762 lines
23 KiB
Text
762 lines
23 KiB
Text
#include "nwx_cmn.h"
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#include "nwx_gui.h"
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#define MAX_MAPS 30 /* maximum maps can be displayed for
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map menu */
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/*
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* Private functions
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*/
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#ifdef Linux
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static void _quitNwxOK_cb ( Widget, XtPointer, XtPointer ) __attribute__((noreturn));
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#else
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static void _quitNwxOK_cb ( Widget, XtPointer, XtPointer );
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#endif
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void mapw_dataCb ( Widget, XtPointer, XtPointer );
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void mapw_exitCb ( Widget, XtPointer, XtPointer );
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void mapw_exposeCb ( Widget, XtPointer, XmDrawingAreaCallbackStruct* );
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void mapw_mapCb ( Widget, long, XtPointer );
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void mapw_autoCb ( Widget, XtPointer, XtPointer );
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void mapw_pickstnEh ( Widget, XtPointer, XEvent*, Boolean* );
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void mapw_resizeCb ( Widget, XtPointer, XtPointer );
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void mapw_zoomCb ( Widget, XtPointer, XtPointer );
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Widget mapCanvW;
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Widget autoPulldownMenuW;
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mapbnd_t mapBnd;
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Widget autoMenuBtnW;
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/************************************************************************
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* nwxg_mapw.c *
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* *
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* This module creates the map selection window and defines its *
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* callbacks. *
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* *
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* CONTENTS: *
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* mapw_create() creates the map selection window. *
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* mapw_pickstnEh()callback for the selection in drawing area. *
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* mapw_rgstr() register the map selection window to GEMPAK *
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* mapw_exposeCb() callback for the map drawing area expose event. *
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* mapw_resizeCb() callback for the map drawing area resize event. *
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* mapw_dataCb() callback for the data button on menubar. *
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* mapw_mapCb() callback for the map menu on menubar. *
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* mapw_autoCb() callback for the auto menu on menubar. *
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* mapw_zoomCb() callback for the zoom button on menubar. *
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* mapw_exitCb() callback for the exit button on menubar. *
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* _quitNwxOK_cb() internal callback used in mapw_exitCb(). *
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***********************************************************************/
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/*=====================================================================*/
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Widget mapw_create ( Widget parent )
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/************************************************************************
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* mapw_create *
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* *
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* This function creates the map window. *
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* *
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* Widget mapw_create ( parent ) *
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* *
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* Input parameters: *
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* parent Widget The top level widget *
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* *
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* Output parameters: *
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* *
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* Return parameters: *
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* mapw_create Widget The map window widget *
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* *
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** *
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* Log: *
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* C. Lin/EAI 8/95 *
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* G. Krueger/EAI 9/97 NxmMCloseReset -> NxmMclose_menuReset *
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* G. Krueger/EAI 10/97 Add NxmVers_showTitle *
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* G. Krueger/EAI 11/97 Renamed NxmHelp functions *
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* I. Durham/GSC 5/98 changed call for underscore *
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* T. Piper/SAIC 2/02 freed mapmenu.label *
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* T. Piper/SAIC 7/02 reinstated the select by state option *
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* M. Gamazaychikov/SAIC 8/02 changed the logic in 'state' mode so the *
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* station is id'ed by state and country id *
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* R. Tian/SAIC 11/03 Added Auto pulldown menu *
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* T. Piper/SAIC 02/04 Removed check for Motif 1.1 *
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* H. Zeng/SAIC 07/04 re-designed to use FormWidgetClass *
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* E. Safford/SAIC 12/07 use wnxm_NxmClose_menuReset *
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***********************************************************************/
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{
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Widget form, menubar, button;
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Pixel background;
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int i, ii, nmap;
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Arg args[10];
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Cardinal argcnt;
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Widget autoMenu, autoItem;
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XmString autoItemLbl;
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Arg al[5];
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int ac;
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static _NXMmenuItem mapmenu[MAX_MAPS];
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/*---------------------------------------------------------------------*/
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/*
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* create a form widget as the container widget
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*/
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form = XtVaCreateWidget("mapform", xmFormWidgetClass, parent, NULL);
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XtVaGetValues(form, XmNbackground, &background, NULL);
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/*
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* create the menubar
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*/
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argcnt = 0;
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XtSetArg(args[argcnt],XmNtopAttachment, XmATTACH_FORM); argcnt++;
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XtSetArg(args[argcnt],XmNleftAttachment, XmATTACH_FORM); argcnt++;
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XtSetArg(args[argcnt],XmNrightAttachment, XmATTACH_FORM); argcnt++;
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menubar = XmCreateMenuBar(form, "topmenubar", args, argcnt);
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XtVaSetValues(menubar, XmNbackground, background, NULL);
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/*
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* create Data pulldown menu
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*/
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button = XmCreateCascadeButton(menubar, "Data", NULL, 0);
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XtVaSetValues(button, XmNmnemonic, 'D', NULL);
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XtAddCallback(button, XmNactivateCallback, mapw_dataCb, NULL);
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XtManageChild(button);
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/*
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* Create Map pulldown menu
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*
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* Set the items for the menu bar for the map areas.
