489 lines
14 KiB
C
489 lines
14 KiB
C
/*
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* X events handling functions
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*
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* Copyright 1993 Alexandre Julliard
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*/
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static char Copyright[] = "Copyright Alexandre Julliard, 1993";
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#include <stdlib.h>
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#include <stdio.h>
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#include <X11/Xlib.h>
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#include <X11/Xresource.h>
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#include <X11/Xutil.h>
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#include "windows.h"
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#include "win.h"
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#include "class.h"
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#include "message.h"
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#ifdef ndef
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#ifndef FamilyAmoeba
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typedef char *XPointer;
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#endif
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#endif
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#define NB_BUTTONS 3 /* Windows can handle 3 buttons */
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extern int desktopX, desktopY; /* misc/main.c */
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extern void WINPOS_ChangeActiveWindow( HWND hwnd, BOOL mouseMsg ); /*winpos.c*/
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/* X context to associate a hwnd to an X window */
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static XContext winContext = 0;
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/* State variables */
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BOOL MouseButtonsStates[NB_BUTTONS] = { FALSE, FALSE, FALSE };
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BOOL AsyncMouseButtonsStates[NB_BUTTONS] = { FALSE, FALSE, FALSE };
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static WORD ALTKeyState;
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static HWND captureWnd = 0;
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Window winHasCursor = 0;
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/* Keyboard translation tables */
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static int special_key[] =
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{
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VK_BACK, VK_TAB, 0, VK_CLEAR, 0, VK_RETURN, 0, 0, /* FF08 */
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0, 0, 0, VK_PAUSE, VK_SCROLL, 0, 0, 0, /* FF10 */
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0, 0, 0, VK_ESCAPE /* FF18 */
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};
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static cursor_key[] =
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{
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VK_HOME, VK_LEFT, VK_UP, VK_RIGHT, VK_DOWN, VK_PRIOR,
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VK_NEXT, VK_END /* FF50 */
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};
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static misc_key[] =
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{
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VK_SELECT, VK_SNAPSHOT, VK_EXECUTE, VK_INSERT, 0, 0, 0, 0, /* FF60 */
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VK_CANCEL, VK_HELP, VK_CANCEL, VK_MENU /* FF68 */
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};
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static keypad_key[] =
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{
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VK_MENU, VK_NUMLOCK, /* FF7E */
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0, 0, 0, 0, 0, 0, 0, 0, /* FF80 */
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0, 0, 0, 0, 0, VK_RETURN, 0, 0, /* FF88 */
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0, 0, 0, 0, 0, 0, 0, 0, /* FF90 */
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0, 0, 0, 0, 0, 0, 0, 0, /* FF98 */
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0, 0, 0, 0, 0, 0, 0, 0, /* FFA0 */
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0, 0, VK_MULTIPLY, VK_ADD, VK_SEPARATOR, VK_SUBTRACT,
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VK_DECIMAL, VK_DIVIDE, /* FFA8 */
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VK_NUMPAD0, VK_NUMPAD1, VK_NUMPAD2, VK_NUMPAD3, VK_NUMPAD4,
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VK_NUMPAD5, VK_NUMPAD6, VK_NUMPAD7, /* FFB0 */
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VK_NUMPAD8, VK_NUMPAD9 /* FFB8 */
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};
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static function_key[] =
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{
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VK_F1, VK_F2, /* FFBE */
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VK_F3, VK_F4, VK_F5, VK_F6, VK_F7, VK_F8, VK_F9, VK_F10, /* FFC0 */
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VK_F11, VK_F12, VK_F13, VK_F14, VK_F15, VK_F16 /* FFC8 */
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};
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static modifier_key[] =
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{
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VK_SHIFT, VK_SHIFT, VK_CONTROL, VK_CONTROL, VK_CAPITAL,
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0, 0, /* FFE1 */
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0, VK_MENU, VK_MENU /* FFE8 */
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};
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typedef union
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{
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struct
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{
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unsigned long count : 16;
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unsigned long code : 8;
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unsigned long extended : 1;
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unsigned long : 4;
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unsigned long context : 1;
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unsigned long previous : 1;
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unsigned long transition : 1;
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} lp1;
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unsigned long lp2;
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} KEYLP;
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static BOOL KeyDown = FALSE;
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#ifdef DEBUG_EVENT
