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ede/edewm/Cursor.cpp
Sanel Zukan a00fb8164f Older ede2 code based on fltk2.
2007-07-18 18:20:04 +00:00

299 lines
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/*
* $Id$
*
* Edewm, window manager
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2000-2006 EDE Authors.
*
* This program is licenced under terms of the
* GNU General Public Licence version 2 or newer.
* See COPYING for details.
*/
#include "Cursor.h"
#include "Frame.h"
#include "Tracers.h"
#include <efltk/x.h>
#include <X11/cursorfont.h>
#include <assert.h>
#ifdef _DEBUG
#include <map>
std::map<CursorType, const char*> cursors_map;
#endif
/* Windows like cursors (copied from FLTK).
* These are cursors for some shapes (given in comments). For others, default X are used.
*/
#define CURSORSIZE 16
#define HOTXY 8
static 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
};
// Mozilla-like busy cursor
#define LAWATCH_WIDTH 32
#define LAWATCH_HEIGHT 32
#define LAWATCH_HOTXY 2
const char left_arrow_watch_bits [] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
0x0c, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x00,
0x7c, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0xfc, 0x01, 0x00, 0x00,
0xfc, 0x3b, 0x00, 0x00, 0x7c, 0x38, 0x00, 0x00, 0x6c, 0x54, 0x00, 0x00,
0xc4, 0xdc, 0x00, 0x00, 0xc0, 0x44, 0x00, 0x00, 0x80, 0x39, 0x00, 0x00,
0x80, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
const char left_arrow_watch_mask [] =
{
0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x00, 0x00,
0x1e, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00,
0xfe, 0x00, 0x00, 0x00, 0xfe, 0x01, 0x00, 0x00, 0xfe, 0x3b, 0x00, 0x00,
0xfe, 0x7f, 0x00, 0x00, 0xfe, 0x7f, 0x00, 0x00, 0xfe, 0xfe, 0x00, 0x00,
0xee, 0xff, 0x01, 0x00, 0xe4, 0xff, 0x00, 0x00, 0xc0, 0x7f, 0x00, 0x00,
0xc0, 0x7f, 0x00, 0x00, 0x80, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
Cursor CreateLeftArrowWatch(void)
{
XColor dummy;
Pixmap p = XCreateBitmapFromData(fl_display, RootWindow(fl_display, fl_screen),
left_arrow_watch_bits, LAWATCH_WIDTH, LAWATCH_HEIGHT);
Pixmap m = XCreateBitmapFromData(fl_display, RootWindow(fl_display, fl_screen),
left_arrow_watch_mask, LAWATCH_WIDTH, LAWATCH_HEIGHT);
Cursor cursor = XCreatePixmapCursor(fl_display, p, m, &dummy, &dummy, LAWATCH_HOTXY, LAWATCH_HOTXY);
// recolor created cursor to usefull colors
XColor fgc;
Fl_Color fg = fl_get_color(FL_BLACK);
fgc.red = (fg>>16)&0xFF00;
fgc.green = (fg>>8)&0xFF00;
fgc.blue = fg & 0xFF00;
XColor bgc;
Fl_Color bg = fl_get_color(FL_WHITE);
bgc.red = (bg>>16)&0xFF00;
bgc.green = (bg>>8)&0xFF00;
bgc.blue = bg & 0xFF00;
XRecolorCursor(fl_display, cursor, &fgc, &bgc);
return cursor;
}
Cursor CreateFltkCursor(Fl_Cursor c)
{
Cursor cursor;
if(!c)
return None;
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);
// recolor created cursor to usefull colors
XColor fgc;
Fl_Color fg = fl_get_color(FL_BLACK);
fgc.red = (fg>>16)&0xFF00;
fgc.green = (fg>>8)&0xFF00;
fgc.blue = fg & 0xFF00;
XColor bgc;
Fl_Color bg = fl_get_color(FL_WHITE);
bgc.red = (bg>>16)&0xFF00;
bgc.green = (bg>>8)&0xFF00;
bgc.blue = bg & 0xFF00;
XRecolorCursor(fl_display, cursor, &fgc, &bgc);
return cursor;
}
CursorHandler::CursorHandler()
{
cursors_loaded = false;
/* In some cases curr_cursor_type can't be set
* fast enough (mostly for Frame::grab_cursor()) which
* will crash whole wm. This will prevent that.
