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Show files in tooltips for pieces progress bars

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In addition to the current tooltip, which shows color legend, if user
holds the Shift key during hovering we show another tooltip which
contains a table of contents for the piece under the moue cursor. The
table lists file sizes and names. If the cursor points to a part of a
file which spans several pieces, those pieces are highlighted.
This commit is contained in:
Eugene Shalygin
2016-02-29 00:44:08 +01:00
parent f9c2bd3502
commit b3378d4599
14 changed files with 756 additions and 237 deletions
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114
src/gui/properties/downloadedpiecesbar.cpp
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@@ -28,20 +28,16 @@
* Contact : chris@qbittorrent.org
*/
#include <cmath>
#include <QDebug>
#include "downloadedpiecesbar.h"
DownloadedPiecesBar::DownloadedPiecesBar(QWidget *parent) : QWidget(parent)
#include <cmath>
#include <QDebug>
DownloadedPiecesBar::DownloadedPiecesBar(QWidget *parent)
: base {parent}
, m_dlPieceColor {0, 0xd0, 0}
{
setToolTip(QString("%1\n%2\n%3").arg(tr("White: Missing pieces")).arg(tr("Green: Partial pieces")).arg(tr("Blue: Completed pieces")));
m_bgColor = 0xffffff;
m_borderColor = palette().color(QPalette::Dark).rgb();
m_pieceColor = 0x0000ff;
m_dlPieceColor = 0x00d000;
updatePieceColors();
}
QVector<float> DownloadedPiecesBar::bitfieldToFloatVector(const QBitArray &vecin, int reqSize)
@@ -49,7 +45,7 @@ QVector<float> DownloadedPiecesBar::bitfieldToFloatVector(const QBitArray &vecin
QVector<float> result(reqSize, 0.0);
if (vecin.isEmpty()) return result;
const float ratio = vecin.size() / (float)reqSize;
const float ratio = vecin.size() / static_cast<float>(reqSize);
// simple linear transformation algorithm
// for example:
@@ -62,7 +58,7 @@ QVector<float> DownloadedPiecesBar::bitfieldToFloatVector(const QBitArray &vecin
const float toR = (x + 1) * ratio;
// C - integer
int fromC = fromR;// std::floor not needed
int fromC = fromR; // std::floor not needed
int toC = std::ceil(toR);
if (toC > vecin.size())
--toC;
@@ -108,7 +104,7 @@ QVector<float> DownloadedPiecesBar::bitfieldToFloatVector(const QBitArray &vecin
value /= ratio;
// float precision sometimes gives > 1, because in not possible to store irrational numbers
value = qMin(value, (float)1.0);
value = qMin(value, 1.0f);
result[x] = value;
}
@@ -116,38 +112,19 @@ QVector<float> DownloadedPiecesBar::bitfieldToFloatVector(const QBitArray &vecin
return result;
}
int DownloadedPiecesBar::mixTwoColors(int &rgb1, int &rgb2, float ratio)
{
int r1 = qRed(rgb1);
int g1 = qGreen(rgb1);
int b1 = qBlue(rgb1);
int r2 = qRed(rgb2);
int g2 = qGreen(rgb2);
int b2 = qBlue(rgb2);
float ratio_n = 1.0 - ratio;
int r = (r1 * ratio_n) + (r2 * ratio);
int g = (g1 * ratio_n) + (g2 * ratio);
int b = (b1 * ratio_n) + (b2 * ratio);
return qRgb(r, g, b);
}
void DownloadedPiecesBar::updateImage()
bool DownloadedPiecesBar::updateImage(QImage &image)
{
// qDebug() << "updateImage";
QImage image2(width() - 2, 1, QImage::Format_RGB888);
QImage image2(width() - 2 * borderWidth, 1, QImage::Format_RGB888);
if (image2.isNull()) {
qDebug() << "QImage image2() allocation failed, width():" << width();
return;
return false;
}
if (m_pieces.isEmpty()) {
image2.fill(0xffffff);
m_image = image2;
update();
return;
image2.fill(Qt::white);
image = image2;
return true;
}
QVector<float> scaled_pieces = bitfieldToFloatVector(m_pieces, image2.width());
@@ -161,16 +138,17 @@ void DownloadedPiecesBar::updateImage()
float fill_ratio = pieces2_val + pieces2_val_dl;
float ratio = pieces2_val_dl / fill_ratio;
int mixedColor = mixTwoColors(m_pieceColor, m_dlPieceColor, ratio);
mixedColor = mixTwoColors(m_bgColor, mixedColor, fill_ratio);
QRgb mixedColor = mixTwoColors(pieceColor().rgb(), m_dlPieceColor.rgb(), ratio);
mixedColor = mixTwoColors(backgroundColor().rgb(), mixedColor, fill_ratio);
image2.setPixel(x, 0, mixedColor);
}
else {
image2.setPixel(x, 0, m_pieceColors[pieces2_val * 255]);
image2.setPixel(x, 0, pieceColors()[pieces2_val * 255]);
}
}
m_image = image2;
image = image2;
return true;
}
void DownloadedPiecesBar::setProgress(const QBitArray &pieces, const QBitArray &downloadedPieces)
@@ -178,53 +156,25 @@ void DownloadedPiecesBar::setProgress(const QBitArray &pieces, const QBitArray &
m_pieces = pieces;
m_downloadedPieces = downloadedPieces;
updateImage();
update();
requestImageUpdate();
}
void DownloadedPiecesBar::updatePieceColors()
void DownloadedPiecesBar::setColors(const QColor &background, const QColor &border, const QColor &complete, const QColor &incomplete)
{
m_pieceColors = QVector<int>(256);
for (int i = 0; i < 256; ++i) {
float ratio = (i / 255.0);
m_pieceColors[i] = mixTwoColors(m_bgColor, m_pieceColor, ratio);
}
m_dlPieceColor = incomplete;
base::setColors(background, border, complete);
}
void DownloadedPiecesBar::clear()
{
m_image = QImage();
update();
m_pieces.clear();
m_downloadedPieces.clear();
base::clear();
}
void DownloadedPiecesBar::paintEvent(QPaintEvent*)
QString DownloadedPiecesBar::simpleToolTipText() const
{
QPainter painter(this);
QRect imageRect(1, 1, width() - 2, height() - 2);
if (m_image.isNull()) {
painter.setBrush(Qt::white);
painter.drawRect(imageRect);
}
else {
if (m_image.width() != imageRect.width())
updateImage();
painter.drawImage(imageRect, m_image);
}
QPainterPath border;
border.addRect(0, 0, width() - 1, height() - 1);
painter.setPen(m_borderColor);
painter.drawPath(border);
}
void DownloadedPiecesBar::setColors(int background, int border, int complete, int incomplete)
{
m_bgColor = background;
m_borderColor = border;
m_pieceColor = complete;
m_dlPieceColor = incomplete;
updatePieceColors();
updateImage();
update();
return tr("White: Missing pieces") + '\n'
+ tr("Green: Partial pieces") + '\n'
+ tr("Blue: Completed pieces") + '\n';
}