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Implement Tabs minimum size

This commit is contained in:
Gilles Roudière 2021-03-30 12:20:00 +02:00
parent 655a913e22
commit 898a2a7cf3
3 changed files with 49 additions and 17 deletions
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3
doc/classes/Tabs.xml
View File

@ -254,6 +254,9 @@
</method>
</methods>
<members>
<member name="clip_tabs" type="bool" setter="set_clip_tabs" getter="get_clip_tabs" default="true">
If [code]true[/code], tabs overflowing this node's width will be hidden, displaying two navigation buttons instead. Otherwise, this node's minimum size is updated so that all tabs are visible.
</member>
<member name="current_tab" type="int" setter="set_current_tab" getter="get_current_tab" default="0">
Select tab at index [code]tab_idx[/code].
</member>

59
scene/gui/tabs.cpp
View File

@ -83,7 +83,10 @@ Size2 Tabs::get_minimum_size() const {
}
}
ms.width = 0; //TODO: should make this optional
if (clip_tabs) {
ms.width = 0;
}
return ms;
}
@ -105,10 +108,10 @@ void Tabs::_gui_input(const Ref<InputEvent> &p_event) {
highlight_arrow = 0;
}
} else {
int limit = get_size().width - incr->get_width() - decr->get_width();
if (pos.x > limit + decr->get_width()) {
int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
if (pos.x > limit_minus_buttons + decr->get_width()) {
highlight_arrow = 1;
} else if (pos.x > limit) {
} else if (pos.x > limit_minus_buttons) {
highlight_arrow = 0;
}
}
@ -305,7 +308,8 @@ void Tabs::_notification(int p_what) {
Ref<Texture2D> incr_hl = get_theme_icon("increment_highlight");
Ref<Texture2D> decr_hl = get_theme_icon("decrement_highlight");
int limit = get_size().width - incr->get_size().width - decr->get_size().width;
int limit = get_size().width;
int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
missing_right = false;
@ -328,7 +332,8 @@ void Tabs::_notification(int p_what) {
col = font_unselected_color;
}
if (w + lsize > limit) {
int new_width = w + lsize;
if (new_width > limit || (i < tabs.size() - 1 && new_width > limit_minus_buttons)) { // For the last tab, we accept if the tab covers the buttons.
max_drawn_tab = i - 1;
missing_right = true;
break;
@ -459,15 +464,15 @@ void Tabs::_notification(int p_what) {
}
} else {
if (offset > 0) {
draw_texture(highlight_arrow == 0 ? decr_hl : decr, Point2(limit, vofs));
draw_texture(highlight_arrow == 0 ? decr_hl : decr, Point2(limit_minus_buttons, vofs));
} else {
draw_texture(decr, Point2(limit, vofs), Color(1, 1, 1, 0.5));
draw_texture(decr, Point2(limit_minus_buttons, vofs), Color(1, 1, 1, 0.5));
}
if (missing_right) {
draw_texture(highlight_arrow == 1 ? incr_hl : incr, Point2(limit + decr->get_size().width, vofs));
draw_texture(highlight_arrow == 1 ? incr_hl : incr, Point2(limit_minus_buttons + decr->get_size().width, vofs));
} else {
draw_texture(incr, Point2(limit + decr->get_size().width, vofs), Color(1, 1, 1, 0.5));
draw_texture(incr, Point2(limit_minus_buttons + decr->get_size().width, vofs), Color(1, 1, 1, 0.5));
}
}
@ -666,7 +671,7 @@ void Tabs::_update_cache() {
Ref<StyleBox> tab_selected = get_theme_stylebox("tab_selected");
Ref<Texture2D> incr = get_theme_icon("increment");
Ref<Texture2D> decr = get_theme_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
int w = 0;
int mw = 0;
@ -686,7 +691,7 @@ void Tabs::_update_cache() {
}
int m_width = min_width;
if (count_resize > 0) {
m_width = MAX((limit - size_fixed) / count_resize, min_width);
m_width = MAX((limit_minus_buttons - size_fixed) / count_resize, min_width);
}
