF_TEXT, CLIPBOARD_GetFormatName(CF_TEXT)); |
| TSXFree(itemFmtName); |
| |
| if ( !CLIPBOARD_IsPresent(CF_TEXT) ) |
| { |
| rprop = None; |
| goto END; |
| } |
| |
| hText = GetClipboardData16(CF_TEXT); |
| text = GlobalLock16(hText); |
| size = GlobalSize16(hText); |
| |
| /* remove carriage returns */ |
| |
| lpstr = (char*)HEAP_xalloc( GetProcessHeap(), 0, size-- ); |
| for(i=0,j=0; i < size && text[i]; i++ ) |
| { |
| if( text[i] == '\r' && |
| (text[i+1] == '\n' || text[i+1] == '\0') ) continue; |
| lpstr[j++] = text[i]; |
| } |
| lpstr[j]='\0'; |
| |
| /* Update the X property */ |
| TRACE("\tUpdating property %s...\n", TSXGetAtomName(display, rprop)); |
| xRc = TSXChangeProperty(display, requestor, rprop, |
| XA_STRING, 8, PropModeReplace, |
| lpstr, j); |
| TRACE("(Rc=%d)\n", xRc); |
| |
| GlobalUnlock16(hText); |
| HeapFree( GetProcessHeap(), 0, lpstr ); |
| |
| END: |
| return rprop; |
| } |
| |
| /*********************************************************************** |
| * EVENT_SelectionRequest_PIXMAP |
| * Service a PIXMAP selection request event |
| */ |
| static Atom EVENT_SelectionRequest_PIXMAP( Window requestor, Atom target, Atom rprop ) |
| { |
| HANDLE hClipData = 0; |
| Pixmap pixmap = 0; |
| UINT wFormat; |
| char * itemFmtName; |
| int xRc; |
| #if(0) |
| XSetWindowAttributes win_attr; |
| XWindowAttributes win_attr_src; |
| #endif |
| |
| /* |
| * Map the requested X selection property type atom name to a |
| * windows clipboard format ID. |
| */ |
| itemFmtName = TSXGetAtomName(display, target); |
| wFormat = X11DRV_CLIPBOARD_MapPropertyToFormat(itemFmtName); |
| TRACE("Request for %s (wFormat=%x %s)\n", |
| itemFmtName, wFormat, CLIPBOARD_GetFormatName( wFormat)); |
| TSXFree(itemFmtName); |
| |
| hClipData = GetClipboardData(wFormat); |
| if ( !hClipData ) |
| { |
| TRACE("Could not retrieve a Pixmap compatible format from clipboard!\n"); |
| rprop = None; /* Fail the request */ |
| goto END; |
| } |
| |
| if (wFormat == CF_DIB) |
| { |
| HWND hwnd = GetOpenClipboardWindow(); |
| HDC hdc = GetDC(hwnd); |
| |
| /* For convert from packed DIB to Pixmap */ |
| pixmap = X11DRV_DIB_CreatePixmapFromDIB(hClipData, hdc); |
| |
| ReleaseDC(hdc, hwnd); |
| } |
| else if (wFormat == CF_BITMAP) |
| { |
| HWND hwnd = GetOpenClipboardWindow(); |
| HDC hdc = GetDC(hwnd); |
| |
| pixmap = X11DRV_BITMAP_CreatePixmapFromBitmap(hClipData, hdc); |
| |
| ReleaseDC(hdc, hwnd); |
| } |
| else |
| { |
| FIXME("%s to PIXMAP conversion not yet implemented!\n", |
| CLIPBOARD_GetFormatName(wFormat)); |
| rprop = None; |
| goto END; |
| } |
| |
| TRACE("\tUpdating property %s on Window %ld with %s %ld...\n", |
| TSXGetAtomName(display, rprop), (long)requestor, |
| TSXGetAtomName(display, target), pixmap); |
| |
| /* Store the Pixmap handle in the property */ |
| xRc = TSXChangeProperty(display, requestor, rprop, target, |
| 32, PropModeReplace, |
| (unsigned char *)&pixmap, 1); |
| TRACE("(Rc=%d)\n", xRc); |
| |
| /* Enable the code below if you want to handle destroying Pixmap resources |
| * in response to property notify events. Clients like XPaint don't |
| * appear to be duplicating Pixmaps so they don't like us deleting, |
| * the resource in response to the property being deleted. |
| */ |
| #if(0) |
| /* Express interest in property notify events so that we can delete the |
| * pixmap when the client deletes the property atom. |
| */ |
| xRc = TSXGetWindowAttributes(display, requestor, &win_attr_src); |
| TRACE("Turning on PropertyChangeEvent notifications from window %ld\n", |
| (long)requestor); |
| win_attr.event_mask = win_attr_src.your_event_mask | PropertyChangeMask; |
| TSXChangeWindowAttributes(display, requestor, CWEventMask, &win_attr); |
| |
| /* Register the Pixmap we created with the request property Atom. |
| * When this property is destroyed we also destroy the Pixmap in |
