layout: rethonk layouts from the ground up (#12890)

Rewrites layouts to be much smaller, and deal with much less annoying
BS. Improves the overall architecture, unifies handling of pseudotiling,
and various other improvements.
This commit is contained in:
Vaxry 2026-02-21 21:30:39 +00:00 committed by GitHub
parent 51f8849e54
commit 723870337f
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82 changed files with 8431 additions and 5527 deletions

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#include "DwindleAlgorithm.hpp"
#include "../../Algorithm.hpp"
#include "../../../space/Space.hpp"
#include "../../../target/WindowTarget.hpp"
#include "../../../LayoutManager.hpp"
#include "../../../../config/ConfigValue.hpp"
#include "../../../../desktop/state/FocusState.hpp"
#include "../../../../helpers/Monitor.hpp"
#include "../../../../Compositor.hpp"
#include <hyprutils/utils/ScopeGuard.hpp>
using namespace Layout;
using namespace Layout::Tiled;
struct Layout::Tiled::SDwindleNodeData {
WP<SDwindleNodeData> pParent;
bool isNode = false;
WP<ITarget> pTarget;
std::array<WP<SDwindleNodeData>, 2> children = {};
WP<SDwindleNodeData> self;
bool splitTop = false; // for preserve_split
CBox box = {0};
float splitRatio = 1.f;
bool valid = true;
bool ignoreFullscreenChecks = false;
// For list lookup
bool operator==(const SDwindleNodeData& rhs) const {
return pTarget.lock() == rhs.pTarget.lock() && box == rhs.box && pParent == rhs.pParent && children[0] == rhs.children[0] && children[1] == rhs.children[1];
}
void recalcSizePosRecursive(bool force = false, bool horizontalOverride = false, bool verticalOverride = false) {
if (children[0]) {
static auto PSMARTSPLIT = CConfigValue<Hyprlang::INT>("dwindle:smart_split");
static auto PPRESERVESPLIT = CConfigValue<Hyprlang::INT>("dwindle:preserve_split");
static auto PFLMULT = CConfigValue<Hyprlang::FLOAT>("dwindle:split_width_multiplier");
if (*PPRESERVESPLIT == 0 && *PSMARTSPLIT == 0)
splitTop = box.h * *PFLMULT > box.w;
if (verticalOverride)
splitTop = true;
else if (horizontalOverride)
splitTop = false;
const auto SPLITSIDE = !splitTop;
if (SPLITSIDE) {
// split left/right
const float FIRSTSIZE = box.w / 2.0 * splitRatio;
children[0]->box = CBox{box.x, box.y, FIRSTSIZE, box.h}.noNegativeSize();
children[1]->box = CBox{box.x + FIRSTSIZE, box.y, box.w - FIRSTSIZE, box.h}.noNegativeSize();
} else {
// split top/bottom
const float FIRSTSIZE = box.h / 2.0 * splitRatio;
children[0]->box = CBox{box.x, box.y, box.w, FIRSTSIZE}.noNegativeSize();
children[1]->box = CBox{box.x, box.y + FIRSTSIZE, box.w, box.h - FIRSTSIZE}.noNegativeSize();
}
children[0]->recalcSizePosRecursive(force);
children[1]->recalcSizePosRecursive(force);
} else
pTarget->setPositionGlobal(box);
}
};
void CDwindleAlgorithm::newTarget(SP<ITarget> target) {
addTarget(target);
}
void CDwindleAlgorithm::addTarget(SP<ITarget> target, bool newTarget) {
const auto WORK_AREA = m_parent->space()->workArea();
const auto PNODE = m_dwindleNodesData.emplace_back(makeShared<SDwindleNodeData>());
PNODE->self = PNODE;
const auto PMONITOR = m_parent->space()->workspace()->m_monitor;
const auto PWORKSPACE = m_parent->space()->workspace();
static auto PUSEACTIVE = CConfigValue<Hyprlang::INT>("dwindle:use_active_for_splits");
static auto PDEFAULTSPLIT = CConfigValue<Hyprlang::FLOAT>("dwindle:default_split_ratio");
// Populate the node with our window's data
PNODE->pTarget = target;
PNODE->isNode = false;
SP<SDwindleNodeData> OPENINGON;
const auto MOUSECOORDS = m_overrideFocalPoint.value_or(g_pInputManager->getMouseCoordsInternal());
const auto ACTIVE_MON = Desktop::focusState()->monitor();
if ((PWORKSPACE == ACTIVE_MON->m_activeWorkspace || (PWORKSPACE->m_isSpecialWorkspace && PMONITOR->m_activeSpecialWorkspace)) && !*PUSEACTIVE) {
OPENINGON = getNodeFromWindow(
g_pCompositor->vectorToWindowUnified(MOUSECOORDS, Desktop::View::RESERVED_EXTENTS | Desktop::View::INPUT_EXTENTS | Desktop::View::SKIP_FULLSCREEN_PRIORITY));
if (!OPENINGON && g_pCompositor->isPointOnReservedArea(MOUSECOORDS, ACTIVE_MON))
OPENINGON = getClosestNode(MOUSECOORDS);
} else if (*PUSEACTIVE) {
if (Desktop::focusState()->window() && !Desktop::focusState()->window()->m_isFloating && Desktop::focusState()->window() != target->window() &&
Desktop::focusState()->window()->m_workspace == PWORKSPACE && Desktop::focusState()->window()->m_isMapped) {
OPENINGON = getNodeFromWindow(Desktop::focusState()->window());
} else {
OPENINGON = getNodeFromWindow(g_pCompositor->vectorToWindowUnified(MOUSECOORDS, Desktop::View::RESERVED_EXTENTS | Desktop::View::INPUT_EXTENTS));
}
if (!OPENINGON && g_pCompositor->isPointOnReservedArea(MOUSECOORDS, ACTIVE_MON))
OPENINGON = getClosestNode(MOUSECOORDS);
} else
OPENINGON = getFirstNode();
// first, check if OPENINGON isn't too big.
const auto PREDSIZEMAX = OPENINGON ? Vector2D(OPENINGON->box.w, OPENINGON->box.h) : PMONITOR->m_size;
if (const auto MAXSIZE = target->maxSize().value_or(Math::VECTOR2D_MAX); MAXSIZE.x < PREDSIZEMAX.x || MAXSIZE.y < PREDSIZEMAX.y) {
// we can't continue. make it floating.
std::erase(m_dwindleNodesData, PNODE);
m_parent->setFloating(target, true, true);
return;
}
// last fail-safe to avoid duplicate fullscreens
if ((!OPENINGON || OPENINGON->pTarget.lock() == target) && getNodes() > 1) {
for (auto& node : m_dwindleNodesData) {
if (node->pTarget.lock() && node->pTarget.lock() != target) {
OPENINGON = node;
break;
}
}
}
// if it's the first, it's easy. Make it fullscreen.
