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/* grab.c
*
* $Id$
*
* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
* Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
*
* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
* between TELES and Nixdorf Microprocessor Engineering, Berlin).
*
* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
* owners or individual owners of copyright in this software, grant to any
* person or company a worldwide, royalty free, license to
*
* i) copy this software,
* ii) prepare derivative works based on this software,
* iii) distribute copies of this software or derivative works,
* iv) perform this software, or
* v) display this software,
*
* provided that this notice is not removed and that neither Oliver Laumann
* nor Teles nor Nixdorf are deemed to have made any representations as to
* the suitability of this software for any purpose nor are held responsible
* for any defects of this software.
*
* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
#include "xlib.h"
static Object Sym_Any;
Time Get_Time (Object time) {
if (EQ(time, Sym_Now))
return CurrentTime;
return (Time)Get_Long (time);
}
static int Get_Mode (Object m) {
Check_Type (m, T_Boolean);
return EQ(m, True) ? GrabModeSync : GrabModeAsync;
}
static Object P_Grab_Pointer (Object win, Object ownerp, Object events,
Object psyncp, Object ksyncp, Object confine_to,
Object cursor, Object time) {
Check_Type (win, T_Window);
Check_Type (ownerp, T_Boolean);
return Bits_To_Symbols ((unsigned long)XGrabPointer (WINDOW(win)->dpy,
WINDOW(win)->win,
EQ(ownerp, True), Symbols_To_Bits (events, 1, Event_Syms),
Get_Mode (psyncp), Get_Mode (ksyncp),
Get_Window (confine_to), Get_Cursor (cursor), Get_Time (time)),
0, Grabstatus_Syms);
}
static Object P_Ungrab_Pointer (Object d, Object time) {
Check_Type (d, T_Display);
XUngrabPointer (DISPLAY(d)->dpy, Get_Time (time));
return Void;
}
static Object P_Grab_Button (Object win, Object button, Object mods,
Object ownerp, Object events, Object psyncp,
Object ksyncp, Object confine_to, Object cursor) {
Check_Type (win, T_Window);
Check_Type (ownerp, T_Boolean);
XGrabButton (WINDOW(win)->dpy, Symbols_To_Bits (button, 0, Button_Syms),
Symbols_To_Bits (mods, 1, State_Syms), WINDOW(win)->win,
EQ(ownerp, True), Symbols_To_Bits (events, 1, Event_Syms),
Get_Mode (psyncp), Get_Mode (ksyncp),
Get_Window (confine_to), Get_Cursor (cursor));
return Void;
}
static Object P_Ungrab_Button (Object win, Object button, Object mods) {
Check_Type (win, T_Window);
XUngrabButton (WINDOW(win)->dpy, Symbols_To_Bits (button, 0, Button_Syms),
Symbols_To_Bits (mods, 1, State_Syms), WINDOW(win)->win);
return Void;
}
static Object P_Change_Active_Pointer_Grab (Object d, Object events,
Object cursor, Object time) {
Check_Type (d, T_Display);
XChangeActivePointerGrab (DISPLAY(d)->dpy, Symbols_To_Bits (events, 1,
Event_Syms), Get_Cursor (cursor), Get_Time (time));
return Void;
}
static Object P_Grab_Keyboard (Object win, Object ownerp, Object psyncp,
Object ksyncp, Object time) {
Check_Type (win, T_Window);
Check_Type (ownerp, T_Boolean);
return Bits_To_Symbols ((unsigned long)XGrabKeyboard (WINDOW(win)->dpy,
WINDOW(win)->win, EQ(ownerp, True), Get_Mode (psyncp),
Get_Mode (ksyncp), Get_Time (time)),
0, Grabstatus_Syms);
}
static Object P_Ungrab_Keyboard (Object d, Object time) {
Check_Type (d, T_Display);
XUngrabKeyboard (DISPLAY(d)->dpy, Get_Time (time));
return Void;
}
static Object P_Grab_Key (Object win, Object key, Object mods, Object ownerp,
Object psyncp, Object ksyncp) {
int keycode = AnyKey;
Check_Type (win, T_Window);
if (!EQ(key, Sym_Any))
keycode = Get_Integer (key);
Check_Type (ownerp, T_Boolean);
XGrabKey (WINDOW(win)->dpy, keycode, Symbols_To_Bits (mods, 1, State_Syms),
WINDOW(win)->win, EQ(ownerp, True), Get_Mode (psyncp),
Get_Mode (ksyncp));
return Void;
}
static Object P_Ungrab_Key (Object win, Object key, Object mods) {
int keycode = AnyKey;
Check_Type (win, T_Window);
if (!EQ(key, Sym_Any))
keycode = Get_Integer (key);
XUngrabKey (WINDOW(win)->dpy, keycode,
Symbols_To_Bits (mods, 1, State_Syms), WINDOW(win)->win);
return Void;
}
static Object P_Allow_Events (Object d, Object mode, Object time) {
Check_Type (d, T_Display);
XAllowEvents (DISPLAY(d)->dpy, Symbols_To_Bits (mode, 0,
Allow_Events_Syms), Get_Time (time));
return Void;
}
static Object P_Grab_Server (Object d) {
Check_Type (d, T_Display);
XGrabServer (DISPLAY(d)->dpy);
return Void;
}
static Object P_Ungrab_Server (Object d) {
Check_Type (d, T_Display);
XUngrabServer (DISPLAY(d)->dpy);
return Void;
}
void elk_init_xlib_grab () {
Define_Primitive (P_Grab_Pointer, "grab-pointer", 8, 8, EVAL);
Define_Primitive (P_Ungrab_Pointer, "ungrab-pointer", 2, 2, EVAL);
Define_Primitive (P_Grab_Button, "grab-button", 9, 9, EVAL);
Define_Primitive (P_Ungrab_Button, "ungrab-button", 3, 3, EVAL);
Define_Primitive (P_Change_Active_Pointer_Grab,
"change-active-pointer-grab", 4, 4, EVAL);
Define_Primitive (P_Grab_Keyboard, "grab-keyboard", 5, 5, EVAL);
Define_Primitive (P_Ungrab_Keyboard, "ungrab-keyboard", 2, 2, EVAL);
Define_Primitive (P_Grab_Key, "grab-key", 6, 6, EVAL);
Define_Primitive (P_Ungrab_Key, "ungrab-key", 3, 3, EVAL);
Define_Primitive (P_Allow_Events, "allow-events", 3, 3, EVAL);
Define_Primitive (P_Grab_Server, "grab-server", 1, 1, EVAL);
Define_Primitive (P_Ungrab_Server, "ungrab-server", 1, 1, EVAL);
Define_Symbol (&Sym_Any, "any");
}
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