mirror of
				https://github.com/godotengine/godot.git
				synced 2025-10-30 21:21:10 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			487 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			487 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
 | |
| /*  base_button.cpp                                                      */
 | |
| /*************************************************************************/
 | |
| /*                       This file is part of:                           */
 | |
| /*                           GODOT ENGINE                                */
 | |
| /*                    http://www.godotengine.org                         */
 | |
| /*************************************************************************/
 | |
| /* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
 | |
| /*                                                                       */
 | |
| /* 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 "base_button.h"
 | |
| #include "os/keyboard.h"
 | |
| #include "print_string.h"
 | |
| #include "button_group.h"
 | |
| #include "scene/scene_string_names.h"
 | |
| 
 | |
| void BaseButton::_input_event(InputEvent p_event) {
 | |
| 
 | |
| 
 | |
| 	if (status.disabled) // no interaction with disabled button
 | |
| 		return;
 | |
| 
 | |
| 	switch(p_event.type) {
 | |
| 
 | |
| 		case InputEvent::MOUSE_BUTTON: {
 | |
| 
 | |
| 			const InputEventMouseButton &b=p_event.mouse_button;
 | |
| 
 | |
| 			if ( status.disabled || b.button_index!=1 )
 | |
| 				return;
 | |
| 
 | |
| 			if (status.pressing_button)
 | |
| 				break;
 | |
| 
 | |
| 			if (status.click_on_press) {
 | |
| 
 | |
| 				if (b.pressed) {
 | |
| 
 | |
| 					if (!toggle_mode) { //mouse press attempt
 | |
| 
 | |
| 						status.press_attempt=true;
 | |
| 						status.pressing_inside=true;
 | |
| 
 | |
| 						pressed();
 | |
| 						if (get_script_instance()) {
 | |
| 							Variant::CallError ce;
 | |
| 							get_script_instance()->call(SceneStringNames::get_singleton()->_pressed,NULL,0,ce);
 | |
| 						}
 | |
| 
 | |
| 						emit_signal("pressed");
 | |
| 
 | |
| 					} else {
 | |
| 
 | |
| 						status.pressed=!status.pressed;
 | |
| 						pressed();
 | |
| 						if (get_script_instance()) {
 | |
| 							Variant::CallError ce;
 | |
| 							get_script_instance()->call(SceneStringNames::get_singleton()->_pressed,NULL,0,ce);
 | |
| 						}
 | |
| 						emit_signal("pressed");
 | |
| 
 | |
| 						toggled(status.pressed);
 | |
| 						emit_signal("toggled",status.pressed);
 | |
| 
 | |
| 					}
 | |
| 
 | |
| 
 | |
| 				} else {
 | |
| 
 | |
| 					if (status.press_attempt && status.pressing_inside) {
 | |
| //						released();
 | |
| 						emit_signal("released");
 | |
| 					}
 | |
| 					status.press_attempt=false;
 | |
| 				}
 | |
| 				update();
 | |
| 				break;
 | |
| 			}
 | |
| 
 | |
| 			if (b.pressed) {
 | |
| 
 | |
| 				status.press_attempt=true;
 | |
