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Merge pull request #70901 from timothyqiu/tree-scroll-offset
Add scrollbar offset theme constants to Tree
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commit
a13635cdf8
@ -558,6 +558,24 @@
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<theme_item name="scroll_speed" data_type="constant" type="int" default="12">
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The speed of border scrolling.
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</theme_item>
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<theme_item name="scrollbar_h_separation" data_type="constant" type="int" default="4">
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The horizontal separation of tree content and scrollbar.
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</theme_item>
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<theme_item name="scrollbar_margin_bottom" data_type="constant" type="int" default="-1">
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The bottom margin of the scrollbars. When negative, uses [theme_item panel] bottom margin.
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</theme_item>
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<theme_item name="scrollbar_margin_left" data_type="constant" type="int" default="-1">
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The left margin of the horizontal scrollbar. When negative, uses [theme_item panel] left margin.
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</theme_item>
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<theme_item name="scrollbar_margin_right" data_type="constant" type="int" default="-1">
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The right margin of the scrollbars. When negative, uses [theme_item panel] right margin.
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</theme_item>
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<theme_item name="scrollbar_margin_top" data_type="constant" type="int" default="-1">
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The right margin of the vertical scrollbar. When negative, uses [theme_item panel] top margin.
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</theme_item>
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<theme_item name="scrollbar_v_separation" data_type="constant" type="int" default="4">
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The vertical separation of tree content and scrollbar.
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</theme_item>
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<theme_item name="v_separation" data_type="constant" type="int" default="4">
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The vertical padding inside each item, i.e. the distance between the item's content and top/bottom border.
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</theme_item>
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@ -1209,6 +1209,12 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
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theme->set_constant("scroll_border", "Tree", 40 * EDSCALE);
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theme->set_constant("scroll_speed", "Tree", 12);
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theme->set_constant("outline_size", "Tree", 0 * EDSCALE);
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theme->set_constant("scrollbar_margin_left", "Tree", 0);
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theme->set_constant("scrollbar_margin_top", "Tree", 0);
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theme->set_constant("scrollbar_margin_right", "Tree", 0);
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theme->set_constant("scrollbar_margin_bottom", "Tree", 0);
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theme->set_constant("scrollbar_h_separation", "Tree", 1 * EDSCALE);
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theme->set_constant("scrollbar_v_separation", "Tree", 1 * EDSCALE);
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const Color guide_color = mono_color * Color(1, 1, 1, 0.05);
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Color relationship_line_color = mono_color * Color(1, 1, 1, relationship_line_opacity);
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@ -1644,6 +1644,13 @@ void Tree::_update_theme_item_cache() {
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theme_cache.scroll_border = get_theme_constant(SNAME("scroll_border"));
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theme_cache.scroll_speed = get_theme_constant(SNAME("scroll_speed"));
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theme_cache.scrollbar_margin_top = get_theme_constant(SNAME("scrollbar_margin_top"));
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theme_cache.scrollbar_margin_right = get_theme_constant(SNAME("scrollbar_margin_right"));
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theme_cache.scrollbar_margin_bottom = get_theme_constant(SNAME("scrollbar_margin_bottom"));
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theme_cache.scrollbar_margin_left = get_theme_constant(SNAME("scrollbar_margin_left"));
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theme_cache.scrollbar_h_separation = get_theme_constant(SNAME("scrollbar_h_separation"));
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theme_cache.scrollbar_v_separation = get_theme_constant(SNAME("scrollbar_v_separation"));
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theme_cache.title_button = get_theme_stylebox(SNAME("title_button_normal"));
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theme_cache.title_button_pressed = get_theme_stylebox(SNAME("title_button_pressed"));
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theme_cache.title_button_hover = get_theme_stylebox(SNAME("title_button_hover"));
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@ -2018,9 +2025,8 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
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if (i == 0) {
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if (p_item->cells[0].selected && select_mode == SELECT_ROW) {
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Rect2i row_rect = Rect2i(Point2i(theme_cache.panel_style->get_margin(SIDE_LEFT), item_rect.position.y), Size2i(get_size().width - theme_cache.panel_style->get_minimum_size().width, item_rect.size.y));
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//Rect2 r = Rect2i(row_rect.pos,row_rect.size);
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//r.grow(cache.selected->get_margin(SIDE_LEFT));
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const Rect2 content_rect = _get_content_rect();
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Rect2i row_rect = Rect2i(Point2i(content_rect.position.x, item_rect.position.y), Size2i(content_rect.size.x, item_rect.size.y));
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if (rtl) {
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row_rect.position.x = get_size().width - row_rect.position.x - row_rect.size.x;
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}
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@ -3188,6 +3194,42 @@ bool Tree::_scroll(bool p_horizontal, float p_pages) {
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return scroll->get_value() != prev_value;
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}
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Rect2 Tree::_get_scrollbar_layout_rect() const {
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const Size2 control_size = get_size();
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const Ref<StyleBox> background = theme_cache.panel_style;
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// This is the background stylebox's content rect.
