// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/msw/uxtheme.h"
#endif
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
// no idea for a default width, just choose something
-#define DEFAULT_FIELD_WIDTH 25
+static const int DEFAULT_FIELD_WIDTH = 25;
+
+} // anonymous namespace
// ----------------------------------------------------------------------------
// macros
m_pDC = NULL;
}
-bool wxStatusBar::Create(wxWindow *parent,
- wxWindowID id,
- long style,
- const wxString& name)
+WXDWORD wxStatusBar::MSWGetStyle(long style, WXDWORD *exstyle) const
{
- wxCHECK_MSG( parent, false, "status bar must have a parent" );
-
- SetName(name);
- SetWindowStyleFlag(style);
- SetParent(parent);
-
- parent->AddChild(this);
-
- m_windowId = id == wxID_ANY ? NewControlId() : id;
+ WXDWORD msStyle = wxStatusBarBase::MSWGetStyle(style, exstyle);
- DWORD wstyle = WS_CHILD | WS_VISIBLE;
-
- if ( style & wxCLIP_SIBLINGS )
- wstyle |= WS_CLIPSIBLINGS;
+ // wxSTB_SIZEGRIP is part of our default style but it doesn't make sense to
+ // show size grip if this is the status bar of a non-resizable TLW so turn
+ // it off in such case
+ wxWindow * const parent = GetParent();
+ wxCHECK_MSG( parent, msStyle, wxS("Status bar must have a parent") );
+ if ( parent->IsTopLevel() && !parent->HasFlag(wxRESIZE_BORDER) )
+ style &= ~wxSTB_SIZEGRIP;
// 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
// is not given
if ( !(style & wxSTB_SIZEGRIP) )
{
- wstyle |= CCS_TOP;
+ msStyle |= 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;
+ msStyle |= SBARS_SIZEGRIP;
#endif
}
- m_hWnd = CreateWindow
- (
- STATUSCLASSNAME,
- _T(""),
- wstyle,
- 0, 0, 0, 0,
- GetHwndOf(parent),
- (HMENU)wxUIntToPtr(m_windowId.GetValue()),
- wxGetInstance(),
- NULL
- );
- if ( m_hWnd == 0 )
- {
- wxLogSysError(_("Failed to create a status bar."));
+ return msStyle;
+}
+
+bool wxStatusBar::Create(wxWindow *parent,
+ wxWindowID id,
+ long style,
+ const wxString& name)
+{
+ if ( !CreateControl(parent, id, wxDefaultPosition, wxDefaultSize,
+ style, wxDefaultValidator, name) )
+ return false;
+ if ( !MSWCreateControl(STATUSCLASSNAME, wxString(),
+ wxDefaultPosition, wxDefaultSize) )
return false;
- }
SetFieldsCount(1);
- SubclassWin(m_hWnd);
- // cache the DC instance used by UpdateFieldText:
- // NOTE: create the DC before calling InheritAttributes() since
- // it may result in a call to our SetFont()
+ // cache the DC instance used by DoUpdateStatusText:
m_pDC = new wxClientDC(this);
- InheritAttributes();
-
- SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR));
-
// we must refresh the frame size when the statusbar is created, because
// its client area might change
//
// occupy
PostSizeEventToParent();
+#if wxUSE_TOOLTIPS
+ // delete existing tooltips
+ for (size_t i=0; i<m_tooltips.size(); i++)
+ {
+ wxDELETE(m_tooltips[i]);
+ }
+#endif // wxUSE_TOOLTIPS
+
wxDELETE(m_pDC);
}
// this is a Windows limitation
wxASSERT_MSG( (nFields > 0) && (nFields < 255), "too many fields" );
- wxStatusBarBase::SetFieldsCount(nFields, widths);
-
- SetFieldsWidth();
-
// keep in synch also our m_tooltips array
+#if wxUSE_TOOLTIPS
// reset all current tooltips
for (size_t i=0; i<m_tooltips.size(); i++)
{
- delete m_tooltips[i];
- m_tooltips[i] = NULL;
+ wxDELETE(m_tooltips[i]);
}
// shrink/expand the array:
- m_tooltips.resize(m_panes.GetCount(), NULL);
+ m_tooltips.resize(nFields, NULL);
+#endif // wxUSE_TOOLTIPS
+
+ wxStatusBarBase::SetFieldsCount(nFields, widths);
+
+ MSWUpdateFieldsWidths();
}
void wxStatusBar::SetStatusWidths(int n, const int widths[])
{
wxStatusBarBase::SetStatusWidths(n, widths);
- SetFieldsWidth();
+ MSWUpdateFieldsWidths();
}
-void wxStatusBar::SetFieldsWidth()
+void wxStatusBar::MSWUpdateFieldsWidths()
{
if ( m_panes.IsEmpty() )
return;
- int aBorders[3];
- SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
+ const int count = m_panes.GetCount();
- int extraWidth = aBorders[2]; // space between fields
+ const int extraWidth = MSWGetBorderWidth() + MSWGetMetrics().textMargin;
+ // compute the effectively available amount of space:
+ int widthAvailable = GetClientSize().x; // start with the entire width
+ widthAvailable -= extraWidth*(count - 1); // extra space between fields
+ widthAvailable -= MSWGetMetrics().textMargin; // and for the last field
+
+ // Deal with the grip: we shouldn't overflow onto the space occupied by it
+ // so the effectively available space is smaller.
