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@@ -103,13 +103,17 @@ void Tabs::_gui_input(const Ref<InputEvent> &p_event) {
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}
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// test hovering to display right or close button
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+ int hover_now = -1;
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int hover_buttons = -1;
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- hover = -1;
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for (int i = 0; i < tabs.size(); i++) {
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if (i < offset)
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continue;
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+ Rect2 rect = get_tab_rect(i);
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+ if (rect.has_point(pos)) {
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+ hover_now = i;
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+ }
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if (tabs[i].rb_rect.has_point(pos)) {
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rb_hover = i;
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cb_hover = -1;
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@@ -122,6 +126,10 @@ void Tabs::_gui_input(const Ref<InputEvent> &p_event) {
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break;
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}
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}
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+ if (hover != hover_now) {
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+ hover = hover_now;
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+ emit_signal("tab_hover", hover);
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+ }
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if (hover_buttons == -1) { // no hover
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rb_hover = hover_buttons;
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@@ -234,11 +242,13 @@ void Tabs::_notification(int p_what) {
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update();
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} break;
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case NOTIFICATION_RESIZED: {
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-
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+ _update_cache();
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_ensure_no_over_offset();
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+ ensure_tab_visible(current);
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+
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} break;
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case NOTIFICATION_DRAW: {
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-
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+ _update_cache();
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RID ci = get_canvas_item();
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Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
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@@ -286,18 +296,7 @@ void Tabs::_notification(int p_what) {
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tabs[i].ofs_cache = w;
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- int lsize = get_tab_width(i);
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-
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- String text = tabs[i].text;
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- int slen = font->get_string_size(text).width;
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-
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- if (w + lsize > limit) {
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- max_drawn_tab = i - 1;
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- missing_right = true;
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- break;
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- } else {
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- max_drawn_tab = i;
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- }
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+ int lsize = tabs[i].size_cache;
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Ref<StyleBox> sb;
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Color col;
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@@ -313,7 +312,15 @@ void Tabs::_notification(int p_what) {
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col = color_bg;
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}
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- Rect2 sb_rect = Rect2(w, 0, lsize, h);
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+ if (w + lsize > limit) {
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+ max_drawn_tab = i - 1;
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+ missing_right = true;
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+ break;
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+ } else {
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+ max_drawn_tab = i;
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+ }
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+
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+ Rect2 sb_rect = Rect2(w, 0, tabs[i].size_cache, h);
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sb->draw(ci, sb_rect);
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w += sb->get_margin(MARGIN_LEFT);
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@@ -323,13 +330,13 @@ void Tabs::_notification(int p_what) {
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if (icon.is_valid()) {
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icon->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2));
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- if (text != "")
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+ if (tabs[i].text != "")
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w += icon->get_width() + get_constant("hseparation");
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}
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- font->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - font->get_height()) / 2 + font->get_ascent()), text, col);
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+ 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);
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- w += slen;
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+ w += tabs[i].size_text;
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if (tabs[i].right_button.is_valid()) {
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@@ -380,8 +387,6 @@ void Tabs::_notification(int p_what) {
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}
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w += sb->get_margin(MARGIN_RIGHT);
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-
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- tabs[i].size_cache = w - tabs[i].ofs_cache;
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}
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if (offset > 0 || missing_right) {
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@@ -419,6 +424,7 @@ void Tabs::set_current_tab(int p_current) {
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current = p_current;
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_change_notify("current_tab");
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+ _update_cache();
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update();
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}
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@@ -427,6 +433,10 @@ int Tabs::get_current_tab() const {
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return current;
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}
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+int Tabs::get_hovered_tab() const {
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+ return hover;
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+}
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+
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void Tabs::set_tab_title(int p_tab, const String &p_title) {
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ERR_FAIL_INDEX(p_tab, tabs.size());
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@@ -480,15 +490,81 @@ Ref<Texture> Tabs::get_tab_right_button(int p_tab) const {
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return tabs[p_tab].right_button;
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}
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+void Tabs::_update_cache() {
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+ Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
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+ Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
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+ Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
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+ Ref<Font> font = get_font("font");
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+ Ref<Texture> incr = get_icon("increment");
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+ Ref<Texture> decr = get_icon("decrement");
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+ int limit = get_size().width - incr->get_width() - decr->get_width();
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+
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+ int w = 0;
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+ int mw = 0;
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+ int size_fixed = 0;
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+ int count_resize = 0;
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+ for (int i = 0; i < tabs.size(); i++) {
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+ tabs[i].ofs_cache = mw;
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+ tabs[i].size_cache = get_tab_width(i);
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+ tabs[i].size_text = font->get_string_size(tabs[i].text).width;
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+ mw += tabs[i].size_cache;
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+ if (tabs[i].size_cache <= min_width || i == current) {
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+ size_fixed += tabs[i].size_cache;
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+ } else {
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+ count_resize++;
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+ }
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+ }
