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input: handle tablet active area scaling when axes swap due to rotation (#11661)

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Some tablet rotation modes (90°, 270°, and flipped variants) swap the X and Y axes.
This change adjusts the effective physical size based on axis orientation
to ensure tablet active area coordinates are normalized correctly.
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Stanislav Senotrusov 2025-09-13 01:11:30 +02:00 • committed by GitHub
parent 797bfe905e
commit adbf7c8663
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1 changed files with 7 additions and 2 deletions
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9
src/managers/input/InputManager.cpp
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@ -1787,8 +1787,13 @@ void CInputManager::setTabletConfigs() {
const auto ACTIVE_AREA_SIZE = g_pConfigManager->getDeviceVec(NAME, "active_area_size", "input:tablet:active_area_size");
const auto ACTIVE_AREA_POS = g_pConfigManager->getDeviceVec(NAME, "active_area_position", "input:tablet:active_area_position");
if (ACTIVE_AREA_SIZE.x != 0 || ACTIVE_AREA_SIZE.y != 0) {
t->m_activeArea = CBox{ACTIVE_AREA_POS.x / t->aq()->physicalSize.x, ACTIVE_AREA_POS.y / t->aq()->physicalSize.y,
(ACTIVE_AREA_POS.x + ACTIVE_AREA_SIZE.x) / t->aq()->physicalSize.x, (ACTIVE_AREA_POS.y + ACTIVE_AREA_SIZE.y) / t->aq()->physicalSize.y};
// Rotations with an odd index (90 and 270 degrees, and their flipped variants) swap the X and Y axes.
// Use swapped dimensions when the axes are rotated, otherwise keep the original ones.
const Vector2D effectivePhysicalSize = (ROTATION % 2) ? Vector2D{t->aq()->physicalSize.y, t->aq()->physicalSize.x} : t->aq()->physicalSize;
// Scale the active area coordinates into normalized space (0–1) using the effective dimensions.
t->m_activeArea = CBox{ACTIVE_AREA_POS.x / effectivePhysicalSize.x, ACTIVE_AREA_POS.y / effectivePhysicalSize.y,
(ACTIVE_AREA_POS.x + ACTIVE_AREA_SIZE.x) / effectivePhysicalSize.x, (ACTIVE_AREA_POS.y + ACTIVE_AREA_SIZE.y) / effectivePhysicalSize.y};
}
}
}