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godot/scene/gui/item_list.cpp

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/*************************************************************************/
/* item_list.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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 "item_list.h"
#include "os/os.h"
#include "project_settings.h"
void ItemList::add_item(const String &p_item, const Ref<Texture> &p_texture, bool p_selectable) {
Item item;
item.icon = p_texture;
item.icon_region = Rect2i();
item.text = p_item;
item.selectable = p_selectable;
item.selected = false;
item.disabled = false;
item.tooltip_enabled = true;
item.custom_bg = Color(0, 0, 0, 0);
items.push_back(item);
update();
shape_changed = true;
}
void ItemList::add_icon_item(const Ref<Texture> &p_item, bool p_selectable) {
Item item;
item.icon = p_item;
item.icon_region = Rect2i();
//item.text=p_item;
item.selectable = p_selectable;
item.selected = false;
item.disabled = false;
item.tooltip_enabled = true;
item.custom_bg = Color(0, 0, 0, 0);
items.push_back(item);
update();
shape_changed = true;
}
void ItemList::set_item_text(int p_idx, const String &p_text) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].text = p_text;
update();
shape_changed = true;
}
String ItemList::get_item_text(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), String());
return items[p_idx].text;
}
void ItemList::set_item_tooltip_enabled(int p_idx, const bool p_enabled) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].tooltip_enabled = p_enabled;
}
bool ItemList::is_item_tooltip_enabled(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), false);
return items[p_idx].tooltip_enabled;
}
void ItemList::set_item_tooltip(int p_idx, const String &p_tooltip) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].tooltip = p_tooltip;
update();
shape_changed = true;
}
String ItemList::get_item_tooltip(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), String());
return items[p_idx].tooltip;
}
void ItemList::set_item_icon(int p_idx, const Ref<Texture> &p_icon) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].icon = p_icon;
update();
shape_changed = true;
}
Ref<Texture> ItemList::get_item_icon(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), Ref<Texture>());
return items[p_idx].icon;
}
void ItemList::set_item_icon_region(int p_idx, const Rect2 &p_region) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].icon_region = p_region;
update();
shape_changed = true;
}
Rect2 ItemList::get_item_icon_region(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), Rect2());
return items[p_idx].icon_region;
}
void ItemList::set_item_custom_bg_color(int p_idx, const Color &p_custom_bg_color) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].custom_bg = p_custom_bg_color;
}
Color ItemList::get_item_custom_bg_color(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), Color());
return items[p_idx].custom_bg;
}
void ItemList::set_item_custom_fg_color(int p_idx, const Color &p_custom_fg_color) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].custom_fg = p_custom_fg_color;
}
Color ItemList::get_item_custom_fg_color(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), Color());
return items[p_idx].custom_fg;
}
void ItemList::set_item_tag_icon(int p_idx, const Ref<Texture> &p_tag_icon) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].tag_icon = p_tag_icon;
update();
shape_changed = true;
}
Ref<Texture> ItemList::get_item_tag_icon(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), Ref<Texture>());
return items[p_idx].tag_icon;
}
void ItemList::set_item_selectable(int p_idx, bool p_selectable) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].selectable = p_selectable;
}
bool ItemList::is_item_selectable(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), false);
return items[p_idx].selectable;
}
void ItemList::set_item_disabled(int p_idx, bool p_disabled) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].disabled = p_disabled;
update();
}
bool ItemList::is_item_disabled(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), false);
return items[p_idx].disabled;
}
void ItemList::set_item_metadata(int p_idx, const Variant &p_metadata) {
ERR_FAIL_INDEX(p_idx, items.size());
items[p_idx].metadata = p_metadata;
update();
shape_changed = true;
}
Variant ItemList::get_item_metadata(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), Variant());
return items[p_idx].metadata;
}
void ItemList::select(int p_idx, bool p_single) {
ERR_FAIL_INDEX(p_idx, items.size());
if (p_single || select_mode == SELECT_SINGLE) {
if (!items[p_idx].selectable || items[p_idx].disabled) {
return;
}
for (int i = 0; i < items.size(); i++) {
items[i].selected = p_idx == i;
}
current = p_idx;
ensure_selected_visible = false;
} else {
if (items[p_idx].selectable && !items[p_idx].disabled) {
items[p_idx].selected = true;
}
}
update();
}
void ItemList::unselect(int p_idx) {
ERR_FAIL_INDEX(p_idx, items.size());
if (select_mode != SELECT_MULTI) {
items[p_idx].selected = false;
current = -1;
} else {
items[p_idx].selected = false;
}
update();
}
void ItemList::unselect_all() {
if (items.size() < 1)
return;
for (int i = 0; i < items.size(); i++) {
items[i].selected = false;
}
update();
}
bool ItemList::is_selected(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, items.size(), false);
