/* GTK - The GIMP Toolkit * Copyright (C) 2019 Red Hat, Inc. * * Authors: * - Matthias Clasen * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #include "config.h" #include "gtkpasswordentryprivate.h" #include "gtkaccessibleprivate.h" #include "gtktextprivate.h" #include "gtkeditable.h" #include "gtkeventcontrollerkey.h" #include "gtkgestureclick.h" #include #include "gtkmarshalers.h" #include "gtkpasswordentrybuffer.h" #include "gtkprivate.h" #include "gtkwidgetprivate.h" #include "gtkcsspositionvalueprivate.h" #include "gtkcssnodeprivate.h" #include "gtkjoinedmenuprivate.h" /** * GtkPasswordEntry: * * `GtkPasswordEntry` is an entry that has been tailored for entering secrets. * * ![An example GtkPasswordEntry](password-entry.png) * * It does not show its contents in clear text, does not allow to copy it * to the clipboard, and it shows a warning when Caps Lock is engaged. If * the underlying platform allows it, `GtkPasswordEntry` will also place * the text in a non-pageable memory area, to avoid it being written out * to disk by the operating system. * * Optionally, it can offer a way to reveal the contents in clear text. * * `GtkPasswordEntry` provides only minimal API and should be used with * the [iface@Gtk.Editable] API. * * # CSS Nodes * * ``` * entry.password * ╰── text * ├── image.caps-lock-indicator * ┊ * ``` * * `GtkPasswordEntry` has a single CSS node with name entry that carries * a .passwordstyle class. The text Css node below it has a child with * name image and style class .caps-lock-indicator for the Caps Lock * icon, and possibly other children. * * # Accessibility * * `GtkPasswordEntry` uses the %GTK_ACCESSIBLE_ROLE_TEXT_BOX role. */ struct _GtkPasswordEntry { GtkWidget parent_instance; GtkWidget *entry; GtkWidget *icon; GtkWidget *peek_icon; GdkDevice *keyboard; GMenuModel *extra_menu; }; struct _GtkPasswordEntryClass { GtkWidgetClass parent_class; }; enum { ACTIVATE, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0, }; enum { PROP_PLACEHOLDER_TEXT = 1, PROP_ACTIVATES_DEFAULT, PROP_SHOW_PEEK_ICON, PROP_EXTRA_MENU, NUM_PROPERTIES }; static GParamSpec *props[NUM_PROPERTIES] = { NULL, }; static void gtk_password_entry_editable_init (GtkEditableInterface *iface); static void gtk_password_entry_accessible_init (GtkAccessibleInterface *iface); G_DEFINE_TYPE_WITH_CODE (GtkPasswordEntry, gtk_password_entry, GTK_TYPE_WIDGET, G_IMPLEMENT_INTERFACE (GTK_TYPE_ACCESSIBLE, gtk_password_entry_accessible_init) G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE, gtk_password_entry_editable_init)) static void caps_lock_state_changed (GdkDevice *device, GParamSpec *pspec, GtkWidget *widget) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (widget); gtk_widget_set_visible (entry->icon, gtk_editable_get_editable (GTK_EDITABLE (entry)) && gtk_widget_has_focus (entry->entry) && !gtk_text_get_visibility (GTK_TEXT (entry->entry)) && gdk_device_get_caps_lock_state (device)); } static void focus_changed (GtkWidget *widget) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (widget); if (entry->keyboard) caps_lock_state_changed (entry->keyboard, NULL, widget); } static void gtk_password_entry_icon_press (GtkGesture *gesture) { gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_CLAIMED); } /*< private > * gtk_password_entry_toggle_peek: * @entry: a `GtkPasswordEntry` * * Toggles the text visibility. */ void gtk_password_entry_toggle_peek (GtkPasswordEntry *entry) { gboolean visibility; visibility = gtk_text_get_visibility (GTK_TEXT (entry->entry)); gtk_text_set_visibility (GTK_TEXT (entry->entry), !visibility); } static void visibility_toggled (GObject *object, GParamSpec *pspec, GtkPasswordEntry *entry) { if (gtk_text_get_visibility (GTK_TEXT (entry->entry))) { gtk_image_set_from_icon_name (GTK_IMAGE (entry->peek_icon), "view-conceal-symbolic"); gtk_widget_set_tooltip_text (entry->peek_icon, _("Hide Text")); } else { gtk_image_set_from_icon_name (GTK_IMAGE (entry->peek_icon), "view-reveal-symbolic"); gtk_widget_set_tooltip_text (entry->peek_icon, _("Show Text")); } if (entry->keyboard) caps_lock_state_changed (entry->keyboard, NULL, GTK_WIDGET (entry)); } static void activate_cb (GtkPasswordEntry *entry) { g_signal_emit (entry, signals[ACTIVATE], 0); } static void catchall_click_press (GtkGestureClick *gesture, int n_press, double x, double y, gpointer user_data) { gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED); } static void gtk_password_entry_init (GtkPasswordEntry *entry) { GtkGesture *catchall; GtkEntryBuffer *buffer = gtk_password_entry_buffer_new (); entry->entry = gtk_text_new (); gtk_text_set_buffer (GTK_TEXT (entry->entry), buffer); gtk_text_set_visibility (GTK_TEXT (entry->entry), FALSE); gtk_text_set_input_purpose (GTK_TEXT (entry->entry), GTK_INPUT_PURPOSE_PASSWORD); gtk_widget_set_parent (entry->entry, GTK_WIDGET (entry)); gtk_editable_init_delegate (GTK_EDITABLE (entry)); g_signal_connect_swapped (entry->entry, "notify::has-focus", G_CALLBACK (focus_changed), entry); g_signal_connect_swapped (entry->entry, "activate", G_CALLBACK (activate_cb), entry); entry->icon = g_object_new (GTK_TYPE_IMAGE, "icon-name", "caps-lock-symbolic", "accessible-role", GTK_ACCESSIBLE_ROLE_ALERT, NULL); gtk_widget_set_tooltip_text (entry->icon, _("Caps Lock is on")); gtk_widget_add_css_class (entry->icon, "caps-lock-indicator"); gtk_widget_set_cursor (entry->icon, gtk_widget_get_cursor (entry->entry)); gtk_widget_set_parent (entry->icon, GTK_WIDGET (entry)); catchall = gtk_gesture_click_new (); g_signal_connect (catchall, "pressed", G_CALLBACK (catchall_click_press), entry); gtk_widget_add_controller (GTK_WIDGET (entry), GTK_EVENT_CONTROLLER (catchall)); gtk_widget_add_css_class (GTK_WIDGET (entry), I_("password")); gtk_password_entry_set_extra_menu (entry, NULL); /* Transfer ownership to the GtkText widget */ g_object_unref (buffer); gtk_accessible_update_property (GTK_ACCESSIBLE (entry), GTK_ACCESSIBLE_PROPERTY_HAS_POPUP, TRUE, -1); } static void gtk_password_entry_realize (GtkWidget *widget) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (widget); GdkSeat *seat; GTK_WIDGET_CLASS (gtk_password_entry_parent_class)->realize (widget); seat = gdk_display_get_default_seat (gtk_widget_get_display (widget)); if (seat) entry->keyboard = gdk_seat_get_keyboard (seat); if (entry->keyboard) { g_signal_connect (entry->keyboard, "notify::caps-lock-state", G_CALLBACK (caps_lock_state_changed), entry); caps_lock_state_changed (entry->keyboard, NULL, widget); } } static void gtk_password_entry_unrealize (GtkWidget *widget) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (widget); if (entry->keyboard) { g_signal_handlers_disconnect_by_func (entry->keyboard, caps_lock_state_changed, entry); entry->keyboard = NULL; } GTK_WIDGET_CLASS (gtk_password_entry_parent_class)->unrealize (widget); } static void gtk_password_entry_dispose (GObject *object) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (object); if (entry->entry) gtk_editable_finish_delegate (GTK_EDITABLE (entry)); g_clear_pointer (&entry->entry, gtk_widget_unparent); g_clear_pointer (&entry->icon, gtk_widget_unparent); g_clear_pointer (&entry->peek_icon, gtk_widget_unparent); g_clear_object (&entry->extra_menu); G_OBJECT_CLASS (gtk_password_entry_parent_class)->dispose (object); } static void gtk_password_entry_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (object); const char *text; if (gtk_editable_delegate_set_property (object, prop_id, value, pspec)) { if (prop_id == NUM_PROPERTIES + GTK_EDITABLE_PROP_EDITABLE) { gtk_accessible_update_property (GTK_ACCESSIBLE (entry), GTK_ACCESSIBLE_PROPERTY_READ_ONLY, !g_value_get_boolean (value), -1); } return; } switch (prop_id) { case PROP_PLACEHOLDER_TEXT: text = g_value_get_string (value); gtk_text_set_placeholder_text (GTK_TEXT (entry->entry), text); gtk_accessible_update_property (GTK_ACCESSIBLE (entry), GTK_ACCESSIBLE_PROPERTY_PLACEHOLDER, text, -1); break; case PROP_ACTIVATES_DEFAULT: if (gtk_text_get_activates_default (GTK_TEXT (entry->entry)) != g_value_get_boolean (value)) { gtk_text_set_activates_default (GTK_TEXT (entry->entry), g_value_get_boolean (value)); g_object_notify_by_pspec (object, pspec); } break; case PROP_SHOW_PEEK_ICON: gtk_password_entry_set_show_peek_icon (entry, g_value_get_boolean (value)); break; case PROP_EXTRA_MENU: gtk_password_entry_set_extra_menu (entry, g_value_get_object (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_password_entry_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (object); if (gtk_editable_delegate_get_property (object, prop_id, value, pspec)) return; switch (prop_id) { case PROP_PLACEHOLDER_TEXT: g_value_set_string (value, gtk_text_get_placeholder_text (GTK_TEXT (entry->entry))); break; case PROP_ACTIVATES_DEFAULT: g_value_set_boolean (value, gtk_text_get_activates_default (GTK_TEXT (entry->entry))); break; case PROP_SHOW_PEEK_ICON: g_value_set_boolean (value, gtk_password_entry_get_show_peek_icon (entry)); break; case PROP_EXTRA_MENU: g_value_set_object (value, entry->extra_menu); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_password_entry_measure (GtkWidget *widget, GtkOrientation orientation, int for_size, int *minimum, int *natural, int *minimum_baseline, int *natural_baseline) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (widget); int icon_min = 0, icon_nat = 0; gtk_widget_measure (entry->entry, orientation, for_size, minimum, natural, minimum_baseline, natural_baseline); if (entry->icon && gtk_widget_get_visible (entry->icon)) gtk_widget_measure (entry->icon, orientation, for_size, &icon_min, &icon_nat, NULL, NULL); if (entry->peek_icon && gtk_widget_get_visible (entry->peek_icon)) gtk_widget_measure (entry->peek_icon, orientation, for_size, &icon_min, &icon_nat, NULL, NULL); } static void gtk_password_entry_size_allocate (GtkWidget *widget, int width, int height, int baseline) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (widget); GtkCssStyle *style = gtk_css_node_get_style (gtk_widget_get_css_node (widget)); int icon_min = 0, icon_nat = 0; int peek_min = 0, peek_nat = 0; int text_width; int spacing; spacing = _gtk_css_position_value_get_x (style->size->border_spacing, 100); if (entry->icon && gtk_widget_get_visible (entry->icon)) gtk_widget_measure (entry->icon, GTK_ORIENTATION_HORIZONTAL, -1, &icon_min, &icon_nat, NULL, NULL); if (entry->peek_icon && gtk_widget_get_visible (entry->peek_icon)) gtk_widget_measure (entry->peek_icon, GTK_ORIENTATION_HORIZONTAL, -1, &peek_min, &peek_nat, NULL, NULL); text_width = width - (icon_nat + (icon_nat > 0 ? spacing : 0)) - (peek_nat + (peek_nat > 0 ? spacing : 0)); gtk_widget_size_allocate (entry->entry, &(GtkAllocation) { 0, 0, text_width, height }, baseline); if (entry->icon && gtk_widget_get_visible (entry->icon)) gtk_widget_size_allocate (entry->icon, &(GtkAllocation) { text_width + spacing, 0, icon_nat, height }, baseline); if (entry->peek_icon && gtk_widget_get_visible (entry->peek_icon)) gtk_widget_size_allocate (entry->peek_icon, &(GtkAllocation) { text_width + spacing + icon_nat + (icon_nat > 0 ? spacing : 0), 0, peek_nat, height }, baseline); } static gboolean gtk_password_entry_mnemonic_activate (GtkWidget *widget, gboolean group_cycling) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (widget); gtk_widget_grab_focus (entry->entry); return TRUE; } static void gtk_password_entry_class_init (GtkPasswordEntryClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); object_class->dispose = gtk_password_entry_dispose; object_class->get_property = gtk_password_entry_get_property; object_class->set_property = gtk_password_entry_set_property; widget_class->realize = gtk_password_entry_realize; widget_class->unrealize = gtk_password_entry_unrealize; widget_class->measure = gtk_password_entry_measure; widget_class->size_allocate = gtk_password_entry_size_allocate; widget_class->mnemonic_activate = gtk_password_entry_mnemonic_activate; widget_class->grab_focus = gtk_widget_grab_focus_child; widget_class->focus = gtk_widget_focus_child; /** * GtkPasswordEntry:placeholder-text: * * The text that will be displayed in the `GtkPasswordEntry` * when it is empty and unfocused. */ props[PROP_PLACEHOLDER_TEXT] = g_param_spec_string ("placeholder-text", NULL, NULL, NULL, GTK_PARAM_READWRITE); /** * GtkPasswordEntry:activates-default: * * Whether to activate the default widget when Enter is pressed. */ props[PROP_ACTIVATES_DEFAULT] = g_param_spec_boolean ("activates-default", NULL, NULL, FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); /** * GtkPasswordEntry:show-peek-icon: (attributes org.gtk.Property.get=gtk_password_entry_get_show_peek_icon org.gtk.Property.set=gtk_password_entry_set_show_peek_icon) * * Whether to show an icon for revealing the content. */ props[PROP_SHOW_PEEK_ICON] = g_param_spec_boolean ("show-peek-icon", NULL, NULL, FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); /** * GtkPasswordEntry:extra-menu: (attributes org.gtk.Property.get=gtk_password_entry_get_extra_menu org.gtk.Property.set=gtk_password_entry_set_extra_menu) * * A menu model whose contents will be appended to * the context menu. */ props[PROP_EXTRA_MENU] = g_param_spec_object ("extra-menu", NULL, NULL, G_TYPE_MENU_MODEL, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY); g_object_class_install_properties (object_class, NUM_PROPERTIES, props); gtk_editable_install_properties (object_class, NUM_PROPERTIES); /** * GtkPasswordEntry::activate: * @self: The widget on which the signal is emitted * * Emitted when the entry is activated. * * The keybindings for this signal are all forms of the Enter key. */ signals[ACTIVATE] = g_signal_new (I_("activate"), G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, 0, NULL, NULL, NULL, G_TYPE_NONE, 0); gtk_widget_class_set_css_name (widget_class, I_("entry")); gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_TEXT_BOX); } static GtkEditable * gtk_password_entry_get_delegate (GtkEditable *editable) { GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (editable); return GTK_EDITABLE (entry->entry); } static void gtk_password_entry_editable_init (GtkEditableInterface *iface) { iface->get_delegate = gtk_password_entry_get_delegate; } static gboolean gtk_password_entry_accessible_get_platform_state (GtkAccessible *self, GtkAccessiblePlatformState state) { return gtk_editable_delegate_get_accessible_platform_state (GTK_EDITABLE (self), state); } static void gtk_password_entry_accessible_init (GtkAccessibleInterface *iface) { GtkAccessibleInterface *parent_iface = g_type_interface_peek_parent (iface); iface->get_at_context = parent_iface->get_at_context; iface->get_platform_state = gtk_password_entry_accessible_get_platform_state; } /*< private > * gtk_password_entry_get_text_widget * @entry: a `GtkPasswordEntry` * * Retrieves the `GtkText` delegate of the `GtkPasswordEntry`. * * Returns: (transfer none): the `GtkText` delegate widget */ GtkText * gtk_password_entry_get_text_widget (GtkPasswordEntry *entry) { g_return_val_if_fail (GTK_IS_PASSWORD_ENTRY (entry), NULL); return GTK_TEXT (entry->entry); } /** * gtk_password_entry_new: * * Creates a `GtkPasswordEntry`. * * Returns: a new `GtkPasswordEntry` */ GtkWidget * gtk_password_entry_new (void) { return GTK_WIDGET (g_object_new (GTK_TYPE_PASSWORD_ENTRY, NULL)); } /** * gtk_password_entry_set_show_peek_icon: (attributes org.gtk.Method.set_property=show-peek-icon) * @entry: a `GtkPasswordEntry` * @show_peek_icon: whether to show the peek icon * * Sets whether the entry should have a clickable icon * to reveal the contents. * * Setting this to %FALSE also hides the text again. */ void gtk_password_entry_set_show_peek_icon (GtkPasswordEntry *entry, gboolean show_peek_icon) { g_return_if_fail (GTK_IS_PASSWORD_ENTRY (entry)); show_peek_icon = !!show_peek_icon; if (show_peek_icon == (entry->peek_icon != NULL)) return; if (show_peek_icon) { GtkGesture *press; entry->peek_icon = gtk_image_new_from_icon_name ("view-reveal-symbolic"); gtk_widget_set_tooltip_text (entry->peek_icon, _("Show Text")); gtk_widget_set_parent (entry->peek_icon, GTK_WIDGET (entry)); press = gtk_gesture_click_new (); g_signal_connect (press, "pressed", G_CALLBACK (gtk_password_entry_icon_press), entry); g_signal_connect_swapped (press, "released", G_CALLBACK (gtk_password_entry_toggle_peek), entry); gtk_widget_add_controller (entry->peek_icon, GTK_EVENT_CONTROLLER (press)); g_signal_connect (entry->entry, "notify::visibility", G_CALLBACK (visibility_toggled), entry); visibility_toggled (G_OBJECT (entry->entry), NULL, entry); } else { g_clear_pointer (&entry->peek_icon, gtk_widget_unparent); gtk_text_set_visibility (GTK_TEXT (entry->entry), FALSE); g_signal_handlers_disconnect_by_func (entry->entry, visibility_toggled, entry); } if (entry->keyboard) caps_lock_state_changed (entry->keyboard, NULL, GTK_WIDGET (entry)); g_object_notify_by_pspec (G_OBJECT (entry), props[PROP_SHOW_PEEK_ICON]); } /** * gtk_password_entry_get_show_peek_icon: (attributes org.gtk.Method.get_property=show-peek-icon) * @entry: a `GtkPasswordEntry` * * Returns whether the entry is showing an icon to * reveal the contents. * * Returns: %TRUE if an icon is shown */ gboolean gtk_password_entry_get_show_peek_icon (GtkPasswordEntry *entry) { g_return_val_if_fail (GTK_IS_PASSWORD_ENTRY (entry), FALSE); return entry->peek_icon != NULL; } /** * gtk_password_entry_set_extra_menu: (attributes org.gtk.Method.set_property=extra-menu) * @entry: a `GtkPasswordEntry` * @model: (nullable): a `GMenuModel` * * Sets a menu model to add when constructing * the context menu for @entry. */ void gtk_password_entry_set_extra_menu (GtkPasswordEntry *entry, GMenuModel *model) { GtkJoinedMenu *joined; GMenu *menu; GMenu *section; GMenuItem *item; g_return_if_fail (GTK_IS_PASSWORD_ENTRY (entry)); /* bypass this check for the initial call from init */ if (entry->extra_menu) { if (!g_set_object (&entry->extra_menu, model)) return; } joined = gtk_joined_menu_new (); menu = g_menu_new (); section = g_menu_new (); item = g_menu_item_new (_("_Show Text"), "misc.toggle-visibility"); g_menu_item_set_attribute (item, "touch-icon", "s", "view-reveal-symbolic"); g_menu_append_item (section, item); g_object_unref (item); g_menu_append_section (menu, NULL, G_MENU_MODEL (section)); g_object_unref (section); gtk_joined_menu_append_menu (joined, G_MENU_MODEL (menu)); g_object_unref (menu); if (model) gtk_joined_menu_append_menu (joined, model); gtk_text_set_extra_menu (GTK_TEXT (entry->entry), G_MENU_MODEL (joined)); g_object_unref (joined); g_object_notify_by_pspec (G_OBJECT (entry), props[PROP_EXTRA_MENU]); } /** * gtk_password_entry_get_extra_menu: (attributes org.gtk.Method.get_property=extra-menu) * @entry: a `GtkPasswordEntry` * * Gets the menu model set with gtk_password_entry_set_extra_menu(). * * Returns: (transfer none) (nullable): the menu model */ GMenuModel * gtk_password_entry_get_extra_menu (GtkPasswordEntry *entry) { return entry->extra_menu; }