Refresh banner's text when erased and minize along with the installer window

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2568 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/Banner/Banner.c

@@ -14,45 +14,101 @@
 
 HINSTANCE hInstance;
 HWND hwBanner;
+HWND hwParent;
 
 char buf[1024];
 
 unsigned int myatoi(char *s);
+long oldProc;
 
 BOOL CALLBACK bannerProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
+  if (hwndDlg == hwParent)
+  {
+    if (uMsg == WM_SIZE)
+    {
+      ShowWindow(hwBanner, wParam == SIZE_MINIMIZED ? SW_HIDE : SW_SHOW);
+    }
+    return CallWindowProc(
+      (WNDPROC) oldProc,
+      hwndDlg,
+      uMsg,
+      wParam,
+      lParam
+    );
+  }
   if (uMsg == WM_INITDIALOG)
   {
     popstring(buf);
-    while (*(int*)buf == CHAR4_TO_DWORD('/','s','e','t')) {
+    while (*(int*)buf == CHAR4_TO_DWORD('/','s','e','t'))
+    {
       unsigned int id;
+
       popstring(buf);
       id = myatoi(buf);
+      
       popstring(buf);
-      SetDlgItemText(hwndDlg,id,buf);
+      SetDlgItemText(hwndDlg, id, buf);
+      
       popstring(buf);
     }
-    SetWindowText(hwndDlg,buf);
+    SetWindowText(hwndDlg, buf);
-    SetDlgItemText(hwndDlg,IDC_STR,buf);
+    SetDlgItemText(hwndDlg, IDC_STR, buf);
   }
+  if (uMsg == WM_CLOSE)
+  {
+    hwBanner = 0;
+    DestroyWindow(hwndDlg);
+  }
+  return 0;
+}
+
+DWORD WINAPI BannerCreator(void *lpParameter)
+{
+  oldProc = SetWindowLong((HWND) lpParameter, GWL_WNDPROC, (long)bannerProc);
+
+  hwParent = (HWND) lpParameter;
+
+  hwBanner = CreateDialog(
+    GetModuleHandle(0),
+    MAKEINTRESOURCE(IDD_VERIFY),
+    (HWND) lpParameter,
+    bannerProc
+  );
+
+  {
+    BOOL bRet;
+    MSG msg;
+
+    while (hwBanner && (bRet = GetMessage(&msg, NULL, 0, 0)))
+    { 
+      if (bRet != -1)
+      { 
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+      }
+    }
+  }
+
   return 0;
 }
 
 void __declspec(dllexport) show(HWND hwndParent, int string_size, char *variables, stack_t **stacktop)
 {
-  EXDLL_INIT();
+  DWORD dwThreadId;
 
-  hwBanner = CreateDialog(
+  g_stringsize = string_size;
-    GetModuleHandle(0),
+  g_stacktop = stacktop;
-    MAKEINTRESOURCE(IDD_VERIFY),
+
-    hwndParent,
+  CreateThread(0, 0, BannerCreator, (void *) hwndParent, 0, &dwThreadId);
-    bannerProc
-  );
 }
 
 void __declspec(dllexport) destroy(HWND hwndParent, int string_size, char *variables, stack_t **stacktop)
 {
-  DestroyWindow(hwBanner);
+  if (oldProc)
+    SetWindowLong(hwndParent, GWL_WNDPROC, oldProc);
+
+  SendMessage(hwBanner, WM_CLOSE, 0, 0);
 }
 
 BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)

TODO.txt

@@ -18,10 +18,6 @@ NSIS
 
 * move no custom to compiler (custom as just another inst type)
 
-PLUGINS
-
-* Banner doesn't refresh and doesn't stay on top
-
 -- Before NSIS 2 Final --
 
 EXAMPLES