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1 // Drawing mixins
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2
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3 // generic drawing of more complex things
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4
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5 @function _widget_edge($c:$borders_edge) {
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6 // outer highlight "used" on most widgets
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7 @return 0 1px $c;
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8 }
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9
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10 @mixin _shadows($shadow1, $shadow2:none, $shadow3:none, $shadow4:none) {
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11 //
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12 // Helper function to stack up to 4 box-shadows;
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13 //
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14 @if $shadow4!=none { box-shadow: $shadow1, $shadow2, $shadow3, $shadow4; }
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15 @else if $shadow3!=none { box-shadow: $shadow1, $shadow2, $shadow3; }
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16 @else if $shadow2!=none { box-shadow: $shadow1, $shadow2; }
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17 @else { box-shadow: $shadow1; }
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18 }
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19
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20 // entries
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21
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22 @function entry_focus_border($fc) {
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23 @if $variant == 'light' { @return $fc; }
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24 @else { @return if($fc==$selected_bg_color, $selected_borders_color, darken($fc,35%)); }
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25 }
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26
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27 @function entry_focus_glow($fc) {
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28 $_focus_glow_color: if($variant=='light', transparentize($fc,0.85),
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29 transparentize($fc,0.3));
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30 @return inset 0 0 0 1px $_focus_glow_color;
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31 }
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32
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33 @function entry_gradient($c) {
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34 @return linear-gradient(to bottom, darken($c,3%), $c 90%);
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35 }
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36
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37 @mixin entry($t, $fc:$selected_bg_color, $edge: $borders_edge) {
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38 //
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39 // Entries drawing function
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40 //
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41 // $t: entry type
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42 // $fc: focus color
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43 // $edge: set to none to not draw the bottom edge or specify a color to not
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44 // use the default one
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45 //
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46 // possible $t values:
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47 // normal, focus, insensitive, backdrop, backdrop-insensitive, osd, osd-focus, osd-backdrop;
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48 //
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49 background-color: transparent;
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50 background-image: entry_gradient($base_color);
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51 $_blank_edge: if($edge == none, none, 0 1px transparentize($edge,1));
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52 $_entry_edge: if($edge == none, none, _widget_edge($edge));
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53 $_inner_shadows: inset 0 3px transparentize(black, 0.98),
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54 inset 0 2px transparentize(black, 0.97),
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55 inset 0 1px transparentize(black, 0.92);
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56
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57 // we need to match the same shadow types (inset/outset) in various states
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58 // hence transparent shadows istead of resetting them when not needed
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59 $_blank_inner_shadows: inset 0 3px transparentize(black, 1),
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60 inset 0 2px transparentize(black, 1),
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61 inset 0 1px transparentize(black, 1);
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62 @if $t==normal {
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63 color: $text_color;
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64 border-color: $borders_color;
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65 @include _shadows($_inner_shadows,
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66 entry_focus_glow(transparentize($fc,1)),
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67 $_entry_edge);
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68 // the second transparent shadow is needed for the transition to work
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69 }
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70 @if $t==focus {
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71 @include _shadows($_inner_shadows,
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72 entry_focus_glow($fc),
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73 $_entry_edge);
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74 border-color: entry_focus_border($fc);
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75 }
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76 @if $t==insensitive {
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77 color: $insensitive_fg_color;
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78 border-color: $borders_color;
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79 background-image: linear-gradient(to bottom, $insensitive_bg_color);
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80 @include _shadows($_blank_inner_shadows, $_entry_edge);
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81
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82 }
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83 @if $t==backdrop {
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84 color: $backdrop_text_color;
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85 border-color: $backdrop_borders_color;
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86 background-image: linear-gradient(to bottom, $backdrop_base_color);
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87 @include _shadows($_blank_inner_shadows, $_blank_edge);
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88 }
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89 @if $t==backdrop-insensitive {
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90 color: $backdrop_insensitive_color;
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91 border-color: $backdrop_borders_color;
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92 background-image: linear-gradient(to bottom, $insensitive_bg_color);
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93 @include _shadows($_blank_inner_shadows, $_blank_edge);
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94 }
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95 @if $t==osd {
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96 color: $osd_text_color;
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97 border-color: $osd_borders_color;
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98 background-image: linear-gradient(to bottom, transparentize(opacify($osd_borders_color, 1), 0.5));
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99 background-clip: padding-box;
