reactos/rosapps/applications/devutils/vgafontedit/mainwnd.c

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/*
* PROJECT: ReactOS VGA Font Editor
* LICENSE: GNU General Public License Version 2.0 or any later version
* FILE: devutils/vgafontedit/mainwnd.c
* PURPOSE: Implements the main window of the application
* COPYRIGHT: Copyright 2008 Colin Finck <mail@colinfinck.de>
*/
#include "precomp.h"
static const WCHAR szMainWndClass[] = L"VGAFontEditMainWndClass";
static VOID
InitResources(IN PMAIN_WND_INFO Info)
{
HDC hMemDC;
HDC hMainDC;
HPEN hPen, hPenOld;
RECT rect;
HBITMAP hBitmapOld;
hMemDC = CreateCompatibleDC(NULL);
hMainDC = GetDC(Info->hMainWnd);
// Create the "Box" bitmap
Info->hBoxBmp = CreateCompatibleBitmap(hMainDC, CHARACTER_BOX_WIDTH, CHARACTER_BOX_HEIGHT);
hBitmapOld = SelectObject(hMemDC, Info->hBoxBmp);
rect.left = 0;
rect.top = 0;
rect.right = CHARACTER_INFO_BOX_WIDTH;
rect.bottom = CHARACTER_INFO_BOX_HEIGHT;
FillRect( hMemDC, &rect, (HBRUSH)(COLOR_BTNFACE + 1) );
hPenOld = SelectObject( hMemDC, GetStockObject(WHITE_PEN) );
Rectangle(hMemDC, 0, 0, CHARACTER_INFO_BOX_WIDTH - 1, 2);
Rectangle(hMemDC, 0, 2, 2, CHARACTER_INFO_BOX_HEIGHT - 1);
hPen = SelectObject(hMemDC, hPenOld);
hPen = CreatePen( PS_SOLID, 1, RGB(128, 128, 128) );
hPenOld = SelectObject(hMemDC, hPen);
Rectangle(hMemDC, 1, CHARACTER_INFO_BOX_HEIGHT - 2, CHARACTER_INFO_BOX_WIDTH, CHARACTER_INFO_BOX_HEIGHT);
Rectangle(hMemDC, CHARACTER_INFO_BOX_WIDTH - 2, 1, CHARACTER_INFO_BOX_WIDTH, CHARACTER_INFO_BOX_HEIGHT - 2);
SetPixel( hMemDC, CHARACTER_INFO_BOX_WIDTH - 1, 0, RGB(128, 128, 128) );
SetPixel( hMemDC, 0, CHARACTER_INFO_BOX_HEIGHT - 1, RGB(128, 128, 128) );
SelectObject(hMemDC, hBitmapOld);
hPen = SelectObject(hMemDC, hPenOld);
DeleteObject(hPen);
DeleteDC(hMemDC);
ReleaseDC(Info->hMainWnd, hMainDC);
}
static VOID
UnInitResources(IN PMAIN_WND_INFO Info)
{
DeleteObject(Info->hBoxBmp);
}
static VOID
AddToolbarButton(IN PMAIN_WND_INFO Info, IN INT iBitmap, IN INT idCommand, IN UINT uID)
{
PWSTR pszTooltip;
TBBUTTON tbb = {0,};
if( AllocAndLoadString(&pszTooltip, uID) )
{
tbb.fsState = TBSTATE_ENABLED;
tbb.iBitmap = iBitmap;
tbb.idCommand = idCommand;
tbb.iString = (INT_PTR)pszTooltip;
SendMessageW( Info->hToolbar, TB_ADDBUTTONSW, 1, (LPARAM)&tbb );
HeapFree(hProcessHeap, 0, pszTooltip);
}
}
static VOID
SetToolbarButtonState(IN PMAIN_WND_INFO Info, INT idCommand, BOOL bEnabled)
{
TBBUTTONINFOW tbbi = {0,};
tbbi.cbSize = sizeof(tbbi);
tbbi.dwMask = TBIF_STATE;
tbbi.fsState = (bEnabled ? TBSTATE_ENABLED : 0);
SendMessageW(Info->hToolbar, TB_SETBUTTONINFOW, idCommand, (LPARAM)&tbbi);
}
VOID
SetToolbarFileButtonState(IN PMAIN_WND_INFO Info, BOOL bEnabled)
{
