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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 and Markus Holzem
9 // Licence: wxWindows license
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 #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_SYS_COLOUR_CHANGED(wxStatusBarGeneric::OnSysColourChanged)
48 END_EVENT_TABLE()
49
50 // Default status border dimensions
51 #define wxTHICK_LINE_BORDER 2
52 #define wxTHICK_LINE_WIDTH 1
53
54 wxStatusBarGeneric::wxStatusBarGeneric()
55 {
56 m_borderX = wxTHICK_LINE_BORDER;
57 m_borderY = wxTHICK_LINE_BORDER;
58 }
59
60 wxStatusBarGeneric::~wxStatusBarGeneric()
61 {
62 # ifdef __WXMSW__
63 SetFont(wxNullFont);
64 # endif // MSW
65 }
66
67 bool wxStatusBarGeneric::Create(wxWindow *parent,
68 wxWindowID id,
69 long style,
70 const wxString& name)
71 {
72 // If create is ever meant to be re-entrant over the life of
73 // an object we should:
74 // m_statusStrings.Empty();
75
76 m_borderX = wxTHICK_LINE_BORDER;
77 m_borderY = wxTHICK_LINE_BORDER;
78
79 bool success = wxWindow::Create(parent, id,
80 wxDefaultPosition, wxDefaultSize,
81 style | wxTAB_TRAVERSAL, name);
82
83 // The status bar should have a themed background
84 SetThemeEnabled( TRUE );
85
86 // Don't wish this to be found as a child
87 #ifndef __WXMAC__
88 parent->GetChildren().DeleteObject(this);
89 #endif
90 InitColours();
91
92 SetFont(m_defaultStatusBarFont);
93
94 // Set the height according to the font and the border size
95 wxClientDC dc(this);
96 dc.SetFont(GetFont());
97
98 wxCoord y;
99 dc.GetTextExtent(_T("X"), NULL, &y );
100
101 int height = (int)( (11*y)/10 + 2*GetBorderY());
102
103 SetSize(-1, -1, -1, height);
104
105 return success;
106 }
107
108 void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths)
109 {
110 wxASSERT_MSG( number >= 0,
111 _T("Yes, number should be a size_t and less than no fields is silly.") );
112
113 // if( number > m_nFields )
114
115 int i;
116 for(i = m_nFields; i < number; ++i)
117 m_statusStrings.Add( wxEmptyString );
118
119 // if( number < m_nFields )
120
121 for (i = m_nFields - 1; i >= number; --i)
122 m_statusStrings.Remove(i);
123
124 m_nFields = number;
125
126 wxASSERT_MSG( m_nFields == (int)m_statusStrings.GetCount(),
127 _T("This really should never happen, can we do away with m_nFields here?") );
128
129 SetStatusWidths(number, widths);
130 }
131
132 void wxStatusBarGeneric::SetStatusText(const wxString& text, int number)
133 {
134 wxCHECK_RET( (number >= 0) && (number < m_nFields),
135 _T("invalid status bar field index") );
136
137 m_statusStrings[number] = text;
138
139 wxRect rect;
140 GetFieldRect(number, rect);
141
142 Refresh( TRUE, &rect );
143 }
144
145 wxString wxStatusBarGeneric::GetStatusText(int n) const
146 {
147 wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString,
148 _T("invalid status bar field index") );
149
150 return m_statusStrings[n];
151 }
152
153 void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
154 {
155 // only set status widths, when n == number of statuswindows
156 wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") );
157
158 // delete the old widths in any case - this function may be used to reset
159 // the widths to the default (all equal)
160 // MBN: this is incompatible with at least wxMSW and wxMAC and not
161 // documented, but let's keep it for now
162 ReinitWidths();
163
164 if ( !widths_field )
165 {
166 // not an error, see the comment above
167 Refresh();
168 return;
169 }
170
171 wxStatusBarBase::SetStatusWidths(n, widths_field);
172 }
173
174 void wxStatusBarGeneric::OnPaint(wxPaintEvent& WXUNUSED(event) )
175 {
176 wxPaintDC dc(this);
177
178
179 int i;
180 if ( GetFont().Ok() )
181 dc.SetFont(GetFont());
182 dc.SetBackgroundMode(wxTRANSPARENT);
183
184 #ifdef __WXPM__
185 wxColour vColor;
186
187 vColor = wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR);
188 ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, vColor.GetPixel());
189 #endif
190
191 for ( i = 0; i < m_nFields; i ++ )
192 DrawField(dc, i);
193
194 #ifdef __WXMSW__
195 dc.SetFont(wxNullFont);
196 #endif // MSW
197 }
198
199 void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
200 {
201 int leftMargin = 2;
202
203 wxRect rect;
204 GetFieldRect(i, rect);
205
206 wxString text(GetStatusText(i));
207
208 long x, y;
209
210 dc.GetTextExtent(text, &x, &y);
211
212 int xpos = rect.x + leftMargin;
213 int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
214
215 #if defined( __WXGTK__ ) || defined(__WXMAC__)
216 xpos++;
217 ypos++;
218 #endif
219
220 dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
221
222 dc.DrawText(text, xpos, ypos);
223
224 dc.DestroyClippingRegion();
225 }
226
227 void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
228 {
229 wxRect rect;
230 GetFieldRect(i, rect);
231
232 // Draw border
233 // Have grey background, plus 3-d border -
234 // One black rectangle.
