switching to newer API

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

diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index 422386516934a68d9c7a98db2ca9413d1d604cd5..13f270d4c57f7b8a603ead2f0567774a5e97d09a 100644 (file)
--- a/src/msw/button.cpp
+++ b/src/msw/button.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

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


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "button.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -30,18 +26,52 @@
 
 #if wxUSE_BUTTON
 
 
 #if wxUSE_BUTTON
 

+#include "wx/button.h"
+

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

-    #include "wx/button.h"

     #include "wx/brush.h"
     #include "wx/panel.h"
     #include "wx/bmpbuttn.h"
     #include "wx/settings.h"
     #include "wx/dcscreen.h"
     #include "wx/brush.h"
     #include "wx/panel.h"
     #include "wx/bmpbuttn.h"
     #include "wx/settings.h"
     #include "wx/dcscreen.h"

+    #include "wx/dcclient.h"
+    #include "wx/toplevel.h"

 #endif
 
 #endif
 

+#include "wx/stockitem.h"
+#include "wx/tokenzr.h"

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

+#if wxUSE_UXTHEME
+    #include "wx/msw/uxtheme.h"
+
+    // no need to include tmschema.h
+    #ifndef BP_PUSHBUTTON
+        #define BP_PUSHBUTTON 1
+
+        #define PBS_NORMAL    1
+        #define PBS_HOT       2
+        #define PBS_PRESSED   3
+        #define PBS_DISABLED  4
+        #define PBS_DEFAULTED 5
+
+        #define TMT_CONTENTMARGINS 3602
+    #endif
+#endif // wxUSE_UXTHEME
+
+#ifndef WM_THEMECHANGED
+    #define WM_THEMECHANGED     0x031A
+#endif
+
+#ifndef ODS_NOACCEL
+    #define ODS_NOACCEL         0x0100
+#endif
+
+#ifndef ODS_NOFOCUSRECT
+    #define ODS_NOFOCUSRECT     0x0200
+#endif
+

 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------


@@ -121,13 +151,28 @@ IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
 
 bool wxButton::Create(wxWindow *parent,
                       wxWindowID id,
 
 bool wxButton::Create(wxWindow *parent,
                       wxWindowID id,

-                      const wxString& label,
+                      const wxString& lbl,

                       const wxPoint& pos,
                       const wxSize& size,
                       long style,
                       const wxValidator& validator,
                       const wxString& name)
 {
                       const wxPoint& pos,
                       const wxSize& size,
                       long style,
                       const wxValidator& validator,
                       const wxString& name)
 {

+    wxString label(lbl);
+    if (label.empty() && wxIsStockID(id))
+    {
+        // On Windows, some buttons aren't supposed to have
+        // mnemonics, so strip them out.
+
+        label = wxGetStockLabel(id
+#if defined(__WXMSW__) || defined(__WXWINCE__)
+                                        , ( id != wxID_OK &&
+                                            id != wxID_CANCEL &&
+                                            id != wxID_CLOSE )
+#endif
+                                );
+    }
+

     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return false;
 
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return false;
 


@@ -153,6 +198,11 @@ bool wxButton::Create(wxWindow *parent,
 
 wxButton::~wxButton()
 {
 
 wxButton::~wxButton()
 {

+    wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+    if ( tlw && tlw->GetTmpDefaultItem() == this )
+    {
+        UnsetTmpDefault();
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -199,17 +249,16 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
 
 wxSize wxButton::DoGetBestSize() const
 {
 
 wxSize wxButton::DoGetBestSize() const
 {

-    int wBtn;
-    GetTextExtent(wxGetWindowText(GetHWND()), &wBtn, NULL);
+    wxClientDC dc(wx_const_cast(wxButton *, this));
+    dc.SetFont(GetFont());

 
 

-    int wChar, hChar;
-    wxGetCharSize(GetHWND(), &wChar, &hChar, GetFont());
+    wxCoord wBtn,
+            hBtn;
+    dc.GetMultiLineTextExtent(GetLabelText(), &wBtn, &hBtn);

 
     // add a margin -- the button is wider than just its label
 
     // add a margin -- the button is wider than just its label

-    wBtn += 3*wChar;
-
-    // the button height is proportional to the height of the font used
-    int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar);
+    wBtn += 3*GetCharWidth();
+    hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hBtn);

