virtual int GetBorderY() const { return m_borderY; }
-protected:
-
- virtual void DrawFieldText(wxDC& dc, int i);
- virtual void DrawField(wxDC& dc, int i);
-
- void SetBorderX(int x);
- void SetBorderY(int y);
+protected: // event handlers
void OnPaint(wxPaintEvent& event);
+ void OnSize(wxSizeEvent& event);
void OnLeftDown(wxMouseEvent& event);
void OnRightDown(wxMouseEvent& event);
- virtual void InitColours();
-
// Responds to colour changes
void OnSysColourChanged(wxSysColourChangedEvent& event);
+protected:
+
+ virtual void DrawFieldText(wxDC& dc, const wxRect& rc, int i, int textHeight);
+ virtual void DrawField(wxDC& dc, int i, int textHeight);
+
+ void SetBorderX(int x);
+ void SetBorderY(int y);
+
+ virtual void InitColours();
+
// true if the status bar shows the size grip: for this it must have
// wxST_SIZEGRIP style and the window it is attached to must be resizeable
// and not maximized
// the array of the currently displayed strings
wxArrayString m_statusStrings;
- // the last known width of the client rect (used to rebuild cache)
- int m_lastClientWidth;
+ // the last known height of the client rect
+ int m_lastClientHeight;
// the absolute widths of the status bar panes in pixels
wxArrayInt m_widthsAbs;
BEGIN_EVENT_TABLE(wxStatusBarGeneric, wxWindow)
EVT_PAINT(wxStatusBarGeneric::OnPaint)
+ EVT_SIZE(wxStatusBarGeneric::OnSize)
EVT_LEFT_DOWN(wxStatusBarGeneric::OnLeftDown)
EVT_RIGHT_DOWN(wxStatusBarGeneric::OnRightDown)
EVT_SYS_COLOUR_CHANGED(wxStatusBarGeneric::OnSysColourChanged)
SetFont(*wxSMALL_FONT);
#endif
- wxCoord y;
- {
- // Set the height according to the font and the border size
- wxClientDC dc(this);
- dc.SetFont(GetFont());
-
- dc.GetTextExtent(_T("X"), NULL, &y );
- }
- int height = (int)( (11*y)/10 + 2*GetBorderY());
-
+ int height = (int)((11*GetCharHeight())/10 + 2*GetBorderY());
SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height);
SetFieldsCount(1);
wxSize wxStatusBarGeneric::DoGetBestSize() const
{
int width, height;
- wxCoord y;
// best width is the width of the parent
- GetParent()->GetClientSize(&width, NULL);
+ if (GetParent())
+ GetParent()->GetClientSize(&width, NULL);
+ else
+ width = 80; // a dummy value
// best height is as calculated above in Create()
- wxClientDC dc((wxWindow*)this);
- dc.SetFont(GetFont());
- dc.GetTextExtent(_T("X"), NULL, &y);
- height = (int)((11*y)/10 + 2*GetBorderY());
+ height = (int)((11*GetCharHeight())/10 + 2*GetBorderY());
return wxSize(width, height);
}
return tlw && !tlw->IsMaximized() && tlw->HasFlag(wxRESIZE_BORDER);
}
-void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
+void wxStatusBarGeneric::DrawFieldText(wxDC& dc, const wxRect& rect, int i, int textHeight)
{
- wxRect rect;
- GetFieldRect(i, rect);
+ wxString text(GetStatusText(i));
+ if (text.empty())
+ return; // optimization
- if (rect.GetWidth() <= 0)
- return; // happens when the status bar is shrinked in a very small area!
