1 (* rpmdepsize - visualize the size of RPM dependencies
2 * (C) Copyright 2009 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 * Written by Richard W.M. Jones <rjones@redhat.com>
19 * Python script modified from a version by Seth Vidal.
29 (* This corresponds to the sexpr that we write out from the
30 * Python code. OCaml will type-check it.
32 type root_packages = nevra * packages
33 and packages = pkg list
41 size : int64; (* installed size, excl. dirs *)
44 and nevra = string (* Name-[Epoch:]Version-Release.Arch *)
47 (* Full dependency representation. This is actually a graph because
48 * it contains dependency loops. The only difference from the pkg
49 * structure is that we have resolved the nevra strings into direct
50 * links, so we can quickly recurse over the tree.
52 * Parents/deps are mutable only because we want to modify these
53 * lists when creating this graph in 'create_deps'.
56 pkg : pkg; (* the package *)
57 mutable children : deps list; (* dependencies of this package (below) *)
58 mutable parents : deps list; (* parents of this package (above) *)
61 (* Final tree representation, loops removed, and everything we want to
62 * display stored in the nodes.
64 type tree = Tree of pkg * int64 * int64 * GDraw.color * tree list
66 (* Helpful modules, operators and functions. *)
67 module StringMap = Map.Make (String)
69 let sum = List.fold_left (+^) 0L
70 let spaces n = String.make n ' '
71 let failwithf = ksprintf failwith
73 (* Debugging support (--debug on the command line). *)
74 let debug_flag = ref false
76 (* ifprintf consumes the arguments, but produces no output *)
77 (if !debug_flag then eprintf else ifprintf Pervasives.stderr) format
79 (* Python has privileged access to the yum repodata, so we have to use
80 * this Python snippet to pull the data that we need out. This is the
81 * part of the program that takes ages to run, because Python is as
82 * slow as a fat snake that's just eaten a huge lunch. We can't help
85 * This function takes a string (package name) and returns a
88 let repoquery pkgstr =
96 basepkg = yb.pkgSack.returnPackages (patterns=[sys.argv[1]])[0]
97 deps = dict ({basepkg:False})
99 # Recursively find all the dependencies.
103 for pkg in deps.keys():
104 if deps[pkg] == False:
107 for r in pkg.requires:
108 ps = yb.whatProvides (r[0], r[1], r[2])
109 best = yb._bestPackageFromList (ps.returnPackages ())
110 if best.name != pkg.name:
111 deps[pkg].append (best)
112 if not deps.has_key (best):
114 deps[pkg] = yum.misc.unique (deps[pkg])
116 # Get the data out of python as fast as possible so we can
117 # use a serious language for analysis of the tree.
118 print \"(%s (\" % basepkg
119 for pkg in deps.keys():
120 print \"((nevra %s) (name %s) (epoch %s) (version %s) (release %s) (arch %s) (size %s)\" % (pkg, pkg.name, pkg.epoch, pkg.version, pkg.release, pkg.arch, pkg.installedsize)
125 sys.stdout.write (\"))\") # suppress trailing newline" in
127 (* Run the Python program and read in the generated sexpr. *)
129 sprintf "python -c %s %s" (Filename.quote py) (Filename.quote pkgstr) in
130 let chan = open_process_in cmd in
131 ignore (input_line chan); (* Drop "Loaded plugins" line. *)
133 root_packages_of_sexp (Sexp.of_string (Std.input_all chan)) in
134 (match close_process_in chan with
136 | WEXITED i -> failwithf "python command exited with status %d" i
137 | WSIGNALED i | WSTOPPED i ->
138 failwithf "python command stopped with signal %d" i
143 (* Create the dependency graph from the raw package data. Probably
144 * contains loops so beware.
146 * Takes the list of packages (from Python code) and returns a
147 * StringMap of nevra -> deps.
