191 * @exception HeadlessException if GraphicsEnvironment.isHeadless()
192 * returns true
193 * @see #setDynamicLayout(boolean dynamic)
194 * @see #isDynamicLayoutActive()
195 * @see #getDesktopProperty(String propertyName)
196 * @see java.awt.GraphicsEnvironment#isHeadless
197 * @since 1.4
198 */
199 protected boolean isDynamicLayoutSet()
200 throws HeadlessException {
201 GraphicsEnvironment.checkHeadless();
202
203 if (this != Toolkit.getDefaultToolkit()) {
204 return Toolkit.getDefaultToolkit().isDynamicLayoutSet();
205 } else {
206 return false;
207 }
208 }
209
210 /**
211 * Returns whether dynamic layout of Containers on resize is
212 * currently active (both set in program
213 *( {@code isDynamicLayoutSet()} )
214 *, and supported
215 * by the underlying operating system and/or window manager).
216 * If dynamic layout is currently inactive then Containers
217 * re-layout their components when resizing is completed. As a result
218 * the {@code Component.validate()} method will be invoked only
219 * once per resize.
220 * If dynamic layout is currently active then Containers
221 * re-layout their components on every native resize event and
222 * the {@code validate()} method will be invoked each time.
223 * The OS/WM support can be queried using
224 * the getDesktopProperty("awt.dynamicLayoutSupported") method.
225 *
226 * @return true if dynamic layout of Containers on resize is
227 * currently active, false otherwise.
228 * @exception HeadlessException if the GraphicsEnvironment.isHeadless()
229 * method returns true
230 * @see #setDynamicLayout(boolean dynamic)
231 * @see #isDynamicLayoutSet()
232 * @see #getDesktopProperty(String propertyName)
233 * @see java.awt.GraphicsEnvironment#isHeadless
234 * @since 1.4
235 */
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191 * @exception HeadlessException if GraphicsEnvironment.isHeadless()
192 * returns true
193 * @see #setDynamicLayout(boolean dynamic)
194 * @see #isDynamicLayoutActive()
195 * @see #getDesktopProperty(String propertyName)
196 * @see java.awt.GraphicsEnvironment#isHeadless
197 * @since 1.4
198 */
199 protected boolean isDynamicLayoutSet()
200 throws HeadlessException {
201 GraphicsEnvironment.checkHeadless();
202
203 if (this != Toolkit.getDefaultToolkit()) {
204 return Toolkit.getDefaultToolkit().isDynamicLayoutSet();
205 } else {
206 return false;
207 }
208 }
209
210 /**
211 * Returns whether dynamic layout of Containers on resize is currently
212 * active (both set in program ({@code isDynamicLayoutSet()}), and supported
213 * by the underlying operating system and/or window manager). Note that on
214 * platforms where dynamic layout during resizing is not supported (or is
215 * always supported) by the OS/WM, ({@code isDynamicLayoutSet()}) property
216 * has no effect.
217 * <p>
218 * If dynamic layout is currently inactive then Containers
219 * re-layout their components when resizing is completed. As a result
220 * the {@code Component.validate()} method will be invoked only
221 * once per resize.
222 * If dynamic layout is currently active then Containers
223 * re-layout their components on every native resize event and
224 * the {@code validate()} method will be invoked each time.
225 * The OS/WM support can be queried using
226 * the getDesktopProperty("awt.dynamicLayoutSupported") method.
227 *
228 * @return true if dynamic layout of Containers on resize is
229 * currently active, false otherwise.
230 * @exception HeadlessException if the GraphicsEnvironment.isHeadless()
231 * method returns true
232 * @see #setDynamicLayout(boolean dynamic)
233 * @see #isDynamicLayoutSet()
234 * @see #getDesktopProperty(String propertyName)
235 * @see java.awt.GraphicsEnvironment#isHeadless
236 * @since 1.4
237 */
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