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 #ifdef __GNUG__
  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     m_statusStrings[number] = text;
 137
 138     wxRect rect;
 139     GetFieldRect(number, rect);
 140
 141     Refresh( TRUE, &rect );
 142 }
 143
 144 wxString wxStatusBarGeneric::GetStatusText(int n) const
 145 {
 146     wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString,
 147                  _T("invalid status bar field index") );
 148
 149     return m_statusStrings[n];
 150 }
 151
 152 void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
 153 {
 154     // only set status widths, when n == number of statuswindows
 155     wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") );
 156
 157     // delete the old widths in any case - this function may be used to reset
 158     // the widths to the default (all equal)
 159     // MBN: this is incompatible with at least wxMSW and wxMAC and not
 160     //      documented, but let's keep it for now
 161     ReinitWidths();
 162
 163     // forget the old cached pixel widths
 164     m_widthsAbs.Empty();
 165
 166     if ( !widths_field )
 167     {
 168         // not an error, see the comment above
 169         Refresh();
 170         return;
 171     }
 172
 173     wxStatusBarBase::SetStatusWidths(n, widths_field);
 174 }
 175
 176 void wxStatusBarGeneric::OnPaint(wxPaintEvent& WXUNUSED(event) )
 177 {
 178     wxPaintDC dc(this);
 179
 180 #ifdef __WXGTK20__
 181     // Draw grip first
 182     if (HasFlag( wxST_SIZEGRIP ))
 183     {
 184         int width, height;
 185         GetClientSize(&width, &height);
 186
 187         gtk_paint_resize_grip( m_widget->style,
 188                                GTK_PIZZA(m_wxwindow)->bin_window,
 189                                (GtkStateType) GTK_WIDGET_STATE (m_widget),
 190                                NULL,
 191                                m_widget,
 192                                "statusbar",
 193                                GDK_WINDOW_EDGE_SOUTH_EAST,
 194                                width-height-2, 1, height-2, height-3 );
 195
 196     }
 197 #endif
 198
 199   if (GetFont().Ok())
 200         dc.SetFont(GetFont());
 201
 202   dc.SetBackgroundMode(wxTRANSPARENT);
 203
 204 #ifdef __WXPM__
 205   wxColour vColor;
 206
 207   vColor = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR);
 208   ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, vColor.GetPixel());
 209 #endif
 210
 211   for (int i = 0; i < m_nFields; i ++)
 212         DrawField(dc, i);
 213 }
 214
 215 void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
 216 {
 217   int leftMargin = 2;
 218
 219   wxRect rect;
 220   GetFieldRect(i, rect);
 221
 222   wxString text(GetStatusText(i));
 223
 224   long x, y;
 225
 226   dc.GetTextExtent(text, &x, &y);
 227
 228   int xpos = rect.x + leftMargin;
 229   int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
 230
 231 #if defined( __WXGTK__ ) || defined(__WXMAC__)
 232   xpos++;
 233   ypos++;
 234 #endif
 235
 236   dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
 237
 238   dc.DrawText(text, xpos, ypos);
 239
 240   dc.DestroyClippingRegion();
 241 }
 242
 243 void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
 244 {
 245     wxRect rect;
 246     GetFieldRect(i, rect);
 247
 248     // Draw border
 249     // Have grey background, plus 3-d border -
 250     // One black rectangle.
 251     // Inside this, left and top sides - dark grey. Bottom and right -
 252     // white.
 253
 254     dc.SetPen(m_hilightPen);
 255
 256 #ifndef __WXPM__
 257
 258     // Right and bottom white lines
 259     dc.DrawLine(rect.x + rect.width, rect.y,
 260                 rect.x + rect.width, rect.y + rect.height);
 261     dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
 262                 rect.x, rect.y + rect.height);
 263
 264     dc.SetPen(m_mediumShadowPen);
 265
 266     // Left and top grey lines
 267     dc.DrawLine(rect.x, rect.y + rect.height,
 268            rect.x, rect.y);
 269     dc.DrawLine(rect.x, rect.y,
 270         rect.x + rect.width, rect.y);
 271 #else
 272
 273     dc.DrawLine(rect.x + rect.width, rect.height + 2,
 274                 rect.x, rect.height + 2);
 275     dc.DrawLine(rect.x + rect.width, rect.y,
 276                 rect.x + rect.width, rect.y + rect.height);
 277
 278     dc.SetPen(m_mediumShadowPen);
 279     dc.DrawLine(rect.x, rect.y,
 280                 rect.x + rect.width, rect.y);
 281     dc.DrawLine(rect.x, rect.y + rect.height,
 282                 rect.x, rect.y);
 283
 284 #endif
 285
 286     DrawFieldText(dc, i);
 287 }
 288
 289   // Get the position and size of the field's internal bounding rectangle
 290 bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
 291 {
 292     wxCHECK_MSG( (n >= 0) && (n < m_nFields), FALSE,
 293                  _T("invalid status bar field index") );
 294
 295     // FIXME: workarounds for OS/2 bugs have nothing to do here (VZ)