149 let create_deps pkgs =
151 List.map (fun pkg -> { pkg = pkg; children = []; parents = [] }) pkgs in
154 fun map ({pkg = pkg} as deps) -> StringMap.add pkg.nevra deps map
155 ) StringMap.empty deps in
160 let dep' = StringMap.find nevra depsmap in
161 (* dep.pkg is parent of dep'.pkg *)
162 dep.children <- dep' :: dep.children;
163 dep'.parents <- dep :: dep'.parents
168 (* For each package, calculate the total installed size of the package,
169 * which includes all subpackages pulled in. So it's what would be
170 * installed if you did 'yum install foo'.
172 * Takes the list of packages and the dependency map (see 'create_deps')
173 * and returns a StringMap of nevra -> total.
175 let create_totals pkgs depsmap =
177 let seen = ref StringMap.empty in
178 let rec _total = function
179 | { pkg = pkg } when StringMap.mem pkg.nevra !seen -> 0L
180 | { pkg = pkg; children = children } ->
181 seen := StringMap.add pkg.nevra true !seen;
182 pkg.size +^ sum (List.map _total children)
184 _total (StringMap.find pkg.nevra depsmap)
188 fun map pkg -> StringMap.add pkg.nevra (total pkg) map
189 ) StringMap.empty pkgs in
192 (* Create the final display tree. Each node is sorted so that
193 * children with the largest contribution come first (on the left).
194 * We remove packages which are already installed by earlier
195 * (leftward) packages. At each node we also store total size and
196 * size of the additional packages.
198 * Takes the nevra of the root package, the depsmap (see 'create_deps')
199 * and the totalsmap (see 'create_totals'), and returns the display
200 * tree and the depth of the tree.
202 let create_tree root depsmap totalsmap =
204 let seen = StringMap.empty in
205 let seen = StringMap.add root true seen in
206 let seen = ref seen in
207 let mark_seen { pkg = pkg } = seen := StringMap.add pkg.nevra true !seen in
208 let not_seen { pkg = pkg } = not (StringMap.mem pkg.nevra !seen) in
209 let rec build_tree = function
210 | { pkg = pkg; children = children } ->
211 (* Sort children by reverse total size. *)
212 let cmp { pkg = p1 } { pkg = p2 } =
213 let t1 = StringMap.find p1.nevra totalsmap in
214 let t2 = StringMap.find p2.nevra totalsmap in
217 let children = List.sort ~cmp children in
218 let children = List.filter not_seen children in
219 List.iter mark_seen children;
220 let children = List.map build_tree children in
221 let total = StringMap.find pkg.nevra totalsmap in
223 let rec sum_child_sizes = function
224 | Tree (pkg, _, _, _, children) ->
226 fun size child -> size +^ sum_child_sizes child
229 sum_child_sizes (Tree (pkg, 0L, 0L, `WHITE, children)) in
230 Tree (pkg, total, increm, `WHITE, children)
232 build_tree (StringMap.find root depsmap) in
234 (* Max depth of the tree. *)
236 let rec depth = function
237 | Tree (pkg, _, _, _, children) ->
238 List.fold_left (fun d c -> max d (1 + depth c)) 1 children
242 (* Allocate a colour to each node in the tree based on its parent. The
243 * single top node is always light grey. The second level nodes are
247 let Tree (pkg, total, increm, _, level2) = tree in
253 `RGB (55000, 55000, 0);
254 `RGB (0, 55000, 55000);
256 let rec colour_level2 cols = function
258 | Tree (pkg, total, increm, _, level3) :: level2 ->
259 let col, cols = match cols with
260 | [] -> List.hd pcols, List.tl pcols
261 | col :: cols -> col, cols in
262 let level3 = colour_level3 col (List.length level3) 0 level3 in
263 Tree (pkg, total, increm, col, level3)
264 :: colour_level2 cols level2
265 and colour_level3 col n i = function
267 | Tree (pkg, total, increm, _, leveln) :: level3 ->
268 let col = scale_colour col n i in
269 let leveln = colour_level3 col (List.length leveln) 0 leveln in
270 Tree (pkg, total, increm, col, leveln)
271 :: colour_level3 col n (i+1) level3
272 and scale_colour col n i =
273 let r, g, b = match col with
274 | `RGB (r, g, b) -> float r, float g, float b
275 | _ -> assert false in
276 let i = float i and n = float n in
277 let scale = 0.8 +. i/.(5.*.n) in
278 let r = r *. scale in
279 let g = g *. scale in
280 let b = b *. scale in
281 `RGB (int_of_float r, int_of_float g, int_of_float b)
283 colour_level2 pcols level2 in
284 Tree (pkg, total, increm, `RGB (55000, 55000, 55000), level2) in
288 (* Debugging functions. These only produce any output if debugging
289 * was enabled on the command line.
