Win64Depends.sh: improve compatibility

test-diagram still fails, however let's make our toolchain files
a good reference.

CMakeLists.txt

@@ -1,6 +1,6 @@
 # The last version with Windows XP support is 3.13, we want to keep that
 cmake_minimum_required (VERSION 3.10)
-project (logdiag VERSION 0.2.1 DESCRIPTION "Schematic editor" LANGUAGES C)
+project (logdiag VERSION 0.3.0 DESCRIPTION "Schematic editor" LANGUAGES C)
 
 # Options
 option (OPTION_CLANG_TIDY "Enable use of clang-tidy" OFF)
@@ -9,6 +9,7 @@ option (OPTION_GTKDOC "For developers only--enable use of gtk-doc" OFF)
 option (BUILD_TESTING "Build tests" OFF)
 
 # Project information
+set (project_ID "name.janouch.${PROJECT_NAME}")
 set (project_URL "https://git.janouch.name/p/logdiag")
 
 # For custom modules
@@ -40,6 +41,7 @@ if (CONVERT_EXECUTABLE AND NOT WIN32)
 	set (icon_svg ${icon_base}/scalable/apps/logdiag.svg)
 	set (icon_size_list 16x16 32x32 48x48)
 
+	# ImageMagick very oddly outperforms rsvg-convert with our specific SVG
 	set (icon_png_list)
 	set (icon_symbolic_list)
 	foreach (icon_size ${icon_size_list})
@@ -58,6 +60,8 @@ if (CONVERT_EXECUTABLE AND NOT WIN32)
 			PROPERTIES SYMBOLIC TRUE)
 	endforeach ()
 
+	# Symbolic targets prevent the icons from being either cleaned,
+	# or pointlessly regenerated slightly differently
 	set (icon_ico ${PROJECT_SOURCE_DIR}/share/logdiag.ico)
 	add_custom_target (${PROJECT_NAME}_icons
 		DEPENDS ${icon_symbolic_list}
@@ -68,9 +72,12 @@ endif ()
 # Dependencies
 find_package (PkgConfig REQUIRED)
 pkg_check_modules (GTK3 REQUIRED gtk+-3.0 json-glib-1.0)
+link_directories (${GTK3_LIBRARY_DIRS})
 
 if (NOT WIN32)
-	pkg_search_module (Lua REQUIRED lua>=5.2 lua5.3 lua-5.3 lua5.2 lua-5.2)
+	pkg_search_module (Lua REQUIRED lua>=5.2
+		lua5.4 lua-5.4 lua5.3 lua-5.3 lua5.2 lua-5.2)
+	link_directories (${Lua_LIBRARY_DIRS})
 else ()
 	# For whatever reason this now seems to be required
 	set (LUA_INCLUDE_DIR "${WIN32_DEPENDS_PATH}/include")
@@ -83,9 +90,6 @@ else ()
 	set (Lua_INCLUDE_DIRS ${LUA_INCLUDE_DIR})
 endif ()
 
-# This actually fucks up MinGW cross-compilation if omitted
-link_directories (${GTK3_LIBRARY_DIRS})
-
 # Localization
 find_package (Gettext REQUIRED)
 file (GLOB project_PO_FILES ${PROJECT_SOURCE_DIR}/po/*.po)
@@ -143,6 +147,7 @@ set (logdiag_TESTS
 	diagram)
 
 set (logdiag_SOURCES
+	${PROJECT_BINARY_DIR}/gresource.c
 	src/ld-window-main.c
 	src/logdiag.c)
 set (logdiag_HEADERS
@@ -155,34 +160,74 @@ if (WIN32)
 	list (APPEND logdiag_SOURCES share/logdiag.rc)
 endif ()
 
