[cp-patches] RFC: calculate button modifiers for X peers

2007-05-22 Thread Robert Schuster
Hi,
the attached patch properly calculates the modifiers for mouse press
and release events.

Ok, to commit?

2007-05-22  Robert Schuster  [EMAIL PROTECTED]

* gnu/java/awt/peer/x/XEventQueue.java:
(handleEvent): Calculate modifier value for mouse presse
and release events.
(buttonToModifier): New method.
* gnu/java/awt/peer/x/KeyboardMapping.java:
(mapModifiers): Added cases for alt gr and the meta key.

Regards
Robert

Index: gnu/java/awt/peer/x/KeyboardMapping.java
===
RCS file: /sources/classpath/classpath/gnu/java/awt/peer/x/KeyboardMapping.java,v
retrieving revision 1.1
diff -u -r1.1 KeyboardMapping.java
--- gnu/java/awt/peer/x/KeyboardMapping.java	29 Jun 2006 15:15:56 -	1.1
+++ gnu/java/awt/peer/x/KeyboardMapping.java	22 May 2007 21:37:43 -
@@ -405,8 +405,12 @@
 
 if ((xMods  Input.SHIFT_MASK) != 0)
   mods |= KeyEvent.SHIFT_MASK | KeyEvent.SHIFT_DOWN_MASK;
+if ((xMods  Input.META_MASK) != 0)
+  mods |= KeyEvent.META_MASK | KeyEvent.META_DOWN_MASK;
 if ((xMods  Input.ALT_MASK) != 0)
   mods |= KeyEvent.ALT_MASK | KeyEvent.ALT_DOWN_MASK;
+if ((xMods  Input.MOD5_MASK) != 0)
+  mods |= KeyEvent.ALT_GRAPH_MASK | KeyEvent.ALT_GRAPH_DOWN_MASK;
 if ((xMods  Input.CONTROL_MASK) != 0)
   mods |= KeyEvent.CTRL_MASK | KeyEvent.CTRL_DOWN_MASK;
 
Index: gnu/java/awt/peer/x/XEventPump.java
===
RCS file: /sources/classpath/classpath/gnu/java/awt/peer/x/XEventPump.java,v
retrieving revision 1.5
diff -u -r1.5 XEventPump.java
--- gnu/java/awt/peer/x/XEventPump.java	22 May 2007 18:45:13 -	1.5
+++ gnu/java/awt/peer/x/XEventPump.java	22 May 2007 21:37:43 -
@@ -48,6 +48,8 @@
 import java.awt.event.PaintEvent;
 import java.util.HashMap;
 
+import gnu.java.awt.EventModifier;
+
 import gnu.x11.Display;
 import gnu.x11.event.ButtonPress;
 import gnu.x11.event.ButtonRelease;
@@ -162,10 +164,15 @@
   awtWindow = (Window) windows.get(key);
   // Create and post the mouse event.
   int button = bp.detail();
+
+  // AWT cannot handle more than 3 buttons and expects 0 instead.
+  if (button = 3)
+button = 0;
   drag = button;
 
   MouseEvent mp = new MouseEvent(awtWindow, MouseEvent.MOUSE_PRESSED,
- System.currentTimeMillis(), 0,
+ System.currentTimeMillis(),
+ KeyboardMapping.mapModifiers(bp.state()) | buttonToModifier(button),
  bp.event_x(), bp.event_y(),
  1, false, button);
   Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(mp);
@@ -174,11 +181,17 @@
   ButtonRelease br = (ButtonRelease) xEvent;
   key= new Integer(br.event_window_id);
   awtWindow = (Window) windows.get(key);
+
+  button = br.detail();
+  // AWT cannot handle more than 3 buttons and expects 0 instead.
+  if (button = 3)
+button = 0;
   drag = -1;
   MouseEvent mr = new MouseEvent(awtWindow, MouseEvent.MOUSE_RELEASED,
- System.currentTimeMillis(), 0,
+ System.currentTimeMillis(),
+ KeyboardMapping.mapModifiers(br.state()) | buttonToModifier(button),
  br.event_x(), br.event_y(),
- 1, false, br.detail());
+ 1, false, button);
   Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(mr);
   break;
 case MotionNotify.CODE:
@@ -297,6 +310,23 @@
 
   }
 
+  /** Translates an X button identifier to the AWT's MouseEvent modifier
+   *  mask. As the AWT cannot handle more than 3 buttons those return
+   *  code0/code.
+   */
+  static int buttonToModifier(int button)
+  {
+switch (button)
+{
+  case 1:
+return MouseEvent.BUTTON1_DOWN_MASK | MouseEvent.BUTTON1_MASK;
+  case 2:
+return MouseEvent.BUTTON2_DOWN_MASK | MouseEvent.BUTTON2_MASK;
+  case 3:
+return MouseEvent.BUTTON3_DOWN_MASK | MouseEvent.BUTTON3_MASK;
+}
 
-}
+return 0;
+  }
 
+}



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Re: [cp-patches] RFC: calculate button modifiers for X peers

2007-05-22 Thread Roman Kennke
Hi Robert,

 the attached patch properly calculates the modifiers for mouse press
 and release events.

This looks very good. Except, if I read the patch correctly, the import
gnu.java.awt.EventModifier isn't needed. Please commit. Thank you for
fixing this.

/Roman

-- 
Dipl.-Inf. Roman Kennke, Software Engineer, http://kennke.org
aicas Allerton Interworks Computer Automated Systems GmbH
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