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*/
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nmap = nwxTable->nmap;
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for ( i = 0; i < nmap; i++ ) {
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mapmenu[i].label = (char *)
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malloc(strlen(nwxTable->map_info[i].name)+1);
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strcpy ( mapmenu[i].label, nwxTable->map_info[i].name );
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mapmenu[i].class = &xmCascadeButtonGadgetClass;
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mapmenu[i].mnemonic = 0;
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mapmenu[i].accelerator = NULL;
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mapmenu[i].accel_text = NULL;
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mapmenu[i].callback = (XtCallbackProc)mapw_mapCb;
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mapmenu[i].which_widget = (long)i;
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mapmenu[i].subitems = NULL;
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mapmenu[i].sub_buttons = NULL;
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}
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mapmenu[nmap].label = NULL;
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mapmenu[nmap].class = &xmCascadeButtonGadgetClass;
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mapmenu[nmap].mnemonic = 0;
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mapmenu[nmap].accelerator = NULL;
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mapmenu[nmap].accel_text = NULL;
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mapmenu[nmap].callback = NULL;
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mapmenu[nmap].which_widget = (long)nmap;
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mapmenu[nmap].subitems = NULL;
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mapmenu[nmap].sub_buttons = NULL;
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wnxm_NxmMenuPulldownBuild(menubar, NULL, "Map", 'M', mapmenu);
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for ( ii = 0; ii < nmap; ii++ ) free(mapmenu[ii].label);
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/*
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* Create Auto-Update pulldown menu, and make the OFF checked
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* by default (__autoUpdt = 1).
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*/
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ac = 0;
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XtSetArg ( al[ac], XmNradioBehavior, True );
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ac++;
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autoMenu = XmCreatePulldownMenu ( menubar, "autoMenu",
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al, ac );
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ac = 0;
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autoItemLbl = XmStringCreateLocalized ( "Auto-Update ON" );
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XtSetArg ( al[ac], XmNlabelString, autoItemLbl );
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ac++;
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XtSetArg ( al[ac], XmNindicatorType, XmONE_OF_MANY );
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ac++;
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autoItem = XmCreateToggleButtonGadget ( autoMenu,
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NULL, al, ac );
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XtAddCallback ( autoItem, XmNvalueChangedCallback,
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(XtCallbackProc)mapw_autoCb, (XtPointer)G_TRUE );
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XtManageChild ( autoItem );
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XmStringFree ( autoItemLbl );
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ac = 0;
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autoItemLbl = XmStringCreateLocalized ( "Auto-Update OFF" );
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XtSetArg ( al[ac], XmNlabelString, autoItemLbl );
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ac++;
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XtSetArg ( al[ac], XmNindicatorType, XmONE_OF_MANY );
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ac++;
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XtSetArg ( al[ac], XmNset, True );
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ac++;
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autoItem = XmCreateToggleButtonGadget ( autoMenu,
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NULL, al, ac );
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XtAddCallback ( autoItem, XmNvalueChangedCallback,
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(XtCallbackProc)mapw_autoCb, (XtPointer)G_FALSE );
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XtManageChild ( autoItem );
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XmStringFree ( autoItemLbl );
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ac = 0;
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XtSetArg ( al[ac], XmNsubMenuId, autoMenu );
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ac++;
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autoItemLbl = XmStringCreateLocalized ( "Auto" );
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XtSetArg ( al[ac], XmNlabelString, autoItemLbl );
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ac++;
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autoMenuBtnW = XmCreateCascadeButtonGadget ( menubar, NULL, al, ac );
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XtVaSetValues(autoMenuBtnW, XmNmnemonic, 'A', NULL);
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XtManageChild ( autoMenuBtnW );
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XmStringFree ( autoItemLbl );
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XtSetSensitive ( autoMenuBtnW, False );
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/*
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* Create Zoom pulldown menu
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*/
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button = XmCreateCascadeButton(menubar, "Zoom", NULL, 0);
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XtVaSetValues(button, XmNmnemonic, 'Z', NULL);
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XtAddCallback(button, XmNactivateCallback, mapw_zoomCb, NULL);
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XtManageChild(button);
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/*
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* Create Exit button
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*/
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button = XmCreateCascadeButton(menubar, "Exit", NULL, 0);
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XtVaSetValues(button, XmNmnemonic, 'E', NULL);
