1 files changed, 254 insertions, 0 deletions
diff --git a/raveos-hyprland-theme/theme-data/dms/Modals/DankLauncherV2/NavigationHelpers.js b/raveos-hyprland-theme/theme-data/dms/Modals/DankLauncherV2/NavigationHelpers.js
new file mode 100644
index 0000000..1e78b11
--- /dev/null
+++ b/raveos-hyprland-theme/theme-data/dms/Modals/DankLauncherV2/NavigationHelpers.js
@@ -0,0 +1,254 @@
+.pragma library
+
+function getFirstItemIndex(flatModel) {
+    for (var i = 0; i < flatModel.length; i++) {
+        if (!flatModel[i].isHeader)
+            return i;
+    }
+    return 0;
+}
+
+function findNextNonHeaderIndex(flatModel, startIndex) {
+    for (var i = startIndex; i < flatModel.length; i++) {
+        if (!flatModel[i].isHeader)
+            return i;
+    }
+    return -1;
+}
+
+function findPrevNonHeaderIndex(flatModel, startIndex) {
+    for (var i = startIndex; i >= 0; i--) {
+        if (!flatModel[i].isHeader)
+            return i;
+    }
+    return -1;
+}
+
+function getSectionBounds(flatModel, sectionId) {
+    if (flatModel._sectionBounds && flatModel._sectionBounds[sectionId])
+        return flatModel._sectionBounds[sectionId];
+
+    var start = -1, end = -1;
+    for (var i = 0; i < flatModel.length; i++) {
+        if (flatModel[i].isHeader && flatModel[i].section?.id === sectionId) {
+            start = i + 1;
+        } else if (start >= 0 && !flatModel[i].isHeader && flatModel[i].sectionId === sectionId) {
+            end = i;
+        } else if (start >= 0 && end >= 0 && flatModel[i].sectionId !== sectionId) {
+            break;
+        }
+    }
+    return {
+        start: start,
+        end: end,
+        count: end >= start ? end - start + 1 : 0
+    };
+}
+
+function getGridColumns(viewMode, gridColumns) {
+    switch (viewMode) {
+        case "tile":
+            return 3;
+        case "grid":
+            return gridColumns;
+        default:
+            return 1;
+    }
+}
+
+function calculateNextIndex(flatModel, selectedFlatIndex, sectionId, viewMode, gridColumns, getSectionViewModeFn) {
+    if (flatModel.length === 0)
+        return selectedFlatIndex;
+
+    var entry = flatModel[selectedFlatIndex];
+    if (!entry || entry.isHeader) {
+        var next = findNextNonHeaderIndex(flatModel, selectedFlatIndex + 1);
+        return next !== -1 ? next : selectedFlatIndex;
+    }
+
+    var actualViewMode = viewMode || getSectionViewModeFn(entry.sectionId);
+    if (actualViewMode === "list") {
+        var next = findNextNonHeaderIndex(flatModel, selectedFlatIndex + 1);
+        return next !== -1 ? next : selectedFlatIndex;
+    }
+
+    var bounds = getSectionBounds(flatModel, entry.sectionId);
+    var cols = getGridColumns(actualViewMode, gridColumns);
+    var posInSection = selectedFlatIndex - bounds.start;
+    var newPosInSection = posInSection + cols;
+
+    if (newPosInSection < bounds.count) {
+        return bounds.start + newPosInSection;
+    }
+
+    var currentRow = Math.floor(posInSection / cols);
+    var lastRow = Math.floor((bounds.count - 1) / cols);
+    if (currentRow < lastRow) {
+        return bounds.start + bounds.count - 1;
+    }
+
+    var nextSection = findNextNonHeaderIndex(flatModel, bounds.end + 1);
+    return nextSection !== -1 ? nextSection : selectedFlatIndex;
+}
+
+function calculatePrevIndex(flatModel, selectedFlatIndex, sectionId, viewMode, gridColumns, getSectionViewModeFn) {
+    if (flatModel.length === 0)
+        return selectedFlatIndex;
+
+    var entry = flatModel[selectedFlatIndex];
+    if (!entry || entry.isHeader) {
+        var prev = findPrevNonHeaderIndex(flatModel, selectedFlatIndex - 1);
+        return prev !== -1 ? prev : selectedFlatIndex;
+    }
+
+    var actualViewMode = viewMode || getSectionViewModeFn(entry.sectionId);
+    if (actualViewMode === "list") {
+        var prev = findPrevNonHeaderIndex(flatModel, selectedFlatIndex - 1);
+        return prev !== -1 ? prev : selectedFlatIndex;
+    }
+
+    var bounds = getSectionBounds(flatModel, entry.sectionId);
+    var cols = getGridColumns(actualViewMode, gridColumns);
+    var posInSection = selectedFlatIndex - bounds.start;
+    var newPosInSection = posInSection - cols;
+
+    if (newPosInSection >= 0) {
+        return bounds.start + newPosInSection;
+    }
+
+    var prevItem = findPrevNonHeaderIndex(flatModel, bounds.start - 1);
