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d31f977a47
- Add an "Edit" menu now that we have some more menu items belonging to this category svn path=/trunk/; revision=32482
441 lines
15 KiB
C
441 lines
15 KiB
C
/*
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* PROJECT: ReactOS VGA Font Editor
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* LICENSE: GNU General Public License Version 2.0 or any later version
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* FILE: devutils/vgafontedit/fontwnd.c
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* PURPOSE: Implements the MDI child window for a font
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* COPYRIGHT: Copyright 2008 Colin Finck <mail@colinfinck.de>
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*/
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#include "precomp.h"
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static const WCHAR szFontWndClass[] = L"VGAFontEditFontWndClass";
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static BOOL
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InitFont(IN PFONT_WND_INFO Info)
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{
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Info->Font = (PBITMAP_FONT) HeapAlloc( hProcessHeap, 0, sizeof(BITMAP_FONT) );
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if(Info->OpenInfo->bCreateNew)
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{
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ZeroMemory( Info->Font, sizeof(BITMAP_FONT) );
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return TRUE;
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}
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else
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{
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// Load a font
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BOOL bRet = FALSE;
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DWORD dwTemp;
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HANDLE hFile;
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hFile = CreateFileW(Info->OpenInfo->pszFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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if(hFile == INVALID_HANDLE_VALUE)
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{
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LocalizedError( IDS_OPENERROR, GetLastError() );
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return FALSE;
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}
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// Let's first check the file size to determine the file type
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dwTemp = GetFileSize(hFile, NULL);
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switch(dwTemp)
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{
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case 2048:
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// It should be a binary font file
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Info->OpenInfo->bBinaryFileOpened = TRUE;
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if( ReadFile(hFile, Info->Font, sizeof(BITMAP_FONT), &dwTemp, NULL) )
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bRet = TRUE;
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else
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LocalizedError( IDS_READERROR, GetLastError() );
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break;
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case 2052:
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{
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PSF1_HEADER Header;
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// Probably it's a PSFv1 file, check the header to make sure
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if( !ReadFile(hFile, &Header, sizeof(PSF1_HEADER) , &dwTemp, NULL) )
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{
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LocalizedError( IDS_READERROR, GetLastError() );
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break;
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}
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else
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{
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if(Header.uMagic[0] == PSF1_MAGIC0 && Header.uMagic[1] == PSF1_MAGIC1)
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{
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// Yes, it is a PSFv1 file.
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// Check the mode and character size. We only support 8x8 fonts with no special mode.
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if(Header.uCharSize == 8 && Header.uMode == 0)
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{
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// Perfect! The file pointer is already set correctly, so we can just read the font bitmap now.
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if( ReadFile(hFile, Info->Font, sizeof(BITMAP_FONT), &dwTemp, NULL) )
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bRet = TRUE;
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else
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LocalizedError( IDS_READERROR, GetLastError() );
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}
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else
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LocalizedError(IDS_UNSUPPORTEDPSF);
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break;
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}
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// Fall through if the magic numbers aren't there
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}
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}
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default:
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LocalizedError(IDS_UNSUPPORTEDFORMAT);
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}
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CloseHandle(hFile);
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return bRet;
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}
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}
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static LRESULT CALLBACK
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FontWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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PFONT_WND_INFO Info;
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Info = (PFONT_WND_INFO) GetWindowLongW(hwnd, GWLP_USERDATA);
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if(Info || uMsg == WM_CREATE)
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{
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switch(uMsg)
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{
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case WM_CHILDACTIVATE:
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Info->MainWndInfo->CurrentFontWnd = Info;
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SetToolbarFileButtonState(Info->MainWndInfo, TRUE);
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SetPasteButtonState(Info->MainWndInfo);
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break;
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case WM_CREATE:
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Info = (PFONT_WND_INFO)( ( (LPMDICREATESTRUCT) ( (LPCREATESTRUCT)lParam )->lpCreateParams )->lParam );
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Info->hSelf = hwnd;
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SetWindowLongW(hwnd, GWLP_USERDATA, (LONG)Info);
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CreateFontBoxesWindow(Info);
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return 0;
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case WM_USER_APPCLOSE:
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case WM_CLOSE:
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// The user has to close all open edit dialogs first
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if(Info->FirstEditGlyphWnd)
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{
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PWSTR pszMessage;
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AllocAndLoadString(&pszMessage, IDS_CLOSEEDIT);
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MessageBoxW(hwnd, pszMessage, szAppName, MB_OK | MB_ICONEXCLAMATION);
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HeapFree(hProcessHeap, 0, pszMessage);
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return 0;
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}
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// Prompt if the current file has been modified
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if(Info->OpenInfo->bModified)
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{
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INT nMsgBoxResult;
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PWSTR pszPrompt;
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WCHAR szFile[MAX_PATH];
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GetWindowTextW(hwnd, szFile, MAX_PATH);
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LoadAndFormatString(IDS_SAVEPROMPT, &pszPrompt, szFile);
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nMsgBoxResult = MessageBoxW(hwnd, pszPrompt, szAppName, MB_YESNOCANCEL | MB_ICONQUESTION);
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HeapFree(hProcessHeap, 0, pszPrompt);
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switch(nMsgBoxResult)
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{
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case IDYES:
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DoFileSave(Info->MainWndInfo, FALSE);
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break;
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case IDCANCEL:
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// 0 = Stop the process of closing the windows (same value for both WM_CLOSE and WM_USER_APPCLOSE)
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return 0;
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// IDNO is handled automatically
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}
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}
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// If there is another child, it will undo the following actions through its WM_CHILDACTIVATE handler.
