1. wxWindow::Centre() hopefully fixed

[wxWidgets.git] / src / msw / window.cpp

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index dd54ee8e9b469e6a5d1608c7d716c7ddd94267f0..5e17c7e732152c378f119ea5db55061e424c233d 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -31,6 +31,7 @@
 #ifndef WX_PRECOMP
     #include <windows.h>
     #include "wx/msw/winundef.h"
+    #include "wx/window.h"
     #include "wx/accel.h"
     #include "wx/setup.h"
     #include "wx/menu.h"
@@ -296,7 +297,8 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 {
     wxCHECK_MSG( parent, FALSE, _T("can't create wxWindow without parent") );
 
-    CreateBase(parent, id, pos, size, style, name);
+    if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
+        return FALSE;
 
     parent->AddChild(this);
 
@@ -855,7 +857,8 @@ WXDWORD wxWindow::MakeExtendedStyle(long style, bool eliminateBorders)
 // Determines whether native 3D effects or CTL3D should be used,
 // applying a default border style if required, and returning an extended
 // style to pass to CreateWindowEx.
-WXDWORD wxWindow::Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D)
+WXDWORD wxWindow::Determine3DEffects(WXDWORD defaultBorderStyle,
+                                     bool *want3D) const
 {
     // If matches certain criteria, then assume no 3D effects
     // unless specifically requested (dealt with in MakeExtendedStyle)
@@ -1112,12 +1115,9 @@ void wxWindow::DoGetPosition(int *x, int *y) const
 
         // We may be faking the client origin. So a window that's really at (0,
         // 30) may appear (to wxWin apps) to be at (0, 0).
-        if ( parent )
-        {
-            wxPoint pt(parent->GetClientAreaOrigin());
-            point.x -= pt.x;
-            point.y -= pt.y;
-        }
+        wxPoint pt(parent->GetClientAreaOrigin());
+        point.x -= pt.x;
+        point.y -= pt.y;
     }
 
     if ( x )
@@ -1172,35 +1172,80 @@ void wxWindow::DoGetClientSize(int *x, int *y) const
         *y = rect.bottom;
 }
 
+// set the size of the window: if the dimensions are positive, just use them,
+// but if any of them is equal to -1, it means that we must find the value for
+// it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
+// which case -1 is a valid value for x and y)
+//
+// If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
+// the width/height to best suit our contents, otherwise we reuse the current
+// width/height
 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
+    // get the current size and position...
     int currentX, currentY;
     GetPosition(&currentX, &currentY);
     int currentW,currentH;
     GetSize(&currentW, &currentH);
 
-    if ( x == currentX && y == currentY && width == currentW && height == currentH )
+    // ... and don't do anything (avoiding flicker) if it's already ok
+    if ( x == currentX && y == currentY &&
+         width == currentW && height == currentH )
+    {
         return;
+    }
 
-    int actualWidth = width;
-    int actualHeight = height;
-    int actualX = x;
-    int actualY = y;
     if ( x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
-        actualX = currentX;
+        x = currentX;
     if ( y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
-        actualY = currentY;
+        y = currentY;
 
-    AdjustForParentClientOrigin(actualX, actualY, sizeFlags);
+    AdjustForParentClientOrigin(x, y, sizeFlags);
 
+    wxSize size(-1, -1);
     if ( width == -1 )
-        actualWidth = currentW;
+    {
+        if ( sizeFlags && wxSIZE_AUTO_WIDTH )
+        {
+            size = DoGetBestSize();
+            width = size.x;
+        }
+        else
+        {
+            // just take the current one
+            width = currentW;
+        }
+    }
+
     if ( height == -1 )
-        actualHeight = currentH;
+    {
+        if ( sizeFlags && wxSIZE_AUTO_HEIGHT )
+        {
+            if ( size.x == -1 )
+            {
+                size= DoGetBestSize();
+            }
+            //else: already called DoGetBestSize() above
 
