| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/statbr95.cpp |
| 3 | // Purpose: native implementation of wxStatusBar |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 04.04.98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
| 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 && wxUSE_NATIVE_STATUSBAR |
| 20 | |
| 21 | #include "wx/statusbr.h" |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly" |
| 25 | #include "wx/frame.h" |
| 26 | #include "wx/settings.h" |
| 27 | #include "wx/dcclient.h" |
| 28 | #include "wx/intl.h" |
| 29 | #include "wx/log.h" |
| 30 | #endif |
| 31 | |
| 32 | #include "wx/msw/private.h" |
| 33 | #include <windowsx.h> |
| 34 | |
| 35 | #if wxUSE_UXTHEME |
| 36 | #include "wx/msw/uxtheme.h" |
| 37 | #endif |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | // macros |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | |
| 43 | // windowsx.h and commctrl.h don't define those, so we do it here |
| 44 | #define StatusBar_SetParts(h, n, w) SendMessage(h, SB_SETPARTS, (WPARAM)n, (LPARAM)w) |
| 45 | #define StatusBar_SetText(h, n, t) SendMessage(h, SB_SETTEXT, (WPARAM)n, (LPARAM)(LPCTSTR)t) |
| 46 | #define StatusBar_GetTextLen(h, n) LOWORD(SendMessage(h, SB_GETTEXTLENGTH, (WPARAM)n, 0)) |
| 47 | #define StatusBar_GetText(h, n, s) LOWORD(SendMessage(h, SB_GETTEXT, (WPARAM)n, (LPARAM)(LPTSTR)s)) |
| 48 | |
| 49 | // ============================================================================ |
| 50 | // implementation |
| 51 | // ============================================================================ |
| 52 | |
| 53 | // ---------------------------------------------------------------------------- |
| 54 | // wxStatusBar95 class |
| 55 | // ---------------------------------------------------------------------------- |
| 56 | |
| 57 | wxStatusBar95::wxStatusBar95() |
| 58 | { |
| 59 | SetParent(NULL); |
| 60 | m_hWnd = 0; |
| 61 | m_windowId = 0; |
| 62 | } |
| 63 | |
| 64 | bool wxStatusBar95::Create(wxWindow *parent, |
| 65 | wxWindowID id, |
| 66 | long style, |
| 67 | const wxString& name) |
| 68 | { |
| 69 | wxCHECK_MSG( parent, false, wxT("status bar must have a parent") ); |
| 70 | |
| 71 | SetName(name); |
| 72 | SetWindowStyleFlag(style); |
| 73 | SetParent(parent); |
| 74 | |
| 75 | parent->AddChild(this); |
| 76 | |
| 77 | m_windowId = id == wxID_ANY ? NewControlId() : id; |
| 78 | |
| 79 | DWORD wstyle = WS_CHILD | WS_VISIBLE; |
| 80 | |
| 81 | if ( style & wxCLIP_SIBLINGS ) |
| 82 | wstyle |= WS_CLIPSIBLINGS; |
| 83 | |
| 84 | // setting SBARS_SIZEGRIP is perfectly useless: it's always on by default |
| 85 | // (at least in the version of comctl32.dll I'm using), and the only way to |
| 86 | // turn it off is to use CCS_TOP style - as we position the status bar |
| 87 | // manually anyhow (see DoMoveWindow), use CCS_TOP style if wxST_SIZEGRIP |
| 88 | // is not given |
| 89 | if ( !(style & wxST_SIZEGRIP) ) |
| 90 | { |
| 91 | wstyle |= CCS_TOP; |
| 92 | } |
| 93 | else |
| 94 | { |
| 95 | #ifndef __WXWINCE__ |
| 96 | // may be some versions of comctl32.dll do need it - anyhow, it won't |
| 97 | // do any harm |
| 98 | wstyle |= SBARS_SIZEGRIP; |
| 99 | #endif |
| 100 | } |
| 101 | |
| 102 | m_hWnd = (WXHWND)CreateStatusWindow(wstyle, |
| 103 | wxEmptyString, |
| 104 | GetHwndOf(parent), |
| 105 | m_windowId); |
| 106 | if ( m_hWnd == 0 ) |
| 107 | { |
| 108 | wxLogSysError(_("Failed to create a status bar.")); |
| 109 | |
| 110 | return false; |
| 111 | } |
| 112 | |
| 113 | SetFieldsCount(1); |
| 114 | SubclassWin(m_hWnd); |
| 115 | InheritAttributes(); |
| 116 | |
