-// -*- mode: C++; indent-tabs-mode: nil; -*-
+// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
#ifdef HAVE_CONFIG_H
# include "../config.h"
extern "C" {
#include <X11/keysym.h>
+#ifdef SHAPE
+#include <X11/extensions/shape.h>
+#endif // SHAPE
+
#ifdef HAVE_STDIO_H
# include <stdio.h>
#endif // HAVE_STDIO_H
namespace otk {
-Display *display = (Display*) 0;
+Display *OBDisplay::display = (Display*) 0;
+bool OBDisplay::_shape = false;
+int OBDisplay::_shape_event_basep = 0;
+bool OBDisplay::_xinerama = false;
+int OBDisplay::_xinerama_event_basep = 0;
+unsigned int OBDisplay::_mask_list[8];
+OBDisplay::ScreenInfoList OBDisplay::_screenInfoList;
+BGCCache *OBDisplay::_gccache = (BGCCache*) 0;
+int OBDisplay::_grab_count = 0;
int OBDisplay::xerrorHandler(Display *d, XErrorEvent *e)
#ifdef DEBUG
char errtxt[128];
- XGetErrorText(d, e->error_code, errtxt, 128);
- printf("X Error: %s\n", errtxt);
+ //if (e->error_code != BadWindow)
+ {
+ XGetErrorText(d, e->error_code, errtxt, 128);
+ printf("X Error: %s\n", errtxt);
+ }
#else
(void)d;
(void)e;
// find the availability of X extensions we like to use
#ifdef SHAPE
_shape = XShapeQueryExtension(display, &_shape_event_basep, &junk);
-#else
- _shape = false;
#endif
#ifdef XINERAMA
_xinerama = XineramaQueryExtension(display, &_xinerama_event_basep, &junk);
-#else
- _xinerama = false;
#endif // XINERAMA
// get lock masks that are defined by the display (not constant)
}
+const ScreenInfo* OBDisplay::screenInfo(int snum) {
+ assert(snum >= 0);
+ assert(snum < static_cast<int>(_screenInfoList.size()));
+ return &_screenInfoList[snum];
+}
+
+
+void OBDisplay::grab()
+{
+ if (_grab_count == 0)
+ XGrabServer(display);
+ _grab_count++;
+}
+
+
+void OBDisplay::ungrab()
+{
+ if (_grab_count == 0) return;
+ _grab_count--;
+ if (_grab_count == 0)
+ XUngrabServer(display);
+}
+
+
+
+
+
+
+
+/*
+ * Grabs a button, but also grabs the button in every possible combination
+ * with the keyboard lock keys, so that they do not cancel out the event.
+
+ * if allow_scroll_lock is true then only the top half of the lock mask
+ * table is used and scroll lock is ignored. This value defaults to false.
+ */
+void OBDisplay::grabButton(unsigned int button, unsigned int modifiers,
+ Window grab_window, bool owner_events,
+ unsigned int event_mask, int pointer_mode,
+ int keyboard_mode, Window confine_to,
+ Cursor cursor, bool allow_scroll_lock) {
+ unsigned int length = (allow_scroll_lock) ? 8 / 2:
+ 8;
+ for (size_t cnt = 0; cnt < length; ++cnt)
+ XGrabButton(otk::OBDisplay::display, button, modifiers | _mask_list[cnt],
+ grab_window, owner_events, event_mask, pointer_mode,
+ keyboard_mode, confine_to, cursor);
+}
+
+
+/*
+ * Releases the grab on a button, and ungrabs all possible combinations of the
+ * keyboard lock keys.
+ */
+void OBDisplay::ungrabButton(unsigned int button, unsigned int modifiers,
+ Window grab_window) {
+ for (size_t cnt = 0; cnt < 8; ++cnt)
+ XUngrabButton(otk::OBDisplay::display, button, modifiers | _mask_list[cnt],
+ grab_window);
+}
+
+
}