Import Upstream version 43.0upstream/latest

1 files changed, 602 insertions, 0 deletions

diff --git a/src/gui/gtd-edit-pane.c b/src/gui/gtd-edit-pane.c
new file mode 100644
index 0000000..1de17ac
--- /dev/null
+++ b/src/gui/gtd-edit-pane.c
@@ -0,0 +1,602 @@
+/* gtd-edit-pane.c
+ *
+ * Copyright (C) 2015-2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
+ * Copyright (C) 2022 Jamie Murphy <hello@itsjamie.dev>
+ *
+ * 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/>.
+ */
+
+#define G_LOG_DOMAIN "GtdEditPane"
+
+#include "gtd-debug.h"
+#include "gtd-edit-pane.h"
+#include "gtd-manager.h"
+#include "gtd-markdown-renderer.h"
+#include "gtd-task.h"
+#include "gtd-task-list.h"
+
+#include <glib/gi18n.h>
+
+struct _GtdEditPane
+{
+  GtkBox             parent;
+
+  GtkCalendar       *calendar;
+  GtkMenuButton     *date_button;
+  GtkTextView       *notes_textview;
+
+  GCancellable      *cancellable;
+
+  /* task bindings */
+  GBinding          *notes_binding;
+
+  GtdTask           *task;
+  GDateTime         *new_date;
+};
+
+G_DEFINE_TYPE (GtdEditPane, gtd_edit_pane, GTK_TYPE_BOX)
+
+enum
+{
+  PROP_0,
+  PROP_TASK,
+  LAST_PROP
+};
+
+enum
+{
+  CHANGED,
+  REMOVE_TASK,
+  NUM_SIGNALS
+};
+
+
+static guint signals[NUM_SIGNALS] = { 0, };
+
+
+static void          on_date_selected_cb                         (GtkCalendar        *calendar,
+                                                                  GtdEditPane        *self);
+
+/*
+ * Auxiliary methods
+ */
+
+static void
+update_date_widgets (GtdEditPane *self, GDateTime *dt)
+{
+  gchar *text;
+
+  g_return_if_fail (GTD_IS_EDIT_PANE (self));
+
+  text = dt ? g_date_time_format (dt, "%x") : NULL;
+
+  g_signal_handlers_block_by_func (self->calendar, on_date_selected_cb, self);
+
+  if (!dt)
+    dt = g_date_time_new_now_local ();
+
+  gtk_calendar_select_day (self->calendar, dt);
+
+  g_signal_handlers_unblock_by_func (self->calendar, on_date_selected_cb, self);
+
+  gtk_menu_button_set_label (self->date_button, text ? text : _("No date set"));
+
+  g_free (text);
+}
+
+
+/*
+ * Callbacks
+ */
+
+static void
+on_date_popover_closed_cb (GtdEditPane *self)
+{
+  g_autofree gchar *text = NULL;
+
+  if (!self->new_date || !self->task)
+    return;
+
+  text = g_date_time_format (self->new_date, "%x");
+  gtk_menu_button_set_label (self->date_button, text);
+
+  g_signal_emit (self, signals[CHANGED], 0);
+}
+
+static void
+on_date_selected_cb (GtkCalendar *calendar,
+                     GtdEditPane *self)
+{
+  g_autofree gchar *text = NULL;
+
+  GTD_ENTRY;
+
+  g_clear_pointer (&self->new_date, g_date_time_unref);
+  self->new_date = gtk_calendar_get_date (calendar);
+  text = g_date_time_format (self->new_date, "%x");
+
+  gtk_menu_button_set_label (self->date_button, text);
+
+  g_signal_emit (self, signals[CHANGED], 0);
+
+  GTD_EXIT;
+}
+
+static void
+on_delete_button_clicked_cb (GtkButton   *button,
+                             GtdEditPane *self)
+{
+  g_signal_emit (self, signals[REMOVE_TASK], 0, self->task);
+}
+
+static void
+on_no_date_button_clicked_cb (GtkButton   *button,
+                              GtdEditPane *self)
+{
+  GTD_ENTRY;
+
+  g_clear_pointer (&self->new_date, g_date_time_unref);
+  self->new_date = NULL;
+  gtk_calendar_clear_marks (GTK_CALENDAR (self->calendar));
+  update_date_widgets (self, self->new_date);
+
+  g_signal_emit (self, signals[CHANGED], 0);
+
+  GTD_EXIT;
+}
+
+static void
+on_today_button_clicked_cb (GtkButton   *button,
+                            GtdEditPane *self)
+{
+  g_autoptr (GDateTime) new_dt = g_date_time_new_now_local ();
+
+  GTD_ENTRY;
+
+  self->new_date = g_date_time_ref (new_dt);
+  update_date_widgets (self, self->new_date);
+
+  g_signal_emit (self, signals[CHANGED], 0);
+
+  GTD_EXIT;
+}
+
+static void
