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godot/scene/2d/screen_button.cpp
Juan Linietsky 04c749a1f0 New API for visibility in both CanvasItem and Spatial 
visible (property) - access set_visible(bool) is_visible()
is_visible_in_tree() - true when visible and parents visible
show() hide() - for convenience
2017-01-13 10:45:50 -03:00

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/*************************************************************************/
/* screen_button.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "screen_button.h"
#include "os/os.h"
#include "input_map.h"
#include "os/input.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::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_DRAW: {
if (!is_inside_tree())
return;
if (!get_tree()->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());
}
} break;
case NOTIFICATION_ENTER_TREE: {
if (!get_tree()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
return;
update();
if (!get_tree()->is_editor_hint())
set_process_input(true);
if (action.operator String()!="" && InputMap::get_singleton()->has_action(action)) {
action_id=InputMap::get_singleton()->get_action_id(action);
} else {
action_id=-1;
}
} break;
case NOTIFICATION_EXIT_TREE: {
if (is_pressed())
Input::get_singleton()->action_release(action);
} break;
}
}
bool TouchScreenButton::is_pressed() const{
return finger_pressed!=-1;
}
void TouchScreenButton::set_action(const String& p_action) {
action=p_action;
if (action.operator String()!="" && InputMap::get_singleton()->has_action(action)) {
action_id=InputMap::get_singleton()->get_action_id(action);
} else {
action_id=-1;
}
}
String TouchScreenButton::get_action() const {
return action;
}
void TouchScreenButton::_input(const InputEvent& p_event) {
if (!get_tree())
return;
if (p_event.device != 0)
return;
if (passby_press) {
if (p_event.type==InputEvent::SCREEN_TOUCH && !p_event.screen_touch.pressed && finger_pressed==p_event.screen_touch.index) {
emit_signal("released");
if (action_id!=-1) {
Input::get_singleton()->action_release(action);
InputEvent ie;
ie.type=InputEvent::ACTION;
ie.ID=0;
ie.action.action=action_id;
ie.action.pressed=false;
get_tree()->input_event(ie);
}
finger_pressed=-1;
update();
}
if ((p_event.type==InputEvent::SCREEN_TOUCH && p_event.screen_touch.pressed)|| p_event.type==InputEvent::SCREEN_DRAG) {
if (finger_pressed==-1 || p_event.screen_touch.index==finger_pressed) {
Point2 coord = (get_global_transform_with_canvas()).affine_inverse().xform(Point2(p_event.screen_touch.x,p_event.screen_touch.y));
bool touched=false;
if (bitmask.is_valid()) {
if (Rect2(Point2(),bitmask->get_size()).has_point(coord)) {
if (bitmask->get_bit(coord))
touched=true;
}
} else {
if (texture.is_valid())
touched=Rect2(Point2(),texture->get_size()).has_point(coord);
}
if (touched) {
if (finger_pressed==-1) {
finger_pressed=p_event.screen_touch.index;
//emit change stuff
emit_signal("pressed");
if (action_id!=-1) {
Input::get_singleton()->action_press(action);
InputEvent ie;
ie.type=InputEvent::ACTION;
ie.ID=0;
ie.action.action=action_id;
ie.action.pressed=true;
get_tree()->input_event(ie);
}
update();
}
} else {
if (finger_pressed!=-1) {
emit_signal("released");
if (action_id!=-1) {
Input::get_singleton()->action_release(action);
InputEvent ie;
ie.type=InputEvent::ACTION;
ie.ID=0;
ie.action.action=action_id;
ie.action.pressed=false;
get_tree()->input_event(ie);
}
finger_pressed=-1;
update();
}
}
}
}
} else {
if (p_event.type==InputEvent::SCREEN_TOUCH) {
if (p_event.screen_touch.pressed) {
if (!is_visible_in_tree())