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XtAddCallback(button, XmNactivateCallback, mapw_exitCb, NULL);
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XtManageChild(button);
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/*
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* Create Help button
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*/
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button = XmCreateCascadeButton(menubar, "Help", NULL, 0);
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XtVaSetValues(button, XmNmnemonic, 'H', NULL);
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XtAddCallback(button, XmNactivateCallback,
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(XtCallbackProc)wnxm_NxmHelp_helpBtnCb, (XtPointer)1);
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XtManageChild(button);
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/*
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* put the help cascade button at the right most side of
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* the menu bar
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*/
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if( (button = XtNameToWidget(menubar, "Help") ) )
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XtVaSetValues(menubar, XmNmenuHelpWidget, button, NULL);
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XtManageChild(menubar);
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/*
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* Create the map drawing area
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*/
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mapCanvW = XtVaCreateManagedWidget( "mapcanv",
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xmDrawingAreaWidgetClass, form,
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XmNtopAttachment, XmATTACH_WIDGET,
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XmNtopWidget, menubar,
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XmNleftAttachment, XmATTACH_FORM,
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XmNrightAttachment, XmATTACH_FORM,
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XmNbottomAttachment, XmATTACH_FORM,
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XmNresizable, TRUE,
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NULL );
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/*
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* Add the expose and resize callbacks.
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*/
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XtAddCallback( mapCanvW, XmNexposeCallback, (XtCallbackProc)mapw_exposeCb, NULL );
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XtAddCallback( mapCanvW, XmNresizeCallback, (XtCallbackProc)mapw_resizeCb, NULL );
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/*
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* Add the station/state selection event.
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*/
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XtAddEventHandler( mapCanvW, ButtonPressMask, FALSE,
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(XtEventHandler)mapw_pickstnEh, NULL );
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XtManageChild( form );
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/*
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* create the product selection popup
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*/
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dslw_create(form);
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return( form );
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}
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/*=====================================================================*/
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/* ARGSUSED */
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void mapw_pickstnEh ( Widget wid, XtPointer clnt, XEvent *event, Boolean *cvt )
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/************************************************************************
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* mapw_pickstnEh *
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* *
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* This function will select a station/stations based on the position *
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* of left mouse button. *
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* *
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* mapw_pickstnEh ( wid, clnt, event ) *
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* *
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* Input parameters: *
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* wid Widget The input widget *
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* clnt XtPointer The input data for the widget *
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* *event XEvent The registered event *
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** *
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* C. Lin/EAI 6/95 modify from rband_start *
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* C. Lin/EAI 9/95 *
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* L. Williams/EAI 6/96 srch_fosdFndrep -> fosd_getdata *
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* D.W.Plummer/NCEP 9/96 added "O" type processing *
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* D.W.Plummer/NCEP 11/96 disable prev and next buttons for OBS *
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* D. Kidwell/NCEP 5/99 Replaced MAX_PLOT_STN with LLSTFL *
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* T. Piper/SAIC 6/02 Removed unused selct_by variable *
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* T. Piper/SAIC 7/02 Added display of wbox date/time *
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* R. Tian/SAIC 4/03 Added append text mode *
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* R. Tian/SAIC 5/03 enable prev/nxt only for replace mode *
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* R. Tian/SAIC 7/03 Added sort for search string *
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* T. Piper/SAIC 01/04 Added check for < -7 from fosd_getdata *
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* E. Safford/SAIC 12/07 use txtw_setPrevNext(), rm local access *
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* to stnindex *
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***********************************************************************/
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{
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int ier;
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float xloc, yloc;
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/*---------------------------------------------------------------------*/
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/*
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* Check if it is a left mouse button.
