X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/188b9f2e382136c9e9b5371ccce509a3c4387bef..7e02be855d14263c996448bdb56c9e1002ad9b53:/src/msw/button.cpp diff --git a/src/msw/button.cpp b/src/msw/button.cpp index 172cf7de5b..6b6f67aa65 100644 --- a/src/msw/button.cpp +++ b/src/msw/button.cpp @@ -5,8 +5,8 @@ // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "button.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -31,21 +27,84 @@ #if wxUSE_BUTTON #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" // ---------------------------------------------------------------------------- // macros // ---------------------------------------------------------------------------- +#if wxUSE_EXTENDED_RTTI + +WX_DEFINE_FLAGS( wxButtonStyle ) + +wxBEGIN_FLAGS( wxButtonStyle ) + // new style border flags, we put them first to + // use them for streaming out + wxFLAGS_MEMBER(wxBORDER_SIMPLE) + wxFLAGS_MEMBER(wxBORDER_SUNKEN) + wxFLAGS_MEMBER(wxBORDER_DOUBLE) + wxFLAGS_MEMBER(wxBORDER_RAISED) + wxFLAGS_MEMBER(wxBORDER_STATIC) + wxFLAGS_MEMBER(wxBORDER_NONE) + + // old style border flags + wxFLAGS_MEMBER(wxSIMPLE_BORDER) + wxFLAGS_MEMBER(wxSUNKEN_BORDER) + wxFLAGS_MEMBER(wxDOUBLE_BORDER) + wxFLAGS_MEMBER(wxRAISED_BORDER) + wxFLAGS_MEMBER(wxSTATIC_BORDER) + wxFLAGS_MEMBER(wxBORDER) + + // standard window styles + wxFLAGS_MEMBER(wxTAB_TRAVERSAL) + wxFLAGS_MEMBER(wxCLIP_CHILDREN) + wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) + wxFLAGS_MEMBER(wxWANTS_CHARS) + wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) + wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) + wxFLAGS_MEMBER(wxVSCROLL) + wxFLAGS_MEMBER(wxHSCROLL) + + wxFLAGS_MEMBER(wxBU_LEFT) + wxFLAGS_MEMBER(wxBU_RIGHT) + wxFLAGS_MEMBER(wxBU_TOP) + wxFLAGS_MEMBER(wxBU_BOTTOM) + wxFLAGS_MEMBER(wxBU_EXACTFIT) +wxEND_FLAGS( wxButtonStyle ) + +IMPLEMENT_DYNAMIC_CLASS_XTI(wxButton, wxControl,"wx/button.h") + +wxBEGIN_PROPERTIES_TABLE(wxButton) + wxEVENT_PROPERTY( Click , wxEVT_COMMAND_BUTTON_CLICKED , wxCommandEvent) + + wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( Label, wxString , SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) + + wxPROPERTY_FLAGS( WindowStyle , wxButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style + +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxButton) +wxEND_HANDLERS_TABLE() + +wxCONSTRUCTOR_6( wxButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) + + +#else IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl) +#endif // this macro tries to adjust the default button height to a reasonable value // using the char height as the base @@ -61,15 +120,30 @@ IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl) bool wxButton::Create(wxWindow *parent, wxWindowID id, - const wxString& label, + const wxString& lbl, const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator, const wxString& name) { + 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 + ); + } + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) - return FALSE; + return false; WXDWORD exstyle; WXDWORD msStyle = MSWGetStyle(style, &exstyle); @@ -123,6 +197,11 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const msStyle |= BS_TOP; if ( style & wxBU_BOTTOM ) msStyle |= BS_BOTTOM; +#ifndef __WXWINCE__ + // flat 2d buttons + if ( style & wxNO_BORDER ) + msStyle |= BS_FLAT; +#endif // __WXWINCE__ #endif // __WIN32__ return msStyle; @@ -134,29 +213,34 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const wxSize wxButton::DoGetBestSize() const { - wxString label = wxGetWindowText(GetHWND()); - int