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Universal-Core/source/keyboard.cpp
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2021-08-28 20:54:11 -05:00

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/*
* This file is part of Universal-Core
* Copyright (C) 2021 Universal-Team
*
* 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*
* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
* * Requiring preservation of specified reasonable legal notices or
* author attributions in that material or in the Appropriate Legal
* Notices displayed by works containing it.
* * Prohibiting misrepresentation of the origin of that material,
* or requiring that modified versions of such material be marked in
* reasonable ways as different from the original version.
*/
#include "keyboard.hpp"
#include "gui.hpp"
#include "JSON.hpp"
#include "textUtils.hpp"
#include <unistd.h>
UCKeyboard::UCKeyboard(const std::string &KeyboardJSON, uint8_t BgColor, uint8_t BarColor, uint8_t OutlineColor, uint8_t KeyColor, uint8_t KeyColorPressed, uint8_t KeyColorActive, uint8_t TextColor, uint8_t HintColor) : BgColor(BgColor), BarColor(BarColor), OutlineColor(OutlineColor), KeyColor(KeyColor), KeyColorPressed(KeyColorPressed), KeyColorActive(KeyColorActive), TextColor(TextColor), HintColor(HintColor) {
FILE *File = fopen(KeyboardJSON.c_str(), "rt");
if (File) {
nlohmann::json Json = nlohmann::json::parse(File, nullptr, false);
fclose(File);
/* Clear. */
this->Kbd.clear();
this->CurrentMode.clear();
this->CurrentMode.push_back("!main");
if (Json.contains("info") && Json["info"].is_object()) {
/* UCKeyboard global X/Y offset */
if (Json["info"].contains("x") && Json["info"]["x"].is_number()) this->KbdX = Json["info"]["x"];
if (Json["info"].contains("y") && Json["info"]["y"].is_number()) this->KbdY = Json["info"]["y"];
};
if (Json.contains("layout") && Json["layout"].is_object()) {
/* Loop through each mode and parse a struct out of the JSON. */
for (const auto &Mode : Json["layout"].items()) {
if (Mode.value().is_object() && Mode.value().contains("keys") && Mode.value()["keys"].is_object()) {
this->Kbd[Mode.key()] = { };
/* Add all the keys*/
for (const auto &Key : Mode.value()["keys"].items()) {
/* Check that the positions are good. */
if (Key.value().is_array() && Key.value().size() >= 4) {
bool Good = true;
for (uint8_t Idx = 0; Idx < 4; Idx++) {
if (!Key.value()[Idx].is_number()) {
Good = false;
break;
};
};
if (Good) {
this->Kbd[Mode.key()].Keys.emplace_back(Structs::ButtonPos({ this->KbdX + Key.value()[0].get<int>(), this->KbdY + Key.value()[1].get<int>(), Key.value()[2], Key.value()[3] }), Key.key());
/* Check for any special properties. */
if (Key.value().size() >= 5 && Key.value()[4].is_object()) {
for (const auto &Property : Key.value()[4].items()) {
if (Property.key() == "key") {
if (Property.value().is_string()) {
this->Kbd[Mode.key()].Keys.back().Button = TextUtils::StrToKey(Property.value());
} else if (Property.value().is_array()) {
for (const auto &Button : Property.value()) {
if (Button.is_string()) {
this->Kbd[Mode.key()].Keys.back().Button |= TextUtils::StrToKey(Button);
};
};
};
} else if (Property.value().is_string()) {
if (Property.key() == "label") {
this->Kbd[Mode.key()].Keys.back().Label = Property.value();
} else {
Key::Property Prop = Key::Property::Invalid;
if (Property.key() == "action") Prop = Key::Property::Action;
else if (Property.key() == "mode") Prop = Key::Property::Mode;
else if (Property.key() == "value") Prop = Key::Property::Value;
this->Kbd[Mode.key()].Keys.back().Properties[Prop] = Property.value();
};
} else if (Property.value().is_boolean()) {
if (Property.key() == "active") this->Kbd[Mode.key()].Keys.back().Active = Property.value();
};
};
};
};
};
};
/* Check if this should return on key press. */
if (Mode.value().contains("return") && Mode.value()["return"].is_boolean()) {
this->Kbd[Mode.key()].Ret = Mode.value()["return"];
};
};
};
};
this->Loaded = true;
} else {
this->Loaded = false;
};
};
uint8_t UCKeyboard::GetCharSize(void) const {
const char *Str = this->CurrentString.c_str() + Cursor;
do {
Str++;
} while ((*Str & 0xC0) == 0x80);
return Str - this->CurrentString.c_str();
}
uint8_t UCKeyboard::GetPrevCharSize(void) const {
const char *Str = this->CurrentString.c_str() + Cursor;
do {
Str--;
} while ((*Str & 0xC0) == 0x80);
return this->CurrentString.c_str() - Str;
}
void UCKeyboard::Draw(uint32_t Held, uint32_t Repeat, touchPosition T) const {
Gui::clearTextBufs();
/* A sub menu or so? */
if (!this->Loaded) {
Gui::Draw_Rect(48, 0, 320, 20, this->BarColor);
Gui::Draw_Rect(48, 20, 320, 1, this->OutlineColor);
Gui::DrawStringCentered(24, 2, 1.0f, this->TextColor, "Invalid keyboard layout", 310);
} else {
Gui::Draw_Rect(0, 0, 320, 240, this->BgColor);
Gui::DrawStringCentered(24, 2, 1.0f, this->TextColor, this->CurrentString, 310);
if (this->Kbd.contains(this->CurrentMode.back())) {
for (const auto &Key : this->Kbd.at(this->CurrentMode.back()).Keys) {
Gui::Draw_Rect(Key.Pos.x, Key.Pos.y, Key.Pos.w, Key.Pos.h, (Key.Active || Key.Pos.Touched(T) || Held & Key.Button) ? this->KeyColorPressed : this->KeyColor);
Gui::DrawStringCentered(Key.Pos.x + (Key.Pos.w / 2) - 160, Key.Pos.y + (Key.Pos.h / 10), 1.0f, this->TextColor, Key.Label);
};
} else {
Gui::Draw_Rect(48, 0, 320, 20, this->BarColor);
Gui::Draw_Rect(48, 20, 320, 1, this->OutlineColor);
Gui::DrawStringCentered(24, 2, 1.0f, this->TextColor, "Invalid keyboard layout", 310);
};
};
Gui::updateTextBufs(false);
};
void UCKeyboard::SwitchLayout() const {
// TODO?
