3 * Purpose: Implementation of the XForms object bmtable.
4 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
5 * Created: November 1995
6 * Description: A bitmap table uses a single bitmap to simulate a 2d array
7 * of bitmap buttons. It can be used to build bitmap menus.
9 * Copyright 1995, 1996 Alejandro Aguilar Sierra
11 * You are free to use and modify this code under the terms of
12 * the GNU General Public Licence version 2 or later.
20 #include XPM_H_LOCATION
22 #if defined(__cplusplus)
28 int nx, ny; /* Dimensions of the table */
29 int dx, dy; /* Size of each item */
30 int bx, by; /* Bitmap's position */
31 int bw, bh; /* Bitmap dimensions */
32 unsigned char const * bdata; /* Bitmap data */
33 int maxi; /* Number of items */
34 int i; /* Current position */
35 int mousebut; /* mouse button pushed */
36 Pixmap pix; /* Pixmap from data (temporal) */
40 int handle_bitmaptable(FL_OBJECT * ob, int event, FL_Coord mx,
41 FL_Coord my, int key, void * xev);
44 FL_OBJECT * fl_create_bmtable(int type, FL_Coord x, FL_Coord y,
45 FL_Coord w, FL_Coord h, char const * label)
49 ob = fl_make_object(FL_BMTABLE, type, x, y, w, h, label, handle_bitmaptable);
50 ob->boxtype = FL_BMTABLE_BOXTYPE;
51 ob->spec = fl_calloc(1, sizeof(BMTABLE_SPEC));
52 ((BMTABLE_SPEC *)ob->spec)->pix = 0;
53 ((BMTABLE_SPEC *)ob->spec)->bdata= 0;
54 ((BMTABLE_SPEC *)ob->spec)->mousebut= -1;
59 FL_OBJECT *fl_add_bmtable(int type, FL_Coord x, FL_Coord y,
60 FL_Coord w, FL_Coord h, char const *label)
64 ob = fl_create_bmtable(type, x, y, w, h, label);
65 fl_add_object(fl_current_form, ob);
72 void draw_bitmaptable(FL_OBJECT *ob)
76 FL_Coord xx, yy, ww, hh;
77 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
78 GC gc = fl_state[fl_get_vclass()].gc[0];
81 /* draw the bounding box first */
82 lx = sp->maxi % sp->nx;
83 fl_drw_box(ob->boxtype, ob->x, ob->y, ob->w, ob->h, ob->col1, ob->bw);
86 xx = ob->x+ sp->dx*lx + i;
87 yy = ob->y+ (sp->ny-1)*sp->dy+i;
88 ww = ob->x+ob->w - xx - i;
89 hh = ob->y+ob->h-yy-i;
90 fl_drw_frame(FL_DOWN_FRAME, xx, yy, ww, hh, ob->col1, ob->bw);
91 fl_rectf(xx, yy, ww+i, hh+i, ob->col1);
94 /* draw the background bitmap */
97 sp->pix = XCreatePixmapFromBitmapData(fl_display, fl_winget(),
100 fl_get_flcolor(ob->lcol), fl_get_flcolor(ob->col1),
101 /*DefaultDepth(fl_display, DefaultScreen(fl_display))*/ fl_state[fl_get_vclass()].depth);
106 /* Adjust position */
107 if (sp->bx < FL_abs(ob->bw) + 1) {
108 xx = FL_abs(ob->bw) - sp->bx + 1;
109 mx = ob->x + FL_abs(ob->bw) + 1;
114 if (sp->by < FL_abs(ob->bw) + 1) {
115 yy = FL_abs(ob->bw) - sp->by + 1;
116 my = ob->y + FL_abs(ob->bw) + 1;
121 ww = (mx + sp->bw < ob->x + ob->w - FL_abs(ob->bw)) ?
122 sp->bw: ob->x + ob->w - FL_abs(ob->bw) - mx;
123 hh = (my + sp->bh < ob->y + ob->h - FL_abs(ob->bw)) ?
