| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: univ/statusbr.cpp |
| 3 | // Purpose: wxStatusBar implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 14.10.01 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 21 | #pragma implementation "univstatusbr.h" |
| 22 | #endif |
| 23 | |
| 24 | #include "wx/wxprec.h" |
| 25 | |
| 26 | #ifdef __BORLANDC__ |
| 27 | #pragma hdrstop |
| 28 | #endif |
| 29 | |
| 30 | #if wxUSE_STATUSBAR |
| 31 | |
| 32 | #ifndef WX_PRECOMP |
| 33 | #include "wx/settings.h" |
| 34 | #include "wx/dcclient.h" |
| 35 | #endif |
| 36 | |
| 37 | #include "wx/statusbr.h" |
| 38 | #include "wx/toplevel.h" |
| 39 | |
| 40 | #include "wx/univ/renderer.h" |
| 41 | |
| 42 | // ============================================================================ |
| 43 | // implementation |
| 44 | // ============================================================================ |
| 45 | |
| 46 | BEGIN_EVENT_TABLE(wxStatusBarUniv, wxStatusBarBase) |
| 47 | EVT_SIZE(wxStatusBarUniv::OnSize) |
| 48 | |
| 49 | WX_EVENT_TABLE_INPUT_CONSUMER(wxStatusBarUniv) |
| 50 | END_EVENT_TABLE() |
| 51 | |
| 52 | WX_FORWARD_TO_INPUT_CONSUMER(wxStatusBarUniv) |
| 53 | |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | // creation |
| 56 | // ---------------------------------------------------------------------------- |
| 57 | |
| 58 | void wxStatusBarUniv::Init() |
| 59 | { |
| 60 | } |
| 61 | |
| 62 | bool wxStatusBarUniv::Create(wxWindow *parent, |
| 63 | wxWindowID id, |
| 64 | long style, |
| 65 | const wxString& name) |
| 66 | { |
| 67 | if ( !wxWindow::Create(parent, id, |
| 68 | wxDefaultPosition, wxDefaultSize, |
| 69 | style, name) ) |
| 70 | { |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | SetFieldsCount(1); |
| 75 | |
| 76 | CreateInputHandler(wxINP_HANDLER_STATUSBAR); |
| 77 | |
| 78 | SetSize(DoGetBestSize()); |
| 79 | |
| 80 | return true; |
| 81 | } |
| 82 | |
| 83 | // ---------------------------------------------------------------------------- |
| 84 | // drawing |
| 85 | // ---------------------------------------------------------------------------- |
| 86 | |
| 87 | wxRect wxStatusBarUniv::GetTotalFieldRect(wxCoord *borderBetweenFields) |
| 88 | { |
| 89 | wxRect rect = GetClientRect(); |
| 90 | |
| 91 | // no, don't do this - the borders are meant to be inside this rect |
| 92 | // wxSize sizeBorders = |
| 93 | m_renderer->GetStatusBarBorders(borderBetweenFields); |
| 94 | //rect.Deflate(sizeBorders.x, sizeBorders.y); |
| 95 | |
| 96 | // recalc the field widths if needed |
| 97 | if ( m_widthsAbs.IsEmpty() ) |
| 98 | { |
| 99 | // the total width for the fields doesn't include the borders between |
| 100 | // them |
| 101 | m_widthsAbs = CalculateAbsWidths(rect.width - |
| 102 | *borderBetweenFields*(m_nFields - 1)); |
| 103 | } |
| 104 | |
| 105 | return rect; |
| 106 | } |
| 107 | |
| 108 | void wxStatusBarUniv::DoDraw(wxControlRenderer *renderer) |
| 109 | { |
| 110 | // get the fields rect |
| 111 | wxCoord borderBetweenFields; |
| 112 | wxRect rect = GetTotalFieldRect(&borderBetweenFields); |
| 113 | |
| 114 | // prepare the DC |
| 115 | wxDC& dc = renderer->GetDC(); |
| 116 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); |
| 117 | |
| 118 | // do draw the fields |
| 119 | int flags = IsEnabled() ? 0 : (int)wxCONTROL_DISABLED; |
| 120 | for ( int n = 0; n < m_nFields; n++ ) |
| 121 | { |
| 122 | rect.width = m_widthsAbs[n]; |
| 123 | |
| 124 | if ( IsExposed(rect) ) |
| 125 | { |
| 126 | wxTopLevelWindow *parentTLW = wxDynamicCast(GetParent(), wxTopLevelWindow); |
