397 lines
13 KiB
C++
397 lines
13 KiB
C++
/**************************************************************************/
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/* spin_box.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "spin_box.h"
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#include "core/input/input.h"
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#include "core/math/expression.h"
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Size2 SpinBox::get_minimum_size() const {
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Size2 ms = line_edit->get_combined_minimum_size();
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ms.width += last_w;
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return ms;
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}
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void SpinBox::_update_text() {
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String value = String::num(get_value(), Math::range_step_decimals(get_step()));
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if (is_localizing_numeral_system()) {
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value = TS->format_number(value);
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}
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if (!line_edit->has_focus()) {
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if (!prefix.is_empty()) {
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value = prefix + " " + value;
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}
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if (!suffix.is_empty()) {
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value += " " + suffix;
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}
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}
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line_edit->set_text_with_selection(value);
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}
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void SpinBox::_text_submitted(const String &p_string) {
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Ref<Expression> expr;
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expr.instantiate();
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String num = TS->parse_number(p_string);
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// Ignore the prefix and suffix in the expression.
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Error err = expr->parse(num.trim_prefix(prefix + " ").trim_suffix(" " + suffix));
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if (err != OK) {
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_update_text();
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return;
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}
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Variant value = expr->execute(Array(), nullptr, false, true);
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if (value.get_type() != Variant::NIL) {
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set_value(value);
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}
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_update_text();
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}
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void SpinBox::_text_changed(const String &p_string) {
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int cursor_pos = line_edit->get_caret_column();
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_text_submitted(p_string);
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// Line edit 'set_text' method resets the cursor position so we need to undo that.
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line_edit->set_caret_column(cursor_pos);
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}
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LineEdit *SpinBox::get_line_edit() {
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return line_edit;
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}
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void SpinBox::_line_edit_input(const Ref<InputEvent> &p_event) {
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}
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void SpinBox::_range_click_timeout() {
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if (!drag.enabled && Input::get_singleton()->is_mouse_button_pressed(MouseButton::LEFT)) {
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bool up = get_local_mouse_position().y < (get_size().height / 2);
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double step = get_custom_arrow_step() != 0.0 ? get_custom_arrow_step() : get_step();
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set_value(get_value() + (up ? step : -step));
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if (range_click_timer->is_one_shot()) {
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range_click_timer->set_wait_time(0.075);
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range_click_timer->set_one_shot(false);
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range_click_timer->start();
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}
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} else {
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range_click_timer->stop();
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}
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}
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void SpinBox::_release_mouse() {
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if (drag.enabled) {
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drag.enabled = false;
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Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_HIDDEN);
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warp_mouse(drag.capture_pos);
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Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
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}
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}
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void SpinBox::gui_input(const Ref<InputEvent> &p_event) {
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ERR_FAIL_COND(p_event.is_null());
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if (!is_editable()) {
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return;
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}
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Ref<InputEventMouseButton> mb = p_event;
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double step = get_custom_arrow_step() != 0.0 ? get_custom_arrow_step() : get_step();
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if (mb.is_valid() && mb->is_pressed()) {
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bool up = mb->get_position().y < (get_size().height / 2);
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switch (mb->get_button_index()) {
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case MouseButton::LEFT: {
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line_edit->grab_focus();
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set_value(get_value() + (up ? step : -step));
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range_click_timer->set_wait_time(0.6);
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range_click_timer->set_one_shot(true);
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range_click_timer->start();
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drag.allowed = true;
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drag.capture_pos = mb->get_position();
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} break;
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case MouseButton::RIGHT: {
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line_edit->grab_focus();
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set_value((up ? get_max() : get_min()));
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} break;
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case MouseButton::WHEEL_UP: {
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if (line_edit->has_focus()) {
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set_value(get_value() + step * mb->get_factor());
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accept_event();
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}
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} break;
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case MouseButton::WHEEL_DOWN: {
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if (line_edit->has_focus()) {
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set_value(get_value() - step * mb->get_factor());
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accept_event();
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}
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} break;
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default:
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break;
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}
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}
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if (mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
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//set_default_cursor_shape(CURSOR_ARROW);
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range_click_timer->stop();
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_release_mouse();
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drag.allowed = false;
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line_edit->clear_pending_select_all_on_focus();
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}
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Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid() && (mm->get_button_mask().has_flag(MouseButtonMask::LEFT))) {
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if (drag.enabled) {
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drag.diff_y += mm->get_relative().y;
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double diff_y = -0.01 * Math::pow(ABS(drag.diff_y), 1.8) * SIGN(drag.diff_y);
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set_value(CLAMP(drag.base_val + step * diff_y, get_min(), get_max()));
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} else if (drag.allowed && drag.capture_pos.distance_to(mm->get_position()) > 2) {
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Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
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drag.enabled = true;
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drag.base_val = get_value();
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drag.diff_y = 0;
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}
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}
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}
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void SpinBox::_line_edit_focus_enter() {
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int col = line_edit->get_caret_column();
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_update_text();
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line_edit->set_caret_column(col);
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// LineEdit text might change and it clears any selection. Have to re-select here.
