#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"
// 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->GetLabel().empty() )
+ if ( btn->ShowsLabel() )
{
m_margin.x = btn->GetCharWidth();
m_margin.y = btn->GetCharHeight() / 2;
// 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 size;
- // account for the text part
- if ( !GetLabel().empty() )
+ // 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 )
{
size = wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this));
}
// account for the user-specified margins
size += 2*m_imageData->GetBitmapMargins();
- // and also for the margins we always add internally
- int marginH = 0,
- marginV = 0;
-#if wxUSE_UXTHEME
- if ( wxUxThemeEngine::GetIfActive() )
+ // 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) )
{
- wxUxThemeHandle theme(const_cast<wxButton *>(this), L"BUTTON");
+ 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);
+ 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));
+ // 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));
- // don't add margins for the borderless buttons, they don't need
- // them and it just makes them appear larger than needed
- if ( !HasFlag(wxBORDER_NONE) )
- {
marginH = margins.cxLeftWidth + margins.cxRightWidth
+ 2*XP_BUTTON_EXTRA_MARGIN;
marginV = margins.cyTopHeight + margins.cyBottomHeight
+ 2*XP_BUTTON_EXTRA_MARGIN;
}
- }
- else
+ else
#endif // wxUSE_UXTHEME
- {
- marginH =
- marginV = OD_BUTTON_MARGIN;
- }
+ {
+ marginH =
+ marginV = OD_BUTTON_MARGIN;
+ }
- size.IncBy(marginH, marginV);
+ size.IncBy(marginH, marginV);
+ }
CacheBestSize(size);
}
// ----------------------------------------------------------------------------
/*
+ The comment below and all this code is probably due to not using WM_NEXTDLGCTL
+ message when changing focus (but just SetFocus() which is not enough), see
+ http://blogs.msdn.com/oldnewthing/archive/2004/08/02/205624.aspx for the
+ full explanation.
+
+ TODO: Do use WM_NEXTDLGCTL and get rid of all this code.
+
+
"Everything you ever wanted to know about the default buttons" or "Why do we
have to do all this?"
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);
// (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 ( !GetLabel().empty() && wxUxThemeEngine::GetIfActive() )
+ if ( ShowsLabel() && wxUxThemeEngine::GetIfActive() )
{
m_imageData = new wxXPButtonImageData(this, bitmap);
}
m_imageData = new wxODButtonImageData(this, bitmap);
MakeOwnerDrawn();
}
-
- // if a bitmap was assigned to the bitmap, its best size must be
- // changed to account for it
- InvalidateBestSize();
}
else
{
m_imageData->SetBitmap(bitmap, which);
}
+ // 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();
+
Refresh();
}
// 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
RECT rectBtn;
CopyRect(&rectBtn, &lpDIS->rcItem);
- const wxString label = GetLabel();
-
// draw the button background
-#if wxUSE_UXTHEME
- if ( wxUxThemeEngine::GetIfActive() )
+ if ( !HasFlag(wxBORDER_NONE) )
{
- DrawXPBackground(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);
+ }
}
}
}
// finally draw the label
- if ( !label.empty() )
+ if ( ShowsLabel() )
{
COLORREF colFg = state & ODS_DISABLED
? ::GetSysColor(COLOR_GRAYTEXT)
// 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, label, colFg,
+ DrawButtonText(hdc, &rectBtn, GetLabel(), colFg,
state & ODS_NOACCEL ? DT_HIDEPREFIX : 0);
}