1 /* 2 * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>. 3 * All rights reserved. Distributed under the terms of the MIT License. 4 */ 5 6 #include <SplitView.h> 7 8 #include <stdio.h> 9 10 #include <Archivable.h> 11 #include <ControlLook.h> 12 #include <Cursor.h> 13 14 #include "SplitLayout.h" 15 16 17 BSplitView::BSplitView(orientation orientation, float spacing) 18 : 19 BView(NULL, 20 B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE | B_INVALIDATE_AFTER_LAYOUT, 21 fSplitLayout = new BSplitLayout(orientation, spacing)) 22 { 23 SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR)); 24 } 25 26 27 BSplitView::BSplitView(BMessage* from) 28 : 29 BView(BUnarchiver::PrepareArchive(from)), 30 fSplitLayout(NULL) 31 { 32 BUnarchiver(from).Finish(); 33 } 34 35 36 BSplitView::~BSplitView() 37 { 38 } 39 40 41 void 42 BSplitView::SetInsets(float left, float top, float right, float bottom) 43 { 44 left = BControlLook::ComposeSpacing(left); 45 top = BControlLook::ComposeSpacing(top); 46 right = BControlLook::ComposeSpacing(right); 47 bottom = BControlLook::ComposeSpacing(bottom); 48 49 fSplitLayout->SetInsets(left, top, right, bottom); 50 } 51 52 53 void 54 BSplitView::SetInsets(float horizontal, float vertical) 55 { 56 horizontal = BControlLook::ComposeSpacing(horizontal); 57 vertical = BControlLook::ComposeSpacing(vertical); 58 fSplitLayout->SetInsets(horizontal, vertical, horizontal, vertical); 59 } 60 61 62 void 63 BSplitView::SetInsets(float insets) 64 { 65 insets = BControlLook::ComposeSpacing(insets); 66 fSplitLayout->SetInsets(insets, insets, insets, insets); 67 } 68 69 70 void 71 BSplitView::GetInsets(float* left, float* top, float* right, 72 float* bottom) const 73 { 74 fSplitLayout->GetInsets(left, top, right, bottom); 75 } 76 77 78 float 79 BSplitView::Spacing() const 80 { 81 return fSplitLayout->Spacing(); 82 } 83 84 85 void 86 BSplitView::SetSpacing(float spacing) 87 { 88 fSplitLayout->SetSpacing(spacing); 89 } 90 91 92 orientation 93 BSplitView::Orientation() const 94 { 95 return fSplitLayout->Orientation(); 96 } 97 98 99 void 100 BSplitView::SetOrientation(orientation orientation) 101 { 102 fSplitLayout->SetOrientation(orientation); 103 } 104 105 106 float 107 BSplitView::SplitterSize() const 108 { 109 return fSplitLayout->SplitterSize(); 110 } 111 112 113 void 114 BSplitView::SetSplitterSize(float size) 115 { 116 fSplitLayout->SetSplitterSize(size); 117 } 118 119 120 int32 121 BSplitView::CountItems() const 122 { 123 return fSplitLayout->CountItems(); 124 } 125 126 127 float 128 BSplitView::ItemWeight(int32 index) const 129 { 130 return fSplitLayout->ItemWeight(index); 131 } 132 133 134 float 135 BSplitView::ItemWeight(BLayoutItem* item) const 136 { 137 return fSplitLayout->ItemWeight(item); 138 } 139 140 141 void 142 BSplitView::SetItemWeight(int32 index, float weight, bool invalidateLayout) 143 { 144 fSplitLayout->SetItemWeight(index, weight, invalidateLayout); 145 } 146 147 148 void 149 BSplitView::SetItemWeight(BLayoutItem* item, float weight) 150 { 151 fSplitLayout->SetItemWeight(item, weight); 152 } 153 154 155 bool 156 BSplitView::IsCollapsible(int32 index) const 157 { 158 return fSplitLayout->IsCollapsible(index); 159 } 160 161 162 void 163 BSplitView::SetCollapsible(bool collapsible) 164 { 165 fSplitLayout->SetCollapsible(collapsible); 166 } 167 168 169 void 170 BSplitView::SetCollapsible(int32 index, bool collapsible) 171 { 172 fSplitLayout->SetCollapsible(index, collapsible); 173 } 174 175 176 void 177 BSplitView::SetCollapsible(int32 first, int32 last, bool collapsible) 178 { 179 fSplitLayout->SetCollapsible(first, last, collapsible); 180 } 181 182 183 bool 184 BSplitView::IsItemCollapsed(int32 index) const 185 { 186 return fSplitLayout->IsItemCollapsed(index); 187 } 188 189 190 void 191 BSplitView::SetItemCollapsed(int32 index, bool collapsed) 192 { 193 fSplitLayout->SetItemCollapsed(index, collapsed); 194 } 195 196 197 void 198 BSplitView::AddChild(BView* child, BView* sibling) 199 { 200 BView::AddChild(child, sibling); 201 } 202 203 204 bool 205 BSplitView::AddChild(BView* child, float weight) 206 { 207 return fSplitLayout->AddView(child, weight); 208 } 209 210 211 bool 212 BSplitView::AddChild(int32 index, BView* child, float weight) 