/*************************************************************************/ /* tabs.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "tabs.h" #include "message_queue.h" Size2 Tabs::get_minimum_size() const { Ref<StyleBox> tab_bg = get_stylebox("tab_bg"); Ref<StyleBox> tab_fg = get_stylebox("tab_fg"); Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled"); Ref<Font> font = get_font("font"); Size2 ms(0, MAX(MAX(tab_bg->get_minimum_size().height, tab_fg->get_minimum_size().height), tab_disabled->get_minimum_size().height) + font->get_height()); for (int i = 0; i < tabs.size(); i++) { Ref<Texture> tex = tabs[i].icon; if (tex.is_valid()) { ms.height = MAX(ms.height, tex->get_size().height); if (tabs[i].text != "") ms.width += get_constant("hseparation"); } ms.width += font->get_string_size(tabs[i].text).width; if (tabs[i].disabled) ms.width += tab_disabled->get_minimum_size().width; else if (current == i) ms.width += tab_fg->get_minimum_size().width; else ms.width += tab_bg->get_minimum_size().width; if (tabs[i].right_button.is_valid()) { Ref<Texture> rb = tabs[i].right_button; Size2 bms = rb->get_size(); bms.width += get_constant("hseparation"); ms.width += bms.width; ms.height = MAX(bms.height + tab_bg->get_minimum_size().height, ms.height); } if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) { Ref<Texture> cb = get_icon("close"); Size2 bms = cb->get_size(); bms.width += get_constant("hseparation"); ms.width += bms.width; ms.height = MAX(bms.height + tab_bg->get_minimum_size().height, ms.height); } } ms.width = 0; //TODO: should make this optional return ms; } void Tabs::_gui_input(const Ref<InputEvent> &p_event) { Ref<InputEventMouseMotion> mm = p_event; if (mm.is_valid()) { Point2 pos = mm->get_position(); highlight_arrow = -1; if (buttons_visible) { Ref<Texture> incr = get_icon("increment"); Ref<Texture> decr = get_icon("decrement"); int limit = get_size().width - incr->get_width() - decr->get_width(); if (pos.x > limit + decr->get_width()) { highlight_arrow = 1; } else if (pos.x > limit) { highlight_arrow = 0; } } // test hovering to display right or close button int hover_now = -1; int hover_buttons = -1; for (int i = 0; i < tabs.size(); i++) { if (i < offset) continue; Rect2 rect = get_tab_rect(i); if (rect.has_point(pos)) { hover_now = i; } if (tabs[i].rb_rect.has_point(pos)) { rb_hover = i; cb_hover = -1; hover_buttons = i; break; } else if (!tabs[i].disabled && tabs[i].cb_rect.has_point(pos)) { cb_hover = i; rb_hover = -1; hover_buttons = i; break; } } if (hover != hover_now) { hover = hover_now; emit_signal("tab_hover", hover); } if (hover_buttons == -1) { // no hover rb_hover = hover_buttons; cb_hover = hover_buttons; } update(); return; } Ref<InputEventMouseButton> mb = p_event; if (rb_pressing && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) { if (rb_hover != -1) { //pressed emit_signal("right_button_pressed", rb_hover); } rb_pressing = false; update(); } if (cb_pressing && mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) { if (cb_hover != -1) { //pressed emit_signal("tab_close", cb_hover); } cb_pressing = false; update(); } if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) { // clicks Point2 pos(mb->get_position().x, mb->get_position().y); if (buttons_visible) { Ref<Texture> incr = get_icon("increment"); Ref<Texture> decr = get_icon("decrement"); int limit = get_size().width - incr->get_width() - decr->get_width(); if (pos.x > limit + decr->get_width()) { if (missing_right) { offset++; update(); } return; } else if (pos.x > limit) { if (offset > 0) { offset--; update(); } return; } } int found = -1; for (int i = 0; i < tabs.size(); i++) { if (i < offset) continue; if (tabs[i].rb_rect.has_point(pos)) { rb_pressing = true; update(); return; } if (tabs[i].cb_rect.has_point(pos)) { cb_pressing = true; update(); return; } if (pos.x >= tabs[i].ofs_cache && pos.x < tabs[i].ofs_cache + tabs[i].size_cache) { if (!tabs[i].disabled) { found = i; } break; } } if (found != -1) { set_current_tab(found); emit_signal("tab_clicked", found); } } } void Tabs::_notification(int p_what) { switch (p_what) { case NOTIFICATION_MOUSE_EXIT: { rb_hover = -1; cb_hover = -1; hover = -1; update(); } break; case NOTIFICATION_RESIZED: { _update_cache(); _ensure_no_over_offset(); ensure_tab_visible(current); } break; case NOTIFICATION_DRAW: { _update_cache(); RID ci = get_canvas_item(); Ref<StyleBox> tab_bg = get_stylebox("tab_bg"); Ref<StyleBox> tab_fg = get_stylebox("tab_fg"); Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled"); Ref<Font> font = get_font("font"); Color color_fg = get_color("font_color_fg"); Color color_bg = get_color("font_color_bg"); Color color_disabled = get_color("font_color_disabled"); Ref<Texture> close = get_icon("close"); int h = get_size().height; int w = 0; int mw = 0; for (int i = 0; i < tabs.size(); i++) { tabs[i].ofs_cache = mw; mw += get_tab_width(i); } if (tab_align == ALIGN_CENTER) { w = (get_size().width - mw) / 2; } else if (tab_align == ALIGN_RIGHT) { w = get_size().width - mw; } if (w < 0) { w = 0; } Ref<Texture> incr = get_icon("increment"); Ref<Texture> decr = get_icon("decrement"); Ref<Texture> incr_hl = get_icon("increment_highlight"); Ref<Texture> decr_hl = get_icon("decrement_highlight"); int limit = get_size().width - incr->get_size().width - decr->get_size().width; missing_right = false; for (int i = 0; i < tabs.size(); i++) { if (i < offset) continue; tabs[i].ofs_cache = w; int lsize = tabs[i].size_cache; Ref<StyleBox> sb; Color col; if (tabs[i].disabled) { sb = tab_disabled; col = color_disabled; } else if (i == current) { sb = tab_fg; col = color_fg; } else { sb = tab_bg; col = color_bg; } if (w + lsize > limit) { max_drawn_tab = i - 1; missing_right = true; break; } else { max_drawn_tab = i; } Rect2 sb_rect = Rect2(w, 0, tabs[i].size_cache, h); sb->draw(ci, sb_rect); w += sb->get_margin(MARGIN_LEFT); Size2i sb_ms = sb->get_minimum_size(); Ref<Texture> icon = tabs[i].icon; if (icon.is_valid()) { icon->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2)); if (tabs[i].text != "") w += icon->get_width() + get_constant("hseparation"); } font->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - font->get_height()) / 2 + font->get_ascent()), tabs[i].text, col, tabs[i].size_text); w += tabs[i].size_text; if (tabs[i].right_button.is_valid()) { Ref<StyleBox> style = get_stylebox("button"); Ref<Texture> rb = tabs[i].right_button; w += get_constant("hseparation"); Rect2 rb_rect; rb_rect.size = style->get_minimum_size() + rb->get_size(); rb_rect.position.x = w; rb_rect.position.y = sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - (rb_rect.size.y)) / 2; if (rb_hover == i) { if (rb_pressing) get_stylebox("button_pressed")->draw(ci, rb_rect); else style->draw(ci, rb_rect); } rb->draw(ci, Point2i(w + style->get_margin(MARGIN_LEFT), rb_rect.position.y + style->get_margin(MARGIN_TOP))); w += rb->get_width(); tabs[i].rb_rect = rb_rect; } if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) { Ref<StyleBox> style = get_stylebox("button"); Ref<Texture> cb = close; w += get_constant("hseparation"); Rect2 cb_rect; cb_rect.size = style->get_minimum_size() + cb->get_size(); cb_rect.position.x = w; cb_rect.position.y = sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - (cb_rect.size.y)) / 2; if (!tabs[i].disabled && cb_hover == i) { if (cb_pressing) get_stylebox("button_pressed")->draw(ci, cb_rect); else style->draw(ci, cb_rect); } cb->draw(ci, Point2i(w + style->get_margin(MARGIN_LEFT), cb_rect.position.y + style->get_margin(MARGIN_TOP))); w += cb->get_width(); tabs[i].cb_rect = cb_rect; } w += sb->get_margin(MARGIN_RIGHT); } if (offset > 0 || missing_right) { int vofs = (get_size().height - incr->get_size().height) / 2; if (offset > 0) draw_texture(highlight_arrow == 0 ? decr_hl : decr, Point2(limit, vofs)); else draw_texture(decr, Point2(limit, vofs), Color(1, 1, 1, 0.5)); if (missing_right) draw_texture(highlight_arrow == 1 ? incr_hl : incr, Point2(limit + decr->get_size().width, vofs)); else draw_texture(incr, Point2(limit + decr->get_size().width, vofs), Color(1, 1, 1, 0.5)); buttons_visible = true; } else { buttons_visible = false; } } break; } } int Tabs::get_tab_count() const { return tabs.size(); } void Tabs::set_current_tab(int p_current) { if (current == p_current) return; ERR_FAIL_INDEX(p_current, get_tab_count()); current = p_current; _change_notify("current_tab"); _update_cache(); update(); emit_signal("tab_changed", p_current); } int Tabs::get_current_tab() const { return current; } int Tabs::get_hovered_tab() const { return hover; } void Tabs::set_tab_title(int p_tab, const String &p_title) { ERR_FAIL_INDEX(p_tab, tabs.size()); tabs[p_tab].text = p_title; update(); minimum_size_changed(); } String Tabs::get_tab_title(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), ""); return tabs[p_tab].text; } void Tabs::set_tab_icon(int p_tab, const Ref<Texture> &p_icon) { ERR_FAIL_INDEX(p_tab, tabs.size()); tabs[p_tab].icon = p_icon; update(); minimum_size_changed(); } Ref<Texture> Tabs::get_tab_icon(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture>()); return tabs[p_tab].icon; } void Tabs::set_tab_disabled(int p_tab, bool p_disabled) { ERR_FAIL_INDEX(p_tab, tabs.size()); tabs[p_tab].disabled = p_disabled; update(); } bool Tabs::get_tab_disabled(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), false); return tabs[p_tab].disabled; } void Tabs::set_tab_right_button(int p_tab, const Ref<Texture> &p_right_button) { ERR_FAIL_INDEX(p_tab, tabs.size()); tabs[p_tab].right_button = p_right_button; update(); minimum_size_changed(); } Ref<Texture> Tabs::get_tab_right_button(int p_tab) const { ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture>()); return tabs[p_tab].right_button; } void Tabs::_update_cache() { Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled"); Ref<StyleBox> tab_bg = get_stylebox("tab_bg"); Ref<StyleBox> tab_fg = get_stylebox("tab_fg"); Ref<Font> font = get_font("font"); Ref<Texture> incr = get_icon("increment"); Ref<Texture> decr = get_icon("decrement"); int limit = get_size().width - incr->get_width() - decr->get_width(); int w = 0; int mw = 0; int size_fixed = 0; int count_resize = 0; for (int i = 0; i < tabs.size(); i++) { tabs[i].ofs_cache = mw; tabs[i].size_cache = get_tab_width(i); tabs[i].size_text = font->get_string_size(tabs[i].text).width; mw += tabs[i].size_cache; if (tabs[i].size_cache <= min_width || i == current) { size_fixed += tabs[i].size_cache; } else { count_resize++; } } int m_width = min_width; if (count_resize > 0) { m_width = MAX((limit - size_fixed) / count_resize, min_width); } for (int i = 0; i < tabs.size(); i++) { if (i < offset) continue; Ref<StyleBox> sb; if (tabs[i].disabled) { sb = tab_disabled; } else if (i == current) { sb = tab_fg; } else { sb = tab_bg; } int lsize = tabs[i].size_cache; int slen = tabs[i].size_text; if (min_width > 0 && mw > limit && i != current) { if (lsize > m_width) { slen = m_width - (sb->get_margin(MARGIN_LEFT) + sb->get_margin(MARGIN_RIGHT)); if (tabs[i].icon.is_valid()) { slen -= tabs[i].icon->get_width(); slen -= get_constant("hseparation"); } if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) { Ref<Texture> cb = get_icon("close"); slen -= cb->get_width(); slen -= get_constant("hseparation"); } slen = MAX(slen, 1); lsize = m_width; } } tabs[i].ofs_cache = w; tabs[i].size_cache = lsize; tabs[i].size_text = slen; w += lsize; } } void Tabs::add_tab(const String &p_str, const Ref<Texture> &p_icon) { Tab t; t.text = p_str; t.icon = p_icon; t.disabled = false; t.ofs_cache = 0; t.size_cache = 0; tabs.push_back(t); _update_cache(); update(); minimum_size_changed(); } void Tabs::clear_tabs() { tabs.clear(); current = 0; update(); } void Tabs::remove_tab(int p_idx) { ERR_FAIL_INDEX(p_idx, tabs.size()); tabs.remove(p_idx); if (current >= p_idx) current--; _update_cache(); update(); minimum_size_changed(); if (current < 0) current = 0; if (current >= tabs.size()) current = tabs.size() - 1; _ensure_no_over_offset(); } Variant Tabs::get_drag_data(const Point2 &p_point) { return get_tab_idx_at_point(p_point); } bool Tabs::can_drop_data(const Point2 &p_point, const Variant &p_data) const { return get_tab_idx_at_point(p_point) > -1; } void Tabs::drop_data(const Point2 &p_point, const Variant &p_data) { int hover_now = get_tab_idx_at_point(p_point); ERR_FAIL_INDEX(hover_now, tabs.size()); emit_signal("reposition_active_tab_request", hover_now); } int Tabs::get_tab_idx_at_point(const Point2 &p_point) const { int hover_now = -1; for (int i = 0; i < tabs.size(); i++) { if (i < offset) continue; Rect2 rect = get_tab_rect(i); if (rect.has_point(p_point)) { hover_now = i; } } return hover_now; } void Tabs::set_tab_align(TabAlign p_align) { ERR_FAIL_INDEX(p_align, ALIGN_MAX); tab_align = p_align; update(); } Tabs::TabAlign Tabs::get_tab_align() const { return tab_align; } void Tabs::move_tab(int from, int to) { if (from == to) return; ERR_FAIL_INDEX(from, tabs.size()); ERR_FAIL_INDEX(to, tabs.size()); Tab tab_from = tabs[from]; tabs.remove(from); tabs.insert(to, tab_from); _update_cache(); update(); } int Tabs::get_tab_width(int p_idx) const { ERR_FAIL_INDEX_V(p_idx, tabs.size(), 0); Ref<StyleBox> tab_bg = get_stylebox("tab_bg"); Ref<StyleBox> tab_fg = get_stylebox("tab_fg"); Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled"); Ref<Font> font = get_font("font"); int x = 0; Ref<Texture> tex = tabs[p_idx].icon; if (tex.is_valid()) { x += tex->get_width(); if (tabs[p_idx].text != "") x += get_constant("hseparation"); } x += font->get_string_size(tabs[p_idx].text).width; if (tabs[p_idx].disabled) x += tab_disabled->get_minimum_size().width; else if (current == p_idx) x += tab_fg->get_minimum_size().width; else x += tab_bg->get_minimum_size().width; if (tabs[p_idx].right_button.is_valid()) { Ref<Texture> rb = tabs[p_idx].right_button; x += rb->get_width(); x += get_constant("hseparation"); } if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_idx == current)) { Ref<Texture> cb = get_icon("close"); x += cb->get_width(); x += get_constant("hseparation"); } return x; } void Tabs::_ensure_no_over_offset() { if (!is_inside_tree()) return; Ref<Texture> incr = get_icon("increment"); Ref<Texture> decr = get_icon("decrement"); int limit = get_size().width - incr->get_width() - decr->get_width(); while (offset > 0) { int total_w = 0; for (int i = 0; i < tabs.size(); i++) { if (i < offset - 1) continue; total_w += tabs[i].size_cache; } if (total_w < limit) { offset--; update(); } else { break; } } } void Tabs::ensure_tab_visible(int p_idx) { if (!is_inside_tree()) return; if (tabs.size() == 0) return; ERR_FAIL_INDEX(p_idx, tabs.size()); if (p_idx == offset) { return; } if (p_idx < offset) { offset = p_idx; update(); return; } int prev_offset = offset; Ref<Texture> incr = get_icon("increment"); Ref<Texture> decr = get_icon("decrement"); int limit = get_size().width - incr->get_width() - decr->get_width(); for (int i = offset; i <= p_idx; i++) { if (tabs[i].ofs_cache + tabs[i].size_cache > limit) { offset++; } } if (prev_offset != offset) { update(); } } Rect2 Tabs::get_tab_rect(int p_tab) const { return Rect2(tabs[p_tab].ofs_cache, 0, tabs[p_tab].size_cache, get_size().height); } void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) { ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX); cb_displaypolicy = p_policy; update(); } Tabs::CloseButtonDisplayPolicy Tabs::get_tab_close_display_policy() const { return cb_displaypolicy; } void Tabs::set_min_width(int p_width) { min_width = p_width; } void Tabs::_bind_methods() { ClassDB::bind_method(D_METHOD("_gui_input"), &Tabs::_gui_input); ClassDB::bind_method(D_METHOD("get_tab_count"), &Tabs::get_tab_count); ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &Tabs::set_current_tab); ClassDB::bind_method(D_METHOD("get_current_tab"), &Tabs::get_current_tab); ClassDB::bind_method(D_METHOD("set_tab_title", "tab_idx", "title"), &Tabs::set_tab_title); ClassDB::bind_method(D_METHOD("get_tab_title", "tab_idx"), &Tabs::get_tab_title); ClassDB::bind_method(D_METHOD("set_tab_icon", "tab_idx", "icon"), &Tabs::set_tab_icon); ClassDB::bind_method(D_METHOD("get_tab_icon", "tab_idx"), &Tabs::get_tab_icon); ClassDB::bind_method(D_METHOD("set_tab_disabled", "tab_idx", "disabled"), &Tabs::set_tab_disabled); ClassDB::bind_method(D_METHOD("get_tab_disabled", "tab_idx"), &Tabs::get_tab_disabled); ClassDB::bind_method(D_METHOD("remove_tab", "tab_idx"), &Tabs::remove_tab); ClassDB::bind_method(D_METHOD("add_tab", "title", "icon"), &Tabs::add_tab, DEFVAL(""), DEFVAL(Ref<Texture>())); ClassDB::bind_method(D_METHOD("set_tab_align", "align"), &Tabs::set_tab_align); ClassDB::bind_method(D_METHOD("get_tab_align"), &Tabs::get_tab_align); ClassDB::bind_method(D_METHOD("ensure_tab_visible", "idx"), &Tabs::ensure_tab_visible); ClassDB::bind_method(D_METHOD("get_tab_rect", "tab_idx"), &Tabs::get_tab_rect); ClassDB::bind_method(D_METHOD("move_tab", "from", "to"), &Tabs::move_tab); ClassDB::bind_method(D_METHOD("set_tab_close_display_policy", "policy"), &Tabs::set_tab_close_display_policy); ClassDB::bind_method(D_METHOD("get_tab_close_display_policy"), &Tabs::get_tab_close_display_policy); ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("right_button_pressed", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_close", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("tab_hover", PropertyInfo(Variant::INT, "tab"))); ADD_SIGNAL(MethodInfo("reposition_active_tab_request", PropertyInfo(Variant::INT, "idx_to"))); ADD_SIGNAL(MethodInfo("tab_clicked", PropertyInfo(Variant::INT, "tab"))); ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1", PROPERTY_USAGE_EDITOR), "set_current_tab", "get_current_tab"); ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "tab_close_display_policy", PROPERTY_HINT_ENUM, "Show Never,Show Active Only,Show Always"), "set_tab_close_display_policy", "get_tab_close_display_policy"); BIND_ENUM_CONSTANT(ALIGN_LEFT); BIND_ENUM_CONSTANT(ALIGN_CENTER); BIND_ENUM_CONSTANT(ALIGN_RIGHT); BIND_ENUM_CONSTANT(ALIGN_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); } Tabs::Tabs() { current = 0; tab_align = ALIGN_CENTER; rb_hover = -1; rb_pressing = false; highlight_arrow = -1; cb_hover = -1; cb_pressing = false; cb_displaypolicy = CLOSE_BUTTON_SHOW_NEVER; offset = 0; max_drawn_tab = 0; min_width = 0; }