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 }
  70
  71 bool wxStatusBarGeneric::Create(wxWindow *parent,
  72                                 wxWindowID id,
  73                                 long style,
  74                                 const wxString& name)
  75 {
  76   if ( !wxWindow::Create(parent, id,
  77                          wxDefaultPosition, wxDefaultSize,
  78                          style | wxTAB_TRAVERSAL, name) )
  79       return false;
  80
  81   // The status bar should have a themed background
  82   SetThemeEnabled( true );
  83
  84   InitColours();
  85
  86 #ifdef __WXPM__
  87   SetFont(*wxSMALL_FONT);
  88 #endif
  89
  90   // Set the height according to the font and the border size
  91   wxClientDC dc(this);
  92   dc.SetFont(GetFont());
  93
  94   wxCoord y;
  95   dc.GetTextExtent(_T("X"), NULL, &y );
  96
  97   int height = (int)( (11*y)/10 + 2*GetBorderY());
  98
  99   SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height);
 100
 101   SetFieldsCount(1);
 102
 103   return true;
 104 }
 105
 106
 107 wxSize wxStatusBarGeneric::DoGetBestSize() const
 108 {
 109     int width, height;
 110
 111     // best width is the width of the parent
 112     GetParent()->GetClientSize(&width, NULL);
 113
 114     // best height is as calculated above in Create
 115     wxClientDC dc((wxWindow*)this);
 116     dc.SetFont(GetFont());
 117     wxCoord y;
 118     dc.GetTextExtent(_T("X"), NULL, &y );
 119     height = (int)( (11*y)/10 + 2*GetBorderY());
 120
 121     return wxSize(width, height);
 122 }
 123
 124 void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths)
 125 {
 126     wxASSERT_MSG( number >= 0, _T("negative number of fields in wxStatusBar?") );
 127
 128     int i;
 129     for(i = m_nFields; i < number; ++i)
 130         m_statusStrings.Add( wxEmptyString );
 131
 132     for (i = m_nFields - 1; i >= number; --i)
 133         m_statusStrings.RemoveAt(i);
 134
 135     // forget the old cached pixel widths
 136     m_widthsAbs.Empty();
 137
 138     wxStatusBarBase::SetFieldsCount(number, widths);
 139
 140     wxASSERT_MSG( m_nFields == (int)m_statusStrings.GetCount(),
 141                   _T("This really should never happen, can we do away with m_nFields here?") );
 142 }
 143
 144 void wxStatusBarGeneric::SetStatusText(const wxString& text, int number)
 145 {
 146     wxCHECK_RET( (number >= 0) && (number < m_nFields),
 147                  _T("invalid status bar field index") );
 148
 149     wxString oldText = m_statusStrings[number];
 150     if (oldText != text)
 151     {
 152         m_statusStrings[number] = text;
 153
 154         wxRect rect;
 155         GetFieldRect(number, rect);
 156
 157         Refresh( true, &rect );
 158     }
 159 }
 160
 161 wxString wxStatusBarGeneric::GetStatusText(int n) const
 162 {
 163     wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString,
 164                  _T("invalid status bar field index") );
 165
 166     return m_statusStrings[n];
 167 }
 168
 169 void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
 170 {
 171     // only set status widths, when n == number of statuswindows
 172     wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") );
 173
 174     // delete the old widths in any case - this function may be used to reset
 175     // the widths to the default (all equal)
 176     // MBN: this is incompatible with at least wxMSW and wxMAC and not
 177     //      documented, but let's keep it for now
 178     ReinitWidths();
 179
 180     // forget the old cached pixel widths
 181     m_widthsAbs.Empty();
 182
 183     if ( !widths_field )
 184     {
 185         // not an error, see the comment above
 186         Refresh();
 187         return;
 188     }
 189
 190     wxStatusBarBase::SetStatusWidths(n, widths_field);
 191 }
 192
 193 void wxStatusBarGeneric::OnPaint(wxPaintEvent& WXUNUSED(event) )
 194 {
 195     wxPaintDC dc(this);
 196
 197 #ifdef __WXGTK20__
 198     // Draw grip first
 199     if (HasFlag( wxST_SIZEGRIP ))
 200     {
 201         int width, height;
 202         GetClientSize(&width, &height);
 203
 204         gtk_paint_resize_grip( m_widget->style,
 205                                GTK_PIZZA(m_wxwindow)->bin_window,