213 { 214 return fSplitLayout->AddView(index, child, weight); 215 } 216 217 218 bool 219 BSplitView::AddChild(BLayoutItem* child) 220 { 221 return fSplitLayout->AddItem(child); 222 } 223 224 225 bool 226 BSplitView::AddChild(BLayoutItem* child, float weight) 227 { 228 return fSplitLayout->AddItem(child, weight); 229 } 230 231 232 bool 233 BSplitView::AddChild(int32 index, BLayoutItem* child, float weight) 234 { 235 return fSplitLayout->AddItem(index, child, weight); 236 } 237 238 239 void 240 BSplitView::Draw(BRect updateRect) 241 { 242 // draw the splitters 243 int32 draggedSplitterIndex = fSplitLayout->DraggedSplitter(); 244 int32 count = fSplitLayout->CountItems(); 245 for (int32 i = 0; i < count - 1; i++) { 246 BRect frame = fSplitLayout->SplitterItemFrame(i); 247 DrawSplitter(frame, updateRect, Orientation(), 248 draggedSplitterIndex == i); 249 } 250 } 251 252 253 void 254 BSplitView::DrawAfterChildren(BRect r) 255 { 256 return BView::DrawAfterChildren(r); 257 } 258 259 260 void 261 BSplitView::MouseDown(BPoint where) 262 { 263 SetMouseEventMask(B_POINTER_EVENTS, 264 B_LOCK_WINDOW_FOCUS | B_SUSPEND_VIEW_FOCUS); 265 266 if (fSplitLayout->StartDraggingSplitter(where)) 267 Invalidate(); 268 } 269 270 271 void 272 BSplitView::MouseUp(BPoint where) 273 { 274 if (fSplitLayout->StopDraggingSplitter()) { 275 Relayout(); 276 Invalidate(); 277 } 278 } 279 280 281 void 282 BSplitView::MouseMoved(BPoint where, uint32 transit, const BMessage* message) 283 { 284 BCursor cursor(B_CURSOR_ID_SYSTEM_DEFAULT); 285 286 int32 splitterIndex = fSplitLayout->DraggedSplitter(); 287 288 if (splitterIndex >= 0 || fSplitLayout->IsAboveSplitter(where)) { 289 if (Orientation() == B_VERTICAL) 290 cursor = BCursor(B_CURSOR_ID_RESIZE_NORTH_SOUTH); 291 else 292 cursor = BCursor(B_CURSOR_ID_RESIZE_EAST_WEST); 293 } 294 295 if (splitterIndex >= 0) { 296 BRect oldFrame = fSplitLayout->SplitterItemFrame(splitterIndex); 297 if (fSplitLayout->DragSplitter(where)) { 298 Invalidate(oldFrame); 299 Invalidate(fSplitLayout->SplitterItemFrame(splitterIndex)); 300 } 301 } 302 303 SetViewCursor(&cursor, true); 304 } 305 306 307 void 308 BSplitView::MessageReceived(BMessage* message) 309 { 310 return BView::MessageReceived(message); 311 } 312 313 314 void 315 BSplitView::SetLayout(BLayout* layout) 316 { 317 // not allowed 318 } 319 320 321 status_t 322 BSplitView::Archive(BMessage* into, bool deep) const 323 { 324 return BView::Archive(into, deep); 325 } 326 327 328 status_t 329 BSplitView::AllArchived(BMessage* archive) const 330 { 331 return BView::AllArchived(archive); 332 } 333 334 335 status_t 336 BSplitView::AllUnarchived(const BMessage* from) 337 { 338 status_t err = BView::AllUnarchived(from); 339 if (err == B_OK) { 340 fSplitLayout = dynamic_cast<BSplitLayout*>(GetLayout()); 341 if (!fSplitLayout && GetLayout()) 342 return B_BAD_TYPE; 343 else if (!fSplitLayout) 344 return B_ERROR; 345 } 346 return err; 347 } 348 349 350 BArchivable* 351 BSplitView::Instantiate(BMessage* from) 352 { 353 if (validate_instantiation(from, "BSplitView")) 354 return new BSplitView(from); 355 return NULL; 356 } 357 358 359 void 360 BSplitView::DrawSplitter(BRect frame, const BRect& updateRect, 361 orientation orientation, bool pressed) 362 { 363 _DrawDefaultSplitter(this, frame, updateRect, orientation, pressed); 364 } 365 366 367 void 368 BSplitView::_DrawDefaultSplitter(BView* view, BRect frame, 369 const BRect& updateRect, orientation orientation, bool pressed) 370 { 371 uint32 flags = pressed ? BControlLook::B_ACTIVATED : 0; 372 be_control_look->DrawSplitter(view, frame, updateRect, view->ViewColor(), 373 orientation, flags, 0); 374 } 375 376 377 status_t 378 BSplitView::Perform(perform_code d, void* arg) 379 { 380 return BView::Perform(d, arg); 381 } 382 383 384 void BSplitView::_ReservedSplitView1() {} 385 void BSplitView::_ReservedSplitView2() {} 386 void BSplitView::_ReservedSplitView3() {} 387 void BSplitView::_ReservedSplitView4() {} 388 void BSplitView::_ReservedSplitView5() {} 389 void BSplitView::_ReservedSplitView6() {} 390 void BSplitView::_ReservedSplitView7() {} 391 void BSplitView::_ReservedSplitView8() {} 392 void BSplitView::_ReservedSplitView9() {} 393 void BSplitView::_ReservedSplitView10() {} 394 395