X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7b6fefbed1ef1cb879b72950d9f8fa35da128827..cc4d5638c66a409e421420ed7110917755a66788:/src/common/statbar.cpp?ds=sidebyside diff --git a/src/common/statbar.cpp b/src/common/statbar.cpp index a8ad8868c8..4746f7bd94 100644 --- a/src/common/statbar.cpp +++ b/src/common/statbar.cpp @@ -4,9 +4,8 @@ // Author: Vadim Zeitlin // Modified by: Francesco Montorsi // Created: 14.10.01 -// RCS-ID: $Id$ // Copyright: (c) 2001 Vadim Zeitlin -// License: wxWindows licence +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -34,6 +33,74 @@ const char wxStatusBarNameStr[] = "statusBar"; +// ============================================================================ +// wxStatusBarPane implementation +// ============================================================================ + +bool wxStatusBarPane::SetText(const wxString& text) +{ + if ( text == m_text ) + return false; + + /* + If we have a message to restore on the stack, we update it to + correspond to the current one so that a sequence of calls such as + + 1. SetStatusText("foo") + 2. PushStatusText("bar") + 3. SetStatusText("new foo") + 4. PopStatusText() + + doesn't overwrite the "new foo" which should be shown at the end with + the old value "foo". This would be unexpected and hard to avoid, + especially when PushStatusText() is used internally by wxWidgets + without knowledge of the user program, as it is for showing the menu + and toolbar help strings. + + By updating the top of the stack we ensure that the next call to + PopStatusText() basically becomes a NOP without breaking the balance + between the calls to push and pop as we would have done if we really + called PopStatusText() here. + */ + if ( !m_arrStack.empty() ) + { + m_arrStack.back() = text; + } + + m_text = text; + + return true; +} + +bool wxStatusBarPane::PushText(const wxString& text) +{ + // save the currently shown text + m_arrStack.push_back(m_text); + + // and update the new one if necessary + if ( text == m_text ) + return false; + + m_text = text; + + return true; +} + +bool wxStatusBarPane::PopText() +{ + wxCHECK_MSG( !m_arrStack.empty(), false, "no status message to pop" ); + + const wxString text = m_arrStack.back(); + + m_arrStack.pop_back(); + + if ( text == m_text ) + return false; + + m_text = text; + + return true; +} // ============================================================================ // wxStatusBarBase implementation @@ -41,8 +108,8 @@ const char wxStatusBarNameStr[] = "statusBar"; IMPLEMENT_DYNAMIC_CLASS(wxStatusBar, wxWindow) -#include // This is a magic incantation which must be done! -WX_DEFINE_OBJARRAY(wxStatusBarPaneArray); +#include "wx/arrimpl.cpp" // This is a magic incantation which must be done! +WX_DEFINE_EXPORTED_OBJARRAY(wxStatusBarPaneArray) // ---------------------------------------------------------------------------- @@ -58,7 +125,7 @@ wxStatusBarBase::~wxStatusBarBase() { // notify the frame that it doesn't have a status bar any longer to avoid // dangling pointers - wxFrame *frame = dynamic_cast(GetParent()); + wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); if ( frame && frame->GetStatusBar() == this ) frame->SetStatusBar(NULL); } @@ -69,9 +136,7 @@ wxStatusBarBase::~wxStatusBarBase() void wxStatusBarBase::SetFieldsCount(int number, const int *widths) { - wxCHECK_RET( number > 0, _T("invalid field number in SetFieldsCount") ); - - bool refresh = false; + wxCHECK_RET( number > 0, wxT("invalid field number in SetFieldsCount") ); if ( (size_t)number > m_panes.GetCount() ) { @@ -88,45 +153,42 @@ void wxStatusBarBase::SetFieldsCount(int number, const int *widths) m_panes.RemoveAt(number, m_panes.GetCount()-number); } - refresh = true; - - if ( widths ) - { - SetStatusWidths(number, widths); - - // already done from SetStatusWidths() - refresh = false; - } - - if ( refresh ) - Refresh(); + // SetStatusWidths will automatically refresh + SetStatusWidths(number, widths); } void wxStatusBarBase::SetStatusWidths(int WXUNUSED_UNLESS_DEBUG(n), - const int widths[]) + const int widths[]) { - wxCHECK_RET( widths, _T("NULL pointer in SetStatusWidths") ); + wxASSERT_MSG( (size_t)n == m_panes.GetCount(), wxT("field number mismatch") ); - wxASSERT_MSG( (size_t)n == m_panes.GetCount(), _T("field number