cinelerra-5.1/guicast/bctumble.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   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 2 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, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "bcpixmap.h"
  23 #include "bcresources.h"
  24 #include "bctextbox.h"
  25 #include "bctumble.h"
  26 #include "math.h"
  27 #include "vframe.h"
  28
  29
  30 #define TUMBLE_UP 0
  31 #define TUMBLE_UPHI 1
  32 #define TUMBLEBOTTOM_DN 2
  33 #define TUMBLETOP_DN 3
  34 #define TOTAL_STATES 4
  35
  36 BC_Tumbler::BC_Tumbler(int x, int y, VFrame **data)
  37  : BC_SubWindow(x, y, 0, 0, -1)
  38 {
  39         for(int i = 0; i < TOTAL_STATES; i++)
  40                 images[i] = 0;
  41         status = TUMBLE_UP;
  42         repeat_count = 0;
  43         this->data = data;
  44 }
  45
  46
  47 BC_Tumbler::~BC_Tumbler()
  48 {
  49         for(int i = 0; i < TOTAL_STATES; i ++)
  50                 delete images[i];
  51 }
  52
  53
  54 int BC_Tumbler::calculate_w()
  55 {
  56         return BC_WindowBase::get_resources()->tumble_data[0]->get_w();
  57 }
  58
  59 int BC_Tumbler::calculate_h()
  60 {
  61         return BC_WindowBase::get_resources()->tumble_data[0]->get_h();
  62 }
  63
  64
  65 int BC_Tumbler::initialize()
  66 {
  67 // Get the image
  68         if(data)
  69                 set_images(data);
  70         else
  71                 set_images(get_resources()->tumble_data);
  72         w = images[TUMBLE_UP]->get_w();
  73         h = images[TUMBLE_UP]->get_h();
  74
  75 // Create the subwindow
  76         BC_SubWindow::initialize();
  77
  78 // Display the bitmap
  79         draw_face(0);
  80         return 0;
  81 }
  82
  83 int BC_Tumbler::reposition_window(int x, int y, int w, int h)
  84 {
  85         if (w > 0 || h > 0)
  86                 printf("BC_Tumbler::reposition_window - w & h haven't been implemented yet!! (probably never will be)");
  87
  88         BC_WindowBase::reposition_window(x, y);
  89         draw_face(0);
  90         return 0;
  91 }
  92
  93
  94 int BC_Tumbler::update_bitmaps(VFrame **data)
  95 {
  96         set_images(data);
  97         draw_top_background(parent_window, 0, 0, w, h);
  98         draw_face(1);
  99         return 0;
 100 }
 101
 102 int BC_Tumbler::set_images(VFrame **data)
 103 {
 104         for(int i = 0; i < TOTAL_STATES; i++)
 105         {
 106                 if(images[i]) delete images[i];
 107                 images[i] = new BC_Pixmap(parent_window, data[i], PIXMAP_ALPHA);
 108         }
 109
 110         return 0;
 111 }
 112
 113 int BC_Tumbler::draw_face(int flush)
 114 {
 115         draw_top_background(parent_window, 0, 0, w, h);
 116         pixmap->draw_pixmap(images[status],
 117                         0,
 118                         0,
 119                         w,
 120                         h,
 121                         0,
 122                         0);
 123         flash(flush);
 124         return 0;
 125 }
 126
 127 int BC_Tumbler::repeat_event(int64_t duration)
 128 {
 129 //printf("BC_Tumbler::repeat_event 1 %d\n", duration);
 130         if(duration == top_level->get_resources()->tooltip_delay)
 131         {
 132                 if(tooltip_text && tooltip_text[0] != 0 &&
 133                         status == TUMBLE_UPHI)
 134                 {
 135                         show_tooltip();
 136                         return 1;
 137                 }
 138         }
 139         else
 140         if(duration == top_level->get_resources()->tumble_duration)
 141         {
 142 //printf("BC_Tumbler::repeat_event 2\n");
 143                 repeat_count++;
 144 // delay the 1st repeat
 145                 if(repeat_count > 1 && repeat_count < 5) return 0;
 146                 if(status == TUMBLETOP_DN)
 147                 {
 148                         handle_up_event();
 149                         return 1;
 150                 }
 151                 else
 152                 if(status == TUMBLEBOTTOM_DN)
 153                 {
 154                         handle_down_event();
 155                         return 1;
 156                 }
 157         }
 158         return 0;
 159 }
 160
 161 int BC_Tumbler::cursor_enter_event()
 162 {
 163         if(top_level->event_win == win)
 164         {
 165                 if(! top_level->button_down && status == TUMBLE_UP)
 166                 {
 167                         status = TUMBLE_UPHI;
 168                         draw_face(1);
 169                 }
 170         }
 171         return 0;
 172 }
 173
 174 int BC_Tumbler::cursor_leave_event()
 175 {
 176         hide_tooltip();
 177         if(status == TUMBLE_UPHI)
 178         {
 179                 status = TUMBLE_UP;
 180                 draw_face(1);
 181         }
 182         return 0;
 183 }
 184
 185 int BC_Tumbler::button_press_event()
 186 {
 187         hide_tooltip();
 188         if(top_level->event_win == win)
 189         {
 190 //printf("BC_Tumbler::button_press_event 1 %d\n", get_buttonpress());
 191                 if(get_buttonpress() == 4)
 192                 {
 193                         status = TUMBLETOP_DN;
 194                         draw_face(1);
 195                         handle_up_event();
 196 //                      repeat_count = 0;
 197 //                      repeat_event(top_level->get_resources()->tumble_duration);
 198                 }
 199                 else
 200                 if(get_buttonpress() == 5)
 201                 {
 202                         status = TUMBLEBOTTOM_DN;
