]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/button.cpp
No real changes, just use ProgID term instead of incorrect CLSID.
[wxWidgets.git] / src / msw / button.cpp
index 6be8b813b33936274d74708f7bd253535a57af50..9d7fa154a70b631f185d4f09d2c0f0928b7f27ea 100644 (file)
     #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"
 #include "wx/msw/private/dc.h"
+#include "wx/private/window.h"
+#include "wx/msw/missing.h"
 
 using namespace wxMSWImpl;
 
@@ -102,6 +104,12 @@ using namespace wxMSWImpl;
     #define DT_HIDEPREFIX       0x00100000
 #endif
 
+// set the value for BCM_SETSHIELD (for the UAC shield) if it's not defined in
+// the header
+#ifndef BCM_SETSHIELD
+    #define BCM_SETSHIELD       0x160c
+#endif
+
 // ----------------------------------------------------------------------------
 // button image data
 // ----------------------------------------------------------------------------
@@ -432,7 +440,9 @@ void wxMSWButton::UpdateMultilineStyle(HWND hwnd, const wxString& label)
         ::SetWindowLong(hwnd, GWL_STYLE, styleNew);
 }
 
-wxSize wxMSWButton::GetFittingSize(wxWindow *win, const wxSize& sizeLabel)
+wxSize wxMSWButton::GetFittingSize(wxWindow *win,
+                                   const wxSize& sizeLabel,
+                                   int flags)
 {
     // FIXME: this is pure guesswork, need to retrieve the real button margins
     wxSize sizeBtn = sizeLabel;
@@ -440,24 +450,31 @@ wxSize wxMSWButton::GetFittingSize(wxWindow *win, const wxSize& sizeLabel)
     sizeBtn.x += 3*win->GetCharWidth();
     sizeBtn.y = 11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(sizeLabel.y)/10;
 
+    // account for the shield UAC icon if we have it
+    if ( flags & Size_AuthNeeded )
+        sizeBtn.x += wxSystemSettings::GetMetric(wxSYS_SMALLICON_X);
+
     return sizeBtn;
 }
 
-wxSize wxMSWButton::ComputeBestSize(wxControl *btn)
+wxSize wxMSWButton::ComputeBestSize(wxControl *btn, int flags)
 {
     wxClientDC dc(btn);
 
     wxSize sizeBtn;
     dc.GetMultiLineTextExtent(btn->GetLabelText(), &sizeBtn.x, &sizeBtn.y);
 
-    sizeBtn = GetFittingSize(btn, sizeBtn);
+    sizeBtn = GetFittingSize(btn, sizeBtn, flags);
 
     // all buttons have at least the standard size unless the user explicitly
     // wants them to be of smaller size and used wxBU_EXACTFIT style when
     // creating the button
     if ( !btn->HasFlag(wxBU_EXACTFIT) )
     {
-        wxSize sizeDef = wxButton::GetDefaultSize();
+        // The size of a standard button in the dialog units is 50x14, use it.
+        // Note that we intentionally don't use GetDefaultSize() here, because
+        // it's inexact -- dialog units depend on this dialog's font.
+        wxSize sizeDef = btn->ConvertDialogToPixels(wxSize(50, 14));
         if ( sizeBtn.x < sizeDef.x )
             sizeBtn.x = sizeDef.x;
         if ( sizeBtn.y < sizeDef.y )
@@ -482,6 +499,8 @@ bool wxButton::Create(wxWindow *parent,
                       const wxValidator& validator,
                       const wxString& name)
 {
+    m_authNeeded = false;
+
     wxString label(lbl);
     if (label.empty() && wxIsStockID(id))
     {
@@ -570,76 +589,90 @@ void wxButton::SetLabel(const wxString& label)
 // size management including autosizing
 // ----------------------------------------------------------------------------
 
-wxSize wxButton::DoGetBestSize() const
+void wxButton::AdjustForBitmapSize(wxSize &size) const
 {
-    wxSize size;
+    if ( !m_imageData )
+        return;
 
-    // account for the text part
-    if ( ShowsLabel() )
+    // account for the bitmap size
+    const wxSize sizeBmp = m_imageData->GetBitmap(State_Normal).GetSize();
+    const wxDirection dirBmp = m_imageData->GetBitmapPosition();
+    if ( dirBmp == wxLEFT || dirBmp == wxRIGHT )
     {
-        size = wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this));
+        size.x += sizeBmp.x;
+        if ( sizeBmp.y > size.y )
+            size.y = sizeBmp.y;
+    }
+    else // bitmap on top/below the text
+    {
+        size.y += sizeBmp.y;
+        if ( sizeBmp.x > size.x )
+            size.x = sizeBmp.x;
     }
 
