X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5057e65939120b28f370c4087c8e5b2a899bae37..fad92e2f367f5c37ba4d80c9b57a4453e86c6ac2:/src/common/statbar.cpp diff --git a/src/common/statbar.cpp b/src/common/statbar.cpp index fbea039979..36f0ac976e 100644 --- a/src/common/statbar.cpp +++ b/src/common/statbar.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: common/statbar.cpp +// Name: src/common/statbar.cpp // Purpose: wxStatusBarBase implementation // Author: Vadim Zeitlin // Modified by: // Created: 14.10.01 // RCS-ID: $Id$ // Copyright: (c) 2001 Vadim Zeitlin -// License: wxWindows license +// License: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "statbar.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,11 +24,18 @@ #pragma hdrstop #endif +#if wxUSE_STATUSBAR + +#include "wx/statusbr.h" + #ifndef WX_PRECOMP - #include "wx/statusbr.h" + #include "wx/frame.h" #endif //WX_PRECOMP -#if wxUSE_STATUSBAR +#include "wx/listimpl.cpp" +WX_DEFINE_LIST(wxListString) + +const char wxStatusBarNameStr[] = "statusBar"; // ============================================================================ // wxStatusBarBase implementation @@ -49,11 +52,23 @@ wxStatusBarBase::wxStatusBarBase() m_nFields = 0; InitWidths(); + InitStacks(); + InitStyles(); } wxStatusBarBase::~wxStatusBarBase() { FreeWidths(); + FreeStacks(); + FreeStyles(); + + // notify the frame that it doesn't have a status bar any longer to avoid + // dangling pointers + wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); + if ( frame && frame->GetStatusBar() == this ) + { + frame->SetStatusBar(NULL); + } } // ---------------------------------------------------------------------------- @@ -70,6 +85,20 @@ void wxStatusBarBase::FreeWidths() delete [] m_statusWidths; } +// ---------------------------------------------------------------------------- +// styles array handling +// ---------------------------------------------------------------------------- + +void wxStatusBarBase::InitStyles() +{ + m_statusStyles = NULL; +} + +void wxStatusBarBase::FreeStyles() +{ + delete [] m_statusStyles; +} + // ---------------------------------------------------------------------------- // field widths // ---------------------------------------------------------------------------- @@ -78,15 +107,60 @@ void wxStatusBarBase::SetFieldsCount(int number, const int *widths) { wxCHECK_RET( number > 0, _T("invalid field number in SetFieldsCount") ); - bool refresh = FALSE; + bool refresh = false; if ( number != m_nFields ) { + // copy stacks if present + if(m_statusTextStacks) + { + wxListString **newStacks = new wxListString*[number]; + size_t i, j, max = wxMin(number, m_nFields); + + // copy old stacks + for(i = 0; i < max; ++i) + newStacks[i] = m_statusTextStacks[i]; + // free old stacks in excess + for(j = i; j < (size_t)m_nFields; ++j) + { + if(m_statusTextStacks[j]) + { + m_statusTextStacks[j]->Clear(); + delete m_statusTextStacks[j]; + } + } + // initialize new stacks to NULL + for(j = i; j < (size_t)number; ++j) + newStacks[j] = 0; + + m_statusTextStacks = newStacks; + } + + // Resize styles array + if (m_statusStyles) + { + int *oldStyles = m_statusStyles; + m_statusStyles = new int[number]; + int i, max = wxMin(number, m_nFields); + + // copy old styles + for (i = 0; i < max; ++i) + m_statusStyles[i] = oldStyles[i]; + + // initialize new styles to wxSB_NORMAL + for (i = max; i < number; ++i) + m_statusStyles[i] = wxSB_NORMAL; + + // free old styles + delete [] oldStyles; + } + + m_nFields = number; ReinitWidths(); - refresh = TRUE; + refresh = true; } //else: keep the old m_statusWidths if we had them @@ -95,7 +169,7 @@ void wxStatusBarBase::SetFieldsCount(int number, const int *widths) SetStatusWidths(number, widths); // already done from SetStatusWidths() - refresh = FALSE; + refresh = false; } if ( refresh ) @@ -121,6 +195,25 @@ void wxStatusBarBase::SetStatusWidths(int WXUNUSED_UNLESS_DEBUG(n), Refresh(); } +void wxStatusBarBase::SetStatusStyles(int WXUNUSED_UNLESS_DEBUG(n), + const int styles[]) +{ + wxCHECK_RET( styles, _T("NULL