[gnome-builder/wip/gtk4-port: 448/736] libide/gtk: add IdeFileChooserEntry




commit 53212786708f2fc3f41404b39ff23b9409a4e3e1
Author: Christian Hergert <chergert redhat com>
Date:   Wed Apr 6 16:54:16 2022 -0700

    libide/gtk: add IdeFileChooserEntry
    
    This is needed for the clone panel. Designs later on may change this
    significantly, but this is to get us a basic port for now.

 src/libide/gtk/ide-file-chooser-entry.c | 560 ++++++++++++++++++++++++++++++++
 src/libide/gtk/ide-file-chooser-entry.h |  47 +++
 src/libide/gtk/libide-gtk.h             |   1 +
 src/libide/gtk/meson.build              |   2 +
 4 files changed, 610 insertions(+)
---
diff --git a/src/libide/gtk/ide-file-chooser-entry.c b/src/libide/gtk/ide-file-chooser-entry.c
new file mode 100644
index 000000000..e6ca80e1f
--- /dev/null
+++ b/src/libide/gtk/ide-file-chooser-entry.c
@@ -0,0 +1,560 @@
+/* ide-file-chooser-entry.c
+ *
+ * Copyright (C) 2016-2022 Christian Hergert <chergert redhat com>
+ *
+ * This file 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 file 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 General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define G_LOG_DOMAIN "ide-file-chooser-entry"
+
+#include "config.h"
+
+#include <glib/gi18n.h>
+
+#include "ide-file-chooser-entry.h"
+
+struct _IdeFileChooserEntry
+{
+  GtkWidget parent_class;
+
+  GtkEntry  *entry;
+  GtkButton *button;
+
+  GtkFileChooserDialog *dialog;
+  GtkFileFilter *filter;
+  GFile *file;
+  gchar *title;
+
+  GtkFileChooserAction action;
+
+  guint local_only : 1;
+  guint create_folders : 1;
+  guint do_overwrite_confirmation : 1;
+  guint select_multiple : 1;
+  guint show_hidden : 1;
+};
+
+enum {
+  PROP_0,
+  PROP_ACTION,
+  PROP_CREATE_FOLDERS,
+  PROP_DO_OVERWRITE_CONFIRMATION,
+  PROP_FILE,
+  PROP_FILTER,
+  PROP_LOCAL_ONLY,
+  PROP_SHOW_HIDDEN,
+  PROP_MAX_WIDTH_CHARS,
+  PROP_TITLE,
+  N_PROPS
+};
+
+G_DEFINE_FINAL_TYPE (IdeFileChooserEntry, ide_file_chooser_entry, GTK_TYPE_WIDGET)
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+ide_file_chooser_entry_sync_to_dialog (IdeFileChooserEntry *self)
+{
+  GtkWidget *toplevel;
+  GtkWidget *default_widget;
+
+  g_assert (IDE_IS_FILE_CHOOSER_ENTRY (self));
+
+  if (self->dialog == NULL)
+    return;
+
+  g_object_set (self->dialog,
+                "action", self->action,
+                "create-folders", self->create_folders,
+                "do-overwrite-confirmation", self->do_overwrite_confirmation,
+                "local-only", self->local_only,
+                "show-hidden", self->show_hidden,
+                "filter", self->filter,
+                "title", self->title,
+                NULL);
+
+  if (self->file != NULL)
+    gtk_file_chooser_set_file (GTK_FILE_CHOOSER (self->dialog), self->file, NULL);
+
+  toplevel = GTK_WIDGET (gtk_widget_get_native (GTK_WIDGET (self)));
+
+  if (GTK_IS_WINDOW (toplevel))
+    gtk_window_set_transient_for (GTK_WINDOW (self->dialog), GTK_WINDOW (toplevel));
+
+  default_widget = gtk_dialog_get_widget_for_response (GTK_DIALOG (self->dialog),
+                                                       GTK_RESPONSE_OK);
+
+  switch (self->action)
+    {
+    case GTK_FILE_CHOOSER_ACTION_OPEN:
+      gtk_button_set_label (GTK_BUTTON (default_widget), _("Open"));
+      break;
+
+    case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
+      gtk_button_set_label (GTK_BUTTON (default_widget), _("Select"));
+      break;
+
+    case GTK_FILE_CHOOSER_ACTION_SAVE:
+      gtk_button_set_label (GTK_BUTTON (default_widget), _("Save"));
+      break;
+
+    default:
+      break;
+    }
+}
+
+static void
+ide_file_chooser_entry_dialog_response (IdeFileChooserEntry  *self,
+                                        gint                  response_id,
+                                        GtkFileChooserDialog *dialog)
+{
+  g_assert (IDE_IS_FILE_CHOOSER_ENTRY (self));
+  g_assert (GTK_IS_FILE_CHOOSER_DIALOG (dialog));
+
+  if (response_id == GTK_RESPONSE_OK)
+    {
+      g_autoptr(GFile) file = NULL;
+
