| 1 | /* /////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: win_gtk.c |
| 3 | // Purpose: native GTK+ widget for wxWindows |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | /////////////////////////////////////////////////////////////////////////// */ |
| 9 | |
| 10 | #include "wx/gtk/win_gtk.h" |
| 11 | #include "gtk/gtksignal.h" |
| 12 | #include "gtk/gtknotebook.h" |
| 13 | #include "gtk/gtkscrolledwindow.h" |
| 14 | |
| 15 | #ifdef __cplusplus |
| 16 | extern "C" { |
| 17 | #endif /* __cplusplus */ |
| 18 | |
| 19 | static void gtk_myfixed_class_init (GtkMyFixedClass *klass); |
| 20 | static void gtk_myfixed_init (GtkMyFixed *myfixed); |
| 21 | static void gtk_myfixed_map (GtkWidget *widget); |
| 22 | #if (GTK_MINOR_VERSION == 0) |
| 23 | static void gtk_myfixed_unmap (GtkWidget *widget); |
| 24 | #endif |
| 25 | static void gtk_myfixed_realize (GtkWidget *widget); |
| 26 | static void gtk_myfixed_size_request (GtkWidget *widget, |
| 27 | GtkRequisition *requisition); |
| 28 | static void gtk_myfixed_size_allocate (GtkWidget *widget, |
| 29 | GtkAllocation *allocation); |
| 30 | static void gtk_myfixed_paint (GtkWidget *widget, |
| 31 | GdkRectangle *area); |
| 32 | static void gtk_myfixed_draw (GtkWidget *widget, |
| 33 | GdkRectangle *area); |
| 34 | static gint gtk_myfixed_expose (GtkWidget *widget, |
| 35 | GdkEventExpose *event); |
| 36 | static void gtk_myfixed_add (GtkContainer *container, |
| 37 | GtkWidget *widget); |
| 38 | static void gtk_myfixed_remove (GtkContainer *container, |
| 39 | GtkWidget *widget); |
| 40 | static void gtk_myfixed_foreach (GtkContainer *container, |
| 41 | #if (GTK_MINOR_VERSION > 0) |
| 42 | gboolean include_internals, |
| 43 | #endif |
| 44 | GtkCallback callback, |
| 45 | gpointer callback_data); |
| 46 | #if (GTK_MINOR_VERSION > 0) |
| 47 | static GtkType gtk_myfixed_child_type (GtkContainer *container); |
| 48 | #endif |
| 49 | |
| 50 | #if (GTK_MINOR_VERSION > 0) |
| 51 | static void gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed, |
| 52 | GtkAdjustment *hadj, |
| 53 | GtkAdjustment *vadj); |
| 54 | #endif |
| 55 | |
| 56 | |
| 57 | |
| 58 | static GtkContainerClass *parent_class = NULL; |
| 59 | |
| 60 | guint |
| 61 | gtk_myfixed_get_type () |
| 62 | { |
| 63 | static guint myfixed_type = 0; |
| 64 | |
| 65 | if (!myfixed_type) |
| 66 | { |
| 67 | GtkTypeInfo myfixed_info = |
| 68 | { |
| 69 | "GtkMyFixed", |
| 70 | sizeof (GtkMyFixed), |
| 71 | sizeof (GtkMyFixedClass), |
| 72 | (GtkClassInitFunc) gtk_myfixed_class_init, |
| 73 | (GtkObjectInitFunc) gtk_myfixed_init, |
| 74 | #if (GTK_MINOR_VERSION > 0) |
| 75 | /* reserved_1 */ NULL, |
| 76 | /* reserved_2 */ NULL, |
| 77 | (GtkClassInitFunc) NULL, |
| 78 | #else |
| 79 | (GtkArgSetFunc) NULL, |
| 80 | (GtkArgGetFunc) NULL, |
| 81 | #endif |
| 82 | }; |
| 83 | myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info); |
| 84 | } |
| 85 | |
| 86 | return myfixed_type; |
| 87 | } |
| 88 | |
| 89 | static void |
| 90 | gtk_myfixed_class_init (GtkMyFixedClass *klass) |
| 91 | { |
| 92 | GtkObjectClass *object_class; |
| 93 | GtkWidgetClass *widget_class; |
| 94 | GtkContainerClass *container_class; |
| 95 | |
| 96 | object_class = (GtkObjectClass*) klass; |
| 97 | widget_class = (GtkWidgetClass*) klass; |
| 98 | container_class = (GtkContainerClass*) klass; |
