845 lines
22 KiB
C++
845 lines
22 KiB
C++
/*************************************************************************/
|
|
/* tabs.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
#include "tabs.h"
|
|
|
|
#include "message_queue.h"
|
|
|
|
Size2 Tabs::get_minimum_size() const {
|
|
|
|
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
|
|
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
|
|
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
|
|
Ref<Font> font = get_font("font");
|
|
|
|
Size2 ms(0, MAX(MAX(tab_bg->get_minimum_size().height, tab_fg->get_minimum_size().height), tab_disabled->get_minimum_size().height) + font->get_height());
|
|
|
|
for (int i = 0; i < tabs.size(); i++) {
|
|
|
|
Ref<Texture> tex = tabs[i].icon;
|
|
if (tex.is_valid()) {
|
|
ms.height = MAX(ms.height, tex->get_size().height);
|
|
if (tabs[i].text != "")
|
|
ms.width += get_constant("hseparation");
|
|
}
|
|
|
|
ms.width += font->get_string_size(tabs[i].text).width;
|
|
|
|
if (tabs[i].disabled)
|
|
ms.width += tab_disabled->get_minimum_size().width;
|
|
else if (current == i)
|
|
ms.width += tab_fg->get_minimum_size().width;
|
|
else
|
|
ms.width += tab_bg->get_minimum_size().width;
|
|
|
|
if (tabs[i].right_button.is_valid()) {
|
|
Ref<Texture> rb = tabs[i].right_button;
|
|
Size2 bms = rb->get_size();
|
|
bms.width += get_constant("hseparation");
|
|
ms.width += bms.width;
|
|
ms.height = MAX(bms.height + tab_bg->get_minimum_size().height, ms.height);
|
|
}
|
|
|
|
if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
|
|
Ref<Texture> cb = get_icon("close");
|
|
Size2 bms = cb->get_size();
|
|
bms.width += get_constant("hseparation");
|
|
ms.width += bms.width;
|
|
ms.height = MAX(bms.height + tab_bg->get_minimum_size().height, ms.height);
|
|
}
|
|
}
|
|
|
|
ms.width = 0; //TODO: should make this optional
|
|
return ms;
|
|
}
|
|
|
|
void Tabs::_gui_input(const Ref<InputEvent> &p_event) {
|
|
|
|
Ref<InputEventMouseMotion> mm = p_event;
|
|
|
|
if (mm.is_valid()) {
|
|
|
|
Point2 pos = mm->get_position();
|
|
|
|
highlight_arrow = -1;
|
|
if (buttons_visible) {
|
|
|
|
Ref<Texture> incr = get_icon("increment");
|
|
Ref<Texture> decr = get_icon("decrement");
|
|
|
|
int limit = get_size().width - incr->get_width() - decr->get_width();
|
|
|
|
if (pos.x > limit + decr->get_width()) {
|
|
highlight_arrow = 1;
|
|
} else if (pos.x > limit) {
|
|
highlight_arrow = 0;
|
|
}
|
|
}
|
|
|
|
// test hovering to display right or close button
|
|
int hover_now = -1;
|
|
int hover_buttons = -1;
|
|
for (int i = 0; i < tabs.size(); i++) {
|
|
|
|
if (i < offset)
|
|
continue;
|
|
|
|
Rect2 rect = get_tab_rect(i);
|
|
if (rect.has_point(pos)) {
|
|
hover_now = i;
|
|
}
|
|
if (tabs[i].rb_rect.has_point(pos)) {
|
|
rb_hover = i;
|
|
cb_hover = -1;
|
|
hover_buttons = i;
|
|
break;
|
|
} else if (!tabs[i].disabled && tabs[i].cb_rect.has_point(pos)) {
|
|
cb_hover = i;
|
|
rb_hover = -1;
|