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static char *event_names[] =
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{
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"", "", "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease",
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"MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", "FocusOut",
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"KeymapNotify", "Expose", "GraphicsExpose", "NoExpose", "VisibilityNotify",
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"CreateNotify", "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",
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"ReparentNotify", "ConfigureNotify", "ConfigureRequest", "GravityNotify",
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"ResizeRequest", "CirculateNotify", "CirculateRequest", "PropertyNotify",
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"SelectionClear", "SelectionRequest", "SelectionNotify", "ColormapNotify",
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"ClientMessage", "MappingNotify"
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};
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#endif
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/* Event handlers */
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static void EVENT_key( HWND hwnd, XKeyEvent *event );
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static void EVENT_ButtonPress( XButtonEvent *event );
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static void EVENT_ButtonRelease( XButtonEvent *event );
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static void EVENT_MotionNotify( XMotionEvent *event );
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static void EVENT_EnterNotify( XCrossingEvent *event );
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static void EVENT_FocusOut( HWND hwnd, XFocusChangeEvent *event );
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static void EVENT_Expose( HWND hwnd, XExposeEvent *event );
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static void EVENT_ConfigureNotify( HWND hwnd, XConfigureEvent *event );
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/***********************************************************************
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* EVENT_ProcessEvent
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*
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* Process an X event.
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*/
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void EVENT_ProcessEvent( XEvent *event )
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{
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HWND hwnd;
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XPointer ptr;
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XFindContext( display, ((XAnyEvent *)event)->window, winContext, &ptr );
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hwnd = (HWND) (int)ptr;
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#ifdef DEBUG_EVENT
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printf( "Got event %s for hwnd %d\n", event_names[event->type], hwnd );
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#endif
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switch(event->type)
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{
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case KeyPress:
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case KeyRelease:
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EVENT_key( hwnd, (XKeyEvent*)event );
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break;
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case ButtonPress:
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EVENT_ButtonPress( (XButtonEvent*)event );
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break;
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case ButtonRelease:
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EVENT_ButtonRelease( (XButtonEvent*)event );
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break;
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case MotionNotify:
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EVENT_MotionNotify( (XMotionEvent*)event );
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break;
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case EnterNotify:
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EVENT_EnterNotify( (XCrossingEvent*)event );
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break;
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case FocusOut:
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EVENT_FocusOut( hwnd, (XFocusChangeEvent*)event );
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break;
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case Expose:
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EVENT_Expose( hwnd, (XExposeEvent*)event );
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break;
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case ConfigureNotify:
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EVENT_ConfigureNotify( hwnd, (XConfigureEvent*)event );
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break;
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#ifdef DEBUG_EVENT
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default:
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printf( "Unprocessed event %s for hwnd %d\n",
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event_names[event->type], hwnd );
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break;
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#endif
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}
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}
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/***********************************************************************
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* EVENT_RegisterWindow
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*
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* Associate an X window to a HWND.
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*/
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void EVENT_RegisterWindow( Window w, HWND hwnd )
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{
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if (!winContext) winContext = XUniqueContext();
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XSaveContext( display, w, winContext, (XPointer)(int)hwnd );
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}
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/***********************************************************************
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* EVENT_XStateToKeyState
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*
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* Translate a X event state (Button1Mask, ShiftMask, etc...) to
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* a Windows key state (MK_SHIFT, MK_CONTROL, etc...)
