mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-14 12:08:40 +00:00
723 lines
14 KiB
C++
723 lines
14 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ui_widget.hpp"
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#include "ui_painter.hpp"
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#include "portapack.hpp"
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#include <cstdint>
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#include <cstddef>
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#include <algorithm>
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namespace ui {
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static bool ui_dirty = true;
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void dirty_set() {
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ui_dirty = true;
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}
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void dirty_clear() {
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ui_dirty = false;
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}
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bool is_dirty() {
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return ui_dirty;
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}
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constexpr size_t to_string_max_length = 16;
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static char* to_string_dec_uint_internal(
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char* p,
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uint32_t n
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) {
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*p = 0;
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auto q = p;
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do {
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const uint32_t d = n % 10;
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const char c = d + 48;
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*(--q) = c;
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n /= 10;
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} while( n != 0 );
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return q;
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}
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static char* to_string_dec_uint_pad_internal(
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char* const term,
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const uint32_t n,
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const int32_t l,
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const char fill
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) {
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auto q = to_string_dec_uint_internal(term, n);
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if( fill ) {
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while( (term - q) < l ) {
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*(--q) = fill;
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}
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}
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return q;
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}
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std::string to_string_dec_uint(
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const uint32_t n,
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const int32_t l,
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const char fill
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) {
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char p[16];
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auto term = p + sizeof(p) - 1;
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auto q = to_string_dec_uint_pad_internal(term, n, l, fill);
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// Right justify.
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while( (term - q) < l ) {
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*(--q) = ' ';
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}
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return q;
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}
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std::string to_string_dec_int(
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const int32_t n,
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const int32_t l,
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const char fill
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) {
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const size_t negative = (n < 0) ? 1 : 0;
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uint32_t n_abs = negative ? -n : n;
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char p[16];
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auto term = p + sizeof(p) - 1;
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auto q = to_string_dec_uint_pad_internal(term, n_abs, l - negative, fill);
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// Add sign.
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if( negative ) {
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*(--q) = '-';
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}
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// Right justify.
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while( (term - q) < l ) {
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*(--q) = ' ';
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}
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return q;
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}
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static void to_string_hex_internal(char* p, const uint32_t n, const int32_t l) {
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const uint32_t d = n & 0xf;
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p[l] = (d > 9) ? (d + 87) : (d + 48);
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if( l > 0 ) {
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to_string_hex_internal(p, n >> 4, l - 1);
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}
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}
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std::string to_string_hex(const uint32_t n, const int32_t l) {
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char p[16];
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to_string_hex_internal(p, n, l - 1);
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p[l] = 0;
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return p;
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}
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/* Widget ****************************************************************/
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Point Widget::screen_pos() {
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return parent() ? (parent()->screen_pos() + parent_rect.pos) : parent_rect.pos;
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}
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Size Widget::size() const {
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return parent_rect.size;
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}
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Rect Widget::screen_rect() {
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return parent() ? (parent_rect + parent()->screen_pos()) : parent_rect;
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}
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void Widget::set_parent_rect(const Rect new_parent_rect) {
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parent_rect = new_parent_rect;
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set_dirty();
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}
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Widget* Widget::parent() const {
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return parent_;
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}
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void Widget::set_parent(Widget* const widget) {
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if( parent_ && !widget ) {
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// We have a parent, but are losing it. Update visible status.
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visible(false);
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}
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parent_ = widget;
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}
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void Widget::set_dirty() {
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flags.dirty = true;
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dirty_set();
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}
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bool Widget::dirty() const {
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return flags.dirty;
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}
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void Widget::set_clean() {
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flags.dirty = false;
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}
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void Widget::hidden(bool hide) {
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if( hide != flags.hidden ) {
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flags.hidden = hide;
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// If parent is hidden, either of these is a no-op.
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if( hide ) {
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parent()->set_dirty();
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/* TODO: Notify self and all non-hidden children that they're
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* now effectively hidden?
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*/
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} else {
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set_dirty();
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/* TODO: Notify self and all non-hidden children that they're
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* now effectively shown?