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100 box-shadow: none;
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101 text-shadow: 0 1px black;
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102 icon-shadow: 0 1px black;
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103 }
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104 @if $t==osd-focus {
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105 color: $osd_text_color;
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106 border-color: $selected_bg_color;
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107 background-image: linear-gradient(to bottom, transparentize(opacify($osd_borders_color, 1), 0.5));
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108 background-clip: padding-box;
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109 box-shadow: entry_focus_glow($selected_bg_color);
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110 text-shadow: 0 1px black;
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111 icon-shadow: 0 1px black;
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112 }
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113 @if $t==osd-insensitive {
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114 color: $osd_insensitive_fg_color;
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115 border-color: $osd_borders_color;
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116 background-image: linear-gradient(to bottom, $osd_insensitive_bg_color);
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117 background-clip: padding-box;
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118 box-shadow: none;
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119 text-shadow: none;
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120 icon-shadow: none;
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121 }
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122 @if $t==osd-backdrop {
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123 color: $osd_text_color;
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124 border-color: $osd_borders_color;
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125 background-image: linear-gradient(to bottom, transparentize(opacify($osd_borders_color, 1), 0.5));
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126 background-clip: padding-box;
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127 box-shadow: none;
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128 text-shadow: none;
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129 icon-shadow: none;
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130 }
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131 }
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132
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133 // buttons
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134
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135 @function _border_color ($c) { @return darken($c,25%); } // colored buttons want
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136 // the border form the
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137 // base color
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138
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139 @function _text_shadow_color ($tc:$fg_color, $bg:$bg_color) {
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140 //
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141 // calculate the color of text shadows
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142 //
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143 // $tc is the text color
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144 // $bg is the background color
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145 //
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146 $_lbg: lightness($bg)/100%;
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147 @if lightness($tc)<50% { @return transparentize(white,1-$_lbg/($_lbg*1.3)); }
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148 @else { @return transparentize(black,$_lbg*0.8); }
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149 }
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150
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151 @function _button_hilight_color($c) {
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152 //
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153 // calculate the right top hilight color for buttons
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154 //
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155 // $c: base color;
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156 //
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157 @if lightness($c)>90% { @return white; }
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158 @else if lightness($c)>80% { @return transparentize(white, 0.3); }
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159 @else if lightness($c)>50% { @return transparentize(white, 0.5); }
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160 @else if lightness($c)>40% { @return transparentize(white, 0.7); }
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161 @else { @return transparentize(white, 0.9); }
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162 }
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163
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164 @mixin _button_text_shadow ($tc:$fg_color, $bg:$bg_color) {
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165 //
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166 // helper function for the text emboss effect
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167 //
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168 // $tc is the optional text color, not the shadow color
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169 //
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170 // TODO: this functions needs a way to deal with special cases
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171 //
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172
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173 $_shadow: _text_shadow_color($tc, $bg);
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174
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175 @if lightness($tc)<50% {
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176 text-shadow: 0 1px $_shadow;
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177 icon-shadow: 0 1px $_shadow;
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178 }
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179 @else {
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180 text-shadow: 0 -1px $_shadow;
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181 icon-shadow: 0 -1px $_shadow;
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182 }
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183 }
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184
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185 @mixin button($t, $c:$bg_color, $tc:$fg_color, $edge: $borders_edge) {
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186 //
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187 // Button drawing function
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188 //
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189 // $t: button type,
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190 // $c: base button color for colored* types
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191 // $tc: optional text color for colored* types
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192 // $edge: set to none to not draw the bottom edge or specify a color to not
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193 // use the default one
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194 //
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195 // possible $t values:
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196 // normal, hover, active, insensitive, insensitive-active,
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197 // backdrop, backdrop-active, backdrop-insensitive, backdrop-insensitive-active,
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198 // osd, osd-hover, osd-active, osd-insensitive, osd-backdrop, undecorated
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199 //
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200
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201 $_hilight_color: _button_hilight_color($c);
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202 $_button_edge: if($edge == none, none, _widget_edge($edge));