if (!OPENINGON || OPENINGON->pTarget.lock() == target) {
PNODE->box = WORK_AREA;
PNODE->pTarget->setPositionGlobal(PNODE->box);
return;
}
// get the node under our cursor
const auto NEWPARENT = m_dwindleNodesData.emplace_back(makeShared<SDwindleNodeData>());
// make the parent have the OPENINGON's stats
NEWPARENT->box = OPENINGON->box;
NEWPARENT->pParent = OPENINGON->pParent;
NEWPARENT->isNode = true; // it is a node
NEWPARENT->splitRatio = std::clamp(*PDEFAULTSPLIT, 0.1F, 1.9F);
static auto PWIDTHMULTIPLIER = CConfigValue<Hyprlang::FLOAT>("dwindle:split_width_multiplier");
// if cursor over first child, make it first, etc
const auto SIDEBYSIDE = NEWPARENT->box.w > NEWPARENT->box.h * *PWIDTHMULTIPLIER;
NEWPARENT->splitTop = !SIDEBYSIDE;
static auto PFORCESPLIT = CConfigValue<Hyprlang::INT>("dwindle:force_split");
static auto PERMANENTDIRECTIONOVERRIDE = CConfigValue<Hyprlang::INT>("dwindle:permanent_direction_override");
static auto PSMARTSPLIT = CConfigValue<Hyprlang::INT>("dwindle:smart_split");
static auto PSPLITBIAS = CConfigValue<Hyprlang::INT>("dwindle:split_bias");
bool horizontalOverride = false;
bool verticalOverride = false;
// let user select position -> top, right, bottom, left
if (m_overrideDirection != Math::DIRECTION_DEFAULT) {
// this is horizontal
if (m_overrideDirection % 2 == 0)
verticalOverride = true;
else
horizontalOverride = true;
// 0 -> top and left | 1,2 -> right and bottom
if (m_overrideDirection % 3 == 0) {
NEWPARENT->children[1] = OPENINGON;
NEWPARENT->children[0] = PNODE;
} else {
NEWPARENT->children[0] = OPENINGON;
NEWPARENT->children[1] = PNODE;
}
// whether or not the override persists after opening one window
if (*PERMANENTDIRECTIONOVERRIDE == 0)
m_overrideDirection = Math::DIRECTION_DEFAULT;
} else if (*PSMARTSPLIT == 1) {
const auto PARENT_CENTER = NEWPARENT->box.pos() + NEWPARENT->box.size() / 2;
const auto PARENT_PROPORTIONS = NEWPARENT->box.h / NEWPARENT->box.w;
const auto DELTA = MOUSECOORDS - PARENT_CENTER;
const auto DELTA_SLOPE = DELTA.y / DELTA.x;
if (abs(DELTA_SLOPE) < PARENT_PROPORTIONS) {
if (DELTA.x > 0) {
// right
NEWPARENT->splitTop = false;
NEWPARENT->children[0] = OPENINGON;
NEWPARENT->children[1] = PNODE;
} else {
// left
NEWPARENT->splitTop = false;
NEWPARENT->children[0] = PNODE;
NEWPARENT->children[1] = OPENINGON;
}
} else {
if (DELTA.y > 0) {
// bottom
NEWPARENT->splitTop = true;
NEWPARENT->children[0] = OPENINGON;
NEWPARENT->children[1] = PNODE;
} else {
// top
NEWPARENT->splitTop = true;
NEWPARENT->children[0] = PNODE;
NEWPARENT->children[1] = OPENINGON;
}
}
} else if (*PFORCESPLIT == 0 || !newTarget) {
if ((SIDEBYSIDE &&
VECINRECT(MOUSECOORDS, NEWPARENT->box.x, NEWPARENT->box.y / *PWIDTHMULTIPLIER, NEWPARENT->box.x + NEWPARENT->box.w / 2.f, NEWPARENT->box.y + NEWPARENT->box.h)) ||
(!SIDEBYSIDE &&
VECINRECT(MOUSECOORDS, NEWPARENT->box.x, NEWPARENT->box.y / *PWIDTHMULTIPLIER, NEWPARENT->box.x + NEWPARENT->box.w, NEWPARENT->box.y + NEWPARENT->box.h / 2.f))) {
// we are hovering over the first node, make PNODE first.
NEWPARENT->children[1] = OPENINGON;
NEWPARENT->children[0] = PNODE;
} else {
// we are hovering over the second node, make PNODE second.
NEWPARENT->children[0] = OPENINGON;
NEWPARENT->children[1] = PNODE;
}
} else {
if (*PFORCESPLIT == 1) {
NEWPARENT->children[1] = OPENINGON;
NEWPARENT->children[0] = PNODE;
} else {
NEWPARENT->children[0] = OPENINGON;
NEWPARENT->children[1] = PNODE;
}
}
// split in favor of a specific window
if (*PSPLITBIAS && NEWPARENT->children[0] == PNODE)
NEWPARENT->splitRatio = 2.f - NEWPARENT->splitRatio;
// and update the previous parent if it exists
if (OPENINGON->pParent) {
if (OPENINGON->pParent->children[0] == OPENINGON) {
OPENINGON->pParent->children[0] = NEWPARENT;
} else {
OPENINGON->pParent->children[1] = NEWPARENT;
}
}
// Update the children
if (!verticalOverride && (NEWPARENT->box.w * *PWIDTHMULTIPLIER > NEWPARENT->box.h || horizontalOverride)) {
// split left/right -> forced
OPENINGON->box = {NEWPARENT->box.pos(), Vector2D(NEWPARENT->box.w / 2.f, NEWPARENT->box.h)};
PNODE->box = {Vector2D(NEWPARENT->box.x + NEWPARENT->box.w / 2.f, NEWPARENT->box.y), Vector2D(NEWPARENT->box.w / 2.f, NEWPARENT->box.h)};
} else {
// split top/bottom
OPENINGON->box = {NEWPARENT->box.pos(), Vector2D(NEWPARENT->box.w, NEWPARENT->box.h / 2.f)};
PNODE->box = {Vector2D(NEWPARENT->box.x, NEWPARENT->box.y + NEWPARENT->box.h / 2.f), Vector2D(NEWPARENT->box.w, NEWPARENT->box.h / 2.f)};
}
OPENINGON->pParent = NEWPARENT;
PNODE->pParent = NEWPARENT;
NEWPARENT->recalcSizePosRecursive(false, horizontalOverride, verticalOverride);
calculateWorkspace();
}
void CDwindleAlgorithm::movedTarget(SP<ITarget> target, std::optional<Vector2D> focalPoint) {
m_overrideFocalPoint = focalPoint;
addTarget(target, false);
m_overrideFocalPoint.reset();
}
void CDwindleAlgorithm::removeTarget(SP<ITarget> target) {
const auto PNODE = getNodeFromTarget(target);
if (!PNODE) {
Log::logger->log(Log::ERR, "onWindowRemovedTiling node null?");
return;
}
if (target->fullscreenMode() != FSMODE_NONE)
