| 1 | |
| 2 | #include "Drawing.h" |
| 3 | #include <gtk/gtk.h> |
| 4 | #include <gdk/gdk.h> |
| 5 | |
| 6 | #include <lttv/processTrace.h> |
| 7 | |
| 8 | /***************************************************************************** |
| 9 | * Drawing functions * |
| 10 | *****************************************************************************/ |
| 11 | |
| 12 | //FIXME Colors will need to be dynamic. Graphic context part not done so far. |
| 13 | typedef enum |
| 14 | { |
| 15 | RED, |
| 16 | GREEN, |
| 17 | BLUE, |
| 18 | WHITE, |
| 19 | BLACK |
| 20 | |
| 21 | } ControlFlowColors; |
| 22 | |
| 23 | /* Vector of unallocated colors */ |
| 24 | static GdkColor CF_Colors [] = |
| 25 | { |
| 26 | { 0, 0xffff, 0x0000, 0x0000 }, // RED |
| 27 | { 0, 0x0000, 0xffff, 0x0000 }, // GREEN |
| 28 | { 0, 0x0000, 0x0000, 0xffff }, // BLUE |
| 29 | { 0, 0xffff, 0xffff, 0xffff }, // WHITE |
| 30 | { 0, 0x0000, 0x0000, 0x0000 } // BLACK |
| 31 | }; |
| 32 | |
| 33 | |
| 34 | struct _Drawing_t { |
| 35 | GtkWidget *Drawing_Area_V; |
| 36 | GdkPixmap *Pixmap; |
| 37 | |
| 38 | gint height, width, depth; |
| 39 | |
| 40 | }; |
| 41 | |
| 42 | /* Function responsible for updating the exposed area. |
| 43 | * It must call processTrace() to ask for this update. |
| 44 | */ |
| 45 | void Drawing_Data_Request(Drawing_t *Drawing, |
| 46 | GdkPixmap *Pixmap, |
| 47 | gint x, gint y, |
| 48 | gint width, |
| 49 | gint height) |
| 50 | { |
| 51 | if(width < 0) return ; |
| 52 | if(height < 0) return ; |
| 53 | |
| 54 | gdk_draw_rectangle (Pixmap, |
| 55 | Drawing->Drawing_Area_V->style->white_gc, |
| 56 | TRUE, |
| 57 | x, y, |
| 58 | width, // do not overlap |
| 59 | height); |
| 60 | |
| 61 | Drawing_draw_line(Drawing, Pixmap, 10, 10, 50, 10, |
| 62 | Drawing->Drawing_Area_V->style->black_gc); |
| 63 | |
| 64 | |
| 65 | } |
| 66 | |
| 67 | /* Callbacks */ |
| 68 | |
| 69 | |
| 70 | /* Create a new backing pixmap of the appropriate size */ |
| 71 | static gboolean |
| 72 | configure_event( GtkWidget *widget, GdkEventConfigure *event, |
| 73 | gpointer user_data) |
| 74 | { |
| 75 | Drawing_t *Drawing = (Drawing_t*)user_data; |
| 76 | |
| 77 | GdkPixmap *Pixmap = gdk_pixmap_new(widget->window, |
| 78 | widget->allocation.width, |
| 79 | widget->allocation.height, |
| 80 | -1); |
| 81 | |
| 82 | if(Drawing->Pixmap == NULL) |
| 83 | { |
| 84 | Drawing->Pixmap = gdk_pixmap_new(widget->window, |
| 85 | widget->allocation.width, |
| 86 | widget->allocation.height, |
| 87 | -1); |
| 88 | Drawing->width = widget->allocation.width; |
| 89 | Drawing->height = widget->allocation.height; |
| 90 | |
| 91 | /* Initial data request */ |
| 92 | Drawing_Data_Request(Drawing, Drawing->Pixmap, 0, 0, |
| 93 | widget->allocation.width, |
| 94 | widget->allocation.height); |
| 95 | |
| 96 | } |
| 97 | // /* Draw empty background */ |
| 98 | // gdk_draw_rectangle (Pixmap, |
| 99 | // widget->style->black_gc, |
| 100 | // TRUE, |
| 101 | // 0, 0, |
| 102 | // widget->allocation.width, |
| 103 | // widget->allocation.height); |
| 104 | |
| 105 | /* Copy old data to new pixmap */ |
| 106 | gdk_draw_drawable (Pixmap, |
| 107 | widget->style->white_gc, |
| 108 | Drawing->Pixmap, |
| 109 | 0, 0, |
| 110 | 0, 0, |
| 111 | -1, -1); |
| 112 | |
