80 lines
2 KiB
C
80 lines
2 KiB
C
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#include <stdlib.h>
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#include <X11/StringDefs.h>
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#include <Xaw/Box.h>
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#include <Xaw/Simple.h>
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#include <Xaw/Command.h>
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#include <X11/Xmu/Drawing.h>
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/*
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this is the draw function. it uses two pencils (GC) with
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different colors. one pencil is used to draw the logo,
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the other is used to fill the background.
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*/
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static void ac_set ( Widget w, XEvent *event, String *params, Cardinal *num_params )
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{
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GC gc1,gc2;
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XGCValues values;
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Dimension wi,hi;
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if (!XtIsRealized(w))
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return ;
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if (strcmp(XtName(w),"draw") != 0)
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return ;
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XtVaGetValues(w,XtNheight,&hi,XtNwidth,&wi,NULL);
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values.foreground = 0xcf00fe; //purple
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gc1 = XtGetGC(w, GCForeground, &values);
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values.foreground = 0x00ff00; //green
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gc2 = XtGetGC(w, GCForeground, &values);
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XmuDrawLogo(XtDisplay(w), XtWindow(w), gc1, gc2, 0,0, wi, hi );
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XtReleaseGC(w,gc1);
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XtReleaseGC(w,gc2);
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}
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static void
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quit_cb(Widget w, XtPointer data, XtPointer call_data)
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{
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XtAppSetExitFlag( XtWidgetToApplicationContext(w) );
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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,command,simple;
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XtAppContext app;
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static char translation[] =
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"<Expose>:set()\n";
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static XtActionsRec actionTable[] = {
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{"set",ac_set }
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};
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toplevel = XtAppInitialize(&app, "demo", NULL, 0,
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&argc, argv, NULL,
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NULL, 0);
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XtAppAddActions(app, actionTable, XtNumber(actionTable) );
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box = XtCreateManagedWidget("box", boxWidgetClass, toplevel, NULL, 0);
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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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simple=XtVaCreateManagedWidget("draw",
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simpleWidgetClass, box,
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XtNheight,250,
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XtNwidth,250,
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XtNbackground, 0xff0000,
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XtNtranslations,XtParseTranslationTable(translation),
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NULL);
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XtAddCallback(command, XtNcallback, quit_cb, simple );
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XtRealizeWidget(toplevel);
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XtAppMainLoop(app);
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exit(0);
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}
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