class wxODButtonImageData : public wxButtonImageData
{
public:
- wxODButtonImageData(wxButton *btn)
+ wxODButtonImageData(wxButton *btn, const wxBitmap& bitmap)
{
+ SetBitmap(bitmap, wxButton::State_Normal);
+
m_dir = wxLEFT;
- m_margin.x = btn->GetCharWidth();
- m_margin.y = btn->GetCharHeight() / 2;
+ // we use margins when we have both bitmap and text, but when we have
+ // only the bitmap it should take up the entire button area
+ if ( btn->ShowsLabel() )
+ {
+ m_margin.x = btn->GetCharWidth();
+ m_margin.y = btn->GetCharHeight() / 2;
+ }
}
virtual wxBitmap GetBitmap(wxButton::State which) const
virtual wxSize GetBitmapMargins() const
{
- return m_margin + wxSize(OD_BUTTON_MARGIN, OD_BUTTON_MARGIN);
+ return m_margin;
}
virtual void SetBitmapMargins(wxCoord x, wxCoord y)
#if wxUSE_UXTHEME
+// somehow the margin is one pixel greater than the value returned by
+// GetThemeMargins() call
+const int XP_BUTTON_EXTRA_MARGIN = 1;
+
class wxXPButtonImageData : public wxButtonImageData
{
public:
// we must be constructed with the size of our images as we need to create
// the image list
- wxXPButtonImageData(wxButton *btn, const wxSize& size)
- : m_iml(size.x, size.y, true /* use mask */, wxButton::State_Max),
+ wxXPButtonImageData(wxButton *btn, const wxBitmap& bitmap)
+ : m_iml(bitmap.GetWidth(), bitmap.GetHeight(), true /* use mask */,
+ wxButton::State_Max),
m_hwndBtn(GetHwndOf(btn))
{
+ // initialize all bitmaps to normal state
+ for ( int n = 0; n < wxButton::State_Max; n++ )
+ {
+ m_iml.Add(bitmap);
+ }
+
m_data.himl = GetHimagelistOf(&m_iml);
// use default margins
// and default alignment
m_data.uAlign = BUTTON_IMAGELIST_ALIGN_LEFT;
+
+ UpdateImageInfo();
}
virtual wxBitmap GetBitmap(wxButton::State which) const
virtual void SetBitmap(const wxBitmap& bitmap, wxButton::State which)
{
- const int imagesToAdd = which - m_iml.GetImageCount();
- if ( imagesToAdd >= 0 )
- {
- if ( imagesToAdd > 0 )
- {
- const wxBitmap bmpNormal = GetBitmap(wxButton::State_Normal);
- for ( int n = 0; n < imagesToAdd; n++ )
- m_iml.Add(bmpNormal);
- }
-
- m_iml.Add(bitmap);
- }
- else // we already have this bitmap
- {
- m_iml.Replace(which, bitmap);
- }
+ m_iml.Replace(which, bitmap);
UpdateImageInfo();
}
// 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;
// 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()
wxSize wxButton::DoGetBestSize() const
{
- wxSize size = wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this));
+ wxSize size;
+
+ // account for the text part
+ if ( ShowsLabel() )
+ {
+ size = wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this));
+ }
+
if ( m_imageData )
{
+ // 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.x = sizeBmp.x;
}
+ // 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) )
+ {
+ 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;
+ }
+
+ size.IncBy(marginH, marginV);
+ }
+
CacheBestSize(size);
}
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;
}
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);
// as the theme size might have changed
InvalidateBestSize();
}
- else if ( wxUxThemeEngine::GetIfActive() )
+#endif // wxUSE_UXTHEME
+ // 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
+ else if ( (nMsg == WM_MOUSEMOVE && !m_mouseInWindow) ||
+ nMsg == WM_MOUSELEAVE )
{
- // 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 )
+ if (
+ IsEnabled() &&
+ (
+#if wxUSE_UXTHEME
+ wxUxThemeEngine::GetIfActive() ||
+#endif // wxUSE_UXTHEME
+ m_imageData && m_imageData->GetBitmap(State_Current).IsOk()
+ )
+ )
{
Refresh();
}
}
-#endif // wxUSE_UXTHEME
// let the base class do all real processing
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
if ( !m_imageData )
{
#if wxUSE_UXTHEME
- if ( wxUxThemeEngine::GetIfActive() )
+ // using image list doesn't work correctly if we don't have any label
+ // (even if we use BUTTON_IMAGELIST_ALIGN_CENTER alignment and
+ // BS_BITMAP style), at least under Windows 2003 so use owner drawn
+ // strategy for bitmap-only buttons
+ if ( ShowsLabel() && wxUxThemeEngine::GetIfActive() )
{
- m_imageData = new wxXPButtonImageData(this, bitmap.GetSize());
+ m_imageData = new wxXPButtonImageData(this, bitmap);
}
else
#endif // wxUSE_UXTHEME
{
- m_imageData = new wxODButtonImageData(this);
