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fix: make Files lists scroll with arrow keys

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daniel
2026-08-29 19:07:02 +02:00
parent f69f08acbb
commit 70fa2016d1
2 changed files with 24 additions and 1 deletions
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programs/src/desktop/apps/filemanager/events.cpp
+23
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@@ -319,6 +319,27 @@ void filemanager_on_mouse(Window* win, MouseEvent& ev) {
}
}
// Keep the selected row inside the visible list area so arrow-key navigation
// scrolls the view along with the selection.
static void filemanager_scroll_to_selected(Window* win, FileManagerState* fm) {
if (fm->grid_view) return;
if (fm->selected < 0 || fm->selected >= fm->entry_count) return;
int list_y = FM_TOOLBAR_H + FM_PATHBAR_H + FM_HEADER_H;
int list_h = win->content_h - list_y;
if (list_h <= 0) return;
int top = fm->selected * FM_ITEM_H;
int off = fm->scrollbar.scroll_offset;
if (top < off) off = top;
else if (top + FM_ITEM_H > off + list_h) off = top + FM_ITEM_H - list_h;
int max_scroll = fm->entry_count * FM_ITEM_H - list_h;
if (off > max_scroll) off = max_scroll;
if (off < 0) off = 0;
fm->scrollbar.scroll_offset = off;
}
void filemanager_on_key(Window* win, const montauk::abi::KeyEvent& key) {
FileManagerState* fm = (FileManagerState*)win->app_data;
if (!fm || !key.pressed) return;
@@ -455,6 +476,7 @@ void filemanager_on_key(Window* win, const montauk::abi::KeyEvent& key) {
} else {
if (fm->selected > 0) fm->selected--;
}
filemanager_scroll_to_selected(win, fm);
} else if (key.scancode == 0x50) {
// Down arrow
if (fm->grid_view) {
@@ -465,6 +487,7 @@ void filemanager_on_key(Window* win, const montauk::abi::KeyEvent& key) {
} else {
if (fm->selected < fm->entry_count - 1) fm->selected++;
}
filemanager_scroll_to_selected(win, fm);
} else if (key.scancode == 0x4B && !key.alt && fm->grid_view) {
// Left arrow (grid view only)
if (fm->selected > 0) fm->selected--;