159 lines
4.0 KiB
C
159 lines
4.0 KiB
C
#include "config.h"
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#include "gtkpagethumbnailprivate.h"
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enum
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{
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PROP_PAGE_NUM = 1,
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NUM_PROPERTIES,
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};
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static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
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struct _GtkPageThumbnail
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{
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GtkWidget parent_instance;
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GtkWidget *label;
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int page_num;
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};
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struct _GtkPageThumbnailClass
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{
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GtkWidgetClass parent_class;
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};
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G_DEFINE_TYPE (GtkPageThumbnail, gtk_page_thumbnail, GTK_TYPE_WIDGET)
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static void
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gtk_page_thumbnail_init (GtkPageThumbnail *self)
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{
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self->label = gtk_inscription_new ("0");
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gtk_widget_set_parent (self->label, GTK_WIDGET (self));
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gtk_inscription_set_min_chars (GTK_INSCRIPTION (self->label), 1);
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gtk_inscription_set_nat_chars (GTK_INSCRIPTION (self->label), 1);
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}
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static void
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gtk_page_thumbnail_dispose (GObject *object)
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{
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GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (object);
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g_clear_pointer (&self->label, gtk_widget_unparent);
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G_OBJECT_CLASS (gtk_page_thumbnail_parent_class)->dispose (object);
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}
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static void
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gtk_page_thumbnail_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (object);
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switch (prop_id)
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{
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case PROP_PAGE_NUM:
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gtk_page_thumbnail_set_page_num (self, g_value_get_int (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_page_thumbnail_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (object);
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switch (prop_id)
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{
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case PROP_PAGE_NUM:
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g_value_set_int (value, self->page_num);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_page_thumbnail_size_allocate (GtkWidget *widget,
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int width,
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int height,
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int baseline)
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{
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GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (widget);
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GtkRequisition nat;
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GtkAllocation alloc;
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gtk_widget_get_preferred_size (self->label, NULL, &nat);
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alloc.x = width - nat.width;
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alloc.y = height - nat.height;
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alloc.width = nat.width;
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alloc.height = nat.height;
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gtk_widget_size_allocate (self->label, &alloc, -1);
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}
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static void
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gtk_page_thumbnail_class_init (GtkPageThumbnailClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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object_class->dispose = gtk_page_thumbnail_dispose;
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object_class->set_property = gtk_page_thumbnail_set_property;
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object_class->get_property = gtk_page_thumbnail_get_property;
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widget_class->size_allocate = gtk_page_thumbnail_size_allocate;
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properties[PROP_PAGE_NUM] =
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g_param_spec_int ("page-num", NULL, NULL,
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0, G_MAXINT, 0, G_PARAM_READWRITE);
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g_object_class_install_properties (object_class, NUM_PROPERTIES, properties);
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gtk_widget_class_set_css_name (widget_class, "page-thumbnail");
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}
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GtkPageThumbnail *
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gtk_page_thumbnail_new (void)
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{
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return g_object_new (GTK_TYPE_PAGE_THUMBNAIL, NULL);
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}
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void
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gtk_page_thumbnail_set_page_num (GtkPageThumbnail *self,
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int page_num)
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{
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g_return_if_fail (GTK_IS_PAGE_THUMBNAIL (self));
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g_return_if_fail (page_num >= 0);
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char text[64];
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if (self->page_num == page_num)
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return;
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self->page_num = page_num;
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g_snprintf (text, sizeof (text), "%d", self->page_num);
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gtk_inscription_set_text (GTK_INSCRIPTION (self->label), text);
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gtk_widget_queue_draw (GTK_WIDGET (self));
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PAGE_NUM]);
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}
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int
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gtk_page_thumbnail_get_page_num (GtkPageThumbnail *self)
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{
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g_return_val_if_fail (GTK_IS_PAGE_THUMBNAIL (self), 0);
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return self->page_num;
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}
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