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244 nishi 1 
/* $Id: gui.c 244 2024-10-03 20:04:15Z nishi $ */
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#include "../config.h"
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#include "gui.h"
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#include <windows.h>
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#include <commctrl.h>
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HINSTANCE hInst;
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HBRUSH pbtewi_brush;
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HWND logarea;
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HWND button_start;
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HWND button_stop;
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HWND button_about;
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HWND status;
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BOOL tewi_alive;
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BOOL was_starting;
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BOOL exiting;
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#define WINWIDTH(rc) (rc.right - rc.left)
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#define WINHEIGHT(rc) (rc.bottom - rc.top)
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#define DIALOG_X(n) (HIWORD(GetDialogBaseUnits()) * n)
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#define DIALOG_Y(n) (LOWORD(GetDialogBaseUnits()) * n)
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void ShowBitmapSize(HWND hWnd, HDC hdc, const char* name, int x, int y, int w, int h){
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	HBITMAP hBitmap = LoadBitmap(hInst, name);
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	BITMAP bmp;
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	HDC hmdc;
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	GetObject(hBitmap, sizeof(bmp), &bmp);
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	hmdc = CreateCompatibleDC(hdc);
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	SelectObject(hmdc, hBitmap);
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	if(w == 0 && h == 0){
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		StretchBlt(hdc, x, y, bmp.bmWidth, bmp.bmHeight, hmdc, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
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	}else{
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		StretchBlt(hdc, x, y, w, h, hmdc, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
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	}
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	DeleteDC(hmdc);
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	DeleteObject(hBitmap);
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}
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void ShowBitmap(HWND hWnd, HDC hdc, const char* name, int x, int y){
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	ShowBitmapSize(hWnd, hdc, name, x, y, 0, 0);
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}
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LRESULT CALLBACK VersionDialog(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp){
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	if(msg == WM_COMMAND){
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		if(LOWORD(wp) == IDOK) EndDialog(hWnd, IDOK);
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	}else if(msg == WM_PAINT){
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		HDC hdc;
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		PAINTSTRUCT ps;
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		RECT size;
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		size.left = size.top = 5;
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		size.right = size.bottom = 32 + 5;
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		MapDialogRect(hWnd, &size);
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		hdc = BeginPaint(hWnd, &ps);
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		ShowBitmapSize(hWnd, hdc, "TEWILOGO", size.left, size.top, WINWIDTH(size), WINWIDTH(size));
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		EndPaint(hWnd, &ps);
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	}else{
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		return FALSE;
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	}
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	return TRUE;
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}
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void StartTewi(void){
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	was_starting = TRUE;
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}
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void StopTewi(void){
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	was_starting = TRUE;
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}
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LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp){
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	if(msg == WM_COMMAND){
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		int trig = LOWORD(wp);
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		int ev = HIWORD(wp);
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		if(trig == GUI_BUTTON_ABOUT){
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			if(ev == BN_CLICKED){
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				DialogBox(hInst, "VERSIONDLG", hWnd, VersionDialog);
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			}
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		}else if(trig == GUI_BUTTON_START){
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			if(ev == BN_CLICKED){
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				SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Starting Tewi HTTPd");
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				StartTewi();
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			}
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		}else if(trig == GUI_BUTTON_STOP){
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			if(ev == BN_CLICKED){
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				SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Stopping Tewi HTTPd");
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				StopTewi();
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			}
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		}else if(trig == GUI_BUTTON_EXIT){
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			if(ev == BN_CLICKED){
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				if(tewi_alive){
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					SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Stopping Tewi HTTPd");
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					StopTewi();
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					exiting = TRUE;
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				}else{
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					SendMessage(hWnd, WM_CLOSE, 0, 0);
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				}
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			}
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		}else if(trig == GUI_LOG){
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		}
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	}else if(msg == WM_CLOSE){
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		DestroyWindow(hWnd);
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	}else if(msg == WM_DESTROY){
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		DeleteObject(pbtewi_brush);
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		PostQuitMessage(0);
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	}else if(msg == WM_CREATE){
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		RECT rc, src;
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		GetClientRect(hWnd, &rc);
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		InitCommonControls();
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		status = CreateStatusWindow(WS_CHILD | WS_VISIBLE | CCS_BOTTOM, NULL, hWnd, GUI_STATUS);
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		SendMessage(status, SB_SIMPLE, 0, 0);
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		SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Welcome to Tewi HTTPd");