 206                                (GtkStateType) GTK_WIDGET_STATE (m_widget),
 207                                NULL,
 208                                m_widget,
 209                                "statusbar",
 210                                GDK_WINDOW_EDGE_SOUTH_EAST,
 211                                width-height-2, 1, height-2, height-3 );
 212
 213     }
 214 #endif
 215
 216   if (GetFont().Ok())
 217         dc.SetFont(GetFont());
 218
 219   dc.SetBackgroundMode(wxTRANSPARENT);
 220
 221 #ifdef __WXPM__
 222   wxColour vColor;
 223
 224   vColor = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR);
 225   ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, vColor.GetPixel());
 226 #endif
 227
 228   for (int i = 0; i < m_nFields; i ++)
 229         DrawField(dc, i);
 230 }
 231
 232 void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
 233 {
 234   int leftMargin = 2;
 235
 236   wxRect rect;
 237   GetFieldRect(i, rect);
 238
 239   wxString text(GetStatusText(i));
 240
 241   long x, y;
 242
 243   dc.GetTextExtent(text, &x, &y);
 244
 245   int xpos = rect.x + leftMargin;
 246   int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
 247
 248 #if defined( __WXGTK__ ) || defined(__WXMAC__)
 249   xpos++;
 250   ypos++;
 251 #endif
 252
 253   dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
 254
 255   dc.DrawText(text, xpos, ypos);
 256
 257   dc.DestroyClippingRegion();
 258 }
 259
 260 void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
 261 {
 262     wxRect rect;
 263     GetFieldRect(i, rect);
 264
 265     int style = wxSB_NORMAL;
 266     if (m_statusStyles)
 267         style = m_statusStyles[i];
 268
 269     if (style != wxSB_FLAT)
 270     {
 271         // Draw border
 272         // For wxSB_NORMAL:
 273         // Have grey background, plus 3-d border -
 274         // One black rectangle.
 275         // Inside this, left and top sides - dark grey. Bottom and right -
 276         // white.
 277         // Reverse it for wxSB_RAISED
 278
 279         dc.SetPen((style == wxSB_RAISED) ? m_mediumShadowPen : m_hilightPen);
 280
 281     #ifndef __WXPM__
 282
 283         // Right and bottom lines
 284         dc.DrawLine(rect.x + rect.width, rect.y,
 285                     rect.x + rect.width, rect.y + rect.height);
 286         dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
 287                     rect.x, rect.y + rect.height);
 288
 289         dc.SetPen((style == wxSB_RAISED) ? m_hilightPen : m_mediumShadowPen);
 290
 291         // Left and top lines
 292         dc.DrawLine(rect.x, rect.y + rect.height,
 293                rect.x, rect.y);
 294         dc.DrawLine(rect.x, rect.y,
 295             rect.x + rect.width, rect.y);
 296     #else
 297
 298         dc.DrawLine(rect.x + rect.width, rect.height + 2,
 299                     rect.x, rect.height + 2);
 300         dc.DrawLine(rect.x + rect.width, rect.y,
 301                     rect.x + rect.width, rect.y + rect.height);
 302
 303         dc.SetPen((style == wxSB_RAISED) ? m_hilightPen : m_mediumShadowPen);
 304         dc.DrawLine(rect.x, rect.y,
 305                     rect.x + rect.width, rect.y);
 306         dc.DrawLine(rect.x, rect.y + rect.height,
 307                    rect.x, rect.y);
 308
 309 #endif
 310     }
 311
 312     DrawFieldText(dc, i);
 313 }
 314
 315   // Get the position and size of the field's internal bounding rectangle
 316 bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
 317 {
 318     wxCHECK_MSG( (n >= 0) && (n < m_nFields), false,
 319                  _T("invalid status bar field index") );
 320
 321     // FIXME: workarounds for OS/2 bugs have nothing to do here (VZ)
 322     int width, height;
 323 #ifdef __WXPM__
 324     GetSize(&width, &height);
 325 #else
 326     GetClientSize(&width, &height);
 327 #endif
 328
 329     // we cache m_widthsAbs between calls and recompute it if client
 330     // width has changed (or when it is initially empty)
 331     if ( m_widthsAbs.IsEmpty() || (m_lastClientWidth != width) )
 332     {
 333         wxConstCast(this, wxStatusBarGeneric)->
 334             m_widthsAbs = CalculateAbsWidths(width);
 335         // remember last width for which we have recomputed the widths in pixels
