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godot/scene/gui/tab_container.cpp

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/*************************************************************************/
/* tab_container.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "tab_container.h"
#include "scene/gui/box_container.h"
#include "scene/gui/label.h"
#include "scene/gui/texture_rect.h"
int TabContainer::_get_top_margin() const {
int height = 0;
if (tabs_visible && get_tab_count() > 0) {
height = tab_bar->get_minimum_size().height;
}
return height;
}
void TabContainer::gui_input(const Ref<InputEvent> &p_event) {
ERR_FAIL_COND(p_event.is_null());
Ref<InputEventMouseButton> mb = p_event;
Popup *popup = get_popup();
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
Point2 pos = mb->get_position();
Size2 size = get_size();
// Click must be on tabs in the tab header area.
if (pos.y > _get_top_margin()) {
return;
}
// Handle menu button.
if (is_layout_rtl()) {
if (popup && pos.x < theme_cache.menu_icon->get_width()) {
emit_signal(SNAME("pre_popup_pressed"));
Vector2 popup_pos = get_screen_position();
popup_pos.y += theme_cache.menu_icon->get_height();
popup->set_position(popup_pos);
popup->popup();
return;
}
} else {
if (popup && pos.x > size.width - theme_cache.menu_icon->get_width()) {
emit_signal(SNAME("pre_popup_pressed"));
Vector2 popup_pos = get_screen_position();
popup_pos.x += size.width - popup->get_size().width;
popup_pos.y += theme_cache.menu_icon->get_height();
popup->set_position(popup_pos);
popup->popup();
return;
}
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
Point2 pos = mm->get_position();
Size2 size = get_size();
// Mouse must be on tabs in the tab header area.
if (pos.y > _get_top_margin()) {
if (menu_hovered) {
menu_hovered = false;
queue_redraw();
}
return;
}
if (popup) {
if (is_layout_rtl()) {
if (pos.x <= theme_cache.menu_icon->get_width()) {
if (!menu_hovered) {
menu_hovered = true;
queue_redraw();
return;
}
} else if (menu_hovered) {
menu_hovered = false;
queue_redraw();
}
} else {
if (pos.x >= size.width - theme_cache.menu_icon->get_width()) {
if (!menu_hovered) {
menu_hovered = true;
queue_redraw();
return;
}
} else if (menu_hovered) {
menu_hovered = false;
queue_redraw();
}
}
if (menu_hovered) {
return;
}
}
}
}
void TabContainer::_update_theme_item_cache() {
Container::_update_theme_item_cache();
theme_cache.side_margin = get_theme_constant(SNAME("side_margin"));
theme_cache.panel_style = get_theme_stylebox(SNAME("panel"));
theme_cache.tabbar_style = get_theme_stylebox(SNAME("tabbar_background"));
theme_cache.menu_icon = get_theme_icon(SNAME("menu"));
theme_cache.menu_hl_icon = get_theme_icon(SNAME("menu_highlight"));
// TabBar overrides.
theme_cache.icon_separation = get_theme_constant(SNAME("icon_separation"));
theme_cache.outline_size = get_theme_constant(SNAME("outline_size"));
theme_cache.tab_unselected_style = get_theme_stylebox(SNAME("tab_unselected"));
theme_cache.tab_selected_style = get_theme_stylebox(SNAME("tab_selected"));
theme_cache.tab_disabled_style = get_theme_stylebox(SNAME("tab_disabled"));
theme_cache.increment_icon = get_theme_icon(SNAME("increment"));
theme_cache.increment_hl_icon = get_theme_icon(SNAME("increment_highlight"));
theme_cache.decrement_icon = get_theme_icon(SNAME("decrement"));
theme_cache.decrement_hl_icon = get_theme_icon(SNAME("decrement_highlight"));
theme_cache.drop_mark_icon = get_theme_icon(SNAME("drop_mark"));
theme_cache.drop_mark_color = get_theme_color(SNAME("drop_mark_color"));
theme_cache.font_selected_color = get_theme_color(SNAME("font_selected_color"));
theme_cache.font_unselected_color = get_theme_color(SNAME("font_unselected_color"));
theme_cache.font_disabled_color = get_theme_color(SNAME("font_disabled_color"));
theme_cache.font_outline_color = get_theme_color(SNAME("font_outline_color"));
theme_cache.tab_font = get_theme_font(SNAME("font"));
theme_cache.tab_font_size = get_theme_font_size(SNAME("font_size"));
}
void TabContainer::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
// If some nodes happen to be renamed outside the tree, the tab names need to be updated manually.
