src/generic/statusbr.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/statusbr.cpp
   3 // Purpose:     wxStatusBarGeneric class implementation
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_STATUSBAR
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/frame.h"
  23     #include "wx/settings.h"
  24     #include "wx/dcclient.h"
  25 #endif
  26
  27 #ifdef __WXGTK20__
  28 #include "wx/gtk/private.h"
  29 #include "wx/gtk/win_gtk.h"
  30 #endif
  31
  32 #include "wx/statusbr.h"
  33
  34 // we only have to do it here when we use wxStatusBarGeneric in addition to the
  35 // standard wxStatusBar class, if wxStatusBarGeneric is the same as
  36 // wxStatusBar, then the corresponding IMPLEMENT_DYNAMIC_CLASS is already in
  37 // common/statbar.cpp
  38 #if defined(__WXMAC__) || \
  39     (defined(wxUSE_NATIVE_STATUSBAR) && wxUSE_NATIVE_STATUSBAR)
  40     #include "wx/generic/statusbr.h"
  41
  42     IMPLEMENT_DYNAMIC_CLASS(wxStatusBarGeneric, wxWindow)
  43 #endif // wxUSE_NATIVE_STATUSBAR
  44
  45 BEGIN_EVENT_TABLE(wxStatusBarGeneric, wxWindow)
  46     EVT_PAINT(wxStatusBarGeneric::OnPaint)
  47     EVT_LEFT_DOWN(wxStatusBarGeneric::OnLeftDown)
  48     EVT_RIGHT_DOWN(wxStatusBarGeneric::OnRightDown)
  49     EVT_SYS_COLOUR_CHANGED(wxStatusBarGeneric::OnSysColourChanged)
  50 END_EVENT_TABLE()
  51
  52 // Default status border dimensions
  53 #define         wxTHICK_LINE_BORDER 2
  54
  55 void wxStatusBarGeneric::Init()
  56 {
  57     m_borderX = wxTHICK_LINE_BORDER;
  58     m_borderY = wxTHICK_LINE_BORDER;
  59 }
  60
  61 wxStatusBarGeneric::~wxStatusBarGeneric()
  62 {
  63 }
  64
  65 bool wxStatusBarGeneric::Create(wxWindow *parent,
  66                                 wxWindowID id,
  67                                 long style,
  68                                 const wxString& name)
  69 {
  70     if ( !wxWindow::Create(parent, id,
  71                            wxDefaultPosition, wxDefaultSize,
  72                            style | wxTAB_TRAVERSAL, name) )
  73         return false;
  74
  75     // The status bar should have a themed background
  76     SetThemeEnabled( true );
  77
  78     InitColours();
  79
  80 #ifdef __WXPM__
  81     SetFont(*wxSMALL_FONT);
  82 #endif
  83
  84     // Set the height according to the font and the border size
  85     wxClientDC dc(this);
  86     dc.SetFont(GetFont());
  87
  88     wxCoord y;
  89     dc.GetTextExtent(_T("X"), NULL, &y );
  90
  91     int height = (int)( (11*y)/10 + 2*GetBorderY());
  92
  93     SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height);
  94
  95     SetFieldsCount(1);
  96
  97     return true;
  98 }
  99
 100
 101 wxSize wxStatusBarGeneric::DoGetBestSize() const
 102 {
 103     int width, height;
 104
 105     // best width is the width of the parent
 106     GetParent()->GetClientSize(&width, NULL);
 107
 108     // best height is as calculated above in Create
 109     wxClientDC dc((wxWindow*)this);
 110     dc.SetFont(GetFont());
 111     wxCoord y;
 112     dc.GetTextExtent(_T("X"), NULL, &y );
 113     height = (int)( (11*y)/10 + 2*GetBorderY());
 114
 115     return wxSize(width, height);
 116 }
 117
 118 void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths)
 119 {
 120     wxASSERT_MSG( number >= 0, _T("negative number of fields in wxStatusBar?") );
 121
 122     int i;
 123     for(i = m_nFields; i < number; ++i)
 124         m_statusStrings.Add( wxEmptyString );
 125
 126     for (i = m_nFields - 1; i >= number; --i)
 127         m_statusStrings.RemoveAt(i);
 128
 129     // forget the old cached pixel widths
 130     m_widthsAbs.Empty();
 131
 132     wxStatusBarBase::SetFieldsCount(number, widths);
 133
 134     wxASSERT_MSG( m_nFields == (int)m_statusStrings.GetCount(),
 135                   _T("This really should never happen, can we do away with m_nFields here?") );
 136 }
 137
 138 void wxStatusBarGeneric::SetStatusText(const wxString& text, int number)
