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Merge pull request 'fix(widget): scale the agenda widget with its size (#51)' (!88) from fix/agenda-widget-size-scaling into release/v2.16.0

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Reviewed-on: #88
This commit was merged in pull request #88.
This commit is contained in:
Jean-Luc Makiola
2026-07-20 13:11:17 +00:00
parent 997296e21e a34f29bcf8
commit 20e18768eb
6 changed files with 517 additions and 25 deletions
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89
app/src/test/java/de/jeanlucmakiola/calendula/widget/WidgetScaleTest.kt Normal file
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package de.jeanlucmakiola.calendula.widget
import androidx.compose.ui.unit.DpSize
import androidx.compose.ui.unit.dp
import com.google.common.truth.Truth.assertThat
import org.junit.jupiter.api.Test
class WidgetScaleTest {
@Test
fun `the on-device calibration points map to their tiers`() {
// The two sizes measured on-device: the compact widget stays COMPACT (the
// baseline, unchanged), the full-width one steps up to LARGE — not XLARGE,
// which read as too big on a phone (#51).
assertThat(scaleFor(DpSize(222.dp, 270.dp))).isEqualTo(WidgetScale.COMPACT)
assertThat(scaleFor(DpSize(378.dp, 672.dp))).isEqualTo(WidgetScale.LARGE)
}
@Test
fun `a full-width widget at ordinary height still scales up`() {
// The regression the height cap used to cause: widening the widget without
// also making it unusually tall is *the* resize #51 reports, and it must
// reach the tier its width earned. Three cells tall is about 270dp.
assertThat(scaleFor(DpSize(378.dp, 270.dp))).isEqualTo(WidgetScale.LARGE)
assertThat(scaleFor(DpSize(300.dp, 270.dp))).isEqualTo(WidgetScale.REGULAR)
assertThat(scaleFor(DpSize(460.dp, 300.dp))).isEqualTo(WidgetScale.XLARGE)
}
@Test
fun `width buckets into the four tiers`() {
// Tall enough that the height cap never binds, isolating the width rule.
val h = 500.dp
assertThat(scaleFor(DpSize(180.dp, h))).isEqualTo(WidgetScale.COMPACT)
assertThat(scaleFor(DpSize(259.dp, h))).isEqualTo(WidgetScale.COMPACT)
assertThat(scaleFor(DpSize(260.dp, h))).isEqualTo(WidgetScale.REGULAR)
assertThat(scaleFor(DpSize(329.dp, h))).isEqualTo(WidgetScale.REGULAR)
assertThat(scaleFor(DpSize(330.dp, h))).isEqualTo(WidgetScale.LARGE)
assertThat(scaleFor(DpSize(419.dp, h))).isEqualTo(WidgetScale.LARGE)
assertThat(scaleFor(DpSize(420.dp, h))).isEqualTo(WidgetScale.XLARGE)
assertThat(scaleFor(DpSize(900.dp, h))).isEqualTo(WidgetScale.XLARGE)
}
@Test
fun `extra height never raises the tier`() {
// Height decides how many rows are visible, not how big they are: a tall,
// narrow widget wants more events, not bigger text.
assertThat(scaleFor(DpSize(222.dp, 200.dp))).isEqualTo(WidgetScale.COMPACT)
assertThat(scaleFor(DpSize(222.dp, 900.dp))).isEqualTo(WidgetScale.COMPACT)
assertThat(scaleFor(DpSize(300.dp, 900.dp))).isEqualTo(WidgetScale.REGULAR)
}
@Test
fun `only a genuinely squashed widget is stepped back down`() {
// Same (wide) width, shrinking height. The cap exists to stop oversized type
// surviving in a one- or two-row sliver — it must not fire at normal heights.
// Heights are gross; the cap works on height minus 60dp of chrome, so the
// LARGE floor is 190dp (130dp usable) and the REGULAR floor 130dp (70dp).
val wide = 378.dp
assertThat(scaleFor(DpSize(wide, 400.dp))).isEqualTo(WidgetScale.LARGE)
assertThat(scaleFor(DpSize(wide, 260.dp))).isEqualTo(WidgetScale.LARGE)
assertThat(scaleFor(DpSize(wide, 190.dp))).isEqualTo(WidgetScale.LARGE)
assertThat(scaleFor(DpSize(wide, 189.dp))).isEqualTo(WidgetScale.REGULAR)
assertThat(scaleFor(DpSize(wide, 130.dp))).isEqualTo(WidgetScale.REGULAR)
assertThat(scaleFor(DpSize(wide, 129.dp))).isEqualTo(WidgetScale.COMPACT)
// The provider's declared floor (minResizeWidth/Height = 110dp) is COMPACT.
assertThat(scaleFor(DpSize(110.dp, 110.dp))).isEqualTo(WidgetScale.COMPACT)
}
@Test
fun `the tier is monotonic in both axes`() {
// Growing a widget must never make its type smaller. Sweeps the whole
// plausible range rather than spot-checking, so a future threshold edit
// can't accidentally invert a step.
