daniel/QTeletextMaker
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Implement keymapping.

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This commit is contained in:
G.K.MacGregor
2021-02-08 21:39:17 +00:00
parent d6ac961e4d
commit 572c23b1ae
5 changed files with 648 additions and 50 deletions
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146
mainwidget.cpp
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@@ -34,6 +34,7 @@
#include "mainwidget.h"
#include "document.h"
#include "keymap.h"
#include "levelonecommands.h"
#include "levelonepage.h"
#include "render.h"
@@ -43,6 +44,7 @@ TeletextWidget::TeletextWidget(QFrame *parent) : QFrame(parent)
{
this->resize(QSize(480, 250));
this->setAttribute(Qt::WA_NoSystemBackground);
this->setAttribute(Qt::WA_InputMethodEnabled, true);
m_teletextDocument = new TeletextDocument();
m_levelOnePage = m_teletextDocument->currentSubPage();
m_pageRender.setTeletextPage(m_levelOnePage);
@@ -66,6 +68,17 @@ TeletextWidget::~TeletextWidget()
delete m_teletextDocument;
}
// Re-implemented so compose/dead keys work properly
void TeletextWidget::inputMethodEvent(QInputMethodEvent* event)
{
if (!event->commitString().isEmpty()) {
QKeyEvent keyEvent(QEvent::KeyPress, 0, Qt::NoModifier, event->commitString());
keyPressEvent(&keyEvent);
}
event->accept();
}
void TeletextWidget::subPageSelected()
{
m_levelOnePage = m_teletextDocument->currentSubPage();
@@ -223,55 +236,96 @@ void TeletextWidget::changeSize()
void TeletextWidget::keyPressEvent(QKeyEvent *event)
{
if (event->key() < 0x01000000) {
char keyPressed = *qPrintable(event->text());
// if (attributes[cursorRow][cursorColumn].mosaics && (keyPressed < 0x40 || keyPressed > 0x5f) && (((keyPressed >= '1' && keyPressed <= '9') && (event->modifiers() & Qt::KeypadModifier)) || (keyPressed >= 'a' && keyPressed <= 'z'))) {
if (m_pageRender.level1MosaicAttribute(m_teletextDocument->cursorRow(), m_teletextDocument->cursorColumn()) && (keyPressed < 0x40 || keyPressed > 0x5f) && (((keyPressed >= '1' && keyPressed <= '9') && (event->modifiers() & Qt::KeypadModifier)) || (keyPressed >= 'a' && keyPressed <= 'z'))) {
if (!(m_levelOnePage->character(m_teletextDocument->cursorRow(), m_teletextDocument->cursorColumn()) & 0x20))
setCharacter(0x20);
switch (event->key()) {
case Qt::Key_Q:
case Qt::Key_7:
toggleCharacterBit(0x01); // Top left
break;
case Qt::Key_W:
case Qt::Key_8:
toggleCharacterBit(0x02); // Top right
break;
case Qt::Key_A:
case Qt::Key_4:
toggleCharacterBit(0x04); // Middle left
break;
case Qt::Key_S:
case Qt::Key_5:
toggleCharacterBit(0x08); // Middle right
break;
case Qt::Key_Z:
case Qt::Key_1:
toggleCharacterBit(0x10); // Bottom left
break;
case Qt::Key_X:
case Qt::Key_2:
toggleCharacterBit(0x40); // Bottom right
break;
case Qt::Key_R:
case Qt::Key_9:
toggleCharacterBit(0x5f); // Invert
break;
case Qt::Key_F:
case Qt::Key_6:
toggleCharacterBit(0x7f); // Set all
break;
case Qt::Key_C:
case Qt::Key_3:
toggleCharacterBit(0x20); // Clear all
break;
// A character-typing key was pressed
// Try to keymap it, if not keymapped then plain ASCII code (may be) returned
char mappedKeyPress = keymapping[m_pageRender.level1CharSet(m_teletextDocument->cursorRow(), m_teletextDocument->cursorColumn())].value(event->text().at(0), *qPrintable(event->text()));
// If outside ASCII map then the character can't be represented by current Level 1 character set
// Map it to block character so it doesn't need to be inserted-between later on
if (mappedKeyPress & 0x80)
mappedKeyPress = 0x7f;
if (m_pageRender.level1MosaicAttribute(m_teletextDocument->cursorRow(), m_teletextDocument->cursorColumn()) && (mappedKeyPress < 0x40 || mappedKeyPress > 0x5f)) {
// We're on a mosaic and a blast-through character was NOT pressed
if (event->key() >= Qt::Key_1 && event->key() <= Qt::Key_9 && event->modifiers() & Qt::KeypadModifier) {
switch (event->key()) {
case Qt::Key_7:
toggleCharacterBit(0x01); // Top left
break;
case Qt::Key_8:
toggleCharacterBit(0x02); // Top right
break;
case Qt::Key_4:
toggleCharacterBit(0x04); // Middle left
break;
case Qt::Key_5:
toggleCharacterBit(0x08); // Middle right
break;
case Qt::Key_1:
toggleCharacterBit(0x10); // Bottom left
break;
case Qt::Key_2:
toggleCharacterBit(0x40); // Bottom right
break;
case Qt::Key_9:
toggleCharacterBit(0x5f); // Invert
break;
case Qt::Key_6:
toggleCharacterBit(0x7f); // Set all
break;
case Qt::Key_3:
toggleCharacterBit(0x20); // Clear all
break;
}
return;
}
if (event->key() == Qt::Key_Space) {
setCharacter(0x20);
return;
}
// This macro is defined in keymap.h if no native scan codes are defined
// for the platform we are compiling on
#ifndef QTTM_NONATIVESCANCODES
if (event->nativeScanCode() > 1) {
switch (event->nativeScanCode()) {
case mosaicNativeScanCodes[0]:
toggleCharacterBit(0x01); // Top left
break;
case mosaicNativeScanCodes[1]:
toggleCharacterBit(0x02); // Top right
break;
case mosaicNativeScanCodes[2]:
toggleCharacterBit(0x04); // Middle left
break;
case mosaicNativeScanCodes[3]:
toggleCharacterBit(0x08); // Middle right
break;
case mosaicNativeScanCodes[4]:
toggleCharacterBit(0x10); // Bottom left
break;
case mosaicNativeScanCodes[5]:
toggleCharacterBit(0x40); // Bottom right
break;
case mosaicNativeScanCodes[6]:
toggleCharacterBit(0x5f); // Invert
break;
case mosaicNativeScanCodes[7]:
toggleCharacterBit(0x7f); // Set all
break;
case mosaicNativeScanCodes[8]:
toggleCharacterBit(0x20); // Clear all
break;
}
return;
} else
qDebug("nativeScanCode not usable! Please use numeric keypad to toggle mosaic bits.");
#else
qDebug("nativeScanCode was not compiled in! Please use numeric keypad to toggle mosaic bits.");
#endif
// TODO some contingency plan if nativeScanCode didn't work?
return;
}
if (keyPressed == 0x20)
setCharacter((event->modifiers() & Qt::ShiftModifier) ? 0x7f : 0x20);
else
setCharacter(keyPressed);
setCharacter(mappedKeyPress);
return;
}
switch (event->key()) {