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+ int m_width = min_width;
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+ if (count_resize > 0) {
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+ m_width = MAX((limit - size_fixed) / count_resize, min_width);
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+ }
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+ for (int i = 0; i < tabs.size(); i++) {
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+ if (i < offset)
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+ continue;
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+ Ref<StyleBox> sb;
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+ if (tabs[i].disabled) {
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+ sb = tab_disabled;
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+ } else if (i == current) {
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+ sb = tab_fg;
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+ } else {
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+ sb = tab_bg;
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+ }
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+ int lsize = tabs[i].size_cache;
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+ int slen = tabs[i].size_text;
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+ if (min_width > 0 && mw > limit && i != current) {
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+ if (lsize > m_width) {
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+ slen = m_width - (sb->get_margin(MARGIN_LEFT) + sb->get_margin(MARGIN_RIGHT));
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+ if (tabs[i].icon.is_valid()) {
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+ slen -= tabs[i].icon->get_width();
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+ slen -= get_constant("hseparation");
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+ }
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+ if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
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+ Ref<Texture> cb = get_icon("close");
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+ slen -= cb->get_width();
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+ slen -= get_constant("hseparation");
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+ }
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+ slen = MAX(slen, 1);
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+ lsize = m_width;
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+ }
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+ }
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+ tabs[i].ofs_cache = w;
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+ tabs[i].size_cache = lsize;
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+ tabs[i].size_text = slen;
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+ w += lsize;
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+ }
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+}
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+
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void Tabs::add_tab(const String &p_str, const Ref<Texture> &p_icon) {
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Tab t;
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t.text = p_str;
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t.icon = p_icon;
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t.disabled = false;
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+ t.ofs_cache = 0;
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+ t.size_cache = 0;
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tabs.push_back(t);
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-
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+ _update_cache();
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update();
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minimum_size_changed();
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}
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@@ -505,6 +581,7 @@ void Tabs::remove_tab(int p_idx) {
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tabs.remove(p_idx);
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if (current >= p_idx)
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current--;
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+ _update_cache();
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update();
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minimum_size_changed();
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@@ -587,7 +664,7 @@ void Tabs::_ensure_no_over_offset() {
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if (i < offset - 1)
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continue;
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- total_w += get_tab_width(i);
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+ total_w += tabs[i].size_cache;
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}
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if (total_w < limit) {
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@@ -604,37 +681,35 @@ void Tabs::ensure_tab_visible(int p_idx) {
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if (!is_inside_tree())
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return;
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+ if (tabs.size() == 0) return;
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ERR_FAIL_INDEX(p_idx, tabs.size());
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- _ensure_no_over_offset();
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-
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- if (p_idx <= offset) {
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+ if (p_idx == offset) {
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+ return;
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+ }
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+ if (p_idx < offset) {
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offset = p_idx;
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update();
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return;
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}
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+ int prev_offset = offset;
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Ref<Texture> incr = get_icon("increment");
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Ref<Texture> decr = get_icon("decrement");
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int limit = get_size().width - incr->get_width() - decr->get_width();
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-
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- int x = 0;
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- for (int i = 0; i < tabs.size(); i++) {
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-
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- if (i < offset)
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- continue;
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-
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- int sz = get_tab_width(i);
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- tabs[i].x_cache = x;
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- tabs[i].x_size_cache = sz;
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- x += sz;
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+ for (int i = offset; i <= p_idx; i++) {
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+ if (tabs[i].ofs_cache + tabs[i].size_cache > limit) {
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+ offset++;
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+ }
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}
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- while (offset < tabs.size() && ((tabs[p_idx].x_cache + tabs[p_idx].x_size_cache) - tabs[offset].x_cache) > limit) {
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- offset++;
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+ if (prev_offset != offset) {
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+ update();
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}
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+}
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- update();
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+Rect2 Tabs::get_tab_rect(int p_tab) {
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+ return Rect2(tabs[p_tab].ofs_cache, 0, tabs[p_tab].size_cache, get_size().height);
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}
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void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
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@@ -642,6 +717,10 @@ void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
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update();
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}
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+void Tabs::set_min_width(int p_width) {
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+ min_width = p_width;
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+}
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+
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void Tabs::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_gui_input"), &Tabs::_gui_input);
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@@ -663,6 +742,7 @@ void Tabs::_bind_methods() {
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ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab")));
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ADD_SIGNAL(MethodInfo("right_button_pressed", PropertyInfo(Variant::INT, "tab")));
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ADD_SIGNAL(MethodInfo("tab_close", PropertyInfo(Variant::INT, "tab")));
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+ ADD_SIGNAL(MethodInfo("tab_hover", PropertyInfo(Variant::INT, "tab")));
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ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1", PROPERTY_USAGE_EDITOR), "set_current_tab", "get_current_tab");
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@@ -688,4 +768,6 @@ Tabs::Tabs() {
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cb_displaypolicy = CLOSE_BUTTON_SHOW_NEVER;
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offset = 0;
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max_drawn_tab = 0;
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+
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+ min_width = 0;
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}
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Rémi Verschelde