};
void UCKeyboard::Handler(uint32_t Held, uint32_t Repeat, touchPosition T) {
/* Handle Load. */
if (!this->Loaded)
return;
if (Repeat & KEY_TOUCH) {
/* Check if any key is being touched. */
for (const auto &Key : this->Kbd[this->CurrentMode.back()].Keys) {
if (Key.Pos.Touched(T)) {
this->HandleKeyPress(Key);
break;
};
};
} else if(Repeat) {
/* If not touching, then check all keys for button values. */
for (const auto &Key : this->Kbd[this->CurrentMode.back()].Keys) {
if (Repeat & Key.Button) {
this->HandleKeyPress(Key);
};
};
};
};
void UCKeyboard::HandleKeyPress(const Key &Key) {
/* Return to last non-returning layout. */
while (this->Kbd.at(this->CurrentMode.back()).Ret) this->CurrentMode.pop_back();
/* If the key has any special properties, then apply them. */
if (Key.Properties.size() > 0) {
for (const auto &[Prop, Value] : Key.Properties) {
switch (Prop) {
/* Special action, such as modifying other characters. */
case Key::Property::Action:
if (Value == "backspace") {
if (this->Cursor > 0) {
this->Cursor -= GetPrevCharSize();
this->CurrentString = this->CurrentString.substr(0, this->Cursor) + this->CurrentString.substr(this->Cursor + GetCharSize(), this->CurrentString.size());
};
} else if (Value == "delete") {
// TextEditor::Remove();
} else if (Value == "up") {
// TextEditor::CursorUp();
} else if (Value == "down") {
// TextEditor::CursorDown();
} else if (Value == "left") {
// TextEditor::CursorLeft();
} else if (Value == "right") {
// TextEditor::CursorRight();
} else if (Value == "dakuten" || Value == "handakuten") {
// bool Handakuten = Value == "handakuten";
// if (TextEditor::CursorPos > 0) {
// TextEditor::CursorLeft();
// const std::string Char = UniversalEdit::UE->CurrentFile->GetCharacter(TextEditor::CurrentLine, TextEditor::CursorPos);
// const std::string Out = TextUtils::Dakutenify(Char, Handakuten);
// UniversalEdit::UE->CurrentFile->EraseContent(TextEditor::CurrentLine, TextEditor::CursorPos, Char.size());
// if (UniversalEdit::UE->CurrentFile->InsertContent(TextEditor::CurrentLine, TextEditor::CursorPos, Out)) {
// TextEditor::CursorRight();
// if (Out.size() > Char.size()) TextEditor::CursorRight();
// };
// } else {
// if (UniversalEdit::UE->CurrentFile->InsertContent(TextEditor::CurrentLine, TextEditor::CursorPos, Handakuten ? "゜" : "゛")) {
// TextEditor::CursorPos += 3;
// };
// };
} else if (Value == "newline") {
// TextEditor::InsertLine();
} else if (Value == "exit") {
IsDone = true;
} else if (Value == "layout") {
this->SwitchLayout();
return; // Return to not mess up.
} else if (Value == "phrases") {
// UniversalEdit::UE->ActiveTab = UniversalEdit::Tabs::Phrases;
return;
};
break;
/* Changes mode, such as to Shift mode. */
case Key::Property::Mode:
if (this->Kbd.contains(Value)) this->CurrentMode.push_back(Value);
else if (Value == "!return" && this->CurrentMode.size() > 1) this->CurrentMode.pop_back();
break;
/* Output a value that's not the label. */
case Key::Property::Value:
if(this->CurrentString.size() + Value.size() < this->MaxSize) {
this->CurrentString += Value;
this->Cursor += Value.size();
};
break;
case Key::Property::Invalid:
break;
};
};
} else {
nocashMessage(Key.Label.c_str());
/* Otherwise, just output the label */
if(this->CurrentString.size() + Key.Label.size() < this->MaxSize) {
nocashMessage("adding");
this->CurrentString += Key.Label;
this->Cursor += Key.Label.size();
};
};
};
std::string UCKeyboard::GetString(uint MaxSize, const std::string &Hint) {
this->MaxSize = MaxSize == 0 ? 0xFFFFFFFF : 0;
u32 Held = 0, Repeat = 0;
touchPosition T;
while(1) {
this->Draw(Held, Repeat, T);
this->Handler(Held, Repeat, T);
do {
swiWaitForVBlank();
scanKeys();
Held = keysHeld();
Repeat = keysDownRepeat();
touchRead(&T);
SCALE_3DS(T.px);
SCALE_3DS(T.py);
} while (!Held);
if (Held & KEY_START) {
break;
};
};
return this->CurrentString;
};