Changeset 25575 in project

Timestamp:

11/26/11 10:46:54 (9 years ago)

Author:

juergen

Message:

iup-tutor updated

Location:

wiki

Files:

• eggref/4/iup (modified) (1 diff)
• iup-tutor (modified) (10 diffs)

wiki/eggref/4/iup

@@ -17 +17 @@
 See [[http://www.chust.org/fossils/iup/doc/trunk/api/main.wiki|the official API docs]].
 
+=== Examples
+
+See [[iup-tutor|Tutorial on the Iup GUI toolkit]]
+
 === License
 

wiki/iup-tutor

@@ -17 +17 @@
 Hence you need to consult the original C documentation very often. So it
 seems appropriate to start with an example (Hello World, you guess it)
-showing how a C program is transformed to Scheme. But before that let me
-recapitulate some design principles of Iup.
+showing how a C program is translated to Scheme. This way you'll become
+comfortable writing Scheme programs while using the original C
+documentation. But before that let me recapitulate some design
+principles of Iup.
 
 === Iup's design principles
@@ -35 +37 @@
 First: No widget is ever positioned with explicit coordinates.
 Everything is done logically by nesting containers and positioning
-widgets. This facilitates matters considerably.
+widgets like fill. This facilitates matters considerably.
 
 Second: All widgets and dialogs are controlled by attributes, including
@@ -226 +228 @@
 <enscript highlight="C">
 
-widget=widget-name[attribute-name=attribute-value, ...](arg, ...)
+widget=widget-type[attribute-name=attribute-value, ...](arg, ...)
 
 </enscript>
@@ -239 +241 @@
 btn = button[TIP = "Close window", EXPAND = Yes]
             ("&Ok", 0)
+
 dlg = dialog[TITLE = Hello]
             (vbox[GAP = 10, MARGIN = 15x15, ALIGNMENT = ACENTER]
@@ -263 +266 @@
 </enscript>
 
-Note, that the LED-import is done vial load/let and the identification
+Note, that the LED-import is done via load/let and the identification
 of LED-names with Chicken-variables via handle-ref.
 
-Note also, that btn must be coded separately, because we need to set the
-callback, which can not be a string.
+Note also, that btn must be coded separately and given a name, because
+we need to set the callback, which can not be a string.
 
 You can compile hello13.scm with csc and change hello.led afterwards.
-Try it out and play with some attributes ...
+Try it out and play with some attributes, for example, remove the
+EXPAND attribute from btn and set it for label, ...
 
 === Porting some examples from the Iup Distribution
@@ -278 +282 @@
 
 ==== fill.scm
+
+The following dialog shows, how different positions of the fill widget
+change the dialog's appearance.
 
 <enscript highlight="Scheme">
@@ -319 +326 @@
                         'close)))
     title: "Right aligned"))
+
 ; Note, that callbacks should return a symbol.
 ; Only the symbol 'close of the action: callbacks closes the dialog!
@@ -340 +348 @@
 
 ==== hbox.scm
+
+This dialog shows, how horizontal boxes within vertical ones work.
 
 <enscript highlight="Scheme">
@@ -388 +398 @@
 </enscript>
 
-Now a menu example
-
 ==== menu.scm
 
-Now a dialog with a menu.
+Now a dialog with a menu and submenus, one of whose items call a
+predefined message-dialog.
 
 <enscript highlight="Scheme">
@@ -454 +463 @@
 Nov 25, 2011
 
+== Last updated
+
+Nov 26, 2011