235 // Inside this, left and top sides - dark grey. Bottom and right -
236 // white.
237
238 dc.SetPen(m_hilightPen);
239
240 #ifndef __WXPM__
241
242 // Right and bottom white lines
243 dc.DrawLine(rect.x + rect.width, rect.y,
244 rect.x + rect.width, rect.y + rect.height);
245 dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
246 rect.x, rect.y + rect.height);
247
248 dc.SetPen(m_mediumShadowPen);
249
250 // Left and top grey lines
251 dc.DrawLine(rect.x, rect.y + rect.height,
252 rect.x, rect.y);
253 dc.DrawLine(rect.x, rect.y,
254 rect.x + rect.width, rect.y);
255 #else
256
257 dc.DrawLine(rect.x + rect.width, rect.height + 2,
258 rect.x, rect.height + 2);
259 dc.DrawLine(rect.x + rect.width, rect.y,
260 rect.x + rect.width, rect.y + rect.height);
261
262 dc.SetPen(m_mediumShadowPen);
263 dc.DrawLine(rect.x, rect.y,
264 rect.x + rect.width, rect.y);
265 dc.DrawLine(rect.x, rect.y + rect.height,
266 rect.x, rect.y);
267
268 #endif
269
270 DrawFieldText(dc, i);
271 }
272
273 // Get the position and size of the field's internal bounding rectangle
274 bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
275 {
276 wxCHECK_MSG( (n >= 0) && (n < m_nFields), FALSE,
277 _T("invalid status bar field index") );
278
279 int width, height;
280 #ifdef __WXPM__
281 GetSize(&width, &height);
282 #else
283 GetClientSize(&width, &height);
284 #endif
285
286 int i;
287 int sum_of_nonvar = 0;
288 int num_of_var = 0;
289 bool do_same_width = FALSE;
290
291 int fieldWidth = 0;
292 int fieldPosition = 0;
293
294 if (m_statusWidths)
295 {
296 // if sum(not variable Windows) > c_width - (20 points per variable_window)
297 // then do_same_width = TRUE;
298 for (i = 0; i < m_nFields; i++)
299 {
300 if (m_statusWidths[i] > 0) sum_of_nonvar += m_statusWidths[i];
301 else num_of_var++;
302 }
303 if (sum_of_nonvar > (width - 20*num_of_var)) do_same_width = TRUE;
304 }
305 else do_same_width = TRUE;
306 if (do_same_width)
307 {
308 for (i = 0; i < m_nFields; i++)
309 {
310 fieldWidth = (int)(width/m_nFields);
311 fieldPosition = i*fieldWidth;
312 if ( i == n )
313 break;
314 }
315 }
316 else // no_same_width
317 {
318 int *tempwidth = new int[m_nFields];
319 int temppos = 0;
320 for (i = 0; i < m_nFields; i++)
321 {
322 if (m_statusWidths[i] > 0) tempwidth[i] = m_statusWidths[i];
323 else tempwidth[i] = (width - sum_of_nonvar) / num_of_var;
324 }
325 for (i = 0; i < m_nFields; i++)
326 {
327 fieldWidth = tempwidth[i];
328 fieldPosition = temppos;
329
330 temppos += tempwidth[i];
331
332 if ( i == n )
333 break;
334 }
335 delete [] tempwidth;
336 }
337
338 rect.x = fieldPosition + wxTHICK_LINE_BORDER;
339 rect.y = wxTHICK_LINE_BORDER;
340
341 rect.width = fieldWidth - 2 * wxTHICK_LINE_BORDER ;
342 rect.height = height - 2 * wxTHICK_LINE_BORDER ;
343
344 return TRUE;
345 }
346
347 // Initialize colours
348 void wxStatusBarGeneric::InitColours()
349 {
350 // Shadow colours
351 #if defined(__WIN95__)
352 wxColour mediumShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
353 m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
354
355 wxColour hilightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT));
356 m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
357 #elif defined(__WXPM__)
358 m_mediumShadowPen = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
359 m_hilightPen = wxPen("WHITE", 1, wxSOLID);
360
361 wxColour vColour;
362
363 vColour.Set(wxString("LIGHT GREY"));
364 SetBackgroundColour(vColour);
365 vColour.Set(wxString("BLACK"));
366 SetForegroundColour(vColour);
367 m_defaultStatusBarFont = *wxSMALL_FONT;
368 #else
369 m_mediumShadowPen = wxPen("GREY", 1, wxSOLID);
370 m_hilightPen = wxPen("WHITE", 1, wxSOLID);
371 #endif
372
373 #ifndef __WXPM__
374 m_defaultStatusBarFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
375 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
376 #endif
377 }
378
379 // Responds to colour changes, and passes event on to children.
380 void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
381 {
382 InitColours();
383 Refresh();
384
385 // Propagate the event to the non-top-level children
386 wxWindow::OnSysColourChanged(event);
387 }
388
389 void wxStatusBarGeneric::SetMinHeight(int height)
390 {
391 // check that this min height is not less than minimal height for the
392 // current font
393 wxClientDC dc(this);
394 wxCoord y;
395 dc.GetTextExtent( _T("X"), NULL, &y );
396
397 if ( height > (11*y)/10 )
398 {
399 SetSize(-1, -1, -1, height + 2*m_borderY);
400 }
401 }
402
403 #endif // wxUSE_STATUSBAR
404
405 // vi:sts=4:sw=4:et