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if (line_edit->is_select_all_on_focus() && !Input::get_singleton()->is_mouse_button_pressed(MouseButton::LEFT)) {
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line_edit->select_all();
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}
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}
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void SpinBox::_line_edit_focus_exit() {
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// Discontinue because the focus_exit was caused by left-clicking the arrows.
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const Viewport *viewport = get_viewport();
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if (!viewport || viewport->gui_get_focus_owner() == get_line_edit()) {
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return;
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}
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// Discontinue because the focus_exit was caused by right-click context menu.
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if (line_edit->is_menu_visible()) {
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return;
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}
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_text_submitted(line_edit->get_text());
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}
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inline void SpinBox::_adjust_width_for_icon(const Ref<Texture2D> &icon) {
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int w = icon->get_width();
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if ((w != last_w)) {
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line_edit->set_offset(SIDE_LEFT, 0);
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line_edit->set_offset(SIDE_RIGHT, -w);
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last_w = w;
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}
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}
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void SpinBox::_update_theme_item_cache() {
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Range::_update_theme_item_cache();
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theme_cache.updown_icon = get_theme_icon(SNAME("updown"));
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}
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void SpinBox::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_DRAW: {
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_update_text();
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_adjust_width_for_icon(theme_cache.updown_icon);
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RID ci = get_canvas_item();
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Size2i size = get_size();
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if (is_layout_rtl()) {
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theme_cache.updown_icon->draw(ci, Point2i(0, (size.height - theme_cache.updown_icon->get_height()) / 2));
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} else {
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theme_cache.updown_icon->draw(ci, Point2i(size.width - theme_cache.updown_icon->get_width(), (size.height - theme_cache.updown_icon->get_height()) / 2));
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}
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} break;
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case NOTIFICATION_ENTER_TREE: {
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_adjust_width_for_icon(theme_cache.updown_icon);
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_update_text();
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} break;
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case NOTIFICATION_EXIT_TREE: {
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_release_mouse();
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} break;
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case NOTIFICATION_TRANSLATION_CHANGED: {
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queue_redraw();
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} break;
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case NOTIFICATION_THEME_CHANGED: {
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call_deferred(SNAME("update_minimum_size"));
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get_line_edit()->call_deferred(SNAME("update_minimum_size"));
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} break;
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case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: {
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queue_redraw();
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} break;
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}
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}
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void SpinBox::set_horizontal_alignment(HorizontalAlignment p_alignment) {
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line_edit->set_horizontal_alignment(p_alignment);
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}
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HorizontalAlignment SpinBox::get_horizontal_alignment() const {
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return line_edit->get_horizontal_alignment();
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}
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void SpinBox::set_suffix(const String &p_suffix) {
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if (suffix == p_suffix) {
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return;
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}
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suffix = p_suffix;
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_update_text();
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}
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String SpinBox::get_suffix() const {
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return suffix;
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}
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void SpinBox::set_prefix(const String &p_prefix) {
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if (prefix == p_prefix) {
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return;
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}
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prefix = p_prefix;
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_update_text();
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}
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String SpinBox::get_prefix() const {
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return prefix;
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}
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void SpinBox::set_update_on_text_changed(bool p_enabled) {
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if (update_on_text_changed == p_enabled) {
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return;
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}
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update_on_text_changed = p_enabled;
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if (p_enabled) {