return;
if (finger_pressed!=-1)
return; //already fingering
Point2 coord = (get_global_transform_with_canvas()).affine_inverse().xform(Point2(p_event.screen_touch.x,p_event.screen_touch.y));
bool touched=false;
if (bitmask.is_valid()) {
if (Rect2(Point2(),bitmask->get_size()).has_point(coord)) {
if (bitmask->get_bit(coord))
touched=true;
}
} else {
if (!texture.is_null())
touched=Rect2(Point2(),texture->get_size()).has_point(coord);
}
if (touched) {
finger_pressed=p_event.screen_touch.index;
//emit change stuff
emit_signal("pressed");
if (action_id!=-1) {
Input::get_singleton()->action_press(action);
InputEvent ie;
ie.type=InputEvent::ACTION;
ie.ID=0;
ie.action.action=action_id;
ie.action.pressed=true;
get_tree()->input_event(ie);
}
update();
}
} else {
if (p_event.screen_touch.index==finger_pressed) {
//untouch
emit_signal("released");
if (action_id!=-1) {
Input::get_singleton()->action_release(action);
InputEvent ie;
ie.type=InputEvent::ACTION;
ie.ID=0;
ie.action.action=action_id;
ie.action.pressed=false;
get_tree()->input_event(ie);
}
finger_pressed=-1;
update();
}
}
}
}
}
Rect2 TouchScreenButton::get_item_rect() const {
if (texture.is_null())
return Rect2(0,0,1,1);
//if (texture.is_null())
// return CanvasItem::get_item_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(_MD("set_texture","texture"),&TouchScreenButton::set_texture);
ClassDB::bind_method(_MD("get_texture"),&TouchScreenButton::get_texture);
ClassDB::bind_method(_MD("set_texture_pressed","texture_pressed"),&TouchScreenButton::set_texture_pressed);
ClassDB::bind_method(_MD("get_texture_pressed"),&TouchScreenButton::get_texture_pressed);
ClassDB::bind_method(_MD("set_bitmask","bitmask"),&TouchScreenButton::set_bitmask);
ClassDB::bind_method(_MD("get_bitmask"),&TouchScreenButton::get_bitmask);
ClassDB::bind_method(_MD("set_action","action"),&TouchScreenButton::set_action);
ClassDB::bind_method(_MD("get_action"),&TouchScreenButton::get_action);
ClassDB::bind_method(_MD("set_visibility_mode","mode"),&TouchScreenButton::set_visibility_mode);
ClassDB::bind_method(_MD("get_visibility_mode"),&TouchScreenButton::get_visibility_mode);
ClassDB::bind_method(_MD("set_passby_press","enabled"),&TouchScreenButton::set_passby_press);
ClassDB::bind_method(_MD("is_passby_press_enabled"),&TouchScreenButton::is_passby_press_enabled);
ClassDB::bind_method(_MD("is_pressed"),&TouchScreenButton::is_pressed);
ClassDB::bind_method(_MD("_input"),&TouchScreenButton::_input);
ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"normal",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),_SCS("set_texture"),_SCS("get_texture"));
ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"pressed",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),_SCS("set_texture_pressed"),_SCS("get_texture_pressed"));
ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"bitmask",PROPERTY_HINT_RESOURCE_TYPE,"BitMap"),_SCS("set_bitmask"),_SCS("get_bitmask"));
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"passby_press"),_SCS("set_passby_press"),_SCS("is_passby_press_enabled"));
ADD_PROPERTY( PropertyInfo(Variant::STRING,"action"),_SCS("set_action"),_SCS("get_action"));
ADD_PROPERTY( PropertyInfo(Variant::INT,"visibility_mode",PROPERTY_HINT_ENUM,"Always,TouchScreen Only"),_SCS("set_visibility_mode"),_SCS("get_visibility_mode"));
ADD_SIGNAL( MethodInfo("pressed" ) );
ADD_SIGNAL( MethodInfo("released" ) );
}
TouchScreenButton::TouchScreenButton() {
finger_pressed=-1;
action_id=-1;
passby_press=false;
visibility=VISIBILITY_ALWAYS;
}
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