+ const int gripWidth = HasFlag(wxSTB_SIZEGRIP) ? MSWGetMetrics().gripWidth
+ : 0;
+ widthAvailable -= gripWidth;
// distribute the available space (client width) among the various fields:
- wxArrayInt widthsAbs =
- CalculateAbsWidths(GetClientSize().x - extraWidth*(m_panes.GetCount() - 1));
+ wxArrayInt widthsAbs = CalculateAbsWidths(widthAvailable);
// update the field widths in the native control:
- int *pWidths = new int[m_panes.GetCount()];
+ int *pWidths = new int[count];
int nCurPos = 0;
- for ( size_t i = 0; i < m_panes.GetCount(); i++ )
+ int i;
+ for ( i = 0; i < count; i++ )
{
nCurPos += widthsAbs[i] + extraWidth;
pWidths[i] = nCurPos;
}
- if ( !StatusBar_SetParts(GetHwnd(), m_panes.GetCount(), pWidths) )
- wxLogLastError("StatusBar_SetParts");
-
- delete [] pWidths;
-
-
- // FIXME: we may want to call UpdateFieldText() here since we may need to (de)ellipsize status texts
-}
-
-void wxStatusBar::SetStatusText(const wxString& strText, int nField)
-{
- wxCHECK_RET( (nField >= 0) && ((size_t)nField < m_panes.GetCount()),
- "invalid statusbar field index" );
+ // The total width of the panes passed to Windows must be equal to the
+ // total width available, including the grip. Otherwise we get an extra
+ // separator line just before it.
+ pWidths[count - 1] += gripWidth;
- if ( strText == GetStatusText(nField) )
+ if ( !StatusBar_SetParts(GetHwnd(), count, pWidths) )
{
- // don't call StatusBar_SetText() to avoid flicker
- return;
+ wxLogLastError("StatusBar_SetParts");
}
- wxStatusBarBase::SetStatusText(strText, nField);
+ // Now that all parts have been created, set their text.
+ for ( i = 0; i < count; i++ )
+ {
+ DoUpdateStatusText(i);
+ }
- UpdateFieldText(nField);
+ delete [] pWidths;
}
-void wxStatusBar::UpdateFieldText(int nField)
+void wxStatusBar::DoUpdateStatusText(int nField)
{
if (!m_pDC)
return;
wxRect rc;
GetFieldRect(nField, rc);
- int margin;
- if (nField == GetFieldsCount()-1)
- margin = -6; // windows reports a smaller rect for the last field; enlarge it
- else
- margin = 4;
+ const int maxWidth = rc.GetWidth() - MSWGetMetrics().textMargin;
- int maxWidth = rc.GetWidth() - margin; // leave a small margin
wxString text = GetStatusText(nField);
// do we need to ellipsize this string?
}
else
{
- text = wxControl::Ellipsize(text,
+ text = wxControl::Ellipsize(text,
*m_pDC,
ellmode,
maxWidth,
- wxELLIPSIZE_EXPAND_TAB);
-
- // update the ellipsization status for this pane; this is used later to
- // decide whether a tooltip should be shown or not for this pane
+ wxELLIPSIZE_FLAGS_EXPAND_TABS);
+
+ // update the ellipsization status for this pane; this is used later to
+ // decide whether a tooltip should be shown or not for this pane
// (if we have wxSTB_SHOW_TIPS)
SetEllipsizedFlag(nField, text != GetStatusText(nField));
}
- // Set the status text in the native control passing both field number and style.
+ // Set the status text in the native control passing both field number and style.
