kde/dolphin
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Only check if place url is mount point once during polish event.

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The capacity bars will no longer update when capacity changes. It only
checks the size on init.

Updating during polish event is only a temporarily solution just to
draft code flow for seperating logic from painting. Eventually this
logic update should be in a worker thread detached from blocking the
rendering thread that blocks launching the dolphin window.
This commit is contained in:
Chris Holland 2019-07-31 21:46:53 -04:00 committed by Elvis Angelaccio
parent ac6de72048
commit e75326077b
2 changed files with 95 additions and 59 deletions
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146
src/panels/places/placesitemlistwidget.cpp
View file

@ -6,6 +6,8 @@
#include "placesitemlistwidget.h"
#include <QDebug>
#include <QGraphicsView>
#include <QStyleOption>
@ -18,6 +20,9 @@
PlacesItemListWidget::PlacesItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
KStandardItemListWidget(informant, parent)
, m_isMountPoint(false)
, m_drawCapacityBar(false)
, m_capacityBarRatio(0)
{
}
@ -36,78 +41,101 @@ QPalette::ColorRole PlacesItemListWidget::normalTextColorRole() const
return QPalette::WindowText;
}
void PlacesItemListWidget::updateCapacityBar()
{
const QUrl url = data().value("url").toUrl();
if (url.isLocalFile()) {
const QString mountPointPath = url.toLocalFile();
qDebug() << "url:" << mountPointPath;
KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(mountPointPath);
m_isMountPoint = (mp && mp->mountPoint() == mountPointPath);
qDebug() << " isMountPoint:" << m_isMountPoint;
if (m_isMountPoint) {
const KDiskFreeSpaceInfo info = KDiskFreeSpaceInfo::freeSpaceInfo(mountPointPath);
m_drawCapacityBar = info.size() != 0;
m_capacityBarRatio = (qreal)info.used() / (qreal)info.size();
qDebug() << " capacityBarRatio:" << m_capacityBarRatio << "(" << info.used() << "/" << info.size() << ")";
// update();
} else {
resetCapacityBar();
}
} else {
resetCapacityBar();
}
}
void PlacesItemListWidget::resetCapacityBar()
{
m_isMountPoint = false;
m_drawCapacityBar = false;
m_capacityBarRatio = 0;
}
void PlacesItemListWidget::polishEvent()
{
updateCapacityBar();
QGraphicsWidget::polishEvent();
}
void PlacesItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
{
KStandardItemListWidget::paint(painter, option, widget);
bool drawCapacityBar = false;
const QUrl url = data().value("url").toUrl();
if (url.isLocalFile()) {
const QString mountPointPath = url.toLocalFile();
KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(mountPointPath);
bool isMountPoint = (mp && mp->mountPoint() == mountPointPath);
if (m_drawCapacityBar) {
const TextInfo* textInfo = m_textInfo.value("text");
if (textInfo) { // See KStandarItemListWidget::paint() for info on why we check textInfo.
painter->save();
if (isMountPoint) {
const KDiskFreeSpaceInfo info = KDiskFreeSpaceInfo::freeSpaceInfo(mountPointPath);
drawCapacityBar = info.size() != 0;
if (drawCapacityBar) {
const TextInfo* textInfo = m_textInfo.value("text");
if (textInfo) { // See KStandarItemListWidget::paint() for info on why we check textInfo.
painter->save();
QRect capacityRect(
textInfo->pos.x(),
option->rect.top() + option->rect.height() - CAPACITYBAR_HEIGHT - CAPACITYBAR_MARGIN,
qMin((qreal)option->rect.width(), selectionRect().width()) - (textInfo->pos.x() - option->rect.left()),
CAPACITYBAR_HEIGHT
);
QRect capacityRect(
textInfo->pos.x(),
option->rect.top() + option->rect.height() - CAPACITYBAR_HEIGHT - CAPACITYBAR_MARGIN,
qMin((qreal)option->rect.width(), selectionRect().width()) - (textInfo->pos.x() - option->rect.left()),
CAPACITYBAR_HEIGHT
);
const QPalette pal = palette();
const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
