preserve type when loaded image is rescaled, #11543

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

diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp
index 07b6e67c9fa4e35c66285dbb7c006ce34a10a1b2..18abded0440ba9160111de6177d57f246037d2a9 100644 (file)
--- a/src/msw/statbox.cpp
+++ b/src/msw/statbox.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        msw/statbox.cpp
+// Name:        src/msw/statbox.cpp

 // Purpose:     wxStaticBox
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     wxStaticBox
 // Author:      Julian Smart
 // Modified by:


@@ -26,21 +26,29 @@
 
 #if wxUSE_STATBOX
 
 
 #if wxUSE_STATBOX
 

+#include "wx/statbox.h"
+

 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/dcclient.h"
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/dcclient.h"

+    #include "wx/dcmemory.h"
+    #include "wx/image.h"

 #endif
 
 #endif
 

-#include "wx/statbox.h"

 #include "wx/notebook.h"
 #include "wx/sysopt.h"
 #include "wx/notebook.h"
 #include "wx/sysopt.h"

-#include "wx/image.h"
-#include "wx/dcmemory.h"
-#include "wx/sysopt.h"

 
 #include "wx/msw/uxtheme.h"
 #include "wx/msw/private.h"
 #include "wx/msw/missing.h"
 
 #include "wx/msw/uxtheme.h"
 #include "wx/msw/private.h"
 #include "wx/msw/missing.h"

+#include "wx/msw/dc.h"
+
+// the values coincide with those in tmschema.h
+#define BP_GROUPBOX 4
+
+#define GBS_NORMAL 1
+
+#define TMT_FONT 210

 
 // ----------------------------------------------------------------------------
 // wxWin macros
 
 // ----------------------------------------------------------------------------
 // wxWin macros


@@ -120,6 +128,9 @@ bool wxStaticBox::Create(wxWindow *parent,
     if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
         return false;
 
     if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
         return false;
 

+    // Always use LTR layout. Otherwise, the label would be mirrored.
+    SetLayoutDirection(wxLayout_LeftToRight);
+

 #ifndef __WXWINCE__
     if (!wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint")))
         Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint));
 #ifndef __WXWINCE__
     if (!wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint")))
         Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint));


@@ -128,11 +139,6 @@ bool wxStaticBox::Create(wxWindow *parent,
     return true;
 }
 
     return true;
 }
 

-wxBorder wxStaticBox::GetDefaultBorder() const
-{
-    return wxBORDER_NONE;
-}
-

 WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle);
 WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle);


@@ -151,7 +157,15 @@ WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const
             *exstyle = 0;
     }
 
             *exstyle = 0;
     }
 

-    return styleWin | BS_GROUPBOX;
+    styleWin |= BS_GROUPBOX;
+
+    if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+    {
+        // Make sure label is on the right
+        styleWin |= BS_RIGHT;
+    }
+
+    return styleWin;

 }
 
 wxSize wxStaticBox::DoGetBestSize() const
 }
 
 wxSize wxStaticBox::DoGetBestSize() const


@@ -160,7 +174,7 @@ wxSize wxStaticBox::DoGetBestSize() const
     wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
 
     int wBox;
     wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
 
     int wBox;

-    GetTextExtent(wxStripMenuCodes(wxGetWindowText(m_hWnd)), &wBox, &cy);
+    GetTextExtent(GetLabelText(wxGetWindowText(m_hWnd)), &wBox, &cy);

 
     wBox += 3*cx;
     int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 
     wBox += 3*cx;
     int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);


@@ -245,7 +259,7 @@ SubtractRectFromRgn(HRGN hrgn, int left, int top, int right, int bottom)
     AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom));
     if ( !hrgnRect )
     {
     AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom));
     if ( !hrgnRect )
     {

-        wxLogLastError(_T("CreateRectRgn()"));
+        wxLogLastError(wxT("CreateRectRgn()"));

         return;
     }
 
         return;
     }
 


@@ -350,7 +364,8 @@ void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc)
     //  3. this is backwards compatible behaviour and some people rely on it,
     //     see http://groups.google.com/groups?selm=4252E932.3080801%40able.es
     wxWindow *parent = GetParent();
     //  3. this is backwards compatible behaviour and some people rely on it,
     //     see http://groups.google.com/groups?selm=4252E932.3080801%40able.es
     wxWindow *parent = GetParent();