if (get_tab_count() > 0) {
_refresh_tab_names();
}
} break;
case NOTIFICATION_READY:
case NOTIFICATION_RESIZED: {
_update_margins();
} break;
case NOTIFICATION_DRAW: {
RID canvas = get_canvas_item();
Size2 size = get_size();
// Draw only the tab area if the header is hidden.
if (!tabs_visible) {
theme_cache.panel_style->draw(canvas, Rect2(0, 0, size.width, size.height));
return;
}
int header_height = _get_top_margin();
// Draw background for the tabbar.
theme_cache.tabbar_style->draw(canvas, Rect2(0, 0, size.width, header_height));
// Draw the background for the tab's content.
theme_cache.panel_style->draw(canvas, Rect2(0, header_height, size.width, size.height - header_height));
// Draw the popup menu.
if (get_popup()) {
int x = is_layout_rtl() ? 0 : get_size().width - theme_cache.menu_icon->get_width();
if (menu_hovered) {
theme_cache.menu_hl_icon->draw(get_canvas_item(), Point2(x, (header_height - theme_cache.menu_hl_icon->get_height()) / 2));
} else {
theme_cache.menu_icon->draw(get_canvas_item(), Point2(x, (header_height - theme_cache.menu_icon->get_height()) / 2));
}
}
} break;
case NOTIFICATION_TRANSLATION_CHANGED:
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
case NOTIFICATION_THEME_CHANGED: {
theme_changing = true;
call_deferred(SNAME("_on_theme_changed")); // Wait until all changed theme.
} break;
}
}
void TabContainer::_on_theme_changed() {
if (!theme_changing) {
return;
}
tab_bar->add_theme_style_override(SNAME("tab_unselected"), theme_cache.tab_unselected_style);
tab_bar->add_theme_style_override(SNAME("tab_selected"), theme_cache.tab_selected_style);
tab_bar->add_theme_style_override(SNAME("tab_disabled"), theme_cache.tab_disabled_style);
tab_bar->add_theme_icon_override(SNAME("increment"), theme_cache.increment_icon);
tab_bar->add_theme_icon_override(SNAME("increment_highlight"), theme_cache.increment_hl_icon);
tab_bar->add_theme_icon_override(SNAME("decrement"), theme_cache.decrement_icon);
tab_bar->add_theme_icon_override(SNAME("decrement_highlight"), theme_cache.decrement_hl_icon);
tab_bar->add_theme_icon_override(SNAME("drop_mark"), theme_cache.drop_mark_icon);
tab_bar->add_theme_color_override(SNAME("drop_mark_color"), theme_cache.drop_mark_color);
tab_bar->add_theme_color_override(SNAME("font_selected_color"), theme_cache.font_selected_color);
tab_bar->add_theme_color_override(SNAME("font_unselected_color"), theme_cache.font_unselected_color);
tab_bar->add_theme_color_override(SNAME("font_disabled_color"), theme_cache.font_disabled_color);
tab_bar->add_theme_color_override(SNAME("font_outline_color"), theme_cache.font_outline_color);
tab_bar->add_theme_font_override(SNAME("font"), theme_cache.tab_font);
tab_bar->add_theme_font_size_override(SNAME("font_size"), theme_cache.tab_font_size);
tab_bar->add_theme_constant_override(SNAME("h_separation"), theme_cache.icon_separation);
tab_bar->add_theme_constant_override(SNAME("outline_size"), theme_cache.outline_size);
_update_margins();
if (get_tab_count() > 0) {
_repaint();
} else {
update_minimum_size();
}
queue_redraw();
theme_changing = false;
}
void TabContainer::_repaint() {
Vector<Control *> controls = _get_tab_controls();
int current = get_current_tab();
for (int i = 0; i < controls.size(); i++) {
Control *c = controls[i];
if (i == current) {
c->show();
c->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
if (tabs_visible) {
c->set_offset(SIDE_TOP, _get_top_margin());
}
c->set_offset(SIDE_TOP, c->get_offset(SIDE_TOP) + theme_cache.panel_style->get_margin(SIDE_TOP));
c->set_offset(SIDE_LEFT, c->get_offset(SIDE_LEFT) + theme_cache.panel_style->get_margin(SIDE_LEFT));
c->set_offset(SIDE_RIGHT, c->get_offset(SIDE_RIGHT) - theme_cache.panel_style->get_margin(SIDE_RIGHT));
c->set_offset(SIDE_BOTTOM, c->get_offset(SIDE_BOTTOM) - theme_cache.panel_style->get_margin(SIDE_BOTTOM));
} else {
c->hide();
}
}
update_minimum_size();
}
void TabContainer::_update_margins() {
int menu_width = theme_cache.menu_icon->get_width();
// Directly check for validity, to avoid errors when quitting.