val widths = (110..900 step 7).map { it.dp }
val heights = (110..900 step 7).map { it.dp }
widths.forEach { w ->
heights.zipWithNext { shorter, taller ->
assertThat(scaleFor(DpSize(w, taller)))
.isAtLeast(scaleFor(DpSize(w, shorter)))
}
}
heights.forEach { h ->
widths.zipWithNext { narrower, wider ->
assertThat(scaleFor(DpSize(wider, h)))
.isAtLeast(scaleFor(DpSize(narrower, h)))
}
}
}
}

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app/src/test/java/de/jeanlucmakiola/calendula/widget/agenda/AgendaScaleTest.kt Normal file
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package de.jeanlucmakiola.calendula.widget.agenda
import androidx.compose.ui.unit.DpSize
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.google.common.truth.Truth.assertThat
import de.jeanlucmakiola.calendula.widget.WidgetScale
import de.jeanlucmakiola.calendula.widget.scaleFor
import org.junit.jupiter.api.Test
class AgendaScaleTest {
// --- the "default size is unchanged" regression guard ---------------------
@Test
fun `every default placement width stays COMPACT`() {
// Ties the guarantee to the provider XML's declared 3-cell default rather
// than to one measured launcher: the whole band a default placement can
// land in must bucket to COMPACT, or a freshly placed widget silently
// changes appearance (#51). See AGENDA_DEFAULT_WIDTH_BAND.
val band = AGENDA_DEFAULT_WIDTH_BAND
var w = band.start
while (w <= band.endInclusive) {
assertThat(scaleFor(DpSize(w, 270.dp))).isEqualTo(WidgetScale.COMPACT)
w += 1.dp
}
}
@Test
fun `COMPACT metrics equal the widget's original constants`() {
// If this fails, a default-sized agenda widget no longer looks as it did.
val m = metricsFor(WidgetScale.COMPACT)
assertThat(m.title).isEqualTo(16.sp)
assertThat(m.dayHeader).isEqualTo(13.sp)
assertThat(m.eventTitle).isEqualTo(14.sp)
assertThat(m.eventTime).isEqualTo(12.sp)
assertThat(m.placeholder).isEqualTo(14.sp)
assertThat(m.message).isEqualTo(14.sp)
assertThat(m.stripeH).isEqualTo(36.dp)
assertThat(m.iconImage).isEqualTo(22.dp)
assertThat(m.iconBox).isEqualTo(40.dp)
assertThat(m.rowVPad).isEqualTo(4.dp)
assertThat(m.dayHeaderTopPad).isEqualTo(10.dp)
}
@Test
fun `the derived text indent matches the original hardcoded inset`() {
// TEXT_INDENT replaced a hardcoded 19dp; it must still resolve to 19dp or
// day headers and the placeholder line stop aligning with event titles.
assertThat(TEXT_INDENT).isEqualTo(19.dp)
assertThat(TEXT_INDENT).isEqualTo(ROW_H_PAD + STRIPE_WIDTH + STRIPE_GAP)
}
// --- the ramp ------------------------------------------------------------
@Test
fun `sizes are non-decreasing across the tiers`() {
val tiers = WidgetScale.entries.map(::metricsFor)
tiers.zipWithNext { small, big ->
assertThat(big.title.value).isAtLeast(small.title.value)
assertThat(big.dayHeader.value).isAtLeast(small.dayHeader.value)
assertThat(big.eventTitle.value).isAtLeast(small.eventTitle.value)
assertThat(big.eventTime.value).isAtLeast(small.eventTime.value)
assertThat(big.placeholder.value).isAtLeast(small.placeholder.value)
assertThat(big.message.value).isAtLeast(small.message.value)
assertThat(big.stripeH.value).isAtLeast(small.stripeH.value)
assertThat(big.iconImage.value).isAtLeast(small.iconImage.value)
assertThat(big.iconBox.value).isAtLeast(small.iconBox.value)
assertThat(big.rowVPad.value).isAtLeast(small.rowVPad.value)
assertThat(big.dayHeaderTopPad.value).isAtLeast(small.dayHeaderTopPad.value)
}
}
@Test
fun `the event title keeps its lead over the time line`() {
// The secondary line steps more slowly on purpose; if it ever caught up the
// row would lose its hierarchy.
WidgetScale.entries.map(::metricsFor).forEach { m ->
assertThat(m.eventTitle.value).isGreaterThan(m.eventTime.value)
}
}
@Test
fun `no tier grows type more than half again over the baseline`() {
// Guards against a future edit turning "more readable" into "absurd".
val base = metricsFor(WidgetScale.COMPACT)
val top = metricsFor(WidgetScale.XLARGE)
assertThat(top.title.value / base.title.value).isLessThan(1.5f)
assertThat(top.eventTitle.value / base.eventTitle.value).isLessThan(1.5f)
}
// --- font scale ----------------------------------------------------------
@Test
fun `the stripe tracks the system font scale`() {
// The stripe is Dp, the text beside it is sp: without this the two diverge
// at large accessibility font settings and the stripe under-runs the row.
val m = metricsFor(WidgetScale.COMPACT)
assertThat(m.scaledForFont(1f).stripeH).isEqualTo(36.dp)
assertThat(m.scaledForFont(1.3f).stripeH.value).isWithin(0.01f).of(46.8f)
assertThat(m.scaledForFont(0.85f).stripeH.value).isWithin(0.01f).of(30.6f)
}
@Test
fun `scaling for the default font scale changes nothing`() {
val m = metricsFor(WidgetScale.LARGE)
assertThat(m.scaledForFont(1f)).isSameInstanceAs(m)
}
@Test
fun `font scaling leaves the sp sizes alone`() {
// Glance already applies the font scale to sp; scaling them here too would
// double-count it.
val m = metricsFor(WidgetScale.REGULAR)
val scaled = m.scaledForFont(1.3f)
assertThat(scaled.title).isEqualTo(m.title)
assertThat(scaled.eventTitle).isEqualTo(m.eventTitle)
assertThat(scaled.rowVPad).isEqualTo(m.rowVPad)
}
}