| 117 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR)); |
| 118 | |
| 119 | // we must refresh the frame size when the statusbar is created, because |
| 120 | // its client area might change |
| 121 | wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); |
| 122 | if ( frame ) |
| 123 | { |
| 124 | frame->SendSizeEvent(); |
| 125 | } |
| 126 | |
| 127 | return true; |
| 128 | } |
| 129 | |
| 130 | wxStatusBar95::~wxStatusBar95() |
| 131 | { |
| 132 | // we must refresh the frame size when the statusbar is deleted but the |
| 133 | // frame is not - otherwise statusbar leaves a hole in the place it used to |
| 134 | // occupy |
| 135 | wxFrame *frame = wxDynamicCast(GetParent(), wxFrame); |
| 136 | if ( frame && !frame->IsBeingDeleted() ) |
| 137 | { |
| 138 | frame->SendSizeEvent(); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | void wxStatusBar95::SetFieldsCount(int nFields, const int *widths) |
| 143 | { |
| 144 | // this is a Windows limitation |
| 145 | wxASSERT_MSG( (nFields > 0) && (nFields < 255), _T("too many fields") ); |
| 146 | |
| 147 | wxStatusBarBase::SetFieldsCount(nFields, widths); |
| 148 | |
| 149 | SetFieldsWidth(); |
| 150 | } |
| 151 | |
| 152 | void wxStatusBar95::SetStatusWidths(int n, const int widths[]) |
| 153 | { |
| 154 | wxStatusBarBase::SetStatusWidths(n, widths); |
| 155 | |
| 156 | SetFieldsWidth(); |
| 157 | } |
| 158 | |
| 159 | void wxStatusBar95::SetFieldsWidth() |
| 160 | { |
| 161 | if ( !m_nFields ) |
| 162 | return; |
| 163 | |
| 164 | int aBorders[3]; |
| 165 | SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders); |
| 166 | |
| 167 | int extraWidth = aBorders[2]; // space between fields |
| 168 | |
| 169 | wxArrayInt widthsAbs = |
| 170 | CalculateAbsWidths(GetClientSize().x - extraWidth*(m_nFields - 1)); |
| 171 | |
| 172 | int *pWidths = new int[m_nFields]; |
| 173 | |
| 174 | int nCurPos = 0; |
| 175 | for ( int i = 0; i < m_nFields; i++ ) { |
| 176 | nCurPos += widthsAbs[i] + extraWidth; |
| 177 | pWidths[i] = nCurPos; |
| 178 | } |
| 179 | |
| 180 | if ( !StatusBar_SetParts(GetHwnd(), m_nFields, pWidths) ) { |
| 181 | wxLogLastError(wxT("StatusBar_SetParts")); |
| 182 | } |
| 183 | |
| 184 | delete [] pWidths; |
| 185 | } |
| 186 | |
| 187 | void wxStatusBar95::SetStatusText(const wxString& strText, int nField) |
| 188 | { |
| 189 | wxCHECK_RET( (nField >= 0) && (nField < m_nFields), |
| 190 | _T("invalid statusbar field index") ); |
| 191 | |
| 192 | if ( strText == GetStatusText(nField) ) |
| 193 | { |
| 194 | // don't call StatusBar_SetText() to avoid flicker |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | // Get field style, if any |
| 199 | int style; |
| 200 | if (m_statusStyles) |
| 201 | { |
| 202 | switch(m_statusStyles[nField]) |
| 203 | { |
| 204 | case wxSB_RAISED: |
| 205 | style = SBT_POPOUT; |
| 206 | break; |
| 207 | case wxSB_FLAT: |
| 208 | style = SBT_NOBORDERS; |
| 209 | break; |
| 210 | case wxSB_NORMAL: |
| 211 | default: |
| 212 | style = 0; |
| 213 | break; |
| 214 | } |
| 215 | } |
| 216 | else |
| 217 | style = 0; |
| 218 | |
| 219 | // Pass both field number and style. MSDN library doesn't mention |
| 220 | // that nField and style have to be 'ORed' |
| 221 | if ( !StatusBar_SetText(GetHwnd(), nField | style, strText.wx_str()) ) |
| 222 | { |
| 223 | wxLogLastError(wxT("StatusBar_SetText")); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | wxString wxStatusBar95::GetStatusText(int nField) const |
| 228 | { |
| 229 | wxCHECK_MSG( (nField >= 0) && (nField < m_nFields), wxEmptyString, |
| 230 | _T("invalid statusbar field index") ); |