291 let debug_pkgs root pkgs =
292 if !debug_flag then (
295 eprintf "%s -> [%s]\n" pkg.nevra (String.concat ", " pkg.deps)
297 eprintf "root package is %s\n" root;
301 let debug_deps root depsmap =
302 if !debug_flag then (
303 let seen = ref StringMap.empty in
304 let rec display ?(indent=0) = function
305 | { pkg = pkg; children = children; parents = parents } ->
306 if StringMap.mem pkg.nevra !seen then
307 eprintf "%s%s -> ...\n" (spaces indent) pkg.nevra
309 eprintf "%s%s ->\n%sparents:[%s]\n"
310 (spaces indent) pkg.nevra (spaces (indent+2)) (
312 (List.map (fun { pkg = pkg } -> pkg.nevra) parents)
314 seen := StringMap.add pkg.nevra true !seen;
315 List.iter (display ~indent:(indent+2)) children
318 display (StringMap.find root depsmap);
322 let debug_tree tree =
323 if !debug_flag then (
324 let rec display ?(indent=0) = function
325 | Tree (pkg, total, increm, _, children) ->
326 eprintf "%s%s %Ld/%Ld/%Ld\n%!"
327 (spaces indent) pkg.nevra pkg.size increm total;
328 List.iter (display ~indent:(indent+2)) children
333 (* Useful display functions. *)
334 let display_percent bytes top_total =
335 100. *. Int64.to_float bytes /. Int64.to_float top_total
337 let display_size bytes =
338 if bytes > 104_857L then
339 sprintf "%.1f MB" (Int64.to_float bytes /. 1_048_576.)
340 else if bytes > 102L then
341 sprintf "%.1f KB" (Int64.to_float bytes /. 1_024.)
345 (* Defer a function callback until Gtk rendering has been done. *)
346 let defer ?(ms=10) f =
347 ignore (GMain.Timeout.add ~ms ~callback:(fun () -> f (); false))
349 (* Open the toplevel window. The 'pkgstr' parameter is the optional
350 * name of the package to open. If None then we open a blank window.
352 let open_window pkgstr =
353 (* Open the window. *)
354 let base_title = "Fedora RPM dependency size viewer" in
356 GWindow.window ~width:800 ~height:600
357 ~title:base_title ~allow_shrink:true () in
359 let vbox = GPack.vbox ~packing:window#add () in
362 let menubar = GMenu.menu_bar ~packing:vbox#pack () in
363 let factory = new GMenu.factory menubar in
364 let accel_group = factory#accel_group in
365 let package_menu = factory#add_submenu "_Package" in
366 let help_menu = factory#add_submenu "_Help" in
368 let factory = new GMenu.factory package_menu ~accel_group in
369 let open_item = factory#add_item "_Open package ..." ~key:GdkKeysyms._O in
370 let quit_item = factory#add_item "E_xit" ~key:GdkKeysyms._Q in
372 let factory = new GMenu.factory help_menu ~accel_group in
373 let about_item = factory#add_item "About" in
375 (* Events for the menu bar. *)
376 ignore (window#connect#destroy ~callback:GMain.quit);
377 ignore (quit_item#connect#activate ~callback:GMain.quit);
379 ignore (about_item#connect#activate ~callback:Rpmdepsize_about.callback);
381 let da = GMisc.drawing_area
382 ~packing:(vbox#pack ~expand:true ~fill:true) () in
384 let draw = new GDraw.drawable da#misc#window in
386 window#set_geometry_hints ~min_size:(80,80) (da :> GObj.widget);
388 (* Force a repaint of the drawing area. *)
389 let drawing_area_repaint () =
390 GtkBase.Widget.queue_draw da#as_widget
393 (* Pango contexts used to draw large and small text. *)
394 let pango_large_context = da#misc#create_pango_context in
395 pango_large_context#set_font_description (Pango.Font.from_string "Sans 12");
396 let pango_small_context = da#misc#create_pango_context in
397 pango_small_context#set_font_description (Pango.Font.from_string "Sans 8");
399 (* This is the currently open package, or None if nothing has
400 * opened by the user yet.