+      file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
+      if (file != NULL)
+        ide_file_chooser_entry_set_file (self, file);
+    }
+
+  self->dialog = NULL;
+
+  gtk_window_destroy (GTK_WINDOW (dialog));
+}
+
+static void
+ide_file_chooser_entry_ensure_dialog (IdeFileChooserEntry *self)
+{
+  g_assert (IDE_IS_FILE_CHOOSER_ENTRY (self));
+
+  if (self->dialog == NULL)
+    {
+      self->dialog = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
+                                   "local-only", TRUE,
+                                   "modal", TRUE,
+                                   NULL);
+      g_signal_connect_object (self->dialog,
+                               "response",
+                               G_CALLBACK (ide_file_chooser_entry_dialog_response),
+                               self,
+                               G_CONNECT_SWAPPED);
+      gtk_dialog_add_buttons (GTK_DIALOG (self->dialog),
+                              _("Cancel"), GTK_RESPONSE_CANCEL,
+                              _("Open"), GTK_RESPONSE_OK,
+                              NULL);
+      gtk_dialog_set_default_response (GTK_DIALOG (self->dialog), GTK_RESPONSE_OK);
+    }
+
+  ide_file_chooser_entry_sync_to_dialog (self);
+}
+
+static void
+ide_file_chooser_entry_button_clicked (IdeFileChooserEntry *self,
+                                       GtkButton           *button)
+{
+  g_assert (IDE_IS_FILE_CHOOSER_ENTRY (self));
+  g_assert (GTK_IS_BUTTON (button));
+
+  ide_file_chooser_entry_ensure_dialog (self);
+  gtk_window_present (GTK_WINDOW (self->dialog));
+}
+
+static GFile *
+file_expand (const gchar *path)
+{
+  g_autofree gchar *relative = NULL;
+  g_autofree gchar *scheme = NULL;
+
+  if (path == NULL)
+    return g_file_new_for_path (g_get_home_dir ());
+
+  scheme = g_uri_parse_scheme (path);
+  if (scheme != NULL)
+    return g_file_new_for_uri (path);
+
+  if (g_path_is_absolute (path))
+    return g_file_new_for_path (path);
+
+  relative = g_build_filename (g_get_home_dir (),
+                               path[0] == '~' ? &path[1] : path,
+                               NULL);
+
+  return g_file_new_for_path (relative);
+}
+
+static void
+ide_file_chooser_entry_changed (IdeFileChooserEntry *self,
+                                GtkEntry            *entry)
+{
+  g_autoptr(GFile) file = NULL;
+
+  g_assert (IDE_IS_FILE_CHOOSER_ENTRY (self));
+  g_assert (GTK_IS_ENTRY (entry));
+
+  file = file_expand (gtk_editable_get_text (GTK_EDITABLE (entry)));
+
+  if (g_set_object (&self->file, file))
+    g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_FILE]);
+}
+
+static void
+ide_file_chooser_entry_dispose (GObject *object)
+{
+  IdeFileChooserEntry *self = (IdeFileChooserEntry *)object;
+
+  g_clear_pointer ((GtkWindow **)&self->dialog, gtk_window_destroy);
+
+  G_OBJECT_CLASS (ide_file_chooser_entry_parent_class)->dispose (object);
+}
+
+static void
+ide_file_chooser_entry_finalize (GObject *object)
+{
+  IdeFileChooserEntry *self = (IdeFileChooserEntry *)object;
+
+  g_clear_object (&self->file);
+  g_clear_object (&self->filter);
+  g_clear_pointer (&self->title, g_free);
+
+  G_OBJECT_CLASS (ide_file_chooser_entry_parent_class)->finalize (object);
+}
+
+static void
+ide_file_chooser_entry_get_property (GObject    *object,
+                                     guint       prop_id,
+                                     GValue     *value,
+                                     GParamSpec *pspec)
+{
+  IdeFileChooserEntry *self = IDE_FILE_CHOOSER_ENTRY (object);
+
+  switch (prop_id)
+    {
+    case PROP_ACTION:
+      g_value_set_enum (value, self->action);
+      break;
+
+    case PROP_LOCAL_ONLY:
+      g_value_set_boolean (value, self->local_only);
+      break;
+
+    case PROP_CREATE_FOLDERS:
+      g_value_set_boolean (value, self->create_folders);
+      break;
+
+    case PROP_DO_OVERWRITE_CONFIRMATION:
+      g_value_set_boolean (value, self->do_overwrite_confirmation);
+      break;
+
+    case PROP_SHOW_HIDDEN:
+      g_value_set_boolean (value, self->show_hidden);
+      break;
+