SetToolbarButtonState(Info, ID_FILE_SAVE, bEnabled);
SetToolbarButtonState(Info, ID_EDIT_GLYPH, bEnabled);
SetToolbarButtonState(Info, ID_EDIT_COPY, bEnabled);
}
static VOID
AddToolbarSeparator(IN PMAIN_WND_INFO Info)
{
TBBUTTON tbb = {0,};
tbb.fsStyle = BTNS_SEP;
SendMessageW( Info->hToolbar, TB_ADDBUTTONSW, 1, (LPARAM)&tbb );
}
static VOID
InitMainWnd(IN PMAIN_WND_INFO Info)
{
CLIENTCREATESTRUCT ccs;
INT iCustomBitmaps;
INT iStandardBitmaps;
TBADDBITMAP tbab;
// Add the toolbar
Info->hToolbar = CreateWindowExW(0,
TOOLBARCLASSNAMEW,
NULL,
WS_VISIBLE | WS_CHILD | TBSTYLE_TOOLTIPS,
0,
0,
0,
0,
Info->hMainWnd,
NULL,
hInstance,
NULL);
// Identify the used Common Controls version
SendMessageW(Info->hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
// Enable Tooltips
SendMessageW(Info->hToolbar, TB_SETMAXTEXTROWS, 0, 0);
// Add the toolbar bitmaps
tbab.hInst = HINST_COMMCTRL;
tbab.nID = IDB_STD_SMALL_COLOR;
iStandardBitmaps = SendMessageW(Info->hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbab);
tbab.hInst = hInstance;
tbab.nID = IDB_MAIN_TOOLBAR;
iCustomBitmaps = SendMessageW(Info->hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbab);
// Add the toolbar buttons
AddToolbarButton(Info, iStandardBitmaps + STD_FILENEW, ID_FILE_NEW, IDS_TOOLTIP_NEW);
AddToolbarButton(Info, iStandardBitmaps + STD_FILEOPEN, ID_FILE_OPEN, IDS_TOOLTIP_OPEN);
AddToolbarButton(Info, iStandardBitmaps + STD_FILESAVE, ID_FILE_SAVE, IDS_TOOLTIP_SAVE);
AddToolbarSeparator(Info);
AddToolbarButton(Info, iCustomBitmaps + TOOLBAR_EDIT_GLYPH, ID_EDIT_GLYPH, IDS_TOOLTIP_EDIT_GLYPH);
AddToolbarSeparator(Info);
AddToolbarButton(Info, iStandardBitmaps + STD_COPY, ID_EDIT_COPY, IDS_TOOLTIP_COPY);
AddToolbarButton(Info, iStandardBitmaps + STD_PASTE, ID_EDIT_PASTE, IDS_TOOLTIP_PASTE);
SetToolbarFileButtonState(Info, FALSE);
SetPasteButtonState(Info);
// Add the MDI client area
ccs.hWindowMenu = GetSubMenu(Info->hMenu, 2);
ccs.idFirstChild = ID_MDI_FIRSTCHILD;
Info->hMdiClient = CreateWindowExW(WS_EX_CLIENTEDGE,
L"MDICLIENT",
NULL,
WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VSCROLL | WS_HSCROLL,
0,
0,
0,
0,
Info->hMainWnd,
NULL,
hInstance,
&ccs);
// Initialize the file handling
FileInitialize(Info->hMainWnd);
}
static VOID
InitMenuPopup(IN PMAIN_WND_INFO Info)
{
UINT uState;
uState = MF_BYCOMMAND | !(Info->CurrentFontWnd);
EnableMenuItem(Info->hMenu, ID_FILE_CLOSE, uState);
EnableMenuItem(Info->hMenu, ID_FILE_SAVE, uState);
EnableMenuItem(Info->hMenu, ID_FILE_SAVE_AS, uState);
EnableMenuItem(Info->hMenu, ID_EDIT_COPY, uState);
EnableMenuItem(Info->hMenu, ID_EDIT_GLYPH, uState);
uState = MF_BYCOMMAND | !(Info->CurrentFontWnd && IsClipboardFormatAvailable(uCharacterClipboardFormat));
EnableMenuItem(Info->hMenu, ID_EDIT_PASTE, uState);
}
static VOID
DoFileNew(IN PMAIN_WND_INFO Info)
{
PFONT_OPEN_INFO OpenInfo;
OpenInfo = (PFONT_OPEN_INFO) HeapAlloc( hProcessHeap, HEAP_ZERO_MEMORY, sizeof(FONT_OPEN_INFO) );
OpenInfo->bCreateNew = TRUE;
CreateFontWindow(Info, OpenInfo);
}
static VOID
DoFileOpen(IN PMAIN_WND_INFO Info)
{
PFONT_OPEN_INFO OpenInfo;
OpenInfo = (PFONT_OPEN_INFO) HeapAlloc( hProcessHeap, HEAP_ZERO_MEMORY, sizeof(FONT_OPEN_INFO) );
OpenInfo->pszFileName = HeapAlloc(hProcessHeap, 0, MAX_PATH);
OpenInfo->pszFileName[0] = 0;
if( DoOpenFile(OpenInfo->pszFileName) )
{
OpenInfo->bCreateNew = FALSE;
CreateFontWindow(Info, OpenInfo);
}
}
VOID
DoFileSave(IN PMAIN_WND_INFO Info, IN BOOL bSaveAs)
{
DWORD dwBytesWritten;
HANDLE hFile;
// Show the "Save" dialog
// - if "Save As" was clicked
// - if the file was not yet saved
// - if another format than the binary format was opened
if(bSaveAs || !Info->CurrentFontWnd->OpenInfo->bBinaryFileOpened)
{
if(!Info->CurrentFontWnd->OpenInfo->pszFileName)
{
Info->CurrentFontWnd->OpenInfo->pszFileName = (PWSTR) HeapAlloc(hProcessHeap, 0, MAX_PATH);
Info->CurrentFontWnd->OpenInfo->pszFileName[0] = 0;
}
else if(!Info->CurrentFontWnd->OpenInfo->bBinaryFileOpened)
{
// For a file in another format, the user has to enter a new file name as well
Info->CurrentFontWnd->OpenInfo->pszFileName[0] = 0;
}
if( !DoSaveFile(Info->CurrentFontWnd->OpenInfo->pszFileName) )
return;
}
// Save the binary font
hFile = CreateFileW(Info->CurrentFontWnd->OpenInfo->pszFileName, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
LocalizedError( IDS_OPENERROR, GetLastError() );
return;
}
if( !WriteFile(hFile, Info->CurrentFontWnd->Font, sizeof(BITMAP_FONT), &dwBytesWritten, NULL) )
LocalizedError( IDS_WRITEERROR, GetLastError() );
CloseHandle(hFile);
}
static VOID
CopyCurrentGlyph(IN PFONT_WND_INFO FontWndInfo)
{
HGLOBAL hMem;
PUCHAR pCharacterBits;
if(!OpenClipboard(NULL))
return;
EmptyClipboard();
hMem = GlobalAlloc(GMEM_MOVEABLE, 8);
pCharacterBits = GlobalLock(hMem);
RtlCopyMemory(pCharacterBits, FontWndInfo->Font->Bits + FontWndInfo->uSelectedCharacter * 8, 8);
GlobalUnlock(hMem);
SetClipboardData(uCharacterClipboardFormat, hMem);
CloseClipboard();
}
static VOID
PasteIntoCurrentGlyph(IN PFONT_WND_INFO FontWndInfo)
{
HGLOBAL hMem;
if(!IsClipboardFormatAvailable(uCharacterClipboardFormat))
return;
if(!OpenClipboard(NULL))
return;
hMem = GetClipboardData(uCharacterClipboardFormat);
if(hMem)
{
PUCHAR pCharacterBits;
pCharacterBits = GlobalLock(hMem);
if(pCharacterBits)
{
RECT CharacterRect;
UINT uFontRow;
UINT uFontColumn;
RtlCopyMemory(FontWndInfo->Font->Bits + FontWndInfo->uSelectedCharacter * 8, pCharacterBits, 8);
GlobalUnlock(hMem);
FontWndInfo->OpenInfo->bModified = TRUE;
GetCharacterPosition(FontWndInfo->uSelectedCharacter, &uFontRow, &uFontColumn);
GetCharacterRect(uFontRow, uFontColumn, &CharacterRect);
InvalidateRect(FontWndInfo->hFontBoxesWnd, &CharacterRect, FALSE);
}
}
CloseClipboard();
}
VOID
SetPasteButtonState(IN PMAIN_WND_INFO Info)
{
SetToolbarButtonState(Info,
ID_EDIT_PASTE,
(Info->CurrentFontWnd && IsClipboardFormatAvailable(uCharacterClipboardFormat)));
}
static BOOL
MenuCommand(IN INT nMenuItemID, IN PMAIN_WND_INFO Info)
{
switch(nMenuItemID)
{
// File Menu
case ID_FILE_NEW:
DoFileNew(Info);
return TRUE;
case ID_FILE_OPEN:
DoFileOpen(Info);
return TRUE;
case ID_FILE_CLOSE:
SendMessageW(Info->CurrentFontWnd->hSelf, WM_CLOSE, 0, 0);
return TRUE;
case ID_FILE_SAVE:
DoFileSave(Info, FALSE);
return TRUE;
case ID_FILE_SAVE_AS:
DoFileSave(Info, TRUE);
return TRUE;
case ID_FILE_EXIT:
PostMessage(Info->hMainWnd, WM_CLOSE, 0, 0);
return TRUE;
// Edit Menu
case ID_EDIT_GLYPH:
EditCurrentGlyph(Info->CurrentFontWnd);
return TRUE;
case ID_EDIT_COPY:
CopyCurrentGlyph(Info->CurrentFontWnd);
return TRUE;
case ID_EDIT_PASTE:
PasteIntoCurrentGlyph(Info->CurrentFontWnd);
return TRUE;
// Window Menu
case ID_WINDOW_TILE_HORZ:
SendMessageW(Info->hMdiClient, WM_MDITILE, MDITILE_HORIZONTAL, 0);
return TRUE;
case ID_WINDOW_TILE_VERT:
SendMessageW(Info->hMdiClient, WM_MDITILE, MDITILE_VERTICAL, 0);
return TRUE;
case ID_WINDOW_CASCADE:
SendMessageW(Info->hMdiClient, WM_MDICASCADE, 0, 0);
return TRUE;
case ID_WINDOW_ARRANGE:
SendMessageW(Info->hMdiClient, WM_MDIICONARRANGE, 0, 0);
return TRUE;
case ID_WINDOW_NEXT:
SendMessageW(Info->hMdiClient, WM_MDINEXT, 0, 0);
return TRUE;
// Help Menu
case ID_HELP_ABOUT:
DialogBoxW( hInstance, MAKEINTRESOURCEW(IDD_ABOUT), Info->hMainWnd, AboutDlgProc );
return TRUE;
}
return FALSE;
}
static VOID
MainWndSize(PMAIN_WND_INFO Info, INT cx, INT cy)
{
HDWP dwp;
INT iMdiTop;
RECT ToolbarRect;
iMdiTop = 0;
dwp = BeginDeferWindowPos(2);
if(!dwp)
return;
if(Info->hToolbar)
{
GetWindowRect(Info->hToolbar, &ToolbarRect);
iMdiTop += ToolbarRect.bottom - ToolbarRect.top;
dwp = DeferWindowPos(dwp, Info->hToolbar, NULL, 0, 0, cx, ToolbarRect.bottom - ToolbarRect.top, SWP_NOZORDER);
if(!dwp)
return;
}
if(Info->hMdiClient)
{
dwp = DeferWindowPos(dwp, Info->hMdiClient, NULL, 0, iMdiTop, cx, cy - iMdiTop, SWP_NOZORDER);
if(!dwp)
return;
}
EndDeferWindowPos(dwp);
}
static LRESULT CALLBACK
MainWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
static HWND hNextClipboardViewer;
PMAIN_WND_INFO Info;
Info = (PMAIN_WND_INFO) GetWindowLongW(hwnd, GWLP_USERDATA);
if(Info || uMsg == WM_CREATE)
{
switch(uMsg)
{
case WM_COMMAND:
if( MenuCommand( LOWORD(wParam), Info ) )
return 0;
break;
case WM_CHANGECBCHAIN:
if((HWND)wParam == hNextClipboardViewer)
hNextClipboardViewer = (HWND)lParam;
else
SendMessage(hNextClipboardViewer, uMsg, wParam, lParam);
return 0;
case WM_CLOSE:
if(Info->FirstFontWnd)
{
// Send WM_CLOSE to all subwindows, so they can prompt for saving unsaved files
PFONT_WND_INFO pNextWnd;
PFONT_WND_INFO pWnd;
pWnd = Info->FirstFontWnd;
do
{
// The pWnd structure might already be destroyed after the WM_CLOSE, so we have to preserve the address of the next window here
pNextWnd = pWnd->NextFontWnd;
// Send WM_USER_APPCLOSE, so we can check for a custom return value
// In this case, we check if the user clicked the "Cancel" button in one of the prompts and if so, we don't close the app
if( !SendMessage(pWnd->hSelf, WM_USER_APPCLOSE, 0, 0) )
return 0;
}
while( (pWnd = pNextWnd) );
}
break;
case WM_CREATE:
Info = (PMAIN_WND_INFO)( ( (LPCREATESTRUCT)lParam )->lpCreateParams );
Info->hMainWnd = hwnd;
Info->hMenu = GetMenu(hwnd);
SetWindowLongW(hwnd, GWLP_USERDATA, (LONG)Info);
hNextClipboardViewer = SetClipboardViewer(hwnd);
InitMainWnd(Info);
InitResources(Info);
ShowWindow(hwnd, Info->nCmdShow);
return 0;
case WM_DESTROY:
UnInitResources(Info);
HeapFree(hProcessHeap, 0, Info);
SetWindowLongW(hwnd, GWLP_USERDATA, 0);
PostQuitMessage(0);
return 0;
case WM_DRAWCLIPBOARD:
SetPasteButtonState(Info);
// Pass the message to the next clipboard window in the chain
SendMessage(hNextClipboardViewer, uMsg, wParam, lParam);
return 0;
case WM_INITMENUPOPUP:
InitMenuPopup(Info);
break;
case WM_SIZE:
MainWndSize( Info, LOWORD(lParam), HIWORD(lParam) );
return 0;
}
}
if(Info && Info->hMdiClient)
return DefFrameProcW(hwnd, Info->hMdiClient, uMsg, wParam, lParam);
else
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
BOOL
CreateMainWindow(IN INT nCmdShow, OUT PMAIN_WND_INFO* Info)
{
HWND hMainWnd;
*Info = (PMAIN_WND_INFO) HeapAlloc( hProcessHeap, HEAP_ZERO_MEMORY, sizeof(MAIN_WND_INFO) );
if(*Info)
{
(*Info)->nCmdShow = nCmdShow;
hMainWnd = CreateWindowExW(0,
szMainWndClass,
szAppName,
WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
LoadMenuW(hInstance, MAKEINTRESOURCEW(IDM_MAINMENU)),
hInstance,
*Info);
if(hMainWnd)
return TRUE;
else
HeapFree(hProcessHeap, 0, *Info);
}
return FALSE;
}
BOOL
InitMainWndClass(VOID)
{
WNDCLASSW wc = {0,};
wc.lpfnWndProc = MainWndProc;
wc.hInstance = hInstance;
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hIcon = LoadIconW( hInstance, MAKEINTRESOURCEW(IDI_MAIN) );
wc.hbrBackground = (HBRUSH)( COLOR_BTNFACE + 1 );
wc.lpszClassName = szMainWndClass;
return RegisterClassW(&wc) != 0;
}
VOID
UnInitMainWndClass(VOID)
{
UnregisterClassW(szMainWndClass, hInstance);
}