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Use DesaturateEffect
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@ -545,7 +545,7 @@ namespace Gala
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get_parent ().remove_child (this);
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unowned WorkspaceInsertThumb inserter = (WorkspaceInsertThumb) destination;
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workspace.get_screen ().reorder_workspace (workspace, inserter.workspace_index);
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// workspace.get_screen ().reorder_workspace (workspace, inserter.workspace_index);
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restore_group ();
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} else {
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@ -72,7 +72,7 @@ namespace Gala
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Clutter.Actor? tile_preview;
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Clutter.ShaderEffect? greyscale_effect;
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Clutter.DesaturateEffect? greyscale_effect;
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Window? moving; //place for the window that is being moved over
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@ -327,50 +327,37 @@ namespace Gala
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return false;
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}
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float greyscale_opacity = 0.0f;
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uint fade_in_id = 0U;
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uint fade_out_id = 0U;
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void toggle_greyscale ()
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{
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if (greyscale_effect == null) {
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greyscale_effect = new Clutter.ShaderEffect (Clutter.ShaderType.FRAGMENT_SHADER);
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greyscale_effect = new Clutter.DesaturateEffect (0.0f);
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greyscale_effect.set_name ("greyscale");
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greyscale_effect.set_shader_source ("""
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uniform sampler2D texture;
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uniform float opacity;
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void main () {
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vec4 color = texture2D (texture, cogl_tex_coord0_in.xy);
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float gray = dot(color.rgb, vec3(0.299, 0.587, 0.114));
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cogl_color_out = mix (color, vec4(vec3(gray), 1.0), opacity);
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}
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""");
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greyscale_effect.set_uniform_value ("texture", 0);
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greyscale_effect.set_uniform_value ("opacity", 0.0f);
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}
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const uint FADE_TIMEOUT = 300 / 100;
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if (AppearanceSettings.get_default ().greyscale) {
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bool animates_out = fade_out_id > 0U;
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if (ui_group.get_effect ("greyscale") == null || animates_out) {
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if (ui_group.get_effect ("greyscale") == null) {
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ui_group.add_effect (greyscale_effect);
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if (animates_out) {
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Source.remove (fade_out_id);
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}
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if (animates_out) {
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Source.remove (fade_out_id);
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}
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fade_in_id = Timeout.add (FADE_TIMEOUT, () => {
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bool stop = greyscale_effect.factor >= 1.0f;
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if (stop) {
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fade_in_id = 0U;
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} else {
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greyscale_effect.factor = double.min (greyscale_effect.factor + 0.01, 1.0);
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}
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fade_in_id = Timeout.add (FADE_TIMEOUT, () => {
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greyscale_effect.set_uniform_value ("opacity", greyscale_opacity);
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greyscale_opacity += 0.01f;
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bool stop = greyscale_opacity > 1.0f;
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if (stop) {
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fade_in_id = 0U;
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}
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return !stop;
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});
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}
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print (greyscale_effect.factor.to_string () + "\n");
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return !stop;
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});
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} else {
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if (ui_group.get_effect ("greyscale") != null) {
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if (fade_in_id > 0U) {
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@ -378,15 +365,15 @@ namespace Gala
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}
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fade_out_id = Timeout.add (FADE_TIMEOUT, () => {
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greyscale_opacity -= 0.01f;
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greyscale_effect.set_uniform_value ("opacity", greyscale_opacity);
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bool stop = greyscale_opacity <= 0.0f;
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bool stop = greyscale_effect.factor <= 0.0f;
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if (stop) {
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ui_group.remove_effect (greyscale_effect);
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fade_out_id = 0U;
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} else {
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greyscale_effect.factor = double.max (greyscale_effect.factor - 0.01, 0);
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}
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print (greyscale_effect.factor.to_string () + "\n");
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return !stop;
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});
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}
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