wBtn; - GetTextExtent(label, &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(wxStripMenuCodes(GetLabel()), &wBtn, &hBtn); - // add a margin - the button is wider than just its label - wBtn += 3*wChar; + // add a margin -- the button is wider than just its label + wBtn += 3*GetCharWidth(); + hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hBtn); - // the button height is proportional to the height of the font used - int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar); - - if (!HasFlag(wxBU_EXACTFIT)) + // 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 + // creating the button + if ( !HasFlag(wxBU_EXACTFIT) ) { wxSize sz = GetDefaultSize(); - if (wBtn > sz.x) sz.x = wBtn; - if (hBtn > sz.y) sz.y = hBtn; + if (wBtn > sz.x) + sz.x = wBtn; + if (hBtn > sz.y) + sz.y = hBtn; + return sz; } - else - return wxSize(wBtn, hBtn); + wxSize best(wBtn, hBtn); + CacheBestSize(best); + return best; } /* static */ @@ -197,7 +281,9 @@ wxSize wxButtonBase::GetDefaultSize() handled by ::DefWindowProc() (or maybe ::DefDialogProc()) using DM_SETDEFID Another aspect of "defaultness" is that the default button has different appearance: this is due to BS_DEFPUSHBUTTON style which is completely - separate from DM_SETDEFID stuff (!). + separate from DM_SETDEFID stuff (!). Also note that BS_DEFPUSHBUTTON should + be unset if our parent window is not active so it should be unset whenever + we lose activation and set back when we regain it. Final complication is that when a button is active, it should be the default one, i.e. pressing Enter on a button always activates it and not another @@ -211,9 +297,13 @@ wxSize wxButtonBase::GetDefaultSize() the default item will be the permanent default -- that is the default button if any had been set or none otherwise, which is just what we want. - Remark that we probably don't need to send DM_SETDEFID as we don't use - ::IsDialogMessage() (which relies on it) any longer but OTOH it probably - doesn't hurt neither. + NB: all this is quite complicated by now and the worst is that normally + it shouldn't be necessary at all as for the normal Windows programs + DefWindowProc() and IsDialogMessage() take care of all this + automatically -- however in wxWidgets programs this doesn't work for + nested hierarchies (i.e. a notebook inside a notebook) for unknown + reason and so we have to reproduce all this code ourselves. It would be + very nice if we could avoid doing it. */ // set this button as the (permanently) default one in its panel @@ -223,13 +313,15 @@ void wxButton::SetDefault() wxCHECK_RET( parent, _T("button without parent?") ); - // set this one as the default button both for wxWindows and Windows + // set this one as the default button both for wxWidgets ... wxWindow *winOldDefault = parent->SetDefaultItem(this); - ::SendMessage(GetWinHwnd(parent), DM_SETDEFID, m_windowId, 0L); - UpdateDefaultStyle(this, winOldDefault); + // ... and Windows + SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false); + SetDefaultStyle(this, true); } +// set this button as being currently default void wxButton::SetTmpDefault() { wxWindow *parent = GetParent(); @@ -238,13 +330,12 @@ void wxButton::SetTmpDefault() wxWindow *winOldDefault = parent->GetDefaultItem(); parent->SetTmpDefaultItem(this); - if ( winOldDefault != this ) - { - UpdateDefaultStyle(this, winOldDefault); - } - //else: no styles to update + + 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(); @@ -254,54 +345,64 @@ void wxButton::UnsetTmpDefault() parent->SetTmpDefaultItem(NULL); wxWindow *winOldDefault = parent->GetDefaultItem(); - if ( winOldDefault != this ) - { - UpdateDefaultStyle(winOldDefault, this); - } - //else: we had been default before anyhow + + SetDefaultStyle(this, false); + SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), true); } /* static */ void -wxButton::UpdateDefaultStyle(wxWindow *winDefault, wxWindow *winOldDefault) +wxButton::SetDefaultStyle(wxButton *btn, bool on) { - // clear the BS_DEFPUSHBUTTON for the old default button - wxButton *btnOldDefault = wxDynamicCast(winOldDefault, wxButton); - if ( btnOldDefault && btnOldDefault != winDefault ) + // we may be called with NULL pointer -- simpler to do the check here than + // in the caller which does wxDynamicCast() + if ( !btn ) + return; + + // first, let DefDlgProc() know about the new default button + if ( on ) { - // remove the BS_DEFPUSHBUTTON style from the other button - long style = ::GetWindowLong(GetHwndOf(btnOldDefault), GWL_STYLE); + // we shouldn't set BS_DEFPUSHBUTTON for any button if we don't have + // focus at all any more + if ( !wxTheApp->IsActive() ) + return; - // don't do it with the owner drawn buttons because it will reset - // BS_OWNERDRAW style bit too (BS_OWNERDRAW & BS_DEFPUSHBUTTON != 0)! - if ( (style & BS_OWNERDRAW) != BS_OWNERDRAW ) - { - style &= ~BS_DEFPUSHBUTTON; - ::SendMessage(GetHwndOf(btnOldDefault), BM_SETSTYLE, style, 1L); - } - else + // look for a panel-like window + wxWindow *win = btn->GetParent(); + while ( win && !win->HasFlag(wxTAB_TRAVERSAL) ) + win = win->GetParent(); + + if ( win ) { - // redraw the button - it will notice itself that it's not the - // default one any longer - btnOldDefault->Refresh(); + ::SendMessage(GetHwndOf(win), DM_SETDEFID, btn->GetId(), 0L); + + // sending DM_SETDEFID also changes the button style to + // BS_DEFPUSHBUTTON so there is nothing more to do } } - // and set BS_DEFPUSHBUTTON for this button - wxButton *btnDefault = wxDynamicCast(winDefault, wxButton); - if ( btnDefault ) + // then also change the style as needed + long style = ::GetWindowLong(GetHwndOf(btn), GWL_STYLE); + if ( !(style & BS_DEFPUSHBUTTON) == on ) { - long style = ::GetWindowLong(GetHwndOf(btnDefault), GWL_STYLE); + // don't do it with the owner drawn buttons because it will + // reset BS_OWNERDRAW style bit too (as BS_OWNERDRAW & + // BS_DEFPUSHBUTTON != 0)! if ( (style & BS_OWNERDRAW) != BS_OWNERDRAW ) { - style |= BS_DEFPUSHBUTTON; - ::SendMessage(GetHwndOf(btnDefault), BM_SETSTYLE, style, 1L); + ::SendMessage(GetHwndOf(btn), BM_SETSTYLE, + on ? style | BS_DEFPUSHBUTTON + : style & ~BS_DEFPUSHBUTTON, + 1L /* redraw */); } - else + else // owner drawn { - btnDefault->Refresh(); + // redraw the button - it will notice itself that it's + // [not] the default one [any longer] + btn->Refresh(); } } + //else: already has correct style } // ---------------------------------------------------------------------------- @@ -327,12 +428,21 @@ void wxButton::Command(wxCommandEvent & event) bool wxButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { - bool processed = FALSE; + bool processed = false; switch ( param ) { + // NOTE: Apparently older versions (NT 4?) of the common controls send + // BN_DOUBLECLICKED but not a second BN_CLICKED for owner-drawn + // buttons, so in order to send two EVT_BUTTON events we should + // catch both types. Currently (Feb 2003) up-to-date versions of + // win98, win2k and winXP all send two BN_CLICKED messages for + // all button types, so we don't catch BN_DOUBLECLICKED anymore + // in order to not get 3 EVT_BUTTON events. If this is a problem + // then we need to figure out which version of the comctl32 changed + // this behaviour and test for it. + case 1: // message came from an accelerator case BN_CLICKED: // normal buttons send this - case BN_DOUBLECLICKED: // owner-drawn ones also send this processed = SendClickEvent(); break; } @@ -340,9 +450,9 @@ bool wxButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) return processed; } -long wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { - // when we receive focus, we want to temporary become the default button in + // when we receive focus, we want to temporarily become the default button in // our parent panel so that pressing "Enter" would activate us -- and when // losing it we should restore the previous default button as well if ( nMsg == WM_SETFOCUS ) @@ -384,8 +494,31 @@ static void DrawButtonText(HDC hdc, COLORREF colOld = SetTextColor(hdc, col); int modeOld = SetBkMode(hdc, TRANSPARENT); - DrawText(hdc, text, text.length(), pRect, - DT_CENTER | DT_VCENTER | DT_SINGLELINE); + 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); @@ -393,11 +526,10 @@ static void DrawButtonText(HDC hdc, static void DrawRect(HDC hdc, const RECT& r) { - MoveToEx(hdc, r.left, r.top, NULL); - LineTo(hdc, r.right, r.top); - LineTo(hdc, r.right, r.bottom); - LineTo(hdc, r.left, r.bottom); - LineTo(hdc, r.left, r.top); + wxDrawLine(hdc, r.left, r.top, r.right, r.top); + wxDrawLine(hdc, r.right, r.top, r.right, r.bottom); + wxDrawLine(hdc, r.right, r.bottom, r.left, r.bottom); + wxDrawLine(hdc, r.left, r.bottom, r.left, r.top); } void wxButton::MakeOwnerDrawn() @@ -416,14 +548,14 @@ bool wxButton::SetBackgroundColour(const wxColour &colour) if ( !wxControl::SetBackgroundColour(colour) ) { // nothing to do - return FALSE; + return false; } MakeOwnerDrawn(); Refresh(); - return TRUE; + return true; } bool wxButton::SetForegroundColour(const wxColour &colour) @@ -431,14 +563,14 @@ bool wxButton::SetForegroundColour(const wxColour &colour) if ( !wxControl::SetForegroundColour(colour) ) { // nothing to do - return FALSE; + return false; } MakeOwnerDrawn(); Refresh(); - return TRUE; + return true; } /* @@ -498,7 +630,7 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn, DrawRect(hdc, r); (void)SelectObject(hdc, hpenGrey); - InflateRect(&r, -1, -1); + ::InflateRect(&r, -1, -1); DrawRect(hdc, r); } @@ -508,27 +640,23 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn, { DrawRect(hdc, r); - InflateRect(&r, -1, -1); + ::InflateRect(&r, -1, -1); } - MoveToEx(hdc, r.left, r.bottom, NULL); - LineTo(hdc, r.right, r.bottom); - LineTo(hdc, r.right, r.top - 1); + wxDrawLine(hdc, r.left, r.bottom, r.right, r.bottom); + wxDrawLine(hdc, r.right, r.bottom, r.right, r.top - 1); (void)SelectObject(hdc, hpenWhite); - MoveToEx(hdc, r.left, r.bottom - 1, NULL); - LineTo(hdc, r.left, r.top); - LineTo(hdc, r.right, r.top); + wxDrawLine(hdc, r.left, r.bottom - 1, r.left, r.top); + wxDrawLine(hdc, r.left, r.top, r.right, r.top); (void)SelectObject(hdc, hpenLightGr); - MoveToEx(hdc, r.left + 1, r.bottom - 2, NULL); - LineTo(hdc, r.left + 1, r.top + 1); - LineTo(hdc, r.right - 1, r.top + 1); + wxDrawLine(hdc, r.left + 1, r.bottom - 2, r.left + 1, r.top + 1); + wxDrawLine(hdc, r.left + 1, r.top + 1, r.right - 1, r.top + 1); (void)SelectObject(hdc, hpenGrey); - MoveToEx(hdc, r.left + 1, r.bottom - 1, NULL); - LineTo(hdc, r.right - 1, r.bottom - 1); - LineTo(hdc, r.right - 1, r.top); + wxDrawLine(hdc, r.left + 1, r.bottom - 1, r.right - 1, r.bottom - 1); + wxDrawLine(hdc, r.right - 1, r.bottom - 1, r.right - 1, r.top); } (void)SelectObject(hdc, hpenOld); @@ -595,7 +723,7 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis) ::DeleteObject(hbrushBackground); - return TRUE; + return true; } #endif // __WIN32__