Revision: 4466
http://vexi.svn.sourceforge.net/vexi/?rev=4466&view=rev
Author: clrg
Date: 2012-12-13 03:47:32 +0000 (Thu, 13 Dec 2012)
Log Message:
-----------
Prevent mousewheel messages stacking
Modified Paths:
--------------
trunk/org.vexi-core.main/src/main/java/org/vexi/core/Surface.java
Modified: trunk/org.vexi-core.main/src/main/java/org/vexi/core/Surface.java
===================================================================
--- trunk/org.vexi-core.main/src/main/java/org/vexi/core/Surface.java
2012-12-10 06:30:01 UTC (rev 4465)
+++ trunk/org.vexi-core.main/src/main/java/org/vexi/core/Surface.java
2012-12-13 03:47:32 UTC (rev 4466)
@@ -237,10 +237,16 @@
message(SC_Focused, b ? JSU.T : JSU.F);
}
- protected final void HScroll(int pixels) { message(SC_HScroll,
SC__HScroll, JSU.N(pixels)); }
- protected final void VScroll(int pixels) { message(SC_VScroll,
SC__VScroll, JSU.N(pixels)); }
- protected final void HScroll(float lines) { message(SC_HScroll,
SC__HScroll, JSU.N(lines)); }
- protected final void VScroll(float lines) { message(SC_VScroll,
SC__VScroll, JSU.N(lines)); }
+ // prevent scrolling requests from stacking
+ // as scrolling often results in a delayed
+ // response/render as the screen updates;
+ // these values get reset by Message
+ private static int hscroll = 0;
+ private static int vscroll = 0;
+ protected final void HScroll(int pixels) { hscroll += pixels;
message(SC_HScroll, SC__HScroll, null); }
+ protected final void VScroll(int pixels) { vscroll += pixels;
message(SC_VScroll, SC__VScroll, null); }
+ protected final void HScroll(float lines) { /* UNSUPPORTED
message(SC_HScroll, SC__HScroll, JSU.N(lines)); */ }
+ protected final void VScroll(float lines) { /* UNSUPPORTED
message(SC_VScroll, SC__VScroll, JSU.N(lines)); */ }
protected final void Press(final int button) {
last_press_x = mousex;
@@ -429,8 +435,8 @@
return o;
}
- // set up appropriate combination key values and allow clipboard
access
if (event==SC_KeyPressed) {
+ // set up appropriate combination key values
String value = JSU.toString(this.value);
if (shift && !value.equals("shift")) {
value = value.toUpperCase();
@@ -443,6 +449,13 @@
}
this.value = JSU.S(value);
surface.keypress_scheduled = false;
+
+ } else if (event==SC_HScroll) {
+ value = JSU.N(hscroll);
+ hscroll = 0;
+ } else if (event==SC_VScroll) {
+ value = JSU.N(vscroll);
+ vscroll = 0;
}
// propagate message through box tree
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