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Diffstat (limited to 'src/gui/gtd-omni-area.c')
| -rw-r--r-- | src/gui/gtd-omni-area.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/src/gui/gtd-omni-area.c b/src/gui/gtd-omni-area.c new file mode 100644 index 0000000..828f36c --- /dev/null +++ b/src/gui/gtd-omni-area.c @@ -0,0 +1,256 @@ +/* gtd-omni-area.c + * + * Copyright 2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.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 "GtdOmniArea" + +#include "gtd-omni-area.h" + +#include "gtd-debug.h" +#include "gtd-max-size-layout.h" +#include "gtd-omni-area-addin.h" + +#include <libpeas/peas.h> + +struct _GtdOmniArea +{ + GtdWidget parent; + + GtkStack *main_stack; + GtkStack *status_stack; + + PeasExtensionSet *addins; + + GQueue *messages; + guint current; + + guint switch_messages_timeout_id; +}; + +G_DEFINE_TYPE (GtdOmniArea, gtd_omni_area, GTD_TYPE_WIDGET) + + +/* + * Auxiliary methods + */ + +static void +show_message (GtdOmniArea *self, + guint message_index) +{ + const gchar *message_id; + + message_id = g_queue_peek_nth (self->messages, message_index); + + gtk_stack_set_visible_child_name (self->status_stack, message_id); + self->current = message_index; +} + + + +/* + * Callbacks + */ + +static gboolean +switch_message_cb (gpointer user_data) +{ + GtdOmniArea *self = GTD_OMNI_AREA (user_data); + gint next_message_index; + guint n_messages; + + n_messages = g_queue_get_length (self->messages); + gtk_stack_set_visible_child_name (self->main_stack, n_messages > 0 ? "messages" : "placeholder"); + + next_message_index = (self->current + 1) % n_messages; + show_message (self, next_message_index); + + return G_SOURCE_CONTINUE; +} + +static void +on_omni_area_addin_added_cb (PeasExtensionSet *extension_set, + PeasPluginInfo *plugin_info, + GtdOmniAreaAddin *addin, + GtdOmniArea *self) +{ + gtd_omni_area_addin_load (addin, self); +} + +static void +on_omni_area_addin_removed_cb (PeasExtensionSet *extension_set, + PeasPluginInfo *plugin_info, + GtdOmniAreaAddin *addin, + GtdOmniArea *self) +{ + gtd_omni_area_addin_unload (addin, self); +} + + +/* + * GObject overrides + */ + +static void +gtd_omni_area_dispose (GObject *object) +{ + GtdOmniArea *self = GTD_OMNI_AREA (object); + + g_clear_object (&self->addins); + + G_OBJECT_CLASS (gtd_omni_area_parent_class)->dispose (object); +} + +static void +gtd_omni_area_finalize (GObject *object) +{ + GtdOmniArea *self = (GtdOmniArea *)object; + + g_clear_handle_id (&self->switch_messages_timeout_id, g_source_remove); + g_queue_free_full (self->messages, g_free); + + G_OBJECT_CLASS (gtd_omni_area_parent_class)->finalize (object); +} + +static void +gtd_omni_area_class_init (GtdOmniAreaClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->dispose = gtd_omni_area_dispose; + object_class->finalize = gtd_omni_area_finalize; + + g_type_ensure (GTD_TYPE_MAX_SIZE_LAYOUT); + + gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/todo/ui/gtd-omni-area.ui"); + + gtk_widget_class_bind_template_child (widget_class, GtdOmniArea, main_stack); + gtk_widget_class_bind_template_child (widget_class, GtdOmniArea, status_stack); + + gtk_widget_class_set_css_name (widget_class, "omniarea"); +} + +static void +gtd_omni_area_init (GtdOmniArea *self) +{ + gtk_widget_init_template (GTK_WIDGET (self)); + + self->messages = g_queue_new (); + self->addins = peas_extension_set_new (peas_engine_get_default (), + GTD_TYPE_OMNI_AREA_ADDIN, + NULL); + + peas_extension_set_foreach (self->addins, + (PeasExtensionSetForeachFunc) on_omni_area_addin_added_cb, + self); + + g_signal_connect (self->addins, "extension-added", G_CALLBACK (on_omni_area_addin_added_cb), self); + g_signal_connect (self->addins, "extension-removed", G_CALLBACK (on_omni_area_addin_removed_cb), self); +} + +/** + * gtd_omni_area_push_message: + * @self: a #GtdOmniArea + * @id: an identifier for this notification + * @text: user visible text of the notification + * @icon: (nullable): a #GIcon + * + * Pushes a new message to @self. + * + */ +void +gtd_omni_area_push_message (GtdOmniArea *self, + const gchar *id, + const gchar *text, + GIcon *icon) +{ + GtkWidget *label; + GtkWidget *box; + + g_return_if_fail (GTD_IS_OMNI_AREA (self)); + g_return_if_fail (id != NULL); + g_return_if_fail (text != NULL); + + GTD_ENTRY; + + box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 18); + + label = gtk_label_new (text); + gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_box_append (GTK_BOX (box), label); + + if (icon) + { + GtkWidget *image = gtk_image_new_from_gicon (icon); + + gtk_widget_add_css_class (image, "dim-label"); + gtk_box_append (GTK_BOX (box), image); + } + + gtk_stack_add_named (self->status_stack, box, id); + + g_debug ("Adding message '%s' to Omni Area", id); + + g_queue_push_tail (self->messages, g_strdup (id)); + show_message (self, g_queue_get_length (self->messages) - 1); + + g_clear_handle_id (&self->switch_messages_timeout_id, g_source_remove); + self->switch_messages_timeout_id = g_timeout_add (7500, switch_message_cb, self); + + GTD_EXIT; +} + +/** + * gtd_omni_area_withdraw_message: + * @self: a #GtdOmniArea + * @id: an identifier for this notification + * + * Withdraws a message from @self. If a message with @id doesn't + * exist, nothing happens. + */ +void +gtd_omni_area_withdraw_message (GtdOmniArea *self, + const gchar *id) +{ + GtkWidget *widget; + GList *l; + + g_return_if_fail (GTD_IS_OMNI_AREA (self)); + g_return_if_fail (id != NULL); + + GTD_ENTRY; + + widget = gtk_stack_get_child_by_name (self->status_stack, id); + if (!widget) + return; + + g_debug ("Removing message '%s' from Omni Area", id); + + gtk_stack_remove (self->status_stack, widget); + + l = g_queue_find_custom (self->messages, id, (GCompareFunc) g_strcmp0); + g_queue_delete_link (self->messages, l); + + if (g_queue_get_length (self->messages) == 0) + gtk_stack_set_visible_child_name (self->main_stack, "placeholder"); + + GTD_EXIT; +} |