| * response to the PropertyNotify event. |
| */ |
| X11DRV_CLIPBOARD_RegisterPixmapResource( rprop, pixmap ); |
| #endif |
| |
| END: |
| return rprop; |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_SelectionRequest_WCF |
| * Service a Wine Clipboard Format selection request event. |
| * For <WCF>* data types we simply copy the data to X without conversion. |
| */ |
| static Atom EVENT_SelectionRequest_WCF( Window requestor, Atom target, Atom rprop ) |
| { |
| HANDLE hClipData = 0; |
| void* lpClipData; |
| UINT wFormat; |
| char * itemFmtName; |
| int cBytes; |
| int xRc; |
| |
| /* |
| * Map the requested X selection property type atom name to a |
| * windows clipboard format ID. |
| */ |
| itemFmtName = TSXGetAtomName(display, target); |
| wFormat = X11DRV_CLIPBOARD_MapPropertyToFormat(itemFmtName); |
| TRACE("Request for %s (wFormat=%x %s)\n", |
| itemFmtName, wFormat, CLIPBOARD_GetFormatName( wFormat)); |
| TSXFree(itemFmtName); |
| |
| hClipData = GetClipboardData16(wFormat); |
| |
| if( hClipData && (lpClipData = GlobalLock16(hClipData)) ) |
| { |
| cBytes = GlobalSize16(hClipData); |
| |
| TRACE("\tUpdating property %s, %d bytes...\n", |
| TSXGetAtomName(display, rprop), cBytes); |
| |
| xRc = TSXChangeProperty(display, requestor, rprop, |
| target, 8, PropModeReplace, |
| (unsigned char *)lpClipData, cBytes); |
| TRACE("(Rc=%d)\n", xRc); |
| |
| GlobalUnlock16(hClipData); |
| } |
| else |
| { |
| TRACE("\tCould not retrieve native format!\n"); |
| rprop = None; /* Fail the request */ |
| } |
| |
| return rprop; |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_SelectionRequest_MULTIPLE |
| * Service a MULTIPLE selection request event |
| * rprop contains a list of (target,property) atom pairs. |
| * The first atom names a target and the second names a property. |
| * The effect is as if we have received a sequence of SelectionRequest events |
| * (one for each atom pair) except that: |
| * 1. We reply with a SelectionNotify only when all the requested conversions |
| * have been performed. |
| * 2. If we fail to convert the target named by an atom in the MULTIPLE property, |
| * we replace the atom in the property by None. |
| */ |
| static Atom EVENT_SelectionRequest_MULTIPLE( HWND hWnd, XSelectionRequestEvent *pevent ) |
| { |
| Atom rprop; |
| Atom atype=AnyPropertyType; |
| int aformat; |
| unsigned long remain; |
| Atom* targetPropList=NULL; |
| unsigned long cTargetPropList = 0; |
| /* Atom xAtomPair = TSXInternAtom(display, "ATOM_PAIR", False); */ |
| |
| /* If the specified property is None the requestor is an obsolete client. |
| * We support these by using the specified target atom as the reply property. |
| */ |
| rprop = pevent->property; |
| if( rprop == None ) |
| rprop = pevent->target; |
| if (!rprop) |
| goto END; |
| |
| /* Read the MULTIPLE property contents. This should contain a list of |
| * (target,property) atom pairs. |
| */ |
| if(TSXGetWindowProperty(display, pevent->requestor, rprop, |
| 0, 0x3FFF, False, AnyPropertyType, &atype,&aformat, |
| &cTargetPropList, &remain, |
| (unsigned char**)&targetPropList) != Success) |
| TRACE("\tCouldn't read MULTIPLE property\n"); |
| else |
| { |
| TRACE("\tType %s,Format %d,nItems %ld, Remain %ld\n", |
| TSXGetAtomName(display, atype), aformat, cTargetPropList, remain); |
| |
| /* |
| * Make sure we got what we expect. |
| * NOTE: According to the X-ICCCM Version 2.0 documentation the property sent |
| * in a MULTIPLE selection request should be of type ATOM_PAIR. |
| * However some X apps(such as XPaint) are not compliant with this and return |
| * a user defined atom in atype when XGetWindowProperty is called. |
| * The data *is* an atom pair but is not denoted as such. |
| */ |
| if(aformat == 32 /* atype == xAtomPair */ ) |
| { |
| int i; |
| |
