Author: bugman
Date: Wed Feb 3 01:21:51 2010
New Revision: 10624
URL: http://svn.gna.org/viewcvs/relax?rev=10624&view=rev
Log:
Completely redesigned the relax about dialog into its own widget using
wx.PaintDC.
This works much better! Ideas from
http://zetcode.com/wxpython/customwidgets/ were used.
Modified:
branches/bieri_gui/gui_bieri/about.py
Modified: branches/bieri_gui/gui_bieri/about.py
URL:
http://svn.gna.org/viewcvs/relax/branches/bieri_gui/gui_bieri/about.py?rev=10624&r1=10623&r2=10624&view=diff
==============================================================================
--- branches/bieri_gui/gui_bieri/about.py (original)
+++ branches/bieri_gui/gui_bieri/about.py Wed Feb 3 01:21:51 2010
@@ -44,15 +44,16 @@
class About_base(wx.Dialog):
"""The about dialog base class."""
- # The background colour.
- colour = None
+ # The background colour (gradient if second colour is given).
+ colour1 = None
+ colour2 = None
# Dimensions.
dim_x = 400
dim_y = 100
# Spacer size (px).
- spacer_size = 0
+ boarder = 0
def __init__(self, *args, **kwds):
"""Build the dialog."""
@@ -64,66 +65,15 @@
super(About_base, self).__init__(*args, **kwds)
# The total size.
- self.total_x = self.dim_x + 2*self.spacer_size
- self.total_y = self.dim_y + 2*self.spacer_size
+ self.total_x = self.dim_x + 2*self.boarder
+ self.total_y = self.dim_y + 2*self.boarder
self.SetMinSize((self.total_x, self.total_y))
- # Set a background.
- self.set_background()
-
- # Build the boarder and get the central sizer.
- self.sizer = self.build_boarders()
-
- # An array of objects to bind events to.
- self.obj_list = [self]
-
- # Build the core.
- self.build_core()
+ # Draw everything.
+ self.Bind(wx.EVT_PAINT, self.generate)
# Let the dialog be closable with a left button click.
- self.bind()
-
-
- def bind(self):
- """Bind the left button click to all objects."""
-
- # Loop over the objects.
- for obj in self.obj_list:
- self.Bind(wx.EVT_LEFT_DOWN, self.close, obj)
-
-
- def build_boarders(self):
- """Build the boarder layout and return the central sizer.
-
- @return: The central sizer object.
- @rtype: wx.BoxSizer instance
- """
-
- # The horizontal, vertical, and central sizers.
- sizer_hori = wx.BoxSizer(wx.HORIZONTAL)
- sizer_vert = wx.BoxSizer(wx.VERTICAL)
- sizer_cent = wx.BoxSizer(wx.VERTICAL)
-
- # Fix the size of the central sizer.
- sizer_cent.SetMinSize((self.dim_x, self.dim_y))
-
- # Fill the dialog with the horizontal sizer.
- self.SetSizer(sizer_hori)
-
- # The left and top spacers.
- sizer_hori.AddSpacer(self.spacer_size)
- sizer_vert.AddSpacer(self.spacer_size)
-
- # Pack the sizers together.
- sizer_hori.Add(sizer_vert)
- sizer_vert.Add(sizer_cent)
-
- # The right and bottom spacers.
- sizer_hori.AddSpacer(self.spacer_size)
- sizer_vert.AddSpacer(self.spacer_size)
-
- # Return the central sizer.
- return sizer_cent
+ self.Bind(wx.EVT_LEFT_DOWN, self.close)
def close(self, event):
@@ -140,12 +90,33 @@
event.Skip()
+ def generate(self, event):
+ """Build the device context, add the background, and build the
dialog.
+
+ @param event: The wx event.
+ @type event: wx event
+ """
+
+ # Create the device context.
+ self.dc = wx.PaintDC(self)
+
+ # Set a background.
