godot/scene/gui/tab_bar.cpp

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/**************************************************************************/
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/* tab_bar.cpp */
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/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
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#include "tab_bar.h"
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#include "core/object/message_queue.h"
#include "core/string/translation.h"
#include "scene/gui/box_container.h"
#include "scene/gui/label.h"
#include "scene/gui/texture_rect.h"
#include "scene/main/viewport.h"
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#include "scene/theme/theme_db.h"
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Size2 TabBar::get_minimum_size() const {
Size2 ms;
if (tabs.is_empty()) {
return ms;
}
int y_margin = MAX(MAX(MAX(theme_cache.tab_unselected_style->get_minimum_size().height, theme_cache.tab_hovered_style->get_minimum_size().height), theme_cache.tab_selected_style->get_minimum_size().height), theme_cache.tab_disabled_style->get_minimum_size().height);
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for (int i = 0; i < tabs.size(); i++) {
if (tabs[i].hidden) {
continue;
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}
int ofs = ms.width;
Ref<StyleBox> style;
if (tabs[i].disabled) {
style = theme_cache.tab_disabled_style;
} else if (current == i) {
style = theme_cache.tab_selected_style;
} else if (hover == i) {
style = theme_cache.tab_hovered_style;
} else {
style = theme_cache.tab_unselected_style;
}
ms.width += style->get_minimum_size().width;
if (tabs[i].icon.is_valid()) {
const Size2 icon_size = _get_tab_icon_size(i);
ms.height = MAX(ms.height, icon_size.height + y_margin);
ms.width += icon_size.width + theme_cache.h_separation;
}
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if (!tabs[i].text.is_empty()) {
ms.width += tabs[i].size_text + theme_cache.h_separation;
}
ms.height = MAX(ms.height, tabs[i].text_buf->get_size().y + y_margin);
bool close_visible = cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current);
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if (tabs[i].right_button.is_valid()) {
Ref<Texture2D> rb = tabs[i].right_button;
if (close_visible) {
ms.width += theme_cache.button_hl_style->get_minimum_size().width + rb->get_width();
} else {
ms.width += theme_cache.button_hl_style->get_margin(SIDE_LEFT) + rb->get_width() + theme_cache.h_separation;
}
ms.height = MAX(ms.height, rb->get_height() + y_margin);
}
if (close_visible) {
ms.width += theme_cache.button_hl_style->get_margin(SIDE_LEFT) + theme_cache.close_icon->get_width() + theme_cache.h_separation;
ms.height = MAX(ms.height, theme_cache.close_icon->get_height() + y_margin);
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}
if (ms.width - ofs > style->get_minimum_size().width) {
ms.width -= theme_cache.h_separation;
}
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}
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if (clip_tabs) {
ms.width = 0;
}
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return ms;
}
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void TabBar::gui_input(const Ref<InputEvent> &p_event) {
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ERR_FAIL_COND(p_event.is_null());
Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
Point2 pos = mm->get_position();
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if (buttons_visible) {
if (is_layout_rtl()) {
if (pos.x < theme_cache.decrement_icon->get_width()) {
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if (highlight_arrow != 1) {
highlight_arrow = 1;
queue_redraw();
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}
} else if (pos.x < theme_cache.increment_icon->get_width() + theme_cache.decrement_icon->get_width()) {
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if (highlight_arrow != 0) {
highlight_arrow = 0;
queue_redraw();
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}
} else if (highlight_arrow != -1) {
highlight_arrow = -1;
queue_redraw();
}
} else {
int limit_minus_buttons = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width();
if (pos.x > limit_minus_buttons + theme_cache.decrement_icon->get_width()) {
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if (highlight_arrow != 1) {
highlight_arrow = 1;
queue_redraw();
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}
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} else if (pos.x > limit_minus_buttons) {
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if (highlight_arrow != 0) {
highlight_arrow = 0;
queue_redraw();
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}
} else if (highlight_arrow != -1) {
highlight_arrow = -1;
queue_redraw();
}
}
}
if (get_viewport()->gui_is_dragging() && can_drop_data(pos, get_viewport()->gui_get_drag_data())) {
dragging_valid_tab = true;
queue_redraw();
}
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if (!tabs.is_empty()) {
_update_hover();
}
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return;
}
Ref<InputEventMouseButton> mb = p_event;
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if (mb.is_valid()) {
if (mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_UP && !mb->is_command_or_control_pressed()) {
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if (scrolling_enabled && buttons_visible) {
if (offset > 0) {
offset--;
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_update_cache();
queue_redraw();
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}
}
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}
if (mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_DOWN && !mb->is_command_or_control_pressed()) {
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if (scrolling_enabled && buttons_visible) {
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if (missing_right && offset < tabs.size()) {
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offset++;
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_update_cache();
queue_redraw();
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}
}
}
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if (rb_pressing && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
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if (rb_hover != -1) {
emit_signal(SNAME("tab_button_pressed"), rb_hover);
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}
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rb_pressing = false;
queue_redraw();
}
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if (cb_pressing && !mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
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if (cb_hover != -1) {
emit_signal(SNAME("tab_close_pressed"), cb_hover);
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}
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cb_pressing = false;
queue_redraw();
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}
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if (mb->is_pressed() && (mb->get_button_index() == MouseButton::LEFT || (select_with_rmb && mb->get_button_index() == MouseButton::RIGHT))) {
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Point2 pos = mb->get_position();
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if (buttons_visible) {
if (is_layout_rtl()) {
if (pos.x < theme_cache.decrement_icon->get_width()) {
if (missing_right) {
offset++;
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_update_cache();
queue_redraw();
}
return;
} else if (pos.x < theme_cache.increment_icon->get_width() + theme_cache.decrement_icon->get_width()) {
if (offset > 0) {
offset--;
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_update_cache();
queue_redraw();
}
return;
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}
} else {
int limit = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width();
if (pos.x > limit + theme_cache.decrement_icon->get_width()) {
if (missing_right) {
offset++;
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_update_cache();
queue_redraw();
}
return;
} else if (pos.x > limit) {
if (offset > 0) {
offset--;
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_update_cache();
queue_redraw();
}
return;
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}
}
}
if (tabs.is_empty()) {
// Return early if there are no actual tabs to handle input for.
return;
}
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int found = -1;
for (int i = offset; i <= max_drawn_tab; i++) {
if (tabs[i].hidden) {
continue;
}
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if (tabs[i].rb_rect.has_point(pos)) {
rb_pressing = true;
_update_hover();
queue_redraw();
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return;
}
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if (tabs[i].cb_rect.has_point(pos) && (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current))) {
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cb_pressing = true;
_update_hover();
queue_redraw();
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return;
}
if (pos.x >= get_tab_rect(i).position.x && pos.x < get_tab_rect(i).position.x + tabs[i].size_cache) {
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if (!tabs[i].disabled) {
found = i;
}
break;
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}
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}
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if (found != -1) {
set_current_tab(found);
if (mb->get_button_index() == MouseButton::RIGHT) {
// Right mouse button clicked.