 
     // 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
 
     // 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


@@ -225,7 +274,9 @@ wxSize wxButton::DoGetBestSize() const
         return sz;
     }
 
         return sz;
     }
 

-    return wxSize(wBtn, hBtn);
+    wxSize best(wBtn, hBtn);
+    CacheBestSize(best);
+    return best;

 }
 
 /* static */
 }
 
 /* static */


@@ -294,12 +345,12 @@ wxSize wxButtonBase::GetDefaultSize()
 // set this button as the (permanently) default one in its panel
 void wxButton::SetDefault()
 {
 // set this button as the (permanently) default one in its panel
 void wxButton::SetDefault()
 {

-    wxWindow *parent = GetParent();
+    wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);

 
 

-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxCHECK_RET( tlw, _T("button without top level window?") );

 
     // set this one as the default button both for wxWidgets ...
 
     // set this one as the default button both for wxWidgets ...

-    wxWindow *winOldDefault = parent->SetDefaultItem(this);
+    wxWindow *winOldDefault = tlw->SetDefaultItem(this);

 
     // ... and Windows
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);
 
     // ... and Windows
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);


@@ -309,12 +360,12 @@ void wxButton::SetDefault()
 // set this button as being currently default
 void wxButton::SetTmpDefault()
 {
 // set this button as being currently default
 void wxButton::SetTmpDefault()
 {

-    wxWindow *parent = GetParent();
+    wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);

 
 

-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxCHECK_RET( tlw, _T("button without top level window?") );

 
 

-    wxWindow *winOldDefault = parent->GetDefaultItem();
-    parent->SetTmpDefaultItem(this);
+    wxWindow *winOldDefault = tlw->GetDefaultItem();
+    tlw->SetTmpDefaultItem(this);

 
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);
     SetDefaultStyle(this, true);
 
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);
     SetDefaultStyle(this, true);


@@ -323,13 +374,13 @@ void wxButton::SetTmpDefault()
 // unset this button as currently default, it may still stay permanent default
 void wxButton::UnsetTmpDefault()
 {
 // unset this button as currently default, it may still stay permanent default
 void wxButton::UnsetTmpDefault()
 {

-    wxWindow *parent = GetParent();
+    wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);

 
 

-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxCHECK_RET( tlw, _T("button without top level window?") );

 
 

-    parent->SetTmpDefaultItem(NULL);
+    tlw->SetTmpDefaultItem(NULL);

 
 

-    wxWindow *winOldDefault = parent->GetDefaultItem();
+    wxWindow *winOldDefault = tlw->GetDefaultItem();

 
     SetDefaultStyle(this, false);
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), true);
 
     SetDefaultStyle(this, false);
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), true);


@@ -352,18 +403,13 @@ wxButton::SetDefaultStyle(wxButton *btn, bool on)
         if ( !wxTheApp->IsActive() )
             return;
 
         if ( !wxTheApp->IsActive() )
             return;
 

-        // look for a panel-like window
-        wxWindow *win = btn->GetParent();
-        while ( win && !win->HasFlag(wxTAB_TRAVERSAL) )
-            win = win->GetParent();
+        wxWindow * const tlw = wxGetTopLevelParent(btn);
+        wxCHECK_RET( tlw, _T("button without top level window?") );

 
 

-        if ( win )
-        {
-            ::SendMessage(GetHwndOf(win), DM_SETDEFID, btn->GetId(), 0L);
+        ::SendMessage(GetHwndOf(tlw), DM_SETDEFID, btn->GetId(), 0L);

 
 

-            // sending DM_SETDEFID also changes the button style to
-            // BS_DEFPUSHBUTTON so there is nothing more to do
-        }
+        // sending DM_SETDEFID also changes the button style to
+        // BS_DEFPUSHBUTTON so there is nothing more to do

     }
 
     // then also change the style as needed
     }
 
     // then also change the style as needed


@@ -458,6 +504,27 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 
         // and continue with processing the message normally as well
     }
 