| 113 | /* Request data for missing space */ |
| 114 | Drawing_Data_Request(Drawing, Pixmap, Drawing->width, 0, |
| 115 | widget->allocation.width - Drawing->width, |
| 116 | widget->allocation.height); |
| 117 | Drawing_Data_Request(Drawing, Pixmap, 0, Drawing->height, |
| 118 | Drawing->width, |
| 119 | widget->allocation.height - Drawing->height); |
| 120 | |
| 121 | // gdk_draw_rectangle (Pixmap, |
| 122 | // widget->style->white_gc, |
| 123 | // TRUE, |
| 124 | // Drawing->width, 0, |
| 125 | // widget->allocation.width - |
| 126 | // Drawing->width, |
| 127 | // widget->allocation.height); |
| 128 | |
| 129 | // gdk_draw_rectangle (Pixmap, |
| 130 | // widget->style->white_gc, |
| 131 | // TRUE, |
| 132 | // 0, Drawing->height, |
| 133 | // Drawing->width, // do not overlap |
| 134 | // widget->allocation.height - |
| 135 | // Drawing->height); |
| 136 | |
| 137 | |
| 138 | |
| 139 | g_critical("drawing configure event"); |
| 140 | |
| 141 | |
| 142 | if (Drawing->Pixmap) |
| 143 | gdk_pixmap_unref(Drawing->Pixmap); |
| 144 | |
| 145 | Drawing->Pixmap = Pixmap; |
| 146 | Drawing->width = widget->allocation.width; |
| 147 | Drawing->height = widget->allocation.height; |
| 148 | |
| 149 | return TRUE; |
| 150 | } |
| 151 | |
| 152 | |
| 153 | /* Redraw the screen from the backing pixmap */ |
| 154 | static gboolean |
| 155 | expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data ) |
| 156 | { |
| 157 | Drawing_t *Drawing = (Drawing_t*)user_data; |
| 158 | g_critical("drawing expose event"); |
| 159 | |
| 160 | gdk_draw_pixmap(widget->window, |
| 161 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
| 162 | Drawing->Pixmap, |
| 163 | event->area.x, event->area.y, |
| 164 | event->area.x, event->area.y, |
| 165 | event->area.width, event->area.height); |
| 166 | |
| 167 | return FALSE; |
| 168 | } |
| 169 | |
| 170 | Drawing_t *Drawing_construct(void) |
| 171 | { |
| 172 | Drawing_t *Drawing = g_new(Drawing_t, 1); |
| 173 | |
| 174 | Drawing->Drawing_Area_V = gtk_drawing_area_new (); |
| 175 | |
| 176 | //gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50); |
| 177 | g_object_set_data_full( |
| 178 | G_OBJECT(Drawing->Drawing_Area_V), |
| 179 | "Link_Drawing_Data", |
| 180 | Drawing, |
| 181 | (GDestroyNotify)Drawing_destroy); |
| 182 | |
| 183 | //gtk_widget_modify_bg( Drawing->Drawing_Area_V, |
| 184 | // GTK_STATE_NORMAL, |
| 185 | // &CF_Colors[BLACK]); |
| 186 | |
| 187 | //gdk_window_get_geometry(Drawing->Drawing_Area_V->window, |
| 188 | // NULL, NULL, |
| 189 | // &(Drawing->width), |
| 190 | // &(Drawing->height), |
| 191 | // -1); |
| 192 | |
| 193 | //Drawing->Pixmap = gdk_pixmap_new( |
| 194 | // Drawing->Drawing_Area_V->window, |
| 195 | // Drawing->width, |
| 196 | // Drawing->height, |
| 197 | // Drawing->depth); |
| 198 | |
| 199 | Drawing->Pixmap = NULL; |
| 200 | |
| 201 | // Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window, |
| 202 | // Drawing->Drawing_Area_V->allocation.width, |
| 203 | // Drawing->Drawing_Area_V->allocation.height, |
| 204 | // -1); |
| 205 | |
| 206 | |
| 207 | g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V), |
| 208 | "configure_event", |
| 209 | G_CALLBACK (configure_event), |
| 210 | (gpointer)Drawing); |
| 211 | |
