diff options
Diffstat (limited to 'scene/gui/tab_bar.cpp')
-rw-r--r-- | scene/gui/tab_bar.cpp | 312 |
1 files changed, 211 insertions, 101 deletions
diff --git a/scene/gui/tab_bar.cpp b/scene/gui/tab_bar.cpp index b1baacd887..b96ba0ebf9 100644 --- a/scene/gui/tab_bar.cpp +++ b/scene/gui/tab_bar.cpp @@ -32,10 +32,10 @@ #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; @@ -49,7 +49,7 @@ Size2 TabBar::get_minimum_size() const { 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("hseparation")); + 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); @@ -72,7 +72,7 @@ Size2 TabBar::get_minimum_size() const { Ref<Texture2D> tex = tabs[i].icon; if (tex.is_valid()) { - ms.height = MAX(ms.height, tex->get_size().height); + ms.height = MAX(ms.height, tex->get_size().height + y_margin); ms.width += tex->get_size().width + hseparation; } @@ -92,13 +92,13 @@ Size2 TabBar::get_minimum_size() const { ms.width += button_highlight->get_margin(SIDE_LEFT) + rb->get_width() + hseparation; } - ms.height = MAX(rb->get_height() + style->get_minimum_size().height, ms.height); + 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(close->get_height() + style->get_minimum_size().height, ms.height); + ms.height = MAX(ms.height, close->get_height() + y_margin); } if (ms.width - ofs > style->get_minimum_size().width) { @@ -159,7 +159,13 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) { } } + if (get_viewport()->gui_is_dragging() && can_drop_data(pos, get_viewport()->gui_get_drag_data())) { + dragging_valid_tab = true; + update(); + } + _update_hover(); + return; } @@ -313,6 +319,7 @@ void TabBar::_notification(int 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) { @@ -332,6 +339,14 @@ void TabBar::_notification(int p_what) { 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; @@ -345,8 +360,6 @@ void TabBar::_notification(int p_what) { 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")); - Ref<Texture2D> incr_hl = get_theme_icon(SNAME("increment_highlight")); - Ref<Texture2D> decr_hl = get_theme_icon(SNAME("decrement_highlight")); bool rtl = is_layout_rtl(); Vector2 size = get_size(); @@ -390,7 +403,10 @@ void TabBar::_notification(int p_what) { } if (buttons_visible) { - int vofs = (get_size().height - incr->get_size().height) / 2; + 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) { @@ -418,6 +434,39 @@ void TabBar::_notification(int p_what) { } } } + + 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; } } @@ -428,7 +477,7 @@ void TabBar::_draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_in 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("hseparation")); + 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); @@ -524,13 +573,14 @@ void TabBar::set_tab_count(int p_count) { 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_cache(); + _ensure_no_over_offset(); + if (scroll_to_selected) { + ensure_tab_visible(current); + } } + update(); update_minimum_size(); notify_property_list_changed(); @@ -550,10 +600,6 @@ void TabBar::set_current_tab(int p_current) { emit_signal(SNAME("tab_selected"), current); return; } - // Triggered by dragging a tab from another TabBar to the selected index, to ensure that tab_changed is emitted. - if (previous == -1) { - previous = current; - } emit_signal(SNAME("tab_selected"), current); @@ -829,78 +875,52 @@ void TabBar::_update_cache() { int limit_minus_buttons = limit - incr->get_width() - decr->get_width(); int w = 0; - int mw = 0; - int size_fixed = 0; - int count_resize = 0; + + max_drawn_tab = tabs.size() - 1; for (int i = 0; i < tabs.size(); i++) { - tabs.write[i].size_text = Math::ceil(tabs[i].text_buf->get_size().x); tabs.write[i].text_buf->set_width(-1); - - tabs.write[i].ofs_cache = 0; + tabs.write[i].size_text = Math::ceil(tabs[i].text_buf->get_size().x); tabs.write[i].size_cache = get_tab_width(i); - if (!tabs[i].hidden) { - mw += tabs[i].size_cache; + 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); - if (tabs[i].size_cache <= min_width || i == current) { - size_fixed += tabs[i].size_cache; - } else { - count_resize++; - } + 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; } - } - - int m_width = min_width; - if (count_resize > 0) { - m_width = MAX((limit_minus_buttons - size_fixed) / count_resize, min_width); - } - - for (int i = offset; i < tabs.size(); i++) { - if (tabs[i].hidden) { - tabs.write[i].ofs_cache = w; - max_drawn_tab = i; + if (i < offset || i > max_drawn_tab) { + tabs.write[i].ofs_cache = 0; continue; } - int lsize = tabs[i].size_cache; - int slen = tabs[i].size_text; + tabs.write[i].ofs_cache = w; - // FIXME: This is completely broken. - if (min_width > 0 && (mw > limit || (offset > 0 && mw > limit_minus_buttons)) && i != current && lsize > m_width) { - slen = MAX(m_width - tabs[i].size_cache + tabs[i].size_text, 1); - lsize = m_width; + if (tabs[i].hidden) { + continue; } - tabs.write[i].ofs_cache = w; - tabs.write[i].size_cache = lsize; - tabs.write[i].size_text = slen; - tabs.write[i].text_buf->set_width(slen); - - w += lsize; - max_drawn_tab = i; + 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; - tabs.write[i].text_buf->set_width(-1); w -= tabs[i].size_cache; - max_drawn_tab--; + 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) { - tabs.write[max_drawn_tab].text_buf->set_width(-1); w -= tabs[max_drawn_tab].size_cache; } max_drawn_tab--; } - - break; } } @@ -934,34 +954,42 @@ void TabBar::_on_mouse_exited() { 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.xl_text = atr(p_str); t.text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR); - t.text_buf->add_string(t.xl_text, get_theme_font(SNAME("font")), get_theme_font_size(SNAME("font_size")), Dictionary(), TranslationServer::get_singleton()->get_tool_locale()); 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_cache(); update(); update_minimum_size(); notify_property_list_changed(); @@ -970,35 +998,43 @@ void TabBar::clear_tabs() { void TabBar::remove_tab(int p_idx) { ERR_FAIL_INDEX(p_idx, tabs.size()); tabs.remove_at(p_idx); - if (current >= p_idx) { + + bool is_tab_changing = current == p_idx && !tabs.is_empty(); + + if (current >= p_idx && current > 0) { current--; } - if (current < 0) { - current = 0; + if (tabs.is_empty()) { + offset = 0; + max_drawn_tab = 0; previous = 0; - } - if (current >= tabs.size()) { - current = tabs.size() - 1; - } + } 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 && !tabs.is_empty()) { - ensure_tab_visible(current); + _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 Variant(); + 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(); } @@ -1021,12 +1057,13 @@ Variant TabBar::get_drag_data(const Point2 &p_point) { 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 false; + return Control::can_drop_data(p_point, p_data); // Allow stuff like TabContainer to override it. } Dictionary d = p_data; @@ -1048,16 +1085,16 @@ bool TabBar::can_drop_data(const Point2 &p_point, const Variant &p_data) const { } } } + 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; } - int hover_now = get_tab_idx_at_point(p_point); - Dictionary d = p_data; if (!d.has("type")) { return; @@ -1065,17 +1102,34 @@ void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) { 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 (hover_now < 0) { - hover_now = get_tab_count() - 1; + 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); - emit_signal(SNAME("active_tab_rearranged"), hover_now); - set_current_tab(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. @@ -1087,20 +1141,42 @@ void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) { 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]; - if (hover_now < 0) { - hover_now = get_tab_count(); + 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++; + } } - // Workaround to ensure that tab_changed is emitted. - if (current == hover_now) { - current = -1; + if (!is_tab_disabled(hover_now)) { + set_current_tab(hover_now); + } else { + _update_cache(); + update(); } - tabs.insert(hover_now, moving_tab); - from_tabs->remove_tab(tab_from_id); - set_current_tab(hover_now); update_minimum_size(); + + if (tabs.size() == 1) { + emit_signal(SNAME("tab_selected"), 0); + emit_signal(SNAME("tab_changed"), 0); + } } } } @@ -1153,17 +1229,33 @@ bool TabBar::get_clip_tabs() const { return clip_tabs; } -void TabBar::move_tab(int from, int to) { - if (from == to) { +void TabBar::move_tab(int p_from, int p_to) { + if (p_from == p_to) { return; } - ERR_FAIL_INDEX(from, tabs.size()); - ERR_FAIL_INDEX(to, tabs.size()); + 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++; + } - Tab tab_from = tabs[from]; - tabs.remove_at(from); - tabs.insert(to, tab_from); + 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(); @@ -1180,7 +1272,7 @@ int TabBar::get_tab_width(int p_idx) const { 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("hseparation")); + int hseparation = get_theme_constant(SNAME("h_separation")); Ref<StyleBox> style; @@ -1338,8 +1430,21 @@ TabBar::CloseButtonDisplayPolicy TabBar::get_tab_close_display_policy() const { return cb_displaypolicy; } -void TabBar::set_min_width(int p_width) { - min_width = p_width; +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) { @@ -1462,6 +1567,7 @@ void TabBar::_bind_methods() { 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); @@ -1473,6 +1579,8 @@ void TabBar::_bind_methods() { 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); @@ -1497,8 +1605,10 @@ void TabBar::_bind_methods() { 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"), "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"); |