|
hover_buttons = i;
|
|
break;
|
|
}
|
|
}
|
|
if (hover != hover_now) {
|
|
hover = hover_now;
|
|
emit_signal("tab_hover", hover);
|
|
}
|
|
|
|
if (hover_buttons == -1) { // no hover
|
|
rb_hover = hover_buttons;
|
|
cb_hover = hover_buttons;
|
|
}
|
|
update();
|
|
|
|
return;
|
|
}
|
|
|
|
Ref<InputEventMouseButton> mb = p_event;
|
|
|
|
if (rb_pressing && mb.is_valid() &&
|
|
!mb->is_pressed() &&
|
|
mb->get_button_index() == BUTTON_LEFT) {
|
|
|
|
if (rb_hover != -1) {
|
|
//pressed
|
|
emit_signal("right_button_pressed", rb_hover);
|
|
}
|
|
|
|
rb_pressing = false;
|
|
update();
|
|
}
|
|
|
|
if (cb_pressing && mb.is_valid() &&
|
|
!mb->is_pressed() &&
|
|
mb->get_button_index() == BUTTON_LEFT) {
|
|
|
|
if (cb_hover != -1) {
|
|
//pressed
|
|
emit_signal("tab_close", cb_hover);
|
|
}
|
|
|
|
cb_pressing = false;
|
|
update();
|
|
}
|
|
|
|
if (mb.is_valid() &&
|
|
mb->is_pressed() &&
|
|
mb->get_button_index() == BUTTON_LEFT) {
|
|
|
|
// clicks
|
|
Point2 pos(mb->get_position().x, mb->get_position().y);
|
|
|
|
if (buttons_visible) {
|
|
|
|
Ref<Texture> incr = get_icon("increment");
|
|
Ref<Texture> decr = get_icon("decrement");
|
|
|
|
int limit = get_size().width - incr->get_width() - decr->get_width();
|
|
|
|
if (pos.x > limit + decr->get_width()) {
|
|
if (missing_right) {
|
|
offset++;
|
|
update();
|
|
}
|
|
return;
|
|
} else if (pos.x > limit) {
|
|
if (offset > 0) {
|
|
offset--;
|
|
update();
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
int found = -1;
|
|
for (int i = 0; i < tabs.size(); i++) {
|
|
|
|
if (i < offset)
|
|
continue;
|
|
|
|
if (tabs[i].rb_rect.has_point(pos)) {
|
|
rb_pressing = true;
|
|
update();
|
|
return;
|
|
}
|
|
|
|
if (tabs[i].cb_rect.has_point(pos)) {
|
|
cb_pressing = true;
|
|
update();
|
|
return;
|
|
}
|
|
|
|
if (pos.x >= tabs[i].ofs_cache && pos.x < tabs[i].ofs_cache + tabs[i].size_cache) {
|
|
if (!tabs[i].disabled) {
|
|
found = i;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (found != -1) {
|
|
|
|
set_current_tab(found);
|
|
emit_signal("tab_clicked", found);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Tabs::_notification(int p_what) {
|
|
|
|
switch (p_what) {
|
|
|
|
case NOTIFICATION_MOUSE_EXIT: {
|
|
rb_hover = -1;
|
|
cb_hover = -1;
|
|
hover = -1;
|
|
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");
|
|
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
|
|
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
|
|
Ref<Font> font = get_font("font");
|
|
Color color_fg = get_color("font_color_fg");
|
|
Color color_bg = get_color("font_color_bg");
|
|
Color color_disabled = get_color("font_color_disabled");
|
|
Ref<Texture> close = get_icon("close");
|
|
|
|
int h = get_size().height;
|
|
int w = 0;
|
|
int mw = 0;
|
|
|
|
for (int i = 0; i < tabs.size(); i++) {
|
|
|
|
tabs[i].ofs_cache = mw;
|
|
mw += get_tab_width(i);
|
|
}
|
|
|
|
if (tab_align == ALIGN_CENTER) {
|
|
