Changeset 6716

Timestamp:

Mar 28, 2006, 9:14:51 AM (20 years ago)

Author:

eugene

Message:

better key interactions

File:

• trunk/Ohana/src/kii/event/InterpretKeys.c (modified) (4 diffs)

trunk/Ohana/src/kii/event/InterpretKeys.c

@@ -3 +3 @@
 int InterpretKeys (Graphic *graphic, Layout *layout, XEvent *event) {
 
-  double X, Y;
-  int    status;
+  double X, Y, offset;
+  int    modstate;
   char   string[10];
   KeySym keysym;
@@ -12 +12 @@
   keyevent = (XKeyEvent *) event;
   XLookupString (keyevent, string, 9, &keysym, &composestatus);
-  
+  modstate = keyevent[0].state;
+
+  // offset is in image pixels: 
+  // 0.5 image pixels is 1 screen pixel for expand == +2
+  // 2.0 image pixels is 1 screen pixel for expand == -2
+  if (layout[0].expand == 0) layout[0].expand = 1;
+  offset = (layout[0].expand > 0) ? 1.0 / layout[0].expand : -layout[0].expand;
+  if (modstate & ControlMask) offset *= 100;
 
   switch (keysym) {
 
+    case XK_KP_Home:
+    case XK_Home:
+      layout[0].expand = 1;
+      Reorient (graphic, layout, layout[0].X, layout[0].Y, 0);
+      break;
+    case XK_KP_End:
+    case XK_End:
+      layout[0].expand = 1;
+      Reorient (graphic, layout, 0, 0, 0);
+      break;
     case XK_KP_Enter:
+    case XK_KP_Begin:
     case XK_Return:
       Screen_to_Image (&X, &Y, (double)keyevent[0].x, (double)keyevent[0].y, layout);
@@ -24 +42 @@
       break;
     case XK_Prior:
+    case XK_KP_Prior:
       Reorient (graphic, layout, layout[0].X, layout[0].Y, +1);
       break;
     case XK_Next:
+    case XK_KP_Next:
       Reorient (graphic, layout, layout[0].X, layout[0].Y, -1);
       break;
     case XK_Up:
-      Reorient (graphic, layout, layout[0].X, layout[0].Y + 50, 0);
+    case XK_KP_Up:
+      Reorient (graphic, layout, layout[0].X, layout[0].Y + offset, 0);
       break;
     case XK_Down:
-      Reorient (graphic, layout, layout[0].X, layout[0].Y - 50, 0);
+    case XK_KP_Down:
+      Reorient (graphic, layout, layout[0].X, layout[0].Y - offset, 0);
       break;
     case XK_Left:
-      Reorient (graphic, layout, layout[0].X + 50, layout[0].Y, 0);
+    case XK_KP_Left:
+      Reorient (graphic, layout, layout[0].X + offset, layout[0].Y, 0);
       break;
     case XK_Right:
-      Reorient (graphic, layout, layout[0].X - 50, layout[0].Y, 0);
+    case XK_KP_Right:
+      Reorient (graphic, layout, layout[0].X - offset, layout[0].Y, 0);
       break;
 
@@ -45 +69 @@
       MOVE_POINTER = MOVE_POINTER ^ TRUE;
       if (MOVE_POINTER) UpdatePointer (graphic, layout, (XMotionEvent *)event);
-      status = TRUE;
       break;
-
-    default:
-      status = TRUE;
   }
 
-  return (status);
-
+  return (TRUE);
 }
 
+/* other keys we might want to use:
 
+  
 
-
-/************* the stuff below this line is old - remove eventually */
-/*
-  case XK_Right:
-  case XK_Left:
-  this is all old, but a good example for putting in the cursor motion.
-
-  break;
 */