Widget
CreateDragSourceIcon(
Widget widget,
Pixmap pixmap,
Pixmap mask)
{
Widget dragIcon;
Window rootWindow;
int pixmapX, pixmapY;
unsigned int pixmapWidth, pixmapHeight, pixmapBorder, pixmapDepth;
Arg args[20];
Cardinal nn = 0;
XGetGeometry (XtDisplayOfObject(widget), pixmap, &rootWindow,
&pixmapX, &pixmapY, &pixmapWidth, &pixmapHeight,
&pixmapBorder, &pixmapDepth);
XtSetArg(args[nn], XmNwidth, pixmapWidth); nn++;
XtSetArg(args[nn], XmNheight, pixmapHeight); nn++;
XtSetArg(args[nn], XmNmaxWidth, pixmapWidth); nn++;
XtSetArg(args[nn], XmNmaxHeight, pixmapHeight); nn++;
XtSetArg(args[nn], XmNpixmap, pixmap); nn++;
XtSetArg(args[nn], XmNmask, mask); nn++;
XtSetArg(args[nn], XmNdepth, pixmapDepth); nn++;
dragIcon = XmCreateDragIcon(widget, "sourceIcon", args, nn);
return(dragIcon);
}
int
main(int argc, char *argv[])
{
#define MAIN_CHILDREN 3
#define FORM_CHILDREN 3
#define PLANE_CHILDREN 6
#define TRAFFIC_CHILDREN 3
#define SetMenuEntry(k,l,p,d) labels[k]=l;procs[k]=p;private[k]=d;
Pixmap flying;
Pixmap parked;
Pixmap mask;
Widget theWidgetRoot;
Widget main_tab[MAIN_CHILDREN];
Widget from_tab[PLANE_CHILDREN];
Widget to_tab[TRAFFIC_CHILDREN];
Widget form_tab[FORM_CHILDREN];
Widget framed[2];
Widget entry;
static char myClass[] = "XmdAirport";
Arg args[10];
int n ;
String labels[4];
XtCallbackProc procs[4];
XtPointer private[4];
XGCValues gcv;
Airport this;
/*
* Initialize
*/
this = (Airport) XtCalloc(sizeof(AirportRec), 1);
XtSetLanguageProc(NULL, (XtLanguageProc) NULL, NULL);
theWidgetRoot = XtVaOpenApplication( &this->context,
myClass,
NULL,
0,
&argc,
argv,
NULL,
sessionShellWidgetClass,
XmNallowShellResize, True,
NULL);
this->display = XtDisplay(theWidgetRoot);
FlightAtom = XmInternAtom(this->display, "FLIGHT", False);
DeleteAtom = XmInternAtom(this->display, "DELETE", False);
XtGetApplicationResources(theWidgetRoot, &AirportResources,
AirportResourcesSpecs,
XtNumber(AirportResourcesSpecs),
(ArgList) NULL, 0);
/*
* Create the Main Window, the menubar and the pulldown menus
*/
n = 0;
this->main = XmCreateMainWindow(theWidgetRoot, "main", args, n);
n = 0;
main_tab[0] = XmCreateMenuBar(this->main, "menubar", args, n);
n = 0;
SetMenuEntry(n, "Exit",
(XtCallbackProc) ExitCallback, (XtPointer) this ); n++;
entry = MenuBarEntry(main_tab[0], "File", labels, procs, private, n);
n = 0;
SetMenuEntry(0, "Tutorial",
(XtCallbackProc) HelpCallback, (XtPointer) this); n++;
entry = MenuBarEntry(main_tab[0], "Help", labels, procs, private, n);
n = 0;
XtSetArg(args[n], XmNmenuHelpWidget, entry); n++;
XtSetValues(main_tab[0], args, n);
/*
* Create the Airport widget structure.
* Two framed radio boxes show state.