w = (get_size().width - mw) / 2;
|
|
} else if (tab_align == ALIGN_RIGHT) {
|
|
w = get_size().width - mw;
|
|
}
|
|
|
|
if (w < 0) {
|
|
w = 0;
|
|
}
|
|
|
|
Ref<Texture> incr = get_icon("increment");
|
|
Ref<Texture> decr = get_icon("decrement");
|
|
Ref<Texture> incr_hl = get_icon("increment_highlight");
|
|
Ref<Texture> decr_hl = get_icon("decrement_highlight");
|
|
|
|
int limit = get_size().width - incr->get_size().width - decr->get_size().width;
|
|
|
|
missing_right = false;
|
|
|
|
for (int i = 0; i < tabs.size(); i++) {
|
|
|
|
if (i < offset)
|
|
continue;
|
|
|
|
tabs[i].ofs_cache = w;
|
|
|
|
int lsize = tabs[i].size_cache;
|
|
|
|
Ref<StyleBox> sb;
|
|
Color col;
|
|
|
|
if (tabs[i].disabled) {
|
|
sb = tab_disabled;
|
|
col = color_disabled;
|
|
} else if (i == current) {
|
|
sb = tab_fg;
|
|
col = color_fg;
|
|
} else {
|
|
sb = tab_bg;
|
|
col = color_bg;
|
|
}
|
|
|
|
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);
|
|
|
|
Size2i sb_ms = sb->get_minimum_size();
|
|
Ref<Texture> icon = tabs[i].icon;
|
|
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 (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()), tabs[i].text, col, tabs[i].size_text);
|
|
|
|
w += tabs[i].size_text;
|
|
|
|
if (tabs[i].right_button.is_valid()) {
|
|
|
|
Ref<StyleBox> style = get_stylebox("button");
|
|
Ref<Texture> rb = tabs[i].right_button;
|
|
|
|
w += get_constant("hseparation");
|
|
|
|
Rect2 rb_rect;
|
|
rb_rect.size = style->get_minimum_size() + rb->get_size();
|
|
rb_rect.position.x = w;
|
|
rb_rect.position.y = sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - (rb_rect.size.y)) / 2;
|
|
|
|
if (rb_hover == i) {
|
|
if (rb_pressing)
|
|
get_stylebox("button_pressed")->draw(ci, rb_rect);
|
|
else
|
|
style->draw(ci, rb_rect);
|
|
}
|
|
|
|
rb->draw(ci, Point2i(w + style->get_margin(MARGIN_LEFT), rb_rect.position.y + style->get_margin(MARGIN_TOP)));
|
|
w += rb->get_width();
|
|
tabs[i].rb_rect = rb_rect;
|
|
}
|
|
|
|
if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
|
|
|
|
Ref<StyleBox> style = get_stylebox("button");
|
|
Ref<Texture> cb = close;
|
|
|
|
w += get_constant("hseparation");
|
|
|
|
Rect2 cb_rect;
|
|
cb_rect.size = style->get_minimum_size() + cb->get_size();
|
|
cb_rect.position.x = w;
|
|
cb_rect.position.y = sb->get_margin(MARGIN_TOP) + ((sb_rect.size.y - sb_ms.y) - (cb_rect.size.y)) / 2;
|
|
|
|
if (!tabs[i].disabled && cb_hover == i) {
|
|
if (cb_pressing)
|
|
get_stylebox("button_pressed")->draw(ci, cb_rect);
|
|
else
|
|
style->draw(ci, cb_rect);
|
|
}
|
|
|
|
cb->draw(ci, Point2i(w + style->get_margin(MARGIN_LEFT), cb_rect.position.y + style->get_margin(MARGIN_TOP)));
|
|
w += cb->get_width();
|
|
tabs[i].cb_rect = cb_rect;
|
|
}
|
|
|
|
w += sb->get_margin(MARGIN_RIGHT);
|
|
}
|
|
|
|
if (offset > 0 || missing_right) {
|
|
|
|
int vofs = (get_size().height - incr->get_size().height) / 2;
|
|
|
|
if (offset > 0)
|
|
