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.
19 #pragma implementation
24 #include XPM_H_LOCATION
26 #if defined(__cplusplus)
32 int nx, ny; /**< Dimensions of the table */
33 int dx, dy; /**< Size of each item */
34 int bx, by; /**< Bitmap's position */
35 int bw, bh; /**< Bitmap dimensions */
36 unsigned char const * bdata; /**< Bitmap data */
37 int maxi; /**< Number of items */
38 int i; /**< Current position */
39 int mousebut; /**< mouse button pushed */
40 Pixmap pix; /**< Pixmap from data (temporal) */
44 int handle_bitmaptable(FL_OBJECT * ob, int event, FL_Coord mx,
45 FL_Coord my, int key, void * xev);
48 FL_OBJECT * fl_create_bmtable(int type, FL_Coord x, FL_Coord y,
49 FL_Coord w, FL_Coord h, char const * label)
53 ob = fl_make_object(FL_BMTABLE, type, x, y, w, h, label, handle_bitmaptable);
54 ob->boxtype = FL_BMTABLE_BOXTYPE;
55 ob->spec = fl_calloc(1, sizeof(BMTABLE_SPEC));
56 ((BMTABLE_SPEC *)ob->spec)->pix = 0;
57 ((BMTABLE_SPEC *)ob->spec)->bdata= 0;
58 ((BMTABLE_SPEC *)ob->spec)->mousebut= -1;
63 FL_OBJECT *fl_add_bmtable(int type, FL_Coord x, FL_Coord y,
64 FL_Coord w, FL_Coord h, char const *label)
68 ob = fl_create_bmtable(type, x, y, w, h, label);
69 fl_add_object(fl_current_form, ob);
75 static void draw_bitmaptable(FL_OBJECT *ob)
79 FL_Coord xx, yy, ww, hh;
80 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
81 GC gc = fl_state[fl_get_vclass()].gc[0];
84 /* draw the bounding box first */
85 lx = sp->maxi % sp->nx;
86 fl_drw_box(ob->boxtype, ob->x, ob->y, ob->w, ob->h, ob->col1, ob->bw);
89 xx = ob->x+ sp->dx*lx + i;
90 yy = ob->y+ (sp->ny-1)*sp->dy+i;
91 ww = ob->x+ob->w - xx - i;
92 hh = ob->y+ob->h-yy-i;
93 fl_drw_frame(FL_DOWN_FRAME, xx, yy, ww, hh, ob->col1, ob->bw);
94 fl_rectf(xx, yy, ww+i, hh+i, ob->col1);
97 /* draw the background bitmap */
100 sp->pix = XCreatePixmapFromBitmapData(fl_get_display(), fl_winget(),
103 fl_get_flcolor(ob->lcol), fl_get_flcolor(ob->col1),
104 /*DefaultDepth(fl_get_display(), DefaultScreen(fl_get_display()))*/ fl_state[fl_get_vclass()].depth);
105 XFlush(fl_get_display());
109 /* Adjust position */
110 if (sp->bx < FL_abs(ob->bw) + 1) {
111 xx = FL_abs(ob->bw) - sp->bx + 1;
112 mx = ob->x + FL_abs(ob->bw) + 1;
117 if (sp->by < FL_abs(ob->bw) + 1) {
118 yy = FL_abs(ob->bw) - sp->by + 1;
119 my = ob->y + FL_abs(ob->bw) + 1;
124 ww = (mx + sp->bw < ob->x + ob->w - FL_abs(ob->bw)) ?
125 sp->bw: ob->x + ob->w - FL_abs(ob->bw) - mx;
126 hh = (my + sp->bh < ob->y + ob->h - FL_abs(ob->bw)) ?
