… | |
… | |
2010 | qw(s1_slider.png s1_slider_bg.png); |
2010 | qw(s1_slider.png s1_slider_bg.png); |
2011 | |
2011 | |
2012 | sub new { |
2012 | sub new { |
2013 | my $class = shift; |
2013 | my $class = shift; |
2014 | |
2014 | |
2015 | # range [value, low, high, page] |
2015 | # range [value, low, high, page, unit] |
2016 | |
2016 | |
2017 | # TODO: 0-width page |
2017 | # TODO: 0-width page |
2018 | # TODO: req_w/h are wrong with vertical |
2018 | # TODO: req_w/h are wrong with vertical |
2019 | # TODO: calculations are off |
2019 | # TODO: calculations are off |
2020 | my $self = $class->SUPER::new ( |
2020 | my $self = $class->SUPER::new ( |
… | |
… | |
2023 | range => [0, 0, 100, 10], |
2023 | range => [0, 0, 100, 10], |
2024 | req_w => $::WIDTH / 80, |
2024 | req_w => $::WIDTH / 80, |
2025 | req_h => $::WIDTH / 80, |
2025 | req_h => $::WIDTH / 80, |
2026 | vertical => 0, |
2026 | vertical => 0, |
2027 | can_hover => 1, |
2027 | can_hover => 1, |
2028 | inner_pad => 5, |
2028 | inner_pad => .05, |
2029 | @_ |
2029 | @_ |
2030 | ); |
2030 | ); |
2031 | |
2031 | |
|
|
2032 | $self->set_value ($self->{range}[0]); |
|
|
2033 | $self->update; |
|
|
2034 | |
2032 | $self |
2035 | $self |
|
|
2036 | } |
|
|
2037 | |
|
|
2038 | sub set_value { |
|
|
2039 | my ($self, $value) = @_; |
|
|
2040 | |
|
|
2041 | my ($old_value, $lo, $hi, $page, $unit) = @{$self->{range}}; |
|
|
2042 | |
|
|
2043 | $hi = $lo + 1 if $hi <= $lo; |
|
|
2044 | |
|
|
2045 | $value = $lo if $value < $lo; |
|
|
2046 | $value = $hi if $value > $hi; |
|
|
2047 | |
|
|
2048 | $value = $lo + $unit * int +($value - $lo + $unit * 0.5) / $unit |
|
|
2049 | if $unit; |
|
|
2050 | |
|
|
2051 | $page = $hi - $lo if $page > $hi - $lo; |
|
|
2052 | |
|
|
2053 | @{$self->{range}} = ($value, $lo, $hi, $page, $unit); |
|
|
2054 | |
|
|
2055 | if ($value != $old_value) { |
|
|
2056 | $self->emit (changed => $value); |
|
|
2057 | $self->update; |
|
|
2058 | } |
2033 | } |
2059 | } |
2034 | |
2060 | |
2035 | sub size_request { |
2061 | sub size_request { |
2036 | my ($self) = @_; |
2062 | my ($self) = @_; |
2037 | |
2063 | |
… | |
… | |
2050 | |
2076 | |
2051 | sub mouse_motion { |
2077 | sub mouse_motion { |
2052 | my ($self, $ev, $x, $y) = @_; |
2078 | my ($self, $ev, $x, $y) = @_; |
2053 | |
2079 | |
2054 | if ($GRAB == $self) { |
2080 | if ($GRAB == $self) { |
|
|
2081 | my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w}); |
|
|
2082 | |
|
|
2083 | my (undef, $lo, $hi, $page) = @{$self->{range}}; |
|
|
2084 | |
|
|
2085 | $x = $x / ($w * (1 - 2 * $self->{inner_pad})) - $self->{inner_pad}; |
|
|
2086 | |
|
|
2087 | $self->set_value ($x * ($hi - $lo) + $lo); |
|
|
2088 | } |
|
|
2089 | } |
|
|
2090 | |
|
|
2091 | sub update { |
|
|
2092 | my ($self) = @_; |
|
|
2093 | |
|
|
2094 | $CFClient::UI::ROOT->on_post_alloc ($self => sub { |
|
|
2095 | $self->set_value ($self->{range}[0]); |
|
|
2096 | |
2055 | my ($value, $lo, $hi, $page) = @{$self->{range}}; |
2097 | my ($value, $lo, $hi, $page) = @{$self->{range}}; |
2056 | |
2098 | |
2057 | my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w}); |
2099 | my $inner_w = 1 - 2 * $self->{inner_pad}; |
2058 | |
2100 | |
2059 | my $inner_pad_px = $self->_calc_inner_pad_px ($w); |
2101 | $self->{scale} = ($inner_w / ($hi - $lo)) || 1; |
2060 | my $inner_w = $w - $inner_pad_px * 2; # * 2 for left & right |
|
|
2061 | |
2102 | |
2062 | $x -= $inner_pad_px; # substract the padding |
2103 | $page = $self->{scale} * $page || 10 / ($self->{w} || 1); |
2063 | $x = $x * ($hi - $lo) / $inner_w + $lo; |
