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-rw-r--r--scene/gui/tabs.cpp162
-rw-r--r--scene/gui/tabs.h7
2 files changed, 128 insertions, 41 deletions
diff --git a/scene/gui/tabs.cpp b/scene/gui/tabs.cpp
index cdb7965444..600493b439 100644
--- a/scene/gui/tabs.cpp
+++ b/scene/gui/tabs.cpp
@@ -103,13 +103,17 @@ 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;
- hover = -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;
@@ -122,6 +126,10 @@ void Tabs::_gui_input(const Ref<InputEvent> &p_event) {
break;
}
}
+ if (hover != hover_now) {
+ hover = hover_now;
+ emit_signal("tab_hover", hover);
+ }
if (hover_buttons == -1) { // no hover
rb_hover = hover_buttons;
@@ -234,11 +242,13 @@ void Tabs::_notification(int p_what) {
update();
} break;
case NOTIFICATION_RESIZED: {
-
+ _update_cache();
_ensure_no_over_offset();
+ ensure_tab_visible(current);
+
} break;
case NOTIFICATION_DRAW: {
-
+ _update_cache();
RID ci = get_canvas_item();
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
@@ -286,18 +296,7 @@ void Tabs::_notification(int p_what) {
tabs[i].ofs_cache = w;
- int lsize = get_tab_width(i);
-
- String text = tabs[i].text;
- int slen = font->get_string_size(text).width;
-
- if (w + lsize > limit) {
- max_drawn_tab = i - 1;
- missing_right = true;
- break;
- } else {
- max_drawn_tab = i;
- }
+ int lsize = tabs[i].size_cache;
Ref<StyleBox> sb;
Color col;
@@ -313,7 +312,15 @@ void Tabs::_notification(int p_what) {
col = color_bg;
}
- Rect2 sb_rect = Rect2(w, 0, lsize, h);
+ if (w + lsize > limit) {
+ max_drawn_tab = i - 1;
+ missing_right = true;
+ break;
+ } else {
+ max_drawn_tab = i;
+ }
+
+ Rect2 sb_rect = Rect2(w, 0, tabs[i].size_cache, h);
sb->draw(ci, sb_rect);
w += sb->get_margin(MARGIN_LEFT);
@@ -323,13 +330,13 @@ void Tabs::_notification(int p_what) {
if (icon.is_valid()) {
icon->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2));
- if (text != "")
+ if (tabs[i].text != "")
w += icon->get_width() + get_constant("hseparation");
}
- font->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - font->get_height()) / 2 + font->get_ascent()), text, col);
+ font->draw(ci, Point2i(w, sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - font->get_height()) / 2 + font->get_ascent()), tabs[i].text, col, tabs[i].size_text);
- w += slen;
+ w += tabs[i].size_text;
if (tabs[i].right_button.is_valid()) {
@@ -380,8 +387,6 @@ void Tabs::_notification(int p_what) {
}
w += sb->get_margin(MARGIN_RIGHT);
-
- tabs[i].size_cache = w - tabs[i].ofs_cache;
}
if (offset > 0 || missing_right) {
@@ -419,6 +424,7 @@ void Tabs::set_current_tab(int p_current) {
current = p_current;
_change_notify("current_tab");
+ _update_cache();
update();
}
@@ -427,6 +433,10 @@ int Tabs::get_current_tab() const {
return current;
}
+int Tabs::get_hovered_tab() const {
+ return hover;
+}
+
void Tabs::set_tab_title(int p_tab, const String &p_title) {
ERR_FAIL_INDEX(p_tab, tabs.size());
@@ -480,15 +490,81 @@ Ref<Texture> Tabs::get_tab_right_button(int p_tab) const {
return tabs[p_tab].right_button;
}
+void Tabs::_update_cache() {
+ Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
+ Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
+ Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
+ Ref<Font> font = get_font("font");
+ Ref<Texture> incr = get_icon("increment");
+ Ref<Texture> decr = get_icon("decrement");
+ int limit = get_size().width - incr->get_width() - decr->get_width();
+
+ int w = 0;
+ int mw = 0;
+ int size_fixed = 0;
+ int count_resize = 0;
+ for (int i = 0; i < tabs.size(); i++) {
+ tabs[i].ofs_cache = mw;
+ tabs[i].size_cache = get_tab_width(i);
+ tabs[i].size_text = font->get_string_size(tabs[i].text).width;
+ mw += tabs[i].size_cache;
+ if (tabs[i].size_cache <= min_width || i == current) {
+ size_fixed += tabs[i].size_cache;
+ } else {
+ count_resize++;
+ }
+ }
+ int m_width = min_width;
+ if (count_resize > 0) {
+ m_width = MAX((limit - size_fixed) / count_resize, min_width);
+ }
+ for (int i = 0; i < tabs.size(); i++) {
+ if (i < offset)
+ continue;
+ Ref<StyleBox> sb;
+ if (tabs[i].disabled) {
+ sb = tab_disabled;
+ } else if (i == current) {
+ sb = tab_fg;
+ } else {
+ sb = tab_bg;
+ }
+ int lsize = tabs[i].size_cache;
+ int slen = tabs[i].size_text;