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line_edit->connect("text_changed", callable_mp(this, &SpinBox::_text_changed), CONNECT_DEFERRED);
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} else {
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line_edit->disconnect("text_changed", callable_mp(this, &SpinBox::_text_changed));
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}
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}
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bool SpinBox::get_update_on_text_changed() const {
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return update_on_text_changed;
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}
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void SpinBox::set_select_all_on_focus(bool p_enabled) {
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line_edit->set_select_all_on_focus(p_enabled);
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}
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bool SpinBox::is_select_all_on_focus() const {
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return line_edit->is_select_all_on_focus();
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}
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void SpinBox::set_editable(bool p_enabled) {
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line_edit->set_editable(p_enabled);
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}
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bool SpinBox::is_editable() const {
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return line_edit->is_editable();
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}
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void SpinBox::apply() {
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_text_submitted(line_edit->get_text());
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}
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void SpinBox::set_custom_arrow_step(double p_custom_arrow_step) {
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custom_arrow_step = p_custom_arrow_step;
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}
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double SpinBox::get_custom_arrow_step() const {
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return custom_arrow_step;
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}
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void SpinBox::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_horizontal_alignment", "alignment"), &SpinBox::set_horizontal_alignment);
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ClassDB::bind_method(D_METHOD("get_horizontal_alignment"), &SpinBox::get_horizontal_alignment);
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ClassDB::bind_method(D_METHOD("set_suffix", "suffix"), &SpinBox::set_suffix);
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ClassDB::bind_method(D_METHOD("get_suffix"), &SpinBox::get_suffix);
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ClassDB::bind_method(D_METHOD("set_prefix", "prefix"), &SpinBox::set_prefix);
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ClassDB::bind_method(D_METHOD("get_prefix"), &SpinBox::get_prefix);
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ClassDB::bind_method(D_METHOD("set_editable", "enabled"), &SpinBox::set_editable);
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ClassDB::bind_method(D_METHOD("set_custom_arrow_step", "arrow_step"), &SpinBox::set_custom_arrow_step);
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ClassDB::bind_method(D_METHOD("get_custom_arrow_step"), &SpinBox::get_custom_arrow_step);
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ClassDB::bind_method(D_METHOD("is_editable"), &SpinBox::is_editable);
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ClassDB::bind_method(D_METHOD("set_update_on_text_changed", "enabled"), &SpinBox::set_update_on_text_changed);
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ClassDB::bind_method(D_METHOD("get_update_on_text_changed"), &SpinBox::get_update_on_text_changed);
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ClassDB::bind_method(D_METHOD("set_select_all_on_focus", "enabled"), &SpinBox::set_select_all_on_focus);
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ClassDB::bind_method(D_METHOD("is_select_all_on_focus"), &SpinBox::is_select_all_on_focus);
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ClassDB::bind_method(D_METHOD("apply"), &SpinBox::apply);
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ClassDB::bind_method(D_METHOD("get_line_edit"), &SpinBox::get_line_edit);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "alignment", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_horizontal_alignment", "get_horizontal_alignment");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editable"), "set_editable", "is_editable");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "update_on_text_changed"), "set_update_on_text_changed", "get_update_on_text_changed");
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "prefix"), "set_prefix", "get_prefix");
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "suffix"), "set_suffix", "get_suffix");
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ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "custom_arrow_step", PROPERTY_HINT_RANGE, "0,10000,0.0001,or_greater"), "set_custom_arrow_step", "get_custom_arrow_step");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "select_all_on_focus"), "set_select_all_on_focus", "is_select_all_on_focus");
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}
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SpinBox::SpinBox() {
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line_edit = memnew(LineEdit);
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add_child(line_edit, false, INTERNAL_MODE_FRONT);
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line_edit->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
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line_edit->set_mouse_filter(MOUSE_FILTER_PASS);
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line_edit->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_LEFT);
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line_edit->connect("text_submitted", callable_mp(this, &SpinBox::_text_submitted), CONNECT_DEFERRED);
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line_edit->connect("focus_entered", callable_mp(this, &SpinBox::_line_edit_focus_enter), CONNECT_DEFERRED);
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line_edit->connect("focus_exited", callable_mp(this, &SpinBox::_line_edit_focus_exit), CONNECT_DEFERRED);
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line_edit->connect("gui_input", callable_mp(this, &SpinBox::_line_edit_input));
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range_click_timer = memnew(Timer);
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range_click_timer->connect("timeout", callable_mp(this, &SpinBox::_range_click_timeout));
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add_child(range_click_timer, false, INTERNAL_MODE_FRONT);
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}
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