X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/83911a5a4d3be63141419b4401259093514794a3..96c9640205933ad0673d5af2c96af0816c50160c:/src/msw/cursor.cpp diff --git a/src/msw/cursor.cpp b/src/msw/cursor.cpp index 4ccdedbe1e..bb932667b1 100644 --- a/src/msw/cursor.cpp +++ b/src/msw/cursor.cpp @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "cursor.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,29 +24,21 @@ #pragma hdrstop #endif +#include "wx/cursor.h" + #ifndef WX_PRECOMP - #include "wx/list.h" #include "wx/utils.h" #include "wx/app.h" #include "wx/bitmap.h" #include "wx/icon.h" - #include "wx/cursor.h" + #include "wx/settings.h" + #include "wx/intl.h" + #include "wx/image.h" + #include "wx/module.h" #endif -#include "wx/ptr_scpd.h" - -#include "wx/module.h" -#include "wx/image.h" #include "wx/msw/private.h" - -#ifndef __WXMICROWIN__ - #include "wx/msw/dib.h" -#endif - -#if wxUSE_RESOURCE_LOADING_IN_MSW - #include "wx/msw/curico.h" - #include "wx/msw/curicop.h" -#endif +#include "wx/msw/missing.h" // IDC_HAND // define functions missing in MicroWin #ifdef __WXMICROWIN__ @@ -112,23 +100,15 @@ public: { gs_globalCursor = new wxCursor; - return TRUE; + return true; } virtual void OnExit() { - delete gs_globalCursor; - gs_globalCursor = (wxCursor *)NULL; + wxDELETE(gs_globalCursor); } }; -// ---------------------------------------------------------------------------- -// other types -// ---------------------------------------------------------------------------- - -wxDECLARE_SCOPED_ARRAY(unsigned char, ByteArray); -wxDEFINE_SCOPED_ARRAY(unsigned char, ByteArray); - // ============================================================================ // implementation // ============================================================================ @@ -172,8 +152,10 @@ void wxCursorRefData::Free() { if ( m_hCursor ) { +#ifndef __WXWINCE__ if ( m_destroyCursor ) ::DestroyCursor((HCURSOR)m_hCursor); +#endif m_hCursor = 0; } @@ -187,6 +169,7 @@ wxCursor::wxCursor() { } +#if wxUSE_IMAGE wxCursor::wxCursor(const wxImage& image) { // image has to be of the standard cursor size, otherwise we won't be able @@ -194,124 +177,58 @@ wxCursor::wxCursor(const wxImage& image) const int w = wxCursorRefData::GetStandardWidth(); const int h = wxCursorRefData::GetStandardHeight(); - wxImage image32 = image.Scale(w, h); - - const int imagebitcount = (w*h)/8; - - ByteArray bits(new unsigned char [imagebitcount]), - maskBits(new unsigned char [imagebitcount]); + int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X); + int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y); + int image_w = image.GetWidth(); + int image_h = image.GetHeight(); - int i, j, i8; - unsigned char c, cMask; + wxASSERT_MSG( hotSpotX >= 0 && hotSpotX < image_w && + hotSpotY >= 0 && hotSpotY < image_h, + wxT("invalid cursor hot spot coordinates") ); - const unsigned char * const rgbBits = image32.GetData(); + wxImage imageSized(image); // final image of correct size - // first create the XOR mask - for ( i = 0; i < imagebitcount; i++ ) + // if image is too small then place it in the