]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/button.cpp
[ 1509599 ] 'Split pickers page in widgets sample' with more icons and rebaking.
[wxWidgets.git] / src / msw / button.cpp
index b50d0c6bd88b9339ea7215f6be9a2c7cd99422bd..e512e506d2498625fbab97e76f52df5b8de4858f 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/button.cpp
+// Name:        src/msw/button.cpp
 // Purpose:     wxButton
 // Author:      Julian Smart
 // Modified by:
 // 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"
 
 
 #if wxUSE_BUTTON
 
+#include "wx/button.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/dcclient.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
 // ----------------------------------------------------------------------------
@@ -135,16 +162,16 @@ bool wxButton::Create(wxWindow *parent,
     {
         // On Windows, some buttons aren't supposed to have
         // mnemonics, so strip them out.
-        
-        label = wxGetStockLabel(id 
+
+        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;
 
@@ -221,7 +248,7 @@ wxSize wxButton::DoGetBestSize() const
 
     wxCoord wBtn,
             hBtn;
-    dc.GetMultiLineTextExtent(GetLabel(), &wBtn, &hBtn);
+    dc.GetMultiLineTextExtent(wxStripMenuCodes(GetLabel()), &wBtn, &hBtn);
 
     // add a margin -- the button is wider than just its label
     wBtn += 3*GetCharWidth();
@@ -241,7 +268,9 @@ wxSize wxButton::DoGetBestSize() const
         return sz;
     }
 
-    return wxSize(wBtn, hBtn);
+    wxSize best(wBtn, hBtn);
+    CacheBestSize(best);
+    return best;
 }
 
 /* static */
@@ -474,6 +503,27 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 
         // 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);
@@ -495,8 +545,31 @@ static void DrawButtonText(HDC hdc,
     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);
@@ -644,67 +717,146 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn,
     DeleteObject(hpenBlack);
 }
 
-bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+#if wxUSE_UXTHEME
+static
+void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)
 {
     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
-
+    HDC hdc = lpDIS->hDC;
+    UINT state = lpDIS->itemState;
     RECT rectBtn;
     CopyRect(&rectBtn, &lpDIS->rcItem);
 
-    COLORREF colBg = wxColourToRGB(GetBackgroundColour()),
-             colFg = wxColourToRGB(GetForegroundColour());
+    wxUxThemeHandle theme(button, L"BUTTON");
+    int iState;
+
+    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 parent background if needed
+    if ( wxUxThemeEngine::Get()->IsThemeBackgroundPartiallyTransparent(theme,
+                                                                       BP_PUSHBUTTON,
+                                                                       iState) )
+    {
+        wxUxThemeEngine::Get()->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
+    }
+
+    // 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);
+
+    // if focused and !nofocus rect
+    if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+    {
+        DrawFocusRect(hdc, &rectClient);
+    }
+
+    if ( button->UseBgCol() )
+    {
+        COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+
+        // don't overwrite the focus rect
+        ::InflateRect(&rectClient, -1, -1);
+        FillRect(hdc, &rectClient, hbrushBackground);
+        ::DeleteObject(hbrushBackground);
+    }
+}
+#endif // wxUSE_UXTHEME
+
+bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+{
+    LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
     HDC hdc = lpDIS->hDC;
     UINT state = lpDIS->itemState;
+    RECT rectBtn;
+    CopyRect(&rectBtn, &lpDIS->rcItem);
 
-    // first, draw the background
-    HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+#if wxUSE_UXTHEME
+    if ( wxUxThemeEngine::GetIfActive() )
+    {
+        MSWDrawXPBackground(this, wxdis);
+    }
+    else
+#endif // wxUSE_UXTHEME
+    {
+        COLORREF colBg = wxColourToRGB(GetBackgroundColour());
 
-    FillRect(hdc, &rectBtn, hbrushBackground);
+        // 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 )
-    {
-        wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
-        if ( panel )
+        // draw the border for the current state
+        bool selected = (state & ODS_SELECTED) != 0;
+        if ( !selected )
         {
-            selected = panel->GetDefaultItem() == this;
+            wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
+            if ( panel )
+            {
+                selected = panel->GetDefaultItem() == this;
+            }
         }
-    }
-    bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
+        bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
 
-    DrawButtonFrame(hdc, rectBtn, selected, pushed);
+        DrawButtonFrame(hdc, rectBtn, selected, pushed);
 
-    // draw the focus rect if needed
-    if ( state & ODS_FOCUS )
-    {
-        RECT rectFocus;
-        CopyRect(&rectFocus, &rectBtn);
+        // 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);
+            // I don't know where does this constant come from, but this is how
+            // Windows draws them
+            InflateRect(&rectFocus, -4, -4);
 
-        DrawFocusRect(hdc, &rectFocus);
-    }
+            DrawFocusRect(hdc, &rectFocus);
+        }
 
-    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);
+        }
     }
 
-    DrawButtonText(hdc, &rectBtn, GetLabel(),
+    COLORREF colFg = wxColourToRGB(GetForegroundColour());
+    DrawButtonText(hdc, &rectBtn,
+                   (state & ODS_NOACCEL ? wxStripMenuCodes(GetLabel())
+                                        : GetLabel()),
                    state & ODS_DISABLED ? GetSysColor(COLOR_GRAYTEXT)
                                         : colFg);
 
-    ::DeleteObject(hbrushBackground);
-
     return true;
 }
 
 #endif // __WIN32__
 
 #endif // wxUSE_BUTTON
-