Merge branch 'master' into temp-gpencil-drw-engine

 Conflicts:
	source/blender/draw/engines/gpencil/gpencil_engine.c

9 files changed, 1112 insertions, 665 deletions

diff --git a/source/blender/editors/space_file/file_draw.c b/source/blender/editors/space_file/file_draw.c
index 3a6d59c1dbf..0aec6d5e6a0 100644
--- a/source/blender/editors/space_file/file_draw.c
+++ b/source/blender/editors/space_file/file_draw.c
@@ -26,6 +26,7 @@
 #include <errno.h>
 
 #include "BLI_blenlib.h"
+#include "BLI_fileops_types.h"
 #include "BLI_utildefines.h"
 #include "BLI_math.h"
 
@@ -70,239 +71,57 @@
 
 #include "file_intern.h"  // own include
 
-/* Dummy helper - we need dynamic tooltips here. */
-static char *file_draw_tooltip_func(bContext *UNUSED(C), void *argN, const char *UNUSED(tip))
+void ED_file_path_button(bScreen *screen,
+                         const SpaceFile *sfile,
+                         FileSelectParams *params,
+                         uiBlock *block)
 {
-  char *dyn_tooltip = argN;
-  return BLI_strdup(dyn_tooltip);
-}
-
-/* Note: This function uses pixelspace (0, 0, winx, winy), not view2d.
- * The controls are laid out as follows:
- *
- * -------------------------------------------
- * | Directory input               | execute |
- * -------------------------------------------
- * | Filename input        | + | - | cancel  |
- * -------------------------------------------
- *
- * The input widgets will stretch to fill any excess space.
- * When there isn't enough space for all controls to be shown, they are
- * hidden in this order: x/-, execute/cancel, input widgets.
- */
-void file_draw_buttons(const bContext *C, ARegion *ar)
-{
-  /* Button layout. */
-  const int max_x = ar->winx - 10;
-  const int line1_y = ar->winy - (IMASEL_BUTTONS_HEIGHT / 2 + IMASEL_BUTTONS_MARGIN);
-  const int line2_y = line1_y - (IMASEL_BUTTONS_HEIGHT / 2 + IMASEL_BUTTONS_MARGIN);
-  const int input_minw = 20;
-  const int btn_h = UI_UNIT_Y;
-  const int btn_fn_w = UI_UNIT_X;
-  const int btn_minw = 80;
-  const int btn_margin = 20;
-  const int separator = 4;
-
-  /* Additional locals. */
-  char uiblockstr[32];
-  int loadbutton;
-  int fnumbuttons;
-  int min_x = 10;
-  int chan_offs = 0;
-  int available_w = max_x - min_x;
-  int line1_w = available_w;
-  int line2_w = available_w;
-
+  PointerRNA params_rna_ptr;
   uiBut *but;
-  uiBlock *block;
-  SpaceFile *sfile = CTX_wm_space_file(C);
-  FileSelectParams *params = ED_fileselect_get_params(sfile);
-  ARegion *artmp;
-  const bool is_browse_only = (sfile->op == NULL);
-
-  /* Initialize UI block. */
-  BLI_snprintf(uiblockstr, sizeof(uiblockstr), "win %p", (void *)ar);
-  block = UI_block_begin(C, ar, uiblockstr, UI_EMBOSS);
-
-  /* exception to make space for collapsed region icon */
-  for (artmp = CTX_wm_area(C)->regionbase.first; artmp; artmp = artmp->next) {
-    if (artmp->regiontype == RGN_TYPE_TOOLS && artmp->flag & RGN_FLAG_HIDDEN) {
-      chan_offs = 16;
-      min_x += chan_offs;
-      available_w -= chan_offs;
-    }
-  }
-
-  /* Is there enough space for the execute / cancel buttons? */
 
-  if (is_browse_only) {
-    loadbutton = 0;
-  }
-  else {
-    const uiFontStyle *fstyle = UI_FSTYLE_WIDGET;
-    loadbutton = UI_fontstyle_string_width(fstyle, params->title) + btn_margin;
-    CLAMP_MIN(loadbutton, btn_minw);
-    if (available_w <= loadbutton + separator + input_minw) {
-      loadbutton = 0;
-    }
+  RNA_pointer_create(&screen->id, &RNA_FileSelectParams, params, &params_rna_ptr);
+
+  /* callbacks for operator check functions */
+  UI_block_func_set(block, file_draw_check_cb, NULL, NULL);
+
+  but = uiDefButR(block,
+                  UI_BTYPE_TEXT,
+                  -1,
+                  "",
+                  0,
+                  0,
+                  UI_UNIT_X * 10,
+                  UI_UNIT_Y,
+                  &params_rna_ptr,
+                  "directory",
+                  0,
+                  0.0f,
+                  (float)FILE_MAX,
+                  0.0f,
+                  0.0f,
+                  TIP_("File path"));
+
+  BLI_assert(!UI_but_flag_is_set(but, UI_BUT_UNDO));
+  BLI_assert(!UI_but_is_utf8(but));
+
+  UI_but_func_complete_set(but, autocomplete_directory, NULL);
+  UI_but_funcN_set(but, file_directory_enter_handle, NULL, but);
+
+  /* TODO, directory editing is non-functional while a library is loaded
+   * until this is properly supported just disable it. */
+  if (sfile && sfile->files && filelist_lib(sfile->files)) {
+    UI_but_flag_enable(but, UI_BUT_DISABLED);
   }
 
-  if (loadbutton) {
-    line1_w -= (loadbutton + separator);
-    line2_w = line1_w;
-  }
-
-  /* Is there enough space for file number increment/decrement buttons? */
-  fnumbuttons = 2 * btn_fn_w;
-  if (!loadbutton || line2_w <= fnumbuttons + separator + input_minw) {
-    fnumbuttons = 0;
-  }
-  else {
-    line2_w -= (fnumbuttons + separator);
-  }
-
-  /* Text input fields for directory and file. */
-  if (available_w > 0) {
-    const struct FileDirEntry *file = sfile->files ?
-                                          filelist_file(sfile->files, params->active_file) :
-                                          NULL;
-    int overwrite_alert = file_draw_check_exists(sfile);
-    const bool is_active_dir = file && (file->typeflag & FILE_TYPE_FOLDER);
-
-    /* callbacks for operator check functions */
-    UI_block_func_set(block, file_draw_check_cb, NULL, NULL);
-
-    but = uiDefBut(block,
-                   UI_BTYPE_TEXT,
-                   -1,
-                   "",
-                   min_x,
-                   line1_y,
-                   line1_w - chan_offs,
-                   btn_h,
-                   params->dir,
-                   0.0,
-                   (float)FILE_MAX,
-                   0,
-                   0,
-                   TIP_("File path"));
-    UI_but_func_complete_set(but, autocomplete_directory, NULL);
-    UI_but_flag_enable(but, UI_BUT_NO_UTF8);
-    UI_but_flag_disable(but, UI_BUT_UNDO);
-    UI_but_funcN_set(but, file_directory_enter_handle, NULL, but);
-
-    /* TODO, directory editing is non-functional while a library is loaded
-     * until this is properly supported just disable it. */
-    if (sfile->files && filelist_lib(sfile->files)) {
-      UI_but_flag_enable(but, UI_BUT_DISABLED);
-    }
-
-    if ((params->flag & FILE_DIRSEL_ONLY) == 0) {
-      but = uiDefBut(
-          block,
-          UI_BTYPE_TEXT,
-          -1,
-          "",
-          min_x,
-          line2_y,
-          line2_w - chan_offs,
-          btn_h,
-          is_active_dir ? (char *)"" : params->file,
-          0.0,
-          (float)FILE_MAXFILE,
-          0,
-          0,
-          TIP_(overwrite_alert ? N_("File name, overwrite existing") : N_("File name")));
-      UI_but_func_complete_set(but, autocomplete_file, NULL);
-      UI_but_flag_enable(but, UI_BUT_NO_UTF8);
-      UI_but_flag_disable(but, UI_BUT_UNDO);
-      /* silly workaround calling NFunc to ensure this does not get called
-       * immediate ui_apply_but_func but only after button deactivates */
-      UI_but_funcN_set(but, file_filename_enter_handle, NULL, but);
-
-      /* check if this overrides a file and if the operator option is used */
-      if (overwrite_alert) {
-        UI_but_flag_enable(but, UI_BUT_REDALERT);
-      }
-    }
-
-    /* clear func */
-    UI_block_func_set(block, NULL, NULL, NULL);
-  }
-
-  /* Filename number increment / decrement buttons. */
-  if (fnumbuttons && (params->flag & FILE_DIRSEL_ONLY) == 0) {
-    UI_block_align_begin(block);
-    but = uiDefIconButO(block,
-                        UI_BTYPE_BUT,
-                        "FILE_OT_filenum",
-                        0,
-                        ICON_REMOVE,
-                        min_x + line2_w + separator - chan_offs,
-                        line2_y,
-                        btn_fn_w,
-                        btn_h,
-                        TIP_("Decrement the filename number"));
-    RNA_int_set(UI_but_operator_ptr_get(but), "increment", -1);
-
-    but = uiDefIconButO(block,
-                        UI_BTYPE_BUT,
-                        "FILE_OT_filenum",
-                        0,
-                        ICON_ADD,
-                        min_x + line2_w + separator + btn_fn_w - chan_offs,
-                        line2_y,
-                        btn_fn_w,
-                        btn_h,
-                        TIP_("Increment the filename number"));
-    RNA_int_set(UI_but_operator_ptr_get(but), "increment", 1);
-    UI_block_align_end(block);
-  }
-
-  /* Execute / cancel buttons. */
-  if (loadbutton) {
-    const struct FileDirEntry *file = sfile->files ?
-                                          filelist_file(sfile->files, params->active_file) :
-                                          NULL;
-    char const *str_exec;
-
-    if (file && FILENAME_IS_PARENT(file->relpath)) {
-      str_exec = IFACE_("Parent Directory");
-    }
-    else if (file && file->typeflag & FILE_TYPE_DIR) {
-      str_exec = IFACE_("Open Directory");
-    }
-    else {
-      str_exec = params->title; /* params->title is already translated! */
-    }
-
-    but = uiDefButO(block,
-                    UI_BTYPE_BUT,
-                    "FILE_OT_execute",
-                    WM_OP_EXEC_REGION_WIN,
-                    str_exec,
-                    max_x - loadbutton,
-                    line1_y,
-                    loadbutton,
-                    btn_h,
-                    "");
-    /* Just a display hint. */
-    UI_but_flag_enable(but, UI_BUT_ACTIVE_DEFAULT);
-
-    uiDefButO(block,
-              UI_BTYPE_BUT,
-              "FILE_OT_cancel",
-              WM_OP_EXEC_REGION_WIN,
-              IFACE_("Cancel"),
-              max_x - loadbutton,
-              line2_y,
-              loadbutton,
-              btn_h,
-              "");
-  }
+  /* clear func */
+  UI_block_func_set(block, NULL, NULL, NULL);
+}
 
-  UI_block_end(C, block);
-  UI_block_draw(C, block);
+/* Dummy helper - we need dynamic tooltips here. */
+static char *file_draw_tooltip_func(bContext *UNUSED(C), void *argN, const char *UNUSED(tip))
+{
+  char *dyn_tooltip = argN;
+  return BLI_strdup(dyn_tooltip);
 }
 
 static void draw_tile(int sx, int sy, int width, int height, int colorid, int shade)
@@ -319,13 +138,10 @@ static void file_draw_icon(
 {
   uiBut *but;
   int x, y;
-  // float alpha = 1.0f;
 
   x = sx;
   y = sy - height;
 
-  /*if (icon == ICON_FILE_BLANK) alpha = 0.375f;*/
-
   but = uiDefIconBut(
       block, UI_BTYPE_LABEL, 0, icon, x, y, width, height, NULL, 0.0f, 0.0f, 0.0f, 0.0f, NULL);
   UI_but_func_tooltip_set(but, file_draw_tooltip_func, BLI_strdup(path));
@@ -349,7 +165,7 @@ static void file_draw_string(int sx,
   rcti rect;
   char fname[FILE_MAXFILE];
 
-  if (string[0] == '\0') {
+  if (string[0] == '\0' || width < 1) {
     return;
   }
 
@@ -362,7 +178,7 @@ static void file_draw_string(int sx,
   /* no text clipping needed, UI_fontstyle_draw does it but is a bit too strict
    * (for buttons it works) */
   rect.xmin = sx;
-  rect.xmax = (int)(sx + ceil(width + 5.0f / UI_DPI_FAC));
+  rect.xmax = sx + round_fl_to_int(width);
   rect.ymin = sy - height;
   rect.ymax = sy;
 
@@ -404,8 +220,8 @@ static void file_draw_preview(uiBlock *block,
   float scaledx, scaledy;
   float scale;
   int ex, ey;
-  bool use_dropshadow = !is_icon && (typeflags & FILE_TYPE_IMAGE);
-  float col[4] = {1.0f, 1.0f, 1.0f, 1.0f};
+  bool show_outline = !is_icon &&
+                      (typeflags & (FILE_TYPE_IMAGE | FILE_TYPE_MOVIE | FILE_TYPE_BLENDER));
 
   BLI_assert(imb != NULL);
 
@@ -440,15 +256,20 @@ static void file_draw_preview(uiBlock *block,
   xco = sx + (int)dx;
   yco = sy - layout->prv_h + (int)dy;
 
-  /* shadow */
-  if (use_dropshadow) {
-    UI_draw_box_shadow(220, (float)xco, (float)yco, (float)(xco + ex), (float)(yco + ey));
-  }
-
   GPU_blend(true);
 
-  /* the image */
-  if (!is_icon && typeflags & FILE_TYPE_FTFONT) {
+  /* the large image */
+
+  float col[4] = {1.0f, 1.0f, 1.0f, 1.0f};
+  if (is_icon) {
+    if (typeflags & FILE_TYPE_DIR) {
+      UI_GetThemeColor4fv(TH_ICON_FOLDER, col);
+    }
+    else {
+      UI_GetThemeColor4fv(TH_TEXT, col);
+    }
+  }
+  else if (typeflags & FILE_TYPE_FTFONT) {
     UI_GetThemeColor4fv(TH_TEXT, col);
   }
 
@@ -477,30 +298,58 @@ static void file_draw_preview(uiBlock *block,
   GPU_blend_set_func_separate(
       GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
 
-  if (icon) {
-    UI_icon_draw_ex((float)xco + (7 * UI_DPI_FAC),
-                    (float)yco + (7 * UI_DPI_FAC),
-                    icon,
-                    icon_aspect,
-                    1.0f,
-                    0.0f,
-                    NULL,
-                    false);
+  if (icon && (icon != ICON_FILE_FONT)) {
+    /* size of center icon is scaled to fit container and UI scale */
+    float icon_x, icon_y;
+
+    if (is_icon) {
+      const float icon_size = 16.0f / icon_aspect * U.dpi_fac;
+      float icon_opacity = 0.3f;
+      uchar icon_color[4] = {0, 0, 0, 255};
+      float bgcolor[4];
+      UI_GetThemeColor4fv(TH_ICON_FOLDER, bgcolor);
+      if (rgb_to_grayscale(bgcolor) < 0.5f) {
+        icon_color[0] = 255;
+        icon_color[1] = 255;
+        icon_color[2] = 255;
+      }
+      icon_x = xco + (ex / 2.0f) - (icon_size / 2.0f);
+      icon_y = yco + (ey / 2.0f) - (icon_size * ((typeflags & FILE_TYPE_DIR) ? 0.78f : 0.75f));
+      UI_icon_draw_ex(
+          icon_x, icon_y, icon, icon_aspect / U.dpi_fac, icon_opacity, 0.0f, icon_color, false);
+    }
+    else {
+      const uchar dark[4] = {0, 0, 0, 255};
+      const uchar light[4] = {255, 255, 255, 255};
+
+      /* Smaller, fainter icon for preview image thumbnail. */
+      icon_x = xco + (2.0f * UI_DPI_FAC);
+      icon_y = yco + (2.0f * UI_DPI_FAC);
+
+      UI_icon_draw_ex(icon_x + 1, icon_y - 1, icon, 1.0f / U.dpi_fac, 0.2f, 0.0f, dark, false);
+      UI_icon_draw_ex(icon_x, icon_y, icon, 1.0f / U.dpi_fac, 0.6f, 0.0f, light, false);
+    }
   }
 