+on_tomorrow_button_clicked_cb (GtkButton   *button,
+                               GtdEditPane *self)
+{
+  g_autoptr (GDateTime) current_date = NULL;
+  g_autoptr (GDateTime) new_dt = NULL;
+
+  GTD_ENTRY;
+
+  current_date = g_date_time_new_now_local ();
+  new_dt = g_date_time_add_days (current_date, 1);
+
+  self->new_date = g_date_time_ref (new_dt);
+  update_date_widgets (self, self->new_date);
+
+  g_signal_emit (self, signals[CHANGED], 0);
+
+  GTD_EXIT;
+}
+
+static void
+on_priority_changed_cb (GtkComboBox *combobox,
+                        GtdEditPane *self)
+{
+  GTD_ENTRY;
+
+  g_signal_emit (self, signals[CHANGED], 0);
+
+  GTD_EXIT;
+}
+
+static void
+on_text_buffer_changed_cb (GtkTextBuffer *buffer,
+                           GParamSpec    *pspec,
+                           GtdEditPane   *self)
+{
+  GTD_ENTRY;
+
+  g_signal_emit (self, signals[CHANGED], 0);
+
+  GTD_EXIT;
+}
+
+static void
+on_hyperlink_hover_cb (GtkEventControllerMotion *controller,
+                       gdouble                   x,
+                       gdouble                   y,
+                       GtdEditPane              *self)
+{
+  GtkTextView *text_view;
+  GtkTextIter iter;
+  gboolean hovering;
+  gint ex, ey;
+
+  text_view = GTK_TEXT_VIEW (gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (controller)));
+
+  gtk_text_view_window_to_buffer_coords (text_view, GTK_TEXT_WINDOW_WIDGET, x, y, &ex, &ey);
+
+  hovering = FALSE;
+
+  if (gtk_text_view_get_iter_at_location (text_view, &iter, ex, ey))
+    {
+      GSList *tags = NULL;
+      GSList *l = NULL;
+
+      tags = gtk_text_iter_get_tags (&iter);
+
+      for (l = tags; l; l = l->next)
+        {
+          g_autofree gchar *tag_name = NULL;
+          GtkTextTag *tag;
+
+          tag = l->data;
+
+          g_object_get (tag, "name", &tag_name, NULL);
+
+          if (g_strcmp0 (tag_name, "url") == 0)
+            {
+              hovering = TRUE;
+              break;
+            }
+        }
+    }
+
+  gtk_widget_set_cursor_from_name (GTK_WIDGET (text_view), hovering ? "pointer" : "text");
+}
+
+static void
+on_uri_shown_cb (GObject      *source,
+                 GAsyncResult *result,
+                 gpointer      user_data)
+{
+  g_autoptr (GError) error = NULL;
+
+  gtk_show_uri_full_finish (GTK_WINDOW (source), result, &error);
+
+  if (error)
+    g_warning ("%s", error->message);
+}
+
+static void
+on_hyperlink_clicked_cb (GtkGestureClick *gesture,
+                         gint             n_press,
+                         gdouble          x,
+                         gdouble          y,
+                         GtdEditPane     *self)
+{
+  GdkEventSequence *sequence;
+  GtkTextBuffer *buffer;
+  GtkTextView *text_view;
+  GtkTextIter end_iter;
+  GtkTextIter iter;
+  GSList *tags = NULL;
+  GSList *l = NULL;
+  gint ex = 0;
+  gint ey = 0;
+
+  GTD_ENTRY;
+
+  /* Claim the sequence to prevent propagating to GtkListBox and closing the row */
+  sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
+  gtk_gesture_set_sequence_state (GTK_GESTURE (gesture), sequence, GTK_EVENT_SEQUENCE_CLAIMED);
+
+  text_view = GTK_TEXT_VIEW (gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture)));
+  buffer = gtk_text_view_get_buffer (text_view);
+
+  /* Ensure focus */
+  gtk_widget_grab_focus (GTK_WIDGET (text_view));
+
+  /* We shouldn't follow a link if the user has selected something */
+  if (gtk_text_buffer_get_has_selection (buffer))
+    return;
+
+  gtk_text_view_window_to_buffer_coords (text_view, GTK_TEXT_WINDOW_WIDGET, x, y, &ex, &ey);
+
+  if (!gtk_text_view_get_iter_at_location (text_view, &iter, ex, ey))
+    return;
+
+  tags = gtk_text_iter_get_tags (&iter);
+
+  for (l = tags; l; l = l->next)
+    {
+      g_autofree gchar *tag_name = NULL;
