Adding a color palette

We can now draw basic shapes in our paint program. However, we still cannot change the colors of these shapes. Before we allow users to change colors, we must provide a way for them to select colors.

We will therefore provide for a color chooser, letting the user select two different colors: the foreground color and the background color.

Adding a color palette

While we are at it, let's also add a label showing the x,y coordinate of the mouse over the canvas as highlighted in the preceding image.

Let's begin with the color palette. The two color palettes are nothing but two small rectangle items placed on a canvas. To show these two rectangles, we define ...

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