emit_signal(SNAME("tab_rmb_clicked"), found);
}
emit_signal(SNAME("tab_clicked"), found);
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}
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}
}
if (p_event->is_pressed()) {
Input *input = Input::get_singleton();
Ref<InputEventJoypadMotion> joypadmotion_event = p_event;
Ref<InputEventJoypadButton> joypadbutton_event = p_event;
bool is_joypad_event = (joypadmotion_event.is_valid() || joypadbutton_event.is_valid());
if (p_event->is_action("ui_right", true)) {
if (is_joypad_event) {
if (!input->is_action_just_pressed("ui_right", true)) {
return;
}
set_process_internal(true);
}
if (is_layout_rtl() ? select_previous_available() : select_next_available()) {
accept_event();
}
} else if (p_event->is_action("ui_left", true)) {
if (is_joypad_event) {
if (!input->is_action_just_pressed("ui_left", true)) {
return;
}
set_process_internal(true);
}
if (is_layout_rtl() ? select_next_available() : select_previous_available()) {
accept_event();
}
}
}
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}
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void TabBar::_shape(int p_tab) {
tabs.write[p_tab].text_buf->clear();
tabs.write[p_tab].text_buf->set_width(-1);
if (tabs[p_tab].text_direction == Control::TEXT_DIRECTION_INHERITED) {
tabs.write[p_tab].text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
} else {
tabs.write[p_tab].text_buf->set_direction((TextServer::Direction)tabs[p_tab].text_direction);
}
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tabs.write[p_tab].text_buf->add_string(atr(tabs[p_tab].text), theme_cache.font, theme_cache.font_size, tabs[p_tab].language);
}
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void TabBar::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
if (scroll_to_selected) {
ensure_tab_visible(current);
}
} break;
case NOTIFICATION_INTERNAL_PROCESS: {
Input *input = Input::get_singleton();
if (input->is_action_just_released("ui_left") || input->is_action_just_released("ui_right")) {
gamepad_event_delay_ms = DEFAULT_GAMEPAD_EVENT_DELAY_MS;
set_process_internal(false);
return;
}
gamepad_event_delay_ms -= get_process_delta_time();
if (gamepad_event_delay_ms <= 0) {
gamepad_event_delay_ms = GAMEPAD_EVENT_REPEAT_RATE_MS + gamepad_event_delay_ms;
if (input->is_action_pressed("ui_right")) {
is_layout_rtl() ? select_previous_available() : select_next_available();
}
if (input->is_action_pressed("ui_left")) {
is_layout_rtl() ? select_next_available() : select_previous_available();
}
}
} break;
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: {
queue_redraw();
} break;
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case NOTIFICATION_THEME_CHANGED:
case NOTIFICATION_TRANSLATION_CHANGED: {
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for (int i = 0; i < tabs.size(); ++i) {
_shape(i);
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}
queue_redraw();
update_minimum_size();
[[fallthrough]];
}
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case NOTIFICATION_RESIZED: {
int ofs_old = offset;
int max_old = max_drawn_tab;
_update_cache();
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_ensure_no_over_offset();
if (scroll_to_selected && (offset != ofs_old || max_drawn_tab != max_old)) {
ensure_tab_visible(current);
}
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} break;
case NOTIFICATION_DRAG_END: {
if (dragging_valid_tab) {
dragging_valid_tab = false;
queue_redraw();
}
} break;
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case NOTIFICATION_DRAW: {
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bool rtl = is_layout_rtl();
Vector2 size = get_size();
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if (tabs.is_empty()) {
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// Draw the drop indicator where the first tab would be if there are no tabs.
if (dragging_valid_tab) {
int x = rtl ? size.x : 0;
theme_cache.drop_mark_icon->draw(get_canvas_item(), Point2(x - (theme_cache.drop_mark_icon->get_width() / 2), (size.height - theme_cache.drop_mark_icon->get_height()) / 2), theme_cache.drop_mark_color);
}
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return;
}
int limit_minus_buttons = size.width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width();
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int ofs = tabs[offset].ofs_cache;
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// Draw unselected tabs in the back.
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for (int i = offset; i <= max_drawn_tab; i++) {
if (tabs[i].hidden) {
continue;
}
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if (i != current) {
Ref<StyleBox> sb;
Color col;
if (tabs[i].disabled) {
sb = theme_cache.tab_disabled_style;
col = theme_cache.font_disabled_color;
} else if (i == hover) {
sb = theme_cache.tab_hovered_style;
col = theme_cache.font_hovered_color;
} else {
sb = theme_cache.tab_unselected_style;
col = theme_cache.font_unselected_color;
}
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_draw_tab(sb, col, i, rtl ? size.width - ofs - tabs[i].size_cache : ofs, false);
}
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ofs += tabs[i].size_cache;
}
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// Draw selected tab in the front, but only if it's visible.
if (current >= offset && current <= max_drawn_tab && !tabs[current].hidden) {
Ref<StyleBox> sb = tabs[current].disabled ? theme_cache.tab_disabled_style : theme_cache.tab_selected_style;
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float x = rtl ? size.width - tabs[current].ofs_cache - tabs[current].size_cache : tabs[current].ofs_cache;
_draw_tab(sb, theme_cache.font_selected_color, current, x, has_focus());
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}
if (buttons_visible) {
int vofs = (size.height - theme_cache.increment_icon->get_size().height) / 2;
if (rtl) {
if (missing_right) {
draw_texture(highlight_arrow == 1 ? theme_cache.decrement_hl_icon : theme_cache.decrement_icon, Point2(0, vofs));
} else {
draw_texture(theme_cache.decrement_icon, Point2(0, vofs), Color(1, 1, 1, 0.5));
}
if (offset > 0) {
draw_texture(highlight_arrow == 0 ? theme_cache.increment_hl_icon : theme_cache.increment_icon, Point2(theme_cache.increment_icon->get_size().width, vofs));
} else {
draw_texture(theme_cache.increment_icon, Point2(theme_cache.increment_icon->get_size().width, vofs), Color(1, 1, 1, 0.5));
}
} else {
if (offset > 0) {
draw_texture(highlight_arrow == 0 ? theme_cache.decrement_hl_icon : theme_cache.decrement_icon, Point2(limit_minus_buttons, vofs));
} else {
draw_texture(theme_cache.decrement_icon, Point2(limit_minus_buttons, vofs), Color(1, 1, 1, 0.5));
}
if (missing_right) {
draw_texture(highlight_arrow == 1 ? theme_cache.increment_hl_icon : theme_cache.increment_icon, Point2(limit_minus_buttons + theme_cache.decrement_icon->get_size().width, vofs));
} else {
draw_texture(theme_cache.increment_icon, Point2(limit_minus_buttons + theme_cache.decrement_icon->get_size().width, vofs), Color(1, 1, 1, 0.5));
}
}
}
if (dragging_valid_tab) {
int x;
int tab_hover = get_hovered_tab();
if (tab_hover != -1) {
Rect2 tab_rect = get_tab_rect(tab_hover);
x = tab_rect.position.x;
if (get_local_mouse_position().x > x + tab_rect.size.width / 2) {
x += tab_rect.size.width;
}
} else {
if (rtl ^ (get_local_mouse_position().x < get_tab_rect(0).position.x)) {
x = get_tab_rect(0).position.x;
if (rtl) {
x += get_tab_rect(0).size.width;
}
} else {
Rect2 tab_rect = get_tab_rect(get_tab_count() - 1);
x = tab_rect.position.x;
if (!rtl) {
x += tab_rect.size.width;
}
}
}
theme_cache.drop_mark_icon->draw(get_canvas_item(), Point2(x - theme_cache.drop_mark_icon->get_width() / 2, (size.height - theme_cache.drop_mark_icon->get_height()) / 2), theme_cache.drop_mark_color);
}
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} break;
}
}
void TabBar::_draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_index, float p_x, bool p_focus) {
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RID ci = get_canvas_item();
bool rtl = is_layout_rtl();
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Rect2 sb_rect = Rect2(p_x, 0, tabs[p_index].size_cache, get_size().height);
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p_tab_style->draw(ci, sb_rect);
if (p_focus) {
Ref<StyleBox> focus_style = theme_cache.tab_focus_style;
focus_style->draw(ci, sb_rect);
}
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p_x += rtl ? tabs[p_index].size_cache - p_tab_style->get_margin(SIDE_LEFT) : p_tab_style->get_margin(SIDE_LEFT);
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Size2i sb_ms = p_tab_style->get_minimum_size();
// Draw the icon.
