72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
#define _GNU_SOURCE
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#include <stdlib.h>
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#include <stdio.h>
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#include <X11/StringDefs.h>
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#include <Xaw/Box.h>
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#include <Xaw/Label.h>
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#include <Xaw/Scrollbar.h>
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#include <Xaw/Command.h>
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static void
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quit_cb(Widget w, XtPointer client_data, XtPointer call_data)
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{
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XtAppSetExitFlag(XtWidgetToApplicationContext(w));
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}
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static void
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scroll_cb(Widget widget,XtPointer label_ptr, XtPointer value_ptr)
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{
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long value = (long)value_ptr;
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Widget label = (Widget) label_ptr;
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char *msg=NULL;
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asprintf(&msg, "%ld", value);
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XtVaSetValues( label, XtNlabel, msg, NULL);
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free(msg);
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}
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static void
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jump_cb(Widget widget,XtPointer label_ptr, XtPointer value_ptr)
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{
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float value = *(float *)value_ptr;
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Widget label = (Widget) label_ptr;
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char *msg=NULL;
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asprintf(&msg, "%lf", value);
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XtVaSetValues( label, XtNlabel, msg, NULL);
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free(msg);
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}
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int main(int argc, char **argv)
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{
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Widget toplevel,box,label,scroll,command;
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XtAppContext app_con;
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toplevel = XtAppInitialize(&app_con, "demo", NULL, 0,
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&argc, argv, NULL,
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NULL, 0);
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box = XtCreateManagedWidget("box", boxWidgetClass, toplevel, NULL, 0);
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label = XtVaCreateManagedWidget("Label",
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labelWidgetClass,
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box, XtNlabel, "hello", NULL);
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command = XtVaCreateManagedWidget("cmd",
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commandWidgetClass, box,
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XtNlabel, "EXIT",
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NULL);
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XtAddCallback(command, XtNcallback, quit_cb, NULL);
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scroll = XtVaCreateManagedWidget("scroller",
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scrollbarWidgetClass, box,
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XtNorientation,XtorientHorizontal,
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XtNlength,500,
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XtNwidth,100,
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NULL);
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XtAddCallback(scroll, XtNscrollProc, scroll_cb, label);
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XtAddCallback(scroll,XtNjumpProc,jump_cb,label);
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XtRealizeWidget(toplevel);
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XtAppMainLoop(app_con);
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exit(0);
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}
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