-# Generate a configure file
-add_definitions (-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_36)
-add_definitions (-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_36)
-configure_file (config.h.in ${PROJECT_BINARY_DIR}/config.h)
-include_directories (${PROJECT_BINARY_DIR})
-
 # Generate marshallers
-find_program (GLIB_GENMARSHAL_EXECUTABLE glib-genmarshal)
-if (NOT GLIB_GENMARSHAL_EXECUTABLE)
-	message (FATAL_ERROR "glib-genmarshal not found")
-endif ()
-
 function (glib_genmarshal listfile prefix)
-	get_filename_component (basename "${listfile}" NAME_WE)
-	set (command_base ${GLIB_GENMARSHAL_EXECUTABLE} --prefix ${prefix}
+	find_program (GLIB_GENMARSHAL_EXECUTABLE glib-genmarshal)
+	if (NOT GLIB_GENMARSHAL_EXECUTABLE)
+		message (FATAL_ERROR "glib-genmarshal not found")
+	endif ()
+
+	get_filename_component (_basename "${listfile}" NAME_WE)
+	set (_command_base ${GLIB_GENMARSHAL_EXECUTABLE} --prefix ${prefix}
 		"${listfile}")
 
-	add_custom_command (OUTPUT ${basename}.c ${basename}.h
-		COMMAND ${command_base} --body   > ${basename}.c
-		COMMAND ${command_base} --header > ${basename}.h
+	add_custom_command (OUTPUT ${_basename}.c ${_basename}.h
+		COMMAND ${_command_base} --body   > ${_basename}.c
+		COMMAND ${_command_base} --header > ${_basename}.h
 		DEPENDS "${listfile}"
 		COMMENT "Generating marshallers source files" VERBATIM)
 endfunction ()
 
 glib_genmarshal (${PROJECT_SOURCE_DIR}/liblogdiag/ld-marshal.list ld_marshal)
 
-include_directories (${PROJECT_SOURCE_DIR})
-include_directories (${GTK3_INCLUDE_DIRS} ${Lua_INCLUDE_DIRS})
+# Generate resources
+function (glib_compile_resources xml target)
+	find_program (GLIB_COMPILE_RESOURCES_EXECUTABLE glib-compile-resources)
+	if (NOT GLIB_COMPILE_RESOURCES_EXECUTABLE)
+		message (FATAL_ERROR "glib-compile-resources not found")
+	endif ()
+
+	# glib-compile-resources reads paths relative to its working directory
+	get_filename_component (_xml_path "${xml}" PATH)
+
+	# On Windows, the final Makefile may contain:
+	#   cd e:\abc && ...
+	# That won't actually change the directory. We have to do:
+	#   cd e:\abc && e: && ...
+	set (_prefix)
+	if (WIN32 AND "${_xml_path}" MATCHES "^.:[/\\\\]")
+		string (SUBSTRING "${_xml_path}" 0 2 _xml_drive)
+		set (_prefix ${_xml_drive} &&)
+	endif ()
+
+	# VERBATIM would cause problems, so it is not used here
+	add_custom_command (OUTPUT ${target}
+		COMMAND ${_prefix} ${GLIB_COMPILE_RESOURCES_EXECUTABLE}
+		--generate-source --target ${target} "${xml}" DEPENDS "${xml}"
+		WORKING_DIRECTORY "${_xml_path}" COMMENT "Compiling resources")
+
+	execute_process (COMMAND ${GLIB_COMPILE_RESOURCES_EXECUTABLE}
+		--generate-dependencies "${xml}"
+		WORKING_DIRECTORY "${_xml_path}" OUTPUT_VARIABLE _deps)
+	string (REPLACE "\n" ";" _deps "${_deps}")
+	foreach (_dep ${_deps})
+		set_property (SOURCE "${target}"
+			APPEND PROPERTY OBJECT_DEPENDS "${_xml_path}/${_dep}")
+	endforeach ()
+
+	configure_file ("${xml}" glib-compile-resources.stamp COPYONLY)
+endfunction ()
+
+glib_compile_resources (${PROJECT_SOURCE_DIR}/share/logdiag.gresource.xml
+	${PROJECT_BINARY_DIR}/gresource.c)
+
+# Generate a configure file
+add_definitions (-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_36)
+add_definitions (-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_36)
+configure_file (config.h.in ${PROJECT_BINARY_DIR}/config.h)
+
+include_directories (${PROJECT_SOURCE_DIR} ${PROJECT_BINARY_DIR}
+	${GTK3_INCLUDE_DIRS} ${Lua_INCLUDE_DIRS})
 set (logdiag_LIBS ${GTK3_LIBRARIES} ${Lua_LIBRARIES} m)
 
