mirror of
https://github.com/UpsilonNumworks/Upsilon.git
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193 lines
8.7 KiB
C++
193 lines
8.7 KiB
C++
#include <assert.h>
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#include "../init.h"
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#include "fltkkbd.h"
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#include <FL/Fl_Repeat_Button.H>
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#undef None // TODO: Remove me
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constexpr int KeyboardRows = 9;
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constexpr int KeyboardColumns = 6;
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static const char* kCharForKey[Ion::Keyboard::NumberOfKeys] = {
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"\u25c1", "\u25b3", "\u25bd", "\u25b7", "OK", "\u21ba",
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"Home", "Power", "", "", "", "",
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"shift", "alpha", "x,n,t", "var", "Toolbox", "\u232b",
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"e\u02e3", "ln", "log", "i", ",", "x\u02b8",
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"sin", "cos", "tan", "\u03c0", "\u221a\u203e\u203e", "x\u00b2",
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"7", "8", "9", "(", ")", "",
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"4", "5", "6", "\u00d7", "\u00f7", "",
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"1", "2", "3", "+", "\u2212", "",
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"0", ".", "\u00d710\u02e3", "Ans", "EXE", ""
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};
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static const int kShortcutForKey[Ion::Keyboard::NumberOfKeys] = {
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FL_Left, FL_Up, FL_Down, FL_Right, FL_Enter, FL_Escape,
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FL_Home, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, FL_BackSpace,
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0, 0, 0, 0, ',', 0,
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0, 0, 0, 0, 0, 0,
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FL_SHIFT | '7', FL_SHIFT | '8', FL_SHIFT | '9', '(',')', 0,
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FL_SHIFT | '4', FL_SHIFT | '5', FL_SHIFT | '6', '*', '/', 0,
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FL_SHIFT | '1', FL_SHIFT | '2', FL_SHIFT | '3', '+', '-', 0,
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FL_SHIFT | '0', '.', 0, 0, FL_KP_Enter, 0
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};
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static void keyHandler(Fl_Widget *, long key) {
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if (currentEvent == Ion::Events::None) {
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currentEvent = Ion::Events::Event((Ion::Keyboard::Key)key,
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Ion::Events::isShiftActive(),
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Ion::Events::isAlphaActive());
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updateModifiersFromEvent(currentEvent);
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}
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}
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FltkKbd::FltkKbd(int x, int y, int w, int h) : Fl_Group(x, y, w, h) {
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initButtons(x, y, w, h);
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initAlphabetShortcuts();
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initOtherShortcuts();
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end();
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}
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static bool shouldRepeatKey(Ion::Keyboard::Key k) {
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return k <= Ion::Keyboard::Key::Right || k == Ion::Keyboard::Key::Back;
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}
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void FltkKbd::initButtons(int x, int y, int w, int h) {
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assert(KeyboardRows * KeyboardColumns == Ion::Keyboard::NumberOfKeys);
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int keyWidth = w / KeyboardColumns;
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int keyHeight = h / KeyboardRows;
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for (int k = 0; k < Ion::Keyboard::NumberOfKeys; k++) {
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int keyX = x + (k % KeyboardColumns) * keyWidth;
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int keyY = y + (k / KeyboardColumns) * keyHeight;
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if (shouldRepeatKey((Ion::Keyboard::Key)k)) {
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m_buttons[k] = new Fl_Repeat_Button(keyX, keyY, keyWidth, keyHeight, kCharForKey[k]);
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} else {
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m_buttons[k] = new Fl_Button(keyX, keyY, keyWidth, keyHeight, kCharForKey[k]);
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}
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#if defined(_WIN32) || defined(_WIN64)
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m_buttons[k]->labelfont(FL_SYMBOL);
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#endif
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if (kCharForKey[k][0] == '\0') {
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m_buttons[k]->deactivate();
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} else {
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m_buttons[k]->callback(keyHandler, k);
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}
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if (kShortcutForKey[k]) {
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m_buttons[k]->shortcut(kShortcutForKey[k]);
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}
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m_buttons[k]->clear_visible_focus();
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}
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}
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static void alphabetEventHandler(Fl_Widget *, long c) {
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static Ion::Events::Event lowerEvents[FltkKbd::sNumberOfLettersInAlphabet] = {
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Ion::Events::LowerA, Ion::Events::LowerB, Ion::Events::LowerC, Ion::Events::LowerD, Ion::Events::LowerE,
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Ion::Events::LowerF, Ion::Events::LowerG, Ion::Events::LowerH, Ion::Events::LowerI, Ion::Events::LowerJ,
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Ion::Events::LowerK, Ion::Events::LowerL, Ion::Events::LowerM, Ion::Events::LowerN, Ion::Events::LowerO,
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Ion::Events::LowerP, Ion::Events::LowerQ, Ion::Events::LowerR, Ion::Events::LowerS, Ion::Events::LowerT,
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Ion::Events::LowerU, Ion::Events::LowerV, Ion::Events::LowerW, Ion::Events::LowerX, Ion::Events::LowerY,
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Ion::Events::LowerZ};
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static Ion::Events::Event upperEvents[FltkKbd::sNumberOfLettersInAlphabet] = {
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Ion::Events::UpperA, Ion::Events::UpperB, Ion::Events::UpperC, Ion::Events::UpperD, Ion::Events::UpperE,
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Ion::Events::UpperF, Ion::Events::UpperG, Ion::Events::UpperH, Ion::Events::UpperI, Ion::Events::UpperJ,
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Ion::Events::UpperK, Ion::Events::UpperL, Ion::Events::UpperM, Ion::Events::UpperN, Ion::Events::UpperO,
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Ion::Events::UpperP, Ion::Events::UpperQ, Ion::Events::UpperR, Ion::Events::UpperS, Ion::Events::UpperT,