+ self.set_background()
+
+ # Build the rest of the about widget.
+ self.build_widget()
+
+
def set_background(self):
"""Build a background for the dialog."""
# Set a single colour.
- if self.colour:
- self.SetBackgroundColour(self.colour)
+ if self.colour1 and not self.colour2:
+ self.SetBackgroundColour(self.colour1)
+
+ # A gradient.
+ elif self.colour1 and self.colour2:
+ self.dc.GradientFillLinear((0, 0, self.total_x, self.total_y),
self.colour1, self.colour2, wx.SOUTH)
@@ -153,14 +124,15 @@
"""The about relax dialog."""
# The relax background colour.
- colour = '#e5feff'
+ colour1 = '#e5feff'
+ colour2 = '#88cbff'
# Dimensions.
dim_x = 400
dim_y = 600
# Spacer size (px).
- spacer_size = 10
+ boarder = 10
def __init__(self, *args, **kwds):
"""Build the dialog."""
@@ -169,49 +141,58 @@
super(About_relax, self).__init__(*args, **kwds)
- def add_relax_logo(self, sizer):
- """Add the relax logo to the sizer.
-
- @param sizer: The sizer element to pack the logo into.
- @type sizer: wx.Sizer instance
- """
-
- # The logo.
- logo = wx.StaticBitmap(self, -1,
wx.Bitmap(IMAGE_PATH+'ulysses_shadowless_400x168.png', wx.BITMAP_TYPE_ANY))
-
- # Pack the logo into the sizer.
- sizer.Add(logo)
-
- # Return the logo.
- return logo
-
-
- def add_title(self, sizer):
- """Add the relax title (name and version) to the sizer.
-
- @param sizer: The sizer element to pack the title into.
- @type sizer: wx.Sizer instance
- """
+ def build_widget(self):
+ """Build the about dialog."""
+
+ # The relax icon.
+ self.draw_icon()
+
+ # The title.
+ self.draw_title()
+
+ # The description.
+ self.draw_description()
+
+
+ def draw_description(self):
+ """Draw the relax description text."""
# The text.
- title = wx.StaticText(self, -1, 'relax ' + version, style=wx.Centre)
-
- # Pack in the title.
- sizer.Add(title)
-
-
- def build_core(self):
- """Construct the core of the about dialog."""
-
- # Add some vertical spacing.
- self.sizer.AddSpacer(30)
-
- # Add the relax name and version.
- self.add_title(self.sizer)
+ text = 'Protein dynamics by NMR data analysis'
+
+ # Set the font.
+ font = wx.Font(12, wx.FONTFAMILY_ROMAN, wx.NORMAL, wx.NORMAL)
+ self.dc.SetFont(font)
+
+ # The text extent.
+ x, y = self.dc.GetTextExtent(text)
+
+ # Draw the text.
+ self.dc.DrawText(text, self.boarder + (self.dim_x - x)/2, 250)
+
+
+ def draw_icon(self):
+ """Draw the relax icon on the canvas."""
# Add the relax logo.
- logo = self.add_relax_logo(self.sizer)
- self.obj_list.append(logo)
+
self.dc.DrawBitmap(wx.Bitmap(IMAGE_PATH+'ulysses_shadowless_400x168.png'),
self.boarder, self.boarder+50, True)
+
+
+ def draw_title(self):
+ """Draw the relax title with name and version."""
+
+ # The text.
+ text = 'relax ' + version
+
+ # Set the font.
+ font = wx.Font(14, wx.FONTFAMILY_ROMAN, wx.NORMAL, wx.NORMAL)
+ self.dc.SetFont(font)
+
+ # The text extent.
+ x, y = self.dc.GetTextExtent(text)
+
+ # Draw the text.
+ self.dc.DrawText(text, self.boarder + (self.dim_x - x)/2, 30)
r10624 - /branches/bieri_gui/gui_bieri/about.py