draw_texture(highlight_arrow == 0 ? decr_hl : decr, Point2(limit, vofs));
|
|
else
|
|
draw_texture(decr, Point2(limit, 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));
|
|
else
|
|
draw_texture(incr, Point2(limit + decr->get_size().width, vofs), Color(1, 1, 1, 0.5));
|
|
|
|
buttons_visible = true;
|
|
} else {
|
|
buttons_visible = false;
|
|
}
|
|
|
|
} break;
|
|
}
|
|
}
|
|
|
|
int Tabs::get_tab_count() const {
|
|
|
|
return tabs.size();
|
|
}
|
|
|
|
void Tabs::set_current_tab(int p_current) {
|
|
|
|
if (current == p_current) return;
|
|
ERR_FAIL_INDEX(p_current, get_tab_count());
|
|
|
|
current = p_current;
|
|
|
|
_change_notify("current_tab");
|
|
_update_cache();
|
|
update();
|
|
|
|
emit_signal("tab_changed", p_current);
|
|
}
|
|
|
|
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());
|
|
tabs[p_tab].text = p_title;
|
|
update();
|
|
minimum_size_changed();
|
|
}
|
|
|
|
String Tabs::get_tab_title(int p_tab) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_tab, tabs.size(), "");
|
|
return tabs[p_tab].text;
|
|
}
|
|
|
|
void Tabs::set_tab_icon(int p_tab, const Ref<Texture> &p_icon) {
|
|
|
|
ERR_FAIL_INDEX(p_tab, tabs.size());
|
|
tabs[p_tab].icon = p_icon;
|
|
update();
|
|
minimum_size_changed();
|
|
}
|
|
|
|
Ref<Texture> Tabs::get_tab_icon(int p_tab) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture>());
|
|
return tabs[p_tab].icon;
|
|
}
|
|
|
|
void Tabs::set_tab_disabled(int p_tab, bool p_disabled) {
|
|
|
|
ERR_FAIL_INDEX(p_tab, tabs.size());
|
|
tabs[p_tab].disabled = p_disabled;
|
|
update();
|
|
}
|
|
bool Tabs::get_tab_disabled(int p_tab) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_tab, tabs.size(), false);
|
|
return tabs[p_tab].disabled;
|
|
}
|
|
|
|
void Tabs::set_tab_right_button(int p_tab, const Ref<Texture> &p_right_button) {
|
|
|
|
ERR_FAIL_INDEX(p_tab, tabs.size());
|
|
tabs[p_tab].right_button = p_right_button;
|
|
update();
|
|
minimum_size_changed();
|
|
}
|
|
Ref<Texture> Tabs::get_tab_right_button(int p_tab) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_tab, tabs.size(), Ref<Texture>());
|
|
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();
|
|
}
|
|
|
|
void Tabs::clear_tabs() {
|
|
tabs.clear();
|
|
current = 0;
|
|
update();
|
|
}
|
|
|
|
void Tabs::remove_tab(int p_idx) {
|
|
|
|
ERR_FAIL_INDEX(p_idx, tabs.size());
|
|
tabs.remove(p_idx);
|
|
if (current >= p_idx)
|
|
current--;
|
|
_update_cache();
|
|
update();
|
|
minimum_size_changed();
|
|
|
|
if (current < 0)
|
|
current = 0;
|
|
if (current >= tabs.size())
|
|
current = tabs.size() - 1;
|
|
|
|
_ensure_no_over_offset();
|
|
}
|
|
|
|
Variant Tabs::get_drag_data(const Point2 &p_point) {
|
|
|
|
return get_tab_idx_at_point(p_point);
|
|
}
|
|
|
|
bool Tabs::can_drop_data(const Point2 &p_point, const Variant &p_data) const {
|
|
|
|
return get_tab_idx_at_point(p_point) > -1;
|
|
}
|
|
|
|
void Tabs::drop_data(const Point2 &p_point, const Variant &p_data) {
