/////////////////////////////////////////////////////////////////////////////
-// Name: cursor.cpp
+// Name: src/motif/cursor.cpp
// Purpose: wxCursor class
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// 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/icon.h"
+#include "wx/app.h"
+#include "wx/utils.h"
+#include "wx/list.h"
+#include "wx/window.h"
+#if wxUSE_IMAGE
+#include "wx/image.h"
+#endif
-#if !USE_SHARED_LIBRARIES
-IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxBitmap)
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/Xm.h>
+#include <X11/cursorfont.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
#endif
-wxCursorRefData::wxCursorRefData()
+#include "wx/motif/private.h"
+
+// Cursor for one display, so we can choose the correct one for
+// the current display.
+class wxXCursor
{
- m_width = 32; m_height = 32;
+public:
+ WXDisplay* m_display;
+ WXCursor m_cursor;
+};
-/* TODO
- m_hCursor = 0 ;
-*/
-}
+WX_DECLARE_LIST(wxXCursor, wxXCursorList);
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxXCursorList)
-wxCursorRefData::~wxCursorRefData()
+class WXDLLEXPORT wxCursorRefData: public wxObjectRefData
+{
+ friend class WXDLLEXPORT wxCursor;
+public:
+ wxCursorRefData();
+ ~wxCursorRefData();
+
+ wxXCursorList m_cursors; // wxXCursor objects, one per display
+ wxStockCursor m_cursorId; // wxWidgets standard cursor id
+};
+
+#define M_CURSORDATA ((wxCursorRefData *)m_refData)
+#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
+
+IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)
+
+wxCursorRefData::wxCursorRefData()
{
- // TODO: destroy cursor
+ m_cursorId = wxCURSOR_NONE;
}
-// Cursors
-wxCursor::wxCursor()
+wxCursorRefData::~wxCursorRefData()
{
+ wxXCursorList::compatibility_iterator node = m_cursors.GetFirst();
+ while (node)
+ {
+ wxXCursor* c = node->GetData();
+ XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
+ delete c;
+ node = node->GetNext();
+ }
}
-wxCursor::wxCursor(const char WXUNUSED(bits)[], int WXUNUSED(width), int WXUNUSED(height),
- int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY), const char WXUNUSED(maskBits)[])
+wxCursor::wxCursor()
{
}
-wxCursor::wxCursor(const wxString& cursor_file, long flags, int hotSpotX, int hotSpotY)
+#if wxUSE_IMAGE
+wxCursor::wxCursor(const wxImage & image)
{
- m_refData = new wxIconRefData;
+ unsigned char * rgbBits = image.GetData();
+ int w = image.GetWidth() ;
+ int h = image.GetHeight();
+ bool bHasMask = image.HasMask();
+ int imagebitcount = (w*h)/8;
- // TODO: create cursor from a file
-}
+ unsigned char * bits = new unsigned char [imagebitcount];
+ unsigned char * maskBits = new unsigned char [imagebitcount];
-// Cursors by stock number
-wxCursor::wxCursor(int cursor_type)
-{
- m_refData = new wxIconRefData;
-
-/* TODO
- switch (cursor_type)
- {
- case wxCURSOR_WAIT:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_WAIT);
- break;
- case wxCURSOR_IBEAM:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_IBEAM);
- break;
- case wxCURSOR_CROSS:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_CROSS);
- break;
- case wxCURSOR_SIZENWSE:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_SIZENWSE);
- break;
- case wxCURSOR_SIZENESW:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_SIZENESW);
- break;
- case wxCURSOR_SIZEWE:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_SIZEWE);
- break;
- case wxCURSOR_SIZENS:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_SIZENS);
- break;
- case wxCURSOR_CHAR:
- {
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_ARROW);
- break;
- }
- case wxCURSOR_HAND:
+ int i, j, i8;
+ unsigned char c, cMask;
+ for (i=0; i<imagebitcount; i++)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_HAND");
- break;
+ bits[i] = 0xff;
+ i8 = i * 8;
+
+ cMask = 0xfe; // 11111110
+ for (j=0; j<8; j++)
+ {
+ // possible overflow if we do the summation first ?
