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Windows/richview.cpp

@@ -0,0 +1,91 @@
+#include <skeldal_win.h>
+#include <resource.h>
+#include <richedit.h>
+#include <windowsx.h>
+#include <stdlib.h>
+#include <string.h>
+
+static bool IsModal=false;
+
+static DWORD CALLBACK RtfViewerCallback(
+  DWORD dwCookie, // application-defined value
+  LPBYTE pbBuff,  // pointer to a buffer
+  LONG cb,        // number of bytes to read or write
+  LONG *pcb       // pointer to number of bytes transferred
+)
+  {
+  char **rdptr=(char **)dwCookie;
+  char *p=*rdptr;
+  *pcb=0;
+  while (*p && cb)
+	{
+	*pbBuff=*(LPBYTE)p;
+	pbBuff++;
+	p++;
+	cb--;
+	pcb[0]++;
+	}
+  *rdptr=p;
+  return 0;
+  }
+
+
+static LRESULT RtfViewer(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
+  {
+  switch (msg)
+	{
+	case WM_INITDIALOG:
+	  {
+	  HWND rtf=GetDlgItem(hWnd,IDC_RICHEDIT);
+	  EDITSTREAM edstr;
+	  char *rdptr=(char *)lParam;
+	  edstr.dwCookie=(DWORD)(&rdptr);
+	  edstr.pfnCallback=RtfViewerCallback;
+	  SendMessage(rtf,EM_STREAMIN,SF_RTF|SFF_PLAINRTF,(LPARAM)(&edstr));
+	  break;
+	  }
+	case WM_COMMAND:
+	  if (LOWORD(wParam)==IDOK || LOWORD(wParam)==IDCANCEL)
+		{
+		if (IsModal) EndDialog(hWnd,LOWORD(wParam));
+		else DestroyWindow(hWnd);
+		break;
+		}
+	  return 0;
+	default: return 0;
+	}
+  return 1;
+  }
+
+DWORD ShowRichView(HWND hWnd, const char *resourceName, const char *resourceType, bool modal)
+  {
+
+  HMODULE mod;
+  mod=GetModuleHandle("RICHED20.DLL");
+  if (mod==NULL) mod=LoadLibrary("RICHED20.DLL");
+  if (mod==NULL) 
+	{
+	char buff[256];
+	LoadString(GetModuleHandle(NULL),IDS_RICHEDMISSING,buff,sizeof(buff));
+	MessageBox(hWnd,buff,NULL,MB_OK|MB_ICONEXCLAMATION);
+	return 0;
+	}
+  HRSRC rsrc=FindResource(GetModuleHandle(NULL),resourceName,resourceType);
+  if (rsrc==NULL) return 0;
+  HGLOBAL src=LoadResource(GetModuleHandle(NULL),rsrc);
+  const char *ptr=(const char *)LockResource(src);
+  DWORD res=0;
+  if (modal)
+	{
+	IsModal=true;
+	res=DialogBoxParam(GetModuleHandle(NULL),MAKEINTRESOURCE(IDD_RTFVIEWER),hWnd,(DLGPROC)RtfViewer,(LPARAM)ptr);
+	IsModal=false;	
+	}
+  else
+	{
+	HWND hDlg=CreateDialogParam(GetModuleHandle(NULL),MAKEINTRESOURCE(IDD_RTFVIEWER),hWnd,(DLGPROC)RtfViewer,(LPARAM)ptr);
+	ShowWindow(hDlg,SW_SHOW);
+	res=(DWORD)hDlg;
+	}
+  return res;
+  }