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use Renard::Curie::Setup; |
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package Renard::Curie::Helper; |
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$Renard::Curie::Helper::VERSION = '0.002'; |
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# ABSTRACT: Collection of helper utilities for Gtk3 and Glib |
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use Renard::Curie::Types qw(Str); |
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use Class::Method::Modifiers; |
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use Gtk3; |
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use Function::Parameters; |
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fun _scrolled_window_viewport_shim() { |
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# Note: The code below is marked as uncoverable because it only applies |
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# to a single version of GTK+ and thus is not part of the general |
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# coverage. The functionality that it adds is tested in other ways. |
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# uncoverable branch true |
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if( not Gtk3::CHECK_VERSION('3', '8', '0') ) { |
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# For versions of Gtk+ less than v3.8.0, we need to call |
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# `Gtk3::ScrolledWindow->add_with_viewport( ... )` so that the |
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# child widget gets placed in a viewport. |
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# |
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# Newer versions of Gtk+ automatically create the viewport when |
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# `Gtk3::ScrolledWindow->add( ... )` is called. |
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# |
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# See: |
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# - <https://developer.gnome.org/gtk3/3.6/GtkScrolledWindow.html> |
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# - <https://developer.gnome.org/gtk3/3.8/GtkScrolledWindow.html> |
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Class::Method::Modifiers::install_modifier |
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"Gtk3::ScrolledWindow", |
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around => add => fun(@) { |
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# uncoverable subroutine |
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my $orig = shift; # uncoverable statement |
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my $self = shift; # uncoverable statement |
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$self->add_with_viewport(@_); # uncoverable statement |
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}; # uncoverable statement |
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} |
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} |
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fun _can_set_theme() { |
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# uncoverable branch true |
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return $^O ne 'MSWin32' && Gtk3::CHECK_VERSION('3', '20', '1'); |
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} |
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fun _set_theme( (Str) $theme_name ) { |
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# uncoverable subroutine |
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# uncoverable branch true |
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return unless _can_set_theme; |
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my $adwaita = Gtk3::CssProvider::get_named('Adawaita')->to_string; # uncoverable statement |
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my $custom = Gtk3::CssProvider::get_named($theme_name)->to_string; # uncoverable statement |
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if( $adwaita ne $custom ) { # uncoverable statement |
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my $settings = Gtk3::Settings::get_default; # uncoverable statement |
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$settings->set_property('gtk-theme-name', $theme_name); # uncoverable statement |
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} else { # uncoverable statement |
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warn "Not able to find theme ${theme_name}.\n"; # uncoverable statement |
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} # uncoverable statement |
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} |
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fun _set_icon_theme( (Str) $icon_theme_name ) { |
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# uncoverable subroutine |
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# uncoverable branch true |
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return unless _can_set_theme; |
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my $i = Gtk3::IconTheme->new; # uncoverable statement |
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$i->set_custom_theme($icon_theme_name); # uncoverable statement |
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my $n = $i->choose_icon_for_scale(['gtk-open'], 16, 1, 'no-svg'); # uncoverable statement |
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my $expected_path = qr,/$icon_theme_name/.*\Qgtk-open.png\E$,; # uncoverable statement |
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if ( defined $n && $n->get_filename =~ $expected_path ) { # uncoverable statement |
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my $settings = Gtk3::Settings::get_default; # uncoverable statement |
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$settings->set_property('gtk-icon-theme-name', # uncoverable statement |
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$icon_theme_name); # uncoverable statement |
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} else { # uncoverable statement |
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warn "Not able to find icon-theme ${icon_theme_name}.\n"; # uncoverable statement |
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} # uncoverable statement |
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} |
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sub import { |
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_scrolled_window_viewport_shim; |
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_set_theme('Flat-Plat'); |
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_set_icon_theme('Arc'); |
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return; |
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} |
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# Note: :prototype($$) would help here, but is only possible on Perl v5.20+ |
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classmethod gval( $glib_typename, $value ) { ## no critic |
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# GValue wrapper shortcut |
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Glib::Object::Introspection::GValueWrapper->new('Glib::'.ucfirst($glib_typename) => $value); |
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} |
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classmethod genum( $package, $sv ) { |
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Glib::Object::Introspection->convert_sv_to_enum($package, $sv); |
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} |
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classmethod callback( $invocant, $callback_name, @args ) { |
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my $fun = $invocant->can( $callback_name ); |
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$fun->( @args, $invocant ); |
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} |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=for stopwords gval genum |
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111
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=head1 NAME |
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Renard::Curie::Helper - Collection of helper utilities for Gtk3 and Glib |
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115
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=head1 VERSION |
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117
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version 0.002 |
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119
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=head1 CLASS METHODS |
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121
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=head2 C<gval> |
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classmethod gval( $glib_typename, $value ) |
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Given a L<Glib type name|https://developer.gnome.org/glib/stable/glib-Basic-Types.html>, wraps a |
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Perl value in an object that can be passed to other L<Glib>-based functions. |
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128
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=over 4 |
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=item * |
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C<$glib_typename> |
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The name of a type under the C<Glib::> namespace. For |
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example, passing in C<"int"> gives a wrapper to the C<gint> |
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C type which is known as C<Glib::Int> in Perl. |
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=item * |
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140
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C<$value> |
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The value to put inside the wrapper. |
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=back |
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See L<Glib::Object::Introspection::GValueWrapper> in |
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L<Glib::Object::Introspection> for more information. |
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149
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=head2 genum |
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151
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classmethod genum( $package, $sv ) |
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153
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Returns an enumeration value of type C<$package> which contains the matching |
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enum value given in C<$sv> as a string. |
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156
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=over 4 |
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=item * |
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160
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C<$package> |
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The package name of a L<Glib> enumeration. |
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164
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=item * |
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166
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C<$sv> |
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168
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A string representation of the enumeration value. |
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170
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=back |
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172
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For example, for |
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L<GtkPackType|https://developer.gnome.org/gtk3/stable/gtk3-Standard-Enumerations.html#GtkPackType> |
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enum, we set C<$package> to C<'Gtk3::PackType'> and C<$sv> to C<'GTK_PACK_START'>. |
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This can be passed on to other L<Glib::Object::Introspection> methods. |
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177
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=head2 callback |
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classmethod callback( $invocant, $callback_name, @args ) |
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181
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A helper function to redirect to other callback functions. Given an |
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C<$invocant> and the name of the callback function, C<$callback_name>, which is |
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defined in the package of C<$invocant>, calls that function with arguments |
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C<( @args, $invocant )>. |
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186
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For example, if we are trying to call the callback function |
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C<Target::Package::on_event_cb> and C<$target> is a blessed reference of type |
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C<Target::Package>, then by using |
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Renard::Curie::Helper->callback( $target, on_event_cb => @rest_of_args ); |
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192
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effectively calls |
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Target::Package::on_event_cb( @rest_of_args, $target ); |
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196
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=head1 AUTHOR |
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Project Renard |
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200
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2016 by Project Renard. |
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204
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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207
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=cut |