forked from AuroraMiddleware/gtk
Add another constraints demo
This one attempts to use constraints in a ui file. It doesn't work.
This commit is contained in:
Matthias Clasen
parent
a0ee25a21e
commit
49bdc4f0c2
113
demos/gtk-demo/constraints.ui
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113
demos/gtk-demo/constraints.ui
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@ -0,0 +1,113 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<object class="GtkWindow" id="window1">
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<property name="title" translatable="yes">Constraints</property>
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<child>
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<object class="ConstraintsGrid">
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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="start"
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relation="ge"
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constant="0"
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strength="required"/>
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<constraint target="button1" target-attribute="top"
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relation="ge"
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constant="0"
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strength="required"/>
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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="button2" target-attribute="end"
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relation="eq"
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source="super" 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="button3" target-attribute="end"
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relation="eq"
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source="super" source-attribute="end"
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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="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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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="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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strength="required"/>
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<constraint target="button3" target-attribute="height"
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relation="eq"
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source="button1" source-attribute="height"
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strength="required"/>
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<constraint target="button3" target-attribute="height"
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relation="eq"
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source="button2" source-attribute="height"
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strength="required"/>
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<constraint target="button3" target-attribute="bottom"
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relation="eq"
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source="super" source-attribute="bottom"
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constant="-8"
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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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</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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</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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</object>
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</child>
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</object>
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</child>
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</object>
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</interface>
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57
demos/gtk-demo/constraints4.c
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57
demos/gtk-demo/constraints4.c
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@ -0,0 +1,57 @@
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/* Constraints/Builder
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*
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* GtkConstraintLayouts can be created in .ui files, and
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* constraints can be set up at that time as well, as this
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* example demonstrates.
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*/
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#include <glib/gi18n.h>
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#include <gtk/gtk.h>
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G_DECLARE_FINAL_TYPE (ConstraintsGrid, constraints_grid, CONSTRAINTS, GRID, GtkWidget)
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struct _ConstraintsGrid
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{
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GtkWidget parent_instance;
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};
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G_DEFINE_TYPE (ConstraintsGrid, constraints_grid, GTK_TYPE_WIDGET)
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static void
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constraints_grid_init (ConstraintsGrid *grid)
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{
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}
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static void
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constraints_grid_class_init (ConstraintsGridClass *klass)
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{
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}
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GtkWidget *
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do_constraints4 (GtkWidget *do_widget)
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{
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static GtkWidget *window;
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if (!window)
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{
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GtkBuilder *builder;
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g_type_ensure (constraints_grid_get_type ());
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builder = gtk_builder_new_from_resource ("/constraints4/constraints.ui");
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window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
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g_object_unref (builder);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show (window);
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else
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gtk_window_destroy (GTK_WINDOW (window));
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return window;
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}
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@ -18,6 +18,9 @@
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<file>demoimage.c</file>
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<file>demoimage.h</file>
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</gresource>
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<gresource prefix="/constraints4">
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<file>constraints.ui</file>
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</gresource>
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<gresource prefix="/css_accordion">
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<file>css_accordion.css</file>
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<file>reset.css</file>
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@ -242,6 +245,7 @@
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<file>constraints.c</file>
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<file>constraints2.c</file>
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<file>constraints3.c</file>
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<file>constraints4.c</file>
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<file>css_accordion.c</file>
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<file>css_basics.c</file>
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<file>css_blendmodes.c</file>
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@ -9,6 +9,7 @@ demos = files([
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'constraints.c',
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'constraints2.c',
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'constraints3.c',
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'constraints4.c',
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'css_accordion.c',
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'css_basics.c',
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'css_blendmodes.c',
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