diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
| commit | a6163888f3c56123b1db313743c6147ba498732c (patch) | |
| tree | ff7d15d991d1d09ba6cbc0cec80924f57445bfdd /third_party/windows/fltk-1.1.10/src/Fl_add_idle.cxx | |
| parent | c3e4c9a25c2910d2d66d52215b3406b13d5b23d5 (diff) | |
Add third_party libs
Diffstat (limited to 'third_party/windows/fltk-1.1.10/src/Fl_add_idle.cxx')
| -rw-r--r-- | third_party/windows/fltk-1.1.10/src/Fl_add_idle.cxx | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/third_party/windows/fltk-1.1.10/src/Fl_add_idle.cxx b/third_party/windows/fltk-1.1.10/src/Fl_add_idle.cxx new file mode 100644 index 0000000..495bb89 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/Fl_add_idle.cxx @@ -0,0 +1,100 @@ +//
+// "$Id: Fl_add_idle.cxx 5190 2006-06-09 16:16:34Z mike $"
+//
+// Idle routine support for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2005 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+// Allows you to manage an arbitrary set of idle() callbacks.
+// Replaces the older set_idle() call (which is used to implement this)
+
+#include <FL/Fl.H>
+
+struct idle_cb {
+ void (*cb)(void*);
+ void* data;
+ idle_cb *next;
+};
+
+// the callbacks are stored linked in a ring. last points at the one
+// just called, first at the next to call. last->next == first.
+
+static idle_cb* first;
+static idle_cb* last;
+static idle_cb* freelist;
+
+static void call_idle() {
+ idle_cb* p = first;
+ last = p; first = p->next;
+ p->cb(p->data); // this may call add_idle() or remove_idle()!
+}
+
+void Fl::add_idle(void (*cb)(void*), void* data) {
+ idle_cb* p = freelist;
+ if (p) freelist = p->next;
+ else p = new idle_cb;
+ p->cb = cb;
+ p->data = data;
+ if (first) {
+ last->next = p;
+ last = p;
+ p->next = first;
+ } else {
+ first = last = p;
+ p->next = p;
+ set_idle(call_idle);
+ }
+}
+
+int Fl::has_idle(void (*cb)(void*), void* data) {
+ idle_cb* p = first;
+ if (!p) return 0;
+ for (;; p = p->next) {
+ if (p->cb == cb && p->data == data) return 1;
+ if (p==last) return 0;
+ }
+}
+
+void Fl::remove_idle(void (*cb)(void*), void* data) {
+ idle_cb* p = first;
+ if (!p) return;
+ idle_cb* l = last;
+ for (;; p = p->next) {
+ if (p->cb == cb && p->data == data) break;
+ if (p==last) return; // not found
+ l = p;
+ }
+ if (l == p) { // only one
+ first = last = 0;
+ set_idle(0);
+ } else {
+ last = l;
+ first = l->next = p->next;
+ }
+ p->next = freelist;
+ freelist = p;
+}
+
+//
+// End of "$Id: Fl_add_idle.cxx 5190 2006-06-09 16:16:34Z mike $".
+//
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