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- //
- // "$Id: fl_cursor.cxx,v 1.6 1999/01/07 19:17:37 mike Exp $"
- //
- // Mouse cursor support for the Fast Light Tool Kit (FLTK).
- //
- // Copyright 1998-1999 by Bill Spitzak and others.
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Library General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- // Library General Public License for more details.
- //
- // You should have received a copy of the GNU Library General Public
- // License along with this library; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- // USA.
- //
- // Please report all bugs and problems to "fltk-bugs@easysw.com".
- //
-
- // Change the current cursor.
- // Under X the cursor is attached to the X window. I tried to hide
- // this and pretend that changing the cursor is a drawing function.
- // This avoids a field in the Fl_Window, and I suspect is more
- // portable to other systems.
-
- #include <FL/Fl.H>
- #include <FL/Fl_Window.H>
- #include <FL/x.H>
- #ifndef WIN32
- #include <X11/cursorfont.h>
- #endif
- #include <FL/fl_draw.H>
-
- void fl_cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg) {
- if (Fl::first_window()) Fl::first_window()->cursor(c,fg,bg);
- }
-
- #ifdef WIN32
-
- void Fl_Window::cursor(Fl_Cursor c, Fl_Color, Fl_Color) {
- if (!shown()) return;
- if (c > FL_CURSOR_NESW) {
- i->cursor = 0;
- } else if (c == FL_CURSOR_DEFAULT) {
- i->cursor = fl_default_cursor;
- } else {
- LPSTR n;
- switch (c) {
- case FL_CURSOR_ARROW: n = IDC_ARROW; break;
- case FL_CURSOR_CROSS: n = IDC_CROSS; break;
- case FL_CURSOR_WAIT: n = IDC_WAIT; break;
- case FL_CURSOR_INSERT: n = IDC_IBEAM; break;
- case FL_CURSOR_HELP: n = IDC_HELP; break;
- case FL_CURSOR_HAND: n = IDC_UPARROW; break;
- case FL_CURSOR_MOVE: n = IDC_SIZEALL; break;
- case FL_CURSOR_N:
- case FL_CURSOR_S:
- case FL_CURSOR_NS: n = IDC_SIZENS; break;
- case FL_CURSOR_NE:
- case FL_CURSOR_SW:
- case FL_CURSOR_NESW: n = IDC_SIZENESW; break;
- case FL_CURSOR_E:
- case FL_CURSOR_W:
- case FL_CURSOR_WE: n = IDC_SIZEWE; break;
- case FL_CURSOR_SE:
- case FL_CURSOR_NW:
- case FL_CURSOR_NWSE: n = IDC_SIZENWSE; break;
- default: n = IDC_NO; break;
- }
- i->cursor = LoadCursor(NULL, n);
- }
- SetCursor(i->cursor);
- }
-
- #else
-
- // I like the MSWindows resize cursors, so I duplicate them here:
-
- #define CURSORSIZE 16
- #define HOTXY 7
- struct TableEntry {
- uchar bits[CURSORSIZE*CURSORSIZE/8];
- uchar mask[CURSORSIZE*CURSORSIZE/8];
- Cursor cursor;
- } table[] = {
- {{ // FL_CURSOR_NS
- 0x00, 0x00, 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0x80, 0x01, 0x80, 0x01,
- 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
- 0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01, 0x00, 0x00},
- {
- 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0xf0, 0x0f, 0xf0, 0x0f, 0xc0, 0x03,
- 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xf0, 0x0f,
- 0xf0, 0x0f, 0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01}},
- {{ // FL_CURSOR_EW
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x10,
- 0x0c, 0x30, 0xfe, 0x7f, 0xfe, 0x7f, 0x0c, 0x30, 0x08, 0x10, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x1c, 0x38,
- 0xfe, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0x1c, 0x38, 0x18, 0x18,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
- {{ // FL_CURSOR_NWSE
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x38, 0x00, 0x78, 0x00,
- 0xe8, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x17, 0x00, 0x1e, 0x00, 0x1c,
- 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
- {
- 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0xfc, 0x00, 0x7c, 0x00, 0xfc, 0x00,
- 0xfc, 0x01, 0xec, 0x03, 0xc0, 0x37, 0x80, 0x3f, 0x00, 0x3f, 0x00, 0x3e,
- 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00}},
- {{ // FL_CURSOR_NESW
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x1c, 0x00, 0x1e,
- 0x00, 0x17, 0x80, 0x03, 0xc0, 0x01, 0xe8, 0x00, 0x78, 0x00, 0x38, 0x00,
- 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
- {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3e, 0x00, 0x3f,
- 0x80, 0x3f, 0xc0, 0x37, 0xec, 0x03, 0xfc, 0x01, 0xfc, 0x00, 0x7c, 0x00,
- 0xfc, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00}},
- {{0}, {0}} // FL_CURSOR_NONE & unknown
- };
-
- void Fl_Window::cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg) {
- if (!shown()) return;
- Cursor cursor;
- int deleteit = 0;
- if (!c) {
- cursor = None;
- } else {
- if (c >= FL_CURSOR_NS) {
- TableEntry *q = (c > FL_CURSOR_NESW) ? table+4 : table+(c-FL_CURSOR_NS);
- if (!(q->cursor)) {
- XColor dummy;
- Pixmap p = XCreateBitmapFromData(fl_display,
- RootWindow(fl_display, fl_screen), (const char*)(q->bits),
- CURSORSIZE, CURSORSIZE);
- Pixmap m = XCreateBitmapFromData(fl_display,
- RootWindow(fl_display, fl_screen), (const char*)(q->mask),
- CURSORSIZE, CURSORSIZE);
- q->cursor = XCreatePixmapCursor(fl_display, p,m,&dummy, &dummy,
- HOTXY, HOTXY);
- XFreePixmap(fl_display, m);
- XFreePixmap(fl_display, p);
- }
- cursor = q->cursor;
- } else {
- cursor = XCreateFontCursor(fl_display, (c-1)*2);
- deleteit = 1;
- }
- XColor fgc;
- uchar r,g,b;
- Fl::get_color(fg,r,g,b);
- fgc.red = r<<8; fgc.green = g<<8; fgc.blue = b<<8;
- XColor bgc;
- Fl::get_color(bg,r,g,b);
- bgc.red = r<<8; bgc.green = g<<8; bgc.blue = b<<8;
- XRecolorCursor(fl_display, cursor, &fgc, &bgc);
- }
- XDefineCursor(fl_display, fl_xid(this), cursor);
- if (deleteit) XFreeCursor(fl_display, cursor);
- }
-
- #endif
-
- //
- // End of "$Id: fl_cursor.cxx,v 1.6 1999/01/07 19:17:37 mike Exp $".
- //
-