return items[p_idx].selected;
}
void ItemList::set_current(int p_current) {
ERR_FAIL_INDEX(p_current, items.size());
if (select_mode == SELECT_SINGLE)
select(p_current, true);
else {
current = p_current;
update();
}
}
int ItemList::get_current() const {
return current;
}
void ItemList::move_item(int p_item, int p_to_pos) {
ERR_FAIL_INDEX(p_item, items.size());
ERR_FAIL_INDEX(p_to_pos, items.size() + 1);
Item it = items[p_item];
items.remove(p_item);
if (p_to_pos > p_item) {
p_to_pos--;
}
if (p_to_pos >= items.size()) {
items.push_back(it);
} else {
items.insert(p_to_pos, it);
}
if (current < 0) {
//do none
} else if (p_item == current) {
current = p_to_pos;
} else if (p_to_pos > p_item && current > p_item && current < p_to_pos) {
current--;
} else if (p_to_pos < p_item && current < p_item && current > p_to_pos) {
current++;
}
update();
}
int ItemList::get_item_count() const {
return items.size();
}
void ItemList::remove_item(int p_idx) {
ERR_FAIL_INDEX(p_idx, items.size());
items.remove(p_idx);
update();
shape_changed = true;
defer_select_single = -1;
}
void ItemList::clear() {
items.clear();
current = -1;
ensure_selected_visible = false;
update();
shape_changed = true;
defer_select_single = -1;
}
void ItemList::set_fixed_column_width(int p_size) {
ERR_FAIL_COND(p_size < 0);
fixed_column_width = p_size;
update();
shape_changed = true;
}
int ItemList::get_fixed_column_width() const {
return fixed_column_width;
}
void ItemList::set_same_column_width(bool p_enable) {
same_column_width = p_enable;
update();
shape_changed = true;
}
bool ItemList::is_same_column_width() const {
return same_column_width;
}
void ItemList::set_max_text_lines(int p_lines) {
ERR_FAIL_COND(p_lines < 1);
max_text_lines = p_lines;
update();
shape_changed = true;
}
int ItemList::get_max_text_lines() const {
return max_text_lines;
}
void ItemList::set_max_columns(int p_amount) {
ERR_FAIL_COND(p_amount < 0);
max_columns = p_amount;
update();
}
int ItemList::get_max_columns() const {
return max_columns;
}
void ItemList::set_select_mode(SelectMode p_mode) {
select_mode = p_mode;
update();
}
ItemList::SelectMode ItemList::get_select_mode() const {
return select_mode;
}
void ItemList::set_icon_mode(IconMode p_mode) {
icon_mode = p_mode;
update();
shape_changed = true;
}
ItemList::IconMode ItemList::get_icon_mode() const {
return icon_mode;
}
void ItemList::set_fixed_icon_size(const Size2 &p_size) {
fixed_icon_size = p_size;
update();
}
Size2 ItemList::get_fixed_icon_size() const {
return fixed_icon_size;
}
Size2 ItemList::Item::get_icon_size() const {
if (icon.is_null())
return Size2();
if (icon_region.has_no_area())
return icon->get_size();
return icon_region.size;
}
void ItemList::_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseMotion> mm = p_event;
if (defer_select_single >= 0 && mm.is_valid()) {
defer_select_single = -1;
return;
}
Ref<InputEventMouseButton> mb = p_event;
if (defer_select_single >= 0 && mb.is_valid() && mb->get_button_index() == BUTTON_LEFT && !mb->is_pressed()) {
select(defer_select_single, true);
emit_signal("multi_selected", defer_select_single, true);
defer_select_single = -1;
return;
}
if (mb.is_valid() && (mb->get_button_index() == BUTTON_LEFT || (allow_rmb_select && mb->get_button_index() == BUTTON_RIGHT)) && mb->is_pressed()) {
search_string = ""; //any mousepress cancels
Vector2 pos = mb->get_position();
Ref<StyleBox> bg = get_stylebox("bg");
pos -= bg->get_offset();
pos.y += scroll_bar->get_value();
int closest = -1;
for (int i = 0; i < items.size(); i++) {
Rect2 rc = items[i].rect_cache;
if (i % current_columns == current_columns - 1) {
rc.size.width = get_size().width; //not right but works
}
if (rc.has_point(pos)) {
closest = i;
break;
}
}
if (closest != -1) {
int i = closest;
if (select_mode == SELECT_MULTI && items[i].selected && mb->get_command()) {
unselect(i);
emit_signal("multi_selected", i, false);
} else if (select_mode == SELECT_MULTI && mb->get_shift() && current >= 0 && current < items.size() && current != i) {
int from = current;
int to = i;
if (i < current) {
SWAP(from, to);
}
for (int j = from; j <= to; j++) {
bool selected = !items[j].selected;
select(j, false);
if (selected)
emit_signal("multi_selected", i, true);
}
if (mb->get_button_index() == BUTTON_RIGHT) {
emit_signal("item_rmb_selected", i, get_local_mouse_position());
}
} else {
if (!mb->is_doubleclick() && !mb->get_command() && select_mode == SELECT_MULTI && items[i].selectable && !items[i].disabled && items[i].selected && mb->get_button_index() == BUTTON_LEFT) {
defer_select_single = i;
return;
}
if (items[i].selected && mb->get_button_index() == BUTTON_RIGHT) {
emit_signal("item_rmb_selected", i, get_local_mouse_position());
} else {
bool selected = !items[i].selected;
select(i, select_mode == SELECT_SINGLE || !mb->get_command());
if (selected) {
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", i);
} else
emit_signal("multi_selected", i, true);
}
if (mb->get_button_index() == BUTTON_RIGHT) {
emit_signal("item_rmb_selected", i, get_local_mouse_position());
} else if (/*select_mode==SELECT_SINGLE &&*/ mb->is_doubleclick()) {
emit_signal("item_activated", i);
}
}
}
return;
}
if (mb->get_button_index() == BUTTON_RIGHT) {
emit_signal("rmb_clicked", mb->get_position());
return;
}
// Since closest is null, more likely we clicked on empty space, so send signal to interested controls. Allows, for example, implement items deselecting.