g_pCompositor->setWindowFullscreenInternal(target->window(), FSMODE_NONE);
const auto PPARENT = PNODE->pParent;
if (!PPARENT) {
Log::logger->log(Log::DEBUG, "Removing last node (dwindle)");
std::erase(m_dwindleNodesData, PNODE);
return;
}
const auto PSIBLING = PPARENT->children[0] == PNODE ? PPARENT->children[1] : PPARENT->children[0];
PSIBLING->pParent = PPARENT->pParent;
if (PPARENT->pParent != nullptr) {
if (PPARENT->pParent->children[0] == PPARENT)
PPARENT->pParent->children[0] = PSIBLING;
else
PPARENT->pParent->children[1] = PSIBLING;
}
PPARENT->valid = false;
PNODE->valid = false;
std::erase(m_dwindleNodesData, PPARENT);
std::erase(m_dwindleNodesData, PNODE);
recalculate();
}
void CDwindleAlgorithm::resizeTarget(const Vector2D& Δ, SP<ITarget> target, eRectCorner corner) {
if (!validMapped(target->window()))
return;
const auto PNODE = getNodeFromTarget(target);
if (!PNODE)
return;
static auto PANIMATE = CConfigValue<Hyprlang::INT>("misc:animate_manual_resizes");
static auto PSMARTRESIZING = CConfigValue<Hyprlang::INT>("dwindle:smart_resizing");
// get some data about our window
const auto PMONITOR = m_parent->space()->workspace()->m_monitor;
const auto MONITOR_WORKAREA = PMONITOR->logicalBoxMinusReserved();
const auto BOX = target->position();
const bool DISPLAYLEFT = STICKS(BOX.x, MONITOR_WORKAREA.x);
const bool DISPLAYRIGHT = STICKS(BOX.x + BOX.w, MONITOR_WORKAREA.x + MONITOR_WORKAREA.w);
const bool DISPLAYTOP = STICKS(BOX.y, MONITOR_WORKAREA.y);
const bool DISPLAYBOTTOM = STICKS(BOX.y + BOX.h, MONITOR_WORKAREA.y + MONITOR_WORKAREA.h);
// construct allowed movement
Vector2D allowedMovement = Δ;
if (DISPLAYLEFT && DISPLAYRIGHT)
allowedMovement.x = 0;
if (DISPLAYBOTTOM && DISPLAYTOP)
allowedMovement.y = 0;
if (*PSMARTRESIZING == 1) {
// Identify inner and outer nodes for both directions
SP<SDwindleNodeData> PVOUTER = nullptr;
SP<SDwindleNodeData> PVINNER = nullptr;
SP<SDwindleNodeData> PHOUTER = nullptr;
SP<SDwindleNodeData> PHINNER = nullptr;
const auto LEFT = corner == CORNER_TOPLEFT || corner == CORNER_BOTTOMLEFT || DISPLAYRIGHT;
const auto TOP = corner == CORNER_TOPLEFT || corner == CORNER_TOPRIGHT || DISPLAYBOTTOM;
const auto RIGHT = corner == CORNER_TOPRIGHT || corner == CORNER_BOTTOMRIGHT || DISPLAYLEFT;
const auto BOTTOM = corner == CORNER_BOTTOMLEFT || corner == CORNER_BOTTOMRIGHT || DISPLAYTOP;
const auto NONE = corner == CORNER_NONE;
for (auto PCURRENT = PNODE; PCURRENT && PCURRENT->pParent; PCURRENT = PCURRENT->pParent.lock()) {
const auto PPARENT = PCURRENT->pParent;
if (!PVOUTER && PPARENT->splitTop && (NONE || (TOP && PPARENT->children[1] == PCURRENT) || (BOTTOM && PPARENT->children[0] == PCURRENT)))
PVOUTER = PCURRENT;
else if (!PVOUTER && !PVINNER && PPARENT->splitTop)
PVINNER = PCURRENT;
else if (!PHOUTER && !PPARENT->splitTop && (NONE || (LEFT && PPARENT->children[1] == PCURRENT) || (RIGHT && PPARENT->children[0] == PCURRENT)))
PHOUTER = PCURRENT;
else if (!PHOUTER && !PHINNER && !PPARENT->splitTop)
PHINNER = PCURRENT;
if (PVOUTER && PHOUTER)
break;
}
if (PHOUTER) {
PHOUTER->pParent->splitRatio = std::clamp(PHOUTER->pParent->splitRatio + allowedMovement.x * 2.f / PHOUTER->pParent->box.w, 0.1, 1.9);
if (PHINNER) {
const auto ORIGINAL = PHINNER->box.w;
PHOUTER->pParent->recalcSizePosRecursive(*PANIMATE == 0);
if (PHINNER->pParent->children[0] == PHINNER)
PHINNER->pParent->splitRatio = std::clamp((ORIGINAL - allowedMovement.x) / PHINNER->pParent->box.w * 2.f, 0.1, 1.9);
else
PHINNER->pParent->splitRatio = std::clamp(2 - (ORIGINAL + allowedMovement.x) / PHINNER->pParent->box.w * 2.f, 0.1, 1.9);
PHINNER->pParent->recalcSizePosRecursive(*PANIMATE == 0);
} else
PHOUTER->pParent->recalcSizePosRecursive(*PANIMATE == 0);
}
if (PVOUTER) {
PVOUTER->pParent->splitRatio = std::clamp(PVOUTER->pParent->splitRatio + allowedMovement.y * 2.f / PVOUTER->pParent->box.h, 0.1, 1.9);
if (PVINNER) {
const auto ORIGINAL = PVINNER->box.h;
PVOUTER->pParent->recalcSizePosRecursive(*PANIMATE == 0);
if (PVINNER->pParent->children[0] == PVINNER)
PVINNER->pParent->splitRatio = std::clamp((ORIGINAL - allowedMovement.y) / PVINNER->pParent->box.h * 2.f, 0.1, 1.9);
else
PVINNER->pParent->splitRatio = std::clamp(2 - (ORIGINAL + allowedMovement.y) / PVINNER->pParent->box.h * 2.f, 0.1, 1.9);
PVINNER->pParent->recalcSizePosRecursive(*PANIMATE == 0);
} else
PVOUTER->pParent->recalcSizePosRecursive(*PANIMATE == 0);
}
} else {
// get the correct containers to apply splitratio to
const auto PPARENT = PNODE->pParent;
if (!PPARENT)
return; // the only window on a workspace, ignore
const bool PARENTSIDEBYSIDE = !PPARENT->splitTop;
// Get the parent's parent
auto PPARENT2 = PPARENT->pParent;
Hyprutils::Utils::CScopeGuard x([target, this] {
// snap all windows, don't animate resizes if they are manual
if (target == g_layoutManager->dragController()->target()) {
for (const auto& w : m_dwindleNodesData) {
if (w->isNode)
continue;
w->pTarget->warpPositionSize();
}
}
});
// No parent means we have only 2 windows, and thus one axis of freedom
if (!PPARENT2) {
if (PARENTSIDEBYSIDE) {
allowedMovement.x *= 2.f / PPARENT->box.w;