| /* Iterate through the ATOM_PAIR list and execute a SelectionRequest |
| * for each (target,property) pair */ |
| |
| for (i = 0; i < cTargetPropList; i+=2) |
| { |
| char *targetName = TSXGetAtomName(display, targetPropList[i]); |
| char *propName = TSXGetAtomName(display, targetPropList[i+1]); |
| XSelectionRequestEvent event; |
| |
| TRACE("MULTIPLE(%d): Target='%s' Prop='%s'\n", |
| i/2, targetName, propName); |
| TSXFree(targetName); |
| TSXFree(propName); |
| |
| /* We must have a non "None" property to service a MULTIPLE target atom */ |
| if ( !targetPropList[i+1] ) |
| { |
| TRACE("\tMULTIPLE(%d): Skipping target with empty property!", i); |
| continue; |
| } |
| |
| /* Set up an XSelectionRequestEvent for this (target,property) pair */ |
| memcpy( &event, pevent, sizeof(XSelectionRequestEvent) ); |
| event.target = targetPropList[i]; |
| event.property = targetPropList[i+1]; |
| |
| /* Fire a SelectionRequest, informing the handler that we are processing |
| * a MULTIPLE selection request event. |
| */ |
| EVENT_SelectionRequest( hWnd, &event, TRUE ); |
| } |
| } |
| |
| /* Free the list of targets/properties */ |
| TSXFree(targetPropList); |
| } |
| |
| END: |
| return rprop; |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_SelectionRequest |
| * Process an event selection request event. |
| * The bIsMultiple flag is used to signal when EVENT_SelectionRequest is called |
| * recursively while servicing a "MULTIPLE" selection target. |
| * |
| * Note: We only receive this event when WINE owns the X selection |
| */ |
| static void EVENT_SelectionRequest( HWND hWnd, XSelectionRequestEvent *event, BOOL bIsMultiple ) |
| { |
| XSelectionEvent result; |
| Atom rprop = None; |
| Window request = event->requestor; |
| BOOL couldOpen = FALSE; |
| Atom xaClipboard = TSXInternAtom(display, "CLIPBOARD", False); |
| Atom xaTargets = TSXInternAtom(display, "TARGETS", False); |
| Atom xaMultiple = TSXInternAtom(display, "MULTIPLE", False); |
| |
| /* |
| * We can only handle the selection request if : |
| * The selection is PRIMARY or CLIPBOARD, AND we can successfully open the clipboard. |
| * Don't do these checks or open the clipboard while recursively processing MULTIPLE, |
| * since this has been already done. |
| */ |
| if ( !bIsMultiple ) |
| { |
| if ( ( (event->selection != XA_PRIMARY) && (event->selection != xaClipboard) ) |
| || !(couldOpen = OpenClipboard(hWnd)) ) |
| goto END; |
| } |
| |
| /* If the specified property is None the requestor is an obsolete client. |
| * We support these by using the specified target atom as the reply property. |
| */ |
| rprop = event->property; |
| if( rprop == None ) |
| rprop = event->target; |
| |
| if(event->target == xaTargets) /* Return a list of all supported targets */ |
| { |
| /* TARGETS selection request */ |
| rprop = EVENT_SelectionRequest_TARGETS( request, event->target, rprop ); |
| } |
| else if(event->target == xaMultiple) /* rprop contains a list of (target, property) atom pairs */ |
| { |
| /* MULTIPLE selection request */ |
| rprop = EVENT_SelectionRequest_MULTIPLE( hWnd, event ); |
| } |
| else if(event->target == XA_STRING) /* treat CF_TEXT as Unix text */ |
| { |
| /* XA_STRING selection request */ |
| rprop = EVENT_SelectionRequest_STRING( request, event->target, rprop ); |
| } |
| else if(event->target == XA_PIXMAP) /* Convert DIB's to Pixmaps */ |
| { |
| /* XA_PIXMAP selection request */ |
| rprop = EVENT_SelectionRequest_PIXMAP( request, event->target, rprop ); |
| } |
| else if(event->target == XA_BITMAP) /* Convert DIB's to 1-bit Pixmaps */ |
| { |
| /* XA_BITMAP selection request - TODO: create a monochrome Pixmap */ |
| rprop = EVENT_SelectionRequest_PIXMAP( request, XA_PIXMAP, rprop ); |
| } |
| else if(X11DRV_CLIPBOARD_IsNativeProperty(event->target)) /* <WCF>* */ |
| { |
