| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/statbmp.cpp |
| 3 | // Purpose: wxStaticBitmap |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_STATBMP |
| 28 | |
| 29 | #include "wx/statbmp.h" |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/window.h" |
| 33 | #include "wx/icon.h" |
| 34 | #endif |
| 35 | |
| 36 | #include "wx/msw/private.h" |
| 37 | |
| 38 | #include "wx/sysopt.h" |
| 39 | |
| 40 | #include <stdio.h> |
| 41 | |
| 42 | // --------------------------------------------------------------------------- |
| 43 | // macors |
| 44 | // --------------------------------------------------------------------------- |
| 45 | |
| 46 | #if wxUSE_EXTENDED_RTTI |
| 47 | WX_DEFINE_FLAGS( wxStaticBitmapStyle ) |
| 48 | |
| 49 | wxBEGIN_FLAGS( wxStaticBitmapStyle ) |
| 50 | // new style border flags, we put them first to |
| 51 | // use them for streaming out |
| 52 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
| 53 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) |
| 54 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) |
| 55 | wxFLAGS_MEMBER(wxBORDER_RAISED) |
| 56 | wxFLAGS_MEMBER(wxBORDER_STATIC) |
| 57 | wxFLAGS_MEMBER(wxBORDER_NONE) |
| 58 | |
| 59 | // old style border flags |
| 60 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
| 61 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) |
| 62 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) |
| 63 | wxFLAGS_MEMBER(wxRAISED_BORDER) |
| 64 | wxFLAGS_MEMBER(wxSTATIC_BORDER) |
| 65 | wxFLAGS_MEMBER(wxBORDER) |
| 66 | |
| 67 | // standard window styles |
| 68 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
| 69 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) |
| 70 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) |
| 71 | wxFLAGS_MEMBER(wxWANTS_CHARS) |
| 72 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
| 73 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
| 74 | wxFLAGS_MEMBER(wxVSCROLL) |
| 75 | wxFLAGS_MEMBER(wxHSCROLL) |
| 76 | |
| 77 | wxEND_FLAGS( wxStaticBitmapStyle ) |
| 78 | |
| 79 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticBitmap, wxControl,"wx/statbmp.h") |
| 80 | |
| 81 | wxBEGIN_PROPERTIES_TABLE(wxStaticBitmap) |
| 82 | wxPROPERTY_FLAGS( WindowStyle , wxStaticBitmapStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style |
| 83 | wxEND_PROPERTIES_TABLE() |
| 84 | |
| 85 | wxBEGIN_HANDLERS_TABLE(wxStaticBitmap) |
| 86 | wxEND_HANDLERS_TABLE() |
| 87 | |
| 88 | wxCONSTRUCTOR_5( wxStaticBitmap, wxWindow* , Parent , wxWindowID , Id , wxBitmap, Bitmap, wxPoint , Position , wxSize , Size ) |
| 89 | |
| 90 | #else |
| 91 | IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) |
| 92 | #endif |
| 93 | |
| 94 | /* |
| 95 | TODO PROPERTIES : |
| 96 | bitmap |
| 97 | */ |
| 98 | |
| 99 | // =========================================================================== |
| 100 | // implementation |
| 101 | // =========================================================================== |
| 102 | |
| 103 | // --------------------------------------------------------------------------- |
| 104 | // wxStaticBitmap |
| 105 | // --------------------------------------------------------------------------- |
| 106 | |
| 107 | // we may have either bitmap or icon: if a bitmap with mask is passed, we |
