mirror of
https://github.com/reactos/reactos.git
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basic implementation of zoomin functionality
svn path=/trunk/; revision=18355
This commit is contained in:
Martin Fuchs
parent
aeb7ba332c
commit
644b190f61
5 changed files with 120 additions and 73 deletions
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@ -1,27 +1,29 @@
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/*
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* ReactOS zoomin
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* ReactOS zoomin
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*
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* framewnd.c
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* framewnd.c
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*
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* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
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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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*
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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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* 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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* 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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* 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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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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#include <windows.h>
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#include <windowsx.h>
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#include <tchar.h>
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#include "main.h"
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@ -29,9 +31,13 @@
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////////////////////////////////////////////////////////////////////////////////
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// Global and Local Variables:
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// Global Variables:
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//
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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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////////////////////////////////////////////////////////////////////////////////
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// Local module support methods
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@ -40,61 +46,117 @@
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////////////////////////////////////////////////////////////////////////////////
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//
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// FUNCTION: _CmdWndProc(HWND, unsigned, WORD, LONG)
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// FUNCTION: _CmdWndProc(HWND, unsigned, WORD, LONG)
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//
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// PURPOSE: Processes WM_COMMAND messages for the main frame window.
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// PURPOSE: Processes WM_COMMAND messages for the main frame window.
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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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// 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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// 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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return TRUE;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// FUNCTION: FrameWndProc(HWND, unsigned, WORD, LONG)
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//
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// PURPOSE: Processes messages for the main frame window.
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//
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// WM_COMMAND - process the application menu
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// WM_DESTROY - post a quit message and return
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// FUNCTION: FrameWndProc(HWND, unsigned, WORD, LONG)
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//
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// PURPOSE: Processes messages for the main window.
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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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switch (message) {
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case WM_CREATE:
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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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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_SIZE:
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break;
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case WM_TIMER:
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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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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break;
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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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}
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return 0;
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}
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@ -34,7 +34,6 @@
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// Global Variables:
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//
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HINSTANCE hInst;
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HWND hFrameWnd;
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HMENU hMenuFrame;
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@ -44,15 +43,9 @@ TCHAR szFrameClass[MAX_LOADSTRING];
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// FUNCTION: InitInstance(HANDLE, int)
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//
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// PURPOSE: Saves instance handle and creates main window
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//
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// COMMENTS:
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//
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// In this function, we save the instance handle in a global variable and
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// create and display the main program window.
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// PURPOSE: creates main window
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//
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BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
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@ -66,7 +59,7 @@ BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
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hInstance,
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LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ZOOMIN)),
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LoadCursor(0, IDC_ARROW),
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0/*hbrBackground*/,
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0,//(HBRUSH)(COLOR_BTNFACE+1),
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0/*lpszMenuName*/,
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szFrameClass,
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(HICON)LoadImage(hInstance, MAKEINTRESOURCE(IDI_ZOOMIN), IMAGE_ICON,
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@ -78,7 +71,7 @@ BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
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hFrameWnd = CreateWindowEx(0, (LPCTSTR)(int)hFrameWndClass, szTitle,
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WS_OVERLAPPEDWINDOW | WS_EX_CLIENTEDGE,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT, 250, 250,
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NULL, hMenuFrame, hInstance, NULL/*lpParam*/);
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if (!hFrameWnd) {
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LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
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LoadString(hInstance, IDC_ZOOMIN, szFrameClass, MAX_LOADSTRING);
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// Store instance handle in our global variable
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hInst = hInstance;
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// Perform application initialization:
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if (!InitInstance(hInstance, nCmdShow)) {
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return FALSE;
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}
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hAccel = LoadAccelerators(hInstance, (LPCTSTR)IDC_ZOOMIN);
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// Main message loop:
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@ -129,4 +120,3 @@ int APIENTRY WinMain(HINSTANCE hInstance,
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ExitInstance();
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return msg.wParam;
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}
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@ -31,13 +31,11 @@ extern "C" {
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#include "resource.h"
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#define MAX_LOADSTRING 100
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#define MAX_NAME_LEN 500
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////////////////////////////////////////////////////////////////////////////////
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// Global Variables:
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//
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extern HINSTANCE hInst;
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extern HWND hFrameWnd;
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extern HMENU hMenuFrame;
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Binary file not shown.
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Before Width: | Height: | Size: 318 B |
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@ -3,7 +3,7 @@
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#include <windows.h>
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#include "resource.h"
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#define REACTOS_STR_FILE_DESCRIPTION "ReactOS Zoomin by Robert Dickenson\0"
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#define REACTOS_STR_FILE_DESCRIPTION "ReactOS Zoomin Utility\0"
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#define REACTOS_STR_INTERNAL_NAME "zoomin\0"
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#define REACTOS_STR_ORIGINAL_FILENAME "zoomin.exe\0"
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#include <reactos/version.rc>
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// Icon with lowest ID value placed first to ensure application icon
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// remains consistent on all systems.
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IDI_ZOOMIN ICON DISCARDABLE "res/zoomin.ico"
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IDI_SMALL ICON DISCARDABLE "res/small.ico"
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/////////////////////////////////////////////////////////////////////////////
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//
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@ -93,5 +92,3 @@ BEGIN
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IDS_APP_TITLE "ReactOS Zoomin"
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IDC_ZOOMIN "ZOOMIN"
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END
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