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*/
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if ( event->xbutton.button == 1 ) {
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xloc = (float)event->xbutton.x;
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yloc = (float)event->xbutton.y;
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mapw_pickStation( xloc, yloc, &ier );
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if ( ier >= G_NORMAL ) {
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XtUnmanageChild(dataSelectW);
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}
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else {
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return;
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}
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}
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}
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/*=====================================================================*/
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/* ARGSUSED */
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void mapw_exposeCb ( Widget w, XtPointer clnt,
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XmDrawingAreaCallbackStruct *cbs )
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/************************************************************************
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* mapw_exposeCb *
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* *
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* This routine is the callback for expose window. *
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* *
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* mapw_exposeCb ( w, which, cb_data ) *
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* *
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* Input parameters: *
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* w Widget The input widget *
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* clnt XtPointer The input data for the widget *
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* *cbs XmDrawingAreaCallbackStruct X callback structure*
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** *
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* S. Jacobs/NMC 8/94 *
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* T. Piper/SAIC 04/05 Added check on count *
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* E. Safford/SAIC 12/07 use wnxm_xxflsh wrapper *
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***********************************************************************/
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{
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int raise, iret;
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XEvent *event;
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/*---------------------------------------------------------------------*/
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event = cbs->event;
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/*
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* Flush the graphics buffer.
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*
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* ES NOTE:
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* This application should not be calling xxflsh directly.
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* When time permits, rewrite this. I think a simple geplot
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* would work ok for this purpose.
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*/
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if ( event->xexpose.count == 0 ) {
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raise = G_TRUE;
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wnxm_xxflsh ( &raise, &iret );
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}
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}
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/*=====================================================================*/
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/* ARGSUSED */
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void mapw_resizeCb ( Widget w, XtPointer clnt, XtPointer cbs )
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/************************************************************************
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* mapw_resizeCb *
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* *
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* This routine is the callback for resize window. *
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* *
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* mapw_resizeCb ( w, clnt, cbs ) *
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* *
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* Input parameters: *
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* w Widget The input widget *
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* clnt int The input data for the widget *
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* cbs XtPointer The output data for the widget *
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** *
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* S. Jacobs/NMC 8/94 add check for valflg *
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* C. Lin/EAI 10/95 *
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***********************************************************************/
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{
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int iret;
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/*---------------------------------------------------------------------*/
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/*
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* Clear the screen and replot.
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*/
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wgem_gclear( &iret );
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fosd_plot( 1 );
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}
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/*=====================================================================*/
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/* ARGSUSED */
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void mapw_exitCb ( Widget w, XtPointer clnt, XtPointer cbs )
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/************************************************************************
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* mapw_exitCb *
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* *
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* This routine is the callback for the exit button. *
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* *
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* mapw_exitCb ( w, clnt, cbs ) *
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* *
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* Input parameters: *
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* w Widget The input widget *
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* clnt XtPointer The input data for the widget *
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* cbs XtPointer The output data for the widget *
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** *
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* S. Jacobs/NMC 8/94 *
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* C. Lin/EAI 10/95 restructure *
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* G. Krueger/EAI 9/97 NxmExitDialog->NxmExit_create *
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* E. Safford/GSC 02/01 update param list on NxmExit_create *
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* E. Safford/GSC 12/07 use wnxm_NxmExit_create() *
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***********************************************************************/
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{
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char message[50];
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/*---------------------------------------------------------------------*/
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/*
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* Set the exit message and display the exit dialog box.
