File indexing completed on 2024-05-19 05:34:08

 /*
     SPDX-FileCopyrightText: 2016 Smith AR <audoban@openmailbox.org>
     SPDX-FileCopyrightText: 2016-2018 Michail Vourlakos <mvourlakos@gmail.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 function wheelActivateNextPrevTask(wheelDelta, eventDelta) {
     // magic number 120 for common "one click"
     // See: http://qt-project.org/doc/qt-5/qml-qtquick-wheelevent.html#angleDelta-prop
     wheelDelta += eventDelta;
     var increment = 0;
     while (wheelDelta >= 120) {
         wheelDelta -= 120;
         increment++;
     }
     while (wheelDelta <= -120) {
         wheelDelta += 120;
         increment--;
     }
     while (increment != 0) {
         activateNextPrevTask(increment < 0)
         increment += (increment < 0) ? 1 : -1;
     }
 
     return wheelDelta;
 }
 
 function activateTask(index, model, modifiers, task) {
     if (modifiers & Qt.ControlModifier) {
         tasksModel.requestNewInstance(index);
     } else if (task.isGroupParent) {
         task.activateNextTask();
        // if (backend.canPresentWindows()) {
         //    backend.presentWindows(model.LegacyWinIdList);
        // }
         /*} else if (groupDialog.visible) {
             groupDialog.visible = false;
         } else {
             groupDialog.visualParent = task;
             groupDialog.visible = true;
         }*/
     } else {
         if (model.IsMinimized === true) {
             tasksModel.requestToggleMinimized(index);
             tasksModel.requestActivate(index);
         } else if (model.IsActive === true) {
             tasksModel.requestToggleMinimized(index);
         } else {
             tasksModel.requestActivate(index);
         }
     }
 }
 
 
 function activateNextPrevTask(next) {
     // FIXME TODO: Unnecessarily convoluted and costly; optimize.
 
     var taskIndexList = [];
     var activeTaskIndex = tasksModel.activeTask;
 
     for (var i = 0; i < taskList.children.length - 1; ++i) {
         var task = taskList.children[i];
         var modelIndex = task.modelIndex(i);
 
         if (task !== undefined){
             if (task.IsLauncher !== true && task.IsStartup !== true) {
                 if (task.m.IsGroupParent === true) {
                     for (var j = 0; j < tasksModel.rowCount(modelIndex); ++j) {
                         taskIndexList.push(tasksModel.makeModelIndex(i, j));
                     }
                 } else {
                     taskIndexList.push(modelIndex);
                 }
             }
         }
     }
 
     if (!taskIndexList.length) {
         return;
     }
 
     var target = taskIndexList[0];
 
     for (var i = 0; i < taskIndexList.length; ++i) {
         if (taskIndexList[i] === activeTaskIndex)
         {
             if (next && i < (taskIndexList.length - 1)) {
                 target = taskIndexList[i + 1];
             } else if (!next) {
                 if (i) {
                     target = taskIndexList[i - 1];
                 } else {
                     target = taskIndexList[taskIndexList.length - 1];
                 }
             }
 
             break;
         }
     }
 
     tasksModel.requestActivate(target);
 }
 
 function insertIndexAt(above, x, y) {
     if (above && above.itemIndex) {
         return above.itemIndex;
     } else {
         var distance = root.vertical ? y : x;
         //var step = root.vertical ? LayoutManager.taskWidth() : LayoutManager.taskHeight();
         var step = appletAbilities.metrics.totals.length;
         var stripe = Math.ceil(distance / step);
 
         /* if (stripe === LayoutManager.calculateStripes()) {
             return tasksModel.count - 1;
         } else {
             return stripe * LayoutManager.tasksPerStripe();
         }*/
 
         return stripe-1;
     }
 }