angel/FlatLaf
1
0
Fork 0
mirror of https://github.com/JFormDesigner/FlatLaf.git synced 2026-02-12 06:57:13 -06:00
Code Issues Packages Projects Releases Wiki Activity

Slider: clicking on track now immediately moves the thumb to mouse location and starts dragging the thumb

Browse Source
This commit is contained in:
Karl Tauber
2020-12-20 13:32:10 +01:00
parent 3c58879ce5
commit 4fdd44858f
4 changed files with 351 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatSliderUI.java
View File

@@ -226,6 +226,10 @@ public class FlatSliderUI
g.drawRect( trackRect.x, trackRect.y, trackRect.width - 1, trackRect.height - 1 );
g.setColor( Color.red );
g.drawRect( thumbRect.x, thumbRect.y, thumbRect.width - 1, thumbRect.height - 1 );
g.setColor( Color.green );
g.drawRect( tickRect.x, tickRect.y, tickRect.width - 1, tickRect.height - 1 );
g.setColor( Color.red );
g.drawRect( labelRect.x, labelRect.y, labelRect.width - 1, labelRect.height - 1 );
debug*/
super.paint( g, c );
@@ -502,7 +506,47 @@ debug*/
@Override
public void mousePressed( MouseEvent e ) {
setThumbPressed( isOverThumb( e ) );
if( !slider.isEnabled() )
return;
// use "old" behavior when clicking on track
if( UIManager.getBoolean( "Slider.scrollOnTrackClick" ) ) {
super.mousePressed( e );
return;
}
// "new" behavior set thumb to mouse location when clicking on track
int x = e.getX();
int y = e.getY();
// clicked on thumb --> let super class do the work
calculateGeometry();
if( thumbRect.contains( x, y ) ) {
super.mousePressed( e );
return;
}
if( UIManager.getBoolean( "Slider.onlyLeftMouseButtonDrag" ) &&
!SwingUtilities.isLeftMouseButton( e ) )
return;
// move the mouse event coordinates to the center of the thumb
int tx = thumbRect.x + (thumbRect.width / 2) - x;
int ty = thumbRect.y + (thumbRect.height / 2) - y;
e.translatePoint( tx, ty );
// invoke super mousePressed() to start dragging thumb
super.mousePressed( e );
// move the mouse event coordinates back to current mouse location
e.translatePoint( -tx, -ty );
// invoke super mouseDragged() to update thumb location
super.mouseDragged( e );
setThumbPressed( true );
}
@Override