PPARENT->splitRatio = std::clamp(PPARENT->splitRatio + allowedMovement.x, 0.1, 1.9);
PPARENT->recalcSizePosRecursive(*PANIMATE == 0);
} else {
allowedMovement.y *= 2.f / PPARENT->box.h;
PPARENT->splitRatio = std::clamp(PPARENT->splitRatio + allowedMovement.y, 0.1, 1.9);
PPARENT->recalcSizePosRecursive(*PANIMATE == 0);
}
return;
}
// Get first parent with other split
while (PPARENT2 && PPARENT2->splitTop == !PARENTSIDEBYSIDE)
PPARENT2 = PPARENT2->pParent;
// no parent, one axis of freedom
if (!PPARENT2) {
if (PARENTSIDEBYSIDE) {
allowedMovement.x *= 2.f / PPARENT->box.w;
PPARENT->splitRatio = std::clamp(PPARENT->splitRatio + allowedMovement.x, 0.1, 1.9);
PPARENT->recalcSizePosRecursive(*PANIMATE == 0);
} else {
allowedMovement.y *= 2.f / PPARENT->box.h;
PPARENT->splitRatio = std::clamp(PPARENT->splitRatio + allowedMovement.y, 0.1, 1.9);
PPARENT->recalcSizePosRecursive(*PANIMATE == 0);
}
return;
}
// 2 axes of freedom
const auto SIDECONTAINER = PARENTSIDEBYSIDE ? PPARENT : PPARENT2;
const auto TOPCONTAINER = PARENTSIDEBYSIDE ? PPARENT2 : PPARENT;
allowedMovement.x *= 2.f / SIDECONTAINER->box.w;
allowedMovement.y *= 2.f / TOPCONTAINER->box.h;
SIDECONTAINER->splitRatio = std::clamp(SIDECONTAINER->splitRatio + allowedMovement.x, 0.1, 1.9);
TOPCONTAINER->splitRatio = std::clamp(TOPCONTAINER->splitRatio + allowedMovement.y, 0.1, 1.9);
SIDECONTAINER->recalcSizePosRecursive(*PANIMATE == 0);
TOPCONTAINER->recalcSizePosRecursive(*PANIMATE == 0);
}
// snap all windows, don't animate resizes if they are manual
if (target == g_layoutManager->dragController()->target()) {
for (const auto& w : m_dwindleNodesData) {
if (w->isNode)
continue;
w->pTarget->warpPositionSize();
}
}
}
SP<ITarget> CDwindleAlgorithm::getNextCandidate(SP<ITarget> old) {
const auto MIDDLE = old->position().middle();
if (const auto NODE = getClosestNode(MIDDLE); NODE)
return NODE->pTarget.lock();
if (const auto NODE = getFirstNode(); NODE)
return NODE->pTarget.lock();
return nullptr;
}
void CDwindleAlgorithm::swapTargets(SP<ITarget> a, SP<ITarget> b) {
auto nodeA = getNodeFromTarget(a);
auto nodeB = getNodeFromTarget(b);
if (nodeA)
nodeA->pTarget = b;
if (nodeB)
nodeB->pTarget = a;
}
void CDwindleAlgorithm::recalculate() {
calculateWorkspace();
}
std::optional<Vector2D> CDwindleAlgorithm::predictSizeForNewTarget() {
// get window candidate
PHLWINDOW candidate = Desktop::focusState()->window();
if (!candidate || candidate->m_workspace != m_parent->space()->workspace())
candidate = m_parent->space()->workspace()->getFirstWindow();
// create a fake node
SDwindleNodeData node;
if (!candidate)
return Desktop::focusState()->monitor()->m_size;
else {
const auto PNODE = getNodeFromWindow(candidate);
if (!PNODE)
return {};
node = *PNODE;
node.pTarget.reset();
CBox box = PNODE->box;
static auto PFLMULT = CConfigValue<Hyprlang::FLOAT>("dwindle:split_width_multiplier");
bool splitTop = box.h * *PFLMULT > box.w;
const auto SPLITSIDE = !splitTop;
if (SPLITSIDE)
node.box = {{}, {box.w / 2.0, box.h}};
else
node.box = {{}, {box.w, box.h / 2.0}};
// TODO: make this better and more accurate
return node.box.size();
}
return {};
}
void CDwindleAlgorithm::moveTargetInDirection(SP<ITarget> t, Math::eDirection dir, bool silent) {
const auto PNODE = getNodeFromTarget(t);
const Vector2D originalPos = t->position().middle();
if (!PNODE || !t->window())
return;
Vector2D focalPoint;
const auto WINDOWIDEALBB =
t->fullscreenMode() != FSMODE_NONE ? m_parent->space()->workspace()->m_monitor->logicalBox() : t->window()->getWindowIdealBoundingBoxIgnoreReserved();
switch (dir) {
case Math::DIRECTION_UP: focalPoint = WINDOWIDEALBB.pos() + Vector2D{WINDOWIDEALBB.size().x / 2.0, -1.0}; break;
case Math::DIRECTION_DOWN: focalPoint = WINDOWIDEALBB.pos() + Vector2D{WINDOWIDEALBB.size().x / 2.0, WINDOWIDEALBB.size().y + 1.0}; break;
case Math::DIRECTION_LEFT: focalPoint = WINDOWIDEALBB.pos() + Vector2D{-1.0, WINDOWIDEALBB.size().y / 2.0}; break;
case Math::DIRECTION_RIGHT: focalPoint = WINDOWIDEALBB.pos() + Vector2D{WINDOWIDEALBB.size().x + 1.0, WINDOWIDEALBB.size().y / 2.0}; break;
default: return;
}
t->window()->setAnimationsToMove();
removeTarget(t);
const auto PMONITORFOCAL = g_pCompositor->getMonitorFromVector(focalPoint);
if (PMONITORFOCAL != m_parent->space()->workspace()->m_monitor) {
// move with a focal point
if (PMONITORFOCAL->m_activeWorkspace)
t->assignToSpace(PMONITORFOCAL->m_activeWorkspace->m_space);
return;
}
movedTarget(t, focalPoint);
// restore focus to the previous position
if (silent) {
const auto PNODETOFOCUS = getClosestNode(originalPos);
if (PNODETOFOCUS && PNODETOFOCUS->pTarget)
Desktop::focusState()->fullWindowFocus(PNODETOFOCUS->pTarget->window(), Desktop::FOCUS_REASON_KEYBIND);
}
}
// --------- internal --------- //
void CDwindleAlgorithm::calculateWorkspace() {
const auto PWORKSPACE = m_parent->space()->workspace();
const auto PMONITOR = PWORKSPACE->m_monitor;
if (!PMONITOR || PWORKSPACE->m_hasFullscreenWindow)
return;
const auto TOPNODE = getMasterNode();
if (TOPNODE) {
TOPNODE->box = m_parent->space()->workArea();