| /* All <WCF> selection requests */ |
| rprop = EVENT_SelectionRequest_WCF( request, event->target, rprop ); |
| } |
| else |
| rprop = None; /* Don't support this format */ |
| |
| END: |
| /* close clipboard only if we opened before */ |
| if(couldOpen) CloseClipboard(); |
| |
| if( rprop == None) |
| TRACE("\tRequest ignored\n"); |
| |
| /* reply to sender |
| * SelectionNotify should be sent only at the end of a MULTIPLE request |
| */ |
| if ( !bIsMultiple ) |
| { |
| result.type = SelectionNotify; |
| result.display = display; |
| result.requestor = request; |
| result.selection = event->selection; |
| result.property = rprop; |
| result.target = event->target; |
| result.time = event->time; |
| TRACE("Sending SelectionNotify event...\n"); |
| TSXSendEvent(display,event->requestor,False,NoEventMask,(XEvent*)&result); |
| } |
| } |
| |
| /*********************************************************************** |
| * EVENT_SelectionClear |
| */ |
| static void EVENT_SelectionClear( HWND hWnd, XSelectionClearEvent *event ) |
| { |
| Atom xaClipboard = TSXInternAtom(display, "CLIPBOARD", False); |
| |
| if (event->selection == XA_PRIMARY || event->selection == xaClipboard) |
| X11DRV_CLIPBOARD_ReleaseSelection( event->selection, event->window, hWnd ); |
| } |
| |
| /*********************************************************************** |
| * EVENT_PropertyNotify |
| * We use this to release resources like Pixmaps when a selection |
| * client no longer needs them. |
| */ |
| static void EVENT_PropertyNotify( XPropertyEvent *event ) |
| { |
| /* Check if we have any resources to free */ |
| TRACE("Received PropertyNotify event: "); |
| |
| switch(event->state) |
| { |
| case PropertyDelete: |
| { |
| TRACE("\tPropertyDelete for atom %s on window %ld\n", |
| TSXGetAtomName(event->display, event->atom), (long)event->window); |
| |
| if (X11DRV_CLIPBOARD_IsSelectionowner()) |
| X11DRV_CLIPBOARD_FreeResources( event->atom ); |
| break; |
| } |
| |
| case PropertyNewValue: |
| { |
| TRACE("\tPropertyNewValue for atom %s on window %ld\n\n", |
| TSXGetAtomName(event->display, event->atom), (long)event->window); |
| break; |
| } |
| |
| default: |
| break; |
| } |
| } |
| |
| /********************************************************************** |
| * EVENT_DropFromOffix |
| * |
| * don't know if it still works (last Changlog is from 96/11/04) |
| */ |
| static void EVENT_DropFromOffiX( HWND hWnd, XClientMessageEvent *event ) |
| { |
| unsigned long data_length; |
| unsigned long aux_long; |
| unsigned char* p_data = NULL; |
| union { |
| Atom atom_aux; |
| struct { |
| int x; |
| int y; |
| } pt_aux; |
| int i; |
| } u; |
| int x, y; |
| BOOL16 bAccept; |
| HGLOBAL16 hDragInfo = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, sizeof(DRAGINFO)); |
| LPDRAGINFO lpDragInfo = (LPDRAGINFO) GlobalLock16(hDragInfo); |
| SEGPTR spDragInfo = (SEGPTR) WIN16_GlobalLock16(hDragInfo); |
| Window w_aux_root, w_aux_child; |
| WND* pDropWnd; |
| WND* pWnd; |
| |
| if( !lpDragInfo || !spDragInfo ) return; |
| |
| pWnd = WIN_FindWndPtr(hWnd); |
| |
| TSXQueryPointer( display, X11DRV_WND_GetXWindow(pWnd), &w_aux_root, &w_aux_child, |
| &x, &y, (int *) &u.pt_aux.x, (int *) &u.pt_aux.y, |
| (unsigned int*)&aux_long); |
| |
| lpDragInfo->hScope = hWnd; |
| lpDragInfo->pt.x = (INT16)x; lpDragInfo->pt.y = (INT16)y; |
| |
| /* find out drop point and drop window */ |
| if( x < 0 || y < 0 || |
| x > (pWnd->rectWindow.right - pWnd->rectWindow.left) || |
| y > (pWnd->rectWindow.bottom - pWnd->rectWindow.top) ) |
| { bAccept = pWnd->dwExStyle & WS_EX_ACCEPTFILES; x = y = 0; } |
| else |
| { |
| bAccept = DRAG_QueryUpdate( hWnd, spDragInfo, TRUE ); |
| x = lpDragInfo->pt.x; y = lpDragInfo->pt.y; |
| } |
| pDropWnd = WIN_FindWndPtr( lpDragInfo->hScope ); |
| WIN_ReleaseWndPtr(pWnd); |
| |