+    case PROP_FILTER:
+      g_value_set_object (value, self->filter);
+      break;
+
+    case PROP_FILE:
+      g_value_take_object (value, ide_file_chooser_entry_get_file (self));
+      break;
+
+    case PROP_MAX_WIDTH_CHARS:
+      g_value_set_int (value, gtk_editable_get_max_width_chars (GTK_EDITABLE (self->entry)));
+      break;
+
+    case PROP_TITLE:
+      g_value_set_string (value, self->title);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+ide_file_chooser_entry_set_property (GObject      *object,
+                                     guint         prop_id,
+                                     const GValue *value,
+                                     GParamSpec   *pspec)
+{
+  IdeFileChooserEntry *self = IDE_FILE_CHOOSER_ENTRY (object);
+
+  switch (prop_id)
+    {
+    case PROP_ACTION:
+      self->action = g_value_get_enum (value);
+      break;
+
+    case PROP_LOCAL_ONLY:
+      self->local_only = g_value_get_boolean (value);
+      break;
+
+    case PROP_CREATE_FOLDERS:
+      self->create_folders= g_value_get_boolean (value);
+      break;
+
+    case PROP_DO_OVERWRITE_CONFIRMATION:
+      self->do_overwrite_confirmation = g_value_get_boolean (value);
+      break;
+
+    case PROP_SHOW_HIDDEN:
+      self->show_hidden = g_value_get_boolean (value);
+      break;
+
+    case PROP_FILTER:
+      g_clear_object (&self->filter);
+      self->filter = g_value_dup_object (value);
+      break;
+
+    case PROP_FILE:
+      ide_file_chooser_entry_set_file (self, g_value_get_object (value));
+      break;
+
+    case PROP_MAX_WIDTH_CHARS:
+      gtk_editable_set_max_width_chars (GTK_EDITABLE (self->entry), g_value_get_int (value));
+      break;
+
+    case PROP_TITLE:
+      g_free (self->title);
+      self->title = g_value_dup_string (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+
+  ide_file_chooser_entry_sync_to_dialog (self);
+}
+
+static void
+ide_file_chooser_entry_class_init (IdeFileChooserEntryClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  object_class->dispose = ide_file_chooser_entry_dispose;
+  object_class->finalize = ide_file_chooser_entry_finalize;
+  object_class->get_property = ide_file_chooser_entry_get_property;
+  object_class->set_property = ide_file_chooser_entry_set_property;
+
+  properties [PROP_ACTION] =
+    g_param_spec_enum ("action",
+                       NULL,
+                       NULL,
+                       GTK_TYPE_FILE_CHOOSER_ACTION,
+                       GTK_FILE_CHOOSER_ACTION_OPEN,
+                       (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_CREATE_FOLDERS] =
+    g_param_spec_boolean ("create-folders",
+                          NULL,
+                          NULL,
+                          FALSE,
+                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_DO_OVERWRITE_CONFIRMATION] =
+    g_param_spec_boolean ("do-overwrite-confirmation",
+                          NULL,
+                          NULL,
+                          FALSE,
+                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_LOCAL_ONLY] =
+    g_param_spec_boolean ("local-only",
+                          NULL,
+                          NULL,
+                          FALSE,
+                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_SHOW_HIDDEN] =
+    g_param_spec_boolean ("show-hidden",
+                          NULL,
+                          NULL,
+                          FALSE,
+                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_FILTER] =
+    g_param_spec_object ("filter",
+                         NULL,
+                         NULL,
+                         GTK_TYPE_FILE_FILTER,
+                         (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_FILE] =
+    g_param_spec_object ("file",
+                         NULL,
+                         NULL,
+                         G_TYPE_FILE,
+                         (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_MAX_WIDTH_CHARS] =
+    g_param_spec_int ("max-width-chars",
