]> git.saurik.com Git - wxWidgets.git/blobdiff - wxPython/wx/lib/colourchooser/pycolourchooser.py
added a test to check how exception handling works with Win32 SEH; corrected copyright
[wxWidgets.git] / wxPython / wx / lib / colourchooser / pycolourchooser.py
index 2429cecc95ce3ef726a206ff3bc00278c28394a1..295698896d41d149bf346688a07e0f943159a893 100644 (file)
@@ -1,8 +1,413 @@
+"""
+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.
 
-from wx import _rename
-from wxPython.lib.colourchooser import pycolourchooser
-_rename(globals(), pycolourchooser.__dict__, modulename='lib.colourchooser.pycolourchooser')
-del pycolourchooser
-del _rename
+This version of PyColourChooser is open source; you can redistribute it
+and/or modify it under the licensed terms.
+
+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()