-    HBRUSH hbr = (HBRUSH)parent->MSWGetBgBrush(dc.GetHDC(), GetHWND());
+    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+    HBRUSH hbr = (HBRUSH)parent->MSWGetBgBrush(impl->GetHDC(), GetHWND());

 
     // if there is no special brush for painting this control, just use the
     // solid background colour
 
     // if there is no special brush for painting this control, just use the
     // solid background colour


@@ -361,12 +376,13 @@ void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc)
         hbr = GetHbrushOf(brush);
     }
 
         hbr = GetHbrushOf(brush);
     }
 

-    ::FillRect(GetHdcOf(dc), &rc, hbr);
+    ::FillRect(GetHdcOf(*impl), &rc, hbr);

 }
 
 }
 

-void wxStaticBox::PaintForeground(wxDC& dc, const RECT& WXUNUSED(rc))
+void wxStaticBox::PaintForeground(wxDC& dc, const RECT& rc)

 {
 {

-    MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(dc), 0);
+    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+    MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(*impl), 0);

 
     // when using XP themes, neither setting the text colour nor transparent
     // background mode doesn't change anything: the static box def window proc
 
     // when using XP themes, neither setting the text colour nor transparent
     // background mode doesn't change anything: the static box def window proc


@@ -375,21 +391,123 @@ void wxStaticBox::PaintForeground(wxDC& dc, const RECT& WXUNUSED(rc))
     if ( m_hasFgCol && wxUxThemeEngine::GetIfActive() )
     {
         // draw over the text in default colour in our colour
     if ( m_hasFgCol && wxUxThemeEngine::GetIfActive() )
     {
         // draw over the text in default colour in our colour

-        dc.SetFont(GetFont());
-
-        HDC hdc = GetHdcOf(dc);
+        HDC hdc = GetHdcOf(*impl);

         ::SetTextColor(hdc, GetForegroundColour().GetPixel());
 
         ::SetTextColor(hdc, GetForegroundColour().GetPixel());
 

+        const bool rtl = wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft;
+        if ( rtl )
+            ::SetTextAlign(hdc, TA_RTLREADING | TA_RIGHT);
+
+        // Get dimensions of the label
+        const wxString label = GetLabel();
+
+        // choose the correct font
+        AutoHFONT font;
+        SelectInHDC selFont;
+        if ( m_hasFont )
+        {
+            selFont.Init(hdc, GetHfontOf(GetFont()));
+        }
+        else // no font set, use the one set by the theme
+        {
+            wxUxThemeHandle hTheme(this, L"BUTTON");
+            if ( hTheme )
+            {
+                // GetThemeFont() expects its parameter to be LOGFONTW and not
+                // LOGFONTA even in ANSI programs and will happily corrupt
+                // memory after the struct end if we pass a LOGFONTA (which is
+                // smaller) to it!
+                LOGFONTW lfw;
+                if ( wxUxThemeEngine::Get()->GetThemeFont
+                                             (
+                                                hTheme,
+                                                hdc,
+                                                BP_GROUPBOX,
+                                                GBS_NORMAL,
+                                                TMT_FONT,
+                                                (LOGFONT *)&lfw
+                                             ) == S_OK )
+                {
+#if wxUSE_UNICODE
+                    // ok, no conversion necessary
+                    const LOGFONT& lf = lfw;
+#else // !wxUSE_UNICODE
+                    // most of the fields are the same in LOGFONTA and LOGFONTW
+                    LOGFONT lf;
+                    memcpy(&lf, &lfw, sizeof(lf));
+
+                    // but the face name must be converted
+                    WideCharToMultiByte(CP_ACP, 0, lfw.lfFaceName, -1,
+                                        lf.lfFaceName, sizeof(lf.lfFaceName),
+                                        NULL, NULL);
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+
+                    font.Init(lf);
+                    if ( font )
+                        selFont.Init(hdc, font);
+                }
+            }
+        }
+
+        // Get the font extent
+        int width, height;
+        dc.GetTextExtent(wxStripMenuCodes(label, wxStrip_Mnemonics),
+                         &width, &height);
+
+        int x;
+        int y = height;
+
+        // first we need to correctly paint the background of the label
+        // as Windows ignores the brush offset when doing it
+        //