| 				status.pressing_inside=true;
 | |
| 
 | |
| 			} else {
 | |
| 
 | |
| 
 | |
| 				if (status.press_attempt &&status.pressing_inside) {
 | |
| 
 | |
| 					if (!toggle_mode) { //mouse press attempt
 | |
| 
 | |
| 						pressed();
 | |
| 						if (get_script_instance()) {
 | |
| 							Variant::CallError ce;
 | |
| 							get_script_instance()->call(SceneStringNames::get_singleton()->_pressed,NULL,0,ce);
 | |
| 						}
 | |
| 
 | |
| 						emit_signal("pressed");
 | |
| 
 | |
| 					} else {
 | |
| 
 | |
| 						status.pressed=!status.pressed;
 | |
| 
 | |
| 						pressed();
 | |
| 						emit_signal("pressed");
 | |
| 
 | |
| 						toggled(status.pressed);
 | |
| 						emit_signal("toggled",status.pressed);
 | |
| 						if (get_script_instance()) {
 | |
| 							get_script_instance()->call(SceneStringNames::get_singleton()->_toggled,status.pressed);
 | |
| 						}
 | |
| 
 | |
| 
 | |
| 					}
 | |
| 
 | |
| 				}
 | |
| 
 | |
| 				status.press_attempt=false;
 | |
| 
 | |
| 			}
 | |
| 
 | |
| 			update();
 | |
| 		} break;
 | |
| 		case InputEvent::MOUSE_MOTION: {
 | |
| 
 | |
| 			if (status.press_attempt && status.pressing_button==0) {
 | |
| 				bool last_press_inside=status.pressing_inside;
 | |
| 				status.pressing_inside=has_point(Point2(p_event.mouse_motion.x,p_event.mouse_motion.y));
 | |
| 				if (last_press_inside!=status.pressing_inside)
 | |
| 					update();
 | |
| 			}
 | |
| 		} break;
 | |
| 		case InputEvent::ACTION:
 | |
| 		case InputEvent::JOYSTICK_BUTTON:
 | |
| 		case InputEvent::KEY: {
 | |
| 
 | |
| 
 | |
| 			if (p_event.is_echo()) {
 | |
| 				break;
 | |
| 			}
 | |
| 
 | |
| 			if (status.disabled) {
 | |
| 				break;
 | |
| 			}
 | |
| 
 | |
| 			if (status.press_attempt && status.pressing_button==0) {
 | |
| 				break;
 | |
| 			}
 | |
| 
 | |
| 			if (p_event.is_action("ui_accept")) {
 | |
| 
 | |
| 				if (p_event.is_pressed()) {
 | |
| 
 | |
| 					status.pressing_button++;
 | |
| 					status.press_attempt=true;
 | |
| 					status.pressing_inside=true;
 | |
| 
 | |
| 				} else if (status.press_attempt) {
 | |
| 
 | |
| 					if (status.pressing_button)
 | |
| 						status.pressing_button--;
 | |
| 
 | |
| 					if (status.pressing_button)
 | |
| 						break;
 | |
| 
 | |
| 					status.press_attempt=false;
 | |
| 					status.pressing_inside=false;
 | |
| 
 | |
| 					if (!toggle_mode) { //mouse press attempt
 | |
| 
 | |
| 						pressed();
 | |
| 						emit_signal("pressed");
 | |
| 					} else {
 | |
| 
 | |
| 						status.pressed=!status.pressed;
 | |
| 
 | |
| 						pressed();
 | |
| 						emit_signal("pressed");
 | |
| 
 | |
| 						toggled(status.pressed);
 | |
| 						if (get_script_instance()) {
 | |
| 							get_script_instance()->call(SceneStringNames::get_singleton()->_toggled,status.pressed);
 | |
| 						}
 | |
| 						emit_signal("toggled",status.pressed);
 | |
| 					}
 | |
| 				}
 | |
| 
 | |
| 				accept_event();
 | |
| 				update();
