diff options
Diffstat (limited to 'panels/multitasking/cc-multitasking-row.c')
| -rw-r--r-- | panels/multitasking/cc-multitasking-row.c | 572 |
1 files changed, 572 insertions, 0 deletions
diff --git a/panels/multitasking/cc-multitasking-row.c b/panels/multitasking/cc-multitasking-row.c new file mode 100644 index 0000000..9524fba --- /dev/null +++ b/panels/multitasking/cc-multitasking-row.c @@ -0,0 +1,572 @@ +/* cc-multitasking-row.c + * + * Copyright 2018 Purism SPC + * 2021 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 + */ + +#include "cc-multitasking-row.h" + +struct _CcMultitaskingRow +{ + AdwPreferencesRow parent; + + GtkBox *artwork_box; + GtkBox *header; + GtkImage *image; + GtkBox *prefixes; + GtkLabel *subtitle; + GtkBox *suffixes; + GtkLabel *title; + GtkBox *title_box; + + GtkWidget *previous_parent; + + gboolean use_underline; + gint title_lines; + gint subtitle_lines; + GtkWidget *activatable_widget; +}; + +static GtkBuildableIface *parent_buildable_iface; + +static void cc_multitasking_row_buildable_init (GtkBuildableIface *iface); + +G_DEFINE_TYPE_WITH_CODE (CcMultitaskingRow, cc_multitasking_row, ADW_TYPE_PREFERENCES_ROW, + G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, cc_multitasking_row_buildable_init)) + +enum +{ + PROP_0, + PROP_ICON_NAME, + PROP_ACTIVATABLE_WIDGET, + PROP_SUBTITLE, + PROP_USE_UNDERLINE, + PROP_TITLE_LINES, + PROP_SUBTITLE_LINES, + N_PROPS, +}; + +enum +{ + SIGNAL_ACTIVATED, + SIGNAL_LAST_SIGNAL, +}; + +static GParamSpec *props[N_PROPS] = { NULL, }; +static guint signals[SIGNAL_LAST_SIGNAL] = { 0, }; + +static void +row_activated_cb (CcMultitaskingRow *self, + GtkListBoxRow *row) +{ + /* No need to use GTK_LIST_BOX_ROW() for a pointer comparison. */ + if ((GtkListBoxRow *) self == row) + cc_multitasking_row_activate (self); +} + +static void +parent_cb (CcMultitaskingRow *self) +{ + GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (self)); + + if (self->previous_parent != NULL) + { + g_signal_handlers_disconnect_by_func (self->previous_parent, + G_CALLBACK (row_activated_cb), + self); + self->previous_parent = NULL; + } + + if (parent == NULL || !GTK_IS_LIST_BOX (parent)) + return; + + self->previous_parent = parent; + g_signal_connect_swapped (parent, "row-activated", G_CALLBACK (row_activated_cb), self); +} + +static void +update_subtitle_visibility (CcMultitaskingRow *self) +{ + gtk_widget_set_visible (GTK_WIDGET (self->subtitle), + gtk_label_get_text (self->subtitle) != NULL && + g_strcmp0 (gtk_label_get_text (self->subtitle), "") != 0); +} + +static void +cc_multitasking_row_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + CcMultitaskingRow *self = CC_MULTITASKING_ROW (object); + + switch (prop_id) + { + case PROP_ICON_NAME: + g_value_set_string (value, cc_multitasking_row_get_icon_name (self)); + break; + case PROP_ACTIVATABLE_WIDGET: + g_value_set_object (value, (GObject *) cc_multitasking_row_get_activatable_widget (self)); + break; + case PROP_SUBTITLE: + g_value_set_string (value, cc_multitasking_row_get_subtitle (self)); + break; + case PROP_SUBTITLE_LINES: + g_value_set_int (value, cc_multitasking_row_get_subtitle_lines (self)); + break; + case PROP_TITLE_LINES: + g_value_set_int (value, cc_multitasking_row_get_title_lines (self)); + break; + case PROP_USE_UNDERLINE: + g_value_set_boolean (value, cc_multitasking_row_get_use_underline (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +cc_multitasking_row_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + CcMultitaskingRow *self = CC_MULTITASKING_ROW (object); + + switch (prop_id) + { + case PROP_ICON_NAME: + cc_multitasking_row_set_icon_name (self, g_value_get_string (value)); + break; + case PROP_ACTIVATABLE_WIDGET: + cc_multitasking_row_set_activatable_widget (self, (GtkWidget*) g_value_get_object (value)); + break; + case PROP_SUBTITLE: + cc_multitasking_row_set_subtitle (self, g_value_get_string (value)); + break; + case PROP_SUBTITLE_LINES: + cc_multitasking_row_set_subtitle_lines (self, g_value_get_int (value)); + break; + case PROP_TITLE_LINES: + cc_multitasking_row_set_title_lines (self, g_value_get_int (value)); + break; + case PROP_USE_UNDERLINE: + cc_multitasking_row_set_use_underline (self, g_value_get_boolean (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +cc_multitasking_row_dispose (GObject *object) +{ + CcMultitaskingRow *self = CC_MULTITASKING_ROW (object); + + if (self->previous_parent != NULL) { + g_signal_handlers_disconnect_by_func (self->previous_parent, G_CALLBACK (row_activated_cb), self); + self->previous_parent = NULL; + } + + cc_multitasking_row_set_activatable_widget (self, NULL); + g_clear_pointer ((GtkWidget**)&self->header, gtk_widget_unparent); + + G_OBJECT_CLASS (cc_multitasking_row_parent_class)->dispose (object); +} + +static void +cc_multitasking_row_class_init (CcMultitaskingRowClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->get_property = cc_multitasking_row_get_property; + object_class->set_property = cc_multitasking_row_set_property; + object_class->dispose = cc_multitasking_row_dispose; + + props[PROP_ICON_NAME] = + g_param_spec_string ("icon-name", + "Icon name", + "Icon name", + "", + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY); + + props[PROP_ACTIVATABLE_WIDGET] = + g_param_spec_object ("activatable-widget", + "Activatable widget", + "The widget to be activated when the row is activated", + GTK_TYPE_WIDGET, + G_PARAM_READWRITE); + + props[PROP_SUBTITLE] = + g_param_spec_string ("subtitle", + "Subtitle", + "Subtitle", + "", + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY); + + props[PROP_USE_UNDERLINE] = + g_param_spec_boolean ("use-underline", + "Use underline", + "If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key", + FALSE, + G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY); + + props[PROP_TITLE_LINES] = + g_param_spec_int ("title-lines", + "Number of title lines", + "The desired number of title lines", + 0, G_MAXINT, + 1, + G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY); + + props[PROP_SUBTITLE_LINES] = + g_param_spec_int ("subtitle-lines", + "Number of subtitle lines", + "The desired number of subtitle lines", + 0, G_MAXINT, + 1, + G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY); + + g_object_class_install_properties (object_class, N_PROPS, props); + + signals[SIGNAL_ACTIVATED] = + g_signal_new ("activated", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, NULL, + G_TYPE_NONE, + 0); + + gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/multitasking/cc-multitasking-row.ui"); + + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, artwork_box); + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, header); + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, image); + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, prefixes); + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, subtitle); + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, suffixes); + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, title); + gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, title_box); +} + +static gboolean +string_is_not_empty (GBinding *binding, + const GValue *from_value, + GValue *to_value, + gpointer user_data) +{ + const gchar *string = g_value_get_string (from_value); + + g_value_set_boolean (to_value, string != NULL && g_strcmp0 (string, "") != 0); + + return TRUE; +} + +static void +cc_multitasking_row_init (CcMultitaskingRow *self) +{ + self->title_lines = 1; + self->subtitle_lines = 1; + + gtk_widget_init_template (GTK_WIDGET (self)); + + g_object_bind_property_full (self, "title", + self->title, "visible", + G_BINDING_SYNC_CREATE, + string_is_not_empty, + NULL, NULL, NULL); + + update_subtitle_visibility (self); + + g_signal_connect (self, "notify::parent", G_CALLBACK (parent_cb), NULL); +} + +static void +cc_multitasking_row_buildable_add_child (GtkBuildable *buildable, + GtkBuilder *builder, + GObject *child, + const gchar *type) +{ + CcMultitaskingRow *self = CC_MULTITASKING_ROW (buildable); + + if (!self->header) + parent_buildable_iface->add_child (buildable, builder, child, type); + else if (type && strcmp (type, "prefix") == 0) + cc_multitasking_row_add_prefix (self, GTK_WIDGET (child)); + else if (type && strcmp (type, "artwork") == 0) + cc_multitasking_row_add_artwork (self, GTK_WIDGET (child)); + else if (!type && GTK_IS_WIDGET (child)) + { + gtk_box_append (self->suffixes, GTK_WIDGET (child)); + gtk_widget_show (GTK_WIDGET (self->suffixes)); + } + else + parent_buildable_iface->add_child (buildable, builder, child, type); +} + +static void +cc_multitasking_row_buildable_init (GtkBuildableIface *iface) +{ + parent_buildable_iface = g_type_interface_peek_parent (iface); + iface->add_child = cc_multitasking_row_buildable_add_child; +} + +const gchar * +cc_multitasking_row_get_subtitle (CcMultitaskingRow *self) +{ + g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), NULL); + + return gtk_label_get_text (self->subtitle); +} + +void +cc_multitasking_row_set_subtitle (CcMultitaskingRow *self, + const gchar *subtitle) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + + if (g_strcmp0 (gtk_label_get_text (self->subtitle), subtitle) == 0) + return; + + gtk_label_set_text (self->subtitle, subtitle); + gtk_widget_set_visible (GTK_WIDGET (self->subtitle), + subtitle != NULL && g_strcmp0 (subtitle, "") != 0); + + g_object_notify_by_pspec (G_OBJECT (self), props[PROP_SUBTITLE]); +} + +const gchar * +cc_multitasking_row_get_icon_name (CcMultitaskingRow *self) +{ + g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), NULL); + + return gtk_image_get_icon_name (self->image); +} + +void +cc_multitasking_row_set_icon_name (CcMultitaskingRow *self, + const gchar *icon_name) +{ + const gchar *old_icon_name; + + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + + old_icon_name = gtk_image_get_icon_name (self->image); + if (g_strcmp0 (old_icon_name, icon_name) == 0) + return; + + gtk_image_set_from_icon_name (self->image, icon_name); + gtk_widget_set_visible (GTK_WIDGET (self->image), + icon_name != NULL && g_strcmp0 (icon_name, "") != 0); + + g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ICON_NAME]); +} + +GtkWidget * +cc_multitasking_row_get_activatable_widget (CcMultitaskingRow *self) +{ + g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), NULL); + + return self->activatable_widget; +} + +static void +activatable_widget_weak_notify (gpointer data, + GObject *where_the_object_was) +{ + CcMultitaskingRow *self = CC_MULTITASKING_ROW (data); + + self->activatable_widget = NULL; + + g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACTIVATABLE_WIDGET]); +} + +void +cc_multitasking_row_set_activatable_widget (CcMultitaskingRow *self, + GtkWidget *widget) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + g_return_if_fail (widget == NULL || GTK_IS_WIDGET (widget)); + + if (self->activatable_widget == widget) + return; + + if (self->activatable_widget) + g_object_weak_unref (G_OBJECT (self->activatable_widget), + activatable_widget_weak_notify, + self); + + self->activatable_widget = widget; + + if (self->activatable_widget != NULL) { + g_object_weak_ref (G_OBJECT (self->activatable_widget), + activatable_widget_weak_notify, + self); + gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (self), TRUE); + gtk_accessible_update_relation (GTK_ACCESSIBLE (self->activatable_widget), + GTK_ACCESSIBLE_RELATION_LABELLED_BY, self->title, NULL, + GTK_ACCESSIBLE_RELATION_DESCRIBED_BY, self->subtitle, NULL, + -1); + + } + + g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACTIVATABLE_WIDGET]); +} + +gboolean +cc_multitasking_row_get_use_underline (CcMultitaskingRow *self) +{ + g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), FALSE); + + return self->use_underline; +} + +void +cc_multitasking_row_set_use_underline (CcMultitaskingRow *self, + gboolean use_underline) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + + use_underline = !!use_underline; + + if (self->use_underline == use_underline) + return; + + self->use_underline = use_underline; + adw_preferences_row_set_use_underline (ADW_PREFERENCES_ROW (self), self->use_underline); + gtk_label_set_use_underline (self->title, self->use_underline); + gtk_label_set_use_underline (self->subtitle, self->use_underline); + gtk_label_set_mnemonic_widget (self->title, GTK_WIDGET (self)); + gtk_label_set_mnemonic_widget (self->subtitle, GTK_WIDGET (self)); + + g_object_notify_by_pspec (G_OBJECT (self), props[PROP_USE_UNDERLINE]); +} + +gint +cc_multitasking_row_get_title_lines (CcMultitaskingRow *self) +{ + g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), 0); + + return self->title_lines; +} + +void +cc_multitasking_row_set_title_lines (CcMultitaskingRow *self, + gint title_lines) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + g_return_if_fail (title_lines >= 0); + + if (self->title_lines == title_lines) + return; + + self->title_lines = title_lines; + + gtk_label_set_lines (self->title, title_lines); + gtk_label_set_ellipsize (self->title, title_lines == 0 ? PANGO_ELLIPSIZE_NONE : PANGO_ELLIPSIZE_END); + + g_object_notify_by_pspec (G_OBJECT (self), props[PROP_TITLE_LINES]); +} + +gint +cc_multitasking_row_get_subtitle_lines (CcMultitaskingRow *self) +{ + g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), 0); + + return self->subtitle_lines; +} + +void +cc_multitasking_row_set_subtitle_lines (CcMultitaskingRow *self, + gint subtitle_lines) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + g_return_if_fail (subtitle_lines >= 0); + + if (self->subtitle_lines == subtitle_lines) + return; + + self->subtitle_lines = subtitle_lines; + + gtk_label_set_lines (self->subtitle, subtitle_lines); + gtk_label_set_ellipsize (self->subtitle, subtitle_lines == 0 ? PANGO_ELLIPSIZE_NONE : PANGO_ELLIPSIZE_END); + + g_object_notify_by_pspec (G_OBJECT (self), props[PROP_SUBTITLE_LINES]); +} + +void +cc_multitasking_row_add_prefix (CcMultitaskingRow *self, + GtkWidget *widget) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + g_return_if_fail (GTK_IS_WIDGET (self)); + + gtk_box_append (self->prefixes, widget); + gtk_widget_show (GTK_WIDGET (self->prefixes)); +} + +void +cc_multitasking_row_add_artwork (CcMultitaskingRow *self, + GtkWidget *widget) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + g_return_if_fail (GTK_IS_WIDGET (self)); + + /* HACK: the artwork box pushes the title too much to the top, so we + * need to compensate this here. + */ + gtk_widget_set_margin_top (GTK_WIDGET (self->header), 12); + + gtk_box_append (self->artwork_box, widget); + gtk_widget_show (GTK_WIDGET (self->artwork_box)); +} + +void +cc_multitasking_row_activate (CcMultitaskingRow *self) +{ + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + + if (self->activatable_widget) + gtk_widget_mnemonic_activate (self->activatable_widget, FALSE); + + g_signal_emit (self, signals[SIGNAL_ACTIVATED], 0); +} + +void +cc_multitasking_row_remove (CcMultitaskingRow *self, + GtkWidget *child) +{ + GtkWidget *parent; + + g_return_if_fail (CC_IS_MULTITASKING_ROW (self)); + g_return_if_fail (GTK_IS_WIDGET (child)); + + parent = gtk_widget_get_parent (child); + + if (parent == GTK_WIDGET (self->prefixes)) + gtk_box_remove (self->prefixes, child); + else if (parent == GTK_WIDGET (self->suffixes)) + gtk_box_remove (self->suffixes, child); + else if (parent == GTK_WIDGET (self->artwork_box)) + gtk_box_remove (self->artwork_box, child); + else + g_warning ("%p is not a child of %p", child, self); +} + |