124 sp->bh: ob->y + ob->h - FL_abs(ob->bw) - my;
127 j = hh - ((lx) ? sp->dy+2*i: 0);
128 XCopyArea(fl_display, sp->pix, fl_winget(), gc, xx, yy, ww, j, mx, my);
131 XCopyArea(fl_display, sp->pix, fl_winget(), gc, xx,
132 yy+j, lx*sp->dx-2*i, hh-j, mx, my+j);
138 /* draw the grid if type > FLAT */
139 if (ob->type > FL_BMTABLE_FLAT) {
143 for (yy= ob->y; yy<= my; yy+= sp->dy) {
144 if (ob->boxtype!= FL_FLAT_BOX && (yy == ob->y || yy>my-sp->dy))
146 if (lx>0 && yy>= my-sp->dy - sp->dy/2)
148 fl_diagline(ob->x, yy, ww, 1, FL_BOTTOM_BCOL);
149 fl_diagline(ob->x, yy+1, ww-2, 1, FL_TOP_BCOL);
152 for (xx= ob->x; xx<= mx; xx+= sp->dx) {
153 if (ob->boxtype!= FL_FLAT_BOX && (xx == ob->x || xx>mx-sp->dx))
155 if (lx>0 && xx>= ob->x+lx*sp->dx)
156 hh = (sp->ny-1)*sp->dy;
157 fl_diagline(xx, ob->y, 1, hh, FL_RIGHT_BCOL);
158 fl_diagline(xx+1, ob->y+1, 1, hh-2, FL_LEFT_BCOL);
162 /* Simulate a pushed button */
163 if (ob->pushed && 0 <= sp->i && sp->i < sp->maxi) {
166 ww = sp->dx-2*FL_abs(ob->bw);
167 hh = sp->dy-2*FL_abs(ob->bw);
168 xx = ob->x + sp->dx*i + FL_abs(ob->bw);
169 yy = ob->y + sp->dy*j + FL_abs(ob->bw);
170 fl_drw_frame(FL_DOWN_FRAME, xx, yy, ww, hh, ob->col1, ob->bw);
175 int handle_bitmaptable(FL_OBJECT * ob, int event, FL_Coord mx,
176 FL_Coord my, int key, void * xev)
179 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
183 draw_bitmaptable(ob);
186 if (!ob->belowmouse) { /* This never happens. Why? */
188 fl_redraw_object(ob);
191 i = (mx - ob->x)/sp->dx; j = (my - ob->y)/sp->dy;
192 if (i>= 0 && i< sp->nx && j>= 0 && j< sp->ny) {
194 if (i >= sp->maxi) i = -1;
197 fl_redraw_object(ob);
203 i = (mx - ob->x)/sp->dx + ((my - ob->y)/sp->dy)*sp->nx;
204 if (0 <= i && i < sp->maxi) {
206 fl_redraw_object(ob);
211 fl_redraw_object(ob);
215 XFreePixmap(fl_display, sp->pix);
218 fl_free(((BMTABLE_SPEC*)ob->spec));
226 * The table has nx columns of dx width each and ny rows of dy height each.
227 * Initially the position of the firts item is supposed to be the same that
228 * the object position (x, y), and the number of items is supposed to be
231 * The user could change these later. See below.
233 void fl_set_bmtable_data(FL_OBJECT * ob, int nx, int ny, int bw, int bh,
234 unsigned char const * bdata)
236 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
240 sp->bx = FL_abs(ob->bw);
241 sp->by = FL_abs(ob->bw);
245 sp->maxi = sp->nx * sp->ny;
253 void fl_set_bmtable_pixmap_data(FL_OBJECT * ob, int nx, int ny,
256 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
258 Pixmap dummy_shapemask = 0;
259 XpmAttributes dumb_attributes = { 0 };
262 sp->bx = FL_abs(ob->bw);
263 sp->by = FL_abs(ob->bw);
267 sp->maxi = sp->nx * sp->ny;
269 dumb_attributes.colormap = fl_state[fl_get_vclass()].colormap;
270 dumb_attributes.closeness = 30000;
271 dumb_attributes.valuemask = XpmColormap | XpmCloseness;
272 if (XCreatePixmapFromData(fl_display, fl_winget(), pdata,
273 &(sp->pix), &dummy_shapemask,
274 &dumb_attributes) == XpmSuccess) {
275 sp->bw = dumb_attributes.width;
276 sp->bh = dumb_attributes.height;
277 XpmFreeAttributes(&dumb_attributes);
278 if (dummy_shapemask) {
279 XFreePixmap(fl_display, dummy_shapemask);
287 * This function works only for X11R6 or later
289 #if XlibSpecificationRelease > 5
291 void fl_set_bmtable_file(FL_OBJECT * ob, int nx, int ny, char const * filename)
295 unsigned char * bdata;
297 if(XReadBitmapFileData(filename, &bw, &bh,
298 &bdata, &xh, &yh) == BitmapSuccess)
299 fl_set_bmtable_data(ob, nx, ny, bw, bh, bdata);
305 void fl_set_bmtable_file(FL_OBJECT * ob, int nx, int ny, char const * filename)
307 fprintf(stderr, "Set bmtable file: Sorry, I need X11 release 6 to do "
315 void fl_set_bmtable_pixmap_file(FL_OBJECT *ob, int nx, int ny, char const *filename)
317 //extern Colormap color_map;
318 BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
320 Pixmap dummy_shapemask = 0;
321 XpmAttributes dumb_attributes = { 0 };
324 sp->bx = FL_abs(ob->bw);
325 sp->by = FL_abs(ob->bw);
329 sp->maxi = sp->nx * sp->ny;
332 dumb_attributes.colormap = fl_state[fl_get_vclass()].colormap;
333 dumb_attributes.closeness = 30000;
334 dumb_attributes.valuemask = XpmColormap | XpmCloseness;
336 if (XReadPixmapFile(fl_display, fl_winget(), (char *)filename,
337 &(sp->pix), &dummy_shapemask,
338 &dumb_attributes) == XpmSuccess) {
339 sp->bw = dumb_attributes.width;
340 sp->bh = dumb_attributes.height;
341 XpmFreeAttributes(&dumb_attributes);
342 if (dummy_shapemask) {
343 XFreePixmap(fl_display, dummy_shapemask);
346 //XFlush(fl_display);
352 * This function allows to adjust the position of the first item and its
353 * size (dx, dy). The input values are incremental, not absolute.
