src/generic/statusbr.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "statusbr.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_STATUSBAR
  24
  25 #ifndef WX_PRECOMP
  26 #include "wx/setup.h"
  27 #include "wx/frame.h"
  28 #include "wx/settings.h"
  29 #include "wx/dcclient.h"
  30 #endif
  31
  32 #ifdef __WXGTK20__
  33 #include "wx/gtk/private.h"
  34 #include "wx/gtk/win_gtk.h"
  35 #endif
  36
  37 #include "wx/statusbr.h"
  38
  39 // we only have to do it here when we use wxStatusBarGeneric in addition to the
  40 // standard wxStatusBar class, if wxStatusBarGeneric is the same as
  41 // wxStatusBar, then the corresponding IMPLEMENT_DYNAMIC_CLASS is already in
  42 // common/statbar.cpp
  43 #if defined(__WXMAC__) || \
  44     (defined(wxUSE_NATIVE_STATUSBAR) && wxUSE_NATIVE_STATUSBAR)
  45     #include "wx/generic/statusbr.h"
  46
  47     IMPLEMENT_DYNAMIC_CLASS(wxStatusBarGeneric, wxWindow)
  48 #endif // wxUSE_NATIVE_STATUSBAR
  49
  50 BEGIN_EVENT_TABLE(wxStatusBarGeneric, wxWindow)
  51     EVT_PAINT(wxStatusBarGeneric::OnPaint)
  52     EVT_LEFT_DOWN(wxStatusBarGeneric::OnLeftDown)
  53     EVT_RIGHT_DOWN(wxStatusBarGeneric::OnRightDown)
  54     EVT_SYS_COLOUR_CHANGED(wxStatusBarGeneric::OnSysColourChanged)
  55 END_EVENT_TABLE()
  56
  57 // Default status border dimensions
  58 #define         wxTHICK_LINE_BORDER 2
  59 #define         wxTHICK_LINE_WIDTH  1
  60
  61 void wxStatusBarGeneric::Init()
  62 {
  63   m_borderX = wxTHICK_LINE_BORDER;
  64   m_borderY = wxTHICK_LINE_BORDER;
  65 }
  66
  67 wxStatusBarGeneric::~wxStatusBarGeneric()
  68 {
  69     // VZ: what is this for? please comment...
  70 #ifdef __WXMSW__
  71     SetFont(wxNullFont);
  72 #endif // MSW
  73 }
  74
  75 bool wxStatusBarGeneric::Create(wxWindow *parent,
  76                                 wxWindowID id,
  77                                 long style,
  78                                 const wxString& name)
  79 {
  80   if ( !wxWindow::Create(parent, id,
  81                          wxDefaultPosition, wxDefaultSize,
  82                          style | wxTAB_TRAVERSAL, name) )
  83       return FALSE;
  84
  85   // The status bar should have a themed background
  86   SetThemeEnabled( TRUE );
  87
  88   // Don't wish this to be found as a child
  89 #ifndef __WXMAC__
  90   parent->GetChildren().DeleteObject(this);
  91 #endif
  92   InitColours();
  93
  94   SetFont(m_defaultStatusBarFont);
  95
  96   // Set the height according to the font and the border size
  97   wxClientDC dc(this);
  98   dc.SetFont(GetFont());
  99
 100   wxCoord y;
 101   dc.GetTextExtent(_T("X"), NULL, &y );
 102
 103   int height = (int)( (11*y)/10 + 2*GetBorderY());
 104
 105   SetSize(-1, -1, -1, height);
 106
 107   SetFieldsCount(1);
 108
 109   return TRUE;
 110 }
 111
 112 void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths)
 113 {
 114     wxASSERT_MSG( number >= 0, _T("negative number of fields in wxStatusBar?") );
 115
 116     int i;
 117     for(i = m_nFields; i < number; ++i)
 118         m_statusStrings.Add( wxEmptyString );
 119
 120     for (i = m_nFields - 1; i >= number; --i)
 121         m_statusStrings.RemoveAt(i);
 122
 123     m_nFields = number;
 124
 125     wxASSERT_MSG( m_nFields == (int)m_statusStrings.GetCount(),
 126                   _T("This really should never happen, can we do away with m_nFields here?") );
 127
 128     SetStatusWidths(number, widths);
 129 }
 130
 131 void wxStatusBarGeneric::SetStatusText(const wxString& text, int number)
 132 {
 133     wxCHECK_RET( (number >= 0) && (number < m_nFields),
 134                  _T("invalid status bar field index") );
 135
 136     wxString oldText = m_statusStrings[number];
 137     if (oldText != text)
 138     {
 139         m_statusStrings[number] = text;
 140
 141         wxRect rect;
 142         GetFieldRect(number, rect);
 143
 144         Refresh( TRUE, &rect );
 145     }
 146 }
 147
 148 wxString wxStatusBarGeneric::GetStatusText(int n) const
 149 {
 150     wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString,
 151                  _T("invalid status bar field index") );
 152
 153     return m_statusStrings[n];
 154 }
 155
 156 void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
 157 {
 158     // only set status widths, when n == number of statuswindows
 159     wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") );
 160
 161     // delete the old widths in any case - this function may be used to reset
 162     // the widths to the default (all equal)
