+"""
+PyColourChooser
+Copyright (C) 2002 Michael Gilfix <mgilfix@eecs.tufts.edu>
-"""Renamer stub: provides a way to drop the wx prefix from wxPython objects."""
+This file is part of PyColourChooser.
-__cvsid__ = "$Id$"
-__revision__ = "$Revision$"[11:-2]
+This version of PyColourChooser is open source; you can redistribute it
+and/or modify it under the licensed terms.
-from wx import _rename
-from wxPython.lib.colourchooser import pycolourchooser
-_rename(globals(), pycolourchooser.__dict__, modulename='lib.colourchooser.pycolourchooser')
-del pycolourchooser
-del _rename
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+"""
+
+# 12/14/2003 - Jeff Grimmett (grimmtooth@softhome.net)
+#
+# o 2.5 compatability update.
+#
+# 12/21/2003 - Jeff Grimmett (grimmtooth@softhome.net)
+#
+# o wxPyColorChooser -> PyColorChooser
+# o wxPyColourChooser -> PyColourChooser
+# o Added wx.InitAllImageHandlers() to test code since
+# that's where it belongs.
+#
+
+import wx
+
+import pycolourbox
+import pypalette
+import pycolourslider
+import colorsys
+import intl
+
+from intl import _ # _
+
+class PyColourChooser(wx.Panel):
+ """A Pure-Python implementation of the colour chooser dialog.
+
+ The PyColourChooser is a pure python implementation of the colour
+ chooser dialog. It's useful for embedding the colour choosing functionality
+ inside other widgets, when the pop-up dialog is undesirable. It can also
+ be used as a drop-in replacement on the GTK platform, as the native
+ dialog is kind of ugly.
+ """
+
+ colour_names = [
+ 'ORANGE',
+ 'GOLDENROD',
+ 'WHEAT',
+ 'SPRING GREEN',
+ 'SKY BLUE',
+ 'SLATE BLUE',
+ 'MEDIUM VIOLET RED',
+ 'PURPLE',
+
+ 'RED',
+ 'YELLOW',
+ 'MEDIUM SPRING GREEN',
+ 'PALE GREEN',
+ 'CYAN',
+ 'LIGHT STEEL BLUE',
+ 'ORCHID',
+ 'LIGHT MAGENTA',
+
+ 'BROWN',
+ 'YELLOW',
+ 'GREEN',
+ 'CADET BLUE',
+ 'MEDIUM BLUE',
+ 'MAGENTA',
+ 'MAROON',
+ 'ORANGE RED',
+
+ 'FIREBRICK',
+ 'CORAL',
+ 'FOREST GREEN',
+ 'AQUAMARINE',
+ 'BLUE',
+ 'NAVY',
+ 'THISTLE',
+ 'MEDIUM VIOLET RED',
+
+ 'INDIAN RED',
+ 'GOLD',
+ 'MEDIUM SEA GREEN',
+ 'MEDIUM BLUE',
+ 'MIDNIGHT BLUE',
+ 'GREY',
+ 'PURPLE',
+ 'KHAKI',
+
+ 'BLACK',
+ 'MEDIUM FOREST GREEN',
+ 'KHAKI',
+ 'DARK GREY',
+ 'SEA GREEN',
+ 'LIGHT GREY',
+ 'MEDIUM SLATE BLUE',
+ 'WHITE',
+ ]
+
+ # Generate the custom colours. These colours are shared across
+ # all instances of the colour chooser
+ NO_CUSTOM_COLOURS = 16
+ custom_colours = [ (wx.Colour(255, 255, 255),
+ pycolourslider.PyColourSlider.HEIGHT / 2)
+ ] * NO_CUSTOM_COLOURS
+ last_custom = 0
+
+ idADD_CUSTOM = wx.NewId()
+ idSCROLL = wx.NewId()
+
+ def __init__(self, parent, id):
+ """Creates an instance of the colour chooser. Note that it is best to
+ accept the given size of the colour chooser as it is currently not
+ resizeable."""
