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godot/scene/gui/tabs.cpp

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/*************************************************************************/
/* tabs.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 "tabs.h"
#include "message_queue.h"
Size2 Tabs::get_minimum_size() const {
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
Ref<Font> font = get_font("font");
Size2 ms(0, MAX(MAX(tab_bg->get_minimum_size().height, tab_fg->get_minimum_size().height), tab_disabled->get_minimum_size().height) + font->get_height());
for (int i = 0; i < tabs.size(); i++) {
Ref<Texture> tex = tabs[i].icon;
if (tex.is_valid()) {
ms.height = MAX(ms.height, tex->get_size().height);
if (tabs[i].text != "")
ms.width += get_constant("hseparation");
}
ms.width += font->get_string_size(tabs[i].text).width;
if (tabs[i].disabled)
ms.width += tab_disabled->get_minimum_size().width;
else if (current == i)
ms.width += tab_fg->get_minimum_size().width;
else
ms.width += tab_bg->get_minimum_size().width;
if (tabs[i].right_button.is_valid()) {
Ref<Texture> rb = tabs[i].right_button;
Size2 bms = rb->get_size();
bms.width += get_constant("hseparation");
ms.width += bms.width;
ms.height = MAX(bms.height + tab_bg->get_minimum_size().height, ms.height);
}
if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
Ref<Texture> cb = get_icon("close");
Size2 bms = cb->get_size();
bms.width += get_constant("hseparation");
ms.width += bms.width;
ms.height = MAX(bms.height + tab_bg->get_minimum_size().height, ms.height);
}
}
ms.width = 0; //TODO: should make this optional
return ms;
}
void Tabs::_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
Point2 pos = mm->get_position();
highlight_arrow = -1;
if (buttons_visible) {
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
if (pos.x > limit + decr->get_width()) {
highlight_arrow = 1;
} else if (pos.x > limit) {
highlight_arrow = 0;
}
}
// test hovering to display right or close button
int hover_now = -1;
int hover_buttons = -1;
for (int i = 0; i < tabs.size(); i++) {
if (i < offset)
continue;
Rect2 rect = get_tab_rect(i);
if (rect.has_point(pos)) {
hover_now = i;
}
if (tabs[i].rb_rect.has_point(pos)) {
rb_hover = i;
cb_hover = -1;
hover_buttons = i;
break;
} else if (!tabs[i].disabled && tabs[i].cb_rect.has_point(pos)) {
cb_hover = i;
rb_hover = -1;
hover_buttons = i;
break;
}
}
if (hover != hover_now) {
hover = hover_now;
emit_signal("tab_hover", hover);
}
if (hover_buttons == -1) { // no hover
rb_hover = hover_buttons;
cb_hover = hover_buttons;
}
update();
return;
}
Ref<InputEventMouseButton> mb = p_event;
if (rb_pressing && mb.is_valid() &&
!mb->is_pressed() &&
mb->get_button_index() == BUTTON_LEFT) {
if (rb_hover != -1) {
//pressed
emit_signal("right_button_pressed", rb_hover);
}
rb_pressing = false;
update();
}
if (cb_pressing && mb.is_valid() &&
!mb->is_pressed() &&
mb->get_button_index() == BUTTON_LEFT) {
if (cb_hover != -1) {
//pressed
emit_signal("tab_close", cb_hover);
}
cb_pressing = false;
update();
}
if (mb.is_valid() &&
mb->is_pressed() &&
mb->get_button_index() == BUTTON_LEFT) {
// clicks
Point2 pos(mb->get_position().x, mb->get_position().y);
if (buttons_visible) {
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
if (pos.x > limit + decr->get_width()) {
if (missing_right) {
offset++;
update();
}
return;
} else if (pos.x > limit) {
if (offset > 0) {
offset--;
update();
}
return;
}
}
int found = -1;
for (int i = 0; i < tabs.size(); i++) {
if (i < offset)
continue;
if (tabs[i].rb_rect.has_point(pos)) {
rb_pressing = true;
update();
return;
}
if (tabs[i].cb_rect.has_point(pos)) {
cb_pressing = true;
update();
return;
}
if (pos.x >= tabs[i].ofs_cache && pos.x < tabs[i].ofs_cache + tabs[i].size_cache) {
if (!tabs[i].disabled) {
found = i;
}
break;
}
}
if (found != -1) {
set_current_tab(found);
emit_signal("tab_clicked", found);
}
}
}
void Tabs::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_MOUSE_EXIT: {
rb_hover = -1;
cb_hover = -1;
hover = -1;
update();
} break;
case NOTIFICATION_RESIZED: {
_update_cache();
_ensure_no_over_offset();
ensure_tab_visible(current);
} break;
case NOTIFICATION_DRAW: {
_update_cache();
RID ci = get_canvas_item();
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
Ref<Font> font = get_font("font");
Color color_fg = get_color("font_color_fg");
Color color_bg = get_color("font_color_bg");
Color color_disabled = get_color("font_color_disabled");
Ref<Texture> close = get_icon("close");
int h = get_size().height;
int w = 0;
int mw = 0;
for (int i = 0; i < tabs.size(); i++) {
tabs[i].ofs_cache = mw;
mw += get_tab_width(i);
}
if (tab_align == ALIGN_CENTER) {
w = (get_size().width - mw) / 2;
} else if (tab_align == ALIGN_RIGHT) {
w = get_size().width - mw;
}
if (w < 0) {
w = 0;
}
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
Ref<Texture> incr_hl = get_icon("increment_highlight");
Ref<Texture> decr_hl = get_icon("decrement_highlight");
int limit = get_size().width - incr->get_size().width - decr->get_size().width;
missing_right = false;
for (int i = 0; i < tabs.size(); i++) {
if (i < offset)
continue;
tabs[i].ofs_cache = w;
int lsize = tabs[i].size_cache;
Ref<StyleBox> sb;
Color col;
if (tabs[i].disabled) {
sb = tab_disabled;
col = color_disabled;
} else if (i == current) {
sb = tab_fg;
col = color_fg;
} else {
sb = tab_bg;
col = color_bg;
}
if (w + lsize > limit) {
max_drawn_tab = i - 1;
missing_right = true;
break;
} else {
max_drawn_tab = i;
}
Rect2 sb_rect = Rect2(w, 0, tabs[i].size_cache, h);
sb->draw(ci, sb_rect);
w += sb->get_margin(MARGIN_LEFT);
Size2i sb_ms = sb->get_minimum_size();
Ref<Texture> icon = tabs[i].icon;
if (icon.is_valid()) {
icon->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2));
if (tabs[i].text != "")
w += icon->get_width() + get_constant("hseparation");
}
font->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - font->get_height()) / 2 + font->get_ascent()), tabs[i].text, col, tabs[i].size_text);
w += tabs[i].size_text;
if (tabs[i].right_button.is_valid()) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> rb = tabs[i].right_button;
w += get_constant("hseparation");
Rect2 rb_rect;
rb_rect.size = style->get_minimum_size() + rb->get_size();
rb_rect.position.x = w;
rb_rect.position.y = sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - (rb_rect.size.y)) / 2;
if (rb_hover == i) {
if (rb_pressing)
get_stylebox("button_pressed")->draw(ci, rb_rect);
else
style->draw(ci, rb_rect);
}
rb->draw(ci, Point2i(w + style->get_margin(MARGIN_LEFT), rb_rect.position.y + style->get_margin(MARGIN_TOP)));
w += rb->get_width();
tabs[i].rb_rect = rb_rect;
}
if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
Ref<StyleBox> style = get_stylebox("button");
Ref<Texture> cb = close;
w += get_constant("hseparation");
Rect2 cb_rect;
cb_rect.size = style->get_minimum_size() + cb->get_size();
cb_rect.position.x = w;
cb_rect.position.y = sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - (cb_rect.size.y)) / 2;
if (!tabs[i].disabled && cb_hover == i) {
if (cb_pressing)
