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#include <stdlib.h>
#include <assert.h>
#include "main.h"
#include "list.h"
#include "interface.h"
#include "screen.h"
#include "layer.h"
#include "myTimer.h"
//#define DEBUG_TIME_DRAW
static screen_t *currentScreen;
static screen_t *futureScreen;
static list_t *listScreen;
static bool_t isScreenInit = FALSE;
bool_t isScreenInicialized()
{
return isScreenInit;
}
screen_t* newScreen(char *name,
void (*fce_start)(), void (*fce_event)(),
void (*fce_draw)(), void (*fce_stop)())
{
screen_t *new;
assert( name != NULL );
assert( fce_start != NULL );
assert( fce_event != NULL );
assert( fce_draw != NULL );
assert( fce_stop != NULL );
new = malloc( sizeof(screen_t) );
new->name = strdup(name);
new->fce_start = fce_start;
new->fce_event = fce_event;
new->fce_draw = fce_draw;
new->fce_stop = fce_stop;
return new;
}
void destroyScreen(screen_t *p)
{
assert( p != NULL );
free(p->name);
free(p);
}
void registerScreen(screen_t *p)
{
assert( p != NULL );
#ifdef DEBUG
printf(_("Registering screen: \"%s\"\n"), p->name);
#endif
addList(listScreen, p);
}
void initScreen()
{
listScreen = newList();
currentScreen = NULL;
futureScreen = NULL;
isScreenInit = TRUE;
}
static screen_t* findScreen(char *name)
{
screen_t *this;
int i;
for( i = 0 ; i < listScreen->count ; i++ )
{
this = (screen_t *) (listScreen->list[i]);
assert( this != NULL );
if( strcmp(name, this->name) == 0 )
{
return this;
}
}
return NULL;
}
void setScreen(char *name)
{
futureScreen = findScreen(name);
assert( futureScreen != NULL );
}
void switchScreen()
{
if( futureScreen == NULL )
{
return;
}
flushLayer();
if( currentScreen != NULL )
{
#ifdef DEBUG
printf(_("Stopping screen:\" %s\"\n"), currentScreen->name);
#endif
currentScreen->fce_stop();
}
currentScreen = futureScreen;
futureScreen = NULL;
//printf("switch screen %s..\n", currentScreen->name);
#ifdef DEBUG
printf(_("Starting screen: \"%s\"\n"), currentScreen->name);
#endif
currentScreen->fce_start();
}
void startScreen(char *name)
{
setScreen(name);
switchScreen();
}
char* getScreen()
{
assert( currentScreen != NULL );
return currentScreen->name;
}
void drawScreen()
{
static int count = 0;
count++;
if( count == 1 )
{
count = 0;
assert( currentScreen != NULL );
#ifdef DEBUG_TIME_DRAW
my_time_t prev;
prev = getMyTimeMicro();
#endif
currentScreen->fce_draw();
interfaceRefresh();
#ifdef DEBUG_TIME_DRAW
printf("c draw time = %d\n", getMyTimeMicro() - prev );
#endif
}
}
void eventScreen()
{
assert( currentScreen != NULL );
#ifdef DEBUG_TIME_EVENT
my_time_t prev;
prev = getMyTimeMicro();
#endif
currentScreen->fce_event();
#ifdef DEBUG_TIME_EVENT
printf("c event time = %d\n", getMyTimeMicro() - prev );
#endif
}
void quitScreen()
{
assert( listScreen != NULL );
destroyListItem(listScreen, destroyScreen);
isScreenInit = FALSE;
}
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