+ m_imageData = new wxODButtonImageData(this, bitmap);
MakeOwnerDrawn();
}
+ }
+ else
+ {
+ m_imageData->SetBitmap(bitmap, which);
+ }
- // if a bitmap was assigned to the bitmap, its best size must be
- // changed to account for it
+ // 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();
- }
- m_imageData->SetBitmap(bitmap, which);
+ Refresh();
+}
+
+wxSize wxButton::DoGetBitmapMargins() const
+{
+ return m_imageData ? m_imageData->GetBitmapMargins() : wxSize(0, 0);
}
void wxButton::DoSetBitmapMargins(wxCoord x, wxCoord y)
namespace
{
+// return the button state using both the ODS_XXX flags specified in state
+// parameter and the current button state
+wxButton::State GetButtonState(wxButton *btn, UINT state)
+{
+ if ( state & ODS_DISABLED )
+ return wxButton::State_Disabled;
+
+ if ( state & ODS_SELECTED )
+ return wxButton::State_Pressed;
+
+ if ( btn->HasCapture() || btn->IsMouseInWindow() )
+ return wxButton::State_Current;
+
+ if ( state & ODS_FOCUS )
+ return wxButton::State_Focused;
+
+ return wxButton::State_Normal;
+}
+
void DrawButtonText(HDC hdc,
RECT *pRect,
const wxString& text,
// 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
}
#if wxUSE_UXTHEME
-void MSWDrawXPBackground(wxButton *button, HDC hdc, RECT& rectBtn, UINT state)
+void DrawXPBackground(wxButton *button, HDC hdc, RECT& rectBtn, UINT state)
{
wxUxThemeHandle theme(button, L"BUTTON");
- int iState;
- if ( state & ODS_SELECTED )
+ // this array is indexed by wxButton::State values and so must be kept in
+ // sync with it
+ static const int uxStates[] =
{
- 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;
- }
+ PBS_NORMAL, PBS_HOT, PBS_PRESSED, PBS_DISABLED, PBS_DEFAULTED
+ };
+
+ int iState = uxStates[GetButtonState(button, state)];
+
+ wxUxThemeEngine * const engine = wxUxThemeEngine::Get();
// draw parent background if needed
- if ( wxUxThemeEngine::Get()->IsThemeBackgroundPartiallyTransparent(theme,
- BP_PUSHBUTTON,
- iState) )
+ if ( engine->IsThemeBackgroundPartiallyTransparent
+ (
+ theme,
+ BP_PUSHBUTTON,
+ iState
+ ) )
{
- wxUxThemeEngine::Get()->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
+ engine->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
}
// draw background
- wxUxThemeEngine::Get()->DrawThemeBackground(theme, hdc, BP_PUSHBUTTON, iState,
- &rectBtn, NULL);
+ engine->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);
+ engine->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
+ TMT_CONTENTMARGINS, &rectBtn, &margins);
::InflateRect(&rectBtn, -margins.cxLeftWidth, -margins.cyTopHeight);
+ ::InflateRect(&rectBtn, -XP_BUTTON_EXTRA_MARGIN, -XP_BUTTON_EXTRA_MARGIN);
if ( button->UseBgCol() )
{
CopyRect(&rectBtn, &lpDIS->rcItem);
// draw the button background
-#if wxUSE_UXTHEME
- if ( wxUxThemeEngine::GetIfActive() )
+ if ( !HasFlag(wxBORDER_NONE) )
{
- MSWDrawXPBackground(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);
+ }
}
}
}
// draw the image, if any
if ( m_imageData )
{
- wxBitmap bmp = m_imageData->GetBitmap(State_Normal);
+ wxBitmap bmp = m_imageData->GetBitmap(GetButtonState(this, state));
+ if ( !bmp.IsOk() )
+ bmp = m_imageData->GetBitmap(State_Normal);
+
const wxSize sizeBmp = bmp.GetSize();
const wxSize margin = m_imageData->GetBitmapMargins();
const wxSize sizeBmpWithMargins(sizeBmp + 2*margin);
// finally draw the label
- COLORREF colFg = state & ODS_DISABLED
- ? ::GetSysColor(COLOR_GRAYTEXT)
- : wxColourToRGB(GetForegroundColour());
-
- // notice that DT_HIDEPREFIX doesn't work on old (pre-Windows 2000) systems
- // but by happy coincidence ODS_NOACCEL is not used under them neither so
- // DT_HIDEPREFIX should never be used there
- DrawButtonText(hdc, &rectBtn, GetLabel(), colFg,
- state & ODS_NOACCEL ? DT_HIDEPREFIX : 0);
+ if ( ShowsLabel() )
+ {
+ COLORREF colFg = state & ODS_DISABLED
+ ? ::GetSysColor(COLOR_GRAYTEXT)
+ : wxColourToRGB(GetForegroundColour());
+
+ // notice that DT_HIDEPREFIX doesn't work on old (pre-Windows 2000)
+ // systems but by happy coincidence ODS_NOACCEL is not used under them
+ // neither so DT_HIDEPREFIX should never be used there
+ DrawButtonText(hdc, &rectBtn, GetLabel(), colFg,
+ state & ODS_NOACCEL ? DT_HIDEPREFIX : 0);
+ }
return true;
}
projects / wxWidgets.git / blobdiff