-  /* border */
-  if (use_dropshadow) {
+  /* Contrasting outline around some preview types. */
+  if (show_outline) {
     GPUVertFormat *format = immVertexFormat();
     uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
-
     immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
-    immUniformColor4f(0.0f, 0.0f, 0.0f, 0.4f);
+    float border_color[4] = {1.0f, 1.0f, 1.0f, 0.4f};
+    float bgcolor[4];
+    UI_GetThemeColor4fv(TH_BACK, bgcolor);
+    if (rgb_to_grayscale(bgcolor) > 0.5f) {
+      border_color[0] = 0.0f;
+      border_color[1] = 0.0f;
+      border_color[2] = 0.0f;
+    }
+    immUniformColor4fv(border_color);
     imm_draw_box_wire_2d(pos, (float)xco, (float)yco, (float)(xco + ex), (float)(yco + ey));
     immUnbindProgram();
   }
 
   but = uiDefBut(block, UI_BTYPE_LABEL, 0, "", xco, yco, ex, ey, NULL, 0.0, 0.0, 0, 0, NULL);
-  UI_but_func_tooltip_set(but, file_draw_tooltip_func, BLI_strdup(path));
 
   /* dragregion */
   if (drag) {
@@ -557,6 +406,7 @@ static void renamebutton_cb(bContext *C, void *UNUSED(arg1), char *oldname)
 
 static void draw_background(FileLayout *layout, View2D *v2d)
 {
+  const int item_height = layout->tile_h + (2 * layout->tile_border_y);
   int i;
   int sy;
 
@@ -565,9 +415,11 @@ static void draw_background(FileLayout *layout, View2D *v2d)
   immUniformThemeColorShade(TH_BACK, -7);
 
   /* alternating flat shade background */
-  for (i = 0; (i <= layout->rows); i += 2) {
-    sy = (int)v2d->cur.ymax - i * (layout->tile_h + 2 * layout->tile_border_y) -
-         layout->tile_border_y;
+  for (i = 2; (i <= layout->rows + 1); i += 2) {
+    sy = (int)v2d->cur.ymax - layout->offset_top - i * item_height - layout->tile_border_y;
+
+    /* Offsett pattern slightly to add scroll effect. */
+    sy += round_fl_to_int(item_height * (v2d->tot.ymax - v2d->cur.ymax) / item_height);
 
     immRectf(pos,
              v2d->cur.xmin,
@@ -632,6 +484,176 @@ static void draw_dividers(FileLayout *layout, View2D *v2d)
   }
 }
 
+static void draw_columnheader_background(const FileLayout *layout, const View2D *v2d)
+{
+  uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
+
+  immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
+  immUniformThemeColorShade(TH_BACK, 11);
+
+  immRectf(pos,
+           v2d->cur.xmin,
+           v2d->cur.ymax - layout->attribute_column_header_h,
+           v2d->cur.xmax,
+           v2d->cur.ymax);
+
+  immUnbindProgram();
+}
+
+static void draw_columnheader_columns(const FileSelectParams *params,
+                                      FileLayout *layout,
+                                      const View2D *v2d,
+                                      const uchar text_col[4])
+{
+  const float divider_pad = 0.2 * layout->attribute_column_header_h;
+  int sx = v2d->cur.xmin, sy = v2d->cur.ymax;
+
+  for (FileAttributeColumnType column_type = 0; column_type < ATTRIBUTE_COLUMN_MAX;
+       column_type++) {
+    if (!file_attribute_column_type_enabled(params, column_type)) {
+      continue;
+    }
+    const FileAttributeColumn *column = &layout->attribute_columns[column_type];
+
+    /* Active sort type triangle */
+    if (params->sort == column->sort_type) {
+      float tri_color[4];
+
+      rgba_uchar_to_float(tri_color, text_col);
+      UI_draw_icon_tri(sx + column->width - (0.3f * U.widget_unit) -
+                           ATTRIBUTE_COLUMN_PADDING / 2.0f,
+                       sy + (0.1f * U.widget_unit) - (layout->attribute_column_header_h / 2),
+                       (params->flag & FILE_SORT_INVERT) ? 't' : 'v',
+                       tri_color);
+    }
+
+    file_draw_string(sx + ATTRIBUTE_COLUMN_PADDING,
+                     sy - layout->tile_border_y,
+                     IFACE_(column->name),
+                     column->width - 2 * ATTRIBUTE_COLUMN_PADDING,
+                     layout->attribute_column_header_h - layout->tile_border_y,
+                     UI_STYLE_TEXT_LEFT,
+                     text_col);
+
+    /* Separator line */
+    if (column_type != COLUMN_NAME) {
+      uint pos = GPU_vertformat_attr_add(
+          immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
+
+      immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
+      immUniformThemeColorShade(TH_BACK, -10);
+      immBegin(GPU_PRIM_LINES, 2);
+      immVertex2f(pos, sx - 1, sy - divider_pad);
+      immVertex2f(pos, sx - 1, sy - layout->attribute_column_header_h + divider_pad);
+      immEnd();
+      immUnbindProgram();
+    }
+
+    sx += column->width;
+  }
+
+  /* Vertical separator lines line */
+  {
+    uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
+    immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
+    immUniformThemeColorShade(TH_BACK, -10);
+    immBegin(GPU_PRIM_LINES, 4);
+    immVertex2f(pos, v2d->cur.xmin, sy);
+    immVertex2f(pos, v2d->cur.xmax, sy);
+    immVertex2f(pos, v2d->cur.xmin, sy - layout->attribute_column_header_h);
+    immVertex2f(pos, v2d->cur.xmax, sy - layout->attribute_column_header_h);
+    immEnd();
+    immUnbindProgram();
+  }
+}
+
+/**
+ * Updates the stat string stored in file->entry if necessary.
+ */
+static const char *filelist_get_details_column_string(FileAttributeColumnType column,
+                                                      const FileDirEntry *file,
+                                                      const bool small_size,
+                                                      const bool update_stat_strings)
+{
+  switch (column) {
+    case COLUMN_DATETIME:
+      if (!(file->typeflag & FILE_TYPE_BLENDERLIB) && !FILENAME_IS_CURRPAR(file->relpath)) {
+        if ((file->entry->datetime_str[0] == '\0') || update_stat_strings) {
+          char date[FILELIST_DIRENTRY_DATE_LEN], time[FILELIST_DIRENTRY_TIME_LEN];
+          bool is_today, is_yesterday;
+
+          BLI_filelist_entry_datetime_to_string(
+              NULL, file->entry->time, small_size, time, date, &is_today, &is_yesterday);
+
+          if (is_today || is_yesterday) {
+            BLI_strncpy(date, is_today ? N_("Today") : N_("Yesterday"), sizeof(date));
+          }
+          BLI_snprintf(
+              file->entry->datetime_str, sizeof(file->entry->datetime_str), "%s %s", date, time);
+        }
+
+        return file->entry->datetime_str;
+      }
+      break;
+    case COLUMN_SIZE:
+      if ((file->typeflag & (FILE_TYPE_BLENDER | FILE_TYPE_BLENDER_BACKUP)) ||
+          !(file->typeflag & (FILE_TYPE_DIR | FILE_TYPE_BLENDERLIB))) {
+        if ((file->entry->size_str[0] == '\0') || update_stat_strings) {
+          BLI_filelist_entry_size_to_string(
+              NULL, file->entry->size, small_size, file->entry->size_str);
+        }
+
+        return file->entry->size_str;
+      }
+      break;
+    default:
+      break;
+  }
+
+  return NULL;
+}
+
+static void draw_details_columns(const FileSelectParams *params,
+                                 const FileLayout *layout,
+                                 const FileDirEntry *file,
+                                 const int pos_x,
+                                 const int pos_y,
+                                 const uchar text_col[4])
+{
+  const bool small_size = SMALL_SIZE_CHECK(params->thumbnail_size);
+  const bool update_stat_strings = small_size != SMALL_SIZE_CHECK(layout->curr_size);
+  int sx = pos_x - layout->tile_border_x - (UI_UNIT_X * 0.1f), sy = pos_y;
+
+  for (FileAttributeColumnType column_type = 0; column_type < ATTRIBUTE_COLUMN_MAX;
+       column_type++) {
+    const FileAttributeColumn *column = &layout->attribute_columns[column_type];
+
+    /* Name column is not a detail column (should already be drawn), always skip here. */
+    if (column_type == COLUMN_NAME) {
+      sx += column->width;
+      continue;
+    }
+    if (!file_attribute_column_type_enabled(params, column_type)) {
+      continue;
+    }
+
+    const char *str = filelist_get_details_column_string(
+        column_type, file, small_size, update_stat_strings);
+
+    if (str) {
+      file_draw_string(sx + ATTRIBUTE_COLUMN_PADDING,
+                       sy - layout->tile_border_y,
+                       IFACE_(str),
+                       column->width - 2 * ATTRIBUTE_COLUMN_PADDING,
+                       layout->tile_h,
+                       column->text_align,
+                       text_col);
+    }
+
+    sx += column->width;
+  }
+}
+
 void file_draw_list(const bContext *C, ARegion *ar)
 {
   SpaceFile *sfile = CTX_wm_space_file(C);
@@ -652,18 +674,14 @@ void file_draw_list(const bContext *C, ARegion *ar)
   bool is_icon;
   eFontStyle_Align align;
   bool do_drag;
-  int column_space = 0.6f * UI_UNIT_X;
   unsigned char text_col[4];
-  const bool small_size = SMALL_SIZE_CHECK(params->thumbnail_size);
-  const bool update_stat_strings = small_size != SMALL_SIZE_CHECK(layout->curr_size);
-  const float thumb_icon_aspect = sqrtf(64.0f / (float)(params->thumbnail_size));
+  const bool draw_columnheader = (params->display == FILE_VERTICALDISPLAY);
+  const float thumb_icon_aspect = MIN2(64.0f / (float)(params->thumbnail_size), 1.0f);
 
   numfiles = filelist_files_ensure(files);
 
   if (params->display != FILE_IMGDISPLAY) {
-
     draw_background(layout, v2d);
-
     draw_dividers(layout, v2d);
   }
 
@@ -679,13 +697,14 @@ void file_draw_list(const bContext *C, ARegion *ar)
     numfiles_layout += layout->rows;
   }
   else {
-    numfiles_layout += layout->columns;
+    numfiles_layout += layout->flow_columns;
   }
 
   filelist_file_cache_slidingwindow_set(files, numfiles_layout);
 
-  textwidth = (FILE_IMGDISPLAY == params->display) ? layout->tile_w :
-                                                     (int)layout->column_widths[COLUMN_NAME];
+  textwidth = (FILE_IMGDISPLAY == params->display) ?
+                  layout->tile_w :
+                  round_fl_to_int(layout->attribute_columns[COLUMN_NAME].width);
   textheight = (int)(layout->textheight * 3.0 / 2.0 + 0.5);
 
   align = (FILE_IMGDISPLAY == params->display) ? UI_STYLE_TEXT_CENTER : UI_STYLE_TEXT_LEFT;
@@ -719,11 +738,16 @@ void file_draw_list(const bContext *C, ARegion *ar)
 
   BLF_batch_draw_begin();
 
+  UI_GetThemeColor4ubv(TH_TEXT, text_col);
+
   for (i = offset; (i < numfiles) && (i < offset + numfiles_layout); i++) {
     unsigned int file_selflag;
     char path[FILE_MAX_LIBEXTRA];
+    int padx = 0.1f * UI_UNIT_X;
+    int icon_ofs = 0;
+
     ED_fileselect_layout_tilepos(layout, i, &sx, &sy);
-    sx += (int)(v2d->tot.xmin + 0.1f * UI_UNIT_X);
+    sx += (int)(v2d->tot.xmin + padx);
     sy = (int)(v2d->tot.ymax - sy);
 
     file = filelist_file(files, i);
@@ -737,15 +761,14 @@ void file_draw_list(const bContext *C, ARegion *ar)
         int colorid = (file_selflag & FILE_SEL_SELECTED) ? TH_HILITE : TH_BACK;
         int shade = (params->highlight_file == i) || (file_selflag & FILE_SEL_HIGHLIGHTED) ? 35 :
                                                                                              0;
+        const short width = ELEM(params->display, FILE_VERTICALDISPLAY, FILE_HORIZONTALDISPLAY) ?
+                                layout->tile_w - (2 * padx) :
+                                layout->tile_w;
 
         BLI_assert(i == 0 || !FILENAME_IS_CURRPAR(file->relpath));
 
-        draw_tile(sx,
-                  sy - 1,
-                  layout->tile_w + 4,
-                  sfile->layout->tile_h + layout->tile_border_y,
-                  colorid,
-                  shade);
+        draw_tile(
+            sx, sy - 1, width, sfile->layout->tile_h + layout->tile_border_y, colorid, shade);
       }
     }
     UI_draw_roundbox_corner_set(UI_CNR_NONE);
@@ -778,38 +801,28 @@ void file_draw_list(const bContext *C, ARegion *ar)
       file_draw_icon(block,
                      path,
                      sx,
-                     sy - (UI_UNIT_Y / 6),
+                     sy - layout->tile_border_y,
                      filelist_geticon(files, i, true),
                      ICON_DEFAULT_WIDTH_SCALE,
                      ICON_DEFAULT_HEIGHT_SCALE,
                      do_drag);
-      sx += ICON_DEFAULT_WIDTH_SCALE + 0.2f * UI_UNIT_X;
+      icon_ofs += ICON_DEFAULT_WIDTH_SCALE + 0.2f * UI_UNIT_X;
     }
 
-    UI_GetThemeColor4ubv(TH_TEXT, text_col);
-
     if (file_selflag & FILE_SEL_EDITING) {
       uiBut *but;
-      short width;
-
-      if (params->display == FILE_SHORTDISPLAY) {
-        width = layout->tile_w - (ICON_DEFAULT_WIDTH_SCALE + 0.2f * UI_UNIT_X);
-      }
-      else if (params->display == FILE_LONGDISPLAY) {
-        width = layout->column_widths[COLUMN_NAME] + (column_space * 3.5f);
-      }
-      else {
-        BLI_assert(params->display == FILE_IMGDISPLAY);
-        width = textwidth;
-      }
+      const short width = (params->display == FILE_IMGDISPLAY) ?
+                              textwidth :
+                              layout->attribute_columns[COLUMN_NAME].width -
+                                  ATTRIBUTE_COLUMN_PADDING;
 
       but = uiDefBut(block,
                      UI_BTYPE_TEXT,
                      1,
                      "",
-                     sx,
+                     sx + icon_ofs,
                      sy - layout->tile_h - 0.15f * UI_UNIT_X,
-                     width,
+                     width - icon_ofs,
                      textheight,
                      sfile->params->renamefile,
                      1.0f,
@@ -825,74 +838,19 @@ void file_draw_list(const bContext *C, ARegion *ar)
             sfile->files, file, FILE_SEL_REMOVE, FILE_SEL_EDITING, CHECK_ALL);
       }
     }
-
-    if (!(file_selflag & FILE_SEL_EDITING)) {
-      int tpos = (FILE_IMGDISPLAY == params->display) ? sy - layout->tile_h + layout->textheight :
-                                                        sy;
-      file_draw_string(sx + 1, tpos, file->name, (float)textwidth, textheight, align, text_col);
-    }
-
-    sx += (int)layout->column_widths[COLUMN_NAME] + column_space;
-    if (params->display == FILE_SHORTDISPLAY) {
-      if ((file->typeflag & (FILE_TYPE_BLENDER | FILE_TYPE_BLENDER_BACKUP)) ||
-          !(file->typeflag & (FILE_TYPE_DIR | FILE_TYPE_BLENDERLIB))) {
-        if ((file->entry->size_str[0] == '\0') || update_stat_strings) {
-          BLI_filelist_entry_size_to_string(
-              NULL, file->entry->size, small_size, file->entry->size_str);
-        }
-        file_draw_string(sx,
-                         sy,
-                         file->entry->size_str,
-                         layout->column_widths[COLUMN_SIZE],
-                         layout->tile_h,
-                         align,
-                         text_col);
-      }
-      sx += (int)layout->column_widths[COLUMN_SIZE] + column_space;
+    else {
+      const int txpos = (params->display == FILE_IMGDISPLAY) ? sx : sx + 1 + icon_ofs;
+      const int typos = (params->display == FILE_IMGDISPLAY) ?
+                            sy - layout->tile_h + layout->textheight :
+                            sy - layout->tile_border_y;
+      const int twidth = (params->display == FILE_IMGDISPLAY) ?
+                             textwidth :
+                             textwidth - 1 - icon_ofs - padx - layout->tile_border_x;
+      file_draw_string(txpos, typos, file->name, (float)twidth, textheight, align, text_col);
     }
-    else if (params->display == FILE_LONGDISPLAY) {
-      if (!(file->typeflag & FILE_TYPE_BLENDERLIB) && !FILENAME_IS_CURRPAR(file->relpath)) {
-        if ((file->entry->date_str[0] == '\0') || update_stat_strings) {
-          BLI_filelist_entry_datetime_to_string(
-              NULL, file->entry->time, small_size, file->entry->time_str, file->entry->date_str);
-        }
-        file_draw_string(sx,
-                         sy,
-                         file->entry->date_str,
-                         layout->column_widths[COLUMN_DATE],
-                         layout->tile_h,
-                         align,
-                         text_col);
-        sx += (int)layout->column_widths[COLUMN_DATE] + column_space;
-        file_draw_string(sx,
-                         sy,
-                         file->entry->time_str,
-                         layout->column_widths[COLUMN_TIME],
-                         layout->tile_h,
-                         align,
-                         text_col);
-        sx += (int)layout->column_widths[COLUMN_TIME] + column_space;
-      }
-      else {
-        sx += (int)layout->column_widths[COLUMN_DATE] + column_space;
-        sx += (int)layout->column_widths[COLUMN_TIME] + column_space;
-      }
 