bool has_popup = popup_obj_id.is_valid();
if (get_tab_count() == 0) {
tab_bar->set_offset(SIDE_LEFT, 0);
tab_bar->set_offset(SIDE_RIGHT, has_popup ? -menu_width : 0);
return;
}
switch (get_tab_alignment()) {
case TabBar::ALIGNMENT_LEFT: {
tab_bar->set_offset(SIDE_LEFT, theme_cache.side_margin);
tab_bar->set_offset(SIDE_RIGHT, has_popup ? -menu_width : 0);
} break;
case TabBar::ALIGNMENT_CENTER: {
tab_bar->set_offset(SIDE_LEFT, 0);
tab_bar->set_offset(SIDE_RIGHT, has_popup ? -menu_width : 0);
} break;
case TabBar::ALIGNMENT_RIGHT: {
tab_bar->set_offset(SIDE_LEFT, 0);
if (has_popup) {
tab_bar->set_offset(SIDE_RIGHT, -menu_width);
return;
}
int first_tab_pos = tab_bar->get_tab_rect(0).position.x;
Rect2 last_tab_rect = tab_bar->get_tab_rect(get_tab_count() - 1);
int total_tabs_width = last_tab_rect.position.x - first_tab_pos + last_tab_rect.size.width;
// Calculate if all the tabs would still fit if the margin was present.
if (get_clip_tabs() && (tab_bar->get_offset_buttons_visible() || (get_tab_count() > 1 && (total_tabs_width + theme_cache.side_margin) > get_size().width))) {
tab_bar->set_offset(SIDE_RIGHT, has_popup ? -menu_width : 0);
} else {
tab_bar->set_offset(SIDE_RIGHT, -theme_cache.side_margin);
}
} break;
case TabBar::ALIGNMENT_MAX:
break; // Can't happen, but silences warning.
}
}
void TabContainer::_on_mouse_exited() {
if (menu_hovered) {
menu_hovered = false;
queue_redraw();
}
}
Vector<Control *> TabContainer::_get_tab_controls() const {
Vector<Control *> controls;
for (int i = 0; i < get_child_count(); i++) {
Control *control = Object::cast_to<Control>(get_child(i));
if (!control || control->is_set_as_top_level() || control == tab_bar || control == child_removing) {
continue;
}
controls.push_back(control);
}
return controls;
}
Variant TabContainer::_get_drag_data_fw(const Point2 &p_point, Control *p_from_control) {
if (!drag_to_rearrange_enabled) {
return Variant();
}
int tab_over = get_tab_idx_at_point(p_point);
if (tab_over < 0) {
return Variant();
}
HBoxContainer *drag_preview = memnew(HBoxContainer);
Ref<Texture2D> icon = get_tab_icon(tab_over);
if (!icon.is_null()) {
TextureRect *tf = memnew(TextureRect);
tf->set_texture(icon);
drag_preview->add_child(tf);
}
Label *label = memnew(Label(get_tab_title(tab_over)));
set_drag_preview(drag_preview);
drag_preview->add_child(label);
Dictionary drag_data;
drag_data["type"] = "tabc_element";
drag_data["tabc_element"] = tab_over;
drag_data["from_path"] = get_path();
return drag_data;
}
bool TabContainer::_can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from_control) const {
if (!drag_to_rearrange_enabled) {
return false;
}
Dictionary d = p_data;
if (!d.has("type")) {
return false;
}
if (String(d["type"]) == "tabc_element") {
NodePath from_path = d["from_path"];
NodePath to_path = get_path();
if (from_path == to_path) {
return true;
} else if (get_tabs_rearrange_group() != -1) {
// Drag and drop between other TabContainers.