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203 $_blank_edge: if($edge == none, none, _widget_edge(transparentize($edge,1)));
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204
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205 @if $t==normal {
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206 //
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207 // normal button
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208 //
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209 color: $tc;
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210 outline-color: transparentize($tc, 0.7);
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211 border-color: if($c!=$bg_color, _border_color($c), $borders_color);
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212 background-image: linear-gradient(to bottom,
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213 lighten($c,5%),
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214 $c 40%,
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215 darken($c,5%)
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216 );
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217 @include _button_text_shadow($tc,$c);
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218 @include _shadows(inset 0 1px $_hilight_color, $_button_edge);
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219 }
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220
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221 @else if $t==hover {
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222 //
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223 // hovered button
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224 //
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225 color: $tc;
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226 outline-color: transparentize($tc, 0.7);
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227 border-color: if($c!=$bg_color, _border_color($c), $borders_color);
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228 background-image: linear-gradient(to bottom,
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229 lighten($c,14%),
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230 lighten($c,4%) 40%,
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231 $c);
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232
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233 @include _button_text_shadow($tc,lighten($c,4%));
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234 @include _shadows(inset 0 1px $_hilight_color, $_button_edge);
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235 }
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236
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237 @else if $t==active {
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238 //
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239 // pushed button
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240 //
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241 color: $tc;
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242 outline-color: transparentize($tc, 0.7);
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243 border-color: if($c!=$bg_color, _border_color($c), $borders_color);
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244 background-image: linear-gradient(to bottom,
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245 darken($c,9%),
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246 darken($c,6.6%) 40%,
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247 darken($c,5%));
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248 @include _button_text_shadow($tc,darken($c,10%));
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249 @include _shadows(inset 0 1px transparentize(black, 0.93),
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250 inset 0 2px 1px -2px transparentize(black,0.4),
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251 $_button_edge);
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252 }
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253 @else if $t==insensitive {
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254 //
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255 // insensitive button
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256 //
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257 $_bg: if($c!=$bg_color, mix($c,$base_color,85%), $insensitive_bg_color);
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258
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259 color: if($tc!=$fg_color, mix($tc,$_bg,50%), $insensitive_fg_color);
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260 border-color: if($c!=$bg_color, _border_color($c),
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261 $insensitive_borders_color);
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262 background-image: linear-gradient(to bottom, $_bg);
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263 text-shadow: none;
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264 icon-shadow: none;
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265 // white with 0 alpha to avoid an ugly transition, since no color means
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266 // black with 0 alpha
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267 @include _shadows(inset 0 1px transparentize(white,1), $_button_edge);
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268 > .label { color: inherit; }
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269 }
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270 @else if $t==insensitive-active {
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271 //
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272 // insensitive pushed button
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273 //
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274 $_bg: if($c!=$bg_color, darken(mix($c,$base_color,85%),5%),
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275 $insensitive_bg_color);
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276 $_bc: if($c!=$bg_color, _border_color($c), $insensitive_borders_color);
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277
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278 color: if($c!=$bg_color, mix($tc,$_bg,60%), $insensitive_fg_color);
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279 border-color: $_bc;
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280 background-image: linear-gradient(to bottom, mix($_bc, $_bg, 10%), $_bg);
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281 // white with 0 alpha to avoid an ugly transition, since no color means
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282 // black with 0 alpha
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283 @include _shadows(inset 0 1px transparentize(white,1), $_button_edge);
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284 > .label { color: inherit; }
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285 }
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286
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287 @else if $t==backdrop {
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288 //
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289 // backdrop button
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290 //
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291 $_bg: if($c!=$bg_color,$c,$backdrop_bg_color);
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292 $_bc: if($variant=='light',$c,_border_color($c));
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293
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294 color: if($tc!=$fg_color,mix($tc, $_bg, 80%), $backdrop_fg_color);
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295 border-color: if($c!=$bg_color, $_bc, $backdrop_borders_color);
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296 background-image: linear-gradient(to bottom, $_bg);
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297 text-shadow: none;
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298 icon-shadow: none;
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299 @include _shadows(inset 0 1px transparentize(white,1),
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300 $_blank_edge);
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301 }
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302
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303 @else if $t==backdrop-active {
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304 //
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305 // backdrop pushed button FIXME no colors here!
