--- /dev/null
+/* GDK - The GIMP Drawing Kit
+ *
+ * gdkdrawcontext.c: base class for rendering system support
+ *
+ * Copyright © 2016 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "gdkdrawcontextprivate.h"
+
+#include "gdkinternals.h"
+#include "gdkintl.h"
+
+/**
+ * SECTION:gdkdrawcontext
+ * @Title: GdkDrawContext
+ * @Short_description: Drawing context base class
+ *
+ * #GdkDrawContext is the base object used by contexts implementing different
+ * rendering methods, such as #GdkGLContext or #GdkVulkanContext. They provide
+ * shared functionality between those contexts.
+ *
+ * You will always interact with one of those subclasses.
+ */
+typedef struct _GdkDrawContextPrivate GdkDrawContextPrivate;
+
+struct _GdkDrawContextPrivate {
+ GdkWindow *window;
+};
+
+enum {
+ PROP_0,
+
+ PROP_DISPLAY,
+ PROP_WINDOW,
+
+ LAST_PROP
+};
+
+static GParamSpec *pspecs[LAST_PROP] = { NULL, };
+
+G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GdkDrawContext, gdk_draw_context, G_TYPE_OBJECT)
+
+static void
+gdk_draw_context_dispose (GObject *gobject)
+{
+ GdkDrawContext *context = GDK_DRAW_CONTEXT (gobject);
+ GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
+
+ g_clear_object (&priv->window);
+
+ G_OBJECT_CLASS (gdk_draw_context_parent_class)->dispose (gobject);
+}
+
+static void
+gdk_draw_context_set_property (GObject *gobject,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GdkDrawContext *context = GDK_DRAW_CONTEXT (gobject);
+ GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
+
+ switch (prop_id)
+ {
+ case PROP_WINDOW:
+ priv->window = g_value_dup_object (value);
+ g_assert (priv->window != NULL);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ }
+}
+
+static void
+gdk_draw_context_get_property (GObject *gobject,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GdkDrawContext *context = GDK_DRAW_CONTEXT (gobject);
+ GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
+
+ switch (prop_id)
+ {
+ case PROP_DISPLAY:
+ g_value_set_object (value, gdk_draw_context_get_display (context));
+ break;
+
+ case PROP_WINDOW:
+ g_value_set_object (value, priv->window);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ }
+}
+
+static void
+gdk_draw_context_class_init (GdkDrawContextClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->set_property = gdk_draw_context_set_property;
+ gobject_class->get_property = gdk_draw_context_get_property;
+ gobject_class->dispose = gdk_draw_context_dispose;
+
+ /**
+ * GdkDrawContext:display:
+ *
+ * The #GdkDisplay used to create the #GdkDrawContext.
+ *
+ * Since: 3.90
+ */
+ pspecs[PROP_DISPLAY] =
+ g_param_spec_object ("display",
+ P_("Display"),
+ P_("The GDK display used to create the context"),
+ GDK_TYPE_DISPLAY,
+ G_PARAM_READABLE |
+ G_PARAM_STATIC_STRINGS);
+
+ /**
+ * GdkDrawContext:window:
+ *
+ * The #GdkWindow the gl context is bound to.
+ *
+ * Since: 3.90
+ */
+ pspecs[PROP_WINDOW] =
+ g_param_spec_object ("window",
+ P_("Window"),
+ P_("The GDK window bound to the context"),
+ GDK_TYPE_WINDOW,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, LAST_PROP, pspecs);
+}
+
+static void
+gdk_draw_context_init (GdkDrawContext *self)
+{
+}
+
+/**
+ * gdk_draw_context_get_display:
+ * @context: a #GdkDrawContext
+ *
+ * Retrieves the #GdkDisplay the @context is created for
+ *
+ * Returns: (nullable) (transfer none): a #GdkDisplay or %NULL
+ *
+ * Since: 3.90
+ */
+GdkDisplay *
+gdk_draw_context_get_display (GdkDrawContext *context)
+{
+ GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
+
+ g_return_val_if_fail (GDK_IS_DRAW_CONTEXT (context), NULL);
+
+ return priv->window ? gdk_window_get_display (priv->window) : NULL;
+}
+
+/**
+ * gdk_draw_context_get_window:
+ * @context: a #GdkDrawContext
+ *
+ * Retrieves the #GdkWindow used by the @context.
+ *
+ * Returns: (nullable) (transfer none): a #GdkWindow or %NULL
+ *
+ * Since: 3.90
+ */
+GdkWindow *
+gdk_draw_context_get_window (GdkDrawContext *context)
+{
+ GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
+
+ g_return_val_if_fail (GDK_IS_DRAW_CONTEXT (context), NULL);
+
+ return priv->window;
+}
+
--- /dev/null
+/* GDK - The GIMP Drawing Kit
+ *
+ * gdkdrawcontext.h: base class for rendering system support
+ *
+ * Copyright © 2016 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GDK_DRAW_CONTEXT__
+#define __GDK_DRAW_CONTEXT__
+
+#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
+#error "Only <gdk/gdk.h> can be included directly."
+#endif
+
+#include <gdk/gdkversionmacros.h>
+#include <gdk/gdktypes.h>
+
+G_BEGIN_DECLS
+
+#define GDK_TYPE_DRAW_CONTEXT (gdk_draw_context_get_type ())
+#define GDK_DRAW_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_DRAW_CONTEXT, GdkDrawContext))
+#define GDK_IS_DRAW_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_DRAW_CONTEXT))
+
+GDK_AVAILABLE_IN_3_90
+GType gdk_draw_context_get_type (void) G_GNUC_CONST;
+
+GDK_AVAILABLE_IN_3_90
+GdkDisplay * gdk_draw_context_get_display (GdkDrawContext *context);
+GDK_AVAILABLE_IN_3_90
+GdkWindow * gdk_draw_context_get_window (GdkDrawContext *context);
+
+G_END_DECLS
+
+#endif /* __GDK_DRAW_CONTEXT__ */
--- /dev/null
+/* GDK - The GIMP Drawing Kit
+ *
+ * gdkdrawcontext.h: base class for rendering system support
+ *
+ * Copyright © 2016 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GDK_DRAW_CONTEXT_PRIVATE__
+#define __GDK_DRAW_CONTEXT_PRIVATE__
+
+#include "gdkdrawcontext.h"
+
+G_BEGIN_DECLS
+
+#define GDK_DRAW_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAW_CONTEXT, GdkDrawContextClass))
+#define GDK_IS_DRAW_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAW_CONTEXT))
+#define GDK_DRAW_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAW_CONTEXT, GdkDrawContextClass))
+
+typedef struct _GdkDrawContextClass GdkDrawContextClass;
+
+struct _GdkDrawContext
+{
+ GObject parent_instance;
+};
+
+struct _GdkDrawContextClass
+{
+ GObjectClass parent_class;
+};
+
+G_END_DECLS
+
+#endif /* __GDK__DRAW_CONTEXT_PRIVATE__ */
projects / gtk4.git / commitdiff