 if (WIN32)
@@ -205,7 +250,7 @@ if (NOT GLIB_COMPILE_SCHEMAS_EXECUTABLE)
 endif ()
 
 set (GSETTINGS_DIR "${PROJECT_SOURCE_DIR}/share")
-set (GSETTINGS_SCHEMAS "${GSETTINGS_DIR}/org.logdiag.gschema.xml")
+set (GSETTINGS_SCHEMAS "${GSETTINGS_DIR}/${PROJECT_NAME}.gschema.xml")
 
 if (OPTION_NOINSTALL)
 	set (GSETTINGS_COMPILED_SCHEMA "${PROJECT_BINARY_DIR}/gschemas.compiled")
@@ -350,8 +395,9 @@ else ()
 endif ()
 
 install (DIRECTORY docs/user-guide DESTINATION share/doc/${PROJECT_NAME})
-install (DIRECTORY share/gui share/library DESTINATION share/${PROJECT_NAME})
-install (FILES ${GSETTINGS_SCHEMAS} DESTINATION share/glib-2.0/schemas)
+install (DIRECTORY share/library DESTINATION share/${PROJECT_NAME})
+install (FILES ${GSETTINGS_SCHEMAS} DESTINATION share/glib-2.0/schemas
+	RENAME "${project_ID}.gschema.xml")
 install (CODE " # DESTDIR is not in use on Windows (WIN32 is only native here!)
 	if (WIN32 OR \"\$ENV{DESTDIR}\" STREQUAL \"\")
 		execute_process (COMMAND \"${GLIB_COMPILE_SCHEMAS_EXECUTABLE}\"
@@ -406,7 +452,7 @@ set (CPACK_DEBIAN_PACKAGE_HOMEPAGE "${project_URL}")
 
 set (CPACK_RPM_PACKAGE_REQUIRES "gtk3 >= 3.8, json-glib >= 0.10.4, lua = 5.2")
 set (CPACK_RPM_PACKAGE_GROUP "Graphics")
-set (CPACK_RPM_PACKAGE_LICENSE "ISC")
+set (CPACK_RPM_PACKAGE_LICENSE "0BSD")
 set (CPACK_RPM_PACKAGE_URL "${project_URL}")
 
 set (CPACK_SOURCE_GENERATOR "TGZ;ZIP")

NEWS

@@ -1,3 +1,14 @@
+Version 0.3.0
+ - Added basic print functionality (lines may have the wrong width).
+ - Fine-tuned rendering of a few symbols.
+ - Bound toggling of the grid to the # key, following Inkscape.
+ - Ensured all opened files are added to the list of recent files.
+ - View position is reset when opening files.
+ - Made the user guide available from the Help menu.
+ - The website link in the About dialog now opens on Windows XP.
+ - Put the project's license in the About dialog.
+ - Made Windows builds considerably slimmer.
+
 Version 0.2.1
  - Set up grounds for 64-bit Windows builds using the latest GTK+ 3.
  - Made the Windows installer ask to uninstall previous versions first.

README.adoc

@@ -10,8 +10,10 @@ image::docs/user-guide/logdiag-en.png[align="center"]
 
 Packages
 --------
-Regular releases are sporadic.  git master should be stable enough.  You can get
-a package with the latest development version from Archlinux's AUR.
+Regular releases are sporadic.  git master should be stable enough.
+You can get a package with the latest development version using Arch Linux's
+https://aur.archlinux.org/packages/logdiag-git[AUR],
+or as a https://git.janouch.name/p/nixexprs[Nix derivation].
 