emit_signal("nothing_selected");
}
if (mb.is_valid() && mb->get_button_index() == BUTTON_WHEEL_UP && mb->is_pressed()) {
scroll_bar->set_value(scroll_bar->get_value() - scroll_bar->get_page() * mb->get_factor() / 8);
}
if (mb.is_valid() && mb->get_button_index() == BUTTON_WHEEL_DOWN && mb->is_pressed()) {
scroll_bar->set_value(scroll_bar->get_value() + scroll_bar->get_page() * mb->get_factor() / 8);
}
if (p_event->is_pressed() && items.size() > 0) {
if (p_event->is_action("ui_up")) {
if (search_string != "") {
uint64_t now = OS::get_singleton()->get_ticks_msec();
uint64_t diff = now - search_time_msec;
if (diff < uint64_t(ProjectSettings::get_singleton()->get("gui/timers/incremental_search_max_interval_msec")) * 2) {
for (int i = current - 1; i >= 0; i--) {
if (items[i].text.begins_with(search_string)) {
set_current(i);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
break;
}
}
accept_event();
return;
}
}
if (current >= current_columns) {
set_current(current - current_columns);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
accept_event();
}
} else if (p_event->is_action("ui_down")) {
if (search_string != "") {
uint64_t now = OS::get_singleton()->get_ticks_msec();
uint64_t diff = now - search_time_msec;
if (diff < uint64_t(ProjectSettings::get_singleton()->get("gui/timers/incremental_search_max_interval_msec")) * 2) {
for (int i = current + 1; i < items.size(); i++) {
if (items[i].text.begins_with(search_string)) {
set_current(i);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
break;
}
}
accept_event();
return;
}
}
if (current < items.size() - current_columns) {
set_current(current + current_columns);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
accept_event();
}
} else if (p_event->is_action("ui_page_up")) {
search_string = ""; //any mousepress cancels
for (int i = 4; i > 0; i--) {
if (current - current_columns * i >= 0) {
set_current(current - current_columns * i);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
accept_event();
break;
}
}
} else if (p_event->is_action("ui_page_down")) {
search_string = ""; //any mousepress cancels
for (int i = 4; i > 0; i--) {
if (current + current_columns * i < items.size()) {
set_current(current + current_columns * i);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
accept_event();
break;
}
}
} else if (p_event->is_action("ui_left")) {
search_string = ""; //any mousepress cancels
if (current % current_columns != 0) {
set_current(current - 1);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
accept_event();
}
} else if (p_event->is_action("ui_right")) {
search_string = ""; //any mousepress cancels
if (current % current_columns != (current_columns - 1)) {
set_current(current + 1);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
accept_event();
}
} else if (p_event->is_action("ui_cancel")) {
search_string = "";
} else if (p_event->is_action("ui_select")) {
if (select_mode == SELECT_MULTI && current >= 0 && current < items.size()) {
if (items[current].selectable && !items[current].disabled && !items[current].selected) {
select(current, false);
emit_signal("multi_selected", current, true);
} else if (items[current].selected) {
unselect(current);
emit_signal("multi_selected", current, false);
}
}
} else if (p_event->is_action("ui_accept")) {
search_string = ""; //any mousepress cance
if (current >= 0 && current < items.size()) {
emit_signal("item_activated", current);
}
} else {
Ref<InputEventKey> k = p_event;
if (k.is_valid() && k->get_unicode()) {
uint64_t now = OS::get_singleton()->get_ticks_msec();
uint64_t diff = now - search_time_msec;
uint64_t max_interval = uint64_t(GLOBAL_DEF("gui/timers/incremental_search_max_interval_msec", 2000));
search_time_msec = now;
if (diff > max_interval) {
search_string = "";
}
search_string += String::chr(k->get_unicode());
for (int i = 0; i < items.size(); i++) {
if (items[i].text.begins_with(search_string)) {
set_current(i);
ensure_current_is_visible();
if (select_mode == SELECT_SINGLE) {
emit_signal("item_selected", current);
}
break;
}
}
}
}
}
Ref<InputEventPanGesture> pan_gesture = p_event;
if (pan_gesture.is_valid()) {
scroll_bar->set_value(scroll_bar->get_value() + scroll_bar->get_page() * pan_gesture->get_delta().y / 8);
}
}
void ItemList::ensure_current_is_visible() {
ensure_selected_visible = true;
update();
}
static Rect2 _adjust_to_max_size(Size2 p_size, Size2 p_max_size) {
Size2 size = p_max_size;
int tex_width = p_size.width * size.height / p_size.height;
int tex_height = size.height;
if (tex_width > size.width) {
tex_width = size.width;
tex_height = p_size.height * tex_width / p_size.width;
