2b85bf8168
**** THIS CODE COMPILES BUT DOES NOT WORK. **** TODO: fix event handling - getting blank windows, etc. TODO: re-port OpenGL code. TODO: add support for images with alpha. TODO: add support for more then just beeps in fl_beep(). TODO: other stuff I'm sure... git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1765 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
229 lines
7.5 KiB
C++
229 lines
7.5 KiB
C++
//
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// "$Id: fl_cursor.cxx,v 1.6.2.6.2.1 2001/11/27 17:44:08 easysw Exp $"
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//
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// Mouse cursor support for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2001 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@fltk.org".
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//
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// Change the current cursor.
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// Under X the cursor is attached to the X window. I tried to hide
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// this and pretend that changing the cursor is a drawing function.
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// This avoids a field in the Fl_Window, and I suspect is more
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// portable to other systems.
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#include <FL/Fl.H>
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#include <FL/Fl_Window.H>
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#include <FL/x.H>
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#if !defined(WIN32) && !defined(__APPLE__)
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# include <X11/cursorfont.h>
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#endif
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#include <FL/fl_draw.H>
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void fl_cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg) {
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if (Fl::first_window()) Fl::first_window()->cursor(c,fg,bg);
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}
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#ifdef WIN32
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# ifndef IDC_HAND
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# define IDC_HAND MAKEINTRESOURCE(32649)
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# endif // !IDC_HAND
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void Fl_Window::cursor(Fl_Cursor c, Fl_Color, Fl_Color) {
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if (!shown()) return;
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if (c > FL_CURSOR_NESW) {
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i->cursor = 0;
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} else if (c == FL_CURSOR_DEFAULT) {
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i->cursor = fl_default_cursor;
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} else {
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LPSTR n;
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switch (c) {
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case FL_CURSOR_ARROW: n = IDC_ARROW; break;
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case FL_CURSOR_CROSS: n = IDC_CROSS; break;
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case FL_CURSOR_WAIT: n = IDC_WAIT; break;
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case FL_CURSOR_INSERT: n = IDC_IBEAM; break;
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case FL_CURSOR_HELP: n = IDC_HELP; break;
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case FL_CURSOR_HAND: {
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OSVERSIONINFO osvi;
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// Get the OS version: Windows 98 and 2000 have a standard
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// hand cursor.
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memset(&osvi, 0, sizeof(OSVERSIONINFO));
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx(&osvi);
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if (osvi.dwMajorVersion > 4 ||
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(osvi.dwMajorVersion == 4 && osvi.dwMinorVersion > 0 &&
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osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)) n = IDC_HAND;
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else n = IDC_UPARROW;
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} break;
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case FL_CURSOR_MOVE: n = IDC_SIZEALL; break;
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case FL_CURSOR_N:
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case FL_CURSOR_S:
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case FL_CURSOR_NS: n = IDC_SIZENS; break;
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case FL_CURSOR_NE:
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case FL_CURSOR_SW:
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case FL_CURSOR_NESW: n = IDC_SIZENESW; break;
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case FL_CURSOR_E:
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case FL_CURSOR_W:
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case FL_CURSOR_WE: n = IDC_SIZEWE; break;
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case FL_CURSOR_SE:
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case FL_CURSOR_NW:
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case FL_CURSOR_NWSE: n = IDC_SIZENWSE; break;
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default: n = IDC_NO; break;
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}
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i->cursor = LoadCursor(NULL, n);
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}
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SetCursor(i->cursor);
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}
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#elif defined(__APPLE__)
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static Cursor crsrNS =
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{
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{ 0x0000, 0x0180, 0x03c0, 0x07e0, 0x0180, 0x0180, 0x0180, 0x0180,
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0x0180, 0x0180, 0x0180, 0x0180, 0x07e0, 0x03c0, 0x0180, 0x0000 },
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{ 0x0180, 0x03c0, 0x07e0, 0x0ff0, 0x0ff0, 0x03c0, 0x03c0, 0x03c0,
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0x03c0, 0x03c0, 0x03c0, 0x0ff0, 0x0ff0, 0x07e0, 0x03c0, 0x0180 },
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{ 8, 8 }
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}, *crsrNSptr = &crsrNS;
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void Fl_Window::cursor(Fl_Cursor c, Fl_Color, Fl_Color) {
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if (!shown()) return;
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switch (c) {
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case FL_CURSOR_CROSS: i->cursor = GetCursor( crossCursor ); break;
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case FL_CURSOR_WAIT: i->cursor = GetCursor( watchCursor ); break;
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case FL_CURSOR_NS: i->cursor = &crsrNSptr; break;
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case FL_CURSOR_INSERT: //++ the following shapes are missing...