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*/
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}
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}
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}
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void Widget::focus() {
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context().focus_manager().set_focus_widget(this);
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}
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void Widget::on_focus() {
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//set_dirty();
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}
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void Widget::blur() {
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context().focus_manager().set_focus_widget(nullptr);
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}
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void Widget::on_blur() {
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//set_dirty();
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}
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bool Widget::focusable() const {
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return flags.focusable;
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}
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bool Widget::has_focus() {
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return (context().focus_manager().focus_widget() == this);
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}
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Widget* Widget::last_child_focus() const {
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return nullptr;
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}
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void Widget::set_last_child_focus(Widget* const child) {
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// Ignore.
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(void)child;
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}
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bool Widget::on_key(const KeyEvent event) {
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(void)event;
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return false;
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}
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bool Widget::on_encoder(const EncoderEvent event) {
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(void)event;
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return false;
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}
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bool Widget::on_touch(const TouchEvent event) {
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(void)event;
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return false;
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}
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const std::vector<Widget*> Widget::children() const {
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return { };
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}
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Context& Widget::context() const {
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return parent()->context();
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}
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void Widget::set_style(const Style* new_style) {
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if( new_style != style_ ) {
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style_ = new_style;
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set_dirty();
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}
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}
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const Style& Widget::style() const {
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return style_ ? *style_ : parent()->style();
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}
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void Widget::visible(bool v) {
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if( v != flags.visible ) {
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flags.visible = v;
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/* TODO: This on_show/on_hide implementation seems inelegant.
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* But I need *some* way to take/configure resources when
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* a widget becomes visible, and reverse the process when the
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* widget becomes invisible, whether the widget (or parent) is
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* hidden, or the widget (or parent) is removed from the tree.
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*/
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if( v ) {
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on_show();
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} else {
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on_hide();
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// Set all children invisible too.
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for(const auto child : children()) {
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child->visible(false);
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}
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}
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}
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}
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/* View ******************************************************************/
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void View::set_parent_rect(const Rect new_parent_rect) {
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Widget::set_parent_rect(new_parent_rect);
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dirty_screen_rect += screen_rect();
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}
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void View::paint(Painter& painter) {
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painter.fill_rectangle(
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screen_rect(),
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style().background
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);
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}
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void View::add_child(Widget* const widget) {
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if( widget ) {
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if( widget->parent() == nullptr ) {
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widget->set_parent(this);
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children_.push_back(widget);
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widget->set_dirty();
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}
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}
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}
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void View::add_children(const std::vector<Widget*>& children) {
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for(auto child : children) {
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add_child(child);
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}
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}
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void View::remove_child(Widget* const widget) {
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if( widget ) {
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children_.erase(std::remove(children_.begin(), children_.end(), widget), children_.end());
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dirty_screen_rect += widget->screen_rect();
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widget->set_parent(nullptr);
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if( dirty_screen_rect ) {
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set_dirty();
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}
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}
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}
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const std::vector<Widget*> View::children() const {
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return children_;
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}
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Widget* View::initial_focus() {
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return nullptr;
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}
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/* Rectangle *************************************************************/
