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https://github.com/reactos/reactos.git
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708 lines
20 KiB
C
708 lines
20 KiB
C
/*
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* ReactOS Winhello - Not So Simple Win32 Windowing test
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* What do we test with this app?
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* - Windows and Class creation
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* - A Simple Button
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* - Some font rendering in the Window
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* - Scrollbar support
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* - Hotkeys
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* - Messageboxes
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* ????????
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*/
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#ifndef VK_C
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#define VK_C 'C'
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#endif
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#include <windows.h>
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#include <stdio.h>
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#include <tchar.h>
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HFONT tf;
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LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
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BOOLEAN bolWM_CHAR;
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BOOLEAN bolWM_KEYDOWN;
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int WINAPI
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WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpszCmdLine,
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int nCmdShow)
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{
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WNDCLASS wc;
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MSG msg;
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HWND hWnd;
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bolWM_CHAR = 0;
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bolWM_KEYDOWN = 0;
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wc.lpszClassName = "HelloClass";
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wc.lpfnWndProc = MainWndProc;
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wc.style = CS_VREDRAW | CS_HREDRAW;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
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wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW);
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wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
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wc.lpszMenuName = NULL;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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if (RegisterClass(&wc) == 0)
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{
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fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n",
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GetLastError());
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return(1);
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}
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hWnd = CreateWindow("HelloClass",
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"Hello World",
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WS_OVERLAPPEDWINDOW|WS_HSCROLL|WS_VSCROLL,
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0, //Position; you can use CW_USEDEFAULT, too
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0,
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600, //height
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400,
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NULL,
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NULL,
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hInstance,
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NULL);
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if (hWnd == NULL)
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{
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fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n",
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GetLastError());
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return(1);
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}
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tf = CreateFontA(14, 0, 0, TA_BASELINE, FW_NORMAL, FALSE, FALSE, FALSE,
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ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
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DEFAULT_QUALITY, FIXED_PITCH|FF_DONTCARE, "Timmons");
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ShowWindow(hWnd, nCmdShow);
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while(GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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DeleteObject(tf);
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return msg.wParam;
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}
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#define CTRLC 1 /* Define our HotKeys */
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#define ALTF1 2 /* Define our HotKeys */
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LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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PAINTSTRUCT ps; /* Also used during window drawing */
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HDC hDC; /* A device context used for drawing */
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RECT rc, clr, wir; /* A rectangle used during drawing */
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char spr[100], sir[100];
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static HBRUSH hbrWhite=NULL, hbrGray=NULL, hbrBlack=NULL, hbrRed=NULL, hbrBlue=NULL, hbrYellow=NULL;
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/* The window handle for the "Click Me" button. */
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static HWND hwndButton = 0;
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static int cx, cy; /* Height and width of our button. */
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switch(msg)
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{
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case WM_CHAR:
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{
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hDC = GetDC(hWnd);
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TCHAR text[2];
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text[0] = (TCHAR)wParam;
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text[1] = _T('\0');
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//Write in window
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if( bolWM_KEYDOWN )
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{
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TextOut(hDC, 400, 10, "WM CHAR:", strlen("WM CHAR:"));
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bolWM_KEYDOWN = 0;
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}
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else
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{
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TextOut(hDC, 400, 10, "WM_CHAR:", strlen("WM_CHAR:"));
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bolWM_KEYDOWN = 1;
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}
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TextOut(hDC, 530, 10, text, strlen(text));
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#if 0
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// Make a line depending on the typed key
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Rect.left = 10;
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Rect.top = 75;
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Rect.right = 610;
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Rect.bottom = 85;
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FillRect(hDC, &Rect, hbrWhite);
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Rect.left=308;
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Rect.right=312;
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FillRect(hDC, &Rect, hbrRed);
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Rect.left = 310;
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Rect.top = 75;
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Rect.right = 310 +text[0]*2;
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Rect.bottom = 85;
