apps/zde/icon.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   5  *
   6  *  This program is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20
  21 #include <fcntl.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <stdlib.h>
  25 #include <pthread.h>
  26 #include <libx/base.h>
  27 #include <libx/object.h>
  28 #include <libx/image.h>
  29 #include <libx/cursor.h>
  30 #include <libx/text.h>
  31
  32 #include "icon.h"
  33 #include "cursor.h"
  34 #include "window.h"
  35 #include "handler.h"
  36
  37 unsigned short *bitmap_folder;
  38 unsigned short *bitmap_file;
  39
  40 zde_icon_t zde_icon_list;
  41
  42 extern zde_cursor_t *zde_cursor;
  43
  44 zde_icon_t *create_icon (char *name, int type, void *(*entry) (void *), void *arg)
  45 {
  46         zde_icon_t *icon = (zde_icon_t *) malloc (sizeof (zde_icon_t));
  47
  48         if (!icon)
  49                 return 0;
  50
  51         if (type == 0) {
  52                 icon->arg = arg;
  53
  54                 icon->bitmap = bitmap_folder;
  55         } else
  56                 icon->bitmap = 0;
  57
  58         icon->name_len = strlen (name);
  59         icon->name = strdup (name);
  60         icon->entry = entry;
  61
  62         icon->object = 0;
  63
  64         /* add into list */
  65         icon->next = &zde_icon_list;
  66         icon->prev = zde_icon_list.prev;
  67
  68         icon->x = 14;
  69         icon->y = icon->prev->y + 54;
  70
  71         icon->prev->next = icon;
  72         icon->next->prev = icon;
  73
  74         return icon;
  75 }
  76
  77 zde_icon_t *create_icon_window (char *name, int type, void *(*entry) (void *), void *arg, zde_win_t *window)
  78 {
  79         if (!window)
  80                 return 0;
  81
  82         zde_icon_t *icon = (zde_icon_t *) malloc (sizeof (zde_icon_t));
  83
  84         if (!icon)
  85                 return 0;
  86
  87         icon->x = window->x + 14 + (window->objectid * 40);
  88         icon->y = window->y + 28;
  89
  90         window->objectid ++;
  91
  92         char *s = 0;
  93         unsigned arg_len;
  94         unsigned name_len;
  95
  96         switch (type) {
  97                 case 0:
  98                         arg_len = strlen ((char *) arg);
  99                         name_len = strlen (name);
 100
 101                         icon->arg = malloc (arg_len + name_len + 2);
 102
 103                         if (!icon->arg)
 104                                 return 0;
 105
 106                         s = icon->arg;
 107
 108                         memcpy (s, arg, arg_len);
 109                         memcpy (s+arg_len, "/", 1);
 110                         memcpy (s+arg_len+1, name, name_len);
 111                         s[arg_len+name_len+1] = '\0';
 112
 113                         icon->bitmap = bitmap_folder;
 114                         break;
 115                 case 1:
 116                         arg_len = strlen ((char *) arg);
 117                         name_len = strlen (name);
 118
 119                         icon->arg = malloc (arg_len + name_len + 2);
 120
 121                         if (!icon->arg)
 122                                 return 0;
 123
 124                         s = icon->arg;
 125
 126                         memcpy (s, arg, arg_len);
 127                         memcpy (s+arg_len, "/", 1);
 128                         memcpy (s+arg_len+1, name, name_len);
 129                         s[arg_len+name_len+1] = '\0';
 130
 131                         icon->bitmap = bitmap_file;
 132                         break;
 133         }
 134
 135
 136         icon->name_len = strlen (name);
 137         icon->name = strdup (name);
 138         icon->entry = entry;
 139         icon->object = (void *) window;
 140
 141         /* add into list */
 142         icon->next = &zde_icon_list;
 143         icon->prev = zde_icon_list.prev;
 144         icon->prev->next = icon;
 145         icon->next->prev = icon;
 146
 147         return icon;
 148 }
 149
 150 unsigned destroy_icon_window (zde_win_t *window)
 151 {
 152         unsigned i;
 153
 154         while (1) {
 155                 i = 0;
 156
 157                 zde_icon_t *icon;
 158                 for (icon = zde_icon_list.next; icon != &zde_icon_list; icon = icon->next) {
 159                         if (icon->object == (void *) window) {
 160                                 icon->next->prev = icon->prev;
 161                                 icon->prev->next = icon->next;
 162
 163                                 free (icon);
 164
 165                                 i = 1;
 166                                 break;
 167                         }
 168                 }
 169
 170                 if (!i)
 171                         break;
 172         }
 173
 174         return 1;
 175 }
 176
 177 static void draw_bitmap (unsigned short *bitmap, unsigned short x, unsigned short y)
 178 {
 179         unsigned i = 0;
 180         unsigned j = 0;
 181         unsigned k = 0;
 182         unsigned pix = 0;
 183
 184         for (i = 0; i < 32*32; i ++) {
 185                 if (k >= 32) {
 186                         j ++;
 187                         k = 0;
 188                 }
 189
 190                 pix = (1024-i)+34;
 191
 192                 if (pix > 2100)
 193                         continue;
 194
 195                 if (bitmap[pix] != (unsigned short) 0)