}
int ofs_x = (size.width - tex_width) / 2;
int ofs_y = (size.height - tex_height) / 2;
return Rect2(ofs_x, ofs_y, tex_width, tex_height);
}
void ItemList::_notification(int p_what) {
if (p_what == NOTIFICATION_RESIZED) {
shape_changed = true;
update();
}
if (p_what == NOTIFICATION_DRAW) {
Ref<StyleBox> bg = get_stylebox("bg");
int mw = scroll_bar->get_minimum_size().x;
scroll_bar->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_END, -mw);
scroll_bar->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0);
scroll_bar->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, bg->get_margin(MARGIN_TOP));
scroll_bar->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, -bg->get_margin(MARGIN_BOTTOM));
Size2 size = get_size();
int width = size.width - bg->get_minimum_size().width;
if (scroll_bar->is_visible()) {
width -= mw;
}
draw_style_box(bg, Rect2(Point2(), size));
int hseparation = get_constant("hseparation");
int vseparation = get_constant("vseparation");
int icon_margin = get_constant("icon_margin");
int line_separation = get_constant("line_separation");
Ref<StyleBox> sbsel = has_focus() ? get_stylebox("selected_focus") : get_stylebox("selected");
Ref<StyleBox> cursor = has_focus() ? get_stylebox("cursor") : get_stylebox("cursor_unfocused");
Ref<Font> font = get_font("font");
Color guide_color = get_color("guide_color");
Color font_color = get_color("font_color");
Color font_color_selected = get_color("font_color_selected");
int font_height = font->get_height();
Vector<int> line_size_cache;
Vector<int> line_limit_cache;
if (max_text_lines) {
line_size_cache.resize(max_text_lines);
line_limit_cache.resize(max_text_lines);
}
if (has_focus()) {
VisualServer::get_singleton()->canvas_item_add_clip_ignore(get_canvas_item(), true);
draw_style_box(get_stylebox("bg_focus"), Rect2(Point2(), size));
VisualServer::get_singleton()->canvas_item_add_clip_ignore(get_canvas_item(), false);
}
if (shape_changed) {
float max_column_width = 0;
//1- compute item minimum sizes
for (int i = 0; i < items.size(); i++) {
Size2 minsize;
if (items[i].icon.is_valid()) {
if (fixed_icon_size.x > 0 && fixed_icon_size.y > 0) {
minsize = fixed_icon_size * icon_scale;
} else {
minsize = items[i].get_icon_size() * icon_scale;
}
if (items[i].text != "") {
if (icon_mode == ICON_MODE_TOP) {
minsize.y += icon_margin;
} else {
minsize.x += icon_margin;
}
}
}
if (items[i].text != "") {
Size2 s = font->get_string_size(items[i].text);
//s.width=MIN(s.width,fixed_column_width);
if (icon_mode == ICON_MODE_TOP) {
minsize.x = MAX(minsize.x, s.width);
if (max_text_lines > 0) {
minsize.y += (font_height + line_separation) * max_text_lines;
} else {
minsize.y += s.height;
}
} else {
minsize.y = MAX(minsize.y, s.height);
minsize.x += s.width;
}
}
if (fixed_column_width > 0)
minsize.x = fixed_column_width;
max_column_width = MAX(max_column_width, minsize.x);
// elements need to adapt to the selected size
minsize.y += vseparation;
minsize.x += hseparation;
items[i].rect_cache.size = minsize;
items[i].min_rect_cache.size = minsize;
}
int fit_size = size.x - bg->get_minimum_size().width - mw;
//2-attempt best fit
current_columns = 0x7FFFFFFF;
if (max_columns > 0)
current_columns = max_columns;
while (true) {
//repeat util all fits
bool all_fit = true;
Vector2 ofs;
int col = 0;
int max_h = 0;
separators.clear();
for (int i = 0; i < items.size(); i++) {
if (current_columns > 1 && items[i].rect_cache.size.width + ofs.x > fit_size) {
//went past
current_columns = MAX(col, 1);
all_fit = false;
break;
}
if (same_column_width)
items[i].rect_cache.size.x = max_column_width;
items[i].rect_cache.position = ofs;
max_h = MAX(max_h, items[i].rect_cache.size.y);
ofs.x += items[i].rect_cache.size.x + hseparation;
col++;
if (col == current_columns) {
if (i < items.size() - 1)
separators.push_back(ofs.y + max_h + vseparation / 2);
for (int j = i; j >= 0 && col > 0; j--, col--) {
items[j].rect_cache.size.y = max_h;
}
ofs.x = 0;
ofs.y += max_h + vseparation;
col = 0;
max_h = 0;
}
}
for (int j = items.size() - 1; j >= 0 && col > 0; j--, col--) {
items[j].rect_cache.size.y = max_h;
}
if (all_fit) {
float page = size.height - bg->get_minimum_size().height;
float max = MAX(page, ofs.y + max_h);
if (auto_height)
auto_height_value = ofs.y + max_h + bg->get_minimum_size().height;
scroll_bar->set_max(max);
scroll_bar->set_page(page);
if (max <= page) {
scroll_bar->set_value(0);
scroll_bar->hide();
} else {
scroll_bar->show();
if (do_autoscroll_to_bottom)
scroll_bar->set_value(max);
}
break;
}
}
shape_changed = false;
}
//ensure_selected_visible needs to be checked before we draw the list.
