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Merge pull request #103478 from KoBeWi/hover_witch

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Add switch on hover to TabBar
This commit is contained in:
Thaddeus Crews
2025-10-21 19:09:29 -05:00
parent ec62f12862 682b0f7c54
commit 81910428e6
12 changed files with 110 additions and 8 deletions
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63
scene/gui/tab_bar.cpp
View File

@@ -33,6 +33,7 @@
#include "scene/gui/box_container.h"
#include "scene/gui/label.h"
#include "scene/gui/texture_rect.h"
#include "scene/main/timer.h"
#include "scene/main/viewport.h"
#include "scene/theme/theme_db.h"
@@ -501,6 +502,13 @@ void TabBar::_notification(int p_what) {
dragging_valid_tab = false;
queue_redraw();
}
[[fallthrough]];
}
case NOTIFICATION_MOUSE_EXIT: {
if (!hover_switch_delay->is_stopped()) {
hover_switch_delay->stop();
}
} break;
case NOTIFICATION_DRAW: {
@@ -1285,6 +1293,10 @@ void TabBar::_update_cache(bool p_update_hover) {
}
}
void TabBar::_hover_switch_timeout() {
set_current_tab(hover);
}
void TabBar::_on_mouse_exited() {
rb_hover = -1;
cb_hover = -1;
@@ -1424,6 +1436,10 @@ Variant TabBar::get_drag_data(const Point2 &p_point) {
}
bool TabBar::can_drop_data(const Point2 &p_point, const Variant &p_data) const {
if (switch_on_drag_hover) {
_handle_switch_on_hover(p_data);
}
bool drop_override = Control::can_drop_data(p_point, p_data);
if (drop_override) {
return drop_override;
@@ -1470,7 +1486,8 @@ Variant TabBar::_handle_get_drag_data(const String &p_type, const Point2 &p_poin
set_drag_preview(drag_preview);
Dictionary drag_data;
drag_data["type"] = p_type;
drag_data["type"] = "tab";
drag_data["tab_type"] = p_type;
drag_data["tab_index"] = tab_over;
drag_data["from_path"] = get_path();
@@ -1479,11 +1496,12 @@ Variant TabBar::_handle_get_drag_data(const String &p_type, const Point2 &p_poin
bool TabBar::_handle_can_drop_data(const String &p_type, const Point2 &p_point, const Variant &p_data) const {
Dictionary d = p_data;
if (!d.has("type")) {
if (d.get("type", "").operator String() != "tab") {
return false;
}
if (String(d["type"]) == p_type) {
const String tab_type = d.get("tab_type", "");
if (tab_type == p_type) {
NodePath from_path = d["from_path"];
NodePath to_path = get_path();
if (from_path == to_path) {
@@ -1497,17 +1515,17 @@ bool TabBar::_handle_can_drop_data(const String &p_type, const Point2 &p_point,
}
}
}
return false;
}
void TabBar::_handle_drop_data(const String &p_type, const Point2 &p_point, const Variant &p_data, const Callable &p_move_tab_callback, const Callable &p_move_tab_from_other_callback) {
Dictionary d = p_data;
if (!d.has("type")) {
if (d.get("type", "").operator String() != "tab") {
return;
}
if (String(d["type"]) == p_type) {
const String tab_type = d.get("tab_type", "");
if (tab_type == p_type) {
int tab_from_id = d["tab_index"];
int hover_now = (p_point == Vector2(Math::INF, Math::INF)) ? current : get_closest_tab_idx_to_point(p_point);
NodePath from_path = d["from_path"];
@@ -1565,6 +1583,22 @@ void TabBar::_handle_drop_data(const String &p_type, const Point2 &p_point, cons
}
}
void TabBar::_handle_switch_on_hover(const Variant &p_data) const {
Dictionary d = p_data;
if (d.get("type", "").operator String() == "tab") {
// Dragging a tab shouldn't switch on hover.
return;
}
if (hover > -1 && hover != current) {
if (hover_switch_delay->is_stopped()) {
const_cast<TabBar *>(this)->hover_switch_delay->start(theme_cache.hover_switch_wait_msec * 0.001);
}
} else if (!hover_switch_delay->is_stopped()) {
hover_switch_delay->stop();
}
}
void TabBar::_move_tab_from(TabBar *p_from_tabbar, int p_from_index, int p_to_index) {
Tab moving_tab = p_from_tabbar->tabs[p_from_index];
moving_tab.accessibility_item_element = RID();
@@ -1983,6 +2017,14 @@ bool TabBar::get_scroll_to_selected() const {
return scroll_to_selected;
}
void TabBar::set_switch_on_drag_hover(bool p_enabled) {
switch_on_drag_hover = p_enabled;
}
bool TabBar::get_switch_on_drag_hover() const {
return switch_on_drag_hover;
}
void TabBar::set_select_with_rmb(bool p_enabled) {
select_with_rmb = p_enabled;
}
@@ -2055,6 +2097,8 @@ void TabBar::_bind_methods() {
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);
ClassDB::bind_method(D_METHOD("get_drag_to_rearrange_enabled"), &TabBar::get_drag_to_rearrange_enabled);
ClassDB::bind_method(D_METHOD("set_switch_on_drag_hover", "enabled"), &TabBar::set_switch_on_drag_hover);
ClassDB::bind_method(D_METHOD("get_switch_on_drag_hover"), &TabBar::get_switch_on_drag_hover);
ClassDB::bind_method(D_METHOD("set_tabs_rearrange_group", "group_id"), &TabBar::set_tabs_rearrange_group);
ClassDB::bind_method(D_METHOD("get_tabs_rearrange_group"), &TabBar::get_tabs_rearrange_group);
ClassDB::bind_method(D_METHOD("set_scroll_to_selected", "enabled"), &TabBar::set_scroll_to_selected);
@@ -2082,6 +2126,7 @@ void TabBar::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_tab_width", PROPERTY_HINT_RANGE, "0,99999,1,suffix:px"), "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::BOOL, "switch_on_drag_hover"), "set_switch_on_drag_hover", "get_switch_on_drag_hover");
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");
@@ -2102,6 +2147,7 @@ void TabBar::_bind_methods() {
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabBar, h_separation);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabBar, tab_separation);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabBar, icon_max_width);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabBar, hover_switch_wait_msec);
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabBar, tab_unselected_style, "tab_unselected");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabBar, tab_hovered_style, "tab_hovered");
@@ -2152,5 +2198,10 @@ TabBar::TabBar() {
set_focus_mode(FOCUS_ALL);
connect(SceneStringName(mouse_exited), callable_mp(this, &TabBar::_on_mouse_exited));
hover_switch_delay = memnew(Timer);
hover_switch_delay->connect("timeout", callable_mp(this, &TabBar::_hover_switch_timeout));
hover_switch_delay->set_one_shot(true);
add_child(hover_switch_delay, false, INTERNAL_MODE_FRONT);
property_helper.setup_for_instance(base_property_helper, this);
}