 296     int width, height;
 297 #ifdef __WXPM__
 298     GetSize(&width, &height);
 299 #else
 300     GetClientSize(&width, &height);
 301 #endif
 302
 303     // we cache m_widthsAbs between calls and recompute it if client
 304     // width has changed (or when it is initially empty)
 305     if ( m_widthsAbs.IsEmpty() || (m_lastClientWidth != width) )
 306     {
 307         wxConstCast(this, wxStatusBarGeneric)->
 308             m_widthsAbs = CalculateAbsWidths(width);
 309         // remember last width for which we have recomputed the widths in pixels
 310         wxConstCast(this, wxStatusBarGeneric)->
 311             m_lastClientWidth = width;
 312     }
 313
 314     rect.x = 0;
 315     for ( int i = 0; i < n; i++ )
 316     {
 317         rect.x += m_widthsAbs[i];
 318     }
 319
 320     rect.x += m_borderX;
 321     rect.y = m_borderY;
 322
 323     rect.width = m_widthsAbs[n] - 2*m_borderX;
 324     rect.height = height - 2*m_borderY;
 325
 326     return TRUE;
 327 }
 328
 329 // Initialize colours
 330 void wxStatusBarGeneric::InitColours()
 331 {
 332     // Shadow colours
 333 #if defined(__WIN95__) || defined(__WXMAC__)
 334     wxColour mediumShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
 335     m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
 336
 337     wxColour hilightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT));
 338     m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
 339 #elif defined(__WXPM__)
 340     m_mediumShadowPen = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
 341     m_hilightPen = wxPen("WHITE", 1, wxSOLID);
 342
 343     wxColour                        vColour;
 344
 345     vColour.Set(wxString("LIGHT GREY"));
 346     SetBackgroundColour(vColour);
 347     vColour.Set(wxString("BLACK"));
 348     SetForegroundColour(vColour);
 349     m_defaultStatusBarFont = *wxSMALL_FONT;
 350 #else
 351     m_mediumShadowPen = wxPen("GREY", 1, wxSOLID);
 352     m_hilightPen = wxPen("WHITE", 1, wxSOLID);
 353 #endif
 354
 355 #ifndef __WXPM__
 356     m_defaultStatusBarFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 357     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 358 #endif
 359 }
 360
 361 // Responds to colour changes, and passes event on to children.
 362 void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
 363 {
 364     InitColours();
 365     Refresh();
 366
 367     // Propagate the event to the non-top-level children
 368     wxWindow::OnSysColourChanged(event);
 369 }
 370
 371 void wxStatusBarGeneric::SetMinHeight(int height)
 372 {
 373     // check that this min height is not less than minimal height for the
 374     // current font
 375     wxClientDC dc(this);
 376     wxCoord y;
 377     dc.GetTextExtent( wxT("X"), NULL, &y );
 378
 379     if ( height > (11*y)/10 )
 380     {
 381         SetSize(-1, -1, -1, height + 2*m_borderY);
 382     }
 383 }
 384
 385 void wxStatusBarGeneric::OnLeftDown(wxMouseEvent& event)
 386 {
 387 #ifdef __WXGTK20__
 388     int width, height;
 389     GetClientSize(&width, &height);
 390
 391     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 392     {
 393         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 394
 395         if (!GTK_IS_WINDOW (ancestor))
 396             return;
 397
 398         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 399
 400         int org_x = 0;
 401         int org_y = 0;
 402         gdk_window_get_origin( source, &org_x, &org_y );
 403
 404         gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
 405                                   GDK_WINDOW_EDGE_SOUTH_EAST,
 406                                   1,
 407                                   org_x + event.GetX(),
 408                                   org_y + event.GetY(),
 409                                   0);
 410     }
 411     else
 412     {
 413         event.Skip( TRUE );
 414     }
 415 #else
 416     event.Skip( TRUE );
 417 #endif
 418 }
 419
 420 void wxStatusBarGeneric::OnRightDown(wxMouseEvent& event)
 421 {
 422 #ifdef __WXGTK20__
 423     int width, height;
 424     GetClientSize(&width, &height);
 425
 426     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 427     {
 428         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 429
 430         if (!GTK_IS_WINDOW (ancestor))
 431             return;
 432
 433         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 434
 435         int org_x = 0;
 436         int org_y = 0;
 437         gdk_window_get_origin( source, &org_x, &org_y );
 438
 439         gtk_window_begin_move_drag (GTK_WINDOW (ancestor),
 440                                 2,
 441                                 org_x + event.GetX(),
 442                                 org_y + event.GetY(),
 443                                 0);
 444     }
 445     else
 446     {
 447         event.Skip( TRUE );
 448     }
 449 #else
 450     event.Skip( TRUE );
 451 #endif
 452 }
 453
 454 #endif // wxUSE_STATUSBAR
 455