| 231 | |
| 232 | wxString str; |
| 233 | int len = StatusBar_GetTextLen(GetHwnd(), nField); |
| 234 | if ( len > 0 ) |
| 235 | { |
| 236 | StatusBar_GetText(GetHwnd(), nField, wxStringBuffer(str, len)); |
| 237 | } |
| 238 | |
| 239 | return str; |
| 240 | } |
| 241 | |
| 242 | int wxStatusBar95::GetBorderX() const |
| 243 | { |
| 244 | int aBorders[3]; |
| 245 | SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders); |
| 246 | |
| 247 | return aBorders[0]; |
| 248 | } |
| 249 | |
| 250 | int wxStatusBar95::GetBorderY() const |
| 251 | { |
| 252 | int aBorders[3]; |
| 253 | SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders); |
| 254 | |
| 255 | return aBorders[1]; |
| 256 | } |
| 257 | |
| 258 | void wxStatusBar95::SetMinHeight(int height) |
| 259 | { |
| 260 | SendMessage(GetHwnd(), SB_SETMINHEIGHT, height + 2*GetBorderY(), 0); |
| 261 | |
| 262 | // have to send a (dummy) WM_SIZE to redraw it now |
| 263 | SendMessage(GetHwnd(), WM_SIZE, 0, 0); |
| 264 | } |
| 265 | |
| 266 | bool wxStatusBar95::GetFieldRect(int i, wxRect& rect) const |
| 267 | { |
| 268 | wxCHECK_MSG( (i >= 0) && (i < m_nFields), false, |
| 269 | _T("invalid statusbar field index") ); |
| 270 | |
| 271 | RECT r; |
| 272 | if ( !::SendMessage(GetHwnd(), SB_GETRECT, i, (LPARAM)&r) ) |
| 273 | { |
| 274 | wxLogLastError(wxT("SendMessage(SB_GETRECT)")); |
| 275 | } |
| 276 | |
| 277 | #if wxUSE_UXTHEME |
| 278 | wxUxThemeHandle theme((wxStatusBar95 *)this, L"Status"); // const_cast |
| 279 | if ( theme ) |
| 280 | { |
| 281 | // by default Windows has a 2 pixel border to the right of the left |
| 282 | // divider (or it could be a bug) but it looks wrong so remove it |
| 283 | if ( i != 0 ) |
| 284 | { |
| 285 | r.left -= 2; |
| 286 | } |
| 287 | |
| 288 | wxUxThemeEngine::Get()->GetThemeBackgroundContentRect(theme, NULL, |
| 289 | 1 /* SP_PANE */, 0, |
| 290 | &r, &r); |
| 291 | } |
| 292 | #endif |
| 293 | |
| 294 | wxCopyRECTToRect(r, rect); |
| 295 | |
| 296 | return true; |
| 297 | } |
| 298 | |
| 299 | // no idea for a default width, just choose something |
| 300 | #define DEFAULT_FIELD_WIDTH 25 |
| 301 | |
| 302 | wxSize wxStatusBar95::DoGetBestSize() const |
| 303 | { |
| 304 | int borders[3]; |
| 305 | SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)borders); |
| 306 | |
| 307 | // calculate width |
| 308 | int width = 0; |
| 309 | for ( int i = 0; i < m_nFields; ++i ) |
| 310 | { |
| 311 | int widthField = m_statusWidths ? m_statusWidths[i] |
| 312 | : DEFAULT_FIELD_WIDTH; |
| 313 | if ( widthField >= 0 ) |
| 314 | { |
| 315 | width += m_statusWidths[i]; |
| 316 | } |
| 317 | else |
| 318 | { |
| 319 | // variable width field, its width is really a proportion |
| 320 | // related to the other fields |
| 321 | width += -widthField*DEFAULT_FIELD_WIDTH; |
| 322 | } |
| 323 | |
| 324 | // add the space between fields |
| 325 | width += borders[2]; |
| 326 | } |
| 327 | |
| 328 | if ( !width ) |
| 329 | { |
| 330 | // still need something even for an empty status bar |
| 331 | width = 2*DEFAULT_FIELD_WIDTH; |
| 332 | } |
| 333 | |
| 334 | |
| 335 | // calculate height |
| 336 | int height; |
| 337 | wxGetCharSize(GetHWND(), NULL, &height, GetFont()); |
| 338 | height = EDIT_HEIGHT_FROM_CHAR_HEIGHT(height); |
| 339 | height += borders[1]; |
| 340 | |
| 341 | wxSize best(width, height); |
| 342 | CacheBestSize(best); |
| 343 | return best; |
| 344 | } |
| 345 | |
| 346 | void wxStatusBar95::DoMoveWindow(int x, int y, int width, int height) |
| 347 | { |
| 348 | if ( GetParent()->IsSizeDeferred() ) |
| 349 | { |
