source: Main/trunk/Server/gui.c@ 244

/* $Id: gui.c 244 2024-10-03 20:04:15Z nishi $ */

#include "../config.h"

#include "gui.h"

#include <windows.h>
#include <commctrl.h>

HINSTANCE hInst;
HBRUSH pbtewi_brush;
HWND logarea;
HWND button_start;
HWND button_stop;
HWND button_about;
HWND status;
BOOL tewi_alive;
BOOL was_starting;
BOOL exiting;

#define WINWIDTH(rc) (rc.right - rc.left)
#define WINHEIGHT(rc) (rc.bottom - rc.top)

#define DIALOG_X(n) (HIWORD(GetDialogBaseUnits()) * n)
#define DIALOG_Y(n) (LOWORD(GetDialogBaseUnits()) * n)

void ShowBitmapSize(HWND hWnd, HDC hdc, const char* name, int x, int y, int w, int h){
        HBITMAP hBitmap = LoadBitmap(hInst, name);
        BITMAP bmp;
        HDC hmdc;
        GetObject(hBitmap, sizeof(bmp), &bmp);
        hmdc = CreateCompatibleDC(hdc);
        SelectObject(hmdc, hBitmap);
        if(w == 0 && h == 0){
                StretchBlt(hdc, x, y, bmp.bmWidth, bmp.bmHeight, hmdc, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
        }else{
                StretchBlt(hdc, x, y, w, h, hmdc, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
        }
        DeleteDC(hmdc);
        DeleteObject(hBitmap);
}

void ShowBitmap(HWND hWnd, HDC hdc, const char* name, int x, int y){
        ShowBitmapSize(hWnd, hdc, name, x, y, 0, 0);
}

LRESULT CALLBACK VersionDialog(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp){
        if(msg == WM_COMMAND){
                if(LOWORD(wp) == IDOK) EndDialog(hWnd, IDOK);
        }else if(msg == WM_PAINT){
                HDC hdc;
                PAINTSTRUCT ps;
                RECT size;

                size.left = size.top = 5;
                size.right = size.bottom = 32 + 5;
                MapDialogRect(hWnd, &size);

                hdc = BeginPaint(hWnd, &ps);
                ShowBitmapSize(hWnd, hdc, "TEWILOGO", size.left, size.top, WINWIDTH(size), WINWIDTH(size));
                EndPaint(hWnd, &ps);
        }else{
                return FALSE;
        }
        return TRUE;
}

void StartTewi(void){
        was_starting = TRUE;
}

void StopTewi(void){
        was_starting = TRUE;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp){
        if(msg == WM_COMMAND){
                int trig = LOWORD(wp);
                int ev = HIWORD(wp);
                if(trig == GUI_BUTTON_ABOUT){
                        if(ev == BN_CLICKED){
                                DialogBox(hInst, "VERSIONDLG", hWnd, VersionDialog);
                        }
                }else if(trig == GUI_BUTTON_START){
                        if(ev == BN_CLICKED){
                                SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Starting Tewi HTTPd");
                                StartTewi();
                        }
                }else if(trig == GUI_BUTTON_STOP){
                        if(ev == BN_CLICKED){
                                SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Stopping Tewi HTTPd");
                                StopTewi();
                        }
                }else if(trig == GUI_BUTTON_EXIT){
                        if(ev == BN_CLICKED){
                                if(tewi_alive){
                                        SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Stopping Tewi HTTPd");
                                        StopTewi();
                                        exiting = TRUE;
                                }else{
                                        SendMessage(hWnd, WM_CLOSE, 0, 0);
                                }
                        }
                }else if(trig == GUI_LOG){
                }
        }else if(msg == WM_CLOSE){
                DestroyWindow(hWnd);
        }else if(msg == WM_DESTROY){
                DeleteObject(pbtewi_brush);
                PostQuitMessage(0);
        }else if(msg == WM_CREATE){
                RECT rc, src;
                GetClientRect(hWnd, &rc);