 Windows installers can be downloaded from
 https://git.janouch.name/p/logdiag/releases[the Releases page on Gitea].
@@ -66,11 +68,14 @@ FindPkgConfig.cmake module to say:
  separate_arguments(_pkgconfig_invoke_result UNIX_COMMAND "${_pkgconfig_invoke_result}")
 
 Run the following command in the directory with source files to automatically
-fetch and set up all dependencies (note that Windows XP is no longer able to
-download from HTTPS sources, you'll have to run this externally):
+fetch and set up all dependencies:
 
  > cmake -P Win32Depends.cmake
 
+Note that on Windows XP, CMake will fail to download those files, even with
+https://emailarchitect.net/easendmail/sdk/html/object_tls12.htm[updates].
+You will have to run the script externally.
+
 Reserve a directory for an out-of-source build and let CMake prepare the build:
 
  > mkdir build
@@ -103,7 +108,7 @@ Just install MinGW-w64 and let automation take care of the rest.
 
 Alternatively, for an unnecessarily bloated MSYS2-based 64-bit build:
 
- $ sh Win64Depends.sh
+ $ sh -e Win64Depends.sh
  $ cmake -DCMAKE_TOOLCHAIN_FILE=ToolchainCrossWin64.cmake \
    -DCMAKE_BUILD_TYPE=Release -B build
  $ cmake --build build -- package

ToolchainCrossMinGW.cmake

@@ -5,12 +5,11 @@ set (CMAKE_C_COMPILER "i586-mingw32msvc-gcc")
 set (CMAKE_CXX_COMPILER "i586-mingw32msvc-g++")
 set (CMAKE_RC_COMPILER "i586-mingw32msvc-windres")
 
-# Not needed to crosscompile an installation package
-#set (CMAKE_CROSSCOMPILING_EMULATOR "wine")
+# Remember to set WINEPATH for library dependencies
+set (CMAKE_CROSSCOMPILING_EMULATOR "wine")
 
 set (CMAKE_FIND_ROOT_PATH "/usr/i586-mingw32msvc")
 
 set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-

ToolchainCrossMinGWW64.cmake

@@ -5,12 +5,11 @@ set (CMAKE_C_COMPILER "i686-w64-mingw32-gcc")
 set (CMAKE_CXX_COMPILER "i686-w64-mingw32-g++")
 set (CMAKE_RC_COMPILER "i686-w64-mingw32-windres")
 
-# Not needed to crosscompile an installation package
-#set (CMAKE_CROSSCOMPILING_EMULATOR "wine")
+# Remember to set WINEPATH for library dependencies
+set (CMAKE_CROSSCOMPILING_EMULATOR "wine")
 
 set (CMAKE_FIND_ROOT_PATH "/usr/i686-w64-mingw32")
 
 set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-

ToolchainCrossWin64.cmake

@@ -5,12 +5,11 @@ set (CMAKE_C_COMPILER "x86_64-w64-mingw32-gcc")
 set (CMAKE_CXX_COMPILER "x86_64-w64-mingw32-g++")
 set (CMAKE_RC_COMPILER "x86_64-w64-mingw32-windres")
 
-# Not needed to crosscompile an installation package
-#set (CMAKE_CROSSCOMPILING_EMULATOR "wine64")
+# Remember to set WINEPATH for library dependencies
+set (CMAKE_CROSSCOMPILING_EMULATOR "wine64")
 
 set (CMAKE_FIND_ROOT_PATH "/usr/x86_64-w64-mingw32")
 
 set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-

Win64Depends.sh

@@ -1,5 +1,5 @@
 #!/bin/sh -e
-# Win64Depends.sh: download dependencies from MSYS2 for cross-compilation
+# Win64Depends.sh: download dependencies from MSYS2 for cross-compilation.
 # Dependencies: AWK, sed, sha256sum, cURL, bsdtar, wine64
 repository=https://repo.msys2.org/mingw/mingw64/
 