| 99 | |
| 100 | #if (GTK_MINOR_VERSION > 0) |
| 101 | parent_class = gtk_type_class (GTK_TYPE_CONTAINER); |
| 102 | #else |
| 103 | parent_class = gtk_type_class (gtk_container_get_type ()); |
| 104 | #endif |
| 105 | |
| 106 | widget_class->map = gtk_myfixed_map; |
| 107 | #if (GTK_MINOR_VERSION == 0) |
| 108 | widget_class->unmap = gtk_myfixed_unmap; |
| 109 | #endif |
| 110 | widget_class->realize = gtk_myfixed_realize; |
| 111 | widget_class->size_request = gtk_myfixed_size_request; |
| 112 | widget_class->size_allocate = gtk_myfixed_size_allocate; |
| 113 | widget_class->draw = gtk_myfixed_draw; |
| 114 | widget_class->expose_event = gtk_myfixed_expose; |
| 115 | |
| 116 | container_class->add = gtk_myfixed_add; |
| 117 | container_class->remove = gtk_myfixed_remove; |
| 118 | #if (GTK_MINOR_VERSION > 0) |
| 119 | container_class->forall = gtk_myfixed_foreach; |
| 120 | #else |
| 121 | container_class->foreach = gtk_myfixed_foreach; |
| 122 | #endif |
| 123 | |
| 124 | #if (GTK_MINOR_VERSION > 0) |
| 125 | container_class->child_type = gtk_myfixed_child_type; |
| 126 | #endif |
| 127 | |
| 128 | #if (GTK_MINOR_VERSION > 0) |
| 129 | klass->set_scroll_adjustments = gtk_myfixed_scroll_set_adjustments; |
| 130 | |
| 131 | widget_class->set_scroll_adjustments_signal = |
| 132 | gtk_signal_new ("set_scroll_adjustments", |
| 133 | GTK_RUN_LAST, |
| 134 | object_class->type, |
| 135 | GTK_SIGNAL_OFFSET (GtkMyFixedClass, set_scroll_adjustments), |
| 136 | gtk_marshal_NONE__POINTER_POINTER, |
| 137 | GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); |
| 138 | #endif |
| 139 | } |
| 140 | |
| 141 | #if (GTK_MINOR_VERSION > 0) |
| 142 | static GtkType |
| 143 | gtk_myfixed_child_type (GtkContainer *container) |
| 144 | { |
| 145 | return GTK_TYPE_WIDGET; |
| 146 | } |
| 147 | #endif |
| 148 | |
| 149 | static void |
| 150 | gtk_myfixed_init (GtkMyFixed *myfixed) |
| 151 | { |
| 152 | GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW); |
| 153 | |
| 154 | #if (GTK_MINOR_VERSION == 0) |
| 155 | GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC); |
| 156 | #endif |
| 157 | |
| 158 | #if (GTK_MINOR_VERSION > 0) |
| 159 | myfixed->shadow_type = GTK_SHADOW_NONE; |
| 160 | #endif |
| 161 | |
| 162 | myfixed->children = NULL; |
| 163 | } |
| 164 | |
| 165 | GtkWidget* |
| 166 | gtk_myfixed_new () |
| 167 | { |
| 168 | GtkMyFixed *myfixed; |
| 169 | |
| 170 | myfixed = gtk_type_new (gtk_myfixed_get_type ()); |
| 171 | |
| 172 | return GTK_WIDGET (myfixed); |
| 173 | } |
| 174 | |
| 175 | #if (GTK_MINOR_VERSION > 0) |
| 176 | void |
| 177 | gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed, |
| 178 | GtkAdjustment *hadj, |
| 179 | GtkAdjustment *vadj) |
| 180 | { |
| 181 | /* OK, this is embarassing, but this function has to be here */ |
| 182 | } |
| 183 | |
| 184 | void |
| 185 | gtk_myfixed_set_shadow_type (GtkMyFixed *myfixed, |
| 186 | GtkShadowType type) |
| 187 | { |
| 188 | g_return_if_fail (myfixed != NULL); |
| 189 | g_return_if_fail (GTK_IS_MYFIXED (myfixed)); |
| 190 | |
| 191 | if ((GtkShadowType) myfixed->shadow_type != type) |
| 192 | { |
| 193 | myfixed->shadow_type = type; |
| 194 | |
| 195 | if (GTK_WIDGET_VISIBLE (myfixed)) |
| 196 | { |
| 197 | gtk_widget_size_allocate (GTK_WIDGET (myfixed), &(GTK_WIDGET (myfixed)->allocation)); |
