430 lines
9.9 KiB
C
430 lines
9.9 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2004-2009 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 "conf.h"
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#include "cursors.h"
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#include "e16-ecore_list.h"
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#include "emodule.h"
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#include "xwin.h"
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#include <X11/cursorfont.h>
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#if USE_XRENDER
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#include <X11/extensions/Xrender.h>
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#endif
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struct _ecursor {
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char *name;
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Cursor cursor;
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unsigned int ref_count;
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char *file;
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unsigned int bg;
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unsigned int fg;
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int native_id;
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};
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static Ecore_List *cursor_list = NULL;
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static Cursor
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ECreatePixmapCursor(Pixmap cpmap, Pixmap cmask, unsigned int w, unsigned int h,
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int xh, int yh, unsigned int fg, unsigned int bg)
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{
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Cursor curs;
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#if USE_XRENDER
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/* Assuming we have XRenderCreateCursor (render >= 0.5) */
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Pixmap pmap;
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XGCValues gcv;
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GC gc;
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Picture pict;
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XRenderPictFormat *pictfmt;
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pictfmt = XRenderFindStandardFormat(disp, PictStandardARGB32);
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pmap = XCreatePixmap(disp, WinGetXwin(VROOT), w, h, 32);
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gcv.foreground = 0;
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gc = EXCreateGC(pmap, GCForeground, &gcv);
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XFillRectangle(disp, pmap, gc, 0, 0, w, h);
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gcv.fill_style = FillOpaqueStippled;
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gcv.stipple = cpmap;
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gcv.clip_mask = cmask;
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gcv.foreground = fg;
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gcv.background = bg;
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XChangeGC(disp, gc,
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GCForeground | GCBackground | GCFillStyle | GCStipple | GCClipMask,
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&gcv);
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XFillRectangle(disp, pmap, gc, 0, 0, w, h);
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EXFreeGC(gc);
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pict = XRenderCreatePicture(disp, pmap, pictfmt, 0, 0);
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curs = XRenderCreateCursor(disp, pict, xh, yh);
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XFreePixmap(disp, pmap);
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XRenderFreePicture(disp, pict);
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#else
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XColor fgxc, bgxc;
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COLOR32_TO_RGB16(fg, fgxc.red, fgxc.green, fgxc.blue);
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COLOR32_TO_RGB16(bg, bgxc.red, bgxc.green, bgxc.blue);
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XAllocColor(disp, WinGetCmap(VROOT), &fgxc);
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XAllocColor(disp, WinGetCmap(VROOT), &bgxc);
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curs = XCreatePixmapCursor(disp, cpmap, cmask, &fgxc, &bgxc, xh, yh);
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w = h = 0;
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#endif
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return curs;
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}
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static void
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ECursorCreate(const char *name, const char *image, int native_id,
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unsigned int fg, unsigned int bg)
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{
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ECursor *ec;
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if ((!name) || (!image && native_id == -1))
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return;
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ec = ECALLOC(ECursor, 1);
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if (!ec)
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return;
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ec->name = Estrdup(name);
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ec->file = Estrdup(image);
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ec->fg = fg;
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ec->bg = bg;
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ec->native_id = native_id;
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if (!cursor_list)
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cursor_list = ecore_list_new();
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ecore_list_prepend(cursor_list, 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"), ec->ref_count);
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return;
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}
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ecore_list_node_remove(cursor_list, ec);
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Efree(ec->name);
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Efree(ec->file);
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Efree(ec);
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}
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static ECursor *
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ECursorRealize(ECursor * ec)
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{
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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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if (ec->file)
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{
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img = FindFile(ec->file, Mode.theme.path);
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_EFREE(ec->file); /* Ok or not - we never need file again */
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if (!img)
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goto done;
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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, WinGetXwin(VROOT), msk, &w, &h, &mask, &xh, &yh);
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XReadBitmapFile(disp, WinGetXwin(VROOT), img, &w, &h, &pmap, &xh, &yh);
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XQueryBestCursor(disp, WinGetXwin(VROOT), w, h, &ww, &hh);
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if ((w <= ww) && (h <= hh) && (pmap))
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{
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if (xh < 0 || xh >= (int)w)
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xh = (int)w / 2;
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if (yh < 0 || yh >= (int)h)
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yh = (int)h / 2;
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ec->cursor =
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ECreatePixmapCursor(pmap, mask, w, h, xh, yh, ec->fg, ec->bg);
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}
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if (ec->cursor == None)
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{
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Eprintf("*** Failed to create cursor \"%s\" from %s,%s\n",
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ec->name, img, msk);
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}
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if (pmap)
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EFreePixmap(pmap);
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if (mask)
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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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ec->cursor = (ec->native_id == 999) ?
