I am running on Windows 11 and the code below does not have the correct text color (white) if the text fits, i.e. does not wrap. If you resize the window, you can really see the effect. I have traced it down to the DestroyChildren function, because if I comment it out, it shows correctly, but then resizing does not work correctly.
import wx
import wx.grid
class RectanglePanel(wx.Panel):
def __init__(self, parent, x, y, a, b, text, color):
super().__init__(parent, size=(a, b), pos=(x, y))
self.color = color
self.SetBackgroundColour(self.color)
# Create a StaticText widget to display the text
self.text = wx.StaticText(self, label=text, size=(a-4, b-4), pos=(2, 2), style=wx.ALIGN_CENTRE_HORIZONTAL)
# make the text white
self.text.SetBackgroundColour(self.color) # Set the background color to distinguish the rectangle
self.text.SetForegroundColour(wx.WHITE)
# Create a box sizer to center the text
sizer = wx.BoxSizer(wx.HORIZONTAL)
sizer.Add(self.text, 1, flag=wx.ALL | wx.EXPAND, border=0)
self.SetSizer(sizer)
# add a red border around the rectangle
self.SetBackgroundStyle(wx.BG_STYLE_PAINT)
self.Bind(wx.EVT_PAINT, self.OnPaint)
def OnPaint(self, event):
dc = wx.AutoBufferedPaintDC(self)
dc.SetPen(wx.Pen(wx.RED, 2))
dc.SetBrush(wx.Brush(wx.RED))
dc.DrawRectangle(0, 0, self.GetSize().GetWidth(), self.GetSize().GetHeight())
class TL(wx.Frame):
def __init__(self, data):
super().__init__(parent=None, title="Test App", size=(1200, 500))
self.data = data
self.rectangle_ht = 40
self.canvas = None
# Creating the canvas
self.createCanvas()
self.update_plot()
self.Layout()
self.Show()
def createCanvas(self):
self.canvas = wx.Panel(self, -1, size=(1200, 500))
self.canvas.Bind(wx.EVT_SIZE, self.on_window_resize)
def update_plot(self):
# This causes the text color to be incorrect for text that does not wrap
self.canvas.DestroyChildren()
canvas_width = self.canvas.GetSize().GetWidth()
canvas_height = self.canvas.GetSize().GetHeight()
# Calculate the size of the rectangles
num_rectangles = len(self.data)
rectangle_width = canvas_width // num_rectangles
# Plot the main timeline
y_pos_main = canvas_height // 2
rectangle_height = self.rectangle_ht # Set a fixed height for rectangles (change as needed)
for i in range(len(self.data)):
x_pos = i * rectangle_width
# create a rectangle in wxPython
rectangle = RectanglePanel(self.canvas, x_pos, y_pos_main - rectangle_height // 2, rectangle_width,
rectangle_height, self.data[i], wx.Colour(64, 128, 255))
def on_window_resize(self, event):
# Update the plot when the window is resized
size = self.GetSize()
self.canvas.SetSize(size)
self.update_plot()
if __name__ == "__main__":
n = 3
data = ["Short", "A bit longer", "This is a long text", "This is a very long text", "This is a very very long text"]
app = wx.App()
frame = TL(data * n)
app.MainLoop()
(or not)