11
scene/gui/tab_bar.h
View File

@@ -34,6 +34,8 @@
#include "scene/property_list_helper.h"
#include "scene/resources/text_line.h"
class Timer;
class TabBar : public Control {
GDCLASS(TabBar, Control);
@@ -130,6 +132,7 @@ private:
bool dragging_valid_tab = false;
bool scroll_to_selected = true;
int tabs_rearrange_group = -1;
bool switch_on_drag_hover = true;
static const int CURRENT_TAB_UNINITIALIZED = -2;
bool initialized = false;
@@ -143,6 +146,7 @@ private:
int h_separation = 0;
int tab_separation = 0;
int icon_max_width = 0;
int hover_switch_wait_msec = 500;
Ref<StyleBox> tab_unselected_style;
Ref<StyleBox> tab_hovered_style;
@@ -177,6 +181,8 @@ private:
Ref<StyleBox> button_hl_style;
} theme_cache;
Timer *hover_switch_delay = nullptr;
int get_tab_width(int p_idx) const;
Size2 _get_tab_icon_size(int p_idx) const;
void _ensure_no_over_offset();
@@ -184,6 +190,7 @@ private:
void _update_hover();
void _update_cache(bool p_update_hover = true);
void _hover_switch_timeout();
void _on_mouse_exited();
@@ -218,6 +225,7 @@ public:
bool _handle_can_drop_data(const String &p_type, const Point2 &p_point, const Variant &p_data) const;
void _handle_drop_data(const String &p_type, const Point2 &p_point, const Variant &p_data, const Callable &p_move_tab_callback, const Callable &p_move_tab_from_other_callback);
void _draw_tab_drop(RID p_canvas_item);
void _handle_switch_on_hover(const Variant &p_data) const;
void add_tab(const String &p_str = "", const Ref<Texture2D> &p_icon = Ref<Texture2D>());
@@ -307,6 +315,9 @@ public:
void set_scroll_to_selected(bool p_enabled);
bool get_scroll_to_selected() const;
void set_switch_on_drag_hover(bool p_enabled);
bool get_switch_on_drag_hover() const;
void set_select_with_rmb(bool p_enabled);
bool get_select_with_rmb() const;

11
scene/gui/tab_container.cpp
View File

@@ -1025,6 +1025,14 @@ Popup *TabContainer::get_popup() const {
return nullptr;
}
void TabContainer::set_switch_on_drag_hover(bool p_enabled) {
tab_bar->set_switch_on_drag_hover(p_enabled);
}
bool TabContainer::get_switch_on_drag_hover() const {
return tab_bar->get_switch_on_drag_hover();
}
void TabContainer::set_drag_to_rearrange_enabled(bool p_enabled) {
drag_to_rearrange_enabled = p_enabled;
}
@@ -1102,6 +1110,8 @@ void TabContainer::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_tab_idx_from_control", "control"), &TabContainer::get_tab_idx_from_control);
ClassDB::bind_method(D_METHOD("set_popup", "popup"), &TabContainer::set_popup);
ClassDB::bind_method(D_METHOD("get_popup"), &TabContainer::get_popup);
ClassDB::bind_method(D_METHOD("set_switch_on_drag_hover", "enabled"), &TabContainer::set_switch_on_drag_hover);
ClassDB::bind_method(D_METHOD("get_switch_on_drag_hover"), &TabContainer::get_switch_on_drag_hover);
ClassDB::bind_method(D_METHOD("set_drag_to_rearrange_enabled", "enabled"), &TabContainer::set_drag_to_rearrange_enabled);
ClassDB::bind_method(D_METHOD("get_drag_to_rearrange_enabled"), &TabContainer::get_drag_to_rearrange_enabled);
ClassDB::bind_method(D_METHOD("set_tabs_rearrange_group", "group_id"), &TabContainer::set_tabs_rearrange_group);
@@ -1127,6 +1137,7 @@ void TabContainer::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_tabs"), "set_clip_tabs", "get_clip_tabs");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "tabs_visible"), "set_tabs_visible", "are_tabs_visible");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "all_tabs_in_front"), "set_all_tabs_in_front", "is_all_tabs_in_front");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "switch_on_drag_hover"), "set_switch_on_drag_hover", "get_switch_on_drag_hover");
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, "use_hidden_tabs_for_min_size"), "set_use_hidden_tabs_for_min_size", "get_use_hidden_tabs_for_min_size");

2
scene/gui/tab_container.h
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@@ -207,6 +207,8 @@ public:
void move_tab_from_tab_container(TabContainer *p_from, int p_from_index, int p_to_index = -1);
void set_switch_on_drag_hover(bool p_enabled);
bool get_switch_on_drag_hover() const;
void set_drag_to_rearrange_enabled(bool p_enabled);
bool get_drag_to_rearrange_enabled() const;
void set_tabs_rearrange_group(int p_group_id);

1
scene/theme/default_theme.cpp
View File

@@ -1040,6 +1040,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
theme->set_constant("h_separation", "TabBar", Math::round(4 * scale));
theme->set_constant("icon_max_width", "TabBar", 0);
theme->set_constant("outline_size", "TabBar", 0);
theme->set_constant("hover_switch_wait_msec", "TabBar", 500);
// Separators