Inital implementation of X11 plugin gui.

1 files changed, 169 insertions, 0 deletions

diff --git a/plugingui/eventhandler.cc b/plugingui/eventhandler.cc
new file mode 100644
index 0000000..8936f14
--- /dev/null
+++ b/plugingui/eventhandler.cc
@@ -0,0 +1,169 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            eventhandler.cc
+ *
+ *  Sun Oct  9 18:58:29 CEST 2011
+ *  Copyright 2011 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "eventhandler.h"
+
+#include "globalcontext.h"
+
+#include <stdio.h>
+
+#ifdef X11
+#include <X11/Xutil.h>
+#endif/*X11*/
+
+/**
+ * KeyPress                2
+ * KeyRelease              3
+ * ButtonPress             4
+ * ButtonRelease           5
+ * MotionNotify            6
+ * EnterNotify             7
+ * LeaveNotify             8
+ * FocusIn                 9
+ * FocusOut                10
+ * KeymapNotify            11
+ * Expose                  12
+ * GraphicsExpose          13
+ * NoExpose                14
+ * VisibilityNotify        15
+ * CreateNotify            16
+ * DestroyNotify           17
+ * UnmapNotify             18
+ * MapNotify               19
+ * MapRequest              20
+ * ReparentNotify          21
+ * ConfigureNotify         22
+ * ConfigureRequest        23
+ * GravityNotify           24
+ * ResizeRequest           25
+ * CirculateNotify         26
+ * CirculateRequest        27
+ * PropertyNotify          28
+ * SelectionClear          29
+ * SelectionRequest        30
+ * SelectionNotify         31
+ * ColormapNotify          32
+ * ClientMessage           33
+ * MappingNotify           34
+ * GenericEvent            35
+ * LASTEvent               36      // must be bigger than any event #
+ **/
+
+EventHandler::EventHandler(GlobalContext *gctx)
+{
+  this->gctx = gctx;
+}
+
+bool EventHandler::hasEvent()
+{
+#ifdef X11
+  return XPending(gctx->display);
+#endif/*X11*/
+  return false;
+}
+
+Event *EventHandler::getNextEvent()
+{
+  Event *event = NULL;
+#ifdef X11
+  XEvent xe;
+  XNextEvent(gctx->display, &xe);
+
+  if(xe.type == MotionNotify) {
+    MouseMoveEvent *e = new MouseMoveEvent();
+    e->window_id = xe.xmotion.window;
+    e->x = xe.xmotion.x;
+    e->y = xe.xmotion.y;
+    event = e;
+  }
+
+  if(xe.type == Expose && xe.xexpose.count == 0) {
+    RepaintEvent *e = new RepaintEvent();
+    e->window_id = xe.xexpose.window;
+    e->x = xe.xexpose.x;
+    e->y = xe.xexpose.y;
+    e->width = xe.xexpose.width;
+    e->height = xe.xexpose.height;
+    event = e;
+  }
+
+  if(xe.type == ButtonPress || xe.type == ButtonRelease) {
+    ButtonEvent *e = new ButtonEvent();
+    e->window_id = xe.xbutton.window;
+    e->x = xe.xbutton.x;
+    e->y = xe.xbutton.y;
+    e->button = 0;
+    e->direction = xe.type == ButtonPress?1:-1;
+    event = e;
+  }
+
+  if(xe.type == KeyPress || xe.type == KeyRelease) {
+    //    printf("key: %d\n", e.xkey.keycode);
+    KeyEvent *e = new KeyEvent();
+    e->window_id = xe.xkey.window;
+
+    char buf[1024];
+    int sz = XLookupString(&xe.xkey, buf, sizeof(buf),  NULL, NULL);
+
+    e->keycode = xe.xkey.keycode;
+    e->text.append(buf, sz);
+    e->direction = xe.type == KeyPress?1:-1;
+    event = e;
+  }
+
+#if 0
+  printf("event: %d\n", e.type);
+
+  if(e.type == DestroyNotify) {
+  }
+  if(e.type == ClientMessage &&
+     e.xclient.data.l[0] == wdg->wmDeleteMessage) {
+  }
+#endif
+
+#endif/*X11*/
+
+  return event;
+}
+
+
+
+#ifdef TEST_EVENTHANDLER
+//Additional dependency files
+//deps:
+//Required cflags (autoconf vars may be used)
+//cflags:
+//Required link options (autoconf vars may be used)
+//libs:
+#include "test.h"
+
+TEST_BEGIN;
+
+// TODO: Put some testcode here (see test.h for usable macros).
+
+TEST_END;
+
+#endif/*TEST_EVENTHANDLER*/