| 198 | gtk_widget_queue_draw (GTK_WIDGET (myfixed)); |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | #endif |
| 203 | |
| 204 | void |
| 205 | gtk_myfixed_put (GtkMyFixed *myfixed, |
| 206 | GtkWidget *widget, |
| 207 | gint16 x, |
| 208 | gint16 y, |
| 209 | gint16 width, |
| 210 | gint16 height) |
| 211 | { |
| 212 | GtkMyFixedChild *child_info; |
| 213 | |
| 214 | g_return_if_fail (myfixed != NULL); |
| 215 | g_return_if_fail (GTK_IS_MYFIXED (myfixed)); |
| 216 | g_return_if_fail (widget != NULL); |
| 217 | |
| 218 | child_info = g_new (GtkMyFixedChild, 1); |
| 219 | child_info->widget = widget; |
| 220 | child_info->x = x; |
| 221 | child_info->y = y; |
| 222 | child_info->width = width; |
| 223 | child_info->height = height; |
| 224 | |
| 225 | gtk_widget_set_parent (widget, GTK_WIDGET (myfixed)); |
| 226 | |
| 227 | myfixed->children = g_list_append (myfixed->children, child_info); |
| 228 | |
| 229 | if (GTK_WIDGET_REALIZED (myfixed)) |
| 230 | gtk_widget_realize (widget); |
| 231 | |
| 232 | if (GTK_WIDGET_VISIBLE (myfixed) && GTK_WIDGET_VISIBLE (widget)) |
| 233 | { |
| 234 | if (GTK_WIDGET_MAPPED (myfixed)) |
| 235 | gtk_widget_map (widget); |
| 236 | |
| 237 | gtk_widget_queue_resize (GTK_WIDGET (myfixed)); |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | void |
| 242 | gtk_myfixed_move (GtkMyFixed *myfixed, |
| 243 | GtkWidget *widget, |
| 244 | gint16 x, |
| 245 | gint16 y) |
| 246 | { |
| 247 | GtkMyFixedChild *child; |
| 248 | GList *children; |
| 249 | |
| 250 | g_return_if_fail (myfixed != NULL); |
| 251 | g_return_if_fail (GTK_IS_MYFIXED (myfixed)); |
| 252 | g_return_if_fail (widget != NULL); |
| 253 | |
| 254 | children = myfixed->children; |
| 255 | while (children) |
| 256 | { |
| 257 | child = children->data; |
| 258 | children = children->next; |
| 259 | |
| 260 | if (child->widget == widget) |
| 261 | { |
| 262 | gtk_myfixed_set_size( myfixed, widget, x, y, child->width, child->height ); |
| 263 | break; |
| 264 | } |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | void |
| 269 | gtk_myfixed_resize (GtkMyFixed *myfixed, |
| 270 | GtkWidget *widget, |
| 271 | gint16 width, |
| 272 | gint16 height) |
| 273 | { |
| 274 | GtkMyFixedChild *child; |
| 275 | GList *children; |
| 276 | |
| 277 | g_return_if_fail (myfixed != NULL); |
| 278 | g_return_if_fail (GTK_IS_MYFIXED (myfixed)); |
| 279 | g_return_if_fail (widget != NULL); |
| 280 | |
| 281 | children = myfixed->children; |
| 282 | while (children) |
| 283 | { |
| 284 | child = children->data; |
| 285 | children = children->next; |
| 286 | |
| 287 | if (child->widget == widget) |
| 288 | { |
| 289 | gtk_myfixed_set_size( myfixed, widget, child->x, child->y, width, height ); |
| 290 | break; |
| 291 | } |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | void |
| 296 | gtk_myfixed_set_size (GtkMyFixed *myfixed, |
| 297 | GtkWidget *widget, |
| 298 | gint16 x, |
| 299 | gint16 y, |
| 300 | gint16 width, |
| 301 | gint16 height) |
| 302 | { |
| 303 | GtkMyFixedChild *child; |
| 304 | GList *children; |
| 305 | GtkAllocation child_allocation; |
| 306 | |
| 307 | g_return_if_fail (myfixed != NULL); |
| 308 | g_return_if_fail (GTK_IS_MYFIXED (myfixed)); |
| 309 | g_return_if_fail (widget != NULL); |
| 310 | |
| 311 | children = myfixed->children; |
| 312 | while (children) |
| 313 | { |
