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allow x-button to close plot windows

This commit is contained in:
h_vogt 2009-02-12 23:08:36 +00:00
parent 0227974ced
commit ed1c4cb09c
2 changed files with 32 additions and 0 deletions
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1
ChangeLog
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@ -4,6 +4,7 @@
2009-02-12 Holger Vogt
* device.c:908 remove bug: reset i to 0
x11.c: allow closing of plot windows with WM x-button
2009-02-10 Holger Vogt
* windisp.c, X11.c, postcom.c

31
src/frontend/plotting/x11.c
View File

@ -79,6 +79,10 @@ static char *xlinestyles[NUMLINESTYLES] = { /* test patterns XXX */
"\003\003\007\003", /* short/longdash */
};
/* atoms for catching window delet by WM x-button */
static Atom atom_wm_delete_window;
static Atom atom_wm_protocols;
static Widget toplevel;
static Bool noclear = False;
static GRAPH *lasthardcopy; /* graph user selected */
@ -299,6 +303,22 @@ handlebuttonev(Widget w, caddr_t clientdata, caddr_t calldata)
}
/* callback function for catching window deletion by WM x-button */
static void handle_wm_messages(Widget w, XtPointer client_data, XEvent *event, Boolean *cont) {
GRAPH *graph = (GRAPH *) client_data;
if (event->type == ClientMessage
&& event->xclient.message_type == atom_wm_protocols
&& event->xclient.data.l[0] == atom_wm_delete_window) {
/* Iplots are done asynchronously */
DEVDEP(graph).isopen = 0;
/* MW. Not sure but DestroyGraph might free() to much - try Xt...() first */
XtDestroyWidget(DEVDEP(graph).shell);
DestroyGraph(graph->graphid);
}
}
/* Recover from bad NewViewPort call. */
#define RECOVERNEWVIEWPORT() tfree(graph);\
@ -315,6 +335,8 @@ X11_NewViewport(GRAPH *graph)
Cursor cursor;
XSetWindowAttributes w_attrs;
XGCValues gcvalues;
static Arg formargs[ ] = {
{ XtNleft, (XtArgVal) XtChainLeft },
{ XtNresizable, (XtArgVal) TRUE }
@ -445,9 +467,18 @@ X11_NewViewport(GRAPH *graph)
cursor = XCreateFontCursor(display, XC_left_ptr);
XDefineCursor(display, DEVDEP(graph).window, cursor);
/* WM_DELETE_WINDOW protocol */
atom_wm_protocols = XInternAtom(display, "WM_PROTOCOLS", False);
atom_wm_delete_window = XInternAtom(display, "WM_DELETE_WINDOW", False);
XtAddEventHandler(DEVDEP(graph).shell, NoEventMask, True, handle_wm_messages,graph);
XSetWMProtocols(display, XtWindow(DEVDEP(graph).shell), &atom_wm_delete_window, 1);
return (0);
}
/* This routine closes the X connection.
It is not to be called for finishing a graph. */
int