diff options
Diffstat (limited to 'panels/region/cc-input-row.c')
| -rw-r--r-- | panels/region/cc-input-row.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/panels/region/cc-input-row.c b/panels/region/cc-input-row.c new file mode 100644 index 0000000..eadc204 --- /dev/null +++ b/panels/region/cc-input-row.c @@ -0,0 +1,273 @@ +/* + * Copyright © 2018 Canonical Ltd. + * + * 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 2 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/>. + */ + +#include <config.h> +#include "cc-input-row.h" +#include "cc-input-source-ibus.h" + +struct _CcInputRow +{ + GtkListBoxRow parent_instance; + + CcInputSource *source; + + GtkEventBox *drag_handle; + GtkLabel *name_label; + GtkButton *remove_button; + GtkButton *settings_button; + + GtkListBox *drag_widget; +}; + +G_DEFINE_TYPE (CcInputRow, cc_input_row, GTK_TYPE_LIST_BOX_ROW) + +enum +{ + SIGNAL_SHOW_SETTINGS, + SIGNAL_SHOW_LAYOUT, + SIGNAL_MOVE_ROW, + SIGNAL_REMOVE_ROW, + SIGNAL_LAST +}; + +static guint signals[SIGNAL_LAST] = { 0, }; + +static void +drag_begin_cb (CcInputRow *self, + GdkDragContext *drag_context) +{ + GtkAllocation alloc; + gint x = 0, y = 0; + + gtk_widget_get_allocation (GTK_WIDGET (self), &alloc); + + gdk_window_get_device_position (gtk_widget_get_window (GTK_WIDGET (self)), + gdk_drag_context_get_device (drag_context), + &x, &y, NULL); + + self->drag_widget = GTK_LIST_BOX (gtk_list_box_new ()); + gtk_widget_show (GTK_WIDGET (self->drag_widget)); + gtk_widget_set_size_request (GTK_WIDGET (self->drag_widget), alloc.width, alloc.height); + CcInputRow *drag_row = cc_input_row_new (self->source); + gtk_widget_show (GTK_WIDGET (drag_row)); + gtk_container_add (GTK_CONTAINER (self->drag_widget), GTK_WIDGET (drag_row)); + gtk_list_box_drag_highlight_row (self->drag_widget, GTK_LIST_BOX_ROW (drag_row)); + + gtk_drag_set_icon_widget (drag_context, GTK_WIDGET (self->drag_widget), x - alloc.x, y - alloc.y); +} + +static void +drag_end_cb (CcInputRow *self) +{ + g_clear_pointer ((GtkWidget **) &self->drag_widget, gtk_widget_destroy); +} + +static void +drag_data_get_cb (CcInputRow *self, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint time_) +{ + gtk_selection_data_set (selection_data, + gdk_atom_intern_static_string ("GTK_LIST_BOX_ROW"), + 32, + (const guchar *)&self, + sizeof (gpointer)); +} + +static void +drag_data_received_cb (CcInputRow *self, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint time_) +{ + CcInputRow *source; + + source = *((CcInputRow **) gtk_selection_data_get_data (selection_data)); + + if (source == self) + return; + + g_signal_emit (source, + signals[SIGNAL_MOVE_ROW], + 0, + self); +} + +static void +settings_button_clicked_cb (CcInputRow *self) +{ + g_signal_emit (self, + signals[SIGNAL_SHOW_SETTINGS], + 0); +} + +static void +layout_button_clicked_cb (CcInputRow *self) +{ + g_signal_emit (self, + signals[SIGNAL_SHOW_LAYOUT], + 0); +} + +static void +remove_button_clicked_cb (CcInputRow *self) +{ + g_signal_emit (self, + signals[SIGNAL_REMOVE_ROW], + 0); +} + +static void +cc_input_row_dispose (GObject *object) +{ + CcInputRow *self = CC_INPUT_ROW (object); + + g_clear_object (&self->source); + + G_OBJECT_CLASS (cc_input_row_parent_class)->dispose (object); +} + +void +cc_input_row_class_init (CcInputRowClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->dispose = cc_input_row_dispose; + + gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/region/cc-input-row.ui"); + + gtk_widget_class_bind_template_child (widget_class, CcInputRow, drag_handle); + gtk_widget_class_bind_template_child (widget_class, CcInputRow, name_label); + gtk_widget_class_bind_template_child (widget_class, CcInputRow, remove_button); + gtk_widget_class_bind_template_child (widget_class, CcInputRow, settings_button); + + gtk_widget_class_bind_template_callback (widget_class, drag_data_get_cb); + gtk_widget_class_bind_template_callback (widget_class, drag_begin_cb); + gtk_widget_class_bind_template_callback (widget_class, drag_end_cb); + gtk_widget_class_bind_template_callback (widget_class, drag_data_received_cb); + gtk_widget_class_bind_template_callback (widget_class, layout_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, settings_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, remove_button_clicked_cb); + + signals[SIGNAL_SHOW_SETTINGS] = + g_signal_new ("show-settings", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, + NULL, + G_TYPE_NONE, + 0); + + signals[SIGNAL_SHOW_LAYOUT] = + g_signal_new ("show-layout", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, + NULL, + G_TYPE_NONE, + 0); + + signals[SIGNAL_MOVE_ROW] = + g_signal_new ("move-row", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, + NULL, + G_TYPE_NONE, + 1, CC_TYPE_INPUT_ROW); + + signals[SIGNAL_REMOVE_ROW] = + g_signal_new ("remove-row", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, + NULL, + G_TYPE_NONE, + 0); +} + +static GtkTargetEntry entries[] = +{ + { "GTK_LIST_BOX_ROW", GTK_TARGET_SAME_APP, 0 } +}; + +void +cc_input_row_init (CcInputRow *self) +{ + gtk_widget_init_template (GTK_WIDGET (self)); + + gtk_drag_source_set (GTK_WIDGET (self->drag_handle), GDK_BUTTON1_MASK, entries, 1, GDK_ACTION_MOVE); + gtk_drag_dest_set (GTK_WIDGET (self), GTK_DEST_DEFAULT_ALL, entries, 1, GDK_ACTION_MOVE); +} + +static void +label_changed_cb (CcInputRow *self) +{ + g_autofree gchar *label = cc_input_source_get_label (self->source); + gtk_label_set_text (self->name_label, label); +} + +CcInputRow * +cc_input_row_new (CcInputSource *source) +{ + CcInputRow *self; + + self = g_object_new (CC_TYPE_INPUT_ROW, NULL); + self->source = g_object_ref (source); + + g_signal_connect_object (source, "label-changed", G_CALLBACK (label_changed_cb), self, G_CONNECT_SWAPPED); + label_changed_cb (self); + + gtk_widget_set_visible (GTK_WIDGET (self->settings_button), CC_IS_INPUT_SOURCE_IBUS (source)); + + return self; +} + +CcInputSource * +cc_input_row_get_source (CcInputRow *self) +{ + g_return_val_if_fail (CC_IS_INPUT_ROW (self), NULL); + return self->source; +} + +void +cc_input_row_set_removable (CcInputRow *self, + gboolean removable) +{ + g_return_if_fail (CC_IS_INPUT_ROW (self)); + gtk_widget_set_sensitive (GTK_WIDGET (self->remove_button), removable); +} + +void +cc_input_row_set_draggable (CcInputRow *self, + gboolean draggable) +{ + if (draggable) + gtk_drag_source_set (GTK_WIDGET (self->drag_handle), GDK_BUTTON1_MASK, entries, 1, GDK_ACTION_MOVE); + else + gtk_drag_source_unset (GTK_WIDGET (self->drag_handle)); +} |