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const real_t width = control_size.x - background->get_margin(SIDE_LEFT) - background->get_margin(SIDE_RIGHT);
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const real_t height = control_size.y - background->get_margin(SIDE_TOP) - background->get_margin(SIDE_BOTTOM);
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const Rect2 content_rect = Rect2(background->get_offset(), Size2(width, height));
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// Use the stylebox's margins by default. Can be overridden by `scrollbar_margin_*`.
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const real_t top = theme_cache.scrollbar_margin_top < 0 ? content_rect.get_position().y : theme_cache.scrollbar_margin_top;
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const real_t right = theme_cache.scrollbar_margin_right < 0 ? content_rect.get_end().x : (control_size.x - theme_cache.scrollbar_margin_right);
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const real_t bottom = theme_cache.scrollbar_margin_bottom < 0 ? content_rect.get_end().y : (control_size.y - theme_cache.scrollbar_margin_bottom);
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const real_t left = theme_cache.scrollbar_margin_left < 0 ? content_rect.get_position().x : theme_cache.scrollbar_margin_left;
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return Rect2(left, top, right - left, bottom - top);
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}
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Rect2 Tree::_get_content_rect() const {
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const Size2 control_size = get_size();
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const Ref<StyleBox> background = theme_cache.panel_style;
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// This is the background stylebox's content rect.
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const real_t width = control_size.x - background->get_margin(SIDE_LEFT) - background->get_margin(SIDE_RIGHT);
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const real_t height = control_size.y - background->get_margin(SIDE_TOP) - background->get_margin(SIDE_BOTTOM);
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const Rect2 content_rect = Rect2(background->get_offset(), Size2(width, height));
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// Scrollbars won't affect Tree's content rect if they're not visible or placed inside the stylebox margin area.
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const real_t v_size = v_scroll->is_visible() ? (v_scroll->get_combined_minimum_size().x + theme_cache.scrollbar_h_separation) : 0;
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const real_t h_size = h_scroll->is_visible() ? (h_scroll->get_combined_minimum_size().y + theme_cache.scrollbar_v_separation) : 0;
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const Point2 scroll_begin = _get_scrollbar_layout_rect().get_end() - Vector2(v_size, h_size);
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const Size2 offset = (content_rect.get_end() - scroll_begin).max(Vector2(0, 0));
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return content_rect.grow_individual(0, 0, -offset.x, -offset.y);
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}
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void Tree::gui_input(const Ref<InputEvent> &p_event) {
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ERR_FAIL_COND(p_event.is_null());
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@ -3837,7 +3879,7 @@ bool Tree::is_editing() {
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}
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Size2 Tree::get_internal_min_size() const {
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Size2i size = theme_cache.panel_style->get_offset();
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Size2i size;
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if (root) {
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size.height += get_item_height(root);
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}
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@ -3849,16 +3891,17 @@ Size2 Tree::get_internal_min_size() const {
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}
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void Tree::update_scrollbars() {
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const Size2 size = get_size();
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const Size2 control_size = get_size();
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const Ref<StyleBox> background = theme_cache.panel_style;
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// This is the background stylebox's content rect.
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const real_t width = control_size.x - background->get_margin(SIDE_LEFT) - background->get_margin(SIDE_RIGHT);
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const real_t height = control_size.y - background->get_margin(SIDE_TOP) - background->get_margin(SIDE_BOTTOM);
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const Rect2 content_rect = Rect2(background->get_offset(), Size2(width, height));
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const Size2 hmin = h_scroll->get_combined_minimum_size();
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const Size2 vmin = v_scroll->get_combined_minimum_size();
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const Rect2 content_rect = Rect2(theme_cache.panel_style->get_offset(), size - theme_cache.panel_style->get_minimum_size());
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v_scroll->set_begin(content_rect.get_position() + Vector2(content_rect.get_size().x - vmin.width, 0));
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v_scroll->set_end(content_rect.get_end() - Vector2(0, hmin.height));
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h_scroll->set_begin(content_rect.get_position() + Vector2(0, content_rect.get_size().y - hmin.height));
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h_scroll->set_end(content_rect.get_end() - Vector2(vmin.width, 0));
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const Size2 internal_min_size = get_internal_min_size();
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const int title_button_height = _get_title_button_height();
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@ -3896,6 +3939,12 @@ void Tree::update_scrollbars() {
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h_scroll->hide();
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theme_cache.offset.x = 0;
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}
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const Rect2 scroll_rect = _get_scrollbar_layout_rect();
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v_scroll->set_begin(scroll_rect.get_position() + Vector2(scroll_rect.get_size().x - vmin.width, 0));
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v_scroll->set_end(scroll_rect.get_end() - Vector2(0, display_hscroll ? hmin.height : 0));
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h_scroll->set_begin(scroll_rect.get_position() + Vector2(0, scroll_rect.get_size().y - hmin.height));
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h_scroll->set_end(scroll_rect.get_end() - Vector2(display_vscroll ? vmin.width : 0, 0));
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}
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int Tree::_get_title_button_height() const {
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@ -4010,13 +4059,10 @@ void Tree::_notification(int p_what) {
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RID ci = get_canvas_item();
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Ref<StyleBox> bg = theme_cache.panel_style;
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const Rect2 content_rect = _get_content_rect();
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Point2 draw_ofs;
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draw_ofs += bg->get_offset();
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Size2 draw_size = get_size() - bg->get_minimum_size();
