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Drop shadows on Windows: use light weight popups by default (issue #94)

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this fixes the sub-pixel text rendering issue (on Windows) for popups that fit into the owner window
This commit is contained in:
Karl Tauber
2020-05-13 18:41:26 +02:00
parent a9cfe69ba7
commit b8f953cd26
1 changed files with 8 additions and 10 deletions
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18
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java
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@@ -53,17 +53,14 @@ public class FlatPopupFactory
if( !UIManager.getBoolean( "Popup.dropShadowPainted" ) ) if( !UIManager.getBoolean( "Popup.dropShadowPainted" ) )
return super.getPopup( owner, contents, x, y ); return super.getPopup( owner, contents, x, y );
// always use heavy weight popup because the drop shadow increases
// the popup size and may overlap the window bounds
Popup popup = getHeavyWeightPopup( owner, contents, x, y );
// failed to get heavy weight popup --> do not add drop shadow
if( popup == null )
return super.getPopup( owner, contents, x, y );
// macOS and Linux adds drop shadow to heavy weight popups // macOS and Linux adds drop shadow to heavy weight popups
if( SystemInfo.IS_MAC || SystemInfo.IS_LINUX ) if( SystemInfo.IS_MAC || SystemInfo.IS_LINUX ) {
return popup; Popup popup = getHeavyWeightPopup( owner, contents, x, y );
return (popup != null) ? popup : super.getPopup( owner, contents, x, y );
}
// create popup
Popup popup = super.getPopup( owner, contents, x, y );
// create drop shadow popup // create drop shadow popup
return new DropShadowPopup( popup, contents ); return new DropShadowPopup( popup, contents );
@@ -119,6 +116,7 @@ public class FlatPopupFactory
DropShadowPopup( Popup delegate, Component contents ) { DropShadowPopup( Popup delegate, Component contents ) {
this.delegate = delegate; this.delegate = delegate;
// drop shadows on medium weight popups are not supported
if( delegate.getClass().getName().endsWith( "MediumWeightPopup" ) ) if( delegate.getClass().getName().endsWith( "MediumWeightPopup" ) )
return; return;