// the_windows.h

#include <Xm/Xm.h> 

#include "mydef.hh"
#include "graph_pack.hh"

#define MENU_OPEN_FILE                0
#define MENU_SAVE_NODES               1
#define MENU_SAVE_EDGES               2
#define MENU_SAVE_NODES_AND_EDGES     3
#define MENU_CLEAR                    4
#define MENU_QUIT                     5
#define MENU_ABOUT                    6
#define MENU_INFO                     7
#define MENU_EDIT_NODES               8
#define MENU_EDIT_EDGES               9
#define MENU_FIND_ROUTE               10
#define MENU_SHOW_ALL_ROUTES          11
#define MENU_SHOW_WHILE_DIJKSTRA      12
#define MENU_SHOW_WHILE_DIJKSTRA_FAST 13

#define NUM_MENU_ALT  14
 
/* integer values used to distinguish the call to dialogCBs. */

#define OK            1
#define CANCEL        2
 
void CreateWindows (int argc,char* argv[]);

void CreateMenus (Widget menu_bar);

void MenuCallBack(Widget w,XtPointer xtp,XmAnyCallbackStruct *call_data);
void OpenDlgCB(Widget w,XtPointer xtp,XmAnyCallbackStruct *call_data);
void SaveDlgCB(Widget w,XtPointer xtp,XmAnyCallbackStruct *call_data);

void AddEdgeCB(Widget w,XtPointer xtp,XmAnyCallbackStruct *call_data);
void AddNodeCB(Widget w,XtPointer xtp,XmAnyCallbackStruct *call_data);

void ExposeTimerCallBack(XtPointer clientData,XtIntervalId*);
void SetExposeTimerCallBack(Widget widget,XtPointer,XtPointer);

void ExposeCallBack(Widget widget,XtPointer,XtPointer);
void ResizeCallBack(Widget widget,XtPointer,XtPointer);

void ScaleValueChangedCallBack (Widget widget,XtPointer,XtPointer);
void ScrollbarChangedCallBack (Widget widget,XtPointer,XtPointer);

void SetupDrawWindow ();

GC makeGC(Display *display, unsigned int fg, unsigned int bg);

void ButtonPressEH(Widget widget,XtPointer clientData,XEvent *event,Boolean *cont);
void ButtonReleaseEH(Widget widget,XtPointer clientData,XEvent *event,Boolean *cont);

UINT FindClosestNode (int x,int y);
BOOL FindClosestEdge (float fX,float fY,float maxDist,UINT* pStart,UINT* pEnd);

void GetEdgeDrawPos (XWindowAttributes* pWnd_attrib,
		     CNodeInfo* pSource,CNodeInfo* pSink,
		     int* x1,int* y1,int* x2,int* y2);
void ConvertEdgeDrawPos (float* fXStart,float* fYStart,
			 float* fXEnd,float* fYEnd);

float GetStraightDistance (UINT nStart,UINT nEnd);

void DrawWhileDijkstraCallback ();