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[gnome-panel] libpanel-applet-private: add GpAppletFrame

commit 77150e2b9f0bd417881e30b78b007a5146327952
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Oct 18 02:25:01 2016 +0300

    libpanel-applet-private: add GpAppletFrame

 gnome-panel/libpanel-applet-private/Makefile.am    |    3 +
 .../libpanel-applet-private/gp-applet-frame.c      |  295 ++++++++++++++++++++
 .../libpanel-applet-private/gp-applet-frame.h      |   35 +++
 po/POTFILES.in                                     |    1 +
 4 files changed, 334 insertions(+), 0 deletions(-)
---
diff --git a/gnome-panel/libpanel-applet-private/Makefile.am b/gnome-panel/libpanel-applet-private/Makefile.am
index b4f3095..ff3f238 100644
--- a/gnome-panel/libpanel-applet-private/Makefile.am
+++ b/gnome-panel/libpanel-applet-private/Makefile.am
@@ -8,6 +8,7 @@ libpanel_applet_private_la_CFLAGS = \
        -DDATADIR=\""$(datadir)"\" \
        -DPANEL_APPLETS_DIR=\"$(appletsdir)\" \
        -I$(srcdir) \
+       -I$(top_srcdir) \
        -I$(top_srcdir)/gnome-panel \
        -I$(top_builddir)/gnome-panel \
        -I$(top_builddir)/gnome-panel/libpanel-applet-private \
@@ -18,6 +19,8 @@ libpanel_applet_private_la_CFLAGS = \
        $(NULL)
 
 libpanel_applet_private_la_SOURCES =   \
+       gp-applet-frame.c \
+       gp-applet-frame.h \
        panel-applets-manager-dbus.c    \
        panel-applets-manager-dbus.h    \
        panel-applet-container.c        \
diff --git a/gnome-panel/libpanel-applet-private/gp-applet-frame.c 
b/gnome-panel/libpanel-applet-private/gp-applet-frame.c
new file mode 100644
index 0000000..5c647fc
--- /dev/null
+++ b/gnome-panel/libpanel-applet-private/gp-applet-frame.c
@@ -0,0 +1,295 @@
+/*
+ * Copyright (C) 2016 Alberts Muktupāvels
+ *
+ * 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 2 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/>.
+ */
+
+#include "config.h"
+
+#include <glib/gi18n.h>
+#include <string.h>
+
+#include "gp-applet-frame.h"
+#include "panel-layout.h"
+
+struct _GpAppletFrame
+{
+  PanelAppletFrame  parent;
+  GpApplet         *applet;
+};
+
+G_DEFINE_TYPE (GpAppletFrame, gp_applet_frame, PANEL_TYPE_APPLET_FRAME)
+
+static void
+popup_menu (GtkMenu  *menu,
+            GpApplet *applet)
+{
+  GtkOrientation orientation;
+  GtkPositionType position;
+  GdkGravity widget_anchor;
+  GdkGravity menu_anchor;
+
+  orientation = gp_applet_get_orientation (applet);
+  position = gp_applet_get_position (applet);
+
+  widget_anchor = GDK_GRAVITY_SOUTH_WEST;
+  menu_anchor = GDK_GRAVITY_NORTH_WEST;
+
+  if (orientation == GTK_ORIENTATION_HORIZONTAL)
+    {
+      if (position == GTK_POS_TOP)
+        {
+          widget_anchor = GDK_GRAVITY_SOUTH_WEST;
+          menu_anchor = GDK_GRAVITY_NORTH_WEST;
+        }
+      else if (position == GTK_POS_BOTTOM)
+        {
+          widget_anchor = GDK_GRAVITY_NORTH_WEST;
+          menu_anchor = GDK_GRAVITY_SOUTH_WEST;
+        }
+      else
+        g_assert_not_reached ();
+    }
+  else
+    {
+      if (position == GTK_POS_LEFT)
+        {
+          widget_anchor = GDK_GRAVITY_NORTH_EAST;
+          menu_anchor = GDK_GRAVITY_NORTH_WEST;
+        }
+      else if (position == GTK_POS_RIGHT)
+        {
+          widget_anchor = GDK_GRAVITY_NORTH_WEST;
+          menu_anchor = GDK_GRAVITY_NORTH_EAST;
+        }
+      else
+        g_assert_not_reached ();
+    }
+
+  gtk_menu_attach_to_widget (menu, GTK_WIDGET (applet), NULL);
+  gtk_menu_popup_at_widget (menu, GTK_WIDGET (applet),
+                            widget_anchor, menu_anchor, NULL);
+}
+
+static void
+move_cb (GtkMenuItem      *menuitem,
