| 1089 | }; |
| 1090 | |
| 1091 | void SelectHandle::TimerHandler::OnTimer(Observer::Message) |
| 1092 | { |
| 1093 | // AS: If the user is dragging the mouse and there is a track that |
| 1094 | // has captured the mouse, then scroll the screen, as necessary. |
| 1095 | |
| 1096 | /// We check on each timer tick to see if we need to scroll. |
| 1097 | |
| 1098 | // DM: If we're "autoscrolling" (which means that we're scrolling |
| 1099 | // because the user dragged from inside to outside the window, |
| 1100 | // not because the user clicked in the scroll bar), then |
| 1101 | // the selection code needs to be handled slightly differently. |
| 1102 | // We set this flag ("mAutoScrolling") to tell the selecting |
| 1103 | // code that we didn't get here as a result of a mouse event, |
| 1104 | // and therefore it should ignore the event, |
| 1105 | // and instead use the last known mouse position. Setting |
| 1106 | // this flag also causes the Mac to redraw immediately rather |
| 1107 | // than waiting for the next update event; this makes scrolling |
| 1108 | // smoother on MacOS 9. |
| 1109 | |
| 1110 | const auto project = mConnectedProject; |
| 1111 | const auto &trackPanel = TrackPanel::Get( *project ); |
| 1112 | auto &viewport = Viewport::Get(*project); |
| 1113 | if (mParent->mMostRecentX >= mParent->mRect.x + mParent->mRect.width) { |
| 1114 | mParent->mAutoScrolling = true; |
| 1115 | viewport.OnScrollRight(); |
| 1116 | } |
| 1117 | else if (mParent->mMostRecentX < mParent->mRect.x) { |
| 1118 | mParent->mAutoScrolling = true; |
| 1119 | viewport.OnScrollLeft(); |
| 1120 | } |
| 1121 | else { |
| 1122 | // Bug1387: enable autoscroll during drag, if the pointer is at either |
| 1123 | // extreme x coordinate of the screen, even if that is still within the |
| 1124 | // track area. |
| 1125 | |
| 1126 | int xx = mParent->mMostRecentX, yy = 0; |
| 1127 | trackPanel.ClientToScreen(&xx, &yy); |
| 1128 | if (xx == 0) { |
| 1129 | mParent->mAutoScrolling = true; |
| 1130 | viewport.OnScrollLeft(); |
| 1131 | } |
| 1132 | else { |
| 1133 | int width, height; |
| 1134 | ::wxDisplaySize(&width, &height); |
| 1135 | if (xx == width - 1) { |
| 1136 | mParent->mAutoScrolling = true; |
| 1137 | viewport.OnScrollRight(); |
| 1138 | } |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | const auto pChannel = mParent->FindChannel(); |
| 1143 | if (mParent->mAutoScrolling && pChannel) { |
| 1144 | // AS: To keep the selection working properly as we scroll, |
| 1145 | // we fake a mouse event (remember, this method is called |
| 1146 | // from a timer tick). |
| 1147 | |
| 1148 | // AS: For some reason, GCC won't let us pass this directly. |
nothing calls this directly
no test coverage detected