@@ -27,7 +27,8 @@ fetch() {
 	} BEGIN { while ((getline < "db.tsv") > 0) {
 		filenames[$1] = $2; deps[$1] = ""; for (i = 3; i <= NF; i++) {
 			gsub(/[<=>].*/, "", $i); deps[$1] = deps[$1] $i FS }
-	} for (i = 0; i < ARGC; i++) get(ARGV[i]) }' "$@" | while IFS= read -r name
+	} for (i = 0; i < ARGC; i++) get(ARGV[i]) }' "$@" | tee db.want | \
+	while IFS= read -r name
 	do
 		status Fetching "$name"
 		[ -f "packages/$name" ] || curl -#o "packages/$name" "$repository/$name"
@@ -44,9 +45,9 @@ extract() {
 	for subdir in *
 	do [ -d "$subdir" -a "$subdir" != packages ] && rm -rf -- "$subdir"
 	done
-	for i in packages/*
-	do bsdtar -xf "$i" --strip-components 1 mingw64
-	done
+	while IFS= read -r name
+	do bsdtar -xf "packages/$name" --strip-components 1
+	done < db.want
 }
 
 configure() {
@@ -55,15 +56,16 @@ configure() {
 	wine64 bin/gdk-pixbuf-query-loaders.exe \
 		> lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
 
-	# pkgconf has a command line option for this, but CMake can't pass it
-	sed -i "s|^prefix=/mingw64|prefix=$(pwd)|" {share,lib}/pkgconfig/*.pc
+	# pkgconf has a command line option for this, but CMake can't pass it.
+	sed -i "s|^prefix=/mingw64|prefix=$(pwd)|" \
+		share/pkgconfig/*.pc lib/pkgconfig/*.pc
 }
 
 mkdir -p win32-depends
 cd win32-depends
 dbsync
 fetch mingw-w64-x86_64-gtk3 mingw-w64-x86_64-lua \
-	mingw-w64-x86_64-libwinpthread-git # because we don't do "provides"?
+	mingw-w64-x86_64-libwinpthread-git # Because we don't do "provides"?
 verify
 extract
 configure

config.h.in

@@ -10,6 +10,7 @@
 
 #define PROJECT_NAME "${PROJECT_NAME}"
 #define PROJECT_VERSION "${PROJECT_VERSION}"
+#define PROJECT_ID "${project_ID}"
 #define PROJECT_URL "${project_URL}"
 
 #cmakedefine OPTION_NOINSTALL

docs/user-guide/user-guide-cs.html

@@ -16,7 +16,7 @@ q:lang(cs):after { content: "“"; }
 <p class="details">
 <span id="author">Přemysl Eric Janouch</span><br>
 <span id="email"><a href="mailto:p@janouch.name">p@janouch.name</a></span><br>
-<span id="revnumber">verze 0.2.2,</span>
+<span id="revnumber">verze 0.3.0,</span>
 <span id="revdate">2021-10-28</span>
 
 <p class="figure"><img src="logdiag-cs.png" alt="Okno programu logdiag">

docs/user-guide/user-guide-en.html

@@ -16,7 +16,7 @@ q:lang(en):after { content: "’"; }
 <p class="details">
 <span id="author">Přemysl Eric Janouch</span><br>
 <span id="email"><a href="mailto:p@janouch.name">p@janouch.name</a></span><br>
-<span id="revnumber">version 0.2.2,</span>
+<span id="revnumber">version 0.3.0,</span>
 <span id="revdate">2021-10-28</span>
 
 <p class="figure"><img src="logdiag-en.png" alt="logdiag program window">

liblogdiag/ld-diagram-view.c

@@ -2591,7 +2591,9 @@ on_drag_motion (GtkWidget *widget, GdkDragContext *drag_ctx,
 	/* Discard leftovers from any previous unsuccessful drag. */
 	if (self->priv->dnd_left)
 	{
-		g_object_unref (self->priv->dnd_symbol);
+		/* The Wayland backend does a leave-drop-leave sequence. */
+		if (self->priv->dnd_symbol)
+			g_object_unref (self->priv->dnd_symbol);
 		self->priv->dnd_symbol = NULL;
 		self->priv->dnd_left = FALSE;
 	}
@@ -3002,6 +3004,9 @@ ld_diagram_view_get_export_bounds (LdDiagramView *self, LdRectangle *rect)
 {
 	LdRectangle intermediate;
 
+	/* Presumably, cairo_recording_surface_ink_extents() could also be used,
+	 * though DrawData::exposed_rect currently stands in the way.
+	 */
 	get_diagram_bounds (self, &intermediate);
 	ld_diagram_view_diagram_to_widget_coords_rect (self, &intermediate, rect);
 	return ld_diagram_view_get_scale_in_px (self);

liblogdiag/ld-marshal.list

@@ -1,3 +1,2 @@
-VOID:OBJECT,OBJECT
 VOID:OBJECT,STRING
 VOID:DOUBLE,DOUBLE

po/logdiag.pot

@@ -6,7 +6,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: logdiag 0.2.2\n"
+"Project-Id-Version: logdiag 0.3.0\n"
 "Report-Msgid-Bugs-To: https://git.janouch.name/p/logdiag/issues\n"
 "POT-Creation-Date: 2021-10-28 20:07+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

share/library/Logical/or.lua

@@ -23,6 +23,7 @@ local render = function (cr)
 	cr:curve_to (3, 0, 2, 2, 0, 2)
 	cr:line_to (-2, 2)
 	cr:curve_to (-1, 1, -1, -1, -2, -2)
+	cr:close_path ()
 	cr:stroke ()
 
 	-- The terminals

share/library/Misc/switch.lua

@@ -21,8 +21,7 @@ local render = function (cr)
 	cr:line_to (-1, 0)
 
 	-- The terminals
-	cr:move_to (-2, 0)
-	cr:line_to (-1, 0)
+	cr:line_to (-2, 0)
 
 	cr:move_to (1, 0)
 	cr:line_to (2, 0)

share/library/Passive/diode.lua

@@ -48,7 +48,7 @@ local render = function (cr)
 	cr:move_to (-1, -1)
 	cr:line_to (1, 0)
 	cr:line_to (-1, 1)
-	cr:line_to (-1, -1)
+	cr:close_path ()
 
 	-- The vertical line
 	cr:move_to (1, 1)

share/library/Passive/resistor.lua

@@ -42,7 +42,7 @@ local render = function (cr)
 	cr:line_to (1.5, -0.5)
 	cr:line_to (1.5, 0.5)
 	cr:line_to (-1.5, 0.5)
-	cr:line_to (-1.5, -0.5)
+	cr:close_path ()
 
 	-- The terminals
 	cr:move_to (-2, 0)

share/logdiag.gresource.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+	<gresource prefix="/logdiag">
+		<file>logdiag.ui</file>
+		<file alias="LICENSE">../LICENSE</file>
+	</gresource>
+</gresources>

share/logdiag.gschema.xml

@@ -1,5 +1,5 @@
 <schemalist>
-	<schema id="org.logdiag" path="/org/logdiag/" gettext-domain="logdiag">
+	<schema id="name.janouch.logdiag" path="/name/janouch/logdiag/" gettext-domain="logdiag">
 		<key name="show-main-toolbar" type="b">
 			<default>true</default>
 			<summary>Whether to show the main toolbar</summary>
@@ -14,4 +14,3 @@
 		</key>
 	</schema>
 </schemalist>
-

src/ld-window-main.c

@@ -274,8 +274,8 @@ ld_window_main_init (LdWindowMain *self)
 		priv->action_group, 0);
 
 	error = NULL;
-	gtk_ui_manager_add_ui_from_file
-		(priv->ui_manager, PROJECT_SHARE_DIR "gui/window-main.ui", &error);
+	gtk_ui_manager_add_ui_from_resource
+		(priv->ui_manager, "/logdiag/logdiag.ui", &error);
 	if (error)
 	{
 		g_message ("building UI failed: %s", error->message);
@@ -389,7 +389,7 @@ ld_window_main_init (LdWindowMain *self)
 	gtk_widget_show_all (GTK_WIDGET (self));
 
 	/* Set up GSettings. */
-	priv->settings = g_settings_new ("org." PROJECT_NAME);
+	priv->settings = g_settings_new (PROJECT_ID);
 
 	g_settings_bind (priv->settings, "show-main-toolbar",
 		gtk_action_group_get_action (priv->action_group,
@@ -712,9 +712,10 @@ diagram_save (LdWindowMain *self, GtkWindow *dialog_parent,
 static gboolean
 diagram_open (LdWindowMain *self, const gchar *filename)
 {
-	GError *error;
+	GError *error = NULL;
+	GFile *file;
+	gchar *uri;
 
-	error = NULL;
 	ld_diagram_load_from_file (self->priv->diagram, filename, &error);
 	if (error)
 	{
@@ -748,8 +749,17 @@ diagram_open (LdWindowMain *self, const gchar *filename)
 		return FALSE;
 	}
 
+	file = g_file_new_for_path (filename);
+	uri = g_file_get_uri (file);
+	g_object_unref (file);
+	gtk_recent_manager_add_item (gtk_recent_manager_get_default (), uri);
+	g_free (uri);
+
 	ld_diagram_set_modified (self->priv->diagram, FALSE);
 	diagram_set_filename (self, g_strdup (filename));
+
+	ld_diagram_view_set_x (self->priv->view, 0);
+	ld_diagram_view_set_y (self->priv->view, 0);
 	return TRUE;
 }
 
@@ -1153,6 +1163,10 @@ static void
 on_action_about (GtkAction *action, LdWindowMain *self)
 {
 	GtkWidget *about_dialog;
+	GBytes *license;
+
+	license = g_resources_lookup_data ("/logdiag/LICENSE",
+		G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
 
 	about_dialog = g_object_new (GTK_TYPE_ABOUT_DIALOG,
 		"program-name", PROJECT_NAME,
@@ -1160,9 +1174,11 @@ on_action_about (GtkAction *action, LdWindowMain *self)
 		"version", PROJECT_VERSION,
 		"translator-credits", _("translator-credits"),
 		"copyright", "Copyright 2010 - 2021 Přemysl Eric Janouch",
+		"license", g_bytes_get_data (license, NULL),
 		"website", PROJECT_URL,
 		NULL);
 
+	g_bytes_unref (license);
 	g_signal_connect (about_dialog, "activate-link",
 		G_CALLBACK (on_action_about_activate_link), self);
 

src/logdiag.c

@@ -127,16 +127,16 @@ main (int argc, char *argv[])
 	textdomain (GETTEXT_DOMAIN);
 
 #ifdef PROJECT_GSETTINGS_DIR
-	/* This is enabled when the build is set up for developing, so that the
-	 * application can find its schema. It might also find use when
-	 * installing the application into a location that's missing from
+	/* This is enabled when the build is set up for development,
+	 * so that the application can find its schema. It might also find use
+	 * when installing the application into a location that's missing from
 	 * g_get_system_data_dirs(), for example /usr/local or ~/.local.
 	 */
 	g_setenv ("GSETTINGS_SCHEMA_DIR", PROJECT_GSETTINGS_DIR, 0);
 #endif /* PROJECT_GSETTINGS_DIR */
 
 #ifdef _WIN32
-	/* Don't be unneccessarily limited by the system ANSI codepage. */
+	/* Don't be unneccessarily limited by the system's ANSI codepage. */
 	/* g_win32_get_command_line() should replace this code for GLib >= 2.40. */
 	argv_overriden = get_utf8_args (&argc, &argv);
 	if (argv_overriden)