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/setup.h"
  23 #include "wx/frame.h"
  24 #include "wx/settings.h"
  25 #include "wx/dcclient.h"
  26 #endif
  27
  28 #ifdef __WXGTK20__
  29 #include "wx/gtk/private.h"
  30 #include "wx/gtk/win_gtk.h"
  31 #endif
  32
  33 #include "wx/statusbr.h"
  34
  35 // we only have to do it here when we use wxStatusBarGeneric in addition to the
  36 // standard wxStatusBar class, if wxStatusBarGeneric is the same as
  37 // wxStatusBar, then the corresponding IMPLEMENT_DYNAMIC_CLASS is already in
  38 // common/statbar.cpp
  39 #if defined(__WXMAC__) || \
  40     (defined(wxUSE_NATIVE_STATUSBAR) && wxUSE_NATIVE_STATUSBAR)
  41     #include "wx/generic/statusbr.h"
  42
  43     IMPLEMENT_DYNAMIC_CLASS(wxStatusBarGeneric, wxWindow)
  44 #endif // wxUSE_NATIVE_STATUSBAR
  45
  46 BEGIN_EVENT_TABLE(wxStatusBarGeneric, wxWindow)
  47     EVT_PAINT(wxStatusBarGeneric::OnPaint)
  48     EVT_LEFT_DOWN(wxStatusBarGeneric::OnLeftDown)
  49     EVT_RIGHT_DOWN(wxStatusBarGeneric::OnRightDown)
  50     EVT_SYS_COLOUR_CHANGED(wxStatusBarGeneric::OnSysColourChanged)
  51 END_EVENT_TABLE()
  52
  53 // Default status border dimensions
  54 #define         wxTHICK_LINE_BORDER 2
  55
  56 void wxStatusBarGeneric::Init()
  57 {
  58     m_borderX = wxTHICK_LINE_BORDER;
  59     m_borderY = wxTHICK_LINE_BORDER;
  60 }
  61
  62 wxStatusBarGeneric::~wxStatusBarGeneric()
  63 {
  64 }
  65
  66 bool wxStatusBarGeneric::Create(wxWindow *parent,
  67                                 wxWindowID id,
  68                                 long style,
  69                                 const wxString& name)
  70 {
  71     if ( !wxWindow::Create(parent, id,
  72                            wxDefaultPosition, wxDefaultSize,
  73                            style | wxTAB_TRAVERSAL, name) )
  74         return false;
  75
  76     // The status bar should have a themed background
  77     SetThemeEnabled( true );
  78
  79     InitColours();
  80
  81 #ifdef __WXPM__
  82     SetFont(*wxSMALL_FONT);
  83 #endif
  84
  85     // Set the height according to the font and the border size
  86     wxClientDC dc(this);
  87     dc.SetFont(GetFont());
  88
  89     wxCoord y;
  90     dc.GetTextExtent(_T("X"), NULL, &y );
  91
  92     int height = (int)( (11*y)/10 + 2*GetBorderY());
  93
  94     SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height);
  95
  96     SetFieldsCount(1);
  97
  98     return true;
  99 }
 100
 101
 102 wxSize wxStatusBarGeneric::DoGetBestSize() const
 103 {
 104     int width, height;
 105
 106     // best width is the width of the parent
 107     GetParent()->GetClientSize(&width, NULL);
 108
 109     // best height is as calculated above in Create
 110     wxClientDC dc((wxWindow*)this);
 111     dc.SetFont(GetFont());
 112     wxCoord y;
 113     dc.GetTextExtent(_T("X"), NULL, &y );
 114     height = (int)( (11*y)/10 + 2*GetBorderY());
 115
 116     return wxSize(width, height);
 117 }
 118
 119 void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths)
 120 {
 121     wxASSERT_MSG( number >= 0, _T("negative number of fields in wxStatusBar?") );
 122
 123     int i;
 124     for(i = m_nFields; i < number; ++i)
 125         m_statusStrings.Add( wxEmptyString );
 126
 127     for (i = m_nFields - 1; i >= number; --i)
 128         m_statusStrings.RemoveAt(i);
 129
 130     // forget the old cached pixel widths
 131     m_widthsAbs.Empty();
 132
 133     wxStatusBarBase::SetFieldsCount(number, widths);
 134
 135     wxASSERT_MSG( m_nFields == (int)m_statusStrings.GetCount(),
 136                   _T("This really should never happen, can we do away with m_nFields here?") );
 137 }
 138
 139 void wxStatusBarGeneric::SetStatusText(const wxString& text, int number)
 140 {
 141     wxCHECK_RET( (number >= 0) && (number < m_nFields),
 142                  _T("invalid status bar field index") );
 143
 144     wxString oldText = m_statusStrings[number];
 145     if (oldText != text)
 146     {
 147         m_statusStrings[number] = text;
 148
 149         wxRect rect;
 150         GetFieldRect(number, rect);
 151
 152         Refresh( true, &rect );
 153     }
 154 }
 155
 156 wxString wxStatusBarGeneric::GetStatusText(int n) const
 157 {
 158     wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString,
 159                  _T("invalid status bar field index") );
 160
 161     return m_statusStrings[n];
 162 }
 163
 164 void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
 165 {
 166     // only set status widths, when n == number of statuswindows
 167     wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") );
 168
 169     // delete the old widths in any case - this function may be used to reset
