Halfway reasonable implementation of wxFont for wxCocoa.

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

diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index 5cbf9002c2d019e8f9e3e451a41809734caf73a7..64e4790923f850f59a30868f7ac0d3e60240887a 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:


@@ -26,20 +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
 
 #include "wx/stockitem.h"
 #include "wx/tokenzr.h"
 #include "wx/msw/private.h"
 
 #endif
 
 #include "wx/stockitem.h"
 #include "wx/tokenzr.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
 // ----------------------------------------------------------------------------


@@ -129,43 +161,43 @@ bool wxButton::Create(wxWindow *parent,
     wxString label(lbl);
     if (label.empty() && wxIsStockID(id))
     {
     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
-                                );
-     }
-    
+        // On Windows, some buttons aren't supposed to have mnemonics
+        label = wxGetStockLabel
+                (
+                    id,
+                    id == wxID_OK || id == wxID_CANCEL || id == wxID_CLOSE
+                        ? wxSTOCK_NOFLAGS
+                        : wxSTOCK_WITH_MNEMONIC
+                );
+    }
+

     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return false;
 
     WXDWORD exstyle;
     WXDWORD msStyle = MSWGetStyle(style, &exstyle);
 
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return false;
 
     WXDWORD exstyle;
     WXDWORD msStyle = MSWGetStyle(style, &exstyle);
 

-#ifdef __WIN32__

     // if the label contains several lines we must explicitly tell the button
     // about it or it wouldn't draw it correctly ("\n"s would just appear as
     // black boxes)
     //
     // NB: we do it here and not in MSWGetStyle() because we need the label
     // if the label contains several lines we must explicitly tell the button
     // about it or it wouldn't draw it correctly ("\n"s would just appear as
     // black boxes)
     //
     // NB: we do it here and not in MSWGetStyle() because we need the label

-    //     value and m_label is not set yet when MSWGetStyle() is called;
-    //     besides changing BS_MULTILINE during run-time is pointless anyhow
+    //     value and the label is not set yet when MSWGetStyle() is called

     if ( label.find(_T('\n')) != wxString::npos )
     {
         msStyle |= BS_MULTILINE;
     }
     if ( label.find(_T('\n')) != wxString::npos )
     {
         msStyle |= BS_MULTILINE;
     }

-#endif // __WIN32__

 
     return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
 }
 
 wxButton::~wxButton()
 {
 
     return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
 }
 
 wxButton::~wxButton()
 {

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

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


@@ -185,7 +217,6 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
     // the bottom
     msStyle |= WS_CLIPSIBLINGS;
 
     // the bottom
     msStyle |= WS_CLIPSIBLINGS;
 

-#ifdef __WIN32__

     // don't use "else if" here: weird as it is, but you may combine wxBU_LEFT
     // and wxBU_RIGHT to get BS_CENTER!
     if ( style & wxBU_LEFT )
     // don't use "else if" here: weird as it is, but you may combine wxBU_LEFT
     // and wxBU_RIGHT to get BS_CENTER!
     if ( style & wxBU_LEFT )


@@ -201,11 +232,29 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
     if ( style & wxNO_BORDER )
         msStyle |= BS_FLAT;
 #endif // __WXWINCE__
     if ( style & wxNO_BORDER )
         msStyle |= BS_FLAT;
 #endif // __WXWINCE__

-#endif // __WIN32__

 
     return msStyle;
 }
 
 
     return msStyle;
 }
 

+void wxButton::SetLabel(const wxString& label)
+{
+    // update BS_MULTILINE style depending on the new label (resetting it
+    // doesn't seem to do anything very useful but it shouldn't hurt and we do
+    // have to set it whenever the label becomes multi line as otherwise it
+    // wouldn't be shown correctly)
+    long styleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE),
+         styleNew;
+    if ( label.find(_T('\n')) != wxString::npos )
+        styleNew = styleOld | BS_MULTILINE;
+    else
+        styleNew = styleOld & ~BS_MULTILINE;
+
+    if ( styleNew != styleOld )
+        ::SetWindowLong(GetHwnd(), GWL_STYLE, styleNew);
+
+    wxButtonBase::SetLabel(label);
+}
+

 // ----------------------------------------------------------------------------
 // size management including autosizing
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // size management including autosizing
 // ----------------------------------------------------------------------------


@@ -217,7 +266,7 @@ wxSize wxButton::DoGetBestSize() const
 
     wxCoord wBtn,
             hBtn;
 
     wxCoord wBtn,
             hBtn;

-    dc.GetMultiLineTextExtent(GetLabel(), &wBtn, &hBtn);
+    dc.GetMultiLineTextExtent(GetLabelText(), &wBtn, &hBtn);

 
     // add a margin -- the button is wider than just its label
     wBtn += 3*GetCharWidth();
 
     // add a margin -- the button is wider than just its label
     wBtn += 3*GetCharWidth();


