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Horizontally scrolling menu

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This commit is contained in:
fabio.olimpieri 2015-02-01 20:01:13 +00:00
parent 2e1fdc4c60
commit 61cfd4d4f5
1 changed files with 67 additions and 10 deletions
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75
src/menu_sdl.c
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@ -444,12 +444,7 @@ void menu_print_font(SDL_Surface *screen, int r, int g, int b,
&& buf[0] != '-' && buf[0] != ' ' && !strstr(buf, " \"")) && buf[0] != '-' && buf[0] != ' ' && !strstr(buf, " \""))
{ {
length = strlen(buf); length = strlen(buf);
if (length>max_string) if (length>max_string) buf[max_string]=0;
{
if (buf[length-8]== '.') strcpy (buf + max_string-8, buf + length-8);
else if (buf[length-4] == '.') strcpy (buf + max_string-4, buf + length-4);
else buf[length]=0;
}
} }
/* Fixup multi-menu option look */ /* Fixup multi-menu option look */
for (i = 0; i < strlen(buf) ; i++) for (i = 0; i < strlen(buf) ; i++)
@ -573,8 +568,54 @@ void draw_scr_file(int x,int y, char *filename)
} }
} }
int quit_thread;
struct
{
SDL_Surface *screen;
int x;
int y;
SDL_Rect r;
const char *msg;
int font_type;
int max_string;
} thread_struct;
int menu_thread(void * data)
{
int i , a;
while( quit_thread == 0 )
{
for (i=0; i<=(strlen(thread_struct.msg)-thread_struct.max_string);i++)
{
SDL_FillRect(screen, &thread_struct.r, SDL_MapRGB(screen->format, 0, 255, 255));
menu_print_font(thread_struct.screen, 0, 0, 0, thread_struct.x, thread_struct.y,
thread_struct.msg+i, thread_struct.font_type, thread_struct.max_string);
SDL_UpdateRect(thread_struct.screen, thread_struct.r.x,
thread_struct.r.y, thread_struct.r.w, thread_struct.r.h);
for (a=0; a<10;a++)
{
if (i==0) SDL_Delay(80); else SDL_Delay(30);
if (quit_thread) return 0;
}
}
for (a=0; a<10;a++)
{
SDL_Delay(60);
if (quit_thread) return 0;
}
}
return 0;
}
static void menu_draw(SDL_Surface *screen, menu_t *p_menu, int sel, int font_type, int draw_scr) static void menu_draw(SDL_Surface *screen, menu_t *p_menu, int sel, int font_type, int draw_scr)
{ {
static SDL_Thread *thread = NULL;
quit_thread = 1;
//int font_height = TTF_FontHeight(p_menu->p_font); //int font_height = TTF_FontHeight(p_menu->p_font);
//int line_height = (font_height + font_height / 2); //int line_height = (font_height + font_height / 2);
int line_height = 22/ RATIO; int line_height = 22/ RATIO;
@ -591,7 +632,7 @@ static void menu_draw(SDL_Surface *screen, menu_t *p_menu, int sel, int font_typ
if (font_type==FONT_ALT) y_start = p_menu->y1 + line_height+2/RATIO; if (font_type==FONT_ALT) y_start = p_menu->y1 + line_height+2/RATIO;
else y_start = p_menu->y1 + line_height+4/RATIO; else y_start = p_menu->y1 + line_height+4/RATIO;
if ((draw_scr)&&(RATIO==1)) max_string = 30; else max_string = 46; if ((draw_scr)&&(RATIO==1)) max_string = 30; else max_string = 52;
//if ( p_menu->n_entries * line_height > p_menu->y2 ) //if ( p_menu->n_entries * line_height > p_menu->y2 )
//y_start = p_menu->y1 + line_height; //y_start = p_menu->y1 + line_height;
@ -652,9 +693,23 @@ static void menu_draw(SDL_Surface *screen, menu_t *p_menu, int sel, int font_typ
menu_print_font(screen, 255,0,0, //Selected menu entry begining with ']' (tape browser) menu_print_font(screen, 255,0,0, //Selected menu entry begining with ']' (tape browser)
x_start, y_start + y, msg+1, font_type,max_string ); //do not show ']' x_start, y_start + y, msg+1, font_type,max_string ); //do not show ']'
else else
menu_print_font(screen, 0,0,0, //Selected menu entry {
if (strlen(msg)<=max_string) menu_print_font(screen, 0,0,0, //Selected menu entry
x_start, y_start + y, msg, font_type,max_string); x_start, y_start + y, msg, font_type,max_string);
else
{
if (thread) SDL_WaitThread(thread, NULL);
thread_struct.screen=screen;
thread_struct.x=x_start;
thread_struct.y=y_start + y;
thread_struct.msg=msg;
thread_struct.font_type=font_type;
thread_struct.max_string=max_string;
thread_struct.r=r;
quit_thread=0;
thread = SDL_CreateThread(menu_thread, NULL );
}
}
selected_file = msg; selected_file = msg;
} }
else if (IS_SUBMENU(msg)) else if (IS_SUBMENU(msg))
@ -1109,6 +1164,8 @@ static int menu_select_internal(SDL_Surface *screen,
keys = menu_wait_key_press(); keys = menu_wait_key_press();
quit_thread = 1;
if (keys & KEY_UP) if (keys & KEY_UP)
{select_next(p_menu, 0, -1, 1);play_click(0);} {select_next(p_menu, 0, -1, 1);play_click(0);}
else if (keys & KEY_DOWN) else if (keys & KEY_DOWN)