-      if ((file->typeflag & (FILE_TYPE_BLENDER | FILE_TYPE_BLENDER_BACKUP)) ||
-          !(file->typeflag & (FILE_TYPE_DIR | FILE_TYPE_BLENDERLIB))) {
-        if ((file->entry->size_str[0] == '\0') || update_stat_strings) {
-          BLI_filelist_entry_size_to_string(
-              NULL, file->entry->size, small_size, file->entry->size_str);
-        }
-        file_draw_string(sx,
-                         sy,
-                         file->entry->size_str,
-                         layout->column_widths[COLUMN_SIZE],
-                         layout->tile_h,
-                         align,
-                         text_col);
-      }
-      sx += (int)layout->column_widths[COLUMN_SIZE] + column_space;
+    if (params->display != FILE_IMGDISPLAY) {
+      draw_details_columns(params, layout, file, sx, sy, text_col);
     }
   }
 
@@ -901,5 +859,11 @@ void file_draw_list(const bContext *C, ARegion *ar)
   UI_block_end(C, block);
   UI_block_draw(C, block);
 
+  /* Draw last, on top of file list. */
+  if (draw_columnheader) {
+    draw_columnheader_background(layout, v2d);
+    draw_columnheader_columns(params, layout, v2d, text_col);
+  }
+
   layout->curr_size = params->thumbnail_size;
 }
diff --git a/source/blender/editors/space_file/file_intern.h b/source/blender/editors/space_file/file_intern.h
index bad25511dd5..b0ff67844d8 100644
--- a/source/blender/editors/space_file/file_intern.h
+++ b/source/blender/editors/space_file/file_intern.h
@@ -30,9 +30,7 @@ struct ARegion;
 struct ARegionType;
 struct FileSelectParams;
 struct SpaceFile;
-
-/* file_ops.c */
-struct ARegion *file_tools_region(struct ScrArea *sa);
+struct View2D;
 
 /* file_draw.c */
 #define TILE_BORDER_X (UI_UNIT_X / 4)
@@ -42,9 +40,10 @@ struct ARegion *file_tools_region(struct ScrArea *sa);
 #define IMASEL_BUTTONS_HEIGHT (UI_UNIT_Y * 2)
 #define IMASEL_BUTTONS_MARGIN (UI_UNIT_Y / 6)
 
+#define ATTRIBUTE_COLUMN_PADDING (0.5f * UI_UNIT_X)
+
 #define SMALL_SIZE_CHECK(_size) ((_size) < 64) /* Related to FileSelectParams.thumbnail_size. */
 
-void file_draw_buttons(const bContext *C, ARegion *ar);
 void file_calc_previews(const bContext *C, ARegion *ar);
 void file_draw_list(const bContext *C, ARegion *ar);
 
@@ -64,6 +63,7 @@ typedef enum WalkSelectDirection {
 } WalkSelectDirections;
 
 void FILE_OT_highlight(struct wmOperatorType *ot);
+void FILE_OT_sort_column_ui_context(struct wmOperatorType *ot);
 void FILE_OT_select(struct wmOperatorType *ot);
 void FILE_OT_select_walk(struct wmOperatorType *ot);
 void FILE_OT_select_all(struct wmOperatorType *ot);
@@ -82,7 +82,6 @@ void FILE_OT_directory_new(struct wmOperatorType *ot);
 void FILE_OT_previous(struct wmOperatorType *ot);
 void FILE_OT_next(struct wmOperatorType *ot);
 void FILE_OT_refresh(struct wmOperatorType *ot);
-void FILE_OT_bookmark_toggle(struct wmOperatorType *ot);
 void FILE_OT_filenum(struct wmOperatorType *ot);
 void FILE_OT_delete(struct wmOperatorType *ot);
 void FILE_OT_rename(struct wmOperatorType *ot);
@@ -108,10 +107,21 @@ void file_sfile_to_operator_ex(bContext *C,
                                struct SpaceFile *sfile,
                                char *filepath);
 void file_sfile_to_operator(bContext *C, struct wmOperator *op, struct SpaceFile *sfile);
+
 void file_operator_to_sfile(bContext *C, struct SpaceFile *sfile, struct wmOperator *op);
 
 /* filesel.c */
 void fileselect_file_set(SpaceFile *sfile, const int index);
+bool file_attribute_column_type_enabled(const FileSelectParams *params,
+                                        FileAttributeColumnType column);
+bool file_attribute_column_header_is_inside(const struct View2D *v2d,
+                                            const FileLayout *layout,
+                                            int x,
+                                            int y);
+FileAttributeColumnType file_attribute_column_type_find_isect(const View2D *v2d,
+                                                              const FileSelectParams *params,
+                                                              FileLayout *layout,
+                                                              int x);
 float file_string_width(const char *str);
 
 float file_font_pointsize(void);
@@ -122,7 +132,8 @@ int autocomplete_file(struct bContext *C, char *str, void *arg_v);
 void file_params_renamefile_activate(struct SpaceFile *sfile, struct FileSelectParams *params);
 
 /* file_panels.c */
-void file_panels_register(struct ARegionType *art);
+void file_tool_props_region_panels_register(struct ARegionType *art);
+void file_execute_region_panels_register(struct ARegionType *art);
 
 /* file_utils.c */
 void file_tile_boundbox(const ARegion *ar, FileLayout *layout, const int file, rcti *r_bounds);
diff --git a/source/blender/editors/space_file/file_ops.c b/source/blender/editors/space_file/file_ops.c
index eb5f02b6e13..b4b51de302d 100644
--- a/source/blender/editors/space_file/file_ops.c
+++ b/source/blender/editors/space_file/file_ops.c
@@ -78,7 +78,12 @@ static FileSelection find_file_mouse_rect(SpaceFile *sfile, ARegion *ar, const r
 
   BLI_rctf_rcti_copy(&rect_region_fl, rect_region);
 
+  /* Okay, manipulating v2d rects here is hacky...  */
+  v2d->mask.ymax -= sfile->layout->offset_top;
+  v2d->cur.ymax -= sfile->layout->offset_top;
   UI_view2d_region_to_view_rctf(v2d, &rect_region_fl, &rect_view_fl);
+  v2d->mask.ymax += sfile->layout->offset_top;
+  v2d->cur.ymax += sfile->layout->offset_top;
 
   BLI_rcti_init(&rect_view,
                 (int)(v2d->tot.xmin + rect_view_fl.xmin),
@@ -190,7 +195,6 @@ static FileSelect file_select_do(bContext *C, int selected_idx, bool do_diropen)
       const bool is_parent_dir = FILENAME_IS_PARENT(file->relpath);
 
       if (do_diropen == false) {
-        params->file[0] = '\0';
         retval = FILE_SELECT_DIR;
       }
       /* the path is too long and we are not going up! */
@@ -235,7 +239,7 @@ static bool file_is_any_selected(struct FileList *files)
   int i;
 
   /* Is any file selected ? */
-  for (i = 0; i < numfiles; ++i) {
+  for (i = 0; i < numfiles; i++) {
     if (filelist_entry_select_index_get(files, i, CHECK_ALL)) {
       return true;
     }
@@ -262,8 +266,8 @@ static void file_ensure_inside_viewbounds(ARegion *ar, SpaceFile *sfile, const i
     cur->ymax = cur->ymin + ar->winy;
   }
   /* up */
-  else if (cur->ymax < rect.ymax) {
-    cur->ymax = rect.ymax + layout->tile_border_y;
+  else if ((cur->ymax - layout->offset_top) < rect.ymax) {
+    cur->ymax = rect.ymax + layout->tile_border_y + layout->offset_top;
     cur->ymin = cur->ymax - ar->winy;
   }
   /* left - also use if tile is wider than viewbounds so view is aligned to file name */
@@ -278,7 +282,7 @@ static void file_ensure_inside_viewbounds(ARegion *ar, SpaceFile *sfile, const i
   }
   else {
     BLI_assert(cur->xmin <= rect.xmin && cur->xmax >= rect.xmax && cur->ymin <= rect.ymin &&
-               cur->ymax >= rect.ymax);
+               (cur->ymax - layout->offset_top) >= rect.ymax);
     changed = false;
   }
 
@@ -384,7 +388,7 @@ static int file_box_select_modal(bContext *C, wmOperator *op, const wmEvent *eve
   if (result == OPERATOR_RUNNING_MODAL) {
     WM_operator_properties_border_to_rcti(op, &rect);
 
-    BLI_rcti_isect(&(ar->v2d.mask), &rect, &rect);
+    ED_fileselect_layout_isect_rect(sfile->layout, &ar->v2d, &rect, &rect);
 
     sel = file_selection_get(C, &rect, 0);
     if ((sel.first != params->sel_first) || (sel.last != params->sel_last)) {
@@ -440,13 +444,13 @@ static int file_box_select_exec(bContext *C, wmOperator *op)
     file_deselect_all(sfile, FILE_SEL_SELECTED);
   }
 
-  BLI_rcti_isect(&(ar->v2d.mask), &rect, &rect);
+  ED_fileselect_layout_isect_rect(sfile->layout, &ar->v2d, &rect, &rect);
 
   ret = file_select(C, &rect, select ? FILE_SEL_ADD : FILE_SEL_REMOVE, false, false);
 
   /* unselect '..' parent entry - it's not supposed to be selected if more than
    * one file is selected */
-  filelist_entry_select_index_set(sfile->files, 0, FILE_SEL_REMOVE, FILE_SEL_SELECTED, CHECK_ALL);
+  filelist_entry_parent_select_set(sfile->files, FILE_SEL_REMOVE, FILE_SEL_SELECTED, CHECK_ALL);
 
   if (FILE_SELECT_DIR == ret) {
     WM_event_add_notifier(C, NC_SPACE | ND_SPACE_FILE_LIST, NULL);
@@ -485,6 +489,7 @@ static int file_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
   const bool extend = RNA_boolean_get(op->ptr, "extend");
   const bool fill = RNA_boolean_get(op->ptr, "fill");
   const bool do_diropen = RNA_boolean_get(op->ptr, "open");
+  const bool deselect_all = RNA_boolean_get(op->ptr, "deselect_all");
 
   if (ar->regiontype != RGN_TYPE_WINDOW) {
     return OPERATOR_CANCELLED;
@@ -493,7 +498,7 @@ static int file_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
   rect.xmin = rect.xmax = event->mval[0];
   rect.ymin = rect.ymax = event->mval[1];
 
-  if (!BLI_rcti_isect_pt(&ar->v2d.mask, rect.xmin, rect.ymin)) {
+  if (!ED_fileselect_layout_is_inside_pt(sfile->layout, &ar->v2d, rect.xmin, rect.ymin)) {
     return OPERATOR_CANCELLED;
   }
 
@@ -514,14 +519,18 @@ static int file_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
   if (extend) {
     /* unselect '..' parent entry - it's not supposed to be selected if more
      * than one file is selected */
-    filelist_entry_select_index_set(
-        sfile->files, 0, FILE_SEL_REMOVE, FILE_SEL_SELECTED, CHECK_ALL);
+    filelist_entry_parent_select_set(sfile->files, FILE_SEL_REMOVE, FILE_SEL_SELECTED, CHECK_ALL);
   }
 
-  if (FILE_SELECT_DIR == ret) {
+  if (ret == FILE_SELECT_NOTHING) {
+    if (deselect_all) {
+      file_deselect_all(sfile, FILE_SEL_SELECTED);
+    }
+  }
+  else if (ret == FILE_SELECT_DIR) {
     WM_event_add_notifier(C, NC_SPACE | ND_SPACE_FILE_LIST, NULL);
   }
-  else if (FILE_SELECT_FILE == ret) {
+  else if (ret == FILE_SELECT_FILE) {
     WM_event_add_notifier(C, NC_SPACE | ND_SPACE_FILE_PARAMS, NULL);
   }
 
@@ -537,8 +546,8 @@ void FILE_OT_select(wmOperatorType *ot)
 
   /* identifiers */
   ot->name = "Select";
-  ot->description = "Activate/select file";
   ot->idname = "FILE_OT_select";
+  ot->description = "Handle mouse clicks to select and activate items";
 
   /* api callbacks */
   ot->invoke = file_select_invoke;
@@ -556,6 +565,12 @@ void FILE_OT_select(wmOperatorType *ot)
   RNA_def_property_flag(prop, PROP_SKIP_SAVE);
   prop = RNA_def_boolean(ot->srna, "open", true, "Open", "Open a directory when selecting it");
   RNA_def_property_flag(prop, PROP_SKIP_SAVE);
+  prop = RNA_def_boolean(ot->srna,
+                         "deselect_all",
+                         false,
+                         "Deselect On Nothing",
+                         "Deselect all when nothing under the cursor");
+  RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
 /**
@@ -580,6 +595,11 @@ static bool file_walk_select_selection_set(bContext *C,
 
   BLI_assert(params);
 
+  if (numfiles == 0) {
+    /* No files visible, nothing to do. */
+    return false;
+  }
+
   if (has_selection) {
     if (extend && filelist_entry_select_index_get(files, active_old, CHECK_ALL) &&
         filelist_entry_select_index_get(files, active_new, CHECK_ALL)) {
@@ -609,7 +629,7 @@ static bool file_walk_select_selection_set(bContext *C,
     }
     /* select first file */
     else if (ELEM(direction, FILE_SELECT_WALK_DOWN, FILE_SELECT_WALK_RIGHT)) {
-      params->active_file = active = extend ? 1 : 0;
+      params->active_file = active = 0;
     }
     else {
       BLI_assert(0);
@@ -626,7 +646,7 @@ static bool file_walk_select_selection_set(bContext *C,
 
     /* unselect '..' parent entry - it's not supposed to be selected if more
      * than one file is selected */
-    filelist_entry_select_index_set(files, 0, FILE_SEL_REMOVE, FILE_SEL_SELECTED, CHECK_ALL);
+    filelist_entry_parent_select_set(files, FILE_SEL_REMOVE, FILE_SEL_SELECTED, CHECK_ALL);
   }
   else {
     /* deselect all first */
@@ -641,11 +661,6 @@ static bool file_walk_select_selection_set(bContext *C,
   if (fill) {
     FileSelection sel = {MIN2(active, last_sel), MAX2(active, last_sel)};
 