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case FL_CURSOR_HELP:
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case FL_CURSOR_HAND:
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case FL_CURSOR_MOVE:
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case FL_CURSOR_N:
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case FL_CURSOR_S:
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case FL_CURSOR_NE:
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case FL_CURSOR_SW:
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case FL_CURSOR_NESW:
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case FL_CURSOR_E:
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case FL_CURSOR_W:
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case FL_CURSOR_WE:
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case FL_CURSOR_SE:
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case FL_CURSOR_NW:
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case FL_CURSOR_NWSE:
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case FL_CURSOR_ARROW:
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case FL_CURSOR_DEFAULT:
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default:
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i->cursor = fl_default_cursor; break;
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}
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SetCursor( *i->cursor );
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}
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#else
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// I like the MSWindows resize cursors, so I duplicate them here:
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#define CURSORSIZE 16
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#define HOTXY 7
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static struct TableEntry {
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uchar bits[CURSORSIZE*CURSORSIZE/8];
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uchar mask[CURSORSIZE*CURSORSIZE/8];
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Cursor cursor;
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} table[] = {
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{{ // FL_CURSOR_NS
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0x00, 0x00, 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0x80, 0x01, 0x80, 0x01,
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0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
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0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01, 0x00, 0x00},
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{
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0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0xf0, 0x0f, 0xf0, 0x0f, 0xc0, 0x03,
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0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xf0, 0x0f,
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0xf0, 0x0f, 0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01}},
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{{ // FL_CURSOR_EW
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x10,
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0x0c, 0x30, 0xfe, 0x7f, 0xfe, 0x7f, 0x0c, 0x30, 0x08, 0x10, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x1c, 0x38,
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0xfe, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0x1c, 0x38, 0x18, 0x18,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
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{{ // FL_CURSOR_NWSE
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x38, 0x00, 0x78, 0x00,
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0xe8, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x17, 0x00, 0x1e, 0x00, 0x1c,
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0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{
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0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0xfc, 0x00, 0x7c, 0x00, 0xfc, 0x00,
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0xfc, 0x01, 0xec, 0x03, 0xc0, 0x37, 0x80, 0x3f, 0x00, 0x3f, 0x00, 0x3e,
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0x00, 0x3f, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00}},
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{{ // FL_CURSOR_NESW
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x1c, 0x00, 0x1e,
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0x00, 0x17, 0x80, 0x03, 0xc0, 0x01, 0xe8, 0x00, 0x78, 0x00, 0x38, 0x00,
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0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3e, 0x00, 0x3f,
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0x80, 0x3f, 0xc0, 0x37, 0xec, 0x03, 0xfc, 0x01, 0xfc, 0x00, 0x7c, 0x00,
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0xfc, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00}},
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{{0}, {0}} // FL_CURSOR_NONE & unknown
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};
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void Fl_Window::cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg) {
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if (!shown()) return;
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Cursor cursor;
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int deleteit = 0;
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if (!c) {
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cursor = None;
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} else {
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if (c >= FL_CURSOR_NS) {
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TableEntry *q = (c > FL_CURSOR_NESW) ? table+4 : table+(c-FL_CURSOR_NS);
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if (!(q->cursor)) {
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XColor dummy;
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Pixmap p = XCreateBitmapFromData(fl_display,
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RootWindow(fl_display, fl_screen), (const char*)(q->bits),
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CURSORSIZE, CURSORSIZE);
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Pixmap m = XCreateBitmapFromData(fl_display,
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RootWindow(fl_display, fl_screen), (const char*)(q->mask),
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CURSORSIZE, CURSORSIZE);
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q->cursor = XCreatePixmapCursor(fl_display, p,m,&dummy, &dummy,
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HOTXY, HOTXY);
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XFreePixmap(fl_display, m);
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XFreePixmap(fl_display, p);
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}
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cursor = q->cursor;
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} else {
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cursor = XCreateFontCursor(fl_display, (c-1)*2);
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deleteit = 1;
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}
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XColor fgc;
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uchar r,g,b;
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Fl::get_color(fg,r,g,b);
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fgc.red = r<<8; fgc.green = g<<8; fgc.blue = b<<8;
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XColor bgc;
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Fl::get_color(bg,r,g,b);
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bgc.red = r<<8; bgc.green = g<<8; bgc.blue = b<<8;
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XRecolorCursor(fl_display, cursor, &fgc, &bgc);
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}
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XDefineCursor(fl_display, fl_xid(this), cursor);
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if (deleteit) XFreeCursor(fl_display, cursor);
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}
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#endif
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//
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// End of "$Id: fl_cursor.cxx,v 1.6.2.6.2.1 2001/11/27 17:44:08 easysw Exp $".
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//
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