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306 //
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307 $_bg: if($c!=$bg_color, darken($c,10%), $backdrop_dark_fill);
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308 $_bc: if($variant=='light',$_bg,_border_color($c));
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309
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310 color: if($tc!=$fg_color, mix($tc,$_bg,80%), $backdrop_fg_color);
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311 border-color: if($c!=$bg_color, $_bc, $backdrop_borders_color);
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312 background-image: linear-gradient(to bottom, $_bg);
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313 @include _shadows(inset 0 1px transparentize(white,1),
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314 $_blank_edge);
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315 }
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316
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317 @else if $t==backdrop-insensitive {
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318 //
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319 // backdrop insensitive button
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320 //
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321
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322 $_bg: if($c!=$bg_color, mix($c,$base_color,85%), $insensitive_bg_color);
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323 $_bc: if($variant=='light',$_bg,_border_color($c));
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324
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325 color: if($c!=$bg_color, mix($tc,$_bg,35%), $backdrop_insensitive_color);
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326 border-color: if($c!=$bg_color, $_bc, $backdrop_borders_color);
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327 background-image: linear-gradient(to bottom, $_bg);
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328 text-shadow: none;
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329 icon-shadow: none;
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330 // white with 0 alpha to avoid an ugly transition, since no color means
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331 // black with 0 alpha
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332 @include _shadows(inset 0 1px transparentize(white,1),
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333 $_blank_edge);
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334 > .label { color: inherit; }
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335 }
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336
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337 @else if $t==backdrop-insensitive-active {
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338 //
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339 // backdrop insensitive pushed button
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340 //
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341
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342 $_bg: if($c!=$bg_color, darken(mix($c,$base_color,85%),5%),
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343 darken($insensitive_bg_color,5%));
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344 $_bc: if($variant=='light',$_bg,_border_color($c));
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345
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346 color: if($c!=$bg_color, mix($tc,$_bg,35%), $backdrop_insensitive_color);
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347 border-color: if($c!=$bg_color, $_bc, $backdrop_borders_color);
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348 background-image: linear-gradient(to bottom, $_bg);
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349 @include _shadows(inset 0 1px transparentize(white,1),
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350 $_blank_edge);
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351 > .label { color: inherit; }
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352 }
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353
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354 @else if $t==osd {
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355 //
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356 // normal osd button
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357 //
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358 $_bg: if($c!=$bg_color, transparentize($c, 0.5),
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359 $osd_bg_color);
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360
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361 color: $osd_fg_color;
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362 border-color: $osd_borders_color;
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363 background-image: linear-gradient(to bottom, $_bg);
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364 background-clip: padding-box;
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365 box-shadow: inset 0 1px transparentize(white, 0.9);
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366 text-shadow: 0 1px black;
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367 icon-shadow: 0 1px black;
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368 outline-color: transparentize($osd_fg_color, 0.7);
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369 }
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370 @else if $t==osd-hover {
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371 //
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372 // active osd button
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373 //
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374 $_bg: if($c!=$bg_color, transparentize($c, 0.3),
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375 lighten($osd_bg_color, 12%));
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376
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377 color: white;