-    /* clamping selection to not include '..' parent entry */
-    if (sel.first == 0) {
-      sel.first = 1;
-    }
-
     /* fill selection between last and first selected file */
     filelist_entries_select_index_range_set(
         files, &sel, deselect ? FILE_SEL_REMOVE : FILE_SEL_ADD, FILE_SEL_SELECTED, CHECK_ALL);
@@ -653,6 +668,12 @@ static bool file_walk_select_selection_set(bContext *C,
     if (deselect) {
       filelist_entry_select_index_set(files, active, FILE_SEL_ADD, FILE_SEL_SELECTED, CHECK_ALL);
     }
+
+    /* unselect '..' parent entry - it's not supposed to be selected if more
+     * than one file is selected */
+    if ((sel.last - sel.first) > 1) {
+      filelist_entry_parent_select_set(files, FILE_SEL_REMOVE, FILE_SEL_SELECTED, CHECK_ALL);
+    }
   }
   else {
     filelist_entry_select_index_set(
@@ -688,10 +709,15 @@ static bool file_walk_select_do(bContext *C,
 
   /* *** get all needed files for handling selection *** */
 
+  if (numfiles == 0) {
+    /* No files visible, nothing to do. */
+    return false;
+  }
+
   if (has_selection) {
     ARegion *ar = CTX_wm_region(C);
     FileLayout *layout = ED_fileselect_get_layout(sfile, ar);
-    const int idx_shift = (layout->flag & FILE_LAYOUT_HOR) ? layout->rows : layout->columns;
+    const int idx_shift = (layout->flag & FILE_LAYOUT_HOR) ? layout->rows : layout->flow_columns;
 
     if ((layout->flag & FILE_LAYOUT_HOR && direction == FILE_SELECT_WALK_UP) ||
         (layout->flag & FILE_LAYOUT_VER && direction == FILE_SELECT_WALK_LEFT)) {
@@ -718,7 +744,7 @@ static bool file_walk_select_do(bContext *C,
       BLI_assert(0);
     }
 
-    if (!IN_RANGE(active_new, 0, numfiles)) {
+    if (!IN_RANGE(active_new, -1, numfiles)) {
       if (extend) {
         /* extend to invalid file -> abort */
         return false;
@@ -1185,7 +1211,7 @@ int file_highlight_set(SpaceFile *sfile, ARegion *ar, int mx, int my)
   mx -= ar->winrct.xmin;
   my -= ar->winrct.ymin;
 
-  if (BLI_rcti_isect_pt(&ar->v2d.mask, mx, my)) {
+  if (ED_fileselect_layout_is_inside_pt(sfile->layout, v2d, mx, my)) {
     float fx, fy;
     int highlight_file;
 
@@ -1234,6 +1260,53 @@ void FILE_OT_highlight(struct wmOperatorType *ot)
   ot->poll = ED_operator_file_active;
 }
 
+static int file_column_sort_ui_context_invoke(bContext *C,
+                                              wmOperator *UNUSED(op),
+                                              const wmEvent *event)
+{
+  const ARegion *ar = CTX_wm_region(C);
+  SpaceFile *sfile = CTX_wm_space_file(C);
+
+  if (file_attribute_column_header_is_inside(
+          &ar->v2d, sfile->layout, event->mval[0], event->mval[1])) {
+    const FileAttributeColumnType column_type = file_attribute_column_type_find_isect(
+        &ar->v2d, sfile->params, sfile->layout, event->mval[0]);
+
+    if (column_type != COLUMN_NONE) {
+      const FileAttributeColumn *column = &sfile->layout->attribute_columns[column_type];
+
+      if (column->sort_type != FILE_SORT_NONE) {
+        if (sfile->params->sort == column->sort_type) {
+          /* Already sorting by selected column -> toggle sort invert (three state logic). */
+          sfile->params->flag ^= FILE_SORT_INVERT;
+        }
+        else {
+          sfile->params->sort = column->sort_type;
+          sfile->params->flag &= ~FILE_SORT_INVERT;
+        }
+
+        WM_event_add_notifier(C, NC_SPACE | ND_SPACE_FILE_PARAMS, NULL);
+      }
+    }
+  }
+
+  return OPERATOR_PASS_THROUGH;
+}
+
+void FILE_OT_sort_column_ui_context(wmOperatorType *ot)
+{
+  /* identifiers */
+  ot->name = "Sort from Column";
+  ot->description = "Change sorting to use column under cursor";
+  ot->idname = "FILE_OT_sort_column_ui_context";
+
+  /* api callbacks */
+  ot->invoke = file_column_sort_ui_context_invoke;
+  ot->poll = ED_operator_file_active;
+
+  ot->flag = OPTYPE_INTERNAL;
+}
+
 int file_cancel_exec(bContext *C, wmOperator *UNUSED(unused))
 {
   wmWindowManager *wm = CTX_wm_manager(C);
@@ -1433,14 +1506,11 @@ void file_draw_check_cb(bContext *C, void *UNUSED(arg1), void *UNUSED(arg2))
 bool file_draw_check_exists(SpaceFile *sfile)
 {
   if (sfile->op) { /* fails on reload */
-    PropertyRNA *prop;
-    if ((prop = RNA_struct_find_property(sfile->op->ptr, "check_existing"))) {
-      if (RNA_property_boolean_get(sfile->op->ptr, prop)) {
-        char filepath[FILE_MAX];
-        BLI_join_dirfile(filepath, sizeof(filepath), sfile->params->dir, sfile->params->file);
-        if (BLI_is_file(filepath)) {
-          return true;
-        }
+    if (sfile->params && (sfile->params->flag & FILE_CHECK_EXISTING)) {
+      char filepath[FILE_MAX];
+      BLI_join_dirfile(filepath, sizeof(filepath), sfile->params->dir, sfile->params->file);
+      if (BLI_is_file(filepath)) {
+        return true;
       }
     }
   }
@@ -1683,7 +1753,7 @@ static int file_smoothscroll_invoke(bContext *C, wmOperator *UNUSED(op), const w
 
   /* check if we are editing a name */
   int edit_idx = -1;
-  for (i = 0; i < numfiles; ++i) {
+  for (i = 0; i < numfiles; i++) {
     if (filelist_entry_select_index_get(sfile->files, i, CHECK_ALL) &
         (FILE_SEL_EDITING | FILE_SEL_HIGHLIGHTED)) {
       edit_idx = i;
@@ -1713,7 +1783,7 @@ static int file_smoothscroll_invoke(bContext *C, wmOperator *UNUSED(op), const w
   /* Number of items in a block (i.e. lines in a column in horizontal layout, or columns in a line
    * in vertical layout).
    */
-  const int items_block_size = is_horizontal ? sfile->layout->rows : sfile->layout->columns;
+  const int items_block_size = is_horizontal ? sfile->layout->rows : sfile->layout->flow_columns;
 
   /* Scroll offset is the first file in the row/column we are editing in. */
   if (sfile->scroll_offset == 0) {
@@ -1915,6 +1985,7 @@ int file_directory_new_exec(bContext *C, wmOperator *op)
   wmWindowManager *wm = CTX_wm_manager(C);
   SpaceFile *sfile = CTX_wm_space_file(C);
   ScrArea *sa = CTX_wm_area(C);
+  const bool do_diropen = RNA_boolean_get(op->ptr, "open");
 
   if (!sfile->params) {
     BKE_report(op->reports, RPT_WARNING, "No parent directory given");
@@ -1963,9 +2034,11 @@ int file_directory_new_exec(bContext *C, wmOperator *op)
     return OPERATOR_CANCELLED;
   }
 
-  /* now remember file to jump into editing */
-  BLI_strncpy(sfile->params->renamefile, name, FILE_MAXFILE);
-  sfile->params->rename_flag = FILE_PARAMS_RENAME_PENDING;
+  /* If we don't enter the directory directly, remember file to jump into editing. */
+  if (do_diropen == false) {
+    BLI_strncpy(sfile->params->renamefile, name, FILE_MAXFILE);
+    sfile->params->rename_flag = FILE_PARAMS_RENAME_PENDING;
+  }
 
   /* set timer to smoothly view newly generated file */
   /* max 30 frs/sec */
@@ -1978,7 +2051,7 @@ int file_directory_new_exec(bContext *C, wmOperator *op)
   /* reload dir to make sure we're seeing what's in the directory */
   ED_fileselect_clear(wm, sa, sfile);
 
-  if (RNA_boolean_get(op->ptr, "open")) {
+  if (do_diropen) {
     BLI_strncpy(sfile->params->dir, path, sizeof(sfile->params->dir));
     ED_file_change_dir(C);
   }
@@ -1998,7 +2071,7 @@ void FILE_OT_directory_new(struct wmOperatorType *ot)
   ot->idname = "FILE_OT_directory_new";
 
   /* api callbacks */
-  ot->invoke = WM_operator_confirm;
+  ot->invoke = WM_operator_confirm_or_exec;
   ot->exec = file_directory_new_exec;
   ot->poll = ED_operator_file_active; /* <- important, handler is on window level */
 
@@ -2007,6 +2080,7 @@ void FILE_OT_directory_new(struct wmOperatorType *ot)
   RNA_def_property_flag(prop, PROP_SKIP_SAVE);
   prop = RNA_def_boolean(ot->srna, "open", false, "Open", "Open new directory");
   RNA_def_property_flag(prop, PROP_SKIP_SAVE);
+  WM_operator_properties_confirm_or_exec(ot);
 }
 
 /* TODO This should go to BLI_path_utils. */
@@ -2075,6 +2149,10 @@ void file_directory_enter_handle(bContext *C, void *UNUSED(arg_unused), void *UN
   SpaceFile *sfile = CTX_wm_space_file(C);
 
   if (sfile->params) {
+    char old_dir[sizeof(sfile->params->dir)];
+
+    BLI_strncpy(old_dir, sfile->params->dir, sizeof(old_dir));
+
     file_expand_directory(C);
 
     /* special case, user may have pasted a filepath into the directory */
@@ -2108,8 +2186,10 @@ void file_directory_enter_handle(bContext *C, void *UNUSED(arg_unused), void *UN
     BLI_cleanup_dir(BKE_main_blendfile_path(bmain), sfile->params->dir);
 
     if (filelist_is_dir(sfile->files, sfile->params->dir)) {
-      /* if directory exists, enter it immediately */
-      ED_file_change_dir(C);
+      if (!STREQ(sfile->params->dir, old_dir)) { /* Avoids flickering when nothing's changed. */
+        /* if directory exists, enter it immediately */
+        ED_file_change_dir(C);
+      }
 
       /* don't do for now because it selects entire text instead of
        * placing cursor at the end */
@@ -2138,6 +2218,8 @@ void file_directory_enter_handle(bContext *C, void *UNUSED(arg_unused), void *UN
         WM_operator_properties_create_ptr(&ptr, ot);
         RNA_string_set(&ptr, "directory", sfile->params->dir);
         RNA_boolean_set(&ptr, "open", true);
+        /* Enable confirmation prompt, else it's too easy to accidentaly create new directories. */
+        RNA_boolean_set(&ptr, "confirm", true);
 
         if (lastdir) {
           BLI_strncpy(sfile->params->dir, lastdir, sizeof(sfile->params->dir));
@@ -2239,57 +2321,15 @@ void FILE_OT_hidedot(struct wmOperatorType *ot)
   ot->poll = ED_operator_file_active; /* <- important, handler is on window level */
 }
 
-ARegion *file_tools_region(ScrArea *sa)
+static bool file_filenum_poll(bContext *C)
 {
-  ARegion *ar, *arnew;
-
-  if ((ar = BKE_area_find_region_type(sa, RGN_TYPE_TOOLS)) != NULL) {
-    return ar;
-  }
-
-  /* add subdiv level; after header */
-  ar = BKE_area_find_region_type(sa, RGN_TYPE_HEADER);
-
-  /* is error! */
-  if (ar == NULL) {
-    return NULL;
-  }
-
-  arnew = MEM_callocN(sizeof(ARegion), "tools for file");
-  BLI_insertlinkafter(&sa->regionbase, ar, arnew);
-  arnew->regiontype = RGN_TYPE_TOOLS;
-  arnew->alignment = RGN_ALIGN_LEFT;
-
-  ar = MEM_callocN(sizeof(ARegion), "tool props for file");
-  BLI_insertlinkafter(&sa->regionbase, arnew, ar);
-  ar->regiontype = RGN_TYPE_TOOL_PROPS;
-  ar->alignment = RGN_ALIGN_BOTTOM | RGN_SPLIT_PREV;
-
-  return arnew;
-}
-
-static int file_bookmark_toggle_exec(bContext *C, wmOperator *UNUSED(unused))
-{
-  ScrArea *sa = CTX_wm_area(C);
-  ARegion *ar = file_tools_region(sa);
+  SpaceFile *sfile = CTX_wm_space_file(C);
 
-  if (ar) {
-    ED_region_toggle_hidden(C, ar);
+  if (!ED_operator_file_active(C)) {
+    return false;
   }
 
-  return OPERATOR_FINISHED;
-}
-
-void FILE_OT_bookmark_toggle(struct wmOperatorType *ot)
-{
-  /* identifiers */
-  ot->name = "Toggle Bookmarks";
-  ot->description = "Toggle bookmarks display";
-  ot->idname = "FILE_OT_bookmark_toggle";
-
-  /* api callbacks */
-  ot->exec = file_bookmark_toggle_exec;
-  ot->poll = ED_operator_file_active; /* <- important, handler is on window level */
+  return sfile->params && (sfile->params->flag & FILE_CHECK_EXISTING);
 }
 
 /**
@@ -2349,7 +2389,7 @@ void FILE_OT_filenum(struct wmOperatorType *ot)
 
   /* api callbacks */
   ot->exec = file_filenum_exec;
-  ot->poll = ED_operator_file_active; /* <- important, handler is on window level */
+  ot->poll = file_filenum_poll;
 
   /* props */
   RNA_def_int(ot->srna, "increment", 1, -100, 100, "Increment", "", -100, 100);
diff --git a/source/blender/editors/space_file/file_panels.c b/source/blender/editors/space_file/file_panels.c
index d9a6e70121f..9ba098fcf45 100644
--- a/source/blender/editors/space_file/file_panels.c
+++ b/source/blender/editors/space_file/file_panels.c
@@ -95,7 +95,7 @@ static void file_panel_operator(const bContext *C, Panel *pa)
   UI_block_func_set(uiLayoutGetBlock(pa->layout), NULL, NULL, NULL);
 }
 
-void file_panels_register(ARegionType *art)
+void file_tool_props_region_panels_register(ARegionType *art)
 {
   PanelType *pt;
 
