PResourceManager.h

//==============================================================================
// File:        PResourceManager.h
//
// Copyright (c) 2017, Phil Harvey, Queen's University
//==============================================================================
#ifndef __PResourceManager_h__
#define __PResourceManager_h__

#include <stdio.h>
#include <Xm/Xm.h>
#include "PSpeaker.h"
#include "PProjImage.h"
#include "AgedResource.h"

const short kMaxSettingsFilenameLen = 256;

// data for translation callback
struct TranslationData {
    Widget      widget;     // the widget generating the callback
    XEvent    * event;      // the event generating the callback
    String    * params;     // pointer to array of parameter strings
    Cardinal    num_params; // number of parameters
};

struct SWindowGeometry {
    Dimension   x, y;
    Dimension   width, height;
};

class PResourceManager {
public:
    static void                 InitApp();
    static void                 InitResources(Widget toplevel);
    static void                 WriteSettings(AgedResource *res, int force_save);
    static XrmOptionDescRec   * GetCommandLineOptions();
    static int                  GetNumOptions();
    static void                 SetApp(XtAppContext anApp, Display *dpy, GC gc);
    static void                 SetColours(int colorSet);
    static void                 ListResources(Widget w);
    static Cursor               GetCursor(ECursorType aCursor)  { return sResource.cursor[aCursor]; }
    static int                  GetSettingsFilename(char *outName);
    static void                 SetSettingsFilename(char *name);
    static void                 SetWindowGeometry(char *name, SWindowGeometry *geo);
    static int                  GetWindowGeometry(char *name, SWindowGeometry *geo);
    static int                  GetWindowGeometry(Widget w, SWindowGeometry *geo);
    static void                 GetResourceName(Widget w, char *buff);
    static XColor             * GetColour(int num) { return sColours + num; }
    static void                 SetColour(int num, XColor *xcol);
    static void                 SetWindowOffset(int dx, int dy);

    static AgedResource         sResource;
    static PSpeaker           * sSpeaker;
    
    // X callbacks
    static void                 Str2floatXm(XrmValue *args, Cardinal *nargs, XrmValue *fromVal, XrmValue *toVal);
    static void                 TranslationCallback(Widget w, XEvent *ev, String *params,
                                             Cardinal *num_params);
    
    static void                 WritePaddedLabel(FILE *fp, char *object_name, char *res_name);

private:
    static void                 FreeColours();
    static void                 CopyColours();
    static float                ReadResourceVersion(char *buff);
    static void                 LoadSettings();
    static int                  VerifySettingsFile();
    static void                 WriteWindowGeometries(FILE *dest_file);
    static void                 AllocColours(int num, Pixel **col, int first,
                                             int nseeds, int overscale, int extras);
    static void                 FreeAllocatedColours(Pixel *col, int num);
                                             
    static int                  sResourceFileSaveConfig;
    static char               * sAllocFlags;
    static char                 sSettingsFilename[kMaxSettingsFilenameLen];
    static XColor               sColours[2 * NUM_COLOURS];
    static char                 sColoursAllocated[2 * NUM_COLOURS];
    static int                  sWindowOffsetX;
    static int                  sWindowOffsetY;
};

// made this extern "C" instead of a static member to make a dumb compiler happier - PH 05/08/00
extern "C" int WriteGeoProc(XrmDatabase *database,XrmBindingList bindings,XrmQuarkList quarks,
                            XrmRepresentation *type,XrmValue *value, XPointer enumData);
                            
#endif // __PResourceManager_h__