| GlobalFree16( hDragInfo ); |
| |
| if( bAccept ) |
| { |
| TSXGetWindowProperty( display, DefaultRootWindow(display), |
| dndSelection, 0, 65535, FALSE, |
| AnyPropertyType, &u.atom_aux, (int *) &u.pt_aux.y, |
| &data_length, &aux_long, &p_data); |
| |
| if( !aux_long && p_data) /* don't bother if > 64K */ |
| { |
| char *p = (char*) p_data; |
| char *p_drop; |
| |
| aux_long = 0; |
| while( *p ) /* calculate buffer size */ |
| { |
| p_drop = p; |
| if((u.i = *p) != -1 ) |
| u.i = DRIVE_FindDriveRoot( (const char **)&p_drop ); |
| if( u.i == -1 ) *p = -1; /* mark as "bad" */ |
| else |
| { |
| INT len = GetShortPathNameA( p, NULL, 0 ); |
| if (len) aux_long += len + 1; |
| else *p = -1; |
| } |
| p += strlen(p) + 1; |
| } |
| if( aux_long && aux_long < 65535 ) |
| { |
| HDROP16 hDrop; |
| LPDROPFILESTRUCT16 lpDrop; |
| |
| aux_long += sizeof(DROPFILESTRUCT16) + 1; |
| hDrop = (HDROP16)GlobalAlloc16( GMEM_SHARE, aux_long ); |
| lpDrop = (LPDROPFILESTRUCT16) GlobalLock16( hDrop ); |
| |
| if( lpDrop ) |
| { |
| lpDrop->wSize = sizeof(DROPFILESTRUCT16); |
| lpDrop->ptMousePos.x = (INT16)x; |
| lpDrop->ptMousePos.y = (INT16)y; |
| lpDrop->fInNonClientArea = (BOOL16) |
| ( x < (pDropWnd->rectClient.left - pDropWnd->rectWindow.left) || |
| y < (pDropWnd->rectClient.top - pDropWnd->rectWindow.top) || |
| x > (pDropWnd->rectClient.right - pDropWnd->rectWindow.left) || |
| y > (pDropWnd->rectClient.bottom - pDropWnd->rectWindow.top) ); |
| p_drop = ((char*)lpDrop) + sizeof(DROPFILESTRUCT16); |
| p = p_data; |
| while(*p) |
| { |
| if( *p != -1 ) /* use only "good" entries */ |
| { |
| GetShortPathNameA( p, p_drop, 65535 ); |
| p_drop += strlen( p_drop ) + 1; |
| } |
| p += strlen(p) + 1; |
| } |
| *p_drop = '\0'; |
| PostMessage16( hWnd, WM_DROPFILES, |
| (WPARAM16)hDrop, 0L ); |
| } |
| } |
| } |
| if( p_data ) TSXFree(p_data); |
| |
| } /* WS_EX_ACCEPTFILES */ |
| |
| WIN_ReleaseWndPtr(pDropWnd); |
| } |
| |
| /********************************************************************** |
| * EVENT_DropURLs |
| * |
| * drop items are separated by \n |
| * each item is prefixed by its mime type |
| * |
| * event->data.l[3], event->data.l[4] contains drop x,y position |
| */ |
| static void EVENT_DropURLs( HWND hWnd, XClientMessageEvent *event ) |
| { |
| WND *pDropWnd; |
| WND *pWnd; |
| unsigned long data_length; |
| unsigned long aux_long, drop_len = 0; |
| unsigned char *p_data = NULL; /* property data */ |
| char *p_drop = NULL; |
| char *p, *next; |
| int x, y, drop32 = FALSE ; |
| union { |
| Atom atom_aux; |
| int i; |
| Window w_aux; |
| } u; /* unused */ |
| union { |
| HDROP16 h16; |
| HDROP h32; |
| } hDrop; |
| |
| pWnd = WIN_FindWndPtr(hWnd); |
| drop32 = pWnd->flags & WIN_ISWIN32; |
| |
| if (!(pWnd->dwExStyle & WS_EX_ACCEPTFILES)) |
| { |
| WIN_ReleaseWndPtr(pWnd); |
| return; |
| } |
| WIN_ReleaseWndPtr(pWnd); |
| |
| TSXGetWindowProperty( display, DefaultRootWindow(display), |
| dndSelection, 0, 65535, FALSE, |
| AnyPropertyType, &u.atom_aux, &u.i, |
| &data_length, &aux_long, &p_data); |
| if (aux_long) |
| WARN("property too large, truncated!\n"); |
| TRACE("urls=%s\n", p_data); |
| |
| if( !aux_long && p_data) { /* don't bother if > 64K */ |
| /* calculate length */ |
| p = p_data; |
| next = strchr(p, '\n'); |
| while (p) { |
| if (next) *next=0; |
| if (strncmp(p,"file:",5) == 0 ) { |
| INT len = GetShortPathNameA( p+5, NULL, 0 ); |
| if (len) drop_len += len + 1; |
| } |
| if (next) { |
| *next = '\n'; |
| p = next + 1; |
| next = strchr(p, '\n'); |
| } else { |
| p = NULL; |
| } |
| } |
| |
| if( drop_len && drop_len < 65535 ) { |
| TSXQueryPointer( display, X11DRV_GetXRootWindow(), &u.w_aux, &u.w_aux, |
| &x, &y, &u.i, &u.i, &u.i); |
| |
| pDropWnd = WIN_FindWndPtr( hWnd ); |
| |
| if (drop32) { |
| LPDROPFILESTRUCT lpDrop; |
| drop_len += sizeof(DROPFILESTRUCT) + 1; |