                InitCommonControls();

                status = CreateStatusWindow(WS_CHILD | WS_VISIBLE | CCS_BOTTOM, NULL, hWnd, GUI_STATUS);
                SendMessage(status, SB_SIMPLE, 0, 0);
                SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Welcome to Tewi HTTPd");
                SendMessage(status, SB_GETRECT, 0, (LPARAM)&src);

                pbtewi_brush = CreateSolidBrush(RGB(0xf7, 0xc9, 0xf3));
                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);
                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);
                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);
                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);
                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);
                SetTimer(hWnd, TIMER_WATCH_TEWI, 100, NULL);
        }else if(msg == WM_TIMER){
                if(wp == TIMER_WATCH_TEWI){
                        if(tewi_alive){
                                if(was_starting){
                                        was_starting = FALSE;
                                        SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Started Tewi HTTPd");
                                }
                                EnableWindow(button_start, FALSE);
                                EnableWindow(button_stop, TRUE);
                        }else{
                                if(was_starting){
                                        was_starting = FALSE;
                                        SendMessage(status, SB_SETTEXT, 0, (LPARAM)"Stopped Tewi HTTPd");
                                }
                                EnableWindow(button_start, TRUE);
                                EnableWindow(button_stop, FALSE);
                                if(exiting){
                                        KillTimer(hWnd, TIMER_WATCH_TEWI);
                                        SendMessage(hWnd, WM_CLOSE, 0, 0);
                                }
                        }
                }
        }else if(msg == WM_PAINT){
                HDC hdc;
                PAINTSTRUCT ps;
                RECT rc;
                RECT fill;

                GetClientRect(hWnd, &rc);
                hdc = BeginPaint(hWnd, &ps);
                SetRect(&fill, 0, 0, WINWIDTH(rc), 40);
                FillRect(hdc, &fill, pbtewi_brush);
                ShowBitmap(hWnd, hdc, "PBTEWI", 0, 0);
                EndPaint(hWnd, &ps);
        }else{
                return DefWindowProc(hWnd, msg, wp, lp);
        }
        return 0;
}

BOOL InitApp(void){
        WNDCLASS wc;
        wc.style = CS_HREDRAW | CS_VREDRAW;
        wc.lpfnWndProc = WndProc;
        wc.cbClsExtra = 0;
        wc.cbWndExtra = 0;
        wc.hInstance = hInst;
        wc.hIcon = LoadIcon(hInst, "TEWI");
        wc.hCursor = LoadCursor(NULL, IDC_ARROW);
        wc.hbrBackground = GetSysColorBrush(COLOR_MENU);
        wc.lpszMenuName = NULL;
        wc.lpszClassName = "tewihttpd";
        return RegisterClass(&wc);
}

BOOL InitWindow(int nCmdShow){
        HWND hWnd;
        RECT deskrc, rc;
        HWND hDeskWnd = GetDesktopWindow();
        GetWindowRect(hDeskWnd, &deskrc);
        hWnd = CreateWindow("tewihttpd", "Tewi HTTPd", (WS_OVERLAPPEDWINDOW ^ WS_THICKFRAME) ^ WS_MAXIMIZEBOX, 0, 0, 600, 200, NULL, 0, hInst, NULL);

        if(!hWnd){
                return FALSE;
        }
        GetWindowRect(hWnd, &rc);
        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);
        ShowWindow(hWnd, nCmdShow);
        UpdateWindow(hWnd);
        return TRUE;
}

int WINAPI WinMain(HINSTANCE hCurInst, HINSTANCE hPrevInst, LPSTR lpsCmdLine, int nCmdShow){
        MSG msg;
        BOOL bret;
        hInst = hCurInst;
        tewi_alive = FALSE;
        was_starting = FALSE;
        exiting = FALSE;
        if(!InitApp()){
                return FALSE;
        }
        if(!InitWindow(nCmdShow)){
                return FALSE;
        }

        while((bret = GetMessage(&msg, NULL, 0, 0)) != 0){
                if(bret == -1) {
                        break;
                } else {
                        TranslateMessage(&msg);
                        DispatchMessage(&msg);
                }
        }
        return (int)msg.wParam;
}