]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/button.cpp
Add support for large stdio files for VC 8+. What versions of the other Windows
[wxWidgets.git] / src / msw / button.cpp
index 70edb407a22d70eec9470ce214ee4c063ff18ffa..67494356d6945d474ca012e5e00d19d34b62f29c 100644 (file)
@@ -37,9 +37,9 @@
     #include "wx/dcscreen.h"
     #include "wx/dcclient.h"
     #include "wx/toplevel.h"
-    #include "wx/imaglist.h"
 #endif
 
+#include "wx/imaglist.h"
 #include "wx/stockitem.h"
 #include "wx/msw/private.h"
 #include "wx/msw/private/button.h"
@@ -423,7 +423,7 @@ void wxMSWButton::UpdateMultilineStyle(HWND hwnd, const wxString& label)
     // the control unless it already has new lines in its label)
     long styleOld = ::GetWindowLong(hwnd, GWL_STYLE),
          styleNew;
-    if ( label.find(_T('\n')) != wxString::npos )
+    if ( label.find(wxT('\n')) != wxString::npos )
         styleNew = styleOld | BS_MULTILINE;
     else
         styleNew = styleOld & ~BS_MULTILINE;
@@ -509,7 +509,7 @@ bool wxButton::Create(wxWindow *parent,
     //     value and the label is not set yet when MSWGetStyle() is called
     msStyle |= wxMSWButton::GetMultilineStyle(label);
 
-    return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
+    return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, exstyle);
 }
 
 wxButton::~wxButton()
@@ -574,8 +574,10 @@ wxSize wxButton::DoGetBestSize() const
 {
     wxSize size;
 
-    // account for the text part
-    if ( ShowsLabel() )
+    // account for the text part if we have it or if we don't have any image at
+    // all (buttons initially created with empty label should still have a non
+    // zero size)
+    if ( ShowsLabel() || !m_imageData )
     {
         size = wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this));
     }
@@ -601,42 +603,45 @@ wxSize wxButton::DoGetBestSize() const
         // account for the user-specified margins
         size += 2*m_imageData->GetBitmapMargins();
 
-        // and also for the margins we always add internally
-        int marginH = 0,
-            marginV = 0;
-#if wxUSE_UXTHEME
-        if ( wxUxThemeEngine::GetIfActive() )
+        // and also for the margins we always add internally (unless we have no
+        // border at all in which case the button has exactly the same size as
+        // bitmap and so no margins should be used)
+        if ( !HasFlag(wxBORDER_NONE) )
         {
-            wxUxThemeHandle theme(const_cast<wxButton *>(this), L"BUTTON");
+            int marginH = 0,
+                marginV = 0;
+#if wxUSE_UXTHEME
+            if ( wxUxThemeEngine::GetIfActive() )
+            {
+                wxUxThemeHandle theme(const_cast<wxButton *>(this), L"BUTTON");
 
-            MARGINS margins;
-            wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
-                                                    BP_PUSHBUTTON, PBS_NORMAL,
-                                                    TMT_CONTENTMARGINS, NULL,
-                                                    &margins);
+                MARGINS margins;
+                wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
+                                                        BP_PUSHBUTTON,
+                                                        PBS_NORMAL,
+                                                        TMT_CONTENTMARGINS,
+                                                        NULL,
+                                                        &margins);
 
-            // XP doesn't draw themed buttons correctly when the client area is
-            // smaller than 8x8 - enforce this minimum size for small bitmaps
-            size.IncTo(wxSize(8, 8));
+                // XP doesn't draw themed buttons correctly when the client
+                // area is smaller than 8x8 - enforce this minimum size for
+                // small bitmaps
+                size.IncTo(wxSize(8, 8));
 
-            // don't add margins for the borderless buttons, they don't need
-            // them and it just makes them appear larger than needed
-            if ( !HasFlag(wxBORDER_NONE) )
-            {
                 marginH = margins.cxLeftWidth + margins.cxRightWidth
                             + 2*XP_BUTTON_EXTRA_MARGIN;
                 marginV = margins.cyTopHeight + margins.cyBottomHeight
                             + 2*XP_BUTTON_EXTRA_MARGIN;
             }
-        }
-        else
+            else
 #endif // wxUSE_UXTHEME
-        {
-            marginH =
-            marginV = OD_BUTTON_MARGIN;
-        }
+            {
+                marginH =
+                marginV = OD_BUTTON_MARGIN;
+            }
 
-        size.IncBy(marginH, marginV);
+            size.IncBy(marginH, marginV);
+        }
 
         CacheBestSize(size);
     }
@@ -674,6 +679,14 @@ wxSize wxButtonBase::GetDefaultSize()
 // ----------------------------------------------------------------------------
 
 /*
+   The comment below and all this code is probably due to not using WM_NEXTDLGCTL
+   message when changing focus (but just SetFocus() which is not enough), see
+   http://blogs.msdn.com/oldnewthing/archive/2004/08/02/205624.aspx for the
+   full explanation.
+
+   TODO: Do use WM_NEXTDLGCTL and get rid of all this code.
+
+
    "Everything you ever wanted to know about the default buttons" or "Why do we
    have to do all this?"
 
