diff options
Diffstat (limited to 'scene/gui/scroll_container.cpp')
-rw-r--r-- | scene/gui/scroll_container.cpp | 304 |
1 files changed, 168 insertions, 136 deletions
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp index b72b913af0..67dcf458b0 100644 --- a/scene/gui/scroll_container.cpp +++ b/scene/gui/scroll_container.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 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 */ @@ -45,7 +45,7 @@ Size2 ScrollContainer::get_minimum_size() const { if (!c) { continue; } - if (c->is_set_as_toplevel()) { + if (c->is_set_as_top_level()) { continue; } if (c == h_scroll || c == v_scroll) { @@ -88,13 +88,15 @@ void ScrollContainer::_cancel_drag() { } void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) { + ERR_FAIL_COND(p_gui_input.is_null()); + double prev_v_scroll = v_scroll->get_value(); double prev_h_scroll = h_scroll->get_value(); Ref<InputEventMouseButton> mb = p_gui_input; if (mb.is_valid()) { - if (mb->get_button_index() == BUTTON_WHEEL_UP && mb->is_pressed()) { + if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_UP && mb->is_pressed()) { // only horizontal is enabled, scroll horizontally if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->get_shift())) { h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() / 8 * mb->get_factor()); @@ -103,7 +105,7 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) { } } - if (mb->get_button_index() == BUTTON_WHEEL_DOWN && mb->is_pressed()) { + if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_DOWN && mb->is_pressed()) { // only horizontal is enabled, scroll horizontally if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->get_shift())) { h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() / 8 * mb->get_factor()); @@ -112,13 +114,13 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) { } } - if (mb->get_button_index() == BUTTON_WHEEL_LEFT && mb->is_pressed()) { + if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_LEFT && mb->is_pressed()) { if (h_scroll->is_visible_in_tree()) { h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() * mb->get_factor() / 8); } } - if (mb->get_button_index() == BUTTON_WHEEL_RIGHT && mb->is_pressed()) { + if (mb->get_button_index() == MOUSE_BUTTON_WHEEL_RIGHT && mb->is_pressed()) { if (h_scroll->is_visible_in_tree()) { h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * mb->get_factor() / 8); } @@ -132,7 +134,7 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) { return; } - if (mb->get_button_index() != BUTTON_LEFT) { + if (mb->get_button_index() != MOUSE_BUTTON_LEFT) { return; } @@ -213,21 +215,27 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) { } void ScrollContainer::_update_scrollbar_position() { + if (!_updating_scrollbars) { + return; + } + Size2 hmin = h_scroll->get_combined_minimum_size(); Size2 vmin = v_scroll->get_combined_minimum_size(); - h_scroll->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 0); - h_scroll->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0); - h_scroll->set_anchor_and_margin(MARGIN_TOP, ANCHOR_END, -hmin.height); - h_scroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0); + h_scroll->set_anchor_and_offset(SIDE_LEFT, ANCHOR_BEGIN, 0); + h_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, 0); + h_scroll->set_anchor_and_offset(SIDE_TOP, ANCHOR_END, -hmin.height); + h_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, 0); - v_scroll->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_END, -vmin.width); - v_scroll->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0); - v_scroll->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 