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#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Library/DebugLib.h>
#include <Library/ShellLib.h>
#include <Library/MemoryAllocationLib.h>
#include "screen.h"
#include "win.h"
#define CHECK_POSITION(win, x, y) \
if(x < 0 || y < 0 || x >= w->width || y >= w->height) \
return FALSE
#define SET_WINDOW_CHAR(win, col, row, character, attrib) \
w->text[row][col] = character; \
w->attr[row][col] = attrib
#define SET_WINDOW_CHAR2(win, col, row, character) \
SET_WINDOW_CHAR(win, col, row, character, win->cur_attr)
struct window *newwin(struct screen *s,
INT32 ncols, INT32 nlines, INT32 begin_x, INT32 begin_y)
{
INTN x, y;
struct window *win;
ASSERT(s != NULL);
if(ncols <= 0 || nlines <= 0 || begin_x < 0 || begin_y < 0)
return NULL;
if((begin_x + ncols) > s->columns || (begin_y + nlines) > s->lines)
return NULL;
win = AllocateZeroPool(sizeof(struct window));
if(!win)
return NULL;
win->text = AllocatePool(nlines * sizeof(CHAR16 *));
if(!win->text) {
delwin(win);
return NULL;
}
win->attr = AllocatePool(nlines * sizeof(INT32 *));
if(!win->attr) {
delwin(win);
return NULL;
}
win->scr = s;
win->curx = 0;
win->cury = 0;
win->begx = begin_x;
win->begy = begin_y;
win->width = ncols;
win->height = nlines;
win->cur_attr = s->attr;
for(y = 0; y < nlines; y++) {
win->text[y] = AllocatePool((ncols + 1) * sizeof(CHAR16));
win->attr[y] = AllocatePool((ncols + 1) * sizeof(INT32));
if(!win->text[y] || !win->attr[y]) {
delwin(win);
return NULL;
}
for(x = 0; x < ncols; x++) {
win->text[y][x] = L' ';
win->attr[y][x] = win->cur_attr;
}
win->text[y][x] = CHAR_NULL;
win->attr[y][x] = win->cur_attr;
}
return win;
}
VOID delwin(struct window *w)
{
INTN i;
ASSERT(w != NULL);
if(w->text) {
for(i = 0; i < w->height; i++) {
if(w->text[i])
FreePool(w->text[i]);
}
FreePool(w->text);
}
if(w->attr) {
for(i = 0; i < w->height; i++) {
if(w->attr[i])
FreePool(w->attr[i]);
}
FreePool(w->attr);
}
FreePool(w);
}
VOID wattrset(struct window *w, INT32 attr)
{
ASSERT(w != NULL);
w->cur_attr = attr;
}
VOID wattroff(struct window *w)
{
ASSERT(w != NULL);
w->cur_attr = w->scr->attr;
}
BOOLEAN wmove(struct window *w, INT32 x, INT32 y)
{
ASSERT(w != NULL);
CHECK_POSITION(w, x, y);
w->curx = x;
w->cury = y;
return TRUE;
}
BOOLEAN wborder(struct window *w, CHAR16 ls, CHAR16 rs, CHAR16 ts,
CHAR16 bs, CHAR16 tl, CHAR16 tr, CHAR16 bl, CHAR16 br)
{
INT32 i, endx, endy;
ASSERT(w != NULL);
endx = w->width - 1;
endy = w->height - 1;
for(i = 0; i <= endx; i++) {
SET_WINDOW_CHAR2(w, i, 0, ts);
SET_WINDOW_CHAR2(w, i, endy, bs);
}
for(i = 0; i <= endy; i++) {
SET_WINDOW_CHAR2(w, 0, i, ls);
SET_WINDOW_CHAR2(w, endx, i, rs);
}
SET_WINDOW_CHAR2(w, 0, 0, tl);
SET_WINDOW_CHAR2(w, endx, 0, tr);
SET_WINDOW_CHAR2(w, 0, endy, bl);
SET_WINDOW_CHAR2(w, endx, endy, br);
return TRUE;
}
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