Move MessageBox() to the interface to display it properly in Qt.

Signed-off-by: Andrea Odetti <mariofutire@gmail.com>

source/frontends/ncurses/world.cpp

@@ -354,6 +354,12 @@ void FrameDrawDiskStatus(HDC x)
   FrameRefresh();
 }
 
+int MessageBox(HWND, const char * text, const char * caption, UINT)
+{
+  LogFileOutput("MessageBox:\n%s\n%s\n\n", caption, text);
+  return IDOK;
+}
+
 void FrameRefreshStatus(int x, bool)
 {
   // std::cerr << "Status: " << x << std::endl;

source/frontends/qapple/qapple.cpp

@@ -164,6 +164,37 @@ BYTE __stdcall SpkrToggle (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCycle
 
 void VideoInitialize() {}
 
+// MessageBox
+
+int MessageBox(HWND, const char * text, const char * caption, UINT type)
+{
+    QMessageBox::StandardButtons buttons = QMessageBox::Ok;
+    if (type & MB_YESNO)
+    {
+        buttons = QMessageBox::Yes | QMessageBox::No;
+    }
+    else if (type & MB_YESNOCANCEL)
+    {
+        buttons = QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel;
+    }
+
+    QMessageBox::StandardButton result = QMessageBox::information(nullptr, caption, text, buttons);
+
+    switch (result)
+    {
+    case QMessageBox::Ok:
+        return IDOK;
+    case QMessageBox::Yes:
+        return IDYES;
+    case QMessageBox::No:
+        return IDNO;
+    case QMessageBox::Cancel:
+        return IDCANCEL;
+    default:
+        return IDOK;
+    }
+}
+
 QApple::QApple(QWidget *parent) :
     QMainWindow(parent), myTimerID(0), myPreferences(this)
 {

source/linux/dummies.cpp

@@ -10,7 +10,6 @@
 #include "Memory.h"
 #include "Keyboard.h"
 #include "NTSC.h"
-#include "Log.h"
 
 static bool bVideoScannerNTSC = true;  // NTSC video scanning (or PAL)
 
@@ -69,12 +68,6 @@ UINT IPropertySheet::GetTheFreezesF8Rom(void)
   return 0;
 }
 
-int MessageBox(HWND, const char * text, const char * caption, UINT)
-{
-  LogFileOutput("MessageBox:\n%s\n%s\n\n", caption, text);
-  return IDOK;
-}
-
 HWND GetDesktopWindow()
 {
   return NULL;

source/linux/dummies.h

@@ -9,7 +9,6 @@ void InitializeCriticalSection(CRITICAL_SECTION * criticalSection);
 void EnterCriticalSection(CRITICAL_SECTION * criticalSection);
 void LeaveCriticalSection(CRITICAL_SECTION * criticalSection);
 void OutputDebugString(const char * str);
-int MessageBox(HWND, const char *, const char *, UINT);
 
 extern int g_nAltCharSetOffset; // alternate character set
 

source/linux/interface.h

@@ -36,3 +36,7 @@ BOOL RegLoadValue (LPCTSTR section, LPCTSTR key, BOOL peruser, DWORD *value);
 BOOL RegLoadValue (LPCTSTR section, LPCTSTR key, BOOL peruser, BOOL *value);
 void RegSaveString (LPCTSTR section, LPCTSTR key, BOOL peruser, LPCTSTR buffer);
 void RegSaveValue (LPCTSTR section, LPCTSTR key, BOOL peruser, DWORD value);
+
+// MessageBox
+
+int MessageBox(HWND, const char * text, const char * caption, UINT type);

source/linux/wwrapper.h

@@ -128,3 +128,6 @@ void GetLocalTime(SYSTEMTIME *t);
 BOOL GetOpenFileName(LPOPENFILENAME lpofn);
 
 BOOL WINAPI PostMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
+
+// must be provided
+int MessageBox(HWND, const char *, const char *, UINT);