+                      NULL,
+                      NULL,
+                      -1,
+                      G_MAXINT,
+                      -1,
+                      (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_TITLE] =
+    g_param_spec_string ("title",
+                         NULL,
+                         NULL,
+                         NULL,
+                         (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+
+  gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
+}
+
+static void
+ide_file_chooser_entry_init (IdeFileChooserEntry *self)
+{
+  GtkWidget *hbox;
+
+  hbox = g_object_new (GTK_TYPE_BOX,
+                       "orientation", GTK_ORIENTATION_HORIZONTAL,
+                       "visible", TRUE,
+                       NULL);
+  gtk_style_context_add_class (gtk_widget_get_style_context (hbox), "linked");
+  gtk_widget_set_parent (hbox, GTK_WIDGET (self));
+
+  self->entry = g_object_new (GTK_TYPE_ENTRY,
+                              "hexpand", TRUE,
+                              "visible", TRUE,
+                              NULL);
+  g_signal_connect_object (self->entry,
+                           "changed",
+                           G_CALLBACK (ide_file_chooser_entry_changed),
+                           self,
+                           G_CONNECT_SWAPPED);
+  gtk_box_append (GTK_BOX (hbox), GTK_WIDGET (self->entry));
+
+  self->button = g_object_new (GTK_TYPE_BUTTON,
+                               "label", _("Browse…"),
+                               "visible", TRUE,
+                               NULL);
+  g_signal_connect_object (self->button,
+                           "clicked",
+                           G_CALLBACK (ide_file_chooser_entry_button_clicked),
+                           self,
+                           G_CONNECT_SWAPPED);
+  gtk_box_append (GTK_BOX (hbox), GTK_WIDGET (self->button));
+}
+
+static gchar *
+file_collapse (GFile *file)
+{
+  gchar *path = NULL;
+
+  g_assert (!file || G_IS_FILE (file));
+
+  if (file == NULL)
+    return g_strdup ("");
+
+  if (!g_file_is_native (file))
+    return g_file_get_uri (file);
+
+  path = g_file_get_path (file);
+
+  if (path == NULL)
+    return g_strdup ("");
+
+  if (!g_path_is_absolute (path))
+    {
+      g_autofree gchar *freeme = path;
+
+      path = g_build_filename (g_get_home_dir (), freeme, NULL);
+    }
+
+  if (g_str_has_prefix (path, g_get_home_dir ()))
+    {
+      g_autofree gchar *freeme = path;
+
+      path = g_build_filename ("~",
+                               freeme + strlen (g_get_home_dir ()),
+                               NULL);
+    }
+
+  return path;
+}
+
+/**
+ * ide_file_chooser_entry_get_file:
+ *
+ * Returns the currently selected file or %NULL if there is no selection.
+ *
+ * Returns: (nullable) (transfer full): A #GFile or %NULL.
+ */
+GFile *
+ide_file_chooser_entry_get_file (IdeFileChooserEntry *self)
+{
+  g_return_val_if_fail (IDE_IS_FILE_CHOOSER_ENTRY (self), NULL);
+
+  return self->file ? g_object_ref (self->file) : NULL;
+}
+
+void
+ide_file_chooser_entry_set_file (IdeFileChooserEntry *self,
+                                 GFile               *file)
+{
+  g_autofree gchar *collapsed = NULL;
+
+  g_return_if_fail (IDE_IS_FILE_CHOOSER_ENTRY (self));
+
+  if (self->file == file || (self->file && file && g_file_equal (self->file, file)))
+    return;
+
+  if (file != NULL)
+    g_object_ref (file);
+
+  g_clear_object (&self->file);
+  self->file = file;
+
+  collapsed = file_collapse (file);
+  gtk_editable_set_text (GTK_EDITABLE (self->entry), collapsed);
+
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_FILE]);
+}
+
+GtkWidget *
+ide_file_chooser_entry_new (const gchar          *title,
+                            GtkFileChooserAction  action)
+{
+  return g_object_new (IDE_TYPE_FILE_CHOOSER_ENTRY,
+                       "title", title,
+                       "action", action,
+                       NULL);
+}
+
+/**
+ * ide_file_chooser_entry_get_entry:
+ * @self: a #IdeFileChooserEntry
+ *
+ * Gets the entry used by the #GtkEntry.
