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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 !defined(__WIN32__) || !wxUSE_NATIVE_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// with wxUSE_NATIVE_STATUSBAR it is not included from wx/statusbr.h
35#include "wx/generic/statusbr.h"
36
37IMPLEMENT_DYNAMIC_CLASS(wxStatusBarGeneric, wxWindow)
38
39#if !defined(__WIN32__) || !wxUSE_NATIVE_STATUSBAR
40 IMPLEMENT_DYNAMIC_CLASS(wxStatusBar, wxStatusBarGeneric)
41#endif // Win32 && wxUSE_NATIVE_STATUSBAR
42
43BEGIN_EVENT_TABLE(wxStatusBarGeneric, wxWindow)
44 EVT_PAINT(wxStatusBarGeneric::OnPaint)
45 EVT_SYS_COLOUR_CHANGED(wxStatusBarGeneric::OnSysColourChanged)
46END_EVENT_TABLE()
47
48// Default status border dimensions
49#define wxTHICK_LINE_BORDER 2
50#define wxTHICK_LINE_WIDTH 1
51
52wxStatusBarGeneric::wxStatusBarGeneric()
53{
54 m_statusWidths = (int *) NULL;
55 m_statusStrings = (wxString *) NULL;
56 m_nFields = 0;
57 m_borderX = wxTHICK_LINE_BORDER;
58 m_borderY = wxTHICK_LINE_BORDER;
59}
60
61wxStatusBarGeneric::~wxStatusBarGeneric()
62{
63# ifdef __WXMSW__
64 SetFont(wxNullFont);
65# endif // MSW
66
67 if ( m_statusWidths )
68 delete[] m_statusWidths;
69 if ( m_statusStrings )
70 delete[] m_statusStrings;
71}
72
73bool wxStatusBarGeneric::Create(wxWindow *parent,
74 wxWindowID id,
75 long style,
76 const wxString& name)
77{
78 m_statusWidths = (int *) NULL;
79 m_statusStrings = (wxString *) NULL;
80 m_nFields = 0;
81 m_borderX = wxTHICK_LINE_BORDER;
82 m_borderY = wxTHICK_LINE_BORDER;
83
84 bool success = wxWindow::Create(parent, id,
85 wxDefaultPosition, wxDefaultSize,
86 style | wxTAB_TRAVERSAL, name);
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 return success;
97}
98
99void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths)
100{
101 if ( number != m_nFields )
102 {
103 m_nFields = number;
104
105 delete[] m_statusStrings;
106 m_statusStrings = new wxString[number];
107
108#if 0 // VZ: what is this for?
109 int i;
110 for (i = 0; i < number; i++)
111 m_statusStrings[i] = "";
112#endif
113 }
114
115 SetStatusWidths(number, widths);
116}
117
118void wxStatusBarGeneric::SetStatusText(const wxString& text, int number)
119{
120 wxCHECK_RET( (number >= 0) && (number < m_nFields),
121 _T("invalid status bar field index") );
122
123 m_statusStrings[number] = text;
124
125 Refresh();
126}
127
128wxString wxStatusBarGeneric::GetStatusText(int n) const
129{
130 wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString,
131 _T("invalid status bar field index") );
132
133 return m_statusStrings[n];
134}
135
136void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[])
137{
138 // only set status widths, when n == number of statuswindows
139 wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") );
140
141 // delete the old widths in any case - this function may be used to reset
142 // the widths to the default (all equal)
143 delete [] m_statusWidths;
144
145 if ( !widths_field )
146 {
147 // not an error, see the comment above
148 m_statusWidths = (int *)NULL;
149
150 return;
151 }
152
153 int i;
154
155 // VZ: this doesn't do anything as is_variable is unused later
156#if 0
157 // when one window (minimum) is variable (width <= 0)
158 bool is_variable = FALSE;
159 for (i = 0; i < m_nFields; i++)
160 {
161 if (widths_field[i] <= 0)
162 is_variable = TRUE;
163 }
164#endif // 0
165
166 // set widths
167 m_statusWidths = new int[n];
168 for (i = 0; i < m_nFields; i++)
169 {
170 m_statusWidths[i] = widths_field[i];
171 }
172}
173
174void 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 ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, CLR_GREEN);
186#endif
187
188 for ( i = 0; i < m_nFields; i ++ )
189 DrawField(dc, i);
190
191#ifdef __WXMSW__
192 dc.SetFont(wxNullFont);
193#endif // MSW
194}
195
196void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i)
197{
198 int leftMargin = 2;
199
200 wxRect rect;
201 GetFieldRect(i, rect);
202
203 wxString text(GetStatusText(i));
204
205 long x, y;
206
207#if defined(__WXPM__)
208 long decsent;
209
210 dc.GetTextExtent(text, &x, &y,&decsent);
211 int xpos = rect.x + leftMargin;
212 int ypos = (int) (((rect.height - y + 1) / 2 ) + rect.y + decsent ) ;
213
214#else
215 dc.GetTextExtent(text, &x, &y);
216
217 int xpos = rect.x + leftMargin;
218 int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
219
220#endif // __WXPM__
221
222#if defined( __WXGTK__ ) || defined(__WXMAC__)
223 xpos++;
224 ypos++;
225#endif
226
227 dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
228
229 dc.DrawText(text, xpos, ypos);
230
231 dc.DestroyClippingRegion();
232}
233
234void wxStatusBarGeneric::DrawField(wxDC& dc, int i)
235{
236 wxRect rect;
237 GetFieldRect(i, rect);
238
239 // Draw border
240 // Have grey background, plus 3-d border -
241 // One black rectangle.
242 // Inside this, left and top sides - dark grey. Bottom and right -
243 // white.
244
245 dc.SetPen(m_hilightPen);
246
247 // Right and bottom white lines
248 dc.DrawLine(rect.x + rect.width, rect.y,
249 rect.x + rect.width, rect.y + rect.height);
250 dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
251 rect.x, rect.y + rect.height);
252
253 dc.SetPen(m_mediumShadowPen);
254
255 // Left and top grey lines
256 dc.DrawLine(rect.x, rect.y + rect.height,
257 rect.x, rect.y);
258 dc.DrawLine(rect.x, rect.y,
259 rect.x + rect.width, rect.y);
260
261 DrawFieldText(dc, i);
262}
263
264 // Get the position and size of the field's internal bounding rectangle
265bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const
266{
267 wxCHECK_MSG( (n >= 0) && (n < m_nFields), FALSE,
268 _T("invalid status bar field index") );
269
270 int width, height;
271#ifdef __WXPM__
272 GetSize(&width, &height);
273#else
274 GetClientSize(&width, &height);
275#endif
276
277 int i;
278 int sum_of_nonvar = 0;
279 int num_of_var = 0;
280 bool do_same_width = FALSE;
281
282 int fieldWidth = 0;
283 int fieldPosition = 0;
284
285 if (m_statusWidths)
286 {
287 // if sum(not variable Windows) > c_width - (20 points per variable_window)
288 // then do_same_width = TRUE;
289 for (i = 0; i < m_nFields; i++)
290 {
291 if (m_statusWidths[i] > 0) sum_of_nonvar += m_statusWidths[i];
292 else num_of_var++;
293 }
294 if (sum_of_nonvar > (width - 20*num_of_var)) do_same_width = TRUE;
295 }
296 else do_same_width = TRUE;
297 if (do_same_width)
298 {
299 for (i = 0; i < m_nFields; i++)
300 {
301 fieldWidth = (int)(width/m_nFields);
302 fieldPosition = i*fieldWidth;
303 if ( i == n )
304 break;
305 }
306 }
307 else // no_same_width
308 {
309 int *tempwidth = new int[m_nFields];
310 int temppos = 0;
311 for (i = 0; i < m_nFields; i++)
312 {
313 if (m_statusWidths[i] > 0) tempwidth[i] = m_statusWidths[i];
314 else tempwidth[i] = (width - sum_of_nonvar) / num_of_var;
315 }
316 for (i = 0; i < m_nFields; i++)
317 {
318 fieldWidth = tempwidth[i];
319 fieldPosition = temppos;
320
321 temppos += tempwidth[i];
322
323 if ( i == n )
324 break;
325 }
326 delete [] tempwidth;
327 }
328
329 rect.x = fieldPosition + wxTHICK_LINE_BORDER;
330 rect.y = wxTHICK_LINE_BORDER;
331
332 rect.width = fieldWidth - 2 * wxTHICK_LINE_BORDER ;
333 rect.height = height - 2 * wxTHICK_LINE_BORDER ;
334
335 return TRUE;
336}
337
338// Initialize colours
339void wxStatusBarGeneric::InitColours()
340{
341 // Shadow colours
342#if defined(__WIN95__)
343 wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW));
344 m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
345
346 wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT));
347 m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
348#else
349 m_mediumShadowPen = wxPen("GREY", 1, wxSOLID);
350 m_hilightPen = wxPen("WHITE", 1, wxSOLID);
351#endif
352
353 m_defaultStatusBarFont = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
354 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
355}
356
357// Responds to colour changes, and passes event on to children.
358void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event)
359{
360 InitColours();
361 Refresh();
362
363 // Propagate the event to the non-top-level children
364 wxWindow::OnSysColourChanged(event);
365}
366
367void wxStatusBarGeneric::SetMinHeight(int height)
368{
369 // check that this min height is not less than minimal height for the
370 // current font
371 wxClientDC dc(this);
372 wxCoord y;
373 dc.GetTextExtent( _T("X"), NULL, &y );
374
375 if ( height > (11*y)/10 )
376 {
377 SetSize(-1, -1, -1, height + 2*m_borderY);
378 }
379}
380
381//#endif // Win32 && wxUSE_NATIVE_STATUSBAR