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color button with drop down

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Andreas Huber
2021-10-30 20:28:19 +02:00
parent f3f700f737
commit 2826b93432
3 changed files with 75 additions and 23 deletions
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87
colorbutton.py
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@@ -1,26 +1,75 @@
import re
from PyQt6.QtGui import QColor
from PyQt6.QtWidgets import QWidget, QHBoxLayout, QPushButton, QColorDialog, QSizePolicy
from PyQt6.QtCore import QSize, Qt, QRect
from PyQt6.QtGui import QColor, QPainter, QPixmap, QIcon, QBrush, QPen, QPaintEngine
from PyQt6.QtWidgets import QWidget, QHBoxLayout, QPushButton, QColorDialog, QSizePolicy, QComboBox
class ColorButton(QPushButton):
class ColorButton(QWidget):
def __init__(self, color: str):
super(QPushButton, self).__init__()
self.color = color
self.setStyleSheet("background-color: #%s" % color)
self.pressed.connect(self._update_color)
super(QWidget, self).__init__()
self.setSizePolicy(QSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Fixed))
self.layout = QHBoxLayout(self)
self.color = color
colors = ['aliceblue', 'antiquewhite', 'aqua', 'aquamarine', 'azure', 'beige', 'bisque', 'black',
'blanchedalmond', 'blue', 'blueviolet', 'brown', 'burlywood', 'cadetblue', 'chartreuse', 'chocolate',
'coral', 'cornflowerblue', 'cornsilk', 'crimson', 'cyan', 'darkblue', 'darkcyan', 'darkgoldenrod',
'darkgray', 'darkgreen', 'darkgrey', 'darkkhaki', 'darkmagenta', 'darkolivegreen', 'darkorange',
'darkorchid', 'darkred', 'darksalmon', 'darkseagreen', 'darkslateblue', 'darkslategray',
'darkslategrey', 'darkturquoise', 'darkviolet', 'deeppink', 'deepskyblue', 'dimgray', 'dimgrey',
'dodgerblue', 'firebrick', 'floralwhite', 'forestgreen', 'fuchsia', 'gainsboro', 'ghostwhite', 'gold',
'goldenrod', 'gray', 'green', 'greenyellow', 'grey', 'honeydew', 'hotpink', 'indianred', 'indigo',
'ivory', 'khaki', 'lavender', 'lavenderblush', 'lawngreen', 'lemonchiffon', 'lightblue', 'lightcoral',
'lightcyan', 'lightgoldenrodyellow', 'lightgray', 'lightgreen', 'lightgrey', 'lightpink',
'lightsalmon', 'lightseagreen', 'lightskyblue', 'lightslategray', 'lightslategrey', 'lightsteelblue',
'lightyellow', 'lime', 'limegreen', 'linen', 'magenta', 'maroon', 'mediumaquamarine', 'mediumblue',
'mediumorchid', 'mediumpurple', 'mediumseagreen', 'mediumslateblue', 'mediumspringgreen',
'mediumturquoise', 'mediumvioletred', 'midnightblue', 'mintcream', 'mistyrose', 'moccasin',
'navajowhite', 'navy', 'oldlace', 'olive', 'olivedrab', 'orange', 'orangered', 'orchid',
'palegoldenrod', 'palegreen', 'paleturquoise', 'palevioletred', 'papayawhip', 'peachpuff', 'peru',
'pink', 'plum', 'powderblue', 'purple', 'red', 'rosybrown', 'royalblue', 'saddlebrown', 'salmon',
'sandybrown', 'seagreen', 'seashell', 'sienna', 'silver', 'skyblue', 'slateblue', 'slategray',
'slategrey', 'snow', 'springgreen', 'steelblue', 'tan', 'teal', 'thistle', 'tomato', 'transparent',
'turquoise', 'violet', 'wheat', 'white', 'whitesmoke', 'yellow', 'yellowgreen']
colors = {
self.tr('Yellow'): 'fbe7c6',
self.tr('Mint'): 'b4f8c8',
self.tr('Tiffany Blue'): 'a0e7e5',
self.tr('Hot Pink'): 'ffaebc',
}
self.color_drop_down = QComboBox()
self.layout.addWidget(self.color_drop_down)
self.color_drop_down.addItem("transparent", "None")
for color_name in colors.keys():
color_value = colors[color_name]
self.color_drop_down.addItem(QIcon(self._color_pixmap(color_value)), color_name, color_value)
self.color_drop_down.currentIndexChanged.connect(self._color_selected)
self.btn_color_picker = QPushButton(self.tr("custom"))
self.layout.addWidget(self.btn_color_picker)
self.btn_color_picker.pressed.connect(self._update_color)
self.btn_color_picker.setSizePolicy(QSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Fixed))
def _color_selected(self, index: int):
self.color = self.color_drop_down.currentData()
print(self.color)
def set_color(self, color: str):
if self._is_hex_color(color):
self.setStyleSheet("background-color: #%s" % color)
self.setText(color)
self.color = color
else:
self.setStyleSheet("background-color: none")
self.setText(self.tr("not set"))
self.color = "None"
self.color = color
for index in range(0, self.color_drop_down.count()):
item_value = self.color_drop_down.itemData(index)
if item_value == color:
self.color_drop_down.setCurrentIndex(index)
return
# color not yet present -> add it
self.color_drop_down.addItem(QIcon(self._color_pixmap(color)), color, color)
self.color_drop_down.setCurrentIndex(self.color_drop_down.count() - 1)
def _update_color(self):
new_color = QColorDialog.getColor(self._to_qcolor(self.color))
@@ -32,12 +81,20 @@ class ColorButton(QPushButton):
def _is_hex_color(color: str):
return re.match("[0-9a-f]{6}", color, flags=re.IGNORECASE)
def _color_pixmap(self, color: str) -> QPixmap:
pixmap = QPixmap(40, 40)
qcolor = self._to_qcolor(color)
pixmap.fill((qcolor))
return pixmap
def _to_qcolor(self, color: str):
if self._is_hex_color(color):
red = int(color[0:2], 16)
green = int(color[2:4], 16)
blue = int(color[4:6], 16)
return QColor(red, green, blue)
elif color in QColor().colorNames():
return QColor(color)
return QColor(255, 255, 255)
def _to_hex(self, color: QColor) -> str: