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gtk-demo: Make a more interesting constraints demo
Show various ways to influence spacing. This is more or less modeled on the way Androids constraint layout lets you set up 'chains'.
This commit is contained in:
Matthias Clasen
parent
09fd2d61c4
commit
a2ce6268b2
@ -1,8 +1,10 @@
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/* Constraints/Builder
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*
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* GtkConstraintLayouts can be created in .ui files, and constraints can be
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* set up at that time as well, as this example demonstrates. It uses the
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* same setup as the “Simple” constraints demo.
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* GtkConstraintLayouts can be created in .ui files, and constraints can
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* be set up at that time as well, as this example demonstrates. It shows
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* various ways to do spacing and sizing with constraints.
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*
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* Make the window wider to see the rows react differently
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*/
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#include <glib/gi18n.h>
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@ -5,99 +5,453 @@
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<property name="default-width">260</property>
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<child>
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<object class="ConstraintsGrid">
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<property name="halign">fill</property>
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<property name="valign">fill</property>
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<property name="margin-top">10</property>
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<property name="margin-bottom">10</property>
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<property name="margin-start">10</property>
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<property name="margin-end">10</property>
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<property name="layout-manager">
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<object class="GtkConstraintLayout">
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<constraints>
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<guide name="space"
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min-width="10" min-height="10"
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nat-width="100" nat-height="10"
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max-width="200" max-height="20"
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strength="strong"/>
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<constraint target="button1" target-attribute="width"
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relation="le"
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constant="200"
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strength="required"/>
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<constraint target="super" target-attribute="start"
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relation="eq"
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source="button1" source-attribute="start"
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constant="-8"
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strength="required"/>
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<constraint target="button1" target-attribute="width"
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relation="eq"
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source="button2" source-attribute="width"
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strength="required"/>
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<constraint target="button1" target-attribute="end"
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relation="eq"
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source="space" source-attribute="start"
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strength="required"/>
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<constraint target="space" target-attribute="end"
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relation="eq"
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source="button2" source-attribute="start"
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strength="required"/>
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<constraint target="super" target-attribute="end"
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relation="eq"
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source="button2" source-attribute="end"
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constant="8"
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strength="required"/>
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<constraint target="super" target-attribute="start"
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relation="eq"
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source="button3" source-attribute="start"
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constant="-8"
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strength="required"/>
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<constraint target="super" target-attribute="end"
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relation="eq"
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source="button3" source-attribute="end"
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constant="8"
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strength="required"/>
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<guide name="guide1" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide2" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide3" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide4" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide5" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide6" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide7" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide8" min-width="10" nat-width="200" strength="weak"/>
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<guide name="guide9" min-width="0" nat-width="200" strength="weak"/>
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<guide name="guide10" min-width="0" nat-width="200" strength="weak"/>
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<guide name="barrier1" min-height="10"/>
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<guide name="barrier2" min-height="10"/>
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<guide name="barrier3" min-height="10"/>
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<guide name="barrier4" min-height="10"/>
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<!-- Spread Chain -->
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<constraint target="super" target-attribute="top"
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relation="eq"
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source="button1" source-attribute="top"
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constant="-8"
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strength="required"/>
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<constraint target="super" target-attribute="top"
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relation="eq"
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source="button2" source-attribute="top"
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constant="-8"
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strength="required"/>
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<constraint target="button1" target-attribute="bottom"
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<constraint target="super" target-attribute="top"
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relation="eq"
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source="button3" source-attribute="top"
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constant="-12"
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strength="required"/>
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<constraint target="super" target-attribute="left"
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relation="eq"
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source="guide1" source-attribute="left"
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strength="required"/>
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<constraint target="button1" target-attribute="left"
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relation="eq"
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source="guide1" source-attribute="right"
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strength="required"/>
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<constraint target="guide2" target-attribute="left"
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relation="eq"
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source="button1" source-attribute="right"
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strength="required"/>
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<constraint target="button2" target-attribute="left"
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relation="eq"
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source="guide2" source-attribute="right"
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strength="required"/>
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<constraint target="guide3" target-attribute="left"
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relation="eq"
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source="button2" source-attribute="right"
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strength="required"/>
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<constraint target="button3" target-attribute="left"
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relation="eq"
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source="guide3" source-attribute="right"
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strength="required"/>
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<constraint target="guide4" target-attribute="left"
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relation="eq"
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source="button3" source-attribute="right"
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strength="required"/>
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<constraint target="super" target-attribute="right"
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relation="eq"
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source="guide4" source-attribute="right"
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strength="required"/>
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<constraint target="guide1" target-attribute="width"
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relation="eq"
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source="guide2" source-attribute="width"
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strength="required"/>
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<constraint target="guide2" target-attribute="width"
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relation="eq"
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source="guide3" source-attribute="width"
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strength="required"/>
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<constraint target="guide3" target-attribute="width"
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relation="eq"
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source="guide4" source-attribute="width"
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strength="required"/>
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<constraint target="button1" target-attribute="width"
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relation="eq"
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source="button2" source-attribute="width"
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strength="required"/>
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<constraint target="button2" target-attribute="width"
