diff -r 000000000000 -r de9c2efb9d02 IconEditor/IconEditorPalette.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/IconEditor/IconEditorPalette.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,124 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a palette widget for the icon editor.
+"""
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+class IconEditorPalette(QWidget):
+ """
+ Class implementing a palette widget for the icon editor.
+
+ @signal colorSelected(QColor) emitted after a new color has been selected
+ """
+ def __init__(self, parent = None):
+ """
+ Constructor
+
+ @param parent reference to the parent widget (QWidget)
+ """
+ QWidget.__init__(self, parent)
+
+ if self.layoutDirection == Qt.Horizontal:
+ direction = QBoxLayout.LeftToRight
+ else:
+ direction = QBoxLayout.TopToBottom
+ self.__layout = QBoxLayout(direction, self)
+ self.setLayout(self.__layout)
+
+ self.__preview = QLabel(self)
+ self.__preview.setFrameStyle(QFrame.Panel | QFrame.Sunken)
+ self.__preview.setFixedHeight(64)
+ self.__preview.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
+ self.__preview.setWhatsThis(self.trUtf8(
+ """<b>Preview</b>"""
+ """<p>This is a 1:1 preview of the current icon.</p>"""
+ ))
+ self.__layout.addWidget(self.__preview)
+
+ self.__color = QLabel(self)
+ self.__color.setFrameStyle(QFrame.Panel | QFrame.Sunken)
+ self.__color.setFixedHeight(24)
+ self.__color.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
+ self.__color.setWhatsThis(self.trUtf8(
+ """<b>Current Color</b>"""
+ """<p>This is the currently selected color used for drawing.</p>"""
+ ))
+ self.__layout.addWidget(self.__color)
+
+ self.__colorTxt = QLabel(self)
+ self.__colorTxt.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
+ self.__colorTxt.setWhatsThis(self.trUtf8(
+ """<b>Current Color Value</b>"""
+ """<p>This is the currently selected color value used for drawing.</p>"""
+ ))
+ self.__layout.addWidget(self.__colorTxt)
+
+ self.__colorButton = QPushButton(self.trUtf8("Select Color"), self)
+ self.__colorButton.setWhatsThis(self.trUtf8(
+ """<b>Select Color</b>"""
+ """<p>Select the current drawing color via a color selection dialog.</p>"""
+ ))
+ self.connect(self.__colorButton, SIGNAL("clicked()"), self.__selectColor)
+ self.__layout.addWidget(self.__colorButton)
+
+ self.__colorAlpha = QSpinBox(self)
+ self.__colorAlpha.setRange(0, 255)
+ self.__colorAlpha.setWhatsThis(self.trUtf8(
+ """<b>Select alpha channel value</b>"""
+ """<p>Select the value for the alpha channel of the current color.</p>"""
+ ))
+ self.__layout.addWidget(self.__colorAlpha)
+ self.connect(self.__colorAlpha, SIGNAL("valueChanged(int)"),
+ self.__alphaChanged)
+
+ spacer = QSpacerItem(10, 10, QSizePolicy.Minimum, QSizePolicy.Expanding)
+ self.__layout.addItem(spacer)
+
+ def previewChanged(self, pixmap):
+ """
+ Public slot to update the preview.
+ """
+ self.__preview.setPixmap(pixmap)
+
+ def colorChanged(self, color):
+ """
+ Public slot to update the color preview.
+ """
+ self.__currentColor = color
+ self.__currentAlpha = color.alpha()
+
+ pm = QPixmap(90, 18)
+ pm.fill(color)
+ self.__color.setPixmap(pm)
+
+ self.__colorTxt.setText(
+ "%d, %d, %d, %d" % (color.red(), color.green(), color.blue(), color.alpha()))
+
+ self.__colorAlpha.setValue(self.__currentAlpha)
+
+ def __selectColor(self):
+ """
+ Private slot to select a new drawing color.
+ """
+ col = QColorDialog.getColor(self.__currentColor)
+ col.setAlpha(self.__currentAlpha)
+
+ if col.isValid():
+ self.emit(SIGNAL("colorSelected(QColor)"), col)
+
+ def __alphaChanged(self, val):
+ """
+ Private slot to track changes of the alpha channel.
+
+ @param val value of the alpha channel
+ """
+ if val != self.__currentAlpha:
+ col = QColor(self.__currentColor)
+ col.setAlpha(val)
+ self.emit(SIGNAL("colorSelected(QColor)"), col)