 203                         draw_face(1);
 204                         handle_down_event();
 205 //                      repeat_count = 0;
 206 //                      repeat_event(top_level->get_resources()->tumble_duration);
 207                 }
 208                 else
 209                 {
 210                         if(top_level->cursor_y < get_h() / 2)
 211                         {
 212                                 status = TUMBLETOP_DN;
 213                         }
 214                         else
 215                         {
 216                                 status = TUMBLEBOTTOM_DN;
 217                         }
 218
 219                         draw_face(1);
 220
 221                         top_level->set_repeat(top_level->get_resources()->tumble_duration);
 222                         repeat_count = 0;
 223                         repeat_event(top_level->get_resources()->tumble_duration);
 224 //printf("BC_Tumbler::button_press_event 2 %d\n", get_buttonpress());
 225                 }
 226                 return 1;
 227         }
 228         return 0;
 229 }
 230
 231 int BC_Tumbler::button_release_event()
 232 {
 233         hide_tooltip();
 234         if(top_level->event_win == win)
 235         {
 236                 if(status == TUMBLEBOTTOM_DN || status == TUMBLETOP_DN)
 237                 {
 238                         top_level->unset_repeat(top_level->get_resources()->tumble_duration);
 239                         if(cursor_inside())
 240                                 status = TUMBLE_UPHI;
 241                         else
 242                                 status = TUMBLE_UP;
 243                 }
 244                 draw_face(1);
 245         }
 246         return 0;
 247 }
 248
 249 int BC_Tumbler::cursor_motion_event()
 250 {
 251         if(top_level->button_down && top_level->event_win == win &&
 252                 !cursor_inside() &&
 253                 !(status == TUMBLETOP_DN || status == TUMBLEBOTTOM_DN))
 254         {
 255                 status = TUMBLE_UP;
 256                 draw_face(1);
 257         }
 258         return 0;
 259 }
 260
 261
 262
 263
 264 BC_ITumbler::BC_ITumbler(BC_TextBox *textbox, int64_t min, int64_t max, int x, int y)
 265  : BC_Tumbler(x, y)
 266 {
 267         this->textbox = textbox;
 268         this->min = min;
 269         this->max = max;
 270         this->increment = 1;
 271 }
 272
 273 BC_ITumbler::~BC_ITumbler()
 274 {
 275 }
 276
 277 void BC_ITumbler::set_increment(float value)
 278 {
 279         this->increment = (int64_t)value;
 280         if(increment < 1) increment = 1;
 281 }
 282
 283 int BC_ITumbler::handle_up_event()
 284 {
 285         int64_t value = atol(textbox->get_text());
 286         value += increment;
 287         if(value > max) value = max;
 288         textbox->update(value);
 289         textbox->handle_event();
 290         return 1;
 291 }
 292
 293 int BC_ITumbler::handle_down_event()
 294 {
 295         int64_t value = atol(textbox->get_text());
 296         value -= increment;
 297         if(value < min) value = min;
 298         textbox->update(value);
 299         textbox->handle_event();
 300         return 1;
 301 }
 302
 303 void BC_ITumbler::set_boundaries(int64_t min, int64_t max)
 304 {
 305         this->min = min;
 306         this->max = max;
 307 }
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318 BC_FTumbler::BC_FTumbler(BC_TextBox *textbox,
 319         float min,
 320         float max,
 321         int x,
 322         int y)
 323  : BC_Tumbler(x, y)
 324 {
 325         this->textbox = textbox;
 326         this->min = min;
 327         this->max = max;
 328         this->increment = 1.0;
 329         this->log_floatincrement = 0;
 330 }
 331
 332 BC_FTumbler::~BC_FTumbler()
 333 {
 334 }
 335
 336 int BC_FTumbler::handle_up_event()
 337 {
 338         float value = atof(textbox->get_text());
 339         if (log_floatincrement) {
 340                 // round off to to current precision (i.e. 250 -> 200)
 341                 float cp = floor(log(value)/log(10) + 0.0001);
 342                 value = floor((value/pow(10,cp))+ 0.0001)*pow(10,cp);
 343                 value += pow(10,cp);
 344         }
 345         else
 346         value += increment;
 347         if(value > max) value = max;
 348         textbox->update(value);
 349         textbox->handle_event();
 350         return 1;
 351 }
 352
 353 int BC_FTumbler::handle_down_event()
 354 {
 355         float value = atof(textbox->get_text());
 356         if (log_floatincrement) {
 357                 // round off to to current precision (i.e. 250 -> 200)
 358                 float cp = floor(log(value)/log(10));
 359                 value = floor(value/pow(10,cp))*pow(10,cp);
 360                 // Need to make it so that: [.001 .01 .1 1 10 100] => [.0001 .001 .01 .1 1 10]
 361                 cp = floor(log(value)/log(10)-.01);
 362                 value -= pow(10,cp);
 363         }
 364         else
 365         value -= increment;
 366         if(value < min) value = min;
 367         textbox->update(value);
 368         textbox->handle_event();
 369         return 1;
 370 }
 371
 372 void BC_FTumbler::set_boundaries(float min, float max)
 373 {
 374         this->min = min;
 375         this->max = max;
 376 }
 377
 378 void BC_FTumbler::set_increment(float value)
 379 {
 380         this->increment = value;
 381 }
 382
 383 void BC_FTumbler::set_log_floatincrement(int value)
 384 {
 385         this->log_floatincrement = value;
 386 }