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*/
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strcpy( message, "OK to Exit from NWX?" );
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wnxm_NxmExit_create( w, "Exit Confirmation", message,
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_quitNwxOK_cb, NULL);
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}
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/*=====================================================================*/
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/* ARGSUSED */
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static void _quitNwxOK_cb ( Widget w, XtPointer clnt, XtPointer cbs )
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/************************************************************************
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* _quitNwxOK_cb *
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* *
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* This routine is the callback for OK button in ExitDialog. *
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* *
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* _quitNwxOK_cb ( w, clnt, cbs ) *
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* *
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* Input parameters: *
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* w Widget The input widget *
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* clnt XtPointer The input data for the widget *
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* cbs XtPointer The output data for the widget *
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** *
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* S. Jacobs/NMC 8/94 *
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***********************************************************************/
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{
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exit(0);
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}
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/*=====================================================================*/
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/* ARGSUSED */
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void mapw_mapCb ( Widget w, long which, XtPointer cbs )
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/************************************************************************
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* mapw_mapCb *
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* *
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* This routine is the callback for the map area menu. *
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* *
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* mapw_mapCb ( w, which, cbs ) *
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* *
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* Input parameters: *
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* w Widget The input widget *
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* which long The item number for the menu *
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* *
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* Output parameters: *
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* cb_data XtPointer The output data for the widget *
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** *
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* S. Jacobs/NMC 8/94 *
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* L. Williams/EAI 12/94 add check for valflg *
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* C. Lin/EAI 10/95 *
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* L. Williams/EAI 05/96 Add call to mapw_rmselstn. *
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* S. Jacobs/NCEP 3/99 Use NO_ZOOM instead of G_FALSE *
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* R. Tian/SAIC 6/03 Remove call to mapw_rmselstn. *
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***********************************************************************/
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{
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int ier;
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/*---------------------------------------------------------------------*/
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mapw_updateMap( (int)which, &ier );
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/*
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* Set the global variable for the map menu selection.
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usrSelect.mapindx = (int)which;
|
|
*/
|
|
|
|
/*
|
|
* Draw the map window.
|
|
usrSelect.zoomflg = NO_ZOOM;
|
|
fosd_plot( 1 );
|
|
*/
|
|
}
|
|
|
|
/*=====================================================================*/
|
|
/* ARGSUSED */
|
|
void mapw_autoCb ( Widget w, XtPointer clnt, XtPointer call )
|
|
/************************************************************************
|
|
* mapw_autoCb *
|
|
* *
|
|
* This routine is the callback for the auto menu. *
|
|
* *
|
|
* mapw_autoCb ( w, clnt, call ) *
|
|
* *
|
|
* Input parameters: *
|
|
* w Widget The input widget *
|
|
* clnt XtPointer The item number for the menu *
|
|
* *
|
|
* Output parameters: *
|
|
* call XtPointer The output data for the widget *
|
|
** *
|
|
* R. Tian/SAIC 11/03 *
|
|
***********************************************************************/
|
|
{
|
|
int which, ier;
|
|
G_Boolean autoUpdt = G_FALSE;
|
|
/*---------------------------------------------------------------------*/
|
|
/*
|
|
* This mapw_autoCb() routine is called twice each time a choice is
|
|
* made from the Auto menu: First for the toggle being unset, then
|
|
* for the toggle being set. Therefore, a response is needed only
|
|
* if the toggle is set and it isn't already the current state.
