// Author: Julian Smart
// Modified by:
// Created: 01/02/97
-// RCS-ID: $Id$
// Copyright: (c) 1997-2003 Julian Smart and Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "cursor.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#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__
{
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
// ============================================================================
{
if ( m_hCursor )
{
+#ifndef __WXWINCE__
if ( m_destroyCursor )
::DestroyCursor((HCURSOR)m_hCursor);
+#endif
m_hCursor = 0;
}
{
}
+#if wxUSE_IMAGE
wxCursor::wxCursor(const wxImage& image)
{
// image has to be of the standard cursor size, otherwise we won't be able
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 i, j, i8;
- unsigned char c, cMask;
+ 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();
- const unsigned char * const rgbBits = image32.GetData();
+ wxASSERT_MSG( hotSpotX >= 0 && hotSpotX < image_w &&
+ hotSpotY >= 0 && hotSpotY < image_h,
+ wxT("invalid cursor hot spot coordinates") );
- // first create the XOR mask
- for ( i = 0; i < imagebitcount; i++ )
- {
- 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;
- }
- }
+ wxImage imageSized(image); // final image of correct size
- // now the AND one
- if ( image32.HasMask() )
+ // if image is too small then place it in the center, resize it if too big
+ if ((w > image_w) && (h > image_h))
{
- unsigned char r = image32.GetMaskRed(),
- g = image32.GetMaskGreen(),
- b = image32.GetMaskBlue();
+ wxPoint offset((w - image_w)/2, (h - image_h)/2);
+ hotSpotX = hotSpotX + offset.x;
+ hotSpotY = hotSpotY + offset.y;
- 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"));
- }
- else
- {
- m_refData = new wxCursorRefData(hcursor, true /* delete it */);
+ wxLogWarning(_("Failed to create cursor."));
+ return;
}
-}
-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)
{
switch ( kind )
{
case wxBITMAP_TYPE_CUR_RESOURCE:
- hcursor = ::LoadCursor(wxGetInstance(), filename);
+ hcursor = ::LoadCursor(wxGetInstance(), filename.t_str());
break;
+#ifndef __WXWINCE__
+ case wxBITMAP_TYPE_ANI:
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;
}
if ( hcursor )
{
m_refData = new wxCursorRefData(hcursor, true /* delete it later */);
+ }
+}
+
+namespace
+{
+
+void ReverseBitmap(HBITMAP bitmap, int width, int height)
+{
+ MemoryHDC hdc;
+ SelectInHDC selBitmap(hdc, bitmap);
+ ::StretchBlt(hdc, width - 1, 0, -width, height,
+ hdc, 0, 0, width, height, SRCCOPY);
+}
+
+HCURSOR CreateReverseCursor(HCURSOR cursor)
+{
+ ICONINFO info;
+ if ( !::GetIconInfo(cursor, &info) )
+ return NULL;
+
+ HCURSOR cursorRev = NULL;
+
+ BITMAP bmp;
+ if ( ::GetObject(info.hbmMask, sizeof(bmp), &bmp) )
+ {
+ ReverseBitmap(info.hbmMask, bmp.bmWidth, bmp.bmHeight);
+ if ( info.hbmColor )
+ ReverseBitmap(info.hbmColor, bmp.bmWidth, bmp.bmHeight);
+ info.xHotspot = (DWORD)bmp.bmWidth - 1 - info.xHotspot;
-#if WXWIN_COMPATIBILITY_2
- ((wxCursorRefData *)m_refData)->SetOk();
-#endif // WXWIN_COMPATIBILITY_2
+ cursorRev = ::CreateIconIndirect(&info);
}
+
+ ::DeleteObject(info.hbmMask);
+ if ( info.hbmColor )
+ ::DeleteObject(info.hbmColor);
+
+ return cursorRev;
}
+} // anonymous namespace
+
// 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?
{
{ 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
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 && idCursor == wxCURSOR_RIGHT_ARROW)
+ {
+ hcursor = ::LoadCursor(NULL, IDC_ARROW);
+ if ( hcursor )
+ {
+ hcursor = CreateReverseCursor(hcursor);
+ 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);
}
}
// 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;
void wxSetCursor(const wxCursor& cursor)
{
- if ( cursor.Ok() )
+ if ( cursor.IsOk() )
{
::SetCursor(GetHcursorOf(cursor));
*gs_globalCursor = cursor;
}
}
-
-
projects / wxWidgets.git / blobdiff