TOPNODE->recalcSizePosRecursive();
}
}
SP<SDwindleNodeData> CDwindleAlgorithm::getNodeFromTarget(SP<ITarget> t) {
for (const auto& n : m_dwindleNodesData) {
if (n->pTarget == t)
return n;
}
return nullptr;
}
SP<SDwindleNodeData> CDwindleAlgorithm::getNodeFromWindow(PHLWINDOW w) {
return w ? getNodeFromTarget(w->layoutTarget()) : nullptr;
}
int CDwindleAlgorithm::getNodes() {
return m_dwindleNodesData.size();
}
SP<SDwindleNodeData> CDwindleAlgorithm::getFirstNode() {
return m_dwindleNodesData.empty() ? nullptr : m_dwindleNodesData.at(0);
}
SP<SDwindleNodeData> CDwindleAlgorithm::getClosestNode(const Vector2D& point) {
SP<SDwindleNodeData> res = nullptr;
double distClosest = -1;
for (auto& n : m_dwindleNodesData) {
if (n->pTarget && Desktop::View::validMapped(n->pTarget->window())) {
auto distAnother = vecToRectDistanceSquared(point, n->box.pos(), n->box.pos() + n->box.size());
if (!res || distAnother < distClosest) {
res = n;
distClosest = distAnother;
}
}
}
return res;
}
SP<SDwindleNodeData> CDwindleAlgorithm::getMasterNode() {
for (auto& n : m_dwindleNodesData) {
if (!n->pParent)
return n;
}
return nullptr;
}
std::expected<void, std::string> CDwindleAlgorithm::layoutMsg(const std::string_view& sv) {
const auto ARGS = CVarList2(std::string{sv}, 0, ' ');
const auto CURRENT_NODE = getNodeFromWindow(Desktop::focusState()->window());
if (ARGS[0] == "togglesplit") {
if (CURRENT_NODE)
toggleSplit(CURRENT_NODE);
} else if (ARGS[0] == "swapsplit") {
if (CURRENT_NODE)
swapSplit(CURRENT_NODE);
} else if (ARGS[0] == "movetoroot") {
auto node = CURRENT_NODE;
if (!ARGS[1].empty()) {
auto w = g_pCompositor->getWindowByRegex(std::string{ARGS[1]});
if (w)
node = getNodeFromWindow(w);
}
const auto STABLE = ARGS[2].empty() || ARGS[2] != "unstable";
moveToRoot(node, STABLE);
} else if (ARGS[0] == "preselect") {
auto direction = ARGS[1];
if (direction.empty()) {
Log::logger->log(Log::ERR, "Expected direction for preselect");
return std::unexpected("No direction for preselect");
}
switch (direction.front()) {
case 'u':
case 't': {
m_overrideDirection = Math::DIRECTION_UP;
break;
}
case 'd':
case 'b': {
m_overrideDirection = Math::DIRECTION_DOWN;
break;
}
case 'r': {
m_overrideDirection = Math::DIRECTION_RIGHT;
break;
}
case 'l': {
m_overrideDirection = Math::DIRECTION_LEFT;
break;
}
default: {
// any other character resets the focus direction
// needed for the persistent mode
m_overrideDirection = Math::DIRECTION_DEFAULT;
break;
}
}
}
return {};
}
void CDwindleAlgorithm::toggleSplit(SP<SDwindleNodeData> x) {
if (!x || !x->pParent)
return;
if (x->pTarget->fullscreenMode() != FSMODE_NONE)
return;
x->pParent->splitTop = !x->pParent->splitTop;
x->pParent->recalcSizePosRecursive();
}
void CDwindleAlgorithm::swapSplit(SP<SDwindleNodeData> x) {
if (x->pTarget->fullscreenMode() != FSMODE_NONE)
return;
std::swap(x->pParent->children[0], x->pParent->children[1]);
x->pParent->recalcSizePosRecursive();
}
void CDwindleAlgorithm::moveToRoot(SP<SDwindleNodeData> x, bool stable) {
if (!x || !x->pParent)
return;
if (x->pTarget->fullscreenMode() != FSMODE_NONE)
return;
// already at root
if (!x->pParent->pParent)
return;
auto& pNode = x->pParent->children[0] == x ? x->pParent->children[0] : x->pParent->children[1];
// instead of [getMasterNodeOnWorkspace], we walk back to root since we need
// to know which children of root is our ancestor
auto pAncestor = x, pRoot = x->pParent.lock();
while (pRoot->pParent) {
pAncestor = pRoot;
pRoot = pRoot->pParent.lock();
}
auto& pSwap = pRoot->children[0] == pAncestor ? pRoot->children[1] : pRoot->children[0];
std::swap(pNode, pSwap);
std::swap(pNode->pParent, pSwap->pParent);
// [stable] in that the focused window occupies same side of screen
if (stable)
std::swap(pRoot->children[0], pRoot->children[1]);
pRoot->recalcSizePosRecursive();
}

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#include "../../TiledAlgorithm.hpp"
namespace Layout {
class CAlgorithm;
}
namespace Layout::Tiled {
struct SDwindleNodeData;
class CDwindleAlgorithm : public ITiledAlgorithm {
public:
CDwindleAlgorithm() = default;
virtual ~CDwindleAlgorithm() = default;
virtual void newTarget(SP<ITarget> target);
virtual void movedTarget(SP<ITarget> target, std::optional<Vector2D> focalPoint = std::nullopt);
virtual void removeTarget(SP<ITarget> target);
virtual void resizeTarget(const Vector2D& Δ, SP<ITarget> target, eRectCorner corner = CORNER_NONE);
virtual void recalculate();
virtual SP<ITarget> getNextCandidate(SP<ITarget> old);
virtual std::expected<void, std::string> layoutMsg(const std::string_view& sv);
virtual std::optional<Vector2D> predictSizeForNewTarget();
virtual void swapTargets(SP<ITarget> a, SP<ITarget> b);
virtual void moveTargetInDirection(SP<ITarget> t, Math::eDirection dir, bool silent);
private:
std::vector<SP<SDwindleNodeData>> m_dwindleNodesData;
struct {
bool started = false;
bool pseudo = false;
bool xExtent = false;
bool yExtent = false;
} m_pseudoDragFlags;
std::optional<Vector2D> m_overrideFocalPoint; // for onWindowCreatedTiling.