+ wx.Panel.__init__(self, parent, id)
+
+ self.basic_label = wx.StaticText(self, -1, _("Basic Colours:"))
+ self.custom_label = wx.StaticText(self, -1, _("Custom Colours:"))
+ self.add_button = wx.Button(self, self.idADD_CUSTOM, _("Add to Custom Colours"))
+
+ self.Bind(wx.EVT_BUTTON, self.onAddCustom, self.add_button)
+
+ # Since we're going to be constructing widgets that require some serious
+ # computation, let's process any events (like redraws) right now
+ wx.Yield()
+
+ # Create the basic colours palette
+ self.colour_boxs = [ ]
+ colour_grid = wx.GridSizer(6, 8)
+ for name in self.colour_names:
+ new_id = wx.NewId()
+ box = pycolourbox.PyColourBox(self, new_id)
+
+ box.GetColourBox().Bind(wx.EVT_LEFT_DOWN, lambda x, b=box: self.onBasicClick(x, b))
+
+ self.colour_boxs.append(box)
+ colour_grid.Add(box, 0, wx.EXPAND)
+
+ # Create the custom colours palette
+ self.custom_boxs = [ ]
+ custom_grid = wx.GridSizer(2, 8)
+ for wxcolour, slidepos in self.custom_colours:
+ new_id = wx.NewId()
+ custom = pycolourbox.PyColourBox(self, new_id)
+
+ custom.GetColourBox().Bind(wx.EVT_LEFT_DOWN, lambda x, b=custom: self.onCustomClick(x, b))
+
+ custom.SetColour(wxcolour)
+ custom_grid.Add(custom, 0, wx.EXPAND)
+ self.custom_boxs.append(custom)
+
+ csizer = wx.BoxSizer(wx.VERTICAL)
+ csizer.Add((1, 25))
+ csizer.Add(self.basic_label, 0, wx.EXPAND)
+ csizer.Add((1, 5))
+ csizer.Add(colour_grid, 0, wx.EXPAND)
+ csizer.Add((1, 25))
+ csizer.Add(self.custom_label, 0, wx.EXPAND)
+ csizer.Add((1, 5))
+ csizer.Add(custom_grid, 0, wx.EXPAND)
+ csizer.Add((1, 5))
+ csizer.Add(self.add_button, 0, wx.EXPAND)
+
+ self.palette = pypalette.PyPalette(self, -1)
+ self.colour_slider = pycolourslider.PyColourSlider(self, -1)
+ self.slider = wx.Slider(
+ self, self.idSCROLL, 86, 0, self.colour_slider.HEIGHT - 1,
+ style=wx.SL_VERTICAL, size=(15, self.colour_slider.HEIGHT)
+ )
+
+ self.Bind(wx.EVT_COMMAND_SCROLL, self.onScroll, self.slider)
+ psizer = wx.BoxSizer(wx.HORIZONTAL)
+ psizer.Add(self.palette, 0, 0)
+ psizer.Add((10, 1))
+ psizer.Add(self.colour_slider, 0, wx.ALIGN_CENTER_VERTICAL)
+ psizer.Add(self.slider, 0, wx.ALIGN_CENTER_VERTICAL)
+
+ # Register mouse events for dragging across the palette
+ self.palette.Bind(wx.EVT_LEFT_DOWN, self.onPaletteDown)
+ self.palette.Bind(wx.EVT_LEFT_UP, self.onPaletteUp)
+ self.palette.Bind(wx.EVT_MOTION, self.onPaletteMotion)
+ self.mouse_down = False
+
+ self.solid = pycolourbox.PyColourBox(self, -1, size=(75, 50))
+ slabel = wx.StaticText(self, -1, _("Solid Colour"))
+ ssizer = wx.BoxSizer(wx.VERTICAL)
+ ssizer.Add(self.solid, 0, 0)
+ ssizer.Add((1, 2))
+ ssizer.Add(slabel, 0, wx.ALIGN_CENTER_HORIZONTAL)
+
+ hlabel = wx.StaticText(self, -1, _("H:"))
+ self.hentry = wx.TextCtrl(self, -1)
+ self.hentry.SetSize((40, -1))
+ slabel = wx.StaticText(self, -1, _("S:"))
+ self.sentry = wx.TextCtrl(self, -1)
+ self.sentry.SetSize((40, -1))
+ vlabel = wx.StaticText(self, -1, _("V:"))
+ self.ventry = wx.TextCtrl(self, -1)
+ self.ventry.SetSize((40, -1))
+ hsvgrid = wx.FlexGridSizer(1, 6, 2, 2)
+ hsvgrid.AddMany ([
+ (hlabel, 0, wx.ALIGN_CENTER_VERTICAL), (self.hentry, 0, wx.FIXED_MINSIZE),
+ (slabel, 0, wx.ALIGN_CENTER_VERTICAL), (self.sentry, 0, wx.FIXED_MINSIZE),