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relation="eq"
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source="button3" source-attribute="width"
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strength="required"/>
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<constraint target="button1" target-attribute="bottom"
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relation="eq"
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source="barrier1" source-attribute="top"
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strength="required"/>
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<constraint target="button2" target-attribute="bottom"
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relation="eq"
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source="button3" source-attribute="top"
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constant="-12"
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source="barrier1" source-attribute="top"
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strength="required"/>
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<constraint target="button3" target-attribute="height"
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<constraint target="button3" target-attribute="bottom"
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relation="eq"
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source="button1" source-attribute="height"
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source="barrier1" source-attribute="top"
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strength="required"/>
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<constraint target="button3" target-attribute="height"
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<!-- Spread Inside Chain -->
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<constraint target="super" target-attribute="left"
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relation="eq"
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source="button2" source-attribute="height"
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source="button4" source-attribute="left"
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strength="required"/>
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<constraint target="guide5" target-attribute="left"
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relation="eq"
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source="button4" source-attribute="right"
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strength="required"/>
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<constraint target="button5" target-attribute="left"
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relation="eq"
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source="guide5" source-attribute="right"
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strength="required"/>
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<constraint target="guide6" target-attribute="left"
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relation="eq"
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source="button5" source-attribute="right"
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strength="required"/>
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<constraint target="button6" target-attribute="left"
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relation="eq"
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source="guide6" source-attribute="right"
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strength="required"/>
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<constraint target="super" target-attribute="right"
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relation="eq"
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source="button6" source-attribute="right"
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strength="required"/>
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<constraint target="guide5" target-attribute="width"
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relation="eq"
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source="guide6" source-attribute="width"
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strength="required"/>
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<constraint target="button4" target-attribute="width"
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relation="eq"
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source="button5" source-attribute="width"
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strength="required"/>
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<constraint target="button5" target-attribute="width"
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relation="eq"
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source="button6" source-attribute="width"
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strength="required"/>
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<constraint target="button4" target-attribute="top"
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relation="eq"
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source="barrier1" source-attribute="bottom"
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strength="required"/>
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<constraint target="button5" target-attribute="top"
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relation="eq"
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source="barrier1" source-attribute="bottom"
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strength="required"/>
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<constraint target="button6" target-attribute="top"
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relation="eq"
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source="barrier1" source-attribute="bottom"
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strength="required"/>
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<constraint target="button4" target-attribute="bottom"
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relation="eq"
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source="barrier2" source-attribute="top"
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strength="required"/>
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<constraint target="button5" target-attribute="bottom"
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relation="eq"
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source="barrier2" source-attribute="top"
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strength="required"/>
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<constraint target="button6" target-attribute="bottom"
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relation="eq"
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source="barrier2" source-attribute="top"
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strength="required"/>
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<!-- Weighted Chain -->
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<constraint target="super" target-attribute="left"
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relation="eq"
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source="button7" source-attribute="left"
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strength="required"/>
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<constraint target="button8" target-attribute="left"
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relation="eq"
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source="button7" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="button9" target-attribute="left"
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relation="eq"
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source="button8" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="super" target-attribute="right"
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relation="eq"
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source="button9" source-attribute="right"
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strength="required"/>
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<constraint target="button8" target-attribute="width"
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relation="eq"
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source="button7" source-attribute="width"
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multiplier="2"
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strength="required"/>
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<constraint target="button9" target-attribute="width"
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relation="eq"
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source="button7" source-attribute="width"
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multiplier="3"
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strength="required"/>
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<constraint target="button7" target-attribute="top"
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relation="eq"
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source="barrier2" source-attribute="bottom"
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strength="required"/>
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<constraint target="button8" target-attribute="top"
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relation="eq"
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source="barrier2" source-attribute="bottom"
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strength="required"/>
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<constraint target="button9" target-attribute="top"
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relation="eq"
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source="barrier2" source-attribute="bottom"
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strength="required"/>
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<constraint target="button7" target-attribute="bottom"
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relation="eq"
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source="barrier3" source-attribute="top"
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strength="required"/>
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<constraint target="button8" target-attribute="bottom"
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relation="eq"
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source="barrier3" source-attribute="top"
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strength="required"/>
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<constraint target="button9" target-attribute="bottom"
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relation="eq"
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source="barrier3" source-attribute="top"
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strength="required"/>
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<!-- Packed Chain -->
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<constraint target="super" target-attribute="left"
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relation="eq"
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source="guide7" source-attribute="left"
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strength="required"/>
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<constraint target="button10" target-attribute="left"
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relation="eq"
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source="guide7" source-attribute="right"
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strength="required"/>
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<constraint target="button11" target-attribute="left"
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relation="eq"
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source="button10" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="button12" target-attribute="left"
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relation="eq"
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source="button11" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="guide8" target-attribute="left"
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relation="eq"
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source="button12" source-attribute="right"
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strength="required"/>
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<constraint target="super" target-attribute="right"
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relation="eq"
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source="guide8" source-attribute="right"
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strength="required"/>
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<constraint target="guide7" target-attribute="width"
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relation="eq"
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source="guide8" source-attribute="width"
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strength="required"/>
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<constraint target="button10" target-attribute="width"
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relation="eq"
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source="button11" source-attribute="width"
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strength="required"/>
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<constraint target="button11" target-attribute="width"
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relation="eq"
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source="button12" source-attribute="width"
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strength="required"/>
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<constraint target="button10" target-attribute="top"
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relation="eq"
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source="barrier3" source-attribute="bottom"
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strength="required"/>
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<constraint target="button11" target-attribute="top"
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relation="eq"
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source="barrier3" source-attribute="bottom"
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strength="required"/>
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<constraint target="button12" target-attribute="top"
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relation="eq"
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source="barrier3" source-attribute="bottom"
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strength="required"/>
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<constraint target="button10" target-attribute="bottom"
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relation="eq"
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source="barrier4" source-attribute="top"
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strength="required"/>
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<constraint target="button11" target-attribute="bottom"
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relation="eq"
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source="barrier4" source-attribute="top"
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strength="required"/>
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<constraint target="button12" target-attribute="bottom"
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relation="eq"
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source="barrier4" source-attribute="top"
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strength="required"/>
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<!-- Packed Chain with Bias -->
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<constraint target="super" target-attribute="left"
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relation="eq"
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source="guide9" source-attribute="left"
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strength="required"/>
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<constraint target="button13" target-attribute="left"
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relation="eq"
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source="guide9" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="button14" target-attribute="left"
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relation="eq"
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source="button13" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="button15" target-attribute="left"
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relation="eq"
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source="button14" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="guide10" target-attribute="left"
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relation="eq"
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source="button15" source-attribute="right"
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constant="10"
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strength="required"/>
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<constraint target="super" target-attribute="right"
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relation="eq"
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source="guide10" source-attribute="right"
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strength="required"/>
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<constraint target="guide9" target-attribute="width"
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relation="eq"
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source="guide10" source-attribute="width"
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multiplier="4"
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strength="required"/>
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<constraint target="button13" target-attribute="width"
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relation="eq"
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source="button14" source-attribute="width"
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strength="required"/>
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<constraint target="button14" target-attribute="width"
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relation="eq"
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source="button15" source-attribute="width"
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strength="required"/>
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<constraint target="button13" target-attribute="top"
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relation="eq"
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source="barrier4" source-attribute="bottom"
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strength="required"/>
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<constraint target="button14" target-attribute="top"
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relation="eq"
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source="barrier4" source-attribute="bottom"
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strength="required"/>
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<constraint target="button15" target-attribute="top"
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relation="eq"
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source="barrier4" source-attribute="bottom"
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strength="required"/>
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<constraint target="super" target-attribute="bottom"
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relation="ge"
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source="button13" source-attribute="bottom"
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strength="required"/>
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<constraint target="super" target-attribute="bottom"
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relation="eq"
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source="button3" source-attribute="bottom"
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constant="8"
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relation="ge"
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source="button14" source-attribute="bottom"
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strength="required"/>
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<constraint target="super" target-attribute="bottom"
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relation="ge"
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source="button15" source-attribute="bottom"
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strength="required"/>
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</constraints>
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</object>
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</property>
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<child>
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<object class="GtkButton" id="button1">
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<property name="label">Child 1</property>
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<property name="label">A</property>
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</object>
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</child>
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<child>
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<object class="GtkButton" id="button2">
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<property name="label">Child 2</property>
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<property name="label">B</property>
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</object>
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</child>
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<child>
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<object class="GtkButton" id="button3">
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<property name="label">Child 3</property>
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<property name="label">C</property>
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</object>
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</child>
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<child>
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<object class="GtkButton" id="button4">
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<property name="label">A</property>
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</object>
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</child>
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<child>
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<object class="GtkButton" id="button5">
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<property name="label">B</property>
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</object>
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</child>
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<child>
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<object class="GtkButton" id="button6">
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<property name="label">C</property>
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</object>
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</child>
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<child>
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<object class="GtkButton" id="button7">
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<property name="label">A</property>
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</object>
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</child>
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<child>
|
||||
<object class="GtkButton" id="button8">
|
||||
<property name="label">B</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button9">
|
||||
<property name="label">C</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button10">
|
||||
<property name="label">A</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button11">
|
||||
<property name="label">B</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button12">
|
||||
<property name="label">C</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button13">
|
||||
<property name="label">A</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button14">
|
||||
<property name="label">B</property>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="button15">
|
||||
<property name="label">C</property>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user