Ref<Texture2D> icon = tabs[p_index].icon;
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if (icon.is_valid()) {
const Size2 icon_size = _get_tab_icon_size(p_index);
const Point2 icon_pos = Point2i(rtl ? p_x - icon_size.width : p_x, p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - icon_size.height) / 2);
icon->draw_rect(ci, Rect2(icon_pos, icon_size));
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p_x = rtl ? p_x - icon_size.width - theme_cache.h_separation : p_x + icon_size.width + theme_cache.h_separation;
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}
// Draw the text.
if (!tabs[p_index].text.is_empty()) {
Point2i text_pos = Point2i(rtl ? p_x - tabs[p_index].size_text : p_x,
p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - tabs[p_index].text_buf->get_size().y) / 2);
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if (theme_cache.outline_size > 0 && theme_cache.font_outline_color.a > 0) {
tabs[p_index].text_buf->draw_outline(ci, text_pos, theme_cache.outline_size, theme_cache.font_outline_color);
}
tabs[p_index].text_buf->draw(ci, text_pos, p_font_color);
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p_x = rtl ? p_x - tabs[p_index].size_text - theme_cache.h_separation : p_x + tabs[p_index].size_text + theme_cache.h_separation;
}
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// Draw and calculate rect of the right button.
if (tabs[p_index].right_button.is_valid()) {
Ref<StyleBox> style = theme_cache.button_hl_style;
Ref<Texture2D> rb = tabs[p_index].right_button;
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Rect2 rb_rect;
rb_rect.size = style->get_minimum_size() + rb->get_size();
rb_rect.position.x = rtl ? p_x - rb_rect.size.width : p_x;
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rb_rect.position.y = p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (rb_rect.size.y)) / 2;
tabs.write[p_index].rb_rect = rb_rect;
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if (rb_hover == p_index) {
if (rb_pressing) {
theme_cache.button_pressed_style->draw(ci, rb_rect);
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} else {
style->draw(ci, rb_rect);
}
}
rb->draw(ci, Point2i(rb_rect.position.x + style->get_margin(SIDE_LEFT), rb_rect.position.y + style->get_margin(SIDE_TOP)));
p_x = rtl ? rb_rect.position.x : rb_rect.position.x + rb_rect.size.width;
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} else {
tabs.write[p_index].rb_rect = Rect2();
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}
// Draw and calculate rect of the close button.
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if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_index == current)) {
Ref<StyleBox> style = theme_cache.button_hl_style;
Ref<Texture2D> cb = theme_cache.close_icon;
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Rect2 cb_rect;
cb_rect.size = style->get_minimum_size() + cb->get_size();
cb_rect.position.x = rtl ? p_x - cb_rect.size.width : p_x;
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cb_rect.position.y = p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (cb_rect.size.y)) / 2;
tabs.write[p_index].cb_rect = cb_rect;
if (!tabs[p_index].disabled && cb_hover == p_index) {
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if (cb_pressing) {
theme_cache.button_pressed_style->draw(ci, cb_rect);
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} else {
style->draw(ci, cb_rect);
}
}
cb->draw(ci, Point2i(cb_rect.position.x + style->get_margin(SIDE_LEFT), cb_rect.position.y + style->get_margin(SIDE_TOP)));
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}
}
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void TabBar::set_tab_count(int p_count) {
if (p_count == tabs.size()) {
return;
}
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ERR_FAIL_COND(p_count < 0);
tabs.resize(p_count);
if (p_count == 0) {
offset = 0;
max_drawn_tab = 0;
current = 0;
previous = 0;
} else {
offset = MIN(offset, p_count - 1);
max_drawn_tab = MIN(max_drawn_tab, p_count - 1);
current = MIN(current, p_count - 1);
_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
}
queue_redraw();
update_minimum_size();
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notify_property_list_changed();
}
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int TabBar::get_tab_count() const {
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return tabs.size();
}
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void TabBar::set_current_tab(int p_current) {
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ERR_FAIL_INDEX(p_current, get_tab_count());
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previous = current;
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current = p_current;
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if (current == previous) {
emit_signal(SNAME("tab_selected"), current);
return;
}
emit_signal(SNAME("tab_selected"), current);
_update_cache();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
emit_signal(SNAME("tab_changed"), p_current);
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}
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int TabBar::get_current_tab() const {
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return current;
}
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int TabBar::get_previous_tab() const {
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return previous;
}
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int TabBar::get_hovered_tab() const {
return hover;
}
bool TabBar::select_previous_available() {
const int offset_end = (get_current_tab() + 1);
for (int i = 1; i < offset_end; i++) {
int target_tab = get_current_tab() - i;
if (target_tab < 0) {
target_tab += get_tab_count();
}
if (!is_tab_disabled(target_tab) && !is_tab_hidden(target_tab)) {
set_current_tab(target_tab);
return true;
}
}
return false;
}
bool TabBar::select_next_available() {
const int offset_end = (get_tab_count() - get_current_tab());
for (int i = 1; i < offset_end; i++) {
int target_tab = (get_current_tab() + i) % get_tab_count();
if (!is_tab_disabled(target_tab) && !is_tab_hidden(target_tab)) {
set_current_tab(target_tab);
return true;
}
}
return false;
}
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int TabBar::get_tab_offset() const {
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return offset;
}
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bool TabBar::get_offset_buttons_visible() const {
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return buttons_visible;
}
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void TabBar::set_tab_title(int p_tab, const String &p_title) {
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ERR_FAIL_INDEX(p_tab, tabs.size());
if (tabs[p_tab].text == p_title) {
return;
}
tabs.write[p_tab].text = p_title;
_shape(p_tab);
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_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
