1 /* 2 Open Tracker License 3 4 Terms and Conditions 5 6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy of 9 this software and associated documentation files (the "Software"), to deal in 10 the Software without restriction, including without limitation the rights to 11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12 of the Software, and to permit persons to whom the Software is furnished to do 13 so, subject to the following conditions: 14 15 The above copyright notice and this permission notice applies to all licensees 16 and shall be included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 Except as contained in this notice, the name of Be Incorporated shall not be 26 used in advertising or otherwise to promote the sale, use or other dealings in 27 this Software without prior written authorization from Be Incorporated. 28 29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks 30 of Be Incorporated in the United States and other countries. Other brand product 31 names are registered trademarks or trademarks of their respective holders. 32 All rights reserved. 33 */ 34 35 // defines the status area drawn in the bottom left corner of a Tracker window 36 37 38 #include "CountView.h" 39 40 #include <Application.h> 41 #include <Catalog.h> 42 #include <ControlLook.h> 43 #include <Locale.h> 44 #include <MessageFormat.h> 45 46 #include "AutoLock.h" 47 #include "Bitmaps.h" 48 #include "ContainerWindow.h" 49 #include "DirMenu.h" 50 #include "PoseView.h" 51 #include "Utilities.h" 52 53 54 #undef B_TRANSLATION_CONTEXT 55 #define B_TRANSLATION_CONTEXT "CountView" 56 57 58 const bigtime_t kBarberPoleDelay = 500000; 59 60 61 // #pragma mark - BCountView 62 63 64 BCountView::BCountView(BPoseView* view) 65 : 66 BView("CountVw", B_PULSE_NEEDED | B_WILL_DRAW), 67 fLastCount(-1), 68 fPoseView(view), 69 fShowingBarberPole(false), 70 fBarberPoleMap(NULL), 71 fLastBarberPoleOffset(5), 72 fStartSpinningAfter(0), 73 fTypeAheadString(""), 74 fFilterString("") 75 { 76 GetTrackerResources()->GetBitmapResource(B_MESSAGE_TYPE, 77 R_BarberPoleBitmap, &fBarberPoleMap); 78 } 79 80 81 BCountView::~BCountView() 82 { 83 delete fBarberPoleMap; 84 } 85 86 87 void 88 BCountView::TrySpinningBarberPole() 89 { 90 if (!fShowingBarberPole) 91 return; 92 93 if (fStartSpinningAfter && system_time() < fStartSpinningAfter) 94 return; 95 96 // When the barber pole just starts spinning we need to invalidate 97 // the whole rectangle of text and barber pole. 98 // After this the text needs no updating since only the pole changes. 99 if (fStartSpinningAfter) { 100 fStartSpinningAfter = 0; 101 Invalidate(TextAndBarberPoleRect()); 102 } else 103 Invalidate(BarberPoleInnerRect()); 104 } 105 106 107 void 108 BCountView::Pulse() 109 { 110 TrySpinningBarberPole(); 111 } 112 113 114 void 115 BCountView::EndBarberPole() 116 { 117 if (!fShowingBarberPole) 118 return; 119 120 fShowingBarberPole = false; 121 Invalidate(); 122 } 123 124 125 void 126 BCountView::StartBarberPole() 127 { 128 AutoLock<BWindow> lock(Window()); 129 if (fShowingBarberPole) 130 return; 131 132 fShowingBarberPole = true; 133 fStartSpinningAfter = system_time() + kBarberPoleDelay; 134 // wait a bit before showing the barber pole 135 } 136 137 138 BRect 139 BCountView::BarberPoleInnerRect() const 140 { 141 BRect result = Bounds(); 142 result.InsetBy(3, 4); 143 result.left = result.right - 7; 144 result.bottom = result.top + 7; 145 return result; 146 } 147 148 149 BRect 150 BCountView::BarberPoleOuterRect() const 151 { 152 BRect result(BarberPoleInnerRect()); 153 result.InsetBy(-1, -1); 154 return result; 155 } 156 157 158 BRect 159 BCountView::TextInvalRect() const 160 { 161 BRect result = Bounds(); 162 result.InsetBy(4, 3); 163 164 // if the barber pole is not present, use its space for text 165 if (fShowingBarberPole) 166 result.right -= 10; 167 168 return result; 169 } 170 171 172 BRect 173 BCountView::TextAndBarberPoleRect() const 174 { 175 BRect result = Bounds(); 176 result.InsetBy(4, 3); 177 178 return result; 179 } 180 181 182 void 183 BCountView::CheckCount() 184 { 185 // invalidate the count text area if necessary 186 if (fLastCount != fPoseView->CountItems()) { 187 fLastCount = fPoseView->CountItems(); 188 Invalidate(TextInvalRect()); 189 } 190 191 // invalidate barber pole area if necessary 192 TrySpinningBarberPole(); 193 } 194 195 196 void 197 BCountView::Draw(BRect updateRect) 198 { 199 BRect bounds(Bounds()); 200 201 rgb_color color = ViewColor(); 202 if (IsTypingAhead()) 203 color = ui_color(B_DOCUMENT_BACKGROUND_COLOR); 204 205 SetLowColor(color); 206 be_control_look->DrawBorder(this, bounds, updateRect, 207 color, B_PLAIN_BORDER, 0, 208 BControlLook::B_BOTTOM_BORDER | BControlLook::B_LEFT_BORDER); 209 be_control_look->DrawMenuBarBackground(this, bounds, updateRect, color); 210 211 BString itemString; 212 if (IsTypingAhead()) 213 itemString << TypeAhead(); 214 else if (IsFiltering()) { 215 itemString << fLastCount << " " << Filter(); 216 } else { 217 if (fLastCount == 0) 218 itemString << B_TRANSLATE("no items"); 219 else { 220 static BMessageFormat format(B_TRANSLATE_COMMENT( 221 "{0, plural, one{# item} other{# items}}", 222 "Number of selected items: \"1 item\" or \"2 items\"")); 223 format.Format(itemString, fLastCount); 224 } 225 } 226 227 BRect textRect(TextInvalRect()); 228 229 TruncateString(&itemString, IsTypingAhead() ? B_TRUNCATE_BEGINNING 230 : IsFiltering() ? B_TRUNCATE_MIDDLE : B_TRUNCATE_END, 231 textRect.Width()); 232 233 if (IsTypingAhead()) { 234 // use a muted gray for the typeahead 235 SetHighColor(ui_color(B_DOCUMENT_TEXT_COLOR)); 236 } else 237 SetHighColor(ui_color(B_PANEL_TEXT_COLOR)); 238 239 MovePenTo(textRect.LeftBottom()); 240 DrawString(itemString.String()); 241 242 bounds.top++; 243 244 rgb_color light = tint_color(ViewColor(), B_LIGHTEN_MAX_TINT); 245 rgb_color shadow = tint_color(ViewColor(), B_DARKEN_2_TINT); 246 rgb_color lightShadow = tint_color(ViewColor(), B_DARKEN_1_TINT); 247 248 BeginLineArray(fShowingBarberPole && !fStartSpinningAfter ? 9 : 5); 249 250 if (!fShowingBarberPole || fStartSpinningAfter) { 251 EndLineArray(); 252 return; 253 } 254 255 BRect barberPoleRect(BarberPoleOuterRect()); 256 257 AddLine(barberPoleRect.LeftTop(), barberPoleRect.RightTop(), shadow); 258 AddLine(barberPoleRect.LeftTop(), barberPoleRect.LeftBottom(), shadow); 259 AddLine(barberPoleRect.LeftBottom(), barberPoleRect.RightBottom(), light); 260 AddLine(barberPoleRect.RightBottom(), barberPoleRect.RightTop(), light); 261 EndLineArray(); 262 263 barberPoleRect.InsetBy(1, 1); 264 265 BRect destRect(fBarberPoleMap 266 ? fBarberPoleMap->Bounds() : BRect(0, 0, 0, 0)); 267 destRect.OffsetTo(barberPoleRect.LeftTop() 268 - BPoint(0, fLastBarberPoleOffset)); 269 fLastBarberPoleOffset -= 1; 270 if (fLastBarberPoleOffset < 0) 271 fLastBarberPoleOffset = 5; 272 273 BRegion region; 274 region.Set(BarberPoleInnerRect()); 275 ConstrainClippingRegion(®ion); 276 277 if (fBarberPoleMap) 278 DrawBitmap(fBarberPoleMap, destRect); 279 } 280 281 282 void 283 BCountView::MouseDown(BPoint) 284 { 285 BContainerWindow* window = dynamic_cast<BContainerWindow*>(Window()); 286 ThrowOnAssert(window != NULL); 287 288 window->Activate(); 289 window->UpdateIfNeeded(); 290 291 if (fPoseView->IsFilePanel() || fPoseView->TargetModel() == NULL) 292 return; 293 294 if (!window->TargetModel()->IsRoot()) { 295 BDirMenu* menu = new BDirMenu(NULL, be_app, B_REFS_RECEIVED); 296 BEntry entry; 297 if (entry.SetTo(window->TargetModel()->EntryRef()) == B_OK) 298 menu->Populate(&entry, Window(), false, false, true, false, true); 299 else 300 menu->Populate(NULL, Window(), false, false, true, false, true); 301 302 BPoint point = Bounds().LeftBottom(); 303 point.y += 3; 304 ConvertToScreen(&point); 305 BRect clickToOpenRect(Bounds()); 306 ConvertToScreen(&clickToOpenRect); 307 menu->Go(point, true, true, clickToOpenRect); 308 delete menu; 309 } 310 } 311 312 313 void 314 BCountView::AttachedToWindow() 315 { 316 SetFont(be_plain_font); 317 SetFontSize(9); 318 319 SetViewUIColor(B_PANEL_BACKGROUND_COLOR); 320 SetLowUIColor(ViewUIColor()); 321 322 CheckCount(); 323 } 324 325 326 void 327 BCountView::SetTypeAhead(const char* string) 328 { 329 fTypeAheadString = string; 330 Invalidate(); 331 } 332 333 334 const char* 335 BCountView::TypeAhead() const 336 { 337 return fTypeAheadString.String(); 338 } 339 340 341 bool 342 BCountView::IsTypingAhead() const 343 { 344 return fTypeAheadString.Length() != 0; 345 } 346 347 348 void 349 BCountView::AddFilterCharacter(const char* character) 350 { 351 fFilterString.AppendChars(character, 1); 352 Invalidate(); 353 } 354 355 356 void 357 BCountView::RemoveFilterCharacter() 358 { 359 fFilterString.TruncateChars(fFilterString.CountChars() - 1); 360 Invalidate(); 361 } 362 363 364 void 365 BCountView::CancelFilter() 366 { 367 fFilterString.Truncate(0); 368 Invalidate(); 369 } 370 371 372 const char* 373 BCountView::Filter() const 374 { 375 return fFilterString.String(); 376 } 377 378 379 bool 380 BCountView::IsFiltering() const 381 { 382 return fFilterString.Length() > 0; 383 } 384