[Libreoffice-commits] core.git: android/experimental

[Ptyl]

 
android/experimental/desktop/src/org/libreoffice/experimental/desktop/Desktop.java
 |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

New commits:
commit 19efe68b1ece039027b08139e032b4ce483c113b
Author: Ptyl <p...@cloudon.com>
Date:   Thu May 9 15:16:00 2013 +0300

    Imrove scrolling in the Android "Desktop" app
    
    I got scrolling to respond to the JNI scroll method call.  (This is not yet
    the gesture I want to implement (scroll by pixels), but at least it’s a
    start.)
    
    At first I tried to do some hacking in the C++ part, then found the problem
    was in the Java parameters, which set the mouse whell delta too big.  When
    passed the value 1 or -1 to the Y value of AppSupport.scroll(int x, int y),
    the scrolling is reasonable.
    
    Change-Id: Id8fa0ada1a035760b7b05bf21325d0e51ef28fdc

diff --git 
a/android/experimental/desktop/src/org/libreoffice/experimental/desktop/Desktop.java
 
b/android/experimental/desktop/src/org/libreoffice/experimental/desktop/Desktop.java
index b24b0d7..b84333b 100644
--- 
a/android/experimental/desktop/src/org/libreoffice/experimental/desktop/Desktop.java
+++ 
b/android/experimental/desktop/src/org/libreoffice/experimental/desktop/Desktop.java
@@ -52,6 +52,12 @@ public class Desktop
 
     BootstrapContext bootstrapContext;
 
+    private static final Integer ZERO = 0;
+
+    private static int normalize(Number value) {
+        return ZERO.compareTo(-value.intValue());
+    }
+
     private void initBootstrapContext()
     {
         bootstrapContext = new BootstrapContext();
@@ -293,7 +299,7 @@ public class Desktop
             // the scroll must have ended.
 
             if (scrollInProgress) {
-                AppSupport.scroll((int) translateX, (int) translateY);
+                AppSupport.scroll(normalize(translateX), 
normalize(translateY));
                 translateX = translateY = 0;
                 scrollInProgress = false;
                 scrollJustEnded = true;

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