Initial commit.

2020-09-06 16:47:38 +01:00
commit c24505796a
41 changed files with 6826 additions and 0 deletions
--- a/palettedockwidget.cpp
+++ b/palettedockwidget.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2020 Gavin MacGregor
+ *
+ * This file is part of QTeletextMaker.
+ *
+ * QTeletextMaker 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.
+ *
+ * QTeletextMaker 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 QTeletextMaker.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <QColorDialog>
+#include <QDialog>
+#include <QGridLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QUndoCommand>
+#include <math.h>
+
+#include "palettedockwidget.h"
+
+#include "document.h"
+#include "mainwidget.h"
+
+PaletteDockWidget::PaletteDockWidget(TeletextWidget *parent): QDockWidget(parent)
+{
+	QGridLayout *paletteGridLayout = new QGridLayout;
+	QWidget *paletteGridWidget = new QWidget;
+
+	m_parentMainWidget = parent;
+
+	this->setObjectName("PaletteDockWidget");
+	this->setWindowTitle("Palette");
+	for (int r=0, i=0; r<=3; r++) {
+		paletteGridLayout->addWidget(new QLabel(tr("CLUT %1").arg(r)), r, 0);
+		m_resetButton[r] = new QPushButton(tr("Reset"));
+		paletteGridLayout->addWidget(m_resetButton[r], r, 9);
+		connect(m_resetButton[r], &QAbstractButton::clicked, [=]() { resetCLUT(r); });
+		for (int c=0; c<=7; c++, i++) {
+			if (i == 8)
+				continue;
+			m_colourButton[i] = new QPushButton();
+			m_colourButton[i]->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+			paletteGridLayout->addWidget(m_colourButton[i], r, c+1);
+			connect(m_colourButton[i], &QAbstractButton::clicked, [=]() { selectColour(i); });
+		}
+	}
+	paletteGridWidget->setLayout(paletteGridLayout);
+	this->setWidget(paletteGridWidget);
+	connect(m_parentMainWidget->document(), &TeletextDocument::colourChanged, this, &PaletteDockWidget::updateColourButton);
+}
+
+void PaletteDockWidget::updateColourButton(int colourIndex)
+{
+	if (colourIndex == 8)
+		return;
+	QString colourString = QString("%1").arg(m_parentMainWidget->document()->currentSubPage()->CLUT(colourIndex), 3, 16, QChar('0'));
+	m_colourButton[colourIndex]->setText(colourString);
+
+	// Set text itself to black or white so it can be seen over background colour - http://alienryderflex.com/hsp.html
+	int r = m_parentMainWidget->document()->currentSubPage()->CLUT(colourIndex) >> 8;
+	int g = (m_parentMainWidget->document()->currentSubPage()->CLUT(colourIndex) >> 4) & 0xf;
+	int b = m_parentMainWidget->document()->currentSubPage()->CLUT(colourIndex) & 0xf;
+	char blackOrWhite = (sqrt(r*r*0.299 + g*g*0.587 + b*b*0.114) > 7.647) ? '0' : 'f';
+
+	QString qss = QString("background-color: #%1; color: #%2%2%2; border: none").arg(colourString).arg(blackOrWhite);
+	m_colourButton[colourIndex]->setStyleSheet(qss);
+
+	if (m_parentMainWidget->document()->currentSubPage()->CLUT(colourIndex) == m_parentMainWidget->document()->currentSubPage()->CLUT(colourIndex, 0)) {
+		// Default colour was set, disable Reset button if all colours in row are default as well
+		for (int i=colourIndex & 0x18; i<(colourIndex & 0x18)+8; i++) {
+			if (i == 8)
+				continue;
+			if (m_parentMainWidget->document()->currentSubPage()->CLUT(i) != m_parentMainWidget->document()->currentSubPage()->CLUT(i, 0)) {
+				m_resetButton[colourIndex>>3]->setEnabled(true);
+				return;
+			}
+		}
+		m_resetButton[colourIndex>>3]->setEnabled(false);
+	} else
+		m_resetButton[colourIndex>>3]->setEnabled(true);
+}
+
+void PaletteDockWidget::updateAllColourButtons()
+{
+	for (int i=0; i<32; i++)
+		updateColourButton(i);
+}
+
+void PaletteDockWidget::showEvent(QShowEvent *event)
+{
+	Q_UNUSED(event);
+	updateAllColourButtons();
+}
+
+void PaletteDockWidget::selectColour(int colourIndex)
+{
+    const QColor newColour = QColorDialog::getColor(CLUTtoQColor(m_parentMainWidget->document()->currentSubPage()->CLUT(colourIndex)), this, "Select Colour");
+
+	if (newColour.isValid()) {
+		QUndoCommand *setColourCommand = new SetColourCommand(m_parentMainWidget->document(), colourIndex, ((newColour.red() & 0xf0) << 4) | (newColour.green() & 0xf0) | ((newColour.blue() & 0xf0) >> 4));
+		m_parentMainWidget->document()->undoStack()->push(setColourCommand);
+	}
+}
+
+void PaletteDockWidget::resetCLUT(int colourTable)
+{
+	QUndoCommand *resetCLUTCommand = new ResetCLUTCommand(m_parentMainWidget->document(), colourTable);
+	m_parentMainWidget->document()->undoStack()->push(resetCLUTCommand);
+}