diff options
Diffstat (limited to 'scene/gui/tab_bar.cpp')
| -rw-r--r-- | scene/gui/tab_bar.cpp | 1587 |
1 files changed, 1587 insertions, 0 deletions
diff --git a/scene/gui/tab_bar.cpp b/scene/gui/tab_bar.cpp new file mode 100644 index 0000000000..d36a364677 --- /dev/null +++ b/scene/gui/tab_bar.cpp @@ -0,0 +1,1587 @@ +/*************************************************************************/ +/* 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; + } + + Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected")); + Ref<StyleBox> tab_selected = get_theme_stylebox(SNAME("tab_selected")); + Ref<StyleBox> tab_disabled = get_theme_stylebox(SNAME("tab_disabled")); + Ref<StyleBox> button_highlight = get_theme_stylebox(SNAME("button_highlight")); + Ref<Texture2D> close = get_theme_icon(SNAME("close")); + int hseparation = get_theme_constant(SNAME("h_separation")); + + int y_margin = MAX(MAX(tab_unselected->get_minimum_size().height, tab_selected->get_minimum_size().height), tab_disabled->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 = tab_disabled; + } else if (current == i) { + style = tab_selected; + } else { + style = tab_unselected; + } + 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 + hseparation; + } + + if (!tabs[i].text.is_empty()) { + ms.width += tabs[i].size_text + hseparation; + } + 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 += button_highlight->get_minimum_size().width + rb->get_width(); + } else { + ms.width += button_highlight->get_margin(SIDE_LEFT) + rb->get_width() + hseparation; + } + + ms.height = MAX(ms.height, rb->get_height() + y_margin); + } + + if (close_visible) { + ms.width += button_highlight->get_margin(SIDE_LEFT) + close->get_width() + hseparation; + + ms.height = MAX(ms.height, close->get_height() + y_margin); + } + + if (ms.width - ofs > style->get_minimum_size().width) { + ms.width -= hseparation; + } + } + + 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) { + Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); + Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); + + if (is_layout_rtl()) { + if (pos.x < decr->get_width()) { + if (highlight_arrow != 1) { + highlight_arrow = 1; + update(); + } + } else if (pos.x < incr->get_width() + decr->get_width()) { + if (highlight_arrow != 0) { + highlight_arrow = 0; + update(); + } + } else if (highlight_arrow != -1) { + highlight_arrow = -1; + update(); + } + } else { + int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width(); + if (pos.x > limit_minus_buttons + decr->get_width()) { + if (highlight_arrow != 1) { + highlight_arrow = 1; + update(); + } + } else if (pos.x > limit_minus_buttons) { + if (highlight_arrow != 0) { + highlight_arrow = 0; + update(); + } + } else if (highlight_arrow != -1) { + highlight_arrow = -1; + update(); + } + } + } + + if (get_viewport()->gui_is_dragging() && can_drop_data(pos, get_viewport()->gui_get_drag_data())) { + dragging_valid_tab = true; + update(); + } + + _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_pressed()) { + if (scrolling_enabled && buttons_visible) { + if (offset > 0) { + offset--; + _update_cache(); + update(); + } + } + } + + if (mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_DOWN && !mb->is_command_pressed()) { + if (scrolling_enabled && buttons_visible) { + if (missing_right && offset < tabs.size()) { + offset++; + _update_cache(); + update(); + } + } + } + + 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; + update(); + } + + 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; + update(); + } + + 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) { + Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); + Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); + + if (is_layout_rtl()) { + if (pos.x < decr->get_width()) { + if (missing_right) { + offset++; + _update_cache(); + update(); + } + return; + } else if (pos.x < incr->get_width() + decr->get_width()) { + if (offset > 0) { + offset--; + _update_cache(); + update(); + } + return; + } + } else { + int limit = get_size().width - incr->get_width() - decr->get_width(); + if (pos.x > limit + decr->get_width()) { + if (missing_right) { + offset++; + _update_cache(); + update(); + } + return; + } else if (pos.x > limit) { + if (offset > 0) { + offset--; + _update_cache(); + update(); + } + 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; + update(); + 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; + update(); + 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) { + Ref<Font> font = get_theme_font(SNAME("font")); + int font_size = get_theme_font_size(SNAME("font_size")); + + 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, font, font_size, tabs[p_tab].language); +} + +void TabBar::_notification(int p_what) { + switch (p_what) { + case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: { + update(); + } 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; + update(); + } + } break; + + case NOTIFICATION_DRAW: { + if (tabs.is_empty()) { + return; + } + + Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected")); + Ref<StyleBox> tab_selected = get_theme_stylebox(SNAME("tab_selected")); + Ref<StyleBox> tab_disabled = get_theme_stylebox(SNAME("tab_disabled")); + Color font_selected_color = get_theme_color(SNAME("font_selected_color")); + Color font_unselected_color = get_theme_color(SNAME("font_unselected_color")); + Color font_disabled_color = get_theme_color(SNAME("font_disabled_color")); + Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); + Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); + + bool rtl = is_layout_rtl(); + Vector2 size = get_size(); + int limit_minus_buttons = size.width - incr->get_width() - decr->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 = tab_disabled; + col = font_disabled_color; + } else if (i == current) { + sb = tab_selected; + col = font_selected_color; + } else { + sb = tab_unselected; + col = 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 ? tab_disabled : tab_selected; + float x = rtl ? size.width - tabs[current].ofs_cache - tabs[current].size_cache : tabs[current].ofs_cache; + + _draw_tab(sb, font_selected_color, current, x); + } + + if (buttons_visible) { + Ref<Texture2D> incr_hl = get_theme_icon(SNAME("increment_highlight")); + Ref<Texture2D> decr_hl = get_theme_icon(SNAME("decrement_highlight")); + + int vofs = (size.height - incr->get_size().height) / 2; + + if (rtl) { + if (missing_right) { + draw_texture(highlight_arrow == 1 ? decr_hl : decr, Point2(0, vofs)); + } else { + draw_texture(decr, Point2(0, vofs), Color(1, 1, 1, 0.5)); + } + + if (offset > 0) { + draw_texture(highlight_arrow == 0 ? incr_hl : incr, Point2(incr->get_size().width, vofs)); + } else { + draw_texture(incr, Point2(incr->get_size().width, vofs), Color(1, 1, 1, 0.5)); + } + } else { + if (offset > 0) { + draw_texture(highlight_arrow == 0 ? decr_hl : decr, Point2(limit_minus_buttons, vofs)); + } else { + draw_texture(decr, Point2(limit_minus_buttons, vofs), Color(1, 1, 1, 0.5)); + } + + if (missing_right) { + draw_texture(highlight_arrow == 1 ? incr_hl : incr, Point2(limit_minus_buttons + decr->get_size().width, vofs)); + } else { + draw_texture(incr, Point2(limit_minus_buttons + decr->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; + } + } + } + + Ref<Texture2D> drop_mark = get_theme_icon(SNAME("drop_mark")); + Color drop_mark_color = get_theme_color(SNAME("drop_mark_color")); + + drop_mark->draw(get_canvas_item(), Point2(x - drop_mark->get_width() / 2, (size.height - drop_mark->get_height()) / 2), 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(); + + Color font_outline_color = get_theme_color(SNAME("font_outline_color")); + int outline_size = get_theme_constant(SNAME("outline_size")); + int hseparation = get_theme_constant(SNAME("h_separation")); + + 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() - hseparation : p_x + icon->get_width() + hseparation; + } + + // 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 (outline_size > 0 && font_outline_color.a > 0) { + tabs[p_index].text_buf->draw_outline(ci, text_pos, outline_size, 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 - hseparation : p_x + tabs[p_index].size_text + hseparation; + } + + // Draw and calculate rect of the right button. + if (tabs[p_index].right_button.is_valid()) { + Ref<StyleBox> style = get_theme_stylebox(SNAME("button_highlight")); + 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) { + get_theme_stylebox(SNAME("button_pressed"))->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 = get_theme_stylebox(SNAME("button_highlight")); + Ref<Texture2D> cb = get_theme_icon(SNAME("close")); + + 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) { + get_theme_stylebox(SNAME("button_pressed"))->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); + } + } + + update(); + 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); + } + update(); + + 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()); + tabs.write[p_tab].text = p_title; + + _shape(p_tab); + _update_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } + update(); + 