Node *from_node = get_node(from_path);
TabContainer *from_tabc = Object::cast_to<TabContainer>(from_node);
if (from_tabc && from_tabc->get_tabs_rearrange_group() == get_tabs_rearrange_group()) {
return true;
}
}
}
return false;
}
void TabContainer::_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from_control) {
if (!drag_to_rearrange_enabled) {
return;
}
Dictionary d = p_data;
if (!d.has("type")) {
return;
}
if (String(d["type"]) == "tabc_element") {
int tab_from_id = d["tabc_element"];
int hover_now = get_tab_idx_at_point(p_point);
NodePath from_path = d["from_path"];
NodePath to_path = get_path();
if (from_path == to_path) {
if (tab_from_id == hover_now) {
return;
}
// Drop the new tab to the left or right depending on where the target tab is being hovered.
if (hover_now != -1) {
Rect2 tab_rect = tab_bar->get_tab_rect(hover_now);
if (is_layout_rtl() ^ (p_point.x <= tab_rect.position.x + tab_rect.size.width / 2)) {
if (hover_now > tab_from_id) {
hover_now -= 1;
}
} else if (tab_from_id > hover_now) {
hover_now += 1;
}
} else {
hover_now = is_layout_rtl() ^ (p_point.x < tab_bar->get_tab_rect(0).position.x) ? 0 : get_tab_count() - 1;
}
move_child(get_tab_control(tab_from_id), get_tab_control(hover_now)->get_index(false));
if (!is_tab_disabled(hover_now)) {
set_current_tab(hover_now);
}
} else if (get_tabs_rearrange_group() != -1) {
// Drag and drop between TabContainers.
Node *from_node = get_node(from_path);
TabContainer *from_tabc = Object::cast_to<TabContainer>(from_node);
if (from_tabc && from_tabc->get_tabs_rearrange_group() == get_tabs_rearrange_group()) {
// Get the tab properties before they get erased by the child removal.
String tab_title = from_tabc->get_tab_title(tab_from_id);
bool tab_disabled = from_tabc->is_tab_disabled(tab_from_id);
// Drop the new tab to the left or right depending on where the target tab is being hovered.
if (hover_now != -1) {
Rect2 tab_rect = tab_bar->get_tab_rect(hover_now);
if (is_layout_rtl() ^ (p_point.x > tab_rect.position.x + tab_rect.size.width / 2)) {
hover_now += 1;
}
} else {
hover_now = is_layout_rtl() ^ (p_point.x < tab_bar->get_tab_rect(0).position.x) ? 0 : get_tab_count();
}
Control *moving_tabc = from_tabc->get_tab_control(tab_from_id);
from_tabc->remove_child(moving_tabc);
add_child(moving_tabc, true);
set_tab_title(get_tab_count() - 1, tab_title);
set_tab_disabled(get_tab_count() - 1, tab_disabled);
move_child(moving_tabc, get_tab_control(hover_now)->get_index(false));
if (!is_tab_disabled(hover_now)) {
set_current_tab(hover_now);
}
}
}
}
}
void TabContainer::_on_tab_changed(int p_tab) {
call_deferred(SNAME("_repaint"));
emit_signal(SNAME("tab_changed"), p_tab);
}
void TabContainer::_on_tab_selected(int p_tab) {
if (p_tab != get_previous_tab()) {
call_deferred(SNAME("_repaint"));
}
emit_signal(SNAME("tab_selected"), p_tab);
}
void TabContainer::_on_tab_button_pressed(int p_tab) {
emit_signal(SNAME("tab_button_pressed"), p_tab);
}
void TabContainer::_refresh_tab_names() {
Vector<Control *> controls = _get_tab_controls();
for (int i = 0; i < controls.size(); i++) {
if (!controls[i]->has_meta("_tab_name") && String(controls[i]->get_name()) != get_tab_title(i)) {
tab_bar->set_tab_title(i, controls[i]->get_name());
}
}
}
void TabContainer::add_child_notify(Node *p_child) {
if (p_child == tab_bar) {
return;
}
Container::add_child_notify(p_child);
Control *c = Object::cast_to<Control>(p_child);
if (!c || c->is_set_as_top_level()) {
return;
}
c->hide();
tab_bar->add_tab(p_child->get_name());
_update_margins();
if (get_tab_count() == 1) {
queue_redraw();
}
p_child->connect("renamed", callable_mp(this, &TabContainer::_refresh_tab_names));
// TabBar won't emit the "tab_changed" signal when not inside the tree.
