2002-08-29 20:28:13 +00:00
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/*
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2005-10-08 19:29:20 +00:00
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* ReactOS zoomin
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2002-08-29 20:28:13 +00:00
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*
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2005-10-08 19:29:20 +00:00
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* framewnd.c
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2002-08-29 20:28:13 +00:00
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*
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2005-10-08 19:29:20 +00:00
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* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
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* Copyright (C) 2005 Martin Fuchs <martin-fuchs@gmx.net>
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2002-08-29 20:28:13 +00:00
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*
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2005-10-08 19:29:20 +00:00
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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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2002-08-29 20:28:13 +00:00
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*
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2005-10-08 19:29:20 +00:00
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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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2002-08-29 20:28:13 +00:00
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*
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2005-10-08 19:29:20 +00:00
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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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2002-08-29 20:28:13 +00:00
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*/
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2005-10-08 19:29:20 +00:00
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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2002-08-29 20:28:13 +00:00
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#include <windows.h>
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2005-10-08 19:29:20 +00:00
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#include <windowsx.h>
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2002-08-29 20:28:13 +00:00
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#include <tchar.h>
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2005-05-07 21:24:31 +00:00
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2002-08-29 20:28:13 +00:00
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#include "main.h"
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#include "framewnd.h"
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////////////////////////////////////////////////////////////////////////////////
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2005-10-08 19:29:20 +00:00
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// Global Variables:
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2002-08-29 20:28:13 +00:00
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//
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2005-10-08 19:29:20 +00:00
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static int s_factor = 2; // zoom factor
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static POINT s_srcPos = {0, 0}; // zoom factor
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2002-08-29 20:28:13 +00:00
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////////////////////////////////////////////////////////////////////////////////
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// Local module support methods
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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2005-10-08 19:29:20 +00:00
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// FUNCTION: _CmdWndProc(HWND, unsigned, WORD, LONG)
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2002-08-29 20:28:13 +00:00
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//
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2005-10-08 19:29:20 +00:00
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// PURPOSE: Processes WM_COMMAND messages for the main frame window.
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2002-08-29 20:28:13 +00:00
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//
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//
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static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch (LOWORD(wParam)) {
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2005-10-08 19:29:20 +00:00
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// Parse the menu selections:
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case ID_EDIT_EXIT:
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DestroyWindow(hWnd);
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break;
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case ID_EDIT_COPY:
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case ID_EDIT_REFRESH:
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case ID_OPTIONS_REFRESH_RATE:
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case ID_HELP_ABOUT:
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// TODO:
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break;
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default:
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return FALSE;
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}
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2002-08-29 20:28:13 +00:00
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return TRUE;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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2005-10-08 19:29:20 +00:00
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// FUNCTION: FrameWndProc(HWND, unsigned, WORD, LONG)
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2002-08-29 20:28:13 +00:00
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//
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2005-10-08 19:29:20 +00:00
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// PURPOSE: Processes messages for the main window.
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2002-08-29 20:28:13 +00:00
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//
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LRESULT CALLBACK FrameWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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2005-10-08 19:29:20 +00:00
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switch (message) {
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case WM_CREATE:
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SetTimer(hWnd, 0, 200, NULL); // refresh display all 200 ms
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break;
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case WM_COMMAND:
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if (!_CmdWndProc(hWnd, message, wParam, lParam)) {
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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break;
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case WM_PAINT: {
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PAINTSTRUCT ps;
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HDC hdcMem;
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RECT rect;
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SIZE size;
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BeginPaint(hWnd, &ps);
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hdcMem = GetDC(GetDesktopWindow());
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GetClientRect(hWnd, &rect);
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size.cx = rect.right / s_factor;
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size.cy = rect.bottom / s_factor;
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StretchBlt(ps.hdc, 0, 0, size.cx*s_factor, size.cy*s_factor, hdcMem, s_srcPos.x, s_srcPos.y, size.cx, size.cy, SRCCOPY);
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ReleaseDC(GetDesktopWindow(), hdcMem);
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EndPaint(hWnd, &ps);
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break;}
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case WM_TIMER:
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if (GetCapture() == hWnd) {
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RECT rect;
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int width = GetSystemMetrics(SM_CXSCREEN);
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int height = GetSystemMetrics(SM_CYSCREEN);
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GetClientRect(hWnd, &rect);
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GetCursorPos(&s_srcPos);
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s_srcPos.x -= rect.right / s_factor / 2;
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s_srcPos.y -= rect.bottom / s_factor / 2;
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if (s_srcPos.x < 0)
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s_srcPos.x = 0;
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else if (s_srcPos.x+rect.right/s_factor > width)
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s_srcPos.x = width - rect.right/s_factor;
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if (s_srcPos.y < 0)
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s_srcPos.y = 0;
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else if (s_srcPos.y+rect.bottom/s_factor > height)
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s_srcPos.y = height - rect.bottom/s_factor;
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}
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InvalidateRect(hWnd, NULL, FALSE);
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2002-08-29 20:28:13 +00:00
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break;
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2005-10-08 19:29:20 +00:00
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case WM_LBUTTONDOWN:
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SetCapture(hWnd);
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break;
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case WM_LBUTTONUP:
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ReleaseCapture();
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break;
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case WM_DESTROY:
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KillTimer(hWnd, 0);
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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2002-08-29 20:28:13 +00:00
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}
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2005-10-08 19:29:20 +00:00
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2002-08-29 20:28:13 +00:00
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return 0;
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}
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