void addTarget(SP<ITarget> target, bool newTarget = true);
void calculateWorkspace();
SP<SDwindleNodeData> getNodeFromTarget(SP<ITarget>);
SP<SDwindleNodeData> getNodeFromWindow(PHLWINDOW w);
int getNodes();
SP<SDwindleNodeData> getFirstNode();
SP<SDwindleNodeData> getClosestNode(const Vector2D&);
SP<SDwindleNodeData> getMasterNode();
void toggleSplit(SP<SDwindleNodeData>);
void swapSplit(SP<SDwindleNodeData>);
void moveToRoot(SP<SDwindleNodeData>, bool stable = true);
Math::eDirection m_overrideDirection = Math::DIRECTION_DEFAULT;
};
};

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#include "../../TiledAlgorithm.hpp"
#include <hyprutils/string/VarList2.hpp>
namespace Layout {
class CAlgorithm;
}
namespace Layout::Tiled {
struct SMasterNodeData;
//orientation determines which side of the screen the master area resides
enum eOrientation : uint8_t {
ORIENTATION_LEFT = 0,
ORIENTATION_TOP,
ORIENTATION_RIGHT,
ORIENTATION_BOTTOM,
ORIENTATION_CENTER
};
struct SMasterWorkspaceData {
WORKSPACEID workspaceID = WORKSPACE_INVALID;
eOrientation orientation = ORIENTATION_LEFT;
// Previously focused non-master window when `focusmaster previous` command was issued
WP<ITarget> focusMasterPrev;
//
bool operator==(const SMasterWorkspaceData& rhs) const {
return workspaceID == rhs.workspaceID;
}
};
class CMasterAlgorithm : public ITiledAlgorithm {
public:
CMasterAlgorithm() = default;
virtual ~CMasterAlgorithm() = default;
virtual void newTarget(SP<ITarget> target);
virtual void movedTarget(SP<ITarget> target, std::optional<Vector2D> focalPoint = std::nullopt);
virtual void removeTarget(SP<ITarget> target);
virtual void resizeTarget(const Vector2D& Δ, SP<ITarget> target, eRectCorner corner = CORNER_NONE);
virtual void recalculate();
virtual SP<ITarget> getNextCandidate(SP<ITarget> old);
virtual std::expected<void, std::string> layoutMsg(const std::string_view& sv);
virtual std::optional<Vector2D> predictSizeForNewTarget();
virtual void swapTargets(SP<ITarget> a, SP<ITarget> b);
virtual void moveTargetInDirection(SP<ITarget> t, Math::eDirection dir, bool silent);
private:
std::vector<SP<SMasterNodeData>> m_masterNodesData;
SMasterWorkspaceData m_workspaceData;
void addTarget(SP<ITarget> target, bool firstMap);
bool m_forceWarps = false;
void buildOrientationCycleVectorFromVars(std::vector<eOrientation>& cycle, Hyprutils::String::CVarList2* vars);
void buildOrientationCycleVectorFromEOperation(std::vector<eOrientation>& cycle);
void runOrientationCycle(Hyprutils::String::CVarList2* vars, int next);
eOrientation getDynamicOrientation();
int getNodesNo();
SP<SMasterNodeData> getNodeFromWindow(PHLWINDOW);
SP<SMasterNodeData> getNodeFromTarget(SP<ITarget>);
SP<SMasterNodeData> getMasterNode();
SP<SMasterNodeData> getClosestNode(const Vector2D&);
void calculateWorkspace();
SP<ITarget> getNextTarget(SP<ITarget>, bool, bool);
int getMastersNo();
bool isWindowTiled(PHLWINDOW);
};
};

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#include "MonocleAlgorithm.hpp"
#include "../../Algorithm.hpp"
#include "../../../space/Space.hpp"
#include "../../../target/WindowTarget.hpp"
#include "../../../LayoutManager.hpp"
#include "../../../../config/ConfigValue.hpp"
#include "../../../../desktop/state/FocusState.hpp"
#include "../../../../desktop/history/WindowHistoryTracker.hpp"
#include "../../../../helpers/Monitor.hpp"
#include "../../../../Compositor.hpp"
#include <hyprutils/string/VarList2.hpp>
#include <hyprutils/string/ConstVarList.hpp>
#include <hyprutils/utils/ScopeGuard.hpp>
using namespace Hyprutils::String;
using namespace Hyprutils::Utils;
using namespace Layout;
using namespace Layout::Tiled;
CMonocleAlgorithm::CMonocleAlgorithm() {
// hook into focus changes to bring focused window to front
m_focusCallback = g_pHookSystem->hookDynamic("activeWindow", [this](void* hk, SCallbackInfo& info, std::any param) {
const auto PWINDOW = std::any_cast<Desktop::View::SWindowActiveEvent>(param).window;
if (!PWINDOW)
return;
if (!PWINDOW->m_workspace->isVisible())
return;
const auto TARGET = PWINDOW->layoutTarget();
if (!TARGET)
return;
focusTargetUpdate(TARGET);
});
}
CMonocleAlgorithm::~CMonocleAlgorithm() {
// unhide all windows before destruction
for (const auto& data : m_targetDatas) {
const auto TARGET = data->target.lock();
if (!TARGET)
continue;
const auto WINDOW = TARGET->window();
if (WINDOW)
WINDOW->setHidden(false);
}
m_focusCallback.reset();
}
SP<SMonocleTargetData> CMonocleAlgorithm::dataFor(SP<ITarget> t) {
for (auto& data : m_targetDatas) {
if (data->target.lock() == t)
return data;
}
return nullptr;
}
void CMonocleAlgorithm::newTarget(SP<ITarget> target) {
const auto DATA = m_targetDatas.emplace_back(makeShared<SMonocleTargetData>(target));
m_currentVisibleIndex = m_targetDatas.size() - 1;
recalculate();
}
void CMonocleAlgorithm::movedTarget(SP<ITarget> target, std::optional<Vector2D> focalPoint) {
newTarget(target);
}
void CMonocleAlgorithm::removeTarget(SP<ITarget> target) {
auto it = std::ranges::find_if(m_targetDatas, [target](const auto& data) { return data->target.lock() == target; });
if (it == m_targetDatas.end())
return;
// unhide window when removing from monocle layout
const auto WINDOW = target->window();
if (WINDOW)
WINDOW->setHidden(false);
const auto INDEX = std::distance(m_targetDatas.begin(), it);
m_targetDatas.erase(it);
if (m_targetDatas.empty()) {
m_currentVisibleIndex = 0;
return;
}
// try to use the last window in history if we can
for (const auto& historyWindow : Desktop::History::windowTracker()->historyForWorkspace(m_parent->space()->workspace()) | std::views::reverse) {
auto it = std::ranges::find_if(m_targetDatas, [&historyWindow](const auto& d) { return d->target == historyWindow->layoutTarget(); });
if (it == m_targetDatas.end())
continue;
// we found a historical target, use that first
m_currentVisibleIndex = std::distance(m_targetDatas.begin(), it);
recalculate();
return;
}
// if we didn't find history, fall back to last
if (m_currentVisibleIndex >= (int)m_targetDatas.size())
m_currentVisibleIndex = m_targetDatas.size() - 1;
else if (INDEX <= m_currentVisibleIndex && m_currentVisibleIndex > 0)
m_currentVisibleIndex--;
recalculate();
}
void CMonocleAlgorithm::resizeTarget(const Vector2D& Δ, SP<ITarget> target, eRectCorner corner) {
// monocle layout doesn't support manual resizing, all windows are fullscreen
}
void CMonocleAlgorithm::recalculate() {