if (ensure_selected_visible && current >= 0 && current <= items.size()) {
Rect2 r = items[current].rect_cache;
int from = scroll_bar->get_value();
int to = from + scroll_bar->get_page();
if (r.position.y < from) {
scroll_bar->set_value(r.position.y);
} else if (r.position.y + r.size.y > to) {
scroll_bar->set_value(r.position.y + r.size.y - (to - from));
}
}
ensure_selected_visible = false;
Vector2 base_ofs = bg->get_offset();
base_ofs.y -= int(scroll_bar->get_value());
Rect2 clip(Point2(), size - bg->get_minimum_size() + Vector2(0, scroll_bar->get_value()));
for (int i = 0; i < items.size(); i++) {
Rect2 rcache = items[i].rect_cache;
if (!clip.intersects(rcache))
continue;
if (current_columns == 1) {
rcache.size.width = width - rcache.position.x;
}
if (items[i].selected) {
Rect2 r = rcache;
r.position += base_ofs;
r.position.y -= vseparation / 2;
r.size.y += vseparation;
r.position.x -= hseparation / 2;
r.size.x += hseparation;
draw_style_box(sbsel, r);
}
if (items[i].custom_bg.a > 0.001) {
Rect2 r = rcache;
r.position += base_ofs;
// Size rect to make the align the temperature colors
r.position.y -= vseparation / 2;
r.size.y += vseparation;
r.position.x -= hseparation / 2;
r.size.x += hseparation;
draw_rect(r, items[i].custom_bg);
}
Vector2 text_ofs;
if (items[i].icon.is_valid()) {
Size2 icon_size;
//= _adjust_to_max_size(items[i].get_icon_size(),fixed_icon_size) * icon_scale;
if (fixed_icon_size.x > 0 && fixed_icon_size.y > 0) {
icon_size = fixed_icon_size * icon_scale;
} else {
icon_size = items[i].get_icon_size() * icon_scale;
}
Vector2 icon_ofs;
Point2 pos = items[i].rect_cache.position + icon_ofs + base_ofs;
if (icon_mode == ICON_MODE_TOP) {
pos.x += Math::floor((items[i].rect_cache.size.width - icon_size.width) / 2);
pos.y += MIN(
Math::floor((items[i].rect_cache.size.height - icon_size.height) / 2),
items[i].rect_cache.size.height - items[i].min_rect_cache.size.height);
text_ofs.y = icon_size.height + icon_margin;
text_ofs.y += items[i].rect_cache.size.height - items[i].min_rect_cache.size.height;
} else {
pos.y += Math::floor((items[i].rect_cache.size.height - icon_size.height) / 2);
text_ofs.x = icon_size.width + icon_margin;
}
Rect2 draw_rect = Rect2(pos, icon_size);
if (fixed_icon_size.x > 0 && fixed_icon_size.y > 0) {
Rect2 adj = _adjust_to_max_size(items[i].get_icon_size() * icon_scale, icon_size);
draw_rect.position += adj.position;
draw_rect.size = adj.size;
}
Color modulate = Color(1, 1, 1, 1);
if (items[i].disabled)
modulate.a *= 0.5;
if (items[i].icon_region.has_no_area())
draw_texture_rect(items[i].icon, draw_rect, false, modulate);
else
draw_texture_rect_region(items[i].icon, draw_rect, items[i].icon_region, modulate);
}
if (items[i].tag_icon.is_valid()) {
draw_texture(items[i].tag_icon, items[i].rect_cache.position + base_ofs);
}
if (items[i].text != "") {
int max_len = -1;
Vector2 size = font->get_string_size(items[i].text);
if (fixed_column_width)
max_len = fixed_column_width;
else if (same_column_width)
max_len = items[i].rect_cache.size.x;
else
max_len = size.x;
Color modulate = items[i].selected ? font_color_selected : (items[i].custom_fg != Color() ? items[i].custom_fg : font_color);
if (items[i].disabled)
modulate.a *= 0.5;
if (icon_mode == ICON_MODE_TOP && max_text_lines > 0) {
int ss = items[i].text.length();
float ofs = 0;
int line = 0;
for (int j = 0; j <= ss; j++) {
int cs = j < ss ? font->get_char_size(items[i].text[j], items[i].text[j + 1]).x : 0;
if (ofs + cs > max_len || j == ss) {
line_limit_cache[line] = j;
line_size_cache[line] = ofs;
line++;
ofs = 0;
if (line >= max_text_lines)
break;
} else {
ofs += cs;
}
}
line = 0;
ofs = 0;
text_ofs.y += font->get_ascent();
text_ofs = text_ofs.floor();
text_ofs += base_ofs;
text_ofs += items[i].rect_cache.position;
for (int j = 0; j < ss; j++) {
if (j == line_limit_cache[line]) {
line++;
ofs = 0;
if (line >= max_text_lines)
break;
}
ofs += font->draw_char(get_canvas_item(), text_ofs + Vector2(ofs + (max_len - line_size_cache[line]) / 2, line * (font_height + line_separation)).floor(), items[i].text[j], items[i].text[j + 1], modulate);
