/*************************************************************************/ /* tab_bar.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_bar.h" #include "core/object/message_queue.h" #include "core/string/translation.h" #include "scene/gui/box_container.h" #include "scene/gui/label.h" #include "scene/gui/texture_rect.h" #include "scene/main/viewport.h" Size2 TabBar::get_minimum_size() const { Size2 ms; if (tabs.is_empty()) { return ms; } int y_margin = MAX(MAX(theme_cache.tab_unselected_style->get_minimum_size().height, theme_cache.tab_selected_style->get_minimum_size().height), theme_cache.tab_disabled_style->get_minimum_size().height); for (int i = 0; i < tabs.size(); i++) { if (tabs[i].hidden) { continue; } int ofs = ms.width; Ref<StyleBox> style; if (tabs[i].disabled) { style = theme_cache.tab_disabled_style; } else if (current == i) { style = theme_cache.tab_selected_style; } else { style = theme_cache.tab_unselected_style; } ms.width += style->get_minimum_size().width; Ref<Texture2D> tex = tabs[i].icon; if (tex.is_valid()) { ms.height = MAX(ms.height, tex->get_size().height + y_margin); ms.width += tex->get_size().width + theme_cache.h_separation; } if (!tabs[i].text.is_empty()) { ms.width += tabs[i].size_text + theme_cache.h_separation; } ms.height = MAX(ms.height, tabs[i].text_buf->get_size().y + y_margin); bool close_visible = cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current); if (tabs[i].right_button.is_valid()) { Ref<Texture2D> rb = tabs[i].right_button; if (close_visible) { ms.width += theme_cache.button_hl_style->get_minimum_size().width + rb->get_width(); } else { ms.width += theme_cache.button_hl_style->get_margin(SIDE_LEFT) + rb->get_width() + theme_cache.h_separation; } ms.height = MAX(ms.height, rb->get_height() + y_margin); } if (close_visible) { ms.width += theme_cache.button_hl_style->get_margin(SIDE_LEFT) + theme_cache.close_icon->get_width() + theme_cache.h_separation; ms.height = MAX(ms.height, theme_cache.close_icon->get_height() + y_margin); } if (ms.width - ofs > style->get_minimum_size().width) { ms.width -= theme_cache.h_separation; } } if (clip_tabs) { ms.width = 0; } return ms; } void TabBar::gui_input(const Ref<InputEvent> &p_event) { ERR_FAIL_COND(p_event.is_null()); Ref<InputEventMouseMotion> mm = p_event; if (mm.is_valid()) { Point2 pos = mm->get_position(); if (buttons_visible) { if (is_layout_rtl()) { if (pos.x < theme_cache.decrement_icon->get_width()) { if (highlight_arrow != 1) { highlight_arrow = 1; queue_redraw(); } } else if (pos.x < theme_cache.increment_icon->get_width() + theme_cache.decrement_icon->get_width()) { if (highlight_arrow != 0) { highlight_arrow = 0; queue_redraw(); } } else if (highlight_arrow != -1) { highlight_arrow = -1; queue_redraw(); } } else { int limit_minus_buttons = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width(); if (pos.x > limit_minus_buttons + theme_cache.decrement_icon->get_width()) { if (highlight_arrow != 1) { highlight_arrow = 1; queue_redraw(); } } else if (pos.x > limit_minus_buttons) { if (highlight_arrow != 0) { highlight_arrow = 0; queue_redraw(); } } else if (highlight_arrow != -1) { highlight_arrow = -1; queue_redraw(); } } } if (get_viewport()->gui_is_dragging() && can_drop_data(pos, get_viewport()->gui_get_drag_data())) { dragging_valid_tab = true; queue_redraw(); } _update_hover(); return; } Ref<InputEventMouseButton> mb = p_event; if (mb.is_valid()) { if (mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_UP && !mb->is_command_or_control_pressed()) { if (scrolling_enabled && buttons_visible) { if (offset > 0) { offset--; _update_cache(); queue_redraw(); } } } if (mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_DOWN && !mb->is_command_or_control_pressed()) { if (scrolling_enabled && buttons_visible) { if (missing_right && offset < tabs.size()) { offset++; _update_cache(); queue_redraw(); } } } if (rb_pressing && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) { if (rb_hover != -1) { emit_signal(SNAME("tab_button_pressed"), rb_hover); } rb_pressing = false; queue_redraw(); } if (cb_pressing && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) { if (cb_hover != -1) { emit_signal(SNAME("tab_close_pressed"), cb_hover); } cb_pressing = false; queue_redraw(); } if (mb->is_pressed() && (mb->get_button_index() == MouseButton::LEFT || (select_with_rmb && mb->get_button_index() == MouseButton::RIGHT))) { Point2 pos = mb->get_position(); if (buttons_visible) { if (is_layout_rtl()) { if (pos.x < theme_cache.decrement_icon->get_width()) { if (missing_right) { offset++; _update_cache(); queue_redraw(); } return; } else if (pos.x < theme_cache.increment_icon->get_width() + theme_cache.decrement_icon->get_width()) { if (offset > 0) { offset--; _update_cache(); queue_redraw(); } return; } } else { int limit = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width(); if (pos.x > limit + theme_cache.decrement_icon->get_width()) { if (missing_right) { offset++; _update_cache(); queue_redraw(); } return; } else if (pos.x > limit) { if (offset > 0) { offset--; _update_cache(); queue_redraw(); } return; } } } if (tabs.is_empty()) { // Return early if there are no actual tabs to handle input for. return; } int found = -1; for (int i = offset; i <= max_drawn_tab; i++) { if (tabs[i].hidden) { continue; } if (tabs[i].rb_rect.has_point(pos)) { rb_pressing = true; queue_redraw(); return; } if (tabs[i].cb_rect.has_point(pos) && (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current))) { cb_pressing = true; queue_redraw(); return; } if (pos.x >= get_tab_rect(i).position.x && pos.x < get_tab_rect(i).position.x + tabs[i].size_cache) { if (!tabs[i].disabled) { found = i; } break; } } if (found != -1) { set_current_tab(found); if (mb->get_button_index() == MouseButton::RIGHT) { // Right mouse button clicked. emit_signal(SNAME("tab_rmb_clicked"), found); } emit_signal(SNAME("tab_clicked"), found); } } } } void TabBar::_shape(int p_tab) { tabs.write[p_tab].xl_text = atr(tabs[p_tab].text); tabs.write[p_tab].text_buf->clear(); tabs.write[p_tab].text_buf->set_width(-1); if (tabs[p_tab].text_direction == Control::TEXT_DIRECTION_INHERITED) { tabs.write[p_tab].text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR); } else { tabs.write[p_tab].text_buf->set_direction((TextServer::Direction)tabs[p_tab].text_direction); } tabs.write[p_tab].text_buf->add_string(tabs[p_tab].xl_text, theme_cache.font, theme_cache.font_size, tabs[p_tab].language); } void TabBar::_update_theme_item_cache() { Control::_update_theme_item_cache(); theme_cache.h_separation = get_theme_constant(SNAME("h_separation")); 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 = get_theme_font(SNAME("font")); theme_cache.font_size = get_theme_font_size(SNAME("font_size")); theme_cache.outline_size = get_theme_constant(SNAME("outline_size")); 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.close_icon = get_theme_icon(SNAME("close")); theme_cache.button_pressed_style = get_theme_stylebox(SNAME("button_pressed")); theme_cache.button_hl_style = get_theme_stylebox(SNAME("button_highlight")); } void TabBar::_notification(int p_what) { switch (p_what) { case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: { queue_redraw(); } break; case NOTIFICATION_THEME_CHANGED: case NOTIFICATION_TRANSLATION_CHANGED: { for (int i = 0; i < tabs.size(); ++i) { _shape(i); } [[fallthrough]]; } case NOTIFICATION_RESIZED: { int ofs_old = offset; int max_old = max_drawn_tab; _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected && (offset != ofs_old || max_drawn_tab != max_old)) { ensure_tab_visible(current); } } break; case NOTIFICATION_DRAG_END: { if (dragging_valid_tab) { dragging_valid_tab = false; queue_redraw(); } } break; case NOTIFICATION_DRAW: { if (tabs.is_empty()) { return; } bool rtl = is_layout_rtl(); Vector2 size = get_size(); int limit_minus_buttons = size.width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width(); int ofs = tabs[offset].ofs_cache; // Draw unselected tabs in the back. for (int i = offset; i <= max_drawn_tab; i++) { if (tabs[i].hidden) { continue; } if (i != current) { Ref<StyleBox> sb; Color col; if (tabs[i].disabled) { sb = theme_cache.tab_disabled_style; col = theme_cache.font_disabled_color; } else { sb = theme_cache.tab_unselected_style; col = theme_cache.font_unselected_color; } _draw_tab(sb, col, i, rtl ? size.width - ofs - tabs[i].size_cache : ofs); } ofs += tabs[i].size_cache; } // Draw selected tab in the front, but only if it's visible. if (current >= offset && current <= max_drawn_tab && !tabs[current].hidden) { Ref<StyleBox> sb = tabs[current].disabled ? theme_cache.tab_disabled_style : theme_cache.tab_selected_style; float x = rtl ? size.width - tabs[current].ofs_cache - tabs[current].size_cache : tabs[current].ofs_cache; _draw_tab(sb, theme_cache.font_selected_color, current, x); } if (buttons_visible) { int vofs = (size.height - theme_cache.increment_icon->get_size().height) / 2; if (rtl) { if (missing_right) { draw_texture(highlight_arrow == 1 ? theme_cache.decrement_hl_icon : theme_cache.decrement_icon, Point2(0, vofs)); } else { draw_texture(theme_cache.decrement_icon, Point2(0, vofs), Color(1, 1, 1, 0.5)); } if (offset > 0) { draw_texture(highlight_arrow == 0 ? theme_cache.increment_hl_icon : theme_cache.increment_icon, Point2(theme_cache.increment_icon->get_size().width, vofs)); } else { draw_texture(theme_cache.increment_icon, Point2(theme_cache.increment_icon->get_size().width, vofs), Color(1, 1, 1, 0.5)); } } else { if (offset > 0) { draw_texture(highlight_arrow == 0 ? theme_cache.decrement_hl_icon : theme_cache.decrement_icon, Point2(limit_minus_buttons, vofs)); } else { draw_texture(theme_cache.decrement_icon, Point2(limit_minus_buttons, vofs), Color(1, 1, 1, 0.5)); } if (missing_right) { draw_texture(highlight_arrow == 1 ? theme_cache.increment_hl_icon : theme_cache.increment_icon, Point2(limit_minus_buttons + theme_cache.decrement_icon->get_size().width, vofs)); } else { draw_texture(theme_cache.increment_icon, Point2(limit_minus_buttons + theme_cache.decrement_icon->get_size().width, vofs), Color(1, 1, 1, 0.5)); } } } if (dragging_valid_tab) { int x; int tab_hover = get_hovered_tab(); if (tab_hover != -1) { Rect2 tab_rect = get_tab_rect(tab_hover); x = tab_rect.position.x; if (get_local_mouse_position().x > x + tab_rect.size.width / 2) { x += tab_rect.size.width; } } else { if (rtl ^ (get_local_mouse_position().x < get_tab_rect(0).position.x)) { x = get_tab_rect(0).position.x; if (rtl) { x += get_tab_rect(0).size.width; } } else { Rect2 tab_rect = get_tab_rect(get_tab_count() - 1); x = tab_rect.position.x; if (!rtl) { x += tab_rect.size.width; } } } theme_cache.drop_mark_icon->draw(get_canvas_item(), Point2(x - theme_cache.drop_mark_icon->get_width() / 2, (size.height - theme_cache.drop_mark_icon->get_height()) / 2), theme_cache.drop_mark_color); } } break; } } void TabBar::_draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_index, float p_x) { RID ci = get_canvas_item(); bool rtl = is_layout_rtl(); Rect2 sb_rect = Rect2(p_x, 0, tabs[p_index].size_cache, get_size().height); p_tab_style->draw(ci, sb_rect); p_x += rtl ? tabs[p_index].size_cache - p_tab_style->get_margin(SIDE_LEFT) : p_tab_style->get_margin(SIDE_LEFT); Size2i sb_ms = p_tab_style->get_minimum_size(); // Draw the icon. Ref<Texture2D> icon = tabs[p_index].icon; if (icon.is_valid()) { icon->draw(ci, Point2i(rtl ? p_x - icon->get_width() : p_x, p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2)); p_x = rtl ? p_x - icon->get_width() - theme_cache.h_separation : p_x + icon->get_width() + theme_cache.h_separation; } // Draw the text. if (!tabs[p_index].text.is_empty()) { Point2i text_pos = Point2i(rtl ? p_x - tabs[p_index].size_text : p_x, p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - tabs[p_index].text_buf->get_size().y) / 2); if (theme_cache.outline_size > 0 && theme_cache.font_outline_color.a > 0) { tabs[p_index].text_buf->draw_outline(ci, text_pos, theme_cache.outline_size, theme_cache.font_outline_color); } tabs[p_index].text_buf->draw(ci, text_pos, p_font_color); p_x = rtl ? p_x - tabs[p_index].size_text - theme_cache.h_separation : p_x + tabs[p_index].size_text + theme_cache.h_separation; } // Draw and calculate rect of the right button. if (tabs[p_index].right_button.is_valid()) { Ref<StyleBox> style = theme_cache.button_hl_style; Ref<Texture2D> rb = tabs[p_index].right_button; Rect2 rb_rect; rb_rect.size = style->get_minimum_size() + rb->get_size(); rb_rect.position.x = rtl ? p_x - rb_rect.size.width : p_x; rb_rect.position.y = p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (rb_rect.size.y)) / 2; tabs.write[p_index].rb_rect = rb_rect; if (rb_hover == p_index) { if (rb_pressing) { theme_cache.button_pressed_style->draw(ci, rb_rect); } else { style->draw(ci, rb_rect); } } rb->draw(ci, Point2i(rb_rect.position.x + style->get_margin(SIDE_LEFT), rb_rect.position.y + style->get_margin(SIDE_TOP))); p_x = rtl ? rb_rect.position.x : rb_rect.position.x + rb_rect.size.width; } // Draw and calculate rect of the close button. if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_index == current)) { Ref<StyleBox> style = theme_cache.button_hl_style; Ref<Texture2D> cb = theme_cache.close_icon; Rect2 cb_rect; cb_rect.size = style->get_minimum_size() + cb->get_size(); cb_rect.position.x = rtl ? p_x - cb_rect.size.width : p_x; cb_rect.position.y = p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (cb_rect.size.y)) / 2; tabs.write[p_index].cb_rect = cb_rect; if (!tabs[p_index].disabled && cb_hover == p_index) { if (cb_pressing) { theme_cache.button_pressed_style->draw(ci, cb_rect); } else { style->draw(ci, cb_rect); } } cb->draw(ci, Point2i(cb_rect.position.x + style->get_margin(SIDE_LEFT), cb_rect.position.y + style->get_margin(SIDE_TOP))); } } void TabBar::set_tab_count(int p_count) { if (p_count == tabs.size()) { return; } ERR_FAIL_COND(p_count < 0); tabs.resize(p_count); if (p_count == 0) { offset = 0; max_drawn_tab = 0; current = 0; previous = 0; } else { offset = MIN(offset, p_count - 1); max_drawn_tab = MIN(max_drawn_tab, p_count - 1); current = MIN(current, p_count - 1); _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } } queue_redraw(); update_minimum_size(); notify_property_list_changed(); } int TabBar::get_tab_count() const { return tabs.size(); } void TabBar::set_current_tab(int p_current) { ERR_FAIL_INDEX(p_current, get_tab_count()); previous = current; current = p_current; if (current == previous) { emit_signal(SNAME("tab_selected"), current); return; } emit_signal(SNAME("tab_selected"), current); _update_cache(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); emit_signal(SNAME("tab_changed"), p_current); } int TabBar::get_current_tab() const { return current; } int TabBar::get_previous_tab() const { return previous; } int TabBar::get_hovered_tab() const { return hover; } int TabBar::get_tab_offset() const { return offset; } bool TabBar::get_offset_buttons_visible() const { return buttons_visible; } void TabBar::set_tab_title(int p_tab, const String &p_title) { ERR_FAIL_INDEX(p_tab, tabs.size()); if (tabs[p_tab].text == p_title) { return; } tabs.write[p_tab].text = p_title; _shape(p_tab); _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } String TabBar::get_tab_title(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), ""); return tabs[p_tab].text; } void TabBar::set_tab_text_direction(int p_tab, Control::TextDirection p_text_direction) { ERR_FAIL_INDEX(p_tab, tabs.size()); ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3); if (tabs[p_tab].text_direction != p_text_direction) { tabs.write[p_tab].text_direction = p_text_direction; _shape(p_tab); queue_redraw(); } } Control::TextDirection TabBar::get_tab_text_direction(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), Control::TEXT_DIRECTION_INHERITED); return tabs[p_tab].text_direction; } void TabBar::set_tab_language(int p_tab, const String &p_language) { ERR_FAIL_INDEX(p_tab, tabs.size()); if (tabs[p_tab].language != p_language) { tabs.write[p_tab].language = p_language; _shape(p_tab); _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } } String TabBar::get_tab_language(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), ""); return tabs[p_tab].language; } void TabBar::set_tab_icon(int p_tab, const Ref<Texture2D> &p_icon) { ERR_FAIL_INDEX(p_tab, tabs.size()); if (tabs[p_tab].icon == p_icon) { return; } tabs.write[p_tab].icon = p_icon; _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } Ref<Texture2D> TabBar::get_tab_icon(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture2D>()); return tabs[p_tab].icon; } void TabBar::set_tab_disabled(int p_tab, bool p_disabled) { ERR_FAIL_INDEX(p_tab, tabs.size()); if (tabs[p_tab].disabled == p_disabled) { return; } tabs.write[p_tab].disabled = p_disabled; _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } bool TabBar::is_tab_disabled(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), false); return tabs[p_tab].disabled; } void TabBar::set_tab_hidden(int p_tab, bool p_hidden) { ERR_FAIL_INDEX(p_tab, tabs.size()); if (tabs[p_tab].hidden == p_hidden) { return; } tabs.write[p_tab].hidden = p_hidden; _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } bool TabBar::is_tab_hidden(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), false); return tabs[p_tab].hidden; } void TabBar::set_tab_button_icon(int p_tab, const Ref<Texture2D> &p_icon) { ERR_FAIL_INDEX(p_tab, tabs.size()); if (tabs[p_tab].right_button == p_icon) { return; } tabs.write[p_tab].right_button = p_icon; _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } Ref<Texture2D> TabBar::get_tab_button_icon(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture2D>()); return tabs[p_tab].right_button; } void TabBar::_update_hover() { if (!is_inside_tree()) { return; } ERR_FAIL_COND(tabs.is_empty()); const Point2 &pos = get_local_mouse_position(); // Test hovering to display right or close button. int hover_now = -1; int hover_buttons = -1; for (int i = offset; i <= max_drawn_tab; i++) { if (tabs[i].hidden) { 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; } else if (!tabs[i].disabled && tabs[i].cb_rect.has_point(pos)) { cb_hover = i; rb_hover = -1; hover_buttons = i; } if (hover_buttons != -1) { queue_redraw(); break; } } if (hover != hover_now) { hover = hover_now; if (hover != -1) { emit_signal(SNAME("tab_hovered"), hover); } } if (hover_buttons == -1) { // No hover. int rb_hover_old = rb_hover; int cb_hover_old = cb_hover; rb_hover = hover_buttons; cb_hover = hover_buttons; if (rb_hover != rb_hover_old || cb_hover != cb_hover_old) { queue_redraw(); } } } void TabBar::_update_cache() { if (tabs.is_empty()) { buttons_visible = false; return; } int limit = get_size().width; int limit_minus_buttons = limit - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width(); int w = 0; max_drawn_tab = tabs.size() - 1; for (int i = 0; i < tabs.size(); i++) { tabs.write[i].text_buf->set_width(-1); tabs.write[i].size_text = Math::ceil(tabs[i].text_buf->get_size().x); tabs.write[i].size_cache = get_tab_width(i); if (max_width > 0 && tabs[i].size_cache > max_width) { int size_textless = tabs[i].size_cache - tabs[i].size_text; int mw = MAX(size_textless, max_width); tabs.write[i].size_text = MAX(mw - size_textless, 1); tabs.write[i].text_buf->set_width(tabs[i].size_text); tabs.write[i].size_cache = size_textless + tabs[i].size_text; } if (i < offset || i > max_drawn_tab) { tabs.write[i].ofs_cache = 0; continue; } tabs.write[i].ofs_cache = w; if (tabs[i].hidden) { continue; } w += tabs[i].size_cache; // Check if all tabs would fit inside the area. if (clip_tabs && i > offset && (w > limit || (offset > 0 && w > limit_minus_buttons))) { tabs.write[i].ofs_cache = 0; w -= tabs[i].size_cache; max_drawn_tab = i - 1; while (w > limit_minus_buttons && max_drawn_tab > offset) { tabs.write[max_drawn_tab].ofs_cache = 0; if (!tabs[max_drawn_tab].hidden) { w -= tabs[max_drawn_tab].size_cache; } max_drawn_tab--; } } } missing_right = max_drawn_tab < tabs.size() - 1; buttons_visible = offset > 0 || missing_right; if (tab_alignment == ALIGNMENT_LEFT) { _update_hover(); return; } if (tab_alignment == ALIGNMENT_CENTER) { w = ((buttons_visible ? limit_minus_buttons : limit) - w) / 2; } else if (tab_alignment == ALIGNMENT_RIGHT) { w = (buttons_visible ? limit_minus_buttons : limit) - w; } for (int i = offset; i <= max_drawn_tab; i++) { tabs.write[i].ofs_cache = w; if (!tabs[i].hidden) { w += tabs[i].size_cache; } } _update_hover(); } void TabBar::_on_mouse_exited() { rb_hover = -1; cb_hover = -1; hover = -1; highlight_arrow = -1; dragging_valid_tab = false; queue_redraw(); } void TabBar::add_tab(const String &p_str, const Ref<Texture2D> &p_icon) { Tab t; t.text = p_str; t.text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR); t.icon = p_icon; tabs.push_back(t); _shape(tabs.size() - 1); _update_cache(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); if (tabs.size() == 1 && is_inside_tree()) { emit_signal(SNAME("tab_changed"), 0); } } void TabBar::clear_tabs() { if (tabs.is_empty()) { return; } tabs.clear(); offset = 0; max_drawn_tab = 0; current = 0; previous = 0; queue_redraw(); update_minimum_size(); notify_property_list_changed(); } void TabBar::remove_tab(int p_idx) { ERR_FAIL_INDEX(p_idx, tabs.size()); tabs.remove_at(p_idx); bool is_tab_changing = current == p_idx && !tabs.is_empty(); if (current >= p_idx && current > 0) { current--; } if (tabs.is_empty()) { offset = 0; max_drawn_tab = 0; previous = 0; } else { offset = MIN(offset, tabs.size() - 1); max_drawn_tab = MIN(max_drawn_tab, tabs.size() - 1); _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } } queue_redraw(); update_minimum_size(); notify_property_list_changed(); if (is_tab_changing && is_inside_tree()) { emit_signal(SNAME("tab_changed"), current); } } Variant TabBar::get_drag_data(const Point2 &p_point) { if (!drag_to_rearrange_enabled) { return Control::get_drag_data(p_point); // Allow stuff like TabContainer to override it. } int tab_over = get_tab_idx_at_point(p_point); if (tab_over < 0) { return Variant(); } HBoxContainer *drag_preview = memnew(HBoxContainer); if (!tabs[tab_over].icon.is_null()) { TextureRect *tf = memnew(TextureRect); tf->set_texture(tabs[tab_over].icon); tf->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED); drag_preview->add_child(tf); } Label *label = memnew(Label(tabs[tab_over].xl_text)); drag_preview->add_child(label); set_drag_preview(drag_preview); Dictionary drag_data; drag_data["type"] = "tab_element"; drag_data["tab_element"] = tab_over; drag_data["from_path"] = get_path(); return drag_data; } bool TabBar::can_drop_data(const Point2 &p_point, const Variant &p_data) const { if (!drag_to_rearrange_enabled) { return Control::can_drop_data(p_point, p_data); // Allow stuff like TabContainer to override it. } Dictionary d = p_data; if (!d.has("type")) { return false; } if (String(d["type"]) == "tab_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 TabBars. Node *from_node = get_node(from_path); TabBar *from_tabs = Object::cast_to<TabBar>(from_node); if (from_tabs && from_tabs->get_tabs_rearrange_group() == get_tabs_rearrange_group()) { return true; } } } return false; } void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) { if (!drag_to_rearrange_enabled) { Control::drop_data(p_point, p_data); // Allow stuff like TabContainer to override it. return; } Dictionary d = p_data; if (!d.has("type")) { return; } if (String(d["type"]) == "tab_element") { int tab_from_id = d["tab_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 = 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 < get_tab_rect(0).position.x) ? 0 : get_tab_count() - 1; } move_tab(tab_from_id, hover_now); 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 Tabs. Node *from_node = get_node(from_path); TabBar *from_tabs = Object::cast_to<TabBar>(from_node); if (from_tabs && from_tabs->get_tabs_rearrange_group() == get_tabs_rearrange_group()) { if (tab_from_id >= from_tabs->get_tab_count()) { 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 = 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 < get_tab_rect(0).position.x) ? 