| 212 | g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V), |
| 213 | "expose_event", |
| 214 | G_CALLBACK (expose_event), |
| 215 | (gpointer)Drawing); |
| 216 | |
| 217 | return Drawing; |
| 218 | } |
| 219 | |
| 220 | void Drawing_destroy(Drawing_t *Drawing) |
| 221 | { |
| 222 | |
| 223 | // Do not unref here, Drawing_t destroyed by it's widget. |
| 224 | //g_object_unref( G_OBJECT(Drawing->Drawing_Area_V)); |
| 225 | |
| 226 | g_free(Drawing); |
| 227 | } |
| 228 | |
| 229 | GtkWidget *Drawing_getWidget(Drawing_t *Drawing) |
| 230 | { |
| 231 | return Drawing->Drawing_Area_V; |
| 232 | } |
| 233 | |
| 234 | /* get_time_from_pixels |
| 235 | * |
| 236 | * Get the time interval from window time and pixels, and pixels requested. This |
| 237 | * function uses TimeMul, which should only be used if the float value is lower |
| 238 | * that 4, and here it's always lower than 1, so it's ok. |
| 239 | */ |
| 240 | void convert_pixels_to_time( |
| 241 | Drawing_t *Drawing, |
| 242 | guint x, |
| 243 | LttTime *window_time_begin, |
| 244 | LttTime *window_time_end, |
| 245 | LttTime *time) |
| 246 | { |
| 247 | LttTime window_time_interval; |
| 248 | |
| 249 | TimeSub(window_time_interval, *window_time_end, *window_time_begin); |
| 250 | |
| 251 | |
| 252 | TimeMul(*time, window_time_interval, |
| 253 | (x/(float)Drawing->width)); |
| 254 | TimeAdd(*time, *window_time_begin, *time); |
| 255 | |
| 256 | } |
| 257 | |
| 258 | |
| 259 | |
| 260 | void convert_time_to_pixels( |
| 261 | LttTime window_time_begin, |
| 262 | LttTime window_time_end, |
| 263 | LttTime time, |
| 264 | Drawing_t *Drawing, |
| 265 | guint *x) |
| 266 | { |
| 267 | LttTime window_time_interval; |
| 268 | float interval_float, time_float; |
| 269 | |
| 270 | TimeSub(window_time_interval, window_time_end, window_time_begin); |
| 271 | |
| 272 | TimeSub(time, time, window_time_begin); |
| 273 | |
| 274 | interval_float = (window_time_interval.tv_sec * NANSECOND_CONST) |
| 275 | + window_time_interval.tv_nsec; |
| 276 | time_float = (time.tv_sec * NANSECOND_CONST) |
| 277 | + time.tv_nsec; |
| 278 | |
| 279 | *x = (guint)(time_float/interval_float * Drawing->width); |
| 280 | |
| 281 | } |
| 282 | |
| 283 | void Drawing_Refresh ( Drawing_t *Drawing, |
| 284 | guint x, guint y, |
| 285 | guint width, guint height) |
| 286 | { |
| 287 | gdk_draw_drawable( |
| 288 | Drawing->Drawing_Area_V->window, |
| 289 | Drawing->Drawing_Area_V-> |
| 290 | style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)], |
| 291 | GDK_DRAWABLE(Drawing->Pixmap), |
| 292 | x, y, |
| 293 | x, y, |
| 294 | width, height); |
| 295 | } |
| 296 | |
| 297 | |
| 298 | void Drawing_draw_line( Drawing_t *Drawing, |
| 299 | GdkPixmap *Pixmap, |
| 300 | guint x1, guint y1, |
| 301 | guint x2, guint y2, |
| 302 | GdkGC *GC) |
| 303 | { |
| 304 | gdk_draw_line (Pixmap, |
| 305 | GC, |
| 306 | x1, y1, x2, y2); |
| 307 | } |
| 308 | |
| 309 | |
| 310 | |
| 311 | |
| 312 | void Drawing_Resize(Drawing_t *Drawing, guint h, guint w) |
| 313 | { |
| 314 | Drawing->height = h ; |
| 315 | Drawing->width = w ; |
| 316 | |
| 317 | gtk_widget_set_size_request ( Drawing->Drawing_Area_V, |
| 318 | Drawing->width, |
| 319 | Drawing->height); |
| 320 | |
| 321 | |
| 322 | } |
| 323 | |
| 324 | |