0); - v_scroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0); + v_scroll->set_anchor_and_offset(SIDE_LEFT, ANCHOR_END, -vmin.width); + v_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, 0); + v_scroll->set_anchor_and_offset(SIDE_TOP, ANCHOR_BEGIN, 0); + v_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, 0); h_scroll->raise(); v_scroll->raise(); + + _updating_scrollbars = false; } void ScrollContainer::_ensure_focused_visible(Control *p_control) { @@ -238,85 +246,100 @@ void ScrollContainer::_ensure_focused_visible(Control *p_control) { if (is_a_parent_of(p_control)) { Rect2 global_rect = get_global_rect(); Rect2 other_rect = p_control->get_global_rect(); - float right_margin = 0; + float right_margin = 0.0; if (v_scroll->is_visible()) { right_margin += v_scroll->get_size().x; } - float bottom_margin = 0; + float bottom_margin = 0.0; if (h_scroll->is_visible()) { bottom_margin += h_scroll->get_size().y; } float diff = MAX(MIN(other_rect.position.y, global_rect.position.y), other_rect.position.y + other_rect.size.y - global_rect.size.y + bottom_margin); set_v_scroll(get_v_scroll() + (diff - global_rect.position.y)); - diff = MAX(MIN(other_rect.position.x, global_rect.position.x), other_rect.position.x + other_rect.size.x - global_rect.size.x + right_margin); + if (is_layout_rtl()) { + diff = MAX(MIN(other_rect.position.x, global_rect.position.x), other_rect.position.x + other_rect.size.x - global_rect.size.x); + } else { + diff = MAX(MIN(other_rect.position.x, global_rect.position.x), other_rect.position.x + other_rect.size.x - global_rect.size.x + right_margin); + } set_h_scroll(get_h_scroll() + (diff - global_rect.position.x)); } } -void ScrollContainer::_notification(int p_what) { - if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) { - call_deferred("_update_scrollbar_position"); - }; +void ScrollContainer::_update_dimensions() { + child_max_size = Size2(0, 0); + Size2 size = get_size(); + Point2 ofs; - if (p_what == NOTIFICATION_READY) { - get_viewport()->connect("gui_focus_changed", callable_mp(this, &ScrollContainer::_ensure_focused_visible)); - } + Ref<StyleBox> sb = get_theme_stylebox("bg"); + size -= sb->get_minimum_size(); + ofs += sb->get_offset(); + bool rtl = is_layout_rtl(); - if (p_what == NOTIFICATION_SORT_CHILDREN) { - child_max_size = Size2(0, 0); - Size2 size = get_size(); - Point2 ofs; + if (h_scroll->is_visible_in_tree() && h_scroll->get_parent() == this) { //scrolls may have been moved out for reasons + size.y -= h_scroll->get_minimum_size().y; + } - Ref<StyleBox> sb = get_theme_stylebox("bg"); - size -= sb->get_minimum_size(); - ofs += sb->get_offset(); + if (v_scroll->is_visible_in_tree() && v_scroll->get_parent() == this) { //scrolls may have been moved out for reasons + size.x -= v_scroll->get_minimum_size().x; + } - if (h_scroll->is_visible_in_tree() && h_scroll->get_parent() == this) { //scrolls may have been moved out for reasons - size.y -= h_scroll->get_minimum_size().y; + for (int i = 0; i < get_child_count(); i++) { + Control *c = Object::cast_to<Control>(get_child(i)); + if (!c) { + continue; } - - if (v_scroll->is_visible_in_tree() && v_scroll->get_parent() == this) { //scrolls may have been moved out for reasons - size.x -= v_scroll->get_minimum_size().x; + if (c->is_set_as_top_level()) { + continue; } - - for (int i = 0; i < get_child_count(); i++) { - Control *c = Object::cast_to<Control>(get_child(i)); - if (!c) { - continue; - } - if (c->is_set_as_toplevel()) { - continue; - } - if (c == h_scroll || c == v_scroll) { - continue; - } - Size2 minsize = c->get_combined_minimum_size(); - child_max_size.x = MAX(child_max_size.x, minsize.x); - child_max_size.y = MAX(child_max_size.y, minsize.y); - - Rect2 r = Rect2(-scroll, minsize); - if (!scroll_h || (!h_scroll->is_visible_in_tree() && c->get_h_size_flags() & SIZE_EXPAND)) { - r.position.x = 0; - if (c->get_h_size_flags() & SIZE_EXPAND) { - r.size.width = MAX(size.width, minsize.width); - } else { - r.size.width = minsize.width; - } + if (c == h_scroll || c == v_scroll) { + continue; + } + Size2 minsize = c->get_combined_minimum_size(); + child_max_size.x = MAX(child_max_size.x, minsize.x); + child_max_size.y = MAX(child_max_size.y, minsize.y); + + Rect2 r = Rect2(-Size2(get_h_scroll(), get_v_scroll()), minsize); + if (!scroll_h || (!h_scroll->is_visible_in_tree() && c->get_h_size_flags() & SIZE_EXPAND)) { + r.position.x = 0; + if (c->get_h_size_flags() & SIZE_EXPAND) { + r.size.width = MAX(size.width, minsize.width); + } else { + r.size.width = minsize.width; } - if (!scroll_v || (!v_scroll->is_visible_in_tree() && c->get_v_size_flags() & SIZE_EXPAND)) { - r.position.y = 0; - if (c->get_v_size_flags() & SIZE_EXPAND) { - r.size.height = MAX(size.height, minsize.height); - } else { - r.size.height = minsize.height; - } + } + if (!scroll_v || (!v_scroll->is_visible_in_tree() && c->get_v_size_flags() & SIZE_EXPAND)) { + r.position.y = 0; + if (c->get_v_size_flags() & SIZE_EXPAND) { + r.size.height = MAX(size.height, minsize.height); + } else { + r.size.height = minsize.height; } - r.position += ofs; - fit_child_in_rect(c, r); } + r.position += ofs; + if (rtl && v_scroll->is_visible_in_tree() && v_scroll->get_parent() == this) { + r.position.x += v_scroll->get_minimum_size().x; + } + r.position = r.position.floor(); + fit_child_in_rect(c, r); + } - update(); + update(); +} + +void ScrollContainer::_notification(int p_what) { + if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED || p_what == NOTIFICATION_LAYOUT_DIRECTION_CHANGED || p_what == NOTIFICATION_TRANSLATION_CHANGED) { + _updating_scrollbars = true; + call_deferred("_update_scrollbar_position"); + }; + + if (p_what == NOTIFICATION_READY) { + get_viewport()->connect("gui_focus_changed", callable_mp(this, &ScrollContainer::_ensure_focused_visible)); + _update_dimensions(); + } + + if (p_what == NOTIFICATION_SORT_CHILDREN) { + _update_dimensions(); }; if (p_what == NOTIFICATION_DRAW) { @@ -411,52 +434,45 @@ void ScrollContainer::update_scrollbars() { Size2 min = child_max_size; - bool hide_scroll_v = !scroll_v || min.height <= size.height; - bool hide_scroll_h = !scroll_h || min.width <= size.width; - - if (hide_scroll_v) { - v_scroll->hide(); - scroll.y = 0; - } else { - v_scroll->show(); - v_scroll->set_max(min.height); - if (hide_scroll_h) { - v_scroll->set_page(size.height); - } else { - v_scroll->set_page(size.height - hmin.height); - } + bool hide_scroll_h = !scroll_h || min.width <= size.width || !h_scroll_visible; + bool hide_scroll_v = !scroll_v || min.height <= size.height || !v_scroll_visible; - scroll.y = v_scroll->get_value(); - } + h_scroll->set_max(min.width); + h_scroll->set_page(size.width - (hide_scroll_v ? 0 : vmin.width)); + h_scroll->set_visible(!hide_scroll_h); - if (hide_scroll_h) { - h_scroll->hide(); - scroll.x = 0; - } else { - h_scroll->show(); - h_scroll->set_max(min.width); - if (hide_scroll_v) { - h_scroll->set_page(size.width); - } else { - h_scroll->set_page(size.width - vmin.width); - } - - scroll.x = h_scroll->get_value(); - } + v_scroll->set_max(min.height); + v_scroll->set_page(size.height - (hide_scroll_h ? 