+ if (min_width > 0 && mw > limit && i != current) {
+ if (lsize > m_width) {
+ slen = m_width - (sb->get_margin(MARGIN_LEFT) + sb->get_margin(MARGIN_RIGHT));
+ if (tabs[i].icon.is_valid()) {
+ slen -= tabs[i].icon->get_width();
+ slen -= get_constant("hseparation");
+ }
+ if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
+ Ref<Texture> cb = get_icon("close");
+ slen -= cb->get_width();
+ slen -= get_constant("hseparation");
+ }
+ slen = MAX(slen, 1);
+ lsize = m_width;
+ }
+ }
+ tabs[i].ofs_cache = w;
+ tabs[i].size_cache = lsize;
+ tabs[i].size_text = slen;
+ w += lsize;
+ }
+}
+
void Tabs::add_tab(const String &p_str, const Ref<Texture> &p_icon) {
Tab t;
t.text = p_str;
t.icon = p_icon;
t.disabled = false;
+ t.ofs_cache = 0;
+ t.size_cache = 0;
tabs.push_back(t);
-
+ _update_cache();
update();
minimum_size_changed();
}
@@ -505,6 +581,7 @@ void Tabs::remove_tab(int p_idx) {
tabs.remove(p_idx);
if (current >= p_idx)
current--;
+ _update_cache();
update();
minimum_size_changed();
@@ -587,7 +664,7 @@ void Tabs::_ensure_no_over_offset() {
if (i < offset - 1)
continue;
- total_w += get_tab_width(i);
+ total_w += tabs[i].size_cache;
}
if (total_w < limit) {
@@ -604,37 +681,35 @@ void Tabs::ensure_tab_visible(int p_idx) {
if (!is_inside_tree())
return;
+ if (tabs.size() == 0) return;
ERR_FAIL_INDEX(p_idx, tabs.size());
- _ensure_no_over_offset();
-
- if (p_idx <= offset) {
+ if (p_idx == offset) {
+ return;
+ }
+ if (p_idx < offset) {
offset = p_idx;
update();
return;
}
+ int prev_offset = offset;
Ref<Texture> incr = get_icon("increment");
Ref<Texture> decr = get_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
-
- int x = 0;
- for (int i = 0; i < tabs.size(); i++) {
-
- if (i < offset)
- continue;
-
- int sz = get_tab_width(i);
- tabs[i].x_cache = x;
- tabs[i].x_size_cache = sz;
- x += sz;
+ for (int i = offset; i <= p_idx; i++) {
+ if (tabs[i].ofs_cache + tabs[i].size_cache > limit) {
+ offset++;
+ }
}
- while (offset < tabs.size() && ((tabs[p_idx].x_cache + tabs[p_idx].x_size_cache) - tabs[offset].x_cache) > limit) {
- offset++;
+ if (prev_offset != offset) {
+ update();
}
+}
- update();
+Rect2 Tabs::get_tab_rect(int p_tab) {
+ return Rect2(tabs[p_tab].ofs_cache, 0, tabs[p_tab].size_cache, get_size().height);
}
void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
@@ -642,6 +717,10 @@ void Tabs::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
update();
}
+void Tabs::set_min_width(int p_width) {
+ min_width = p_width;
+}
+
void Tabs::_bind_methods() {
ClassDB::bind_method(D_METHOD("_gui_input"), &Tabs::_gui_input);
@@ -663,6 +742,7 @@ void Tabs::_bind_methods() {
ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("right_button_pressed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_close", PropertyInfo(Variant::INT, "tab")));
+ ADD_SIGNAL(MethodInfo("tab_hover", PropertyInfo(Variant::INT, "tab")));
ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1", PROPERTY_USAGE_EDITOR), "set_current_tab", "get_current_tab");
@@ -688,4 +768,6 @@ Tabs::Tabs() {
cb_displaypolicy = CLOSE_BUTTON_SHOW_NEVER;
offset = 0;
max_drawn_tab = 0;
+
+ min_width = 0;
}
diff --git a/scene/gui/tabs.h b/scene/gui/tabs.h
index 61b97d2dff..65d409c410 100644
--- a/scene/gui/tabs.h
+++ b/scene/gui/tabs.h
@@ -59,6 +59,7 @@ private:
int ofs_cache;
bool disabled;
int size_cache;
+ int size_text;
int x_cache;
int x_size_cache;
@@ -74,7 +75,6 @@ private:
bool missing_right;
Vector<Tab> tabs;
int current;
- Control *_get_tab(int idx) const;
int _get_top_margin() const;
TabAlign tab_align;
int rb_hover;
@@ -85,9 +85,11 @@ private:
CloseButtonDisplayPolicy cb_displaypolicy;
int hover; // hovered tab
+ int min_width;
int get_tab_width(int p_idx) const;
void _ensure_no_over_offset();
+ void _update_cache();
protected:
void _gui_input(const Ref<InputEvent> &p_event);
@@ -117,13 +119,16 @@ public:
int get_tab_count() const;
void set_current_tab(int p_current);
int get_current_tab() const;
+ int get_hovered_tab() const;
void remove_tab(int p_idx);
void clear_tabs();
void ensure_tab_visible(int p_idx);
+ void set_min_width(int p_width);
+ Rect2 get_tab_rect(int p_tab);
Size2 get_minimum_size() const;
Tabs();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 07:53:11 +0000