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update_minimum_size();
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}
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String TabBar::get_tab_title(int p_tab) const {
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ERR_FAIL_INDEX_V(p_tab, tabs.size(), "");
return tabs[p_tab].text;
}
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void TabBar::set_tab_text_direction(int p_tab, Control::TextDirection p_text_direction) {
ERR_FAIL_INDEX(p_tab, tabs.size());
ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3);
if (tabs[p_tab].text_direction != p_text_direction) {
tabs.write[p_tab].text_direction = p_text_direction;
_shape(p_tab);
queue_redraw();
}
}
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Control::TextDirection TabBar::get_tab_text_direction(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Control::TEXT_DIRECTION_INHERITED);
return tabs[p_tab].text_direction;
}
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void TabBar::set_tab_language(int p_tab, const String &p_language) {
ERR_FAIL_INDEX(p_tab, tabs.size());
if (tabs[p_tab].language != p_language) {
tabs.write[p_tab].language = p_language;
_shape(p_tab);
_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
update_minimum_size();
}
}
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String TabBar::get_tab_language(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), "");
return tabs[p_tab].language;
}
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void TabBar::set_tab_icon(int p_tab, const Ref<Texture2D> &p_icon) {
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ERR_FAIL_INDEX(p_tab, tabs.size());
if (tabs[p_tab].icon == p_icon) {
return;
}
tabs.write[p_tab].icon = p_icon;
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_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
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update_minimum_size();
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}
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Ref<Texture2D> TabBar::get_tab_icon(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture2D>());
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return tabs[p_tab].icon;
}
void TabBar::set_tab_icon_max_width(int p_tab, int p_width) {
ERR_FAIL_INDEX(p_tab, tabs.size());
if (tabs[p_tab].icon_max_width == p_width) {
return;
}
tabs.write[p_tab].icon_max_width = p_width;
_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
update_minimum_size();
}
int TabBar::get_tab_icon_max_width(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), 0);
return tabs[p_tab].icon_max_width;
}
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void TabBar::set_tab_disabled(int p_tab, bool p_disabled) {
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ERR_FAIL_INDEX(p_tab, tabs.size());
if (tabs[p_tab].disabled == p_disabled) {
return;
}
tabs.write[p_tab].disabled = p_disabled;
_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
update_minimum_size();
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}
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bool TabBar::is_tab_disabled(int p_tab) const {
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ERR_FAIL_INDEX_V(p_tab, tabs.size(), false);
return tabs[p_tab].disabled;
}
void TabBar::set_tab_hidden(int p_tab, bool p_hidden) {
ERR_FAIL_INDEX(p_tab, tabs.size());
if (tabs[p_tab].hidden == p_hidden) {
return;
}
tabs.write[p_tab].hidden = p_hidden;
_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
update_minimum_size();
}
bool TabBar::is_tab_hidden(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), false);
return tabs[p_tab].hidden;
}
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void TabBar::set_tab_metadata(int p_tab, const Variant &p_metadata) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs.write[p_tab].metadata = p_metadata;
}
Variant TabBar::get_tab_metadata(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Variant());
return tabs[p_tab].metadata;
}
void TabBar::set_tab_button_icon(int p_tab, const Ref<Texture2D> &p_icon) {
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ERR_FAIL_INDEX(p_tab, tabs.size());
if (tabs[p_tab].right_button == p_icon) {
return;
}
tabs.write[p_tab].right_button = p_icon;
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_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
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update_minimum_size();
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}
Ref<Texture2D> TabBar::get_tab_button_icon(int p_tab) const {
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture2D>());
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return tabs[p_tab].right_button;
}
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void TabBar::_update_hover() {
if (!is_inside_tree()) {
return;
}
ERR_FAIL_COND(tabs.is_empty());
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 = offset; i <= max_drawn_tab; i++) {
if (tabs[i].hidden) {
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;
} else if (!tabs[i].disabled && tabs[i].cb_rect.has_point(pos)) {
cb_hover = i;
rb_hover = -1;
hover_buttons = i;
}
if (hover_buttons != -1) {
queue_redraw();
break;
}
}
if (hover != hover_now) {
hover = hover_now;
if (hover != -1) {
emit_signal(SNAME("tab_hovered"), hover);
}
_update_cache();
queue_redraw();
}
if (hover_buttons == -1) { // No hover.
int rb_hover_old = rb_hover;
int cb_hover_old = cb_hover;
rb_hover = hover_buttons;
cb_hover = hover_buttons;
if (rb_hover != rb_hover_old || cb_hover != cb_hover_old) {
queue_redraw();
}
}
}
void TabBar::_update_cache(bool p_update_hover) {
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if (tabs.is_empty()) {
buttons_visible = false;
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return;
}
int limit = get_size().width;
int limit_minus_buttons = limit - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width();
int w = 0;
max_drawn_tab = tabs.size() - 1;
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for (int i = 0; i < tabs.size(); i++) {
tabs.write[i].text_buf->set_width(-1);
tabs.write[i].size_text = Math::ceil(tabs[i].text_buf->get_size().x);
tabs.write[i].size_cache = get_tab_width(i);
if (max_width > 0 && tabs[i].size_cache > max_width) {
int size_textless = tabs[i].size_cache - tabs[i].size_text;
int mw = MAX(size_textless, max_width);
tabs.write[i].size_text = MAX(mw - size_textless, 1);
tabs.write[i].text_buf->set_width(tabs[i].size_text);
tabs.write[i].size_cache = size_textless + tabs[i].size_text;
}
if (i < offset || i > max_drawn_tab) {
tabs.write[i].ofs_cache = 0;
continue;
}
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tabs.write[i].ofs_cache = w;
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if (tabs[i].hidden) {
continue;
}
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w += tabs[i].size_cache;
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// Check if all tabs would fit inside the area.
