| 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_statusWidths = (int *) NULL; |
| 57 | m_statusStrings = (wxString *) NULL; |
| 58 | m_nFields = 0; |
| 59 | m_borderX = wxTHICK_LINE_BORDER; |
| 60 | m_borderY = wxTHICK_LINE_BORDER; |
| 61 | } |
| 62 | |
| 63 | wxStatusBarGeneric::~wxStatusBarGeneric() |
| 64 | { |
| 65 | # ifdef __WXMSW__ |
| 66 | SetFont(wxNullFont); |
| 67 | # endif // MSW |
| 68 | |
| 69 | if ( m_statusStrings ) |
| 70 | delete[] m_statusStrings; |
| 71 | } |
| 72 | |
| 73 | bool 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 | // 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 | return success; |
| 108 | } |
| 109 | |
| 110 | void wxStatusBarGeneric::SetFieldsCount(int number, const int *widths) |
| 111 | { |
| 112 | if ( number != m_nFields ) |
| 113 | { |
| 114 | m_nFields = number; |
| 115 | |
| 116 | delete[] m_statusStrings; |
| 117 | m_statusStrings = new wxString[number]; |
| 118 | } |
| 119 | |
| 120 | SetStatusWidths(number, widths); |
| 121 | } |
| 122 | |
| 123 | void wxStatusBarGeneric::SetStatusText(const wxString& text, int number) |
| 124 | { |
| 125 | wxCHECK_RET( (number >= 0) && (number < m_nFields), |
| 126 | _T("invalid status bar field index") ); |
| 127 | |
| 128 | m_statusStrings[number] = text; |
| 129 | |
| 130 | wxRect rect; |
| 131 | GetFieldRect(number, rect); |
| 132 | wxClientDC dc(this); |
| 133 | |
| 134 | dc.SetBackground( wxBrush(GetBackgroundColour(), wxSOLID) ); |
| 135 | dc.SetClippingRegion( rect.x+1, rect.y+1, rect.width-1, rect.height-1 ); |
| 136 | dc.Clear(); |
| 137 | dc.DestroyClippingRegion(); |
| 138 | |
| 139 | DrawFieldText( dc, number ); |
| 140 | } |
| 141 | |
| 142 | wxString wxStatusBarGeneric::GetStatusText(int n) const |
| 143 | { |
| 144 | wxCHECK_MSG( (n >= 0) && (n < m_nFields), wxEmptyString, |
| 145 | _T("invalid status bar field index") ); |
| 146 | |
| 147 | return m_statusStrings[n]; |
| 148 | } |
| 149 | |
| 150 | void wxStatusBarGeneric::SetStatusWidths(int n, const int widths_field[]) |
| 151 | { |
| 152 | // only set status widths, when n == number of statuswindows |
| 153 | wxCHECK_RET( n == m_nFields, _T("status bar field count mismatch") ); |
| 154 | |
| 155 | // delete the old widths in any case - this function may be used to reset |
| 156 | // the widths to the default (all equal) |
| 157 | delete [] m_statusWidths; |
| 158 | |
| 159 | if ( !widths_field ) |
| 160 | { |
| 161 | // not an error, see the comment above |
| 162 | m_statusWidths = (int *)NULL; |
| 163 | Refresh(); |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | int i; |
| 168 | |
| 169 | // VZ: this doesn't do anything as is_variable is unused later |
| 170 | #if 0 |
| 171 | // when one window (minimum) is variable (width <= 0) |
| 172 | bool is_variable = FALSE; |
| 173 | for (i = 0; i < m_nFields; i++) |
| 174 | { |
| 175 | if (widths_field[i] <= 0) |
| 176 | is_variable = TRUE; |
| 177 | } |
| 178 | #endif // 0 |
| 179 | |
| 180 | // set widths |
| 181 | m_statusWidths = new int[n]; |
| 182 | for (i = 0; i < m_nFields; i++) |
| 183 | { |
| 184 | m_statusWidths[i] = widths_field[i]; |
| 185 | } |
| 186 | Refresh(); |
| 187 | } |
| 188 | |
| 189 | void wxStatusBarGeneric::OnPaint(wxPaintEvent& WXUNUSED(event) ) |
| 190 | { |
| 191 | wxPaintDC dc(this); |
| 192 | |
| 193 | |
| 194 | int i; |
| 195 | if ( GetFont().Ok() ) |
| 196 | dc.SetFont(GetFont()); |
| 197 | dc.SetBackgroundMode(wxTRANSPARENT); |
| 198 | |