|
|
|
|
int hover_now = get_tab_idx_at_point(p_point);
|
|
|
|
ERR_FAIL_INDEX(hover_now, tabs.size());
|
|
emit_signal("reposition_active_tab_request", hover_now);
|
|
}
|
|
|
|
int Tabs::get_tab_idx_at_point(const Point2 &p_point) const {
|
|
|
|
int hover_now = -1;
|
|
for (int i = 0; i < tabs.size(); i++) {
|
|
|
|
if (i < offset)
|
|
continue;
|
|
|
|
Rect2 rect = get_tab_rect(i);
|
|
if (rect.has_point(p_point)) {
|
|
hover_now = i;
|
|
}
|
|
}
|
|
|
|
return hover_now;
|
|
}
|
|
|
|
void Tabs::set_tab_align(TabAlign p_align) {
|
|
|
|
ERR_FAIL_INDEX(p_align, ALIGN_MAX);
|
|
tab_align = p_align;
|
|
update();
|
|
}
|
|
|
|
Tabs::TabAlign Tabs::get_tab_align() const {
|
|
|
|
return tab_align;
|
|
}
|
|
|
|
void Tabs::move_tab(int from, int to) {
|
|
|
|
if (from == to)
|
|
return;
|
|
|
|
ERR_FAIL_INDEX(from, tabs.size());
|
|
ERR_FAIL_INDEX(to, tabs.size());
|
|
|
|
Tab tab_from = tabs[from];
|
|
tabs.remove(from);
|
|
tabs.insert(to, tab_from);
|
|
|
|
_update_cache();
|
|
update();
|
|
}
|
|
|
|
int Tabs::get_tab_width(int p_idx) const {
|
|
|
|
ERR_FAIL_INDEX_V(p_idx, tabs.size(), 0);
|
|
|
|
Ref<StyleBox> tab_bg = get_stylebox("tab_bg");
|
|
Ref<StyleBox> tab_fg = get_stylebox("tab_fg");
|
|
Ref<StyleBox> tab_disabled = get_stylebox("tab_disabled");
|
|
Ref<Font> font = get_font("font");
|
|
|
|
int x = 0;
|
|
|
|
Ref<Texture> tex = tabs[p_idx].icon;
|
|
if (tex.is_valid()) {
|
|
x += tex->get_width();
|
|
if (tabs[p_idx].text != "")
|
|
x += get_constant("hseparation");
|
|
}
|
|
|
|
x += font->get_string_size(tabs[p_idx].text).width;
|
|
|
|
if (tabs[p_idx].disabled)
|
|
x += tab_disabled->get_minimum_size().width;
|
|
else if (current == p_idx)
|
|
x += tab_fg->get_minimum_size().width;
|
|
else
|
|
x += tab_bg->get_minimum_size().width;
|
|
|
|
if (tabs[p_idx].right_button.is_valid()) {
|
|
Ref<Texture> rb = tabs[p_idx].right_button;
|
|
x += rb->get_width();
|
|
x += get_constant("hseparation");
|
|
}
|
|
|
|
if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_idx == current)) {
|
|
Ref<Texture> cb = get_icon("close");
|
|
x += cb->get_width();
|
|
x += get_constant("hseparation");
|
|
}
|
|
|
|
return x;
|
|
}
|
|
|
|
void Tabs::_ensure_no_over_offset() {
|
|
|
|
if (!is_inside_tree())
|
|
return;
|
|
|
|
Ref<Texture> incr = get_icon("increment");
|
|
Ref<Texture> decr = get_icon("decrement");
|
|
|
|
int limit = get_size().width - incr->get_width() - decr->get_width();
|
|
|
|
while (offset > 0) {
|
|
|
|
int total_w = 0;
|
|
for (int i = 0; i < tabs.size(); i++) {
|
|
|
|
if (i < offset - 1)
|
|
continue;
|
|
|
|
total_w += tabs[i].size_cache;
|
|
}
|
|
|
|
if (total_w < limit) {
|
|
offset--;
|
|
update();
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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());
|
|
|
|
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();
|
|
for (int i = offset; i <= p_idx; i++) {
|
|
