Initial shot at using Gtk on Julia 1.3+

.gitignore

@@ -3,3 +3,4 @@ deps/deps.jl
 docs/build
 .DS_Store
 Manifest.toml
+MutableArtifacts.toml

.travis.yml

@@ -5,9 +5,7 @@ os:
   - linux
   - osx
 julia:
-  - 0.7
-  - 1.0
-  - 1.2
+  - 1.3
   - nightly
 # uncomment the following lines to allow failures on nightly julia
 # (tests will run but not make your overall status red)
@@ -25,7 +23,6 @@ addons:
     packages:
       - xvfb
       - xauth
-      - libgtk-3-dev
 script:
   - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
   - if [[ `uname` = "Linux" ]]; then TESTCMD="xvfb-run julia"; else TESTCMD="julia"; fi

MutableArtifacts.toml

@@ -0,0 +1,2 @@
+[gdk-pixbuf-loaders-cache]
+git-tree-sha1 = "d3a8d14e37f48c0d4bff2dc76a12b68dc0b504e6"

Project.toml

@@ -3,18 +3,21 @@ uuid = "4c0ca9eb-093a-5379-98c5-f87ac0bbbf44"
 version = "0.18.0"
 
 [deps]
-BinDeps = "9e28174c-4ba2-5203-b857-d8d62c4213ee"
 Cairo = "159f3aea-2a34-519c-b102-8c37f9878175"
+Cairo_jll = "83423d85-b0ee-5818-9007-b63ccbeb887a"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+GTK3_jll = "77ec8976-b24b-556a-a1bf-49a033a670a6"
+Glib_jll = "7746bdde-850d-59dc-9ae8-88ece973131d"
 Graphics = "a2bd30eb-e257-5431-a919-1863eab51364"
-Homebrew = "d9be37ee-ecc9-5288-90f1-b9ca67657a75"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
-WinRPM = "c17dfb99-b4f7-5aad-8812-456da1ad7187"
+adwaita_icon_theme_jll = "b437f822-2cd6-5e08-a15c-8bac984d38ee"
+gdk_pixbuf_jll = "da03df04-f53b-5353-a52f-6a8b0620ced0"
 
 [compat]
-Cairo = "0.3, 0.4, 0.5, 0.6"
+Cairo = "≥ 0.7"
 Graphics = "≥ 0.1.0"
-julia = "0.7, 1"
+julia = "≥ 1.3"

appveyor.yml

@@ -1,8 +1,6 @@
 environment:
   matrix:
-  - julia_version: 0.7
-  - julia_version: 1.0
-  - julia_version: 1.2
+  - julia_version: 1.3
   - julia_version: nightly
 
 platform:

src/GLib/GLib.jl

@@ -1,5 +1,8 @@
 module GLib
 
+# Import `libgobject` and whatnot
+using Glib_jll
+
 if false
 function include(x)
     println("including $x")
@@ -42,8 +45,6 @@ bytestring(s::Ptr{UInt8}) = unsafe_string(s)
 g_malloc(s::Integer) = ccall((:g_malloc, libglib), Ptr{Nothing}, (Csize_t,), s)
 g_free(p::Ptr) = ccall((:g_free, libglib), Nothing, (Ptr{Nothing},), p)
 
-include(joinpath("..", "..", "deps", "ext_glib.jl"))
-
 ccall((:g_type_init, libgobject), Nothing, ())
 
 include("MutableTypes.jl")

src/Gtk.jl

@@ -1,6 +1,13 @@
 # julia Gtk interface
 module Gtk
 
+# Import binary definitions
+using GTK3_jll, Glib_jll, gdk_pixbuf_jll, adwaita_icon_theme_jll, gdk_pixbuf_jll
+using Pkg.Artifacts
+const libgdk = libgdk3
+const libgtk = libgtk3
+
+
 const suffix = :Leaf
 include("GLib/GLib.jl")
 using .GLib
@@ -17,11 +24,7 @@ import Base: convert, show, run, size, resize!, length, getindex, setindex!,
              parent, isempty, empty!, first, last, in, popfirst!,
              eltype, copy, isvalid, string, sigatomic_begin, sigatomic_end, (:), iterate
 
-if VERSION < v"1.0"
-  import Base: showall, select!, start
-else
-  export showall, select!, start
-end
+export showall, select!, start
 
 using Reexport
 @reexport using Graphics
@@ -67,6 +70,58 @@ include("theme.jl")
 include("gio.jl")
 include("application.jl")
 