+      g_autofree gchar *url = NULL;
+      GtkTextIter url_start;
+      GtkTextIter url_end;
+      GtkTextTag *tag;
+      GtkRoot *root;
+
+      tag = l->data;
+
+      g_object_get (tag, "name", &tag_name, NULL);
+
+      if (g_strcmp0 (tag_name, "url") != 0)
+        continue;
+
+      gtk_text_buffer_get_iter_at_line (buffer, &iter, gtk_text_iter_get_line (&iter));
+      end_iter = iter;
+      gtk_text_iter_forward_to_line_end (&end_iter);
+
+      /* Find the beginning... */
+      if (!gtk_text_iter_forward_search (&iter, "(", GTK_TEXT_SEARCH_TEXT_ONLY, NULL, &url_start, NULL))
+        continue;
+
+      /* ... and the end of the URL */
+      if (!gtk_text_iter_forward_search (&iter, ")", GTK_TEXT_SEARCH_TEXT_ONLY, &url_end, NULL, &end_iter))
+        continue;
+
+      url = gtk_text_iter_get_text (&url_start, &url_end);
+      root = gtk_widget_get_root (GTK_WIDGET (text_view));
+
+      if (root && GTK_IS_WINDOW (root))
+        gtk_show_uri_full (GTK_WINDOW (root), url, GDK_CURRENT_TIME, self->cancellable, on_uri_shown_cb, self);
+    }
+}
+
+
+/*
+ * GObject overrides
+ */
+
+static void
+gtd_edit_pane_finalize (GObject *object)
+{
+  GtdEditPane *self = (GtdEditPane *) object;
+
+  g_cancellable_cancel (self->cancellable);
+  g_clear_object (&self->cancellable);
+  g_clear_object (&self->task);
+
+  G_OBJECT_CLASS (gtd_edit_pane_parent_class)->finalize (object);
+}
+
+static void
+gtd_edit_pane_dispose (GObject *object)
+{
+  GtdEditPane *self = (GtdEditPane *) object;
+
+  g_clear_pointer (&self->new_date, g_date_time_unref);
+  g_clear_object (&self->task);
+
+  G_OBJECT_CLASS (gtd_edit_pane_parent_class)->dispose (object);
+}
+
+static void
+gtd_edit_pane_get_property (GObject    *object,
+                            guint       prop_id,
+                            GValue     *value,
+                            GParamSpec *pspec)
+{
+  GtdEditPane *self = GTD_EDIT_PANE (object);
+
+  switch (prop_id)
+    {
+    case PROP_TASK:
+      g_value_set_object (value, self->task);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gtd_edit_pane_set_property (GObject      *object,
+                            guint         prop_id,
+                            const GValue *value,
+                            GParamSpec   *pspec)
+{
+  GtdEditPane *self = GTD_EDIT_PANE (object);
+
+  switch (prop_id)
+    {
+    case PROP_TASK:
+      self->task = g_value_get_object (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gtd_edit_pane_class_init (GtdEditPaneClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  object_class->finalize = gtd_edit_pane_finalize;
+  object_class->dispose = gtd_edit_pane_dispose;
+  object_class->get_property = gtd_edit_pane_get_property;
+  object_class->set_property = gtd_edit_pane_set_property;
+
+  /**
+   * GtdEditPane::task:
+   *
+   * The task that is actually being edited.
+   */
+  g_object_class_install_property (
+        object_class,
+        PROP_TASK,
+        g_param_spec_object ("task",
+                             "Task being edited",
+                             "The task that is actually being edited",
+                             GTD_TYPE_TASK,
+                             G_PARAM_READWRITE));
+
+  /**
+   * GtdEditPane::changed:
+   *
+   * Emitted when the task was changed.
+   */
+  signals[CHANGED] = g_signal_new ("changed",
+                                   GTD_TYPE_EDIT_PANE,
+                                   G_SIGNAL_RUN_LAST,
+                                   0,
+                                   NULL,
+                                   NULL,
+                                   NULL,
+                                   G_TYPE_NONE,
+                                   0);
+
+  /**
+   * GtdEditPane::task-removed:
+   *
+   * Emitted when the user wants to remove the task.
