linked wrong. Should be -lXm -lXt -lX11.
On 14-May-01 at 20:48, Tom ([EMAIL PROTECTED]) wrote:
> Hi,
> The system I am using for this problem is a 1GHz PIII processor, ATI
> Radeon VE graphics card, running Mandrake 8.0 Linux.
>
> I downloaded the file lesstif-0.92.26.tar and built it from source. To
> test it, I took the example from the Motif Programming Manual Volume 6A
> about creating a file selection box. After setting up the required
> links to get the application to build, I now get a run-time error:
>
> "Warning: XmManager ClassInitialize: XmeTraitSet failed
>
> Error: attempt to add non-widget child "DropSiteManager" to parent
> "readwave_gui" which supports only widgets"
>
> I am not sure how to get around this problem and any help would be
> appreciated. I would have no problems disabling drag-and-drop
> completely and build time if that would solve the problem.
>
> Here is the source code in its entirety if it is of any value:
>
> #include <unistd.h>
> #include <Xm/FileSB.h>
>
> void echo_file(Widget widget, XtPointer client, XtPointer calldata);
> extern void exit(int);
>
> void main(int argc, char *argv[], char **envp)
> {
> XtAppContext app;
> Widget toplevel, dialog;
>
> XtSetLanguageProc(NULL, NULL, NULL);
> toplevel = XtVaAppInitialize(&app, "Test", NULL, 0, &argc, argv, NULL,
> NULL);
>
> dialog = XmCreateFileSelectionBox(toplevel, "FileSB", NULL, 0);
> XtAddCallback(dialog, XmNcancelCallback, exit, NULL);
> XtAddCallback(dialog, XmNokCallback, echo_file, NULL);
> XtManageChild(dialog);
> XtAppMainLoop(app);
> }
>
> void echo_file(Widget widget, XtPointer client, XtPointer calldata)
> {
> char *filename;
> XmFileSelectionBoxCallbackStruct *cbs =
> (XmFileSelectionBoxCallbackStruct *)calldata;
>
> if (!XmStringGetLtoR(cbs->value, XmFONTLIST_DEFAULT_TAG, &filename))
> return;
> if (!*filename) {
> puts("No file selected\n");
> XtFree(filename);
> return;
> }
> printf("Filename selected = %s\n", filename);
> XtFree(filename);
> }
>
>
