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#include <Library/UefiLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include "dialog-box.h"
#define COLOR_WHITE_CYAN (EFI_TEXT_ATTR(EFI_WHITE, EFI_CYAN))
#define COLOR_WHITE_LIGHTGRAY (EFI_TEXT_ATTR(EFI_WHITE, EFI_LIGHTGRAY))
#define HIGHLIGHT(w, active) \
whline(w, 0, 0, 0, active ? COLOR_WHITE_CYAN : COLOR_WHITE_LIGHTGRAY, 0)
CONST CHAR16 ok_button_msg[] = L"[ OK ]";
CONST CHAR16 cl_button_msg[] = L"[ Cancel ]";
STATIC VOID highlight_widget(struct dbox_ctx *dbox, enum dbox_widgets wid, BOOLEAN active)
{
if(wid == DBOX_OK_BUTTON) {
HIGHLIGHT(dbox->wok, active);
wrefresh(dbox->wok);
}
else if(wid == DBOX_CL_BUTTON) {
HIGHLIGHT(dbox->wcl, active);
wrefresh(dbox->wcl);
}
else if(wid == DBOX_INPUT_BOX)
input_update(dbox->in);
}
STATIC VOID set_active_widget(struct dbox_ctx *dbox, enum dbox_widgets wid)
{
enum dbox_widgets extreme_val = dbox->in ? DBOX_END_WID : DBOX_INPUT_BOX;
if(wid <= DBOX_START_WID)
wid = extreme_val - 1;
else if(wid >= extreme_val)
wid = DBOX_START_WID + 1;
highlight_widget(dbox, dbox->active_widget, FALSE);
dbox->active_widget = wid;
highlight_widget(dbox, dbox->active_widget, TRUE);
}
struct dbox_ctx *dbox_alloc(struct screen *scr, CONST CHAR16 *title,
CONST CHAR16 *label, BOOLEAN wid_input, CONST CHAR16 *input_text)
{
struct dbox_ctx *dbox;
UINTN y;
CONST UINTN dbox_height = wid_input ? 6 : 5;
CONST UINTN dbox_width = 52; // why 52?
CONST UINTN len_ok = StrLen(ok_button_msg), len_cl = StrLen(cl_button_msg);
UINTN start_x, start_y, start_ok;
BOOLEAN res = FALSE;
ASSERT(scr != NULL);
dbox = AllocateZeroPool(sizeof(struct dbox_ctx));
if(!dbox)
return NULL;
do { // START DO
start_x = (scr->columns - dbox_width) / 2;
start_y = (scr->lines - dbox_height) / 2;
dbox->wbg = newwin(scr, dbox_width, dbox_height, start_x, start_y);
if(!dbox->wbg)
break;
wborder(dbox->wbg,
BOXDRAW_VERTICAL, BOXDRAW_VERTICAL, BOXDRAW_HORIZONTAL, BOXDRAW_HORIZONTAL,
BOXDRAW_DOWN_RIGHT, BOXDRAW_DOWN_LEFT, BOXDRAW_UP_RIGHT, BOXDRAW_UP_LEFT
);
mvwprintf(dbox->wbg, 1 + ((dbox_width - StrLen(title)) / 2), 0, L"%s", title);
mvwprintf(dbox->wbg, 2, 1, L"%s", label);
whline(dbox->wbg, 1, dbox_height - 3, BOXDRAW_HORIZONTAL, -1, dbox_width - 2);
if(wid_input) {
dbox->in = input_alloc(scr, start_x + 2, start_y + 2,
dbox_width - 4, COLOR_WHITE_CYAN, input_text);
if(!dbox->in)
break;
}
start_ok = start_x + 1 + ((dbox_width - len_ok - 1 - len_cl) / 2);
dbox->wok = newwin(scr, len_ok, 1, start_ok, start_y + dbox_height - 2);
if(!dbox->wok)
break;
mvwprintf(dbox->wok, 0, 0, ok_button_msg);
HIGHLIGHT(dbox->wok, !wid_input);
dbox->wcl = newwin(scr, len_cl, 1, start_ok + 1 + len_ok, start_y + dbox_height - 2);
if(!dbox->wcl)
break;
mvwprintf(dbox->wcl, 0, 0, cl_button_msg);
HIGHLIGHT(dbox->wcl, FALSE);
for(y = 0; y < dbox_height; y++)
whline(dbox->wbg, 0, y, 0, COLOR_WHITE_LIGHTGRAY, 0);
res = TRUE;
} while(0); // END DO
if(!res) {
dbox_release(dbox);
return NULL;
}
return dbox;
}
VOID dbox_release(struct dbox_ctx *dbox)
{
ASSERT(dbox != NULL);
if(dbox->wbg)
delwin(dbox->wbg);
if(dbox->in)
input_release(dbox->in);
if(dbox->wok)
delwin(dbox->wok);
if(dbox->wcl)
delwin(dbox->wcl);
FreePool(dbox);
}
BOOLEAN dbox_handle(struct dbox_ctx *dbox)
{
EFI_INPUT_KEY key;
set_active_widget(dbox, dbox->in ? DBOX_INPUT_BOX : DBOX_OK_BUTTON);
for(;;)
{
key = wgetch(dbox->wbg);
if(key.ScanCode == SCAN_ESC)
return FALSE;
else if(key.ScanCode == SCAN_UP)
set_active_widget(dbox, dbox->active_widget - 1);
else if(key.ScanCode == SCAN_DOWN)
set_active_widget(dbox, dbox->active_widget + 1);
else if(key.UnicodeChar == CHAR_LINEFEED || key.UnicodeChar == CHAR_CARRIAGE_RETURN) {
if(dbox->active_widget == DBOX_CL_BUTTON)
return FALSE;
return TRUE;
}
else if(dbox->active_widget == DBOX_INPUT_BOX)
input_handle_char(dbox->in, key);
}
}
VOID dbox_refresh(struct dbox_ctx *dbox)
{
wrefresh(dbox->wbg);
if(dbox->in)
input_update(dbox->in);
wrefresh(dbox->wok);
wrefresh(dbox->wcl);
}
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