if (!is_inside_tree()) {
call_deferred("_repaint");
}
}
void TabContainer::move_child_notify(Node *p_child) {
if (p_child == tab_bar) {
return;
}
Container::move_child_notify(p_child);
Control *c = Object::cast_to<Control>(p_child);
if (c && !c->is_set_as_top_level()) {
int old_idx = -1;
String tab_name = String(c->get_meta("_tab_name", c->get_name()));
// Find the previous tab index of the control.
for (int i = 0; i < get_tab_count(); i++) {
if (get_tab_title(i) == tab_name) {
old_idx = i;
break;
}
}
tab_bar->move_tab(old_idx, get_tab_idx_from_control(c));
}
}
void TabContainer::remove_child_notify(Node *p_child) {
if (p_child == tab_bar) {
return;
}
Container::remove_child_notify(p_child);
Control *c = Object::cast_to<Control>(p_child);
if (!c || c->is_set_as_top_level()) {
return;
}
int idx = get_tab_idx_from_control(c);
// Before this, the tab control has not changed; after this, the tab control has changed.
child_removing = p_child;
tab_bar->remove_tab(idx);
child_removing = nullptr;
_update_margins();
if (get_tab_count() == 0) {
queue_redraw();
}
p_child->remove_meta("_tab_name");
p_child->disconnect("renamed", callable_mp(this, &TabContainer::_refresh_tab_names));
// TabBar won't emit the "tab_changed" signal when not inside the tree.
if (!is_inside_tree()) {
call_deferred("_repaint");
}
}
int TabContainer::get_tab_count() const {
return tab_bar->get_tab_count();
}
void TabContainer::set_current_tab(int p_current) {
tab_bar->set_current_tab(p_current);
}
int TabContainer::get_current_tab() const {
return tab_bar->get_current_tab();
}
int TabContainer::get_previous_tab() const {
return tab_bar->get_previous_tab();
}
Control *TabContainer::get_tab_control(int p_idx) const {
Vector<Control *> controls = _get_tab_controls();
if (p_idx >= 0 && p_idx < controls.size()) {
return controls[p_idx];
} else {
return nullptr;
}
}
Control *TabContainer::get_current_tab_control() const {
return get_tab_control(tab_bar->get_current_tab());
}
int TabContainer::get_tab_idx_at_point(const Point2 &p_point) const {
return tab_bar->get_tab_idx_at_point(p_point);
}
int TabContainer::get_tab_idx_from_control(Control *p_child) const {
ERR_FAIL_NULL_V(p_child, -1);
ERR_FAIL_COND_V(p_child->get_parent() != this, -1);
Vector<Control *> controls = _get_tab_controls();
for (int i = 0; i < controls.size(); i++) {
if (controls[i] == p_child) {
return i;
}
}
return -1;
}
void TabContainer::set_tab_alignment(TabBar::AlignmentMode p_alignment) {
if (tab_bar->get_tab_alignment() == p_alignment) {
return;
}
tab_bar->set_tab_alignment(p_alignment);
_update_margins();
}
TabBar::AlignmentMode TabContainer::get_tab_alignment() const {
return tab_bar->get_tab_alignment();
}
void TabContainer::set_clip_tabs(bool p_clip_tabs) {
tab_bar->set_clip_tabs(p_clip_tabs);
}
bool TabContainer::get_clip_tabs() const {
return tab_bar->get_clip_tabs();
}
void TabContainer::set_tabs_visible(bool p_visible) {
if (p_visible == tabs_visible) {
return;
}
tabs_visible = p_visible;
tab_bar->set_visible(tabs_visible);
Vector<Control *> controls = _get_tab_controls();
for (int i = 0; i < controls.size(); i++) {
Control *c = controls[i];
if (tabs_visible) {
c->set_offset(SIDE_TOP, _get_top_margin());
} else {
c->set_offset(SIDE_TOP, 0);
}
}
queue_redraw();
update_minimum_size();
}
bool TabContainer::are_tabs_visible() const {
return tabs_visible;
}
void TabContainer::set_all_tabs_in_front(bool p_in_front) {
if (p_in_front == all_tabs_in_front) {
return;
}
all_tabs_in_front = p_in_front;