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// Otherwise CurrentFontWnd will stay NULL, so the main window knows that no more childs are opened.
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Info->MainWndInfo->CurrentFontWnd = NULL;
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SetToolbarFileButtonState(Info->MainWndInfo, FALSE);
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SetPasteButtonState(Info->MainWndInfo);
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if(uMsg == WM_USER_APPCLOSE)
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{
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// First do the tasks we would do for a normal WM_CLOSE message, then return the value for WM_USER_APPCLOSE
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// Anything other than 0 indicates that the application shall continue closing the windows
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DefMDIChildProcW(hwnd, WM_CLOSE, 0, 0);
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return 1;
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}
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break;
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case WM_DESTROY:
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// Remove the window from the linked list
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if(Info->PrevFontWnd)
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Info->PrevFontWnd->NextFontWnd = Info->NextFontWnd;
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else
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Info->MainWndInfo->FirstFontWnd = Info->NextFontWnd;
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if(Info->NextFontWnd)
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Info->NextFontWnd->PrevFontWnd = Info->PrevFontWnd;
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else
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Info->MainWndInfo->LastFontWnd = Info->PrevFontWnd;
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// Free memory
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if(Info->Font)
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HeapFree(hProcessHeap, 0, Info->Font);
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if(Info->OpenInfo->pszFileName)
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HeapFree(hProcessHeap, 0, Info->OpenInfo->pszFileName);
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HeapFree(hProcessHeap, 0, Info->OpenInfo);
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HeapFree(hProcessHeap, 0, Info);
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SetWindowLongW(hwnd, GWLP_USERDATA, 0);
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return 0;
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case WM_SETFOCUS:
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// Set the keyboard focus to the FontBoxes window every time the Font window gets the focus
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SetFocus(Info->hFontBoxesWnd);
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break;
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case WM_SIZE:
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{
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INT nHeight = HIWORD(lParam);
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INT nWidth = LOWORD(lParam);
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POINT pt;
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RECT WndRect;
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// This ugly workaround is necessary for not setting either the Height or the Width of the window with SetWindowPos
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GetWindowRect(Info->hFontBoxesWnd, &WndRect);
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pt.x = WndRect.left;
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pt.y = WndRect.top;
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ScreenToClient(hwnd, &pt);
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if(nHeight < FONT_BOXES_WND_HEIGHT)
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{
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SCROLLINFO si;
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// Set the vertical scroll bar
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si.cbSize = sizeof(si);
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si.fMask = SIF_RANGE | SIF_PAGE;
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si.nMin = 0;
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si.nMax = FONT_BOXES_WND_HEIGHT;
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si.nPage = nHeight;
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SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
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}
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else
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{
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ShowScrollBar(hwnd, SB_VERT, FALSE);
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// Store the new y coordinate in pt.y as well (needed for the SetWindowPos call for setting a new x coordinate)
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pt.y = nHeight / 2 - FONT_BOXES_WND_HEIGHT / 2;
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SetWindowPos(Info->hFontBoxesWnd,
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NULL,
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pt.x,
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pt.y,
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0,
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0,
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SWP_NOSIZE | SWP_NOZORDER);
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}
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if(nWidth < FONT_BOXES_WND_WIDTH)
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{
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SCROLLINFO si;
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// Set the horizontal scroll bar
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si.cbSize = sizeof(si);
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si.fMask = SIF_RANGE | SIF_PAGE;
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si.nMin = 0;
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si.nMax = FONT_BOXES_WND_WIDTH;
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si.nPage = nWidth;
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SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
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}
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else
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{
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ShowScrollBar(hwnd, SB_HORZ, FALSE);
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SetWindowPos(Info->hFontBoxesWnd,
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NULL,
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nWidth / 2 - FONT_BOXES_WND_WIDTH / 2,
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pt.y,
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0,
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0,
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SWP_NOSIZE | SWP_NOZORDER);
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}
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// We have to call DefMDIChildProcW here as well, otherwise we won't get the Minimize/Maximize/Close buttons for a maximized MDI child.