| 325 | /* Insert a square corresponding to a new process in the list */ |
| 326 | /* Applies to whole Drawing->width */ |
| 327 | void Drawing_Insert_Square(Drawing_t *Drawing, |
| 328 | guint y, |
| 329 | guint height) |
| 330 | { |
| 331 | GdkRectangle update_rect; |
| 332 | |
| 333 | /* Allocate a new pixmap with new height */ |
| 334 | GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window, |
| 335 | Drawing->width, |
| 336 | Drawing->height + height, |
| 337 | -1); |
| 338 | |
| 339 | /* Copy the high region */ |
| 340 | gdk_draw_drawable (Pixmap, |
| 341 | Drawing->Drawing_Area_V->style->black_gc, |
| 342 | Drawing->Pixmap, |
| 343 | 0, 0, |
| 344 | 0, 0, |
| 345 | Drawing->width, y); |
| 346 | |
| 347 | |
| 348 | |
| 349 | |
| 350 | /* add an empty square */ |
| 351 | gdk_draw_rectangle (Pixmap, |
| 352 | Drawing->Drawing_Area_V->style->black_gc, |
| 353 | TRUE, |
| 354 | 0, y, |
| 355 | Drawing->width, // do not overlap |
| 356 | height); |
| 357 | |
| 358 | |
| 359 | |
| 360 | /* copy the bottom of the region */ |
| 361 | gdk_draw_drawable (Pixmap, |
| 362 | Drawing->Drawing_Area_V->style->black_gc, |
| 363 | Drawing->Pixmap, |
| 364 | 0, y, |
| 365 | 0, y + height, |
| 366 | Drawing->width, Drawing->height - y); |
| 367 | |
| 368 | |
| 369 | |
| 370 | |
| 371 | if (Drawing->Pixmap) |
| 372 | gdk_pixmap_unref(Drawing->Pixmap); |
| 373 | |
| 374 | Drawing->Pixmap = Pixmap; |
| 375 | |
| 376 | Drawing->height+=height; |
| 377 | |
| 378 | /* Rectangle to update, from new Drawing dimensions */ |
| 379 | update_rect.x = 0 ; |
| 380 | update_rect.y = y ; |
| 381 | update_rect.width = Drawing->width; |
| 382 | update_rect.height = Drawing->height - y ; |
| 383 | gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect); |
| 384 | } |
| 385 | |
| 386 | |
| 387 | /* Remove a square corresponding to a removed process in the list */ |
| 388 | void Drawing_Remove_Square(Drawing_t *Drawing, |
| 389 | guint y, |
| 390 | guint height) |
| 391 | { |
| 392 | GdkRectangle update_rect; |
| 393 | |
| 394 | /* Allocate a new pixmap with new height */ |
| 395 | GdkPixmap *Pixmap = gdk_pixmap_new( |
| 396 | Drawing->Drawing_Area_V->window, |
| 397 | Drawing->width, |
| 398 | Drawing->height - height, |
| 399 | -1); |
| 400 | |
| 401 | /* Copy the high region */ |
| 402 | gdk_draw_drawable (Pixmap, |
| 403 | Drawing->Drawing_Area_V->style->black_gc, |
| 404 | Drawing->Pixmap, |
| 405 | 0, 0, |
| 406 | 0, 0, |
| 407 | Drawing->width, y); |
| 408 | |
| 409 | |
| 410 | |
| 411 | /* Copy up the bottom of the region */ |
| 412 | gdk_draw_drawable (Pixmap, |
| 413 | Drawing->Drawing_Area_V->style->black_gc, |
| 414 | Drawing->Pixmap, |
| 415 | 0, y + height, |
| 416 | 0, y, |
| 417 | Drawing->width, Drawing->height - y - height); |
| 418 | |
| 419 | |
| 420 | if (Drawing->Pixmap) |
| 421 | gdk_pixmap_unref(Drawing->Pixmap); |
| 422 | |
| 423 | Drawing->Pixmap = Pixmap; |
| 424 | |
| 425 | Drawing->height-=height; |
| 426 | |
| 427 | /* Rectangle to update, from new Drawing dimensions */ |
| 428 | update_rect.x = 0 ; |
| 429 | update_rect.y = y ; |
| 430 | update_rect.width = Drawing->width; |
| 431 | update_rect.height = Drawing->height - y ; |
| 432 | gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect); |
| 433 | } |