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if (v_scroll->is_visible()) {
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draw_size.width -= v_scroll->get_minimum_size().width;
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}
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Point2 draw_ofs = content_rect.position;
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Size2 draw_size = content_rect.size;
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bg->draw(ci, Rect2(Point2(), get_size()));
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@ -4475,18 +4521,7 @@ int Tree::get_column_width(int p_column) const {
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int column_width = get_column_minimum_width(p_column);
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if (columns[p_column].expand) {
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int expand_area = get_size().width;
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Ref<StyleBox> bg = theme_cache.panel_style;
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if (bg.is_valid()) {
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expand_area -= bg->get_margin(SIDE_LEFT) + bg->get_margin(SIDE_RIGHT);
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}
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if (v_scroll->is_visible_in_tree()) {
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expand_area -= v_scroll->get_combined_minimum_size().width;
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}
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int expand_area = _get_content_rect().size.width;
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int expanding_total = 0;
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for (int i = 0; i < columns.size(); i++) {
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@ -4586,7 +4621,7 @@ void Tree::ensure_cursor_is_visible() {
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}
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// Note: Code below similar to Tree::scroll_to_item(), in case of bug fix both.
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const Size2 area_size = get_size() - theme_cache.panel_style->get_minimum_size();
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const Size2 area_size = _get_content_rect().size;
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int y_offset = get_item_offset(selected_item);
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if (y_offset != -1) {
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@ -4595,9 +4630,6 @@ void Tree::ensure_cursor_is_visible() {
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const int cell_h = compute_item_height(selected_item) + theme_cache.v_separation;
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int screen_h = area_size.height - tbh;
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if (h_scroll->is_visible()) {
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screen_h -= h_scroll->get_combined_minimum_size().height;
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}
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if (cell_h > screen_h) { // Screen size is too small, maybe it was not resized yet.
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v_scroll->set_value(y_offset);
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@ -4615,7 +4647,7 @@ void Tree::ensure_cursor_is_visible() {
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}
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const int cell_w = get_column_width(selected_col);
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const int screen_w = area_size.width - v_scroll->get_combined_minimum_size().width;
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const int screen_w = area_size.width;
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if (cell_w > screen_w) {
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h_scroll->set_value(x_offset);
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@ -4773,7 +4805,7 @@ void Tree::scroll_to_item(TreeItem *p_item, bool p_center_on_item) {
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update_scrollbars();
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// Note: Code below similar to Tree::ensure_cursor_is_visible(), in case of bug fix both.
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const Size2 area_size = get_size() - theme_cache.panel_style->get_minimum_size();
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const Size2 area_size = _get_content_rect().size;
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int y_offset = get_item_offset(p_item);
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if (y_offset != -1) {
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@ -4782,9 +4814,6 @@ void Tree::scroll_to_item(TreeItem *p_item, bool p_center_on_item) {
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const int cell_h = compute_item_height(p_item) + theme_cache.v_separation;
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int screen_h = area_size.height - tbh;
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if (h_scroll->is_visible()) {
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screen_h -= h_scroll->get_combined_minimum_size().height;
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}
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if (p_center_on_item) {
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v_scroll->set_value(y_offset - (screen_h - cell_h) / 2.0f);
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@ -549,6 +549,13 @@ private:
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int scroll_border = 0;
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int scroll_speed = 0;
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int scrollbar_margin_top = -1;
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int scrollbar_margin_right = -1;
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int scrollbar_margin_bottom = -1;
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int scrollbar_margin_left = -1;
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int scrollbar_h_separation = 0;
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int scrollbar_v_separation = 0;
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} theme_cache;
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struct Cache {
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@ -635,6 +642,9 @@ private:
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bool _scroll(bool p_horizontal, float p_pages);
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Rect2 _get_scrollbar_layout_rect() const;
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Rect2 _get_content_rect() const; // Considering the background stylebox and scrollbars.
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protected:
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virtual void _update_theme_item_cache() override;
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@ -783,6 +783,12 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
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theme->set_constant("scroll_speed", "Tree", 12);
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theme->set_constant("outline_size", "Tree", 0);
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theme->set_constant("icon_max_width", "Tree", 0);
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theme->set_constant("scrollbar_margin_left", "Tree", -1);
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theme->set_constant("scrollbar_margin_top", "Tree", -1);
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theme->set_constant("scrollbar_margin_right", "Tree", -1);
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theme->set_constant("scrollbar_margin_bottom", "Tree", -1);
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theme->set_constant("scrollbar_h_separation", "Tree", 4 * scale);
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theme->set_constant("scrollbar_v_separation", "Tree", 4 * scale);
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// ItemList
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