mirror of
https://github.com/godotengine/godot
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132 lines
5.2 KiB
C++
132 lines
5.2 KiB
C++
/*************************************************************************/
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/* event_listener_line_edit.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "editor/event_listener_line_edit.h"
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bool EventListenerLineEdit::_is_event_allowed(const Ref<InputEvent> &p_event) const {
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const Ref<InputEventMouseButton> mb = p_event;
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const Ref<InputEventKey> k = p_event;
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const Ref<InputEventJoypadButton> jb = p_event;
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const Ref<InputEventJoypadMotion> jm = p_event;
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return (mb.is_valid() && (allowed_input_types & INPUT_MOUSE_BUTTON)) ||
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(k.is_valid() && (allowed_input_types & INPUT_KEY)) ||
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(jb.is_valid() && (allowed_input_types & INPUT_JOY_BUTTON)) ||
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(jm.is_valid() && (allowed_input_types & INPUT_JOY_MOTION));
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}
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void EventListenerLineEdit::gui_input(const Ref<InputEvent> &p_event) {
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const Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
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LineEdit::gui_input(p_event);
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return;
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}
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// Allow mouse button click on the clear button without being treated as an event.
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const Ref<InputEventMouseButton> b = p_event;
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if (b.is_valid() && _is_over_clear_button(b->get_position())) {
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LineEdit::gui_input(p_event);
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return;
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}
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// First event will be an event which is used to focus this control - i.e. a mouse click, or a tab press.
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// Ignore the first one so that clicking into the LineEdit does not override the current event.
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// Ignore is reset to true when the control is unfocused.
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if (ignore) {
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ignore = false;
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return;
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}
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accept_event();
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if (!p_event->is_pressed() || p_event->is_echo() || p_event->is_match(event) || !_is_event_allowed(p_event)) {
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return;
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}
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event = p_event;
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set_text(event->as_text());
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emit_signal("event_changed", event);
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}
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void EventListenerLineEdit::_on_text_changed(const String &p_text) {
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if (p_text.is_empty()) {
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clear_event();
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}
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}
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void EventListenerLineEdit::_on_focus() {
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set_placeholder(TTR("Listening for input..."));
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}
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void EventListenerLineEdit::_on_unfocus() {
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ignore = true;
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set_placeholder(TTR("Filter by event..."));
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}
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Ref<InputEvent> EventListenerLineEdit::get_event() const {
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return event;
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}
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void EventListenerLineEdit::clear_event() {
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if (event.is_valid()) {
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event = Ref<InputEvent>();
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set_text("");
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emit_signal("event_changed", event);
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}
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}
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void EventListenerLineEdit::set_allowed_input_types(int input_types) {
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allowed_input_types = input_types;
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}
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int EventListenerLineEdit::get_allowed_input_types() const {
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return allowed_input_types;
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}
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void EventListenerLineEdit::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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connect("text_changed", callable_mp(this, &EventListenerLineEdit::_on_text_changed));
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connect("focus_entered", callable_mp(this, &EventListenerLineEdit::_on_focus));
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connect("focus_exited", callable_mp(this, &EventListenerLineEdit::_on_unfocus));
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set_right_icon(get_theme_icon(SNAME("Keyboard"), SNAME("EditorIcons")));
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set_clear_button_enabled(true);
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} break;
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}
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}
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void EventListenerLineEdit::_bind_methods() {
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ADD_SIGNAL(MethodInfo("event_changed", PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent")));
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}
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EventListenerLineEdit::EventListenerLineEdit() {
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set_caret_blink_enabled(false);
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set_placeholder(TTR("Filter by event..."));
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}
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