402 let opened = ref None in
404 (* Called from the "Open package" menu entry and other places. *)
405 let open_package pkgstr =
406 debug "open_package %s\n%!" pkgstr;
408 (* XXX Can't be bothered to do this "properly" (ie with threads etc)
409 * so just put a loading message in the middle of the drawing area.
411 let width, height = draw#size in
412 let txt = pango_large_context#create_layout in
413 Pango.Layout.set_text txt (sprintf "Loading %s ..." pkgstr);
414 let { Pango.width = txtwidth; Pango.height = txtheight } =
415 Pango.Layout.get_pixel_extent txt in
416 let x = (width - txtwidth) / 2 and y = (height - txtheight) / 2 in
417 draw#set_foreground (`RGB (0, 0, 65535));
418 draw#rectangle ~x:(x-4) ~y:(y-2)
419 ~width:(txtwidth+8) ~height:(txtheight+8) ~filled:true ();
420 draw#put_layout ~x ~y ~fore:`WHITE txt;
424 let root, pkgs = repoquery pkgstr in
425 debug_pkgs root pkgs;
426 let depsmap = create_deps pkgs in
427 debug_deps root depsmap;
428 let totalsmap = create_totals pkgs depsmap in
429 let tree, depth = create_tree root depsmap totalsmap in
432 (* top_total is the total size in bytes of everything. Used for
433 * relative display of percentages, widths, etc.
435 let Tree (_, top_total, top_increm, _, _) = tree in
436 assert (top_total = top_increm);
439 Some (root, pkgs, depsmap, totalsmap, tree, depth, top_total);
441 (* Update the window title. *)
442 window#set_title (pkgstr ^ " - " ^ base_title);
444 drawing_area_repaint ()
448 (* If the user selected something on the command line (pkgstr !=
449 * None) then set up an idle event to populate 'opened' as soon as
450 * the window gets drawn on the screen.
455 defer ~ms:50 (fun () -> open_package pkgstr)
460 GWindow.dialog ~parent:window ~modal:true
461 ~position:`CENTER_ON_PARENT ~title:"Open package" () in
462 dlg#add_button "Open package" `OPEN;
463 dlg#add_button "Cancel" `CANCEL;
464 let vbox = dlg#vbox in
465 let hbox = GPack.hbox ~packing:vbox#pack () in
466 ignore (GMisc.label ~text:"Package:" ~packing:hbox#pack ());
467 let entry = GEdit.entry
468 ~width_chars:40 ~packing:(hbox#pack ~expand:true ~fill:true) () in
469 ignore (GMisc.label ~text:"Enter a package name, wildcard or path."
