X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d5b98eb928bfd29060cd5974d5346b1bfac34012..f0ccd2cbfa0b4ac110b81626da5a184b650b1080:/src/msw/button.cpp diff --git a/src/msw/button.cpp b/src/msw/button.cpp index b17908b014..9d7fa154a7 100644 --- a/src/msw/button.cpp +++ b/src/msw/button.cpp @@ -37,13 +37,15 @@ #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" #include "wx/msw/private/dc.h" +#include "wx/private/window.h" +#include "wx/msw/missing.h" using namespace wxMSWImpl; @@ -102,6 +104,12 @@ using namespace wxMSWImpl; #define DT_HIDEPREFIX 0x00100000 #endif +// set the value for BCM_SETSHIELD (for the UAC shield) if it's not defined in +// the header +#ifndef BCM_SETSHIELD + #define BCM_SETSHIELD 0x160c +#endif + // ---------------------------------------------------------------------------- // button image data // ---------------------------------------------------------------------------- @@ -143,8 +151,13 @@ public: 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 @@ -159,7 +172,7 @@ public: virtual wxSize GetBitmapMargins() const { - return m_margin + wxSize(OD_BUTTON_MARGIN, OD_BUTTON_MARGIN); + return m_margin; } virtual void SetBitmapMargins(wxCoord x, wxCoord y) @@ -189,6 +202,10 @@ private: #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: @@ -215,6 +232,8 @@ public: // and default alignment m_data.uAlign = BUTTON_IMAGELIST_ALIGN_LEFT; + + UpdateImageInfo(); } virtual wxBitmap GetBitmap(wxButton::State which) const @@ -412,7 +431,7 @@ void wxMSWButton::UpdateMultilineStyle(HWND hwnd, const wxString& label) // 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; @@ -421,7 +440,9 @@ void wxMSWButton::UpdateMultilineStyle(HWND hwnd, const wxString& label) ::SetWindowLong(hwnd, GWL_STYLE, styleNew); } -wxSize wxMSWButton::GetFittingSize(wxWindow *win, const wxSize& sizeLabel) +wxSize wxMSWButton::GetFittingSize(wxWindow *win, + const wxSize& sizeLabel, + int flags) { // FIXME: this is pure guesswork, need to retrieve the real button margins wxSize sizeBtn = sizeLabel; @@ -429,24 +450,31 @@ wxSize wxMSWButton::GetFittingSize(wxWindow *win, const wxSize& sizeLabel) sizeBtn.x += 3*win->GetCharWidth(); sizeBtn.y = 11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(sizeLabel.y)/10; + // account for the shield UAC icon if we have it + if ( flags & Size_AuthNeeded ) + sizeBtn.x += wxSystemSettings::GetMetric(wxSYS_SMALLICON_X); + return sizeBtn; } -wxSize wxMSWButton::ComputeBestSize(wxControl *btn) +wxSize wxMSWButton::ComputeBestSize(wxControl *btn, int flags) { wxClientDC dc(btn); wxSize sizeBtn; dc.GetMultiLineTextExtent(btn->GetLabelText(), &sizeBtn.x, &sizeBtn.y); - sizeBtn = GetFittingSize(btn, sizeBtn); + sizeBtn = GetFittingSize(btn, sizeBtn, flags); // 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 ( !btn->HasFlag(wxBU_EXACTFIT) ) { - wxSize sizeDef = wxButton::GetDefaultSize(); + // The size of a standard button in the dialog units is 50x14, use it. + // Note that we intentionally don't use GetDefaultSize() here, because + // it's inexact -- dialog units depend on this dialog's font. + wxSize sizeDef = btn->ConvertDialogToPixels(wxSize(50, 14)); if ( sizeBtn.x < sizeDef.x ) sizeBtn.x = sizeDef.x; if ( sizeBtn.y < sizeDef.y ) @@ -471,6 +499,8 @@ bool wxButton::Create(wxWindow *parent, const wxValidator& validator, const wxString& name) { + m_authNeeded = false; + wxString label(lbl); if (label.empty() && wxIsStockID(id)) { @@ -498,7 +528,7 @@ bool wxButton::Create(wxWindow *parent, // 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() @@ -559,27 +589,90 @@ void wxButton::SetLabel(const wxString& label) // size management including autosizing // ---------------------------------------------------------------------------- -wxSize wxButton::DoGetBestSize() const +void wxButton::AdjustForBitmapSize(wxSize &size) const { - wxSize size = wxMSWButton::ComputeBestSize(const_cast(this)); - if ( m_imageData ) + if ( !m_imageData ) + return; + + // 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; + if ( sizeBmp.y > size.y ) + size.y = sizeBmp.y; + } + else // bitmap on top/below the text + { + size.y += sizeBmp.y; + if ( sizeBmp.x > size.x ) + 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) ) { - const wxSize sizeBmp = m_imageData->GetBitmap(State_Normal).GetSize(); - const wxDirection dirBmp = m_imageData->GetBitmapPosition(); - if ( dirBmp == wxLEFT || dirBmp == wxRIGHT ) + int marginH = 0, + marginV = 0; +#if wxUSE_UXTHEME + if ( wxUxThemeEngine::GetIfActive() ) { - size.x += sizeBmp.x; - if ( sizeBmp.y > size.y ) - size.y = sizeBmp.y; + wxUxThemeHandle theme(const_cast(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 // bitmap on top/below the text + else +#endif // wxUSE_UXTHEME { - size.y += sizeBmp.y; - if ( sizeBmp.x > size.x ) - size.x = sizeBmp.x; + marginH = + marginV = OD_BUTTON_MARGIN; } - size += 2*m_imageData->GetBitmapMargins(); + size.IncBy(marginH, marginV); + } +} + +wxSize wxButton::DoGetBestSize() const +{ + wxSize size; + + // 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 ) + { + int flags = 0; + if ( GetAuthNeeded() ) + flags |= wxMSWButton::Size_AuthNeeded; + + size = wxMSWButton::ComputeBestSize(const_cast(this), flags); + } + + if ( m_imageData ) + { + AdjustForBitmapSize(size); CacheBestSize(size); } @@ -597,16 +690,20 @@ wxSize wxButtonBase::GetDefaultSize() wxScreenDC dc; dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); - // the size of a standard button in the dialog units is 50x14, - // translate this to pixels - // NB1: the multipliers come from the Windows convention - // NB2: the extra +1/+2 were needed to get the size be the same as the - // size of the buttons in the standard dialog - I don't know how - // this happens, but on my system this size is 75x23 in pixels and - // 23*8 isn't even divisible by 14... Would be nice to understand - // why these constants are needed though! - s_sizeBtn.x = (50 * (dc.GetCharWidth() + 1))/4; - s_sizeBtn.y = ((14 * dc.GetCharHeight()) + 2)/8; + // The size of a standard button in the dialog units is 50x14, + // translate this to pixels. + // + // Windows' computes dialog units using average character width over + // upper- and lower-case ASCII alphabet and not using the average + // character width metadata stored in the font; see + // http://support.microsoft.com/default.aspx/kb/145994 for detailed + // discussion. + // + // NB: wxMulDivInt32() is used, because it correctly rounds the result + + const wxSize base = wxPrivate::GetAverageASCIILetterSize(dc); + s_sizeBtn.x = wxMulDivInt32(50, base.x, 4); + s_sizeBtn.y = wxMulDivInt32(14, base.y, 8); } return s_sizeBtn; @@ -617,6 +714,14 @@ wxSize wxButtonBase::GetDefaultSize() // ---------------------------------------------------------------------------- /* + 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?" @@ -683,10 +788,10 @@ static wxTopLevelWindow *GetTLWParentIfNotBeingDeleted(wxWindow *win) 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; } @@ -738,7 +843,7 @@ wxButton::SetDefaultStyle(wxButton *btn, bool on) 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); @@ -853,10 +958,13 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) nMsg == WM_MOUSELEAVE ) { if ( + IsEnabled() && + ( #if wxUSE_UXTHEME wxUxThemeEngine::GetIfActive() || #endif // wxUSE_UXTHEME - m_imageData && m_imageData->GetBitmap(State_Current).IsOk() + (m_imageData && m_imageData->GetBitmap(State_Current).IsOk()) + ) ) { Refresh(); @@ -867,6 +975,26 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) return wxControl::MSWWindowProc(nMsg, wParam, lParam); } +// ---------------------------------------------------------------------------- +// authentication needed handling +// ---------------------------------------------------------------------------- + +bool wxButton::DoGetAuthNeeded() const +{ + return m_authNeeded; +} + +void wxButton::DoSetAuthNeeded(bool show) +{ + // show/hide UAC symbol on Windows Vista and later + if ( wxGetWinVersion() >= wxWinVersion_6 ) + { + m_authNeeded = show; + ::SendMessage(GetHwnd(), BCM_SETSHIELD, 0, show); + InvalidateBestSize(); + } +} + // ---------------------------------------------------------------------------- // button images // ---------------------------------------------------------------------------- @@ -882,7 +1010,11 @@ void wxButton::DoSetBitmap(const wxBitmap& bitmap, State which) 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); } @@ -892,15 +1024,24 @@ void wxButton::DoSetBitmap(const wxBitmap& bitmap, State which) 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(); +} + +wxSize wxButton::DoGetBitmapMargins() const +{ + return m_imageData ? m_imageData->GetBitmapMargins() : wxSize(0, 0); } void wxButton::DoSetBitmapMargins(wxCoord x, wxCoord y) @@ -908,6 +1049,7 @@ void wxButton::DoSetBitmapMargins(wxCoord x, wxCoord y) wxCHECK_RET( m_imageData, "SetBitmap() must be called first" ); m_imageData->SetBitmapMargins(x, y); + InvalidateBestSize(); } void wxButton::DoSetBitmapPosition(wxDirection dir) @@ -915,6 +1057,7 @@ void wxButton::DoSetBitmapPosition(wxDirection dir) wxCHECK_RET( m_imageData, "SetBitmap() must be called first" ); m_imageData->SetBitmapPosition(dir); + InvalidateBestSize(); } // ---------------------------------------------------------------------------- @@ -956,7 +1099,7 @@ void DrawButtonText(HDC hdc, // 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 @@ -1088,7 +1231,7 @@ void DrawXPBackground(wxButton *button, HDC hdc, RECT& rectBtn, UINT state) // this array is indexed by wxButton::State values and so must be kept in // sync with it - static const uxStates[] = + static const int uxStates[] = { PBS_NORMAL, PBS_HOT, PBS_PRESSED, PBS_DISABLED, PBS_DEFAULTED }; @@ -1117,6 +1260,7 @@ void DrawXPBackground(wxButton *button, HDC hdc, RECT& rectBtn, UINT state) 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() ) { @@ -1191,48 +1335,51 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis) CopyRect(&rectBtn, &lpDIS->rcItem); // 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); + } } } } @@ -1253,33 +1400,38 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis) // for simplicity, we start with centred rectangle and then move it to // the appropriate edge wxRect rectBitmap = wxRect(sizeBmp).CentreIn(rectButton); - switch ( m_imageData->GetBitmapPosition() ) - { - default: - wxFAIL_MSG( "invalid direction" ); - // fall through - - case wxLEFT: - rectBitmap.x = rectButton.x + margin.x; - rectButton.x += sizeBmpWithMargins.x; - rectButton.width -= sizeBmpWithMargins.x; - break; - case wxRIGHT: - rectBitmap.x = rectButton.GetRight() - sizeBmp.x - margin.x; - rectButton.width -= sizeBmpWithMargins.x; - break; - - case wxTOP: - rectBitmap.y = rectButton.y + margin.y; - rectButton.y += sizeBmpWithMargins.y; - rectButton.height -= sizeBmpWithMargins.y; - break; - - case wxBOTTOM: - rectBitmap.y = rectButton.GetBottom() - sizeBmp.y - margin.y; - rectButton.height -= sizeBmpWithMargins.y; - break; + // move bitmap only if we have a label, otherwise keep it centered + if ( ShowsLabel() ) + { + switch ( m_imageData->GetBitmapPosition() ) + { + default: + wxFAIL_MSG( "invalid direction" ); + // fall through + + case wxLEFT: + rectBitmap.x = rectButton.x + margin.x; + rectButton.x += sizeBmpWithMargins.x; + rectButton.width -= sizeBmpWithMargins.x; + break; + + case wxRIGHT: + rectBitmap.x = rectButton.GetRight() - sizeBmp.x - margin.x; + rectButton.width -= sizeBmpWithMargins.x; + break; + + case wxTOP: + rectBitmap.y = rectButton.y + margin.y; + rectButton.y += sizeBmpWithMargins.y; + rectButton.height -= sizeBmpWithMargins.y; + break; + + case wxBOTTOM: + rectBitmap.y = rectButton.GetBottom() - sizeBmp.y - margin.y; + rectButton.height -= sizeBmpWithMargins.y; + break; + } } wxDCTemp dst((WXHDC)hdc); @@ -1290,15 +1442,18 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis) // 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; }