355 void fl_set_bmtable_adjust(FL_OBJECT *ob, int px, int py, int dx, int dy)
357 BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
367 * This function returns the table's selected position.
369 int fl_get_bmtable(FL_OBJECT *ob)
371 if ((BMTABLE_SPEC *)ob->spec)
372 return ((BMTABLE_SPEC *)ob->spec)->i;
379 * You can change the max number of items if you want.
381 void fl_set_bmtable_maxitems(FL_OBJECT * ob, int i)
383 if (i > 0 && (BMTABLE_SPEC *)ob->spec)
384 ((BMTABLE_SPEC *)ob->spec)->maxi = i;
388 int fl_get_bmtable_maxitems(FL_OBJECT * ob)
390 if ((BMTABLE_SPEC *)ob->spec)
391 return ((BMTABLE_SPEC *)ob->spec)->maxi;
397 void fl_replace_bmtable_item(FL_OBJECT * ob, int id, int cw, int ch, char * data)
399 fprintf(stderr, "Replace bmtable item: Sorry, not yet implemented!\n");
403 void fl_get_bmtable_item(FL_OBJECT * ob, int id, int * cw, int * ch, char * data)
405 fprintf(stderr, "Get bmtable item: Sorry, not yet implemented!\n");
408 void fl_set_bmtable(FL_OBJECT * ob, int pushed, int pos)
410 if ((BMTABLE_SPEC *)ob->spec)
411 ((BMTABLE_SPEC *)ob->spec)->i = (pushed) ? pos: -1;
415 int fl_get_bmtable_numb(FL_OBJECT *ob)
417 if ((BMTABLE_SPEC *)ob->spec)
418 return ((BMTABLE_SPEC *)ob->spec)->mousebut;
424 Pixmap fl_get_bmtable_pixmap(FL_OBJECT * ob)
426 if ((BMTABLE_SPEC *)ob->spec)
427 return ((BMTABLE_SPEC *)ob->spec)->pix;
433 void fl_draw_bmtable_item(FL_OBJECT * ob, int i, Drawable d, int xx, int yy)
436 GC gc = fl_state[fl_get_vclass()].gc[0];
437 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
440 x = (i % sp->nx)*sp->dx + FL_abs(ob->bw);
441 y = (i/sp->nx)*sp->dy + FL_abs(ob->bw);
442 w = sp->dx-2*FL_abs(ob->bw);
443 h = sp->dy-2*FL_abs(ob->bw);
444 XCopyArea(fl_display, sp->pix, d, gc, x, y, w, h, xx, yy);
449 /* Free the current bitmap and pixmap in preparation for installing a new one */
450 void fl_free_bmtable_bitmap(FL_OBJECT * ob)
452 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
454 /* dump the temporary pixmap */
456 XFreePixmap(fl_display, sp->pix);
461 /* and free the space taken by bdata etc. */
462 if (sp && sp->bdata) {
463 fl_free((void*)sp->bdata);
468 /* Free the current pixmap in preparation for installing a new one */
469 /* This is needed when using data instead of files to set bitmaps */
470 void fl_free_bmtable_pixmap(FL_OBJECT *ob)
472 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
474 /* dump the temporary pixmap */
476 XFreePixmap(fl_display, sp->pix);
482 #if defined(__cplusplus)