-    HWND hWnd = GetHwnd();
-    if ( hWnd )
-        MoveWindow(hWnd, actualX, actualY, actualWidth, actualHeight, (BOOL)TRUE);
+            height = size.y;
+        }
+        else
+        {
+            // just take the current one
+            height = currentH;
+        }
+    }
+
+    if ( !::MoveWindow(GetHwnd(), x, y, width, height, TRUE) )
+    {
+        wxLogLastError("MoveWindow");
+    }
+}
+
+// for a generic window there is no natural best size - just use the current one
+wxSize wxWindow::DoGetBestSize()
+{
+    return GetSize();
 }
 
 void wxWindow::DoSetClientSize(int width, int height)
@@ -1316,7 +1361,7 @@ void wxWindow::GetTextExtent(const wxString& string,
 
     SIZE sizeRect;
     TEXTMETRIC tm;
-    GetTextExtentPoint(dc, (const wxChar *)string, (int)string.Length(), &sizeRect);
+    GetTextExtentPoint(dc, string, (int)string.Length(), &sizeRect);
     GetTextMetrics(dc, &tm);
 
     if ( fontToUse && fnt && hfontOld )
@@ -1324,10 +1369,14 @@ void wxWindow::GetTextExtent(const wxString& string,
 
     ReleaseDC(hWnd, dc);
 
-    if ( x ) *x = sizeRect.cx;
-    if ( y ) *y = sizeRect.cy;
-    if ( descent ) *descent = tm.tmDescent;
-    if ( externalLeading ) *externalLeading = tm.tmExternalLeading;
+    if ( x )
+        *x = sizeRect.cx;
+    if ( y )
+        *y = sizeRect.cy;
+    if ( descent )
+        *descent = tm.tmDescent;
+    if ( externalLeading )
+        *externalLeading = tm.tmExternalLeading;
 }
 
 #if wxUSE_CARET && WXWIN_COMPATIBILITY
@@ -1376,7 +1425,7 @@ void wxWindow::GetCaretPos(int *x, int *y) const
 // popup menu
 // ---------------------------------------------------------------------------
 
-bool wxWindow::PopupMenu(wxMenu *menu, int x, int y)
+bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 {
     menu->SetInvokingWindow(this);
     menu->UpdateUI();
@@ -1494,7 +1543,7 @@ bool wxWindow::MSWProcessMessage(WXMSG* pMsg)
                                 btn = panel->GetDefaultItem();
                             }
 
-                            if ( btn )
+                            if ( btn && btn->IsEnabled() )
                             {
                                 // if we do have a default button, do press it
                                 btn->MSWCommand(BN_CLICKED, 0 /* unused */);
@@ -1782,8 +1831,8 @@ long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
         case WM_MBUTTONUP:
         case WM_MBUTTONDBLCLK:
             {
-                int x = LOWORD(lParam);
-                int y = HIWORD(lParam);
+                short x = LOWORD(lParam);
+                short y = HIWORD(lParam);
 
                 processed = HandleMouseEvent(message, x, y, wParam);
             }
@@ -2206,6 +2255,12 @@ bool wxWindow::MSWCreate(int id,
         if ( style & WS_CHILD )
             controlId = id;
 
+        wxString className(wclass);
+        if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE )
+        {
+            className += _T("NR");
+        }
+
         m_hWnd = (WXHWND)CreateWindowEx(extendedStyle,
                                         wclass,
                                         title ? title : _T(""),
@@ -3265,8 +3320,11 @@ void wxGetCharSize(WXHWND wnd, int *x, int *y,wxFont *the_font)
         SelectObject(dc,was);
     }
     ReleaseDC((HWND)wnd, dc);
-    *x = tm.tmAveCharWidth;
-    *y = tm.tmHeight + tm.tmExternalLeading;
+
+    if ( x )
+        *x = tm.tmAveCharWidth;
+    if ( y )
+        *y = tm.tmHeight + tm.tmExternalLeading;
 
     //  if ( the_font )
     //    the_font->ReleaseResource();