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HBRUSH hbrCustom = CreateSolidBrush ( RGB(text[0], text[0], text[0]));
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FillRect(hDC, &Rect, hbrCustom);
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DeleteObject ( hbrCustom );
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#endif
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ReleaseDC(hWnd, hDC);
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return 0;
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}
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case WM_KEYDOWN:
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{
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hDC = GetDC(hWnd);
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RECT Rect;
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TCHAR text[2];
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text[0] = (TCHAR)wParam;
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text[1] = _T('\0');
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/* Write in window */
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Rect.left = 400;
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Rect.top = 50;
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Rect.right = 550;
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Rect.bottom = 70;
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FillRect(hDC, &Rect, hbrWhite);
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if( bolWM_CHAR )
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{
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TextOut(hDC, 400, 30, "WM KEYDOWN:", strlen("WM KEYDOWN:"));
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bolWM_CHAR = 0;
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}
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else
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{
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TextOut(hDC, 400, 30, "WM_KEYDOWN:", strlen("WM_KEYDOWN:"));
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bolWM_CHAR = 1;
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}
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TextOut(hDC, 530, 30, text, strlen(text));
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ReleaseDC(hWnd, hDC);
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return 0;
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}
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case WM_KEYUP:
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{
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hDC = GetDC(hWnd);
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RECT Rect;
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TCHAR text[2];
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text[0] = (TCHAR)wParam;
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text[1] = _T('\0');
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/* Write in window */
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Rect.left = 400;
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Rect.top = 10;
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Rect.right = 550;
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Rect.bottom = 70;
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FillRect(hDC, &Rect, hbrWhite);
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TextOut(hDC, 400, 50, "WM_KEYUP:", strlen("WM_KEYUP:"));
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TextOut(hDC, 530, 50, text, strlen(text));
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ReleaseDC(hWnd, hDC);
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return 0;
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}
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case WM_LBUTTONDOWN:
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{
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ULONG x, y;
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RECT Rect;
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hDC = GetDC(hWnd);
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x = LOWORD(lParam);
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y = HIWORD(lParam);
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Rect.left = x - 5;
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Rect.top = y - 5;
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Rect.right = x + 5;
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Rect.bottom = y + 5;
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FillRect(hDC, &Rect, hbrRed);
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Rect.left = x - 3;
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Rect.top = y - 3;
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Rect.right = x + 3;
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Rect.bottom = y + 3;
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FillRect(hDC, &Rect, hbrBlack);
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ReleaseDC(hWnd, hDC);
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break;
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}
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case WM_LBUTTONUP:
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{
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ULONG x, y;
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RECT Rect;
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hDC = GetDC(hWnd);
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x = LOWORD(lParam);
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y = HIWORD(lParam);
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Rect.left = x - 5;
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Rect.top = y - 5;
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Rect.right = x + 5;
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Rect.bottom = y + 5;
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FillRect(hDC, &Rect, hbrRed);
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Rect.left = x - 3;
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Rect.top = y - 3;
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Rect.right = x + 3;
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Rect.bottom = y + 3;
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FillRect(hDC, &Rect, hbrGray);
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ReleaseDC(hWnd, hDC);
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break;
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}
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case WM_MBUTTONDOWN:
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{
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ULONG x, y;
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RECT Rect;
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hDC = GetDC(hWnd);
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x = LOWORD(lParam);
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y = HIWORD(lParam);
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Rect.left = x - 5;
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Rect.top = y - 5;
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Rect.right = x + 5;
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Rect.bottom = y + 5;
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FillRect(hDC, &Rect, hbrBlue);
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Rect.left = x - 3;
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Rect.top = y - 3;
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Rect.right = x + 3;
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Rect.bottom = y + 3;
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FillRect(hDC, &Rect, hbrBlack);
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ReleaseDC(hWnd, hDC);
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break;
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}
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case WM_MBUTTONUP:
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{
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ULONG x, y;
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RECT Rect;
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hDC = GetDC(hWnd);
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x = LOWORD(lParam);
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y = HIWORD(lParam);
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Rect.left = x - 5;
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Rect.top = y - 5;
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Rect.right = x + 5;
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Rect.bottom = y + 5;
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FillRect(hDC, &Rect, hbrBlue);
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Rect.left = x - 3;