get_stylebox("button_pressed")->draw(ci, cb_rect);
else
style->draw(ci, cb_rect);
}
cb->draw(ci, Point2i(w + style->get_margin(MARGIN_LEFT), cb_rect.position.y + style->get_margin(MARGIN_TOP)));
w += cb->get_width();
tabs[i].cb_rect = cb_rect;
}
w += sb->get_margin(MARGIN_RIGHT);
}
if (offset > 0 || missing_right) {
int vofs = (get_size().height - incr->get_size().height) / 2;
if (offset > 0)
draw_texture(highlight_arrow == 0 ? decr_hl : decr, Point2(limit, vofs));
else
draw_texture(decr, Point2(limit, vofs), Color(1, 1, 1, 0.5));
if (missing_right)
draw_texture(highlight_arrow == 1 ? incr_hl : incr, Point2(limit + decr->get_size().width, vofs));
else
draw_texture(incr, Point2(limit + decr->get_size().width, vofs), Color(1, 1, 1, 0.5));
buttons_visible = true;
} else {
buttons_visible = false;
}
} break;
}
}
int Tabs::get_tab_count() const {
return tabs.size();
}
void Tabs::set_current_tab(int p_current) {
if (current == p_current) return;
ERR_FAIL_INDEX(p_current, get_tab_count());
current = p_current;
_change_notify("current_tab");
_update_cache();
update();
emit_signal("tab_changed", p_current);
}
int Tabs::get_current_tab() const {
return current;
}
int Tabs::get_hovered_tab() const {
return hover;
}
void Tabs::set_tab_title(int p_tab, const String &p_title) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs[p_tab].text = p_title;
update();
minimum_size_changed();
}
String Tabs::get_tab_title(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), "");
return tabs[p_tab].text;
}
void Tabs::set_tab_icon(int p_tab, const Ref<Texture> &p_icon) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs[p_tab].icon = p_icon;
update();
minimum_size_changed();
}
Ref<Texture> Tabs::get_tab_icon(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture>());
return tabs[p_tab].icon;
}
void Tabs::set_tab_disabled(int p_tab, bool p_disabled) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs[p_tab].disabled = p_disabled;
update();
}
bool Tabs::get_tab_disabled(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), false);
return tabs[p_tab].disabled;
}
void Tabs::set_tab_right_button(int p_tab, const Ref<Texture> &p_right_button) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs[p_tab].right_button = p_right_button;
update();
minimum_size_changed();
}
Ref<Texture> Tabs::get_tab_right_button(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture>());
return tabs[p_tab].right_button;
}
void Tabs::_update_cache() {
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
Ref<Font> font = get_font("font");
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
int w = 0;
int mw = 0;
int size_fixed = 0;
int count_resize = 0;
for (int i = 0; i < tabs.size(); i++) {
tabs[i].ofs_cache = mw;
tabs[i].size_cache = get_tab_width(i);
tabs[i].size_text = font->get_string_size(tabs[i].text).width;
mw += tabs[i].size_cache;
if (tabs[i].size_cache <= min_width || i == current) {
size_fixed += tabs[i].size_cache;
} else {
count_resize++;
}
}
int m_width = min_width;
if (count_resize > 0) {
m_width = MAX((limit - size_fixed) / count_resize, min_width);
}
for (int i = 0; i < tabs.size(); i++) {
if (i < offset)
continue;
Ref<StyleBox> sb;
if (tabs[i].disabled) {
sb = tab_disabled;
} else if (i == current) {
sb = tab_fg;
} else {
sb = tab_bg;
}
int lsize = tabs[i].size_cache;
int slen = tabs[i].size_text;
if (min_width > 0 && mw > limit && i != current) {
if (lsize > m_width) {
slen = m_width - (sb->get_margin(MARGIN_LEFT) + sb->get_margin(MARGIN_RIGHT));
if (tabs[i].icon.is_valid()) {
slen -= tabs[i].icon->get_width();