| hDrop.h32 = (HDROP)GlobalAlloc( GMEM_SHARE, drop_len ); |
| lpDrop = (LPDROPFILESTRUCT) GlobalLock( hDrop.h32 ); |
| |
| if( lpDrop ) { |
| lpDrop->lSize = sizeof(DROPFILESTRUCT); |
| lpDrop->ptMousePos.x = (INT)x; |
| lpDrop->ptMousePos.y = (INT)y; |
| lpDrop->fInNonClientArea = (BOOL) |
| ( x < (pDropWnd->rectClient.left - pDropWnd->rectWindow.left) || |
| y < (pDropWnd->rectClient.top - pDropWnd->rectWindow.top) || |
| x > (pDropWnd->rectClient.right - pDropWnd->rectWindow.left) || |
| y > (pDropWnd->rectClient.bottom - pDropWnd->rectWindow.top) ); |
| lpDrop->fWideChar = FALSE; |
| p_drop = ((char*)lpDrop) + sizeof(DROPFILESTRUCT); |
| } |
| } else { |
| LPDROPFILESTRUCT16 lpDrop; |
| drop_len += sizeof(DROPFILESTRUCT16) + 1; |
| hDrop.h16 = (HDROP16)GlobalAlloc16( GMEM_SHARE, drop_len ); |
| lpDrop = (LPDROPFILESTRUCT16) GlobalLock16( hDrop.h16 ); |
| |
| if( lpDrop ) { |
| lpDrop->wSize = sizeof(DROPFILESTRUCT16); |
| lpDrop->ptMousePos.x = (INT16)x; |
| lpDrop->ptMousePos.y = (INT16)y; |
| lpDrop->fInNonClientArea = (BOOL16) |
| ( x < (pDropWnd->rectClient.left - pDropWnd->rectWindow.left) || |
| y < (pDropWnd->rectClient.top - pDropWnd->rectWindow.top) || |
| x > (pDropWnd->rectClient.right - pDropWnd->rectWindow.left) || |
| y > (pDropWnd->rectClient.bottom - pDropWnd->rectWindow.top) ); |
| p_drop = ((char*)lpDrop) + sizeof(DROPFILESTRUCT16); |
| } |
| } |
| |
| /* create message content */ |
| if (p_drop) { |
| p = p_data; |
| next = strchr(p, '\n'); |
| while (p) { |
| if (next) *next=0; |
| if (strncmp(p,"file:",5) == 0 ) { |
| INT len = GetShortPathNameA( p+5, p_drop, 65535 ); |
| if (len) { |
| TRACE("drop file %s as %s\n", p+5, p_drop); |
| p_drop += len+1; |
| } else { |
| WARN("can't convert file %s to dos name \n", p+5); |
| } |
| } else { |
| WARN("unknown mime type %s\n", p); |
| } |
| if (next) { |
| *next = '\n'; |
| p = next + 1; |
| next = strchr(p, '\n'); |
| } else { |
| p = NULL; |
| } |
| *p_drop = '\0'; |
| } |
| |
| if (drop32) { |
| /* can not use PostMessage32A because it is currently based on |
| * PostMessage16 and WPARAM32 would be truncated to WPARAM16 |
| */ |
| GlobalUnlock(hDrop.h32); |
| SendMessageA( hWnd, WM_DROPFILES, |
| (WPARAM)hDrop.h32, 0L ); |
| } else { |
| GlobalUnlock16(hDrop.h16); |
| PostMessage16( hWnd, WM_DROPFILES, |
| (WPARAM16)hDrop.h16, 0L ); |
| } |
| } |
| WIN_ReleaseWndPtr(pDropWnd); |
| } |
| if( p_data ) TSXFree(p_data); |
| } |
| } |
| |
| /********************************************************************** |
| * EVENT_ClientMessage |
| */ |
| static void EVENT_ClientMessage( HWND hWnd, XClientMessageEvent *event ) |
| { |
| if (event->message_type != None && event->format == 32) { |
| if ((event->message_type == wmProtocols) && |
| (((Atom) event->data.l[0]) == wmDeleteWindow)) |
| { |
| /* Ignore the delete window request if the window has been disabled |
| * and we are in managed mode. This is to disallow applications from |
| * being closed by the window manager while in a modal state. |
| */ |
| BOOL bIsDisabled; |
| bIsDisabled = GetWindowLongA( hWnd, GWL_STYLE ) & WS_DISABLED; |
| |
| if ( !Options.managed || !bIsDisabled ) |
| PostMessage16( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 ); |
| } |
| else if ( event->message_type == dndProtocol && |
| (event->data.l[0] == DndFile || event->data.l[0] == DndFiles) ) |
| EVENT_DropFromOffiX(hWnd, event); |
| else if ( event->message_type == dndProtocol && |
| event->data.l[0] == DndURL ) |
| EVENT_DropURLs(hWnd, event); |
| else { |
| #if 0 |
| /* enable this if you want to see the message */ |
| unsigned char* p_data = NULL; |
| union { |
| unsigned long l; |
| int i; |
| Atom atom; |
| } u; /* unused */ |
| TSXGetWindowProperty( display, DefaultRootWindow(display), |
| dndSelection, 0, 65535, FALSE, |
| AnyPropertyType, &u.atom, &u.i, |
