gtk2hs

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gtk2hs: Request recalculation of windows size after removing a widget

I have a Window with three Entry widgets and one Button. I use the button to remove one of the widgets programmatically. The problem is that the main window doesn\'t change it\'s size to fit the new l[详细]

2023-03-24 11:43 分类：问答
Custom implementation for Widget class in gtkhs

Gtk2hs has various widget datatypes that implements Widget class. Is it possible to write custom datatype which does the same?[详细]

2023-03-15 20:31 分类：问答
Gtk Terminal Widget

Simple question: Is there a linux开发者_StackOverflow-style terminal widget for GTK? Preferably for Haskell, too, as I want to use gtk2hsvte is what is used in gnome-terminal. It seems there are vte h[详细]

2023-02-24 05:55 分类：问答
How to show GtkToolItem in the overflow menu of a GtkToolbar?

I am working on a Haskell application using gtk2hs. This application has a toolbar which consists of several GtkToggleToolButton, GtkToolButton and GtkToolItem elements. For being able to resize the a[详细]

2023-02-19 14:20 分类：问答
Gtk2hs multiple column TreeView with ListStore issue

I cannot force GTK to render data in TreeView with ListStore model with multiple columns through Haskell. I have the following code[详细]

2023-02-18 16:30 分类：问答
How to pass state between event handlers in gtk2hs

I\'m trying to make a toy application, just to get my head around how to write event driven programs in Haskell. What I\'m trying to do is draw a line to a canvas which moves forward every time a key[详细]

2023-02-16 19:30 分类：问答
Drawing text on GTK's DrawingArea in Haskell

I have a DrawingArea onto which I can draw using primitives such as drawRectangle and drawLine. How do I draw text onto that area? I\'m most interested in something that quickly outputs a single line[详细]

2023-02-16 10:41 分类：问答
Haskell GTK, double buffering with primitives

With an example like this.How can I do 2d double buffering with gtk and haskell.I want to render primitives to an offscreen buffer and flip.This code only renders a pixel/rectangle.I want to add movem[详细]

2023-02-16 06:54 分类：问答
How to do simple ComboBoxEntry in gtk2hs?

I use the code below adapted from a tutorial. It shows the two options in the drop down, but when I select one, it gives the error at the console:[详细]

2023-02-13 10:02 分类：问答
Toggle between event handlers in gtk2hs

I would like to do something like this: handlerOn = do cid <- canvas `on` butto开发者_C百科nPressEvent $ tryEvent do[详细]

2023-02-13 01:57 分类：问答