 170     // the widths to the default (all equal)
 171     // MBN: this is incompatible with at least wxMSW and wxMAC and not
 172     //      documented, but let's keep it for now
 173     ReinitWidths();
 174
 175     // forget the old cached pixel widths
 176     m_widthsAbs.Empty();
 177
 178     if ( !widths_field )
 179     {
 180         // not an error, see the comment above
 181         Refresh();
 182         return;
 183     }
 184
 185     wxStatusBarBase::SetStatusWidths(n, widths_field);
 186 }
 187
 188 void wxStatusBarGeneric::OnPaint(wxPaintEvent& WXUNUSED(event) )
 189 {
 190     wxPaintDC dc(this);
 191
 192 #ifdef __WXGTK20__
 193     // Draw grip first
 194     if (HasFlag( wxST_SIZEGRIP ))
 195     {
 196         int width, height;
 197         GetClientSize(&width, &height);
 198
 199         gtk_paint_resize_grip( m_widget->style,
 200                                GTK_PIZZA(m_wxwindow)->bin_window,
 201                                (GtkStateType) GTK_WIDGET_STATE (m_widget),
 202                                NULL,
 203                                m_widget,
 204                                "statusbar",
 205                                GDK_WINDOW_EDGE_SOUTH_EAST,
 206                                width-height-2, 1, height-2, height-3 );
 207
 208     }
 209 #endif
 210
 211     if (GetFont().Ok())
 212         dc.SetFont(GetFont());
 213
 214     dc.SetBackgroundMode(wxTRANSPARENT);
 215
 216 #ifdef __WXPM__
 217     wxColour vColor;
 218
 219     vColor = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR);
 220     ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, vColor.GetPixel());
 221 #endif
 222
 223     for (int i = 0; i < m_nFields; i ++)
 224         DrawField(dc, i);
 225 }
 226
 227 void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
 228 {
 229     int leftMargin = 2;
 230
 231     wxRect rect;
 232     GetFieldRect(i, rect);
 233
 234     wxString text(GetStatusText(i));
 235
 236     long x, y;
 237
 238     dc.GetTextExtent(text, &x, &y);
 239
 240     int xpos = rect.x + leftMargin;
 241     int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
 242
 243 #if defined( __WXGTK__ ) || defined(__WXMAC__)
 244     xpos++;
 245     ypos++;
 246 #endif
 247
 248     dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
 249
 250     dc.DrawText(text, xpos, ypos);
 251
 252     dc.DestroyClippingRegion();
 253 }
 254
 255 void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
 256 {
 257     wxRect rect;
 258     GetFieldRect(i, rect);
 259
 260     int style = wxSB_NORMAL;
 261     if (m_statusStyles)
 262         style = m_statusStyles[i];
 263
 264     if (style != wxSB_FLAT)
 265     {
 266         // Draw border
 267         // For wxSB_NORMAL:
 268         // Have grey background, plus 3-d border -
 269         // One black rectangle.
 270         // Inside this, left and top sides - dark grey. Bottom and right -
 271         // white.
 272         // Reverse it for wxSB_RAISED
 273
 274         dc.SetPen((style == wxSB_RAISED) ? m_mediumShadowPen : m_hilightPen);
 275
 276     #ifndef __WXPM__
 277
 278         // Right and bottom lines
 279         dc.DrawLine(rect.x + rect.width, rect.y,
 280                     rect.x + rect.width, rect.y + rect.height);
 281         dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
 282                     rect.x, rect.y + rect.height);
 283
 284         dc.SetPen((style == wxSB_RAISED) ? m_hilightPen : m_mediumShadowPen);
 285
 286         // Left and top lines
 287         dc.DrawLine(rect.x, rect.y + rect.height,
 288                rect.x, rect.y);
 289         dc.DrawLine(rect.x, rect.y,
 290             rect.x + rect.width, rect.y);
 291     #else
 292
 293         dc.DrawLine(rect.x + rect.width, rect.height + 2,
 294                     rect.x, rect.height + 2);
 295         dc.DrawLine(rect.x + rect.width, rect.y,
 296                     rect.x + rect.width, rect.y + rect.height);
 297
 298         dc.SetPen((style == wxSB_RAISED) ? m_hilightPen : m_mediumShadowPen);
 299         dc.DrawLine(rect.x, rect.y,
 300                     rect.x + rect.width, rect.y);
 301         dc.DrawLine(rect.x, rect.y + rect.height,
 302                    rect.x, rect.y);
 303
 304 #endif
 305     }
 306
 307     DrawFieldText(dc, i);
 308 }
 309
 310   // Get the position and size of the field's internal bounding rectangle
 311 bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
 312 {
 313     wxCHECK_MSG( (n >= 0) && (n < m_nFields), false,
 314                  _T("invalid status bar field index") );
 315
 316     // FIXME: workarounds for OS/2 bugs have nothing to do here (VZ)
 317     int width, height;
 318 #ifdef __WXPM__
 319     GetSize(&width, &height);