470 ~packing:vbox#pack ());
472 match dlg#run () with
473 | `CANCEL | `DELETE_EVENT ->
476 let pkgstr = entry#text in
479 defer (fun () -> open_package pkgstr)
481 ignore (open_item#connect#activate ~callback);
483 (* Need to enable these mouse events so we can do tooltips. *)
484 GtkBase.Widget.add_events da#as_widget
485 [`ENTER_NOTIFY; `LEAVE_NOTIFY; `POINTER_MOTION];
487 let tooltips = ref None in
489 (* If we are moused-over a particular package, then this is != None. *)
490 let current = ref None in
491 let set_current new_current =
492 let old_current = !current in
493 current := new_current;
494 (* Because this structure contains loops, we can't use
495 * structural comparisons like: = <> compare.
498 match old_current, new_current with
499 | None, Some _ -> true
500 | Some _, None -> true
501 | Some { pkg = { nevra = n1 } }, Some { pkg = { nevra = n2 } } ->
504 if do_repaint then drawing_area_repaint ()
507 (* To track tooltips, the 'repaint' function records the location of
508 * each box (ie. package) in the drawing area in this private data
509 * structure, and the 'motion' function looks them up in order to
510 * display the right tooltip over each box.
512 let add_locn, reset_locns, get_locn =
513 let rows = ref [||] in
514 let rowheight = ref 0. in
516 let reset_locns rowheight' depth =
517 (* This data structure sucks because we just do a linear search
518 * over each row when looking up the 'x'. Should use some sort
519 * of self-balancing tree instead. XXX
521 rows := Array.init depth (fun _ -> ref []);
522 rowheight := rowheight'
523 and add_locn x yi width thing =
524 let row = (!rows).(yi) in
525 row := ((x, x +. width), thing) :: !row
527 let yi = int_of_float (y /. !rowheight) in
528 if yi >= 0 && yi < Array.length !rows then (
529 let row = !((!rows).(yi)) in
531 (snd (List.find (fun ((xlow, xhi), thing) ->
532 xlow <= x && x < xhi)
534 with Not_found -> None
538 add_locn, reset_locns, get_locn
541 let rec real_repaint root pkgs depsmap totalsmap tree depth top_total =
542 (* Get the canvas size and fill the background with white. *)
543 let width, height = draw#size in
544 draw#set_background `WHITE;
545 draw#set_foreground `WHITE;
546 draw#rectangle ~x:0 ~y:0 ~width ~height ~filled:true ();
548 (* Calculate the scales so we can fit everything into the window. *)
549 let rowheight = float height /. float depth in
550 let scale = float width /. Int64.to_float top_total in
552 reset_locns rowheight depth;
554 (* Now draw the tree. *)
555 let rec draw_tree x yi = function
556 | Tree (pkg, total, increm, colour, children) ->
557 (* Draw pkg at (x, y). *)
558 let y = float yi *. rowheight in
559 let width = scale *. Int64.to_float increm in
560 let pkgsizewidth = scale *. Int64.to_float pkg.size in
561 draw_pkg x yi y width pkgsizewidth rowheight colour pkg total increm;
563 (* Draw the children of pkg at (i, y + rowheight), where
564 * i starts as x and increments for each child.