if (clip_tabs && i > offset && (w > limit || (offset > 0 && w > limit_minus_buttons))) {
tabs.write[i].ofs_cache = 0;
w -= tabs[i].size_cache;
max_drawn_tab = i - 1;
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while (w > limit_minus_buttons && max_drawn_tab > offset) {
tabs.write[max_drawn_tab].ofs_cache = 0;
if (!tabs[max_drawn_tab].hidden) {
w -= tabs[max_drawn_tab].size_cache;
}
max_drawn_tab--;
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}
}
}
missing_right = max_drawn_tab < tabs.size() - 1;
buttons_visible = offset > 0 || missing_right;
if (tab_alignment == ALIGNMENT_LEFT) {
if (p_update_hover) {
_update_hover();
}
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return;
}
if (tab_alignment == ALIGNMENT_CENTER) {
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w = ((buttons_visible ? limit_minus_buttons : limit) - w) / 2;
} else if (tab_alignment == ALIGNMENT_RIGHT) {
w = (buttons_visible ? limit_minus_buttons : limit) - w;
}
for (int i = offset; i <= max_drawn_tab; i++) {
tabs.write[i].ofs_cache = w;
if (!tabs[i].hidden) {
w += tabs[i].size_cache;
}
}
if (p_update_hover) {
_update_hover();
}
}
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void TabBar::_on_mouse_exited() {
rb_hover = -1;
cb_hover = -1;
hover = -1;
highlight_arrow = -1;
dragging_valid_tab = false;
_update_cache(false);
queue_redraw();
}
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void TabBar::add_tab(const String &p_str, const Ref<Texture2D> &p_icon) {
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Tab t;
t.text = p_str;
t.text_buf->set_direction(is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
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t.icon = p_icon;
tabs.push_back(t);
_shape(tabs.size() - 1);
_update_cache();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
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update_minimum_size();
if (tabs.size() == 1 && is_inside_tree()) {
emit_signal(SNAME("tab_changed"), 0);
}
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}
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void TabBar::clear_tabs() {
if (tabs.is_empty()) {
return;
}
tabs.clear();
offset = 0;
max_drawn_tab = 0;
current = 0;
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previous = 0;
queue_redraw();
update_minimum_size();
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notify_property_list_changed();
}
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void TabBar::remove_tab(int p_idx) {
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ERR_FAIL_INDEX(p_idx, tabs.size());
tabs.remove_at(p_idx);
bool is_tab_changing = current == p_idx && !tabs.is_empty();
if (current >= p_idx && current > 0) {
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current--;
}
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if (tabs.is_empty()) {
offset = 0;
max_drawn_tab = 0;
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previous = 0;
} else {
// Try to change to a valid tab if possible (without firing the `tab_selected` signal).
for (int i = current; i < tabs.size(); i++) {
if (!is_tab_disabled(i) && !is_tab_hidden(i)) {
current = i;
break;
}
}
// If nothing, try backwards.
if (is_tab_disabled(current) || is_tab_hidden(current)) {
for (int i = current - 1; i >= 0; i--) {
if (!is_tab_disabled(i) && !is_tab_hidden(i)) {
current = i;
break;
}
}
}
offset = MIN(offset, tabs.size() - 1);
max_drawn_tab = MIN(max_drawn_tab, tabs.size() - 1);
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_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
}
queue_redraw();
update_minimum_size();
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notify_property_list_changed();
if (is_tab_changing && is_inside_tree()) {
emit_signal(SNAME("tab_changed"), current);
}
}
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Variant TabBar::get_drag_data(const Point2 &p_point) {
if (!drag_to_rearrange_enabled) {
return Control::get_drag_data(p_point); // Allow stuff like TabContainer to override it.
}
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return _handle_get_drag_data("tab_bar_tab", p_point);
}
bool TabBar::can_drop_data(const Point2 &p_point, const Variant &p_data) const {
if (!drag_to_rearrange_enabled) {
return Control::can_drop_data(p_point, p_data); // Allow stuff like TabContainer to override it.
}
return _handle_can_drop_data("tab_bar_tab", p_point, p_data);
}
void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) {
if (!drag_to_rearrange_enabled) {
Control::drop_data(p_point, p_data); // Allow stuff like TabContainer to override it.
return;
}
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_handle_drop_data("tab_bar_tab", p_point, p_data, callable_mp(this, &TabBar::move_tab), callable_mp(this, &TabBar::_move_tab_from));
}
Variant TabBar::_handle_get_drag_data(const String &p_type, const Point2 &p_point) {
int tab_over = get_tab_idx_at_point(p_point);
if (tab_over < 0) {
return Variant();
}
HBoxContainer *drag_preview = memnew(HBoxContainer);
if (!tabs[tab_over].icon.is_null()) {
const Size2 icon_size = _get_tab_icon_size(tab_over);
TextureRect *tf = memnew(TextureRect);
tf->set_texture(tabs[tab_over].icon);
tf->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
tf->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
tf->set_custom_minimum_size(icon_size);
drag_preview->add_child(tf);
}
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Label *label = memnew(Label(get_tab_title(tab_over)));
drag_preview->add_child(label);
set_drag_preview(drag_preview);
Dictionary drag_data;
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drag_data["type"] = p_type;
drag_data["tab_index"] = tab_over;
drag_data["from_path"] = get_path();
return drag_data;
}
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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")) {
return false;
}
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if (String(d["type"]) == p_type) {
NodePath from_path = d["from_path"];
NodePath to_path = get_path();
if (from_path == to_path) {
return true;
} else if (get_tabs_rearrange_group() != -1) {
// Drag and drop between other TabBars.
Node *from_node = get_node(from_path);
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TabBar *from_tabs = Object::cast_to<TabBar>(from_node);
if (from_tabs && from_tabs->get_tabs_rearrange_group() == get_tabs_rearrange_group()) {
return true;
}
}
}
return false;
}
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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")) {
return;
}
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if (String(d["type"]) == p_type) {
int tab_from_id = d["tab_index"];
int hover_now = get_tab_idx_at_point(p_point);
NodePath from_path = d["from_path"];
NodePath to_path = get_path();
if (from_path == to_path) {
if (tab_from_id == hover_now) {
return;
}
// Drop the new tab to the left or right depending on where the target tab is being hovered.
if (hover_now != -1) {
Rect2 tab_rect = get_tab_rect(hover_now);
if (is_layout_rtl() ^ (p_point.x <= tab_rect.position.x + tab_rect.size.width / 2)) {
if (hover_now > tab_from_id) {
hover_now -= 1;
}
} else if (tab_from_id > hover_now) {
hover_now += 1;
}
} else {
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int x = tabs.is_empty() ? 0 : get_tab_rect(0).position.x;
hover_now = is_layout_rtl() ^ (p_point.x < x) ? 0 : get_tab_count() - 1;
}
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p_move_tab_callback.call(tab_from_id, hover_now);
if (!is_tab_disabled(hover_now)) {
emit_signal(SNAME("active_tab_rearranged"), hover_now);
set_current_tab(hover_now);
}
} else if (get_tabs_rearrange_group() != -1) {
// Drag and drop between Tabs.