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378 border-color: $osd_borders_color;
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379 background-image: linear-gradient(to bottom, $_bg);
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380 background-clip: padding-box;
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381 box-shadow: inset 0 1px transparentize(white, 0.9);
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382 text-shadow: 0 1px black;
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383 icon-shadow: 0 1px black;
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384 outline-color: transparentize($osd_fg_color, 0.7);
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385 }
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386 @else if $t==osd-active {
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387 //
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388 // active osd button
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389 //
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390 $_bg: if($c!=$bg_color, $c, $osd_borders_color);
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391
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392 color: white;
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393 border-color: $osd_borders_color;
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394 background-image: linear-gradient(to bottom, $_bg);
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395 background-clip: padding-box;
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396 box-shadow: none;
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397 text-shadow: none;
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398 icon-shadow: none;
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399 outline-color: transparentize($osd_fg_color, 0.7);
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400 }
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401 @else if $t==osd-insensitive {
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402 //
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403 // insensitive osd button
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404 //
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405 color: $osd_insensitive_fg_color;
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406 border-color: $osd_borders_color;
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407 background-image: linear-gradient(to bottom, $osd_insensitive_bg_color);
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408 background-clip: padding-box;
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409 box-shadow: none;
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410 text-shadow: none;
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411 icon-shadow: none;
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412 }
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413 @else if $t==osd-backdrop {
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414 //
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415 // backdrop osd button
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416 //
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417 $_bg: if($c!=$bg_color, transparentize($c, 0.5),
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418 $osd_bg_color);
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419
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420 color: $osd_fg_color;
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421 border-color: $osd_borders_color;
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422 background-image: linear-gradient(to bottom, $_bg);
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423 background-clip: padding-box;
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424 box-shadow: none;
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425 text-shadow: none;
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426 icon-shadow: none;
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427 }
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428 @else if $t==undecorated {
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429 //
|
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430 // reset
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431 //
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432 border-color: transparent;
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433 background-color: transparent;
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434 background-image: none;
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435
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436 @include _shadows(inset 0 1px transparentize(white, 1),
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437 $_blank_edge);
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438
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439 text-shadow: none;
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440 icon-shadow: none;
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441 }
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442 }
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443
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444 @mixin trough($flat:false, $c:$bg_color, $tc:$fg_color, $noedge:false) {
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445 color: mix($tc,$bg_color,80%);
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446 @if $flat { background-image: linear-gradient(to bottom,$c); }
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447 @else {
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448 background-image: linear-gradient(to bottom,
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449 mix(black,$c,15%) 5%,
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450 mix(black,$c,10%) 20%,
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451 mix(black,$c,10%) 90%,
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452 $c);
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453 }
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454
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455 border-color: if($c!=$bg_color, _border_color($c), $border_color);
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456
|
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457 @if not($noedge) {
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458 @if lightness($c) > 60% {
|
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459 box-shadow: inset 0 -1px $borders_edge,
|
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460 0 1px $borders_edge;
|
|
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461 }
|
|
|
462 @else {
|
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463 box-shadow: inset 0 -1px transparentize($borders_edge,0.5),
|
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464 0 1px transparentize($borders_edge,0.5);
|
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465 }
|
|
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466 }
|
|
|
467 @else { box-shadow: none; }
|
|
|
468 }
|
|
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469
|
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470 @mixin progressbar_fill($d:horizontal) {
|
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471 $dir: if($d==vertical,right,bottom);
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|
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472 background-image: linear-gradient(to $dir, $selected_bg_color 2px,
|
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473 lighten($selected_bg_color,6%));
|
|
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474 }
|
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475
|
|
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476 @function headerbar_gradient($c, $tc:lighten($c,4%)) {
|
|
|
477 //
|
|
|
478 // headerbar gradient helper function
|
|
|
479 //
|
|
|
480 // $c: base color
|
|
|
481 // $tc: top color
|
|
|
482 //
|
|
|
483 @return linear-gradient(to bottom, $tc, $c);
|
|
|
484 }
|
|
|
485
|
|
|
486 @mixin headerbar_fill($c:$bg_color, $tc:lighten($c,4%), $hc:$top_hilight) {
|
|
|
487 //
|
|
|
488 // headerbar fill
|
|
|
489 //
|
|
|
490 // $c: base color
|
|
|
491 // $tc: top color
|
|
|
492 // $hc: top highlight color
|
|
|
493 //
|
|
|
494 $_bottom_shade_color: if($variant == 'light', mix(_border_color($c), $c, 30%),
|
|
|
495 mix(_border_color($c), $c, 20%));
|
|
|
496
|
|
|
497 background-image: headerbar_gradient($c, $tc);
|
|
|
498 box-shadow: inset 0 -1px $_bottom_shade_color, // bottom shade
|
|
|
499 inset 0 1px $hc; // top highlight
|
|
|
500
|
|
|
501 }
|
|
|
502
|
|
|
503 @mixin overshoot($p, $t:normal, $c:$fg_color) {
|
|
|
504 //
|
|
|
505 // overshoot
|
|
|
506 //
|
|
|
507 // $p: position
|
|
|
508 // $t: type
|
|
|
509 // $c: base color
|
|
|
510 //
|
|
|
511 // possible $p values:
|
|
|
512 // top, bottom, right, left
|
|
|
513 //
|
|
|
514 // possible $t values:
|
|
|
515 // normal, backdrop
|
|
|
516 //
|
|
|
517
|
|
|
518 $_small_gradient_length: 5%;
|
|
|
519 $_big_gradient_length: 100%;
|
|
|
520
|
|
|
521 $_position: center top;
|
|
|
522 $_small_gradient_size: 100% $_small_gradient_length;
|
|
|
523 $_big_gradient_size: 100% $_big_gradient_length;
|
|
|
524
|
|
|
525 @if $p==bottom {
|
|
|
526 $_position: center bottom;
|
|
|
527 $_linear_gradient_direction: to top;
|
|
|
528 }
|
|
|
529
|
|
|
530 @else if $p==right {
|
|
|
531 $_position: right center;
|
|
|
532 $_small_gradient_size: $_small_gradient_length 100%;
|
|
|
533 $_big_gradient_size: $_big_gradient_length 100%;
|
|
|
534 }
|
|
|
535
|
|
|
536 @else if $p==left {
|
|
|
537 $_position: left center;
|
|
|
538 $_small_gradient_size: $_small_gradient_length 100%;
|
|
|
539 $_big_gradient_size: $_big_gradient_length 100%;
|
|
|
540 }
|
|
|
541
|
|
|
542 $_small_gradient_color: $c;
|
|
|
543 $_big_gradient_color: $c;
|
|
|
544
|
|
|
545 @if $c==$fg_color {
|
|
|
546 $_small_gradient_color: darken($borders_color, 10%);
|
|
|
547 $_big_gradient_color: $fg_color;
|
|
|
548
|
|
|
549 @if $t==backdrop { $_small_gradient_color: $backdrop_borders_color; }
|
|
|
550 }
|
|
|
551
|
|
|
552 $_small_gradient: -gtk-gradient(radial,
|
|
|
553 $_position, 0,
|
|
|
554 $_position, 0.5,
|
|
|
555 to($_small_gradient_color),
|
|
|
556 to(transparentize($_small_gradient_color, 1)));
|
|
|
557
|
|
|
558 $_big_gradient: -gtk-gradient(radial,
|
|
|
559 $_position, 0,
|
|
|
560 $_position, 0.6,
|
|
|
561 from(transparentize($_big_gradient_color, 0.93)),
|
|
|
562 to(transparentize($_big_gradient_color, 1)));
|
|
|
563
|
|
|
564 @if $t==normal {
|
|
|
565 background-image: $_small_gradient, $_big_gradient;
|
|
|
566 background-size: $_small_gradient_size, $_big_gradient_size;
|
|
|
567 }
|
|
|
568
|
|
|
569 @else if $t==backdrop {
|
|
|
570 background-image: $_small_gradient;
|
|
|
571 background-size: $_small_gradient_size;
|
|
|
572 }
|
|
|
573
|
|
|
574 background-repeat: no-repeat;
|
|
|
575 background-position: $_position;
|
|
|
576
|
|
|
577 background-color: transparent; // reset some properties to be sure to not inherit them somehow
|
|
|
578 border: none; //
|
|
|
579 box-shadow: none; //
|
|
|
580 }
|
|
|
581
|
|
|
582 @mixin undershoot($p) {
|
|
|
583 //
|
|
|
584 // undershoot
|
|
|
585 //
|
|
|
586 // $p: position
|
|
|
587 //
|
|
|
588 // possible $p values:
|
|
|
589 // top, bottom, right, left
|
|
|
590 //
|
|
|
591
|
|
|
592 $_undershoot_color_dark: transparentize(black, 0.8);
|
|
|
593 $_undershoot_color_light: transparentize(white, 0.8);
|
|
|
594
|
|
|
595 $_gradient_dir: left;
|
|
|
596 $_dash_bg_size: 10px 1px;
|
|
|
597 $_gradient_repeat: repeat-x;
|
|
|
598 $_bg_pos: center $p;
|
|
|
599
|
|
|
600 background-color: transparent; // shouldn't be needed, but better to be sure;
|
|
|
601
|
|
|
602 @if ($p == left) or ($p == right) {
|
|
|
603 $_gradient_dir: top;
|
|
|
604 $_dash_bg_size: 1px 10px;
|
|
|
605 $_gradient_repeat: repeat-y;
|
|
|
606 $_bg_pos: $p center;
|
|
|
607 }
|
|
|
608
|
|
|
609 background-image: linear-gradient(to $_gradient_dir, // this is the dashed line
|
|
|
610 $_undershoot_color_light 50%,
|
|
|
611 $_undershoot_color_dark 50%);
|
|
|
612
|
|
|
613 padding-#{$p}: 1px;
|
|
|
614 background-size: $_dash_bg_size;
|
|
|
615 background-repeat: $_gradient_repeat;
|
|
|
616 background-origin: content-box;
|
|
|
617 background-position: $_bg_pos;
|
|
|
618 }
|