+   */
+  signals[REMOVE_TASK] = g_signal_new ("remove-task",
+                                       GTD_TYPE_EDIT_PANE,
+                                       G_SIGNAL_RUN_LAST,
+                                       0,
+                                       NULL,
+                                       NULL,
+                                       NULL,
+                                       G_TYPE_NONE,
+                                       1,
+                                       GTD_TYPE_TASK);
+
+  /* template class */
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/todo/ui/gtd-edit-pane.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, GtdEditPane, calendar);
+  gtk_widget_class_bind_template_child (widget_class, GtdEditPane, date_button);
+  gtk_widget_class_bind_template_child (widget_class, GtdEditPane, notes_textview);
+
+  gtk_widget_class_bind_template_callback (widget_class, on_date_popover_closed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_date_selected_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_delete_button_clicked_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_hyperlink_clicked_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_hyperlink_hover_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_no_date_button_clicked_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_priority_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_text_buffer_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_today_button_clicked_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_tomorrow_button_clicked_cb);
+
+  gtk_widget_class_set_css_name (widget_class, "editpane");
+}
+
+static void
+gtd_edit_pane_init (GtdEditPane *self)
+{
+  self->cancellable = g_cancellable_new ();
+
+  gtk_widget_init_template (GTK_WIDGET (self));
+}
+
+GtkWidget*
+gtd_edit_pane_new (void)
+{
+  return g_object_new (GTD_TYPE_EDIT_PANE, NULL);
+}
+
+/**
+ * gtd_edit_pane_get_task:
+ * @self: a #GtdEditPane
+ *
+ * Retrieves the currently edited #GtdTask of %pane, or %NULL if none is set.
+ *
+ * Returns: (transfer none): the current #GtdTask being edited from %pane.
+ */
+GtdTask*
+gtd_edit_pane_get_task (GtdEditPane *self)
+{
+  g_return_val_if_fail (GTD_IS_EDIT_PANE (self), NULL);
+
+  return self->task;
+}
+
+/**
+ * gtd_edit_pane_set_task:
+ * @pane: a #GtdEditPane
+ * @task: a #GtdTask or %NULL
+ *
+ * Sets %task as the currently editing task of %pane.
+ */
+void
+gtd_edit_pane_set_task (GtdEditPane *self,
+                        GtdTask     *task)
+{
+  g_return_if_fail (GTD_IS_EDIT_PANE (self));
+
+  if (self->task && self->new_date)
+    {
+      g_clear_pointer (&self->new_date, g_date_time_unref);
+    }
+
+  if (!g_set_object (&self->task, task))
+    return;
+
+  if (task)
+    {
+      GtkTextBuffer *buffer;
+
+      buffer = gtk_text_view_get_buffer (self->notes_textview);
+
+      g_signal_handlers_block_by_func (buffer, on_text_buffer_changed_cb, self);
+
+      /* due date */
+      self->new_date = gtd_task_get_due_date (self->task);
+      update_date_widgets (self, gtd_task_get_due_date (self->task));
+
+      /* description */
+      gtk_text_buffer_set_text (buffer, gtd_task_get_description (task), -1);
+
+      self->notes_binding = g_object_bind_property (buffer,
+                                                    "text",
+                                                    task,
+                                                    "description",
+                                                    G_BINDING_BIDIRECTIONAL);
+
+      g_signal_handlers_unblock_by_func (buffer, on_text_buffer_changed_cb, self);
+
+    }
+
+  g_object_notify (G_OBJECT (self), "task");
+}
+
+/**
+ * gtd_edit_pane_get_new_date_time:
+ * @self: a #GtdEditPane
+ *
+ * Retrieves the newly set #GDateTime of %self, or %NULL if none is set.
+ *
+ * Returns: (transfer none): the current #GDateTime set in %self.
+ */
+GDateTime*
+gtd_edit_pane_get_new_date_time (GtdEditPane *self)
+{
+  g_return_val_if_fail (GTD_IS_EDIT_PANE (self), NULL);
+
+  return self->new_date;
+}
+
+void
+gtd_edit_pane_set_markdown_renderer (GtdEditPane         *self,
+                                     GtdMarkdownRenderer *renderer)
+{
+  GtkTextBuffer *buffer;
+
+  g_assert (GTD_IS_EDIT_PANE (self));
+  g_assert (GTD_IS_MARKDOWN_RENDERER (renderer));
+
+  buffer = gtk_text_view_get_buffer (self->notes_textview);
+
+  gtd_markdown_renderer_add_buffer (renderer, buffer);
+}
+