/* DeskLib Includes */

#include "DeskLib:Event.h"
#include "DeskLib:EventMsg.h"
#include "DeskLib:Resource.h"
#include "DeskLib:Core.h"
#include "DeskLib:Icon.h"
#include "DeskLib:Menu.h"
#include "DeskLib:Screen.h"
#include "DeskLib:Msgs.h"
#include "DeskLib:Dialog2.h"
#include "DeskLib:Template.h"
#include "DeskLib:Error.h"
#include "DeskLib:Window.h"
#include "DeskLib:Handler.h"
#include "DeskLib:Sprite.h"


/* Global Variables */

/* Reference stucture with all necessary parameters to be passed to functions.*/
struct reference
{
  BOOL quit;
  menu_ptr menuhandle;
  window_handle sprite_win;
};

/* Defines */

#define mainmenu_INFO 0
#define mainmenu_QUIT 1


/* Function Prototypes */

BOOL click(event_pollblock *event,void *ref);
BOOL menu_choice(event_pollblock *event, void *ref);
BOOL proginfo(event_pollblock *event, void *ref);
BOOL close_win(event_pollblock *event, void *ref);
BOOL redraw(event_pollblock *event, void *ref);
void task_setup(void);
void iconbar_setup(struct reference *ref);
void menu_setup(struct reference *ref);
void windows_setup(void);
void open_window(struct reference *ref);


/* Main Program */

int main(void)
{
  struct reference ref;

  ref.quit = FALSE;
  ref.sprite_win = NULL;
  
  task_setup();
  windows_setup();
  iconbar_setup(&ref);
  menu_setup(&ref);

/* Polling loop. *************************************************************/
  while(!ref.quit) Event_Poll();

  return(0);
}

void task_setup(void)
{
  char appname[20];
  
/* Initialise resource paths *************************************************/
  Resource_Initialise("!Sprite");

/* Initialise and load Templates *********************************************/
  Template_Initialise();
  Template_LoadFile("Templates");

/* Load messages file and look up application name for initialisation.
 * The default application name is set to 'Tester'. **************************/
  Msgs_LoadFile("messages");
  Msgs_Lookup("app.name:Tester", appname, 20);

/* Initialise Task and Event processing system *******************************/   Event_Initialise(appname);

/* Initialise User messaging system needed for Warnings **********************/
  EventMsg_Initialise();

/* This is necessary to display the menu correctly. **************************/
  Screen_CacheModeInfo();
}

void iconbar_setup(struct reference *ref)
{
  icon_handle baricon;

/* Put icon on iconbar and store the handler. ********************************/
  baricon = Icon_BarIcon("!sprite", iconbar_RIGHT);

/* Check for mouse clicks on icon. *******************************************/
  Event_Claim(event_CLICK, -2, baricon, click, (void *)ref);
}

void menu_setup(struct reference *ref)
{
  char menu[100], menutitle[20];
  dialog2_block *info;

/* Look up menu descriptions, create menu and store menu handler. ************/
  if(!Msgs_Lookup("menu.main", menu, 100))
  {
    Error_Report(1, "Can't find menu description.");
    ref->quit = TRUE;
  }
/* Look up menu title, create menu and store menu handler. *******************/
  Msgs_Lookup("menu.main", menu, 100);
  Msgs_Lookup("title.main:Main", menutitle, 20);
  ref->menuhandle = Menu_New(menutitle, menu);

/* Create Dialog box and set a warning to make it pop up when selected *******/
  info = Dialog2_CreateDialogBlock( "prog_info", -1, -1, NULL, NULL, NULL);
  Menu_Warn(ref->menuhandle, mainmenu_INFO, TRUE, proginfo, (void *)info);

/* Check for menu selections. ************************************************/
  Event_Claim(event_MENU, event_ANY, event_ANY, menu_choice, (void *)ref); 
}

void windows_setup(void)
{
  static char sblck[24576];
  static sprite_areainfo *sblock = (sprite_areainfo *)sblck;
  
  Sprite_Load((sprite_area)sblock, "<!Sprite$Dir>.sprite");

/* Handle the window buttons. ************************************************/
  Event_Claim(event_OPEN, event_ANY, event_ANY, Handler_OpenWindow, NULL);
  Event_Claim(event_REDRAW, event_ANY, event_ANY, redraw, (void *)sblock); 
}

BOOL menu_choice(event_pollblock *event, void *ref)
{
  struct reference *ptr;

/* Cast reference structure back from VOID. **********************************/
  ptr = (struct reference *)ref;

/* Check which menu point was selected ***************************************/
  if(event->data.selection[0] == mainmenu_QUIT)
  {
/* If 'Quit' was selected, close the task down and end polling loop. *********/
    Event_CloseDown();
    ptr->quit = TRUE;
  }
  return(TRUE);  
}

BOOL proginfo(event_pollblock *event, void *ref)
{
  Dialog2_OpenDialogMenuLeaf(event, (dialog2_block *)ref);

  return(TRUE);
}

BOOL click(event_pollblock *event, void *ref)
{
  struct reference *ptr;

/* Cast reference structure back from VOID. **********************************/
  ptr = (struct reference *)ref;

/* Check if click was the menu button. ***************************************/
  if(event->data.mouse.button.data.menu)
  {
/* Show the menu at the position of the mouse pointer but on top the icon bar.*/
    Menu_Show(ptr->menuhandle, event->data.mouse.pos.x, -1);
  }
/* Check if the click was the select button. *********************************/
  if(event->data.mouse.button.data.select)
  {
/* Show the menu at the position of the mouse pointer but on top the icon bar.*/
    open_window(ref);
  }
  return(TRUE);
}

void open_window(struct reference *ref)
{
  struct reference *ptr;
  
/* Cast reference structure back from VOID. **********************************/
  ptr = (struct reference *)ref;
  
/* Open choices window and set necessary flags ********************************/
  if(ptr->sprite_win == NULL) ptr->sprite_win = Window_Create("SpriteWin", 20);
  Window_Show(ptr->sprite_win, open_CENTERED);

/* Check for close button. ***************************************************/
  Event_Claim(event_CLOSE, ptr->sprite_win, event_ANY, close_win, ref);
}

BOOL close_win(event_pollblock *event, void *ref)
{
  struct reference *ptr;
   
/* Cast reference structure back from VOID. **********************************/
  ptr = (struct reference *)ref;

/* Delete window and set hanlde back to NULL. ********************************/
  Window_Delete(ptr->sprite_win);
  ptr->sprite_win = NULL;
  
  return(TRUE);
}

BOOL redraw(event_pollblock *event, void *ref)
{
  window_redrawblock redraw;
  BOOL more;
  wimp_point point;
  convert_block convert;
  sprite_areainfo *sblock;

  sblock = (sprite_areainfo *)ref;
  point.x=100;
  point.y=-500;

  redraw.window = event->data.openblock.window;
  Window_GetCoords(redraw.window, &convert);
  Wimp_RedrawWindow(&redraw, &more);

  while (more)
  {
    Sprite_WimpPlot((sprite_area)sblock, "sprite", &point, &convert, 0);
    Wimp_GetRectangle(&redraw, &more);
  }

  return(TRUE);
}

/* EOF. */