+ c = (unsigned char)(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 = (unsigned char)((cMask << 1) | 1);
+ }
}
- case wxCURSOR_BULLSEYE:
+
+ if (bHasMask)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_BULLSEYE");
- break;
+ unsigned char
+ r = image.GetMaskRed(),
+ g = image.GetMaskGreen(),
+ b = image.GetMaskBlue();
+
+ for (i=0; i<imagebitcount; i++)
+ {
+ maskBits[i] = 0x0;
+ i8 = i * 8;
+
+ cMask = 0x1;
+ 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 = (unsigned char)(cMask << 1);
+ }
+ }
}
- case wxCURSOR_PENCIL:
+ else // no mask
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_PENCIL");
- break;
+ for (i=0; i<imagebitcount; i++)
+ maskBits[i] = 0xFF;
}
- case wxCURSOR_MAGNIFIER:
+
+ int hotSpotX;
+ int hotSpotY;
+
+ if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
+ hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+ else
+ hotSpotX = 0;
+
+ if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
+ hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
+ else
+ hotSpotY = 0;
+
+ if (hotSpotX < 0 || hotSpotX >= w)
+ hotSpotX = 0;
+ if (hotSpotY < 0 || hotSpotY >= h)
+ hotSpotY = 0;
+
+ Create( (const char*)bits, w, h, hotSpotX, hotSpotY,
+ (const char*)maskBits );
+
+ delete[] bits;
+ delete[] maskBits;
+}
+#endif
+
+void wxCursor::Create(const char bits[], int width, int height,
+ int hotSpotX, int hotSpotY, const char maskBits[])
+{
+ if( !m_refData )
+ m_refData = new wxCursorRefData;
+
+ Display *dpy = (Display*) wxGetDisplay();
+ int screen_num = DefaultScreen (dpy);
+
+ Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
+ RootWindow (dpy, screen_num),
+ (char*) bits, width, height,
+ 1 , 0 , 1);
+
+ Pixmap mask_pixmap = None;
+ if (maskBits != NULL)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_MAGNIFIER");
- break;
+ mask_pixmap = XCreatePixmapFromBitmapData (dpy,
+ RootWindow (dpy, screen_num),
+ (char*) maskBits, width, height,
+ 1 , 0 , 1);
}
- case wxCURSOR_NO_ENTRY:
+
+ Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotSpotX, hotSpotY );
+
+ XFreePixmap( dpy, pixmap );
+ if (mask_pixmap != None)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_NO_ENTRY");
- break;
+ XFreePixmap( dpy, mask_pixmap );
}
- case wxCURSOR_LEFT_BUTTON:
+}
+
+void wxCursor::Create(WXPixmap pixmap, WXPixmap mask_pixmap,
+ int hotSpotX, int hotSpotY)
+{
+ if( !m_refData )
+ m_refData = new wxCursorRefData;
+
+ Display *dpy = (Display*) wxGetDisplay();
+ int screen_num = DefaultScreen (dpy);
+
+ XColor foreground_color;
+ XColor background_color;
+ foreground_color.pixel = BlackPixel(dpy, screen_num);
+ background_color.pixel = WhitePixel(dpy, screen_num);
+ Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
+ XQueryColor(dpy, cmap, &foreground_color);
+ XQueryColor(dpy, cmap, &background_color);
+
+ Cursor cursor = XCreatePixmapCursor (dpy,
+ (Pixmap)pixmap,
+ (Pixmap)mask_pixmap,
+ &foreground_color,
+ &background_color,
+ hotSpotX ,
+ hotSpotY);
+
+ if (cursor)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_ARROW);
- break;
+ wxXCursor *c = new wxXCursor;
+
+ c->m_cursor = (WXCursor) cursor;
+ c->m_display = (WXDisplay*) dpy;
+ M_CURSORDATA->m_cursors.Append(c);
}
- case wxCURSOR_RIGHT_BUTTON:
+}
+
+wxCursor::wxCursor(const char bits[], int width, int height,
+ int hotSpotX, int hotSpotY, const char maskBits[])
+{
+ Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
+}
+
+wxCursor::wxCursor(const wxString& name, long flags, int hotSpotX, int hotSpotY)
+{
+ // Must be an XBM file
+ if (flags != wxBITMAP_TYPE_XBM)
+ return;
+
+ m_refData = new wxCursorRefData;
+
+ int hotX = -1, hotY = -1;
+ unsigned int w, h;
+ Pixmap pixmap = None, mask_pixmap = None;
+
+ Display *dpy = (Display*) wxGetDisplay();
+ int screen_num = DefaultScreen (dpy);
+
+ int value = XReadBitmapFile (dpy, RootWindow (dpy, screen_num),
+ wxConstCast(name.c_str(), char),
+ &w, &h, &pixmap, &hotX, &hotY);
+
+ if (value == BitmapSuccess)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_ARROW);
- break;
+ // TODO: how do we determine whether hotX, hotY were read correctly?