         // FIXME: value of x is hardcoded as this is what it is on my system,
         //        no idea if it's true everywhere
         // FIXME: value of x is hardcoded as this is what it is on my system,
         //        no idea if it's true everywhere

-        const int y = dc.GetCharHeight();
-        const int x = 9;
+        RECT dimensions = {0, 0, 0, y};
+        if ( !rtl )
+        {
+            x = 9;
+            dimensions.left = x;
+            dimensions.right = x + width;
+        }
+        else
+        {
+            x = rc.right - 7;
+            dimensions.left = x - width;
+            dimensions.right = x;
+        }

 
 

-        // TODO: RTL?
-        RECT rc = { x, 0, GetSize().x - x, y };
+        // need to adjust the rectangle to cover all the label background
+        dimensions.left -= 2;
+        dimensions.right += 2;
+        dimensions.bottom += 2;

 
 

-        const wxString label = GetLabel();
-        ::DrawText(hdc, label, label.length(), &rc, DT_SINGLELINE | DT_VCENTER);
+        if ( UseBgCol() )
+        {
+            // our own background colour should be used for the background of
+            // the label: this is consistent with the behaviour under pre-XP
+            // systems (i.e. without visual themes) and generally makes sense
+            wxBrush brush = wxBrush(GetBackgroundColour());
+            wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+            ::FillRect(GetHdcOf(*impl), &dimensions, GetHbrushOf(brush));
+        }
+        else // paint parent background
+        {
+            PaintBackground(dc, dimensions);
+        }
+
+        // now draw the text
+        if ( !rtl )
+        {
+            RECT rc2 = { x, 0, x + width, y };
+            ::DrawText(hdc, label.wx_str(), label.length(), &rc2,
+                       DT_SINGLELINE | DT_VCENTER);
+        }
+        else // RTL
+        {
+            RECT rc2 = { x, 0, x - width, y };
+            ::DrawText(hdc, label.wx_str(), label.length(), &rc2,
+                       DT_SINGLELINE | DT_VCENTER | DT_RTLREADING);
+        }

     }
 }
 
     }
 }
 


@@ -420,14 +538,16 @@ void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
     dc.Blit(border, 0, rc.right - border, borderTop,
             &memdc, border, 0);
     // bottom
     dc.Blit(border, 0, rc.right - border, borderTop,
             &memdc, border, 0);
     // bottom

-    dc.Blit(border, rc.bottom - border, rc.right - border, rc.bottom,
+    dc.Blit(border, rc.bottom - border, rc.right - border, border,

             &memdc, border, rc.bottom - border);
     // left
     dc.Blit(0, 0, border, rc.bottom,
             &memdc, 0, 0);
             &memdc, border, rc.bottom - border);
     // left
     dc.Blit(0, 0, border, rc.bottom,
             &memdc, 0, 0);

-    // right
-    dc.Blit(rc.right - border, 0, rc.right, rc.bottom,
-            &memdc, rc.right - border, 0);
+    // right (note that upper and bottom right corners were already part of the
+    // first two blits so we shouldn't overwrite them here to avoi flicker)
+    dc.Blit(rc.right - border, borderTop,
+            border, rc.bottom - borderTop - border,
+            &memdc, rc.right - border, borderTop);

 
 
     // create the region excluding box children
 
 
     // create the region excluding box children


@@ -438,7 +558,8 @@ void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
 
     // and also the box itself
     MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom);
 
     // and also the box itself
     MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom);

-    HDCClipper clipToBg(GetHdcOf(dc), hrgn);
+    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+    HDCClipper clipToBg(GetHdcOf(*impl), hrgn);

 
     // paint the inside of the box (excluding box itself and child controls)
     PaintBackground(dc, rc);
 
     // paint the inside of the box (excluding box itself and child controls)
     PaintBackground(dc, rc);


@@ -447,4 +568,3 @@ void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
 #endif // !__WXWINCE__
 
 #endif // wxUSE_STATBOX
 #endif // !__WXWINCE__
 
 #endif // wxUSE_STATBOX

-