+         PanelAppletFrame *applet_frame)
+{
+  _panel_applet_frame_applet_move (applet_frame);
+}
+
+static void
+remove_cb (GtkMenuItem      *menuitem,
+           PanelAppletFrame *applet_frame)
+{
+  _panel_applet_frame_applet_remove (applet_frame);
+}
+
+static void
+update_flags (PanelAppletFrame *applet_frame)
+{
+  GpAppletFrame *frame;
+  GpAppletFlags flags;
+  gboolean major;
+  gboolean minor;
+  gboolean has_handle;
+
+  frame = GP_APPLET_FRAME (applet_frame);
+  flags = gp_applet_get_flags (frame->applet);
+
+  major = (flags & GP_APPLET_FLAGS_EXPAND_MAJOR) != 0;
+  minor = (flags & GP_APPLET_FLAGS_EXPAND_MINOR) != 0;
+  has_handle = (flags & GP_APPLET_FLAGS_HAS_HANDLE) != 0;
+
+  _panel_applet_frame_update_flags (applet_frame, major, minor, has_handle);
+}
+
+static void
+update_size_hints (PanelAppletFrame *applet_frame)
+{
+  GpAppletFrame *frame;
+  GArray *array;
+  gint *size_hints;
+  guint i;
+
+  frame = GP_APPLET_FRAME (applet_frame);
+  array = gp_applet_get_size_hints (frame->applet);
+
+  if (!array || array->len == 0)
+    {
+      _panel_applet_frame_update_size_hints (applet_frame, NULL, 0);
+      return;
+    }
+
+  size_hints = g_new (gint, array->len);
+
+  for (i = 0; i < array->len; i++)
+    {
+      size_hints[i] = g_array_index (array, gint, i);
+    }
+
+  _panel_applet_frame_update_size_hints (applet_frame, size_hints, array->len);
+}
+
+static void
+flags_changed_cb (GObject       *object,
+                  GParamSpec    *pspec,
+                  GpAppletFrame *frame)
+{
+  update_flags (PANEL_APPLET_FRAME (frame));
+}
+
+static void
+size_hints_changed_cb (GObject       *object,
+                       GParamSpec    *pspec,
+                       GpAppletFrame *frame)
+{
+  update_size_hints (PANEL_APPLET_FRAME (frame));
+}
+
+static void
+gp_applet_frame_init_properties (PanelAppletFrame *applet_frame)
+{
+  update_flags (applet_frame);
+  update_size_hints (applet_frame);
+}
+
+static void
+gp_applet_frame_sync_menu_state (PanelAppletFrame *applet_frame,
+                                 gboolean          movable,
+                                 gboolean          removable,
+                                 gboolean          locked_down)
+{
+  GpAppletFrame *frame;
+
+  frame = GP_APPLET_FRAME (applet_frame);
+
+  gp_applet_set_locked_down (frame->applet, locked_down);
+}
+
+static void
+gp_applet_frame_popup_menu (PanelAppletFrame *applet_frame,
+                            guint             button,
+                            guint32           timestamp)
+{
+  GpAppletFrame *frame;
+  GtkWidget *menu;
+
+  frame = GP_APPLET_FRAME (applet_frame);
+  menu = gp_applet_get_menu (frame->applet);
+
+  popup_menu (GTK_MENU (menu), frame->applet);
+}
+
+static void
+gp_applet_frame_popup_edit_menu (PanelAppletFrame *applet_frame,
+                                 guint             button,
+                                 guint32           timestamp)
+{
+  GpAppletFrame *frame;
+  GtkWidget *menu;
+  GtkWidget *menuitem;
+  gboolean movable;
+  gboolean removable;
+
+  frame = GP_APPLET_FRAME (applet_frame);
+  menu = gtk_menu_new ();
+
+  movable = _panel_applet_frame_get_can_move (applet_frame);
+  removable = panel_layout_is_writable ();
+
+  menuitem = gtk_menu_item_new_with_mnemonic (_("_Move"));
+  gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
+  gtk_widget_show (menuitem);
+
+  g_signal_connect (menuitem, "activate", G_CALLBACK (move_cb), applet_frame);
+  gtk_widget_set_sensitive (menuitem, movable);
+
+  menuitem = gtk_menu_item_new_with_mnemonic (_("_Remove From Panel"));
+  gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
+  gtk_widget_show (menuitem);
+
