mayhem-firmware/firmware/application/ui/ui_menu.cpp
Kyle Reed a832bd433d
Fileman icon toolbar (#975)
* Add cut/copy/paste menu with icons
* Add icons, file limit to fileman
2023-05-11 22:46:38 +02:00

309 lines
6.9 KiB
C++

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
*
* 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_menu.hpp"
#include "rtc_time.hpp"
namespace ui {
/* MenuItemView **********************************************************/
void MenuItemView::set_item(MenuItem* item_) {
item = item_;
}
void MenuItemView::highlight() {
set_highlighted(true);
set_dirty();
}
void MenuItemView::unhighlight() {
set_highlighted(false);
set_dirty();
}
void MenuItemView::paint(Painter& painter) {
Coord offset_x { };
if (!item) return;
const auto r = screen_rect();
const auto paint_style = (highlighted() && (parent()->has_focus() || keep_highlight)) ? style().invert() : style();
const auto font_height = paint_style.font.line_height();
ui::Color final_item_color = (highlighted() && (parent()->has_focus() || keep_highlight)) ? paint_style.foreground : item->color;
ui::Color final_bg_color = (highlighted() && (parent()->has_focus() || keep_highlight)) ? item->color : paint_style.background;
if (final_item_color.v == final_bg_color.v) final_item_color = paint_style.foreground;
painter.fill_rectangle(
r,
final_bg_color
);
if (item->bitmap) {
painter.draw_bitmap(
{ r.location().x() + 4, r.location().y() + 4 },
*item->bitmap,
final_item_color,
final_bg_color
);
offset_x = 26;
} else
offset_x = 0;
Style text_style {
.font = paint_style.font,
.background = final_bg_color,
.foreground = final_item_color
};
painter.draw_string(
{ r.location().x() + offset_x, r.location().y() + (r.size().height() - font_height) / 2 },
text_style,
item->text
);
}
/* MenuView **************************************************************/
MenuView::MenuView(
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());
}
MenuView::~MenuView() {
rtc_time::signal_tick_second -= signal_token_tick_second;
for (auto item : menu_item_views) {
delete item;
}
}
void MenuView::set_parent_rect(const Rect new_parent_rect) {
View::set_parent_rect(new_parent_rect);
displayed_max = (parent_rect().size().height() / item_height);
arrow_more.set_parent_rect( { 228, (Coord)(displayed_max * item_height), 8, 8 } );
// TODO: Clean this up :(
if (menu_item_views.size()) {
for (auto item : menu_item_views) {
remove_child(item);
delete item;
}
menu_item_views.clear();
}
for (size_t c = 0; c < displayed_max; c++) {
auto item = new MenuItemView { keep_highlight };
menu_item_views.push_back(item);
add_child(item);
Coord y_pos = c * item_height;
item->set_parent_rect({
{ 0, y_pos },
{ size().width(), (Coord)item_height }
});
}
update_items();
}
void MenuView::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 MenuView::clear() {
for (auto item : menu_item_views) {
item->set_item(nullptr);
}
menu_items.clear();
highlighted_item = 0;
offset = 0;
}
size_t MenuView::item_count() const {
return menu_items.size();
}
void MenuView::add_item(MenuItem new_item) {
menu_items.push_back(new_item);
update_items();
}
void MenuView::add_items(std::initializer_list<MenuItem> new_items) {
for (auto item : new_items) {
add_item(item);
}
}
void MenuView::update_items() {
size_t i = 0;
if (menu_items.size() > displayed_max + offset) {
more = true;
blink = true;
} else
more = false;
for (auto item : menu_item_views) {
if (i >= menu_items.size()) break;
// Assign item data to MenuItemViews according to offset
item->set_item(&menu_items[i + offset]);
item->set_dirty();
if (highlighted_item == (i + offset)) {
item->highlight();
} else
item->unhighlight();
i++;
}
}
MenuItemView* MenuView::item_view(size_t index) const {
return menu_item_views[index];
}
bool MenuView::set_highlighted(int32_t new_value) {
int32_t item_count = (int32_t)menu_items.size();
if (new_value < 0 || item_count == 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 MenuView up
highlighted_item = new_value;
offset = new_value - displayed_max + 1;
update_items();
} else if ((uint32_t)new_value < offset) {
// Shift MenuView down
highlighted_item = new_value;
offset = new_value;
update_items();
} else {
// Just update highlight
item_view(highlighted_item - offset)->unhighlight();
highlighted_item = new_value;
item_view(highlighted_item - offset)->highlight();
}
if (on_highlight)
on_highlight();
return true;
}
uint32_t MenuView::highlighted_index() const {
return highlighted_item;
}
void MenuView::on_focus() {
item_view(highlighted_item - offset)->highlight();
}
void MenuView::on_blur() {
if (!keep_highlight)
item_view(highlighted_item - offset)->unhighlight();
}
bool MenuView::on_key(const KeyEvent key) {
switch(key) {
case KeyEvent::Up:
return set_highlighted(highlighted_item - 1);
case KeyEvent::Down:
return set_highlighted(highlighted_item + 1);
case KeyEvent::Select:
case KeyEvent::Right:
if( menu_items[highlighted_item].on_select ) {
menu_items[highlighted_item].on_select(key);
}
return true;
case KeyEvent::Left:
if( on_left ) {
on_left();
}
return true;
default:
return false;
}
}
bool MenuView::on_encoder(const EncoderEvent event) {
set_highlighted(highlighted_item + event);
return true;
}
/* TODO: This could be handled by default behavior, if the UI stack were to
* transmit consumable events from the top of the hit-stack down, and each
* MenuItem could respond to a touch and update its parent MenuView.
*/
/*
bool MenuView::on_touch(const TouchEvent event) {
size_t i = 0;
for(const auto child : children_) {
if( child->screen_rect().contains(event.point) ) {
return set_highlighted(i);
}
i++;
}
return false;
}
*/
} /* namespace ui */