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break;
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}
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case WM_HSCROLL:
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case WM_VSCROLL:
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{
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INT nBar;
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INT nOrgPos;
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SCROLLINFO si;
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if(uMsg == WM_HSCROLL)
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nBar = SB_HORZ;
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else
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nBar = SB_VERT;
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si.cbSize = sizeof(si);
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si.fMask = SIF_ALL;
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GetScrollInfo(hwnd, nBar, &si);
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nOrgPos = si.nPos;
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switch( LOWORD(wParam) )
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{
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// Constant is the same as SB_LEFT for WM_HSCROLL
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case SB_TOP:
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si.nPos = si.nMin;
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break;
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// Constant is the same as SB_RIGHT for WM_HSCROLL
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case SB_BOTTOM:
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si.nPos = si.nMax;
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break;
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// Constant is the same as SB_LINELEFT for WM_HSCROLL
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case SB_LINEUP:
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si.nPos -= 20;
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break;
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// Constant is the same as SB_LINERIGHT for WM_HSCROLL
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case SB_LINEDOWN:
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si.nPos += 20;
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break;
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// Constant is the same as SB_PAGELEFT for WM_HSCROLL
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case SB_PAGEUP:
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si.nPos -= si.nPage;
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break;
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// Constant is the same as SB_PAGERIGHT for WM_HSCROLL
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case SB_PAGEDOWN:
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si.nPos += si.nPage;
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break;
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case SB_THUMBTRACK:
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si.nPos = si.nTrackPos;
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break;
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}
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si.fMask = SIF_POS;
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SetScrollInfo(hwnd, nBar, &si, TRUE);
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GetScrollInfo(hwnd, nBar, &si);
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if(si.nPos != nOrgPos)
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{
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// This ugly workaround is necessary for not setting the x coordinate
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POINT pt;
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RECT WndRect;
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GetWindowRect(Info->hFontBoxesWnd, &WndRect);
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pt.x = WndRect.left;
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pt.y = WndRect.top;
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ScreenToClient(hwnd, &pt);
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if(uMsg == WM_HSCROLL)
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SetWindowPos(Info->hFontBoxesWnd, NULL, -si.nPos, pt.y, 0, 0, SWP_NOZORDER | SWP_NOSIZE);
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else
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SetWindowPos(Info->hFontBoxesWnd, NULL, pt.x, -si.nPos, 0, 0, SWP_NOZORDER | SWP_NOSIZE);
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}
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return 0;
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}
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}
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}
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return DefMDIChildProcW(hwnd, uMsg, wParam, lParam);
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}
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BOOL
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CreateFontWindow(IN PMAIN_WND_INFO MainWndInfo, IN PFONT_OPEN_INFO OpenInfo)
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{
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HWND hFontWnd;
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PFONT_WND_INFO Info;
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Info = (PFONT_WND_INFO) HeapAlloc( hProcessHeap, HEAP_ZERO_MEMORY, sizeof(FONT_WND_INFO) );
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if(Info)
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{
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Info->MainWndInfo = MainWndInfo;
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Info->OpenInfo = OpenInfo;
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if( InitFont(Info) )
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{
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PWSTR pszWindowTitle;
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if(OpenInfo->pszFileName)
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pszWindowTitle = wcsrchr(OpenInfo->pszFileName, '\\') + 1;
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else
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LoadAndFormatString(IDS_DOCNAME, &pszWindowTitle, ++MainWndInfo->uDocumentCounter);
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hFontWnd = CreateMDIWindowW( szFontWndClass,
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pszWindowTitle,
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0,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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FONT_WND_MIN_WIDTH,
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FONT_WND_MIN_HEIGHT,
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MainWndInfo->hMdiClient,
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hInstance,
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(LPARAM)Info );
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if(!OpenInfo->pszFileName)
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HeapFree(hProcessHeap, 0, pszWindowTitle);
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if(hFontWnd)
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{
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// Add the new window to the linked list
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Info->PrevFontWnd = Info->MainWndInfo->LastFontWnd;
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if(Info->MainWndInfo->LastFontWnd)
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Info->MainWndInfo->LastFontWnd->NextFontWnd = Info;
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else
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Info->MainWndInfo->FirstFontWnd = Info;
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Info->MainWndInfo->LastFontWnd = Info;
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return TRUE;
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}
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}
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HeapFree(hProcessHeap, 0, Info);
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}
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return FALSE;
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}
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BOOL
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InitFontWndClass(VOID)
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{
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WNDCLASSW wc = {0,};
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wc.lpfnWndProc = FontWndProc;
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wc.hInstance = hInstance;
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wc.hCursor = LoadCursor( NULL, IDC_ARROW );
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wc.hIcon = LoadIconW( hInstance, MAKEINTRESOURCEW(IDI_DOC) );
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wc.hbrBackground = (HBRUSH)( COLOR_BTNFACE + 1 );
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wc.lpszClassName = szFontWndClass;
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return RegisterClassW(&wc) != 0;
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}
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VOID
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UnInitFontWndClass(VOID)
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{
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UnregisterClassW(szFontWndClass, hInstance);
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}
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