HOOGE improvements. now widgets calculate their size according to the sizes of their...

[chaz/openbox] / otk / display.cc

diff --git a/otk/display.cc b/otk/display.cc
index 9e6685b9864d7fb1a5eb7cea0e0adf061d50930d..77111d3cbb4f5398d5f121ba896c138cc5986053 100644 (file)
--- a/otk/display.cc
+++ b/otk/display.cc
@@ -11,6 +11,10 @@
 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
@@ -39,7 +43,15 @@ extern "C" {
 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)
@@ -47,8 +59,11 @@ 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;
@@ -90,14 +105,10 @@ line argument.\n\n"));
   // 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)
@@ -155,4 +166,66 @@ void OBDisplay::destroy()
 }
 
 
+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);
+}
+
+
 }