+ *
+ * Returns: (transfer none): a #GtkEntry
+ *
+ * Since: 3.32
+ */
+GtkEntry *
+ide_file_chooser_entry_get_entry (IdeFileChooserEntry *self)
+{
+  g_return_val_if_fail (IDE_IS_FILE_CHOOSER_ENTRY (self), NULL);
+
+  return self->entry;
+}
diff --git a/src/libide/gtk/ide-file-chooser-entry.h b/src/libide/gtk/ide-file-chooser-entry.h
new file mode 100644
index 000000000..46ef2fed1
--- /dev/null
+++ b/src/libide/gtk/ide-file-chooser-entry.h
@@ -0,0 +1,47 @@
+/* ide-file-chooser-entry.h
+ *
+ * Copyright (C) 2016-2022 Christian Hergert <chergert redhat com>
+ *
+ * This file 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 file 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 General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#if !defined (IDE_GTK_INSIDE) && !defined (IDE_GTK_COMPILATION)
+# error "Only <libide-gtk.h> can be included directly."
+#endif
+
+#include <gtk/gtk.h>
+
+#include <libide-core.h>
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_FILE_CHOOSER_ENTRY (ide_file_chooser_entry_get_type())
+
+IDE_AVAILABLE_IN_ALL
+G_DECLARE_FINAL_TYPE (IdeFileChooserEntry, ide_file_chooser_entry, IDE, FILE_CHOOSER_ENTRY, GtkWidget)
+
+IDE_AVAILABLE_IN_ALL
+GtkWidget           *ide_file_chooser_entry_new       (const gchar          *title,
+                                                       GtkFileChooserAction  action);
+IDE_AVAILABLE_IN_ALL
+GFile               *ide_file_chooser_entry_get_file  (IdeFileChooserEntry  *self);
+IDE_AVAILABLE_IN_ALL
+void                 ide_file_chooser_entry_set_file  (IdeFileChooserEntry  *self,
+                                                       GFile                *file);
+IDE_AVAILABLE_IN_ALL
+GtkEntry            *ide_file_chooser_entry_get_entry (IdeFileChooserEntry  *self);
+
+G_END_DECLS
diff --git a/src/libide/gtk/libide-gtk.h b/src/libide/gtk/libide-gtk.h
index 09ca16481..723010f32 100644
--- a/src/libide/gtk/libide-gtk.h
+++ b/src/libide/gtk/libide-gtk.h
@@ -25,6 +25,7 @@
 # include "ide-cell-renderer-fancy.h"
 # include "ide-entry-popover.h"
 # include "ide-fancy-tree-view.h"
+# include "ide-file-chooser-entry.h"
 # include "ide-file-manager.h"
 # include "ide-font-description.h"
 # include "ide-gtk.h"
diff --git a/src/libide/gtk/meson.build b/src/libide/gtk/meson.build
index 36476a41f..f54592733 100644
--- a/src/libide/gtk/meson.build
+++ b/src/libide/gtk/meson.build
@@ -11,6 +11,7 @@ libide_gtk_public_headers = [
   'ide-cell-renderer-fancy.h',
   'ide-entry-popover.h',
   'ide-fancy-tree-view.h',
+  'ide-file-chooser-entry.h',
   'ide-file-manager.h',
   'ide-font-description.h',
   'ide-gtk.h',
@@ -36,6 +37,7 @@ libide_gtk_public_sources = [
   'ide-cell-renderer-fancy.c',
   'ide-entry-popover.c',
   'ide-fancy-tree-view.c',
+  'ide-file-chooser-entry.c',
   'ide-file-manager.c',
   'ide-font-description.c',
   'ide-gtk.c',


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