File size: 6,851 Bytes
f8c73f9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | """Small, size-aware widgets used by the generation workspace."""
from __future__ import annotations
from PySide6.QtCore import QRect, QSize, Qt
from PySide6.QtGui import QColor, QPainter, QPainterPath, QPixmap
from PySide6.QtWidgets import (
QFrame, QHBoxLayout, QLabel, QListWidget, QSizePolicy,
QStyledItemDelegate, QStyle, QVBoxLayout, QWidget,
)
class ImagePreview(QWidget):
"""Paint an image without letting its pixel dimensions enlarge the layout."""
def __init__(self, text: str = "No image selected", parent=None):
super().__init__(parent)
self._image = QPixmap()
self._text = text
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Expanding)
self.setMinimumSize(80, 80)
def sizeHint(self):
return QSize(360, 260)
def setPixmap(self, image: QPixmap):
self._image = image
self.update()
def setText(self, text: str):
self._text = text
self.update()
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.fillRect(self.rect(), QColor("#040d15"))
if self._image.isNull():
painter.setPen(QColor("#89a7bc"))
painter.drawText(self.rect().adjusted(18, 12, -18, -12), Qt.AlignCenter | Qt.TextWordWrap, self._text)
return
size = self._image.size()
size.scale(self.size() - QSize(12, 12), Qt.KeepAspectRatio)
destination = QRect(0, 0, size.width(), size.height())
destination.moveCenter(self.rect().center())
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.drawPixmap(destination, self._image)
class ElidedLabel(QLabel):
"""Single-line metadata that cannot force a panel wider than its contents."""
def __init__(self, text="", parent=None):
super().__init__(text, parent)
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Preferred)
self.setMinimumWidth(0)
self.setMinimumHeight(20)
self.setTextFormat(Qt.PlainText)
def setText(self, text):
super().setText(text)
self.setToolTip(text)
def paintEvent(self, event):
painter = QPainter(self)
painter.setPen(self.palette().color(self.foregroundRole()))
painter.drawText(self.contentsRect(), Qt.AlignVCenter | Qt.AlignLeft,
self.fontMetrics().elidedText(self.text(), Qt.ElideRight, self.contentsRect().width()))
def section(number: str, title: str, subtitle: str):
card = QFrame()
card.setObjectName("GenerationSection")
layout = QVBoxLayout(card)
layout.setContentsMargins(12, 10, 12, 12)
layout.setSpacing(8)
header = QHBoxLayout()
badge = QLabel(number)
badge.setObjectName("GenerationNumber")
badge.setAlignment(Qt.AlignCenter)
badge.setFixedSize(30, 30)
header.addWidget(badge)
labels = QVBoxLayout()
labels.setSpacing(0)
heading = QLabel(title)
heading.setObjectName("GenerationHeading")
labels.addWidget(heading)
if subtitle:
detail = QLabel(subtitle)
detail.setProperty("muted", True)
detail.setWordWrap(True)
labels.addWidget(detail)
header.addLayout(labels, 1)
layout.addLayout(header)
return card, layout, header
def field(label: str, widget: QWidget):
container = QWidget()
layout = QVBoxLayout(container)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(4)
layout.addWidget(QLabel(label))
layout.addWidget(widget)
container.setMinimumWidth(0)
return container
class GeneratorCardDelegate(QStyledItemDelegate):
def sizeHint(self, option, index):
size = self.parent().gridSize()
return QSize(max(176, size.width()), 182)
def paint(self, painter, option, index):
painter.save()
painter.setRenderHint(QPainter.Antialiasing)
rect = option.rect.adjusted(4, 4, -4, -4)
selected = bool(option.state & QStyle.State_Selected)
hovered = bool(option.state & QStyle.State_MouseOver)
painter.setPen(QColor("#16b7f2" if selected or hovered else "#204c68"))
painter.setBrush(QColor("#0b2030" if selected or hovered else "#081925"))
painter.drawRoundedRect(rect, 7, 7)
image_rect = rect.adjusted(5, 5, -5, -69)
icon = index.data(Qt.DecorationRole)
if icon:
image = icon.pixmap(QSize(480, 240))
if not image.isNull():
image = image.scaled(image_rect.size(), Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)
painter.save()
clip = QPainterPath()
clip.addRoundedRect(image_rect, 4, 4)
painter.setClipPath(clip)
painter.drawPixmap(image_rect.center().x() - image.width() // 2,
image_rect.center().y() - image.height() // 2, image)
painter.restore()
lines = str(index.data(Qt.DisplayRole) or "").split("\n")
painter.setPen(QColor("#edf5fb"))
font = painter.font()
font.setBold(True)
painter.setFont(font)
painter.drawText(rect.adjusted(10, rect.height() - 64, -10, -42), Qt.AlignVCenter,
painter.fontMetrics().elidedText(lines[0], Qt.ElideRight, rect.width() - 20))
font.setBold(False)
painter.setFont(font)
painter.setPen(QColor("#94b3c9"))
painter.drawText(rect.adjusted(10, rect.height() - 43, -10, -22), Qt.AlignVCenter,
lines[1] if len(lines) > 1 else "")
painter.setPen(QColor("#38c4ff"))
painter.drawText(rect.adjusted(10, rect.height() - 24, -10, -3), Qt.AlignVCenter, "Open →")
painter.restore()
class GeneratorCards(QListWidget):
def __init__(self):
super().__init__()
self.setViewMode(QListWidget.IconMode)
self.setResizeMode(QListWidget.Adjust)
self.setMovement(QListWidget.Static)
self.setMouseTracking(True)
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setItemDelegate(GeneratorCardDelegate(self))
self.setGridSize(QSize(220, 182))
self.setMinimumHeight(190)
self.setMaximumHeight(212)
def resizeEvent(self, event):
super().resizeEvent(event)
self.fit_cards()
def keyPressEvent(self, event):
if event.key() in (Qt.Key_Return, Qt.Key_Enter) and self.currentItem() is not None:
self.itemClicked.emit(self.currentItem())
event.accept()
return
super().keyPressEvent(event)
def fit_cards(self):
available = max(180, self.viewport().width() - 14)
columns = max(1, min(max(1, self.count()), 4, available // 176))
self.setGridSize(QSize(available // columns, 182))
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