567 let rec loop x = function
569 | child :: children ->
570 draw_tree x yi child;
571 let Tree (_, _, increm, _, _) = child in
572 let childwidth = scale *. Int64.to_float increm in
573 loop (x +. childwidth) children
577 (* Draw a single package. *)
578 and draw_pkg x yi y width pkgsizewidth height colour pkg total increm =
579 add_locn x yi width (colour, pkg, total, increm);
581 let x = int_of_float x in
582 let y = int_of_float y in
583 let width = int_of_float width in
584 let pkgsizewidth = int_of_float pkgsizewidth in
585 let height = int_of_float height in
588 draw_pkg_outline x y width pkgsizewidth height colour;
589 draw_pkg_label x y width height colour pkg total increm
591 else if width >= 4 then
592 draw_pkg_narrow x y width height colour
594 XXX This doesn't work. We need to coalesce small packages
596 draw_pkg_narrow x y 1 height colour *)
598 and draw_pkg_outline x y width pkgsizewidth height colour =
599 draw#set_foreground colour;
600 draw#rectangle ~x:(x+2) ~y:(y+2)
601 ~width:(width-4) ~height:(height-4)
603 if pkgsizewidth > 2 then (
604 draw#set_foreground (darken colour);
605 draw#rectangle ~x:(x+2) ~y:(y+2)
606 ~width:(pkgsizewidth-2) ~height:(height-4)
608 draw#set_foreground (choose_contrasting_colour colour);
609 draw#set_line_attributes ~style:`ON_OFF_DASH ();
610 draw#line (x+pkgsizewidth) (y+2) (x+pkgsizewidth) (y+height-2);
611 draw#set_line_attributes ~style:`SOLID ()
613 draw#set_foreground (`BLACK);
614 draw#rectangle ~x:(x+2) ~y:(y+2)
615 ~width:(width-4) ~height:(height-4)
618 and draw_pkg_label x y width height colour pkg total increm =
619 (* How to write text in a drawing area, in case it's not
620 * obvious, which it certainly is not:
621 * http://www.math.nagoya-u.ac.jp/~garrigue/soft/olabl/lablgtk-list/120.txt
623 (* txt1 is the same as the tooltip. *)
625 let txt = pango_large_context#create_layout in
626 Pango.Layout.set_text txt (
628 Package: %.1f%% %s (%Ld bytes)
629 Incremental: %.1f%% %s (%Ld bytes)
630 Total: %.1f%% %s (%Ld bytes)" pkg.nevra
631 (display_percent pkg.size top_total) (display_size pkg.size) pkg.size
632 (display_percent increm top_total) (display_size increm) increm
633 (display_percent total top_total) (display_size total) total
638 let txt = pango_small_context#create_layout in
639 Pango.Layout.set_text txt (
641 Package: %.1f%% %s (%Ld bytes)
642 Incremental: %.1f%% %s (%Ld bytes)
643 Total: %.1f%% %s (%Ld bytes)" pkg.nevra
644 (display_percent pkg.size top_total) (display_size pkg.size) pkg.size
645 (display_percent increm top_total) (display_size increm) increm
646 (display_percent total top_total) (display_size total) total
651 let txt = pango_small_context#create_layout in
652 Pango.Layout.set_text txt (
654 Pkg: %.1f%% %s (%Ld bytes)
655 Incr: %.1f%% %s (%Ld bytes)
656 Tot: %.1f%% %s (%Ld bytes)" pkg.name
657 (display_percent pkg.size top_total) (display_size pkg.size) pkg.size
658 (display_percent increm top_total) (display_size increm) increm
659 (display_percent total top_total) (display_size total) total
664 let txt = pango_small_context#create_layout in
665 Pango.Layout.set_text txt (
669 Tot: %.1f%% %s" pkg.name
670 (display_percent pkg.size top_total) (display_size pkg.size)
671 (display_percent increm top_total) (display_size increm)
672 (display_percent total top_total) (display_size total)
677 let txt = pango_small_context#create_layout in
678 Pango.Layout.set_text txt (
679 sprintf "%s\nPkg: %.1f%%\nIncr: %.1f%%\nTot: %.1f%%"
681 (display_percent pkg.size top_total)
682 (display_percent increm top_total)
683 (display_percent total top_total)
688 let txt = pango_small_context#create_layout in
689 Pango.Layout.set_text txt (
690 sprintf "%s Pkg: %.1f%% %s Incr: %.1f%% %s Tot: %.1f%% %s" pkg.name
