diff options
Diffstat (limited to 'panels/keyboard/cc-input-row.c')
| -rw-r--r-- | panels/keyboard/cc-input-row.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/panels/keyboard/cc-input-row.c b/panels/keyboard/cc-input-row.c new file mode 100644 index 0000000..9668824 --- /dev/null +++ b/panels/keyboard/cc-input-row.c @@ -0,0 +1,306 @@ +/* + * 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 +{ + AdwActionRow parent_instance; + + CcInputSource *source; + + GtkListBox *drag_widget; + + GtkDragSource *drag_source; + gdouble drag_x; + gdouble drag_y; +}; + +G_DEFINE_TYPE (CcInputRow, cc_input_row, ADW_TYPE_ACTION_ROW) + +enum +{ + SIGNAL_SHOW_SETTINGS, + SIGNAL_SHOW_LAYOUT, + SIGNAL_MOVE_ROW, + SIGNAL_REMOVE_ROW, + SIGNAL_LAST +}; + +static guint signals[SIGNAL_LAST] = { 0, }; + +static GdkContentProvider * +drag_prepare_cb (GtkDragSource *source, + double x, + double y, + CcInputRow *self) +{ + self->drag_x = x; + self->drag_y = y; + + return gdk_content_provider_new_typed (CC_TYPE_INPUT_ROW, self); +} + +static void +drag_begin_cb (GtkDragSource *source, + GdkDrag *drag, + CcInputRow *self) +{ + GtkAllocation alloc; + CcInputRow *drag_row; + GtkWidget *drag_icon; + + gtk_widget_get_allocation (GTK_WIDGET (self), &alloc); + + self->drag_widget = GTK_LIST_BOX (gtk_list_box_new ()); + gtk_widget_set_size_request (GTK_WIDGET (self->drag_widget), alloc.width, alloc.height); + + drag_row = cc_input_row_new (self->source); + gtk_list_box_append (self->drag_widget, GTK_WIDGET (drag_row)); + gtk_list_box_drag_highlight_row (self->drag_widget, GTK_LIST_BOX_ROW (drag_row)); + + drag_icon = gtk_drag_icon_get_for_drag (drag); + gtk_drag_icon_set_child (GTK_DRAG_ICON (drag_icon), GTK_WIDGET (self->drag_widget)); + gdk_drag_set_hotspot (drag, self->drag_x, self->drag_y); +} + +static gboolean +drop_cb (GtkDropTarget *drop_target, + const GValue *value, + gdouble x, + gdouble y, + CcInputRow *self) +{ + CcInputRow *source; + + if (!G_VALUE_HOLDS (value, CC_TYPE_INPUT_ROW)) + return FALSE; + + source = g_value_get_object (value); + + g_signal_emit (source, + signals[SIGNAL_MOVE_ROW], + 0, + self); + + return TRUE; +} + +static void +move_up_cb (GtkWidget *widget, + const char *action_name, + GVariant *parameter) +{ + CcInputRow *self = CC_INPUT_ROW (widget); + GtkListBox *list_box = GTK_LIST_BOX (gtk_widget_get_parent (GTK_WIDGET (self))); + gint previous_idx = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (self)) - 1; + GtkListBoxRow *previous_row = gtk_list_box_get_row_at_index (list_box, previous_idx); + + if (previous_row == NULL) + return; + + g_signal_emit (self, + signals[SIGNAL_MOVE_ROW], + 0, + previous_row); +} + +static void +move_down_cb (GtkWidget *widget, + const char *action_name, + GVariant *parameter) +{ + CcInputRow *self = CC_INPUT_ROW (widget); + GtkListBox *list_box = GTK_LIST_BOX (gtk_widget_get_parent (GTK_WIDGET (self))); + gint next_idx = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (self)) + 1; + GtkListBoxRow *next_row = gtk_list_box_get_row_at_index (list_box, next_idx); + + if (next_row == NULL) + return; + + g_signal_emit (next_row, + signals[SIGNAL_MOVE_ROW], + 0, + self); +} + +static void +show_settings_cb (GtkWidget *widget, + const char *action_name, + GVariant *parameter) +{ + CcInputRow *self = CC_INPUT_ROW (widget); + g_signal_emit (self, + signals[SIGNAL_SHOW_SETTINGS], + 0); +} + +static void +show_layout_cb (GtkWidget *widget, + const char *action_name, + GVariant *parameter) +{ + CcInputRow *self = CC_INPUT_ROW (widget); + g_signal_emit (self, + signals[SIGNAL_SHOW_LAYOUT], + 0); +} + +static void +remove_cb (GtkWidget *widget, + const char *action_name, + GVariant *parameter) +{ + CcInputRow *self = CC_INPUT_ROW (widget); + 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/keyboard/cc-input-row.ui"); + + 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); + + gtk_widget_class_install_action (widget_class, "row.move-up", NULL, move_up_cb); + gtk_widget_class_install_action (widget_class, "row.move-down", NULL, move_down_cb); + gtk_widget_class_install_action (widget_class, "row.show-layout", NULL, show_layout_cb); + gtk_widget_class_install_action (widget_class, "row.show-settings", NULL, show_settings_cb); + gtk_widget_class_install_action (widget_class, "row.remove", NULL, remove_cb); +} + +void +cc_input_row_init (CcInputRow *self) +{ + GtkDropTarget *drop_target; + + gtk_widget_init_template (GTK_WIDGET (self)); + + self->drag_source = gtk_drag_source_new (); + gtk_drag_source_set_actions (self->drag_source, GDK_ACTION_MOVE); + g_signal_connect (self->drag_source, "prepare", G_CALLBACK (drag_prepare_cb), self); + g_signal_connect (self->drag_source, "drag-begin", G_CALLBACK (drag_begin_cb), self); + gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (self->drag_source)); + + drop_target = gtk_drop_target_new (CC_TYPE_INPUT_ROW, GDK_ACTION_MOVE); + gtk_drop_target_set_preload (drop_target, TRUE); + g_signal_connect (drop_target, "drop", G_CALLBACK (drop_cb), self); + gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (drop_target)); +} + +static void +label_changed_cb (CcInputRow *self) +{ + g_autofree gchar *label = cc_input_source_get_label (self->source); + adw_preferences_row_set_title (ADW_PREFERENCES_ROW (self), 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_action_set_enabled (GTK_WIDGET (self), "row.show-settings", 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_action_set_enabled (GTK_WIDGET (self), "row.remove", removable); +} + +void +cc_input_row_set_draggable (CcInputRow *self, + gboolean draggable) +{ + gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (self->drag_source), + draggable ? GTK_PHASE_BUBBLE : GTK_PHASE_NONE); +} |