center, resize it if too big + if ((w > image_w) && (h > image_h)) { - bits[i] = 0; - i8 = i * 8; - // unlike gtk, the pixels go in the opposite order in the bytes - cMask = 128; - for ( j = 0; j < 8; j++ ) - { - // possible overflow if we do the summation first ? - c = rgbBits[(i8+j)*3]/3 + - rgbBits[(i8+j)*3+1]/3 + - rgbBits[(i8+j)*3+2]/3; - - // if average value is > mid grey - if ( c > 127 ) - bits[i] = bits[i] | cMask; - cMask = cMask / 2; - } - } + wxPoint offset((w - image_w)/2, (h - image_h)/2); + hotSpotX = hotSpotX + offset.x; + hotSpotY = hotSpotY + offset.y; - // now the AND one - if ( image32.HasMask() ) - { - unsigned char r = image32.GetMaskRed(), - g = image32.GetMaskGreen(), - b = image32.GetMaskBlue(); - - for ( i = 0; i < imagebitcount; i++ ) - { - maskBits[i] = 0x0; - i8 = i * 8; - - cMask = 128; - for ( j = 0; j < 8; j++ ) - { - if ( rgbBits[(i8+j)*3] == r && - rgbBits[(i8+j)*3+1] == g && - rgbBits[(i8+j)*3+2] == b ) - { - maskBits[i] = maskBits[i] | cMask; - } - - cMask = cMask / 2; - } - } + imageSized = image.Size(wxSize(w, h), offset); } - else // no mask in the image + else if ((w != image_w) || (h != image_h)) { - memset(maskBits.get(), 0, sizeof(unsigned char)*imagebitcount); + hotSpotX = int(hotSpotX * double(w) / double(image_w)); + hotSpotY = int(hotSpotY * double(h) / double(image_h)); + + imageSized = image.Scale(w, h); } - // determine where should the cursors hot spot be - int hotSpotX = image32.GetOptionInt(wxCUR_HOTSPOT_X); - int hotSpotY = image32.GetOptionInt(wxCUR_HOTSPOT_Y); - if (hotSpotX < 0 || hotSpotX >= w) - hotSpotX = 0; - if (hotSpotY < 0 || hotSpotY >= h) - hotSpotY = 0; - - // do create cursor now - HCURSOR hcursor = ::CreateCursor - ( - wxGetInstance(), - hotSpotX, hotSpotY, - w, h, - /* AND */ maskBits.get(), - /* XOR */ bits.get() - ); + HCURSOR hcursor = wxBitmapToHCURSOR( wxBitmap(imageSized), + hotSpotX, hotSpotY ); if ( !hcursor ) { - wxLogLastError(_T("CreateCursor")); + wxLogWarning(_("Failed to create cursor.")); + return; } - else - { - m_refData = new wxCursorRefData(hcursor, true /* delete it */); - } -} -wxCursor::wxCursor(const char WXUNUSED(bits)[], - int WXUNUSED(width), - int WXUNUSED(height), - int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY), - const char WXUNUSED(maskBits)[]) -{ + m_refData = new wxCursorRefData(hcursor, true /* delete it later */); } +#endif // wxUSE_IMAGE // MicroWin doesn't have support needed for the other ctors #ifdef __WXMICROWIN__ -wxCursor::wxCursor(const wxString& WXUNUSED(filename), - long WXUNUSED(kind), - int WXUNUSED(hotSpotX), - int WXUNUSED(hotSpotY)) -{ -} - -wxCursor::wxCursor(int WXUNUSED(cursor_type)) +wxCursor::InitFromStock(wxStockCursor WXUNUSED(cursor_type)) { } #else // !