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); + update(); + } +} + +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); + } + update(); + 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()); + tabs.write[p_tab].icon = p_icon; + + _update_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } + update(); + 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()); + tabs.write[p_tab].disabled = p_disabled; + + _update_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } + update(); + 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()); + tabs.write[p_tab].hidden = p_hidden; + + _update_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } + update(); + 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()); + tabs.write[p_tab].right_button = p_icon; + + _update_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } + update(); + 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) { + update(); + 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) { + update(); + } + } +} + +void TabBar::_update_cache() { + if (tabs.is_empty()) { + buttons_visible = false; + return; + } + + Ref<StyleBox> tab_disabled = get_theme_stylebox(SNAME("tab_disabled")); + Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected")); + Ref<StyleBox> tab_selected = get_theme_stylebox(SNAME("tab_selected")); + Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); + Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); + + int limit = get_size().width; + int limit_minus_buttons = limit - incr->get_width() - decr->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; + + update(); +} + +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); + } + update(); + 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; + + update(); + 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); + } + } + + update(); + 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(); + update(); + } + + 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); + tab_alignment = p_alignment; + + _update_cache(); + update(); +} + +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); + } + update(); + 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); + } + update(); + notify_property_list_changed(); +} + +int TabBar::get_tab_width(int p_idx) const { + ERR_FAIL_INDEX_V(p_idx, tabs.size(), 0); + + Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected")); + Ref<StyleBox> tab_selected = get_theme_stylebox(SNAME("tab_selected")); + Ref<StyleBox> tab_disabled = get_theme_stylebox(SNAME("tab_disabled")); + int hseparation = get_theme_constant(SNAME("h_separation")); + + Ref<StyleBox> style; + + if (tabs[p_idx].disabled) { + style = tab_disabled; + } else if (current == p_idx) { + style = tab_selected; + } else { + style = tab_unselected; + } + int x = style->get_minimum_size().width; + + Ref<Texture2D> tex = tabs[p_idx].icon; + if (tex.is_valid()) { + x += tex->get_width() + hseparation; + } + + if (!tabs[p_idx].text.is_empty()) { + x += tabs[p_idx].size_text + hseparation; + } + + 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 = get_theme_stylebox(SNAME("button_highlight")); + 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() + hseparation; + } + } + + if (close_visible) { + Ref<StyleBox> btn_style = get_theme_stylebox(SNAME("button_highlight")); + Ref<Texture2D> cb = get_theme_icon(SNAME("close")); + x += btn_style->get_margin(SIDE_LEFT) + cb->get_width() + hseparation; + } + + if (x > style->get_minimum_size().width) { + x -= hseparation; + } + + return x; +} + +void TabBar::_ensure_no_over_offset() { + if (!is_inside_tree() || !buttons_visible) { + return; + } + + Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); + Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); + int limit_minus_buttons = get_size().width - incr->get_width() - decr->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(); + update(); + } +} + +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(); + update(); + + return; + } + + Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); + Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); + int limit_minus_buttons = get_size().width - incr->get_width() - decr->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(); + update(); + } +} + +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); + cb_displaypolicy = p_policy; + + _update_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } + update(); + 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); + max_width = p_width; + + _update_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } + update(); + 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)); +} |