 163     // MBN: this is incompatible with at least wxMSW and wxMAC and not
 164     //      documented, but let's keep it for now
 165     ReinitWidths();
 166
 167     // forget the old cached pixel widths
 168     m_widthsAbs.Empty();
 169
 170     if ( !widths_field )
 171     {
 172         // not an error, see the comment above
 173         Refresh();
 174         return;
 175     }
 176
 177     wxStatusBarBase::SetStatusWidths(n, widths_field);
 178 }
 179
 180 void wxStatusBarGeneric::OnPaint(wxPaintEvent& WXUNUSED(event) )
 181 {
 182     wxPaintDC dc(this);
 183
 184 #ifdef __WXGTK20__
 185     // Draw grip first
 186     if (HasFlag( wxST_SIZEGRIP ))
 187     {
 188         int width, height;
 189         GetClientSize(&width, &height);
 190
 191         gtk_paint_resize_grip( m_widget->style,
 192                                GTK_PIZZA(m_wxwindow)->bin_window,
 193                                (GtkStateType) GTK_WIDGET_STATE (m_widget),
 194                                NULL,
 195                                m_widget,
 196                                "statusbar",
 197                                GDK_WINDOW_EDGE_SOUTH_EAST,
 198                                width-height-2, 1, height-2, height-3 );
 199
 200     }
 201 #endif
 202
 203   if (GetFont().Ok())
 204         dc.SetFont(GetFont());
 205
 206   dc.SetBackgroundMode(wxTRANSPARENT);
 207
 208 #ifdef __WXPM__
 209   wxColour vColor;
 210
 211   vColor = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR);
 212   ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, vColor.GetPixel());
 213 #endif
 214
 215   for (int i = 0; i < m_nFields; i ++)
 216         DrawField(dc, i);
 217 }
 218
 219 void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
 220 {
 221   int leftMargin = 2;
 222
 223   wxRect rect;
 224   GetFieldRect(i, rect);
 225
 226   wxString text(GetStatusText(i));
 227
 228   long x, y;
 229
 230   dc.GetTextExtent(text, &x, &y);
 231
 232   int xpos = rect.x + leftMargin;
 233   int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
 234
 235 #if defined( __WXGTK__ ) || defined(__WXMAC__)
 236   xpos++;
 237   ypos++;
 238 #endif
 239
 240   dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
 241
 242   dc.DrawText(text, xpos, ypos);
 243
 244   dc.DestroyClippingRegion();
 245 }
 246
 247 void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
 248 {
 249     wxRect rect;
 250     GetFieldRect(i, rect);
 251
 252     // Draw border
 253     // Have grey background, plus 3-d border -
 254     // One black rectangle.
 255     // Inside this, left and top sides - dark grey. Bottom and right -
 256     // white.
 257
 258     dc.SetPen(m_hilightPen);
 259
 260 #ifndef __WXPM__
 261
 262     // Right and bottom white lines
 263     dc.DrawLine(rect.x + rect.width, rect.y,
 264                 rect.x + rect.width, rect.y + rect.height);
 265     dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
 266                 rect.x, rect.y + rect.height);
 267
 268     dc.SetPen(m_mediumShadowPen);
 269
 270     // Left and top grey lines
 271     dc.DrawLine(rect.x, rect.y + rect.height,
 272            rect.x, rect.y);
 273     dc.DrawLine(rect.x, rect.y,
 274         rect.x + rect.width, rect.y);
 275 #else
 276
 277     dc.DrawLine(rect.x + rect.width, rect.height + 2,
 278                 rect.x, rect.height + 2);
 279     dc.DrawLine(rect.x + rect.width, rect.y,
 280                 rect.x + rect.width, rect.y + rect.height);
 281
 282     dc.SetPen(m_mediumShadowPen);
 283     dc.DrawLine(rect.x, rect.y,
 284                 rect.x + rect.width, rect.y);
 285     dc.DrawLine(rect.x, rect.y + rect.height,
 286                 rect.x, rect.y);
 287
 288 #endif
 289
 290     DrawFieldText(dc, i);
 291 }
 292
 293   // Get the position and size of the field's internal bounding rectangle
 294 bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
 295 {
 296     wxCHECK_MSG( (n >= 0) && (n < m_nFields), FALSE,
 297                  _T("invalid status bar field index") );
 298
 299     // FIXME: workarounds for OS/2 bugs have nothing to do here (VZ)
 300     int width, height;
 301 #ifdef __WXPM__
 302     GetSize(&width, &height);
 303 #else
 304     GetClientSize(&width, &height);
 305 #endif
 306
 307     // we cache m_widthsAbs between calls and recompute it if client
 308     // width has changed (or when it is initially empty)
 309     if ( m_widthsAbs.IsEmpty() || (m_lastClientWidth != width) )
 310     {
 311         wxConstCast(this, wxStatusBarGeneric)->
 312             m_widthsAbs = CalculateAbsWidths(width);
 313         // remember last width for which we have recomputed the widths in pixels
 314         wxConstCast(this, wxStatusBarGeneric)->
 315             m_lastClientWidth = width;
 316     }
 317
 318     rect.x = 0;
 319     for ( int i = 0; i < n; i++ )
 320     {
 321         rect.x += m_widthsAbs[i];
 322     }
 323
 324     rect.x += m_borderX;
 325     rect.y = m_borderY;
 326
 327     rect.width = m_widthsAbs[n] - 2*m_borderX;
 328     rect.height = height - 2*m_borderY;
 329
 330     return TRUE;
 331 }
 332
 333 // Initialize colours
 334 void wxStatusBarGeneric::InitColours()
 335 {
 336     // Shadow colours
 337 #if defined(__WIN95__) || defined(__WXMAC__)
 338     wxColour mediumShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
 339     m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
 340
 341     wxColour hilightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT));
 342     m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
 343 #elif defined(__WXPM__)
 344     m_mediumShadowPen = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
 345     m_hilightPen = wxPen("WHITE", 1, wxSOLID);
 346
 347     wxColour                        vColour;
 348
 349     vColour.Set(wxString("LIGHT GREY"));
 350     SetBackgroundColour(vColour);
 351     vColour.Set(wxString("BLACK"));
 352     SetForegroundColour(vColour);
 353     m_defaultStatusBarFont = *wxSMALL_FONT;
 354 #else
 355     m_mediumShadowPen = wxPen("GREY", 1, wxSOLID);
 356     m_hilightPen = wxPen("WHITE", 1, wxSOLID);
 357 #endif
 358
 359 #ifndef __WXPM__
 360     m_defaultStatusBarFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 361     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 362 #endif
 363 }
 364
 365 // Responds to colour changes, and passes event on to children.
 366 void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
 367 {
 368     InitColours();
 369     Refresh();
 370
 371     // Propagate the event to the non-top-level children
 372     wxWindow::OnSysColourChanged(event);
 373 }
 374
 375 void wxStatusBarGeneric::SetMinHeight(int height)
 376 {
 377     // check that this min height is not less than minimal height for the
 378     // current font
 379     wxClientDC dc(this);
 380     wxCoord y;
 381     dc.GetTextExtent( wxT("X"), NULL, &y );
 382
 383     if ( height > (11*y)/10 )
 384     {
 385         SetSize(-1, -1, -1, height + 2*m_borderY);
 386     }
 387 }
 388
 389 void wxStatusBarGeneric::OnLeftDown(wxMouseEvent& event)
 390 {
 391 #ifdef __WXGTK20__
 392     int width, height;
 393     GetClientSize(&width, &height);
 394
 395     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 396     {
 397         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 398
 399         if (!GTK_IS_WINDOW (ancestor))
 400             return;
 401
 402         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 403
 404         int org_x = 0;
 405         int org_y = 0;
 406         gdk_window_get_origin( source, &org_x, &org_y );
 407
 408         gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
 409                                   GDK_WINDOW_EDGE_SOUTH_EAST,
 410                                   1,
 411                                   org_x + event.GetX(),
 412                                   org_y + event.GetY(),
 413                                   0);
 414     }
 415     else
 416     {
 417         event.Skip( TRUE );
 418     }
 419 #else
 420     event.Skip( TRUE );
 421 #endif
 422 }
 423
 424 void wxStatusBarGeneric::OnRightDown(wxMouseEvent& event)
 425 {
 426 #ifdef __WXGTK20__
 427     int width, height;
 428     GetClientSize(&width, &height);
 429
 430     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 431     {
 432         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 433
 434         if (!GTK_IS_WINDOW (ancestor))
 435             return;
 436
 437         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 438
 439         int org_x = 0;
 440         int org_y = 0;
 441         gdk_window_get_origin( source, &org_x, &org_y );
 442
 443         gtk_window_begin_move_drag (GTK_WINDOW (ancestor),
 444                                 2,
 445                                 org_x + event.GetX(),
 446                                 org_y + event.GetY(),
 447                                 0);
 448     }
 449     else
 450     {
 451         event.Skip( TRUE );
 452     }
 453 #else
 454     event.Skip( TRUE );
 455 #endif
 456 }
 457
 458 #endif // wxUSE_STATUSBAR
 459