Motif FAQ (Part 6 of 9)

• Introduction
• 160) TOPIC: DRAWING AREA WIDGET
• 161)* How can I send an expose event to a Drawing Area widget? (or
• 162) How can I know when a DrawingArea has been resized? It
• 163) How can I create a drawing area widget with a visual type
• 164) How can I display postscript in a Motif widget, such as
• 165) TOPIC: MAIN WINDOW WIDGET
• 166) How can I create a message window in an XmMainWindow?
• 167) TOPIC: SCROLLED WINDOW WIDGET
• 168) How do I tell if a scrolled window's scrollbars are visible?
• 169) How can I programatically scroll a XmScrolledWindow in
• 170) What widget does the XmScrolledWindow use for its clip window?
• 171) How do I create a scrolled window with only one scrollbar?
• 172) TOPIC: MENUS
• 173) How can I change the cursor used in Motif menus?
• 174) How do I put my help menu on the far right of my menubar?
• 175) Can I change or disable the menu bar accelerator from the
• 176) How do I set the current choice in a radio box or an option
• 177) How can I determine the item selected in a a radio box or
• 178) How do I unset an XmToggleButton in a radio box? If a radio-
• 179) Can I place a radio box in a pulldown menu?
• 180) How do I make a menu choice insensitive if it was created with
• 181) What can I put inside a menubar?
• 182) Can I have a cascade button without a submenu in a pulldown
• 183) Should I have a cascade button without a submenu in a pulldown
• 184) What is the best way to create popup menus?
• 185) How do popup menus work?
• 186) Should I use translation tables or actions for popup menus?
• 187) What are the known bugs in popup menus?
• 188) Can I have multiple popup menus on the same widget?
• 189) How can I change the shell title of a tear-off menu?
• 190) What widgets are valid within Motif menus?
• 191) Can I create multi-column popup or pulldown menus?
• 192) How can I keep my program from hanging if a user activates a
• 193) TOPIC: DRAG AND DROP
• 194) Is there a drag-and-drop tutorial on the net?
• 195) Where can I find info and examples of the Motif drag and drop
• 196) How can I disable Drag and Drop in my Motif 1.2 client ?
• 197) Can I register client data for the Motif XmDropSite drop
• 198) Can unmanged widgets be valid (drag-and-drop) drop sites?
• 199) TOPIC: INPUT FOCUS
• 200) How can I specify the widget that should have the keyboard
• 201) How can I specify my own keyboard traversal order?
• 202) How can I determine which widget has keyboard focus?
• 203) How can I direct the keyboard input to a particular widget?
• 204) How can I have a modal dialog which has to be answered before
• 205) TOPIC: MEMORY AND SPEED
• 206) When can I free data structures passed to or retrieved from
• 207) What memory leaks are known? Why does my application grow in
• 208) Why do I get so many uninitilized memory read (UMR) errors when
• 209) Why does my application take a long time to start up?
• 210) My application is running too slowly. How can I speed it up?
• 211) Why is my application so huge?
• 212) How can I improve performance when creating and deleting
• 213)+ After I call XtSetValues, when will I see the changes in my
• 214) TOPIC: XMSTRING
• 215) What string functions differ in Motif 1.1 and 1.2? Is
• 216) How can I get the Ascii text out of an XmString?
• 217) When can XmStrings used as resources be freed?
• 218) Why doesn't XmStringGetNextSegment() work properly?
• 219) Why does using XmStringDraw cause a Bad Font error?
• 220) How can I control color of individual strings to show status,
• 221) TOPIC: DIALOGS
• 222) How do I stop my dialog disappearing when I press the help
• 223) How do I make my own dialog? I want a dialog with my own set
• 224) Why do dialog title bars have "_popup" or "<-popup"
• 225) How can I force a dialog window to display?
• 226) How can I control placement of a popup widget? Each time a
• 227) How can I set the dialog's default button?
• 228) How can I create a dialog that behaves like, but looks a little
• 229) How can I use Motif's message dialog bitmaps in my own dialogs?