*/
curr_cursor_type = CURSOR_DEFAULT;
}
CursorHandler::~CursorHandler()
{
if(st != X_CURSORS)
return;
for(int i = 0; i < CURSOR_LIST_SIZE; i++)
XFreeCursor(fl_display, cursors[i]);
}
void CursorHandler::load(CursorShapeType s)
{
TRACE_FUNCTION("void CursorHandler::load(CursorShapeType s)");
st = s;
if(st == FLTK_CURSORS)
{
cursors[CURSOR_DEFAULT] = CreateFltkCursor(FL_CURSOR_ARROW);
cursors[CURSOR_MOVE] = CreateFltkCursor(FL_CURSOR_MOVE);
//cursors[CURSOR_WAIT] = CreateFltkCursor(FL_CURSOR_WAIT);
cursors[CURSOR_WAIT] = CreateLeftArrowWatch();
cursors[CURSOR_HELP] = CreateFltkCursor(FL_CURSOR_HELP);
cursors[CURSOR_N] = CreateFltkCursor(FL_CURSOR_NS);
cursors[CURSOR_NE] = CreateFltkCursor(FL_CURSOR_NESW);
cursors[CURSOR_E] = CreateFltkCursor(FL_CURSOR_WE);
cursors[CURSOR_SE] = CreateFltkCursor(FL_CURSOR_NWSE);
cursors[CURSOR_S] = CreateFltkCursor(FL_CURSOR_NS);
cursors[CURSOR_SW] = CreateFltkCursor(FL_CURSOR_NESW);
cursors[CURSOR_W] = CreateFltkCursor(FL_CURSOR_WE);
cursors[CURSOR_NW] = CreateFltkCursor(FL_CURSOR_NWSE);
}
else
{
cursors[CURSOR_DEFAULT] = XCreateFontCursor(fl_display, XC_left_ptr);
cursors[CURSOR_MOVE] = XCreateFontCursor(fl_display, XC_fleur);
//cursors[CURSOR_WAIT] = XCreateFontCursor(fl_display, XC_watch);
cursors[CURSOR_WAIT] = CreateLeftArrowWatch();
cursors[CURSOR_HELP] = XCreateFontCursor(fl_display, XC_question_arrow);
cursors[CURSOR_N] = XCreateFontCursor(fl_display, XC_top_side);
cursors[CURSOR_NE] = XCreateFontCursor(fl_display, XC_top_right_corner);
cursors[CURSOR_E] = XCreateFontCursor(fl_display, XC_right_side);
cursors[CURSOR_SE] = XCreateFontCursor(fl_display, XC_bottom_right_corner);
cursors[CURSOR_S] = XCreateFontCursor(fl_display, XC_bottom_side);
cursors[CURSOR_SW] = XCreateFontCursor(fl_display, XC_bottom_left_corner);
cursors[CURSOR_W] = XCreateFontCursor(fl_display, XC_left_side);
cursors[CURSOR_NW] = XCreateFontCursor(fl_display, XC_top_left_corner);
}
#ifdef _DEBUG
cursors_map[CURSOR_DEFAULT] = "CURSOR_DEFAULT";
cursors_map[CURSOR_MOVE] = "CURSOR_MOVE";
cursors_map[CURSOR_WAIT] = "CURSOR_WAIT";
cursors_map[CURSOR_HELP] = "CURSOR_HELP";
cursors_map[CURSOR_N] = "CURSOR_N";
cursors_map[CURSOR_NE] = "CURSOR_NE";
cursors_map[CURSOR_E] = "CURSOR_E";
cursors_map[CURSOR_SE] = "CURSOR_SE";
cursors_map[CURSOR_S] = "CURSOR_S";
cursors_map[CURSOR_SW] = "CURSOR_SW";
cursors_map[CURSOR_W] = "CURSOR_W";
cursors_map[CURSOR_NW] = "CURSOR_NW";
#endif
cursors_loaded = true;
}
void CursorHandler::set_cursor(Frame* f, CursorType t)
{
TRACE_FUNCTION("void CursorHandler::set_cursor(Frame* f, CursorType t)");
#ifdef _DEBUG
ELOG("Cursor set to %s", cursors_map[t]);
#endif
assert(cursors_loaded != false);
assert(f != NULL);
// do not set cursor to same type again
if(t == curr_cursor_type)
return;
curr_cursor_type = t;
XDefineCursor(fl_display, fl_xid(f), cursors[curr_cursor_type]);
}
// only for root window
void CursorHandler::set_root_cursor(void)
{
TRACE_FUNCTION("void CursorHandler::set_root_cursor(void)");
assert(cursors_loaded != false);
root_window_cursor = cursors[CURSOR_DEFAULT];
XDefineCursor(fl_display, RootWindow(fl_display, fl_screen), root_window_cursor);
}
void CursorHandler::set_root_cursor(CursorType t)
{
TRACE_FUNCTION("void CursorHandler::set_root_cursor(CursorType t)");
assert(cursors_loaded != false);
root_window_cursor = cursors[t];
XDefineCursor(fl_display, RootWindow(fl_display, fl_screen), root_window_cursor);
}
Cursor CursorHandler::current_cursor(void) const
{
TRACE_FUNCTION("Cursor CursorHandler::current_cursor(void) const");
//assert(current_cursor > 0 && current_cursor < CURSOR_LIST_SIZE);
return cursors[curr_cursor_type];
}
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