blue/squawk
blue/squawk
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first lousy attempt to make load indicator in feedView

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Blue 2021-04-30 23:07:00 +03:00
parent 50190f3eac
commit 0973cb2991
4 changed files with 60 additions and 11 deletions
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43
ui/utils/feedview.cpp
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@ -28,6 +28,7 @@
constexpr int maxMessageHeight = 10000;
constexpr int approximateSingleMessageHeight = 20;
constexpr int progressSize = 70;
const std::set<int> FeedView::geometryChangingRoles = {
Models::MessageFeed::Attach,
@ -43,13 +44,18 @@ FeedView::FeedView(QWidget* parent):
vo(0),
specialDelegate(false),
specialModel(false),
clearWidgetsMode(false)
clearWidgetsMode(false),
modelState(Models::MessageFeed::complete),
progress()
{
horizontalScrollBar()->setRange(0, 0);
verticalScrollBar()->setSingleStep(approximateSingleMessageHeight);
setMouseTracking(true);
setSelectionBehavior(SelectItems);
// viewport()->setAttribute(Qt::WA_Hover, true);
progress.setParent(viewport());
progress.resize(progressSize, progressSize);
}
FeedView::~FeedView()
@ -293,6 +299,13 @@ void FeedView::mouseMoveEvent(QMouseEvent* event)
QAbstractItemView::mouseMoveEvent(event);
}
void FeedView::resizeEvent(QResizeEvent* event)
{
progress.move((width() - progressSize) / 2, 0);
QAbstractItemView::resizeEvent(event);
}
QFont FeedView::getFont() const
{
@ -319,14 +332,22 @@ void FeedView::setItemDelegate(QAbstractItemDelegate* delegate)
}
}
void FeedView::setModel(QAbstractItemModel* model)
void FeedView::setModel(QAbstractItemModel* p_model)
{
QAbstractItemView::setModel(model);
if (specialModel) {
Models::MessageFeed* feed = static_cast<Models::MessageFeed*>(model());
disconnect(feed, &Models::MessageFeed::syncStateChange, this, &FeedView::onModelSyncStateChange);
}
Models::MessageFeed* feed = dynamic_cast<Models::MessageFeed*>(model);
QAbstractItemView::setModel(p_model);
Models::MessageFeed* feed = dynamic_cast<Models::MessageFeed*>(p_model);
if (feed) {
onModelSyncStateChange(feed->getSyncState());
specialModel = true;
connect(feed, &Models::MessageFeed::syncStateChange, this, &FeedView::onModelSyncStateChange);
} else {
onModelSyncStateChange(Models::MessageFeed::complete);
specialModel = false;
}
}
@ -352,3 +373,17 @@ void FeedView::onMessageInvalidPath(const QString& messageId)
}
}
void FeedView::onModelSyncStateChange(Models::MessageFeed::SyncState state)
{
if (modelState != state) {
modelState = state;
if (state == Models::MessageFeed::syncing) {
progress.show();
progress.start();
} else {
progress.stop();
progress.hide();
}
}
}

5
ui/utils/feedview.h
View file

@ -25,6 +25,7 @@
#include <set>
#include <ui/models/messagefeed.h>
#include "progress.h"
/**
* @todo write docs
@ -56,6 +57,7 @@ protected slots:
void dataChanged(const QModelIndex & topLeft, const QModelIndex & bottomRight, const QVector<int> & roles) override;
void onMessageButtonPushed(const QString& messageId, bool download);
void onMessageInvalidPath(const QString& messageId);
void onModelSyncStateChange(Models::MessageFeed::SyncState state);
protected:
int verticalOffset() const override;
@ -63,6 +65,7 @@ protected:
void paintEvent(QPaintEvent * event) override;
void updateGeometries() override;
void mouseMoveEvent(QMouseEvent * event) override;
void resizeEvent(QResizeEvent * event) override;
private:
bool tryToCalculateGeometriesWithNoScrollbars(const QStyleOptionViewItem& option, const QAbstractItemModel* model, uint32_t totalHeight);
@ -78,6 +81,8 @@ private:
bool specialDelegate;
bool specialModel;
bool clearWidgetsMode;
Models::MessageFeed::SyncState modelState;
Progress progress;
static const std::set<int> geometryChangingRoles;