0 : hmin.height)); + v_scroll->set_visible(!hide_scroll_v); // Avoid scrollbar overlapping. - h_scroll->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, hide_scroll_v ? 0 : -vmin.width); - v_scroll->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, hide_scroll_h ? 0 : -hmin.height); + h_scroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, hide_scroll_v ? 0 : -vmin.width); + v_scroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, hide_scroll_h ? 0 : -hmin.height); } void ScrollContainer::_scroll_moved(float) { - scroll.x = h_scroll->get_value(); - scroll.y = v_scroll->get_value(); queue_sort(); - update(); }; +void ScrollContainer::set_h_scroll(int p_pos) { + h_scroll->set_value(p_pos); + _cancel_drag(); +} + +int ScrollContainer::get_h_scroll() const { + return h_scroll->get_value(); +} + +void ScrollContainer::set_v_scroll(int p_pos) { + v_scroll->set_value(p_pos); + _cancel_drag(); +} + +int ScrollContainer::get_v_scroll() const { + return v_scroll->get_value(); +} + void ScrollContainer::set_enable_h_scroll(bool p_enable) { if (scroll_h == p_enable) { return; @@ -485,22 +501,30 @@ bool ScrollContainer::is_v_scroll_enabled() const { return scroll_v; } -int ScrollContainer::get_v_scroll() const { - return v_scroll->get_value(); +void ScrollContainer::set_h_scroll_visible(bool p_visible) { + if (h_scroll_visible == p_visible) { + return; + } + + h_scroll_visible = p_visible; + update_scrollbars(); } -void ScrollContainer::set_v_scroll(int p_pos) { - v_scroll->set_value(p_pos); - _cancel_drag(); +bool ScrollContainer::is_h_scroll_visible() const { + return h_scroll_visible; } -int ScrollContainer::get_h_scroll() const { - return h_scroll->get_value(); +void ScrollContainer::set_v_scroll_visible(bool p_visible) { + if (v_scroll_visible == p_visible) { + return; + } + + v_scroll_visible = p_visible; + update_scrollbars(); } -void ScrollContainer::set_h_scroll(int p_pos) { - h_scroll->set_value(p_pos); - _cancel_drag(); +bool ScrollContainer::is_v_scroll_visible() const { + return v_scroll_visible; } int ScrollContainer::get_deadzone() const { @@ -519,7 +543,9 @@ void ScrollContainer::set_follow_focus(bool p_follow) { follow_focus = p_follow; } -String ScrollContainer::get_configuration_warning() const { +TypedArray<String> ScrollContainer::get_configuration_warnings() const { + TypedArray<String> warnings = Container::get_configuration_warnings(); + int found = 0; for (int i = 0; i < get_child_count(); i++) { @@ -527,7 +553,7 @@ String ScrollContainer::get_configuration_warning() const { if (!c) { continue; } - if (c->is_set_as_toplevel()) { + if (c->is_set_as_top_level()) { continue; } if (c == h_scroll || c == v_scroll) { @@ -538,10 +564,10 @@ String ScrollContainer::get_configuration_warning() const { } if (found != 1) { - return TTR("ScrollContainer is intended to work with a single child control.\nUse a container as child (VBox, HBox, etc.), or a Control and set the custom minimum size manually."); - } else { - return ""; + warnings.push_back(TTR("ScrollContainer is intended to work with a single child control.