0 : get_tab_count(); } Tab moving_tab = from_tabs->tabs[tab_from_id]; from_tabs->remove_tab(tab_from_id); tabs.insert(hover_now, moving_tab); if (tabs.size() > 1) { if (current >= hover_now) { current++; } if (previous >= hover_now) { previous++; } } if (!is_tab_disabled(hover_now)) { set_current_tab(hover_now); } else { _update_cache(); queue_redraw(); } update_minimum_size(); if (tabs.size() == 1) { emit_signal(SNAME("tab_selected"), 0); emit_signal(SNAME("tab_changed"), 0); } } } } } int TabBar::get_tab_idx_at_point(const Point2 &p_point) const { int hover_now = -1; for (int i = offset; i <= max_drawn_tab; i++) { Rect2 rect = get_tab_rect(i); if (rect.has_point(p_point)) { hover_now = i; } } return hover_now; } void TabBar::set_tab_alignment(AlignmentMode p_alignment) { ERR_FAIL_INDEX(p_alignment, ALIGNMENT_MAX); if (tab_alignment == p_alignment) { return; } tab_alignment = p_alignment; _update_cache(); queue_redraw(); } TabBar::AlignmentMode TabBar::get_tab_alignment() const { return tab_alignment; } void TabBar::set_clip_tabs(bool p_clip_tabs) { if (clip_tabs == p_clip_tabs) { return; } clip_tabs = p_clip_tabs; if (!clip_tabs) { offset = 0; max_drawn_tab = 0; } _update_cache(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } bool TabBar::get_clip_tabs() const { return clip_tabs; } void TabBar::move_tab(int p_from, int p_to) { if (p_from == p_to) { return; } ERR_FAIL_INDEX(p_from, tabs.size()); ERR_FAIL_INDEX(p_to, tabs.size()); Tab tab_from = tabs[p_from]; tabs.remove_at(p_from); tabs.insert(p_to, tab_from); if (current == p_from) { current = p_to; } else if (current > p_from && current <= p_to) { current--; } else if (current < p_from && current >= p_to) { current++; } if (previous == p_from) { previous = p_to; } else if (previous > p_from && previous >= p_to) { previous--; } else if (previous < p_from && previous <= p_to) { previous++; } _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); notify_property_list_changed(); } int TabBar::get_tab_width(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, tabs.size(), 0); Ref<StyleBox> style; if (tabs[p_idx].disabled) { style = theme_cache.tab_disabled_style; } else if (current == p_idx) { style = theme_cache.tab_selected_style; } else { style = theme_cache.tab_unselected_style; } int x = style->get_minimum_size().width; Ref<Texture2D> tex = tabs[p_idx].icon; if (tex.is_valid()) { x += tex->get_width() + theme_cache.h_separation; } if (!tabs[p_idx].text.is_empty()) { x += tabs[p_idx].size_text + theme_cache.h_separation; } bool close_visible = cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_idx == current); if (tabs[p_idx].right_button.is_valid()) { Ref<StyleBox> btn_style = theme_cache.button_hl_style; Ref<Texture2D> rb = tabs[p_idx].right_button; if (close_visible) { x += btn_style->get_minimum_size().width + rb->get_width(); } else { x += btn_style->get_margin(SIDE_LEFT) + rb->get_width() + theme_cache.h_separation; } } if (close_visible) { Ref<StyleBox> btn_style = theme_cache.button_hl_style; Ref<Texture2D> cb = theme_cache.close_icon; x += btn_style->get_margin(SIDE_LEFT) + cb->get_width() + theme_cache.h_separation; } if (x > style->get_minimum_size().width) { x -= theme_cache.h_separation; } return x; } void TabBar::_ensure_no_over_offset() { if (!is_inside_tree() || !buttons_visible) { return; } int limit_minus_buttons = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width(); int prev_offset = offset; int total_w = tabs[max_drawn_tab].ofs_cache + tabs[max_drawn_tab].size_cache - tabs[offset].ofs_cache; for (int i = offset; i > 0; i--) { if (tabs[i - 1].hidden) { continue; } total_w += tabs[i - 1].size_cache; if (total_w < limit_minus_buttons) { offset--; } else { break; } } if (prev_offset != offset) { _update_cache(); queue_redraw(); } } void TabBar::ensure_tab_visible(int p_idx) { if (!is_inside_tree() || !buttons_visible) { return; } ERR_FAIL_INDEX(p_idx, tabs.size()); if (tabs[p_idx].hidden || (p_idx >= offset && p_idx <= max_drawn_tab)) { return; } if (p_idx < offset) { offset = p_idx; _update_cache(); queue_redraw(); return; } int limit_minus_buttons = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width(); int total_w = tabs[max_drawn_tab].ofs_cache - tabs[offset].ofs_cache; for (int i = max_drawn_tab; i <= p_idx; i++) { if (tabs[i].hidden) { continue; } total_w += tabs[i].size_cache; } int prev_offset = offset; for (int i = offset; i < p_idx; i++) { if (tabs[i].hidden) { continue; } if (total_w > limit_minus_buttons) { total_w -= tabs[i].size_cache; offset++; } else { break; } } if (prev_offset != offset) { _update_cache(); queue_redraw(); } } Rect2 TabBar::get_tab_rect(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), Rect2()); if (is_layout_rtl()) { return