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Rect.top = y - 3;
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Rect.right = x + 3;
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Rect.bottom = y + 3;
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FillRect(hDC, &Rect, hbrGray);
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ReleaseDC(hWnd, hDC);
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break;
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}
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case WM_RBUTTONDOWN:
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{
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ULONG x, y;
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RECT Rect;
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hDC = GetDC(hWnd);
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x = LOWORD(lParam);
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y = HIWORD(lParam);
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Rect.left = x - 5;
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Rect.top = y - 5;
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Rect.right = x + 5;
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Rect.bottom = y + 5;
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FillRect(hDC, &Rect, hbrYellow);
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Rect.left = x - 3;
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Rect.top = y - 3;
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Rect.right = x + 3;
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Rect.bottom = y + 3;
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FillRect(hDC, &Rect, hbrBlack);
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ReleaseDC(hWnd, hDC);
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break;
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}
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case WM_RBUTTONUP:
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{
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ULONG x, y;
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RECT Rect;
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hDC = GetDC(hWnd);
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x = LOWORD(lParam);
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y = HIWORD(lParam);
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Rect.left = x - 5;
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Rect.top = y - 5;
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Rect.right = x + 5;
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Rect.bottom = y + 5;
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FillRect(hDC, &Rect, hbrYellow);
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Rect.left = x - 3;
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Rect.top = y - 3;
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Rect.right = x + 3;
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Rect.bottom = y + 3;
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FillRect(hDC, &Rect, hbrGray);
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ReleaseDC(hWnd, hDC);
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break;
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}
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case WM_MOUSEMOVE:
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{
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int fwKeys;
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int x;
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int y;
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RECT Rect;
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int temp;
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TCHAR text[256];
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hDC = GetDC(hWnd);
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fwKeys = wParam; // key flags
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x = LOWORD(lParam); // horizontal position of cursor
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y = HIWORD(lParam); // vertical position of cursor
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Rect.left = 10;
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Rect.top = 100;
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Rect.right = 160;
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Rect.bottom = 300;
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FillRect(hDC, &Rect, hbrWhite);
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temp = _sntprintf ( text, sizeof(text)/sizeof(*text), _T("x: %d"), x );
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TextOut(hDC,10,100,text,strlen(text));
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temp = _sntprintf ( text, sizeof(text)/sizeof(*text), _T("y: %d"), y );
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TextOut(hDC,10,120,text,strlen(text));
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Rect.left = x - 2;
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Rect.top = y - 2;
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Rect.right = x + 2;
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Rect.bottom = y + 2;
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switch ( fwKeys )
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{
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case MK_CONTROL:
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TextOut(hDC,10,140,"Control",strlen("Control"));
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break;
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case MK_SHIFT:
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TextOut(hDC,10,160,"Shift",strlen("Shift"));
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break;
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case MK_LBUTTON:
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TextOut(hDC,10,180,"Left",strlen("Left"));
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FillRect(hDC, &Rect, hbrRed);
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break;
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case MK_MBUTTON:
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TextOut(hDC,10,200,"Middle",strlen("Middle"));
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FillRect(hDC, &Rect, hbrBlue);
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break;
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case MK_RBUTTON:
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TextOut(hDC,10,220,"Right",strlen("Right"));
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FillRect(hDC, &Rect, hbrYellow);
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break;
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}
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ReleaseDC(hWnd, hDC);
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break;
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}
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case WM_HSCROLL:
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{
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int nPos;
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int temp;
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RECT Rect;
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int nScrollCode;
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HWND hwndScrollBar;
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TCHAR text[256];
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SCROLLINFO Scrollparameter;
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nScrollCode = (int) LOWORD(wParam); // scroll bar value
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nPos = (short int) HIWORD(wParam); // scroll box position
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hwndScrollBar = (HWND) lParam; // handle to scroll bar
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hDC = GetDC(hWnd);
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Scrollparameter.cbSize = sizeof(Scrollparameter);
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Scrollparameter.fMask = SIF_ALL;
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GetScrollInfo ( hWnd, SB_HORZ, &Scrollparameter );
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Rect.left = 200;
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Rect.top = 100;
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Rect.right = 350;
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Rect.bottom = 300;
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FillRect(hDC, &Rect, hbrWhite);
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switch ( nScrollCode )
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{
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case SB_ENDSCROLL: //Ends scroll.
