comdlg32: Implement OFN_ENABLESIZING flag for GetOpenFileName and friends.

dlls/comdlg32/filedlg.c

@@ -37,7 +37,6 @@
  * FIXME: add to recent docs
  *
  * FIXME: flags not implemented: OFN_DONTADDTORECENT,
- * OFN_ENABLESIZING,
  * OFN_NODEREFERENCELINKS, OFN_NOREADONLYRETURN,
  * OFN_NOTESTFILECREATE, OFN_USEMONIKERS
  *
@@ -82,7 +81,7 @@
 WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
 
 #define UNIMPLEMENTED_FLAGS \
-(OFN_DONTADDTORECENT | OFN_ENABLESIZING |\
+(OFN_DONTADDTORECENT |\
 OFN_NODEREFERENCELINKS | OFN_NOREADONLYRETURN |\
 OFN_NOTESTFILECREATE /*| OFN_USEMONIKERS*/)
 
@@ -271,6 +270,13 @@ static BOOL GetFileName95(FileOpenDlgInfos *fodInfos)
         return FALSE;
     }
 
+    if (fodInfos->ofnInfos->Flags & OFN_ENABLESIZING)
+    {
+        ((LPDLGTEMPLATEW)template)->style |= WS_SIZEBOX;
+        fodInfos->sizedlg.cx = fodInfos->sizedlg.cy = 0;
+        fodInfos->initial_size.x = fodInfos->initial_size.y = 0;
+    }
+
     /* old style hook messages */
     if (IsHooked(fodInfos))
     {
@@ -979,6 +985,125 @@ static INT_PTR FILEDLG95_HandleCustomDialogMessages(HWND hwnd, UINT uMsg, WPARAM
 }
 
