// Name: src/generic/statusbr.cpp
// Purpose: wxStatusBarGeneric class implementation
// Author: Julian Smart
-// Modified by:
+// Modified by: Francesco Montorsi
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
#include "wx/settings.h"
#include "wx/dcclient.h"
#include "wx/toplevel.h"
+ #include "wx/control.h"
#endif
#ifdef __WXGTK20__
#include <gtk/gtk.h>
+ #include "wx/gtk/private.h"
#endif
// we only have to do it here when we use wxStatusBarGeneric in addition to the
// Default status border dimensions
#define wxTHICK_LINE_BORDER 2
+// Margin between the field text and the field rect
+#define wxFIELD_TEXT_MARGIN 2
+
+// ----------------------------------------------------------------------------
+// GTK+ signal handler
+// ----------------------------------------------------------------------------
+
+#if defined( __WXGTK20__ )
+#if GTK_CHECK_VERSION(2,12,0)
+extern "C" {
+static
+gboolean statusbar_query_tooltip(GtkWidget* WXUNUSED(widget),
+ gint x,
+ gint y,
+ gboolean WXUNUSED(keyboard_mode),
+ GtkTooltip *tooltip,
+ wxStatusBar* statbar)
+{
+ int n = statbar->GetFieldFromPoint(wxPoint(x,y));
+ if (n == wxNOT_FOUND)
+ return FALSE;
+
+ // should we show the tooltip for the n-th pane of the statusbar?
+ if (!statbar->GetField(n).IsEllipsized())
+ return FALSE; // no, it's not useful
+
+ const wxString& str = statbar->GetStatusText(n);
+ if (str.empty())
+ return FALSE;
+
+ gtk_tooltip_set_text(tooltip, wxGTK_CONV_SYS(str));
+ return TRUE;
+}
+}
+#endif
+#endif
// ----------------------------------------------------------------------------
// wxStatusBarGeneric
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);
+#if defined( __WXGTK20__ )
+#if GTK_CHECK_VERSION(2,12,0)
+ if (HasFlag(wxSTB_SHOW_TIPS) && !gtk_check_version(2,12,0))
+ {
+ g_object_set(m_widget, "has-tooltip", TRUE, NULL);
+ g_signal_connect(m_widget, "query-tooltip",
+ G_CALLBACK(statusbar_query_tooltip), this);
+ }
+#endif
+#endif
+
return true;
}
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);
}
-void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths)
+void wxStatusBarGeneric::DoUpdateStatusText(int number)
{
- wxASSERT_MSG( number >= 0, _T("negative number of fields in wxStatusBar?") );
-
- // enlarge the m_statusStrings array if needed:
- for (size_t i = m_panes.GetCount(); i < (size_t)number; ++i)
- m_statusStrings.Add( wxEmptyString );
-
- // shrink the m_statusStrings array if needed:
- for (int j = (int)m_panes.GetCount() - 1; j >= number; --j)
- m_statusStrings.RemoveAt(j);
-
- // forget the old cached pixel widths
- m_widthsAbs.Empty();
-
- wxStatusBarBase::SetFieldsCount(number, widths);
-
- wxASSERT_MSG( m_panes.GetCount() == m_statusStrings.GetCount(),
- _T("This really should never happen, can we do away with m_panes.GetCount() here?") );
-}
-
-void wxStatusBarGeneric::SetStatusText(const wxString& text, int number)
-{
- wxCHECK_RET( (number >= 0) && ((size_t)number < m_panes.GetCount()),
- _T("invalid status bar field index") );
-
- wxString oldText = m_statusStrings[number];
- if (oldText != text)
- {
- m_statusStrings[number] = text;
-
- wxRect rect;
- GetFieldRect(number, rect);
-
- Refresh(true, &rect);
+ wxRect rect;
+ GetFieldRect(number, rect);
- // it's common to show some text in the status bar before starting a
- // relatively lengthy operation, ensure that the text is shown to the
- // user immediately and not after the lengthy operation end
- Update();
- }
-}
+ Refresh(true, &rect);
-wxString wxStatusBarGeneric::GetStatusText(int n) const
