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Added a tooltip to the color button.

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This commit is contained in:
Leonardo Zide
2025-08-09 12:53:38 -07:00
parent 35c8652405
commit ce94465de6
5 changed files with 102 additions and 86 deletions
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common/lc_colorlist.cpp
+15 -84
View File
@@ -4,47 +4,6 @@
#include "lc_library.h"
#include "lc_colors.h"
void lcDrawNoColorRect(QPainter& Painter, const QRect& Rect)
{
Painter.setBrush(Qt::black);
Painter.drawRect(Rect);
const int SquareSize = 3;
int Column = 0;
for (;;)
{
int x = Rect.left() + 1 + Column * SquareSize;
if (x >= Rect.right())
break;
int Row = Column & 1;
for (;;)
{
int y = Rect.top() + 1 + Row * SquareSize;
if (y >= Rect.bottom())
break;
QRect GridRect(x, y, SquareSize, SquareSize);
if (GridRect.right() > Rect.right())
GridRect.setRight(Rect.right());
if (GridRect.bottom() > Rect.bottom())
GridRect.setBottom(Rect.bottom());
Painter.fillRect(GridRect, Qt::white);
Row += 2;
}
Column++;
}
}
lcColorList::lcColorList(QWidget* Parent, bool AllowNoColor)
: QWidget(Parent), mAllowNoColor(AllowNoColor)
{
@@ -218,78 +177,50 @@ void lcColorList::SetCurrentColor(int ColorIndex)
}
}
bool lcColorList::event(QEvent *event)
bool lcColorList::event(QEvent* Event)
{
if (event->type() == QEvent::ToolTip)
if (Event->type() == QEvent::ToolTip)
{
QHelpEvent *helpEvent = static_cast<QHelpEvent *>(event);
QHelpEvent* HelpEvent = static_cast<QHelpEvent*>(Event);
for (size_t CellIndex = 0; CellIndex < mCells.size(); CellIndex++)
{
if (!mCells[CellIndex].Rect.contains(helpEvent->pos()))
if (!mCells[CellIndex].Rect.contains(HelpEvent->pos()))
continue;
lcColor* color = &gColorList[mCells[CellIndex].ColorIndex];
QColor rgb(color->Value[0] * 255, color->Value[1] * 255, color->Value[2] * 255);
QString Text = lcGetColorToolTip(mCells[CellIndex].ColorIndex);
QToolTip::showText(HelpEvent->globalPos(), Text);
QImage image(16, 16, QImage::Format_RGB888);
image.fill(rgb);
QPainter painter(&image);
painter.setPen(Qt::darkGray);
if (color->Code != LC_COLOR_NOCOLOR)
painter.drawRect(0, 0, image.width() - 1, image.height() - 1);
else
lcDrawNoColorRect(painter, QRect(0, 0, image.width() - 1, image.height() - 1));
painter.end();
QByteArray ba;
QBuffer buffer(&ba);
buffer.open(QIODevice::WriteOnly);
image.save(&buffer, "PNG");
buffer.close();
int colorIndex = mCells[CellIndex].ColorIndex;
QString text;
if (color->Code != LC_COLOR_NOCOLOR)
{
const char* format = "<table><tr><td style=\"vertical-align:middle\"><img src=\"data:image/png;base64,%1\"/></td><td>%2 (%3)</td></tr></table>";
text = QString(format).arg(QString(buffer.data().toBase64()), gColorList[colorIndex].Name, QString::number(gColorList[colorIndex].Code));
}
else
{
const char* format = "<table><tr><td style=\"vertical-align:middle\"><img src=\"data:image/png;base64,%1\"/></td><td>%2</td></tr></table>";
text = QString(format).arg(QString(buffer.data().toBase64()), gColorList[colorIndex].Name);
}
QToolTip::showText(helpEvent->globalPos(), text);
return true;
}
QToolTip::hideText();
event->ignore();
Event->ignore();
return true;
}
else if (event->type() == QEvent::ShortcutOverride)
else if (Event->type() == QEvent::ShortcutOverride)
{
QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
QKeyEvent* KeyEvent = static_cast<QKeyEvent*>(Event);
if (keyEvent->modifiers() == Qt::NoModifier || keyEvent->modifiers() == Qt::KeypadModifier)