__WXMICROWIN__ wxCursor::wxCursor(const wxString& filename, - long kind, + wxBitmapType kind, int hotSpotX, int hotSpotY) { @@ -319,46 +236,35 @@ wxCursor::wxCursor(const wxString& filename, switch ( kind ) { case wxBITMAP_TYPE_CUR_RESOURCE: - hcursor = ::LoadCursor(wxGetInstance(), filename); + hcursor = ::LoadCursor(wxGetInstance(), filename.t_str()); break; +#ifndef __WXWINCE__ case wxBITMAP_TYPE_CUR: - hcursor = ::LoadCursorFromFile(filename); + hcursor = ::LoadCursorFromFile(filename.t_str()); break; +#endif -#if wxUSE_RESOURCE_LOADING_IN_MSW case wxBITMAP_TYPE_ICO: - hcursor = IconToCursor((wxChar *)filename.c_str(), - wxGetInstance(), - hotSpotX, hotSpotY, - NULL, NULL); + hcursor = wxBitmapToHCURSOR + ( + wxIcon(filename, wxBITMAP_TYPE_ICO), + hotSpotX, + hotSpotY + ); break; case wxBITMAP_TYPE_BMP: - { - HBITMAP hBitmap = 0; - HPALETTE hPalette = 0; - if ( wxReadDIB((wxChar *)filename.c_str(), &hBitmap, &hPalette) ) - { - if (hPalette) - DeleteObject(hPalette); - - POINT pt; - pt.x = hotSpotX; - pt.y = hotSpotY; - hcursor = MakeCursorFromBitmap(wxGetInstance(), hBitmap, &pt); - DeleteObject(hBitmap); - } - else - { - hcursor = NULL; - } - } + hcursor = wxBitmapToHCURSOR + ( + wxBitmap(filename, wxBITMAP_TYPE_BMP), + hotSpotX, + hotSpotY + ); break; -#endif // wxUSE_RESOURCE_LOADING_IN_MSW default: - wxFAIL_MSG( _T("unknown cursor resource type") ); + wxLogError( wxT("unknown cursor resource type '%d'"), kind ); hcursor = NULL; } @@ -366,17 +272,13 @@ wxCursor::wxCursor(const wxString& filename, if ( hcursor ) { m_refData = new wxCursorRefData(hcursor, true /* delete it later */); - -#if WXWIN_COMPATIBILITY_2 - ((wxCursorRefData *)m_refData)->SetOk(); -#endif // WXWIN_COMPATIBILITY_2 } } // Cursors by stock number -wxCursor::wxCursor(int idCursor) +void wxCursor::InitFromStock(wxStockCursor idCursor) { - // all wxWindows standard cursors + // all wxWidgets standard cursors static const struct StdCursor { // is this a standard Windows cursor? @@ -388,31 +290,31 @@ wxCursor::wxCursor(int idCursor) { { true, NULL }, // wxCURSOR_NONE { true, IDC_ARROW }, // wxCURSOR_ARROW - { false, _T("wxCURSOR_RIGHT_ARROW") }, // wxCURSOR_RIGHT_ARROW - { false, _T("wxCURSOR_BULLSEYE") }, // wxCURSOR_BULLSEYE - { true, IDC_ARROW }, // wxCURSOR_CHAR - { true, IDC_CROSS }, // wxCURSOR_CROSS - { false, _T("wxCURSOR_HAND") }, // wxCURSOR_HAND - { true, IDC_IBEAM }, // wxCURSOR_IBEAM - { true, IDC_ARROW }, // wxCURSOR_LEFT_BUTTON - { false, _T("wxCURSOR_MAGNIFIER") }, // wxCURSOR_MAGNIFIER - { true, IDC_ARROW }, // wxCURSOR_MIDDLE_BUTTON - { true, IDC_NO }, // wxCURSOR_NO_ENTRY - { false, _T("wxCURSOR_PAINT_BRUSH") }, // wxCURSOR_PAINT_BRUSH - { false, _T("wxCURSOR_PENCIL") }, // wxCURSOR_PENCIL - { false, _T("wxCURSOR_POINT_LEFT") }, // wxCURSOR_POINT_LEFT - { false, _T("wxCURSOR_POINT_RIGHT") }, // wxCURSOR_POINT_RIGHT - { true, IDC_HELP }, // wxCURSOR_QUESTION_ARROW - { true, IDC_ARROW }, // wxCURSOR_RIGHT_BUTTON - { true, IDC_SIZENESW }, // wxCURSOR_SIZENESW - { true, IDC_SIZENS }, // wxCURSOR_SIZENS - { true, IDC_SIZENWSE }, // wxCURSOR_SIZENWSE - { true, IDC_SIZEWE }, // wxCURSOR_SIZEWE - { true, IDC_SIZEALL }, // wxCURSOR_SIZING - { false, _T("wxCURSOR_SPRAYCAN") }, // wxCURSOR_SPRAYCAN - { true, IDC_WAIT }, // wxCURSOR_WAIT - { true, IDC_WAIT }, // wxCURSOR_WATCH - { false, _T("wxCURSOR_BLANK") }, // wxCURSOR_BLANK + { false, wxT("WXCURSOR_RIGHT_ARROW") }, // wxCURSOR_RIGHT_ARROW + { false, wxT("WXCURSOR_BULLSEYE") }, // wxCURSOR_BULLSEYE + { true, IDC_ARROW }, // WXCURSOR_CHAR + { true, IDC_CROSS }, // WXCURSOR_CROSS + { true, IDC_HAND }, // wxCURSOR_HAND + { true, IDC_IBEAM }, // WXCURSOR_IBEAM + { true, IDC_ARROW }, // WXCURSOR_LEFT_BUTTON + { false, wxT("WXCURSOR_MAGNIFIER") }, // wxCURSOR_MAGNIFIER + { true, IDC_ARROW }, // WXCURSOR_MIDDLE_BUTTON + { true, IDC_NO }, // WXCURSOR_NO_ENTRY + { false, wxT("WXCURSOR_PBRUSH") }, // wxCURSOR_PAINT_BRUSH + { false, wxT("WXCURSOR_PENCIL") }, // wxCURSOR_PENCIL + { false, wxT("WXCURSOR_PLEFT") }, // wxCURSOR_POINT_LEFT + { false, wxT("WXCURSOR_PRIGHT") }, // wxCURSOR_POINT_RIGHT + { true, IDC_HELP }, // WXCURSOR_QUESTION_ARROW + { true, IDC_ARROW }, // WXCURSOR_RIGHT_BUTTON + { true, IDC_SIZENESW }, // WXCURSOR_SIZENESW + { true, IDC_SIZENS }, // WXCURSOR_SIZENS + { true, IDC_SIZENWSE }, // WXCURSOR_SIZENWSE + { true, IDC_SIZEWE }, // WXCURSOR_SIZEWE + { true, IDC_SIZEALL }, // WXCURSOR_SIZING + { false, wxT("WXCURSOR_PBRUSH") }, // wxCURSOR_SPRAYCAN + { true, IDC_WAIT }, // WXCURSOR_WAIT + { true, IDC_WAIT }, // WXCURSOR_WATCH + { false, wxT("WXCURSOR_BLANK") }, // wxCURSOR_BLANK { true, IDC_APPSTARTING }, // wxCURSOR_ARROWWAIT // no entry for wxCURSOR_MAX @@ -422,20 +324,37 @@ wxCursor::wxCursor(int idCursor) CursorsIdArrayMismatch ); wxCHECK_RET( idCursor > 0 && (size_t)idCursor < WXSIZEOF(stdCursors), - _T("invalid cursor id in wxCursor() ctor") ); + wxT("invalid cursor id in wxCursor() ctor") ); const StdCursor& stdCursor = stdCursors[idCursor]; + bool deleteLater = !stdCursor.isStd; HCURSOR hcursor = ::LoadCursor(stdCursor.isStd ? NULL : wxGetInstance(), stdCursor.name); + // IDC_HAND may not be available on some versions of Windows. + if ( !hcursor && idCursor == wxCURSOR_HAND) + { + hcursor = ::LoadCursor(wxGetInstance(), wxT("WXCURSOR_HAND")); + deleteLater = true; + } + if ( !hcursor ) { - wxLogLastError(_T("LoadCursor")); + if ( !stdCursor.isStd ) + { + // it may be not obvious to the programmer why did loading fail, + // try to help by pointing to the by far the most probable reason + wxFAIL_MSG(wxT("Loading a cursor defined by wxWidgets failed, ") + wxT("did you include include/wx/msw/wx.rc file from ") + wxT("your resource file?")); + } + + wxLogLastError(wxT("LoadCursor")); } else { - m_refData = new wxCursorRefData(hcursor); + m_refData = new wxCursorRefData(hcursor, deleteLater); } } @@ -449,16 +368,6 @@ wxCursor::~wxCursor() // other wxCursor functions // ---------------------------------------------------------------------------- -bool wxCursor::operator==(const wxCursor& cursor) const -{ - if ( !m_refData ) - return !cursor.m_refData; - - return cursor.m_refData && - ((wxCursorRefData *)m_refData)->m_hCursor == - ((wxCursorRefData *)cursor.m_refData)->m_hCursor; -} - wxGDIImageRefData *wxCursor::CreateData() const { return new wxCursorRefData; @@ -475,7 +384,7 @@ const wxCursor *wxGetGlobalCursor() void wxSetCursor(const wxCursor& cursor) { - if ( cursor.Ok() ) + if ( cursor.IsOk() ) { ::SetCursor(GetHcursorOf(cursor)); @@ -483,5 +392,3 @@ void wxSetCursor(const wxCursor& cursor) *gs_globalCursor = cursor; } } - -