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https://github.com/eried/portapack-mayhem.git
synced 2025-06-20 12:54:33 -04:00
Freqman UI (#1255)
* FreqmanDB direct file * Clear UI for short lists * Final touches on freqlist UI. * Support vertical alignment in NewButton * New buttons in FreqMan * Wiring up UI to filewrapper actions * Work around empty file
This commit is contained in:
Kyle Reed
GitHub
parent
0c599f7d3a
commit
29e495a17f
23 changed files with 979 additions and 660 deletions
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@ -1,5 +1,7 @@
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/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2023 gullradriel, Nilorea Studio Inc.
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* Copyright (C) 2023 Kyle Reed
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*
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* This file is part of PortaPack.
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*
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@ -24,154 +26,143 @@
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#include "baseband_api.hpp"
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#include "utility.hpp"
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#include <algorithm>
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namespace ui {
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FreqManUIList::FreqManUIList(
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Rect parent_rect,
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bool instant_exec)
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FreqManUIList::FreqManUIList(Rect parent_rect)
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: Widget{parent_rect},
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instant_exec_{instant_exec} {
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visible_lines_{(unsigned)parent_rect.height() / char_height} {
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this->set_focusable(true);
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}
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void FreqManUIList::set_highlighted_index(int index) {
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if (freqlist_db == nullptr || (unsigned)(current_index + index) >= freqlist_db->size())
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return;
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if (index < 0) {
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index = 0;
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if (current_index > 0)
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current_index--;
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}
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if (index >= freqlist_nb_lines) {
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index = freqlist_nb_lines - 1;
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if ((unsigned)(current_index + index) < freqlist_db->size())
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current_index++;
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else
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current_index = freqlist_db->size() - freqlist_nb_lines - 1;
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}
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highlighted_index = index;
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}
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uint8_t FreqManUIList::get_index() {
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return current_index + highlighted_index;
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}
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void FreqManUIList::paint(Painter& painter) {
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freqlist_nb_lines = 0;
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const auto r = screen_rect();
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uint8_t focused = has_focus();
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const Rect r_widget_screen{r.left() + focused, r.top() + focused, r.width() - 2 * focused, r.height() - 2 * +focused};
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painter.fill_rectangle(
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r_widget_screen,
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Color::black());
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// only return after clearing the screen so previous entries are not shown anymore
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if (freqlist_db == nullptr || freqlist_db->size() == 0)
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auto rect = screen_rect();
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if (!db_ || db_->empty()) {
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auto line_position = rect.location() + Point{7 * 8, 6 * 16};
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painter.fill_rectangle(rect, Color::black());
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painter.draw_string(line_position, Styles::white, "Empty Category");
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return;
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// coloration if file is too big
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auto text_color = &Styles::white;
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if (freqlist_db->size() > FREQMAN_MAX_PER_FILE)
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text_color = &Styles::yellow;
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uint8_t nb_lines = 0;
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for (uint8_t it = current_index; it < freqlist_db->size(); it++) {
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uint8_t line_height = (int)nb_lines * char_height;
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if (line_height < (r.height() - char_height)) { // line is within the widget
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std::string description = freqman_item_string(*freqlist_db->at(it), 30);
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if (nb_lines == highlighted_index) {
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const Rect r_highlighted_freq{0, r.location().y() + (int)nb_lines * char_height, 240, char_height};
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painter.fill_rectangle(
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r_highlighted_freq,
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Color::white());
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painter.draw_string(
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{0, r.location().y() + (int)nb_lines * char_height},
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Styles::bg_white, description);
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} else {
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painter.draw_string(
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{0, r.location().y() + (int)nb_lines * char_height},
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*text_color, description);
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}
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}
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nb_lines++;
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} else {
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// rect is filled, we can break
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break;
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}
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}
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freqlist_nb_lines = nb_lines;
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if (has_focus() || highlighted()) {
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const Rect r_focus{r.left(), r.top(), r.width(), r.height()};
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painter.draw_rectangle(
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r_focus,
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Color::white());
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}
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}
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// Indicate when a file is too large by drawing in yellow.
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auto over_max = db_->entry_count() > freqman_default_max_entries;
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auto base_style = over_max ? &Styles::yellow : &Styles::white;
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void FreqManUIList::set_db(freqman_db& db) {
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freqlist_db = &db;
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if (db.size() == 0) {
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current_index = 0;
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highlighted_index = 0;
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} else {
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if ((unsigned)(current_index + highlighted_index) >= db.size()) {
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current_index = db.size() - 1 - highlighted_index;
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}
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if (current_index < 0) {
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current_index = 0;
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if (highlighted_index > 0)
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highlighted_index--;
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// TODO: could minimize redraw/re-read if necessary
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// with better change tracking.