if (KeyEvent->modifiers() == Qt::NoModifier || KeyEvent->modifiers() == Qt::KeypadModifier)
{
switch (keyEvent->key())
switch (KeyEvent->key())
{
case Qt::Key_Left:
case Qt::Key_Right:
case Qt::Key_Up:
case Qt::Key_Down:
keyEvent->accept();
KeyEvent->accept();
break;
default:
break;
}
}
}
return QWidget::event(event);
return QWidget::event(Event);
}
void lcColorList::mousePressEvent(QMouseEvent* MouseEvent)
common/lc_colorlist.h
-2
View File
@@ -13,8 +13,6 @@ struct lcColorListGroup
std::vector<size_t> Cells;
};
void lcDrawNoColorRect(QPainter& Painter, const QRect& Rect);
class lcColorList : public QWidget
{
Q_OBJECT
common/lc_colors.cpp
+82
View File
@@ -410,3 +410,85 @@ int lcGetColorIndex(quint32 ColorCode)
gColorList.push_back(Color);
return (int)gColorList.size() - 1;
}
QString lcGetColorToolTip(int ColorIndex)
{
lcColor* Color = &gColorList[ColorIndex];
QColor Rgb(Color->Value[0] * 255, Color->Value[1] * 255, Color->Value[2] * 255);
QImage Image(16, 16, QImage::Format_RGB888);
Image.fill(Rgb);
QPainter Painter(&Image);
Painter.setPen(Qt::darkGray);
if (Color->Code != LC_COLOR_NOCOLOR)
Painter.drawRect(0, 0, Image.width() - 1, Image.height() - 1);
else
lcDrawNoColorRect(Painter, QRect(0, 0, Image.width() - 1, Image.height() - 1));
Painter.end();
QByteArray ByteArray;
QBuffer Buffer(&ByteArray);
Buffer.open(QIODevice::WriteOnly);
Image.save(&Buffer, "PNG");
Buffer.close();
QString Text;
if (Color->Code != LC_COLOR_NOCOLOR)
{
const char* format = "<table><tr><td style=\"vertical-align:middle\"><img src=\"data:image/png;base64,%1\"/></td><td>%2 (%3)</td></tr></table>";
Text = QString(format).arg(QString(Buffer.data().toBase64()), gColorList[ColorIndex].Name, QString::number(gColorList[ColorIndex].Code));
}
else
{
const char* format = "<table><tr><td style=\"vertical-align:middle\"><img src=\"data:image/png;base64,%1\"/></td><td>%2</td></tr></table>";
Text = QString(format).arg(QString(Buffer.data().toBase64()), gColorList[ColorIndex].Name);
}
return Text;
}
void lcDrawNoColorRect(QPainter& Painter, const QRect& Rect)
{
Painter.setBrush(Qt::black);
Painter.drawRect(Rect);
const int SquareSize = 3;
int Column = 0;
for (;;)
{
int x = Rect.left() + 1 + Column * SquareSize;
if (x >= Rect.right())
break;
int Row = Column & 1;
for (;;)
{
int y = Rect.top() + 1 + Row * SquareSize;
if (y >= Rect.bottom())
break;
QRect GridRect(x, y, SquareSize, SquareSize);
if (GridRect.right() > Rect.right())
GridRect.setRight(Rect.right());
if (GridRect.bottom() > Rect.bottom())
GridRect.setBottom(Rect.bottom());
Painter.fillRect(GridRect, Qt::white);
Row += 2;
}
Column++;
}
}
common/lc_colors.h
+3
View File
@@ -75,3 +75,6 @@ inline bool lcIsColorRubber(size_t ColorIndex)
{
return gColorList[ColorIndex].Rubber;
}
QString lcGetColorToolTip(int ColorIndex);
void lcDrawNoColorRect(QPainter& Painter, const QRect& Rect);
common/lc_mainwindow.cpp
+2
View File
@@ -732,6 +732,7 @@ void lcMainWindow::CreateToolBars()
mColorButton->setAutoRaise(true);
mColorButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
mColorButton->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Maximum);
mColorButton->setToolTip(tr("Change Selection Color"));
ColorButtonLayout->addWidget(mColorButton);
connect(mColorButton, SIGNAL(clicked()), this, SLOT(ColorButtonClicked()));
@@ -2157,6 +2158,7 @@ void lcMainWindow::UpdateColor()
mColorButton->setIcon(Pixmap);
mColorButton->setText(QString(" ") + gColorList[mColorIndex].Name);
mColorList->SetCurrentColor(mColorIndex);
}