[gnome-builder] libide/tweaks: add IdeTweaksWidget (renamed from Custom)

[Christian Hergert <chergert src gnome org>]

commit 64a311c7a74069a83959dcaa019b25e4c597b8e3
Author: Christian Hergert <chergert redhat com>
Date:   Thu Aug 4 15:29:46 2022 -0700

    libide/tweaks: add IdeTweaksWidget (renamed from Custom)

 src/libide/tweaks/demo/011-visual-style.ui    |  22 ++++
 src/libide/tweaks/ide-tweaks-widget-private.h |  30 ++++++
 src/libide/tweaks/ide-tweaks-widget.c         | 146 ++++++++++++++++++++++++++
 src/libide/tweaks/ide-tweaks-widget.h         |  42 ++++++++
 4 files changed, 240 insertions(+)
---
diff --git a/src/libide/tweaks/demo/011-visual-style.ui b/src/libide/tweaks/demo/011-visual-style.ui
new file mode 100644
index 000000000..e9cb522de
--- /dev/null
+++ b/src/libide/tweaks/demo/011-visual-style.ui
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <template class="IdeTweaks">
+    <child internal-child="visual_section">
+      <object class="IdeTweaksSection">
+        <child internal-child="appearance_page">
+          <object class="IdeTweaksPage">
+            <child internal-child="appearance_page_style_group">
+              <object class="IdeTweaksGroup">
+                <child>
+                  <object class="IdeTweaksWidget">
+                    <property name="widget-type">GtkLabel</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>
\ No newline at end of file
diff --git a/src/libide/tweaks/ide-tweaks-widget-private.h b/src/libide/tweaks/ide-tweaks-widget-private.h
new file mode 100644
index 000000000..f9be23f73
--- /dev/null
+++ b/src/libide/tweaks/ide-tweaks-widget-private.h
@@ -0,0 +1,30 @@
+/*
+ * ide-tweaks-widget-private.h
+ *
+ * Copyright 2022 Christian Hergert <chergert redhat com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include "ide-tweaks-widget.h"
+
+G_BEGIN_DECLS
+
+GtkWidget *_ide_tweaks_widget_inflate (IdeTweaksWidget *self);
+
+G_END_DECLS
diff --git a/src/libide/tweaks/ide-tweaks-widget.c b/src/libide/tweaks/ide-tweaks-widget.c
new file mode 100644
index 000000000..4fdc61704
--- /dev/null
+++ b/src/libide/tweaks/ide-tweaks-widget.c
@@ -0,0 +1,146 @@
+/* ide-tweaks-widget.c
+ *
+ * Copyright 2022 Christian Hergert <chergert redhat com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#define G_LOG_DOMAIN "ide-tweaks-widget"
+
+#include "config.h"
+
+#include "ide-tweaks-widget-private.h"
+
+struct _IdeTweaksWidget
+{
+  IdeTweaksItem parent_instance;
+  GType widget_type;
+};
+
+G_DEFINE_FINAL_TYPE (IdeTweaksWidget, ide_tweaks_widget, IDE_TYPE_TWEAKS_ITEM)
+
+enum {
+  PROP_0,
+  PROP_WIDGET_TYPE,
+  N_PROPS
+};
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+ide_tweaks_widget_dispose (GObject *object)
+{
+  IdeTweaksWidget *self = (IdeTweaksWidget *)object;
+
+  G_OBJECT_CLASS (ide_tweaks_widget_parent_class)->dispose (object);
+}
+
+static void
+ide_tweaks_widget_get_property (GObject    *object,
+                                guint       prop_id,
+                                GValue     *value,
+                                GParamSpec *pspec)
+{
+  IdeTweaksWidget *self = IDE_TWEAKS_WIDGET (object);
+
+  switch (prop_id)
+    {
+    case PROP_WIDGET_TYPE:
+      g_value_set_gtype (value, ide_tweaks_widget_get_widget_type (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+ide_tweaks_widget_set_property (GObject      *object,
+                                guint         prop_id,
+                                const GValue *value,
+                                GParamSpec   *pspec)
+{
+  IdeTweaksWidget *self = IDE_TWEAKS_WIDGET (object);
+
+  switch (prop_id)
+    {
+    case PROP_WIDGET_TYPE:
+      ide_tweaks_widget_set_widget_type (self, g_value_get_gtype (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+ide_tweaks_widget_class_init (IdeTweaksWidgetClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose = ide_tweaks_widget_dispose;
+  object_class->get_property = ide_tweaks_widget_get_property;
+  object_class->set_property = ide_tweaks_widget_set_property;
+
+  properties [PROP_WIDGET_TYPE] =
+    g_param_spec_gtype ("widget-type", NULL, NULL,
+                        GTK_TYPE_WIDGET,
+                         (G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+ide_tweaks_widget_init (IdeTweaksWidget *self)
+{
+}
+
+IdeTweaksWidget *
+ide_tweaks_widget_new (void)
+{
+  return g_object_new (IDE_TYPE_TWEAKS_WIDGET, NULL);
+}
+
+GType
+ide_tweaks_widget_get_widget_type (IdeTweaksWidget *self)
+{
+  g_return_val_if_fail (IDE_IS_TWEAKS_WIDGET (self), G_TYPE_INVALID);
+
+  return self->widget_type;
+}
+
+void
+ide_tweaks_widget_set_widget_type (IdeTweaksWidget *self,
+                                   GType            widget_type)
+{
+  g_return_if_fail (IDE_IS_TWEAKS_WIDGET (self));
+  g_return_if_fail (!widget_type || g_type_is_a (widget_type, GTK_TYPE_WIDGET));
+
+  if (self->widget_type != widget_type)
+    {
+      self->widget_type = widget_type;
+      g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_WIDGET_TYPE]);
+    }
+}
+
+GtkWidget *
+_ide_tweaks_widget_inflate (IdeTweaksWidget *self)
+{
+  g_return_val_if_fail (IDE_IS_TWEAKS_WIDGET (self), NULL);
+  g_return_val_if_fail (self->widget_type != G_TYPE_INVALID, NULL);
+
+  return g_object_new (self->widget_type, NULL);
+}
diff --git a/src/libide/tweaks/ide-tweaks-widget.h b/src/libide/tweaks/ide-tweaks-widget.h
new file mode 100644
index 000000000..e825b494b
--- /dev/null
+++ b/src/libide/tweaks/ide-tweaks-widget.h
@@ -0,0 +1,42 @@
+/* ide-tweaks-widget.h
+ *
+ * Copyright 2022 Christian Hergert <chergert redhat com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include <gtk/gtk.h>
+
+#include "ide-tweaks-item.h"
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_TWEAKS_WIDGET (ide_tweaks_widget_get_type())
+
+IDE_AVAILABLE_IN_ALL
+G_DECLARE_FINAL_TYPE (IdeTweaksWidget, ide_tweaks_widget, IDE, TWEAKS_WIDGET, IdeTweaksItem)
+
+IDE_AVAILABLE_IN_ALL
+IdeTweaksWidget *ide_tweaks_widget_new             (void);
+IDE_AVAILABLE_IN_ALL
+GType            ide_tweaks_widget_get_widget_type (IdeTweaksWidget *self);
+IDE_AVAILABLE_IN_ALL
+void             ide_tweaks_widget_set_widget_type (IdeTweaksWidget *self,
+                                                    GType            widget_type);
+
+G_END_DECLS