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		SendMessage(status, SB_GETRECT, 0, (LPARAM)&src);
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		pbtewi_brush = CreateSolidBrush(RGB(0xf7, 0xc9, 0xf3));
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		button_start = CreateWindow("BUTTON", "&Start", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, WINWIDTH(rc) - 100, 20 * 0, 100, 20, hWnd, (HMENU)GUI_BUTTON_START, hInst, NULL);
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		button_stop = CreateWindow("BUTTON", "S&top", WS_CHILD | WS_VISIBLE | WS_DISABLED | BS_PUSHBUTTON, WINWIDTH(rc) - 100, 20 * 1, 100, 20, hWnd, (HMENU)GUI_BUTTON_STOP, hInst, NULL);
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		button_about = CreateWindow("BUTTON", "&About", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, WINWIDTH(rc) - 100, 20 * 2, 100, 20, hWnd, (HMENU)GUI_BUTTON_ABOUT, hInst, NULL);
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		button_about = CreateWindow("BUTTON", "E&xit", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, WINWIDTH(rc) - 100, WINHEIGHT(rc) - WINHEIGHT(src) - 20, 100, 20, hWnd, (HMENU)GUI_BUTTON_EXIT, hInst, NULL);
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		logarea = CreateWindow("LISTBOX", NULL, WS_CHILD | WS_VISIBLE | WS_VSCROLL, 0, 40, WINWIDTH(rc) - 100, WINHEIGHT(rc) - 40 - WINHEIGHT(src), hWnd, (HMENU)GUI_LOG, hInst, NULL);
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		SetTimer(hWnd, TIMER_WATCH_TEWI, 100, NULL);
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	}else if(msg == WM_TIMER){
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		if(wp == TIMER_WATCH_TEWI){
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			if(tewi_alive){
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				if(was_starting){
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					was_starting = FALSE;
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					SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Started Tewi HTTPd");
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				}
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				EnableWindow(button_start, FALSE);
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				EnableWindow(button_stop, TRUE);
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			}else{
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				if(was_starting){
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					was_starting = FALSE;
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					SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Stopped Tewi HTTPd");
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				}
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				EnableWindow(button_start, TRUE);
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				EnableWindow(button_stop, FALSE);
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				if(exiting){
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					KillTimer(hWnd, TIMER_WATCH_TEWI);
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					SendMessage(hWnd, WM_CLOSE, 0, 0);
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				}
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			}
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		}
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	}else if(msg == WM_PAINT){
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		HDC hdc;
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		PAINTSTRUCT ps;
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		RECT rc;
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		RECT fill;
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		GetClientRect(hWnd, &rc);
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		hdc = BeginPaint(hWnd, &ps);
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		SetRect(&fill, 0, 0, WINWIDTH(rc), 40);
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		FillRect(hdc, &fill, pbtewi_brush);
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		ShowBitmap(hWnd, hdc, "PBTEWI", 0, 0);
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		EndPaint(hWnd, &ps);
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	}else{
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		return DefWindowProc(hWnd, msg, wp, lp);
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	}
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	return 0;
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}
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BOOL InitApp(void){
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	WNDCLASS wc;
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	wc.style = CS_HREDRAW | CS_VREDRAW;
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	wc.lpfnWndProc = WndProc;
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	wc.cbClsExtra = 0;
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	wc.cbWndExtra = 0;
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	wc.hInstance = hInst;
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	wc.hIcon = LoadIcon(hInst, "TEWI");
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	wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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	wc.hbrBackground = GetSysColorBrush(COLOR_MENU);
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	wc.lpszMenuName = NULL;
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	wc.lpszClassName = "tewihttpd";
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	return RegisterClass(&wc);
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}
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BOOL InitWindow(int nCmdShow){
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	HWND hWnd;
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	RECT deskrc, rc;
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	HWND hDeskWnd = GetDesktopWindow();
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	GetWindowRect(hDeskWnd, &deskrc);
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	hWnd = CreateWindow("tewihttpd", "Tewi HTTPd", (WS_OVERLAPPEDWINDOW ^ WS_THICKFRAME) ^ WS_MAXIMIZEBOX, 0, 0, 600, 200, NULL, 0, hInst, NULL);
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	if(!hWnd){
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		return FALSE;
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	}
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	GetWindowRect(hWnd, &rc);
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	SetWindowPos(hWnd, HWND_TOP, (deskrc.right - (rc.right - rc.left)) / 2, (deskrc.bottom - (rc.bottom - rc.top)) / 2, rc.right - rc.left, rc.bottom - rc.top, SWP_SHOWWINDOW);
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	ShowWindow(hWnd, nCmdShow);
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	UpdateWindow(hWnd);
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	return TRUE;
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}
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int WINAPI WinMain(HINSTANCE hCurInst, HINSTANCE hPrevInst, LPSTR lpsCmdLine, int nCmdShow){
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	MSG msg;
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	BOOL bret;
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	hInst = hCurInst;
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	tewi_alive = FALSE;
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	was_starting = FALSE;
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	exiting = FALSE;
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	if(!InitApp()){
209 
		return FALSE;
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	}
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	if(!InitWindow(nCmdShow)){
212 
		return FALSE;
213 
	}
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215 
	while((bret = GetMessage(&msg, NULL, 0, 0)) != 0){
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		if(bret == -1) {
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			break;
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		} else {
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			TranslateMessage(&msg);
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			DispatchMessage(&msg);
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		}
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	}
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	return (int)msg.wParam;
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}