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add chatbubbles to render chat

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This commit is contained in:
DenioD
2020-05-03 01:03:29 +02:00
parent 29492b73c3
commit 0223d6def8
7 changed files with 355 additions and 88 deletions
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161
src/chatmodel.h
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@@ -1,15 +1,161 @@
#ifndef CHATMODEL_H
#define CHATMODEL_H
#include <QString>
#include <QStandardItemModel>
#include <QAbstractItemDelegate>
#include <QPainter>
#include <map>
#include <vector>
#include <QListWidget>
#include <QListView>
#include "precompiled.h"
#include "mainwindow.h"
#include "controller.h"
#include "settings.h"
#include "camount.h"
class ListViewDelegate : public QAbstractItemDelegate
{
int d_radius;
int d_toppadding;
int d_bottompadding;
int d_leftpadding;
int d_rightpadding;
int d_verticalmargin;
int d_horizontalmargin;
int d_pointerwidth;
int d_pointerheight;
float d_widthfraction;
public:
inline ListViewDelegate(QObject *parent = nullptr);
protected:
inline void paint(QPainter *painter, QStyleOptionViewItem const &option, QModelIndex const &index) const;
inline QSize sizeHint(QStyleOptionViewItem const &option, QModelIndex const &index) const;
};
inline ListViewDelegate::ListViewDelegate(QObject *parent): QAbstractItemDelegate(parent), d_radius(5), d_toppadding(5), d_bottompadding(3), d_leftpadding(5), d_rightpadding(5), d_verticalmargin(15), d_horizontalmargin(10), d_pointerwidth(10), d_pointerheight(17), d_widthfraction(.7)
{
}
inline void ListViewDelegate::paint(QPainter *painter, QStyleOptionViewItem const &option, QModelIndex const &index) const
{
QTextDocument bodydoc;
QTextOption textOption(bodydoc.defaultTextOption());
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
bodydoc.setDefaultTextOption(textOption);
bodydoc.setDefaultFont(QFont("Roboto", 12));
QString bodytext(index.data(Qt::DisplayRole).toString());
bodydoc.setHtml(bodytext);
qreal contentswidth = option.rect.width() * d_widthfraction - d_horizontalmargin - d_pointerwidth - d_leftpadding - d_rightpadding;
bodydoc.setTextWidth(contentswidth);
qreal bodyheight = bodydoc.size().height();
bool outgoing = index.data(Qt::UserRole + 1).toString() == "Outgoing";
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
// uncomment to see the area provided to paint this item
//painter->drawRect(option.rect);
painter->translate(option.rect.left() + d_horizontalmargin, option.rect.top() + ((index.row() == 0) ? d_verticalmargin : 0));
// background color for chat bubble
QColor bgcolor("fbffff");
if (outgoing)
bgcolor = "#fffcfb";
// create chat bubble
QPainterPath pointie;
// left bottom
pointie.moveTo(0, bodyheight + d_toppadding + d_bottompadding);
// right bottom
pointie.lineTo(0 + contentswidth + d_pointerwidth + d_leftpadding + d_rightpadding - d_radius,
bodyheight + d_toppadding + d_bottompadding);
pointie.arcTo(0 + contentswidth + d_pointerwidth + d_leftpadding + d_rightpadding - 2 * d_radius,
bodyheight + d_toppadding + d_bottompadding - 2 * d_radius,
2 * d_radius, 2 * d_radius, 270, 90);
// right top
pointie.lineTo(0 + contentswidth + d_pointerwidth + d_leftpadding + d_rightpadding, 0 + d_radius);
pointie.arcTo(0 + contentswidth + d_pointerwidth + d_leftpadding + d_rightpadding - 2 * d_radius, 0,
2 * d_radius, 2 * d_radius, 0, 90);
// left top
pointie.lineTo(0 + d_pointerwidth + d_radius, 0);
pointie.arcTo(0 + d_pointerwidth, 0, 2 * d_radius, 2 * d_radius, 90, 90);
// left bottom almost (here is the pointie)
pointie.lineTo(0 + d_pointerwidth, bodyheight + d_toppadding + d_bottompadding - d_pointerheight);
pointie.closeSubpath();
// rotate bubble for outgoing messages
if (outgoing)
{
painter->translate(option.rect.width() - pointie.boundingRect().width() - d_horizontalmargin - d_pointerwidth, 0);
painter->translate(pointie.boundingRect().center());
painter->rotate(180);
painter->translate(-pointie.boundingRect().center());
}
// now paint it!
painter->setPen(QPen(bgcolor));
painter->drawPath(pointie);
painter->fillPath(pointie, QBrush(bgcolor));
// rotate back or painter is going to paint the text rotated...
if (outgoing)
{
painter->translate(pointie.boundingRect().center());
painter->rotate(-180);
painter->translate(-pointie.boundingRect().center());
}
// set text color used to draw message body
QAbstractTextDocumentLayout::PaintContext ctx;
if (outgoing)
ctx.palette.setColor(QPalette::Text, QColor("black"));
else
ctx.palette.setColor(QPalette::Text, QColor("white"));
// draw body text
painter->translate((outgoing ? 0 : d_pointerwidth) + d_leftpadding, 0);
bodydoc.documentLayout()->draw(painter, ctx);
painter->restore();
}
inline QSize ListViewDelegate::sizeHint(QStyleOptionViewItem const &option, QModelIndex const &index) const
{
QTextDocument bodydoc;
QTextOption textOption(bodydoc.defaultTextOption());
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
bodydoc.setDefaultTextOption(textOption);
bodydoc.setDefaultFont(QFont("Roboto", 12));
QString bodytext(index.data(Qt::DisplayRole).toString());
bodydoc.setHtml(bodytext);
// the width of the contents are the (a fraction of the window width) minus (margins + padding + width of the bubble's tail)
qreal contentswidth = option.rect.width() * d_widthfraction - d_horizontalmargin - d_pointerwidth - d_leftpadding - d_rightpadding;
// set this available width on the text document
bodydoc.setTextWidth(contentswidth);
QSize size(bodydoc.idealWidth() + d_horizontalmargin + d_pointerwidth + d_leftpadding + d_rightpadding,
bodydoc.size().height() + d_bottompadding + d_toppadding + d_verticalmargin + 1); // I dont remember why +1, haha, might not be necessary
if (index.row() == 0) // have extra margin at top of first item
size += QSize(0, d_verticalmargin);
return size;
}
class ChatItem
{
private:
@@ -117,6 +263,15 @@ class ChatItem
_outgoing = true;
}
QString toChatLine()
{
QDateTime myDateTime;
myDateTime.setTime_t(_timestamp);
QString line = QString("[") + myDateTime.toString("dd.MM.yyyy hh:mm:ss ") + QString("] ");
line += QString(_memo) + QString("\n");
return line;
}
~ChatItem()
{
/*delete timestamp;
@@ -145,8 +300,8 @@ class ChatModel
void setItems(std::map<QString, ChatItem> items);
QString zaddr();
void setItems(std::vector<ChatItem> items);
void renderChatBox(Ui::MainWindow* ui, QListWidget &view);
void renderChatBox(Ui::MainWindow* ui, QListWidget *view);
void renderChatBox(Ui::MainWindow* ui, QListView &view);
void renderChatBox(Ui::MainWindow* ui, QListView *view);
void showMessages();
void clear();
void addMessage(ChatItem item);