AaronFiore/electrum
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qml: fee histogram colours: extend colour palette to cover sub-1 s/b

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Currently on master the qml fee histogram colours are calculated for feerates clamped to [1, 600] sat/vbyte. I want to extend it to now cover [0, 600] sat/vbyte.
I would like to extend it in a way that does not change the existing colour meanings/mapping, so not just e.g. doing an offset.

follow-up bd6dfc53a2
This commit is contained in:
SomberNight
2025-11-15 01:46:31 +00:00
parent 81c83f8318
commit e6071bbf5d
1 changed files with 17 additions and 1 deletions
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18
electrum/gui/qml/components/NetworkOverview.qml
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@@ -13,6 +13,22 @@ Pane {
property string title: qsTr("Network")
function _getFeerateColor(sat_per_vbyte) {
// To display a nice quickly graspable view of the mempool fee histogram, we map
// feerates to fixed colors. E.g. when the histogram is full of red, the user can
// instantly see fees are high.
// In the 1-600 s/b range, play with hue:
var hsv_hue = (2/3-(2/3*(
Math.log(
Math.min(600, Math.max(sat_per_vbyte, 1))
)
/Math.log(600))
))
// In the 0-1 s/b range, play with value:
var hsv_value = Math.min(sat_per_vbyte, 1)
return Qt.hsva(hsv_hue, 0.8, hsv_value, 1)
}
ColumnLayout {
anchors.fill: parent
spacing: 0
@@ -118,7 +134,7 @@ Pane {
Layout.preferredWidth: 300 * (modelData[1] / Network.feeHistogram.total)
Layout.fillWidth: true
height: parent.height
color: Qt.hsva(2/3-(2/3*(Math.log(Math.min(600, Math.max(modelData[0], 1)))/Math.log(600))), 0.8, 1, 1)
color: _getFeerateColor(modelData[0])
ToolTip.text: (qsTr("%1 around depth %2")
.arg(modelData[0] + " " + UI_UNIT_NAME.FEERATE_SAT_PER_VB)
.arg((modelData[2]/1000000).toFixed(2) + " " + UI_UNIT_NAME.MEMPOOL_MB)