godot/scene/gui/spin_box.cpp
Rodolphe Suescun 0838eca063 Fixed issue #11893 (SpinBox Capturing mouse)
To prevent the SpinBox from capturing mouse, added a "drag.allowed"
variable that is set to true only when clicking inside the control.
Entering the control with the left mouse button pressed will not
trigger drag anymore.

Also modified the value update code when dragging so it does not
modify the base_val.
2018-12-10 19:33:04 +01:00

290 lines
8.9 KiB
C++

/*************************************************************************/
/* spin_box.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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 */
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/*************************************************************************/
#include "spin_box.h"
#include "core/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 Ref<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_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::_gui_input(const Ref<InputEvent> &p_event) {
if (!is_editable()) {
return;
}
Ref<InputEventMouseButton> 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 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();
drag.allowed = true;
drag.capture_pos = mb->get_position();
} 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() * mb->get_factor());
accept_event();
}
} break;
case BUTTON_WHEEL_DOWN: {
if (line_edit->has_focus()) {
set_value(get_value() - get_step() * mb->get_factor());
accept_event();
}
} break;
}
}
if (mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
//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);
}
drag.allowed = false;
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid() && mm->get_button_mask() & BUTTON_MASK_LEFT) {
if (drag.enabled) {
drag.diff_y += mm->get_relative().y;
float diff_y = -0.01 * Math::pow(ABS(drag.diff_y), 1.8f) * SGN(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() {
_text_entered(line_edit->get_text());
}
inline void SpinBox::_adjust_width_for_icon(const Ref<Texture> icon) {
int w = icon->get_width();
if (w != last_w) {
line_edit->set_margin(MARGIN_RIGHT, -w);
last_w = w;
}
}
void SpinBox::_notification(int p_what) {
if (p_what == NOTIFICATION_DRAW) {
Ref<Texture> updown = get_icon("updown");
_adjust_width_for_icon(updown);
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) {
_adjust_width_for_icon(get_icon("updown"));
_value_changed(0);
}
}
void SpinBox::set_align(LineEdit::Align p_align) {
line_edit->set_align(p_align);
}
LineEdit::Align SpinBox::get_align() const {
return line_edit->get_align();
}
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(D_METHOD("_value_changed"),&SpinBox::_value_changed);
ClassDB::bind_method(D_METHOD("_gui_input"), &SpinBox::_gui_input);
ClassDB::bind_method(D_METHOD("_text_entered"), &SpinBox::_text_entered);
ClassDB::bind_method(D_METHOD("set_align", "align"), &SpinBox::set_align);
ClassDB::bind_method(D_METHOD("get_align"), &SpinBox::get_align);
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", "editable"), &SpinBox::set_editable);
ClassDB::bind_method(D_METHOD("is_editable"), &SpinBox::is_editable);
ClassDB::bind_method(D_METHOD("_line_edit_focus_exit"), &SpinBox::_line_edit_focus_exit);
ClassDB::bind_method(D_METHOD("get_line_edit"), &SpinBox::get_line_edit);
ClassDB::bind_method(D_METHOD("_line_edit_input"), &SpinBox::_line_edit_input);
ClassDB::bind_method(D_METHOD("_range_click_timeout"), &SpinBox::_range_click_timeout);
ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_align", "get_align");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editable"), "set_editable", "is_editable");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "prefix"), "set_prefix", "get_prefix");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "suffix"), "set_suffix", "get_suffix");
}
SpinBox::SpinBox() {
last_w = 0;
line_edit = memnew(LineEdit);
add_child(line_edit);
line_edit->set_anchors_and_margins_preset(Control::PRESET_WIDE);
//connect("value_changed",this,"_value_changed");
line_edit->connect("text_entered", this, "_text_entered", Vector<Variant>(), CONNECT_DEFERRED);
line_edit->connect("focus_exited", 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);
}