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b226f7e587
godot/scene/gui/tab_container.cpp
Tefatika abd894daf7
Fixed error messages when setting all_tab_in_front of TabContainer 
Some signal handlers weren't unregistered when removing the wrapped
child TabBar, which resulted in errors printed when the TabBar was
removed and added again when the flag was updated
2023-04-30 08:17:21 +02:00

1016 lines
33 KiB
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/**************************************************************************/
/* tab_container.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 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 "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.icon_max_width = get_theme_constant(SNAME("icon_max_width"));
theme_cache.outline_size = get_theme_constant(SNAME("outline_size"));
theme_cache.tab_unselected_style = get_theme_stylebox(SNAME("tab_unselected"));
theme_cache.tab_hovered_style = get_theme_stylebox(SNAME("tab_hovered"));
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_hovered"), theme_cache.tab_hovered_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("icon_max_width"), theme_cache.icon_max_width);
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 || children_removing.has(control)) {
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)) {
emit_signal(SNAME("active_tab_rearranged"), 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);
Ref<Texture2D> tab_icon = from_tabc->get_tab_icon(tab_from_id);
bool tab_disabled = from_tabc->is_tab_disabled(tab_from_id);
Variant tab_metadata = from_tabc->get_tab_metadata(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_icon(get_tab_count() - 1, tab_icon);
set_tab_disabled(get_tab_count() - 1, tab_disabled);
set_tab_metadata(get_tab_count() - 1, tab_metadata);
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_clicked(int p_tab) {
emit_signal(SNAME("tab_clicked"), p_tab);
}
void TabContainer::_on_tab_hovered(int p_tab) {
emit_signal(SNAME("tab_hovered"), p_tab);
}
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) {
Container::add_child_notify(p_child);
if (p_child == tab_bar) {
return;
}
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) {
Container::move_child_notify(p_child);
if (p_child == tab_bar) {
return;
}
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) {
Container::remove_child_notify(p_child);
if (p_child == tab_bar) {
return;
}
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);
// As the child hasn't been removed yet, keep track of it so when the "tab_changed" signal is fired it can be ignored.
children_removing.push_back(c);
tab_bar->remove_tab(idx);
children_removing.erase(c);
_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_metadata(int p_tab, const Variant &p_metadata) {
tab_bar->set_tab_metadata(p_tab, p_metadata);
}
Variant TabContainer::get_tab_metadata(int p_tab) const {
return tab_bar->get_tab_metadata(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);
}
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();
Size2 largest_child_min_size;
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();
largest_child_min_size.x = MAX(largest_child_min_size.x, cms.x);
largest_child_min_size.y = MAX(largest_child_min_size.y, cms.y);
}
ms.y += largest_child_min_size.y;
Size2 panel_ms = theme_cache.panel_style->get_minimum_size();
ms.x = MAX(ms.x, largest_child_min_size.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_metadata", "tab_idx", "metadata"), &TabContainer::set_tab_metadata);
ClassDB::bind_method(D_METHOD("get_tab_metadata", "tab_idx"), &TabContainer::get_tab_metadata);
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);
ADD_SIGNAL(MethodInfo("active_tab_rearranged", PropertyInfo(Variant::INT, "idx_to")));
ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_clicked", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_hovered", 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);
SET_DRAG_FORWARDING_GCDU(tab_bar, TabContainer);
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_clicked", callable_mp(this, &TabContainer::_on_tab_clicked));
tab_bar->connect("tab_hovered", callable_mp(this, &TabContainer::_on_tab_hovered));
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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