| 350 | wxWindowMSW::DoMoveWindow(x, y, width, height); |
| 351 | } |
| 352 | else |
| 353 | { |
| 354 | // parent pos/size isn't deferred so do it now but don't send |
| 355 | // WM_WINDOWPOSCHANGING since we don't want to change pos/size later |
| 356 | // we must use SWP_NOCOPYBITS here otherwise it paints incorrectly |
| 357 | // if other windows are size deferred |
| 358 | ::SetWindowPos(GetHwnd(), NULL, x, y, width, height, |
| 359 | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE |
| 360 | #ifndef __WXWINCE__ |
| 361 | | SWP_NOCOPYBITS | SWP_NOSENDCHANGING |
| 362 | #endif |
| 363 | ); |
| 364 | } |
| 365 | |
| 366 | // adjust fields widths to the new size |
| 367 | SetFieldsWidth(); |
| 368 | |
| 369 | // we have to trigger wxSizeEvent if there are children window in status |
| 370 | // bar because GetFieldRect returned incorrect (not updated) values up to |
| 371 | // here, which almost certainly resulted in incorrectly redrawn statusbar |
| 372 | if ( m_children.GetCount() > 0 ) |
| 373 | { |
| 374 | wxSizeEvent event(GetClientSize(), m_windowId); |
| 375 | event.SetEventObject(this); |
| 376 | GetEventHandler()->ProcessEvent(event); |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | void wxStatusBar95::SetStatusStyles(int n, const int styles[]) |
| 381 | { |
| 382 | wxStatusBarBase::SetStatusStyles(n, styles); |
| 383 | |
| 384 | if (n != m_nFields) |
| 385 | return; |
| 386 | |
| 387 | for (int i = 0; i < n; i++) |
| 388 | { |
| 389 | int style; |
| 390 | switch(styles[i]) |
| 391 | { |
| 392 | case wxSB_RAISED: |
| 393 | style = SBT_POPOUT; |
| 394 | break; |
| 395 | case wxSB_FLAT: |
| 396 | style = SBT_NOBORDERS; |
| 397 | break; |
| 398 | case wxSB_NORMAL: |
| 399 | default: |
| 400 | style = 0; |
| 401 | break; |
| 402 | } |
| 403 | // The SB_SETTEXT message is both used to set the field's text as well as |
| 404 | // the fields' styles. MSDN library doesn't mention |
| 405 | // that nField and style have to be 'ORed' |
| 406 | wxString text = GetStatusText(i); |
| 407 | if (!StatusBar_SetText(GetHwnd(), style | i, text.wx_str())) |
| 408 | { |
| 409 | wxLogLastError(wxT("StatusBar_SetText")); |
| 410 | } |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | WXLRESULT |
| 415 | wxStatusBar95::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) |
| 416 | { |
| 417 | #ifndef __WXWINCE__ |
| 418 | if ( nMsg == WM_WINDOWPOSCHANGING ) |
| 419 | { |
| 420 | WINDOWPOS *lpPos = (WINDOWPOS *)lParam; |
| 421 | int x, y, w, h; |
| 422 | GetPosition(&x, &y); |
| 423 | GetSize(&w, &h); |
| 424 | |
| 425 | // we need real window coords and not wx client coords |
| 426 | AdjustForParentClientOrigin(x, y); |
| 427 | |
| 428 | lpPos->x = x; |
| 429 | lpPos->y = y; |
| 430 | lpPos->cx = w; |
| 431 | lpPos->cy = h; |
| 432 | |
| 433 | return 0; |
| 434 | } |
| 435 | |
| 436 | if ( nMsg == WM_NCLBUTTONDOWN ) |
| 437 | { |
| 438 | // if hit-test is on gripper then send message to TLW to begin |
| 439 | // resizing. It is possible to send this message to any window. |
| 440 | if ( wParam == HTBOTTOMRIGHT ) |
| 441 | { |
| 442 | wxWindow *win; |
| 443 | |
| 444 | for ( win = GetParent(); win; win = win->GetParent() ) |
| 445 | { |
| 446 | if ( win->IsTopLevel() ) |
| 447 | { |
| 448 | SendMessage(GetHwndOf(win), WM_NCLBUTTONDOWN, |
| 449 | wParam, lParam); |
| 450 | |
| 451 | return 0; |
| 452 | } |
| 453 | } |
| 454 | } |
| 455 | } |
| 456 | #endif |
| 457 | |
| 458 | return wxStatusBarBase::MSWWindowProc(nMsg, wParam, lParam); |
| 459 | } |
| 460 | |
| 461 | #endif // wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR |