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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include "resources/resources.h"
LRESULT CALLBACK window_process (HWND, UINT, WPARAM, LPARAM); // Window process
void error(char * from); // Give API error then quit
void notify(char * message); // Notify user via a message box
void notifyd(int d); // Message box a number
int get_file_count(char *); // get number of files/dirs within a dir
WIN32_FIND_DATA * getWFDs(char * dir); // fill WFD
LPSTR app_name = "FishLIST";
TEXTMETRIC tm; // Character meterics
int client_width; // current width of client area
int client_height; // current height of client area
struct { // user setting
int pos_x; // x cordinates of window
int pos_y; // y cordinates of window
int width; // width of window
int height; // height of window
int font_size; // size of font
char font[FILENAME_MAX]; // font name
} user_config;
int WINAPI WinMain(HINSTANCE instance, HINSTANCE prev_instance,
PSTR cmd_line, int cmd_show){
HWND hwnd;
MSG window_msg;
WNDCLASS mainwnd;
memset(&mainwnd, 0, sizeof(WNDCLASS));
mainwnd.style = CS_HREDRAW | CS_VREDRAW;
mainwnd.lpfnWndProc = &window_process;
mainwnd.cbClsExtra = 0;
mainwnd.cbWndExtra = 0;
mainwnd.hInstance = instance;
mainwnd.hIcon = LoadIcon(instance, "ICON_OPEN");
mainwnd.hCursor = LoadCursor (NULL, IDC_ARROW); // default IDC_ARROW
mainwnd.hbrBackground = CreateSolidBrush(RGB(0, 0, 0));
mainwnd.lpszClassName = app_name;
mainwnd.lpszMenuName = NULL;
if(!RegisterClass(&mainwnd)){
error("RegisterClass");
}
FILE * fp_config;
if(!(fp_config = fopen("config", "rb"))) {
notify("No configuration file found, so a default one will be created"
" and used.");
if(fp_config = fopen("config", "wb")){
user_config.pos_x = CW_USEDEFAULT;
user_config.pos_y = CW_USEDEFAULT;
user_config.width = 500;
user_config.height = 300;
memset(user_config.font, FILENAME_MAX, 0);
sprintf(user_config.font, "Fixed");
user_config.font_size = 0;
fwrite(&user_config, sizeof(user_config), 1, fp_config);
}
else{
error("Cannot create configuration file.");
}
}
else{
fread(&user_config, sizeof(user_config), 1, fp_config);
}
HWND hdesk = GetDesktopWindow();
hwnd = CreateWindow(app_name, app_name, WS_POPUP,
user_config.pos_x, user_config.pos_y, user_config.width,
user_config.height, hdesk, NULL, instance, NULL);
if(!hwnd){
error("from:CreateWindow");
}
HWND hprogman = FindWindow("Progman","Program Manager");
if (hprogman == NULL){
hprogman = FindWindow("#32769","");
}
SetParent(hwnd, hprogman);
SetWindowLong(hwnd, GWL_STYLE, (GetWindowLong(hwnd, GWL_STYLE) | WS_CHILD));
ShowWindow (hwnd, cmd_show);
UpdateWindow(hwnd);
while(GetMessage (&window_msg, NULL, 0, 0)){
TranslateMessage(&window_msg);
DispatchMessage(&window_msg);
}
return window_msg.wParam;
}
LRESULT CALLBACK window_process (HWND hwnd, UINT message, WPARAM
wParam, LPARAM lParam){
HDC hdc;
PAINTSTRUCT paint_class;
static int selected = 0;
char * dir = "H:\\Documents and Settings\\Gargantua\\Desktop\\*";
int files = get_file_count(dir);
if(message == WM_CREATE){
hdc = GetDC(hwnd);
GetTextMetrics(hdc, &tm);
ReleaseDC(hwnd, hdc);
}
else if(message == WM_PAINT){
hdc = BeginPaint(hwnd, &paint_class);
SetTextColor(hdc, RGB(0, 255, 0));
SetBkMode(hdc, TRANSPARENT);
WIN32_FIND_DATA * pfiles_WFD = getWFDs(dir);
int y = tm.tmHeight + tm.tmExternalLeading ;
int counter = 0;
while(counter != files){
if(counter == selected){
SetTextColor(hdc, RGB(255, 255, 255));
TextOut(hdc, 1, y, pfiles_WFD[counter]->cFileName,
strlen(pfiles_WFD[counter]->cFileName));
SetTextColor(hdc, RGB(0, 255, 0));
}
else{
TextOut(hdc, 1, y, pfiles_WFD[counter]->cFileName,
strlen(pfiles_WFD[counter]->cFileName));
}
y += tm.tmHeight + tm.tmExternalLeading;
counter++;
}
SetBkMode(hdc, TRANSPARENT);
EndPaint (hwnd, &paint_class);
}
else if(message == WM_KEYDOWN){
WIN32_FIND_DATA * pfiles_WFD = getWFDs(dir);
hdc = GetDC(hwnd);
if(wParam == VK_UP && selected != 0){
selected--;
}
else if(wParam == VK_DOWN && selected != files){
selected++;
}
SetTextColor(hdc, RGB(0, 255, 0));
SetBkMode(hdc, TRANSPARENT);
int counter = 0;
int y = tm.tmHeight + tm.tmExternalLeading ;
while(counter != files){
if(counter == selected){
SetTextColor(hdc, RGB(255, 255, 255));
TextOut(hdc, 1, y, pfiles_WFD[counter]->cFileName,
strlen(pfiles_WFD[counter]->cFileName));
SetTextColor(hdc, RGB(0, 255, 0));
}
else{
TextOut(hdc, 1, y, pfiles_WFD[counter]->cFileName,
strlen(pfiles_WFD[counter]->cFileName));
}
y += tm.tmHeight + tm.tmExternalLeading;
counter++;
}
ReleaseDC(hwnd, hdc);
}
else if(message == WM_DESTROY){
PostQuitMessage(0);
return 0;
}
else if(message == WM_CLOSE){
DestroyWindow(hwnd);
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
void error(char * error){
char message[530];
memset(message, 0, 530);
if(!strncmp(error, "from:", 5)){
error += 5;
char formulated[513];
memset(formulated, 0, 513);
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, GetLastError(), 0,
formulated, 512, NULL);
sprintf(message, "%s: %s", error, formulated);
}
else{
sprintf(message, "%s", error);
}
MessageBox (NULL, message, app_name, MB_ICONERROR);
exit(1);
}
void notify(char * message){
MessageBox (NULL, message, app_name, MB_ICONINFORMATION);
}
int get_file_count(char * dir){
WIN32_FIND_DATA file;
int files = 0;
HANDLE fh = FindFirstFile(dir,&file);
if(fh == INVALID_HANDLE_VALUE){
error("from:FindFirstFile");
}
while(FindNextFile(fh, &file)){
files++;
}
}
WIN32_FILE_DATA * getWFDs(char * dir){
int files = get_file_count(dir);
WIN32_FILE_DATA * files_WFD = calloc(files, sizeof(WIN32_FILE_DATA));
HANDLE fh = FindFirstFile(dir, files_WFD[0]);
int counter = 0;
while(FindNextFile(fh, &files_WFD[counter])){
counter++;
}
return * pfiles_WFD;
}
void notifyd(int d){
char message[20];
sprintf(message, "%d", d);
MessageBox (NULL, message, app_name, MB_ICONINFORMATION);
}
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