 | |
| 
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void BaseButton::_notification(int p_what) {
 | |
| 
 | |
| 
 | |
| 	if (p_what==NOTIFICATION_MOUSE_ENTER) {
 | |
| 
 | |
| 		status.hovering=true;
 | |
| 		update();
 | |
| 	}
 | |
| 
 | |
| 	if (p_what==NOTIFICATION_MOUSE_EXIT) {
 | |
| 		status.hovering=false;
 | |
| 		update();
 | |
| 	}
 | |
| 	if (p_what==NOTIFICATION_FOCUS_EXIT) {
 | |
| 
 | |
| 		if (status.pressing_button && status.press_attempt) {
 | |
| 			status.press_attempt=false;
 | |
| 			status.pressing_button=0;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (p_what==NOTIFICATION_ENTER_TREE) {
 | |
| 
 | |
| 		CanvasItem *ci=this;
 | |
| 		while(ci) {
 | |
| 
 | |
| 			ButtonGroup *bg = ci->cast_to<ButtonGroup>();
 | |
| 			if (bg) {
 | |
| 
 | |
| 				group=bg;
 | |
| 				group->_add_button(this);
 | |
| 			}
 | |
| 
 | |
| 			ci=ci->get_parent_item();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (p_what==NOTIFICATION_EXIT_TREE) {
 | |
| 
 | |
| 		if (group)
 | |
| 			group->_remove_button(this);
 | |
| 	}
 | |
| 
 | |
| 	if (p_what==NOTIFICATION_VISIBILITY_CHANGED && !is_visible()) {
 | |
| 
 | |
| 		if (!toggle_mode) {
 | |
| 			status.pressed = false;
 | |
| 		}
 | |
| 		status.hovering = false;
 | |
| 		status.press_attempt = false;
 | |
| 		status.pressing_inside = false;
 | |
| 		status.pressing_button = 0;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void BaseButton::pressed() {
 | |
| 
 | |
| 	if (get_script_instance())
 | |
| 		get_script_instance()->call("pressed");
 | |
| }
 | |
| 
 | |
| void BaseButton::toggled(bool p_pressed) {
 | |
| 
 | |
| 	if (get_script_instance())
 | |
| 		get_script_instance()->call("toggled",p_pressed);
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| void BaseButton::set_disabled(bool p_disabled) {
 | |
| 
 | |
| 	status.disabled = p_disabled;
 | |
| 	update();
 | |
| 	_change_notify("disabled");
 | |
| 	if (p_disabled)
 | |
| 		set_focus_mode(FOCUS_NONE);
 | |
| 	else
 | |
| 		set_focus_mode(enabled_focus_mode);
 | |
| }
 | |
| 
 | |
| bool BaseButton::is_disabled() const {
 | |
| 
 | |
| 	return status.disabled;
 | |
| }
 | |
| 
 | |
| void BaseButton::set_pressed(bool p_pressed) {
 | |
| 
 | |
| 	if (!toggle_mode)
 | |
| 		return;
 | |
| 	if (status.pressed==p_pressed)
 | |
| 		return;
 | |
| 	_change_notify("pressed");
 | |
| 	status.pressed=p_pressed;
 | |
| 	update();
 | |
| }
 | |
| 
 | |
| bool BaseButton::is_pressing() const{
 | |
| 
 | |
| 	return status.press_attempt;
 | |
| }
 | |
| 
 | |
| bool BaseButton::is_pressed() const {
 | |
| 
 | |
| 	return toggle_mode?status.pressed:status.press_attempt;
 | |
| }
 | |
| 
 | |
| bool BaseButton::is_hovered() const {
 | |
| 
 | |
| 	return status.hovering;
 | |
| }
 | |
| 
 | |
| BaseButton::DrawMode BaseButton::get_draw_mode() const {
 | |
| 
 | |
| 	if (status.disabled) {
 | |
| 		return DRAW_DISABLED;
 | |
| 	};
 | |
| 
 | |