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void Rectangle::set_color(const Color c) {
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color = c;
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set_dirty();
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}
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void Rectangle::paint(Painter& painter) {
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painter.fill_rectangle(
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screen_rect(),
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color
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);
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}
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/* Text ******************************************************************/
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void Text::set(const std::string value) {
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text = value;
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set_dirty();
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}
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void Text::paint(Painter& painter) {
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painter.draw_string(
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screen_pos(),
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style(),
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text
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);
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}
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/* Checkbox **************************************************************/
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void Checkbox::set_text(const std::string value) {
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text_ = value;
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set_dirty();
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}
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std::string Checkbox::text() const {
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return text_;
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}
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void Checkbox::set_value(const bool value) {
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value_ = value;
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set_dirty();
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}
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bool Checkbox::value() const {
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return value_;
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}
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void Checkbox::paint(Painter& painter) {
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const auto r = screen_rect();
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const auto paint_style = (has_focus() || flags.highlighted) ? style().invert() : style();
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painter.draw_rectangle({ r.pos.x, r.pos.y, 24, 24 }, style().foreground);
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painter.fill_rectangle(
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{
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static_cast<Coord>(r.pos.x + 1), static_cast<Coord>(r.pos.y + 1),
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static_cast<Dim>(24 - 2), static_cast<Dim>(24 - 2)
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},
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style().background
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);
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painter.draw_rectangle({ r.pos.x+2, r.pos.y+2, 24-4, 24-4 }, paint_style.background);
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if (value_ == true) {
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// Check
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portapack::display.draw_line( {r.pos.x+2, r.pos.y+14}, {r.pos.x+6, r.pos.y+18}, ui::Color::green());
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portapack::display.draw_line( {r.pos.x+6, r.pos.y+18}, {r.pos.x+20, r.pos.y+4}, ui::Color::green());
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} else {
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// Cross
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portapack::display.draw_line( {r.pos.x+1, r.pos.y+1}, {r.pos.x+24-2, r.pos.y+24-2}, ui::Color::red());
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portapack::display.draw_line( {r.pos.x+24-2, r.pos.y+1}, {r.pos.x+1, r.pos.y+24-2}, ui::Color::red());
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}
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const auto label_r = paint_style.font.size_of(text_);
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painter.draw_string(
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{
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static_cast<Coord>(r.pos.x + 24 + 4),
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static_cast<Coord>(r.pos.y + (24 - label_r.h) / 2)
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},
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paint_style,
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text_
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);
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}
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bool Checkbox::on_key(const KeyEvent key) {
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if( key == KeyEvent::Select ) {
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value_ = not value_;
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set_dirty();
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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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}
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return false;
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}
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bool Checkbox::on_touch(const TouchEvent event) {
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switch(event.type) {
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case TouchEvent::Type::Start:
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flags.highlighted = true;
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set_dirty();
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return true;
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case TouchEvent::Type::End:
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flags.highlighted = false;
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value_ = not value_;
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set_dirty();
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if( on_select ) {
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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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}
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#if 0
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switch(event.type) {
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case TouchEvent::Type::Start:
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flags.highlighted = true;
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set_dirty();
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return true;
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case TouchEvent::Type::Move:
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{
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const bool new_highlighted = screen_rect().contains(event.point);
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if( flags.highlighted != new_highlighted ) {
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flags.highlighted = new_highlighted;
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set_dirty();
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}
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}
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return true;
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case TouchEvent::Type::End:
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if( flags.highlighted ) {
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flags.highlighted = false;
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set_dirty();
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if( on_select ) {
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on_select(*this);
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}
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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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}
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#endif
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}