// QColor bgColor = QColor::fromRgb(230, 230, 230);
// QColor outlineColor = QColor::fromRgb(208, 208, 208);
// QColor bgColor = QColor::fromRgb(0, 230, 0);
// QColor outlineColor = QColor::fromRgb(208, 0, 0, 127);
// QColor normalUsedColor = QColor::fromRgb(38, 160, 218);
// QColor dangerUsedColor = QColor::fromRgb(218, 38, 38);
// QColor bgColor = pal.base().color().darker(130);
// QColor outlineColor = pal.base().color().darker(150);
const qreal ratio = (qreal)info.used() / (qreal)info.size();
// qDebug() << "ratio:" << ratio << "(" << info.used() << "/" << info.size() << ")";
QPalette::ColorRole role;
// role = isSelected() ? QPalette::Highlight : QPalette::Window;
// QColor bgColor = styleOption().palette.color(group, role).darker(150);
// QColor outlineColor = styleOption().palette.color(group, role).darker(170);
QColor bgColor = isSelected()
? styleOption().palette.color(group, QPalette::Highlight).darker(180)
: styleOption().palette.color(group, QPalette::Window).darker(120);
const QPalette pal = palette();
const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
// QColor bgColor = QColor::fromRgb(230, 230, 230);
// QColor outlineColor = QColor::fromRgb(208, 208, 208);
// QColor bgColor = QColor::fromRgb(0, 230, 0);
// QColor outlineColor = QColor::fromRgb(208, 0, 0, 127);
// QColor normalUsedColor = QColor::fromRgb(38, 160, 218);
// QColor dangerUsedColor = QColor::fromRgb(218, 38, 38);
// QColor bgColor = pal.base().color().darker(130);
// QColor outlineColor = pal.base().color().darker(150);
role = isSelected() ? QPalette::HighlightedText : QPalette::Highlight;
QColor normalUsedColor = styleOption().palette.color(group, role);
QPalette::ColorRole role;
// role = isSelected() ? QPalette::Highlight : QPalette::Window;
// QColor bgColor = styleOption().palette.color(group, role).darker(150);
// QColor outlineColor = styleOption().palette.color(group, role).darker(170);
QColor bgColor = isSelected()
? styleOption().palette.color(group, QPalette::Highlight).darker(180)
: styleOption().palette.color(group, QPalette::Window).darker(120);
QColor dangerUsedColor = QColor::fromRgb(218, 38, 38);
role = isSelected() ? QPalette::HighlightedText : QPalette::Highlight;
QColor normalUsedColor = styleOption().palette.color(group, role);
// Background
painter->fillRect(capacityRect, bgColor);
QColor dangerUsedColor = QColor::fromRgb(218, 38, 38);
// Outline
// const QRect outlineRect(capacityRect.x(), capacityRect.y(), capacityRect.width() - 1, capacityRect.height() - 1);
// painter->setPen(outlineColor);
// painter->drawRect(outlineRect);
// Background
painter->fillRect(capacityRect, bgColor);
// Outline
// const QRect outlineRect(capacityRect.x(), capacityRect.y(), capacityRect.width() - 1, capacityRect.height() - 1);
// painter->setPen(outlineColor);
// painter->drawRect(outlineRect);
// Fill
const QRect fillRect(capacityRect.x(), capacityRect.y(), capacityRect.width() * ratio, capacityRect.height());
if (ratio < 0.95) { // Fill
painter->fillRect(fillRect, normalUsedColor);
} else {
painter->fillRect(fillRect, dangerUsedColor);
}
painter->restore();
}
// Fill
const QRect fillRect(capacityRect.x(), capacityRect.y(), capacityRect.width() * m_capacityBarRatio, capacityRect.height());
if (m_capacityBarRatio < 0.95) { // Fill
painter->fillRect(fillRect, normalUsedColor);
} else {
painter->fillRect(fillRect, dangerUsedColor);
}
painter->restore();
}
}
}

8
src/panels/places/placesitemlistwidget.h
View file

@ -22,10 +22,18 @@ public:
~PlacesItemListWidget() override;
void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
void polishEvent() override;
protected:
bool isHidden() const override;
QPalette::ColorRole normalTextColorRole() const override;
void updateCapacityBar();
void resetCapacityBar();
private:
bool m_isMountPoint;
bool m_drawCapacityBar;
qreal m_capacityBarRatio;
};
#endif