| &u.l, &u.l, &p_data); |
| TRACE("message_type=%ld, data=%ld,%ld,%ld,%ld,%ld, msg=%s\n", |
| event->message_type, event->data.l[0], event->data.l[1], |
| event->data.l[2], event->data.l[3], event->data.l[4], |
| p_data); |
| #endif |
| TRACE("unrecognized ClientMessage\n" ); |
| } |
| } |
| } |
| |
| /********************************************************************** |
| * EVENT_EnterNotify |
| * |
| * Install colormap when Wine window is focused in |
| * self-managed mode with private colormap |
| */ |
| #if 0 |
| void EVENT_EnterNotify( HWND hWnd, XCrossingEvent *event ) |
| { |
| if( !Options.managed && X11DRV_GetXRootWindow() == DefaultRootWindow(display) && |
| (COLOR_GetSystemPaletteFlags() & COLOR_PRIVATE) && GetFocus() ) |
| TSXInstallColormap( display, X11DRV_PALETTE_GetColormap() ); |
| } |
| #endif |
| |
| /********************************************************************** |
| * EVENT_MapNotify |
| */ |
| void EVENT_MapNotify( HWND hWnd, XMapEvent *event ) |
| { |
| HWND hwndFocus = GetFocus(); |
| WND *wndFocus = WIN_FindWndPtr(hwndFocus); |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| if (pWnd->flags & WIN_MANAGED) |
| { |
| pWnd->dwStyle &= ~WS_MINIMIZE; |
| ShowOwnedPopups(hWnd,TRUE); |
| } |
| WIN_ReleaseWndPtr(pWnd); |
| |
| if (hwndFocus && IsChild( hWnd, hwndFocus )) |
| X11DRV_WND_SetFocus(wndFocus); |
| |
| WIN_ReleaseWndPtr(wndFocus); |
| |
| return; |
| } |
| |
| |
| /********************************************************************** |
| * EVENT_MapNotify |
| */ |
| void EVENT_UnmapNotify( HWND hWnd, XUnmapEvent *event ) |
| { |
| WND *pWnd = WIN_FindWndPtr(hWnd); |
| if (pWnd->flags & WIN_MANAGED) |
| { |
| EndMenu(); |
| if( pWnd->dwStyle & WS_VISIBLE ) |
| { |
| pWnd->dwStyle |= WS_MINIMIZE; |
| ShowOwnedPopups(hWnd,FALSE); |
| } |
| } |
| WIN_ReleaseWndPtr(pWnd); |
| } |
| |
| /********************************************************************** |
| * X11DRV_EVENT_SetInputMehod |
| */ |
| INPUT_TYPE X11DRV_EVENT_SetInputMehod(INPUT_TYPE type) |
| { |
| INPUT_TYPE prev = current_input_type; |
| |
| /* Flag not used yet */ |
| in_transition = FALSE; |
| current_input_type = type; |
| |
| return prev; |
| } |
| |
| #ifdef HAVE_LIBXXF86DGA2 |
| /********************************************************************** |
| * X11DRV_EVENT_SetDGAStatus |
| */ |
| void X11DRV_EVENT_SetDGAStatus(HWND hwnd, int event_base) |
| { |
| if (event_base < 0) { |
| DGAUsed = FALSE; |
| DGAhwnd = 0; |
| } else { |
| DGAUsed = TRUE; |
| DGAhwnd = hwnd; |
| DGAMotionEventType = event_base + MotionNotify; |
| DGAButtonPressEventType = event_base + ButtonPress; |
| DGAButtonReleaseEventType = event_base + ButtonRelease; |
| DGAKeyPressEventType = event_base + KeyPress; |
| DGAKeyReleaseEventType = event_base + KeyRelease; |
| } |
| } |
| |
| /* DGA2 event handlers */ |
| static void EVENT_DGAMotionEvent( XDGAMotionEvent *event ) |
| { |
| MOUSE_SendEvent( MOUSEEVENTF_MOVE, |
| event->dx, event->dy, |
| X11DRV_EVENT_XStateToKeyState( event->state ), |
| event->time - MSG_WineStartTicks, |
| DGAhwnd ); |
| } |
| |
| static void EVENT_DGAButtonPressEvent( XDGAButtonEvent *event ) |
| { |
| static WORD statusCodes[NB_BUTTONS] = |
| { MOUSEEVENTF_LEFTDOWN, MOUSEEVENTF_MIDDLEDOWN, MOUSEEVENTF_RIGHTDOWN }; |
| int buttonNum = event->button - 1; |
| |
| WORD keystate; |
| |
| if (buttonNum >= NB_BUTTONS) return; |
| |
| keystate = X11DRV_EVENT_XStateToKeyState( event->state ); |
| |
| switch (buttonNum) |
| { |
| case 0: |
| keystate |= MK_LBUTTON; |
| break; |
| case 1: |
| keystate |= MK_MBUTTON; |
| break; |
| case 2: |
| keystate |= MK_RBUTTON; |
| break; |
| } |
| |
| MOUSE_SendEvent( statusCodes[buttonNum], |
| 0, 0, |
| keystate, |
| event->time - MSG_WineStartTicks, |
| DGAhwnd ); |
| } |
| |
| static void EVENT_DGAButtonReleaseEvent( XDGAButtonEvent *event ) |