if (m_targetDatas.empty())
return;
const auto WORK_AREA = m_parent->space()->workArea();
for (size_t i = 0; i < m_targetDatas.size(); ++i) {
const auto& DATA = m_targetDatas[i];
const auto TARGET = DATA->target.lock();
if (!TARGET)
continue;
const auto WINDOW = TARGET->window();
if (!WINDOW)
continue;
DATA->layoutBox = WORK_AREA;
TARGET->setPositionGlobal(WORK_AREA);
const bool SHOULD_BE_VISIBLE = ((int)i == m_currentVisibleIndex);
WINDOW->setHidden(!SHOULD_BE_VISIBLE);
}
}
SP<ITarget> CMonocleAlgorithm::getNextCandidate(SP<ITarget> old) {
if (m_targetDatas.empty())
return nullptr;
auto it = std::ranges::find_if(m_targetDatas, [old](const auto& data) { return data->target.lock() == old; });
if (it == m_targetDatas.end()) {
if (m_currentVisibleIndex >= 0 && m_currentVisibleIndex < (int)m_targetDatas.size())
return m_targetDatas[m_currentVisibleIndex]->target.lock();
return nullptr;
}
auto next = std::next(it);
if (next == m_targetDatas.end())
next = m_targetDatas.begin();
return next->get()->target.lock();
}
std::expected<void, std::string> CMonocleAlgorithm::layoutMsg(const std::string_view& sv) {
CVarList2 vars(std::string{sv}, 0, 's');
if (vars.size() < 1)
return std::unexpected("layoutmsg requires at least 1 argument");
const auto COMMAND = vars[0];
if (COMMAND == "cyclenext") {
cycleNext();
return {};
} else if (COMMAND == "cycleprev") {
cyclePrev();
return {};
}
return std::unexpected(std::format("Unknown monocle layoutmsg: {}", COMMAND));
}
std::optional<Vector2D> CMonocleAlgorithm::predictSizeForNewTarget() {
const auto WORK_AREA = m_parent->space()->workArea();
return WORK_AREA.size();
}
void CMonocleAlgorithm::swapTargets(SP<ITarget> a, SP<ITarget> b) {
auto nodeA = dataFor(a);
auto nodeB = dataFor(b);
if (nodeA)
nodeA->target = b;
if (nodeB)
nodeB->target = a;
recalculate();
}
void CMonocleAlgorithm::moveTargetInDirection(SP<ITarget> t, Math::eDirection dir, bool silent) {
// try to find a monitor in the specified direction, thats the logical thing
if (!t || !t->space() || !t->space()->workspace())
return;
const auto PMONINDIR = g_pCompositor->getMonitorInDirection(t->space()->workspace()->m_monitor.lock(), dir);
// if we found a monitor, move the window there
if (PMONINDIR && PMONINDIR != t->space()->workspace()->m_monitor.lock()) {
const auto TARGETWS = PMONINDIR->m_activeWorkspace;
if (t->window())
t->window()->setAnimationsToMove();
t->assignToSpace(TARGETWS->m_space);
}
}
void CMonocleAlgorithm::cycleNext() {
if (m_targetDatas.empty())
return;
m_currentVisibleIndex = (m_currentVisibleIndex + 1) % m_targetDatas.size();
updateVisible();
}
void CMonocleAlgorithm::cyclePrev() {
if (m_targetDatas.empty())
return;
m_currentVisibleIndex--;
if (m_currentVisibleIndex < 0)
m_currentVisibleIndex = m_targetDatas.size() - 1;
updateVisible();
}
void CMonocleAlgorithm::focusTargetUpdate(SP<ITarget> target) {
auto it = std::ranges::find_if(m_targetDatas, [target](const auto& data) { return data->target.lock() == target; });
if (it == m_targetDatas.end())
return;
const auto NEW_INDEX = std::distance(m_targetDatas.begin(), it);
if (m_currentVisibleIndex != NEW_INDEX) {
m_currentVisibleIndex = NEW_INDEX;
updateVisible();
}
}
void CMonocleAlgorithm::updateVisible() {
recalculate();
const auto VISIBLE_TARGET = getVisibleTarget();
if (!VISIBLE_TARGET)
return;
const auto WINDOW = VISIBLE_TARGET->window();
if (!WINDOW)
return;
Desktop::focusState()->fullWindowFocus(WINDOW, Desktop::FOCUS_REASON_DESKTOP_STATE_CHANGE);
}
SP<ITarget> CMonocleAlgorithm::getVisibleTarget() {
if (m_currentVisibleIndex < 0 || m_currentVisibleIndex >= (int)m_targetDatas.size())
return nullptr;
return m_targetDatas[m_currentVisibleIndex]->target.lock();
}

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#pragma once
#include "../../TiledAlgorithm.hpp"
#include "../../../../managers/HookSystemManager.hpp"
#include <vector>
namespace Layout::Tiled {
struct SMonocleTargetData {
SMonocleTargetData(SP<ITarget> t) : target(t) {
;
}
WP<ITarget> target;
CBox layoutBox;
};
class CMonocleAlgorithm : public ITiledAlgorithm {
public:
CMonocleAlgorithm();
virtual ~CMonocleAlgorithm();
virtual void newTarget(SP<ITarget> target);
virtual void movedTarget(SP<ITarget> target, std::optional<Vector2D> focalPoint = std::nullopt);
virtual void removeTarget(SP<ITarget> target);
virtual void resizeTarget(const Vector2D& Δ, SP<ITarget> target, eRectCorner corner = CORNER_NONE);
virtual void recalculate();
virtual SP<ITarget> getNextCandidate(SP<ITarget> old);
virtual std::expected<void, std::string> layoutMsg(const std::string_view& sv);
virtual std::optional<Vector2D> predictSizeForNewTarget();
virtual void swapTargets(SP<ITarget> a, SP<ITarget> b);
virtual void moveTargetInDirection(SP<ITarget> t, Math::eDirection dir, bool silent);
private:
std::vector<SP<SMonocleTargetData>> m_targetDatas;
SP<HOOK_CALLBACK_FN> m_focusCallback;
int m_currentVisibleIndex = 0;
SP<SMonocleTargetData> dataFor(SP<ITarget> t);
void cycleNext();
void cyclePrev();
void focusTargetUpdate(SP<ITarget> target);
void updateVisible();
SP<ITarget> getVisibleTarget();
};
};

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#include "ScrollTapeController.hpp"
#include "ScrollingAlgorithm.hpp"
#include <algorithm>
#include <cmath>
using namespace Layout::Tiled;
CScrollTapeController::CScrollTapeController(eScrollDirection direction) : m_direction(direction) {
;
}
void CScrollTapeController::setDirection(eScrollDirection dir) {
m_direction = dir;
}
eScrollDirection CScrollTapeController::getDirection() const {
return m_direction;
}
bool CScrollTapeController::isPrimaryHorizontal() const {
return m_direction == SCROLL_DIR_RIGHT || m_direction == SCROLL_DIR_LEFT;
}
bool CScrollTapeController::isReversed() const {
return m_direction == SCROLL_DIR_LEFT || m_direction == SCROLL_DIR_UP;
}
size_t CScrollTapeController::stripCount() const {
return m_strips.size();
}
SStripData& CScrollTapeController::getStrip(size_t index) {
return m_strips[index];
}
const SStripData& CScrollTapeController::getStrip(size_t index) const {
return m_strips[index];
}
void CScrollTapeController::setOffset(double offset) {
m_offset = offset;
}
double CScrollTapeController::getOffset() const {
return m_offset;
}
void CScrollTapeController::adjustOffset(double delta) {
m_offset += delta;
}
size_t CScrollTapeController::addStrip(float size) {
