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added preview widget when creating pochannel posts

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csoler 2020-06-13 16:14:15 +02:00
parent f1092b4a29
commit fd85965e7d
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6 changed files with 354 additions and 274 deletions
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71
retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp
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@ -44,11 +44,10 @@
#include "GxsChannelPostsModel.h"
#include "GxsChannelPostFilesModel.h"
#include "GxsChannelFilesStatusWidget.h"
#include "GxsChannelPostThumbnail.h"
#include <algorithm>
#define CHAN_DEFAULT_IMAGE ":images/thumb-default-video.png"
#define ROLE_PUBLISH FEED_TREEWIDGET_SORTROLE
/****
@ -64,11 +63,6 @@ static const int CHANNEL_TABS_POSTS = 1;
#define VIEW_MODE_FEEDS 1
#define VIEW_MODE_FILES 2
// Size of thumbnails as a function of the height of the font. An aspect ratio of 3/4 is good.
#define THUMBNAIL_W 4
#define THUMBNAIL_H 6
// Determine the Shape and size of cells as a factor of the font height. An aspect ratio of 3/4 is what's needed
// for the image, so it's important that the height is a bit larger so as to leave some room for the text.
//
@ -76,67 +70,10 @@ static const int CHANNEL_TABS_POSTS = 1;
#define COLUMN_SIZE_FONT_FACTOR_W 6
#define COLUMN_SIZE_FONT_FACTOR_H 10
// This variable determines the zoom factor on the text below thumbnails. 2.0 is mostly correct for all screen.
#define THUMBNAIL_OVERSAMPLE_FACTOR 2.0
#define STAR_OVERLAY_IMAGE ":icons/star_overlay_128.png"
Q_DECLARE_METATYPE(RsGxsFile)
// Class to paint the thumbnails with title
class ThumbnailView: public QWidget
{
public:
ThumbnailView(const RsGxsChannelPost& post,QWidget *parent=NULL)
: QWidget(parent)
{
QVBoxLayout *layout = new QVBoxLayout(this);
QLabel *lb = new QLabel(this);
lb->setScaledContents(true);
layout->addWidget(lb);
QLabel *lt = new QLabel(this);
layout->addWidget(lt);
setLayout(layout);
setSizePolicy(QSizePolicy::MinimumExpanding,QSizePolicy::MinimumExpanding);
// now fill the data
QPixmap thumbnail;
if(post.mThumbnail.mSize > 0)
GxsIdDetails::loadPixmapFromData(post.mThumbnail.mData, post.mThumbnail.mSize, thumbnail,GxsIdDetails::ORIGINAL);
else if(post.mMeta.mPublishTs > 0) // this is for testing that the post is not an empty post (happens at the end of the last row)
thumbnail = FilesDefs::getPixmapFromQtResourcePath(CHAN_DEFAULT_IMAGE);
QFontMetricsF fm(font());
int W = THUMBNAIL_OVERSAMPLE_FACTOR * THUMBNAIL_W * fm.height() ;
int H = THUMBNAIL_OVERSAMPLE_FACTOR * THUMBNAIL_H * fm.height() ;
lb->setFixedSize(W,H);
lb->setPixmap(thumbnail);
lt->setText(QString::fromUtf8(post.mMeta.mMsgName.c_str()));
QFont font = lt->font();
if(IS_MSG_UNREAD(post.mMeta.mMsgStatus) || IS_MSG_NEW(post.mMeta.mMsgStatus))
{
font.setBold(true);
lt->setFont(font);
}
lt->setMaximumWidth(W);
lt->setWordWrap(true);
adjustSize();
update();
}
};
// Delegate used to paint into the table of thumbnails
void ChannelPostDelegate::paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
@ -151,7 +88,7 @@ void ChannelPostDelegate::paint(QPainter * painter, const QStyleOptionViewItem &
painter->fillRect( option.rect, option.backgroundBrush);
painter->restore();
ThumbnailView w(post);
ChannelPostThumbnailView w(post);
QPixmap pixmap(w.size());
@ -463,7 +400,7 @@ void GxsChannelPostsWidgetWithModel::showPostDetails()
if (post.mThumbnail.mData != NULL)
GxsIdDetails::loadPixmapFromData(post.mThumbnail.mData, post.mThumbnail.mSize, postImage,GxsIdDetails::ORIGINAL);
else
postImage = FilesDefs::getPixmapFromQtResourcePath(CHAN_DEFAULT_IMAGE);
postImage = FilesDefs::getPixmapFromQtResourcePath(ChannelPostThumbnailView::CHAN_DEFAULT_IMAGE);
int W = QFontMetricsF(font()).height() * 8;
@ -689,7 +626,7 @@ void GxsChannelPostsWidgetWithModel::insertChannelDetails(const RsGxsChannelGrou
if (group.mImage.mData != NULL) {
GxsIdDetails::loadPixmapFromData(group.mImage.mData, group.mImage.mSize, chanImage,GxsIdDetails::ORIGINAL);
} else {
chanImage = QPixmap(CHAN_DEFAULT_IMAGE);
chanImage = QPixmap(ChannelPostThumbnailView::CHAN_DEFAULT_IMAGE);
}
if(group.mMeta.mGroupName.empty())
ui->channelName_LB->setText(tr("[No name]"));