for (int i = offset; i < tabs.size(); i++) {
Ref<StyleBox> sb;
@ -699,7 +704,7 @@ void Tabs::_update_cache() {
}
int lsize = tabs[i].size_cache;
int slen = tabs[i].size_text;
if (min_width > 0 && mw > limit && i != current) {
if (min_width > 0 && mw > limit_minus_buttons && i != current) {
if (lsize > m_width) {
slen = m_width - (sb->get_margin(SIDE_LEFT) + sb->get_margin(SIDE_RIGHT));
if (tabs[i].icon.is_valid()) {
@ -909,6 +914,19 @@ Tabs::TabAlign Tabs::get_tab_align() const {
return tab_align;
}
void Tabs::set_clip_tabs(bool p_clip_tabs) {
if (clip_tabs == p_clip_tabs) {
return;
}
clip_tabs = p_clip_tabs;
update();
minimum_size_changed();
}
bool Tabs::get_clip_tabs() const {
return clip_tabs;
}
void Tabs::move_tab(int from, int to) {
if (from == to) {
return;
@ -975,7 +993,8 @@ void Tabs::_ensure_no_over_offset() {
Ref<Texture2D> incr = get_theme_icon("increment");
Ref<Texture2D> decr = get_theme_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
int limit = get_size().width;
int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
while (offset > 0) {
int total_w = 0;
@ -983,7 +1002,7 @@ void Tabs::_ensure_no_over_offset() {
total_w += tabs[i].size_cache;
}
if (total_w < limit) {
if ((buttons_visible && total_w < limit_minus_buttons) || total_w < limit) { // For the last tab, we accept if the tab covers the buttons.
offset--;
update();
} else {
@ -1014,9 +1033,12 @@ void Tabs::ensure_tab_visible(int p_idx) {
int prev_offset = offset;
Ref<Texture2D> incr = get_theme_icon("increment");
Ref<Texture2D> decr = get_theme_icon("decrement");
int limit = get_size().width - incr->get_width() - decr->get_width();
int limit = get_size().width;
int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
for (int i = offset; i <= p_idx; i++) {
if (tabs[i].ofs_cache + tabs[i].size_cache > limit) {
int total_w = tabs[i].ofs_cache + tabs[i].size_cache;
if (total_w > limit || (buttons_visible && total_w > limit_minus_buttons)) {
offset++;
}
}
@ -1105,6 +1127,8 @@ void Tabs::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_tab", "title", "icon"), &Tabs::add_tab, DEFVAL(""), DEFVAL(Ref<Texture2D>()));
ClassDB::bind_method(D_METHOD("set_tab_align", "align"), &Tabs::set_tab_align);
ClassDB::bind_method(D_METHOD("get_tab_align"), &Tabs::get_tab_align);
ClassDB::bind_method(D_METHOD("set_clip_tabs", "clip_tabs"), &Tabs::set_clip_tabs);
ClassDB::bind_method(D_METHOD("get_clip_tabs"), &Tabs::get_clip_tabs);
ClassDB::bind_method(D_METHOD("get_tab_offset"), &Tabs::get_tab_offset);
ClassDB::bind_method(D_METHOD("get_offset_buttons_visible"), &Tabs::get_offset_buttons_visible);
ClassDB::bind_method(D_METHOD("ensure_tab_visible", "idx"), &Tabs::ensure_tab_visible);
@ -1131,6 +1155,7 @@ void Tabs::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1", PROPERTY_USAGE_EDITOR), "set_current_tab", "get_current_tab");
ADD_PROPERTY(PropertyInfo(Variant::INT, "tab_align", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_tab_align", "get_tab_align");
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::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");

4
scene/gui/tabs.h
View File

@ -85,6 +85,7 @@ private:
int previous = 0;
int _get_top_margin() const;
TabAlign tab_align = ALIGN_CENTER;
bool clip_tabs = true;
int rb_hover = -1;
bool rb_pressing = false;
@ -148,6 +149,9 @@ public:
void set_tab_align(TabAlign p_align);
TabAlign get_tab_align() const;
void set_clip_tabs(bool p_clip_tabs);
bool get_clip_tabs() const;
void move_tab(int from, int to);
void set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy);