X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c67daf87774c71ae9f73af9969008af220e52a11..f317e42b73c0d76cae57086e925e26eea9c49d7e:/src/gtk/cursor.cpp diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp index 6b9fd7f642..265b98cd3b 100644 --- a/src/gtk/cursor.cpp +++ b/src/gtk/cursor.cpp @@ -1,20 +1,26 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: cursor.cpp +// Name: src/gtk/cursor.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// 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" +#ifndef WX_PRECOMP + #include "wx/app.h" + #include "wx/utils.h" + #include "wx/image.h" + #include "wx/colour.h" +#endif // WX_PRECOMP + +#include + //----------------------------------------------------------------------------- // wxCursor //----------------------------------------------------------------------------- @@ -22,21 +28,21 @@ class wxCursorRefData: public wxObjectRefData { public: - - wxCursorRefData(void); - ~wxCursorRefData(void); - + + wxCursorRefData(); + virtual ~wxCursorRefData(); + GdkCursor *m_cursor; }; -wxCursorRefData::wxCursorRefData(void) +wxCursorRefData::wxCursorRefData() { - m_cursor = (GdkCursor *) NULL; + m_cursor = (GdkCursor *) NULL; } -wxCursorRefData::~wxCursorRefData(void) +wxCursorRefData::~wxCursorRefData() { - if (m_cursor) gdk_cursor_destroy( m_cursor ); + if (m_cursor) gdk_cursor_unref( m_cursor ); } //----------------------------------------------------------------------------- @@ -45,129 +51,383 @@ wxCursorRefData::~wxCursorRefData(void) IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject) -wxCursor::wxCursor(void) +wxCursor::wxCursor() { + } wxCursor::wxCursor( int cursorId ) { - m_refData = new wxCursorRefData(); - - GdkCursorType gdk_cur = GDK_LEFT_PTR; - switch (cursorId) - { - case wxCURSOR_HAND: gdk_cur = GDK_HAND1; 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; - case wxCURSOR_WAIT: gdk_cur = GDK_WATCH; break; - case wxCURSOR_WATCH: gdk_cur = GDK_WATCH; break; - case wxCURSOR_SIZING: gdk_cur = GDK_SIZING; break; - case wxCURSOR_SPRAYCAN: gdk_cur = GDK_SPRAYCAN; break; - case wxCURSOR_IBEAM: gdk_cur = GDK_XTERM; break; - case wxCURSOR_PENCIL: gdk_cur = GDK_PENCIL; break; - case wxCURSOR_NO_ENTRY: gdk_cur = GDK_PIRATE; break; - } - - M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur ); - + m_refData = new wxCursorRefData(); + + GdkCursorType gdk_cur = GDK_LEFT_PTR; + switch (cursorId) + { + case wxCURSOR_BLANK: + { + static const gchar bits[] = { 0 }; + static /* const -- not in GTK1 */ 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); + } + return; + + 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_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; + case wxCURSOR_ARROWWAIT: + case wxCURSOR_WAIT: + case wxCURSOR_WATCH: gdk_cur = GDK_WATCH; break; + case wxCURSOR_SIZING: gdk_cur = GDK_SIZING; break; + case wxCURSOR_SPRAYCAN: gdk_cur = GDK_SPRAYCAN; break; + case wxCURSOR_IBEAM: gdk_cur = GDK_XTERM; break; + case wxCURSOR_PENCIL: gdk_cur = GDK_PENCIL; break; + case wxCURSOR_NO_ENTRY: gdk_cur = GDK_PIRATE; break; + case wxCURSOR_SIZENWSE: + case wxCURSOR_SIZENESW: gdk_cur = GDK_FLEUR; break; + case wxCURSOR_QUESTION_ARROW: gdk_cur = GDK_QUESTION_ARROW; break; + case wxCURSOR_PAINT_BRUSH: gdk_cur = GDK_SPRAYCAN; break; + case wxCURSOR_MAGNIFIER: gdk_cur = GDK_PLUS; break; + case wxCURSOR_CHAR: gdk_cur = GDK_XTERM; break; + case wxCURSOR_LEFT_BUTTON: gdk_cur = GDK_LEFTBUTTON; break; + case wxCURSOR_MIDDLE_BUTTON: gdk_cur = GDK_MIDDLEBUTTON; break; + case wxCURSOR_RIGHT_BUTTON: gdk_cur = GDK_RIGHTBUTTON; break; + case wxCURSOR_BULLSEYE: gdk_cur = GDK_TARGET; break; + + case wxCURSOR_POINT_LEFT: gdk_cur = GDK_SB_LEFT_ARROW; break; + case wxCURSOR_POINT_RIGHT: gdk_cur = GDK_SB_RIGHT_ARROW; break; /* - do that yourself - - wxCURSOR_BULLSEYE, - wxCURSOR_CHAR, - wxCURSOR_LEFT_BUTTON, - wxCURSOR_MAGNIFIER, - wxCURSOR_MIDDLE_BUTTON, - wxCURSOR_NO_ENTRY, - wxCURSOR_PAINT_BRUSH, - wxCURSOR_POINT_LEFT, - wxCURSOR_POINT_RIGHT, - wxCURSOR_QUESTION_ARROW, - wxCURSOR_RIGHT_BUTTON, - wxCURSOR_SIZENESW, - wxCURSOR_SIZENS, - wxCURSOR_SIZENWSE, - wxCURSOR_SIZEWE, - wxCURSOR_BLANK -, - wxCURSOR_CROSS_REVERSE, - wxCURSOR_DOUBLE_ARROW, - wxCURSOR_BASED_ARROW_UP, - wxCURSOR_BASED_ARROW_DOWN + case wxCURSOR_DOUBLE_ARROW: gdk_cur = GDK_DOUBLE_ARROW; break; + case wxCURSOR_CROSS_REVERSE: gdk_cur = GDK_CROSS_REVERSE; break; + case wxCURSOR_BASED_ARROW_UP: gdk_cur = GDK_BASED_ARROW_UP; break; + case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break; */ - -} -wxCursor::wxCursor( const wxCursor &cursor ) -{ - Ref( cursor ); -} + default: + wxFAIL_MSG(wxT("unsupported cursor type")); + // will use the standard one + break; + } -wxCursor::wxCursor( const wxCursor *cursor ) -{ - UnRef(); - if (cursor) Ref( *cursor ); + M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur ); } -wxCursor::~wxCursor(void) +extern GtkWidget *wxGetRootWindow(); + +wxCursor::wxCursor(const char bits[], int width, int height, + int hotSpotX, int hotSpotY, + const char maskBits[], const wxColour *fg, const 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 ); + + g_object_unref (data); + g_object_unref (mask); } -wxCursor& wxCursor::operator = ( const wxCursor& cursor ) +#if wxUSE_IMAGE + +static void GetHotSpot(const wxImage& image, int& x, int& y) { - if (*this == cursor) return (*this); - Ref( cursor ); - return *this; + if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X)) + x = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X); + else + x = 0; + + if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y)) + y = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y); + else + y = 0; + + if (x < 0 || x >= image.GetWidth()) + x = 0; + if (y < 0 || y >= image.GetHeight()) + y = 0; } -bool wxCursor::operator == ( const wxCursor& cursor ) +wxCursor::wxCursor( const wxImage & image ) { - return m_refData == cursor.m_refData; + unsigned char * rgbBits = image.GetData(); + int w = image.GetWidth() ; + int h = image.GetHeight(); + bool bHasMask = image.HasMask(); + int imagebitcount = (w*h)/8; + + if ( gdk_display_supports_cursor_color(gdk_display_get_default()) ) + { + unsigned char rMask = 0, + gMask = 0, + bMask = 0; + if (bHasMask) + { + rMask = image.GetMaskRed(); + gMask = image.GetMaskGreen(); + bMask = image.GetMaskBlue(); + } + + GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, w, h); + unsigned char *alpha = image.HasAlpha() ? image.GetAlpha() : NULL; + unsigned char *out = gdk_pixbuf_get_pixels(pixbuf); + int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w; + for ( int y = 0; y < h; y++, out += rowpad ) + { + for ( int x = 0; x < w; x++, out += 4, rgbBits += 3 ) + { + out[0] = rgbBits[0]; + out[1] = rgbBits[1]; + out[2] = rgbBits[2]; + if (bHasMask && + out[0] == rMask && out[1] == gMask && out[2] == bMask) + out[3] = 0; + else + out[3] = alpha ? *alpha : 255; + if ( alpha ) + ++alpha; + } + } + + int hotSpotX, hotSpotY; + GetHotSpot(image, hotSpotX, hotSpotY); + + m_refData = new wxCursorRefData; + M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf + ( + gdk_display_get_default(), + pixbuf, + hotSpotX, hotSpotY + ); + g_object_unref (pixbuf); + return; + } + + 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 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(), + b = image.GetMaskBlue(); + + for (i=0; isecond.value; + key = entry->first; + if ( !bHasMask || (key != keyMaskColor) ) + { + if (value > nMost) + { + nMost = value; + colMostFreq = key; + } + else if (value > nNext) + { + nNext = value; + colNextMostFreq = key; + } + } + } + + 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 fg_intensity = fg.Red() + fg.Green() + fg.Blue(); + int bg_intensity = bg.Red() + bg.Green() + bg.Blue(); + + if (bg_intensity > fg_intensity) + { + //swap fg and bg + wxColour tmp = fg; + fg = bg; + bg = tmp; + } + + int hotSpotX, hotSpotY; + GetHotSpot(image, hotSpotX, hotSpotY); + + 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 + ); + + g_object_unref (data); + g_object_unref (mask); + delete [] bits; + delete [] maskBits; } -bool wxCursor::operator != ( const wxCursor& cursor ) +#endif // wxUSE_IMAGE + +wxCursor::~wxCursor() { - return m_refData != cursor.m_refData; } -bool wxCursor::Ok(void) const +bool wxCursor::IsOk() const { - return TRUE; + return (m_refData != NULL); } -GdkCursor *wxCursor::GetCursor(void) const +GdkCursor *wxCursor::GetCursor() const { - return M_CURSORDATA->m_cursor; + return M_CURSORDATA->m_cursor; } //----------------------------------------------------------------------------- // busy cursor routines //----------------------------------------------------------------------------- -bool g_isBusy = FALSE; +/* 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; -void wxEndBusyCursor(void) +const wxCursor &wxBusyCursor::GetStoredCursor() { - g_isBusy = FALSE; + return gs_savedCursor; } -void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) ) +const wxCursor wxBusyCursor::GetBusyCursor() { - g_isBusy = TRUE; + return wxCursor(wxCURSOR_WATCH); } -bool wxIsBusy(void) +void wxEndBusyCursor() { - return g_isBusy; + if (--gs_busyCount > 0) + return; + + wxSetCursor( gs_savedCursor ); + gs_savedCursor = wxNullCursor; + + if (wxTheApp) + wxTheApp->ProcessIdle(); } -void wxSetCursor( const wxCursor& cursor ) +void wxBeginBusyCursor( const wxCursor *WXUNUSED(cursor) ) { - extern wxCursor *g_globalCursor; - if (g_globalCursor) (*g_globalCursor) = cursor; + if (gs_busyCount++ > 0) + return; + + wxASSERT_MSG( !gs_savedCursor.Ok(), + wxT("forgot to call wxEndBusyCursor, will leak memory") ); + + gs_savedCursor = g_globalCursor; - if (cursor.Ok()) {} + wxSetCursor( wxCursor(wxCURSOR_WATCH) ); + + if (wxTheApp) + wxTheApp->ProcessIdle(); + + gdk_flush(); } +bool wxIsBusy() +{ + return gs_busyCount > 0; +} +void wxSetCursor( const wxCursor& cursor ) +{ + g_globalCursor = cursor; + wxTheApp->WakeUpIdle(); +}