@@ -306,29 +355,48 @@ wxSize wxButtonBase::GetDefaultSize()
  */
 
 // set this button as the (permanently) default one in its panel
  */
 
 // set this button as the (permanently) default one in its panel

-void wxButton::SetDefault()
+wxWindow *wxButton::SetDefault()

 {
 {

-    wxWindow *parent = GetParent();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
-

     // 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 = wxButtonBase::SetDefault();

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

+
+    return winOldDefault;
+}
+
+// special version of wxGetTopLevelParent() which is safe to call when the
+// parent is being destroyed: wxGetTopLevelParent() would just return NULL in
+// this case because wxWindow version of IsTopLevel() is used when it's called
+// during window destruction instead of wxTLW one, but we want to distinguish
+// between these cases
+static wxTopLevelWindow *GetTLWParentIfNotBeingDeleted(wxWindow *win)
+{
+    for ( ; win; win = win->GetParent() )
+    {
+        if ( win->IsBeingDeleted() )
+            return NULL;
+
+        if ( win->IsTopLevel() )
+            break;
+    }
+
+    wxASSERT_MSG( win, _T("button without top level parent?") );
+
+    return wxDynamicCast(win, wxTopLevelWindow);

 }
 
 // set this button as being currently default
 void wxButton::SetTmpDefault()
 {
 }
 
 // set this button as being currently default
 void wxButton::SetTmpDefault()
 {

-    wxWindow *parent = GetParent();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxTopLevelWindow * const tlw = GetTLWParentIfNotBeingDeleted(GetParent());
+    if ( !tlw )
+        return;

 
 

-    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);


@@ -337,13 +405,13 @@ 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();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxTopLevelWindow * const tlw = GetTLWParentIfNotBeingDeleted(GetParent());
+    if ( !tlw )
+        return;

 
 

-    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);


@@ -366,18 +434,13 @@ 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


@@ -472,6 +535,27 @@ 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);


@@ -481,8 +565,6 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 // owner-drawn buttons support
 // ----------------------------------------------------------------------------
 
 // owner-drawn buttons support
 // ----------------------------------------------------------------------------
 

-#ifdef __WIN32__
-

 // drawing helpers
 
 static void DrawButtonText(HDC hdc,
 // drawing helpers
 
 static void DrawButtonText(HDC hdc,


@@ -500,7 +582,8 @@ static void DrawButtonText(HDC hdc,
         // first we need to compute its bounding rect
         RECT rc;
         ::CopyRect(&rc, pRect);
         // first we need to compute its bounding rect
         RECT rc;
         ::CopyRect(&rc, pRect);

-        ::DrawText(hdc, text, text.length(), &rc, DT_CENTER | DT_CALCRECT);
+        ::DrawText(hdc, text.wx_str(), text.length(), &rc,
+                   DT_CENTER | DT_CALCRECT);

 
         // now center this rect inside the entire button area
         const LONG w = rc.right - rc.left;
 
         // now center this rect inside the entire button area
         const LONG w = rc.right - rc.left;


@@ -510,12 +593,12 @@ static void DrawButtonText(HDC hdc,
         rc.top = (pRect->bottom - pRect->top)/2 - h/2;
         rc.bottom = rc.top+h;
 
         rc.top = (pRect->bottom - pRect->top)/2 - h/2;
         rc.bottom = rc.top+h;
 

-        ::DrawText(hdc, text, text.length(), &rc, DT_CENTER);
+        ::DrawText(hdc, text.wx_str(), text.length(), &rc, DT_CENTER);

     }
     else // single line label
     {
         // Note: we must have DT_SINGLELINE for DT_VCENTER to work.
     }
     else // single line label
     {
         // Note: we must have DT_SINGLELINE for DT_VCENTER to work.

-        ::DrawText(hdc, text, text.length(), pRect,
+        ::DrawText(hdc, text.wx_str(), text.length(), pRect,

                    DT_SINGLELINE | DT_CENTER | DT_VCENTER);
     }
 
                    DT_SINGLELINE | DT_CENTER | DT_VCENTER);
     }
 


@@ -665,67 +748,143 @@ 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;
+
+        DrawButtonFrame(hdc, rectBtn, selected, pushed);
+
+        // 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);
+        }

 
 

-    DrawButtonText(hdc, &rectBtn, GetLabel(),
-                   state & ODS_DISABLED ? GetSysColor(COLOR_GRAYTEXT)
-                                        : colFg);
+        if ( pushed )
+        {
+            // the label is shifted by 1 pixel to create "pushed" effect
+            OffsetRect(&rectBtn, 1, 1);
+        }
+    }

 
 

-    ::DeleteObject(hbrushBackground);
+    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;
 }
 

-#endif // __WIN32__
-

 #endif // wxUSE_BUTTON
 #endif // wxUSE_BUTTON

-