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/* Button ****************************************************************/
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void Button::set_text(const std::string value) {
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text_ = value;
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set_dirty();
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}
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void Button::set_text(const int value) { //std::string
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text_ = value;
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set_dirty();
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}
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void Button::set_style(const Style* new_style) {
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if( new_style != style_ ) {
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style_ = new_style;
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set_dirty();
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}
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}
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std::string Button::text() const {
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return text_;
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}
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void Button::paint(Painter& painter) {
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const auto r = screen_rect();
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if (style_ == nullptr) style_ = &style();
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const auto paint_style = (has_focus() || flags.highlighted) ? style_->invert() : *(style_);
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painter.draw_rectangle(r, style().foreground);
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painter.fill_rectangle(
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{
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static_cast<Coord>(r.pos.x + 1), static_cast<Coord>(r.pos.y + 1),
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static_cast<Dim>(r.size.w - 2), static_cast<Dim>(r.size.h - 2)
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},
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paint_style.background
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);
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const auto label_r = paint_style.font.size_of(text_);
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painter.draw_string(
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{
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static_cast<Coord>(r.pos.x + (r.size.w - label_r.w) / 2),
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static_cast<Coord>(r.pos.y + (r.size.h - label_r.h) / 2)
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},
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paint_style,
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text_
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);
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}
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bool Button::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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on_dir(*this, key);
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return false;
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}
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}
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return false;
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}
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|
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bool Button::on_touch(const TouchEvent event) {
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switch(event.type) {
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case TouchEvent::Type::Start:
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flags.highlighted = true;
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set_dirty();
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return true;
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|
|
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case TouchEvent::Type::End:
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flags.highlighted = false;
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set_dirty();
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if( on_select ) {
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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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}
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#if 0
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switch(event.type) {
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case TouchEvent::Type::Start:
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flags.highlighted = true;
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set_dirty();
|
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return true;
|
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|
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case TouchEvent::Type::Move:
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{
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const bool new_highlighted = screen_rect().contains(event.point);
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if( flags.highlighted != new_highlighted ) {
|
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flags.highlighted = new_highlighted;
|
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set_dirty();
|
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}
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}
|
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return true;
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|
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case TouchEvent::Type::End:
|
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if( flags.highlighted ) {
|
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flags.highlighted = false;
|
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set_dirty();
|
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if( on_select ) {
|
|
on_select(*this);
|
|
}
|
|
}
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* OptionsField **********************************************************/
|
|
|
|
size_t OptionsField::selected_index() const {
|
|
return selected_index_;
|
|
}
|
|
|
|
void OptionsField::set_selected_index(const size_t new_index) {
|
|
if( new_index < options.size() ) {
|
|
if( new_index != selected_index() ) {
|
|
selected_index_ = new_index;
|
|
if( on_change ) {
|
|
on_change(selected_index(), options[selected_index()].second);
|
|
}
|
|
set_dirty();
|
|
}
|
|
}
|
|
}
|
|
|
|
void OptionsField::set_by_value(value_t v) {
|
|
size_t new_index { 0 };
|
|
for(const auto& option : options) {
|
|
if( option.second >= v ) {
|
|
set_selected_index(new_index);
|
|
break;
|
|
}
|
|
new_index++;
|
|
}
|
|
}
|
|
|
|
void OptionsField::paint(Painter& painter) {
|
|
const auto paint_style = has_focus() ? style().invert() : style();
|
|
|
|
if( selected_index() < options.size() ) {
|
|
const auto text = options[selected_index()].first;
|
|
painter.draw_string(
|
|
screen_pos(),
|
|
paint_style,
|
|
text
|
|
);
|
|
}
|
|
}
|
|
|
|
bool OptionsField::on_encoder(const EncoderEvent delta) {
|
|
set_selected_index(selected_index() + delta);
|
|
return true;
|
|
}
|
|
|
|
bool OptionsField::on_touch(const TouchEvent event) {
|
|
if( event.type == TouchEvent::Type::Start ) {
|
|
focus();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/* NumberField ***********************************************************/
|
|
|
|
int32_t NumberField::value() const {
|
|
return value_;
|
|
}
|
|
|
|
void NumberField::set_value(int32_t new_value) {
|
|
new_value = clip_value(new_value);
|
|
|
|
if( new_value != value() ) {
|
|
value_ = new_value;
|
|
if( on_change ) {
|
|
on_change(value_);
|
|
}
|
|
set_dirty();
|
|
}
|
|
}
|
|
|
|
void NumberField::paint(Painter& painter) {
|
|
const auto text = to_string_dec_int(value_, length_, fill_char);
|
|
|
|
const auto paint_style = has_focus() ? style().invert() : style();
|
|
|
|
painter.draw_string(
|
|
screen_pos(),
|
|
paint_style,
|
|
text
|
|
);
|
|
}
|
|
|
|
bool NumberField::on_encoder(const EncoderEvent delta) {
|
|
set_value(value() + (delta * step));
|
|
return true;
|
|
}
|
|
|
|
bool NumberField::on_touch(const TouchEvent event) {
|
|
if( event.type == TouchEvent::Type::Start ) {
|
|
focus();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
int32_t NumberField::clip_value(int32_t value) {
|
|
if( value > range.second ) {
|
|
value = range.second;
|
|
}
|
|
if( value < range.first ) {
|
|
value = range.first;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
} /* namespace ui */
|