73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
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#include "demochild.h"
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/* This is a trivial child widget just for demo purposes.
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* It draws a 32x32 square in fixed color.
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*/
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struct _DemoChild
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{
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GtkWidget parent_instance;
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GdkRGBA color;
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};
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struct _DemoChildClass
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{
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GtkWidgetClass parent_class;
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};
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G_DEFINE_TYPE (DemoChild, demo_child, GTK_TYPE_WIDGET)
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static void
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demo_child_init (DemoChild *self)
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{
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}
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static void
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demo_child_snapshot (GtkWidget *widget,
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GtkSnapshot *snapshot)
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{
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DemoChild *self = DEMO_CHILD (widget);
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int width, height;
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width = gtk_widget_get_width (widget);
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height = gtk_widget_get_height (widget);
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gtk_snapshot_append_color (snapshot, &self->color,
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&GRAPHENE_RECT_INIT(0, 0, width, height));
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}
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static void
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demo_child_measure (GtkWidget *widget,
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GtkOrientation orientation,
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int for_size,
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int *minimum,
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int *natural,
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int *minimum_baseline,
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int *natural_baseline)
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{
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*minimum = *natural = 32;
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}
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static void
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demo_child_class_init (DemoChildClass *class)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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widget_class->snapshot = demo_child_snapshot;
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widget_class->measure = demo_child_measure;
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}
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GtkWidget *
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demo_child_new (const char *color)
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{
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DemoChild *self;
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self = g_object_new (DEMO_TYPE_CHILD,
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"tooltip-text", color,
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NULL);
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gdk_rgba_parse (&self->color, color);
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return GTK_WIDGET (self);
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}
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