-{
- wxCHECK_MSG( (n >= 0) && ((size_t)n < m_panes.GetCount()), wxEmptyString,
- _T("invalid status bar field index") );
-
- return m_statusStrings[n];
+ // it's common to show some text in the status bar before starting a
+ // relatively lengthy operation, ensure that the text is shown to the
+ // user immediately and not after the lengthy operation end
+ Update();
}
void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
{
// only set status widths when n == number of statuswindows
- wxCHECK_RET( (size_t)n == m_panes.GetCount(), _T("status bar field count mismatch") );
-
- // forget the old cached pixel widths
- m_widthsAbs.Empty();
+ wxCHECK_RET( (size_t)n == m_panes.GetCount(), wxT("status bar field count mismatch") );
wxStatusBarBase::SetStatusWidths(n, widths_field);
+
+ // update cache
+ int width;
+ GetClientSize(&width, &m_lastClientHeight);
+ m_widthsAbs = CalculateAbsWidths(width);
}
bool wxStatusBarGeneric::ShowsSizeGrip() const
{
- if ( !HasFlag(wxST_SIZEGRIP) )
+ if ( !HasFlag(wxSTB_SIZEGRIP) )
return false;
wxTopLevelWindow * const
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)
{
- int leftMargin = 2;
+ wxString text(GetStatusText(i));
+ if (text.empty())
+ return; // optimization
- wxRect rect;
- GetFieldRect(i, rect);
+ int xpos = rect.x + wxFIELD_TEXT_MARGIN,
+ maxWidth = rect.width - 2*wxFIELD_TEXT_MARGIN,
+ ypos = (int) (((rect.height - textHeight) / 2) + rect.y + 0.5);
- wxString text(GetStatusText(i));
+ if (ShowsSizeGrip())
+ {
+ // don't write text over the size grip:
+ // NOTE: overloading DoGetClientSize() and GetClientAreaOrigin() wouldn't
+ // 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) ||
+ (GetLayoutDirection() != wxLayout_RightToLeft &&
+ i == (int)m_panes.GetCount()-1))
+ {
+ const wxRect& gripRc = 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
- wxCoord x = 0, y = 0;
- dc.GetTextExtent(text, &x, &y);
+ maxWidth -= gripRc.width;
+ }
+ }
+
+ // eventually ellipsize the text so that it fits the field width
+
+ wxEllipsizeMode ellmode = (wxEllipsizeMode)-1;
+ if (HasFlag(wxSTB_ELLIPSIZE_START)) ellmode = wxELLIPSIZE_START;
+ else if (HasFlag(wxSTB_ELLIPSIZE_MIDDLE)) ellmode = wxELLIPSIZE_MIDDLE;
+ else if (HasFlag(wxSTB_ELLIPSIZE_END)) ellmode = wxELLIPSIZE_END;
+
+ if (ellmode == (wxEllipsizeMode)-1)
+ {
+ // if we have the wxSTB_SHOW_TIPS we must set the ellipsized flag even if
+ // we don't ellipsize the text but just truncate it
+ if (HasFlag(wxSTB_SHOW_TIPS))
+ SetEllipsizedFlag(i, dc.GetTextExtent(text).GetWidth() > maxWidth);
- int xpos = rect.x + leftMargin;
- int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5);
+ dc.SetClippingRegion(rect);
+ }
+ else
+ {
+ text = wxControl::Ellipsize(text, dc,
+ ellmode,
+ maxWidth,
+ wxELLIPSIZE_FLAGS_EXPAND_TABS);
+ // Ellipsize() will do something only if necessary
+
+ // 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(i, text != GetStatusText(i));
+ }
#if defined( __WXGTK__ ) || defined(__WXMAC__)
xpos++;
ypos++;
#endif
- dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
-
+ // draw the text
dc.DrawText(text, xpos, ypos);
- dc.DestroyClippingRegion();
+ if (ellmode == (wxEllipsizeMode)-1)
+ dc.DestroyClippingRegion();
}
-void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
+void wxStatusBarGeneric::DrawField(wxDC& dc, int i, int textHeight)
{
wxRect rect;
GetFieldRect(i, rect);
- int style = m_panes[i].nStyle;
+ if (rect.GetWidth() <= 0)
+ return; // happens when the status bar is shrinked in a very small area!
+
+ int style = m_panes[i].GetStyle();
if (style != wxSB_FLAT)
{
// Draw border
- // For wxSB_NORMAL:
- // Have grey background, plus 3-d border -
- // One black rectangle.
- // Inside this, left and top sides - dark grey. Bottom and right -
- // white.
+ // For wxSB_NORMAL: paint a grey background, plus 3-d border (one black rectangle)
+ // Inside this, left and top sides (dark grey). Bottom and right (white).
// Reverse it for wxSB_RAISED
dc.SetPen((style == wxSB_RAISED) ? m_mediumShadowPen : m_hilightPen);
dc.DrawLine(rect.x, rect.y,
rect.x + rect.width, rect.y);
dc.DrawLine(rect.x, rect.y + rect.height,
- rect.x, rect.y);
-
+ 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
bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
{
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
+ wxT("invalid status bar field index") );
- // 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 )
- {
- 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;
}
-// Initialize colours
+int wxStatusBarGeneric::GetFieldFromPoint(const wxPoint& pt) const
+{
+ if (m_widthsAbs.IsEmpty())
+ return wxNOT_FOUND;
+
+ // NOTE: we explicitely don't take in count the borders since they are only
+ // useful when rendering the status text, not for hit-test computations
+
+ if (pt.y <= 0 || pt.y >= m_lastClientHeight)
+ return wxNOT_FOUND;
+
+ int x = 0;
+ for ( size_t i = 0; i < m_panes.GetCount(); i++ )
+ {
+ if (pt.x > x && pt.x < x+m_widthsAbs[i])
+ return i;
+
+ x += m_widthsAbs[i];
+ }
+
+ return wxNOT_FOUND;
+}
+
void wxStatusBarGeneric::InitColours()
{
#if defined(__WXPM__)
- m_mediumShadowPen = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
+ m_mediumShadowPen = wxPen(wxColour(127, 127, 127));
m_hilightPen = *wxWHITE_PEN;
SetBackgroundColour(*wxLIGHT_GREY);
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
+{
+ int width, height;
+ wxWindow::DoGetClientSize(&width, &height);
+
+ if (GetLayoutDirection() == wxLayout_RightToLeft)
+ return wxRect(2, 2, height-2, height-4);
+ else
+ return wxRect(width-height-2, 2, height-2, height-4);
+}
// ----------------------------------------------------------------------------
// wxStatusBarGeneric - event handlers
// Draw grip first
if ( ShowsSizeGrip() )
{
- int width, height;
- GetClientSize(&width, &height);
-
- if (GetLayoutDirection() == wxLayout_RightToLeft)
- {
- gtk_paint_resize_grip( m_widget->style,
- GTKGetDrawingWindow(),
- (GtkStateType) GTK_WIDGET_STATE (m_widget),
- NULL,
- m_widget,
- "statusbar",
- GDK_WINDOW_EDGE_SOUTH_WEST,
- 2, 2, height-2, height-4 );
- }
- else
- {
- gtk_paint_resize_grip( m_widget->style,
- GTKGetDrawingWindow(),
- (GtkStateType) GTK_WIDGET_STATE (m_widget),
- NULL,
- m_widget,
- "statusbar",
- GDK_WINDOW_EDGE_SOUTH_EAST,
- width-height-2, 2, height-2, height-4 );
- }
+ const wxRect& rc = GetSizeGripRect();
+ GdkWindowEdge edge =
+ GetLayoutDirection() == wxLayout_RightToLeft ? GDK_WINDOW_EDGE_SOUTH_WEST :
+ GDK_WINDOW_EDGE_SOUTH_EAST;
+ gtk_paint_resize_grip( m_widget->style,
+ GTKGetDrawingWindow(),
+ (GtkStateType) GTK_WIDGET_STATE (m_widget),
+ NULL,
+ m_widget,
+ "statusbar",
+ edge,
+ rc.x, rc.y, rc.width, rc.height );
}
#endif // __WXGTK20__
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.
void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
{
InitColours();
#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
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