 139 {
 140     wxCHECK_RET( (number >= 0) && (number < m_nFields),
 141                  _T("invalid status bar field index") );
 142
 143     wxString oldText = m_statusStrings[number];
 144     if (oldText != text)
 145     {
 146         m_statusStrings[number] = text;
 147
 148         wxRect rect;
 149         GetFieldRect(number, rect);
 150
 151         Refresh( true, &rect );
 152     }
 153 }
 154
 155 wxString wxStatusBarGeneric::GetStatusText(int n) const
 156 {
 157     wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString,
 158                  _T("invalid status bar field index") );
 159
 160     return m_statusStrings[n];
 161 }
 162
 163 void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
 164 {
 165     // only set status widths, when n == number of statuswindows
 166     wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") );
 167
 168     // delete the old widths in any case - this function may be used to reset
 169     // the widths to the default (all equal)
 170     // MBN: this is incompatible with at least wxMSW and wxMAC and not
 171     //      documented, but let's keep it for now
 172     ReinitWidths();
 173
 174     // forget the old cached pixel widths
 175     m_widthsAbs.Empty();
 176
 177     if ( !widths_field )
 178     {
 179         // not an error, see the comment above
 180         Refresh();
 181         return;
 182     }
 183
 184     wxStatusBarBase::SetStatusWidths(n, widths_field);
 185 }
 186
 187 void wxStatusBarGeneric::OnPaint(wxPaintEvent& WXUNUSED(event) )
 188 {
 189     wxPaintDC dc(this);
 190
 191 #ifdef __WXGTK20__
 192     // Draw grip first
 193     if (HasFlag( wxST_SIZEGRIP ))
 194     {
 195         int width, height;
 196         GetClientSize(&width, &height);
 197
 198         gtk_paint_resize_grip( m_widget->style,
 199                                GTK_PIZZA(m_wxwindow)->bin_window,
 200                                (GtkStateType) GTK_WIDGET_STATE (m_widget),
 201                                NULL,
 202                                m_widget,
 203                                "statusbar",
 204                                GDK_WINDOW_EDGE_SOUTH_EAST,
 205                                width-height-2, 1, height-2, height-3 );
 206
 207     }
 208 #endif
 209
 210     if (GetFont().Ok())
 211         dc.SetFont(GetFont());
 212
 213     dc.SetBackgroundMode(wxTRANSPARENT);
 214
 215 #ifdef __WXPM__
 216     wxColour vColor;
 217
 218     vColor = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR);
 219     ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, vColor.GetPixel());
 220 #endif
 221
 222     for (int i = 0; i < m_nFields; i ++)
 223         DrawField(dc, i);
 224 }
 225
 226 void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
 227 {
 228     int leftMargin = 2;
 229
 230     wxRect rect;
 231     GetFieldRect(i, rect);
 232
 233     wxString text(GetStatusText(i));
 234
 235     long x = 0, y = 0;
 236
 237     dc.GetTextExtent(text, &x, &y);
 238
 239     int xpos = rect.x + leftMargin;
 240     int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
 241
 242 #if defined( __WXGTK__ ) || defined(__WXMAC__)
 243     xpos++;
 244     ypos++;
 245 #endif
 246
 247     dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
 248
 249     dc.DrawText(text, xpos, ypos);
 250
 251     dc.DestroyClippingRegion();
 252 }
 253
 254 void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
 255 {
 256     wxRect rect;
 257     GetFieldRect(i, rect);
 258
 259     int style = wxSB_NORMAL;
 260     if (m_statusStyles)
 261         style = m_statusStyles[i];
 262
 263     if (style != wxSB_FLAT)
 264     {
 265         // Draw border
 266         // For wxSB_NORMAL:
 267         // Have grey background, plus 3-d border -
 268         // One black rectangle.
 269         // Inside this, left and top sides - dark grey. Bottom and right -
 270         // white.