|
|
*/
|
|
which = (long)clnt;
|
|
|
|
autoUpdt = idata_getAutoUpdt( );
|
|
|
|
if ( XmToggleButtonGadgetGetState ( w ) && which != autoUpdt ) {
|
|
|
|
idata_setAutoUpdt( which, &ier );
|
|
|
|
switch ( autoUpdt ) {
|
|
case 0: /* ON */
|
|
auto_startAutoUpdt();
|
|
break;
|
|
|
|
case 1: /* OFF */
|
|
auto_stopAutoUpdt();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*=====================================================================*/
|
|
/* ARGSUSED */
|
|
void mapw_dataCb ( Widget w, XtPointer clnt, XtPointer call )
|
|
/************************************************************************
|
|
* mapw_dataCb *
|
|
* *
|
|
* This function will pop up the data selection shell widget. *
|
|
* *
|
|
* void mapw_dataCb(w, clnt, call) *
|
|
* *
|
|
* Input Parameters: *
|
|
* w Widget *
|
|
* clnt XtPointer *
|
|
* call XtPointer *
|
|
* *
|
|
** *
|
|
* Log: *
|
|
* L. Williams 06/95 *
|
|
* H. Zeng/SAIC 07/04 made enhancements *
|
|
***********************************************************************/
|
|
{
|
|
if ( XtIsManaged(dataSelectW) ) {
|
|
|
|
XtUnmanageChild (dataSelectW);
|
|
XtManageChild(dataSelectW);
|
|
}
|
|
else {
|
|
|
|
XtManageChild(dataSelectW);
|
|
}
|
|
}
|
|
|
|
/*=====================================================================*/
|
|
|
|
int mapw_rgstr ( Widget mapwin )
|
|
/************************************************************************
|
|
* mapw_rgstr *
|
|
* *
|
|
* This routine will initialize the GEMPAK display variables and *
|
|
* register the map drawing area into a GEMPAK window. *
|
|
* *
|
|
* int mapw_rgstr ( mapwin ) *
|
|
* *
|
|
* Input parameters: *
|
|
* mapwin Widget The map drawing area widget *
|
|
* *
|
|
* Return code: *
|
|
* mapw_rgstr int 0 -- Successful. *
|
|
* -1 -- Error. *
|
|
** *
|
|
* Log: *
|
|
* S. Jacobs/NMC 7/94 *
|
|
* C. Lin/EAI 3/95 use new color bank structure *
|
|
* C. Lin/EAI 9/95 *
|
|
* D.W.Plummer/NCEP 10/98 change fill rule to 'EvenOddRule' *
|
|
* H. Zeng/EAI 04/00 changed cursor change function *
|
|
* T. Piper/SAIC 07/03 replaced gemdisplay with XtDisplay() *
|
|
* T. Piper/SAIC 07/03 replaced mapinit with gg_motf *
|
|
* T. Piper/SAIC 07/03 replaced routine with NxmGmpkRgstr *
|
|
***********************************************************************/
|
|
{
|
|
int iret;
|
|
char wname[8]="chooser";
|
|
/*---------------------------------------------------------------------*/
|
|
|
|
printf("entering mapw_rgstr\n");
|
|
wnxm_NxmGmpkRgstr(mapwin, wname, NULL);
|
|
printf("mapw_rgstr 1\n");
|
|
|
|
/*
|
|
* Draw the US map.
|
|
*/
|
|
|
|
draw_map(usrSelect.mapindx, nwxTable->map_info,
|
|
(int)usrSelect.zoomflg, &mapBnd, &iret);
|
|
|
|
printf("mapw_rgstr 2\n");
|
|
return( 0 );
|
|
}
|
|
|
|
/*=====================================================================*/
|
|
/* ARGSUSED */
|
|
void mapw_zoomCb ( Widget w, XtPointer clnt, XtPointer cbs )
|
|
/************************************************************************
|
|
* mapw_zoomCb *
|
|
* *
|
|
* This routine is the callback for the zoom button in the top menubar. *
|
|
* *
|
|
* mapw_zoomCb ( w, clnt, cbs ) *
|
|
* *
|
|
* Input parameters: *
|
|
* w Widget The input widget *
|
|