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Ion::Events::UpperU, Ion::Events::UpperV, Ion::Events::UpperW, Ion::Events::UpperX, Ion::Events::UpperY,
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Ion::Events::UpperZ};
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if (currentEvent == Ion::Events::None) {
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if (c >= 'a' && c <= 'z') {
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currentEvent = lowerEvents[c - 'a'];
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} else if (c >= 'A' && c <= 'Z') {
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currentEvent = upperEvents[c - 'A'];
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}
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}
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}
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void FltkKbd::initAlphabetShortcuts() {
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// Get keyboard letters event
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for (int k = 0; k < sNumberOfLettersInAlphabet; k++) {
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char l = 'a' + k;
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m_alphabetShortcuts[k] = new Fl_Button(0, 0, 0, 0, "");
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m_alphabetShortcuts[k]->callback(alphabetEventHandler, l);
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m_alphabetShortcuts[k]->shortcut(l);
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m_alphabetShortcuts[k]->clear_visible_focus();
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}
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for (int k = 0; k < sNumberOfLettersInAlphabet; k++) {
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char l = 'A' + k;
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int index = sNumberOfLettersInAlphabet + k;
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m_alphabetShortcuts[index] = new Fl_Button(0, 0, 0, 0, "");
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m_alphabetShortcuts[index]->callback(alphabetEventHandler, l);
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m_alphabetShortcuts[index]->shortcut(FL_SHIFT | ('a' + k));
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m_alphabetShortcuts[index]->clear_visible_focus();
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}
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}
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static void otherEventHandler(Fl_Widget *, long c) {
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if (currentEvent == Ion::Events::None) {
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currentEvent = Ion::Events::Event(c);
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}
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}
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void FltkKbd::initOtherShortcuts() {
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// Get other events
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for (int k = 0; k < sNumberOfOtherShortcuts; k++) {
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m_otherShortcuts[k] = new Fl_Button(0, 0, 0, 0, "");
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}
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int index = 0;
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Imaginary.id());
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m_otherShortcuts[index++]->shortcut(FL_ALT | 'i');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Comma.id());
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m_otherShortcuts[index++]->shortcut(',');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Power.id());
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m_otherShortcuts[index++]->shortcut('^');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::ShiftLeft.id());
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m_otherShortcuts[index++]->shortcut(FL_SHIFT | FL_Left);
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::ShiftRight.id());
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m_otherShortcuts[index++]->shortcut(FL_SHIFT | FL_Right);
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Cut.id());
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m_otherShortcuts[index++]->shortcut(FL_META | 'x');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Copy.id());
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m_otherShortcuts[index++]->shortcut(FL_META | 'c');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Paste.id());
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m_otherShortcuts[index++]->shortcut(FL_META | 'v');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Clear.id());
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m_otherShortcuts[index++]->shortcut(FL_META | FL_BackSpace);
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// TODO not working
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#if 0
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::LeftBracket.id());
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m_otherShortcuts[index++]->shortcut(FL_SHIFT | FL_ALT | '(');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::RightBracket.id());
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m_otherShortcuts[index++]->shortcut(FL_SHIFT | FL_ALT | ')');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::LeftBrace.id());
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m_otherShortcuts[index++]->shortcut(FL_ALT | '(');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::RightBrace.id());
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#endif
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m_otherShortcuts[index++]->shortcut(FL_ALT | ')');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Underscore.id());
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m_otherShortcuts[index++]->shortcut('_');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Equal.id());
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m_otherShortcuts[index++]->shortcut('=');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Lower.id());
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m_otherShortcuts[index++]->shortcut('<');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Greater.id());
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m_otherShortcuts[index++]->shortcut('>');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Colon.id());
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m_otherShortcuts[index++]->shortcut(':');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::SemiColon.id());
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m_otherShortcuts[index++]->shortcut(';');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::DoubleQuotes.id());
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m_otherShortcuts[index++]->shortcut('"');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Question.id());
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m_otherShortcuts[index++]->shortcut('?');
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m_otherShortcuts[index]->callback(otherEventHandler, Ion::Events::Exclamation.id());
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m_otherShortcuts[index++]->shortcut('!');
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assert(index == sNumberOfOtherShortcuts);
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for (int k = 0; k < sNumberOfOtherShortcuts; k++) {
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m_otherShortcuts[k]->clear_visible_focus();
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}
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}
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bool FltkKbd::key_down(Ion::Keyboard::Key key) {
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assert((int)key >= 0 && (int)key < Ion::Keyboard::NumberOfKeys);
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return m_buttons[(int)key]->value();
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}
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