}
//special multiline mode
} else {
if (fixed_column_width > 0)
size.x = MIN(size.x, fixed_column_width);
if (icon_mode == ICON_MODE_TOP) {
text_ofs.x += (items[i].rect_cache.size.width - size.x) / 2;
} else {
text_ofs.y += (items[i].rect_cache.size.height - size.y) / 2;
}
text_ofs.y += font->get_ascent();
text_ofs = text_ofs.floor();
text_ofs += base_ofs;
text_ofs += items[i].rect_cache.position;
draw_string(font, text_ofs, items[i].text, modulate, max_len + 1);
}
}
if (select_mode == SELECT_MULTI && i == current) {
Rect2 r = rcache;
r.position += base_ofs;
r.position.y -= vseparation / 2;
r.size.y += vseparation;
r.position.x -= hseparation / 2;
r.size.x += hseparation;
draw_style_box(cursor, r);
}
}
for (int i = 0; i < separators.size(); i++) {
draw_line(Vector2(bg->get_margin(MARGIN_LEFT), base_ofs.y + separators[i]), Vector2(width, base_ofs.y + separators[i]), guide_color);
}
}
}
void ItemList::_scroll_changed(double) {
update();
}
int ItemList::get_item_at_position(const Point2 &p_pos, bool p_exact) const {
Vector2 pos = p_pos;
Ref<StyleBox> bg = get_stylebox("bg");
pos -= bg->get_offset();
pos.y += scroll_bar->get_value();
int closest = -1;
int closest_dist = 0x7FFFFFFF;
for (int i = 0; i < items.size(); i++) {
Rect2 rc = items[i].rect_cache;
if (i % current_columns == current_columns - 1) {
rc.size.width = get_size().width; //not right but works
}
if (rc.has_point(pos)) {
closest = i;
break;
}
float dist = rc.distance_to(pos);
if (!p_exact && dist < closest_dist) {
closest = i;
closest_dist = dist;
}
}
return closest;
}
bool ItemList::is_pos_at_end_of_items(const Point2 &p_pos) const {
if (items.empty())
return true;
Vector2 pos = p_pos;
Ref<StyleBox> bg = get_stylebox("bg");
pos -= bg->get_offset();
pos.y += scroll_bar->get_value();
Rect2 endrect = items[items.size() - 1].rect_cache;
return (pos.y > endrect.position.y + endrect.size.y);
}
String ItemList::get_tooltip(const Point2 &p_pos) const {
int closest = get_item_at_position(p_pos);
if (closest != -1) {
if (!items[closest].tooltip_enabled) {
return "";
}
if (items[closest].tooltip != "") {
return items[closest].tooltip;
}
if (items[closest].text != "") {
return items[closest].text;
}
}
return Control::get_tooltip(p_pos);
}
void ItemList::sort_items_by_text() {
items.sort();
update();
shape_changed = true;
if (select_mode == SELECT_SINGLE) {
for (int i = 0; i < items.size(); i++) {
if (items[i].selected) {
select(i);
return;
}
}
}
}
int ItemList::find_metadata(const Variant &p_metadata) const {
for (int i = 0; i < items.size(); i++) {
if (items[i].metadata == p_metadata) {
return i;
}
}
return -1;
}
void ItemList::set_allow_rmb_select(bool p_allow) {
allow_rmb_select = p_allow;
}
bool ItemList::get_allow_rmb_select() const {
return allow_rmb_select;
}
void ItemList::set_icon_scale(real_t p_scale) {
icon_scale = p_scale;
}
real_t ItemList::get_icon_scale() const {
return icon_scale;
}
Vector<int> ItemList::get_selected_items() {
Vector<int> selected;
for (int i = 0; i < items.size(); i++) {
if (items[i].selected) {
selected.push_back(i);
if (this->select_mode == SELECT_SINGLE) {
break;
}
}
}
return selected;
}
bool ItemList::is_anything_selected() {
for (int i = 0; i < items.size(); i++) {
if (items[i].selected)
return true;
}
return false;
}
void ItemList::_set_items(const Array &p_items) {
ERR_FAIL_COND(p_items.size() % 3);
clear();
for (int i = 0; i < p_items.size(); i += 3) {
String text = p_items[i + 0];
Ref<Texture> icon = p_items[i + 1];
bool disabled = p_items[i + 2];
int idx = get_item_count();
add_item(text, icon);
set_item_disabled(idx, disabled);
}
}
Array ItemList::_get_items() const {
Array items;
for (int i = 0; i < get_item_count(); i++) {
items.push_back(get_item_text(i));
items.push_back(get_item_icon(i));
items.push_back(is_item_disabled(i));
}
return items;
}
Size2 ItemList::get_minimum_size() const {
if (auto_height) {
return Size2(0, auto_height_value);
}
return Size2();
}
