383 lines
8.3 KiB
C
383 lines
8.3 KiB
C
/*
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* Copyright (C) 2000-2005 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2004-2005 Kim Woelders
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "E.h"
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#include "X11/cursorfont.h"
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#include "conf.h"
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struct _ecursor
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{
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char *name;
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#if 0 /* Not used */
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Imlib_Color fg, bg;
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#endif
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char *file;
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Cursor cursor;
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unsigned int ref_count;
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#if 0 /* Not used */
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char inroot;
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#endif
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};
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static ECursor *
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ECursorCreate(const char *name, const char *image, int native_id, XColor * fg,
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XColor * bg)
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{
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Cursor curs;
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Pixmap pmap, mask;
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int xh, yh;
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unsigned int w, h, ww, hh;
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char *img, msk[FILEPATH_LEN_MAX];
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ECursor *ec;
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if ((!name) || (!image && native_id == -1))
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return NULL;
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if (image)
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{
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img = FindFile(image, Mode.theme.path);
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if (!img)
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return NULL;
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Esnprintf(msk, sizeof(msk), "%s.mask", img);
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pmap = 0;
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mask = 0;
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xh = 0;
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yh = 0;
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XReadBitmapFile(disp, VRoot.win, msk, &w, &h, &mask, &xh, &yh);
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XReadBitmapFile(disp, VRoot.win, img, &w, &h, &pmap, &xh, &yh);
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XQueryBestCursor(disp, VRoot.win, w, h, &ww, &hh);
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if ((w > ww) || (h > hh))
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{
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EFreePixmap(pmap);
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EFreePixmap(mask);
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Efree(img);
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return NULL;
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}
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EAllocColor(fg);
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EAllocColor(bg);
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curs = 0;
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curs = XCreatePixmapCursor(disp, pmap, mask, fg, bg, xh, yh);
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EFreePixmap(pmap);
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EFreePixmap(mask);
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Efree(img);
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}
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else
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{
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curs = (native_id == 999) ? None : XCreateFontCursor(disp, native_id);
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}
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ec = Emalloc(sizeof(ECursor));
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ec->name = Estrdup(name);
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ec->file = Estrdup(image);
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#if 0 /* Not used */
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ec->fg = *fg;
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ec->bg = *bg;
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#endif
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ec->cursor = curs;
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ec->ref_count = 0;
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#if 0 /* Not used */
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ec->inroot = 0;
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#endif
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AddItem(ec, ec->name, 0, LIST_TYPE_ECURSOR);
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return ec;
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}
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static void
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ECursorDestroy(ECursor * ec)
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{
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if (!ec)
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return;
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if (ec->ref_count > 0)
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{
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DialogOK(_("ECursor Error!"), _("%u references remain\n"),
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ec->ref_count);
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return;
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}
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while (RemoveItemByPtr(ec, LIST_TYPE_ECURSOR));
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if (ec->name)
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Efree(ec->name);
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if (ec->file)
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Efree(ec->file);
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Efree(ec);
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}
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static int
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ECursorConfigLoad(FILE * fs)
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{
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int err = 0;
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XColor xclr, xclr2;
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char s[FILEPATH_LEN_MAX];
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char s2[FILEPATH_LEN_MAX];
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int i1, i2, r, g, b;
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char *file = NULL, *name = NULL;
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int native_id = -1;
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int fields;
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while (GetLine(s, sizeof(s), fs))
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{
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s2[0] = 0;
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i1 = CONFIG_INVALID;
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fields = sscanf(s, "%i %4000s", &i1, s2);
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if (fields < 1)
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{
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i1 = CONFIG_INVALID;
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}
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else if (i1 == CONFIG_CLOSE)
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{
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if (fields != 1)
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Alert(_("CONFIG: ignoring extra data in \"%s\"\n"), s);
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}
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else if (i1 != CONFIG_INVALID)
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{
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if (fields != 2)
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{
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Alert(_("CONFIG: missing required data in \"%s\"\n"), s);
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continue;
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}
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}
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switch (i1)
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{
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case CONFIG_CURSOR:
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err = -1;
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i2 = atoi(s2);
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if (i2 != CONFIG_OPEN)
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goto done;
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ESetColor(&xclr, 0, 0, 0);
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ESetColor(&xclr2, 255, 255, 255);
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_EFREE(file);
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_EFREE(name);
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native_id = -1;
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break;
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case CONFIG_CLOSE:
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ECursorCreate(name, file, native_id, &xclr, &xclr2);
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err = 0;
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break;
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case CONFIG_CLASSNAME:
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if (ConfigSkipIfExists(fs, s2, LIST_TYPE_ECURSOR))
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goto done;
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_EFDUP(name, s2);
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break;
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case CURS_BG_RGB:
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EGetColor(&xclr, &r, &g, &b);
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sscanf(s, "%4000s %d %d %d", s2, &r, &g, &b);
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ESetColor(&xclr, r, g, b);
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break;
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case CURS_FG_RGB:
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EGetColor(&xclr2, &r, &g, &b);
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sscanf(s, "%4000s %d %d %d", s2, &r, &g, &b);