+function __init__()
+    # Set XDG_DATA_DIRS so that Gtk can find its icons and schemas
+    ENV["XDG_DATA_DIRS"] = join(filter(x -> x != nothing, [
+        dirname(adwaita_icon_theme_jll.icons_dir),
+        joinpath(dirname(GTK3_jll.libgdk3_path), "..", "share"),
+        get(ENV, "XDG_DATA_DIRS", nothing),
+    ]), ":")
+
+    # Next, ensure that gdk-pixbuf has its loaders.cache file; we generate a
+    # MutableArtifacts.toml file that maps in a loaders.cache we dynamically
+    # generate by running `gdk-pixbuf-query-loaders:`
+    mutable_artifacts_toml = joinpath(dirname(@__DIR__), "MutableArtifacts.toml")
+    loaders_cache_name = "gdk-pixbuf-loaders-cache"
+    loaders_cache_hash = artifact_hash(loaders_cache_name, mutable_artifacts_toml)
+    if loaders_cache_hash === nothing
+        # Run gdk-pixbuf-query-loaders, capture output, 
+        loader_cache_contents = gdk_pixbuf_query_loaders() do gpql
+            withenv("GDK_PIXBUF_MODULEDIR" => gdk_pixbuf_loaders_dir) do
+                return String(read(`$gpql`))
+            end
+        end
+
+        # Write cache out to file in new artifact
+        loaders_cache_hash = create_artifact() do art_dir
+            open(joinpath(art_dir, "loaders.cache"), "w") do io
+                write(io, loader_cache_contents)
+            end
+        end
+        bind_artifact!(mutable_artifacts_toml,
+            loaders_cache_name,
+            loaders_cache_hash;
+            force=true
+        )
+    end
+
+    # Point gdk to our cached loaders
+    ENV["GDK_PIXBUF_MODULE_FILE"] = joinpath(artifact_path(loaders_cache_hash), "loaders.cache")
+    ENV["GDK_PIXBUF_MODULEDIR"] = gdk_pixbuf_loaders_dir
+
+    GError() do error_check
+        ccall((:gtk_init_with_args, libgtk), Bool,
+            (Ptr{Nothing}, Ptr{Nothing}, Ptr{UInt8}, Ptr{Nothing}, Ptr{UInt8}, Ptr{GError}),
+            C_NULL, C_NULL, "Julia Gtk Bindings", C_NULL, C_NULL, error_check)
+    end
+
+    # if g_main_depth > 0, a glib main-loop is already running,
+    # so we don't need to start a new one
+    if ccall((:g_main_depth, GLib.libglib), Cint, ()) == 0
+        global gtk_main_task = schedule(Task(gtk_main))
+    end
+end
+
 const ser_version = Serialization.ser_version
 let cachedir = joinpath(splitdir(@__FILE__)[1], "..", "gen")
     fastgtkcache = joinpath(cachedir, "gtk$(libgtk_version.major)_julia_ser$(ser_version)")

src/boxes.jl

@@ -41,9 +41,9 @@ mutable struct GdkPixbufFormat <: GBoxed
     handle::Ptr{GdkPixbufFormat}
     function GdkPixbufFormat(ref::Ptr{GdkPixbufFormat}, own::Bool = false)
         x = new( own ? ref :
-            ccall((:gdk_pixbuf_format_copy, Gtk.libgdk_pixbuf), Nothing, (Ptr{GdkPixbufFormat},), ref))
+            ccall((:gdk_pixbuf_format_copy, Gtk.libgdkpixbuf), Nothing, (Ptr{GdkPixbufFormat},), ref))
         finalizer(x, x::GdkPixbufFormat->begin
-                    ccall((:gdk_pixbuf_format_free, Gtk.libgdk_pixbuf), Nothing, (Ptr{GdkPixbufFormat},), x.handle)
+                    ccall((:gdk_pixbuf_format_free, Gtk.libgdkpixbuf), Nothing, (Ptr{GdkPixbufFormat},), x.handle)
                 end)
         path
     end

src/cairo.jl

@@ -1,4 +1,4 @@
-import Cairo._jl_libcairo
+using Cairo_jll
 
 # GtkCanvas is the plain Gtk drawing canvas built on Cairo.
 mutable struct GtkCanvas <: GtkDrawingArea # NOT an @GType
@@ -99,18 +99,18 @@ function cairo_surface_for(widget::GtkCanvas)
 end
 
 function canvas_on_draw_event(::Ptr{GObject}, cc::Ptr{Nothing}, widget::GtkCanvas) # cc is a Cairo context
-    ccall((:cairo_set_source_surface, _jl_libcairo), Nothing,
+    ccall((:cairo_set_source_surface, libcairo), Nothing,
         (Ptr{Nothing}, Ptr{Nothing}, Float64, Float64), cc, widget.back.ptr, 0, 0)
-    ccall((:cairo_paint, _jl_libcairo), Nothing, (Ptr{Nothing},), cc)
+    ccall((:cairo_paint, libcairo), Nothing, (Ptr{Nothing},), cc)
     Int32(false) # propagate the event further
 end
 
 function canvas_on_expose_event(::Ptr{GObject}, e::Ptr{Nothing}, widget::GtkCanvas) # e is a GdkEventExpose
     cc = ccall((:gdk_cairo_create, libgdk), Ptr{Nothing}, (Ptr{Nothing},), gdk_window(widget))
-    ccall((:cairo_set_source_surface, _jl_libcairo), Nothing,
+    ccall((:cairo_set_source_surface, libcairo), Nothing,
         (Ptr{Nothing}, Ptr{Nothing}, Float64, Float64), cc, widget.back.ptr, 0, 0)
-    ccall((:cairo_paint, _jl_libcairo), Nothing, (Ptr{Nothing},), cc)
-    ccall((:cairo_destroy, _jl_libcairo), Nothing, (Ptr{Nothing},), cc)
+    ccall((:cairo_paint, libcairo), Nothing, (Ptr{Nothing},), cc)
+    ccall((:cairo_destroy, libcairo), Nothing, (Ptr{Nothing},), cc)
     Int32(false) # propagate the event further
 end