* A drawing area in the middle show track and planes
*/
n = 0;
this->screen_width = WidthOfScreen(XtScreenOfObject(this->main));
this->screen_height = HeightOfScreen(XtScreenOfObject(this->main));
XtSetArg(args[n], XmNwidth, this->screen_width*3/7); n++;
XtSetArg(args[n], XmNresizePolicy, XmRESIZE_NONE); n++;
main_tab[1] = XmCreateForm(this->main, "airport", args, n);
n = 0;
XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg(args[n], XmNbottomAttachment,XmATTACH_FORM); n++;
XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM) ; n++;
form_tab[0] = XmCreateFrame(main_tab[1], "flight", args, n);
n = 0;
XtSetArg(args[n], XmNchildType, XmFRAME_TITLE_CHILD); n++;
framed[0] = XmCreateLabel(form_tab[0], "title", args, n);
n = 0;
XtSetArg(args[n], XmNchildType, XmFRAME_WORKAREA_CHILD); n++;
XtSetArg(args[n], XmNresizePolicy, XmRESIZE_GROW); n++;
XtSetArg(args[n], XmNradioBehavior, True); n++;
framed[1] = XmCreateRadioBox(form_tab[0], "panel", args, n);
n = 0;
XtSetArg(args[n], XmNset, True); n++;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->from.departure =
from_tab[0] = XmCreateToggleButton(framed[1],
"departure", args, n);
n = 0;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->from.over_ocean =
from_tab[1] = XmCreateToggleButton(framed[1],
"over_ocean", args, n);
n = 0;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->from.over_land =
from_tab[2] = XmCreateToggleButton(framed[1],
"over_land", args, n);
n = 0;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->from.over_site =
from_tab[3] = XmCreateToggleButton(framed[1],
"radar", args, n);
n = 0;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->from.landing =
from_tab[4] = XmCreateToggleButton(framed[1], "landing", args, n);
n = 0;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->from.landed =
from_tab[5] = XmCreateToggleButton(framed[1], "landed", args, n);
XtManageChildren(from_tab, PLANE_CHILDREN);
XtManageChildren(framed, 2);
/*
* Create the Airport Traffic control state
*/
n = 0;
XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg(args[n], XmNbottomAttachment,XmATTACH_FORM); n++;
XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM) ; n++;
form_tab[1] = XmCreateFrame(main_tab[1], "traffic", args, n);
n = 0;
XtSetArg(args[n], XmNchildType, XmFRAME_TITLE_CHILD); n++;
framed[0] = XmCreateLabel(form_tab[1], "title", args, n);
n = 0;
XtSetArg(args[n], XmNchildType, XmFRAME_WORKAREA_CHILD); n++;
XtSetArg(args[n], XmNradioBehavior, True); n++;
framed[1] = XmCreateRadioBox(form_tab[1], "traffic_box", args, n);
n = 0;
XtSetArg(args[n], XmNset, True); n++;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->to.leave =
to_tab[1] = XmCreateToggleButton(framed[1],
"no_traffic", args, n);
n = 0;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->to.enter =
to_tab[0] = XmCreateToggleButton(framed[1],
"radar_echo", args, n);
n = 0;
XtSetArg(args[n], XmNvisibleWhenOff, False); n++;
this->to.landing =
to_tab[2] = XmCreateToggleButton(framed[1],
"landing", args, n);
XtManageChildren(to_tab, TRAFFIC_CHILDREN);
XtManageChildren(framed, 2);
/*
* Create the Airport picture
*/
n = 0;
XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg(args[n], XmNbottomAttachment,XmATTACH_FORM); n++;
XtSetArg(args[n], XmNleftAttachment, XmATTACH_WIDGET) ; n++;
XtSetArg(args[n], XmNleftWidget, form_tab[0]) ; n++;
XtSetArg(args[n], XmNrightAttachment, XmATTACH_WIDGET) ; n++;
XtSetArg(args[n], XmNrightWidget, form_tab[1]) ; n++;
this->airport =
form_tab[2] = XmCreateDrawingArea(main_tab[1], "da", args, n);
XtAddCallback(this->airport, XmNexposeCallback,
(XtCallbackProc) ShowAirport, (XtPointer) this);
XtAddCallback(this->airport, XmNresizeCallback,
(XtCallbackProc) ResizeAirport, (XtPointer) this);
XtAddCallback(this->airport, XmNinputCallback,
(XtCallbackProc) AirportInput, (XtPointer) this);
/*
* Create the Airport Message area
*/
n = 0;
main_tab[2] = XmCreateFrame(this->main, "message", args, n);
n = 0;
XtSetArg(args[n], XmNchildType, XmFRAME_TITLE_CHILD); n++;
framed[0] = XmCreateLabel(main_tab[2], "title", args, n);
n = 0;
XtSetArg(args[n], XmNchildType, XmFRAME_WORKAREA_CHILD); n++;
XtSetArg(args[n], XmNvisibleItemCount, 4); n++;
this->msg_area = XmCreateScrolledList(main_tab[2], "msg_list", args, n);
XtManageChild(this->msg_area);
framed[1] = XtParent(this->msg_area);
