diff --git a/gtk/Makefile.am b/gtk/Makefile.am index 2d18db9b87..51566acb1c 100644 --- a/gtk/Makefile.am +++ b/gtk/Makefile.am @@ -386,7 +386,8 @@ gtk_private_h_sources = \ gtkcssbordervalueprivate.h \ gtkcsscolorvalueprivate.h \ gtkcsscornervalueprivate.h \ - gtkcsscustompropertyprivate.h \ + gtkcsscustomgadgetprivate.h \ + gtkcsscustompropertyprivate.h \ gtkcsseasevalueprivate.h \ gtkcssenginevalueprivate.h \ gtkcssenumvalueprivate.h \ @@ -640,6 +641,7 @@ gtk_base_c_sources = \ gtkcssbordervalue.c \ gtkcsscolorvalue.c \ gtkcsscornervalue.c \ + gtkcsscustomgadget.c \ gtkcsscustomproperty.c \ gtkcsseasevalue.c \ gtkcssenumvalue.c \ diff --git a/gtk/gtkcsscustomgadget.c b/gtk/gtkcsscustomgadget.c new file mode 100644 index 0000000000..1dcc5a3265 --- /dev/null +++ b/gtk/gtkcsscustomgadget.c @@ -0,0 +1,180 @@ +/* + * Copyright © 2015 Red Hat Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see . + * + * Authors: Benjamin Otte + */ + +#include "config.h" + +#include "gtkcsscustomgadgetprivate.h" + +#include "gtkcssnodeprivate.h" + +typedef struct _GtkCssCustomGadgetPrivate GtkCssCustomGadgetPrivate; +struct _GtkCssCustomGadgetPrivate { + GtkCssPreferredSizeFunc preferred_size_func; + GtkCssAllocateFunc allocate_func; + GtkCssDrawFunc draw_func; + gpointer data; + GDestroyNotify destroy_func; +}; + +G_DEFINE_TYPE_WITH_CODE (GtkCssCustomGadget, gtk_css_custom_gadget, GTK_TYPE_CSS_GADGET, + G_ADD_PRIVATE (GtkCssCustomGadget)) + +static void +gtk_css_custom_gadget_get_preferred_size (GtkCssGadget *gadget, + GtkOrientation orientation, + gint for_size, + gint *minimum, + gint *natural, + gint *minimum_baseline, + gint *natural_baseline) +{ + GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (gadget)); + + if (priv->preferred_size_func) + return priv->preferred_size_func (gadget, orientation, for_size, + minimum, natural, + minimum_baseline, natural_baseline, + priv->data); + else + return GTK_CSS_GADGET_CLASS (gtk_css_custom_gadget_parent_class)->get_preferred_size (gadget, orientation, for_size, + minimum, natural, + minimum_baseline, natural_baseline); +} + +static void +gtk_css_custom_gadget_allocate (GtkCssGadget *gadget, + const GtkAllocation *allocation, + int baseline, + GtkAllocation *out_clip) +{ + GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (gadget)); + + if (priv->allocate_func) + return priv->allocate_func (gadget, allocation, baseline, out_clip, priv->data); + else + return GTK_CSS_GADGET_CLASS (gtk_css_custom_gadget_parent_class)->allocate (gadget, allocation, baseline, out_clip); +} + +static gboolean +gtk_css_custom_gadget_draw (GtkCssGadget *gadget, + cairo_t *cr, + int x, + int y, + int width, + int height) +{ + GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (gadget)); + + if (priv->draw_func) + return priv->draw_func (gadget, cr, x, y, width, height, priv->data); + else + return GTK_CSS_GADGET_CLASS (gtk_css_custom_gadget_parent_class)->draw (gadget, cr, x, y, width, height); +} + +static void +gtk_css_custom_gadget_finalize (GObject *object) +{ + GtkCssCustomGadgetPrivate *priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (object)); + + if (priv->destroy_func) + priv->destroy_func (priv->data); + + G_OBJECT_CLASS (gtk_css_custom_gadget_parent_class)->finalize (object); +} + +static void +gtk_css_custom_gadget_class_init (GtkCssCustomGadgetClass *klass) +{ + GtkCssGadgetClass *gadget_class = GTK_CSS_GADGET_CLASS (klass); + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gtk_css_custom_gadget_finalize; + + gadget_class->get_preferred_size = gtk_css_custom_gadget_get_preferred_size; + gadget_class->allocate = gtk_css_custom_gadget_allocate; + gadget_class->draw = gtk_css_custom_gadget_draw; +} + +static void +gtk_css_custom_gadget_init (GtkCssCustomGadget *custom_gadget) +{ + +} + +GtkCssGadget * +gtk_css_custom_gadget_new_for_node (GtkCssNode *node, + GtkWidget *owner, + GtkCssPreferredSizeFunc