-    if ( m_imageData )
+    // account for the user-specified margins
+    size += 2*m_imageData->GetBitmapMargins();
+
+    // 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) )
     {
-        // account for the bitmap size
-        const wxSize sizeBmp = m_imageData->GetBitmap(State_Normal).GetSize();
-        const wxDirection dirBmp = m_imageData->GetBitmapPosition();
-        if ( dirBmp == wxLEFT || dirBmp == wxRIGHT )
+        int marginH = 0,
+            marginV = 0;
+#if wxUSE_UXTHEME
+        if ( wxUxThemeEngine::GetIfActive() )
         {
-            size.x += sizeBmp.x;
-            if ( sizeBmp.y > size.y )
-                size.y = sizeBmp.y;
+            wxUxThemeHandle theme(const_cast<wxButton *>(this), L"BUTTON");
+
+            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));
+
+            marginH = margins.cxLeftWidth + margins.cxRightWidth
+                        + 2*XP_BUTTON_EXTRA_MARGIN;
+            marginV = margins.cyTopHeight + margins.cyBottomHeight
+                        + 2*XP_BUTTON_EXTRA_MARGIN;
         }
-        else // bitmap on top/below the text
+        else
+#endif // wxUSE_UXTHEME
         {
-            size.y += sizeBmp.y;
-            if ( sizeBmp.x > size.x )
-                size.x = sizeBmp.x;
+            marginH =
+            marginV = OD_BUTTON_MARGIN;
         }
 
-        // account for the user-specified margins
-        size += 2*m_imageData->GetBitmapMargins();
+        size.IncBy(marginH, marginV);
+    }
+}
 
-        // 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) )
-        {
-            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);
-
-                // 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));
-
-                marginH = margins.cxLeftWidth + margins.cxRightWidth
-                            + 2*XP_BUTTON_EXTRA_MARGIN;
-                marginV = margins.cyTopHeight + margins.cyBottomHeight
-                            + 2*XP_BUTTON_EXTRA_MARGIN;
-            }
-            else
-#endif // wxUSE_UXTHEME
-            {
-                marginH =
-                marginV = OD_BUTTON_MARGIN;
-            }
+wxSize wxButton::DoGetBestSize() const
+{
+    wxSize size;
 
-            size.IncBy(marginH, marginV);
-        }
+    // 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 )
+    {
+        int flags = 0;
+        if ( GetAuthNeeded() )
+            flags |= wxMSWButton::Size_AuthNeeded;
+
+        size = wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this), flags);
+    }
+
+    if ( m_imageData )
+    {
+        AdjustForBitmapSize(size);
 
         CacheBestSize(size);
     }
@@ -657,16 +690,20 @@ wxSize wxButtonBase::GetDefaultSize()
         wxScreenDC dc;
         dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 
-        // the size of a standard button in the dialog units is 50x14,
-        // translate this to pixels
-        // NB1: the multipliers come from the Windows convention
-        // NB2: the extra +1/+2 were needed to get the size be the same as the
-        //      size of the buttons in the standard dialog - I don't know how
-        //      this happens, but on my system this size is 75x23 in pixels and
-        //      23*8 isn't even divisible by 14... Would be nice to understand
-        //      why these constants are needed though!
-        s_sizeBtn.x = (50 * (dc.GetCharWidth() + 1))/4;
-        s_sizeBtn.y = ((14 * dc.GetCharHeight()) + 2)/8;
+        // The size of a standard button in the dialog units is 50x14,
+        // translate this to pixels.
+        //
+        // Windows' computes dialog units using average character width over
+        // upper- and lower-case ASCII alphabet and not using the average
+        // character width metadata stored in the font; see
+        // http://support.microsoft.com/default.aspx/kb/145994 for detailed
+        // discussion.
+        //
+        // NB: wxMulDivInt32() is used, because it correctly rounds the result
+
+        const wxSize base = wxPrivate::GetAverageASCIILetterSize(dc);
+        s_sizeBtn.x = wxMulDivInt32(50, base.x, 4);
+        s_sizeBtn.y = wxMulDivInt32(14, base.y, 8);
     }
 
     return s_sizeBtn;
@@ -926,7 +963,7 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 #if wxUSE_UXTHEME
                 wxUxThemeEngine::GetIfActive() ||
 #endif // wxUSE_UXTHEME
-                m_imageData && m_imageData->GetBitmap(State_Current).IsOk()
+                 (m_imageData && m_imageData->GetBitmap(State_Current).IsOk())
                 )
            )
         {
@@ -938,6 +975,26 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 }
 