@@ -103,8 +103,122 @@ void file_panels_register(ARegionType *art)
   strcpy(pt->idname, "FILE_PT_operator");
   strcpy(pt->label, N_("Operator"));
   strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
+  pt->flag = PNL_NO_HEADER;
   pt->poll = file_panel_operator_poll;
   pt->draw_header = file_panel_operator_header;
   pt->draw = file_panel_operator;
   BLI_addtail(&art->paneltypes, pt);
 }
+
+static void file_panel_execution_cancel_button(uiLayout *layout)
+{
+  uiLayout *row = uiLayoutRow(layout, false);
+  uiLayoutSetScaleX(row, 0.8f);
+  uiLayoutSetFixedSize(row, true);
+  uiItemO(row, IFACE_("Cancel"), ICON_NONE, "FILE_OT_cancel");
+}
+
+static void file_panel_execution_execute_button(uiLayout *layout, const char *title)
+{
+  uiLayout *row = uiLayoutRow(layout, false);
+  uiLayoutSetScaleX(row, 0.8f);
+  uiLayoutSetFixedSize(row, true);
+  /* Just a display hint. */
+  uiLayoutSetActiveDefault(row, true);
+  uiItemO(row, title, ICON_NONE, "FILE_OT_execute");
+}
+
+static void file_panel_execution_buttons_draw(const bContext *C, Panel *pa)
+{
+  bScreen *screen = CTX_wm_screen(C);
+  SpaceFile *sfile = CTX_wm_space_file(C);
+  FileSelectParams *params = ED_fileselect_get_params(sfile);
+  uiBlock *block = uiLayoutGetBlock(pa->layout);
+  uiBut *but;
+  uiLayout *row;
+  PointerRNA params_rna_ptr, *but_extra_rna_ptr;
+
+  const bool overwrite_alert = file_draw_check_exists(sfile);
+  const bool windows_layout =
+#ifdef _WIN32
+      true;
+#else
+      false;
+#endif
+
+  RNA_pointer_create(&screen->id, &RNA_FileSelectParams, params, &params_rna_ptr);
+
+  row = uiLayoutRow(pa->layout, false);
+  uiLayoutSetScaleY(row, 1.3f);
+
+  /* callbacks for operator check functions */
+  UI_block_func_set(block, file_draw_check_cb, NULL, NULL);
+
+  but = uiDefButR(block,
+                  UI_BTYPE_TEXT,
+                  -1,
+                  "",
+                  0,
+                  0,
+                  UI_UNIT_X * 5,
+                  UI_UNIT_Y,
+                  &params_rna_ptr,
+                  "filename",
+                  0,
+                  0.0f,
+                  (float)FILE_MAXFILE,
+                  0,
+                  0,
+                  TIP_(overwrite_alert ? N_("File name, overwrite existing") : N_("File name")));
+
+  BLI_assert(!UI_but_flag_is_set(but, UI_BUT_UNDO));
+  BLI_assert(!UI_but_is_utf8(but));
+
+  UI_but_func_complete_set(but, autocomplete_file, NULL);
+  /* silly workaround calling NFunc to ensure this does not get called
+   * immediate ui_apply_but_func but only after button deactivates */
+  UI_but_funcN_set(but, file_filename_enter_handle, NULL, but);
+
+  if (params->flag & FILE_CHECK_EXISTING) {
+    but_extra_rna_ptr = UI_but_extra_operator_icon_add(
+        but, "FILE_OT_filenum", WM_OP_EXEC_REGION_WIN, ICON_ADD);
+    RNA_int_set(but_extra_rna_ptr, "increment", 1);
+    but_extra_rna_ptr = UI_but_extra_operator_icon_add(
+        but, "FILE_OT_filenum", WM_OP_EXEC_REGION_WIN, ICON_REMOVE);
+    RNA_int_set(but_extra_rna_ptr, "increment", -1);
+  }
+
+  /* check if this overrides a file and if the operator option is used */
+  if (overwrite_alert) {
+    UI_but_flag_enable(but, UI_BUT_REDALERT);
+  }
+  UI_block_func_set(block, NULL, NULL, NULL);
+
+  {
+    uiLayout *sub = uiLayoutRow(row, false);
+    uiLayoutSetOperatorContext(sub, WM_OP_EXEC_REGION_WIN);
+
+    if (windows_layout) {
+      file_panel_execution_execute_button(sub, params->title);
+      file_panel_execution_cancel_button(sub);
+    }
+    else {
+      file_panel_execution_cancel_button(sub);
+      file_panel_execution_execute_button(sub, params->title);
+    }
+  }
+}
+
+void file_execute_region_panels_register(ARegionType *art)
+{
+  PanelType *pt;
+
+  pt = MEM_callocN(sizeof(PanelType), "spacetype file execution buttons");
+  strcpy(pt->idname, "FILE_PT_execution_buttons");
+  strcpy(pt->label, N_("Execute Buttons"));
+  strcpy(pt->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
+  pt->flag = PNL_NO_HEADER;
+  pt->poll = file_panel_operator_poll;
+  pt->draw = file_panel_execution_buttons_draw;
+  BLI_addtail(&art->paneltypes, pt);
+}
diff --git a/source/blender/editors/space_file/filelist.c b/source/blender/editors/space_file/filelist.c
index f7dda1defe8..27cccf6bab1 100644
--- a/source/blender/editors/space_file/filelist.c
+++ b/source/blender/editors/space_file/filelist.c
@@ -329,25 +329,21 @@ enum {
   FL_IS_PENDING = 1 << 2,
   FL_NEED_SORTING = 1 << 3,
   FL_NEED_FILTERING = 1 << 4,
+  FL_SORT_INVERT = 1 << 5,
 };
 
-#define SPECIAL_IMG_SIZE 48
-#define SPECIAL_IMG_ROWS 4
-#define SPECIAL_IMG_COLS 4
+#define SPECIAL_IMG_SIZE 256
+#define SPECIAL_IMG_ROWS 1
+#define SPECIAL_IMG_COLS 7
 
 enum {
-  SPECIAL_IMG_FOLDER = 0,
-  SPECIAL_IMG_PARENT = 1,
-  SPECIAL_IMG_REFRESH = 2,
-  SPECIAL_IMG_BLENDFILE = 3,
-  SPECIAL_IMG_SOUNDFILE = 4,
-  SPECIAL_IMG_MOVIEFILE = 5,
-  SPECIAL_IMG_PYTHONFILE = 6,
-  SPECIAL_IMG_TEXTFILE = 7,
-  SPECIAL_IMG_FONTFILE = 8,
-  SPECIAL_IMG_UNKNOWNFILE = 9,
-  SPECIAL_IMG_LOADING = 10,
-  SPECIAL_IMG_BACKUP = 11,
+  SPECIAL_IMG_DOCUMENT = 0,
+  SPECIAL_IMG_UNSUPORTED = 1,
+  SPECIAL_IMG_FOLDER = 2,
+  SPECIAL_IMG_PARENT = 3,
+  SPECIAL_IMG_DRIVE_FIXED = 4,
+  SPECIAL_IMG_DRIVE_ATTACHED = 5,
+  SPECIAL_IMG_DRIVE_REMOTE = 6,
   SPECIAL_IMG_MAX,
 };
 
@@ -369,6 +365,19 @@ static void filelist_cache_clear(FileListEntryCache *cache, size_t new_size);
 
 /* ********** Sort helpers ********** */
 
+struct FileSortData {
+  bool inverted;
+};
+
+static int compare_apply_inverted(int val, const struct FileSortData *sort_data)
+{
+  return sort_data->inverted ? -val : val;
+}
+
+/**
+ * Handles inverted sorting itself (currently there's nothing to invert), so if this returns non-0,
+ * it should be used as-is and not inverted.
+ */
 static int compare_direntry_generic(const FileListInternEntry *entry1,
                                     const FileListInternEntry *entry2)
 {
@@ -420,10 +429,11 @@ static int compare_direntry_generic(const FileListInternEntry *entry1,
   return 0;
 }
 
-static int compare_name(void *UNUSED(user_data), const void *a1, const void *a2)
+static int compare_name(void *user_data, const void *a1, const void *a2)
 {
   const FileListInternEntry *entry1 = a1;
   const FileListInternEntry *entry2 = a2;
+  const struct FileSortData *sort_data = user_data;
   char *name1, *name2;
   int ret;
 
@@ -434,13 +444,14 @@ static int compare_name(void *UNUSED(user_data), const void *a1, const void *a2)
   name1 = entry1->name;
   name2 = entry2->name;
 
-  return BLI_natstrcmp(name1, name2);
+  return compare_apply_inverted(BLI_strcasecmp_natural(name1, name2), sort_data);
 }
 
-static int compare_date(void *UNUSED(user_data), const void *a1, const void *a2)
+static int compare_date(void *user_data, const void *a1, const void *a2)
 {
   const FileListInternEntry *entry1 = a1;
   const FileListInternEntry *entry2 = a2;
+  const struct FileSortData *sort_data = user_data;
   char *name1, *name2;
   int64_t time1, time2;
   int ret;
@@ -452,22 +463,23 @@ static int compare_date(void *UNUSED(user_data), const void *a1, const void *a2)
   time1 = (int64_t)entry1->st.st_mtime;
   time2 = (int64_t)entry2->st.st_mtime;
   if (time1 < time2) {
-    return 1;
+    return compare_apply_inverted(1, sort_data);
   }
   if (time1 > time2) {
-    return -1;
+    return compare_apply_inverted(-1, sort_data);
   }
 
   name1 = entry1->name;
   name2 = entry2->name;
 
-  return BLI_natstrcmp(name1, name2);
+  return compare_apply_inverted(BLI_strcasecmp_natural(name1, name2), sort_data);
 }
 
-static int compare_size(void *UNUSED(user_data), const void *a1, const void *a2)
+static int compare_size(void *user_data, const void *a1, const void *a2)
 {
   const FileListInternEntry *entry1 = a1;
   const FileListInternEntry *entry2 = a2;
+  const struct FileSortData *sort_data = user_data;
   char *name1, *name2;
   uint64_t size1, size2;
   int ret;
@@ -479,22 +491,23 @@ static int compare_size(void *UNUSED(user_data), const void *a1, const void *a2)
   size1 = entry1->st.st_size;
   size2 = entry2->st.st_size;
   if (size1 < size2) {
-    return 1;
+    return compare_apply_inverted(1, sort_data);
   }
   if (size1 > size2) {
-    return -1;
+    return compare_apply_inverted(-1, sort_data);
   }
 
   name1 = entry1->name;
   name2 = entry2->name;
 
-  return BLI_natstrcmp(name1, name2);
+  return compare_apply_inverted(BLI_strcasecmp_natural(name1, name2), sort_data);
 }
 
-static int compare_extension(void *UNUSED(user_data), const void *a1, const void *a2)
+static int compare_extension(void *user_data, const void *a1, const void *a2)
 {
   const FileListInternEntry *entry1 = a1;
   const FileListInternEntry *entry2 = a2;
+  const struct FileSortData *sort_data = user_data;
   char *name1, *name2;
   int ret;
 
@@ -516,10 +529,10 @@ static int compare_extension(void *UNUSED(user_data), const void *a1, const void
       return -1;
     }
     if (entry1->blentype < entry2->blentype) {
-      return -1;
+      return compare_apply_inverted(-1, sort_data);
     }
     if (entry1->blentype > entry2->blentype) {
-      return 1;
+      return compare_apply_inverted(1, sort_data);
     }
   }
   else {
@@ -539,48 +552,58 @@ static int compare_extension(void *UNUSED(user_data), const void *a1, const void
     }
 
     if ((ret = BLI_strcasecmp(sufix1, sufix2))) {
-      return ret;
+      return compare_apply_inverted(ret, sort_data);
     }
   }
 
   name1 = entry1->name;
   name2 = entry2->name;
 
-  return BLI_natstrcmp(name1, name2);
+  return compare_apply_inverted(BLI_strcasecmp_natural(name1, name2), sort_data);
 }
 
 void filelist_sort(struct FileList *filelist)
 {
   if ((filelist->flags & FL_NEED_SORTING) && (filelist->sort != FILE_SORT_NONE)) {
+    void *sort_cb = NULL;
+
     switch (filelist->sort) {
       case FILE_SORT_ALPHA:
-        BLI_listbase_sort_r(&filelist->filelist_intern.entries, compare_name, NULL);
+        sort_cb = compare_name;
         break;
       case FILE_SORT_TIME:
-        BLI_listbase_sort_r(&filelist->filelist_intern.entries, compare_date, NULL);
+        sort_cb = compare_date;
         break;
       case FILE_SORT_SIZE:
-        BLI_listbase_sort_r(&filelist->filelist_intern.entries, compare_size, NULL);
+        sort_cb = compare_size;
         break;
       case FILE_SORT_EXTENSION:
-        BLI_listbase_sort_r(&filelist->filelist_intern.entries, compare_extension, NULL);
+        sort_cb = compare_extension;
         break;
       case FILE_SORT_NONE: /* Should never reach this point! */
       default:
         BLI_assert(0);
         break;
     }
+    BLI_listbase_sort_r(
+        &filelist->filelist_intern.entries,
+        sort_cb,
+        &(struct FileSortData){.inverted = (filelist->flags & FL_SORT_INVERT) != 0});
 
     filelist_filter_clear(filelist);
     filelist->flags &= ~FL_NEED_SORTING;
   }
 }
 
-void filelist_setsorting(struct FileList *filelist, const short sort)
+void filelist_setsorting(struct FileList *filelist, const short sort, bool invert_sort)
 {
-  if (filelist->sort != sort) {
+  const bool was_invert_sort = filelist->flags & FL_SORT_INVERT;
+
+  if ((filelist->sort != sort) || (was_invert_sort != invert_sort)) {
     filelist->sort = sort;
     filelist->flags |= FL_NEED_SORTING;
+    filelist->flags = invert_sort ? (filelist->flags | FL_SORT_INVERT) :
+                                    (filelist->flags & ~FL_SORT_INVERT);
   }
 }
 
@@ -635,9 +658,9 @@ static bool is_filtered_file(FileListInternEntry *file,
 {
   bool is_filtered = !is_hidden_file(file->relpath, filter);
 
-  if (is_filtered && (filter->flags & FLF_DO_FILTER) && !FILENAME_IS_CURRPAR(file->relpath)) {
+  if (is_filtered && !FILENAME_IS_CURRPAR(file->relpath)) {
     /* We only check for types if some type are enabled in filtering. */
-    if (filter->filter) {
+    if (filter->filter && (filter->flags & FLF_DO_FILTER)) {
       if (file->typeflag & FILE_TYPE_DIR) {
         if (file->typeflag &
             (FILE_TYPE_BLENDERLIB | FILE_TYPE_BLENDER | FILE_TYPE_BLENDER_BACKUP)) {
@@ -657,6 +680,7 @@ static bool is_filtered_file(FileListInternEntry *file,
         }
       }
     }
+    /* If there's a filter string, apply it as filter even if FLF_DO_FILTER is not set. */
     if (is_filtered && (filter->filter_search[0] != '\0')) {
       if (fnmatch(filter->filter_search, file->relpath, FNM_CASEFOLD) != 0) {
         is_filtered = false;
@@ -676,9 +700,9 @@ static bool is_filtered_lib(FileListInternEntry *file, const char *root, FileLis
 
   if (BLO_library_path_explode(path, dir, &group, &name)) {
     is_filtered = !is_hidden_file(file->relpath, filter);
-    if (is_filtered && (filter->flags & FLF_DO_FILTER) && !FILENAME_IS_CURRPAR(file->relpath)) {
+    if (is_filtered && !FILENAME_IS_CURRPAR(file->relpath)) {
       /* We only check for types if some type are enabled in filtering. */
-      if (filter->filter || filter->filter_id) {
+      if ((filter->filter || filter->filter_id) && (filter->flags & FLF_DO_FILTER)) {
         if (file->typeflag & FILE_TYPE_DIR) {
           if (file->typeflag &
               (FILE_TYPE_BLENDERLIB | FILE_TYPE_BLENDER | FILE_TYPE_BLENDER_BACKUP)) {
@@ -704,6 +728,7 @@ static bool is_filtered_lib(FileListInternEntry *file, const char *root, FileLis
           }
         }
       }
+      /* If there's a filter string, apply it as filter even if FLF_DO_FILTER is not set. */
       if (is_filtered && (filter->filter_search[0] != '\0')) {
         if (fnmatch(filter->filter_search, file->relpath, FNM_CASEFOLD) != 0) {
           is_filtered = false;
@@ -870,7 +895,7 @@ void filelist_free_icons(void)
 
   BLI_assert(G.background == false);
 