691 (display_percent pkg.size top_total) (display_size pkg.size)
692 (display_percent increm top_total) (display_size increm)
693 (display_percent total top_total) (display_size total)
698 let txt = pango_small_context#create_layout in
699 Pango.Layout.set_text txt (
700 sprintf "%s %.1f%% %.1f%% %.1f%%" pkg.name
701 (display_percent pkg.size top_total)
702 (display_percent increm top_total)
703 (display_percent total top_total)
708 let txt = pango_small_context#create_layout in
709 Pango.Layout.set_text txt (
710 sprintf "%s" pkg.name
714 let txts = [ txt1; txt2; txt3; txt4; txt5; txt6; txt7; txt8 ] in
716 let fore = choose_contrasting_colour colour in
718 let rec loop = function
721 let txt = Lazy.force txt in
722 let { Pango.width = txtwidth;
723 Pango.height = txtheight } =
724 Pango.Layout.get_pixel_extent txt in
725 (* Now with added fudge-factor. *)
726 if width >= txtwidth + 8 && height >= txtheight + 8 then
727 draw#put_layout ~x:(x+4) ~y:(y+4) ~fore txt
732 and draw_pkg_narrow x y width height colour =
733 draw#set_foreground colour;
734 draw#rectangle ~x:(x+2) ~y:(y+2)
735 ~width:(width-4) ~height:(height-4) ~filled:true ()
737 and choose_contrasting_colour = function
739 if r + g + b > 98304 then `BLACK else `WHITE
742 and darken = function
744 `RGB (r * 9 / 10, g * 9 / 10, b * 9 / 10)
752 | Some (root, pkgs, depsmap, totalsmap, tree, depth, top_total) ->
753 real_repaint root pkgs depsmap totalsmap tree depth top_total
756 (* Return false because this is a Gtk event handler. *)
759 ignore (da#event#connect#expose ~callback:repaint);
761 let rec real_motion root pkgs depsmap totalsmap tree depth top_total ev =
762 let x, y = GdkEvent.Motion.x ev, GdkEvent.Motion.y ev in
764 let kill_tooltip () =
765 (match !tooltips with
767 | Some (tt : GData.tooltips) ->
768 tt#set_tip ~text:"" (da :> GObj.widget);
774 (match get_locn x y with
778 | Some (colour, pkg, total, increm) ->
779 (* Update 'current' which points to the currently moused package. *)
780 let dep = StringMap.find pkg.nevra depsmap in
781 set_current (Some dep);
783 let deps_of_string deps =
785 (List.sort (List.map (fun d -> d.pkg.nevra) deps))
788 (* The only way to make the tooltip follow the mouse is to
789 * kill the whole tooltips object and recreate it each time ...
792 let tt = GData.tooltips ~delay:100 () in
793 (* Tooltip text is the same as txt1 + extra. *)
794 let text = sprintf "%s
795 Package: %.1f%% %s (%Ld bytes)
796 Incremental: %.1f%% %s (%Ld bytes)
797 Total: %.1f%% %s (%Ld bytes)" pkg.nevra
798 (display_percent pkg.size top_total) (display_size pkg.size) pkg.size
799 (display_percent increm top_total) (display_size increm) increm
800 (display_percent total top_total) (display_size total) total in
801 let text = if dep.parents = [] then text else text ^ sprintf "
804 (deps_of_string dep.parents) in
805 let text = if dep.children = [] then text else text ^ sprintf "
808 (deps_of_string dep.children) in
809 tt#set_tip ~text (da :> GObj.widget);
817 | Some (root, pkgs, depsmap, totalsmap, tree, depth, top_total) ->
818 real_motion root pkgs depsmap totalsmap tree depth top_total ev
821 (* Return false because this is a Gtk event handler. *)
824 ignore (da#event#connect#motion_notify ~callback:motion);
826 window#add_accel_group accel_group;
832 (* Parse the command line arguments. *)
833 let anon_args = ref [] in
835 let argspec = Arg.align [
836 "--debug", Arg.Set debug_flag,
837 " " ^ "Enable debugging messages on stderr";
839 let anon_fun str = anon_args := str :: !anon_args in
841 "rpmdepsize [package] : visualize the size of RPM dependencies" in
843 Arg.parse argspec anon_fun usage_msg;
845 (* Should be at most one anonymous argument. *)
847 match !anon_args with
851 eprintf "rpmdepsize: too many command line arguments";
854 (* Open the main window. *)