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[GTK4] Fix segmentation fault when creating multiple displays #1832

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Merged
merged 1 commit into from
Mar 19, 2025
+22 −20
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[GTK4] Fix segmentation fault when creating multiple displays #1832

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42 changes: 22 additions & 20 deletions bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Display.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4817,26 +4817,28 @@ void releaseDisplay () {
keysChangedProc = 0;

/* Dispose subclass */
long pangoLayoutType = OS.PANGO_TYPE_LAYOUT ();
long pangoLayoutClass = OS.g_type_class_ref (pangoLayoutType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (pangoLayoutClass, pangoLayoutNewProc);
OS.g_type_class_unref (pangoLayoutClass);
pangoLayoutNewProc = 0;
long imContextType = GTK.GTK_TYPE_IM_MULTICONTEXT ();
long imContextClass = OS.g_type_class_ref (imContextType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (imContextClass, imContextNewProc);
OS.g_type_class_unref (imContextClass);
imContextNewProc = 0;
long pangoFontFamilyType = OS.PANGO_TYPE_FONT_FAMILY ();
long pangoFontFamilyClass = OS.g_type_class_ref (pangoFontFamilyType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (pangoFontFamilyClass, pangoFontFamilyNewProc);
OS.g_type_class_unref (pangoFontFamilyClass);
pangoFontFamilyNewProc = 0;
long pangoFontFaceType = OS.PANGO_TYPE_FONT_FACE ();
long pangoFontFaceClass = OS.g_type_class_ref (pangoFontFaceType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (pangoFontFaceClass, pangoFontFaceNewProc);
OS.g_type_class_unref (pangoFontFaceClass);
pangoFontFaceNewProc = 0;
if (!GTK.GTK4) {
long pangoLayoutType = OS.PANGO_TYPE_LAYOUT ();
long pangoLayoutClass = OS.g_type_class_ref (pangoLayoutType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (pangoLayoutClass, pangoLayoutNewProc);
OS.g_type_class_unref (pangoLayoutClass);
pangoLayoutNewProc = 0;
long imContextType = GTK.GTK_TYPE_IM_MULTICONTEXT ();
long imContextClass = OS.g_type_class_ref (imContextType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (imContextClass, imContextNewProc);
OS.g_type_class_unref (imContextClass);
imContextNewProc = 0;
long pangoFontFamilyType = OS.PANGO_TYPE_FONT_FAMILY ();
long pangoFontFamilyClass = OS.g_type_class_ref (pangoFontFamilyType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (pangoFontFamilyClass, pangoFontFamilyNewProc);
OS.g_type_class_unref (pangoFontFamilyClass);
pangoFontFamilyNewProc = 0;
long pangoFontFaceType = OS.PANGO_TYPE_FONT_FACE ();
long pangoFontFaceClass = OS.g_type_class_ref (pangoFontFaceType);
OS.G_OBJECT_CLASS_SET_CONSTRUCTOR (pangoFontFaceClass, pangoFontFaceNewProc);
OS.g_type_class_unref (pangoFontFaceClass);
pangoFontFaceNewProc = 0;
}

/* Release the sleep resources */
max_priority = timeout = null;
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