127 sp->bh: ob->y + ob->h - FL_abs(ob->bw) - my;
130 j = hh - ((lx) ? sp->dy+2*i: 0);
131 XCopyArea(fl_get_display(), sp->pix, fl_winget(), gc, xx, yy, ww, j, mx, my);
132 XFlush(fl_get_display());
134 XCopyArea(fl_get_display(), sp->pix, fl_winget(), gc, xx,
135 yy+j, lx*sp->dx-2*i, hh-j, mx, my+j);
136 XFlush(fl_get_display());
141 /* draw the grid if type > FLAT */
142 if (ob->type > FL_BMTABLE_FLAT) {
146 for (yy= ob->y; yy<= my; yy+= sp->dy) {
147 if (ob->boxtype!= FL_FLAT_BOX && (yy == ob->y || yy>my-sp->dy))
149 if (lx>0 && yy>= my-sp->dy - sp->dy/2)
151 fl_diagline(ob->x, yy, ww, 1, FL_BOTTOM_BCOL);
152 fl_diagline(ob->x, yy+1, ww-2, 1, FL_TOP_BCOL);
155 for (xx= ob->x; xx<= mx; xx+= sp->dx) {
156 if (ob->boxtype!= FL_FLAT_BOX && (xx == ob->x || xx>mx-sp->dx))
158 if (lx>0 && xx>= ob->x+lx*sp->dx)
159 hh = (sp->ny-1)*sp->dy;
160 fl_diagline(xx, ob->y, 1, hh, FL_RIGHT_BCOL);
161 fl_diagline(xx+1, ob->y+1, 1, hh-2, FL_LEFT_BCOL);
165 /* Simulate a pushed button */
166 if (ob->pushed && 0 <= sp->i && sp->i < sp->maxi) {
169 ww = sp->dx-2*FL_abs(ob->bw);
170 hh = sp->dy-2*FL_abs(ob->bw);
171 xx = ob->x + sp->dx*i + FL_abs(ob->bw);
172 yy = ob->y + sp->dy*j + FL_abs(ob->bw);
173 fl_drw_frame(FL_DOWN_FRAME, xx, yy, ww, hh, ob->col1, ob->bw);
178 int handle_bitmaptable(FL_OBJECT * ob, int event, FL_Coord mx,
179 FL_Coord my, int key, void * xev)
182 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
186 draw_bitmaptable(ob);
189 if (!ob->belowmouse) { /* This never happens. Why? */
191 fl_redraw_object(ob);
194 i = (mx - ob->x)/sp->dx; j = (my - ob->y)/sp->dy;
195 if (i>= 0 && i< sp->nx && j>= 0 && j< sp->ny) {
197 if (i >= sp->maxi) i = -1;
200 fl_redraw_object(ob);
206 i = (mx - ob->x)/sp->dx + ((my - ob->y)/sp->dy)*sp->nx;
207 if (0 <= i && i < sp->maxi) {
209 fl_redraw_object(ob);
214 fl_redraw_object(ob);
218 XFreePixmap(fl_get_display(), sp->pix);
219 XFlush(fl_get_display());
221 fl_free(((BMTABLE_SPEC*)ob->spec));
229 * The table has nx columns of dx width each and ny rows of dy height each.
230 * Initially the position of the firts item is supposed to be the same that
231 * the object position (x, y), and the number of items is supposed to be
234 * The user could change these later. See below.
236 void fl_set_bmtable_data(FL_OBJECT * ob, int nx, int ny, int bw, int bh,
237 unsigned char const * bdata)
239 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
243 sp->bx = FL_abs(ob->bw);
244 sp->by = FL_abs(ob->bw);
248 sp->maxi = sp->nx * sp->ny;
256 void fl_set_bmtable_pixmap_data(FL_OBJECT * ob, int nx, int ny,
259 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
261 Pixmap dummy_shapemask = 0;
262 XpmAttributes dumb_attributes = { 0 };
265 sp->bx = FL_abs(ob->bw);
266 sp->by = FL_abs(ob->bw);
270 sp->maxi = sp->nx * sp->ny;
272 dumb_attributes.colormap = fl_state[fl_get_vclass()].colormap;
273 dumb_attributes.closeness = 30000;
274 dumb_attributes.valuemask = XpmColormap | XpmCloseness;
275 if (XCreatePixmapFromData(fl_get_display(), fl_winget(), pdata,
276 &(sp->pix), &dummy_shapemask,
277 &dumb_attributes) == XpmSuccess) {
278 sp->bw = dumb_attributes.width;
279 sp->bh = dumb_attributes.height;
280 XpmFreeAttributes(&dumb_attributes);
281 if (dummy_shapemask) {
282 XFreePixmap(fl_get_display(), dummy_shapemask);
290 * This function works only for X11R6 or later
292 #if XlibSpecificationRelease > 5
294 void fl_set_bmtable_file(FL_OBJECT * ob, int nx, int ny, char const * filename)
300 unsigned char * bdata;
302 if (XReadBitmapFileData(filename, &bw, &bh,
303 &bdata, &xh, &yh) == BitmapSuccess)
304 fl_set_bmtable_data(ob, nx, ny, bw, bh, bdata);
305 XFlush(fl_get_display());
310 void fl_set_bmtable_file(FL_OBJECT * ob, int nx, int ny, char const * filename)
312 fprintf(stderr, "Set bmtable file: Sorry, I need X11 release 6 to do "
320 void fl_set_bmtable_pixmap_file(FL_OBJECT *ob, int nx, int ny, char const *filename)
322 /* extern Colormap color_map; */
323 BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
325 Pixmap dummy_shapemask = 0;
326 XpmAttributes dumb_attributes = { 0 };
329 sp->bx = FL_abs(ob->bw);
330 sp->by = FL_abs(ob->bw);
334 sp->maxi = sp->nx * sp->ny;
337 dumb_attributes.colormap = fl_state[fl_get_vclass()].colormap;
338 dumb_attributes.closeness = 30000;
339 dumb_attributes.valuemask = XpmColormap | XpmCloseness;
341 if (XReadPixmapFile(fl_get_display(), fl_winget(), (char *)filename,
342 &(sp->pix), &dummy_shapemask,
343 &dumb_attributes) == XpmSuccess) {
344 sp->bw = dumb_attributes.width;
345 sp->bh = dumb_attributes.height;
346 XpmFreeAttributes(&dumb_attributes);
347 if (dummy_shapemask) {
348 XFreePixmap(fl_get_display(), dummy_shapemask);
351 /* XFlush(fl_get_display()); */
357 * This function allows to adjust the position of the first item and its
358 * size (dx, dy). The input values are incremental, not absolute.