slen -= get_constant("hseparation");
}
if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
Ref<Texture> cb = get_icon("close");
slen -= cb->get_width();
slen -= get_constant("hseparation");
}
slen = MAX(slen, 1);
lsize = m_width;
}
}
tabs[i].ofs_cache = w;
tabs[i].size_cache = lsize;
tabs[i].size_text = slen;
w += lsize;
}
}
void Tabs::add_tab(const String &p_str, const Ref<Texture> &p_icon) {
Tab t;
t.text = p_str;
t.icon = p_icon;
t.disabled = false;
t.ofs_cache = 0;
t.size_cache = 0;
tabs.push_back(t);
_update_cache();
update();
minimum_size_changed();
}
void Tabs::clear_tabs() {
tabs.clear();
current = 0;
update();
}
void Tabs::remove_tab(int p_idx) {
ERR_FAIL_INDEX(p_idx, tabs.size());
tabs.remove(p_idx);
if (current >= p_idx)
current--;
_update_cache();
update();
minimum_size_changed();
if (current < 0)
current = 0;
if (current >= tabs.size())
current = tabs.size() - 1;
_ensure_no_over_offset();
}
Variant Tabs::get_drag_data(const Point2 &p_point) {
return get_tab_idx_at_point(p_point);
}
bool Tabs::can_drop_data(const Point2 &p_point, const Variant &p_data) const {
return get_tab_idx_at_point(p_point) > -1;
}
void Tabs::drop_data(const Point2 &p_point, const Variant &p_data) {
int hover_now = get_tab_idx_at_point(p_point);
ERR_FAIL_INDEX(hover_now, tabs.size());
emit_signal("reposition_active_tab_request", hover_now);
}
int Tabs::get_tab_idx_at_point(const Point2 &p_point) const {
int hover_now = -1;
for (int i = 0; i < tabs.size(); i++) {
if (i < offset)
continue;
Rect2 rect = get_tab_rect(i);
if (rect.has_point(p_point)) {
hover_now = i;
}
}
return hover_now;
}
void Tabs::set_tab_align(TabAlign p_align) {
ERR_FAIL_INDEX(p_align, ALIGN_MAX);
tab_align = p_align;
update();
}
Tabs::TabAlign Tabs::get_tab_align() const {
return tab_align;
}
void Tabs::move_tab(int from, int to) {
if (from == to)
return;
ERR_FAIL_INDEX(from, tabs.size());
ERR_FAIL_INDEX(to, tabs.size());
Tab tab_from = tabs[from];
tabs.remove(from);
tabs.insert(to, tab_from);
_update_cache();
update();
}
int Tabs::get_tab_width(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, tabs.size(), 0);
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
Ref<Font> font = get_font("font");
int x = 0;
Ref<Texture> tex = tabs[p_idx].icon;
if (tex.is_valid()) {
x += tex->get_width();
if (tabs[p_idx].text != "")
x += get_constant("hseparation");
}
x += font->get_string_size(tabs[p_idx].text).width;
if (tabs[p_idx].disabled)
x += tab_disabled->get_minimum_size().width;
else if (current == p_idx)
x += tab_fg->get_minimum_size().width;
else
x += tab_bg->get_minimum_size().width;
if (tabs[p_idx].right_button.is_valid()) {
Ref<Texture> rb = tabs[p_idx].right_button;
x += rb->get_width();
x += get_constant("hseparation");
}
if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_idx == current)) {
Ref<Texture> cb = get_icon("close");
x += cb->get_width();
x += get_constant("hseparation");
}
return x;
}
void Tabs::_ensure_no_over_offset() {
if (!is_inside_tree())
return;
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
while (offset > 0) {
int total_w = 0;
for (int i = 0; i < tabs.size(); i++) {
if (i < offset - 1)
continue;
total_w += tabs[i].size_cache;
}
if (total_w < limit) {
offset--;
update();
} else {
break;
}
}
}
void Tabs::ensure_tab_visible(int p_idx) {
if (!is_inside_tree())
return;
if (tabs.size() == 0) return;
ERR_FAIL_INDEX(p_idx, tabs.size());
if (p_idx == offset) {
return;
}
if (p_idx < offset) {
offset = p_idx;
update();
return;
}
int prev_offset = offset;
