[gtk+/wip/otte/gadget: 4/5] gadget: Add GtkCssCustomGadget
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/gadget: 4/5] gadget: Add GtkCssCustomGadget
- Date: Mon, 16 Nov 2015 01:33:01 +0000 (UTC)
commit aa08debe07cb38e0dab660063cbba76864aa1825
Author: Benjamin Otte <otte redhat com>
Date: Wed Sep 9 19:15:01 2015 +0200
gadget: Add GtkCssCustomGadget
The thing you use when you want to custom-do everything.
gtk/Makefile.am | 4 +-
gtk/gtkcsscustomgadget.c | 178 +++++++++++++++++++++++++++++++++++++++
gtk/gtkcsscustomgadgetprivate.h | 86 +++++++++++++++++++
3 files changed, 267 insertions(+), 1 deletions(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 23b6987..86e7883 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 \
@@ -636,6 +637,7 @@ 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 0000000..71c6a98
--- /dev/null
+++ b/gtk/gtkcsscustomgadget.c
@@ -0,0 +1,178 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Benjamin Otte <otte gnome org>
+ */
+
+#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 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, width, height, priv->data);
+ else
+ return GTK_CSS_GADGET_CLASS (gtk_css_custom_gadget_parent_class)->draw (gadget, cr, 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 0000000..619d7be
--- /dev/null
+++ b/gtk/gtkcsscustomgadgetprivate.h
@@ -0,0 +1,86 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Benjamin Otte <otte gnome org>
+ */
+
+#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 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__ */
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