def editColor(self):
button_clicked = self.sender()
index = self.btnClass.index(button_clicked)
label_name = self.lineeditClass[index].text()
color_dlg = QColorDialog(self)
color = self.labels[label_name]
r = color[0]
g = color[1]
b = color[2]
current_color = QColor(r, g, b, 255)
color_dlg.setCustomColor(0, current_color)
selected_color = color_dlg.getColor()
r = selected_color.red()
g = selected_color.green()
b = selected_color.blue()
self.labels[label_name] = [r, g, b]
style_text = "QPushButton:flat {background-color: rgb(" + str(
r) + "," + str(g) + "," + str(b) + "); border: none ;}"
button_clicked.setStyleSheet(style_text)
def _show_color_dialog(current_color, parent):
dialog = QColorDialog()
for idx, color in enumerate(DEFAULT_COLORS):
dialog.setCustomColor(idx, color)
current_color = dialog.getColor(current_color, parent, 'Select line color')
if current_color.isValid():
return current_color
def on_user_event(self):
colord = QColorDialog()#self._color)
colord.setOption(QColorDialog.DontUseNativeDialog)
if self._kind == "rgbf":
colord.setOption(QColorDialog.ShowAlphaChannel)
colord.setCurrentColor(self._color)
colord.setCustomColor(0, self._color)
if colord.exec():
self.update_color(colord.currentColor())
def task_color_dialog(self):
task_color = QColor(self.current_task_color)
dialog = QColorDialog()
if task_color is None:
task_color = Qt.white
dialog.setCustomColor(0, task_color)
color = dialog.getColor()
if color.isValid():
self.current_task_color = color.name()
self.set_bg_color_to_widget(self.current_task_color,
self.widgetColorTask)
def AA(self):
s = self.cd.customCount() # 返回自定义颜色的格数
s = QColorDialog.customCount() # 返回自定义颜色的格数
# 16
QColorDialog.setCustomColor(0, QColor(255, 0, 0)) # 在自定义面板中自定义颜色
# 参数1 格的序号
# 参数2 颜色
# 在显示之前设置好
s = QColorDialog.customColor(0) # 获取自定义面板的颜色 -> QColor
# 参数 格序号
QColorDialog.setStandardColor(5, QColor(0, 0, 255)) # 在标准颜色面板中自定义颜色
# 参数1 格的序号
# 参数2 颜色
s = QColorDialog.standardColor(5) # 获取标准颜色面板的颜色 -> QColor
# 参数 格序号
self.cd.show()
class ColorPicker(QToolButton):
colorReset = pyqtSignal()
def __init__(self,
action: QAction = None,
color_group=None,
default_color=Qt.blue,
*args,
**kwargs):
super().__init__(*args, **kwargs)
self.last_color_action = action if action is not None else QAction(
self)
self._color_group = color_group
dialog_action = QWidgetAction(self)
self._dialog = QColorDialog(self)
self.btReset = None
button_box = self._dialog.findChild(QDialogButtonBox, "")
if button_box is not None:
self.btReset = button_box.addButton(QDialogButtonBox.Reset)
self._dialog.setWindowFlags(Qt.Widget)
self._dialog.setOptions(self._dialog.options()
| QColorDialog.DontUseNativeDialog)
dialog_action.setDefaultWidget(self._dialog)
# Hide pick screen color button
button = self._dialog.findChild(QAbstractButton)
if button:
button.hide()
# Load custom colors
settings = QSettings()
settings.beginGroup("Colors")
custom_colors = settings.value("Custom", [])
for i, color in enumerate(custom_colors):
self._dialog.setCustomColor(i, color)
current_color = QColor(default_color) if color_group is None\
else settings.value(f"{color_group}/Current", QColor(default_color), type=QColor)
if current_color.isValid():
self._dialog.setCurrentColor(current_color)
self.on_color_selected(current_color)
settings.endGroup()
menu = QMenu()
menu.addAction(dialog_action)
self.setMenu(menu)
self.setPopupMode(QToolButton.MenuButtonPopup)
self.setDefaultAction(self.last_color_action)
# Connect events
self.colorSelected = self._dialog.colorSelected
if self.btReset is not None:
self.btReset.clicked.connect(self.colorReset.emit)
self.currentColorChanged = self._dialog.currentColorChanged
menu.aboutToShow.connect(self._dialog.show)
self._dialog.rejected.connect(menu.hide)
self._dialog.colorSelected.connect(menu.hide)
self._dialog.colorSelected.connect(self.on_color_selected)
self.last_color_action.triggered.connect(self.on_use_last_color)
def setIcon(self, icon: QIcon):
super().setIcon(icon)
self.update_icon()
def showEvent(self, *args, **kwargs):
self.update_icon()
super().showEvent(*args, **kwargs)
# noinspection PyUnusedLocal
def on_color_selected(self, color):
self.update_icon()
self.save_settings()
def save_settings(self):
settings = QSettings()
settings.beginGroup("Colors")
custom_colors = [
self._dialog.customColor(i)
for i in range(self._dialog.customCount())
]
settings.setValue('Custom', custom_colors)
if self._color_group is not None:
settings.setValue(f"{self._color_group}/Current",
self._dialog.currentColor())
def update_icon(self):
"""Show selected color on top-left edge of icon"""
current_icon = self.icon()
icon = QIcon()
for size in current_icon.availableSizes():
pixmap = current_icon.pixmap(size)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.setBrush(QBrush(self._dialog.currentColor()))
painter.drawEllipse(0, 0, int(size.width() / 4),
int(size.height() / 4))
painter.end()
icon.addPixmap(pixmap)
super().setIcon(icon)
def on_use_last_color(self):
self.colorSelected.emit(self._dialog.currentColor())