pointer in SetStatusStyles") ); + + wxASSERT_MSG( n == m_nFields, _T("field number mismatch") ); + + if ( !m_statusStyles ) + m_statusStyles = new int[m_nFields]; + + for ( int i = 0; i < m_nFields; i++ ) + { + m_statusStyles[i] = styles[i]; + } + + // update the display after the widths changed + Refresh(); +} + wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const { wxArrayInt widths; @@ -129,12 +222,21 @@ wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const { if ( m_nFields ) { - // default: all fields have the same width - int nWidth = widthTotal / m_nFields; - for ( int i = 0; i < m_nFields; i++ ) + // Default: all fields have the same width. This is not always + // possible to do exactly (if widthTotal is not divisible by + // m_nFields) - if that happens, we distribute the extra pixels + // among all fields: + int widthToUse = widthTotal; + + for ( int i = m_nFields; i > 0; i-- ) { - widths.Add(nWidth); + // divide the unassigned width evently between the + // not yet processed fields: + int w = widthToUse / i; + widths.Add(w); + widthToUse -= w; } + } //else: we're empty anyhow } @@ -158,16 +260,7 @@ wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const } // the amount of extra width we have per each var width field - int nVarWidth; - if ( nVarCount ) - { - int widthExtra = widthTotal - nTotalWidth; - nVarWidth = widthExtra > 0 ? widthExtra / nVarCount : 0; - } - else // no var width fields at all - { - nVarWidth = 0; - } + int widthExtra = widthTotal - nTotalWidth; // do fill the array for ( i = 0; i < m_nFields; i++ ) @@ -178,7 +271,10 @@ wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const } else { - widths.Add(-m_statusWidths[i]*nVarWidth); + int nVarWidth = widthExtra > 0 ? (widthExtra * -m_statusWidths[i]) / nVarCount : 0; + nVarCount += m_statusWidths[i]; + widthExtra -= nVarWidth; + widths.Add(nVarWidth); } } } @@ -186,5 +282,87 @@ wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const return widths; } -#endif // wxUSE_STATUSBAR +// ---------------------------------------------------------------------------- +// text stacks handling +// ---------------------------------------------------------------------------- + +void wxStatusBarBase::InitStacks() +{ + m_statusTextStacks = NULL; +} + +void wxStatusBarBase::FreeStacks() +{ + if ( !m_statusTextStacks ) + return; + + for ( size_t i = 0; i < (size_t)m_nFields; ++i ) + { + if ( m_statusTextStacks[i] ) + { + wxListString& t = *m_statusTextStacks[i]; + WX_CLEAR_LIST(wxListString, t); + delete m_statusTextStacks[i]; + } + } + + delete[] m_statusTextStacks; +} + +// ---------------------------------------------------------------------------- +// text stacks +// ---------------------------------------------------------------------------- +void wxStatusBarBase::PushStatusText(const wxString& text, int number) +{ + wxListString* st = GetOrCreateStatusStack(number); + // This long-winded way around avoids an internal compiler error + // in VC++ 6 with RTTI enabled + wxString tmp1(GetStatusText(number)); + wxString* tmp = new wxString(tmp1); + st->Insert(tmp); + SetStatusText(text, number); +} + +void wxStatusBarBase::PopStatusText(int number) +{ + wxListString *st = GetStatusStack(number); + wxCHECK_RET( st, _T("Unbalanced PushStatusText/PopStatusText") ); + wxListString::compatibility_iterator top = st->GetFirst(); + + SetStatusText(*top->GetData(), number); + delete top->GetData(); + st->Erase(top); + if(st->GetCount() == 0) + { + delete st; + m_statusTextStacks[number] = 0; + } +} + +wxListString *wxStatusBarBase::GetStatusStack(int i) const +{ + if(!m_statusTextStacks) + return 0; + return m_statusTextStacks[i]; +} + +wxListString *wxStatusBarBase::GetOrCreateStatusStack(int i) +{ + if(!m_statusTextStacks) + { + m_statusTextStacks = new wxListString*[m_nFields]; + + size_t j; + for(j = 0; j < (size_t)m_nFields; ++j) m_statusTextStacks[j] = 0; + } + + if(!m_statusTextStacks[i]) + { + m_statusTextStacks[i] = new wxListString(); + } + + return m_statusTextStacks[i]; +} + +#endif // wxUSE_STATUSBAR