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
for (int i = offset; i <= p_idx; i++) {
if (tabs[i].ofs_cache + tabs[i].size_cache > limit) {
offset++;
}
}
if (prev_offset != offset) {
update();
}
}
Rect2 Tabs::get_tab_rect(int p_tab) const {
return Rect2(tabs[p_tab].ofs_cache, 0, tabs[p_tab].size_cache, get_size().height);
}
void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX);
cb_displaypolicy = p_policy;
update();
}
Tabs::CloseButtonDisplayPolicy Tabs::get_tab_close_display_policy() const {
return cb_displaypolicy;
}
void Tabs::set_min_width(int p_width) {
min_width = p_width;
}
void Tabs::_bind_methods() {
ClassDB::bind_method(D_METHOD("_gui_input"), &Tabs::_gui_input);
ClassDB::bind_method(D_METHOD("get_tab_count"), &Tabs::get_tab_count);
ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &Tabs::set_current_tab);
ClassDB::bind_method(D_METHOD("get_current_tab"), &Tabs::get_current_tab);
ClassDB::bind_method(D_METHOD("set_tab_title", "tab_idx", "title"), &Tabs::set_tab_title);
ClassDB::bind_method(D_METHOD("get_tab_title", "tab_idx"), &Tabs::get_tab_title);
ClassDB::bind_method(D_METHOD("set_tab_icon", "tab_idx", "icon:Texture"), &Tabs::set_tab_icon);
ClassDB::bind_method(D_METHOD("get_tab_icon:Texture", "tab_idx"), &Tabs::get_tab_icon);
ClassDB::bind_method(D_METHOD("set_tab_disabled", "tab_idx", "disabled"), &Tabs::set_tab_disabled);
ClassDB::bind_method(D_METHOD("get_tab_disabled", "tab_idx"), &Tabs::get_tab_disabled);
ClassDB::bind_method(D_METHOD("remove_tab", "tab_idx"), &Tabs::remove_tab);
ClassDB::bind_method(D_METHOD("add_tab", "title", "icon:Texture"), &Tabs::add_tab, DEFVAL(""), DEFVAL(Ref<Texture>()));
ClassDB::bind_method(D_METHOD("set_tab_align", "align"), &Tabs::set_tab_align);
ClassDB::bind_method(D_METHOD("get_tab_align"), &Tabs::get_tab_align);
ClassDB::bind_method(D_METHOD("ensure_tab_visible", "idx"), &Tabs::ensure_tab_visible);
ClassDB::bind_method(D_METHOD("get_tab_rect", "tab_idx"), &Tabs::get_tab_rect);
ClassDB::bind_method(D_METHOD("move_tab", "from", "to"), &Tabs::move_tab);
ClassDB::bind_method(D_METHOD("set_tab_close_display_policy", "policy"), &Tabs::set_tab_close_display_policy);
ClassDB::bind_method(D_METHOD("get_tab_close_display_policy"), &Tabs::get_tab_close_display_policy);
ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("right_button_pressed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_close", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_hover", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("reposition_active_tab_request", PropertyInfo(Variant::INT, "idx_to")));
ADD_SIGNAL(MethodInfo("tab_clicked", PropertyInfo(Variant::INT, "tab")));
ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1", PROPERTY_USAGE_EDITOR), "set_current_tab", "get_current_tab");
ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "tab_close_display_policy", PROPERTY_HINT_ENUM, "Show Never,Show Active Only,Show Always"), "set_tab_close_display_policy", "get_tab_close_display_policy");
BIND_CONSTANT(ALIGN_LEFT);
BIND_CONSTANT(ALIGN_CENTER);
BIND_CONSTANT(ALIGN_RIGHT);
BIND_CONSTANT(ALIGN_MAX);
BIND_CONSTANT(CLOSE_BUTTON_SHOW_ACTIVE_ONLY);
BIND_CONSTANT(CLOSE_BUTTON_SHOW_ALWAYS);
BIND_CONSTANT(CLOSE_BUTTON_SHOW_NEVER);
BIND_CONSTANT(CLOSE_BUTTON_MAX);
}
Tabs::Tabs() {
current = 0;
tab_align = ALIGN_CENTER;
rb_hover = -1;
rb_pressing = false;
highlight_arrow = -1;
cb_hover = -1;
cb_pressing = false;
cb_displaypolicy = CLOSE_BUTTON_SHOW_NEVER;
offset = 0;
max_drawn_tab = 0;
min_width = 0;
}
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