preferred_size_func, + GtkCssAllocateFunc allocate_func, + GtkCssDrawFunc draw_func, + gpointer data, + GDestroyNotify destroy_func) +{ + GtkCssCustomGadgetPrivate *priv; + GtkCssGadget *result; + + result = g_object_new (GTK_TYPE_CSS_CUSTOM_GADGET, + "node", node, + "owner", owner, + NULL); + + priv = gtk_css_custom_gadget_get_instance_private (GTK_CSS_CUSTOM_GADGET (result)); + + priv->preferred_size_func = preferred_size_func; + priv->allocate_func = allocate_func; + priv->draw_func = draw_func; + priv->data = data; + priv->destroy_func = destroy_func; + + return result; +} + +GtkCssGadget * +gtk_css_custom_gadget_new (const char *name, + GtkWidget *owner, + GtkCssGadget *parent, + GtkCssGadget *next_sibling, + GtkCssPreferredSizeFunc preferred_size_func, + GtkCssAllocateFunc allocate_func, + GtkCssDrawFunc draw_func, + gpointer data, + GDestroyNotify destroy_func) +{ + GtkCssNode *node; + GtkCssGadget *result; + + node = gtk_css_node_new (); + gtk_css_node_set_name (node, g_intern_string (name)); + if (parent) + gtk_css_node_insert_before (gtk_css_gadget_get_node (parent), + node, + next_sibling ? gtk_css_gadget_get_node (next_sibling) : NULL); + + result = gtk_css_custom_gadget_new_for_node (node, + owner, + preferred_size_func, + allocate_func, + draw_func, + data, + destroy_func); + + g_object_unref (node); + + return result; +} diff --git a/gtk/gtkcsscustomgadgetprivate.h b/gtk/gtkcsscustomgadgetprivate.h new file mode 100644 index 0000000000..994237a2e5 --- /dev/null +++ b/gtk/gtkcsscustomgadgetprivate.h @@ -0,0 +1,88 @@ +/* + * Copyright © 2015 Red Hat Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see . + * + * Authors: Benjamin Otte + */ + +#ifndef __GTK_CSS_CUSTOM_GADGET_PRIVATE_H__ +#define __GTK_CSS_CUSTOM_GADGET_PRIVATE_H__ + +#include "gtk/gtkcssgadgetprivate.h" + +G_BEGIN_DECLS + +#define GTK_TYPE_CSS_CUSTOM_GADGET (gtk_css_custom_gadget_get_type ()) +#define GTK_CSS_CUSTOM_GADGET(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_CUSTOM_GADGET, GtkCssCustomGadget)) +#define GTK_CSS_CUSTOM_GADGET_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_CUSTOM_GADGET, GtkCssCustomGadgetClass)) +#define GTK_IS_CSS_CUSTOM_GADGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_CUSTOM_GADGET)) +#define GTK_IS_CSS_CUSTOM_GADGET_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_CUSTOM_GADGET)) +#define GTK_CSS_CUSTOM_GADGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_CUSTOM_GADGET, GtkCssCustomGadgetClass)) + +typedef struct _GtkCssCustomGadget GtkCssCustomGadget; +typedef struct _GtkCssCustomGadgetClass GtkCssCustomGadgetClass; + +typedef void (* GtkCssPreferredSizeFunc) (GtkCssGadget *gadget, + GtkOrientation orientation, + gint for_size, + gint *minimum, + gint *natural, + gint *minimum_baseline, + gint *natural_baseline, + gpointer data); +typedef void (* GtkCssAllocateFunc) (GtkCssGadget *gadget, + const GtkAllocation *allocation, + int baseline, + GtkAllocation *out_clip, + gpointer data); +typedef gboolean (* GtkCssDrawFunc) (GtkCssGadget *gadget, + cairo_t *cr, + int x, + int y, + int width, + int height, + gpointer data); +struct _GtkCssCustomGadget +{ + GtkCssGadget parent; +}; + +struct _GtkCssCustomGadgetClass +{ + GtkCssGadgetClass parent_class; +}; + +GType gtk_css_custom_gadget_get_type (void) G_GNUC_CONST; + +GtkCssGadget * gtk_css_custom_gadget_new (const char *name, + GtkWidget *owner, + GtkCssGadget *parent, + GtkCssGadget *next_sibling, + GtkCssPreferredSizeFunc get_preferred_size_func, + GtkCssAllocateFunc allocate_func, + GtkCssDrawFunc draw_func, + gpointer data, + GDestroyNotify destroy_func); +GtkCssGadget * gtk_css_custom_gadget_new_for_node (GtkCssNode *node, + GtkWidget *owner, + GtkCssPreferredSizeFunc preferred_size_func, + GtkCssAllocateFunc allocate_func, + GtkCssDrawFunc draw_func, + gpointer data, + GDestroyNotify destroy_func); + +G_END_DECLS + +#endif /* __GTK_CSS_CUSTOM_GADGET_PRIVATE_H__ */