| 108 | // will transform it to an icon ourselves because otherwise the mask will |
| 109 | // be ignored by Windows |
| 110 | // note that this function will create a new object every time |
| 111 | // it is called even if the image needs no conversion |
| 112 | |
| 113 | static wxGDIImage* ConvertImage( const wxGDIImage& bitmap ) |
| 114 | { |
| 115 | bool isIcon = bitmap.IsKindOf( CLASSINFO(wxIcon) ); |
| 116 | |
| 117 | if( !isIcon ) |
| 118 | { |
| 119 | wxASSERT_MSG( wxDynamicCast(&bitmap, wxBitmap), |
| 120 | _T("not an icon and not a bitmap?") ); |
| 121 | |
| 122 | const wxBitmap& bmp = (const wxBitmap&)bitmap; |
| 123 | wxMask *mask = bmp.GetMask(); |
| 124 | if ( mask && mask->GetMaskBitmap() ) |
| 125 | { |
| 126 | wxIcon* icon = new wxIcon; |
| 127 | icon->CopyFromBitmap(bmp); |
| 128 | |
| 129 | return icon; |
| 130 | } |
| 131 | |
| 132 | return new wxBitmap( bmp ); |
| 133 | } |
| 134 | |
| 135 | // copying a bitmap is a cheap operation |
| 136 | return new wxIcon( (const wxIcon&)bitmap ); |
| 137 | } |
| 138 | |
| 139 | bool wxStaticBitmap::Create(wxWindow *parent, |
| 140 | wxWindowID id, |
| 141 | const wxGDIImage& bitmap, |
| 142 | const wxPoint& pos, |
| 143 | const wxSize& size, |
| 144 | long style, |
| 145 | const wxString& name) |
| 146 | { |
| 147 | if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) ) |
| 148 | return false; |
| 149 | |
| 150 | // we may have either bitmap or icon: if a bitmap with mask is passed, we |
| 151 | // will transform it to an icon ourselves because otherwise the mask will |
| 152 | // be ignored by Windows |
| 153 | m_isIcon = bitmap.IsKindOf(CLASSINFO(wxIcon)); |
| 154 | |
| 155 | wxGDIImage *image = ConvertImage( bitmap ); |
| 156 | m_isIcon = image->IsKindOf( CLASSINFO(wxIcon) ); |
| 157 | |
| 158 | // create the native control |
| 159 | if ( !MSWCreateControl(_T("STATIC"), wxEmptyString, pos, size) ) |
| 160 | { |
| 161 | // control creation failed |
| 162 | return false; |
| 163 | } |
| 164 | |
| 165 | // no need to delete the new image |
| 166 | SetImageNoCopy(image); |
| 167 | |
| 168 | // GetBestSize will work properly now, so set the best size if needed |
| 169 | SetInitialSize(size); |
| 170 | |
| 171 | return true; |
| 172 | } |
| 173 | |
| 174 | wxBorder wxStaticBitmap::GetDefaultBorder() const |
| 175 | { |
| 176 | return wxBORDER_NONE; |
| 177 | } |
| 178 | |
| 179 | WXDWORD wxStaticBitmap::MSWGetStyle(long style, WXDWORD *exstyle) const |
| 180 | { |
| 181 | WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); |
| 182 | |
| 183 | // what kind of control are we? |
| 184 | msStyle |= m_isIcon ? SS_ICON : SS_BITMAP; |
| 185 | |
| 186 | // we use SS_CENTERIMAGE to prevent the control from resizing the bitmap to |
| 187 | // fit to its size -- this is unexpected and doesn't happen in other ports |
| 188 | // |
| 189 | // and SS_NOTIFY is necessary to receive mouse events |
| 190 | msStyle |= SS_CENTERIMAGE | SS_NOTIFY; |
| 191 | |
| 192 | return msStyle; |
| 193 | } |
| 194 | |
| 195 | bool wxStaticBitmap::ImageIsOk() const |
| 196 | { |
| 197 | return m_image && m_image->Ok(); |
| 198 | } |
| 199 | |
| 200 | wxIcon wxStaticBitmap::GetIcon() const |
| 201 | { |
| 202 | wxCHECK_MSG( m_image, wxIcon(), _T("no image in wxStaticBitmap") ); |
| 203 | |
| 204 | // we can't ask for an icon if all we have is a bitmap |