if (tabs[i].ofs_cache + tabs[i].size_cache > limit) {
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
if (prev_offset != offset) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
Rect2 Tabs::get_tab_rect(int p_tab) const {
|
|
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) {
|
|
|
|
ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX);
|
|
cb_displaypolicy = p_policy;
|
|
update();
|
|
}
|
|
|
|
Tabs::CloseButtonDisplayPolicy Tabs::get_tab_close_display_policy() const {
|
|
|
|
return cb_displaypolicy;
|
|
}
|
|
|
|
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);
|
|
ClassDB::bind_method(D_METHOD("get_tab_count"), &Tabs::get_tab_count);
|
|
ClassDB::bind_method(D_METHOD("set_current_tab", "tab_idx"), &Tabs::set_current_tab);
|
|
ClassDB::bind_method(D_METHOD("get_current_tab"), &Tabs::get_current_tab);
|
|
ClassDB::bind_method(D_METHOD("set_tab_title", "tab_idx", "title"), &Tabs::set_tab_title);
|
|
ClassDB::bind_method(D_METHOD("get_tab_title", "tab_idx"), &Tabs::get_tab_title);
|
|
ClassDB::bind_method(D_METHOD("set_tab_icon", "tab_idx", "icon"), &Tabs::set_tab_icon);
|
|
ClassDB::bind_method(D_METHOD("get_tab_icon", "tab_idx"), &Tabs::get_tab_icon);
|
|
ClassDB::bind_method(D_METHOD("set_tab_disabled", "tab_idx", "disabled"), &Tabs::set_tab_disabled);
|
|
ClassDB::bind_method(D_METHOD("get_tab_disabled", "tab_idx"), &Tabs::get_tab_disabled);
|
|
ClassDB::bind_method(D_METHOD("remove_tab", "tab_idx"), &Tabs::remove_tab);
|
|
ClassDB::bind_method(D_METHOD("add_tab", "title", "icon"), &Tabs::add_tab, DEFVAL(""), DEFVAL(Ref<Texture>()));
|
|
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("ensure_tab_visible", "idx"), &Tabs::ensure_tab_visible);
|
|
ClassDB::bind_method(D_METHOD("get_tab_rect", "tab_idx"), &Tabs::get_tab_rect);
|
|
ClassDB::bind_method(D_METHOD("move_tab", "from", "to"), &Tabs::move_tab);
|
|
ClassDB::bind_method(D_METHOD("set_tab_close_display_policy", "policy"), &Tabs::set_tab_close_display_policy);
|
|
ClassDB::bind_method(D_METHOD("get_tab_close_display_policy"), &Tabs::get_tab_close_display_policy);
|
|
|
|
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_SIGNAL(MethodInfo("reposition_active_tab_request", PropertyInfo(Variant::INT, "idx_to")));
|
|
ADD_SIGNAL(MethodInfo("tab_clicked", 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");
|
|
ADD_PROPERTYNZ(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");
|
|
|
|
BIND_ENUM_CONSTANT(ALIGN_LEFT);
|
|
BIND_ENUM_CONSTANT(ALIGN_CENTER);
|
|
BIND_ENUM_CONSTANT(ALIGN_RIGHT);
|
|
BIND_ENUM_CONSTANT(ALIGN_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);
|
|
}
|
|
|
|
Tabs::Tabs() {
|
|
|
|
current = 0;
|
|
tab_align = ALIGN_CENTER;
|
|
rb_hover = -1;
|
|
rb_pressing = false;
|
|
highlight_arrow = -1;
|
|
|
|
cb_hover = -1;
|
|
cb_pressing = false;
|
|
cb_displaypolicy = CLOSE_BUTTON_SHOW_NEVER;
|
|
offset = 0;
|
|
max_drawn_tab = 0;
|
|
|
|
min_width = 0;
|
|
}
|