| 314 | child = children->data; |
| 315 | children = children->next; |
| 316 | |
| 317 | if (child->widget == widget) |
| 318 | { |
| 319 | if ((child->x == x) && |
| 320 | (child->y == y) && |
| 321 | (child->width == width) && |
| 322 | (child->height == height)) return; |
| 323 | |
| 324 | child->x = x; |
| 325 | child->y = y; |
| 326 | child->width = width; |
| 327 | child->height = height; |
| 328 | |
| 329 | if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed)) |
| 330 | { |
| 331 | if ( (child->width > 1) && |
| 332 | (child->height > 1) && |
| 333 | !(GTK_WIDGET_REALIZED(widget) && GTK_IS_NOTEBOOK(widget)) ) |
| 334 | { |
| 335 | child_allocation.x = child->x; |
| 336 | child_allocation.y = child->y; |
| 337 | child_allocation.width = MAX( child->width, 1 ); |
| 338 | child_allocation.height = MAX( child->height, 1 ); |
| 339 | |
| 340 | /* work around for GTK bug when moving widgets outside |
| 341 | the X window -> do NOT move them entirely outside */ |
| 342 | if (child_allocation.y + child_allocation.height < 0) |
| 343 | child_allocation.y = -child_allocation.height; |
| 344 | if (child_allocation.x + child_allocation.width < 0) |
| 345 | child_allocation.x = -child_allocation.width; |
| 346 | |
| 347 | gtk_widget_size_allocate (widget, &child_allocation); |
| 348 | } |
| 349 | else |
| 350 | { |
| 351 | gtk_widget_queue_resize (GTK_WIDGET (myfixed)); |
| 352 | } |
| 353 | } |
| 354 | break; |
| 355 | } |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | static void |
| 360 | gtk_myfixed_map (GtkWidget *widget) |
| 361 | { |
| 362 | GtkMyFixed *myfixed; |
| 363 | GtkMyFixedChild *child; |
| 364 | GList *children; |
| 365 | |
| 366 | g_return_if_fail (widget != NULL); |
| 367 | g_return_if_fail (GTK_IS_MYFIXED (widget)); |
| 368 | |
| 369 | GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); |
| 370 | myfixed = GTK_MYFIXED (widget); |
| 371 | |
| 372 | children = myfixed->children; |
| 373 | while (children) |
| 374 | { |
| 375 | child = children->data; |
| 376 | children = children->next; |
| 377 | |
| 378 | if (GTK_WIDGET_VISIBLE (child->widget) && !GTK_WIDGET_MAPPED (child->widget)) |
| 379 | gtk_widget_map (child->widget); |
| 380 | } |
| 381 | |
| 382 | gdk_window_show (widget->window); |
| 383 | } |
| 384 | |
| 385 | #if (GTK_MINOR_VERSION == 0) |
| 386 | static void |
| 387 | gtk_myfixed_unmap (GtkWidget *widget) |
| 388 | { |
| 389 | g_return_if_fail (widget != NULL); |
| 390 | g_return_if_fail (GTK_IS_MYFIXED (widget)); |
| 391 | |
| 392 | GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED); |
| 393 | } |
| 394 | #endif |
| 395 | |
| 396 | static void |
| 397 | gtk_myfixed_realize (GtkWidget *widget) |
| 398 | { |
| 399 | GtkMyFixed *myfixed; |
| 400 | GdkWindowAttr attributes; |
| 401 | gint attributes_mask; |
| 402 | |
| 403 | g_return_if_fail (widget != NULL); |
| 404 | g_return_if_fail (GTK_IS_MYFIXED (widget)); |
| 405 | |
| 406 | myfixed = GTK_MYFIXED (widget); |
| 407 | |
| 408 | GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); |
| 409 | |
| 410 | attributes.window_type = GDK_WINDOW_CHILD; |
| 411 | |
| 412 | #if (GTK_MINOR_VERSION > 0) |
| 413 | attributes.x = widget->allocation.x; |
| 414 | attributes.y = widget->allocation.y; |
| 415 | attributes.width = widget->allocation.width; |
| 416 | attributes.height = widget->allocation.height; |