remove_child(tab_bar);
add_child(tab_bar, false, all_tabs_in_front ? INTERNAL_MODE_FRONT : INTERNAL_MODE_BACK);
}
bool TabContainer::is_all_tabs_in_front() const {
return all_tabs_in_front;
}
void TabContainer::set_tab_title(int p_tab, const String &p_title) {
Control *child = get_tab_control(p_tab);
ERR_FAIL_COND(!child);
if (tab_bar->get_tab_title(p_tab) == p_title) {
return;
}
tab_bar->set_tab_title(p_tab, p_title);
if (p_title == child->get_name()) {
child->remove_meta("_tab_name");
} else {
child->set_meta("_tab_name", p_title);
}
_update_margins();
if (!get_clip_tabs()) {
update_minimum_size();
}
}
String TabContainer::get_tab_title(int p_tab) const {
return tab_bar->get_tab_title(p_tab);
}
void TabContainer::set_tab_icon(int p_tab, const Ref<Texture2D> &p_icon) {
if (tab_bar->get_tab_icon(p_tab) == p_icon) {
return;
}
tab_bar->set_tab_icon(p_tab, p_icon);
_update_margins();
_repaint();
}
Ref<Texture2D> TabContainer::get_tab_icon(int p_tab) const {
return tab_bar->get_tab_icon(p_tab);
}
void TabContainer::set_tab_disabled(int p_tab, bool p_disabled) {
if (tab_bar->is_tab_disabled(p_tab) == p_disabled) {
return;
}
tab_bar->set_tab_disabled(p_tab, p_disabled);
_update_margins();
if (!get_clip_tabs()) {
update_minimum_size();
}
}
bool TabContainer::is_tab_disabled(int p_tab) const {
return tab_bar->is_tab_disabled(p_tab);
}
void TabContainer::set_tab_hidden(int p_tab, bool p_hidden) {
Control *child = get_tab_control(p_tab);
ERR_FAIL_COND(!child);
if (tab_bar->is_tab_hidden(p_tab) == p_hidden) {
return;
}
tab_bar->set_tab_hidden(p_tab, p_hidden);
child->hide();
_update_margins();
if (!get_clip_tabs()) {
update_minimum_size();
}
call_deferred(SNAME("_repaint"));
}
bool TabContainer::is_tab_hidden(int p_tab) const {
return tab_bar->is_tab_hidden(p_tab);
}
void TabContainer::set_tab_button_icon(int p_tab, const Ref<Texture2D> &p_icon) {
tab_bar->set_tab_button_icon(p_tab, p_icon);
_update_margins();
_repaint();
}
Ref<Texture2D> TabContainer::get_tab_button_icon(int p_tab) const {
return tab_bar->get_tab_button_icon(p_tab);
}
void TabContainer::get_translatable_strings(List<String> *p_strings) const {
Vector<Control *> controls = _get_tab_controls();
for (int i = 0; i < controls.size(); i++) {
Control *c = controls[i];
if (!c->has_meta("_tab_name")) {
continue;
}
String name = c->get_meta("_tab_name");
if (!name.is_empty()) {
p_strings->push_back(name);
}
}
}
Size2 TabContainer::get_minimum_size() const {
Size2 ms;
if (tabs_visible) {
ms = tab_bar->get_minimum_size();
if (!get_clip_tabs()) {
if (get_popup()) {
ms.x += theme_cache.menu_icon->get_width();
}
if (theme_cache.side_margin > 0 && get_tab_alignment() != TabBar::ALIGNMENT_CENTER &&
(get_tab_alignment() != TabBar::ALIGNMENT_RIGHT || !get_popup())) {
ms.x += theme_cache.side_margin;
}
}
}
Vector<Control *> controls = _get_tab_controls();
int max_control_height = 0;
for (int i = 0; i < controls.size(); i++) {
Control *c = controls[i];
if (!c->is_visible_in_tree() && !use_hidden_tabs_for_min_size) {
continue;
}
Size2 cms = c->get_combined_minimum_size();
ms.x = MAX(ms.x, cms.x);
max_control_height = MAX(max_control_height, cms.y);
}
ms.y += max_control_height;
Size2 panel_ms = theme_cache.panel_style->get_minimum_size();
ms.x = MAX(ms.x, panel_ms.x);
ms.y += panel_ms.y;
return ms;
}
void TabContainer::set_popup(Node *p_popup) {
bool had_popup = get_popup();
Popup *popup = Object::cast_to<Popup>(p_popup);
ObjectID popup_id = popup ? popup->get_instance_id() : ObjectID();