+ (vlabel, 0, wx.ALIGN_CENTER_VERTICAL), (self.ventry, 0, wx.FIXED_MINSIZE),
+ ])
+
+ rlabel = wx.StaticText(self, -1, _("R:"))
+ self.rentry = wx.TextCtrl(self, -1)
+ self.rentry.SetSize((40, -1))
+ glabel = wx.StaticText(self, -1, _("G:"))
+ self.gentry = wx.TextCtrl(self, -1)
+ self.gentry.SetSize((40, -1))
+ blabel = wx.StaticText(self, -1, _("B:"))
+ self.bentry = wx.TextCtrl(self, -1)
+ self.bentry.SetSize((40, -1))
+ lgrid = wx.FlexGridSizer(1, 6, 2, 2)
+ lgrid.AddMany([
+ (rlabel, 0, wx.ALIGN_CENTER_VERTICAL), (self.rentry, 0, wx.FIXED_MINSIZE),
+ (glabel, 0, wx.ALIGN_CENTER_VERTICAL), (self.gentry, 0, wx.FIXED_MINSIZE),
+ (blabel, 0, wx.ALIGN_CENTER_VERTICAL), (self.bentry, 0, wx.FIXED_MINSIZE),
+ ])
+
+ gsizer = wx.GridSizer(2, 1)
+ gsizer.SetVGap (10)
+ gsizer.SetHGap (2)
+ gsizer.Add(hsvgrid, 0, wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER_HORIZONTAL)
+ gsizer.Add(lgrid, 0, wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER_HORIZONTAL)
+
+ hsizer = wx.BoxSizer(wx.HORIZONTAL)
+ hsizer.Add(ssizer, 0, wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER_HORIZONTAL)
+ hsizer.Add(gsizer, 0, wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER_HORIZONTAL)
+
+ vsizer = wx.BoxSizer(wx.VERTICAL)
+ vsizer.Add((1, 5))
+ vsizer.Add(psizer, 0, 0)
+ vsizer.Add((1, 15))
+ vsizer.Add(hsizer, 0, wx.EXPAND)
+
+ sizer = wx.BoxSizer(wx.HORIZONTAL)
+ sizer.Add((5, 1))
+ sizer.Add(csizer, 0, wx.EXPAND)
+ sizer.Add((10, 1))
+ sizer.Add(vsizer, 0, wx.EXPAND)
+ self.SetAutoLayout(True)
+ self.SetSizer(sizer)
+ sizer.Fit(self)
+
+ self.InitColours()
+ self.UpdateColour(self.solid.GetColour())
+
+ def InitColours(self):
+ """Initializes the pre-set palette colours."""
+ for i in range(len(self.colour_names)):
+ colour = wx.TheColourDatabase.FindColour(self.colour_names[i])
+ self.colour_boxs[i].SetColourTuple((colour.Red(),
+ colour.Green(),
+ colour.Blue()))
+
+ def onBasicClick(self, event, box):
+ """Highlights the selected colour box and updates the solid colour
+ display and colour slider to reflect the choice."""
+ if hasattr(self, '_old_custom_highlight'):
+ self._old_custom_highlight.SetHighlight(False)
+ if hasattr(self, '_old_colour_highlight'):
+ self._old_colour_highlight.SetHighlight(False)
+ box.SetHighlight(True)
+ self._old_colour_highlight = box
+ self.UpdateColour(box.GetColour())
+
+ def onCustomClick(self, event, box):
+ """Highlights the selected custom colour box and updates the solid
+ colour display and colour slider to reflect the choice."""
+ if hasattr(self, '_old_colour_highlight'):
+ self._old_colour_highlight.SetHighlight(False)
+ if hasattr(self, '_old_custom_highlight'):
+ self._old_custom_highlight.SetHighlight(False)
+ box.SetHighlight(True)
+ self._old_custom_highlight = box
+
+ # Update the colour panel and then the slider accordingly
+ box_index = self.custom_boxs.index(box)
+ base_colour, slidepos = self.custom_colours[box_index]
+ self.UpdateColour(box.GetColour())
+ self.slider.SetValue(slidepos)
+
+ def onAddCustom(self, event):
+ """Adds a custom colour to the custom colour box set. Boxes are
+ chosen in a round-robin fashion, eventually overwriting previously
+ added colours."""
