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Update Tab hover status when adding or removing tabs, issue 22890

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This commit is contained in:
Paulb23 2018-10-21 14:57:55 +01:00
parent fe0db6c479
commit 5c04535e10
2 changed files with 49 additions and 34 deletions
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81
scene/gui/tabs.cpp
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@ -106,41 +106,8 @@ void Tabs::_gui_input(const Ref<InputEvent> &p_event) {
}
}
// test hovering to display right or close button
int hover_now = -1;
int hover_buttons = -1;
for (int i = 0; i < tabs.size(); i++) {
if (i < offset)
continue;
Rect2 rect = get_tab_rect(i);
if (rect.has_point(pos)) {
hover_now = i;
}
if (tabs[i].rb_rect.has_point(pos)) {
rb_hover = i;
cb_hover = -1;
hover_buttons = i;
break;
} else if (!tabs[i].disabled && tabs[i].cb_rect.has_point(pos)) {
cb_hover = i;
rb_hover = -1;
hover_buttons = i;
break;
}
}
if (hover != hover_now) {
hover = hover_now;
emit_signal("tab_hover", hover);
}
if (hover_buttons == -1) { // no hover
rb_hover = hover_buttons;
cb_hover = hover_buttons;
}
_update_hover();
update();
return;
}
@ -522,6 +489,48 @@ Ref<Texture> Tabs::get_tab_right_button(int p_tab) const {
return tabs[p_tab].right_button;
}
void Tabs::_update_hover() {
if (!is_inside_tree()) {
return;
}
const Point2 &pos = get_local_mouse_position();
// test hovering to display right or close button
int hover_now = -1;
int hover_buttons = -1;
for (int i = 0; i < tabs.size(); i++) {
if (i < offset)
continue;
Rect2 rect = get_tab_rect(i);
if (rect.has_point(pos)) {
hover_now = i;
}
if (tabs[i].rb_rect.has_point(pos)) {
rb_hover = i;
cb_hover = -1;
hover_buttons = i;
break;
} else if (!tabs[i].disabled && tabs[i].cb_rect.has_point(pos)) {
cb_hover = i;
rb_hover = -1;
hover_buttons = i;
break;
}
}
if (hover != hover_now) {
hover = hover_now;
emit_signal("tab_hover", hover);
}
if (hover_buttons == -1) { // no hover
rb_hover = hover_buttons;
cb_hover = hover_buttons;
}
}
void Tabs::_update_cache() {
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
@ -597,6 +606,7 @@ void Tabs::add_tab(const String &p_str, const Ref<Texture> &p_icon) {
tabs.push_back(t);
_update_cache();
call_deferred("_update_hover");
update();
minimum_size_changed();
}
@ -604,6 +614,7 @@ void Tabs::add_tab(const String &p_str, const Ref<Texture> &p_icon) {
void Tabs::clear_tabs() {
tabs.clear();
current = 0;
call_deferred("_update_hover");
update();
}
@ -614,6 +625,7 @@ void Tabs::remove_tab(int p_idx) {
if (current >= p_idx)
current--;
_update_cache();
call_deferred("_update_hover");
update();
minimum_size_changed();
@ -931,6 +943,7 @@ bool Tabs::get_select_with_rmb() const {
void Tabs::_bind_methods() {
ClassDB::bind_method(D_METHOD("_gui_input"), &Tabs::_gui_input);
ClassDB::bind_method(D_METHOD("_update_hover"), &Tabs::_update_hover);
ClassDB::bind_method(D_METHOD("get_tab_count"), &Tabs::get_tab_count);
ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &Tabs::set_current_tab);
ClassDB::bind_method(D_METHOD("get_current_tab"), &Tabs::get_current_tab);

2
scene/gui/tabs.h
View file

@ -97,6 +97,8 @@ private:
int get_tab_width(int p_idx) const;
void _ensure_no_over_offset();
void _update_hover();
void _update_cache();
protected: