Added X-SAMPA table.

Also:
1. Cleaned up text handling by storing them in resource.
2. Added useful methods to make code look better.
3. Allowed PreviewWindow to be used for general text displaying.

Signed-off-by: Xiaomao Chen <xiaomao5@live.com>

Makefile

@@ -52,8 +52,8 @@ $(SRCDIR)\Window.cpp: $(INCDIR)\Window.hpp
 $(SRCDIR)\NLSWrap.cpp: $(INCDIR)\NLSWrap.hpp
 $(SRCDIR)\MainLogic.cpp: $(INCDIR)\MainWindow.hpp $(INCDIR)\NLSWrap.hpp $(INCDIR)\ConversionData.inc
 
-$(OUTDIR)\Zalgo.res: Zalgo.rc
-	$(RC) $(RCFLAGS) /fo$@ $**
+$(OUTDIR)\Zalgo.res: Zalgo.rc res\x-sampa.txt res\init.txt
+	$(RC) $(RCFLAGS) /fo$@ Zalgo.rc
 
 {$(SRCDIR)}.cpp{$(OUTDIR)}.obj::
 	$(CXX) $(CXXFLAGS) /Fo$(OUTDIR)\ /Fd$(OUTDIR)\ $<

Zalgo.rc

@@ -1,3 +1,6 @@
 #include <resource.h>
 
 RID_ICON ICON Zalgo.ico
+RID_XSAMPA ZALGO_TEXT "res\\x-sampa.txt"
+RID_INIT ZALGO_TEXT "res\\init.txt"
+RID_LOOSE ZALGO_TEXT "res\\loose.txt"

include/MainWindow.hpp

@@ -27,10 +27,11 @@
 #define ZALGO_CYRILLIC      0xA555
 #define ZALGO_GREEK         0xA556
 #define ZALGO_XSAMPA        0xA557
+#define ZALGO_XSAMPA_TABLE  0xA558
 
 class MainWindow : public Window {
 public:
-    virtual LPCTSTR ClassName() { return TEXT("Zalgo_Main"); }
+    virtual LPCTSTR ClassName() { return L"Zalgo_Main"; }
     static MainWindow *Create(LPCTSTR szTitle);
 protected:
     LRESULT HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam);
@@ -55,11 +56,11 @@ protected:
     HWND m_messLevel, m_messUpDown;
     HWND m_mess, m_unmess, m_previewShow;
     HWND m_nfc, m_nfd;
-    HWND m_latin, m_cyrillic, m_greek, m_xsampa;
+    HWND m_latin, m_cyrillic, m_greek, m_xsampa, m_xsampa_table;
     MyDropTarget m_dropTarget;
-    PreviewWindow *m_preview;
+    PreviewWindow *m_preview, *m_data_display;
 private:
-    HFONT hFont, hFontMono;
+    HFONT hFont;
     HBRUSH hBrush;
     UDACCEL *udaSecondAccel;
 };

include/PreviewWindow.hpp

@@ -12,9 +12,13 @@
 
 class PreviewWindow : public Window {
 public:
-    virtual LPCTSTR ClassName() { return TEXT("Zalgo_Preview"); }
+    virtual LPCTSTR ClassName() { return L"Zalgo_Preview"; }
     static PreviewWindow *Create(LPCTSTR szTitle);
     void Destroy() { DestroyWindow(m_hwnd); }
+
+    void ChangeText(LPWSTR text, bool padding = true);
+    void SetFont(HFONT hFont);
+    void SetFont(const LOGFONT &lf);
 protected:
     LRESULT HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam);
     LRESULT OnCreate();
@@ -24,6 +28,7 @@ protected:
     virtual HICON GetIcon();
 private:
     HFONT hFont;
+    bool used_logfont;
     HBRUSH hBrush;
     int xChar, yChar, xUpper, xClient, yClient, xClientMax, xPos, yPos;
     LPTSTR *lpLines;

include/Window.hpp

@@ -32,8 +32,10 @@ inline void MakeRectBottomRight(RECT &rect, int x, int y, int cx, int cy)
 
 class Window {
 public:
-    HWND GetHWND() { return m_hwnd; }
+    HWND GetHWND() const { return m_hwnd; }
+    bool ShowWindow(int nCmdShow) { return ::ShowWindow(m_hwnd, nCmdShow) != 0; }
     static HINSTANCE GetInstance() { return (HINSTANCE) GetModuleHandle(NULL); }
+    operator HWND() const { return m_hwnd; }
 protected:
     virtual LRESULT HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam);
     virtual void PaintContent(PAINTSTRUCT *pps) {}
@@ -52,9 +54,8 @@ private:
     void OnPaint();
     void OnPrintClient(HDC hdc);
 
-    static LRESULT CALLBACK
-            s_WndProc(HWND hwnd, UINT uMsg,
-                      WPARAM wParam, LPARAM lParam);
+    static LRESULT CALLBACK s_WndProc(HWND hwnd, UINT uMsg,
+                                      WPARAM wParam, LPARAM lParam);
 protected:
     HWND m_hwnd;
 };

include/resource.h

@@ -1 +1,10 @@
 #define RID_ICON 1
+#define RID_XSAMPA 2
+#define RID_INIT 3
+#define RID_LOOSE 4
+
+inline void GetMessageFont(LOGFONT &lf) {
+    NONCLIENTMETRICS ncmMetrics = { sizeof(NONCLIENTMETRICS) };
+    SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &ncmMetrics, 0);
+    memcpy(&lf, &ncmMetrics.lfMessageFont, sizeof lf);
+}

src/MainWindow.cpp

@@ -14,24 +14,6 @@
 #define BOTTOM(x, y, cx, cy) x, (y - cy), cx, cy
 #define BOTTOMRIGHT(x, y, cx, cy) (x - cx), (y - cy), cx, cy
 
-#define ZALGO_INITIAL  (L"To invoke the hive-mind representing chaos.\r\n"\
-                        L"Invoking the feeling of chaos.\r\n"\
-                        L"With out order.\r\n"\
-                        L"The Nezperdian hive-mind of chaos. Zalgo.\r\n"\
-                        L"He who Waits Behind The Wall.\r\n"\
-                        L"ZALGO!\r\n\r\n"\
-                        L"WARNING: Resulting text size is roughly original "\
-                        L"* (1 + fuck up level). Thou hast been warned.\r\n"\
-                        L"\r\n"\
-                        L"NOTE: If this program crashes on thee, blame "\
-                        L"thyself for fucking up a piece of text that is too "\
-                        L"big with a very high fuck up level.\r\n\r\n"\
-                        L"Do blame Windows for not able to show proper text "\
-                        L"in the edit control, for now, use the preview "\
-                        L"button.\r\n\r\n"\
-                        L"Bonus Geek Info: NFD text will lose all "\
-                        L"diacritics. Thou hast been warned.\r\n")
-
 UINT ZALGO_MESS_LEVEL_[3] = {6, 10, 14};
 #define ZALGO_MESS_LEVEL_OF(type) (ZALGO_MESS_LEVEL_[type-0xDEAD])
 
@@ -47,6 +29,23 @@ UINT ZALGO_MESS_LEVEL_[3] = {6, 10, 14};
 WNDPROC wpOrigEditProc;
 DWORD rgbWindowBackground;
 
+wchar_t *GetResourceString(int id, HMODULE module = NULL) {
+    HRSRC hRC;
+    DWORD size;
+    HGLOBAL hRes;
+    wchar_t *data;
+
+    hRC = FindResource(module, MAKEINTRESOURCE(id), L"ZALGO_TEXT");
+    if (!hRC)
+        return NULL;
+    size = SizeofResource(module, hRC);
+    hRes = LoadResource(module, hRC);
+    data = new wchar_t[size / sizeof(wchar_t) + 1];
+    memcpy(data, LockResource(hRes), size);
+    data[size / sizeof(wchar_t)] = 0;
+    return data;
+}
+
 LRESULT APIENTRY EditSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
     if (uMsg == WM_KEYDOWN) {
@@ -67,24 +66,26 @@ BOOL MainWindow::WinRegisterClass(WNDCLASS *pwc)
 
 LRESULT MainWindow::OnCreate()
 {
-    NONCLIENTMETRICS ncmMetrics = { sizeof(NONCLIENTMETRICS) };
+    LOGFONT lf;
     RECT client;
+    LPWSTR initial = NULL;
 
-    SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &ncmMetrics, 0);
     GetClientRect(m_hwnd, &client);
-
-    hFont = CreateFontIndirect(&ncmMetrics.lfMessageFont);
+    GetMessageFont(lf);
+    hFont = CreateFontIndirect(&lf);
     hBrush = GetSysColorBrush(COLOR_WINDOW);
     rgbWindowBackground = GetSysColor(COLOR_WINDOW);
-    hFontMono = CreateFont(0, 0, 0, 0, FW_NORMAL, 0, 0, 0, ANSI_CHARSET,
-                           OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
-                           CLEARTYPE_QUALITY, FF_MODERN, TEXT("Consolas"));
 
+    initial = GetResourceString(RID_INIT);
+    if (!initial)
+        MessageBox(m_hwnd, L"Zalgo initial not found", L"Zalgo Error", MB_ICONERROR);
     // Children
     m_message = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT,
-            ZALGO_INITIAL, WS_CHILDWINDOW | WS_VISIBLE | ES_LEFT |
+            initial, WS_CHILDWINDOW | WS_VISIBLE | ES_LEFT |
                   ES_MULTILINE | ES_AUTOVSCROLL | WS_VSCROLL,
             0, 0, 0, 0, m_hwnd, (HMENU) ZALGO_MESSAGE, GetInstance(), NULL);
+    if (initial)
+        delete [] initial;
 
     m_goUp = CreateWindow(WC_BUTTON, L"fuck up going &up",
             WS_CHILDWINDOW | WS_VISIBLE | BS_CHECKBOX, 0, 0, 0, 0,
@@ -146,6 +147,9 @@ LRESULT MainWindow::OnCreate()
     m_xsampa = CreateWindow(WC_BUTTON, L"&X-SAMPA to IPA",
             WS_CHILDWINDOW | WS_VISIBLE | BS_PUSHBUTTON, 0, 0, 0, 0,
             m_hwnd, (HMENU) ZALGO_XSAMPA, GetInstance(), NULL);
+    m_xsampa_table = CreateWindow(WC_BUTTON, L"X-&SAMPA Table",
+            WS_CHILDWINDOW | WS_VISIBLE | BS_PUSHBUTTON, 0, 0, 0, 0,
+            m_hwnd, (HMENU) ZALGO_XSAMPA_TABLE, GetInstance(), NULL);
 
     PostMessage(m_messUpDown, UDM_SETRANGE32, 1, ZALGO_MESS_LEVEL_OF(ZALGO_MAX_MESS));
     PostMessage(m_messUpDown, UDM_SETPOS32, 0, ZALGO_MESS_LEVEL_OF(ZALGO_NORMAL_MESS));
@@ -168,6 +172,7 @@ LRESULT MainWindow::OnCreate()
     SETFONT(m_cyrillic);
     SETFONT(m_greek);
     SETFONT(m_xsampa);
+    SETFONT(m_xsampa_table);
 #undef SETFONT
 
     Button_SetCheck(m_goUp, 1);
@@ -177,10 +182,14 @@ LRESULT MainWindow::OnCreate()
     Edit_Enable(m_messLevel, 0);
 
     if (!m_dropTarget.DragDropRegister(m_hwnd))
-        MessageBox(m_hwnd, TEXT("Failed to register Drag and Drop handler"),
-                   TEXT("Zalgo has COME!!!"), MB_ICONERROR);
+        MessageBox(m_hwnd, L"Failed to register Drag and Drop handler",
+                   L"Zalgo has COME!!!", MB_ICONERROR);
 
     m_preview = PreviewWindow::Create(L"Text Preview");
+    m_data_display = PreviewWindow::Create(L"X-SAMPA Table");
+    lf.lfHeight = (LONG) (lf.lfHeight * 1.3);
+    lf.lfWidth  = (LONG) (lf.lfWidth * 1.3);
+    m_data_display->SetFont(lf);
 
     // Subclassing
     wpOrigEditProc = (WNDPROC) SetWindowLongPtr(m_message,
@@ -212,7 +221,9 @@ LRESULT MainWindow::OnDestroy()
     DestroyWindow(m_cyrillic);
     DestroyWindow(m_greek);
     DestroyWindow(m_xsampa);
+    DestroyWindow(m_xsampa_table);
     delete m_preview;
+    delete m_data_display;
     return 0;
 }
 
@@ -248,25 +259,26 @@ LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
         GetClientRect(m_hwnd, &client);
 #define REPOS(hwnd, k) hdwp = DeferWindowPos(hdwp, hwnd, 0, k, SWP_NOACTIVATE|SWP_NOZORDER)
         hdwp = BeginDeferWindowPos(14);
-        REPOS(m_message,    LEFT(12, 12, client.right - 24, client.bottom - 124));
-        REPOS(m_goUp,       BOTTOM(12, client.bottom - 59, 140, 20));
-        REPOS(m_goMiddle,   BOTTOM(12, client.bottom - 34, 140, 20));
-        REPOS(m_goDown,     BOTTOM(12, client.bottom - 9,  140, 20));
-        REPOS(m_messMini,   BOTTOM(160, client.bottom - 59, 120, 20));
-        REPOS(m_messNormal, BOTTOM(160, client.bottom - 34, 120, 20));
-        REPOS(m_messMax,    BOTTOM(160, client.bottom - 9,  120, 20));
-        REPOS(m_messCustom, BOTTOM(280, client.bottom - 59, 120, 20));
-        REPOS(m_messLevel,  BOTTOM(280, client.bottom - 38, 84, 20));
-        REPOS(m_messUpDown, BOTTOM(362, client.bottom - 38, 18, 20));
-        REPOS(m_mess,       BOTTOMRIGHT(client.right - 12, client.bottom - 41, 100, 25));
-        REPOS(m_unmess,     BOTTOMRIGHT(client.right - 12, client.bottom - 12, 100, 25));
-        REPOS(m_nfc,        BOTTOMRIGHT(client.right - 117, client.bottom - 41, 50, 25));
-        REPOS(m_nfd,        BOTTOMRIGHT(client.right - 117, client.bottom - 12, 50, 25));
-        REPOS(m_previewShow,BOTTOMRIGHT(client.right - 172, client.bottom - 12, 100, 25));
-        REPOS(m_latin,      BOTTOM(12, client.bottom - 84, 100, 25));
-        REPOS(m_cyrillic,   BOTTOM(117, client.bottom - 84, 100, 25));
-        REPOS(m_greek,      BOTTOM(222, client.bottom - 84, 100, 25));
-        REPOS(m_xsampa,     BOTTOM(327, client.bottom - 84, 100, 25));
+        REPOS(m_message,      LEFT(12, 12, client.right - 24, client.bottom - 124));
+        REPOS(m_goUp,         BOTTOM(12, client.bottom - 59, 140, 20));
+        REPOS(m_goMiddle,     BOTTOM(12, client.bottom - 34, 140, 20));
+        REPOS(m_goDown,       BOTTOM(12, client.bottom - 9,  140, 20));
+        REPOS(m_messMini,     BOTTOM(160, client.bottom - 59, 120, 20));
+        REPOS(m_messNormal,   BOTTOM(160, client.bottom - 34, 120, 20));
+        REPOS(m_messMax,      BOTTOM(160, client.bottom - 9,  120, 20));
+        REPOS(m_messCustom,   BOTTOM(280, client.bottom - 59, 120, 20));
+        REPOS(m_messLevel,    BOTTOM(280, client.bottom - 38, 84, 20));
+        REPOS(m_messUpDown,   BOTTOM(362, client.bottom - 38, 18, 20));
+        REPOS(m_mess,         BOTTOMRIGHT(client.right - 12, client.bottom - 41, 100, 25));
+        REPOS(m_unmess,       BOTTOMRIGHT(client.right - 12, client.bottom - 12, 100, 25));
+        REPOS(m_nfc,          BOTTOMRIGHT(client.right - 117, client.bottom - 41, 50, 25));
+        REPOS(m_nfd,          BOTTOMRIGHT(client.right - 117, client.bottom - 12, 50, 25));
+        REPOS(m_previewShow,  BOTTOMRIGHT(client.right - 172, client.bottom - 12, 100, 25));
+        REPOS(m_latin,        BOTTOM(12, client.bottom - 84, 100, 25));
+        REPOS(m_cyrillic,     BOTTOM(117, client.bottom - 84, 100, 25));
+        REPOS(m_greek,        BOTTOM(222, client.bottom - 84, 100, 25));
+        REPOS(m_xsampa,       BOTTOM(327, client.bottom - 84, 100, 25));
+        REPOS(m_xsampa_table, BOTTOM(432, client.bottom - 84, 100, 25));
         EndDeferWindowPos(hdwp);
 #undef REPOS
         return 0;
@@ -288,8 +300,9 @@ LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
                 text = new wchar_t[textlen];
                 Edit_GetText(m_message, text, textlen);
 
-                SendMessage(m_preview->GetHWND(), WM_CHANGETEXT, 0, (LPARAM) text);
-                ShowWindow(m_preview->GetHWND(), SW_SHOW);
+                m_preview->ChangeText(text);
+                m_preview->ShowWindow(SW_SHOW);
+                break;
             }
             case TEXT_TO_NFC:
                 OnTextNFC();
@@ -314,6 +327,21 @@ LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
             case ZALGO_GO_DOWN:
                 Button_SetCheck((HWND) lParam, !IsDlgButtonChecked(m_hwnd, LOWORD(wParam)));
                 break;
+            case ZALGO_XSAMPA_TABLE: {
+                wchar_t *text;
+
+                SetWindowText(m_data_display->GetHWND(), L"X-SAMPA Table");
+                text = GetResourceString(RID_XSAMPA);
+                if (!text) {
+                    MessageBox(m_hwnd, L"X-SAMPA table not found", L"X-SAMPA Error", MB_ICONERROR);
+                    break;
+                }
+                m_data_display->ChangeText(text, false);
+                m_data_display->ShowWindow(SW_SHOW);
+                SetForegroundWindow(*m_data_display);
+                delete [] text;
+                break;
+            }
             default:
                 Button_SetCheck(GetDlgItem(m_hwnd, ZALGO_MINI_MESS),   0);
                 Button_SetCheck(GetDlgItem(m_hwnd, ZALGO_NORMAL_MESS), 0);
@@ -348,19 +376,16 @@ LRESULT MainWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
         if (wParam == 'K' && GetKeyState(VK_CONTROL) < 0 &&
                 GetKeyState(VK_SHIFT) < 0 && GetKeyState(VK_MENU) < 0) {
             static bool unlocked = false;
-            // A user has tried to go beyond max, let is work
-            if (!unlocked && MessageBox(m_hwnd, L"\
-Thou hast tried to loosen my limits, dost thou promise that:\r\n\
-  1. thou will be responsible to use the string generated\r\n\
-  2. thou will be careful to not enter a number too large that will crash me\r\n\
-  3. if thou dost crash me, blame thyself for entering a number too large\r\n\
-\r\n\
-Dost thou agree?", L"About to Unlock Secret", MB_YESNO | MB_ICONQUESTION) == IDYES) {
+            LPWSTR text = GetResourceString(RID_LOOSE);
+            // A user has tried to go beyond max, let it work
+            if (!unlocked && MessageBox(m_hwnd, text,L"About to Unlock Secret",
+                    MB_YESNO | MB_ICONQUESTION) == IDYES) {
                 PostMessage(m_messUpDown, UDM_SETRANGE32, 1, LONG_MAX);
                 PostMessage(m_messLevel, EM_SETREADONLY, 0, 0);
 
                 unlocked = true;
             }
+            delete [] text;
             return 0;
         }
         break;

src/PreviewWindow.cpp

@@ -5,29 +5,14 @@
 
 LRESULT PreviewWindow::OnCreate()
 {
-    NONCLIENTMETRICS ncmMetrics = { sizeof(NONCLIENTMETRICS) };
+    LOGFONT lf;
     RECT client;
-
-    SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &ncmMetrics, 0);
     GetClientRect(m_hwnd, &client);
-    
-    hFont = CreateFontIndirect(&ncmMetrics.lfMessageFont);
 
-    // Get the handle to the client area's device context.
-    HDC hdc = GetDC(m_hwnd);
-    TEXTMETRIC tm;
-    // Extract font dimensions from the text metrics.
-    GetTextMetrics(hdc, &tm);
-    xChar = tm.tmAveCharWidth;
-    xUpper =(tm.tmPitchAndFamily & 1 ? 3 : 2) * xChar/2;
-    yChar = tm.tmHeight + tm.tmExternalLeading;
-    // Free the device context.
-    ReleaseDC(m_hwnd, hdc);
-    // Set an arbitrary maximum width for client area.
-    //(xClientMax is the sum of the widths of 48 average
-    // lowercase letters and 12 uppercase letters.)
-    xClientMax = 48 * xChar + 12 * xUpper;
-    
+    GetMessageFont(lf);
+    hFont = CreateFontIndirect(&lf);
+    SendMessage(m_hwnd, WM_SETFONT, (WPARAM) hFont, FALSE);
+
     lpLines = NULL;
     return 0;
 }
@@ -60,7 +45,7 @@ void PreviewWindow::OnPaint()
     yPos = si.nPos;
     
     SelectObject(ps.hdc, hFont);
-    SetBkColor(ps.hdc, RGB(0xF0, 0xF0, 0xF0));
+    SetBkMode(ps.hdc, TRANSPARENT);
     // Find painting limits.
     int FirstLine = max(0, yPos + ps.rcPaint.top / yChar);
     int LastLine = min(lines - 1, yPos + ps.rcPaint.bottom / yChar);
@@ -69,16 +54,101 @@ void PreviewWindow::OnPaint()
     GetScrollInfo(m_hwnd, SB_HORZ, &si);
     xPos = si.nPos;
     for (int i = FirstLine; i <= LastLine; i++) {
-        int x = xChar *(1 - xPos);
-        int y = yChar *(i - yPos);
+        int x = xChar * (1 - xPos);
+        int y = yChar * (i - yPos);
         rect.top = y;
         rect.left = x;
-        DrawText(ps.hdc, lpLines[i], -1, &rect, DT_NOCLIP);
+        DrawText(ps.hdc, lpLines[i], -1, &rect, DT_EXPANDTABS | DT_NOCLIP | DT_NOPREFIX);
     }
     done:
     EndPaint(m_hwnd, &ps);
 }
 
+void PreviewWindow::ChangeText(LPWSTR text, bool padding)
+{
+    if (lpLines) {
+        for (int i = 0; i < lines; ++i)
+            delete [] lpLines[i];
+        delete [] lpLines;
+    }
+    
+    int l = 0, longest = 0, maxlen = 0;
+    LPWSTR str = text;
+    
+    if (*str == L'\0') {
+        empty = true;
+        lpLines = NULL;
+    } else empty = false;
+    
+    while (*str++)
+        if (*str == L'\n')
+            ++l;
+    
+    if (*(str-1) != L'\n')
+        ++l;
+    
+    lines = l;
+    if (padding)
+        lines += 8;
+    lpLines = new LPTSTR[lines];
+    if (padding) {
+        for (int i = 0; i < 4; ++i) {
+            lpLines[i] = new TCHAR[1];
+            lpLines[i][0] = L'\0';
+        }
+    }
+
+    for (int i = 0; i < l; ++i) {
+        LPTSTR start = text, end, buf;
+        int len;
+        while (*text++ != L'\n' && *(text-1) != L'\0');
+        end = text - 1;
+        len = end - start;
+        if (len > maxlen) {
+            longest = i + (padding ? 4 : 0);
+            maxlen = len;
+        }
+        buf = new TCHAR[len + 1];
+        memcpy(buf, start, len*sizeof(TCHAR));
+        buf[len] = L'\0';
+        lpLines[i + (padding ? 4 : 0)] = buf;
+    }
+    if (padding) {
+        for (int i = l + 4; i < lines; ++i) {
+            lpLines[i] = new TCHAR[1];
+            lpLines[i][0] = L'\0';
+        }
+    }
+    
+    int upper = 0, lower = 0;
+    for (LPTSTR i = lpLines[longest]; *i; ++i) {
+        if (isupper(*i))
+            ++upper;
+        else if (!(*i >= 0x0300 && *i < 0x0370 || *i == 0x489))
+            ++lower;
+    }
+    xClientMax = lower * xChar + upper * xUpper;
+    
+    PostMessage(m_hwnd, WM_SIZE, 0, 0);
+}
+
+void PreviewWindow::SetFont(HFONT hFont)
+{
+    if (used_logfont)
+        DeleteFont(this->hFont);
+    used_logfont = false;
+    SendMessage(m_hwnd, WM_SETFONT, (WPARAM) hFont, TRUE);
+}
+
+void PreviewWindow::SetFont(const LOGFONT &lf)
+{
+    if (used_logfont)
+        DeleteFont(this->hFont);
+    used_logfont = true;
+    hFont = CreateFontIndirect(&lf);
+    SendMessage(m_hwnd, WM_SETFONT, (WPARAM) hFont, TRUE);
+}
+
 LRESULT PreviewWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
     switch(uMsg) {
@@ -230,69 +300,31 @@ LRESULT PreviewWindow::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
         }
         return 0;
     }
-    case WM_CHANGETEXT: {
-        if (lpLines) {
-            for (int i = 0; i < lines; ++i)
-                delete [] lpLines[i];
-            delete [] lpLines;
-        }
-        
-        LPTSTR str = (LPTSTR) lParam;
-        int l = 0, longest = 0, maxlen = 0;
-        
-        if (*str == L'\0') {
-            empty = true;
-            lpLines = NULL;
-        } else empty = false;
-        
-        while (*str++)
-            if (*str == L'\n')
-                ++l;
-        
-        if (*(str-1) != L'\n')
-            ++l;
-        
-        lines = l + 8;
-        lpLines = new LPTSTR[lines];
-        for (int i = 0; i < 4; ++i) {
-            lpLines[i] = new TCHAR[1];
-            lpLines[i][0] = L'\0';
-        }
-        str = (LPTSTR) lParam;
-        for (int i = 0; i < l; ++i) {
-            LPTSTR start = str, end, buf;
-            int len;
-            while (*str++ != L'\n' && *(str-1) != L'\0');
-            end = str - 1;
-            len = end - start;
-            if (len > maxlen) {
-                longest = i+4;
-                maxlen = len;
-            }
-            buf = new TCHAR[len + 1];
-            memcpy(buf, start, len*sizeof(TCHAR));
-            buf[len] = L'\0';
-            lpLines[i+4] = buf;
-        }
-        for (int i = l + 4; i < lines; ++i) {
-            lpLines[i] = new TCHAR[1];
-            lpLines[i][0] = L'\0';
-        }
-        
-        int upper = 0, lower = 0;
-        for (LPTSTR i = lpLines[longest]; *i; ++i) {
-            if (isupper(*i))
-                ++upper;
-            else if (!(*i >= 0x0300 && *i < 0x0370 || *i == 0x489))
-                ++lower;
-        }
-        xClientMax = lower * xChar + upper * xUpper;
-        
-        PostMessage(m_hwnd, WM_SIZE, 0, 0);
+    case WM_CHANGETEXT:
+        ChangeText((LPTSTR) lParam, (wParam & 1) == 0);
         return 0;
+    case WM_SETFONT: {
+        HDC hdc = GetDC(m_hwnd);
+        hFont = (HFONT) wParam;
+        HFONT hOldFont = SelectFont(hdc, hFont);
+        
+        TEXTMETRIC tm;
+        // Extract font dimensions from the text metrics.
+        GetTextMetrics(hdc, &tm);
+        xChar = tm.tmAveCharWidth;
+        xUpper =(tm.tmPitchAndFamily & 1 ? 3 : 2) * xChar/2;
+        yChar = tm.tmHeight + tm.tmExternalLeading;
+        // Set an arbitrary maximum width for client area.
+        //(xClientMax is the sum of the widths of 48 average
+        // lowercase letters and 12 uppercase letters.)
+        xClientMax = 48 * xChar + 12 * xUpper;
+        
+        SelectFont(hdc, hOldFont);
+        ReleaseDC(m_hwnd, hdc);
+        break;
     }
     case WM_CLOSE:
-        ShowWindow(m_hwnd, SW_HIDE);
+        ShowWindow(SW_HIDE);
         return 0;
     }
 

src/Zalgo.cpp

@@ -19,7 +19,7 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLi
 
     MainWindow *win = MainWindow::Create(L"U̬̩͔̐̿ṅ̨̤̬̽i̛̘̳̹ͤ̍c̠̳̬͛o̘̳͗̿̈́d̗̅̓͗͠ḛ͍͛ ̬̠̹̉ͭ͛D̨̤̰̀̂ͦì̛͇͂a͍͇͛ͨͤc̡̟͖͗̔ͤͅr͔͇ͮ̓̍͢i̴͇͇̇͋̽t̛̟̟͋i̲̘̿̊c̺͎ͬ͗-̴̤́̔P̋̍҉͎̹ö̲̯͈̋͞l͎͂l̻̖ͩ̂͜u̵͔̳̇̋t̳̪͐̎e͈̓͢ḓ̗̭̓ ̹̫͛Ṭͫe̙̝̦̊̊̑͢x̶͉ͦ̚t̞̔̈́̀ ̡̪̪̙͒͗G̘̜̋e͍̯̻͋ͬͦn̹̩̫̑̈́ẽ͔̳r̠͙͒̀̅ͅa̭ͫ̓́t̘̺̋̏̚o̰̙̦ͪṛͦͣ́ͅ");
     if (win) {
-        ShowWindow(win->GetHWND(), nCmdShow);
+        win->ShowWindow(nCmdShow);
         MSG msg;
         while (GetMessage(&msg, NULL, 0, 0) > 0) {
             TranslateMessage(&msg);