 320 #else
 321     GetClientSize(&width, &height);
 322 #endif
 323
 324     // we cache m_widthsAbs between calls and recompute it if client
 325     // width has changed (or when it is initially empty)
 326     if ( m_widthsAbs.IsEmpty() || (m_lastClientWidth != width) )
 327     {
 328         wxConstCast(this, wxStatusBarGeneric)->
 329             m_widthsAbs = CalculateAbsWidths(width);
 330         // remember last width for which we have recomputed the widths in pixels
 331         wxConstCast(this, wxStatusBarGeneric)->
 332             m_lastClientWidth = width;
 333     }
 334
 335     rect.x = 0;
 336     for ( int i = 0; i < n; i++ )
 337     {
 338         rect.x += m_widthsAbs[i];
 339     }
 340
 341     rect.x += m_borderX;
 342     rect.y = m_borderY;
 343
 344     rect.width = m_widthsAbs[n] - 2*m_borderX;
 345     rect.height = height - 2*m_borderY;
 346
 347     return true;
 348 }
 349
 350 // Initialize colours
 351 void wxStatusBarGeneric::InitColours()
 352 {
 353     // Shadow colours
 354 #if defined(__WXMSW__) || defined(__WXMAC__)
 355     wxColour mediumShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
 356     m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
 357
 358     wxColour hilightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT));
 359     m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
 360 #elif defined(__WXPM__)
 361     m_mediumShadowPen = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
 362     m_hilightPen = wxPen(_T("WHITE"), 1, wxSOLID);
 363
 364     wxColour                        vColour;
 365
 366     vColour.Set(wxString(_T("LIGHT GREY")));
 367     SetBackgroundColour(vColour);
 368     vColour.Set(wxString(_T("BLACK")));
 369     SetForegroundColour(vColour);
 370 #else
 371     m_mediumShadowPen = wxPen("GREY", 1, wxSOLID);
 372     m_hilightPen = wxPen("WHITE", 1, wxSOLID);
 373 #endif
 374 }
 375
 376 // Responds to colour changes, and passes event on to children.
 377 void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
 378 {
 379     InitColours();
 380
 381     // Propagate the event to the non-top-level children
 382     wxWindow::OnSysColourChanged(event);
 383 }
 384
 385 void wxStatusBarGeneric::SetMinHeight(int height)
 386 {
 387     // check that this min height is not less than minimal height for the
 388     // current font
 389     wxClientDC dc(this);
 390     wxCoord y;
 391     dc.GetTextExtent( wxT("X"), NULL, &y );
 392
 393     if ( height > (11*y)/10 )
 394     {
 395         SetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, height + 2*m_borderY);
 396     }
 397 }
 398
 399 void wxStatusBarGeneric::OnLeftDown(wxMouseEvent& event)
 400 {
 401 #ifdef __WXGTK20__
 402     int width, height;
 403     GetClientSize(&width, &height);
 404
 405     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 406     {
 407         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 408
 409         if (!GTK_IS_WINDOW (ancestor))
 410             return;
 411
 412         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 413
 414         int org_x = 0;
 415         int org_y = 0;
 416         gdk_window_get_origin( source, &org_x, &org_y );
 417
 418         gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
 419                                   GDK_WINDOW_EDGE_SOUTH_EAST,
 420                                   1,
 421                                   org_x + event.GetX(),
 422                                   org_y + event.GetY(),
 423                                   0);
 424     }
 425     else
 426     {
 427         event.Skip( true );
 428     }
 429 #else
 430     event.Skip( true );
 431 #endif
 432 }
 433
 434 void wxStatusBarGeneric::OnRightDown(wxMouseEvent& event)
 435 {
 436 #ifdef __WXGTK20__
 437     int width, height;
 438     GetClientSize(&width, &height);
 439
 440     if (HasFlag( wxST_SIZEGRIP ) && (event.GetX() > width-height))
 441     {
 442         GtkWidget *ancestor = gtk_widget_get_toplevel( m_widget );
 443
 444         if (!GTK_IS_WINDOW (ancestor))
 445             return;
 446
 447         GdkWindow *source = GTK_PIZZA(m_wxwindow)->bin_window;
 448
 449         int org_x = 0;
 450         int org_y = 0;
 451         gdk_window_get_origin( source, &org_x, &org_y );
 452
 453         gtk_window_begin_move_drag (GTK_WINDOW (ancestor),
 454                                 2,
 455                                 org_x + event.GetX(),
 456                                 org_y + event.GetY(),
 457                                 0);
 458     }
 459     else
 460     {
 461         event.Skip( true );
 462     }
 463 #else
 464     event.Skip( true );
 465 #endif
 466 }
 467
 468 #endif // wxUSE_STATUSBAR