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// $Id: xxMap.hh,v 1.3 2002/10/03 14:35:48 flaterco Exp $
/* xxMap Location chooser using Cylindrical Equidistant projection.
There is some duplicated code between xxGlobe and xxMap. However,
they are sufficiently different that I think complete
encapsulation is the cleanest approach. -- DWF
Copyright (C) 2002 David Flater.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
class xxMap: public xxWindow
{
public:
xxMap (xxContext *context, StationIndex &in_stationIndex,
xxTideContext *in_tidecontext);
~xxMap ();
void global_redraw();
void dismiss();
protected:
friend void xxMapButtonPressEventHandler (Widget w,
XtPointer client_data,
XEvent *event,
Boolean *continue_dispatch);
friend void xxMapKeyboardEventHandler (Widget w, XtPointer client_data,
XEvent *event,
Boolean *continue_dispatch);
friend void xxMapPointerMotionEventHandler (Widget w,
XtPointer client_data,
XEvent *event,
Boolean *continue_dispatch);
friend void xxMapListAllCallback (Widget w, XtPointer client_data,
XtPointer call_data);
friend void xxMapZoomOutCallback (Widget w, XtPointer client_data,
XtPointer call_data);
friend void xxMapRoundCallback (Widget w, XtPointer client_data,
XtPointer call_data);
friend void xxMapHelpCallback (Widget w, XtPointer client_data,
XtPointer call_data);
Pixmap mappixmap;
StationIndex *stationIndex;
xxContext *picture, *dismissbutton, *listAllButton, *helpbutton,
*zoomoutbutton, *lattext, *lontext, *roundbutton;
xxLocationList *locationlist;
int zoom_level, redraw_zero_level;
int blastx, blasty, blastflag, last_x, last_y;
Dimension internalHeight, internalWidth;
double center_longitude;
typedef struct
{
double slat;
double nlat;
double wlon;
double elon;
} BOUNDS;
BOUNDS bounds[max_zoom_level + 1];
int translateCoordinates (double lat, double lon, int *x, int *y);
void untranslateCoordinates (double *lat, double *lon, int x, int y);
void update_position (int x, int y);
void blast (int x, int y);
void redrawMap ();
};
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