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TabbedPane: for right-to-left always use "more tabs" button for horizontal scrolling because methods scrollForward() and scrollBackward() in class BasicTabbedPaneUI.ScrollableTabSupport do not work for right-to-left

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This commit is contained in:
Karl Tauber
2020-10-22 11:07:42 +02:00
parent 8ccda81d9a
commit 3f616e3608
1 changed files with 8 additions and 2 deletions
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10
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java
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@@ -1600,6 +1600,13 @@ public class FlatTabbedPaneUI
boolean useMoreButton = (getHiddenTabsNavigation() == MORE_TABS_BUTTON);
// for right-to-left always use "more tabs" button for horizontal scrolling
// because methods scrollForward() and scrollBackward() in class
// BasicTabbedPaneUI.ScrollableTabSupport do not work for right-to-left
boolean leftToRight = tabPane.getComponentOrientation().isLeftToRight();
if( !leftToRight && !useMoreButton && isHorizontalTabPlacement() )
useMoreButton = true;
// find backward/forward scroll buttons
JButton backwardButton = null;
JButton forwardButton = null;
@@ -1624,7 +1631,6 @@ public class FlatTabbedPaneUI
Dimension moreButtonSize = useMoreButton ? moreTabsButton.getPreferredSize() : null;
Dimension backwardButtonSize = useMoreButton ? null : backwardButton.getPreferredSize();
Dimension forwardButtonSize = useMoreButton ? null : forwardButton.getPreferredSize();
boolean leftToRight = tabPane.getComponentOrientation().isLeftToRight();
boolean buttonsVisible = false;
// TabbedPaneScrollLayout adds tabAreaInsets to tab coordinates,
@@ -1706,7 +1712,7 @@ public class FlatTabbedPaneUI
// fix x-locations of tabs so that they are right-aligned in the view
shiftTabs( tabViewport.getView().getWidth() - (rects[0].x + rects[0].width), 0 );
}
} else { // LEFT, RIGHT
} else { // LEFT and RIGHT tab placement
// tab area bounds
int tx = (tabPlacement == LEFT)
? insets.left