/*************************************************************************/ /* touch_screen_button.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2019 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 "touch_screen_button.h" #include "core/input_map.h" #include "core/os/input.h" #include "core/os/os.h" void TouchScreenButton::set_texture(const Ref<Texture> &p_texture) { texture = p_texture; update(); } Ref<Texture> TouchScreenButton::get_texture() const { return texture; } void TouchScreenButton::set_texture_pressed(const Ref<Texture> &p_texture_pressed) { texture_pressed = p_texture_pressed; update(); } Ref<Texture> TouchScreenButton::get_texture_pressed() const { return texture_pressed; } void TouchScreenButton::set_bitmask(const Ref<BitMap> &p_bitmask) { bitmask = p_bitmask; } Ref<BitMap> TouchScreenButton::get_bitmask() const { return bitmask; } void TouchScreenButton::set_shape(const Ref<Shape2D> &p_shape) { if (shape.is_valid()) shape->disconnect("changed", this, "update"); shape = p_shape; if (shape.is_valid()) shape->connect("changed", this, "update"); update(); } Ref<Shape2D> TouchScreenButton::get_shape() const { return shape; } void TouchScreenButton::set_shape_centered(bool p_shape_centered) { shape_centered = p_shape_centered; update(); } bool TouchScreenButton::is_shape_visible() const { return shape_visible; } void TouchScreenButton::set_shape_visible(bool p_shape_visible) { shape_visible = p_shape_visible; update(); } bool TouchScreenButton::is_shape_centered() const { return shape_centered; } void TouchScreenButton::_notification(int p_what) { switch (p_what) { case NOTIFICATION_DRAW: { if (!is_inside_tree()) return; if (!Engine::get_singleton()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility == VISIBILITY_TOUCHSCREEN_ONLY) return; if (finger_pressed != -1) { if (texture_pressed.is_valid()) draw_texture(texture_pressed, Point2()); else if (texture.is_valid()) draw_texture(texture, Point2()); } else { if (texture.is_valid()) draw_texture(texture, Point2()); } if (!shape_visible) return; if (!Engine::get_singleton()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) return; if (shape.is_valid()) { Color draw_col = get_tree()->get_debug_collisions_color(); Vector2 pos = shape_centered ? _edit_get_rect().size * 0.5f : Vector2(); draw_set_transform_matrix(get_canvas_transform().translated(pos)); shape->draw(get_canvas_item(), draw_col); } } break; case NOTIFICATION_ENTER_TREE: { if (!Engine::get_singleton()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility == VISIBILITY_TOUCHSCREEN_ONLY) return; update(); if (!Engine::get_singleton()->is_editor_hint()) set_process_input(is_visible_in_tree()); } break; case NOTIFICATION_EXIT_TREE: { if (is_pressed()) _release(true); } break; case NOTIFICATION_VISIBILITY_CHANGED: { if (Engine::get_singleton()->is_editor_hint()) break; if (is_visible_in_tree()) { set_process_input(true); } else { set_process_input(false); if (is_pressed()) _release(); } } break; case NOTIFICATION_PAUSED: { if (is_pressed()) _release(); } break; } } bool TouchScreenButton::is_pressed() const { return finger_pressed != -1; } void TouchScreenButton::set_action(const String &p_action) { action = p_action; } String TouchScreenButton::get_action() const { return action; } void TouchScreenButton::_input(const Ref<InputEvent> &p_event) { if (!get_tree()) return; if (p_event->get_device() != 0) return; ERR_FAIL_COND(!is_visible_in_tree()); const InputEventScreenTouch *st = Object::cast_to<InputEventScreenTouch>(*p_event); if (passby_press) { const InputEventScreenDrag *sd = Object::cast_to<InputEventScreenDrag>(*p_event); if (st && !st->is_pressed() && finger_pressed == st->get_index()) { _release(); } if ((st && st->is_pressed()) || sd) { int index = st ? st->get_index() : sd->get_index(); Point2 coord = st ? st->get_position() : sd->get_position(); if (finger_pressed == -1 || index == finger_pressed) { if (_is_point_inside(coord)) { if (finger_pressed == -1) { _press(index); } } else { if (finger_pressed != -1) { _release(); } } } } } else { if (st) { if (st->is_pressed()) { const bool can_press = finger_pressed == -1; if (!can_press) return; //already fingering if (_is_point_inside(st->get_position())) { _press(st->get_index()); } } else { if (st->get_index() == finger_pressed) { _release(); } } } } } bool TouchScreenButton::_is_point_inside(const Point2 &p_point) { Point2 coord = (get_global_transform_with_canvas()).affine_inverse().xform(p_point); Rect2 item_rect = _edit_get_rect(); bool touched = false; bool check_rect = true; if (shape.is_valid()) { check_rect = false; Transform2D xform = shape_centered ? Transform2D().translated(item_rect.size * 0.5f) : Transform2D(); touched = shape->collide(xform, unit_rect, Transform2D(0, coord + Vector2(0.5, 0.5))); } if (bitmask.is_valid()) { check_rect = false; if (!touched && Rect2(Point2(), bitmask->get_size()).has_point(coord)) { if (bitmask->get_bit(coord)) touched = true; } } if (!touched && check_rect) { if (texture.is_valid()) touched = item_rect.has_point(coord); } return touched; } void TouchScreenButton::_press(int p_finger_pressed) { finger_pressed = p_finger_pressed; if (action != StringName()) { Input::get_singleton()->action_press(action); Ref<InputEventAction> iea; iea.instance(); iea->set_action(action); iea->set_pressed(true); get_tree()->input_event(iea); } emit_signal("pressed"); update(); } void TouchScreenButton::_release(bool p_exiting_tree) { finger_pressed = -1; if (action != StringName()) { Input::get_singleton()->action_release(action); if (!p_exiting_tree) { Ref<InputEventAction> iea; iea.instance(); iea->set_action(action); iea->set_pressed(false); get_tree()->input_event(iea); } } if (!p_exiting_tree) { emit_signal("released"); update(); } } Rect2 TouchScreenButton::_edit_get_rect() const { if (texture.is_null()) return CanvasItem::_edit_get_rect(); return Rect2(Size2(), texture->get_size()); } bool TouchScreenButton::_edit_use_rect() const { return !texture.is_null(); } Rect2 TouchScreenButton::get_anchorable_rect() const { if (texture.is_null()) return CanvasItem::get_anchorable_rect(); return Rect2(Size2(), texture->get_size()); } void TouchScreenButton::set_visibility_mode(VisibilityMode p_mode) { visibility = p_mode; update(); } TouchScreenButton::VisibilityMode TouchScreenButton::get_visibility_mode() const { return visibility; } void TouchScreenButton::set_passby_press(bool p_enable) { passby_press = p_enable; } bool TouchScreenButton::is_passby_press_enabled() const { return passby_press; } void TouchScreenButton::_bind_methods() { ClassDB::bind_method(D_METHOD("set_texture", "texture"), &TouchScreenButton::set_texture); ClassDB::bind_method(D_METHOD("get_texture"), &TouchScreenButton::get_texture); ClassDB::bind_method(D_METHOD("set_texture_pressed", "texture_pressed"), &TouchScreenButton::set_texture_pressed); ClassDB::bind_method(D_METHOD("get_texture_pressed"), &TouchScreenButton::get_texture_pressed); ClassDB::bind_method(D_METHOD("set_bitmask", "bitmask"), &TouchScreenButton::set_bitmask); ClassDB::bind_method(D_METHOD("get_bitmask"), &TouchScreenButton::get_bitmask); ClassDB::bind_method(D_METHOD("set_shape", "shape"), &TouchScreenButton::set_shape); ClassDB::bind_method(D_METHOD("get_shape"), &TouchScreenButton::get_shape); ClassDB::bind_method(D_METHOD("set_shape_centered", "bool"), &TouchScreenButton::set_shape_centered); ClassDB::bind_method(D_METHOD("is_shape_centered"), &TouchScreenButton::is_shape_centered); ClassDB::bind_method(D_METHOD("set_shape_visible", "bool"), &TouchScreenButton::set_shape_visible); ClassDB::bind_method(D_METHOD("is_shape_visible"), &TouchScreenButton::is_shape_visible); ClassDB::bind_method(D_METHOD("set_action", "action"), &TouchScreenButton::set_action); ClassDB::bind_method(D_METHOD("get_action"), &TouchScreenButton::get_action); ClassDB::bind_method(D_METHOD("set_visibility_mode", "mode"), &TouchScreenButton::set_visibility_mode); ClassDB::bind_method(D_METHOD("get_visibility_mode"), &TouchScreenButton::get_visibility_mode); ClassDB::bind_method(D_METHOD("set_passby_press", "enabled"), &TouchScreenButton::set_passby_press); ClassDB::bind_method(D_METHOD("is_passby_press_enabled"), &TouchScreenButton::is_passby_press_enabled); ClassDB::bind_method(D_METHOD("is_pressed"), &TouchScreenButton::is_pressed); ClassDB::bind_method(D_METHOD("_input"), &TouchScreenButton::_input); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "normal", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "pressed", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture_pressed", "get_texture_pressed"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "bitmask", PROPERTY_HINT_RESOURCE_TYPE, "BitMap"), "set_bitmask", "get_bitmask"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape2D"), "set_shape", "get_shape"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "shape_centered"), "set_shape_centered", "is_shape_centered"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "shape_visible"), "set_shape_visible", "is_shape_visible"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "passby_press"), "set_passby_press", "is_passby_press_enabled"); ADD_PROPERTY(PropertyInfo(Variant::STRING, "action"), "set_action", "get_action"); ADD_PROPERTY(PropertyInfo(Variant::INT, "visibility_mode", PROPERTY_HINT_ENUM, "Always,TouchScreen Only"), "set_visibility_mode", "get_visibility_mode"); ADD_SIGNAL(MethodInfo("pressed")); ADD_SIGNAL(MethodInfo("released")); BIND_ENUM_CONSTANT(VISIBILITY_ALWAYS); BIND_ENUM_CONSTANT(VISIBILITY_TOUCHSCREEN_ONLY); } TouchScreenButton::TouchScreenButton() { finger_pressed = -1; passby_press = false; visibility = VISIBILITY_ALWAYS; shape_centered = true; shape_visible = true; unit_rect = Ref<RectangleShape2D>(memnew(RectangleShape2D)); unit_rect->set_extents(Vector2(0.5, 0.5)); }