+ int xpos = rect.x + wxFIELD_TEXT_MARGIN,
+ maxWidth = rect.width - 2*wxFIELD_TEXT_MARGIN,
+ ypos = (int) (((rect.height - textHeight) / 2) + rect.y + 0.5);
if (ShowsSizeGrip())
{
// work because the adjustment needs to be done only when drawing
// the field text and not also when drawing the background, the
// size grip itself, etc
- if (GetLayoutDirection() == wxLayout_RightToLeft && i == 0)
+ if ((GetLayoutDirection() == wxLayout_RightToLeft && i == 0) ||
+ (GetLayoutDirection() != wxLayout_RightToLeft &&
+ i == (int)m_panes.GetCount()-1))
{
- const wxRect& rc = GetSizeGripRect();
+ const wxRect& gripRc = GetSizeGripRect();
- rect.x += rc.GetRight();
- rect.width -= rc.GetRight();
- }
- else if (GetLayoutDirection() != wxLayout_RightToLeft && i == m_panes.GetCount()-1)
- {
- const wxRect& rc = GetSizeGripRect();
+ // NOTE: we don't need any special treatment wrt to the layout direction
+ // since DrawText() will automatically adjust the origin of the
+ // text accordingly to the layout in use
- rect.width = rc.x - rect.x;
+ maxWidth -= gripRc.width;
}
}
// eventually ellipsize the text so that it fits the field width
- wxString text(GetStatusText(i));
-
text = wxControl::Ellipsize(
text, dc,
GetLayoutDirection() == wxLayout_RightToLeft ? wxELLIPSIZE_START : wxELLIPSIZE_END,
- rect.GetWidth() - 2*wxFIELD_TEXT_MARGIN,
+ maxWidth,
wxELLIPSIZE_EXPAND_TAB);
// Ellipsize() will do something only if necessary
- // center the text in its field
- wxSize sz = dc.GetTextExtent(text);
- int xpos = rect.x + wxFIELD_TEXT_MARGIN;
- int ypos = (int) (((rect.height - sz.GetHeight()) / 2) + rect.y + 0.5);
-
#if defined( __WXGTK__ ) || defined(__WXMAC__)
xpos++;
ypos++;
dc.DrawText(text, xpos, ypos);
}
-void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
+void wxStatusBarGeneric::DrawField(wxDC& dc, int i, int textHeight)
{
wxRect rect;
GetFieldRect(i, rect);
+ if (rect.GetWidth() <= 0)
+ return; // happens when the status bar is shrinked in a very small area!
+
int style = m_panes[i].nStyle;
if (style != wxSB_FLAT)
{
rect.x + rect.width, rect.y);
dc.DrawLine(rect.x, rect.y + rect.height,
rect.x, rect.y);
-
#endif
}
- DrawFieldText(dc, i);
+ DrawFieldText(dc, rect, i, textHeight);
}
// Get the position and size of the field's internal bounding rectangle
wxCHECK_MSG( (n >= 0) && ((size_t)n < m_panes.GetCount()), false,
_T("invalid status bar field index") );
- // FIXME: workarounds for OS/2 bugs have nothing to do here (VZ)
- int width, height;
-#ifdef __WXPM__
- GetSize(&width, &height);
-#else
- GetClientSize(&width, &height);
-#endif
-
- // we cache m_widthsAbs between calls and recompute it if client
- // width has changed (or when it is initially empty)
- if ( m_widthsAbs.IsEmpty() || m_lastClientWidth != width )
- {
- // FIXME: why don't we use an OnSize(wxSizeEvent&) event handler to
- // update the cache? (FM)
-
- wxConstCast(this, wxStatusBarGeneric)->m_widthsAbs = CalculateAbsWidths(width);
-
- // remember last width for which we have recomputed the widths in pixels
- wxConstCast(this, wxStatusBarGeneric)->m_lastClientWidth = width;
- }
+ if (m_widthsAbs.IsEmpty())
+ return false;
rect.x = 0;
for ( int i = 0; i < n; i++ )
rect.x += m_widthsAbs[i];
-
rect.x += m_borderX;
- rect.y = m_borderY;
+ rect.y = m_borderY;
rect.width = m_widthsAbs[n] - 2*m_borderX;
- rect.height = height - 2*m_borderY;
+ rect.height = m_lastClientHeight - 2*m_borderY;
return true;
}
void wxStatusBarGeneric::SetMinHeight(int height)
{
// check that this min height is not less than minimal height for the
- // current font
- wxClientDC dc(this);
- wxCoord y;
- dc.GetTextExtent( wxT("X"), NULL, &y );
+ // current font (min height is as calculated above in Create() except for border)
+ int minHeight = (int)((11*GetCharHeight())/10);
- if ( height > (11*y)/10 )
- {
+ if ( height > minHeight )
SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height + 2*m_borderY);
- }
}
wxRect wxStatusBarGeneric::GetSizeGripRect() const
if (GetFont().IsOk())
dc.SetFont(GetFont());
- dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
+ // compute char height only once for all panes:
+ int textHeight = dc.GetCharHeight();
+ dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
for (size_t i = 0; i < m_panes.GetCount(); i ++)
- DrawField(dc, i);
+ DrawField(dc, i, textHeight);
}
// Responds to colour changes, and passes event on to children.
#endif
}
+void wxStatusBarGeneric::OnSize(wxSizeEvent& WXUNUSED(event))
+{
+ // FIXME: workarounds for OS/2 bugs have nothing to do here (VZ)
+ int width;
+#ifdef __WXPM__
+ GetSize(&width, &m_lastClientHeight);
+#else
+ GetClientSize(&width, &m_lastClientHeight);
+#endif
+
+ // recompute the cache of the field widths if the status bar width has changed
+ m_widthsAbs = CalculateAbsWidths(width);
+}
+
#endif // wxUSE_STATUSBAR