/*************************************************************************/ /* spin_box.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "spin_box.h" #include "core/input/input.h" #include "core/math/expression.h" Size2 SpinBox::get_minimum_size() const { Size2 ms = line_edit->get_combined_minimum_size(); ms.width += last_w; return ms; } void SpinBox::_value_changed(double) { String value = TS->format_number(String::num(get_value(), Math::range_step_decimals(get_step()))); if (prefix != "") { value = prefix + " " + value; } if (suffix != "") { value += " " + suffix; } line_edit->set_text(value); } void SpinBox::_text_submitted(const String &p_string) { Ref expr; expr.instantiate(); String num = TS->parse_number(p_string); // Ignore the prefix and suffix in the expression Error err = expr->parse(num.trim_prefix(prefix + " ").trim_suffix(" " + suffix)); if (err != OK) { return; } Variant value = expr->execute(Array(), nullptr, false); if (value.get_type() != Variant::NIL) { set_value(value); } _value_changed(0); } void SpinBox::_text_changed(const String &p_string) { int cursor_pos = line_edit->get_caret_column(); _text_submitted(p_string); // Line edit 'set_text' method resets the cursor position so we need to undo that. line_edit->set_caret_column(cursor_pos); } LineEdit *SpinBox::get_line_edit() { return line_edit; } void SpinBox::_line_edit_input(const Ref &p_event) { } void SpinBox::_range_click_timeout() { if (!drag.enabled && Input::get_singleton()->is_mouse_button_pressed(MouseButton::LEFT)) { bool up = get_local_mouse_position().y < (get_size().height / 2); set_value(get_value() + (up ? get_step() : -get_step())); if (range_click_timer->is_one_shot()) { range_click_timer->set_wait_time(0.075); range_click_timer->set_one_shot(false); range_click_timer->start(); } } else { range_click_timer->stop(); } } void SpinBox::_release_mouse() { if (drag.enabled) { drag.enabled = false; Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE); warp_mouse(drag.capture_pos); } } void SpinBox::gui_input(const Ref &p_event) { ERR_FAIL_COND(p_event.is_null()); if (!is_editable()) { return; } Ref mb = p_event; if (mb.is_valid() && mb->is_pressed()) { bool up = mb->get_position().y < (get_size().height / 2); switch (mb->get_button_index()) { case MouseButton::LEFT: { line_edit->grab_focus(); set_value(get_value() + (up ? get_step() : -get_step())); range_click_timer->set_wait_time(0.6); range_click_timer->set_one_shot(true); range_click_timer->start(); drag.allowed = true; drag.capture_pos = mb->get_position(); } break; case MouseButton::RIGHT: { line_edit->grab_focus(); set_value((up ? get_max() : get_min())); } break; case MouseButton::WHEEL_UP: { if (line_edit->has_focus()) { set_value(get_value() + get_step() * mb->get_factor()); accept_event(); } } break; case MouseButton::WHEEL_DOWN: { if (line_edit->has_focus()) { set_value(get_value() - get_step() * mb->get_factor()); accept_event(); } } break; default: break; } } if (mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) { //set_default_cursor_shape(CURSOR_ARROW); range_click_timer->stop(); _release_mouse(); drag.allowed = false; } Ref mm = p_event; if (mm.is_valid() && (mm->get_button_mask() & MouseButton::MASK_LEFT) != MouseButton::NONE) { if (drag.enabled) { drag.diff_y += mm->get_relative().y; float diff_y = -0.01 * Math::pow(ABS(drag.diff_y), 1.8f) * SIGN(drag.diff_y); set_value(CLAMP(drag.base_val + get_step() * diff_y, get_min(), get_max())); } else if (drag.allowed && drag.capture_pos.distance_to(mm->get_position()) > 2) { Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED); drag.enabled = true; drag.base_val = get_value(); drag.diff_y = 0; } } } void SpinBox::_line_edit_focus_exit() { // discontinue because the focus_exit was caused by right-click context menu if (line_edit->is_menu_visible()) { return; } _text_submitted(line_edit->get_text()); } inline void SpinBox::_adjust_width_for_icon(const Ref &icon) { int w = icon->get_width(); if ((w != last_w)) { line_edit->set_offset(SIDE_LEFT, 0); line_edit->set_offset(SIDE_RIGHT, -w); last_w = w; } } void SpinBox::_notification(int p_what) { if (p_what == NOTIFICATION_DRAW) { Ref updown = get_theme_icon(SNAME("updown")); _adjust_width_for_icon(updown); RID ci = get_canvas_item(); Size2i size = get_size(); if (is_layout_rtl()) { updown->draw(ci, Point2i(0, (size.height - updown->get_height()) / 2)); } else { updown->draw(ci, Point2i(size.width - updown->get_width(), (size.height - updown->get_height()) / 2)); } } else if (p_what == NOTIFICATION_FOCUS_EXIT) { //_value_changed(0); } else if (p_what == NOTIFICATION_ENTER_TREE) { _adjust_width_for_icon(get_theme_icon(SNAME("updown"))); _value_changed(0); } else if (p_what == NOTIFICATION_EXIT_TREE) { _release_mouse(); } else if (p_what == NOTIFICATION_TRANSLATION_CHANGED) { _value_changed(0); } else if (p_what == NOTIFICATION_THEME_CHANGED) { call_deferred(SNAME("update_minimum_size")); get_line_edit()->call_deferred(SNAME("update_minimum_size")); } else if (p_what == NOTIFICATION_LAYOUT_DIRECTION_CHANGED || p_what == NOTIFICATION_TRANSLATION_CHANGED) { update(); } } void SpinBox::set_horizontal_alignment(HorizontalAlignment p_alignment) { line_edit->set_horizontal_alignment(p_alignment); } HorizontalAlignment SpinBox::get_horizontal_alignment() const { return line_edit->get_horizontal_alignment(); } void SpinBox::set_suffix(const String &p_suffix) { suffix = p_suffix; _value_changed(0); } String SpinBox::get_suffix() const { return suffix; } void SpinBox::set_prefix(const String &p_prefix) { prefix = p_prefix; _value_changed(0); } String SpinBox::get_prefix() const { return prefix; } void SpinBox::set_update_on_text_changed(bool p_enabled) { if (update_on_text_changed == p_enabled) { return; } update_on_text_changed = p_enabled; if (p_enabled) { line_edit->connect("text_changed", callable_mp(this, &SpinBox::_text_changed), Vector(), CONNECT_DEFERRED); } else { line_edit->disconnect("text_changed", callable_mp(this, &SpinBox::_text_changed)); } } bool SpinBox::get_update_on_text_changed() const { return update_on_text_changed; } void SpinBox::set_editable(bool p_enabled) { line_edit->set_editable(p_enabled); } bool SpinBox::is_editable() const { return line_edit->is_editable(); } void SpinBox::apply() { _text_submitted(line_edit->get_text()); } void SpinBox::_bind_methods() { ClassDB::bind_method(D_METHOD("set_horizontal_alignment", "alignment"), &SpinBox::set_horizontal_alignment); ClassDB::bind_method(D_METHOD("get_horizontal_alignment"), &SpinBox::get_horizontal_alignment); ClassDB::bind_method(D_METHOD("set_suffix", "suffix"), &SpinBox::set_suffix); ClassDB::bind_method(D_METHOD("get_suffix"), &SpinBox::get_suffix); ClassDB::bind_method(D_METHOD("set_prefix", "prefix"), &SpinBox::set_prefix); ClassDB::bind_method(D_METHOD("get_prefix"), &SpinBox::get_prefix); ClassDB::bind_method(D_METHOD("set_editable", "enabled"), &SpinBox::set_editable); ClassDB::bind_method(D_METHOD("is_editable"), &SpinBox::is_editable); ClassDB::bind_method(D_METHOD("set_update_on_text_changed", "enabled"), &SpinBox::set_update_on_text_changed); ClassDB::bind_method(D_METHOD("get_update_on_text_changed"), &SpinBox::get_update_on_text_changed); ClassDB::bind_method(D_METHOD("apply"), &SpinBox::apply); ClassDB::bind_method(D_METHOD("get_line_edit"), &SpinBox::get_line_edit); ADD_PROPERTY(PropertyInfo(Variant::INT, "alignment", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_horizontal_alignment", "get_horizontal_alignment"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editable"), "set_editable", "is_editable"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "update_on_text_changed"), "set_update_on_text_changed", "get_update_on_text_changed"); ADD_PROPERTY(PropertyInfo(Variant::STRING, "prefix"), "set_prefix", "get_prefix"); ADD_PROPERTY(PropertyInfo(Variant::STRING, "suffix"), "set_suffix", "get_suffix"); } SpinBox::SpinBox() { line_edit = memnew(LineEdit); add_child(line_edit, false, INTERNAL_MODE_FRONT); line_edit->set_anchors_and_offsets_preset(Control::PRESET_WIDE); line_edit->set_mouse_filter(MOUSE_FILTER_PASS); line_edit->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_LEFT); line_edit->connect("text_submitted", callable_mp(this, &SpinBox::_text_submitted), Vector(), CONNECT_DEFERRED); line_edit->connect("focus_exited", callable_mp(this, &SpinBox::_line_edit_focus_exit), Vector(), CONNECT_DEFERRED); line_edit->connect("gui_input", callable_mp(this, &SpinBox::_line_edit_input)); range_click_timer = memnew(Timer); range_click_timer->connect("timeout", callable_mp(this, &SpinBox::_range_click_timeout)); add_child(range_click_timer, false, INTERNAL_MODE_FRONT); }