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Merge pull request #82468 from kitbdev/tabcontainer-bottom

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Option to put TabContainer tabs at bottom
This commit is contained in:
Rémi Verschelde 2024-01-08 14:51:37 +01:00
commit 129332e3b9
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GPG Key ID: C3336907360768E1
5 changed files with 112 additions and 36 deletions
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14
doc/classes/TabContainer.xml
View File

@ -193,6 +193,9 @@
<member name="tab_focus_mode" type="int" setter="set_tab_focus_mode" getter="get_tab_focus_mode" enum="Control.FocusMode" default="2">
The focus access mode for the internal [TabBar] node.
</member>
<member name="tabs_position" type="int" setter="set_tabs_position" getter="get_tabs_position" enum="TabContainer.TabPosition" default="0">
Sets the position of the tab bar. See [enum TabPosition] for details.
</member>
<member name="tabs_rearrange_group" type="int" setter="set_tabs_rearrange_group" getter="get_tabs_rearrange_group" default="-1">
[TabContainer]s with the same rearrange group ID will allow dragging the tabs between them. Enable drag with [member drag_to_rearrange_enabled].
Setting this to [code]-1[/code] will disable rearranging between [TabContainer]s.
@ -247,6 +250,17 @@
</description>
</signal>
</signals>
<constants>
<constant name="POSITION_TOP" value="0" enum="TabPosition">
Places the tab bar at the top.
</constant>
<constant name="POSITION_BOTTOM" value="1" enum="TabPosition">
Places the tab bar at the bottom. The tab bar's [StyleBox] will be flipped vertically.
</constant>
<constant name="POSITION_MAX" value="2" enum="TabPosition">
Represents the size of the [enum TabPosition] enum.
</constant>
</constants>
<theme_items>
<theme_item name="drop_mark_color" data_type="color" type="Color" default="Color(1, 1, 1, 1)">
Modulation color for the [theme_item drop_mark] icon.

10
scene/gui/tab_bar.cpp
View File

@ -516,7 +516,13 @@ void TabBar::_draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_in
bool rtl = is_layout_rtl();
Rect2 sb_rect = Rect2(p_x, 0, tabs[p_index].size_cache, get_size().height);
if (tab_style_v_flip) {
draw_set_transform(Point2(0.0, p_tab_style->get_draw_rect(sb_rect).size.y), 0.0, Size2(1.0, -1.0));
}
p_tab_style->draw(ci, sb_rect);
if (tab_style_v_flip) {
draw_set_transform(Point2(), 0.0, Size2(1.0, 1.0));
}
if (p_focus) {
Ref<StyleBox> focus_style = theme_cache.tab_focus_style;
focus_style->draw(ci, sb_rect);
@ -1367,6 +1373,10 @@ bool TabBar::get_clip_tabs() const {
return clip_tabs;
}
void TabBar::set_tab_style_v_flip(bool p_tab_style_v_flip) {
tab_style_v_flip = p_tab_style_v_flip;
}
void TabBar::move_tab(int p_from, int p_to) {
if (p_from == p_to) {
return;

3
scene/gui/tab_bar.h
View File

@ -91,6 +91,7 @@ private:
bool clip_tabs = true;
int rb_hover = -1;
bool rb_pressing = false;
bool tab_style_v_flip = false;
bool select_with_rmb = false;
@ -210,6 +211,8 @@ public:
void set_clip_tabs(bool p_clip_tabs);
bool get_clip_tabs() const;
void set_tab_style_v_flip(bool p_tab_style_v_flip);
void move_tab(int p_from, int p_to);
void set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy);

105
scene/gui/tab_container.cpp
View File

@ -35,7 +35,7 @@
#include "scene/gui/texture_rect.h"
#include "scene/theme/theme_db.h"
int TabContainer::_get_top_margin() const {
int TabContainer::_get_tab_height() const {
int height = 0;
if (tabs_visible && get_tab_count() > 0) {
height = tab_bar->get_minimum_size().height;
@ -54,31 +54,33 @@ void TabContainer::gui_input(const Ref<InputEvent> &p_event) {
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
Point2 pos = mb->get_position();
Size2 size = get_size();
real_t content_height = size.height - _get_tab_height();
// Click must be on tabs in the tab header area.
if (pos.y > _get_top_margin()) {
if (tabs_position == POSITION_TOP && pos.y > _get_tab_height()) {
return;
}
if (tabs_position == POSITION_BOTTOM && pos.y < content_height) {
return;
}
// Handle menu button.
if (is_layout_rtl()) {
if (popup && pos.x < theme_cache.menu_icon->get_width()) {
if (popup) {
if (is_layout_rtl() ? pos.x < theme_cache.menu_icon->get_width() : pos.x > size.width - theme_cache.menu_icon->get_width()) {
emit_signal(SNAME("pre_popup_pressed"));
Vector2 popup_pos = get_screen_position();
popup_pos.y += theme_cache.menu_icon->get_height();
popup->set_position(popup_pos);
popup->popup();
return;
}
} else {
if (popup && pos.x > size.width - theme_cache.menu_icon->get_width()) {
emit_signal(SNAME("pre_popup_pressed"));
Vector2 popup_pos = get_screen_position();
popup_pos.x += size.width - popup->get_size().width;
popup_pos.y += theme_cache.menu_icon->get_height();
if (!is_layout_rtl()) {
popup_pos.x += size.width - popup->get_size().width;
}
popup_pos.y += _get_tab_height() / 2.0;
if (tabs_position == POSITION_BOTTOM) {
popup_pos.y += content_height;
popup_pos.y -= popup->get_size().height;
popup_pos.y -= theme_cache.menu_icon->get_height() / 2.0;
} else {
popup_pos.y += theme_cache.menu_icon->get_height() / 2.0;
}
popup->set_position(popup_pos);
popup->popup();
@ -94,7 +96,14 @@ void TabContainer::gui_input(const Ref<InputEvent> &p_event) {
Size2 size = get_size();
// Mouse must be on tabs in the tab header area.
if (pos.y > _get_top_margin()) {
if (tabs_position == POSITION_TOP && pos.y > _get_tab_height()) {
if (menu_hovered) {
menu_hovered = false;
queue_redraw();
}
return;
}
if (tabs_position == POSITION_BOTTOM && pos.y < size.height - _get_tab_height()) {
if (menu_hovered) {
menu_hovered = false;
queue_redraw();
@ -165,21 +174,22 @@ void TabContainer::_notification(int p_what) {
return;
}
int header_height = _get_top_margin();
int header_height = _get_tab_height();
int header_voffset = int(tabs_position == POSITION_BOTTOM) * (size.height - header_height);
// Draw background for the tabbar.
theme_cache.tabbar_style->draw(canvas, Rect2(0, 0, size.width, header_height));
theme_cache.tabbar_style->draw(canvas, Rect2(0, header_voffset, size.width, header_height));
// Draw the background for the tab's content.
theme_cache.panel_style->draw(canvas, Rect2(0, header_height, size.width, size.height - header_height));
theme_cache.panel_style->draw(canvas, Rect2(0, int(tabs_position == POSITION_TOP) * header_height, size.width, size.height - header_height));
// Draw the popup menu.
if (get_popup()) {
int x = is_layout_rtl() ? 0 : get_size().width - theme_cache.menu_icon->get_width();
if (menu_hovered) {
theme_cache.menu_hl_icon->draw(get_canvas_item(), Point2(x, (header_height - theme_cache.menu_hl_icon->get_height()) / 2));
theme_cache.menu_hl_icon->draw(get_canvas_item(), Point2(x, header_voffset + (header_height - theme_cache.menu_hl_icon->get_height()) / 2));
} else {
theme_cache.menu_icon->draw(get_canvas_item(), Point2(x, (header_height - theme_cache.menu_icon->get_height()) / 2));
theme_cache.menu_icon->draw(get_canvas_item(), Point2(x, header_voffset + (header_height - theme_cache.menu_icon->get_height()) / 2));
}
}
} break;
@ -243,6 +253,12 @@ void TabContainer::_repaint() {
Vector<Control *> controls = _get_tab_controls();
int current = get_current_tab();
if (tabs_position == POSITION_BOTTOM) {
tab_bar->set_anchors_and_offsets_preset(PRESET_BOTTOM_WIDE);
} else {
tab_bar->set_anchors_and_offsets_preset(PRESET_TOP_WIDE);
}
for (int i = 0; i < controls.size(); i++) {
Control *c = controls[i];
@ -251,7 +267,11 @@ void TabContainer::_repaint() {
c->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
if (tabs_visible) {
c->set_offset(SIDE_TOP, _get_top_margin());
if (tabs_position == POSITION_BOTTOM) {
c->set_offset(SIDE_BOTTOM, -_get_tab_height());
} else {
c->set_offset(SIDE_TOP, _get_tab_height());
}
}
c->set_offset(SIDE_TOP, c->get_offset(SIDE_TOP) + theme_cache.panel_style->get_margin(SIDE_TOP));
@ -263,6 +283,7 @@ void TabContainer::_repaint() {
}
}
_update_margins();
update_minimum_size();
}
@ -609,6 +630,23 @@ TabBar::AlignmentMode TabContainer::get_tab_alignment() const {
return tab_bar->get_tab_alignment();
}
void TabContainer::set_tabs_position(TabPosition p_tabs_position) {
ERR_FAIL_INDEX(p_tabs_position, POSITION_MAX);
if (p_tabs_position == tabs_position) {
return;
}
tabs_position = p_tabs_position;
tab_bar->set_tab_style_v_flip(tabs_position == POSITION_BOTTOM);
callable_mp(this, &TabContainer::_repaint).call_deferred();
queue_redraw();
}
TabContainer::TabPosition TabContainer::get_tabs_position() const {
return tabs_position;
}
void TabContainer::set_tab_focus_mode(Control::FocusMode p_focus_mode) {
tab_bar->set_focus_mode(p_focus_mode);
}
@ -633,18 +671,8 @@ void TabContainer::set_tabs_visible(bool p_visible) {
tabs_visible = p_visible;
tab_bar->set_visible(tabs_visible);
Vector<Control *> controls = _get_tab_controls();
for (int i = 0; i < controls.size(); i++) {
Control *c = controls[i];
if (tabs_visible) {
c->set_offset(SIDE_TOP, _get_top_margin());
} else {
c->set_offset(SIDE_TOP, 0);
}
}
callable_mp(this, &TabContainer::_repaint).call_deferred();
queue_redraw();
update_minimum_size();
}
bool TabContainer::are_tabs_visible() const {
@ -890,6 +918,8 @@ void TabContainer::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_tab_control", "tab_idx"), &TabContainer::get_tab_control);
ClassDB::bind_method(D_METHOD("set_tab_alignment", "alignment"), &TabContainer::set_tab_alignment);
ClassDB::bind_method(D_METHOD("get_tab_alignment"), &TabContainer::get_tab_alignment);
ClassDB::bind_method(D_METHOD("set_tabs_position", "tabs_position"), &TabContainer::set_tabs_position);
ClassDB::bind_method(D_METHOD("get_tabs_position"), &TabContainer::get_tabs_position);
ClassDB::bind_method(D_METHOD("set_clip_tabs", "clip_tabs"), &TabContainer::set_clip_tabs);
ClassDB::bind_method(D_METHOD("get_clip_tabs"), &TabContainer::get_clip_tabs);
ClassDB::bind_method(D_METHOD("set_tabs_visible", "visible"), &TabContainer::set_tabs_visible);
@ -931,6 +961,7 @@ void TabContainer::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "tab_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_tab_alignment", "get_tab_alignment");
ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1"), "set_current_tab", "get_current_tab");
ADD_PROPERTY(PropertyInfo(Variant::INT, "tabs_position", PROPERTY_HINT_ENUM, "Top,Bottom"), "set_tabs_position", "get_tabs_position");
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");
@ -939,6 +970,10 @@ void TabContainer::_bind_methods() {
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");
ADD_PROPERTY(PropertyInfo(Variant::INT, "tab_focus_mode", PROPERTY_HINT_ENUM, "None,Click,All"), "set_tab_focus_mode", "get_tab_focus_mode");
BIND_ENUM_CONSTANT(POSITION_TOP);
BIND_ENUM_CONSTANT(POSITION_BOTTOM);
BIND_ENUM_CONSTANT(POSITION_MAX);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabContainer, side_margin);
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabContainer, panel_style, "panel");

16
scene/gui/tab_container.h
View File

@ -38,9 +38,18 @@
class TabContainer : public Container {
GDCLASS(TabContainer, Container);
public:
enum TabPosition {
POSITION_TOP,
POSITION_BOTTOM,
POSITION_MAX,
};
private:
TabBar *tab_bar = nullptr;
bool tabs_visible = true;
bool all_tabs_in_front = false;
TabPosition tabs_position = POSITION_TOP;
bool menu_hovered = false;
mutable ObjectID popup_obj_id;
bool use_hidden_tabs_for_min_size = false;
@ -86,7 +95,7 @@ class TabContainer : public Container {
int tab_font_size;
} theme_cache;
int _get_top_margin() const;
int _get_tab_height() const;
Vector<Control *> _get_tab_controls() const;
void _on_theme_changed();
void _repaint();
@ -124,6 +133,9 @@ public:
void set_tab_alignment(TabBar::AlignmentMode p_alignment);
TabBar::AlignmentMode get_tab_alignment() const;
void set_tabs_position(TabPosition p_tab_position);
TabPosition get_tabs_position() const;
void set_tab_focus_mode(FocusMode p_focus_mode);
FocusMode get_tab_focus_mode() const;
@ -185,4 +197,6 @@ public:
TabContainer();
};
VARIANT_ENUM_CAST(TabContainer::TabPosition);
#endif // TAB_CONTAINER_H