Node *from_node = get_node(from_path);
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TabBar *from_tabs = Object::cast_to<TabBar>(from_node);
if (from_tabs && from_tabs->get_tabs_rearrange_group() == get_tabs_rearrange_group()) {
if (tab_from_id >= from_tabs->get_tab_count()) {
return;
}
// Drop the new tab to the left or right depending on where the target tab is being hovered.
if (hover_now != -1) {
Rect2 tab_rect = get_tab_rect(hover_now);
if (is_layout_rtl() ^ (p_point.x > tab_rect.position.x + tab_rect.size.width / 2)) {
hover_now += 1;
}
} else {
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hover_now = tabs.is_empty() || (is_layout_rtl() ^ (p_point.x < get_tab_rect(0).position.x)) ? 0 : get_tab_count();
}
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p_move_tab_from_other_callback.call(from_tabs, tab_from_id, hover_now);
}
}
}
}
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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];
p_from_tabbar->remove_tab(p_from_index);
tabs.insert(p_to_index, moving_tab);
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if (tabs.size() > 1) {
if (current >= p_to_index) {
current++;
}
if (previous >= p_to_index) {
previous++;
}
}
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if (!is_tab_disabled(p_to_index)) {
set_current_tab(p_to_index);
if (tabs.size() == 1) {
_update_cache();
queue_redraw();
emit_signal(SNAME("tab_changed"), 0);
}
} else {
_update_cache();
queue_redraw();
if (tabs.size() == 1) {
emit_signal(SNAME("tab_changed"), 0);
}
}
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update_minimum_size();
}
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int TabBar::get_tab_idx_at_point(const Point2 &p_point) const {
int hover_now = -1;
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if (!tabs.is_empty()) {
for (int i = offset; i <= max_drawn_tab; i++) {
Rect2 rect = get_tab_rect(i);
if (rect.has_point(p_point)) {
hover_now = i;
}
}
}
return hover_now;
}
void TabBar::set_tab_alignment(AlignmentMode p_alignment) {
ERR_FAIL_INDEX(p_alignment, ALIGNMENT_MAX);
if (tab_alignment == p_alignment) {
return;
}
tab_alignment = p_alignment;
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_update_cache();
queue_redraw();
}
TabBar::AlignmentMode TabBar::get_tab_alignment() const {
return tab_alignment;
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}
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void TabBar::set_clip_tabs(bool p_clip_tabs) {
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if (clip_tabs == p_clip_tabs) {
return;
}
clip_tabs = p_clip_tabs;
if (!clip_tabs) {
offset = 0;
max_drawn_tab = 0;
}
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_update_cache();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
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update_minimum_size();
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}
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bool TabBar::get_clip_tabs() const {
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return clip_tabs;
}
void TabBar::move_tab(int p_from, int p_to) {
if (p_from == p_to) {
return;
}
ERR_FAIL_INDEX(p_from, tabs.size());
ERR_FAIL_INDEX(p_to, tabs.size());
Tab tab_from = tabs[p_from];
tabs.remove_at(p_from);
tabs.insert(p_to, tab_from);
if (current == p_from) {
current = p_to;
} else if (current > p_from && current <= p_to) {
current--;
} else if (current < p_from && current >= p_to) {
current++;
}
if (previous == p_from) {
previous = p_to;
} else if (previous > p_from && previous >= p_to) {
previous--;
} else if (previous < p_from && previous <= p_to) {
previous++;
}
_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
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notify_property_list_changed();
}
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int TabBar::get_tab_width(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, tabs.size(), 0);
Ref<StyleBox> style;
if (tabs[p_idx].disabled) {
style = theme_cache.tab_disabled_style;
} else if (current == p_idx) {
style = theme_cache.tab_selected_style;
// Use the unselected style's width if the hovered one is shorter, to avoid an infinite loop when switching tabs with the mouse.
} else if (hover == p_idx && theme_cache.tab_hovered_style->get_minimum_size().width >= theme_cache.tab_unselected_style->get_minimum_size().width) {
style = theme_cache.tab_hovered_style;
} else {
style = theme_cache.tab_unselected_style;
}
int x = style->get_minimum_size().width;
if (tabs[p_idx].icon.is_valid()) {
const Size2 icon_size = _get_tab_icon_size(p_idx);
x += icon_size.width + theme_cache.h_separation;
}
if (!tabs[p_idx].text.is_empty()) {
x += tabs[p_idx].size_text + theme_cache.h_separation;
}
bool close_visible = cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_idx == current);
if (tabs[p_idx].right_button.is_valid()) {
Ref<StyleBox> btn_style = theme_cache.button_hl_style;
Ref<Texture2D> rb = tabs[p_idx].right_button;
if (close_visible) {
x += btn_style->get_minimum_size().width + rb->get_width();
} else {
x += btn_style->get_margin(SIDE_LEFT) + rb->get_width() + theme_cache.h_separation;
}
}
if (close_visible) {
Ref<StyleBox> btn_style = theme_cache.button_hl_style;
Ref<Texture2D> cb = theme_cache.close_icon;
x += btn_style->get_margin(SIDE_LEFT) + cb->get_width() + theme_cache.h_separation;
}
if (x > style->get_minimum_size().width) {
x -= theme_cache.h_separation;
}
return x;
}
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Size2 TabBar::_get_tab_icon_size(int p_index) const {
ERR_FAIL_INDEX_V(p_index, tabs.size(), Size2());
const TabBar::Tab &tab = tabs[p_index];
Size2 icon_size = tab.icon->get_size();
int icon_max_width = 0;
if (theme_cache.icon_max_width > 0) {
icon_max_width = theme_cache.icon_max_width;
}
if (tab.icon_max_width > 0 && (icon_max_width == 0 || tab.icon_max_width < icon_max_width)) {
icon_max_width = tab.icon_max_width;
}
if (icon_max_width > 0 && icon_size.width > icon_max_width) {
icon_size.height = icon_size.height * icon_max_width / icon_size.width;
icon_size.width = icon_max_width;
}
return icon_size;
}
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void TabBar::_ensure_no_over_offset() {
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if (!is_inside_tree() || !buttons_visible) {
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return;
}
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int limit_minus_buttons = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width();
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int prev_offset = offset;
int total_w = tabs[max_drawn_tab].ofs_cache + tabs[max_drawn_tab].size_cache - tabs[offset].ofs_cache;
for (int i = offset; i > 0; i--) {
if (tabs[i - 1].hidden) {
continue;
}
total_w += tabs[i - 1].size_cache;
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if (total_w < limit_minus_buttons) {
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offset--;
} else {
break;
}
}
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if (prev_offset != offset) {
_update_cache();
queue_redraw();
}
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}
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void TabBar::ensure_tab_visible(int p_idx) {
if (!is_inside_tree() || !buttons_visible) {
return;
}
ERR_FAIL_INDEX(p_idx, tabs.size());
if (tabs[p_idx].hidden || (p_idx >= offset && p_idx <= max_drawn_tab)) {
return;
}
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if (p_idx < offset) {