 336         wxConstCast(this, wxStatusBarGeneric)->
 337             m_lastClientWidth = width;
 338     }
 339
 340     rect.x = 0;
 341     for ( int i = 0; i < n; i++ )
 342     {
 343         rect.x += m_widthsAbs[i];
 344     }
 345
 346     rect.x += m_borderX;
 347     rect.y = m_borderY;
 348
 349     rect.width = m_widthsAbs[n] - 2*m_borderX;
 350     rect.height = height - 2*m_borderY;
 351
 352     return true;
 353 }
 354
 355 // Initialize colours
 356 void wxStatusBarGeneric::InitColours()
 357 {
 358     // Shadow colours
 359 #if defined(__WIN95__) || defined(__WXMAC__)
 360     wxColour mediumShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
 361     m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
 362
 363     wxColour hilightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT));
 364     m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
 365 #elif defined(__WXPM__)
 366     m_mediumShadowPen = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
 367     m_hilightPen = wxPen("WHITE", 1, wxSOLID);
 368
 369     wxColour                        vColour;
 370
 371     vColour.Set(wxString("LIGHT GREY"));
 372     SetBackgroundColour(vColour);
 373     vColour.Set(wxString("BLACK"));
 374     SetForegroundColour(vColour);
 375 #else
 376     m_mediumShadowPen = wxPen("GREY", 1, wxSOLID);
 377     m_hilightPen = wxPen("WHITE", 1, wxSOLID);
 378 #endif
 379 }
 380
 381 // Responds to colour changes, and passes event on to children.
 382 void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
 383 {
 384     InitColours();
 385
 386     // Propagate the event to the non-top-level children
 387     wxWindow::OnSysColourChanged(event);
 388 }
 389
 390 void wxStatusBarGeneric::SetMinHeight(int height)
 391 {
 392     // check that this min height is not less than minimal height for the
 393     // current font
 394     wxClientDC dc(this);
 395     wxCoord y;
 396     dc.GetTextExtent( wxT("X"), NULL, &y );
 397
 398     if ( height > (11*y)/10 )
 399     {
 400         SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height + 2*m_borderY);
 401     }
 402 }
 403
 404 void wxStatusBarGeneric::OnLeftDown(wxMouseEvent& event)
 405 {
 406 #ifdef __WXGTK20__
 407     int width, height;
 408     GetClientSize(&width, &height);
 409
 410     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 411     {
 412         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 413
 414         if (!GTK_IS_WINDOW (ancestor))
 415             return;
 416
 417         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 418
 419         int org_x = 0;
 420         int org_y = 0;
 421         gdk_window_get_origin( source, &org_x, &org_y );
 422
 423         gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
 424                                   GDK_WINDOW_EDGE_SOUTH_EAST,
 425                                   1,
 426                                   org_x + event.GetX(),
 427                                   org_y + event.GetY(),
 428                                   0);
 429     }
 430     else
 431     {
 432         event.Skip( true );
 433     }
 434 #else
 435     event.Skip( true );
 436 #endif
 437 }
 438
 439 void wxStatusBarGeneric::OnRightDown(wxMouseEvent& event)
 440 {
 441 #ifdef __WXGTK20__
 442     int width, height;
 443     GetClientSize(&width, &height);
 444
 445     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 446     {
 447         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 448
 449         if (!GTK_IS_WINDOW (ancestor))
 450             return;
 451
 452         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 453
 454         int org_x = 0;
 455         int org_y = 0;
 456         gdk_window_get_origin( source, &org_x, &org_y );
 457
 458         gtk_window_begin_move_drag (GTK_WINDOW (ancestor),
 459                                 2,
 460                                 org_x + event.GetX(),
 461                                 org_y + event.GetY(),
 462                                 0);
 463     }
 464     else
 465     {
 466         event.Skip( true );
 467     }
 468 #else
 469     event.Skip( true );
 470 #endif
 471 }
 472
 473 #endif // wxUSE_STATUSBAR
 474