XtManageChildren(framed, 2);
n = 0;
XtSetArg(args[n], XmNmenuBar, main_tab[0]); n++;
XtSetArg(args[n], XmNworkWindow, main_tab[1]); n++;
XtSetArg(args[n], XmNmessageWindow, main_tab[2]); n++;
XtSetValues(this->main, args, n);
XtManageChildren(form_tab, FORM_CHILDREN);
XtManageChildren(main_tab, MAIN_CHILDREN);
XtManageChild(this->main);
XtRealizeWidget(theWidgetRoot);
/*
* Create the drag icon
*/
parked = XCreateBitmapFromData(this->display,
XtWindow(this->main), (char*)plane_bits,
plane_width, plane_height);
flying = XCreateBitmapFromData(this->display,
XtWindow(this->main), (char*)flying_bits,
flying_icon_width, flying_icon_height);
mask = XCreateBitmapFromData(this->display,
XtWindow(this->main), (char*)flying_mask_bits,
flying_mask_width, flying_mask_height);
n = 0;
XtSetArg(args[n], XmNpixmap, flying); n++;
XtSetArg(args[n], XmNdepth, 1); n++;
XtSetArg(args[n], XmNmask, mask); n++;
XtSetArg(args[n], XmNwidth, flying_icon_width); n++;
XtSetArg(args[n], XmNheight, flying_icon_height) ; n++;
this->dragIcon = XmCreateDragIcon(form_tab[2], "drag", args, n);
if (this->dragIcon == NULL) {
printf("cannot create drag icon\n");
exit(0);
}
/* Create GC for drawing planes */
gcv.function = GXcopy;
gcv.fill_style = FillOpaqueStippled;
gcv.stipple = parked;
gcv.foreground = AirportResources.spot_foreground;
gcv.background = AirportResources.spot_background;
this->park.gc = XCreateGC(this->display, XtWindow(this->main),
GCFunction|GCStipple|GCFillStyle
|GCForeground|GCBackground,
&gcv);
gcv.line_style = LineDoubleDash;
gcv.line_width = AirportResources.track_border_width;
gcv.fill_style = FillSolid;
gcv.foreground = AirportResources.track_foreground;
gcv.background = AirportResources.track_background;
this->track.gc = XCreateGC(this->display, XtWindow(this->main),
GCFunction|GCLineWidth|GCLineStyle
|GCFillStyle|GCForeground|GCBackground,
&gcv);
XtAppMainLoop(this->context);
return 0; /* make compiler happy */
}
Widget XmCreateDragIcon_TNK(Widget parent, String name, ArgList arglist,Cardinal argcount) { return XmCreateDragIcon(parent, name, arglist, argcount);}
void StartDrag(Widget searchWidget, XEvent *event)
{
Arg args[8];
Cardinal n;
Atom exportList[1];
Widget sourceIcon;
UpdateTask * pt;
int textWidth, maxWidth, maxHeight, fontHeight, ascent;
unsigned long fg, bg;
XButtonEvent * xbutton;
XGCValues gcValues;
unsigned long gcValueMask;
DisplayInfo * displayInfo;
static char *channelNames[MAX(MAX_PENS,MAX_TRACES)][2];
Pixmap sourcePixmap = (Pixmap)NULL;
static GC gc = NULL;
/* a nice sized font */
#define FONT_TABLE_INDEX 6
/* move the text over... */
#define X_SHIFT 8
#define MARGIN 2
/* (MDA) since widget doing drag could be toggleButton or optionMenu button
* (which has more than just flat, single parent),
* find the widget that has a parent that is the drawing area and
* search based on that * (since that is what is rooted in the display)
* - NB if drawing areas as children of the main drawing area are allowed
* as parents of controllers/monitors, this logic must change...
*/
if (XtClass(searchWidget) == xmDrawingAreaWidgetClass
&&
strcmp(XtName(searchWidget),stripChartWidgetName) !=0 )
{
/* starting search from a DrawingArea which is not a StripChart
* (i.e., DL_Display) therefore lookup "graphic" (non-widget) elements ;
* get UpdateTask data from position knowledge
*/
displayInfo = dmGetDisplayInfoFromWidget(searchWidget);
xbutton = (XButtonEvent *)event;
pt = getUpdateTaskFromPosition(displayInfo, xbutton->x,xbutton->y);
}
else {
WidgetUserData * userData;
/* get UpdateTask data from widget's userData resource
*/
while (XtClass(XtParent(searchWidget)) != xmDrawingAreaWidgetClass)
searchWidget = XtParent(searchWidget);
XtVaGetValues (searchWidget, XmNuserData, &userData, NULL);
if (userData)
pt = userData->updateTask;
else {
pt = getUpdateTaskFromWidget(searchWidget);
INFORM_INTERNAL_ERROR();
}
}
#define MAX_COL 4
if (pt)
{
char * name[MAX_PENS*MAX_COL];
short severity[MAX_PENS*MAX_COL];
int count = 1;
int column;
int row;
if (pt->name == NULL)
return;
else
(*pt->name)(pt->clientData, name, severity, &count);
/* T. Straumann: copy the names to the clipboard
*
* NOTE: we must copy the name strings, because we
* cannot be 100% sure the updateTask still
* exists at the time the PRIMARY selection
* is requested.