offset = p_idx;
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_update_cache();
queue_redraw();
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return;
}
int limit_minus_buttons = get_size().width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width();
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int total_w = tabs[max_drawn_tab].ofs_cache - tabs[offset].ofs_cache;
for (int i = max_drawn_tab; i <= p_idx; i++) {
if (tabs[i].hidden) {
continue;
}
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total_w += tabs[i].size_cache;
}
int prev_offset = offset;
for (int i = offset; i < p_idx; i++) {
if (tabs[i].hidden) {
continue;
}
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if (total_w > limit_minus_buttons) {
total_w -= tabs[i].size_cache;
offset++;
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} else {
break;
}
}
if (prev_offset != offset) {
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_update_cache();
queue_redraw();
}
}
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Rect2 TabBar::get_tab_rect(int p_tab) const {
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ERR_FAIL_INDEX_V(p_tab, tabs.size(), Rect2());
if (is_layout_rtl()) {
return Rect2(get_size().width - tabs[p_tab].ofs_cache - tabs[p_tab].size_cache, 0, tabs[p_tab].size_cache, get_size().height);
} else {
return Rect2(tabs[p_tab].ofs_cache, 0, tabs[p_tab].size_cache, get_size().height);
}
}
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void TabBar::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX);
if (cb_displaypolicy == p_policy) {
return;
}
cb_displaypolicy = p_policy;
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_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
update_minimum_size();
}
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TabBar::CloseButtonDisplayPolicy TabBar::get_tab_close_display_policy() const {
return cb_displaypolicy;
}
void TabBar::set_max_tab_width(int p_width) {
ERR_FAIL_COND(p_width < 0);
if (max_width == p_width) {
return;
}
max_width = p_width;
_update_cache();
_ensure_no_over_offset();
if (scroll_to_selected) {
ensure_tab_visible(current);
}
queue_redraw();
update_minimum_size();
}
int TabBar::get_max_tab_width() const {
return max_width;
}
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void TabBar::set_scrolling_enabled(bool p_enabled) {
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scrolling_enabled = p_enabled;
}
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bool TabBar::get_scrolling_enabled() const {
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return scrolling_enabled;
}
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void TabBar::set_drag_to_rearrange_enabled(bool p_enabled) {
drag_to_rearrange_enabled = p_enabled;
}
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bool TabBar::get_drag_to_rearrange_enabled() const {
return drag_to_rearrange_enabled;
}
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void TabBar::set_tabs_rearrange_group(int p_group_id) {
tabs_rearrange_group = p_group_id;
}
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int TabBar::get_tabs_rearrange_group() const {
return tabs_rearrange_group;
}
void TabBar::set_scroll_to_selected(bool p_enabled) {
scroll_to_selected = p_enabled;
if (p_enabled) {
ensure_tab_visible(current);
}
}
bool TabBar::get_scroll_to_selected() const {
return scroll_to_selected;
}
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void TabBar::set_select_with_rmb(bool p_enabled) {
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select_with_rmb = p_enabled;
}
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bool TabBar::get_select_with_rmb() const {
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return select_with_rmb;
}
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bool TabBar::_set(const StringName &p_name, const Variant &p_value) {
Vector<String> components = String(p_name).split("/", true, 2);
if (components.size() >= 2 && components[0].begins_with("tab_") && components[0].trim_prefix("tab_").is_valid_int()) {
int tab_index = components[0].trim_prefix("tab_").to_int();
String property = components[1];
if (property == "title") {
set_tab_title(tab_index, p_value);
return true;
} else if (property == "icon") {
set_tab_icon(tab_index, p_value);
return true;
} else if (components[1] == "disabled") {
set_tab_disabled(tab_index, p_value);
return true;
}
}
return false;
}
bool TabBar::_get(const StringName &p_name, Variant &r_ret) const {
Vector<String> components = String(p_name).split("/", true, 2);
if (components.size() >= 2 && components[0].begins_with("tab_") && components[0].trim_prefix("tab_").is_valid_int()) {
int tab_index = components[0].trim_prefix("tab_").to_int();
String property = components[1];
if (property == "title") {
r_ret = get_tab_title(tab_index);
return true;
} else if (property == "icon") {
r_ret = get_tab_icon(tab_index);
return true;
} else if (components[1] == "disabled") {
r_ret = is_tab_disabled(tab_index);
return true;
}
}
return false;
}
void TabBar::_get_property_list(List<PropertyInfo> *p_list) const {
for (int i = 0; i < tabs.size(); i++) {
p_list->push_back(PropertyInfo(Variant::STRING, vformat("tab_%d/title", i)));
PropertyInfo pi = PropertyInfo(Variant::OBJECT, vformat("tab_%d/icon", i), PROPERTY_HINT_RESOURCE_TYPE, "Texture2D");
pi.usage &= ~(get_tab_icon(i).is_null() ? PROPERTY_USAGE_STORAGE : 0);
p_list->push_back(pi);
pi = PropertyInfo(Variant::BOOL, vformat("tab_%d/disabled", i));
pi.usage &= ~(!is_tab_disabled(i) ? PROPERTY_USAGE_STORAGE : 0);
p_list->push_back(pi);
}
}
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void TabBar::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_tab_count", "count"), &TabBar::set_tab_count);
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ClassDB::bind_method(D_METHOD("get_tab_count"), &TabBar::get_tab_count);
ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &TabBar::set_current_tab);
ClassDB::bind_method(D_METHOD("get_current_tab"), &TabBar::get_current_tab);
ClassDB::bind_method(D_METHOD("get_previous_tab"), &TabBar::get_previous_tab);
ClassDB::bind_method(D_METHOD("select_previous_available"), &TabBar::select_previous_available);
ClassDB::bind_method(D_METHOD("select_next_available"), &TabBar::select_next_available);
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ClassDB::bind_method(D_METHOD("set_tab_title", "tab_idx", "title"), &TabBar::set_tab_title);
ClassDB::bind_method(D_METHOD("get_tab_title", "tab_idx"), &TabBar::get_tab_title);
ClassDB::bind_method(D_METHOD("set_tab_text_direction", "tab_idx", "direction"), &TabBar::set_tab_text_direction);
ClassDB::bind_method(D_METHOD("get_tab_text_direction", "tab_idx"), &TabBar::get_tab_text_direction);
ClassDB::bind_method(D_METHOD("set_tab_language", "tab_idx", "language"), &TabBar::set_tab_language);
ClassDB::bind_method(D_METHOD("get_tab_language", "tab_idx"), &TabBar::get_tab_language);
ClassDB::bind_method(D_METHOD("set_tab_icon", "tab_idx", "icon"), &TabBar::set_tab_icon);
ClassDB::bind_method(D_METHOD("get_tab_icon", "tab_idx"), &TabBar::get_tab_icon);
ClassDB::bind_method(D_METHOD("set_tab_icon_max_width", "tab_idx", "width"), &TabBar::set_tab_icon_max_width);
ClassDB::bind_method(D_METHOD("get_tab_icon_max_width", "tab_idx"), &TabBar::get_tab_icon_max_width);
ClassDB::bind_method(D_METHOD("set_tab_button_icon", "tab_idx", "icon"), &TabBar::set_tab_button_icon);
ClassDB::bind_method(D_METHOD("get_tab_button_icon", "tab_idx"), &TabBar::get_tab_button_icon);
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ClassDB::bind_method(D_METHOD("set_tab_disabled", "tab_idx", "disabled"), &TabBar::set_tab_disabled);
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ClassDB::bind_method(D_METHOD("is_tab_disabled", "tab_idx"), &TabBar::is_tab_disabled);
ClassDB::bind_method(D_METHOD("set_tab_hidden", "tab_idx", "hidden"), &TabBar::set_tab_hidden);
ClassDB::bind_method(D_METHOD("is_tab_hidden", "tab_idx"), &TabBar::is_tab_hidden);
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ClassDB::bind_method(D_METHOD("set_tab_metadata", "tab_idx", "metadata"), &TabBar::set_tab_metadata);
ClassDB::bind_method(D_METHOD("get_tab_metadata", "tab_idx"), &TabBar::get_tab_metadata);
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ClassDB::bind_method(D_METHOD("remove_tab", "tab_idx"), &TabBar::remove_tab);
ClassDB::bind_method(D_METHOD("add_tab", "title", "icon"), &TabBar::add_tab, DEFVAL(""), DEFVAL(Ref<Texture2D>()));
ClassDB::bind_method(D_METHOD("get_tab_idx_at_point", "point"), &TabBar::get_tab_idx_at_point);
ClassDB::bind_method(D_METHOD("set_tab_alignment", "alignment"), &TabBar::set_tab_alignment);
ClassDB::bind_method(D_METHOD("get_tab_alignment"), &TabBar::get_tab_alignment);
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ClassDB::bind_method(D_METHOD("set_clip_tabs", "clip_tabs"), &TabBar::set_clip_tabs);
ClassDB::bind_method(D_METHOD("get_clip_tabs"), &TabBar::get_clip_tabs);
ClassDB::bind_method(D_METHOD("get_tab_offset"), &TabBar::get_tab_offset);
ClassDB::bind_method(D_METHOD("get_offset_buttons_visible"), &TabBar::get_offset_buttons_visible);
ClassDB::bind_method(D_METHOD("ensure_tab_visible", "idx"), &TabBar::ensure_tab_visible);
ClassDB::bind_method(D_METHOD("get_tab_rect", "tab_idx"), &TabBar::get_tab_rect);
ClassDB::bind_method(D_METHOD("move_tab", "from", "to"), &TabBar::move_tab);
ClassDB::bind_method(D_METHOD("set_tab_close_display_policy", "policy"), &TabBar::set_tab_close_display_policy);
ClassDB::bind_method(D_METHOD("get_tab_close_display_policy"), &TabBar::get_tab_close_display_policy);
ClassDB::bind_method(D_METHOD("set_max_tab_width", "width"), &TabBar::set_max_tab_width);
ClassDB::bind_method(D_METHOD("get_max_tab_width"), &TabBar::get_max_tab_width);
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ClassDB::bind_method(D_METHOD("set_scrolling_enabled", "enabled"), &TabBar::set_scrolling_enabled);
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_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);
ClassDB::bind_method(D_METHOD("get_scroll_to_selected"), &TabBar::get_scroll_to_selected);
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ClassDB::bind_method(D_METHOD("set_select_with_rmb", "enabled"), &TabBar::set_select_with_rmb);
ClassDB::bind_method(D_METHOD("get_select_with_rmb"), &TabBar::get_select_with_rmb);
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ClassDB::bind_method(D_METHOD("clear_tabs"), &TabBar::clear_tabs);
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ADD_SIGNAL(MethodInfo("tab_selected", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_changed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_clicked", PropertyInfo(Variant::INT, "tab")));
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ADD_SIGNAL(MethodInfo("tab_rmb_clicked", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_close_pressed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_button_pressed", PropertyInfo(Variant::INT, "tab")));
ADD_SIGNAL(MethodInfo("tab_hovered", PropertyInfo(Variant::INT, "tab")));
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ADD_SIGNAL(MethodInfo("active_tab_rearranged", PropertyInfo(Variant::INT, "idx_to")));
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// "current_tab" property must come after "tab_count", otherwise the property isn't loaded correctly.
ADD_ARRAY_COUNT("Tabs", "tab_count", "set_tab_count", "get_tab_count", "tab_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "current_tab", PROPERTY_HINT_RANGE, "-1,4096,1"), "set_current_tab", "get_current_tab");
ADD_PROPERTY(PropertyInfo(Variant::INT, "tab_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_tab_alignment", "get_tab_alignment");
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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::INT, "max_tab_width", PROPERTY_HINT_RANGE, "0,99999,1,suffix:px"), "set_max_tab_width", "get_max_tab_width");
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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::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");
BIND_ENUM_CONSTANT(ALIGNMENT_LEFT);
BIND_ENUM_CONSTANT(ALIGNMENT_CENTER);
BIND_ENUM_CONSTANT(ALIGNMENT_RIGHT);
BIND_ENUM_CONSTANT(ALIGNMENT_MAX);
BIND_ENUM_CONSTANT(CLOSE_BUTTON_SHOW_NEVER);
BIND_ENUM_CONSTANT(CLOSE_BUTTON_SHOW_ACTIVE_ONLY);
BIND_ENUM_CONSTANT(CLOSE_BUTTON_SHOW_ALWAYS);
BIND_ENUM_CONSTANT(CLOSE_BUTTON_MAX);
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BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabBar, h_separation);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabBar, icon_max_width);
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");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabBar, tab_selected_style, "tab_selected");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabBar, tab_disabled_style, "tab_disabled");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabBar, tab_focus_style, "tab_focus");
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, TabBar, increment_icon, "increment");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, TabBar, increment_hl_icon, "increment_highlight");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, TabBar, decrement_icon, "decrement");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, TabBar, decrement_hl_icon, "decrement_highlight");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, TabBar, drop_mark_icon, "drop_mark");
BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, TabBar, drop_mark_color);
BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, TabBar, font_selected_color);
BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, TabBar, font_hovered_color);
BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, TabBar, font_unselected_color);
BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, TabBar, font_disabled_color);
BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, TabBar, font_outline_color);
BIND_THEME_ITEM(Theme::DATA_TYPE_FONT, TabBar, font);
BIND_THEME_ITEM(Theme::DATA_TYPE_FONT_SIZE, TabBar, font_size);
BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, TabBar, outline_size);
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, TabBar, close_icon, "close");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabBar, button_pressed_style, "button_pressed");
BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, TabBar, button_hl_style, "button_highlight");
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}
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TabBar::TabBar() {
set_size(Size2(get_size().width, get_minimum_size().height));
set_focus_mode(FOCUS_ALL);
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connect("mouse_exited", callable_mp(this, &TabBar::_on_mouse_exited));
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}