kolibrios-fun/programs/demos/life2/me_cdlg_win.cpp

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#include <windows.h>
#include <commdlg.h>
#include <menuet.h>
#include <me_heap.h>
#include "me_cdlg.h"
using namespace Menuet;
extern HINSTANCE hInstance;
struct TThreadDataStruct
{
void *user;
void *stack_begin;
TWindowData *win_data;
HWND hwnd;
int flag;
unsigned int win_time, me_time;
void *picture;
unsigned int picture_width, picture_height;
void *keys;
unsigned int bmp_data_length;
unsigned int *bmp_data;
unsigned int mouse_state;
};
struct TOpenFileData
{
int state;
char name[1];
};
namespace Menuet
{
TOpenFileStruct::TOpenFileStruct() : data(0) {}
TOpenFileStruct::~TOpenFileStruct()
{
if (data) {delete[] (char*)data; data = 0;}
}
void OpenFileInit(TOpenFileStruct &ofs) {ofs.data = 0;}
void OpenFileDelete(TOpenFileStruct &ofs)
{
if (ofs.data) {delete[] (char*)ofs.data; ofs.data = 0;}
}
bool OpenFileDialog(TOpenFileStruct &ofs)
{
char CustomFilter[300], *name;
int size;
CustomFilter[0] = 0; CustomFilter[1] = 0;
if (!OpenFileSetState(ofs, 0)) return false;
OPENFILENAME ofn = {sizeof(OPENFILENAME), ((TThreadDataStruct*)GetThreadData())->hwnd,
hInstance, "All files (*.*)\0*.*\0",
CustomFilter, sizeof(CustomFilter)-1, 1, NULL, 0, NULL, 0, NULL, NULL,
OFN_HIDEREADONLY | OFN_EXPLORER, 0, 0, "", 0, NULL, 0};
size = 0;
if (ofs.data) size = strlen(((TOpenFileData*)ofs.data)->name) + 1;
if (size < 10000) size = 10000;
name = new char[size + 1];
if (!name) return false;
if (ofs.data) strcpy(name, ((TOpenFileData*)ofs.data)->name);
else name[0] = 0;
ofn.lpstrFile = &name[0]; ofn.nMaxFile = size;
size = GetOpenFileName(&ofn) == TRUE;
if (OpenFileSetName(ofs, name))
{
((TOpenFileData*)ofs.data)->state = (size ? 2 : 1);
}
else size = 0;
delete[] name;
return (bool)size;
}
int OpenFileGetState(const TOpenFileStruct &ofs)
{
return ofs.data ? ((TOpenFileData*)ofs.data)->state : 0;
}
bool OpenFileSetState(TOpenFileStruct &ofs, int state)
{
if (!ofs.data || !((TOpenFileData*)ofs.data)->state) return !state;
if (((TOpenFileData*)ofs.data)->state == state) return true;
if (state < 0) return false;
((TOpenFileData*)ofs.data)->state = state;
return true;
}
char *OpenFileGetName(const TOpenFileStruct &ofs)
{
if (!ofs.data) return 0;
else return ((TOpenFileData*)ofs.data)->name;
}
bool OpenFileSetName(TOpenFileStruct &ofs, char *name)
{
if (!ofs.data && !name) return true;
int size = (unsigned int)(((TOpenFileData*)0)->name) + 1;
int state = 0;
if (name) size += strlen(name);
if (ofs.data)
{
state = ((TOpenFileData*)ofs.data)->state;
delete[] (char*)ofs.data;
}
ofs.data = (unsigned int)(new char[size]);
if (!ofs.data) return false;
((TOpenFileData*)ofs.data)->state = state;
if (name) strcpy(((TOpenFileData*)ofs.data)->name, name);
else ((TOpenFileData*)ofs.data)->name[0] = 0;
return true;
}
}