| 417 | |
| 418 | if (myfixed->shadow_type != GTK_SHADOW_NONE) |
| 419 | { |
| 420 | attributes.x += 2; |
| 421 | attributes.y += 2; |
| 422 | attributes.width -= 4; |
| 423 | attributes.height -= 4; |
| 424 | } |
| 425 | |
| 426 | if (attributes.width < 2) attributes.width = 2; |
| 427 | if (attributes.height < 2) attributes.height = 2; |
| 428 | #else |
| 429 | attributes.x = widget->allocation.x; |
| 430 | attributes.y = widget->allocation.y; |
| 431 | attributes.width = 32000; |
| 432 | attributes.height = 32000; |
| 433 | #endif |
| 434 | attributes.wclass = GDK_INPUT_OUTPUT; |
| 435 | attributes.visual = gtk_widget_get_visual (widget); |
| 436 | attributes.colormap = gtk_widget_get_colormap (widget); |
| 437 | attributes.event_mask = gtk_widget_get_events (widget); |
| 438 | attributes.event_mask |= |
| 439 | GDK_EXPOSURE_MASK | |
| 440 | GDK_POINTER_MOTION_MASK | |
| 441 | GDK_POINTER_MOTION_HINT_MASK | |
| 442 | GDK_BUTTON_MOTION_MASK | |
| 443 | GDK_BUTTON1_MOTION_MASK | |
| 444 | GDK_BUTTON2_MOTION_MASK | |
| 445 | GDK_BUTTON3_MOTION_MASK | |
| 446 | GDK_BUTTON_PRESS_MASK | |
| 447 | GDK_BUTTON_RELEASE_MASK | |
| 448 | GDK_KEY_PRESS_MASK | |
| 449 | GDK_KEY_RELEASE_MASK | |
| 450 | GDK_ENTER_NOTIFY_MASK | |
| 451 | GDK_LEAVE_NOTIFY_MASK | |
| 452 | GDK_FOCUS_CHANGE_MASK; |
| 453 | attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; |
| 454 | |
| 455 | widget->window = gdk_window_new( gtk_widget_get_parent_window (widget), &attributes, |
| 456 | attributes_mask); |
| 457 | gdk_window_set_user_data (widget->window, widget); |
| 458 | |
| 459 | widget->style = gtk_style_attach (widget->style, widget->window); |
| 460 | gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL); |
| 461 | } |
| 462 | |
| 463 | static void |
| 464 | gtk_myfixed_size_request (GtkWidget *widget, |
| 465 | GtkRequisition *requisition) |
| 466 | { |
| 467 | GtkMyFixed *myfixed; |
| 468 | GtkMyFixedChild *child; |
| 469 | GList *children; |
| 470 | GtkRequisition child_requisition; |
| 471 | |
| 472 | g_return_if_fail (widget != NULL); |
| 473 | g_return_if_fail (GTK_IS_MYFIXED (widget)); |
| 474 | g_return_if_fail (requisition != NULL); |
| 475 | |
| 476 | myfixed = GTK_MYFIXED (widget); |
| 477 | |
| 478 | children = myfixed->children; |
| 479 | while (children) |
| 480 | { |
| 481 | child = children->data; |
| 482 | children = children->next; |
| 483 | |
| 484 | if (GTK_WIDGET_VISIBLE (child->widget)) |
| 485 | { |
| 486 | gtk_widget_size_request (child->widget, &child_requisition); |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | /* request very little, I'm not sure if requesting nothing |
| 491 | will always have positive effects on stability... */ |
| 492 | requisition->width = 2; |
| 493 | requisition->height = 2; |
| 494 | } |
| 495 | |
| 496 | static void |
| 497 | gtk_myfixed_size_allocate (GtkWidget *widget, |
| 498 | GtkAllocation *allocation) |
| 499 | { |
| 500 | GtkMyFixed *myfixed; |
| 501 | gint border; |
| 502 | GtkMyFixedChild *child; |
| 503 | GtkAllocation child_allocation; |
| 504 | GList *children; |
| 505 | |
| 506 | g_return_if_fail (widget != NULL); |
| 507 | g_return_if_fail (GTK_IS_MYFIXED(widget)); |
| 508 | g_return_if_fail (allocation != NULL); |
| 509 | |
| 510 | myfixed = GTK_MYFIXED (widget); |
| 511 | |