* clnt XtPointer The input data for the widget *
|
|
* cbs XtPointer The callback data for the widget*
|
|
** *
|
|
* C. Lin/EAI 6/95 based on the obsolete function *
|
|
* rband_end(). *
|
|
* C. Lin/EAI 10/95 *
|
|
* L. Williams/EAI 05/96 Add call to mapw_rmselstn. *
|
|
* S. Jacobs/NCEP 6/98 Removed np from call to GGTPNT *
|
|
* S. Jacobs/NCEP 3/99 Use ZOOM instead of G_TRUE *
|
|
* A. Hardy/GSC 11/00 renamed coordinate system declarations *
|
|
* T. Lee/GSC 01/01 Changed ityp to 13 *
|
|
* T. Piper/SAIC 05/03 replaced XAllocNamedColor w/xsncolr *
|
|
* R. Tian/SAIC 6/03 Remove call to mapw_rmselstn. *
|
|
* T. Piper/SAIC 07/03 replaced gemdisplay with XtDisplay() *
|
|
* E. Safford/SAIC 12/07 use wgem_ggtpnt(), wgem_gtrans() *
|
|
***********************************************************************/
|
|
{
|
|
|
|
static int org_flg = 0;
|
|
static Pixel org_zoombc, zoombc;
|
|
static int zflag = G_FALSE; /* flag for the zoom toggle button */
|
|
|
|
int ii, ityp, np, iret;
|
|
|
|
float xpts[2], ypts[2], xdev[2], ydev[2];
|
|
|
|
/*---------------------------------------------------------------------*/
|
|
/*
|
|
* Toggle the Zoom Button
|
|
*/
|
|
if (zflag == G_TRUE) { /* zoom off */
|
|
|
|
zflag = G_FALSE;
|
|
|
|
/*
|
|
* Restore the button color
|
|
*/
|
|
XtVaSetValues(w, XmNforeground, org_zoombc, NULL);
|
|
|
|
/*
|
|
* Restore the cursor
|
|
*/
|
|
wnxm_NxmCursor_setCursor(mapCanvW, CURS_DEFAULT);
|
|
|
|
/*
|
|
* Restore mouse to be selection status
|
|
*/
|
|
XSelectInput( XtDisplay(mapCanvW), XtWindow(mapCanvW),
|
|
ButtonPressMask | ButtonReleaseMask |
|
|
ExposureMask );
|
|
|
|
XtAddEventHandler( mapCanvW, ButtonPressMask, FALSE,
|
|
(XtEventHandler)mapw_pickstnEh, NULL );
|
|
}
|
|
else { /* zoom on */
|
|
|
|
zflag = G_TRUE;
|
|
|
|
/*
|
|
* Change mouse event handling for zooming
|
|
*/
|
|
XtRemoveEventHandler( mapCanvW, ButtonPressMask, FALSE,
|
|
(XtEventHandler)mapw_pickstnEh, NULL);
|
|
|
|
usrSelect.zoomflg = ZOOM;
|
|
|
|
/*
|
|
* get the original zoom button color and
|
|
* the color in zoom status when needed.
|
|
*/
|
|
if ( !org_flg ) {
|
|
|
|
XtVaGetValues(w, XmNforeground, &org_zoombc, NULL);
|
|
xsncolr("red", &zoombc, &iret);
|
|
|
|
org_flg = 1;
|
|
}
|
|
|
|
/*
|
|
* change to the zoom cursor
|
|
*/
|
|
wnxm_NxmCursor_setCursor(mapCanvW, CURS_POINT_SELECT);
|
|
|
|
|
|
/*
|
|
* change zoom button color
|
|
*/
|
|
XtVaSetValues( w, XmNforeground, zoombc, NULL);
|
|
XmUpdateDisplay( w );
|
|
|
|
/*
|
|
* get two corner points
|
|
*/
|
|
ityp = 13;
|
|
np = 2;
|
|
for ( ii = 0; ii < np; ii++)
|
|
xpts[ii] = ypts[ii] = 0.0F;
|
|
wgem_ggtpnt( sys_D, &ityp, xdev, ydev, &iret );
|
|
|
|
/*
|
|
* check if the box is big enough
|
|
*/
|
|
if ( fabs((double)(xdev[0] - xdev[1])) > 20. &&
|
|
fabs((double)(ydev[0] - ydev[1])) > 20. ) {
|
|
|
|
wgem_gtrans(sys_D, sys_M, &np, xdev, ydev, xpts, ypts,
|
|
&iret);
|
|
|
|
if ( iret == 0 ) {
|
|
for ( ii = 0; ii < np; ii++) {
|
|
mapBnd.x[ii] = xpts[ii];
|
|
mapBnd.y[ii] = ypts[ii];
|
|
};
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Redraw the map window
|
|
*/
|
|
fosd_plot( 1 );
|
|
|
|
/*
|
|
* Reset the zoom button
|
|
*/
|
|
mapw_zoomCb( w, NULL, NULL);
|
|
|
|
}
|
|
}
|