if (popup_obj_id == popup_id) {
return;
}
popup_obj_id = popup_id;
if (had_popup != bool(popup)) {
queue_redraw();
_update_margins();
if (!get_clip_tabs()) {
update_minimum_size();
}
}
}
Popup *TabContainer::get_popup() const {
if (popup_obj_id.is_valid()) {
Popup *popup = Object::cast_to<Popup>(ObjectDB::get_instance(popup_obj_id));
if (popup) {
return popup;
} else {
#ifdef DEBUG_ENABLED
ERR_PRINT("Popup assigned to TabContainer is gone!");
#endif
popup_obj_id = ObjectID();
}
}
return nullptr;
}
void TabContainer::set_drag_to_rearrange_enabled(bool p_enabled) {
drag_to_rearrange_enabled = p_enabled;
}
bool TabContainer::get_drag_to_rearrange_enabled() const {
return drag_to_rearrange_enabled;
}
void TabContainer::set_tabs_rearrange_group(int p_group_id) {
tab_bar->set_tabs_rearrange_group(p_group_id);
}
int TabContainer::get_tabs_rearrange_group() const {
return tab_bar->get_tabs_rearrange_group();
}
void TabContainer::set_use_hidden_tabs_for_min_size(bool p_use_hidden_tabs) {
if (use_hidden_tabs_for_min_size == p_use_hidden_tabs) {
return;
}
use_hidden_tabs_for_min_size = p_use_hidden_tabs;
update_minimum_size();
}
bool TabContainer::get_use_hidden_tabs_for_min_size() const {
return use_hidden_tabs_for_min_size;
}
Vector<int> TabContainer::get_allowed_size_flags_horizontal() const {
return Vector<int>();
}
Vector<int> TabContainer::get_allowed_size_flags_vertical() const {
return Vector<int>();
}
void TabContainer::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_tab_count"), &TabContainer::get_tab_count);
ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &TabContainer::set_current_tab);
ClassDB::bind_method(D_METHOD("get_current_tab"), &TabContainer::get_current_tab);
ClassDB::bind_method(D_METHOD("get_previous_tab"), &TabContainer::get_previous_tab);
ClassDB::bind_method(D_METHOD("get_current_tab_control"), &TabContainer::get_current_tab_control);
ClassDB::bind_method(D_METHOD("get_tab_control", "tab_idx"), &TabContainer::get_tab_control);
ClassDB::bind_method(D_METHOD("set_tab_alignment", "alignment"), &TabContainer::set_tab_alignment);
ClassDB::bind_method(D_METHOD("get_tab_alignment"), &TabContainer::get_tab_alignment);
ClassDB::bind_method(D_METHOD("set_clip_tabs", "clip_tabs"), &TabContainer::set_clip_tabs);
ClassDB::bind_method(D_METHOD("get_clip_tabs"), &TabContainer::get_clip_tabs);
ClassDB::bind_method(D_METHOD("set_tabs_visible", "visible"), &TabContainer::set_tabs_visible);
ClassDB::bind_method(D_METHOD("are_tabs_visible"), &TabContainer::are_tabs_visible);
ClassDB::bind_method(D_METHOD("set_all_tabs_in_front", "is_front"), &TabContainer::set_all_tabs_in_front);
ClassDB::bind_method(D_METHOD("is_all_tabs_in_front"), &TabContainer::is_all_tabs_in_front);
ClassDB::bind_method(D_METHOD("set_tab_title", "tab_idx", "title"), &TabContainer::set_tab_title);
ClassDB::bind_method(D_METHOD("get_tab_title", "tab_idx"), &TabContainer::get_tab_title);
ClassDB::bind_method(D_METHOD("set_tab_icon", "tab_idx", "icon"), &TabContainer::set_tab_icon);
ClassDB::bind_method(D_METHOD("get_tab_icon", "tab_idx"), &TabContainer::get_tab_icon);
ClassDB::bind_method(D_METHOD("set_tab_disabled", "tab_idx", "disabled"), &TabContainer::set_tab_disabled);
ClassDB::bind_method(D_METHOD("is_tab_disabled", "tab_idx"), &TabContainer::is_tab_disabled);
ClassDB::bind_method(D_METHOD("set_tab_hidden", "tab_idx", "hidden"), &TabContainer::set_tab_hidden);
ClassDB::bind_method(D_METHOD("is_tab_hidden", "tab_idx"), &TabContainer::is_tab_hidden);
