X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b532f8c3d2cc28e1f5e841dc2faa319172adf91..7d6a4d96961eac84d05db8bb24c64d39003f6e54:/src/gtk/cursor.cpp diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp index fe6c31ea39..152796d630 100644 --- a/src/gtk/cursor.cpp +++ b/src/gtk/cursor.cpp @@ -1,77 +1,201 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: cursor.cpp -// Purpose: +// Name: src/gtk/cursor.cpp +// Purpose: wxCursor implementation // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - -#ifdef __GNUG__ -#pragma implementation "cursor.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #include "wx/cursor.h" -#include "wx/utils.h" -#include "wx/app.h" -#include -#include - -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- +#ifndef WX_PRECOMP + #include "wx/window.h" + #include "wx/app.h" + #include "wx/image.h" + #include "wx/bitmap.h" + #include "wx/log.h" +#endif // WX_PRECOMP -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; +#include +#include "wx/gtk/private/object.h" +#include "wx/gtk/private/gtk2-compat.h" //----------------------------------------------------------------------------- -// wxCursor +// wxCursorRefData //----------------------------------------------------------------------------- -class wxCursorRefData: public wxObjectRefData +class wxCursorRefData: public wxGDIRefData { - public: - +public: wxCursorRefData(); - ~wxCursorRefData(); + virtual ~wxCursorRefData(); + + virtual bool IsOk() const { return m_cursor != NULL; } GdkCursor *m_cursor; + +private: + // There is no way to copy m_cursor so we can't implement a copy ctor + // properly. + wxDECLARE_NO_COPY_CLASS(wxCursorRefData); }; wxCursorRefData::wxCursorRefData() { - m_cursor = (GdkCursor *) NULL; + m_cursor = NULL; } wxCursorRefData::~wxCursorRefData() { - if (m_cursor) gdk_cursor_destroy( m_cursor ); + if (m_cursor) gdk_cursor_unref( m_cursor ); } + +//----------------------------------------------------------------------------- +// wxCursor //----------------------------------------------------------------------------- -#define M_CURSORDATA ((wxCursorRefData *)m_refData) +#define M_CURSORDATA static_cast(m_refData) + +IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxGDIObject) + +// used in the following two ctors +extern GtkWidget *wxGetRootWindow(); -IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject) wxCursor::wxCursor() { +} + +#if wxUSE_IMAGE +wxCursor::wxCursor(const wxString& cursor_file, + wxBitmapType type, + int hotSpotX, int hotSpotY) +{ + wxImage img; + if (!img.LoadFile(cursor_file, type)) + return; + + // eventually set the hotspot: + if (!img.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X)) + img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, hotSpotX); + if (!img.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y)) + img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, hotSpotY); + + InitFromImage(img); +} + +wxCursor::wxCursor(const wxImage& img) +{ + InitFromImage(img); +} +#endif + +wxCursor::wxCursor(const char bits[], int width, int height, + int hotSpotX, int hotSpotY, + const char maskBits[], const wxColour *fg, const wxColour *bg) +{ + m_refData = new wxCursorRefData; + if (hotSpotX < 0 || hotSpotX >= width) + hotSpotX = 0; + if (hotSpotY < 0 || hotSpotY >= height) + hotSpotY = 0; +#ifdef __WXGTK3__ + wxBitmap bitmap(bits, width, height); + if (maskBits) + bitmap.SetMask(new wxMask(wxBitmap(maskBits, width, height))); + GdkPixbuf* pixbuf = bitmap.GetPixbuf(); + if (fg || bg) + { + const int stride = gdk_pixbuf_get_rowstride(pixbuf); + const int n_channels = gdk_pixbuf_get_n_channels(pixbuf); + guchar* data = gdk_pixbuf_get_pixels(pixbuf); + for (int j = 0; j < height; j++, data += stride) + { + guchar* p = data; + for (int i = 0; i < width; i++, p += n_channels) + { + if (p[0]) + { + if (fg) + { + p[0] = fg->Red(); + p[1] = fg->Green(); + p[2] = fg->Blue(); + } + } + else + { + if (bg) + { + p[0] = bg->Red(); + p[1] = bg->Green(); + p[2] = bg->Blue(); + } + } + } + } + } + M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY); +#else + if (!maskBits) + maskBits = bits; + if (!fg) + fg = wxBLACK; + if (!bg) + bg = wxWHITE; + + GdkBitmap* data = gdk_bitmap_create_from_data( + gtk_widget_get_window(wxGetRootWindow()), const_cast(bits), width, height); + GdkBitmap* mask = gdk_bitmap_create_from_data( + gtk_widget_get_window(wxGetRootWindow()), const_cast(maskBits), width, height); + + M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap( + data, mask, fg->GetColor(), bg->GetColor(), + hotSpotX, hotSpotY ); + + g_object_unref (data); + g_object_unref (mask); +#endif +} +wxCursor::~wxCursor() +{ } -wxCursor::wxCursor( int cursorId ) +void wxCursor::InitFromStock( wxStockCursor cursorId ) { m_refData = new wxCursorRefData(); GdkCursorType gdk_cur = GDK_LEFT_PTR; switch (cursorId) { +#ifdef __WXGTK3__ + case wxCURSOR_BLANK: gdk_cur = GDK_BLANK_CURSOR; break; +#else + case wxCURSOR_BLANK: + { + const char bits[] = { 0 }; + const GdkColor color = { 0, 0, 0, 0 }; + + GdkPixmap *pixmap = gdk_bitmap_create_from_data(NULL, bits, 1, 1); + M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(pixmap, + pixmap, + &color, + &color, + 0, 0); + g_object_unref(pixmap); + } + return; +#endif case wxCURSOR_ARROW: // fall through to default case wxCURSOR_DEFAULT: gdk_cur = GDK_LEFT_PTR; break; case wxCURSOR_RIGHT_ARROW: gdk_cur = GDK_RIGHT_PTR; break; - case wxCURSOR_HAND: gdk_cur = GDK_HAND1; break; + case wxCURSOR_HAND: gdk_cur = GDK_HAND2; break; case wxCURSOR_CROSS: gdk_cur = GDK_CROSSHAIR; break; case wxCURSOR_SIZEWE: gdk_cur = GDK_SB_H_DOUBLE_ARROW; break; case wxCURSOR_SIZENS: gdk_cur = GDK_SB_V_DOUBLE_ARROW; break; @@ -102,6 +226,7 @@ wxCursor::wxCursor( int cursorId ) case wxCURSOR_BASED_ARROW_UP: gdk_cur = GDK_BASED_ARROW_UP; break; case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break; */ + default: wxFAIL_MSG(wxT("unsupported cursor type")); // will use the standard one @@ -111,226 +236,78 @@ wxCursor::wxCursor( int cursorId ) M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur ); } -extern GtkWidget *wxGetRootWindow(); - -wxCursor::wxCursor(const char bits[], int width, int height, - int hotSpotX, int hotSpotY, - const char maskBits[], wxColour *fg, wxColour *bg) -{ - if (!maskBits) - maskBits = bits; - if (!fg) - fg = wxBLACK; - if (!bg) - bg = wxWHITE; - if (hotSpotX < 0 || hotSpotX >= width) - hotSpotX = 0; - if (hotSpotY < 0 || hotSpotY >= height) - hotSpotY = 0; - - GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height ); - GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits, width, height); - - m_refData = new wxCursorRefData; - M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap( - data, mask, fg->GetColor(), bg->GetColor(), - hotSpotX, hotSpotY ); - - gdk_bitmap_unref( data ); - gdk_bitmap_unref( mask ); -} - - -wxCursor::wxCursor( const wxCursor &cursor ) - : wxObject() -{ - Ref( cursor ); -} - #if wxUSE_IMAGE -wxCursor::wxCursor( const wxImage & image ) +void wxCursor::InitFromImage( const wxImage & image ) { - unsigned char * rgbBits = image.GetData(); - int w = image.GetWidth() ; - int h = image.GetHeight(); - bool bHasMask = image.HasMask(); - int imagebitcount = (w*h)/8; - - unsigned char * bits = new unsigned char [imagebitcount]; - unsigned char * maskBits = new unsigned char [imagebitcount]; - - int i, j, i8; unsigned char c, cMask; - for (i=0; i w) hotSpotX = 0; + if (hotSpotY < 0 || hotSpotY > h) hotSpotY = 0; + GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(image.GetData(), GDK_COLORSPACE_RGB, false, 8, w, h, w * 3, NULL, NULL); + if (alpha || hasMask) { - bits[i] = 0; - i8 = i * 8; - - cMask = 1; - for (j=0; j<8; j++) + guchar r = 0, g = 0, b = 0; + if (hasMask) { - // 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; - } - } - - unsigned long keyMaskColor; - if (bHasMask) - { - unsigned char - r = image.GetMaskRed(), - g = image.GetMaskGreen(), + r = image.GetMaskRed(); + g = image.GetMaskGreen(); b = image.GetMaskBlue(); - - for (i=0; isecond.value; - key = entry->first; - if ( !bHasMask || (key != keyMaskColor) ) + GdkPixbuf* pixbuf0 = pixbuf; + pixbuf = gdk_pixbuf_add_alpha(pixbuf, hasMask, r, g, b); + g_object_unref(pixbuf0); + if (alpha) { - if (value > nMost) - { - nMost = value; - colMostFreq = key; - } - else if (value > nNext) - { - nNext = value; - colNextMostFreq = key; - } + guchar* d = gdk_pixbuf_get_pixels(pixbuf); + const int stride = gdk_pixbuf_get_rowstride(pixbuf); + for (int j = 0; j < h; j++, d += stride) + for (int i = 0; i < w; i++, alpha++) + if (d[4 * i + 3]) + d[4 * i + 3] = *alpha; } } - - wxColour fg = wxColour ( (unsigned char)(colMostFreq >> 16), - (unsigned char)(colMostFreq >> 8), - (unsigned char)(colMostFreq) ); - - wxColour bg = wxColour ( (unsigned char)(colNextMostFreq >> 16), - (unsigned char)(colNextMostFreq >> 8), - (unsigned char)(colNextMostFreq) ); - - int hotSpotX; - int hotSpotY; - - if (image.HasOption(wxCUR_HOTSPOT_X)) - hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X); - else - hotSpotX = 0; - - if (image.HasOption(wxCUR_HOTSPOT_Y)) - hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y); - else - hotSpotY = 0; - - if (hotSpotX < 0 || hotSpotX >= w) - hotSpotX = 0; - if (hotSpotY < 0 || hotSpotY >= h) - hotSpotY = 0; - - GdkBitmap *data = gdk_bitmap_create_from_data(wxGetRootWindow()->window, - (gchar *) bits, w, h); - GdkBitmap *mask = gdk_bitmap_create_from_data(wxGetRootWindow()->window, - (gchar *) maskBits, w, h); - m_refData = new wxCursorRefData; - M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap - ( - data, - mask, - fg.GetColor(), bg.GetColor(), - hotSpotX, hotSpotY - ); - - gdk_bitmap_unref( data ); - gdk_bitmap_unref( mask ); - delete [] bits; - delete [] maskBits; + M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY); + g_object_unref(pixbuf); } #endif // wxUSE_IMAGE -wxCursor::~wxCursor() -{ -} - -wxCursor& wxCursor::operator = ( const wxCursor& cursor ) -{ - if (*this == cursor) - return (*this); - - Ref( cursor ); - - return *this; -} - -bool wxCursor::operator == ( const wxCursor& cursor ) const -{ - return m_refData == cursor.m_refData; -} - -bool wxCursor::operator != ( const wxCursor& cursor ) const +GdkCursor *wxCursor::GetCursor() const { - return m_refData != cursor.m_refData; + return M_CURSORDATA->m_cursor; } -bool wxCursor::Ok() const +wxGDIRefData *wxCursor::CreateGDIRefData() const { - return (m_refData != NULL); + return new wxCursorRefData; } -GdkCursor *wxCursor::GetCursor() const +wxGDIRefData * +wxCursor::CloneGDIRefData(const wxGDIRefData * WXUNUSED(data)) const { - return M_CURSORDATA->m_cursor; + // TODO: We can't clone GDK cursors at the moment. To do this we'd need + // to remember the original data from which the cursor was created + // (i.e. standard cursor type or the bitmap) or use + // gdk_cursor_get_cursor_type() (which is in 2.22+ only) and + // gdk_cursor_get_image(). + wxFAIL_MSG( wxS("Cloning cursors is not implemented in wxGTK.") ); + + return new wxCursorRefData; } //----------------------------------------------------------------------------- // busy cursor routines //----------------------------------------------------------------------------- -extern wxCursor g_globalCursor; +/* Current cursor, in order to hang on to + * cursor handle when setting the cursor globally */ +wxCursor g_globalCursor; static wxCursor gs_savedCursor; static int gs_busyCount = 0; @@ -345,34 +322,42 @@ const wxCursor wxBusyCursor::GetBusyCursor() return wxCursor(wxCURSOR_WATCH); } +static void UpdateCursors(GdkDisplay** display) +{ + wxWindowList::const_iterator i = wxTopLevelWindows.begin(); + for (size_t n = wxTopLevelWindows.size(); n--; ++i) + { + wxWindow* win = *i; + win->GTKUpdateCursor(); + if (display && *display == NULL && win->m_widget) + *display = gtk_widget_get_display(win->m_widget); + } +} + void wxEndBusyCursor() { if (--gs_busyCount > 0) return; - wxSetCursor( gs_savedCursor ); + g_globalCursor = gs_savedCursor; gs_savedCursor = wxNullCursor; - - if (wxTheApp) - wxTheApp->ProcessIdle(); + UpdateCursors(NULL); } -void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) ) +void wxBeginBusyCursor(const wxCursor* cursor) { if (gs_busyCount++ > 0) return; - wxASSERT_MSG( !gs_savedCursor.Ok(), + wxASSERT_MSG( !gs_savedCursor.IsOk(), wxT("forgot to call wxEndBusyCursor, will leak memory") ); gs_savedCursor = g_globalCursor; - - wxSetCursor( wxCursor(wxCURSOR_WATCH) ); - - if (wxTheApp) - wxTheApp->ProcessIdle(); - - gdk_flush(); + g_globalCursor = *cursor; + GdkDisplay* display = NULL; + UpdateCursors(&display); + if (display) + gdk_display_flush(display); } bool wxIsBusy() @@ -382,8 +367,6 @@ bool wxIsBusy() void wxSetCursor( const wxCursor& cursor ) { - if (g_isIdle) - wxapp_install_idle_handler(); - g_globalCursor = cursor; + UpdateCursors(NULL); }