| 205 | wxCHECK_MSG( m_isIcon, wxIcon(), _T("no icon in this wxStaticBitmap") ); |
| 206 | |
| 207 | return *(wxIcon *)m_image; |
| 208 | } |
| 209 | |
| 210 | wxBitmap wxStaticBitmap::GetBitmap() const |
| 211 | { |
| 212 | if ( m_isIcon ) |
| 213 | { |
| 214 | // don't fail because we might have replaced the bitmap with icon |
| 215 | // ourselves internally in ConvertImage() to keep the transparency but |
| 216 | // the user code doesn't know about it so it still can use GetBitmap() |
| 217 | // to retrieve the bitmap |
| 218 | return wxBitmap(GetIcon()); |
| 219 | } |
| 220 | else // we have a bitmap |
| 221 | { |
| 222 | wxCHECK_MSG( m_image, wxBitmap(), _T("no image in wxStaticBitmap") ); |
| 223 | |
| 224 | return *(wxBitmap *)m_image; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | void wxStaticBitmap::Free() |
| 229 | { |
| 230 | delete m_image; |
| 231 | |
| 232 | m_image = NULL; |
| 233 | } |
| 234 | |
| 235 | wxSize wxStaticBitmap::DoGetBestSize() const |
| 236 | { |
| 237 | if ( ImageIsOk() ) |
| 238 | { |
| 239 | wxSize best(m_image->GetWidth(), m_image->GetHeight()); |
| 240 | CacheBestSize(best); |
| 241 | return best; |
| 242 | } |
| 243 | |
| 244 | // this is completely arbitrary |
| 245 | return wxSize(16, 16); |
| 246 | } |
| 247 | |
| 248 | void wxStaticBitmap::SetImage( const wxGDIImage* image ) |
| 249 | { |
| 250 | wxGDIImage* convertedImage = ConvertImage( *image ); |
| 251 | SetImageNoCopy( convertedImage ); |
| 252 | InvalidateBestSize(); |
| 253 | } |
| 254 | |
| 255 | void wxStaticBitmap::SetImageNoCopy( wxGDIImage* image) |
| 256 | { |
| 257 | Free(); |
| 258 | |
| 259 | m_isIcon = image->IsKindOf( CLASSINFO(wxIcon) ); |
| 260 | // the image has already been copied |
| 261 | m_image = image; |
| 262 | |
| 263 | int x, y; |
| 264 | int w, h; |
| 265 | GetPosition(&x, &y); |
| 266 | GetSize(&w, &h); |
| 267 | |
| 268 | #ifdef __WIN32__ |
| 269 | HANDLE handle = (HANDLE)m_image->GetHandle(); |
| 270 | LONG style = ::GetWindowLong( (HWND)GetHWND(), GWL_STYLE ) ; |
| 271 | ::SetWindowLong( (HWND)GetHWND(), GWL_STYLE, ( style & ~( SS_BITMAP|SS_ICON ) ) | |
| 272 | ( m_isIcon ? SS_ICON : SS_BITMAP ) ); |
| 273 | HGDIOBJ oldHandle = (HGDIOBJ)::SendMessage(GetHwnd(), STM_SETIMAGE, |
| 274 | m_isIcon ? IMAGE_ICON : IMAGE_BITMAP, (LPARAM)handle); |
| 275 | // detect if this is still the handle we passed before or |
| 276 | // if the static-control made a copy of the bitmap! |
| 277 | if (m_currentHandle != 0 && oldHandle != (HGDIOBJ) m_currentHandle) |
| 278 | { |
| 279 | // the static control made a copy and we are responsible for deleting it |
| 280 | DeleteObject((HGDIOBJ) oldHandle); |
| 281 | } |
| 282 | m_currentHandle = (WXHANDLE)handle; |
| 283 | #endif // Win32 |
| 284 | |
| 285 | if ( ImageIsOk() ) |
| 286 | { |
| 287 | int width = image->GetWidth(), |
| 288 | height = image->GetHeight(); |
| 289 | if ( width && height ) |
| 290 | { |
| 291 | w = width; |
| 292 | h = height; |
| 293 | |
| 294 | ::MoveWindow(GetHwnd(), x, y, width, height, FALSE); |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | RECT rect; |
| 299 | rect.left = x; |
| 300 | rect.top = y; |
| 301 | rect.right = x + w; |
| 302 | rect.bottom = y + h; |
| 303 | ::InvalidateRect(GetHwndOf(GetParent()), &rect, TRUE); |
| 304 | } |
| 305 | |
| 306 | #endif // wxUSE_STATBMP |