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algo/scroll: improve directional moves (#13423)

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Vaxry 2026-03-02 19:31:33 +00:00 • committed by GitHub
parent d4d17d5d52
commit 3b7401b065
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GPG key ID: B5690EEEBB952194
4 changed files with 117 additions and 54 deletions
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6
src/layout/algorithm/tiled/scrolling/ScrollTapeController.cpp
View file

@ -55,12 +55,14 @@ size_t CScrollTapeController::addStrip(float size) {
return m_strips.size() - 1;
}
void CScrollTapeController::insertStrip(size_t afterIndex, float size) {
if (afterIndex >= m_strips.size()) {
void CScrollTapeController::insertStrip(ssize_t afterIndex, float size) {
if (afterIndex >= sc<ssize_t>(m_strips.size())) {
addStrip(size);
return;
}
afterIndex = std::clamp(afterIndex, -1L, sc<ssize_t>(INT32_MAX));
SStripData newStrip;
newStrip.size = size;
m_strips.insert(m_strips.begin() + afterIndex + 1, newStrip);

2
src/layout/algorithm/tiled/scrolling/ScrollTapeController.hpp
View file

@ -40,7 +40,7 @@ namespace Layout::Tiled {
bool isReversed() const;
size_t addStrip(float size = 1.0F);
void insertStrip(size_t afterIndex, float size = 1.0F);
void insertStrip(ssize_t afterIndex, float size = 1.0F);
void removeStrip(size_t index);
size_t stripCount() const;
SStripData& getStrip(size_t index);

159
src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.cpp
View file

@ -247,24 +247,28 @@ void SColumnData::remove(SP<ITarget> t) {
scrollingData->remove(self.lock());
}
void SColumnData::up(SP<SScrollingTargetData> w) {
bool SColumnData::up(SP<SScrollingTargetData> w) {
for (size_t i = 1; i < targetDatas.size(); ++i) {
if (targetDatas[i] != w)
continue;
std::swap(targetDatas[i], targetDatas[i - 1]);
break;
return true;
}
return false;
}
void SColumnData::down(SP<SScrollingTargetData> w) {
bool SColumnData::down(SP<SScrollingTargetData> w) {
for (size_t i = 0; i < targetDatas.size() - 1; ++i) {
if (targetDatas[i] != w)
continue;
std::swap(targetDatas[i], targetDatas[i + 1]);
break;
return true;
}
return false;
}
SP<SScrollingTargetData> SColumnData::next(SP<SScrollingTargetData> w) {
@ -845,61 +849,118 @@ void CScrollingAlgorithm::moveTargetTo(SP<ITarget> t, Math::eDirection dir, bool
if (!DATA)
return;
const auto TAPE_DIR = getDynamicDirection();
const auto CURRENT_COL = DATA->column.lock();
const auto current_idx = m_scrollingData->idx(CURRENT_COL);
if (dir == Math::DIRECTION_LEFT) {
const auto COL = m_scrollingData->prev(DATA->column.lock());
auto rotateDir = [this](Math::eDirection dir) -> Math::eDirection {
switch (m_scrollingData->controller->getDirection()) {
case SCROLL_DIR_RIGHT: return dir;
case SCROLL_DIR_LEFT: {
if (dir == Math::DIRECTION_LEFT)
return Math::DIRECTION_RIGHT;
if (dir == Math::DIRECTION_RIGHT)
return Math::DIRECTION_LEFT;
return dir;
}
case SCROLL_DIR_UP: {
switch (dir) {
case Math::DIRECTION_UP: return Math::DIRECTION_RIGHT;
case Math::DIRECTION_DOWN: return Math::DIRECTION_LEFT;
case Math::DIRECTION_LEFT: return Math::DIRECTION_DOWN;
case Math::DIRECTION_RIGHT: return Math::DIRECTION_UP;
default: break;
}
// ignore moves to the "origin" when on first column and moving opposite to tape direction
if (!COL && current_idx == 0 && (TAPE_DIR == SCROLL_DIR_RIGHT || TAPE_DIR == SCROLL_DIR_DOWN))
return;
return dir;
}
case SCROLL_DIR_DOWN: {
switch (dir) {
case Math::DIRECTION_UP: return Math::DIRECTION_LEFT;
case Math::DIRECTION_DOWN: return Math::DIRECTION_RIGHT;
case Math::DIRECTION_LEFT: return Math::DIRECTION_DOWN;
case Math::DIRECTION_RIGHT: return Math::DIRECTION_UP;
default: break;
}
DATA->column->remove(t);
if (!COL) {
const auto NEWCOL = m_scrollingData->add(-1);
NEWCOL->add(DATA);
m_scrollingData->centerOrFitCol(NEWCOL);
} else {
if (COL->targetDatas.size() > 0)
COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y));
else
COL->add(DATA);
m_scrollingData->centerOrFitCol(COL);
}
} else if (dir == Math::DIRECTION_RIGHT) {
const auto COL = m_scrollingData->next(DATA->column.lock());
// ignore moves to the "origin" when on last column and moving opposite to tape direction
if (!COL && current_idx == (int64_t)m_scrollingData->columns.size() - 1 && (TAPE_DIR == SCROLL_DIR_LEFT || TAPE_DIR == SCROLL_DIR_UP))
return;
DATA->column->remove(t);
if (!COL) {
// make a new one
const auto NEWCOL = m_scrollingData->add();
NEWCOL->add(DATA);
m_scrollingData->centerOrFitCol(NEWCOL);
} else {
if (COL->targetDatas.size() > 0)
COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y));
else
COL->add(DATA);
m_scrollingData->centerOrFitCol(COL);
return dir;
}
default: break;
}
} else if (dir == Math::DIRECTION_UP)
DATA->column->up(DATA);
else if (dir == Math::DIRECTION_DOWN)
DATA->column->down(DATA);
return dir;
};
const auto ROTATED_DIR = rotateDir(dir);
auto commenceDir = [&]() -> bool {
if (ROTATED_DIR == Math::DIRECTION_LEFT) {
const auto COL = m_scrollingData->prev(DATA->column.lock());
// ignore moves to the origin if we are alone
if (!COL && current_idx == 0 && DATA->column->targetDatas.size() == 1)
return false;
DATA->column->remove(t);
if (!COL) {
const auto NEWCOL = m_scrollingData->add(-1);
NEWCOL->add(DATA);
m_scrollingData->centerOrFitCol(NEWCOL);
} else {
if (COL->targetDatas.size() > 0)
COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y));
else
COL->add(DATA);
m_scrollingData->centerOrFitCol(COL);
}
return true;
} else if (ROTATED_DIR == Math::DIRECTION_RIGHT) {
const auto COL = m_scrollingData->next(DATA->column.lock());
// ignore move to the right when there is no next column and we're alone
if (!COL && current_idx == (int64_t)m_scrollingData->columns.size() - 1 && DATA->column->targetDatas.size() == 1)
return false;
DATA->column->remove(t);
if (!COL) {
// make a new one
const auto NEWCOL = m_scrollingData->add();
NEWCOL->add(DATA);
m_scrollingData->centerOrFitCol(NEWCOL);
} else {
if (COL->targetDatas.size() > 0)
COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y));
else
COL->add(DATA);
m_scrollingData->centerOrFitCol(COL);
}
return true;
} else if (ROTATED_DIR == Math::DIRECTION_UP)
return DATA->column->up(DATA);
else if (ROTATED_DIR == Math::DIRECTION_DOWN)
return DATA->column->down(DATA);
return false;
};
if (!commenceDir()) {
// dir wasn't commenced, move to a workspace if possible
// with the original dir
const auto MONINDIR = g_pCompositor->getMonitorInDirection(m_parent->space()->workspace()->m_monitor.lock(), dir);
if (MONINDIR && MONINDIR != m_parent->space()->workspace()->m_monitor && MONINDIR->m_activeWorkspace) {
t->assignToSpace(MONINDIR->m_activeWorkspace->m_space);
m_scrollingData->recalculate();
return;
}
}
m_scrollingData->recalculate();
focusTargetUpdate(t);
if (t->window())
g_pCompositor->warpCursorTo(t->window()->middle());
}
std::expected<void, std::string> CScrollingAlgorithm::layoutMsg(const std::string_view& sv) {

4
src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp
View file

@ -40,8 +40,8 @@ namespace Layout::Tiled {
// index of lowest target that is above y.
size_t idxForHeight(float y);
void up(SP<SScrollingTargetData> w);
void down(SP<SScrollingTargetData> w);
bool up(SP<SScrollingTargetData> w);
bool down(SP<SScrollingTargetData> w);
SP<SScrollingTargetData> next(SP<SScrollingTargetData> w);
SP<SScrollingTargetData> prev(SP<SScrollingTargetData> w);