\nUse a container as child (VBox, HBox, etc.), or a Control and set the custom minimum size manually.")); } + + return warnings; } HScrollBar *ScrollContainer::get_h_scrollbar() { @@ -554,17 +580,29 @@ VScrollBar *ScrollContainer::get_v_scrollbar() { void ScrollContainer::_bind_methods() { ClassDB::bind_method(D_METHOD("_gui_input"), &ScrollContainer::_gui_input); - ClassDB::bind_method(D_METHOD("set_enable_h_scroll", "enable"), &ScrollContainer::set_enable_h_scroll); - ClassDB::bind_method(D_METHOD("is_h_scroll_enabled"), &ScrollContainer::is_h_scroll_enabled); - ClassDB::bind_method(D_METHOD("set_enable_v_scroll", "enable"), &ScrollContainer::set_enable_v_scroll); - ClassDB::bind_method(D_METHOD("is_v_scroll_enabled"), &ScrollContainer::is_v_scroll_enabled); ClassDB::bind_method(D_METHOD("_update_scrollbar_position"), &ScrollContainer::_update_scrollbar_position); + ClassDB::bind_method(D_METHOD("set_h_scroll", "value"), &ScrollContainer::set_h_scroll); ClassDB::bind_method(D_METHOD("get_h_scroll"), &ScrollContainer::get_h_scroll); + ClassDB::bind_method(D_METHOD("set_v_scroll", "value"), &ScrollContainer::set_v_scroll); ClassDB::bind_method(D_METHOD("get_v_scroll"), &ScrollContainer::get_v_scroll); + + ClassDB::bind_method(D_METHOD("set_enable_h_scroll", "enable"), &ScrollContainer::set_enable_h_scroll); + ClassDB::bind_method(D_METHOD("is_h_scroll_enabled"), &ScrollContainer::is_h_scroll_enabled); + + ClassDB::bind_method(D_METHOD("set_enable_v_scroll", "enable"), &ScrollContainer::set_enable_v_scroll); + ClassDB::bind_method(D_METHOD("is_v_scroll_enabled"), &ScrollContainer::is_v_scroll_enabled); + + ClassDB::bind_method(D_METHOD("set_h_scroll_visible", "visible"), &ScrollContainer::set_h_scroll_visible); + ClassDB::bind_method(D_METHOD("is_h_scroll_visible"), &ScrollContainer::is_h_scroll_visible); + + ClassDB::bind_method(D_METHOD("set_v_scroll_visible", "visible"), &ScrollContainer::set_v_scroll_visible); + ClassDB::bind_method(D_METHOD("is_v_scroll_visible"), &ScrollContainer::is_v_scroll_visible); + ClassDB::bind_method(D_METHOD("set_deadzone", "deadzone"), &ScrollContainer::set_deadzone); ClassDB::bind_method(D_METHOD("get_deadzone"), &ScrollContainer::get_deadzone); + ClassDB::bind_method(D_METHOD("set_follow_focus", "enabled"), &ScrollContainer::set_follow_focus); ClassDB::bind_method(D_METHOD("is_following_focus"), &ScrollContainer::is_following_focus); @@ -577,10 +615,12 @@ void ScrollContainer::_bind_methods() { ADD_PROPERTY(PropertyInfo(Variant::BOOL, "follow_focus"), "set_follow_focus", "is_following_focus"); ADD_GROUP("Scroll", "scroll_"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_horizontal_enabled"), "set_enable_h_scroll", "is_h_scroll_enabled"); ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_horizontal"), "set_h_scroll", "get_h_scroll"); - ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_vertical_enabled"), "set_enable_v_scroll", "is_v_scroll_enabled"); ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_vertical"), "set_v_scroll", "get_v_scroll"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_horizontal_enabled"), "set_enable_h_scroll", "is_h_scroll_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_vertical_enabled"), "set_enable_v_scroll", "is_v_scroll_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_horizontal_visible"), "set_h_scroll_visible", "is_h_scroll_visible"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_vertical_visible"), "set_v_scroll_visible", "is_v_scroll_visible"); ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_deadzone"), "set_deadzone", "get_deadzone"); GLOBAL_DEF("gui/common/default_scroll_deadzone", 0); @@ -597,15 +637,7 @@ ScrollContainer::ScrollContainer() { add_child(v_scroll); v_scroll->connect("value_changed", callable_mp(this, &ScrollContainer::_scroll_moved)); - drag_speed = Vector2(); - drag_touching = false; - drag_touching_deaccel = false; - beyond_deadzone = false; - scroll_h = true; - scroll_v = true; - deadzone = GLOBAL_GET("gui/common/default_scroll_deadzone"); - follow_focus = false; set_clip_contents(true); }; |