[gnome-builder/wip/gtk4-port: 206/736] plugins/messages: start porting to GTK 4

[Christian Hergert <chergert src gnome org>]

commit 091c9198a4ab28a350784366562a9d168b295b21
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 30 02:10:10 2022 -0700

    plugins/messages: start porting to GTK 4

 src/plugins/messages/gbp-messages-panel.c          | 31 ++++++----------------
 src/plugins/messages/gbp-messages-panel.ui         |  2 +-
 .../messages/gbp-messages-workspace-addin.c        | 23 ++++++----------
 3 files changed, 17 insertions(+), 39 deletions(-)
---
diff --git a/src/plugins/messages/gbp-messages-panel.c b/src/plugins/messages/gbp-messages-panel.c
index 414d53222..e0676e5a9 100644
--- a/src/plugins/messages/gbp-messages-panel.c
+++ b/src/plugins/messages/gbp-messages-panel.c
@@ -21,15 +21,15 @@
 #define G_LOG_DOMAIN "gbp-messages-panel"
 
 #include <libide-gui.h>
-#include <libide-terminal.h>
+#include <vte/vte.h>
 
 #include "gbp-messages-panel.h"
 
 struct _GbpMessagesPanel
 {
-  IePane          parent_instance;
+  IdePane         parent_instance;
   IdeSignalGroup *signals;
-  IdeTerminal    *terminal;
+  VteTerminal    *terminal;
 };
 
 G_DEFINE_FINAL_TYPE (GbpMessagesPanel, gbp_messages_panel, IDE_TYPE_PANE)
@@ -87,15 +87,6 @@ gbp_messages_panel_log_cb (GbpMessagesPanel *self,
   gtk_widget_show (GTK_WIDGET (self));
 }
 
-#if 0
-static gboolean
-do_log (gpointer data)
-{
-  ide_context_warning (data, "(some log message here)\nfoo\nbaz");
-  return G_SOURCE_CONTINUE;
-}
-#endif
-
 static void
 gbp_messages_panel_set_context (GtkWidget  *widget,
                                 IdeContext *context)
@@ -106,31 +97,25 @@ gbp_messages_panel_set_context (GtkWidget  *widget,
   g_assert (!context || IDE_IS_CONTEXT (context));
 
   ide_signal_group_set_target (self->signals, context);
-
-#if 0
-  if (context != NULL)
-    g_timeout_add (1000, do_log, context);
-
-  g_assert (g_strcmp0 (ensure_crlf ("\nfoo\r\nbar\nbaz\r\r\n"), "\r\nfoo\r\nbar\r\nbaz\r\r\n") == 0);
-#endif
 }
 
 static void
-gbp_messages_panel_destroy (GtkWidget *widget)
+gbp_messages_panel_dispose (GObject *object)
 {
-  GbpMessagesPanel *self = (GbpMessagesPanel *)widget;
+  GbpMessagesPanel *self = (GbpMessagesPanel *)object;
 
   g_clear_object (&self->signals);
 
-  GTK_WIDGET_CLASS (gbp_messages_panel_parent_class)->destroy (widget);
+  G_OBJECT_CLASS (gbp_messages_panel_parent_class)->dispose (object);
 }
 
 static void
 gbp_messages_panel_class_init (GbpMessagesPanelClass *klass)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
-  widget_class->destroy = gbp_messages_panel_destroy;
+  object_class->dispose = gbp_messages_panel_dispose;
 
   gtk_widget_class_set_template_from_resource (widget_class, "/plugins/messages/gbp-messages-panel.ui");
   gtk_widget_class_bind_template_child (widget_class, GbpMessagesPanel, terminal);
diff --git a/src/plugins/messages/gbp-messages-panel.ui b/src/plugins/messages/gbp-messages-panel.ui
index 52fb27b81..3bea6545e 100644
--- a/src/plugins/messages/gbp-messages-panel.ui
+++ b/src/plugins/messages/gbp-messages-panel.ui
@@ -7,7 +7,7 @@
       <object class="GtkScrolledWindow">
         <property name="hexpand">true</property>
         <child>
-          <object class="IdeTerminal" id="terminal">
+          <object class="VteTerminal" id="terminal">
             <property name="hexpand">true</property>
             <property name="scroll-on-output">false</property>
           </object>
diff --git a/src/plugins/messages/gbp-messages-workspace-addin.c 
b/src/plugins/messages/gbp-messages-workspace-addin.c
index 196690344..8785e82f8 100644
--- a/src/plugins/messages/gbp-messages-workspace-addin.c
+++ b/src/plugins/messages/gbp-messages-workspace-addin.c
@@ -36,22 +36,16 @@ gbp_messages_workspace_addin_load (IdeWorkspaceAddin *addin,
                                    IdeWorkspace      *workspace)
 {
   GbpMessagesWorkspaceAddin *self = (GbpMessagesWorkspaceAddin *)addin;
-  GtkWidget *utilities;
+  g_autoptr(IdePanelPosition) position = NULL;
 
   g_assert (GBP_IS_MESSAGES_WORKSPACE_ADDIN (self));
   g_assert (IDE_IS_WORKSPACE (workspace));
 
-#if 0
-  utilities = ide_workspace_surface_get_utilities (workspace);
+  position = ide_panel_position_new ();
+  ide_panel_position_set_edge (position, PANEL_DOCK_POSITION_BOTTOM);
 
-  /* hidden by default */
   self->panel = g_object_new (GBP_TYPE_MESSAGES_PANEL, NULL);
-  g_signal_connect (self->panel,
-                    "destroy",
-                    G_CALLBACK (gtk_widget_destroyed),
-                    &self->panel);
-  gtk_container_add (GTK_CONTAINER (utilities), GTK_WIDGET (self->panel));
-#endif
+  ide_workspace_add_pane (workspace, IDE_PANE (self->panel), position);
 }
 
 static void
@@ -59,16 +53,15 @@ gbp_messages_workspace_addin_unload (IdeWorkspaceAddin *addin,
                                      IdeWorkspace      *workspace)
 {
   GbpMessagesWorkspaceAddin *self = (GbpMessagesWorkspaceAddin *)addin;
+  GtkWidget *frame;
 
   g_assert (GBP_IS_MESSAGES_WORKSPACE_ADDIN (self));
   g_assert (IDE_IS_WORKSPACE (workspace));
 
-#if 0
-  if (self->panel != NULL)
-    gtk_widget_destroy (GTK_WIDGET (self->panel));
-#endif
+  frame = gtk_widget_get_ancestor (GTK_WIDGET (self->panel), PANEL_TYPE_FRAME);
+  panel_frame_remove (PANEL_FRAME (frame), PANEL_WIDGET (self->panel));
 
-  g_assert (self->panel == NULL);
+  self->panel = NULL;
 }
 
 static void