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TextOut(hDC,200,120,"SB_ENDSCROLL ",16);
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Scrollparameter.nPos = Scrollparameter.nPos;
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break;
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case SB_LEFT: //Scrolls to the upper left.
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TextOut(hDC,200,140,"SB_LEFT ",16);
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Scrollparameter.nPos = Scrollparameter.nMin;
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break;
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case SB_RIGHT: //Scrolls to the lower right.
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TextOut(hDC,200,160,"SB_RIGHT ",16);
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Scrollparameter.nPos = Scrollparameter.nMax;
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break;
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case SB_LINELEFT: //Scrolls left by one unit.
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TextOut(hDC,200,180,"SB_LINELEFT ",16);
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Scrollparameter.nPos--;
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break;
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case SB_LINERIGHT: //Scrolls right by one unit.
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TextOut(hDC,200,200,"SB_LINERIGHT ",16);
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Scrollparameter.nPos++;
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break;
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case SB_PAGELEFT: //Scrolls left by the width of the window.
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TextOut(hDC,200,220,"SB_PAGELEFT ",16);
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Scrollparameter.nPos -= Scrollparameter.nPage;
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break;
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case SB_PAGERIGHT: //Scrolls right by the width of the window.
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TextOut(hDC,200,240,"PAGERIGHT ",16);
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Scrollparameter.nPos += Scrollparameter.nPage;
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break;
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case SB_THUMBPOSITION: //The user has dragged the scroll box (thumb) and released the mouse button. The nPos parameter indicates the position of the scroll box at the end of the drag operation.
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TextOut(hDC,200,260,"SB_THUMBPOSITION",16);
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Scrollparameter.nPos = Scrollparameter.nTrackPos;
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break;
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case SB_THUMBTRACK: //
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TextOut(hDC,200,280,"SB_THUMBTRACK ",16);
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Scrollparameter.nPos = Scrollparameter.nTrackPos;
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break;
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}
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SetScrollInfo(
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hWnd, // handle to window with scroll bar
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SB_HORZ, // scroll bar flag
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&Scrollparameter, // pointer to structure with scroll parameters
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1 // redraw flag
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);
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temp = _sntprintf ( text, sizeof(text)/sizeof(*text), _T("Horizontal: %d"), Scrollparameter.nPos );
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TextOut(hDC,200,100,text,strlen(text));
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ReleaseDC(hWnd, hDC);
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return 0;
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}
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case WM_VSCROLL:
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{
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int nPos;
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int temp;
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RECT Rect;
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int nScrollCode;
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HWND hwndScrollBar;
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TCHAR text[256];
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SCROLLINFO Scrollparameter;
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nScrollCode = (int) LOWORD(wParam); // scroll bar value
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nPos = (short int) HIWORD(wParam); // scroll box position
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hwndScrollBar = (HWND) lParam; // handle to scroll bar
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hDC = GetDC(hWnd);
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Scrollparameter.cbSize = sizeof(Scrollparameter);
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Scrollparameter.fMask = SIF_ALL;
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GetScrollInfo ( hWnd, SB_VERT, &Scrollparameter );
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Rect.left = 400;
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Rect.top = 100;
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Rect.right = 550;
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Rect.bottom = 300;
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FillRect(hDC, &Rect, hbrWhite);
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switch ( nScrollCode )
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{
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case SB_ENDSCROLL: //Ends scroll.
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TextOut(hDC,400,120,"SB_ENDSCROLL ",16);
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Scrollparameter.nPos = Scrollparameter.nPos;
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break;
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case SB_LEFT: //Scrolls to the upper left.
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TextOut(hDC,400,140,"SB_LEFT ",16);
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Scrollparameter.nPos = Scrollparameter.nMin;
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break;
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case SB_RIGHT: //Scrolls to the lower right.
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TextOut(hDC,400,160,"SB_RIGHT ",16);
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Scrollparameter.nPos = Scrollparameter.nMax;
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break;
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case SB_LINELEFT: //Scrolls left by one unit.
