On Jan 5, 2008 2:25 PM, Ryan Pusztai <[EMAIL PROTECTED]> wrote:
> I am getting all kinds of errors when using the wxLua Lua module in Linux.
> In the Terminal I see errors for sizing upon creation. Here are the errors I
> get when running:
>
> > $ lua luamodule.wx.lua
> >
> > (<unknown>:30818): Gtk-CRITICAL **: gtk_window_resize: assertion `height >
> 0' failed
These are common in wxWidgets in GTK even with C++ code. All it means
in this case is that the wxSizer is trying to size the wxFrame or
wxButton before it had a chance to get a valid size so it's using
wx.wxDefaultSize = (-1, -1).
> Here is a bit more information. It displays the frame as a very small frame
> or as a VERY long titlebar only. It displays the errors in the terminal when
> I run it. If I comment out the SetSizeHints() I get the frame to show up
> correctly, but it only has the menu. I don't see the controls. This works on
> Windows, but not on Linux. I hope I am doing something wrong.
Not really, but you might want to provide some positive initial size
for the wxFrame to get rid of the warnings.
Also and I hope this is all it takes (can't test now) is that you
create a single wxPanel child of the wxFrame. A single wxPanel child
of a wxFrame takes the client size of the wxFrame and then you use a
wxSizer to hold the children of the panel. Note how the sizer is for
the panel, but we set the size hints for the wxFrame.
frame = wx.wxFrame(wx.NULL, -1, "wxLua module sample")
panel = wx.wxPanel(frame, -1)
-- Layout all the buttons using wxSizers
local mainSizer = wx.wxBoxSizer( wx.wxVERTICAL )
local ID_BUTTON = 1001
local buildButton = wx.wxButton( panel, ID_BUTTON, "Button1" )
mainSizer:Add( buildButton, 0, wx.wxALL + wx.wxEXPAND, 5 )
panel:SetSizer( mainSizer )
mainSizer:SetSizeHints( frame )
Hope this helps,
John
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