| 	//print_line("press attempt: "+itos(status.press_attempt)+" hover: "+itos(status.hovering)+" pressed: "+itos(status.pressed));
 | |
| 	if (status.press_attempt==false && status.hovering && !status.pressed) {
 | |
| 
 | |
| 
 | |
| 		return DRAW_HOVER;
 | |
| 	} else {
 | |
| 		/* determine if pressed or not */
 | |
| 
 | |
| 		bool pressing;
 | |
| 		if (status.press_attempt) {
 | |
| 
 | |
| 			pressing=status.pressing_inside;
 | |
| 			if (status.pressed)
 | |
| 				pressing=!pressing;
 | |
| 		} else {
 | |
| 
 | |
| 			pressing=status.pressed;
 | |
| 		}
 | |
| 
 | |
| 		if (pressing)
 | |
| 			return DRAW_PRESSED;
 | |
| 		else
 | |
| 			return DRAW_NORMAL;
 | |
| 	}
 | |
| 
 | |
| 	return DRAW_NORMAL;
 | |
| }
 | |
| 
 | |
| void BaseButton::set_toggle_mode(bool p_on) {
 | |
| 
 | |
| 	toggle_mode=p_on;
 | |
| }
 | |
| 
 | |
| bool BaseButton::is_toggle_mode() const {
 | |
| 
 | |
| 	return toggle_mode;
 | |
| }
 | |
| 
 | |
| void BaseButton::set_click_on_press(bool p_click_on_press) {
 | |
| 
 | |
| 	status.click_on_press=p_click_on_press;
 | |
| }
 | |
| 
 | |
| bool BaseButton::get_click_on_press() const {
 | |
| 
 | |
| 	return status.click_on_press;
 | |
| }
 | |
| 
 | |
| void BaseButton::set_enabled_focus_mode(FocusMode p_mode) {
 | |
| 
 | |
| 	enabled_focus_mode = p_mode;
 | |
| 	if (!status.disabled) {
 | |
| 		set_focus_mode( p_mode );
 | |
| 	}
 | |
| }
 | |
| 
 | |
| Control::FocusMode BaseButton::get_enabled_focus_mode() const {
 | |
| 
 | |
| 	return enabled_focus_mode;
 | |
| }
 | |
| 
 | |
| void BaseButton::set_shortcut(const Ref<ShortCut>& p_shortcut) {
 | |
| 
 | |
| 	if (shortcut.is_null() == p_shortcut.is_null())
 | |
| 		return;
 | |
| 
 | |
| 	shortcut=p_shortcut;
 | |
| 	set_process_unhandled_input(shortcut.is_valid());
 | |
| }
 | |
| 
 | |
| Ref<ShortCut> BaseButton:: get_shortcut() const {
 | |
| 	return shortcut;
 | |
| }
 | |
| 
 | |
| void BaseButton::_unhandled_input(InputEvent p_event) {
 | |
| 
 | |
| 	if (!is_disabled() && is_visible() && shortcut.is_valid() && shortcut->is_shortcut(p_event)) {
 | |
| 		if (is_toggle_mode()) {
 | |
| 			set_pressed(!is_pressed());
 | |
| 			emit_signal("toggled",is_pressed());
 | |
| 		}
 | |
| 
 | |
| 		emit_signal("pressed");
 | |
| 	}
 | |
| }
 | |
| 
 | |
| String BaseButton::get_tooltip(const Point2& p_pos) const {
 | |
| 
 | |
| 	String tooltip=Control::get_tooltip(p_pos);
 | |
| 	if (shortcut.is_valid() && shortcut->is_valid())
 | |
| 		tooltip+=" ("+shortcut->get_as_text()+")";
 | |
| 	return tooltip;
 | |
| }
 | |
| 
 | |
| void BaseButton::_bind_methods() {
 | |
| 
 | |
| 	ObjectTypeDB::bind_method(_MD("_input_event"),&BaseButton::_input_event);
 | |
| 	ObjectTypeDB::bind_method(_MD("_unhandled_input"),&BaseButton::_unhandled_input);
 | |
| 	ObjectTypeDB::bind_method(_MD("set_pressed","pressed"),&BaseButton::set_pressed);
 | |
| 	ObjectTypeDB::bind_method(_MD("is_pressed"),&BaseButton::is_pressed);
 | |