         // and continue with processing the message normally as well
     }

+#if wxUSE_UXTHEME
+    else if ( nMsg == WM_THEMECHANGED )
+    {
+        // need to recalculate the best size here
+        // as the theme size might have changed
+        InvalidateBestSize();
+    }
+    else if ( wxUxThemeEngine::GetIfActive() )
+    {
+        // we need to Refresh() if mouse has entered or left window
+        // so we can update the hot tracking state
+        // must use m_mouseInWindow here instead of IsMouseInWindow()
+        // since we need to know the first time the mouse enters the window
+        // and IsMouseInWindow() would return true in this case
+        if ( ( nMsg == WM_MOUSEMOVE && !m_mouseInWindow ) ||
+             nMsg == WM_MOUSELEAVE )
+        {
+            Refresh();
+        }
+    }
+#endif // wxUSE_UXTHEME

 
     // let the base class do all real processing
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 
     // let the base class do all real processing
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);


@@ -479,8 +546,31 @@ static void DrawButtonText(HDC hdc,
     COLORREF colOld = SetTextColor(hdc, col);
     int modeOld = SetBkMode(hdc, TRANSPARENT);
 
     COLORREF colOld = SetTextColor(hdc, col);
     int modeOld = SetBkMode(hdc, TRANSPARENT);
 

-    // Note: we must have DT_SINGLELINE for DT_VCENTER to work.
-    ::DrawText(hdc, text, text.length(), pRect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
+    if ( text.find(_T('\n')) != wxString::npos )
+    {
+        // draw multiline label
+
+        // first we need to compute its bounding rect
+        RECT rc;
+        ::CopyRect(&rc, pRect);
+        ::DrawText(hdc, text, text.length(), &rc, DT_CENTER | DT_CALCRECT);
+
+        // now center this rect inside the entire button area
+        const LONG w = rc.right - rc.left;
+        const LONG h = rc.bottom - rc.top;
+        rc.left = (pRect->right - pRect->left)/2 - w/2;
+        rc.right = rc.left+w;
+        rc.top = (pRect->bottom - pRect->top)/2 - h/2;
+        rc.bottom = rc.top+h;
+
+        ::DrawText(hdc, text, text.length(), &rc, DT_CENTER);
+    }
+    else // single line label
+    {
+        // Note: we must have DT_SINGLELINE for DT_VCENTER to work.
+        ::DrawText(hdc, text, text.length(), pRect,
+                   DT_SINGLELINE | DT_CENTER | DT_VCENTER);
+    }

 
     SetBkMode(hdc, modeOld);
     SetTextColor(hdc, colOld);
 
     SetBkMode(hdc, modeOld);
     SetTextColor(hdc, colOld);


@@ -628,62 +718,141 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn,
     DeleteObject(hpenBlack);
 }
 
     DeleteObject(hpenBlack);
 }
 

-bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+#if wxUSE_UXTHEME
+static
+void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)

 {
     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
 {
     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;

-
-    RECT rectBtn;
-    CopyRect(&rectBtn, &lpDIS->rcItem);
-
-    COLORREF colBg = wxColourToRGB(GetBackgroundColour()),
-             colFg = wxColourToRGB(GetForegroundColour());
-

     HDC hdc = lpDIS->hDC;
     UINT state = lpDIS->itemState;
     HDC hdc = lpDIS->hDC;
     UINT state = lpDIS->itemState;

+    RECT rectBtn;
+    CopyRect(&rectBtn, &lpDIS->rcItem);

 
 

-    // first, draw the background
-    HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+    wxUxThemeHandle theme(button, L"BUTTON");
+    int iState;

 
 

-    FillRect(hdc, &rectBtn, hbrushBackground);
+    if ( state & ODS_SELECTED )
+    {
+        iState = PBS_PRESSED;
+    }
+    else if ( button->HasCapture() || button->IsMouseInWindow() )
+    {
+        iState = PBS_HOT;
+    }
+    else if ( state & ODS_FOCUS )
+    {
+        iState = PBS_DEFAULTED;
+    }
+    else if ( state & ODS_DISABLED )
+    {
+        iState = PBS_DISABLED;
+    }
+    else
+    {
+        iState = PBS_NORMAL;
+    }

 
 

-    // draw the border for the current state
-    bool selected = (state & ODS_SELECTED) != 0;
-    if ( !selected )
+    // draw parent background if needed
+    if ( wxUxThemeEngine::Get()->IsThemeBackgroundPartiallyTransparent(theme,
+                                                                       BP_PUSHBUTTON,
+                                                                       iState) )

