#include "std.h"
#include "resource.h"
#include "emul.h"
#include "vars.h"
#include "gui.h"
#include "util.h"
struct FILEPREVIEWINFO
{
OPENFILENAME *ofn;
struct { HWND h; int dx,dy; } list;
struct { HWND h; } dlg;
struct { HWND h; } innerdlg;
void OnResize();
void OnChange();
void PreviewTRD(char *filename);
void PreviewSCL(char *filename);
void Preview(unsigned char *cat);
} FilePreviewInfo;
void FILEPREVIEWINFO::OnResize()
{
const int dlgbase = 280;
const int listbase = 136;
RECT dlgrc; GetWindowRect(dlg.h, &dlgrc);
list.dy = (dlgrc.bottom - dlgrc.top) - dlgbase + listbase;
SetWindowPos(list.h, 0, 0, 0, list.dx, list.dy,
SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOACTIVATE);
}
void FILEPREVIEWINFO::OnChange()
{
char filename[512];
int r = SendMessage(dlg.h, CDM_GETFILEPATH, sizeof(filename), (LPARAM) filename);
SendMessage(list.h, LVM_DELETEALLITEMS, 0, 0);
if (r < 0 || (GetFileAttributes(filename) & FILE_ATTRIBUTE_DIRECTORY)) return;
#if 0 // too slow for every file
TRKCACHE t;
FDD TestDrive;
unsigned char type = what_is(filename);
if (type < snSCL) return;
TestDrive.emptydisk();
if (!TestDrive.read(type)) return;
#endif
char *ext = strrchr(filename, '.');
if (!ext) return;
ext++;
if (!stricmp(ext, "trd")) PreviewTRD(filename);
if (!stricmp(ext, "scl")) PreviewSCL(filename);
}
void FILEPREVIEWINFO::Preview(unsigned char *cat)
{
::dlg = innerdlg.h;
unsigned char bas = getcheck(IDC_PREVIEW_BASIC);
unsigned char del = getcheck(IDC_PREVIEW_ERASED);
int count = 0;
char fn[10];
LVITEM item;
item.mask = LVIF_TEXT;
item.pszText = fn;
for (unsigned p = 0; p < 0x800; p += 0x10) {
if (!cat[p]) break;
if (!del && cat[p] == 1) continue;
if (bas && cat[p+8] != 'B') continue;
memcpy(fn, cat+p, 8); fn[8] = 0;
item.iItem = count++;
item.iSubItem = 0;
item.iItem = SendMessage(list.h, LVM_INSERTITEM, 0, (LPARAM) &item);
fn[0] = cat[p+8]; fn[1] = 0;
item.iSubItem = 1;
SendMessage(list.h, LVM_SETITEM, 0, (LPARAM) &item);
sprintf(fn, "%d", cat[p+13]);
item.iSubItem = 2;
SendMessage(list.h, LVM_SETITEM, 0, (LPARAM) &item);
}
}
void FILEPREVIEWINFO::PreviewTRD(char *filename)
{
unsigned char cat[0x800];
FILE *ff = fopen(filename, "rb");
int sz = fread(cat, 1, 0x800, ff);
fclose(ff);
if (sz != 0x800) return;
Preview(cat);
}
void FILEPREVIEWINFO::PreviewSCL(char *filename)
{
unsigned char cat[0x800] = { 0 };
unsigned char hdr[16];
FILE *ff = fopen(filename, "rb");
unsigned sz = fread(hdr, 1, 9, ff), count = 0;
if (sz == 9 && !memcmp(hdr, "SINCLAIR", 8)) {
unsigned max = hdr[8]; sz = max*14;
unsigned char *cat1 = (unsigned char*)alloca(sz);
if (fread(cat1, 1, sz, ff) == sz) {
for (unsigned i = 0; i < sz; i += 14) {
memcpy(cat+count*0x10, cat1+i, 14);
count++; if (count == 0x80) break;
}
}
}
fclose(ff);
if (count) Preview(cat);
}
UINT_PTR CALLBACK PreviewDlgProc(HWND dlg, UINT msg, WPARAM wp, LPARAM lp)
{
switch (msg)
{
case WM_INITDIALOG:
{
FilePreviewInfo.ofn = (OPENFILENAME*)lp;
FilePreviewInfo.innerdlg.h = dlg;
FilePreviewInfo.dlg.h = GetParent(dlg);
FilePreviewInfo.list.h = GetDlgItem(dlg, IDC_PREVIEW_BOX);
unsigned exflags = LVS_EX_HEADERDRAGDROP | LVS_EX_FULLROWSELECT;
SendMessage(FilePreviewInfo.list.h, LVM_SETEXTENDEDLISTVIEWSTYLE, exflags, exflags);
LVCOLUMN sizeCol;
sizeCol.mask = LVCF_FMT | LVCF_TEXT | LVCF_WIDTH;
sizeCol.fmt = LVCFMT_LEFT;
sizeCol.cx = 80;
sizeCol.pszText = PSTR("Filename");
SendMessage(FilePreviewInfo.list.h, LVM_INSERTCOLUMN, 0, (LPARAM)&sizeCol);
sizeCol.cx = 40;
sizeCol.pszText = PSTR("Ext");
SendMessage(FilePreviewInfo.list.h, LVM_INSERTCOLUMN, 1, (LPARAM)&sizeCol);
sizeCol.cx = 50;
sizeCol.pszText = PSTR("Size");
SendMessage(FilePreviewInfo.list.h, LVM_INSERTCOLUMN, 2, (LPARAM)&sizeCol);
RECT rc; GetWindowRect(FilePreviewInfo.list.h, &rc);
FilePreviewInfo.list.dx = rc.right - rc.left;
FilePreviewInfo.list.dy = rc.bottom - rc.top;
break;
}
case WM_COMMAND:
if (LOWORD(wp) == IDC_PREVIEW_BASIC || LOWORD(wp) == IDC_PREVIEW_ERASED)
FilePreviewInfo.OnChange();
break;
case WM_SIZE:
FilePreviewInfo.OnResize();
break;
case WM_NOTIFY:
if (((OFNOTIFY*)lp)->hdr.code == CDN_SELCHANGE)
FilePreviewInfo.OnChange();
break;
}
return 0;
}
int GetSnapshotFileName(OPENFILENAME *ofn, int save)
{
ofn->Flags |= save? OFN_PATHMUSTEXIST : OFN_FILEMUSTEXIST;
ofn->Flags |= OFN_HIDEREADONLY | OFN_EXPLORER | OFN_NOCHANGEDIR | OFN_ENABLESIZING;
ofn->Flags |= OFN_ENABLEHOOK | OFN_ENABLETEMPLATE;
ofn->hwndOwner = GetForegroundWindow();
ofn->hInstance = hIn;
ofn->lpstrTitle = save? "Save Snapshot / Disk / Tape as" : "Load Snapshot / Disk / Tape";
ofn->lpfnHook = PreviewDlgProc;
ofn->lpTemplateName = MAKEINTRESOURCE(IDD_FILEPREVIEW);
ofn->lpstrInitialDir = temp.SnapDir;
BOOL res = save? GetSaveFileName(ofn) : GetOpenFileName(ofn);
if (res)
{
strcpy(temp.SnapDir, ofn->lpstrFile);
char *Ptr = strrchr(temp.SnapDir, '\\');
if(Ptr)
*Ptr = 0;
return res;
}
DWORD errcode = CommDlgExtendedError();
if (!errcode) return 0;
color(CONSCLR_ERROR);
printf("Error while selecting file. Code is 0x%08lX\n", errcode);
return 0;
}