| 	ObjectTypeDB::bind_method(_MD("is_hovered"),&BaseButton::is_hovered);
 | |
| 	ObjectTypeDB::bind_method(_MD("set_toggle_mode","enabled"),&BaseButton::set_toggle_mode);
 | |
| 	ObjectTypeDB::bind_method(_MD("is_toggle_mode"),&BaseButton::is_toggle_mode);
 | |
| 	ObjectTypeDB::bind_method(_MD("set_disabled","disabled"),&BaseButton::set_disabled);
 | |
| 	ObjectTypeDB::bind_method(_MD("is_disabled"),&BaseButton::is_disabled);
 | |
| 	ObjectTypeDB::bind_method(_MD("set_click_on_press","enable"),&BaseButton::set_click_on_press);
 | |
| 	ObjectTypeDB::bind_method(_MD("get_click_on_press"),&BaseButton::get_click_on_press);
 | |
| 	ObjectTypeDB::bind_method(_MD("get_draw_mode"),&BaseButton::get_draw_mode);
 | |
| 	ObjectTypeDB::bind_method(_MD("set_enabled_focus_mode","mode"),&BaseButton::set_enabled_focus_mode);
 | |
| 	ObjectTypeDB::bind_method(_MD("get_enabled_focus_mode"),&BaseButton::get_enabled_focus_mode);
 | |
| 	ObjectTypeDB::bind_method(_MD("set_shortcut","shortcut"),&BaseButton::set_shortcut);
 | |
| 	ObjectTypeDB::bind_method(_MD("get_shortcut"),&BaseButton::get_shortcut);
 | |
| 
 | |
| 	BIND_VMETHOD(MethodInfo("_pressed"));
 | |
| 	BIND_VMETHOD(MethodInfo("_toggled",PropertyInfo(Variant::BOOL,"pressed")));
 | |
| 
 | |
| 	ADD_SIGNAL( MethodInfo("pressed" ) );
 | |
| 	ADD_SIGNAL( MethodInfo("released" ) );
 | |
| 	ADD_SIGNAL( MethodInfo("toggled", PropertyInfo( Variant::BOOL,"pressed") ) );
 | |
| 	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "disabled"), _SCS("set_disabled"), _SCS("is_disabled"));
 | |
| 	ADD_PROPERTY( PropertyInfo( Variant::BOOL, "toggle_mode"), _SCS("set_toggle_mode"), _SCS("is_toggle_mode"));
 | |
| 	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "is_pressed"), _SCS("set_pressed"), _SCS("is_pressed"));
 | |
| 	ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "click_on_press"), _SCS("set_click_on_press"), _SCS("get_click_on_press"));
 | |
| 	ADD_PROPERTY( PropertyInfo( Variant::INT,"enabled_focus_mode", PROPERTY_HINT_ENUM, "None,Click,All" ), _SCS("set_enabled_focus_mode"), _SCS("get_enabled_focus_mode") );
 | |
| 	ADD_PROPERTY( PropertyInfo( Variant::OBJECT, "shortcut",PROPERTY_HINT_RESOURCE_TYPE,"ShortCut"), _SCS("set_shortcut"), _SCS("get_shortcut"));
 | |
| 
 | |
| 
 | |
| 	BIND_CONSTANT( DRAW_NORMAL );
 | |
| 	BIND_CONSTANT( DRAW_PRESSED );
 | |
| 	BIND_CONSTANT( DRAW_HOVER );
 | |
| 	BIND_CONSTANT( DRAW_DISABLED );
 | |
| 
 | |
| }
 | |
| 
 | |
| BaseButton::BaseButton() {
 | |
| 
 | |
| 	toggle_mode=false;
 | |
| 	status.pressed=false;
 | |
| 	status.press_attempt=false;
 | |
| 	status.hovering=false;
 | |
| 	status.pressing_inside=false;
 | |
| 	status.disabled = false;
 | |
| 	status.click_on_press=false;
 | |
| 	status.pressing_button=0;
 | |
| 	set_focus_mode( FOCUS_ALL );
 | |
| 	enabled_focus_mode = FOCUS_ALL;
 | |
| 	group=NULL;
 | |
| 
 | |
| 
 | |
| }
 | |
| 
 | |
| BaseButton::~BaseButton()
 | |
| {
 | |
| }
 | |
| 
 | |
| 
 | 