| 512 | widget->allocation = *allocation; |
| 513 | #if (GTK_MINOR_VERSION > 0) |
| 514 | if (myfixed->shadow_type == GTK_SHADOW_NONE) |
| 515 | border = 0; |
| 516 | else |
| 517 | border = 2; |
| 518 | #else |
| 519 | border = 0; |
| 520 | #endif |
| 521 | |
| 522 | if (GTK_WIDGET_REALIZED (widget)) |
| 523 | { |
| 524 | gdk_window_move_resize( widget->window, |
| 525 | allocation->x+border, allocation->y+border, |
| 526 | #if (GTK_MINOR_VERSION > 0) |
| 527 | allocation->width-border*2, allocation->height-border*2 |
| 528 | #else |
| 529 | 32000, 32000 |
| 530 | #endif |
| 531 | ); |
| 532 | } |
| 533 | |
| 534 | children = myfixed->children; |
| 535 | while (children) |
| 536 | { |
| 537 | child = children->data; |
| 538 | children = children->next; |
| 539 | |
| 540 | if (GTK_WIDGET_VISIBLE (child->widget)) |
| 541 | { |
| 542 | /* please look at the text in wxWindow::DoSetSize() on why the |
| 543 | test GTK_WIDGET_REALIZED() has to be here */ |
| 544 | /* if (GTK_IS_NOTEBOOK(child->widget) && !GTK_WIDGET_REALIZED(child->widget)) |
| 545 | { |
| 546 | gtk_widget_queue_resize( child->widget ); |
| 547 | } |
| 548 | else */ |
| 549 | { |
| 550 | child_allocation.x = child->x; |
| 551 | child_allocation.y = child->y; |
| 552 | child_allocation.width = MAX( child->width, 1 ); |
| 553 | child_allocation.height = MAX( child->height, 1 ); |
| 554 | |
| 555 | /* work around for GTK bug when moving widgets outside |
| 556 | the X window -> do NOT move them entirely outside */ |
| 557 | if (child_allocation.y + child_allocation.height < 0) |
| 558 | child_allocation.y = -child_allocation.height; |
| 559 | if (child_allocation.x + child_allocation.width < 0) |
| 560 | child_allocation.x = -child_allocation.width; |
| 561 | |
| 562 | gtk_widget_size_allocate (child->widget, &child_allocation); |
| 563 | } |
| 564 | } |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | static void |
| 569 | gtk_myfixed_paint (GtkWidget *widget, |
| 570 | GdkRectangle *area) |
| 571 | { |
| 572 | g_return_if_fail (widget != NULL); |
| 573 | g_return_if_fail (GTK_IS_MYFIXED (widget)); |
| 574 | g_return_if_fail (area != NULL); |
| 575 | |
| 576 | if (GTK_WIDGET_DRAWABLE (widget)) |
| 577 | gdk_window_clear_area (widget->window, |
| 578 | area->x, area->y, |
| 579 | area->width, area->height); |
| 580 | } |
| 581 | |
| 582 | static void |
| 583 | gtk_myfixed_draw (GtkWidget *widget, |
| 584 | GdkRectangle *area) |
| 585 | { |
| 586 | GtkMyFixed *myfixed; |
| 587 | GtkMyFixedChild *child; |
| 588 | GdkRectangle child_area; |
| 589 | GList *children; |
| 590 | |
| 591 | g_return_if_fail (widget != NULL); |
| 592 | g_return_if_fail (GTK_IS_MYFIXED (widget)); |
| 593 | |
| 594 | if (GTK_WIDGET_DRAWABLE (widget)) |
| 595 | { |
| 596 | myfixed = GTK_MYFIXED (widget); |
| 597 | gtk_myfixed_paint (widget, area); |
| 598 | |
| 599 | children = myfixed->children; |
| 600 | while (children) |
| 601 | { |
| 602 | child = children->data; |
| 603 | children = children->next; |
| 604 | |
| 605 | if (gtk_widget_intersect (child->widget, area, &child_area)) |
| 606 | gtk_widget_draw (child->widget, &child_area); |
| 607 | } |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | static gint |
| 612 | gtk_myfixed_expose (GtkWidget *widget, |
| 613 | GdkEventExpose *event) |
| 614 | { |
| 615 | GtkMyFixed *myfixed; |
