| 264 | } |
| 265 | |
| 266 | bool MouseController::preMouseMove_( int x, int y ) |
| 267 | { |
| 268 | auto& viewer = getViewerInstance(); |
| 269 | |
| 270 | // Click and dragging behavior |
| 271 | if ( clickButton_ != MouseButton::NoButton ) |
| 272 | { |
| 273 | if ( std::abs( x - downMousePos_.x ) + std::abs( y - downMousePos_.y ) > cMouseClickDist || |
| 274 | ( std::chrono::system_clock::now() - clickTime_ ).count() > cMouseClickNs ) |
| 275 | { |
| 276 | // Moved the mouse far/long enough - replay mouse down in original position |
| 277 | MouseButton btn = clickButton_; |
| 278 | clickButton_ = MouseButton::NoButton; |
| 279 | // Note: currentMousePos_ is used as a position in pick functions |
| 280 | currentMousePos_ = downMousePos_; |
| 281 | if ( clickPendingDown_ == btn ) |
| 282 | mouseDown_( btn, clickModifiers_ ); // Also handles dragging |
| 283 | // Continue mouse move handle as if it was a single event from downMousePos_ |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | prevMousePos_ = currentMousePos_; |
| 288 | currentMousePos_ = { x,y }; |
| 289 | |
| 290 | if ( dragActive_ ) |
| 291 | return viewer.drag( x, y ); |
| 292 | if ( clickButton_ != MouseButton::NoButton ) |
| 293 | return false; |
| 294 | |
| 295 | // Own handle (camera control) |
| 296 | |
| 297 | if ( currentMode_ == MouseMode::None ) |
| 298 | return false; |
| 299 | |
| 300 | auto& viewport = viewer.viewport(); |
| 301 | AffineXf3f xf; |
| 302 | switch ( currentMode_ ) |
| 303 | { |
| 304 | case MR::MouseMode::Rotation: |
| 305 | { |
| 306 | auto quat = viewport.getParameters().cameraTrackballAngle; |
| 307 | float maxDimension = float( std::max( viewer.framebufferSize.x, viewer.framebufferSize.y ) ); |
| 308 | auto angle = PI_F * ( Vector2f( currentMousePos_ ) - Vector2f( prevMousePos_ ) ) / maxDimension * 4.0f; |
| 309 | quat = ( |
| 310 | quat.inverse() * |
| 311 | Quaternionf( Vector3f{ 0,1,0 }, angle.x ) * |
| 312 | Quaternionf( Vector3f{ 1,0,0 }, angle.y ) * |
| 313 | quat |
| 314 | ).normalized(); |
| 315 | xf = AffineXf3f::linear( Matrix3f( quat ) ); |
| 316 | break; |
| 317 | } |
| 318 | case MR::MouseMode::Roll: |
| 319 | { |
| 320 | auto quat = viewport.getParameters().cameraTrackballAngle; |
| 321 | auto angle = PI_F * ( currentMousePos_.x - prevMousePos_.x ) / viewer.framebufferSize.x * 4.0f; |
| 322 | quat = ( |
| 323 | quat.inverse() * |
nothing calls this directly
no test coverage detected