+// ----------------------------------------------------------------------------
+// authentication needed handling
+// ----------------------------------------------------------------------------
+
+bool wxButton::DoGetAuthNeeded() const
+{
+    return m_authNeeded;
+}
+
+void wxButton::DoSetAuthNeeded(bool show)
+{
+    // show/hide UAC symbol on Windows Vista and later
+    if ( wxGetWinVersion() >= wxWinVersion_6 )
+    {
+        m_authNeeded = show;
+        ::SendMessage(GetHwnd(), BCM_SETSHIELD, 0, show);
+        InvalidateBestSize();
+    }
+}
+
 // ----------------------------------------------------------------------------
 // button images
 // ----------------------------------------------------------------------------
@@ -992,6 +1049,7 @@ void wxButton::DoSetBitmapMargins(wxCoord x, wxCoord y)
     wxCHECK_RET( m_imageData, "SetBitmap() must be called first" );
 
     m_imageData->SetBitmapMargins(x, y);
+    InvalidateBestSize();
 }
 
 void wxButton::DoSetBitmapPosition(wxDirection dir)
@@ -999,6 +1057,7 @@ void wxButton::DoSetBitmapPosition(wxDirection dir)
     wxCHECK_RET( m_imageData, "SetBitmap() must be called first" );
 
     m_imageData->SetBitmapPosition(dir);
+    InvalidateBestSize();
 }
 
 // ----------------------------------------------------------------------------
@@ -1341,33 +1400,38 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
         // for simplicity, we start with centred rectangle and then move it to
         // the appropriate edge
         wxRect rectBitmap = wxRect(sizeBmp).CentreIn(rectButton);
-        switch ( m_imageData->GetBitmapPosition() )
-        {
-            default:
-                wxFAIL_MSG( "invalid direction" );
-                // fall through
-
-            case wxLEFT:
-                rectBitmap.x = rectButton.x + margin.x;
-                rectButton.x += sizeBmpWithMargins.x;
-                rectButton.width -= sizeBmpWithMargins.x;
-                break;
-
-            case wxRIGHT:
-                rectBitmap.x = rectButton.GetRight() - sizeBmp.x - margin.x;
-                rectButton.width -= sizeBmpWithMargins.x;
-                break;
 
-            case wxTOP:
-                rectBitmap.y = rectButton.y + margin.y;
-                rectButton.y += sizeBmpWithMargins.y;
-                rectButton.height -= sizeBmpWithMargins.y;
-                break;
-
-            case wxBOTTOM:
-                rectBitmap.y = rectButton.GetBottom() - sizeBmp.y - margin.y;
-                rectButton.height -= sizeBmpWithMargins.y;
-                break;
+        // move bitmap only if we have a label, otherwise keep it centered
+        if ( ShowsLabel() )
+        {
+            switch ( m_imageData->GetBitmapPosition() )
+            {
+                default:
+                    wxFAIL_MSG( "invalid direction" );
+                    // fall through
+
+                case wxLEFT:
+                    rectBitmap.x = rectButton.x + margin.x;
+                    rectButton.x += sizeBmpWithMargins.x;
+                    rectButton.width -= sizeBmpWithMargins.x;
+                    break;
+
+                case wxRIGHT:
+                    rectBitmap.x = rectButton.GetRight() - sizeBmp.x - margin.x;
+                    rectButton.width -= sizeBmpWithMargins.x;
+                    break;
+
+                case wxTOP:
+                    rectBitmap.y = rectButton.y + margin.y;
+                    rectButton.y += sizeBmpWithMargins.y;
+                    rectButton.height -= sizeBmpWithMargins.y;
+                    break;
+
+                case wxBOTTOM:
+                    rectBitmap.y = rectButton.GetBottom() - sizeBmp.y - margin.y;
+                    rectButton.height -= sizeBmpWithMargins.y;
+                    break;
+            }
         }
 
         wxDCTemp dst((WXHDC)hdc);