 196                 if (k <= 32 && j <= 32)
 197                         xpixel ((unsigned) x+k, (unsigned) y+j, (unsigned) bitmap[pix]);
 198
 199                 k ++;
 200         }
 201 }
 202
 203 int draw_icon_desktop ()
 204 {
 205         zde_icon_t *icon;
 206         for (icon = zde_icon_list.next; icon != &zde_icon_list; icon = icon->next) {
 207                 if (icon->object)
 208                         continue;
 209
 210                 /* we click on left button */
 211                 if (zde_cursor->state == XCURSOR_STATE_LBUTTON) {
 212                 if (!(zde_cursor->flags & CURSOR_FLAG_LBCLICK))
 213                 if (!(zde_cursor->flags & CURSOR_FLAG_MOVE))
 214                         if (zde_cursor->x >= icon->x && zde_cursor->x <= icon->x+32)
 215                         if (zde_cursor->y >= icon->y && zde_cursor->y <= icon->y+32) {
 216                                 zde_cursor->state = 0;
 217                                 zde_cursor->flags |= CURSOR_FLAG_LBCLICK;
 218
 219                                 pthread_t thread;
 220
 221                                 pthread_create (&thread, NULL, icon->entry, icon->arg);
 222                         }
 223                 }
 224
 225                 /* 32x32 bitmap */
 226                 if (icon->bitmap)
 227                         draw_bitmap (icon->bitmap, icon->x, icon->y);
 228                 else
 229                         xrectfill (icon->x, icon->y, icon->x+32, icon->y+32, ~0);
 230
 231                 if (icon->name)
 232                         xtext_puts (icon->x-(icon->name_len*3)+16, icon->y+35, ~0, icon->name);
 233         }
 234
 235         return 0;
 236 }
 237
 238 int draw_icon_window (zde_win_t *window)
 239 {
 240         unsigned obj = 0;
 241         unsigned obj_x = 0;
 242         unsigned obj_y = 0;
 243
 244         zde_icon_t *icon;
 245         for (icon = zde_icon_list.next; icon != &zde_icon_list; icon = icon->next) {
 246                 if (icon->object != (void *) window)
 247                         continue;
 248
 249                 /* update icon position */
 250                 icon->x = window->x + 14 + obj_x;
 251                 icon->y = window->y + 28 + obj_y;
 252
 253                 obj ++;
 254
 255                 obj_x += 48;
 256
 257                 if (icon->x >= window->x+window->sizex-48) {
 258                         obj_x = 0;
 259                         obj_y += 50;
 260                 }
 261
 262                 /* we click on left button */
 263                 if (zde_cursor->state == XCURSOR_STATE_LBUTTON) {
 264                 if (!(zde_cursor->flags & CURSOR_FLAG_LBCLICK))
 265                 if (!(zde_cursor->flags & CURSOR_FLAG_MOVE))
 266                         if (zde_cursor->x >= icon->x && zde_cursor->x <= icon->x+32)
 267                         if (zde_cursor->y >= icon->y && zde_cursor->y <= icon->y+32) {
 268                                 if (isactive_window () != window)
 269                                         continue;
 270
 271                                 zde_cursor->state = 0;
 272                                 zde_cursor->flags |= CURSOR_FLAG_LBCLICK;
 273
 274                                 pthread_t thread;
 275
 276                                 pthread_create (&thread, NULL, icon->entry, icon->arg);
 277                         }
 278                 }
 279
 280                 /* 32x32 bitmap */
 281                 if (icon->bitmap)
 282                         draw_bitmap (icon->bitmap, icon->x, icon->y);
 283                 else
 284                         xrectfill (icon->x, icon->y, icon->x+32, icon->y+32, ~0);
 285
 286                 if (icon->name)
 287                         xtext_puts (icon->x-(icon->name_len*3)+16, icon->y+35, 0, icon->name);
 288         }
 289
 290         return 0;
 291 }
 292
 293 unsigned short *load_icon (char *filename)
 294 {
 295         /* FOLDER bitmap */
 296         unsigned short *bitmap = (unsigned short *) malloc (2120);
 297
 298         if (!bitmap)
 299                 return 0;
 300
 301         memset (bitmap, 0, 2048+70);
 302
 303         // open icon bitmap
 304         int fd = open (filename, O_RDONLY);
 305
 306         if (!fd) {
 307                 printf ("error -> file '%s' not found\n", filename);
 308                 return 0;
 309         }
 310
 311         /* read icon bitmap data */
 312         if (!read (fd, (unsigned char *) bitmap, 2048+70)) {
 313                 puts ("error -> something was wrong !\n");
 314                 return 0;
 315         }
 316
 317         return bitmap;
 318 }
 319
 320 int init_icon ()
 321 {
 322         zde_icon_list.next = &zde_icon_list;
 323         zde_icon_list.prev = &zde_icon_list;
 324
 325         zde_icon_list.prev->x = 0;
 326         zde_icon_list.prev->y = 0;
 327
 328         /* FOLDER bitmap */
 329         bitmap_folder = load_icon ("folder");
 330
 331         if (!bitmap_folder)
 332                 return -1;
 333
 334         /* FILE bitmap */
 335         bitmap_file = load_icon ("file");
 336
 337         if (!bitmap_file)
 338                 return -1;
 339
 340         /* create test icon */
 341         create_icon ("Filesystem", 0, handler_icon_filesystem, "");
 342
 343         /* create test icon */
 344         create_icon ("Terminal", 0, handler_icon_terminal, "");
 345
 346         return 0;
 347 }