+    return prevItem !== -1 ? prevItem : selectedFlatIndex;
+}
+
+function calculateRightIndex(flatModel, selectedFlatIndex, getSectionViewModeFn) {
+    if (flatModel.length === 0)
+        return selectedFlatIndex;
+
+    var entry = flatModel[selectedFlatIndex];
+    if (!entry || entry.isHeader) {
+        var next = findNextNonHeaderIndex(flatModel, selectedFlatIndex + 1);
+        return next !== -1 ? next : selectedFlatIndex;
+    }
+
+    var viewMode = getSectionViewModeFn(entry.sectionId);
+    if (viewMode === "list") {
+        var next = findNextNonHeaderIndex(flatModel, selectedFlatIndex + 1);
+        return next !== -1 ? next : selectedFlatIndex;
+    }
+
+    var bounds = getSectionBounds(flatModel, entry.sectionId);
+    var posInSection = selectedFlatIndex - bounds.start;
+    if (posInSection + 1 < bounds.count) {
+        return bounds.start + posInSection + 1;
+    }
+    return selectedFlatIndex;
+}
+
+function calculateLeftIndex(flatModel, selectedFlatIndex, getSectionViewModeFn) {
+    if (flatModel.length === 0)
+        return selectedFlatIndex;
+
+    var entry = flatModel[selectedFlatIndex];
+    if (!entry || entry.isHeader) {
+        var prev = findPrevNonHeaderIndex(flatModel, selectedFlatIndex - 1);
+        return prev !== -1 ? prev : selectedFlatIndex;
+    }
+
+    var viewMode = getSectionViewModeFn(entry.sectionId);
+    if (viewMode === "list") {
+        var prev = findPrevNonHeaderIndex(flatModel, selectedFlatIndex - 1);
+        return prev !== -1 ? prev : selectedFlatIndex;
+    }
+
+    var bounds = getSectionBounds(flatModel, entry.sectionId);
+    var posInSection = selectedFlatIndex - bounds.start;
+    if (posInSection > 0) {
+        return bounds.start + posInSection - 1;
+    }
+    return selectedFlatIndex;
+}
+
+function calculateNextSectionIndex(flatModel, selectedFlatIndex) {
+    var currentSection = null;
+    if (selectedFlatIndex >= 0 && selectedFlatIndex < flatModel.length) {
+        currentSection = flatModel[selectedFlatIndex].sectionId;
+    }
+
+    var foundCurrent = false;
+    for (var i = 0; i < flatModel.length; i++) {
+        if (flatModel[i].isHeader) {
+            if (foundCurrent) {
+                for (var j = i + 1; j < flatModel.length; j++) {
+                    if (!flatModel[j].isHeader)
+                        return j;
+                }
+            }
+            if (flatModel[i].section.id === currentSection) {
+                foundCurrent = true;
+            }
+        }
+    }
+    return selectedFlatIndex;
+}
+
+function calculatePrevSectionIndex(flatModel, selectedFlatIndex) {
+    var currentSection = null;
+    if (selectedFlatIndex >= 0 && selectedFlatIndex < flatModel.length) {
+        currentSection = flatModel[selectedFlatIndex].sectionId;
+    }
+
+    var lastSectionStart = -1;
+    var prevSectionStart = -1;
+
+    for (var i = 0; i < flatModel.length; i++) {
+        if (flatModel[i].isHeader) {
+            if (flatModel[i].section.id === currentSection) {
+                break;
+            }
+            prevSectionStart = lastSectionStart;
+            lastSectionStart = i;
+        }
+    }
+
+    if (prevSectionStart >= 0) {
+        for (var j = prevSectionStart + 1; j < flatModel.length; j++) {
+            if (!flatModel[j].isHeader)
+                return j;
+        }
+    }
+    return selectedFlatIndex;
+}
+
+function calculatePageDownIndex(flatModel, selectedFlatIndex, visibleItems) {
+    if (flatModel.length === 0)
+        return selectedFlatIndex;
+
+    var itemsToSkip = visibleItems || 8;
+    var newIndex = selectedFlatIndex;
+
+    for (var i = 0; i < itemsToSkip; i++) {
+        var next = findNextNonHeaderIndex(flatModel, newIndex + 1);
+        if (next === -1)
+            break;
+        newIndex = next;
+    }
+
+    return newIndex;
+}
+
+function calculatePageUpIndex(flatModel, selectedFlatIndex, visibleItems) {
+    if (flatModel.length === 0)
+        return selectedFlatIndex;
+
+    var itemsToSkip = visibleItems || 8;
+    var newIndex = selectedFlatIndex;
+
+    for (var i = 0; i < itemsToSkip; i++) {
+        var prev = findPrevNonHeaderIndex(flatModel, newIndex - 1);
+        if (prev === -1)
+            break;
+        newIndex = prev;
+    }
+
+    return newIndex;
+}