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godot/scene/gui/spin_box.cpp

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/*************************************************************************/
/* spin_box.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 "spin_box.h"
#include "os/input.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 = String::num(get_value(),Math::step_decimals(get_step()));
if (prefix!="")
value=prefix+" "+value;
if (suffix!="")
value+=" "+suffix;
line_edit->set_text(value);
}
void SpinBox::_text_entered(const String& p_string) {
//if (!p_string.is_numeric())
// return;
String value = p_string;
if (prefix!="" && p_string.begins_with(prefix))
value = p_string.substr(prefix.length(), p_string.length()-prefix.length());
set_value( value.to_double() );
_value_changed(0);
}
LineEdit *SpinBox::get_line_edit() {
return line_edit;
}
void SpinBox::_line_edit_input(const InputEvent& p_event) {
}
void SpinBox::_range_click_timeout() {
if (!drag.enabled && Input::get_singleton()->is_mouse_button_pressed(BUTTON_LEFT)) {
bool up = get_local_mouse_pos().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::_gui_input(const InputEvent& p_event) {
if (!is_editable()) {
return;
}
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.pressed) {
const InputEventMouseButton &mb=p_event.mouse_button;
if (mb.doubleclick)
return; //ignore doubleclick
bool up = mb.y < (get_size().height/2);
switch(mb.button_index) {
case BUTTON_LEFT: {
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();
line_edit->grab_focus();
} break;
case BUTTON_RIGHT: {
set_value( (up?get_max():get_min()) );
line_edit->grab_focus();
} break;
case BUTTON_WHEEL_UP: {
if (line_edit->has_focus()) {
set_value( get_value() + get_step() );
accept_event();
}
} break;
case BUTTON_WHEEL_DOWN: {
if (line_edit->has_focus()) {
set_value( get_value() - get_step() );
accept_event();
}
} break;
}
}
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.pressed && p_event.mouse_button.button_index==1) {
//set_default_cursor_shape(CURSOR_VSIZE);
Vector2 cpos = Vector2(p_event.mouse_button.x,p_event.mouse_button.y);
drag.mouse_pos=cpos;
}
if (p_event.type==InputEvent::MOUSE_BUTTON && !p_event.mouse_button.pressed && p_event.mouse_button.button_index==1) {
//set_default_cursor_shape(CURSOR_ARROW);
range_click_timer->stop();
if (drag.enabled) {
drag.enabled=false;
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
warp_mouse(drag.capture_pos);
}
}
if (p_event.type==InputEvent::MOUSE_MOTION && p_event.mouse_button.button_mask&1) {
Vector2 cpos = Vector2(p_event.mouse_motion.x,p_event.mouse_motion.y);
if (drag.enabled) {
float diff_y = drag.mouse_pos.y - cpos.y;
diff_y=Math::pow(ABS(diff_y),1.8)*SGN(diff_y);
diff_y*=0.1;
drag.mouse_pos=cpos;
drag.base_val=CLAMP(drag.base_val + get_step() * diff_y, get_min(), get_max());
set_value( drag.base_val);
} else if (drag.mouse_pos.distance_to(cpos)>2) {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
drag.enabled=true;
drag.base_val=get_value();
drag.mouse_pos=cpos;
drag.capture_pos=cpos;
}
}
}
void SpinBox::_line_edit_focus_exit() {
_text_entered(line_edit->get_text());
}
void SpinBox::_notification(int p_what) {
if (p_what==NOTIFICATION_DRAW) {
Ref<Texture> updown = get_icon("updown");
int w = updown->get_width();
if (w!=last_w) {
line_edit->set_margin(MARGIN_RIGHT,w);
last_w=w;
}
RID ci = get_canvas_item();
Size2i size = get_size();
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) {
_value_changed(0);
}
}
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_editable(bool p_editable) {
line_edit->set_editable(p_editable);
}
bool SpinBox::is_editable() const {
return line_edit->is_editable();
}
void SpinBox::_bind_methods() {
//ClassDB::bind_method(_MD("_value_changed"),&SpinBox::_value_changed);
ClassDB::bind_method(_MD("_gui_input"),&SpinBox::_gui_input);
ClassDB::bind_method(_MD("_text_entered"),&SpinBox::_text_entered);
ClassDB::bind_method(_MD("set_suffix","suffix"),&SpinBox::set_suffix);
ClassDB::bind_method(_MD("get_suffix"),&SpinBox::get_suffix);
ClassDB::bind_method(_MD("set_prefix","prefix"),&SpinBox::set_prefix);
ClassDB::bind_method(_MD("get_prefix"),&SpinBox::get_prefix);
ClassDB::bind_method(_MD("set_editable","editable"),&SpinBox::set_editable);
ClassDB::bind_method(_MD("is_editable"),&SpinBox::is_editable);
ClassDB::bind_method(_MD("_line_edit_focus_exit"),&SpinBox::_line_edit_focus_exit);
ClassDB::bind_method(_MD("get_line_edit"),&SpinBox::get_line_edit);
ClassDB::bind_method(_MD("_line_edit_input"),&SpinBox::_line_edit_input);
ClassDB::bind_method(_MD("_range_click_timeout"),&SpinBox::_range_click_timeout);
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"editable"),_SCS("set_editable"),_SCS("is_editable"));
ADD_PROPERTY(PropertyInfo(Variant::STRING,"prefix"),_SCS("set_prefix"),_SCS("get_prefix"));
ADD_PROPERTY(PropertyInfo(Variant::STRING,"suffix"),_SCS("set_suffix"),_SCS("get_suffix"));
}
SpinBox::SpinBox() {
last_w = 0;
line_edit = memnew( LineEdit );
add_child(line_edit);
line_edit->set_area_as_parent_rect();
//connect("value_changed",this,"_value_changed");
line_edit->connect("text_entered",this,"_text_entered",Vector<Variant>(),CONNECT_DEFERRED);
line_edit->connect("focus_exit",this,"_line_edit_focus_exit",Vector<Variant>(),CONNECT_DEFERRED);
line_edit->connect("gui_input",this,"_line_edit_input");
drag.enabled=false;
range_click_timer = memnew( Timer );
range_click_timer->connect("timeout",this,"_range_click_timeout");
add_child(range_click_timer);
}
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