@@ -740,10 +753,10 @@ static wxTopLevelWindow *GetTLWParentIfNotBeingDeleted(wxWindow *win)
         win = parent;
     }
 
-    wxASSERT_MSG( win, _T("button without top level parent?") );
+    wxASSERT_MSG( win, wxT("button without top level parent?") );
 
     wxTopLevelWindow * const tlw = wxDynamicCast(win, wxTopLevelWindow);
-    wxASSERT_MSG( tlw, _T("logic error in GetTLWParentIfNotBeingDeleted()") );
+    wxASSERT_MSG( tlw, wxT("logic error in GetTLWParentIfNotBeingDeleted()") );
 
     return tlw;
 }
@@ -795,7 +808,7 @@ wxButton::SetDefaultStyle(wxButton *btn, bool on)
             return;
 
         wxWindow * const tlw = wxGetTopLevelParent(btn);
-        wxCHECK_RET( tlw, _T("button without top level window?") );
+        wxCHECK_RET( tlw, wxT("button without top level window?") );
 
         ::SendMessage(GetHwndOf(tlw), DM_SETDEFID, btn->GetId(), 0L);
 
@@ -956,16 +969,18 @@ void wxButton::DoSetBitmap(const wxBitmap& bitmap, State which)
             m_imageData = new wxODButtonImageData(this, bitmap);
             MakeOwnerDrawn();
         }
-
-        // if a bitmap was assigned to the bitmap, its best size must be
-        // changed to account for it
-        InvalidateBestSize();
     }
     else
     {
         m_imageData->SetBitmap(bitmap, which);
     }
 
+    // it should be enough to only invalidate the best size when the normal
+    // bitmap changes as all bitmaps assigned to the button should be of the
+    // same size anyhow
+    if ( which == State_Normal )
+        InvalidateBestSize();
+
     Refresh();
 }
 
@@ -1027,7 +1042,7 @@ void DrawButtonText(HDC hdc,
     // center text horizontally in any case
     flags |= DT_CENTER;
 
-    if ( text.find(_T('\n')) != wxString::npos )
+    if ( text.find(wxT('\n')) != wxString::npos )
     {
         // draw multiline label
 
@@ -1263,48 +1278,51 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
     CopyRect(&rectBtn, &lpDIS->rcItem);
 
     // draw the button background
-#if wxUSE_UXTHEME
-    if ( wxUxThemeEngine::GetIfActive() )
+    if ( !HasFlag(wxBORDER_NONE) )
     {
-        DrawXPBackground(this, hdc, rectBtn, state);
-    }
-    else
+#if wxUSE_UXTHEME
+        if ( wxUxThemeEngine::GetIfActive() )
+        {
+            DrawXPBackground(this, hdc, rectBtn, state);
+        }
+        else
 #endif // wxUSE_UXTHEME
-    {
-        COLORREF colBg = wxColourToRGB(GetBackgroundColour());
+        {
+            COLORREF colBg = wxColourToRGB(GetBackgroundColour());
 
-        // first, draw the background
-        AutoHBRUSH hbrushBackground(colBg);
-        FillRect(hdc, &rectBtn, hbrushBackground);
+            // first, draw the background
+            AutoHBRUSH hbrushBackground(colBg);
+            FillRect(hdc, &rectBtn, hbrushBackground);
 
-        // draw the border for the current state
-        bool selected = (state & ODS_SELECTED) != 0;
-        if ( !selected )
-        {
-            wxTopLevelWindow *
-                tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
-            if ( tlw )
+            // draw the border for the current state
+            bool selected = (state & ODS_SELECTED) != 0;
+            if ( !selected )
             {
-                selected = tlw->GetDefaultItem() == this;
+                wxTopLevelWindow *
+                    tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+                if ( tlw )
+                {
+                    selected = tlw->GetDefaultItem() == this;
+                }
             }
-        }
 
-        DrawButtonFrame(hdc, rectBtn, selected, pushed);
-    }
+            DrawButtonFrame(hdc, rectBtn, selected, pushed);
+        }
 
-    // draw the focus rectangle if we need it
-    if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
-    {
-        DrawFocusRect(hdc, &rectBtn);
+        // draw the focus rectangle if we need it
+        if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+        {
+            DrawFocusRect(hdc, &rectBtn);
 
 #if wxUSE_UXTHEME
-        if ( !wxUxThemeEngine::GetIfActive() )
+            if ( !wxUxThemeEngine::GetIfActive() )
 #endif // wxUSE_UXTHEME
-        {
-            if ( pushed )
             {
-                // the label is shifted by 1 pixel to create "pushed" effect
-                OffsetRect(&rectBtn, 1, 1);
+                if ( pushed )
+                {
+                    // the label is shifted by 1 pixel to create "pushed" effect
+                    OffsetRect(&rectBtn, 1, 1);
+                }
             }
         }
     }