mismatch") ); - - for ( size_t i = 0; i < m_panes.GetCount(); i++ ) - m_panes[i].nWidth = widths[i]; + if (widths == NULL) + { + // special value meaning: override explicit pane widths and make them all + // of the same size + m_bSameWidthForAllPanes = true; + } + else + { + for ( size_t i = 0; i < m_panes.GetCount(); i++ ) + m_panes[i].SetWidth(widths[i]); - m_bSameWidthForAllPanes = false; + m_bSameWidthForAllPanes = false; + } // update the display after the widths changed Refresh(); } void wxStatusBarBase::SetStatusStyles(int WXUNUSED_UNLESS_DEBUG(n), - const int styles[]) + const int styles[]) { - wxCHECK_RET( styles, _T("NULL pointer in SetStatusStyles") ); + wxCHECK_RET( styles, wxT("NULL pointer in SetStatusStyles") ); - wxASSERT_MSG( (size_t)n == m_panes.GetCount(), _T("field number mismatch") ); + wxASSERT_MSG( (size_t)n == m_panes.GetCount(), wxT("field number mismatch") ); for ( size_t i = 0; i < m_panes.GetCount(); i++ ) - m_panes[i].nStyle = styles[i]; + m_panes[i].SetStyle(styles[i]); // update the display after the widths changed Refresh(); @@ -158,15 +220,15 @@ wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const // calculate the total width of all the fixed width fields and the // total number of var field widths counting with multiplicity size_t nTotalWidth = 0, - nVarCount = 0, - i; + nVarCount = 0, + i; for ( i = 0; i < m_panes.GetCount(); i++ ) { - if ( m_panes[i].nWidth >= 0 ) - nTotalWidth += m_panes[i].nWidth; + if ( m_panes[i].GetWidth() >= 0 ) + nTotalWidth += m_panes[i].GetWidth(); else - nVarCount += -m_panes[i].nWidth; + nVarCount += -m_panes[i].GetWidth(); } // the amount of extra width we have per each var width field @@ -175,12 +237,12 @@ wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const // do fill the array for ( i = 0; i < m_panes.GetCount(); i++ ) { - if ( m_panes[i].nWidth >= 0 ) - widths.Add(m_panes[i].nWidth); + if ( m_panes[i].GetWidth() >= 0 ) + widths.Add(m_panes[i].GetWidth()); else { - int nVarWidth = widthExtra > 0 ? (widthExtra * (-m_panes[i].nWidth)) / nVarCount : 0; - nVarCount += m_panes[i].nWidth; + int nVarWidth = widthExtra > 0 ? (widthExtra * (-m_panes[i].GetWidth())) / nVarCount : 0; + nVarCount += m_panes[i].GetWidth(); widthExtra -= nVarWidth; widths.Add(nVarWidth); } @@ -191,25 +253,54 @@ wxArrayInt wxStatusBarBase::CalculateAbsWidths(wxCoord widthTotal) const } // ---------------------------------------------------------------------------- -// status text stacks +// setting/getting status text +// ---------------------------------------------------------------------------- + +void wxStatusBarBase::SetStatusText(const wxString& text, int number) +{ + wxCHECK_RET( (unsigned)number < m_panes.size(), + "invalid status bar field index" ); + + if ( m_panes[number].SetText(text) ) + DoUpdateStatusText(number); +} + +wxString wxStatusBarBase::GetStatusText(int number) const +{ + wxCHECK_MSG( (unsigned)number < m_panes.size(), wxString(), + "invalid status bar field index" ); + + return m_panes[number].GetText(); +} + +void wxStatusBarBase::SetEllipsizedFlag(int number, bool isEllipsized) +{ + wxCHECK_RET( (unsigned)number < m_panes.size(), + "invalid status bar field index" ); + + m_panes[number].SetIsEllipsized(isEllipsized); +} + +// ---------------------------------------------------------------------------- +// pushing/popping status text // ---------------------------------------------------------------------------- void wxStatusBarBase::PushStatusText(const wxString& text, int number) { - // save current status text in the stack - m_panes[number].arrStack.push_back(GetStatusText(number)); + wxCHECK_RET( (unsigned)number < m_panes.size(), + "invalid status bar field index" ); - // update current status text - SetStatusText(text, number); + if ( m_panes[number].PushText(text) ) + DoUpdateStatusText(number); } void wxStatusBarBase::PopStatusText(int number) { - wxString text = m_panes[number].arrStack.back(); - m_panes[number].arrStack.pop_back(); // also remove it from the stack + wxCHECK_RET( (unsigned)number < m_panes.size(), + "invalid status bar field index" ); - // restore the popped status text in the pane - SetStatusText(text, number); + if ( m_panes[number].PopText() ) + DoUpdateStatusText(number); } #endif // wxUSE_STATUSBAR