diff options
Diffstat (limited to 'launcher/ui/widgets')
-rw-r--r-- | launcher/ui/widgets/Common.cpp | 22 | ||||
-rw-r--r-- | launcher/ui/widgets/Common.h | 9 | ||||
-rw-r--r-- | launcher/ui/widgets/ProjectItem.cpp | 78 | ||||
-rw-r--r-- | launcher/ui/widgets/ProjectItem.h | 25 |
4 files changed, 123 insertions, 11 deletions
diff --git a/launcher/ui/widgets/Common.cpp b/launcher/ui/widgets/Common.cpp index f72f3596..097bb6d4 100644 --- a/launcher/ui/widgets/Common.cpp +++ b/launcher/ui/widgets/Common.cpp @@ -1,27 +1,33 @@ #include "Common.h" // Origin: Qt -QStringList viewItemTextLayout(QTextLayout &textLayout, int lineWidth, qreal &height, - qreal &widthUsed) +// More specifically, this is a trimmed down version on the algorithm in: +// https://code.woboq.org/qt5/qtbase/src/widgets/styles/qcommonstyle.cpp.html#846 +QList<std::pair<qreal, QString>> viewItemTextLayout(QTextLayout& textLayout, int lineWidth, qreal& height) { - QStringList lines; + QList<std::pair<qreal, QString>> lines; height = 0; - widthUsed = 0; + textLayout.beginLayout(); + QString str = textLayout.text(); - while (true) - { + while (true) { QTextLine line = textLayout.createLine(); + if (!line.isValid()) break; if (line.textLength() == 0) break; + line.setLineWidth(lineWidth); line.setPosition(QPointF(0, height)); + height += line.height(); - lines.append(str.mid(line.textStart(), line.textLength())); - widthUsed = qMax(widthUsed, line.naturalTextWidth()); + + lines.append(std::make_pair(line.naturalTextWidth(), str.mid(line.textStart(), line.textLength()))); } + textLayout.endLayout(); + return lines; } diff --git a/launcher/ui/widgets/Common.h b/launcher/ui/widgets/Common.h index b3fbe1a0..b3dd5ca8 100644 --- a/launcher/ui/widgets/Common.h +++ b/launcher/ui/widgets/Common.h @@ -1,6 +1,9 @@ #pragma once -#include <QStringList> + #include <QTextLayout> -QStringList viewItemTextLayout(QTextLayout &textLayout, int lineWidth, qreal &height, - qreal &widthUsed);
\ No newline at end of file +/** Cuts out the text in textLayout into smaller pieces, according to the lineWidth. + * Returns a list of pairs, each containing the width of that line and that line's string, respectively. + * The total height of those lines is set in the last argument, 'height'. + */ +QList<std::pair<qreal, QString>> viewItemTextLayout(QTextLayout& textLayout, int lineWidth, qreal& height); diff --git a/launcher/ui/widgets/ProjectItem.cpp b/launcher/ui/widgets/ProjectItem.cpp new file mode 100644 index 00000000..56ae35fb --- /dev/null +++ b/launcher/ui/widgets/ProjectItem.cpp @@ -0,0 +1,78 @@ +#include "ProjectItem.h" + +#include "Common.h" + +#include <QIcon> +#include <QPainter> + +ProjectItemDelegate::ProjectItemDelegate(QWidget* parent) : QStyledItemDelegate(parent) {} + +void ProjectItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const +{ + painter->save(); + + QStyleOptionViewItem opt(option); + initStyleOption(&opt, index); + + auto& rect = opt.rect; + auto icon_width = rect.height(), icon_height = rect.height(); + auto remaining_width = rect.width() - icon_width; + + if (opt.state & QStyle::State_Selected) { + painter->fillRect(rect, opt.palette.highlight()); + painter->setPen(opt.palette.highlightedText().color()); + } else if (opt.state & QStyle::State_MouseOver) { + painter->fillRect(rect, opt.palette.window()); + } + + { // Icon painting + // Square-sized, occupying the left portion + opt.icon.paint(painter, rect.x(), rect.y(), icon_width, icon_height); + } + + { // Title painting + auto title = index.data(UserDataTypes::TITLE).toString(); + + painter->save(); + + auto font = opt.font; + if (index.data(UserDataTypes::SELECTED).toBool()) { + // Set nice font + font.setBold(true); + font.setUnderline(true); + } + + font.setPointSize(font.pointSize() + 2); + painter->setFont(font); + + // On the top, aligned to the left after the icon + painter->drawText(rect.x() + icon_width, rect.y() + QFontMetrics(font).height(), title); + + painter->restore(); + } + + { // Description painting + auto description = index.data(UserDataTypes::DESCRIPTION).toString(); + + QTextLayout text_layout(description, opt.font); + + qreal height = 0; + auto cut_text = viewItemTextLayout(text_layout, remaining_width, height); + + // Get first line unconditionally + description = cut_text.first().second; + // Get second line, elided if needed + if (cut_text.size() > 1) { + if (cut_text.size() > 2) + description += opt.fontMetrics.elidedText(cut_text.at(1).second, opt.textElideMode, cut_text.at(1).first); + else + description += cut_text.at(1).second; + } + + // On the bottom, aligned to the left after the icon, and featuring at most two lines of text (with some margin space to spare) + painter->drawText(rect.x() + icon_width, rect.y() + rect.height() - 2.2 * opt.fontMetrics.height(), remaining_width, + 2 * opt.fontMetrics.height(), Qt::TextWordWrap, description); + } + + painter->restore(); +} diff --git a/launcher/ui/widgets/ProjectItem.h b/launcher/ui/widgets/ProjectItem.h new file mode 100644 index 00000000..f668edf6 --- /dev/null +++ b/launcher/ui/widgets/ProjectItem.h @@ -0,0 +1,25 @@ +#pragma once + +#include <QStyledItemDelegate> + +/* Custom data types for our custom list models :) */ +enum UserDataTypes { + TITLE = 257, // QString + DESCRIPTION = 258, // QString + SELECTED = 259 // bool +}; + +/** This is an item delegate composed of: + * - An Icon on the left + * - A title + * - A description + * */ +class ProjectItemDelegate final : public QStyledItemDelegate { + Q_OBJECT + + public: + ProjectItemDelegate(QWidget* parent); + + void paint(QPainter*, const QStyleOptionViewItem&, const QModelIndex&) const override; + +}; |