2104 | $value = $self->{scale} * ($value - $lo); |
2064 | $x = $lo if $x < $lo; |
|
|
2065 | $x = $hi - $page if $x > $hi - $page; |
|
|
2066 | $self->{range}[0] = $x; |
|
|
2067 | |
2105 | |
2068 | $self->emit (changed => $x); |
2106 | $value = $self->{inner_pad} + ($value - $page * 0.5); |
2069 | $self->update; |
2107 | |
|
|
2108 | $value = 0 if $value < 0; |
|
|
2109 | $page = 1 - $value if $value + $page > 1; |
|
|
2110 | |
|
|
2111 | $self->{knob_x} = $value; |
|
|
2112 | $self->{knob_w} = $page; |
2070 | } |
2113 | }); |
2071 | } |
|
|
2072 | |
2114 | |
2073 | # the inner_* stuff is for generating a padding for the slider handle, |
2115 | $self->SUPER::update; |
2074 | # so that the handle doesn't leave the texture. This calculation isn't 100% |
|
|
2075 | # correct propably, but it does the job for now |
|
|
2076 | sub _calc_inner_pad_px { |
|
|
2077 | my ($self, $w) = @_; |
|
|
2078 | ($w / 100) * $self->{inner_pad} # % to pixels |
|
|
2079 | } |
2116 | } |
2080 | |
2117 | |
2081 | sub _draw { |
2118 | sub _draw { |
2082 | my ($self) = @_; |
2119 | my ($self) = @_; |
2083 | |
2120 | |
2084 | $self->SUPER::_draw (); |
2121 | $self->SUPER::_draw (); |
2085 | |
2122 | |
2086 | my ($w, $h) = @$self{qw(w h)}; |
2123 | glScale $self->{w}, $self->{h}; |
2087 | |
2124 | |
2088 | if ($self->{vertical}) { |
2125 | if ($self->{vertical}) { |
2089 | # draw a vertical slider like a rotated horizontal slider |
2126 | # draw a vertical slider like a rotated horizontal slider |
2090 | |
2127 | |
2091 | glRotate 90, 0, 0, 1; |
2128 | glRotate 90, 0, 0, 1; |
2092 | glTranslate 0, -$self->{w}, 0; |
2129 | glTranslate 0, 1, 0; |
2093 | |
|
|
2094 | ($w, $h) = ($h, $w); |
|
|
2095 | } |
2130 | } |
2096 | |
2131 | |
2097 | my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg}; |
2132 | my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg}; |
2098 | my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg}; |
2133 | my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg}; |
2099 | |
2134 | |
2100 | my ($value, $lo, $hi, $page) = @{$self->{range}}; |
|
|
2101 | |
|
|
2102 | $hi = $value + 1 if $lo == $hi; |
|
|
2103 | |
|
|
2104 | my $inner_pad_px = $self->_calc_inner_pad_px ($w); |
|
|
2105 | my $inner_w = $w - $inner_pad_px * 2; # * 2 for left & right |
|
|
2106 | |
|
|
2107 | $page = int $page * $inner_w / ($hi - $lo); |
|
|
2108 | $value = int +($value - $lo) * $inner_w / ($hi - $lo); |
|
|
2109 | |
|
|
2110 | $w -= $page; |
|
|
2111 | $page &= ~1; |
|
|
2112 | glTranslate $page * 0.5, 0, 0; |
|
|
2113 | $page ||= 2; |
|
|
2114 | |
|
|
2115 | my $knob_a = $inner_pad_px + ($value - $page * 0.5); |
|
|
2116 | my $knob_b = $inner_pad_px + ($value + $page * 0.5); |
|
|
2117 | |
|
|
2118 | glEnable GL_TEXTURE_2D; |
2135 | glEnable GL_TEXTURE_2D; |
2119 | glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE; |
2136 | glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE; |
2120 | |
2137 | |
2121 | # draw background |
2138 | # draw background |
2122 | $tex[1]->draw_quad_alpha (0, 0, $w, $h); |
2139 | $tex[1]->draw_quad_alpha (0, 0, 1, 1); |
2123 | |
2140 | |
2124 | # draw handle |
2141 | # draw handle |
2125 | $tex[0]->draw_quad_alpha ($knob_a, 0, $knob_b - $knob_a, $h); |
2142 | $tex[0]->draw_quad_alpha ($self->{knob_x}, 0, $self->{knob_w}, 1); |
2126 | |
2143 | |
2127 | glDisable GL_TEXTURE_2D; |
2144 | glDisable GL_TEXTURE_2D; |
2128 | } |
2145 | } |
2129 | |
2146 | |
2130 | ############################################################################# |
2147 | ############################################################################# |