// NOTE: MSDN library doesn't mention that nField and style have to be 'ORed'
if ( !StatusBar_SetText(GetHwnd(), nField | style, text.wx_str()) )
+ {
wxLogLastError("StatusBar_SetText");
+ }
+#if wxUSE_TOOLTIPS
if (HasFlag(wxSTB_SHOW_TIPS))
{
wxASSERT(m_tooltips.size() == m_panes.GetCount());
else
{
// delete the tooltip associated with this pane; it's not needed anymore
- delete m_tooltips[nField];
- m_tooltips[nField] = NULL;
+ wxDELETE(m_tooltips[nField]);
}
}
else
//else: leave m_tooltips[nField]==NULL
}
}
+#endif // wxUSE_TOOLTIPS
}
-int wxStatusBar::GetBorderX() const
+wxStatusBar::MSWBorders wxStatusBar::MSWGetBorders() const
{
int aBorders[3];
SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
- return aBorders[0];
+ MSWBorders borders;
+ borders.horz = aBorders[0];
+ borders.vert = aBorders[1];
+ borders.between = aBorders[2];
+ return borders;
+}
+
+int wxStatusBar::GetBorderX() const
+{
+ return MSWGetBorders().horz;
}
int wxStatusBar::GetBorderY() const
{
- int aBorders[3];
- SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
+ return MSWGetBorders().vert;
+}
+
+int wxStatusBar::MSWGetBorderWidth() const
+{
+ return MSWGetBorders().between;
+}
+
+/* static */
+const wxStatusBar::MSWMetrics& wxStatusBar::MSWGetMetrics()
+{
+ static MSWMetrics s_metrics = { 0, 0 };
+ if ( !s_metrics.textMargin )
+ {
+ // Grip size should be self explanatory (the only problem with it is
+ // that it's hard coded as we don't know how to find its size using
+ // API) but the margin might merit an explanation: Windows offsets the
+ // text drawn in status bar panes so we need to take this extra margin
+ // into account to make sure the text drawn by user fits inside the
+ // pane. Notice that it's not the value returned by SB_GETBORDERS
+ // which, at least on this Windows 2003 system, returns {0, 2, 2}
+#if wxUSE_UXTHEME
+ if ( wxUxThemeEngine::GetIfActive() )
+ {
+ s_metrics.gripWidth = 20;
+ s_metrics.textMargin = 8;
+ }
+ else // classic/unthemed look
+#endif // wxUSE_UXTHEME
+ {
+ s_metrics.gripWidth = 18;
+ s_metrics.textMargin = 4;
+ }
+ }
- return aBorders[1];
+ return s_metrics;
}
void wxStatusBar::SetMinHeight(int height)
{
- SendMessage(GetHwnd(), SB_SETMINHEIGHT, height + 2*GetBorderY(), 0);
+ // It looks like we need to count the border twice to really make the
+ // controls taking exactly height pixels fully fit in the status bar:
+ // at least under Windows 7 the checkbox in the custom status bar of the
+ // statbar sample gets truncated otherwise.
+ height += 4*GetBorderY();
+
+ // We need to set the size and not the size to reflect the height because
+ // wxFrame uses our size and not the minimal size as it assumes that the
+ // size of a status bar never changes anyhow.
+ SetSize(-1, height);
+
+ SendMessage(GetHwnd(), SB_SETMINHEIGHT, height, 0);
// we have to send a (dummy) WM_SIZE to redraw it now
SendMessage(GetHwnd(), WM_SIZE, 0, 0);
RECT r;
if ( !::SendMessage(GetHwnd(), SB_GETRECT, i, (LPARAM)&r) )
+ {
wxLogLastError("SendMessage(SB_GETRECT)");
+ }
#if wxUSE_UXTHEME
wxUxThemeHandle theme(const_cast<wxStatusBar*>(this), L"Status");
wxSize wxStatusBar::DoGetBestSize() const
{
- int borders[3];
- SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)borders);
+ const MSWBorders borders = MSWGetBorders();
// calculate width
int width = 0;
}
// add the space between fields
- width += borders[2];
+ width += borders.between;
}
if ( !width )
width = 2*DEFAULT_FIELD_WIDTH;
}
- // calculate height
- int height;
- wxGetCharSize(GetHWND(), NULL, &height, GetFont());
- height = EDIT_HEIGHT_FROM_CHAR_HEIGHT(height);
- height += borders[1];
+ // calculate height: by default it should be just big enough to show text
+ // (see SetMinHeight() for the explanation of 4 factor)
+ int height = GetCharHeight();
+ height += 4*borders.vert;
wxSize best(width, height);
CacheBestSize(best);
);
}
- // 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
}
// The SB_SETTEXT message is both used to set the field's text as well as
- // the fields' styles.
+ // the fields' styles.
// NOTE: MSDN library doesn't mention that nField and style have to be 'ORed'
wxString text = GetStatusText(i);
if (!StatusBar_SetText(GetHwnd(), style | i, text.wx_str()))
+ {
wxLogLastError("StatusBar_SetText");
+ }
}
}
}
#endif
- bool needsEllipsization = HasFlag(wxSTB_ELLIPSIZE_START) ||
- HasFlag(wxSTB_ELLIPSIZE_MIDDLE) ||
- HasFlag(wxSTB_ELLIPSIZE_END);
- if ( nMsg == WM_SIZE && needsEllipsization )
+ if ( nMsg == WM_SIZE )
{
- for (int i=0; i<GetFieldsCount(); i++)
- UpdateFieldText(i);
- // re-set the field text, in case we need to ellipsize
- // (or de-ellipsize) some parts of it
+ MSWUpdateFieldsWidths();
+
+ if ( HasFlag(wxSTB_ELLIPSIZE_START) ||
+ HasFlag(wxSTB_ELLIPSIZE_MIDDLE) ||
+ HasFlag(wxSTB_ELLIPSIZE_END) )
+ {
+ for (int i=0; i<GetFieldsCount(); i++)
+ {
+ // re-set the field text, in case we need to ellipsize
+ // (or de-ellipsize) some parts of it
+ DoUpdateStatusText(i);
+ }
+ }
}
return wxStatusBarBase::MSWWindowProc(nMsg, wParam, lParam);
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