-  for (i = 0; i < SPECIAL_IMG_MAX; ++i) {
+  for (i = 0; i < SPECIAL_IMG_MAX; i++) {
     IMB_freeImBuf(gSpecialFileImages[i]);
     gSpecialFileImages[i] = NULL;
   }
@@ -904,42 +929,12 @@ static ImBuf *filelist_geticon_image_ex(const unsigned int typeflag, const char
     if (FILENAME_IS_PARENT(relpath)) {
       ibuf = gSpecialFileImages[SPECIAL_IMG_PARENT];
     }
-    else if (FILENAME_IS_CURRENT(relpath)) {
-      ibuf = gSpecialFileImages[SPECIAL_IMG_REFRESH];
-    }
     else {
       ibuf = gSpecialFileImages[SPECIAL_IMG_FOLDER];
     }
   }
-  else if (typeflag & FILE_TYPE_BLENDER) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_BLENDFILE];
-  }
-  else if (typeflag & FILE_TYPE_BLENDERLIB) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_UNKNOWNFILE];
-  }
-  else if (typeflag & (FILE_TYPE_MOVIE)) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_MOVIEFILE];
-  }
-  else if (typeflag & FILE_TYPE_SOUND) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_SOUNDFILE];
-  }
-  else if (typeflag & FILE_TYPE_PYSCRIPT) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_PYTHONFILE];
-  }
-  else if (typeflag & FILE_TYPE_FTFONT) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_FONTFILE];
-  }
-  else if (typeflag & FILE_TYPE_TEXT) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_TEXTFILE];
-  }
-  else if (typeflag & FILE_TYPE_IMAGE) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_LOADING];
-  }
-  else if (typeflag & FILE_TYPE_BLENDER_BACKUP) {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_BACKUP];
-  }
   else {
-    ibuf = gSpecialFileImages[SPECIAL_IMG_UNKNOWNFILE];
+    ibuf = gSpecialFileImages[SPECIAL_IMG_DOCUMENT];
   }
 
   return ibuf;
@@ -1001,14 +996,20 @@ static int filelist_geticon_ex(const int typeflag,
     return ICON_FILE_BLANK;
   }
   else if (typeflag & FILE_TYPE_COLLADA) {
-    return ICON_FILE_BLANK;
+    return ICON_FILE_3D;
   }
   else if (typeflag & FILE_TYPE_ALEMBIC) {
-    return ICON_FILE_BLANK;
+    return ICON_FILE_3D;
+  }
+  else if (typeflag & FILE_TYPE_OBJECT_IO) {
+    return ICON_FILE_3D;
   }
   else if (typeflag & FILE_TYPE_TEXT) {
     return ICON_FILE_TEXT;
   }
+  else if (typeflag & FILE_TYPE_ARCHIVE) {
+    return ICON_FILE_ARCHIVE;
+  }
   else if (typeflag & FILE_TYPE_BLENDERLIB) {
     const int ret = UI_idcode_icon_get(blentype);
     if (ret != ICON_NONE) {
@@ -1243,7 +1244,8 @@ static void filelist_cache_previews_clear(FileListEntryCache *cache)
     BLI_task_pool_cancel(cache->previews_pool);
 
     while ((preview = BLI_thread_queue_pop_timeout(cache->previews_done, 0))) {
-      // printf("%s: DONE %d - %s - %p\n", __func__, preview->index, preview->path, preview->img);
+      // printf("%s: DONE %d - %s - %p\n", __func__, preview->index, preview->path,
+      // preview->img);
       if (preview->img) {
         IMB_freeImBuf(preview->img);
       }
@@ -2128,6 +2130,12 @@ int ED_path_extension_type(const char *path)
   else if (BLI_path_extension_check(path, ".abc")) {
     return FILE_TYPE_ALEMBIC;
   }
+  else if (BLI_path_extension_check(path, ".zip")) {
+    return FILE_TYPE_ARCHIVE;
+  }
+  else if (BLI_path_extension_check_n(path, ".obj", ".3ds", ".fbx", ".glb", ".gltf", NULL)) {
+    return FILE_TYPE_OBJECT_IO;
+  }
   else if (BLI_path_extension_check_array(path, imb_ext_image)) {
     return FILE_TYPE_IMAGE;
   }
@@ -2177,11 +2185,13 @@ int ED_file_extension_icon(const char *path)
     case FILE_TYPE_BTX:
       return ICON_FILE_BLANK;
     case FILE_TYPE_COLLADA:
-      return ICON_FILE_BLANK;
     case FILE_TYPE_ALEMBIC:
-      return ICON_FILE_BLANK;
+    case FILE_TYPE_OBJECT_IO:
+      return ICON_FILE_3D;
     case FILE_TYPE_TEXT:
       return ICON_FILE_TEXT;
+    case FILE_TYPE_ARCHIVE:
+      return ICON_FILE_ARCHIVE;
     default:
       return ICON_FILE_BLANK;
   }
@@ -2298,6 +2308,19 @@ unsigned int filelist_entry_select_index_get(FileList *filelist,
   return 0;
 }
 
+/**
+ * Set selection of the '..' parent entry, but only if it's actually visible.
+ */
+void filelist_entry_parent_select_set(FileList *filelist,
+                                      FileSelType select,
+                                      unsigned int flag,
+                                      FileCheckType check)
+{
+  if ((filelist->filter_data.flags & FLF_HIDE_PARENT) == 0) {
+    filelist_entry_select_index_set(filelist, 0, select, flag, check);
+  }
+}
+
 /* WARNING! dir must be FILE_MAX_LIBEXTRA long! */
 bool filelist_islibrary(struct FileList *filelist, char *dir, char **group)
 {
diff --git a/source/blender/editors/space_file/filelist.h b/source/blender/editors/space_file/filelist.h
index caf77246797..9b1107294ff 100644
--- a/source/blender/editors/space_file/filelist.h
+++ b/source/blender/editors/space_file/filelist.h
@@ -55,7 +55,7 @@ void folderlist_pushdir(struct ListBase *folderlist, const char *dir);
 const char *folderlist_peeklastdir(struct ListBase *folderdist);
 int folderlist_clear_next(struct SpaceFile *sfile);
 
-void filelist_setsorting(struct FileList *filelist, const short sort);
+void filelist_setsorting(struct FileList *filelist, const short sort, bool invert_sort);
 void filelist_sort(struct FileList *filelist);
 
 void filelist_setfilter_options(struct FileList *filelist,
@@ -117,6 +117,10 @@ unsigned int filelist_entry_select_get(struct FileList *filelist,
 unsigned int filelist_entry_select_index_get(struct FileList *filelist,
                                              const int index,
                                              FileCheckType check);
+void filelist_entry_parent_select_set(struct FileList *filelist,
+                                      FileSelType select,
+                                      unsigned int flag,
+                                      FileCheckType check);
 
 void filelist_setrecursion(struct FileList *filelist, const int recursion_level);
 
diff --git a/source/blender/editors/space_file/filesel.c b/source/blender/editors/space_file/filesel.c
index db42d007b8e..e2c9bb8d6e5 100644
--- a/source/blender/editors/space_file/filesel.c
+++ b/source/blender/editors/space_file/filesel.c
@@ -49,6 +49,10 @@
 #include "BLI_utildefines.h"
 #include "BLI_fnmatch.h"
 
+#include "BLO_readfile.h"
+
+#include "BLT_translation.h"
+
 #include "BKE_appdir.h"
 #include "BKE_context.h"
 #include "BKE_main.h"
@@ -69,6 +73,8 @@
 #include "file_intern.h"
 #include "filelist.h"
 
+#define VERTLIST_MAJORCOLUMN_WIDTH (25 * UI_UNIT_X)
+
 FileSelectParams *ED_fileselect_get_params(struct SpaceFile *sfile)
 {
   if (!sfile->params) {
@@ -98,7 +104,9 @@ short ED_fileselect_set_params(SpaceFile *sfile)
                       sizeof(sfile->params->file));
     sfile->params->filter_glob[0] = '\0';
     /* set the default thumbnails size */
-    sfile->params->thumbnail_size = 128;
+    sfile->params->thumbnail_size = U_default.file_space_data.thumbnail_size;
+    /* Show size column by default. */
+    sfile->params->details_flags = U_default.file_space_data.details_flags;
   }
 
   params = sfile->params;
@@ -161,6 +169,13 @@ short ED_fileselect_set_params(SpaceFile *sfile)
       params->flag &= ~FILE_DIRSEL_ONLY;
     }
 
+    if ((prop = RNA_struct_find_property(op->ptr, "check_existing"))) {
+      params->flag |= RNA_property_boolean_get(op->ptr, prop) ? FILE_CHECK_EXISTING : 0;
+    }
+    if ((prop = RNA_struct_find_property(op->ptr, "hide_props_region"))) {
+      params->flag |= RNA_property_boolean_get(op->ptr, prop) ? FILE_HIDE_TOOL_PROPS : 0;
+    }
+
     params->filter = 0;
     if ((prop = RNA_struct_find_property(op->ptr, "filter_blender"))) {
       params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_BLENDER : 0;
@@ -189,6 +204,9 @@ short ED_fileselect_set_params(SpaceFile *sfile)
     if ((prop = RNA_struct_find_property(op->ptr, "filter_text"))) {
       params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_TEXT : 0;
     }
+    if ((prop = RNA_struct_find_property(op->ptr, "filter_archive"))) {
+      params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_ARCHIVE : 0;
+    }
     if ((prop = RNA_struct_find_property(op->ptr, "filter_folder"))) {
       params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_FOLDER : 0;
     }
@@ -258,26 +276,11 @@ short ED_fileselect_set_params(SpaceFile *sfile)
       params->sort = RNA_property_enum_get(op->ptr, prop);
     }
     else {
-      params->sort = FILE_SORT_ALPHA;
+      params->sort = U_default.file_space_data.sort_type;
     }
 
     if (params->display == FILE_DEFAULTDISPLAY) {
-      if (params->display_previous == FILE_DEFAULTDISPLAY) {
-        if (U.uiflag & USER_SHOW_THUMBNAILS) {
-          if (params->filter & (FILE_TYPE_IMAGE | FILE_TYPE_MOVIE | FILE_TYPE_FTFONT)) {
-            params->display = FILE_IMGDISPLAY;
-          }
-          else {
-            params->display = FILE_SHORTDISPLAY;
-          }
-        }
-        else {
-          params->display = FILE_SHORTDISPLAY;
-        }
-      }
-      else {
-        params->display = params->display_previous;
-      }
+      params->display = U_default.file_space_data.display_type;
     }
 
     if (is_relative_path) {
@@ -291,10 +294,9 @@ short ED_fileselect_set_params(SpaceFile *sfile)
   else {
     /* default values, if no operator */
     params->type = FILE_UNIX;
-    params->flag |= FILE_HIDE_DOT;
+    params->flag |= U_default.file_space_data.flag;
     params->flag &= ~FILE_DIRSEL_ONLY;
-    params->display = FILE_SHORTDISPLAY;
-    params->display_previous = FILE_DEFAULTDISPLAY;
+    params->display = FILE_VERTICALDISPLAY;
     params->sort = FILE_SORT_ALPHA;
     params->filter = 0;
     params->filter_glob[0] = '\0';
@@ -330,6 +332,63 @@ short ED_fileselect_set_params(SpaceFile *sfile)
   return 1;
 }
 
+/* The subset of FileSelectParams.flag items we store into preferences. */
+#define PARAMS_FLAGS_REMEMBERED (FILE_HIDE_DOT | FILE_SORT_INVERT)
+
+void ED_fileselect_set_params_from_userdef(SpaceFile *sfile)
+{
+  wmOperator *op = sfile->op;
+  UserDef_FileSpaceData *sfile_udata = &U.file_space_data;
+
+  ED_fileselect_set_params(sfile);
+
+  if (!op) {
+    return;
+  }
+
+  if (!RNA_struct_property_is_set(op->ptr, "display_type")) {
+    sfile->params->display = sfile_udata->display_type;
+  }
+  if (!RNA_struct_property_is_set(op->ptr, "sort_method")) {
+    sfile->params->sort = sfile_udata->sort_type;
+  }
+  sfile->params->thumbnail_size = sfile_udata->thumbnail_size;
+  sfile->params->details_flags = sfile_udata->details_flags;
+
+  /* Combine flags we take from params with the flags we take from userdef. */
+  sfile->params->flag = (sfile->params->flag & ~PARAMS_FLAGS_REMEMBERED) |
+                        (sfile_udata->flag & PARAMS_FLAGS_REMEMBERED);
+}
+
+/**
+ * Update the user-preference data for the file space. In fact, this also contains some
+ * non-FileSelectParams data, but it's neglectable.
+ *
+ * \param temp_win_size: If the browser was opened in a temporary window, pass its size here so we
+ *                       can store that in the preferences. Otherwise NULL.
+ */
+void ED_fileselect_params_to_userdef(SpaceFile *sfile, int temp_win_size[2])
+{
+  UserDef_FileSpaceData *sfile_udata_new = &U.file_space_data;
+  UserDef_FileSpaceData sfile_udata_old = U.file_space_data;
+
+  sfile_udata_new->display_type = sfile->params->display;
+  sfile_udata_new->thumbnail_size = sfile->params->thumbnail_size;
+  sfile_udata_new->sort_type = sfile->params->sort;
+  sfile_udata_new->details_flags = sfile->params->details_flags;
+  sfile_udata_new->flag = sfile->params->flag & PARAMS_FLAGS_REMEMBERED;
+
+  if (temp_win_size) {
+    sfile_udata_new->temp_win_sizex = temp_win_size[0];
+    sfile_udata_new->temp_win_sizey = temp_win_size[1];
+  }
+
+  /* Tag prefs as dirty if something has changed. */
+  if (memcmp(sfile_udata_new, &sfile_udata_old, sizeof(sfile_udata_old)) != 0) {
+    U.runtime.is_dirty = true;
+  }
+}
+
 void ED_fileselect_reset_params(SpaceFile *sfile)
 {
   sfile->params->type = FILE_UNIX;
@@ -344,7 +403,7 @@ void ED_fileselect_reset_params(SpaceFile *sfile)
 void fileselect_file_set(SpaceFile *sfile, const int index)
 {
   const struct FileDirEntry *file = filelist_file(sfile->files, index);
-  if (file && file->relpath && file->relpath[0] && !(file->typeflag & FILE_TYPE_FOLDER)) {
+  if (file && file->relpath && file->relpath[0] && !(file->typeflag & FILE_TYPE_DIR)) {
     BLI_strncpy(sfile->params->file, file->relpath, FILE_MAXFILE);
   }
 }
@@ -372,10 +431,10 @@ int ED_fileselect_layout_numfiles(FileLayout *layout, ARegion *ar)
   }
   else {
     const int y_item = layout->tile_h + (2 * layout->tile_border_y);
-    const int y_view = (int)(BLI_rctf_size_y(&ar->v2d.cur));
+    const int y_view = (int)(BLI_rctf_size_y(&ar->v2d.cur)) - layout->offset_top;
     const int y_over = y_item - (y_view % y_item);
     numfiles = (int)((float)(y_view + y_over) / (float)(y_item));
-    return numfiles * layout->columns;
+    return numfiles * layout->flow_columns;
   }
 }
 
@@ -395,19 +454,19 @@ FileSelection ED_fileselect_layout_offset_rect(FileLayout *layout, const rcti *r
   }
 
   colmin = (rect->xmin) / (layout->tile_w + 2 * layout->tile_border_x);
-  rowmin = (rect->ymin) / (layout->tile_h + 2 * layout->tile_border_y);
+  rowmin = (rect->ymin - layout->offset_top) / (layout->tile_h + 2 * layout->tile_border_y);
   colmax = (rect->xmax) / (layout->tile_w + 2 * layout->tile_border_x);
-  rowmax = (rect->ymax) / (layout->tile_h + 2 * layout->tile_border_y);
+  rowmax = (rect->ymax - layout->offset_top) / (layout->tile_h + 2 * layout->tile_border_y);
 
-  if (is_inside(colmin, rowmin, layout->columns, layout->rows) ||
-      is_inside(colmax, rowmax, layout->columns, layout->rows)) {
-    CLAMP(colmin, 0, layout->columns - 1);
+  if (is_inside(colmin, rowmin, layout->flow_columns, layout->rows) ||
+      is_inside(colmax, rowmax, layout->flow_columns, layout->rows)) {
+    CLAMP(colmin, 0, layout->flow_columns - 1);
     CLAMP(rowmin, 0, layout->rows - 1);
-    CLAMP(colmax, 0, layout->columns - 1);
+    CLAMP(colmax, 0, layout->flow_columns - 1);
     CLAMP(rowmax, 0, layout->rows - 1);
   }
 
-  if ((colmin > layout->columns - 1) || (rowmin > layout->rows - 1)) {
+  if ((colmin > layout->flow_columns - 1) || (rowmin > layout->rows - 1)) {
     sel.first = -1;
   }
   else {
@@ -415,10 +474,10 @@ FileSelection ED_fileselect_layout_offset_rect(FileLayout *layout, const rcti *r
       sel.first = layout->rows * colmin + rowmin;
     }
     else {
-      sel.first = colmin + layout->columns * rowmin;
+      sel.first = colmin + layout->flow_columns * rowmin;
     }
   }
-  if ((colmax > layout->columns - 1) || (rowmax > layout->rows - 1)) {
+  if ((colmax > layout->flow_columns - 1) || (rowmax > layout->rows - 1)) {
     sel.last = -1;
   }
   else {
@@ -426,7 +485,7 @@ FileSelection ED_fileselect_layout_offset_rect(FileLayout *layout, const rcti *r
       sel.last = layout->rows * colmax + rowmax;
     }
     else {
-      sel.last = colmax + layout->columns * rowmax;
+      sel.last = colmax + layout->flow_columns * rowmax;
     }
   }
 
@@ -443,9 +502,9 @@ int ED_fileselect_layout_offset(FileLayout *layout, int x, int y)
   }
 
   offsetx = (x) / (layout->tile_w + 2 * layout->tile_border_x);
-  offsety = (y) / (layout->tile_h + 2 * layout->tile_border_y);
+  offsety = (y - layout->offset_top) / (layout->tile_h + 2 * layout->tile_border_y);
 
-  if (offsetx > layout->columns - 1) {
+  if (offsetx > layout->flow_columns - 1) {
     return -1;
   }
   if (offsety > layout->rows - 1) {
@@ -456,27 +515,123 @@ int ED_fileselect_layout_offset(FileLayout *layout, int x, int y)
     active_file = layout->rows * offsetx + offsety;
   }
   else {
-    active_file = offsetx + layout->columns * offsety;
+    active_file = offsetx + layout->flow_columns * offsety;
   }
   return active_file;
 }
 
+/**
+ * Get the currently visible bounds of the layout in screen space. Matches View2D.mask minus the
+ * top column-header row.
+ */
+void ED_fileselect_layout_maskrect(const FileLayout *layout, const View2D *v2d, rcti *r_rect)
+{
+  *r_rect = v2d->mask;
+  r_rect->ymax -= layout->offset_top;
+}
+
+bool ED_fileselect_layout_is_inside_pt(const FileLayout *layout, const View2D *v2d, int x, int y)
+{
+  rcti maskrect;
+  ED_fileselect_layout_maskrect(layout, v2d, &maskrect);
+  return BLI_rcti_isect_pt(&maskrect, x, y);
+}
+
+bool ED_fileselect_layout_isect_rect(const FileLayout *layout,
+                                     const View2D *v2d,
+                                     const rcti *rect,
+                                     rcti *r_dst)
+{
+  rcti maskrect;
+  ED_fileselect_layout_maskrect(layout, v2d, &maskrect);
+  return BLI_rcti_isect(&maskrect, rect, r_dst);
+}
+
 void ED_fileselect_layout_tilepos(FileLayout *layout, int tile, int *x, int *y)
 {
   if (layout->flag == FILE_LAYOUT_HOR) {
     *x = layout->tile_border_x +
          (tile / layout->rows) * (layout->tile_w + 2 * layout->tile_border_x);
-    *y = layout->tile_border_y +
+    *y = layout->offset_top + layout->tile_border_y +
          (tile % layout->rows) * (layout->tile_h + 2 * layout->tile_border_y);
   }
   else {
     *x = layout->tile_border_x +
-         ((tile) % layout->columns) * (layout->tile_w + 2 * layout->tile_border_x);
-    *y = layout->tile_border_y +
-         ((tile) / layout->columns) * (layout->tile_h + 2 * layout->tile_border_y);
+         ((tile) % layout->flow_columns) * (layout->tile_w + 2 * layout->tile_border_x);
+    *y = layout->offset_top + layout->tile_border_y +
+         ((tile) / layout->flow_columns) * (layout->tile_h + 2 * layout->tile_border_y);
   }
 }
 
+/**
+ * Check if the region coordinate defined by \a x and \a y are inside the column header.
+ */
+bool file_attribute_column_header_is_inside(const View2D *v2d,
+                                            const FileLayout *layout,
+                                            int x,
+                                            int y)
+{
+  rcti header_rect = v2d->mask;
+  header_rect.ymin = header_rect.ymax - layout->attribute_column_header_h;
+  return BLI_rcti_isect_pt(&header_rect, x, y);
+}
+
+bool file_attribute_column_type_enabled(const FileSelectParams *params,
+                                        FileAttributeColumnType column)
+{
+  switch (column) {
+    case COLUMN_NAME:
+      /* Always enabled */
+      return true;
+    case COLUMN_DATETIME:
+      return (params->details_flags & FILE_DETAILS_DATETIME) != 0;
+    case COLUMN_SIZE:
+      return (params->details_flags & FILE_DETAILS_SIZE) != 0;
+    default:
+      return false;
+  }
+}
+
+/**
+ * Find the column type at region coordinate given by \a x (y doesn't matter for this).
+ */
+FileAttributeColumnType file_attribute_column_type_find_isect(const View2D *v2d,
+                                                              const FileSelectParams *params,
+                                                              FileLayout *layout,
+                                                              int x)
+{
+  float mx, my;
+  int offset_tile;
+
+  UI_view2d_region_to_view(v2d, x, v2d->mask.ymax - layout->offset_top - 1, &mx, &my);
+  offset_tile = ED_fileselect_layout_offset(
+      layout, (int)(v2d->tot.xmin + mx), (int)(v2d->tot.ymax - my));
+  if (offset_tile > -1) {
+    int tile_x, tile_y;
+    int pos_x = 0;
+    int rel_x; /* x relative to the hovered tile */
+
+    ED_fileselect_layout_tilepos(layout, offset_tile, &tile_x, &tile_y);
+    /* Column header drawing doesn't use left tile border, so subtract it. */
+    rel_x = mx - (tile_x - layout->tile_border_x);
+
+    for (FileAttributeColumnType column = 0; column < ATTRIBUTE_COLUMN_MAX; column++) {
+      if (!file_attribute_column_type_enabled(params, column)) {
+        continue;
+      }
+      const int width = layout->attribute_columns[column].width;
+
+      if (IN_RANGE(rel_x, pos_x, pos_x + width)) {
+        return column;
+      }
+
+      pos_x += width;
+    }
+  }
+
+  return COLUMN_NONE;
+}
+
 float file_string_width(const char *str)
 {
   uiStyle *style = UI_style_get();
@@ -512,20 +667,52 @@ float file_font_pointsize(void)
 #endif
 }
 
-static void column_widths(FileSelectParams *params, struct FileLayout *layout)
+static void file_attribute_columns_widths(const FileSelectParams *params, FileLayout *layout)
 {
-  int i;
+  FileAttributeColumn *columns = layout->attribute_columns;
   const bool small_size = SMALL_SIZE_CHECK(params->thumbnail_size);
+  const int pad = small_size ? 0 : ATTRIBUTE_COLUMN_PADDING * 2;
 
-  for (i = 0; i < MAX_FILE_COLUMN; ++i) {
-    layout->column_widths[i] = 0;
+  for (int i = 0; i < ATTRIBUTE_COLUMN_MAX; i++) {
+    layout->attribute_columns[i].width = 0;
   }
 
-  layout->column_widths[COLUMN_NAME] = ((float)params->thumbnail_size / 8.0f) * UI_UNIT_X;
   /* Biggest possible reasonable values... */
-  layout->column_widths[COLUMN_DATE] = file_string_width(small_size ? "23/08/89" : "23-Dec-89");
-  layout->column_widths[COLUMN_TIME] = file_string_width("23:59");
-  layout->column_widths[COLUMN_SIZE] = file_string_width(small_size ? "98.7 M" : "98.7 MiB");
+  columns[COLUMN_DATETIME].width = file_string_width(small_size ? "23/08/89" :
+                                                                  "23 Dec 6789, 23:59") +
+                                   pad;
+  columns[COLUMN_SIZE].width = file_string_width(small_size ? "98.7 M" : "098.7 MiB") + pad;
+  if (params->display == FILE_IMGDISPLAY) {
+    columns[COLUMN_NAME].width = ((float)params->thumbnail_size / 8.0f) * UI_UNIT_X;
+  }
+  /* Name column uses remaining width */
+  else {
+    int remwidth = layout->tile_w;
+    for (FileAttributeColumnType column_type = ATTRIBUTE_COLUMN_MAX - 1; column_type >= 0;
+         column_type--) {
+      if ((column_type == COLUMN_NAME) ||
+          !file_attribute_column_type_enabled(params, column_type)) {
+        continue;
+      }
+      remwidth -= columns[column_type].width;
+    }
+    columns[COLUMN_NAME].width = remwidth;
+  }
+}
+
+static void file_attribute_columns_init(const FileSelectParams *params, FileLayout *layout)
+{
+  file_attribute_columns_widths(params, layout);
+
+  layout->attribute_columns[COLUMN_NAME].name = N_("Name");
+  layout->attribute_columns[COLUMN_NAME].sort_type = FILE_SORT_ALPHA;
+  layout->attribute_columns[COLUMN_NAME].text_align = UI_STYLE_TEXT_LEFT;
+  layout->attribute_columns[COLUMN_DATETIME].name = N_("Date Modified");
+  layout->attribute_columns[COLUMN_DATETIME].sort_type = FILE_SORT_TIME;
+  layout->attribute_columns[COLUMN_DATETIME].text_align = UI_STYLE_TEXT_LEFT;
+  layout->attribute_columns[COLUMN_SIZE].name = N_("Size");
+  layout->attribute_columns[COLUMN_SIZE].sort_type = FILE_SORT_SIZE;
+  layout->attribute_columns[COLUMN_SIZE].text_align = UI_STYLE_TEXT_RIGHT;
 }
 
 void ED_fileselect_init_layout(struct SpaceFile *sfile, ARegion *ar)
@@ -533,7 +720,6 @@ void ED_fileselect_init_layout(struct SpaceFile *sfile, ARegion *ar)
   FileSelectParams *params = ED_fileselect_get_params(sfile);
   FileLayout *layout = NULL;
   View2D *v2d = &ar->v2d;
-  int maxlen = 0;
   int numfiles;
   int textheight;
 
@@ -560,61 +746,69 @@ void ED_fileselect_init_layout(struct SpaceFile *sfile, ARegion *ar)
     layout->tile_w = layout->prv_w + 2 * layout->prv_border_x;
     layout->tile_h = layout->prv_h + 2 * layout->prv_border_y + textheight;
     layout->width = (int)(BLI_rctf_size_x(&v2d->cur) - 2 * layout->tile_border_x);
-    layout->columns = layout->width / (layout->tile_w + 2 * layout->tile_border_x);
-    if (layout->columns > 0) {
-      layout->rows = numfiles / layout->columns + 1;  // XXX dirty, modulo is zero
+    layout->flow_columns = layout->width / (layout->tile_w + 2 * layout->tile_border_x);
+    layout->attribute_column_header_h = 0;
+    layout->offset_top = 0;
+    if (layout->flow_columns > 0) {
+      layout->rows = numfiles / layout->flow_columns + 1;  // XXX dirty, modulo is zero
     }
     else {
-      layout->columns = 1;
+      layout->flow_columns = 1;
       layout->rows = numfiles + 1;  // XXX dirty, modulo is zero
     }
     layout->height = sfile->layout->rows * (layout->tile_h + 2 * layout->tile_border_y) +
-                     layout->tile_border_y * 2;
+                     layout->tile_border_y * 2 - layout->offset_top;
     layout->flag = FILE_LAYOUT_VER;
   }
-  else {
-    int column_space = 0.6f * UI_UNIT_X;
-    int column_icon_space = 0.2f * UI_UNIT_X;
+  else if (params->display == FILE_VERTICALDISPLAY) {
+    int rowcount;
 
-    layout->prv_w = 0;
-    layout->prv_h = 0;
+    layout->prv_w = ((float)params->thumbnail_size / 20.0f) * UI_UNIT_X;
+    layout->prv_h = ((float)params->thumbnail_size / 20.0f) * UI_UNIT_Y;
+    layout->tile_border_x = 0.4f * UI_UNIT_X;
+    layout->tile_border_y = 0.1f * UI_UNIT_Y;
+    layout->tile_h = textheight * 3 / 2;
+    layout->width = (int)(BLI_rctf_size_x(&v2d->cur) - 2 * layout->tile_border_x);
+    layout->tile_w = layout->width;
+    layout->flow_columns = 1;
+    layout->attribute_column_header_h = layout->tile_h * 1.2f + 2 * layout->tile_border_y;
+    layout->offset_top = layout->attribute_column_header_h;
+    rowcount = (int)(BLI_rctf_size_y(&v2d->cur) - layout->offset_top - 2 * layout->tile_border_y) /
+               (layout->tile_h + 2 * layout->tile_border_y);
+    file_attribute_columns_init(params, layout);
+
+    layout->rows = MAX2(rowcount, numfiles);
+    BLI_assert(layout->rows != 0);
+    layout->height = sfile->layout->rows * (layout->tile_h + 2 * layout->tile_border_y) +
+                     layout->tile_border_y * 2 + layout->offset_top;
+    layout->flag = FILE_LAYOUT_VER;
+  }
+  else if (params->display == FILE_HORIZONTALDISPLAY) {
+    layout->prv_w = ((float)params->thumbnail_size / 20.0f) * UI_UNIT_X;
+    layout->prv_h = ((float)params->thumbnail_size / 20.0f) * UI_UNIT_Y;
     layout->tile_border_x = 0.4f * UI_UNIT_X;
     layout->tile_border_y = 0.1f * UI_UNIT_Y;
-    layout->prv_border_x = 0;
-    layout->prv_border_y = 0;
     layout->tile_h = textheight * 3 / 2;
+    layout->attribute_column_header_h = 0;
+    layout->offset_top = layout->attribute_column_header_h;
     layout->height = (int)(BLI_rctf_size_y(&v2d->cur) - 2 * layout->tile_border_y);
     /* Padding by full scrollbar H is too much, can overlap tile border Y. */
     layout->rows = (layout->height - V2D_SCROLL_HEIGHT + layout->tile_border_y) /
                    (layout->tile_h + 2 * layout->tile_border_y);
+    layout->tile_w = VERTLIST_MAJORCOLUMN_WIDTH;
+    file_attribute_columns_init(params, layout);
 
-    column_widths(params, layout);
-
-    if (params->display == FILE_SHORTDISPLAY) {
-      maxlen = ICON_DEFAULT_WIDTH_SCALE + column_icon_space +
-               (int)layout->column_widths[COLUMN_NAME] + column_space +
-               (int)layout->column_widths[COLUMN_SIZE] + column_space;
-    }
-    else {
-      maxlen = ICON_DEFAULT_WIDTH_SCALE + column_icon_space +
-               (int)layout->column_widths[COLUMN_NAME] + column_space +
-               (int)layout->column_widths[COLUMN_DATE] + column_space +
-               (int)layout->column_widths[COLUMN_TIME] + column_space +
-               (int)layout->column_widths[COLUMN_SIZE] + column_space;
-    }
-    layout->tile_w = maxlen;
     if (layout->rows > 0) {
-      layout->columns = numfiles / layout->rows + 1;  // XXX dirty, modulo is zero
+      layout->flow_columns = numfiles / layout->rows + 1;  // XXX dirty, modulo is zero
     }
     else {
       layout->rows = 1;
-      layout->columns = numfiles + 1;  // XXX dirty, modulo is zero
+      layout->flow_columns = numfiles + 1;  // XXX dirty, modulo is zero
     }
-    layout->width = sfile->layout->columns * (layout->tile_w + 2 * layout->tile_border_x) +
+    layout->width = sfile->layout->flow_columns * (layout->tile_w + 2 * layout->tile_border_x) +
                     layout->tile_border_x * 2;
     layout->flag = FILE_LAYOUT_HOR;
   }
-  params->display_previous = params->display;
   layout->dirty = false;
 }
 
@@ -742,7 +936,7 @@ int autocomplete_file(struct bContext *C, char *str, void *UNUSED(arg_v))
     int nentries = filelist_files_ensure(sfile->files);
     int i;
 
-    for (i = 0; i < nentries; ++i) {
+    for (i = 0; i < nentries; i++) {
       FileDirEntry *file = filelist_file(sfile->files, i);
       UI_autocomplete_update_name(autocpl, file->relpath);
     }
@@ -771,6 +965,17 @@ void ED_fileselect_exit(wmWindowManager *wm, ScrArea *sa, SpaceFile *sfile)
     return;
   }
   if (sfile->op) {
+    wmWindow *temp_win = WM_window_is_temp_screen(wm->winactive) ? wm->winactive : NULL;
+    int win_size[2];
+
+    if (temp_win) {
+      /* Get DPI/pixelsize independent size to be stored in preferences. */
+      WM_window_set_dpi(temp_win); /* Ensure the DPI is taken from the right window. */
+      win_size[0] = WM_window_pixels_x(temp_win) / UI_DPI_FAC;
+      win_size[1] = WM_window_pixels_y(temp_win) / UI_DPI_FAC;
+    }
+    ED_fileselect_params_to_userdef(sfile, temp_win ? win_size : NULL);
+
     WM_event_fileselect_event(wm, sfile->op, EVT_FILESELECT_EXTERNAL_CANCEL);
     sfile->op = NULL;
   }
diff --git a/source/blender/editors/space_file/fsmenu.c b/source/blender/editors/space_file/fsmenu.c
index b50c37baae6..7faa2b883f2 100644
--- a/source/blender/editors/space_file/fsmenu.c
+++ b/source/blender/editors/space_file/fsmenu.c
@@ -404,7 +404,7 @@ void fsmenu_write_file(struct FSMenu *fsmenu, const char *filename)
   fprintf(fp, "[Recent]\n");
   for (fsm_iter = ED_fsmenu_get_category(fsmenu, FS_CATEGORY_RECENT);
        fsm_iter && (nwritten < FSMENU_RECENT_MAX);
-       fsm_iter = fsm_iter->next, ++nwritten) {
+       fsm_iter = fsm_iter->next, nwritten++) {
     if (fsm_iter->path && fsm_iter->save) {
       fsmenu_entry_generate_name(fsm_iter, fsm_name, sizeof(fsm_name));
       if (fsm_iter->name[0] && !STREQ(fsm_iter->name, fsm_name)) {
@@ -492,20 +492,17 @@ void fsmenu_read_system(struct FSMenu *fsmenu, int read_bookmarks)
 
         /* Flee from horrible win querying hover floppy drives! */
         if (i > 1) {
-          /* Try to get volume label as well... */
+          /* Try to get a friendly drive description. */
+          SHFILEINFOW shFile = {0};
           BLI_strncpy_wchar_from_utf8(wline, tmps, 4);
-          if (GetVolumeInformationW(
-                  wline, wline + 4, FILE_MAXDIR - 4, NULL, NULL, NULL, NULL, 0)) {
-            size_t label_len;
-
-            BLI_strncpy_wchar_as_utf8(line, wline + 4, FILE_MAXDIR - 4);
-
-            label_len = MIN2(strlen(line), FILE_MAXDIR - 6);
-            BLI_snprintf(line + label_len, 6, " (%.2s)", tmps);
-
+          if (SHGetFileInfoW(wline, 0, &shFile, sizeof(SHFILEINFOW), SHGFI_DISPLAYNAME)) {
+            BLI_strncpy_wchar_as_utf8(line, shFile.szDisplayName, FILE_MAXDIR);
             name = line;
           }
         }
+        if (name == NULL) {
+          name = tmps;
+        }
 
         fsmenu_insert_entry(fsmenu, FS_CATEGORY_SYSTEM, tmps, name, FS_INSERT_SORTED);
       }
diff --git a/source/blender/editors/space_file/space_file.c b/source/blender/editors/space_file/space_file.c
index 1fd878e4662..d63fcf402de 100644
--- a/source/blender/editors/space_file/space_file.c
+++ b/source/blender/editors/space_file/space_file.c
@@ -55,6 +55,40 @@
 #include "filelist.h"
 #include "GPU_framebuffer.h"
 
+static ARegion *file_execute_region_ensure(ScrArea *sa, ARegion *ar_prev)
+{
+  ARegion *ar;
+
+  if ((ar = BKE_area_find_region_type(sa, RGN_TYPE_EXECUTE)) != NULL) {
+    return ar;
+  }
+
+  ar = MEM_callocN(sizeof(ARegion), "execute region for file");
+  BLI_insertlinkafter(&sa->regionbase, ar_prev, ar);
+  ar->regiontype = RGN_TYPE_EXECUTE;
+  ar->alignment = RGN_ALIGN_BOTTOM;
+  ar->flag = RGN_FLAG_DYNAMIC_SIZE;
+
+  return ar;
+}
+
+static ARegion *file_tool_props_region_ensure(ScrArea *sa, ARegion *ar_prev)
+{
+  ARegion *ar;
+
+  if ((ar = BKE_area_find_region_type(sa, RGN_TYPE_TOOL_PROPS)) != NULL) {
+    return ar;
+  }
+
+  /* add subdiv level; after execute region */
+  ar = MEM_callocN(sizeof(ARegion), "tool props for file");
+  BLI_insertlinkafter(&sa->regionbase, ar_prev, ar);
+  ar->regiontype = RGN_TYPE_TOOL_PROPS;
+  ar->alignment = RGN_ALIGN_RIGHT;
+
+  return ar;
+}
+
 /* ******************** default callbacks for file space ***************** */
 
 static SpaceLink *file_new(const ScrArea *UNUSED(area), const Scene *UNUSED(scene))
@@ -78,17 +112,14 @@ static SpaceLink *file_new(const ScrArea *UNUSED(area), const Scene *UNUSED(scen
   ar->regiontype = RGN_TYPE_TOOLS;
   ar->alignment = RGN_ALIGN_LEFT;
 
-  /* Tool props (aka operator) region */
-  ar = MEM_callocN(sizeof(ARegion), "tool props region for file");
-  BLI_addtail(&sfile->regionbase, ar);
-  ar->regiontype = RGN_TYPE_TOOL_PROPS;
-  ar->alignment = RGN_ALIGN_BOTTOM | RGN_SPLIT_PREV;
-
   /* ui list region */
   ar = MEM_callocN(sizeof(ARegion), "ui region for file");
   BLI_addtail(&sfile->regionbase, ar);
   ar->regiontype = RGN_TYPE_UI;
   ar->alignment = RGN_ALIGN_TOP;
+  ar->flag |= RGN_FLAG_DYNAMIC_SIZE;
+
+  /* Tool props and execute region are added as needed, see file_refresh(). */
 
   /* main region */
   ar = MEM_callocN(sizeof(ARegion), "main region for file");
@@ -201,9 +232,50 @@ static SpaceLink *file_duplicate(SpaceLink *sl)
   return (SpaceLink *)sfilen;
 }
 
+static void file_ensure_valid_region_state(bContext *C,
+                                           wmWindowManager *wm,
+                                           wmWindow *win,
+                                           ScrArea *sa,
+                                           SpaceFile *sfile,
+                                           FileSelectParams *params)
+{
+  ARegion *ar_ui = BKE_area_find_region_type(sa, RGN_TYPE_UI);
+  ARegion *ar_props = BKE_area_find_region_type(sa, RGN_TYPE_TOOL_PROPS);
+  ARegion *ar_execute = BKE_area_find_region_type(sa, RGN_TYPE_EXECUTE);
+  bool needs_init = false; /* To avoid multiple ED_area_initialize() calls. */
+
+  /* If there's an file-operation, ensure we have the option and execute region */
+  if (sfile->op && (ar_props == NULL)) {
+    ar_execute = file_execute_region_ensure(sa, ar_ui);
+    ar_props = file_tool_props_region_ensure(sa, ar_execute);
+
+    if (params->flag & FILE_HIDE_TOOL_PROPS) {
+      ar_props->flag |= RGN_FLAG_HIDDEN;
+    }
+    else {
+      ar_props->flag &= ~RGN_FLAG_HIDDEN;
+    }
+
+    needs_init = true;
+  }
+  /* If there's _no_ file-operation, ensure we _don't_ have the option and execute region */
+  else if ((sfile->op == NULL) && (ar_props != NULL)) {
+    BLI_assert(ar_execute != NULL);
+
+    ED_region_remove(C, sa, ar_props);
+    ED_region_remove(C, sa, ar_execute);
+    needs_init = true;
+  }
+
+  if (needs_init) {
+    ED_area_initialize(wm, win, sa);
+  }
+}
+
 static void file_refresh(const bContext *C, ScrArea *sa)
 {
   wmWindowManager *wm = CTX_wm_manager(C);
+  wmWindow *win = CTX_wm_window(C);
   SpaceFile *sfile = CTX_wm_space_file(C);
   FileSelectParams *params = ED_fileselect_get_params(sfile);
   struct FSMenu *fsmenu = ED_fsmenu_get();
@@ -217,15 +289,16 @@ static void file_refresh(const bContext *C, ScrArea *sa)
   }
   filelist_setdir(sfile->files, params->dir);
   filelist_setrecursion(sfile->files, params->recursion_level);
-  filelist_setsorting(sfile->files, params->sort);
-  filelist_setfilter_options(sfile->files,
-                             (params->flag & FILE_FILTER) != 0,
-                             (params->flag & FILE_HIDE_DOT) != 0,
-                             false, /* TODO hide_parent, should be controllable? */
-                             params->filter,
-                             params->filter_id,
-                             params->filter_glob,
-                             params->filter_search);
+  filelist_setsorting(sfile->files, params->sort, params->flag & FILE_SORT_INVERT);
+  filelist_setfilter_options(
+      sfile->files,
+      (params->flag & FILE_FILTER) != 0,
+      (params->flag & FILE_HIDE_DOT) != 0,
+      true, /* Just always hide parent, prefer to not add an extra user option for this. */
+      params->filter,
+      params->filter_id,
+      params->filter_glob,
+      params->filter_search);
 
   /* Update the active indices of bookmarks & co. */
   sfile->systemnr = fsmenu_get_active_indices(fsmenu, FS_CATEGORY_SYSTEM, params->dir);
@@ -254,7 +327,7 @@ static void file_refresh(const bContext *C, ScrArea *sa)
   else {
     filelist_cache_previews_set(sfile->files, false);
     if (sfile->previews_timer) {
-      WM_event_remove_timer_notifier(wm, CTX_wm_window(C), sfile->previews_timer);
+      WM_event_remove_timer_notifier(wm, win, sfile->previews_timer);
       sfile->previews_timer = NULL;
     }
   }
@@ -268,11 +341,8 @@ static void file_refresh(const bContext *C, ScrArea *sa)
   }
 
   /* Might be called with NULL sa, see file_main_region_draw() below. */
-  if (sa && BKE_area_find_region_type(sa, RGN_TYPE_TOOLS) == NULL) {
-    /* Create TOOLS/TOOL_PROPS regions. */
-    file_tools_region(sa);
-
-    ED_area_initialize(wm, CTX_wm_window(C), sa);
+  if (sa) {
+    file_ensure_valid_region_state((bContext *)C, wm, win, sa, sfile, params);
   }
 
   ED_area_tag_redraw(sa);
@@ -406,6 +476,11 @@ static void file_main_region_draw(const bContext *C, ARegion *ar)
     v2d->keepofs &= ~V2D_LOCKOFS_Y;
     v2d->keepofs |= V2D_LOCKOFS_X;
   }
+  else if (params->display == FILE_VERTICALDISPLAY) {
+    v2d->scroll = V2D_SCROLL_RIGHT;
+    v2d->keepofs &= ~V2D_LOCKOFS_Y;
+    v2d->keepofs |= V2D_LOCKOFS_X;
+  }
   else {
     v2d->scroll = V2D_SCROLL_BOTTOM;
     v2d->keepofs &= ~V2D_LOCKOFS_X;
@@ -439,7 +514,9 @@ static void file_main_region_draw(const bContext *C, ARegion *ar)
   UI_view2d_view_restore(C);
 
   /* scrollers */
-  scrollers = UI_view2d_scrollers_calc(v2d, NULL);
+  rcti view_rect;
+  ED_fileselect_layout_maskrect(sfile->layout, v2d, &view_rect);
+  scrollers = UI_view2d_scrollers_calc(v2d, &view_rect);
   UI_view2d_scrollers_draw(v2d, scrollers);
   UI_view2d_scrollers_free(scrollers);
 }
@@ -452,13 +529,13 @@ static void file_operatortypes(void)
   WM_operatortype_append(FILE_OT_select_box);
   WM_operatortype_append(FILE_OT_select_bookmark);
   WM_operatortype_append(FILE_OT_highlight);
+  WM_operatortype_append(FILE_OT_sort_column_ui_context);
   WM_operatortype_append(FILE_OT_execute);
   WM_operatortype_append(FILE_OT_cancel);
   WM_operatortype_append(FILE_OT_parent);
   WM_operatortype_append(FILE_OT_previous);
   WM_operatortype_append(FILE_OT_next);
   WM_operatortype_append(FILE_OT_refresh);
-  WM_operatortype_append(FILE_OT_bookmark_toggle);
   WM_operatortype_append(FILE_OT_bookmark_add);
   WM_operatortype_append(FILE_OT_bookmark_delete);
   WM_operatortype_append(FILE_OT_bookmark_cleanup);
@@ -538,7 +615,8 @@ static void file_ui_region_init(wmWindowManager *wm, ARegion *ar)
 {
   wmKeyMap *keymap;
 
-  UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
+  ED_region_panels_init(wm, ar);
+  ar->v2d.keepzoom |= V2D_LOCKZOOM_X | V2D_LOCKZOOM_Y;
 
   /* own keymap */
   keymap = WM_keymap_ensure(wm->defaultconf, "File Browser", SPACE_FILE, 0);
@@ -550,22 +628,24 @@ static void file_ui_region_init(wmWindowManager *wm, ARegion *ar)
 
 static void file_ui_region_draw(const bContext *C, ARegion *ar)
 {
-  float col[3];
-  /* clear */
-  UI_GetThemeColor3fv(TH_BACK, col);
-  GPU_clear_color(col[0], col[1], col[2], 0.0);
-  GPU_clear(GPU_COLOR_BIT);
+  ED_region_panels(C, ar);
+}
 
-  /* scrolling here is just annoying, disable it */
-  ar->v2d.cur.ymax = BLI_rctf_size_y(&ar->v2d.cur);
-  ar->v2d.cur.ymin = 0;
+static void file_execution_region_init(wmWindowManager *wm, ARegion *ar)
+{
+  wmKeyMap *keymap;
 
-  /* set view2d view matrix for scrolling (without scrollers) */
-  UI_view2d_view_ortho(&ar->v2d);
+  ED_region_panels_init(wm, ar);
+  ar->v2d.keepzoom |= V2D_LOCKZOOM_X | V2D_LOCKZOOM_Y;
 
-  file_draw_buttons(C, ar);
+  /* own keymap */
+  keymap = WM_keymap_ensure(wm->defaultconf, "File Browser", SPACE_FILE, 0);
+  WM_event_add_keymap_handler_v2d_mask(&ar->handlers, keymap);
+}
 
-  UI_view2d_view_restore(C);
+static void file_execution_region_draw(const bContext *C, ARegion *ar)
+{
+  ED_region_panels(C, ar);
 }
 
 static void file_ui_region_listener(wmWindow *UNUSED(win),
@@ -656,13 +736,22 @@ void ED_spacetype_file(void)
   /* regions: ui */
   art = MEM_callocN(sizeof(ARegionType), "spacetype file region");
   art->regionid = RGN_TYPE_UI;
-  art->prefsizey = 60;
   art->keymapflag = ED_KEYMAP_UI;
   art->listener = file_ui_region_listener;
   art->init = file_ui_region_init;
   art->draw = file_ui_region_draw;
   BLI_addhead(&st->regiontypes, art);
 
+  /* regions: execution */
+  art = MEM_callocN(sizeof(ARegionType), "spacetype file region");
+  art->regionid = RGN_TYPE_EXECUTE;
+  art->keymapflag = ED_KEYMAP_UI;
+  art->listener = file_ui_region_listener;
+  art->init = file_execution_region_init;
+  art->draw = file_execution_region_draw;
+  BLI_addhead(&st->regiontypes, art);
+  file_execute_region_panels_register(art);
+
   /* regions: channels (directories) */
   art = MEM_callocN(sizeof(ARegionType), "spacetype file region");
   art->regionid = RGN_TYPE_TOOLS;
@@ -677,14 +766,14 @@ void ED_spacetype_file(void)
   /* regions: tool properties */
   art = MEM_callocN(sizeof(ARegionType), "spacetype file operator region");
   art->regionid = RGN_TYPE_TOOL_PROPS;
-  art->prefsizex = 0;
-  art->prefsizey = 360;
+  art->prefsizex = 240;
+  art->prefsizey = 60;
   art->keymapflag = ED_KEYMAP_UI;
   art->listener = file_tools_region_listener;
   art->init = file_tools_region_init;
   art->draw = file_tools_region_draw;
   BLI_addhead(&st->regiontypes, art);
-  file_panels_register(art);
+  file_tool_props_region_panels_register(art);
 
   BKE_spacetype_register(st);
 }