 271         // Reverse it for wxSB_RAISED
 272
 273         dc.SetPen((style == wxSB_RAISED) ? m_mediumShadowPen : m_hilightPen);
 274
 275     #ifndef __WXPM__
 276
 277         // Right and bottom lines
 278         dc.DrawLine(rect.x + rect.width, rect.y,
 279                     rect.x + rect.width, rect.y + rect.height);
 280         dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
 281                     rect.x, rect.y + rect.height);
 282
 283         dc.SetPen((style == wxSB_RAISED) ? m_hilightPen : m_mediumShadowPen);
 284
 285         // Left and top lines
 286         dc.DrawLine(rect.x, rect.y + rect.height,
 287                rect.x, rect.y);
 288         dc.DrawLine(rect.x, rect.y,
 289             rect.x + rect.width, rect.y);
 290     #else
 291
 292         dc.DrawLine(rect.x + rect.width, rect.height + 2,
 293                     rect.x, rect.height + 2);
 294         dc.DrawLine(rect.x + rect.width, rect.y,
 295                     rect.x + rect.width, rect.y + rect.height);
 296
 297         dc.SetPen((style == wxSB_RAISED) ? m_hilightPen : m_mediumShadowPen);
 298         dc.DrawLine(rect.x, rect.y,
 299                     rect.x + rect.width, rect.y);
 300         dc.DrawLine(rect.x, rect.y + rect.height,
 301                    rect.x, rect.y);
 302
 303 #endif
 304     }
 305
 306     DrawFieldText(dc, i);
 307 }
 308
 309   // Get the position and size of the field's internal bounding rectangle
 310 bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
 311 {
 312     wxCHECK_MSG( (n >= 0) && (n < m_nFields), false,
 313                  _T("invalid status bar field index") );
 314
 315     // FIXME: workarounds for OS/2 bugs have nothing to do here (VZ)
 316     int width, height;
 317 #ifdef __WXPM__
 318     GetSize(&width, &height);
 319 #else
 320     GetClientSize(&width, &height);
 321 #endif
 322
 323     // we cache m_widthsAbs between calls and recompute it if client
 324     // width has changed (or when it is initially empty)
 325     if ( m_widthsAbs.IsEmpty() || (m_lastClientWidth != width) )
 326     {
 327         wxConstCast(this, wxStatusBarGeneric)->
 328             m_widthsAbs = CalculateAbsWidths(width);
 329         // remember last width for which we have recomputed the widths in pixels
 330         wxConstCast(this, wxStatusBarGeneric)->
 331             m_lastClientWidth = width;
 332     }
 333
 334     rect.x = 0;
 335     for ( int i = 0; i < n; i++ )
 336     {
 337         rect.x += m_widthsAbs[i];
 338     }
 339
 340     rect.x += m_borderX;
 341     rect.y = m_borderY;
 342
 343     rect.width = m_widthsAbs[n] - 2*m_borderX;
 344     rect.height = height - 2*m_borderY;
 345
 346     return true;
 347 }
 348
 349 // Initialize colours
 350 void wxStatusBarGeneric::InitColours()
 351 {
 352     // Shadow colours
 353 #if defined(__WXMSW__) || defined(__WXMAC__)
 354     wxColour mediumShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
 355     m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
 356
 357     wxColour hilightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT));
 358     m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
 359 #elif defined(__WXPM__)
 360     m_mediumShadowPen = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
 361     m_hilightPen = *wxWHITE_PEN;
 362
 363     SetBackgroundColour(*wxLIGHT_GREY);
 364     SetForegroundColour(*wxBLACK);
 365 #else
 366     m_mediumShadowPen = *wxGREY_PEN;
 367     m_hilightPen = *wxWHITE_PEN;
 368 #endif
 369 }
 370
 371 // Responds to colour changes, and passes event on to children.
 372 void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
 373 {
 374     InitColours();
 375
 376     // Propagate the event to the non-top-level children
 377     wxWindow::OnSysColourChanged(event);
 378 }
 379
 380 void wxStatusBarGeneric::SetMinHeight(int height)
 381 {
 382     // check that this min height is not less than minimal height for the
 383     // current font
 384     wxClientDC dc(this);
 385     wxCoord y;
 386     dc.GetTextExtent( wxT("X"), NULL, &y );
 387
 388     if ( height > (11*y)/10 )
 389     {
 390         SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height + 2*m_borderY);
 391     }
 392 }
 393
 394 void wxStatusBarGeneric::OnLeftDown(wxMouseEvent& event)
 395 {
 396 #ifdef __WXGTK20__
 397     int width, height;
 398     GetClientSize(&width, &height);
 399
 400     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 401     {
 402         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 403
 404         if (!GTK_IS_WINDOW (ancestor))
 405             return;
 406
 407         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 408
 409         int org_x = 0;
 410         int org_y = 0;
 411         gdk_window_get_origin( source, &org_x, &org_y );
 412
 413         gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
 414                                   GDK_WINDOW_EDGE_SOUTH_EAST,
 415                                   1,
 416                                   org_x + event.GetX(),
 417                                   org_y + event.GetY(),
 418                                   0);
 419     }
 420     else
 421     {
 422         event.Skip( true );
 423     }
 424 #else
 425     event.Skip( true );
 426 #endif
 427 }
 428
 429 void wxStatusBarGeneric::OnRightDown(wxMouseEvent& event)
 430 {
 431 #ifdef __WXGTK20__
 432     int width, height;
 433     GetClientSize(&width, &height);
 434
 435     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 436     {
 437         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 438
 439         if (!GTK_IS_WINDOW (ancestor))
 440             return;
 441
 442         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 443
 444         int org_x = 0;
 445         int org_y = 0;
 446         gdk_window_get_origin( source, &org_x, &org_y );
 447
 448         gtk_window_begin_move_drag (GTK_WINDOW (ancestor),
 449                                 2,
 450                                 org_x + event.GetX(),
 451                                 org_y + event.GetY(),
 452                                 0);
 453     }
 454     else
 455     {
 456         event.Skip( true );
 457     }
 458 #else
 459     event.Skip( true );
 460 #endif
 461 }
 462
 463 #endif // wxUSE_STATUSBAR