+ if (hotX < 0 || hotY < 0)
+ {
+ hotX = hotSpotX;
+ hotY = hotSpotY;
+ }
+ if (hotX < 0 || hotY < 0)
+ {
+ hotX = 0;
+ hotY = 0;
+ }
+
+ Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotX, hotY );
+
+ XFreePixmap( dpy, pixmap );
}
- case wxCURSOR_MIDDLE_BUTTON:
+}
+
+// Cursors by stock number
+wxCursor::wxCursor(wxStockCursor id)
+{
+ m_refData = new wxCursorRefData;
+ M_CURSORDATA->m_cursorId = id;
+}
+
+wxCursor::~wxCursor()
+{
+}
+
+bool wxCursor::Ok() const
+{
+ return m_refData != NULL;
+}
+
+// Motif-specific: create/get a cursor for the current display
+WXCursor wxCursor::GetXCursor(WXDisplay* display) const
+{
+ if (!M_CURSORDATA)
+ return (WXCursor) 0;
+ wxXCursorList::compatibility_iterator node = M_CURSORDATA->m_cursors.GetFirst();
+ while (node)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_ARROW);
- break;
+ wxXCursor* c = node->GetData();
+ if (c->m_display == display)
+ return c->m_cursor;
+ node = node->GetNext();
}
- case wxCURSOR_SIZING:
+
+ // No cursor for this display, so let's see if we're an id-type cursor.
+
+ if (M_CURSORDATA->m_cursorId != wxCURSOR_NONE)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_SIZING");
- break;
+ WXCursor cursor = MakeCursor(display, M_CURSORDATA->m_cursorId);
+ if (cursor)
+ {
+ wxXCursor* c = new wxXCursor;
+ c->m_cursor = cursor;
+ c->m_display = display;
+ M_CURSORDATA->m_cursors.Append(c);
+ return cursor;
+ }
+ else
+ return (WXCursor) 0;
}
- case wxCURSOR_WATCH:
+
+ // Not an id-type cursor, so we don't know how to create it.
+ return (WXCursor) 0;
+}
+
+// Make a cursor from standard id
+WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id) const
+{
+ Display* dpy = (Display*) display;
+ Cursor cursor = (Cursor) 0;
+ int x_cur = -1;
+
+ switch (id)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_WATCH");
- break;
- }
- case wxCURSOR_SPRAYCAN:
+ case wxCURSOR_CHAR: return (WXCursor)cursor;
+
+ case wxCURSOR_WAIT: x_cur = XC_watch; break;
+ case wxCURSOR_CROSS: x_cur = XC_crosshair; break;
+ case wxCURSOR_HAND: x_cur = XC_hand1; break;
+ case wxCURSOR_BULLSEYE: x_cur = XC_target; break;
+ case wxCURSOR_PENCIL: x_cur = XC_pencil; break;
+ case wxCURSOR_MAGNIFIER: x_cur = XC_sizing; break;
+ case wxCURSOR_IBEAM: x_cur = XC_xterm; break;
+ case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break;
+ case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break;
+ case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break;
+ case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break;
+ case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break;
+ case wxCURSOR_SIZING: x_cur = XC_sizing; break;
+ case wxCURSOR_WATCH: x_cur = XC_watch; break;
+ case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break;
+ case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break;
+ case wxCURSOR_SIZENWSE:
+ case wxCURSOR_SIZENESW: x_cur = XC_crosshair; break;
+ case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break;
+ case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break;
+ case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break;
+ case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break;
+ // (JD Huggins) added more stock cursors for X
+ // X-only cursors BEGIN
+ case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break;
+ case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break;
+ case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break;
+ case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
+ case wxCURSOR_BLANK:
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_ROLLER");
- break;
+ GC gc;
+ XGCValues gcv;
+ Pixmap empty_pixmap;
+ XColor blank_color;
+
+ empty_pixmap =
+ XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
+ 16, 16, 1);
+ gcv.function = GXxor;
+ gc = XCreateGC (dpy,
+ empty_pixmap,
+ GCFunction,
+ &gcv);
+ XCopyArea (dpy,
+ empty_pixmap,
+ empty_pixmap,
+ gc,
+ 0, 0,
+ 16, 16,
+ 0, 0);
+ XFreeGC (dpy, gc);
+ cursor = XCreatePixmapCursor (dpy,
+ empty_pixmap,
+ empty_pixmap,
+ &blank_color,
+ &blank_color,
+ 8, 8);
+
+ break;
}
- case wxCURSOR_PAINT_BRUSH:
- {
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_PBRUSH");
- break;
+ case wxCURSOR_ARROW:
+ default: x_cur = XC_top_left_arrow; break;
}
- case wxCURSOR_POINT_LEFT:
+
+ if( x_cur == -1 )
+ return (WXCursor)cursor;
+
+ cursor = XCreateFontCursor (dpy, x_cur);
+ return (WXCursor) cursor;
+}
+
+// Global cursor setting
+void wxSetCursor(const wxCursor& WXUNUSED(cursor))
+{
+ // Nothing to do for Motif (no global cursor)
+}
+
+
+// ----------------------------------------------------------------------------
+// busy cursor stuff
+// ----------------------------------------------------------------------------
+
+static int wxBusyCursorCount = 0;
+
+// Helper function
+static void
+wxXSetBusyCursor (wxWindow * win, wxCursor * cursor)
+{
+ Display *display = (Display*) win->GetXDisplay();
+
+ Window xwin = (Window) win->GetXWindow();
+ if (!xwin)
+ return;
+
+ XSetWindowAttributes attrs;
+
+ if (cursor)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_PLEFT");
- break;
+ attrs.cursor = (Cursor) cursor->GetXCursor(display);
}
- case wxCURSOR_POINT_RIGHT:
+ else
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_PRIGHT");
- break;
+ // Restore old cursor
+ if (win->GetCursor().Ok())
+ attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
+ else
+ attrs.cursor = None;
}
- case wxCURSOR_QUESTION_ARROW:
+ if (xwin)
+ XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
+
+ XFlush (display);
+
+ for(wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst (); node;
+ node = node->GetNext())
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_QARROW");
- break;
+ wxWindow *child = node->GetData ();
+ wxXSetBusyCursor (child, cursor);
}
- case wxCURSOR_BLANK:
+}
+
+// Set the cursor to the busy cursor for all windows
+void wxBeginBusyCursor(wxCursor *cursor)
+{
+ wxBusyCursorCount++;
+ if (wxBusyCursorCount == 1)
{
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(wxGetInstance(), "wxCURSOR_BLANK");
- break;
+ for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
+ node = node->GetNext())
+ {
+ wxWindow *win = node->GetData ();
+ wxXSetBusyCursor (win, cursor);
+ }
}
- default:
- case wxCURSOR_ARROW:
- M_CURSORDATA->m_hCursor = (WXHCURSOR) LoadCursor(NULL, IDC_ARROW);
- break;
- }
-*/
-
}
-wxCursor::~wxCursor()
+// Restore cursor to normal
+void wxEndBusyCursor()
{
+ if (wxBusyCursorCount == 0)
+ return;
+
+ wxBusyCursorCount--;
+ if (wxBusyCursorCount == 0)
+ {
+ for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
+ node = node->GetNext())
+ {
+ wxWindow *win = node->GetData ();
+ wxXSetBusyCursor (win, NULL);
+ }
+ }
}
-// Global cursor setting
-void wxSetCursor(const wxCursor& cursor)
+// true if we're between the above two calls
+bool wxIsBusy()
{
- // TODO (optional on platforms with no global cursor)
+ return (wxBusyCursorCount > 0);
}
-
-
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