/////////////////////////////////////////////////////////////////////////////
-// 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"
+ #include "wx/toplevel.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
// ----------------------------------------------------------------------------
{
wxString label(lbl);
if (label.empty() && wxIsStockID(id))
- label = wxGetStockLabel(id);
-
+ {
+ // 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);
-#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
- // 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;
}
-#endif // __WIN32__
return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
}
wxButton::~wxButton()
{
+ wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+ if ( tlw && tlw->GetTmpDefaultItem() == this )
+ {
+ UnsetTmpDefault();
+ }
}
// ----------------------------------------------------------------------------
// 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 )
if ( style & wxNO_BORDER )
msStyle |= BS_FLAT;
#endif // __WXWINCE__
-#endif // __WIN32__
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
// ----------------------------------------------------------------------------
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
- 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
return sz;
}
- return wxSize(wBtn, hBtn);
+ wxSize best(wBtn, hBtn);
+ CacheBestSize(best);
+ return best;
}
/* static */
*/
// 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 ...
- wxWindow *winOldDefault = parent->SetDefaultItem(this);
+ wxWindow *winOldDefault = wxButtonBase::SetDefault();
// ... 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()
{
- 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);
// 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);
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
// 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);
// owner-drawn buttons support
// ----------------------------------------------------------------------------
-#ifdef __WIN32__
-
// drawing helpers
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.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;
+ 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.wx_str(), text.length(), &rc, DT_CENTER);
+ }
+ else // single line label
+ {
+ // Note: we must have DT_SINGLELINE for DT_VCENTER to work.
+ ::DrawText(hdc, text.wx_str(), text.length(), pRect,
+ DT_SINGLELINE | DT_CENTER | DT_VCENTER);
+ }
SetBkMode(hdc, modeOld);
SetTextColor(hdc, colOld);
DeleteObject(hpenBlack);
}
-bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+#if wxUSE_UXTHEME
+static
+void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *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;
+ 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);
- // draw the focus rect if needed
- if ( state & ODS_FOCUS )
+ // 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) )
{
- 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);
+
+ // if focused and !nofocus rect
+ if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+ {
+ RECT rectFocus;
+ CopyRect(&rectFocus, &rectBtn);
- ::DeleteObject(hbrushBackground);
+ // 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;
}
-#endif // __WIN32__
-
#endif // wxUSE_BUTTON
-
projects / wxWidgets.git / blobdiff