void ItemList::set_autoscroll_to_bottom(const bool p_enable) {
do_autoscroll_to_bottom = p_enable;
}
void ItemList::set_auto_height(bool p_enable) {
auto_height = p_enable;
shape_changed = true;
update();
}
bool ItemList::has_auto_height() const {
return auto_height;
}
void ItemList::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_item", "text", "icon", "selectable"), &ItemList::add_item, DEFVAL(Variant()), DEFVAL(true));
ClassDB::bind_method(D_METHOD("add_icon_item", "icon", "selectable"), &ItemList::add_icon_item, DEFVAL(true));
ClassDB::bind_method(D_METHOD("set_item_text", "idx", "text"), &ItemList::set_item_text);
ClassDB::bind_method(D_METHOD("get_item_text", "idx"), &ItemList::get_item_text);
ClassDB::bind_method(D_METHOD("set_item_icon", "idx", "icon"), &ItemList::set_item_icon);
ClassDB::bind_method(D_METHOD("get_item_icon", "idx"), &ItemList::get_item_icon);
ClassDB::bind_method(D_METHOD("set_item_icon_region", "idx", "rect"), &ItemList::set_item_icon_region);
ClassDB::bind_method(D_METHOD("get_item_icon_region", "idx"), &ItemList::get_item_icon_region);
ClassDB::bind_method(D_METHOD("set_item_selectable", "idx", "selectable"), &ItemList::set_item_selectable);
ClassDB::bind_method(D_METHOD("is_item_selectable", "idx"), &ItemList::is_item_selectable);
ClassDB::bind_method(D_METHOD("set_item_disabled", "idx", "disabled"), &ItemList::set_item_disabled);
ClassDB::bind_method(D_METHOD("is_item_disabled", "idx"), &ItemList::is_item_disabled);
ClassDB::bind_method(D_METHOD("set_item_metadata", "idx", "metadata"), &ItemList::set_item_metadata);
ClassDB::bind_method(D_METHOD("get_item_metadata", "idx"), &ItemList::get_item_metadata);
ClassDB::bind_method(D_METHOD("set_item_custom_bg_color", "idx", "custom_bg_color"), &ItemList::set_item_custom_bg_color);
ClassDB::bind_method(D_METHOD("get_item_custom_bg_color", "idx"), &ItemList::get_item_custom_bg_color);
ClassDB::bind_method(D_METHOD("set_item_tooltip_enabled", "idx", "enable"), &ItemList::set_item_tooltip_enabled);
ClassDB::bind_method(D_METHOD("is_item_tooltip_enabled", "idx"), &ItemList::is_item_tooltip_enabled);
ClassDB::bind_method(D_METHOD("set_item_tooltip", "idx", "tooltip"), &ItemList::set_item_tooltip);
ClassDB::bind_method(D_METHOD("get_item_tooltip", "idx"), &ItemList::get_item_tooltip);
ClassDB::bind_method(D_METHOD("select", "idx", "single"), &ItemList::select, DEFVAL(true));
ClassDB::bind_method(D_METHOD("unselect", "idx"), &ItemList::unselect);
ClassDB::bind_method(D_METHOD("is_selected", "idx"), &ItemList::is_selected);
ClassDB::bind_method(D_METHOD("get_selected_items"), &ItemList::get_selected_items);
ClassDB::bind_method(D_METHOD("get_item_count"), &ItemList::get_item_count);
ClassDB::bind_method(D_METHOD("remove_item", "idx"), &ItemList::remove_item);
ClassDB::bind_method(D_METHOD("clear"), &ItemList::clear);
ClassDB::bind_method(D_METHOD("sort_items_by_text"), &ItemList::sort_items_by_text);
ClassDB::bind_method(D_METHOD("set_fixed_column_width", "width"), &ItemList::set_fixed_column_width);
ClassDB::bind_method(D_METHOD("get_fixed_column_width"), &ItemList::get_fixed_column_width);
ClassDB::bind_method(D_METHOD("set_same_column_width", "enable"), &ItemList::set_same_column_width);
ClassDB::bind_method(D_METHOD("is_same_column_width"), &ItemList::is_same_column_width);
ClassDB::bind_method(D_METHOD("set_max_text_lines", "lines"), &ItemList::set_max_text_lines);
ClassDB::bind_method(D_METHOD("get_max_text_lines"), &ItemList::get_max_text_lines);
ClassDB::bind_method(D_METHOD("set_max_columns", "amount"), &ItemList::set_max_columns);
ClassDB::bind_method(D_METHOD("get_max_columns"), &ItemList::get_max_columns);
ClassDB::bind_method(D_METHOD("set_select_mode", "mode"), &ItemList::set_select_mode);
ClassDB::bind_method(D_METHOD("get_select_mode"), &ItemList::get_select_mode);
ClassDB::bind_method(D_METHOD("set_icon_mode", "mode"), &ItemList::set_icon_mode);
ClassDB::bind_method(D_METHOD("get_icon_mode"), &ItemList::get_icon_mode);