| 127 | |
| 128 | // the size grip may be drawn only on the last field and only if we |
| 129 | // have the corresponding style and even then only if we really can |
| 130 | // resize this frame |
| 131 | if ( n == m_nFields - 1 && |
| 132 | HasFlag(wxST_SIZEGRIP) && |
| 133 | GetParent()->HasFlag(wxRESIZE_BORDER) && |
| 134 | parentTLW && !parentTLW->IsMaximized() ) |
| 135 | { |
| 136 | // NB: we use wxCONTROL_ISDEFAULT for this because it doesn't |
| 137 | // have any meaning for the status bar otherwise anyhow |
| 138 | // (it's still ugly, of course, but there are too few flags |
| 139 | // to squander them for things like this) |
| 140 | flags |= wxCONTROL_ISDEFAULT; |
| 141 | } |
| 142 | |
| 143 | int style; |
| 144 | if (m_statusStyles) |
| 145 | style = m_statusStyles[n]; |
| 146 | else |
| 147 | style = wxSB_NORMAL; |
| 148 | m_renderer->DrawStatusField(dc, rect, m_statusText[n], flags, style); |
| 149 | } |
| 150 | |
| 151 | rect.x += rect.width + borderBetweenFields; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | void wxStatusBarUniv::RefreshField(int i) |
| 156 | { |
| 157 | wxRect rect; |
| 158 | if ( GetFieldRect(i, rect) ) |
| 159 | { |
| 160 | RefreshRect(rect); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | // ---------------------------------------------------------------------------- |
| 165 | // fields text |
| 166 | // ---------------------------------------------------------------------------- |
| 167 | |
| 168 | void wxStatusBarUniv::SetStatusText(const wxString& text, int number) |
| 169 | { |
| 170 | wxCHECK_RET( number >= 0 && number < m_nFields, |
| 171 | _T("invalid status bar field index in SetStatusText()") ); |
| 172 | |
| 173 | if ( text == m_statusText[number] ) |
| 174 | { |
| 175 | // nothing changed |
| 176 | return; |
| 177 | } |
| 178 | |
| 179 | m_statusText[number] = text; |
| 180 | |
| 181 | RefreshField(number); |
| 182 | } |
| 183 | |
| 184 | wxString wxStatusBarUniv::GetStatusText(int number) const |
| 185 | { |
| 186 | wxCHECK_MSG( number >= 0 && number < m_nFields, wxEmptyString, |
| 187 | _T("invalid status bar field index") ); |
| 188 | |
| 189 | return m_statusText[number]; |
| 190 | } |
| 191 | |
| 192 | // ---------------------------------------------------------------------------- |
| 193 | // fields count/widths |
| 194 | // ---------------------------------------------------------------------------- |
| 195 | |
| 196 | void wxStatusBarUniv::SetFieldsCount(int number, const int *widths) |
| 197 | { |
| 198 | m_statusText.SetCount(number); |
| 199 | wxStatusBarBase::SetFieldsCount(number, widths); |
| 200 | m_widthsAbs.Empty(); |
| 201 | } |
| 202 | |
| 203 | void wxStatusBarUniv::SetStatusWidths(int n, const int widths[]) |
| 204 | { |
| 205 | wxStatusBarBase::SetStatusWidths(n, widths); |
| 206 | |
| 207 | m_widthsAbs.Empty(); |
| 208 | } |
| 209 | |
| 210 | // ---------------------------------------------------------------------------- |
| 211 | // geometry |
| 212 | // ---------------------------------------------------------------------------- |
| 213 | |
| 214 | void wxStatusBarUniv::OnSize(wxSizeEvent& event) |
| 215 | { |
| 216 | // we don't need to refresh the fields whose width didn't change, so find |
| 217 | // the first field whose width did change and refresh starting from it |
| 218 | int field; |
| 219 | if ( m_statusWidths ) |
| 220 | { |
| 221 | for ( field = 0; field < m_nFields; field++ ) |
| 222 | { |
| 223 | if ( m_statusWidths[field] < 0 ) |
| 224 | { |
| 225 | // var width field |
