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File Browser: Scroll view with arrow keys navigation

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Adjusts view to display active file after using arrow keys to navigate through files.
This commit is contained in:
Julian Eisel
2015-09-19 03:29:06 +02:00
parent bc5238e3cc
commit d7e88fe1fd
1 changed files with 46 additions and 0 deletions
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46
source/blender/editors/space_file/file_ops.c
View File

@@ -237,6 +237,49 @@ static bool file_is_any_selected(struct FileList *files)
return false;
}
/**
* If \a file is outside viewbounds, this adjusts view to make sure it's inside
*/
static void file_ensure_inside_viewbounds(ARegion *ar, SpaceFile *sfile, const int file)
{
FileLayout *layout = ED_fileselect_get_layout(sfile, ar);
rctf *cur = &ar->v2d.cur;
rcti rect;
bool changed = true;
file_tile_boundbox(ar, layout, file, &rect);
/* down - also use if tile is higher than viewbounds so view is aligned to file name */
if (cur->ymin > rect.ymin || layout->tile_h > ar->winy) {
cur->ymin = rect.ymin - (2 * layout->tile_border_y);
cur->ymax = cur->ymin + ar->winy;
}
/* up */
else if (cur->ymax < rect.ymax) {
cur->ymax = rect.ymax + layout->tile_border_y;
cur->ymin = cur->ymax - ar->winy;
}
/* left - also use if tile is wider than viewbounds so view is aligned to file name */
else if (cur->xmin > rect.xmin || layout->tile_w > ar->winx) {
cur->xmin = rect.xmin - layout->tile_border_x;
cur->xmax = cur->xmin + ar->winx;
}
/* right */
else if (cur->xmax < rect.xmax) {
cur->xmax = rect.xmax + (2 * layout->tile_border_x);
cur->xmin = cur->xmax - ar->winx;
}
else {
BLI_assert(cur->xmin <= rect.xmin && cur->xmax >= rect.xmax &&
cur->ymin <= rect.ymin && cur->ymax >= rect.ymax);
changed = false;
}
if (changed) {
UI_view2d_curRect_validate(&ar->v2d);
}
}
static FileSelect file_select(bContext *C, const rcti *rect, FileSelType select, bool fill, bool do_diropen)
{
@@ -574,6 +617,9 @@ static bool file_walk_select_selection_set(
BLI_assert(IN_RANGE(active, -1, numfiles));
fileselect_file_set(sfile, params->active_file);
/* ensure newly selected file is inside viewbounds */
file_ensure_inside_viewbounds(CTX_wm_region(C), sfile, params->active_file);
/* selection changed */
return true;
}