+ # Store the colour and slider position so we can restore the
+ # custom colours just as they were
+ self.setCustomColour(self.last_custom,
+ self.solid.GetColour(),
+ self.colour_slider.GetBaseColour(),
+ self.slider.GetValue())
+ self.last_custom = (self.last_custom + 1) % self.NO_CUSTOM_COLOURS
+
+ def setCustomColour (self, index, true_colour, base_colour, slidepos):
+ """Sets the custom colour at the given index. true_colour is wxColour
+ object containing the actual rgb value of the custom colour.
+ base_colour (wxColour) and slidepos (int) are used to configure the
+ colour slider and set everything to its original position."""
+ self.custom_boxs[index].SetColour(true_colour)
+ self.custom_colours[index] = (base_colour, slidepos)
+
+ def UpdateColour(self, colour):
+ """Performs necessary updates for when the colour selection has
+ changed."""
+ # Reset the palette to erase any highlighting
+ self.palette.ReDraw()
+
+ # Set the color info
+ self.solid.SetColour(colour)
+ self.colour_slider.SetBaseColour(colour)
+ self.colour_slider.ReDraw()
+ self.slider.SetValue(0)
+ self.UpdateEntries(colour)
+
+ def UpdateEntries(self, colour):
+ """Updates the color levels to display the new values."""
+ # Temporary bindings
+ r = colour.Red()
+ g = colour.Green()
+ b = colour.Blue()
+
+ # Update the RGB entries
+ self.rentry.SetValue(str(r))
+ self.gentry.SetValue(str(g))
+ self.bentry.SetValue(str(b))
+
+ # Convert to HSV
+ h,s,v = colorsys.rgb_to_hsv(r / 255.0, g / 255.0, b / 255.0)
+ self.hentry.SetValue("%.2f" % (h))
+ self.sentry.SetValue("%.2f" % (s))
+ self.ventry.SetValue("%.2f" % (v))
+
+ def onPaletteDown(self, event):
+ """Stores state that the mouse has been pressed and updates
+ the selected colour values."""
+ self.mouse_down = True
+ self.palette.ReDraw()
+ self.doPaletteClick(event.m_x, event.m_y)
+
+ def onPaletteUp(self, event):
+ """Stores state that the mouse is no longer depressed."""
+ self.mouse_down = False
+
+ def onPaletteMotion(self, event):
+ """Updates the colour values during mouse motion while the
+ mouse button is depressed."""
+ if self.mouse_down:
+ self.doPaletteClick(event.m_x, event.m_y)
+
+ def doPaletteClick(self, m_x, m_y):
+ """Updates the colour values based on the mouse location
+ over the palette."""
+ # Get the colour value and update
+ colour = self.palette.GetValue(m_x, m_y)
+ self.UpdateColour(colour)
+
+ # Highlight a fresh selected area
+ self.palette.ReDraw()
+ self.palette.HighlightPoint(m_x, m_y)
+
+ # Force an onscreen update
+ self.solid.Update()
+ self.colour_slider.Refresh()
+
+ def onScroll(self, event):
+ """Updates the solid colour display to reflect the changing slider."""
+ value = self.slider.GetValue()
+ colour = self.colour_slider.GetValue(value)
+ self.solid.SetColour(colour)
+ self.UpdateEntries(colour)
+
+ def SetValue(self, colour):
+ """Updates the colour chooser to reflect the given wxColour."""
+ self.UpdateColour(colour)
+
+ def GetValue(self):
+ """Returns a wxColour object indicating the current colour choice."""
+ return self.solid.GetColour()
+
+def main():
+ """Simple test display."""
+ class App(wx.App):
+ def OnInit(self):
+ frame = wx.Frame(None, -1, 'PyColourChooser Test')
+
+ # Added here because that's where it's supposed to be,
+ # not embedded in the library. If it's embedded in the
+ # library, debug messages will be generated for duplicate
+ # handlers.
+ wx.InitAllImageHandlers()
+
+ chooser = PyColourChooser(frame, -1)
+ sizer = wx.BoxSizer(wx.VERTICAL)
+ sizer.Add(chooser, 0, 0)
+ frame.SetAutoLayout(True)
+ frame.SetSizer(sizer)
+ sizer.Fit(frame)
+
+ frame.Show(True)
+ self.SetTopWindow(frame)
+ return True
+ app = App(False)
+ app.MainLoop()
+
+if __name__ == '__main__':
+ main()
projects / wxWidgets.git / blobdiff