| 199 | #ifdef __WXPM__ |
| 200 | wxColour vColor; |
| 201 | |
| 202 | vColor.InitFromName("GREY"); |
| 203 | ::WinFillRect(dc.m_hPS, &dc.m_vRclPaint, vColor.GetPixel()); |
| 204 | #endif |
| 205 | |
| 206 | for ( i = 0; i < m_nFields; i ++ ) |
| 207 | DrawField(dc, i); |
| 208 | |
| 209 | #ifdef __WXMSW__ |
| 210 | dc.SetFont(wxNullFont); |
| 211 | #endif // MSW |
| 212 | } |
| 213 | |
| 214 | void wxStatusBarGeneric::DrawFieldText(wxDC& dc, int i) |
| 215 | { |
| 216 | int leftMargin = 2; |
| 217 | |
| 218 | wxRect rect; |
| 219 | GetFieldRect(i, rect); |
| 220 | |
| 221 | wxString text(GetStatusText(i)); |
| 222 | |
| 223 | long x, y; |
| 224 | |
| 225 | dc.GetTextExtent(text, &x, &y); |
| 226 | |
| 227 | int xpos = rect.x + leftMargin; |
| 228 | int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ; |
| 229 | |
| 230 | #if defined( __WXGTK__ ) || defined(__WXMAC__) |
| 231 | xpos++; |
| 232 | ypos++; |
| 233 | #endif |
| 234 | |
| 235 | dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height); |
| 236 | |
| 237 | dc.DrawText(text, xpos, ypos); |
| 238 | |
| 239 | dc.DestroyClippingRegion(); |
| 240 | } |
| 241 | |
| 242 | void wxStatusBarGeneric::DrawField(wxDC& dc, int i) |
| 243 | { |
| 244 | wxRect rect; |
| 245 | GetFieldRect(i, rect); |
| 246 | |
| 247 | // Draw border |
| 248 | // Have grey background, plus 3-d border - |
| 249 | // One black rectangle. |
| 250 | // Inside this, left and top sides - dark grey. Bottom and right - |
| 251 | // white. |
| 252 | |
| 253 | dc.SetPen(m_hilightPen); |
| 254 | |
| 255 | #ifndef __WXPM__ |
| 256 | |
| 257 | // Right and bottom white lines |
| 258 | dc.DrawLine(rect.x + rect.width, rect.y, |
| 259 | rect.x + rect.width, rect.y + rect.height); |
| 260 | dc.DrawLine(rect.x + rect.width, rect.y + rect.height, |
| 261 | rect.x, rect.y + rect.height); |
| 262 | |
| 263 | dc.SetPen(m_mediumShadowPen); |
| 264 | |
| 265 | // Left and top grey lines |
| 266 | dc.DrawLine(rect.x, rect.y + rect.height, |
| 267 | rect.x, rect.y); |
| 268 | dc.DrawLine(rect.x, rect.y, |
| 269 | rect.x + rect.width, rect.y); |
| 270 | #else |
| 271 | // Right |
| 272 | dc.DrawLine(rect.x + rect.width, rect.y, |
| 273 | rect.x + rect.width, rect.y + rect.height + 2); |
| 274 | dc.SetPen(m_mediumShadowPen); |
| 275 | dc.DrawLine(rect.x + rect.width + 1, rect.y, |
| 276 | rect.x + rect.width + 1, rect.y + rect.height + 2); |
| 277 | dc.DrawLine(rect.x + rect.width + 2, rect.y, |
| 278 | rect.x + rect.width + 2, rect.y + rect.height + 2); |
| 279 | // Top |
| 280 | dc.DrawLine(rect.x + rect.width + 2, rect.y, |
| 281 | rect.x - 2, rect.y); |
| 282 | dc.DrawLine(rect.x + rect.width + 1, rect.y - 1, |
| 283 | rect.x - 2, rect.y - 1); |
| 284 | dc.SetPen(m_hilightPen); |
| 285 | dc.DrawLine(rect.x + rect.width, rect.y - 2, |
| 286 | rect.x - 2, rect.y - 2); |
| 287 | |
| 288 | #endif |
| 289 | |
| 290 | DrawFieldText(dc, i); |
| 291 | } |
| 292 | |
| 293 | // Get the position and size of the field's internal bounding rectangle |
| 294 | bool wxStatusBarGeneric::GetFieldRect(int n, wxRect& rect) const |
| 295 | { |
| 296 | wxCHECK_MSG( (n >= 0) && (n < m_nFields), FALSE, |
| 297 | _T("invalid status bar field index") ); |
| 298 | |
| 299 | int width, height; |
| 300 | #ifdef __WXPM__ |
| 301 | GetSize(&width, &height); |
| 302 | #else |
| 303 | GetClientSize(&width, &height); |
| 304 | #endif |
| 305 | |
| 306 | int i; |
| 307 | int sum_of_nonvar = 0; |
| 308 | int num_of_var = 0; |
| 309 | bool do_same_width = FALSE; |
| 310 | |
| 311 | int fieldWidth = 0; |
| 312 | int fieldPosition = 0; |
| 313 | |
| 314 | if (m_statusWidths) |
| 315 | { |
| 316 | // if sum(not variable Windows) > c_width - (20 points per variable_window) |
| 317 | // then do_same_width = TRUE; |
| 318 | for (i = 0; i < m_nFields; i++) |
| 319 | { |
| 320 | if (m_statusWidths[i] > 0) sum_of_nonvar += m_statusWidths[i]; |
| 321 | else num_of_var++; |
| 322 | } |
| 323 | if (sum_of_nonvar > (width - 20*num_of_var)) do_same_width = TRUE; |
| 324 | } |
| 325 | else do_same_width = TRUE; |
| 326 | if (do_same_width) |
| 327 | { |
| 328 | for (i = 0; i < m_nFields; i++) |
| 329 | { |
| 330 | fieldWidth = (int)(width/m_nFields); |
| 331 | fieldPosition = i*fieldWidth; |
| 332 | if ( i == n ) |
| 333 | break; |
| 334 | } |
| 335 | } |
| 336 | else // no_same_width |
| 337 | { |
| 338 | int *tempwidth = new int[m_nFields]; |
| 339 | int temppos = 0; |
| 340 | for (i = 0; i < m_nFields; i++) |
| 341 | { |
| 342 | if (m_statusWidths[i] > 0) tempwidth[i] = m_statusWidths[i]; |
| 343 | else tempwidth[i] = (width - sum_of_nonvar) / num_of_var; |
| 344 | } |
| 345 | for (i = 0; i < m_nFields; i++) |
| 346 | { |
| 347 | fieldWidth = tempwidth[i]; |
| 348 | fieldPosition = temppos; |
| 349 | |
| 350 | temppos += tempwidth[i]; |
| 351 | |
| 352 | if ( i == n ) |
| 353 | break; |
| 354 | } |
| 355 | delete [] tempwidth; |
| 356 | } |
| 357 | |
| 358 | rect.x = fieldPosition + wxTHICK_LINE_BORDER; |
| 359 | rect.y = wxTHICK_LINE_BORDER; |
| 360 | |
| 361 | rect.width = fieldWidth - 2 * wxTHICK_LINE_BORDER ; |
| 362 | rect.height = height - 2 * wxTHICK_LINE_BORDER ; |
| 363 | |
| 364 | return TRUE; |
| 365 | } |
| 366 | |
| 367 | // Initialize colours |
| 368 | void wxStatusBarGeneric::InitColours() |
| 369 | { |
| 370 | // Shadow colours |
| 371 | #if defined(__WIN95__) |
| 372 | wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW)); |
| 373 | m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID); |
| 374 | |
| 375 | wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT)); |
| 376 | m_hilightPen = wxPen(hilightColour, 1, wxSOLID); |
| 377 | #elif defined(__WXPM__) |
| 378 | m_mediumShadowPen = wxPen("LIGHT GREY", 1, wxSOLID); |
| 379 | m_hilightPen = wxPen("WHITE", 1, wxSOLID); |
| 380 | #else |
| 381 | m_mediumShadowPen = wxPen("GREY", 1, wxSOLID); |
| 382 | m_hilightPen = wxPen("WHITE", 1, wxSOLID); |
| 383 | #endif |
| 384 | |
| 385 | m_defaultStatusBarFont = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT); |
| 386 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); |
| 387 | } |
| 388 | |
| 389 | // Responds to colour changes, and passes event on to children. |
| 390 | void wxStatusBarGeneric::OnSysColourChanged(wxSysColourChangedEvent& event) |
| 391 | { |
| 392 | InitColours(); |
| 393 | Refresh(); |
| 394 | |
| 395 | // Propagate the event to the non-top-level children |
| 396 | wxWindow::OnSysColourChanged(event); |
| 397 | } |
| 398 | |
| 399 | void wxStatusBarGeneric::SetMinHeight(int height) |
| 400 | { |
| 401 | // check that this min height is not less than minimal height for the |
| 402 | // current font |
| 403 | wxClientDC dc(this); |
| 404 | wxCoord y; |
| 405 | dc.GetTextExtent( _T("X"), NULL, &y ); |
| 406 | |
| 407 | if ( height > (11*y)/10 ) |
| 408 | { |
| 409 | SetSize(-1, -1, -1, height + 2*m_borderY); |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | #endif // wxUSE_STATUSBAR |