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ESetColor(&xclr2, r, g, b);
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break;
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case XBM_FILE:
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_EFDUP(file, s2);
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break;
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case NATIVE_ID:
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sscanf(s, "%4000s %d", s2, &native_id);
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break;
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default:
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break;
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}
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}
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done:
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if (err)
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ConfigAlertLoad(_("Cursor"));
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_EFREE(name);
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_EFREE(file);
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return err;
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}
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void
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ECursorApply(ECursor * ec, Window win)
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{
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if (!ec)
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return;
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XDefineCursor(disp, win, ec->cursor);
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#if 0 /* Not used */
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if (win == VRoot.win)
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ec->inroot = 1;
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#endif
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}
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static Cursor
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ECursorGetByName(const char *name, unsigned int fallback)
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{
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ECursor *ec;
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ec = FindItem(name, 0, LIST_FINDBY_NAME, LIST_TYPE_ECURSOR);
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if (!ec)
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return XCreateFontCursor(disp, fallback);
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ECursorIncRefcount(ec);
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return ec->cursor;
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}
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void
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ECursorIncRefcount(ECursor * ec)
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{
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if (ec)
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ec->ref_count++;
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}
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void
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ECursorDecRefcount(ECursor * ec)
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{
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if (ec)
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ec->ref_count--;
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}
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static const char *
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ECursorGetName(ECursor * ec)
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{
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return (ec) ? ec->name : 0;
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}
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#if 0 /* Not used */
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static int
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ECursorGetRefcount(ECursor * ec)
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{
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return (ec) ? ec->ref_count : 0;
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}
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#endif
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static Cursor ECsrs[ECSR_COUNT];
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Cursor
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ECsrGet(int which)
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{
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return (which >= 0 && which < ECSR_COUNT) ? ECsrs[which] : None;
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}
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void
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ECsrApply(int which, Window win)
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{
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XDefineCursor(disp, win, ECsrGet(which));
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}
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/*
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* Set up some basic cursors
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*/
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static void
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CursorsInit(void)
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{
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ECsrs[ECSR_NONE] = None;
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ECsrs[ECSR_ROOT] = ECursorGetByName("DEFAULT", XC_left_ptr);
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ECsrs[ECSR_GRAB] = ECursorGetByName("GRAB", XC_crosshair);
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ECsrs[ECSR_PGRAB] = ECursorGetByName("PGRAB", XC_X_cursor);
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ECsrs[ECSR_ACT_MOVE] = ECursorGetByName("GRAB_MOVE", XC_fleur);
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ECsrs[ECSR_ACT_RESIZE] = ECursorGetByName("GRAB_RESIZE", XC_sizing);
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}
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/*
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* Cursor module
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*/
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static void
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CursorSighan(int sig, void *prm __UNUSED__)
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{
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switch (sig)
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{
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case ESIGNAL_INIT:
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ConfigFileLoad("cursors.cfg", Mode.theme.path, ECursorConfigLoad, 1);
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CursorsInit();
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break;
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}
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}
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static void
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CursorsIpc(const char *params, Client * c __UNUSED__)
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{
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const char *p;
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char cmd[128], prm[4096];
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int i, len, num;
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ECursor *ec;
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cmd[0] = prm[0] = '\0';
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p = params;
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if (p)
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{
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len = 0;
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sscanf(p, "%100s %4000s %n", cmd, prm, &len);
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p += len;
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}
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if (!strncmp(cmd, "add", 3))
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{
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/* TBD */
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IpcPrintf("Not implemented\n");
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}
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else if (!strncmp(cmd, "del", 3))
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{
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ec = FindItem(prm, 0, LIST_FINDBY_NAME, LIST_TYPE_ECURSOR);
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if (ec)
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ECursorDestroy(ec);
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}
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else if (!strncmp(cmd, "list", 2))
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{
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ECursor **lst;
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lst = (ECursor **) ListItemType(&num, LIST_TYPE_ECURSOR);
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for (i = 0; i < num; i++)
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{
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IpcPrintf("%s\n", ECursorGetName(lst[i]));
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}
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if (lst)
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Efree(lst);
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}
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}
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IpcItem CursorIpcArray[] = {
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{
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CursorsIpc,
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"cursor", "csr",
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"Cursor functions",
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" cursor add <classname> ... Create cursor\n"
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" cursor del <classname> Delete cursor\n"
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" cursor list Show all cursors\n"}
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};
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#define N_IPC_FUNCS (sizeof(CursorIpcArray)/sizeof(IpcItem))
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/*
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* Module descriptor
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*/
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EModule ModCursors = {
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"cursor", "csr",
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CursorSighan,
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{N_IPC_FUNCS, CursorIpcArray}
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,
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{0, NULL}
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};
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