| 226 | break; |
| 227 | } |
| 228 | } |
| 229 | } |
| 230 | else // all fields have the same width |
| 231 | { |
| 232 | // hence all fields widths have changed |
| 233 | field = 0; |
| 234 | } |
| 235 | |
| 236 | if ( field < m_nFields ) |
| 237 | { |
| 238 | // call this before invalidating the old widths as we want to use them, |
| 239 | // not the new ones |
| 240 | wxRect rect = DoGetFieldRect(field); |
| 241 | |
| 242 | // invalidate the widths, we'll have to recalc them |
| 243 | m_widthsAbs.Empty(); |
| 244 | |
| 245 | // refresh everything after the first invalid field |
| 246 | rect.y = 0; |
| 247 | rect.SetRight(event.GetSize().x); |
| 248 | rect.height = event.GetSize().y; |
| 249 | RefreshRect(rect); |
| 250 | } |
| 251 | |
| 252 | event.Skip(); |
| 253 | } |
| 254 | |
| 255 | bool wxStatusBarUniv::GetFieldRect(int n, wxRect& rect) const |
| 256 | { |
| 257 | wxCHECK_MSG( n >= 0 && n < m_nFields, false, |
| 258 | _T("invalid field index in GetFieldRect()") ); |
| 259 | |
| 260 | // this is a fix for a bug exhibited by the statbar sample: if |
| 261 | // GetFieldRect() is called from the derived class OnSize() handler, then |
| 262 | // our geometry info is wrong as our OnSize() didn't invalidate m_widthsAbs |
| 263 | // yet - so recalc it just in case |
| 264 | wxConstCast(this, wxStatusBarUniv)->m_widthsAbs.Empty(); |
| 265 | |
| 266 | rect = DoGetFieldRect(n); |
| 267 | |
| 268 | return true; |
| 269 | } |
| 270 | |
| 271 | wxRect wxStatusBarUniv::DoGetFieldRect(int n) const |
| 272 | { |
| 273 | wxStatusBarUniv *self = wxConstCast(this, wxStatusBarUniv); |
| 274 | |
| 275 | wxCoord borderBetweenFields; |
| 276 | wxRect rect = self->GetTotalFieldRect(&borderBetweenFields); |
| 277 | |
| 278 | // it's the caller responsability to check this, if unsure - call |
| 279 | // GetFieldRect() instead |
| 280 | wxCHECK_MSG( !m_widthsAbs.IsEmpty(), rect, |
| 281 | _T("can't be called if we don't have the widths") ); |
| 282 | |
| 283 | for ( int i = 0; i <= n; i++ ) |
| 284 | { |
| 285 | rect.width = m_widthsAbs[i]; |
| 286 | |
| 287 | if ( i < n ) |
| 288 | rect.x += rect.width + borderBetweenFields; |
| 289 | } |
| 290 | |
| 291 | return rect; |
| 292 | } |
| 293 | |
| 294 | wxCoord wxStatusBarUniv::GetHeight() const |
| 295 | { |
| 296 | wxClientDC dc(wxConstCast(this, wxStatusBarUniv)); |
| 297 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); |
| 298 | |
| 299 | return dc.GetCharHeight() + 2*GetBorderY(); |
| 300 | } |
| 301 | |
| 302 | wxSize wxStatusBarUniv::DoGetBestSize() const |
| 303 | { |
| 304 | return wxSize(100, GetHeight()); |
| 305 | } |
| 306 | |
| 307 | void wxStatusBarUniv::DoSetSize(int x, int y, |
| 308 | int width, int WXUNUSED(height), |
| 309 | int sizeFlags) |
| 310 | { |
| 311 | wxStatusBarBase::DoSetSize(x, y, width, GetHeight(), sizeFlags); |
| 312 | } |
| 313 | |
| 314 | // ---------------------------------------------------------------------------- |
| 315 | // misc |
| 316 | // ---------------------------------------------------------------------------- |
| 317 | |
| 318 | void wxStatusBarUniv::SetMinHeight(int WXUNUSED(height)) |
| 319 | { |
| 320 | // nothing to do here, we don't support it - and why would we? |
| 321 | } |
| 322 | |
| 323 | int wxStatusBarUniv::GetBorderX() const |
| 324 | { |
| 325 | return m_renderer->GetStatusBarBorders(NULL).x; |
| 326 | } |
| 327 | |
| 328 | int wxStatusBarUniv::GetBorderY() const |
| 329 | { |
| 330 | return m_renderer->GetStatusBarBorders(NULL).y; |
| 331 | } |
| 332 | |
| 333 | #endif // wxUSE_STATUSBAR |
| 334 | |