X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..b9efe021b554fa3967d1442cf758435c5cd5ae8f:/src/msw/statbr95.cpp?ds=inline diff --git a/src/msw/statbr95.cpp b/src/msw/statbr95.cpp index 17418306b8..37b9b03f73 100644 --- a/src/msw/statbr95.cpp +++ b/src/msw/statbr95.cpp @@ -2,14 +2,14 @@ // Name: msw/statbr95.cpp // Purpose: native implementation of wxStatusBar // Author: Vadim Zeitlin -// Modified by: +// Modified by: // Created: 04.04.98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "statbr95.h" #endif @@ -27,30 +27,19 @@ #include "wx/dcclient.h" #endif -#ifdef __WIN95__ +#if wxUSE_STATUSBAR && defined(__WIN95__) && wxUSE_NATIVE_STATUSBAR +#include "wx/intl.h" #include "wx/log.h" -#include "wx/generic/statusbr.h" -#include "wx/msw/statbr95.h" +#include "wx/statusbr.h" #include "wx/msw/private.h" #include -#if !defined(__GNUWIN32__) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) -#include +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) + #include #endif -#if wxUSE_NATIVE_STATUSBAR - -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxStatusBar95, wxStatusBar); - - BEGIN_EVENT_TABLE(wxStatusBar95, wxStatusBar) - EVT_SIZE(wxStatusBar95::OnSize) - END_EVENT_TABLE() -#endif //USE_SHARED_LIBRARY - - // ---------------------------------------------------------------------------- // macros // ---------------------------------------------------------------------------- @@ -61,8 +50,6 @@ #define StatusBar_GetTextLen(h, n) LOWORD(SendMessage(h, SB_GETTEXTLENGTH, (WPARAM)n, 0)) #define StatusBar_GetText(h, n, s) LOWORD(SendMessage(h, SB_GETTEXT, (WPARAM)n, (LPARAM)(LPTSTR)s)) -#define hwnd ((HWND)m_hWnd) - // ============================================================================ // implementation // ============================================================================ @@ -73,163 +60,285 @@ wxStatusBar95::wxStatusBar95() { - SetParent(NULL); - m_hWnd = 0; - m_windowId = 0; + SetParent(NULL); + m_hWnd = 0; + m_windowId = 0; } -wxStatusBar95::wxStatusBar95(wxWindow *parent, wxWindowID id, long style) +bool wxStatusBar95::Create(wxWindow *parent, + wxWindowID id, + long style, + const wxString& name) { - Create(parent, id, style); -} + wxCHECK_MSG( parent, false, wxT("status bar must have a parent") ); -bool wxStatusBar95::Create(wxWindow *parent, wxWindowID id, long style) -{ - SetParent(parent); - - if (id == -1) - m_windowId = NewControlId(); - else - m_windowId = id; - - DWORD wstyle = WS_CHILD | WS_VISIBLE; - if ( style & wxST_SIZEGRIP ) - wstyle |= SBARS_SIZEGRIP; - - m_hWnd = (WXHWND)CreateStatusWindow(wstyle, - T(""), - (HWND)parent->GetHWND(), - m_windowId); - if ( m_hWnd == 0 ) { - wxLogSysError(T("can't create status bar window")); - return FALSE; - } - - // this doesn't work: display problems (white 1-2 pixel borders...) - // SubclassWin(m_hWnd); - - return TRUE; + SetName(name); + SetWindowStyleFlag(style); + SetParent(parent); + + parent->AddChild(this); + + m_windowId = id == wxID_ANY ? NewControlId() : id; + + DWORD wstyle = WS_CHILD | WS_VISIBLE; + + if ( style & wxCLIP_SIBLINGS ) + wstyle |= WS_CLIPSIBLINGS; + + // setting SBARS_SIZEGRIP is perfectly useless: it's always on by default + // (at least in the version of comctl32.dll I'm using), and the only way to + // turn it off is to use CCS_TOP style - as we position the status bar + // manually anyhow (see DoMoveWindow), use CCS_TOP style if wxST_SIZEGRIP + // is not given + if ( !(style & wxST_SIZEGRIP) ) + { + wstyle |= CCS_TOP; + } + else + { +#ifndef __WXWINCE__ + // may be some versions of comctl32.dll do need it - anyhow, it won't + // do any harm + wstyle |= SBARS_SIZEGRIP; +#endif + } + + m_hWnd = (WXHWND)CreateStatusWindow(wstyle, + wxEmptyString, + GetHwndOf(parent), + m_windowId); + if ( m_hWnd == 0 ) + { + wxLogSysError(_("Failed to create a status bar.")); + + return false; + } + + SetFieldsCount(1); + SubclassWin(m_hWnd); + InheritAttributes(); + + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR)); + + // we must refresh the frame size when the statusbar is created, because + // its client area might change + wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); + if ( frame ) + { + frame->SendSizeEvent(); + } + + return true; } -void wxStatusBar95::CopyFieldsWidth(const int widths[]) +wxStatusBar95::~wxStatusBar95() { - if (widths && !m_statusWidths) - m_statusWidths = new int[m_nFields]; - - if ( widths != NULL ) { - for ( int i = 0; i < m_nFields; i++ ) - m_statusWidths[i] = widths[i]; - } - else { - delete [] m_statusWidths; - m_statusWidths = NULL; - } + // we must refresh the frame size when the statusbar is deleted but the + // frame is not - otherwise statusbar leaves a hole in the place it used to + // occupy + wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); + if ( frame && !frame->IsBeingDeleted() ) + { + frame->SendSizeEvent(); + } } -void wxStatusBar95::SetFieldsCount(int nFields, const int widths[]) +void wxStatusBar95::SetFieldsCount(int nFields, const int *widths) { - wxASSERT( (nFields > 0) && (nFields < 255) ); + // this is a Windows limitation + wxASSERT_MSG( (nFields > 0) && (nFields < 255), _T("too many fields") ); - m_nFields = nFields; + wxStatusBarBase::SetFieldsCount(nFields, widths); - CopyFieldsWidth(widths); - SetFieldsWidth(); + SetFieldsWidth(); } void wxStatusBar95::SetStatusWidths(int n, const int widths[]) { - // @@ I don't understand what this function is for... - wxASSERT( n == m_nFields ); + wxStatusBarBase::SetStatusWidths(n, widths); - CopyFieldsWidth(widths); - SetFieldsWidth(); + SetFieldsWidth(); } void wxStatusBar95::SetFieldsWidth() { - int *pWidths = new int[m_nFields]; - - int nWindowWidth, y; - GetClientSize(&nWindowWidth, &y); - - if ( m_statusWidths == NULL ) { - // default: all fields have the same width - int nWidth = nWindowWidth / m_nFields; - for ( int i = 0; i < m_nFields; i++ ) - pWidths[i] = (i + 1) * nWidth; - } - else { - // -1 doesn't mean the same thing for wxWindows and Win32, recalc - int nTotalWidth = 0, - nVarCount = 0, - i; - for ( i = 0; i < m_nFields; i++ ) { - if ( m_statusWidths[i] == -1 ) - nVarCount++; - else - nTotalWidth += m_statusWidths[i]; - } + if ( !m_nFields ) + return; - if ( nVarCount == 0 ) { - // wrong! at least one field must be of variable width - wxFAIL; + int aBorders[3]; + SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders); - nVarCount++; - } + int extraWidth = aBorders[2]; // space between fields - int nVarWidth = (nWindowWidth - nTotalWidth) / nVarCount; + wxArrayInt widthsAbs = + CalculateAbsWidths(GetClientSize().x - extraWidth*(m_nFields - 1)); + + int *pWidths = new int[m_nFields]; - // do fill the array int nCurPos = 0; - for ( i = 0; i < m_nFields; i++ ) { - if ( m_statusWidths[i] == -1 ) - nCurPos += nVarWidth; - else - nCurPos += m_statusWidths[i]; - pWidths[i] = nCurPos; + for ( int i = 0; i < m_nFields; i++ ) { + nCurPos += widthsAbs[i] + extraWidth; + pWidths[i] = nCurPos; } - } - if ( !StatusBar_SetParts(hwnd, m_nFields, pWidths) ) { - wxLogLastError(T("StatusBar_SetParts")); - } + if ( !StatusBar_SetParts(GetHwnd(), m_nFields, pWidths) ) { + wxLogLastError(wxT("StatusBar_SetParts")); + } - delete [] pWidths; + delete [] pWidths; } void wxStatusBar95::SetStatusText(const wxString& strText, int nField) { - if ( !StatusBar_SetText(hwnd, nField, strText) ) { - wxLogLastError(T("StatusBar_SetText")); - } + wxCHECK_RET( (nField >= 0) && (nField < m_nFields), + _T("invalid statusbar field index") ); + + // Get field style, if any + int style; + if (m_statusStyles) + { + switch(m_statusStyles[nField]) + { + case wxSB_RAISED: + style = SBT_POPOUT; + break; + case wxSB_FLAT: + style = SBT_NOBORDERS; + break; + case wxSB_NORMAL: + default: + style = 0; + break; + } + } + else + style = 0; + + // Pass both field number and style. MSDN library doesn't mention + // that nField and style have to be 'ORed' + if ( !StatusBar_SetText(GetHwnd(), nField | style, strText) ) + { + wxLogLastError(wxT("StatusBar_SetText")); + } } wxString wxStatusBar95::GetStatusText(int nField) const { - wxASSERT( (nField > -1) && (nField < m_nFields) ); - - wxString str(T("")); - int len = StatusBar_GetTextLen(hwnd, nField); - if (len > 0) - { - StatusBar_GetText(hwnd, nField, str.GetWriteBuf(len)); - str.UngetWriteBuf(); - } - return str; + wxCHECK_MSG( (nField >= 0) && (nField < m_nFields), wxEmptyString, + _T("invalid statusbar field index") ); + + wxString str; + int len = StatusBar_GetTextLen(GetHwnd(), nField); + if ( len > 0 ) + { + StatusBar_GetText(GetHwnd(), nField, wxStringBuffer(str, len)); + } + + return str; +} + +int wxStatusBar95::GetBorderX() const +{ + int aBorders[3]; + SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders); + + return aBorders[0]; +} + +int wxStatusBar95::GetBorderY() const +{ + int aBorders[3]; + SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders); + + return aBorders[1]; +} + +void wxStatusBar95::SetMinHeight(int height) +{ + SendMessage(GetHwnd(), SB_SETMINHEIGHT, height + 2*GetBorderY(), 0); + + // have to send a (dummy) WM_SIZE to redraw it now + SendMessage(GetHwnd(), WM_SIZE, 0, 0); } -void wxStatusBar95::OnSize(wxSizeEvent& event) +bool wxStatusBar95::GetFieldRect(int i, wxRect& rect) const { - FORWARD_WM_SIZE(hwnd, SIZE_RESTORED, event.GetSize().x, event.GetSize().y, - SendMessage); + wxCHECK_MSG( (i >= 0) && (i < m_nFields), false, + _T("invalid statusbar field index") ); + + RECT r; + if ( !::SendMessage(GetHwnd(), SB_GETRECT, i, (LPARAM)&r) ) + { + wxLogLastError(wxT("SendMessage(SB_GETRECT)")); + } + + wxCopyRECTToRect(r, rect); + + return true; +} - // adjust fields widths to the new size - SetFieldsWidth(); +void wxStatusBar95::DoMoveWindow(int x, int y, int width, int height) +{ + // the status bar wnd proc must be forwarded the WM_SIZE message whenever + // the stat bar position/size is changed because it normally positions the + // control itself along bottom or top side of the parent window - failing + // to do so will result in nasty visual effects + FORWARD_WM_SIZE(GetHwnd(), SIZE_RESTORED, x, y, SendMessage); + + // but now, when the standard status bar wnd proc did all it wanted to do, + // move the status bar to its correct location - usually this call may be + // omitted because for normal status bars (positioned along the bottom + // edge) the position is already set correctly, but if the user wants to + // position them in some exotic location, this is really needed + wxWindowMSW::DoMoveWindow(x, y, width, height); + + // adjust fields widths to the new size + SetFieldsWidth(); + + // we have to trigger wxSizeEvent if there are children window in status + // bar because GetFieldRect returned incorrect (not updated) values up to + // here, which almost certainly resulted in incorrectly redrawn statusbar + if ( m_children.GetCount() > 0 ) + { + wxSizeEvent event(GetClientSize(), m_windowId); + event.SetEventObject(this); + GetEventHandler()->ProcessEvent(event); + } +} + +void wxStatusBar95::SetStatusStyles(int n, const int styles[]) +{ + wxStatusBarBase::SetStatusStyles(n, styles); + + if (n != m_nFields) + return; + + for (int i = 0; i < n; i++) + { + int style; + switch(styles[i]) + { + case wxSB_RAISED: + style = SBT_POPOUT; + break; + case wxSB_FLAT: + style = SBT_NOBORDERS; + break; + case wxSB_NORMAL: + default: + style = 0; + break; + } + // The SB_SETTEXT message is both used to set the field's text as well as + // the fields' styles. MSDN library doesn't mention + // that nField and style have to be 'ORed' + wxString text = GetStatusText(i); + if (!StatusBar_SetText(GetHwnd(), style | i, text)) + { + wxLogLastError(wxT("StatusBar_SetText")); + } + } } -#endif // wxUSE_NATIVE_STATUSBAR +#endif // __WIN95__ && wxUSE_NATIVE_STATUSBAR -#else - #error "wxStatusBar95 is only available under Windows 95 and later." -#endif // __WIN95__ -