Rect2(get_size().width - tabs[p_tab].ofs_cache - tabs[p_tab].size_cache, 0, tabs[p_tab].size_cache, get_size().height); } else { return Rect2(tabs[p_tab].ofs_cache, 0, tabs[p_tab].size_cache, get_size().height); } } void TabBar::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) { ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX); if (cb_displaypolicy == p_policy) { return; } cb_displaypolicy = p_policy; _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } TabBar::CloseButtonDisplayPolicy TabBar::get_tab_close_display_policy() const { return cb_displaypolicy; } void TabBar::set_max_tab_width(int p_width) { ERR_FAIL_COND(p_width < 0); if (max_width == p_width) { return; } max_width = p_width; _update_cache(); _ensure_no_over_offset(); if (scroll_to_selected) { ensure_tab_visible(current); } queue_redraw(); update_minimum_size(); } int TabBar::get_max_tab_width() const { return max_width; } void TabBar::set_scrolling_enabled(bool p_enabled) { scrolling_enabled = p_enabled; } bool TabBar::get_scrolling_enabled() const { return scrolling_enabled; } void TabBar::set_drag_to_rearrange_enabled(bool p_enabled) { drag_to_rearrange_enabled = p_enabled; } bool TabBar::get_drag_to_rearrange_enabled() const { return drag_to_rearrange_enabled; } void TabBar::set_tabs_rearrange_group(int p_group_id) { tabs_rearrange_group = p_group_id; } int TabBar::get_tabs_rearrange_group() const { return tabs_rearrange_group; } void TabBar::set_scroll_to_selected(bool p_enabled) { scroll_to_selected = p_enabled; if (p_enabled) { ensure_tab_visible(current); } } bool TabBar::get_scroll_to_selected() const { return scroll_to_selected; } void TabBar::set_select_with_rmb(bool p_enabled) { select_with_rmb = p_enabled; } bool TabBar::get_select_with_rmb() const { return select_with_rmb; } bool TabBar::_set(const StringName &p_name, const Variant &p_value) { Vector<String> components = String(p_name).split("/", true, 2); if (components.size() >= 2 && components[0].begins_with("tab_") && components[0].trim_prefix("tab_").is_valid_int()) { int tab_index = components[0].trim_prefix("tab_").to_int(); String property = components[1]; if (property == "title") { set_tab_title(tab_index, p_value); return true; } else if (property == "icon") { set_tab_icon(tab_index, p_value); return true; } else if (components[1] == "disabled") { set_tab_disabled(tab_index, p_value); return true; } } return false; } bool TabBar::_get(const StringName &p_name, Variant &r_ret) const { Vector<String> components = String(p_name).split("/", true, 2); if (components.size() >= 2 && components[0].begins_with("tab_") && components[0].trim_prefix("tab_").is_valid_int()) { int tab_index = components[0].trim_prefix("tab_").to_int(); String property = components[1]; if (property == "title") { r_ret = get_tab_title(tab_index); return true; } else if (property == "icon") { r_ret = get_tab_icon(tab_index); return true; } else if (components[1] == "disabled") { r_ret = is_tab_disabled(tab_index); return true; } } return false; } void TabBar::_get_property_list(List<PropertyInfo> *p_list) const { for (int i = 0; i < tabs.size(); i++) { p_list->push_back(PropertyInfo(Variant::STRING, vformat("tab_%d/title", i))); PropertyInfo pi = PropertyInfo(Variant::OBJECT, vformat("tab_%d/icon", i), PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"); pi.usage &= ~(get_tab_icon(i).is_null() ? PROPERTY_USAGE_STORAGE : 0); p_list->push_back(pi); pi = PropertyInfo(Variant::BOOL, vformat("tab_%d/disabled", i)); pi.usage &= ~(!is_tab_disabled(i) ? PROPERTY_USAGE_STORAGE : 0); p_list->push_back(pi); } } void TabBar::_bind_methods() { ClassDB::bind_method(D_METHOD("set_tab_count", "count"), &TabBar::set_tab_count); ClassDB::bind_method(D_METHOD("get_tab_count"), &TabBar::get_tab_count); ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &TabBar::set_current_tab); ClassDB::bind_method(D_METHOD("get_current_tab"), &TabBar::get_current_tab); ClassDB::bind_method(D_METHOD("get_previous_tab"), &TabBar::get_previous_tab); ClassDB::bind_method(D_METHOD("set_tab_title", "tab_idx", "title"), &TabBar::set_tab_title); ClassDB::bind_method(D_METHOD("get_tab_title", "tab_idx"), &TabBar::get_tab_title); ClassDB::bind_method(D_METHOD("set_tab_text_direction", "tab_idx", "direction"), &TabBar::set_tab_text_direction); ClassDB::bind_method(D_METHOD("get_tab_text_direction", "tab_idx"), &TabBar::get_tab_text_direction); ClassDB::bind_method(D_METHOD("set_tab_language", "tab_idx", "language"), &TabBar::set_tab_language); ClassDB::bind_method(D_METHOD("get_tab_language", "tab_idx"), &TabBar::get_tab_language); ClassDB::bind_method(D_METHOD("set_tab_icon", "tab_idx", "icon"), &TabBar::set_tab_icon); ClassDB::bind_method(D_METHOD("get_tab_icon", "tab_idx"), &TabBar::get_tab_icon); ClassDB::bind_method(D_METHOD("set_tab_button_icon", "tab_idx", "icon"), &TabBar::set_tab_button_icon); ClassDB::bind_method(D_METHOD("get_tab_button_icon", "tab_idx"), &TabBar::get_tab_button_icon); ClassDB::bind_method(D_METHOD("set_tab_disabled", "tab_idx", "disabled"), &TabBar::set_tab_disabled); ClassDB::bind_method(D_METHOD("is_tab_disabled", "tab_idx"), &TabBar::is_tab_disabled); ClassDB::bind_method(D_METHOD("set_tab_hidden", "tab_idx", "hidden"), &TabBar::set_tab_hidden); ClassDB::bind_method(D_METHOD("is_tab_hidden", "tab_idx"), &TabBar::is_tab_hidden); ClassDB::bind_method(D_METHOD("remove_tab", "tab_idx"), &TabBar::remove_tab); ClassDB::bind_method(D_METHOD("add_tab", "title", "icon"), &TabBar::add_tab, DEFVAL(""), DEFVAL(Ref<Texture2D>())); ClassDB::bind_method(D_METHOD("get_tab_idx_at_point", "point"), &TabBar::get_tab_idx_at_point); ClassDB::bind_method(D_METHOD("set_tab_alignment", "alignment"), &TabBar::set_tab_alignment); ClassDB::bind_method(D_METHOD("get_tab_alignment"), &TabBar::get_tab_alignment); ClassDB::bind_method(D_METHOD("set_clip_tabs", "clip_tabs"), &TabBar::set_clip_tabs); ClassDB::bind_method(D_METHOD("get_clip_tabs"), &TabBar::get_clip_tabs); ClassDB::bind_method(D_METHOD("get_tab_offset"), &TabBar::get_tab_offset); ClassDB::bind_method(D_METHOD("get_offset_buttons_visible"), &TabBar::get_offset_buttons_visible); ClassDB::bind_method(D_METHOD("ensure_tab_visible", "idx"), &TabBar::ensure_tab_visible); ClassDB::bind_method(D_METHOD("get_tab_rect", "tab_idx"), &TabBar::get_tab_rect); ClassDB::bind_method(D_METHOD("move_tab", "from", "to"), &TabBar::move_tab); ClassDB::bind_method(D_METHOD("set_tab_close_display_policy", "policy"), &TabBar::set_tab_close_display_policy); ClassDB::bind_method(D_METHOD("get_tab_close_display_policy"), &TabBar::get_tab_close_display_policy); ClassDB::bind_method(D_METHOD("set_max_tab_width", "width"), &TabBar::set_max_tab_width); ClassDB::bind_method(D_METHOD("get_max_tab_width"), &TabBar::get_max_tab_width); ClassDB::bind_method(D_METHOD("set_scrolling_enabled", "enabled"), &TabBar::set_scrolling_enabled); ClassDB::bind_method(D_METHOD("get_scrolling_enabled"), &TabBar::get_scrolling_enabled); ClassDB::bind_method(D_METHOD("set_drag_to_rearrange_enabled", "enabled"), &TabBar::set_drag_to_rearrange_enabled); ClassDB::bind_method(D_METHOD("get_drag_to_rearrange_enabled"), &TabBar::get_drag_to_rearrange_enabled); ClassDB::bind_method(D_METHOD("set_tabs_rearrange_group", "group_id"), &TabBar::set_tabs_rearrange_group); ClassDB::bind_method(D_METHOD("get_tabs_rearrange_group"), &TabBar::get_tabs_rearrange_group); ClassDB::bind_method(D_METHOD("set_scroll_to_selected", "enabled"), &TabBar::set_scroll_to_selected); ClassDB::bind_method(D_METHOD("get_scroll_to_selected"), &TabBar::get_scroll_to_selected); ClassDB::bind_method(D_METHOD("set_select_with_rmb", "enabled"), &TabBar::set_select_with_rmb); ClassDB::bind_method(D_METHOD("get_select_with_rmb"), &TabBar::get_select_with_rmb); ADD_SIGNAL(MethodInfo("tab_selected", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_clicked", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_rmb_clicked", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_close_pressed", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_button_pressed", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_hovered", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("active_tab_rearranged", PropertyInfo(Variant::INT, "idx_to"))); 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::INT, "tab_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_tab_alignment", "get_tab_alignment"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_tabs"), "set_clip_tabs", "get_clip_tabs"); ADD_PROPERTY(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"); ADD_PROPERTY(PropertyInfo(Variant::INT, "max_tab_width", PROPERTY_HINT_RANGE, "0,99999,1,suffix:px"), "set_max_tab_width", "get_max_tab_width"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scrolling_enabled"), "set_scrolling_enabled", "get_scrolling_enabled"); 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, "scroll_to_selected"), "set_scroll_to_selected", "get_scroll_to_selected"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "select_with_rmb"), "set_select_with_rmb", "get_select_with_rmb"); ADD_ARRAY_COUNT("Tabs", "tab_count", "set_tab_count", "get_tab_count", "tab_"); BIND_ENUM_CONSTANT(ALIGNMENT_LEFT); BIND_ENUM_CONSTANT(ALIGNMENT_CENTER); BIND_ENUM_CONSTANT(ALIGNMENT_RIGHT); BIND_ENUM_CONSTANT(ALIGNMENT_MAX); BIND_ENUM_CONSTANT(CLOSE_BUTTON_SHOW_NEVER); BIND_ENUM_CONSTANT(CLOSE_BUTTON_SHOW_ACTIVE_ONLY); BIND_ENUM_CONSTANT(CLOSE_BUTTON_SHOW_ALWAYS); BIND_ENUM_CONSTANT(CLOSE_BUTTON_MAX); } TabBar::TabBar() { set_size(Size2(get_size().width, get_minimum_size().height)); connect("mouse_exited", callable_mp(this, &TabBar::_on_mouse_exited)); }