+  g_signal_connect (menuitem, "activate", G_CALLBACK (remove_cb), applet_frame);
+  gtk_widget_set_sensitive (menuitem, removable);
+
+  popup_menu (GTK_MENU (menu), frame->applet);
+}
+
+static void
+gp_applet_frame_change_orientation (PanelAppletFrame *applet_frame,
+                                    PanelOrientation  panel_orientation)
+{
+  GpAppletFrame *frame;
+  GtkOrientation orientation;
+  GtkPositionType position;
+
+  switch (panel_orientation)
+    {
+      case PANEL_ORIENTATION_BOTTOM:
+        orientation = GTK_ORIENTATION_HORIZONTAL;
+        position = GTK_POS_BOTTOM;
+        break;
+      case PANEL_ORIENTATION_LEFT:
+        orientation = GTK_ORIENTATION_VERTICAL;
+        position = GTK_POS_LEFT;
+        break;
+      case PANEL_ORIENTATION_RIGHT:
+        orientation = GTK_ORIENTATION_VERTICAL;
+        position = GTK_POS_RIGHT;
+        break;
+      case PANEL_ORIENTATION_TOP:
+        orientation = GTK_ORIENTATION_HORIZONTAL;
+        position = GTK_POS_TOP;
+      default:
+        break;
+    }
+
+  frame = GP_APPLET_FRAME (applet_frame);
+
+  gp_applet_set_orientation (frame->applet, orientation);
+  gp_applet_set_position (frame->applet, position);
+  gtk_widget_queue_resize (GTK_WIDGET (frame));
+}
+
+static void
+gp_applet_frame_class_init (GpAppletFrameClass *frame_class)
+{
+  PanelAppletFrameClass *applet_frame_class;
+
+  applet_frame_class = PANEL_APPLET_FRAME_CLASS (frame_class);
+
+  applet_frame_class->init_properties = gp_applet_frame_init_properties;
+  applet_frame_class->sync_menu_state = gp_applet_frame_sync_menu_state;
+  applet_frame_class->popup_menu = gp_applet_frame_popup_menu;
+  applet_frame_class->popup_edit_menu = gp_applet_frame_popup_edit_menu;
+  applet_frame_class->change_orientation = gp_applet_frame_change_orientation;
+}
+
+static void
+gp_applet_frame_init (GpAppletFrame *frame)
+{
+}
+
+void
+gp_applet_frame_set_applet (GpAppletFrame *frame,
+                            GpApplet      *applet)
+{
+  frame->applet = applet;
+
+  g_signal_connect (applet, "notify::flags",
+                    G_CALLBACK (flags_changed_cb), frame);
+
+  g_signal_connect (applet, "notify::size-hints",
+                    G_CALLBACK (size_hints_changed_cb), frame);
+}
diff --git a/gnome-panel/libpanel-applet-private/gp-applet-frame.h 
b/gnome-panel/libpanel-applet-private/gp-applet-frame.h
new file mode 100644
index 0000000..41a3e98
--- /dev/null
+++ b/gnome-panel/libpanel-applet-private/gp-applet-frame.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016 Alberts Muktupāvels
+ *
+ * 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 2 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/>.
+ */
+
+#ifndef GP_APPLET_FRAME_H
+#define GP_APPLET_FRAME_H
+
+#include <libgnome-panel/gp-applet-private.h>
+#include <panel-applet-frame.h>
+
+G_BEGIN_DECLS
+
+#define GP_TYPE_APPLET_FRAME gp_applet_frame_get_type ()
+G_DECLARE_FINAL_TYPE (GpAppletFrame, gp_applet_frame,
+                      GP, APPLET_FRAME, PanelAppletFrame)
+
+void gp_applet_frame_set_applet (GpAppletFrame *frame,
+                                 GpApplet      *applet);
+
+G_END_DECLS
+
+#endif
diff --git a/po/POTFILES.in b/po/POTFILES.in
index cbf63cb..e4a6586 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -45,6 +45,7 @@ gnome-panel/gp-arrow-button.c
 gnome-panel/gp-properties-dialog.c
 [type: gettext/glade]gnome-panel/gp-properties-dialog.ui
 gnome-panel/launcher.c
+gnome-panel/libpanel-applet-private/gp-applet-frame.c
 gnome-panel/libpanel-util/panel-error.c
 gnome-panel/libpanel-util/panel-icon-chooser.c
 gnome-panel/libpanel-util/panel-launch.c
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