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TextOut(hDC,400,180,"SB_LINELEFT ",16);
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Scrollparameter.nPos--;
|
|
break;
|
|
case SB_LINERIGHT: //Scrolls right by one unit.
|
|
TextOut(hDC,400,200,"SB_LINERIGHT ",16);
|
|
Scrollparameter.nPos++;
|
|
break;
|
|
case SB_PAGELEFT: //Scrolls left by the width of the window.
|
|
TextOut(hDC,400,220,"SB_PAGELEFT ",16);
|
|
Scrollparameter.nPos -= Scrollparameter.nPage;
|
|
break;
|
|
case SB_PAGERIGHT: //Scrolls right by the width of the window.
|
|
TextOut(hDC,400,240,"PAGERIGHT ",16);
|
|
Scrollparameter.nPos += Scrollparameter.nPage;
|
|
break;
|
|
case SB_THUMBPOSITION: //The user has dragged the scroll box (thumb) and released the mouse button. The nPos parameter indicates the position of the scroll box at the end of the drag operation.
|
|
TextOut(hDC,400,260,"SB_THUMBPOSITION",16);
|
|
Scrollparameter.nPos = Scrollparameter.nTrackPos;
|
|
break;
|
|
case SB_THUMBTRACK: //
|
|
TextOut(hDC,400,280,"SB_THUMBTRACK ",16);
|
|
Scrollparameter.nPos = Scrollparameter.nTrackPos;
|
|
break;
|
|
}
|
|
|
|
SetScrollInfo(
|
|
hWnd, // handle to window with scroll bar
|
|
SB_VERT, // scroll bar flag
|
|
&Scrollparameter, // pointer to structure with scroll parameters
|
|
1 // redraw flag
|
|
);
|
|
temp = _sntprintf ( text, sizeof(text)/sizeof(*text), _T("Vertical: %d"), Scrollparameter.nPos );
|
|
TextOut(hDC,400,100,text,strlen(text));
|
|
ReleaseDC(hWnd, hDC);
|
|
return 0;
|
|
}
|
|
|
|
case WM_HOTKEY:
|
|
switch(wParam)
|
|
{
|
|
case CTRLC:
|
|
MessageBox(hWnd, "You just pressed Ctrl+C", "Hotkey", MB_OK | MB_ICONINFORMATION);
|
|
break;
|
|
case ALTF1:
|
|
MessageBox(hWnd, "You just pressed Ctrl+Alt+F1", "Hotkey", MB_OK | MB_ICONINFORMATION);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
UnregisterHotKey(hWnd, CTRLC);
|
|
UnregisterHotKey(hWnd, ALTF1);
|
|
PostQuitMessage(0);
|
|
DeleteObject ( hbrWhite );
|
|
DeleteObject ( hbrGray );
|
|
DeleteObject ( hbrBlack );
|
|
DeleteObject ( hbrRed );
|
|
DeleteObject ( hbrBlue );
|
|
DeleteObject ( hbrYellow );
|
|
break;
|
|
|
|
case WM_CREATE:
|
|
{
|
|
/* Register a Ctrl+Alt+C hotkey*/
|
|
RegisterHotKey(hWnd, CTRLC, MOD_CONTROL, VK_C);
|
|
RegisterHotKey(hWnd, ALTF1, MOD_CONTROL | MOD_ALT, VK_F1);
|
|
|
|
hbrWhite = CreateSolidBrush ( RGB(0xFF, 0xFF, 0xFF));
|
|
hbrGray = CreateSolidBrush ( RGB(0xAF, 0xAF, 0xAF));
|
|
hbrBlack = CreateSolidBrush ( RGB(0x00, 0x00, 0x00));
|
|
hbrRed = CreateSolidBrush ( RGB(0xFF, 0x00, 0x00));
|
|
hbrBlue = CreateSolidBrush ( RGB(0x00, 0x00, 0xFF));
|
|
hbrYellow = CreateSolidBrush ( RGB(0xFF, 0xFF, 0x00));
|
|
|
|
SCROLLINFO si;
|
|
si.cbSize = sizeof(si);
|
|
si.fMask = SIF_ALL;
|
|
si.nMin = 0;
|
|
si.nMax = 100;
|
|
si.nPage = 5;
|
|
si.nPos = 0;
|
|
|
|
SetScrollInfo ( hWnd, SB_HORZ, &si, FALSE );
|
|
SetScrollInfo ( hWnd, SB_VERT, &si, FALSE );
|
|
|
|
|
|
/* The window is being created. Create our button
|
|
* window now. */
|
|
TEXTMETRIC tm;
|
|
|
|
/* First we use the system fixed font size to choose
|
|
* a nice button size. */
|
|
hDC = GetDC (hWnd);
|
|
SelectObject (hDC, GetStockObject (SYSTEM_FIXED_FONT));
|
|
GetTextMetrics (hDC, &tm);
|
|
cx = tm.tmAveCharWidth * 30;
|
|
cy = (tm.tmHeight + tm.tmExternalLeading) * 2;
|
|
ReleaseDC (hWnd, hDC);
|
|
|
|
/* Now create the button */
|
|
hwndButton = CreateWindow (
|
|
"button", /* Builtin button class */
|
|
"Click Here",
|
|
WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
|
|
0, 0, cx, cy,
|
|
hWnd, /* Parent is this window. */
|
|
(HMENU) 1, /* Control ID: 1 */
|
|
((LPCREATESTRUCT) lParam)->hInstance,
|
|
NULL
|
|
);
|
|
|
|
return 0;
|
|
break;
|
|
}
|
|
|
|
case WM_PAINT:
|
|
hDC = BeginPaint(hWnd, &ps);
|
|
TextOut(hDC, 10, 10, "Hello World from ReactOS!",
|
|
strlen("Hello World from ReactOS!"));
|
|
TextOut(hDC, 10, 80, "Press Ctrl+C or Ctrl+Alt+F1 to test Hotkey support.",
|
|
strlen("Press Ctrl+C or Ctrl+Alt+F1 to test Hotkey support."));
|
|
GetClientRect(hWnd, &clr);
|
|
GetWindowRect(hWnd, &wir);
|
|
sprintf(spr, "%lu,%lu,%lu,%lu ", clr.left, clr.top, clr.right, clr.bottom);
|
|
sprintf(sir, "%lu,%lu,%lu,%lu ", wir.left, wir.top, wir.right, wir.bottom);
|
|
TextOut(hDC, 10, 30, spr, 20);
|
|
TextOut(hDC, 10, 50, sir, 20);
|
|
|
|
/* Draw "Hello, World" in the middle of the upper
|
|
* half of the window. */
|
|
rc.bottom = rc.bottom / 2;
|
|
DrawText (hDC, "Hello, World", -1, &rc,
|
|
DT_SINGLELINE | DT_CENTER | DT_VCENTER);
|
|
|
|
EndPaint (hWnd, &ps);
|
|
return 0;
|
|
break;
|
|
|
|
case WM_SIZE:
|
|
/* The window size is changing. If the button exists
|
|
* then place it in the center of the bottom half of
|
|
* the window. */
|
|
if (hwndButton &&
|
|
(wParam == SIZEFULLSCREEN ||
|
|
wParam == SIZENORMAL)
|
|
)
|
|
{
|
|
rc.left = (LOWORD(lParam) - cx) / 2;
|
|
rc.top = HIWORD(lParam) * 3 / 4 - cy / 2;
|
|
MoveWindow (
|
|
hwndButton,
|
|
rc.left, rc.top, cx, cy, TRUE);
|
|
}
|
|
break;
|
|
|
|
case WM_COMMAND:
|
|
/* Check the control ID, notification code and
|
|
* control handle to see if this is a button click
|
|
* message from our child button. */
|
|
if (LOWORD(wParam) == 1 &&
|
|
HIWORD(wParam) == BN_CLICKED &&
|
|
(HWND) lParam == hwndButton)
|
|
{
|
|
/* Our button was clicked. Close the window. */
|
|
DestroyWindow (hWnd);
|
|
}
|
|
return 0;
|
|
break;
|
|
|
|
default:
|
|
return DefWindowProc(hWnd, msg, wParam, lParam);
|
|
}
|
|
return 0;
|
|
}
|