| 616 | GtkMyFixedChild *child; |
| 617 | GdkEventExpose child_event; |
| 618 | GList *children; |
| 619 | |
| 620 | g_return_val_if_fail (widget != NULL, FALSE); |
| 621 | g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE); |
| 622 | g_return_val_if_fail (event != NULL, FALSE); |
| 623 | |
| 624 | if (GTK_WIDGET_DRAWABLE (widget)) |
| 625 | { |
| 626 | myfixed = GTK_MYFIXED (widget); |
| 627 | |
| 628 | child_event = *event; |
| 629 | |
| 630 | children = myfixed->children; |
| 631 | while (children) |
| 632 | { |
| 633 | child = children->data; |
| 634 | children = children->next; |
| 635 | |
| 636 | if (GTK_WIDGET_NO_WINDOW (child->widget) && |
| 637 | gtk_widget_intersect (child->widget, &event->area, |
| 638 | &child_event.area)) |
| 639 | gtk_widget_event (child->widget, (GdkEvent*) &child_event); |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | return FALSE; |
| 644 | } |
| 645 | |
| 646 | static void |
| 647 | gtk_myfixed_add (GtkContainer *container, |
| 648 | GtkWidget *widget) |
| 649 | { |
| 650 | g_return_if_fail (container != NULL); |
| 651 | g_return_if_fail (GTK_IS_MYFIXED (container)); |
| 652 | g_return_if_fail (widget != NULL); |
| 653 | |
| 654 | gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0, 20, 20 ); |
| 655 | } |
| 656 | |
| 657 | static void |
| 658 | gtk_myfixed_remove (GtkContainer *container, |
| 659 | GtkWidget *widget) |
| 660 | { |
| 661 | GtkMyFixed *myfixed; |
| 662 | GtkMyFixedChild *child; |
| 663 | GList *children; |
| 664 | |
| 665 | g_return_if_fail (container != NULL); |
| 666 | g_return_if_fail (GTK_IS_MYFIXED (container)); |
| 667 | g_return_if_fail (widget != NULL); |
| 668 | |
| 669 | myfixed = GTK_MYFIXED (container); |
| 670 | |
| 671 | children = myfixed->children; |
| 672 | while (children) |
| 673 | { |
| 674 | child = children->data; |
| 675 | |
| 676 | if (child->widget == widget) |
| 677 | { |
| 678 | gboolean was_visible = GTK_WIDGET_VISIBLE (widget); |
| 679 | |
| 680 | gtk_widget_unparent (widget); |
| 681 | |
| 682 | myfixed->children = g_list_remove_link (myfixed->children, children); |
| 683 | g_list_free (children); |
| 684 | g_free (child); |
| 685 | |
| 686 | if (was_visible && GTK_WIDGET_VISIBLE (container)) |
| 687 | gtk_widget_queue_resize (GTK_WIDGET (container)); |
| 688 | |
| 689 | break; |
| 690 | } |
| 691 | |
| 692 | children = children->next; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | static void |
| 697 | gtk_myfixed_foreach (GtkContainer *container, |
| 698 | #if (GTK_MINOR_VERSION > 0) |
| 699 | gboolean include_internals, |
| 700 | #endif |
| 701 | GtkCallback callback, |
| 702 | gpointer callback_data) |
| 703 | { |
| 704 | GtkMyFixed *myfixed; |
| 705 | GtkMyFixedChild *child; |
| 706 | GList *children; |
| 707 | |
| 708 | g_return_if_fail (container != NULL); |
| 709 | g_return_if_fail (GTK_IS_MYFIXED (container)); |
| 710 | g_return_if_fail (callback != NULL); |
| 711 | |
| 712 | myfixed = GTK_MYFIXED (container); |
| 713 | |
| 714 | children = myfixed->children; |
| 715 | while (children) |
| 716 | { |
| 717 | child = children->data; |
| 718 | children = children->next; |
| 719 | |
| 720 | (* callback) (child->widget, callback_data); |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | |
| 725 | #ifdef __cplusplus |
| 726 | } |
| 727 | #endif /* __cplusplus */ |
| 728 | |