| { |
| static WORD statusCodes[NB_BUTTONS] = |
| { MOUSEEVENTF_LEFTUP, MOUSEEVENTF_MIDDLEUP, MOUSEEVENTF_RIGHTUP }; |
| int buttonNum = event->button - 1; |
| |
| WORD keystate; |
| |
| if (buttonNum >= NB_BUTTONS) return; |
| |
| keystate = X11DRV_EVENT_XStateToKeyState( event->state ); |
| |
| switch (buttonNum) |
| { |
| case 0: |
| keystate &= ~MK_LBUTTON; |
| break; |
| case 1: |
| keystate &= ~MK_MBUTTON; |
| break; |
| case 2: |
| keystate &= ~MK_RBUTTON; |
| break; |
| } |
| |
| MOUSE_SendEvent( statusCodes[buttonNum], |
| 0, 0, |
| keystate, |
| event->time - MSG_WineStartTicks, |
| DGAhwnd ); |
| } |
| |
| #endif |
| |
| #ifdef HAVE_LIBXXSHM |
| |
| /* |
| Normal XShm operation: |
| |
| X11 service thread app thread |
| ------------- ----------------- ------------------------ |
| (idle) ddraw calls XShmPutImage |
| (copies data) (waiting for shm_event) |
| ShmCompletion -> (waiting for shm_event) |
| (idle) signal shm_event -> |
| (idle) returns to app |
| |
| However, this situation can occur for some reason: |
| |
| X11 service thread app thread |
| ------------- ----------------- ------------------------ |
| Expose -> |
| WM_ERASEBKGND? -> |
| (waiting for app) ddraw calls XShmPutImage |
| (copies data) (waiting for app) (waiting for shm_event) |
| ShmCompletion (waiting for app) (waiting for shm_event) |
| (idle) DEADLOCK DEADLOCK |
| |
| which is why I also wait for shm_read and do XCheckTypedEvent() |
| calls in the wait loop. This results in: |
| |
| X11 service thread app thread |
| ------------- ----------------- ------------------------ |
| ShmCompletion (waiting for app) waking up on shm_read |
| (idle) (waiting for app) XCheckTypedEvent() -> signal shm_event |
| (waiting for app) returns |
| (idle) |
| */ |
| |
| /* FIXME: this is not pretty */ |
| static Drawable shm_draw = 0; |
| static HANDLE shm_event = 0, shm_read = 0; |
| |
| static void EVENT_ShmCompletion( XShmCompletionEvent *event ) |
| { |
| TRACE("Got ShmCompletion for drawable %ld (time %ld)\n", event->drawable, GetTickCount() ); |
| if (event->drawable == shm_draw) { |
| HANDLE event = shm_event; |
| shm_draw = 0; |
| SetEvent(event); |
| TRACE("Event object triggered\n" ); |
| } else ERR("Got ShmCompletion for unknown drawable %ld\n", event->drawable ); |
| } |
| |
| int X11DRV_EVENT_PrepareShmCompletion( Drawable dw ) |
| { |
| if (shm_draw) { |
| ERR("Multiple ShmCompletion requests not implemented\n"); |
| return 0; |
| } |
| TRACE("Preparing ShmCompletion (%d) wait for drawable %ld (time %ld)\n", ShmCompletionType, dw, GetTickCount() ); |
| shm_draw = dw; |
| if (!shm_event) |
| /* use manual reset just in case */ |
| shm_event = ConvertToGlobalHandle( CreateEventA( NULL, TRUE, FALSE, NULL ) ); |
| if (!shm_read) |
| shm_read = ConvertToGlobalHandle( FILE_DupUnixHandle( ConnectionNumber(display), GENERIC_READ | SYNCHRONIZE ) ); |
| return shm_event; |
| } |
| |
| void X11DRV_EVENT_WaitShmCompletion( int compl ) |
| { |
| if (!compl) return; |
| TRACE("Waiting for ShmCompletion (%d) (thread %lx) (time %ld)\n", ShmCompletionType, GetCurrentThreadId(), GetTickCount() ); |
| /* already triggered? */ |
| if ( WaitForSingleObject( compl, 0 ) != WAIT_OBJECT_0 ) { |
| /* nope, may need to poll X event queue, in case the service thread is blocked */ |
| XEvent event; |
| HANDLE hnd[2]; |
| |
| hnd[0] = compl; |
| hnd[1] = shm_read; |
| do { |
| /* check X event queue */ |
| if (TSXCheckTypedEvent( display, ShmCompletionType, &event)) { |
| EVENT_ProcessEvent( &event ); |
| } |
| } while ( WaitForMultipleObjects(2, hnd, FALSE, INFINITE) > WAIT_OBJECT_0 ); |
| } |
| ResetEvent(compl); /* manual reset */ |
| TRACE("Wait complete (time %ld)\n", GetTickCount() ); |
| } |
| |
| #endif /* defined(HAVE_LIBXXSHM) */ |
| |
| #endif /* !defined(X_DISPLAY_MISSING) */ |