360 void fl_set_bmtable_adjust(FL_OBJECT *ob, int px, int py, int dx, int dy)
362 BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
372 * This function returns the table's selected position.
374 int fl_get_bmtable(FL_OBJECT *ob)
376 if ((BMTABLE_SPEC *)ob->spec)
377 return ((BMTABLE_SPEC *)ob->spec)->i;
384 * You can change the max number of items if you want.
386 void fl_set_bmtable_maxitems(FL_OBJECT * ob, int i)
388 if (i > 0 && (BMTABLE_SPEC *)ob->spec)
389 ((BMTABLE_SPEC *)ob->spec)->maxi = i;
393 int fl_get_bmtable_maxitems(FL_OBJECT * ob)
395 if ((BMTABLE_SPEC *)ob->spec)
396 return ((BMTABLE_SPEC *)ob->spec)->maxi;
402 void fl_replace_bmtable_item(FL_OBJECT * ob, int id, int cw, int ch, char * data)
404 fprintf(stderr, "Replace bmtable item: Sorry, not yet implemented!\n");
408 void fl_get_bmtable_item(FL_OBJECT * ob, int id, int * cw, int * ch, char * data)
410 fprintf(stderr, "Get bmtable item: Sorry, not yet implemented!\n");
413 void fl_set_bmtable(FL_OBJECT * ob, int pushed, int pos)
415 if ((BMTABLE_SPEC *)ob->spec)
416 ((BMTABLE_SPEC *)ob->spec)->i = (pushed) ? pos: -1;
420 int fl_get_bmtable_numb(FL_OBJECT *ob)
422 if ((BMTABLE_SPEC *)ob->spec)
423 return ((BMTABLE_SPEC *)ob->spec)->mousebut;
429 Pixmap fl_get_bmtable_pixmap(FL_OBJECT * ob)
431 if ((BMTABLE_SPEC *)ob->spec)
432 return ((BMTABLE_SPEC *)ob->spec)->pix;
438 void fl_draw_bmtable_item(FL_OBJECT * ob, int i, Drawable d, int xx, int yy)
444 GC gc = fl_state[fl_get_vclass()].gc[0];
445 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
448 x = (i % sp->nx)*sp->dx + FL_abs(ob->bw);
449 y = (i/sp->nx)*sp->dy + FL_abs(ob->bw);
450 w = sp->dx-2*FL_abs(ob->bw);
451 h = sp->dy-2*FL_abs(ob->bw);
452 XCopyArea(fl_get_display(), sp->pix, d, gc, x, y, w, h, xx, yy);
453 XFlush(fl_get_display());
457 /* Free the current bitmap and pixmap in preparation for installing a new one */
458 void fl_free_bmtable_bitmap(FL_OBJECT * ob)
460 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
462 /* dump the temporary pixmap */
464 XFreePixmap(fl_get_display(), sp->pix);
465 XFlush(fl_get_display());
469 /* and free the space taken by bdata etc. */
470 if (sp && sp->bdata) {
471 fl_free((void*)sp->bdata);
476 /* Free the current pixmap in preparation for installing a new one */
477 /* This is needed when using data instead of files to set bitmaps */
478 void fl_free_bmtable_pixmap(FL_OBJECT *ob)
480 BMTABLE_SPEC * sp = (BMTABLE_SPEC *)ob->spec;
482 /* dump the temporary pixmap */
484 XFreePixmap(fl_get_display(), sp->pix);
485 XFlush(fl_get_display());
490 #if defined(__cplusplus)