ClassDB::bind_method(D_METHOD("set_fixed_icon_size", "size"), &ItemList::set_fixed_icon_size);
ClassDB::bind_method(D_METHOD("get_fixed_icon_size"), &ItemList::get_fixed_icon_size);
ClassDB::bind_method(D_METHOD("set_icon_scale", "scale"), &ItemList::set_icon_scale);
ClassDB::bind_method(D_METHOD("get_icon_scale"), &ItemList::get_icon_scale);
ClassDB::bind_method(D_METHOD("set_allow_rmb_select", "allow"), &ItemList::set_allow_rmb_select);
ClassDB::bind_method(D_METHOD("get_allow_rmb_select"), &ItemList::get_allow_rmb_select);
ClassDB::bind_method(D_METHOD("set_auto_height", "enable"), &ItemList::set_auto_height);
ClassDB::bind_method(D_METHOD("has_auto_height"), &ItemList::has_auto_height);
ClassDB::bind_method(D_METHOD("get_item_at_position", "position", "exact"), &ItemList::get_item_at_position, DEFVAL(false));
ClassDB::bind_method(D_METHOD("ensure_current_is_visible"), &ItemList::ensure_current_is_visible);
ClassDB::bind_method(D_METHOD("get_v_scroll"), &ItemList::get_v_scroll);
ClassDB::bind_method(D_METHOD("_scroll_changed"), &ItemList::_scroll_changed);
ClassDB::bind_method(D_METHOD("_gui_input"), &ItemList::_gui_input);
ClassDB::bind_method(D_METHOD("_set_items"), &ItemList::_set_items);
ClassDB::bind_method(D_METHOD("_get_items"), &ItemList::_get_items);
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "items", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_items", "_get_items");
ADD_PROPERTY(PropertyInfo(Variant::INT, "select_mode", PROPERTY_HINT_ENUM, "Single,Multi"), "set_select_mode", "get_select_mode");
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "allow_rmb_select"), "set_allow_rmb_select", "get_allow_rmb_select");
ADD_PROPERTYNO(PropertyInfo(Variant::INT, "max_text_lines"), "set_max_text_lines", "get_max_text_lines");
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "auto_height"), "set_auto_height", "has_auto_height");
ADD_GROUP("Columns", "");
ADD_PROPERTYNO(PropertyInfo(Variant::INT, "max_columns"), "set_max_columns", "get_max_columns");
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "same_column_width"), "set_same_column_width", "is_same_column_width");
ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "fixed_column_width"), "set_fixed_column_width", "get_fixed_column_width");
ADD_GROUP("Icon", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "icon_mode", PROPERTY_HINT_ENUM, "Top,Left"), "set_icon_mode", "get_icon_mode");
ADD_PROPERTYNO(PropertyInfo(Variant::REAL, "icon_scale"), "set_icon_scale", "get_icon_scale");
ADD_PROPERTYNO(PropertyInfo(Variant::REAL, "fixed_icon_size"), "set_fixed_icon_size", "get_fixed_icon_size");
BIND_ENUM_CONSTANT(ICON_MODE_TOP);
BIND_ENUM_CONSTANT(ICON_MODE_LEFT);
BIND_ENUM_CONSTANT(SELECT_SINGLE);
BIND_ENUM_CONSTANT(SELECT_MULTI);
ADD_SIGNAL(MethodInfo("item_selected", PropertyInfo(Variant::INT, "index")));
ADD_SIGNAL(MethodInfo("item_rmb_selected", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::VECTOR2, "at_position")));
ADD_SIGNAL(MethodInfo("multi_selected", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::BOOL, "selected")));
ADD_SIGNAL(MethodInfo("item_activated", PropertyInfo(Variant::INT, "index")));
ADD_SIGNAL(MethodInfo("rmb_clicked", PropertyInfo(Variant::VECTOR2, "at_position")));
ADD_SIGNAL(MethodInfo("nothing_selected"));
GLOBAL_DEF("gui/timers/incremental_search_max_interval_msec", 2000);
}
ItemList::ItemList() {
current = -1;
select_mode = SELECT_SINGLE;
icon_mode = ICON_MODE_LEFT;
fixed_column_width = 0;
same_column_width = false;
max_text_lines = 1;
max_columns = 1;
auto_height = false;
auto_height_value = 0.0f;
scroll_bar = memnew(VScrollBar);
add_child(scroll_bar);
shape_changed = true;
scroll_bar->connect("value_changed", this, "_scroll_changed");
set_focus_mode(FOCUS_ALL);
current_columns = 1;
search_time_msec = 0;
ensure_selected_visible = false;
defer_select_single = -1;
allow_rmb_select = false;
do_autoscroll_to_bottom = false;
icon_scale = 1.0f;
set_clip_contents(true);
}
ItemList::~ItemList() {
}
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