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Imported nullcursor code from QF.

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This commit is contained in:
Marcus Sundberg 2000-05-14 19:24:44 +00:00
parent 1fc4396f12
commit 8d35343a0a
1 changed files with 33 additions and 21 deletions
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54
source/vid_x11.c
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@ -191,33 +191,41 @@ void TragicDeath(int signal_num)
{
XAutoRepeatOn(x_disp);
XCloseDisplay(x_disp);
Sys_Error("This death brought to you by the number %d\n", signal_num);
Sys_Error("This death brought to you by signal number %d\n", signal_num);
}
// ========================================================================
// makes a null cursor
// ========================================================================
static Cursor CreateNullCursor(Display *display, Window root)
/*
========================================================================
Create an empty cursor
========================================================================
*/
static Cursor nullcursor = None;
static Cursor
CreateNullCursor(Display *display, Window root)
{
Pixmap cursormask;
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor dummycolour;
Cursor cursor;
cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
xgc.function = GXclear;
gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.red = 0;
dummycolour.flags = 04;
cursor = XCreatePixmapCursor(display, cursormask, cursormask,
&dummycolour,&dummycolour, 0,0);
XFreePixmap(display,cursormask);
XFreeGC(display,gc);
return cursor;
if (nullcursor != None) return nullcursor;
cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
xgc.function = GXclear;
gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.red = 0;
dummycolour.flags = 04;
nullcursor = XCreatePixmapCursor(display, cursormask, cursormask,
&dummycolour,&dummycolour, 0,0);
XFreePixmap(display,cursormask);
XFreeGC(display,gc);
return nullcursor;
}
void ResetFrameBuffer(void)
@ -542,7 +550,7 @@ void VID_Init (unsigned char *palette)
}
// inviso cursor
/* Invisible Cursor */
XDefineCursor(x_disp, x_win, CreateNullCursor(x_disp, x_win));
// create the GC
@ -553,7 +561,7 @@ void VID_Init (unsigned char *palette)
x_gc = XCreateGC(x_disp, x_win, valuemask, &xgcvalues );
}
// map the window
/* Map the window */
XMapWindow(x_disp, x_win);
// wait for first exposure event
@ -646,6 +654,10 @@ void VID_Shutdown (void)
{
Con_Printf("VID_Shutdown\n");
XAutoRepeatOn(x_disp);
if (nullcursor != None) {
XFreeCursor(x_disp, nullcursor);
nullcursor = None;
}
XCloseDisplay(x_disp);
}