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None : XCreateFontCursor(disp, ec->native_id);
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}
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done:
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if (ec->cursor == None)
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{
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ECursorDestroy(ec);
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ec = NULL;
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}
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return ec;
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}
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static int
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_ECursorMatchName(const void *data, const void *match)
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{
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return strcmp(((const ECursor *)data)->name, (const char *)match);
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}
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static ECursor *
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ECursorFind(const char *name)
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{
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if (!name || !name[0])
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return NULL;
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return (ECursor *) ecore_list_find(cursor_list, _ECursorMatchName, name);
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}
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ECursor *
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ECursorAlloc(const char *name)
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{
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ECursor *ec;
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if (!name)
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return NULL;
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ec = ECursorFind(name);
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if (!ec)
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return NULL;
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if (ec->cursor == None)
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ec = ECursorRealize(ec);
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if (!ec)
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return NULL;
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ec->ref_count++;
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return ec;
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}
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void
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ECursorFree(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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int
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ECursorConfigLoad(FILE * fs)
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{
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int err = 0;
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unsigned int clr, clr2;
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char s[FILEPATH_LEN_MAX];
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char s2[FILEPATH_LEN_MAX];
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char *p2;
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int i1, i2, r, g, b;
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char name[FILEPATH_LEN_MAX], *pname;
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char file[FILEPATH_LEN_MAX], *pfile;
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int native_id = -1;
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COLOR32_FROM_RGB(clr, 0, 0, 0);
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COLOR32_FROM_RGB(clr2, 255, 255, 255);
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pname = pfile = NULL;
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while (GetLine(s, sizeof(s), fs))
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{
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i1 = ConfigParseline1(s, s2, &p2, NULL);
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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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COLOR32_FROM_RGB(clr, 0, 0, 0);
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COLOR32_FROM_RGB(clr2, 255, 255, 255);
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pname = pfile = NULL;
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native_id = -1;
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break;
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case CONFIG_CLOSE:
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ECursorCreate(pname, pfile, native_id, clr, clr2);
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err = 0;
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break;
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case CONFIG_CLASSNAME:
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if (ECursorFind(s2))
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{
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SkipTillEnd(fs);
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goto done;
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}
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strcpy(name, s2);
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pname = name;
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break;
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case CURS_BG_RGB:
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r = g = b = 0;
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sscanf(p2, "%d %d %d", &r, &g, &b);
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COLOR32_FROM_RGB(clr, r, g, b);
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break;
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case CURS_FG_RGB:
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r = g = b = 255;
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sscanf(p2, "%d %d %d", &r, &g, &b);
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COLOR32_FROM_RGB(clr2, r, g, b);
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break;
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case XBM_FILE:
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strcpy(file, s2);
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pfile = file;
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break;
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case NATIVE_ID:
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native_id = atoi(s2);
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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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return err;
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}
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void
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ECursorApply(ECursor * ec, Win win)
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{
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if (!ec)
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return;
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XDefineCursor(disp, WinGetXwin(win), ec->cursor);
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}
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static Cursor
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ECursorGetByName(const char *name, const char *name2, unsigned int fallback)
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{
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ECursor *ec;
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ec = ECursorAlloc(name);
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if (!ec && name2)
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ec = ECursorAlloc(name2);
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if (ec)
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return ec->cursor;
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return XCreateFontCursor(disp, fallback);
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}
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typedef struct {
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const char *pri;
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const char *sec;
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unsigned int fallback;
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} ECDataRec;
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static const ECDataRec ECData[ECSR_COUNT] = {
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{"DEFAULT", NULL, XC_left_ptr},
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{"GRAB", NULL, XC_crosshair},
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{"PGRAB", NULL, XC_X_cursor},
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{"GRAB_MOVE", NULL, XC_fleur},
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{"GRAB_RESIZE", NULL, XC_sizing},
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{"RESIZE_H", NULL, XC_sb_h_double_arrow},
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{"RESIZE_V", NULL, XC_sb_v_double_arrow},
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{"RESIZE_TL", "RESIZE_BR", XC_top_left_corner},
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{"RESIZE_TR", "RESIZE_BL", XC_top_right_corner},
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{"RESIZE_BL", "RESIZE_TR", XC_bottom_left_corner},
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{"RESIZE_BR", "RESIZE_TL", XC_bottom_right_corner},
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};
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static Cursor ECsrs[ECSR_COUNT] = {
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
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};
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Cursor
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ECsrGet(int which)
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{
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if (which < 0 || which >= ECSR_COUNT)
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return None;
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if (ECsrs[which] == 1)
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ECsrs[which] = ECursorGetByName(ECData[which].pri, ECData[which].sec,
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ECData[which].fallback);
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return ECsrs[which];
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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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static void
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CursorsIpc(const char *params)
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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 len;
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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, "list", 2))
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{
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ECORE_LIST_FOR_EACH(cursor_list, ec) IpcPrintf("%s\n", ec->name);
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}
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}
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static const 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 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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extern const EModule ModCursors;
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const EModule ModCursors = {
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"cursor", "csr",
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NULL,
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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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