portapack-mayhem/firmware/application/ui/ui_btngrid.cpp
jLynx 033c4e9a5b
Formatted code (#1007)
* Updated style

* Updated files

* fixed new line

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2023-05-19 08:16:05 +12:00

235 lines
6.0 KiB
C++

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
* Copyright (C) 2019 Elia Yehuda (z4ziggy)
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ui_btngrid.hpp"
#include "rtc_time.hpp"
namespace ui {
/* BtnGridView **************************************************************/
BtnGridView::BtnGridView(
Rect new_parent_rect,
bool keep_highlight)
: keep_highlight{keep_highlight} {
set_parent_rect(new_parent_rect);
set_focusable(true);
signal_token_tick_second = rtc_time::signal_tick_second += [this]() {
this->on_tick_second();
};
add_child(&arrow_more);
arrow_more.set_focusable(false);
arrow_more.set_foreground(Color::black());
}
BtnGridView::~BtnGridView() {
rtc_time::signal_tick_second -= signal_token_tick_second;
for (auto item : menu_item_views) {
delete item;
}
}
void BtnGridView::set_max_rows(int rows) {
rows_ = rows;
}
int BtnGridView::rows() {
return rows_;
}
void BtnGridView::set_parent_rect(const Rect new_parent_rect) {
View::set_parent_rect(new_parent_rect);
displayed_max = (parent_rect().size().height() / button_h);
arrow_more.set_parent_rect({228, (Coord)(displayed_max * button_h), 8, 8});
displayed_max *= rows_;
// TODO: Clean this up :(
if (menu_item_views.size()) {
for (auto item : menu_item_views) {
remove_child(item);
delete item;
}
menu_item_views.clear();
}
button_w = 240 / rows_;
for (size_t c = 0; c < displayed_max; c++) {
auto item = new NewButton{};
menu_item_views.push_back(item);
add_child(item);
item->set_parent_rect({(int)(c % rows_) * button_w,
(int)(c / rows_) * button_h,
button_w, button_h});
}
update_items();
}
void BtnGridView::set_arrow_enabled(bool new_value) {
if (new_value) {
add_child(&arrow_more);
} else {
remove_child(&arrow_more);
}
};
void BtnGridView::on_tick_second() {
if (more && blink)
arrow_more.set_foreground(Color::white());
else
arrow_more.set_foreground(Color::black());
blink = !blink;
arrow_more.set_dirty();
}
void BtnGridView::clear() {
menu_items.clear();
}
void BtnGridView::add_items(std::initializer_list<GridItem> new_items) {
for (auto item : new_items) {
menu_items.push_back(item);
}
update_items();
}
void BtnGridView::update_items() {
size_t i = 0;
if ((menu_items.size()) > (displayed_max + offset)) {
more = true;
blink = true;
} else
more = false;
for (NewButton* item : menu_item_views) {
if ((i + offset) >= menu_items.size()) {
item->hidden(true);
item->set_text(" ");
item->set_bitmap(nullptr);
item->on_select = []() {};
item->set_dirty();
} else {
// Assign item data to NewButtons according to offset
item->hidden(false);
item->set_text(menu_items[i + offset].text);
item->set_bitmap(menu_items[i + offset].bitmap);
item->set_color(menu_items[i + offset].color);
item->on_select = menu_items[i + offset].on_select;
item->set_dirty();
}
i++;
}
}
NewButton* BtnGridView::item_view(size_t index) const {
return menu_item_views[index];
}
bool BtnGridView::set_highlighted(int32_t new_value) {
int32_t item_count = (int32_t)menu_items.size();
if (new_value < 0)
return false;
if (new_value >= item_count)
new_value = item_count - 1;
if (((uint32_t)new_value > offset) && ((new_value - offset) >= displayed_max)) {
// Shift BtnGridView up
highlighted_item = new_value;
offset = new_value - displayed_max + rows_;
update_items();
set_dirty();
} else if ((uint32_t)new_value < offset) {
// Shift BtnGridView down
highlighted_item = new_value;
offset = (new_value / rows_) * rows_;
update_items();
set_dirty();
} else {
// Just update highlight
highlighted_item = new_value;
}
if (visible())
item_view(highlighted_item - offset)->focus();
return true;
}
uint32_t BtnGridView::highlighted_index() {
return highlighted_item;
}
void BtnGridView::on_focus() {
item_view(highlighted_item - offset)->focus();
}
void BtnGridView::on_blur() {
#if 0
if (!keep_highlight)
item_view(highlighted_item - offset)->unhighlight();
#endif
}
bool BtnGridView::on_key(const KeyEvent key) {
switch (key) {
case KeyEvent::Up:
return set_highlighted(highlighted_item - rows_);
case KeyEvent::Down:
return set_highlighted(highlighted_item + rows_);
case KeyEvent::Right:
return set_highlighted(highlighted_item + 1);
case KeyEvent::Left:
return set_highlighted(highlighted_item - 1);
case KeyEvent::Select:
if (menu_items[highlighted_item].on_select) {
menu_items[highlighted_item].on_select();
}
return true;
default:
return false;
}
}
bool BtnGridView::on_encoder(const EncoderEvent event) {
return set_highlighted(highlighted_item + event);
}
} /* namespace ui */