     {
     {

-        wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
-        if ( panel )
-        {
-            selected = panel->GetDefaultItem() == this;
-        }
+        wxUxThemeEngine::Get()->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);

     }
     }

-    bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;

 
 

-    DrawButtonFrame(hdc, rectBtn, selected, pushed);
+    // draw background
+    wxUxThemeEngine::Get()->DrawThemeBackground(theme, hdc, BP_PUSHBUTTON, iState,
+                                                &rectBtn, NULL);
+
+    // calculate content area margins
+    MARGINS margins;
+    wxUxThemeEngine::Get()->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
+                                            TMT_CONTENTMARGINS, &rectBtn, &margins);
+    RECT rectClient;
+    ::CopyRect(&rectClient, &rectBtn);
+    ::InflateRect(&rectClient, -margins.cxLeftWidth, -margins.cyTopHeight);

 
 

-    // draw the focus rect if needed
-    if ( state & ODS_FOCUS )
+    // if focused and !nofocus rect
+    if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )

     {
     {

-        RECT rectFocus;
-        CopyRect(&rectFocus, &rectBtn);
+        DrawFocusRect(hdc, &rectClient);
+    }

 
 

-        // I don't know where does this constant come from, but this is how
-        // Windows draws them
-        InflateRect(&rectFocus, -4, -4);
+    if ( button->UseBgCol() )
+    {
+        COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);

 
 

-        DrawFocusRect(hdc, &rectFocus);
+        // don't overwrite the focus rect
+        ::InflateRect(&rectClient, -1, -1);
+        FillRect(hdc, &rectClient, hbrushBackground);
+        ::DeleteObject(hbrushBackground);

     }
     }

+}
+#endif // wxUSE_UXTHEME

 
 

-    if ( pushed )
+bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+{
+    LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
+    HDC hdc = lpDIS->hDC;
+    UINT state = lpDIS->itemState;
+    RECT rectBtn;
+    CopyRect(&rectBtn, &lpDIS->rcItem);
+
+#if wxUSE_UXTHEME
+    if ( wxUxThemeEngine::GetIfActive() )

     {
     {

-        // the label is shifted by 1 pixel to create "pushed" effect
-        OffsetRect(&rectBtn, 1, 1);
+        MSWDrawXPBackground(this, wxdis);

     }
     }

+    else
+#endif // wxUSE_UXTHEME
+    {
+        COLORREF colBg = wxColourToRGB(GetBackgroundColour());
+
+        // first, draw the background
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+        FillRect(hdc, &rectBtn, hbrushBackground);
+        ::DeleteObject(hbrushBackground);
+
+        // draw the border for the current state
+        bool selected = (state & ODS_SELECTED) != 0;
+        if ( !selected )
+        {
+            wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+            if ( tlw )
+            {
+                selected = tlw->GetDefaultItem() == this;
+            }
+        }
+        bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;

 
 

-    DrawButtonText(hdc, &rectBtn, GetLabel(),
-                   state & ODS_DISABLED ? GetSysColor(COLOR_GRAYTEXT)
-                                        : colFg);
+        DrawButtonFrame(hdc, rectBtn, selected, pushed);

 
 

-    ::DeleteObject(hbrushBackground);
+        // if focused and !nofocus rect
+        if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+        {
+            RECT rectFocus;
+            CopyRect(&rectFocus, &rectBtn);
+
+            // I don't know where does this constant come from, but this is how
+            // Windows draws them
+            InflateRect(&rectFocus, -4, -4);
+
+            DrawFocusRect(hdc, &rectFocus);
+        }
+
+        if ( pushed )
+        {
+            // the label is shifted by 1 pixel to create "pushed" effect
+            OffsetRect(&rectBtn, 1, 1);
+        }
+    }
+
+    COLORREF colFg = wxColourToRGB(GetForegroundColour());
+    if ( state & ODS_DISABLED ) colFg = GetSysColor(COLOR_GRAYTEXT) ;
+    wxString label = GetLabel();
+    if ( state & ODS_NOACCEL ) label = GetLabelText() ;
+    DrawButtonText(hdc, &rectBtn, label, colFg);

 
     return true;
 }
 
     return true;
 }


@@ -691,4 +860,3 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
 #endif // __WIN32__
 
 #endif // wxUSE_BUTTON
 #endif // __WIN32__
 
 #endif // wxUSE_BUTTON

-