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for (auto offset = 0u; offset < visible_lines_; ++offset) {
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// The whole frame needs to be cleared so every line 'slot'
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// is redrawn even when `text` just left empty.
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auto text = std::string{};
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auto index = start_index_ + offset;
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auto line_position = rect.location() + Point{4, 1 + (int)offset * char_height};
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// Highlight the selected item.
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auto style = (offset == selected_index_) ? &Styles::bg_white : base_style;
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if (index < db_->entry_count()) {
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auto entry = (*db_)[index];
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// db_ is directly backed by a file, so invalid lines cannot be
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// pre-filtered. Just show an empty 'slot' in this case.
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if (entry.type != freqman_type::Unknown)
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text = pretty_string(entry, line_max_length);
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}
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// Pad right with ' ' so trailing chars are cleaned up.
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// draw_glyph has less flicker than fill_rect when drawing.
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if (text.length() < line_max_length)
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text.resize(line_max_length, ' ');
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painter.draw_string(line_position, *style, text);
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}
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// Draw a bounding rectangle when focused.
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painter.draw_rectangle(rect, (has_focus() ? Color::white() : Color::black()));
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}
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void FreqManUIList::on_focus() {
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if (on_highlight)
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on_highlight(*this);
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set_dirty();
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}
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void FreqManUIList::on_blur() {
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set_dirty();
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}
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bool FreqManUIList::on_key(const KeyEvent key) {
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if (key == KeyEvent::Select) {
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if (on_select) {
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on_select(*this);
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return true;
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}
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} else {
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if (on_dir) {
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return on_dir(*this, key);
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}
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}
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return false;
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}
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if (!db_ || db_->empty())
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return false;
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bool FreqManUIList::on_touch(const TouchEvent event) {
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switch (event.type) {
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case TouchEvent::Type::Start:
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set_highlighted(true);
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set_dirty();
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if (on_touch_press) {
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on_touch_press(*this);
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}
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if (on_select && instant_exec_) {
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on_select(*this);
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}
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return true;
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case TouchEvent::Type::End:
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set_highlighted(false);
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set_dirty();
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if (on_touch_release) {
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on_touch_release(*this);
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}
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if (on_select && !instant_exec_) {
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on_select(*this);
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}
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return true;
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default:
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return false;
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if (key == KeyEvent::Select && on_select) {
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on_select(get_index());
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return true;
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} else if (key == KeyEvent::Right && on_leave) {
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on_leave();
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return true;
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}
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}
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bool FreqManUIList::on_encoder(EncoderEvent delta) {
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set_highlighted_index((int)highlighted_index + delta);
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auto delta = 0;
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if (key == KeyEvent::Up && get_index() > 0)
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delta = -1;
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else if (key == KeyEvent::Down && get_index() < db_->entry_count() - 1)
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delta = 1;
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else
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return false;
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adjust_selected_index(delta);
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set_dirty();
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return true;
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}
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bool FreqManUIList::on_encoder(EncoderEvent delta) {
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if (!db_ || db_->empty())
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return false;
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adjust_selected_index(delta);
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set_dirty();
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return true;
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}
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void FreqManUIList::set_parent_rect(Rect new_parent_rect) {
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visible_lines_ = new_parent_rect.height() / char_height;
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Widget::set_parent_rect(new_parent_rect);
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}
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void FreqManUIList::set_index(size_t index) {
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start_index_ = 0;
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selected_index_ = 0;
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adjust_selected_index(index);
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}
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size_t FreqManUIList::get_index() const {
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return start_index_ + selected_index_;
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}
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void FreqManUIList::set_db(FreqmanDB& db) {
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db_ = &db;
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start_index_ = 0;
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selected_index_ = 0;
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set_dirty();
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}
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void FreqManUIList::adjust_selected_index(int delta) {
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int32_t new_index = selected_index_ + delta;
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// The selection went off the top of the screen, move up.
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if (new_index < 0) {
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start_index_ = std::max<int32_t>(start_index_ + new_index, 0);
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selected_index_ = 0;
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}
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// Selection is off the bottom of the screen, move down.
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else if (new_index >= (int32_t)visible_lines_) {
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start_index_ = std::min<int32_t>(start_index_ + delta, db_->entry_count() - visible_lines_);
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selected_index_ = visible_lines_ - 1;
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}
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// Otherwise, scroll within the screen, but not past the end.
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else {
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selected_index_ = std::min<int32_t>(new_index, db_->entry_count() - 1);
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}
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}
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} /* namespace ui */
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