ClassDB::bind_method(D_METHOD("set_tab_button_icon", "tab_idx", "icon"), &TabContainer::set_tab_button_icon);
ClassDB::bind_method(D_METHOD("get_tab_button_icon", "tab_idx"), &TabContainer::get_tab_button_icon);
ClassDB::bind_method(D_METHOD("get_tab_idx_at_point", "point"), &TabContainer::get_tab_idx_at_point);
ClassDB::bind_method(D_METHOD("get_tab_idx_from_control", "control"), &TabContainer::get_tab_idx_from_control);
ClassDB::bind_method(D_METHOD("set_popup", "popup"), &TabContainer::set_popup);
ClassDB::bind_method(D_METHOD("get_popup"), &TabContainer::get_popup);
ClassDB::bind_method(D_METHOD("set_drag_to_rearrange_enabled", "enabled"), &TabContainer::set_drag_to_rearrange_enabled);
ClassDB::bind_method(D_METHOD("get_drag_to_rearrange_enabled"), &TabContainer::get_drag_to_rearrange_enabled);
ClassDB::bind_method(D_METHOD("set_tabs_rearrange_group", "group_id"), &TabContainer::set_tabs_rearrange_group);
ClassDB::bind_method(D_METHOD("get_tabs_rearrange_group"), &TabContainer::get_tabs_rearrange_group);
ClassDB::bind_method(D_METHOD("set_use_hidden_tabs_for_min_size", "enabled"), &TabContainer::set_use_hidden_tabs_for_min_size);
ClassDB::bind_method(D_METHOD("get_use_hidden_tabs_for_min_size"), &TabContainer::get_use_hidden_tabs_for_min_size);
ClassDB::bind_method(D_METHOD("_repaint"), &TabContainer::_repaint);
ClassDB::bind_method(D_METHOD("_on_theme_changed"), &TabContainer::_on_theme_changed);
ClassDB::bind_method(D_METHOD("_get_drag_data_fw"), &TabContainer::_get_drag_data_fw);
ClassDB::bind_method(D_METHOD("_can_drop_data_fw"), &TabContainer::_can_drop_data_fw);
ClassDB::bind_method(D_METHOD("_drop_data_fw"), &TabContainer::_drop_data_fw);
ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_selected", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_button_pressed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("pre_popup_pressed"));
ADD_PROPERTY(PropertyInfo(Variant::INT, "tab_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_tab_alignment", "get_tab_alignment");
ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1", PROPERTY_USAGE_EDITOR), "set_current_tab", "get_current_tab");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_tabs"), "set_clip_tabs", "get_clip_tabs");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "tabs_visible"), "set_tabs_visible", "are_tabs_visible");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "all_tabs_in_front"), "set_all_tabs_in_front", "is_all_tabs_in_front");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "drag_to_rearrange_enabled"), "set_drag_to_rearrange_enabled", "get_drag_to_rearrange_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "tabs_rearrange_group"), "set_tabs_rearrange_group", "get_tabs_rearrange_group");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_hidden_tabs_for_min_size"), "set_use_hidden_tabs_for_min_size", "get_use_hidden_tabs_for_min_size");
}
TabContainer::TabContainer() {
tab_bar = memnew(TabBar);
tab_bar->set_drag_forwarding(this);
add_child(tab_bar, false, INTERNAL_MODE_FRONT);
tab_bar->set_anchors_and_offsets_preset(Control::PRESET_TOP_WIDE);
tab_bar->connect("tab_changed", callable_mp(this, &TabContainer::_on_tab_changed));
tab_bar->connect("tab_selected", callable_mp(this, &TabContainer::_on_tab_selected));
tab_bar->connect("tab_button_pressed", callable_mp(this, &TabContainer::_on_tab_button_pressed));
connect("mouse_exited", callable_mp(this, &TabContainer::_on_mouse_exited));
}
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