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*/
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static WORD EVENT_XStateToKeyState( int state )
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{
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int kstate = 0;
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if (state & Button1Mask) kstate |= MK_LBUTTON;
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if (state & Button2Mask) kstate |= MK_MBUTTON;
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if (state & Button3Mask) kstate |= MK_RBUTTON;
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if (state & ShiftMask) kstate |= MK_SHIFT;
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if (state & ControlMask) kstate |= MK_CONTROL;
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return kstate;
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}
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/***********************************************************************
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* EVENT_Expose
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*/
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static void EVENT_Expose( HWND hwnd, XExposeEvent *event )
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{
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RECT rect;
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UINT flags;
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return;
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/* Make position relative to client area instead of window */
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rect.left = event->x - (wndPtr->rectClient.left - wndPtr->rectWindow.left);
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rect.top = event->y - (wndPtr->rectClient.top - wndPtr->rectWindow.top);
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rect.right = rect.left + event->width;
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rect.bottom = rect.top + event->height;
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winHasCursor = event->window;
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flags = RDW_INVALIDATE | RDW_ERASE | RDW_FRAME;
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/* Erase desktop background synchronously */
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if (event->window == rootWindow) flags |= RDW_ERASENOW | RDW_NOCHILDREN;
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RedrawWindow( hwnd, &rect, 0, flags );
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}
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/***********************************************************************
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* EVENT_key
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*
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* Handle a X key event
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*/
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static void EVENT_key( HWND hwnd, XKeyEvent *event )
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{
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char Str[24];
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XComposeStatus cs;
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KeySym keysym;
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WORD xkey, vkey, key_type, key;
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KEYLP keylp;
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BOOL extended = FALSE;
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int count = XLookupString(event, Str, 1, &keysym, &cs);
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Str[count] = '\0';
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#ifdef DEBUG_KEY
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printf("WM_KEY??? : keysym=%lX, count=%u / %X / '%s'\n",
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keysym, count, Str[0], Str);
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#endif
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xkey = LOWORD(keysym);
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key_type = HIBYTE(xkey);
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key = LOBYTE(xkey);
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#ifdef DEBUG_KEY
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printf(" key_type=%X, key=%X\n", key_type, key);
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#endif
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if (key_type == 0xFF) /* non-character key */
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{
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if (key >= 0x08 && key <= 0x1B) /* special key */
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vkey = special_key[key - 0x08];
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else if (key >= 0x50 && key <= 0x57) /* cursor key */
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vkey = cursor_key[key - 0x50];
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else if (key >= 0x60 && key <= 0x6B) /* miscellaneous key */
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vkey = misc_key[key - 0x60];
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else if (key >= 0x7E && key <= 0xB9) /* keypad key */
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{
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vkey = keypad_key[key - 0x7E];
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extended = TRUE;
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}
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else if (key >= 0xBE && key <= 0xCD) /* function key */
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{
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vkey = function_key[key - 0xBE];
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extended = TRUE;
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}
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else if (key >= 0xE1 && key <= 0xEA) /* modifier key */
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vkey = modifier_key[key - 0xE1];
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else if (key == 0xFF) /* DEL key */
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vkey = VK_DELETE;
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}
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else if (key_type == 0) /* character key */
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{
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if (key >= 0x61 && key <= 0x7A)
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vkey = key - 0x20; /* convert lower to uppercase */
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else
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vkey = key;
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}
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if (event->type == KeyPress)
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{
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if (vkey == VK_MENU) ALTKeyState = TRUE;
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keylp.lp1.count = 1;
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keylp.lp1.code = LOBYTE(event->keycode);
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keylp.lp1.extended = (extended ? 1 : 0);
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keylp.lp1.context = (event->state & Mod1Mask ? 1 : 0);
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keylp.lp1.previous = (KeyDown ? 0 : 1);
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keylp.lp1.transition = 0;
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#ifdef DEBUG_KEY
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printf(" wParam=%X, lParam=%lX\n", vkey, keylp.lp2 );
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#endif
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hardware_event( ALTKeyState ? WM_SYSKEYDOWN : WM_KEYDOWN,
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vkey, keylp.lp2,
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event->x_root - desktopX, event->y_root - desktopY,
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event->time, 0 );
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KeyDown = TRUE;
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/* The key translation ought to take place in TranslateMessage().
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* However, there is no way of passing the required information
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* in a Windows message, so TranslateMessage does not currently
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* do anything and the translation is done here.
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*/
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if (count == 1) /* key has an ASCII representation */
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{
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#ifdef DEBUG_KEY
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printf("WM_CHAR : wParam=%X\n", (WORD)Str[0] );
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#endif
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PostMessage( GetFocus(), WM_CHAR, (WORD)Str[0], keylp.lp2 );
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}
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}
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else
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{
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if (vkey == VK_MENU) ALTKeyState = FALSE;
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keylp.lp1.count = 1;
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keylp.lp1.code = LOBYTE(event->keycode);
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keylp.lp1.extended = (extended ? 1 : 0);
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keylp.lp1.context = (event->state & Mod1Mask ? 1 : 0);
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keylp.lp1.previous = 1;
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keylp.lp1.transition = 1;
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#ifdef DEBUG_KEY
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printf(" wParam=%X, lParam=%lX\n", vkey, keylp.lp2 );
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#endif
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hardware_event( ((ALTKeyState || vkey == VK_MENU) ?