*/
if ( count > 0 ) {
int i;
clipbdStart();
clipbdAdd(name[0]);
/* count > 100 means count/100 columns (see dm2kCartesianPlot.c !?!) */
for ( i=1; i < (count%100); i++) {
clipbdAdd("\n");
clipbdAdd(name[i]);
}
clipbdHold();
}
column = count / 100;
if (column == 0) column = 1;
if (column > MAX_COL) column = MAX_COL;
count = count % 100;
row = 0;
bg = BlackPixel(display,screenNum);
fg = WhitePixel(display,screenNum);
ascent = fontTable[FONT_TABLE_INDEX]->ascent;
fontHeight = ascent + fontTable[FONT_TABLE_INDEX]->descent;
if (count == 0) {
channelName = NULL;
return;
} else {
int i, j;
int x, y;
i = 0; j = 0;
textWidth = 0;
while (i < count) {
if (name[i]) {
register int tmp =
XTextWidth(fontTable[FONT_TABLE_INDEX],name[i],STRLEN(name[i]));
textWidth = MAX(textWidth,tmp);
}
j++;
if (j >= column) {
j = 0;
row++;
}
i++;
}
maxWidth = X_SHIFT + (textWidth + MARGIN) * column;
maxHeight = row*fontHeight + 2*MARGIN;
sourcePixmap = XCreatePixmap(display,
RootWindow(display, screenNum),
maxWidth,maxHeight,
DefaultDepth(display,screenNum));
if (gc == NULL)
gc = XCreateGC(display,sourcePixmap,0,NULL);
gcValueMask = GCForeground|GCBackground|GCFunction|GCFont;
gcValues.foreground = bg;
gcValues.background = bg;
gcValues.function = GXcopy;
gcValues.font = fontTable[FONT_TABLE_INDEX]->fid;
XChangeGC(display,gc,gcValueMask,&gcValues);
XFillRectangle(display,sourcePixmap,gc,0,0,maxWidth,maxHeight);
i = j = 0;
x = X_SHIFT;
y = ascent + MARGIN;
while (i < count) {
if (name[i]) {
XSetForeground(display,gc,alarmColorPixel[severity[i]]);
XDrawString(display,sourcePixmap,gc,x,y,name[i],STRLEN(name[i]));
channelName = name[i];
}
j++;
if (j < column) {
x += textWidth + MARGIN;
} else {
j = 0;
x = X_SHIFT;
y += fontHeight;
}
i++;
}
}
}
if (sourcePixmap != (Pixmap)NULL)
{
/* use source widget as parent - can inherit visual attributes that way
*/
n = 0;
XtSetArg(args[n],XmNpixmap,sourcePixmap); n++;
XtSetArg(args[n],XmNwidth,maxWidth); n++;
XtSetArg(args[n],XmNheight,maxHeight); n++;
XtSetArg(args[n],XmNdepth,DefaultDepth(display,screenNum)); n++;
sourceIcon = XmCreateDragIcon(XtParent(searchWidget),"sourceIcon",args,n);
/* establish list of valid target types
*/
exportList[0] = COMPOUND_TEXT;
n = 0;
XtSetArg(args[n],XmNexportTargets, exportList); n++;
XtSetArg(args[n],XmNnumExportTargets, 1); n++;
XtSetArg(args[n],XmNdragOperations, XmDROP_COPY); n++;
XtSetArg(args[n],XmNconvertProc, DragConvertProc); n++;
XtSetArg(args[n],XmNsourcePixmapIcon, sourceIcon); n++;
XtSetArg(args[n],XmNcursorForeground, fg); n++;
XtSetArg(args[n],XmNcursorBackground, bg); n++;
XtSetArg(args[n],XmNdragDropFinishCallback, dragDropFinishCB); n++;
XmDragStart(searchWidget,event,args,n);
}
}