 /***********************************************************************
+ *          FILEDLG95_OnWMGetMMI
+ *
+ * WM_GETMINMAXINFO message handler for resizable dialogs
+ */
+static LRESULT FILEDLG95_OnWMGetMMI( HWND hwnd, LPMINMAXINFO mmiptr)
+{
+    FileOpenDlgInfos *fodInfos = GetPropA(hwnd,FileOpenDlgInfosStr);
+    if( !(fodInfos->ofnInfos->Flags & OFN_ENABLESIZING)) return FALSE;
+    if( fodInfos->initial_size.x || fodInfos->initial_size.y)
+    {
+        mmiptr->ptMinTrackSize = fodInfos->initial_size;
+    }
+    return TRUE;
+}
+
+/***********************************************************************
+ *          FILEDLG95_OnWMSize
+ *
+ * WM_SIZE message handler, resize the dialog. Re-arrange controls.
+ *
+ * FIXME: this could be made more elaborate. Now use a simple scheme
+ * where the file view is enlarged and the controls are either moved
+ * vertically or horizontally to get out of the way. Only the "grip"
+ * is moved in both directions to stay in the corner.
+ */
+static LRESULT FILEDLG95_OnWMSize(HWND hwnd, WPARAM wParam, LPARAM lParam)
+{
+    RECT rc, rcview;
+    int chgx, chgy;
+    HWND ctrl;
+    HDWP hdwp;
+    FileOpenDlgInfos *fodInfos;
+
+    if( wParam != SIZE_RESTORED) return FALSE;
+    fodInfos = GetPropA(hwnd,FileOpenDlgInfosStr);
+    if( !(fodInfos->ofnInfos->Flags & OFN_ENABLESIZING)) return FALSE;
+    /* get the new dialog rectangle */
+    GetWindowRect( hwnd, &rc);
+    /* not initialized yet */
+    if( (fodInfos->sizedlg.cx == 0 && fodInfos->sizedlg.cy == 0) ||
+        ((fodInfos->sizedlg.cx == rc.right -rc.left) && /* no change */
+             (fodInfos->sizedlg.cy == rc.bottom -rc.top)))
+        return FALSE;
+    chgx = rc.right - rc.left - fodInfos->sizedlg.cx;
+    chgy = rc.bottom - rc.top - fodInfos->sizedlg.cy;
+    fodInfos->sizedlg.cx = rc.right - rc.left;
+    fodInfos->sizedlg.cy = rc.bottom - rc.top;
+    /* change the size of the view window */
+    GetWindowRect( fodInfos->ShellInfos.hwndView, &rcview);
+    MapWindowPoints( NULL, hwnd, (LPPOINT) &rcview, 2);
+    hdwp = BeginDeferWindowPos( 10);
+    DeferWindowPos( hdwp, fodInfos->ShellInfos.hwndView, NULL, 0, 0,
+            rcview.right - rcview.left + chgx,
+            rcview.bottom - rcview.top + chgy,
+            SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER);
+    /* change position and sizes of the controls */
+    for( ctrl = GetWindow( hwnd, GW_CHILD); ctrl ; ctrl = GetWindow( ctrl, GW_HWNDNEXT))
+    {
+        GetWindowRect( ctrl, &rc);
+        MapWindowPoints( NULL, hwnd, (LPPOINT) &rc, 2);
+        if( ctrl == fodInfos->DlgInfos.hwndGrip)
+        {
+            DeferWindowPos( hdwp, ctrl, NULL, rc.left + chgx, rc.top + chgy,
+                    0, 0,
+                    SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOZORDER);
+        }
+        else if( rc.top > rcview.bottom)
+        {
+            /* if it was below the shell view
+             * move to bottom */
+            DeferWindowPos( hdwp, ctrl, NULL, rc.left, rc.top + chgy,
+                    rc.right - rc.left, rc.bottom - rc.top,
+                    SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOZORDER);
+        }
+        else if( rc.left > rcview.right)
+        {
+            /* if it was to the right of the shell view
+             * move to right */
+            DeferWindowPos( hdwp, ctrl, NULL, rc.left + chgx, rc.top,
+                    rc.right - rc.left, rc.bottom - rc.top,
+                    SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOZORDER);
+        }
+    }
+    if(fodInfos->DlgInfos.hwndCustomDlg &&
+        (fodInfos->ofnInfos->Flags & (OFN_ENABLETEMPLATE | OFN_ENABLETEMPLATEHANDLE)))
+    {
+        GetClientRect(hwnd, &rc);
+        DeferWindowPos( hdwp,fodInfos->DlgInfos.hwndCustomDlg, NULL,
+            0, 0, rc.right, rc.bottom, SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER);
+        for( ctrl = GetWindow( fodInfos->DlgInfos.hwndCustomDlg, GW_CHILD);
+                ctrl ; ctrl = GetWindow( ctrl, GW_HWNDNEXT))
+        {
+            GetWindowRect( ctrl, &rc);
+            MapWindowPoints( NULL, hwnd, (LPPOINT) &rc, 2);
+            if( rc.top > rcview.bottom)
+            {
+                /* if it was below the shell view
+                 * move to bottom */
+                DeferWindowPos( hdwp, ctrl, NULL, rc.left, rc.top + chgy,
+                        rc.right - rc.left, rc.bottom - rc.top,
+                        SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOZORDER);
+            }
+            else if( rc.left > rcview.right)
+            {
+                /* if it was to the right of the shell view
+                 * move to right */
+                DeferWindowPos( hdwp, ctrl, NULL, rc.left + chgx, rc.top,
+                        rc.right - rc.left, rc.bottom - rc.top,
+                        SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOZORDER);
+            }
+        }
+    }
+    EndDeferWindowPos( hdwp);
+    /* should not be needed */
+    RedrawWindow( hwnd, NULL, 0, RDW_ALLCHILDREN | RDW_INVALIDATE );
+    return TRUE;
+}
+
+/***********************************************************************
  *          FileOpenDlgProc95
  *
  * File open dialog procedure
@@ -994,6 +1119,9 @@ INT_PTR CALLBACK FileOpenDlgProc95(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM l
     case WM_INITDIALOG:
       {
          FileOpenDlgInfos * fodInfos = (FileOpenDlgInfos *)lParam;
+         RECT rc;
+         int gripx = GetSystemMetrics( SM_CYHSCROLL);
+         int gripy = GetSystemMetrics( SM_CYVSCROLL);
 
 	 /* Adds the FileOpenDlgInfos in the property list of the dialog
             so it will be easily accessible through a GetPropA(...) */
@@ -1001,17 +1129,46 @@ INT_PTR CALLBACK FileOpenDlgProc95(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM l
 
          FILEDLG95_InitControls(hwnd);
 
+         if (fodInfos->ofnInfos->Flags & OFN_ENABLESIZING)
+         {
+             GetWindowRect( hwnd, &rc);
+             fodInfos->DlgInfos.hwndGrip =
+                 CreateWindowExA( 0, "SCROLLBAR", NULL,
+                     WS_CHILD | WS_GROUP | WS_VISIBLE | WS_CLIPSIBLINGS |
+                     SBS_SIZEGRIP | SBS_SIZEBOXBOTTOMRIGHTALIGN,
+                     rc.right - gripx, rc.bottom - gripy,
+                     gripx, gripy, hwnd, (HMENU) -1, COMDLG32_hInstance, NULL);
+         }
+
       	 fodInfos->DlgInfos.hwndCustomDlg =
      	   CreateTemplateDialog((FileOpenDlgInfos *)lParam, hwnd);
 
          FILEDLG95_ResizeControls(hwnd, wParam, lParam);
       	 FILEDLG95_FillControls(hwnd, wParam, lParam);
 
+         if (fodInfos->ofnInfos->Flags & OFN_ENABLESIZING)
+         {
+             GetWindowRect( hwnd, &rc);
+             /* FIXME: should remember sizes of last invocation */
+             fodInfos->sizedlg.cx = rc.right - rc.left;
+             fodInfos->sizedlg.cy = rc.bottom - rc.top;
+             fodInfos->initial_size.x = fodInfos->sizedlg.cx;
+             fodInfos->initial_size.y = fodInfos->sizedlg.cy;
+             GetClientRect( hwnd, &rc);
+             SetWindowPos( fodInfos->DlgInfos.hwndGrip, NULL,
+                     rc.right - gripx, rc.bottom - gripy,
+                     0, 0, SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOZORDER);
+         }
+
          SendCustomDlgNotificationMessage(hwnd,CDN_INITDONE);
          SendCustomDlgNotificationMessage(hwnd,CDN_FOLDERCHANGE);
          SendCustomDlgNotificationMessage(hwnd,CDN_SELCHANGE);
          return 0;
        }
+    case WM_SIZE:
+      return FILEDLG95_OnWMSize(hwnd, wParam, lParam);
+    case WM_GETMINMAXINFO:
+      return FILEDLG95_OnWMGetMMI( hwnd, (LPMINMAXINFO)lParam);
     case WM_COMMAND:
       return FILEDLG95_OnWMCommand(hwnd, wParam, lParam);
     case WM_DRAWITEM:

dlls/comdlg32/filedlgbrowser.h

@@ -58,6 +58,8 @@ typedef struct
     LPCWSTR defext;
     LPCWSTR filter;
     LPCWSTR customfilter;
+    SIZE sizedlg; /* remember the size of the dialog */
+    POINT initial_size; /* remember the initial size of the dialog */
     struct {
         IShellBrowser *FOIShellBrowser;
         IShellFolder *FOIShellFolder;
@@ -78,6 +80,7 @@ typedef struct
         HWND hwndLookInCB;
         HWND hwndFileName;
 	HWND hwndTB;
+	HWND hwndGrip;
         HWND hwndCustomDlg;
 	DWORD dwDlgProp;
     } DlgInfos;