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WM_SYSKEYUP : WM_KEYUP),
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vkey, keylp.lp2,
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event->x_root - desktopX, event->y_root - desktopY,
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event->time, 0 );
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KeyDown = FALSE;
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}
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}
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/***********************************************************************
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* EVENT_MotionNotify
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*/
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static void EVENT_MotionNotify( XMotionEvent *event )
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{
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hardware_event( WM_MOUSEMOVE, EVENT_XStateToKeyState( event->state ), 0L,
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event->x_root - desktopX, event->y_root - desktopY,
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event->time, 0 );
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}
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/***********************************************************************
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* EVENT_ButtonPress
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*/
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static void EVENT_ButtonPress( XButtonEvent *event )
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{
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static WORD messages[NB_BUTTONS] =
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{ WM_LBUTTONDOWN, WM_MBUTTONDOWN, WM_RBUTTONDOWN };
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int buttonNum = event->button - 1;
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if (buttonNum >= NB_BUTTONS) return;
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MouseButtonsStates[buttonNum] = TRUE;
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AsyncMouseButtonsStates[buttonNum] = TRUE;
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winHasCursor = event->window;
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hardware_event( messages[buttonNum],
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EVENT_XStateToKeyState( event->state ), 0L,
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event->x_root - desktopX, event->y_root - desktopY,
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event->time, 0 );
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}
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/***********************************************************************
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* EVENT_ButtonRelease
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*/
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static void EVENT_ButtonRelease( XButtonEvent *event )
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{
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static const WORD messages[NB_BUTTONS] =
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{ WM_LBUTTONUP, WM_MBUTTONUP, WM_RBUTTONUP };
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int buttonNum = event->button - 1;
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if (buttonNum >= NB_BUTTONS) return;
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MouseButtonsStates[buttonNum] = FALSE;
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winHasCursor = event->window;
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hardware_event( messages[buttonNum],
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EVENT_XStateToKeyState( event->state ), 0L,
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event->x_root - desktopX, event->y_root - desktopY,
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event->time, 0 );
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}
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/**********************************************************************
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* EVENT_FocusOut
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*
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* Note: only top-level override-redirect windows get FocusOut events.
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*/
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static void EVENT_FocusOut( HWND hwnd, XFocusChangeEvent *event )
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{
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if (event->detail == NotifyPointer) return;
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if (hwnd == GetActiveWindow()) WINPOS_ChangeActiveWindow( 0, FALSE );
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if ((hwnd == GetFocus()) || IsChild( hwnd, GetFocus())) SetFocus( 0 );
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}
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/**********************************************************************
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* EVENT_EnterNotify
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*/
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static void EVENT_EnterNotify( XCrossingEvent *event )
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{
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if (captureWnd != 0) return;
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winHasCursor = event->window;
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}
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/**********************************************************************
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* EVENT_ConfigureNotify
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*
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* The ConfigureNotify event is only selected on the desktop window.
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*/
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static void EVENT_ConfigureNotify( HWND hwnd, XConfigureEvent *event )
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{
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desktopX = event->x;
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desktopY = event->y;
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}
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/**********************************************************************
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* SetCapture (USER.18)
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*/
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HWND SetCapture(HWND wnd)
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{
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int rv;
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HWND old_capture_wnd = captureWnd;
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WND *wnd_p = WIN_FindWndPtr(wnd);
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if (wnd_p == NULL)
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return 0;
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rv = XGrabPointer(display, wnd_p->window, False,
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ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
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GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
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if (rv == GrabSuccess)
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{
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captureWnd = wnd;
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return old_capture_wnd;
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}
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else
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return 0;
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}
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/**********************************************************************
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* ReleaseCapture (USER.19)
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*/
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void ReleaseCapture()
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{
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if (captureWnd == 0) return;
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XUngrabPointer( display, CurrentTime );
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captureWnd = 0;
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}
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/**********************************************************************
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* GetCapture (USER.236)
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*/
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HWND GetCapture()
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{
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return captureWnd;
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}
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