m_strips.emplace_back();
m_strips.back().size = size;
return m_strips.size() - 1;
}
void CScrollTapeController::insertStrip(size_t afterIndex, float size) {
if (afterIndex >= m_strips.size()) {
addStrip(size);
return;
}
SStripData newStrip;
newStrip.size = size;
m_strips.insert(m_strips.begin() + afterIndex + 1, newStrip);
}
void CScrollTapeController::removeStrip(size_t index) {
if (index < m_strips.size())
m_strips.erase(m_strips.begin() + index);
}
double CScrollTapeController::getPrimary(const Vector2D& v) const {
return isPrimaryHorizontal() ? v.x : v.y;
}
double CScrollTapeController::getSecondary(const Vector2D& v) const {
return isPrimaryHorizontal() ? v.y : v.x;
}
void CScrollTapeController::setPrimary(Vector2D& v, double val) const {
if (isPrimaryHorizontal())
v.x = val;
else
v.y = val;
}
void CScrollTapeController::setSecondary(Vector2D& v, double val) const {
if (isPrimaryHorizontal())
v.y = val;
else
v.x = val;
}
Vector2D CScrollTapeController::makeVector(double primary, double secondary) const {
if (isPrimaryHorizontal())
return {primary, secondary};
else
return {secondary, primary};
}
double CScrollTapeController::calculateMaxExtent(const CBox& usableArea, bool fullscreenOnOne) const {
if (m_strips.empty())
return 0.0;
if (fullscreenOnOne && m_strips.size() == 1)
return getPrimary(usableArea.size());
double total = 0.0;
const double usablePrimary = getPrimary(usableArea.size());
for (const auto& strip : m_strips) {
total += usablePrimary * strip.size;
}
return total;
}
double CScrollTapeController::calculateStripStart(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne) const {
if (stripIndex >= m_strips.size())
return 0.0;
const double usablePrimary = getPrimary(usableArea.size());
double current = 0.0;
for (size_t i = 0; i < stripIndex; ++i) {
const double stripSize = (fullscreenOnOne && m_strips.size() == 1) ? usablePrimary : usablePrimary * m_strips[i].size;
current += stripSize;
}
return current;
}
double CScrollTapeController::calculateStripSize(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne) const {
if (stripIndex >= m_strips.size())
return 0.0;
const double usablePrimary = getPrimary(usableArea.size());
if (fullscreenOnOne && m_strips.size() == 1)
return usablePrimary;
return usablePrimary * m_strips[stripIndex].size;
}
CBox CScrollTapeController::calculateTargetBox(size_t stripIndex, size_t targetIndex, const CBox& usableArea, const Vector2D& workspaceOffset, bool fullscreenOnOne) {
if (stripIndex >= m_strips.size())
return {};
const auto& strip = m_strips[stripIndex];
if (targetIndex >= strip.targetSizes.size())
return {};
const double usableSecondary = getSecondary(usableArea.size());
const double usablePrimary = getPrimary(usableArea.size());
const double cameraOffset = calculateCameraOffset(usableArea, fullscreenOnOne);
// calculate position along primary axis (strip position)
double primaryPos = calculateStripStart(stripIndex, usableArea, fullscreenOnOne);
double primarySize = calculateStripSize(stripIndex, usableArea, fullscreenOnOne);
// calculate position along secondary axis (within strip)
double secondaryPos = 0.0;
for (size_t i = 0; i < targetIndex; ++i) {
secondaryPos += strip.targetSizes[i] * usableSecondary;
}
double secondarySize = strip.targetSizes[targetIndex] * usableSecondary;
// apply camera offset based on direction
// for RIGHT/DOWN: scroll offset moves content left/up (subtract)
// for LEFT/UP: scroll offset moves content right/down (different coordinate system)
if (m_direction == SCROLL_DIR_LEFT) {
// LEFT: flip the entire primary axis, then apply offset
primaryPos = usablePrimary - primaryPos - primarySize + cameraOffset;
} else if (m_direction == SCROLL_DIR_UP) {
// UP: flip the entire primary axis, then apply offset
primaryPos = usablePrimary - primaryPos - primarySize + cameraOffset;
} else {
// RIGHT/DOWN: normal offset
primaryPos -= cameraOffset;
}
// create the box in primary/secondary coordinates
Vector2D pos = makeVector(primaryPos, secondaryPos);
Vector2D size = makeVector(primarySize, secondarySize);
// translate to workspace position
pos = pos + workspaceOffset;
return CBox{pos, size};
}
double CScrollTapeController::calculateCameraOffset(const CBox& usableArea, bool fullscreenOnOne) {
const double maxExtent = calculateMaxExtent(usableArea, fullscreenOnOne);
const double usablePrimary = getPrimary(usableArea.size());
// don't adjust the offset if we are dragging
if (isBeingDragged())
return m_offset;
// if the content fits in viewport, center it
if (maxExtent < usablePrimary)
m_offset = std::round((maxExtent - usablePrimary) / 2.0);
// if the offset is negative but we already extended, reset offset to 0
if (maxExtent > usablePrimary && m_offset < 0.0)
m_offset = 0.0;
return m_offset;
}
Vector2D CScrollTapeController::getCameraTranslation(const CBox& usableArea, bool fullscreenOnOne) {
const double offset = calculateCameraOffset(usableArea, fullscreenOnOne);
if (isReversed())
return makeVector(offset, 0.0);
else
return makeVector(-offset, 0.0);
}
void CScrollTapeController::centerStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne) {
if (stripIndex >= m_strips.size())
return;
const double usablePrimary = getPrimary(usableArea.size());
const double stripStart = calculateStripStart(stripIndex, usableArea, fullscreenOnOne);
const double stripSize = calculateStripSize(stripIndex, usableArea, fullscreenOnOne);
m_offset = stripStart - (usablePrimary - stripSize) / 2.0;
}
void CScrollTapeController::fitStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne) {
if (stripIndex >= m_strips.size())
return;
const double usablePrimary = getPrimary(usableArea.size());
const double stripStart = calculateStripStart(stripIndex, usableArea, fullscreenOnOne);
const double stripSize = calculateStripSize(stripIndex, usableArea, fullscreenOnOne);
m_offset = std::clamp(m_offset, stripStart - usablePrimary + stripSize, stripStart);
}
bool CScrollTapeController::isStripVisible(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne) const {
if (stripIndex >= m_strips.size())
return false;
const double stripStart = calculateStripStart(stripIndex, usableArea, fullscreenOnOne);
const double stripEnd = stripStart + calculateStripSize(stripIndex, usableArea, fullscreenOnOne);
const double viewStart = m_offset;
const double viewEnd = m_offset + getPrimary(usableArea.size());
return stripStart < viewEnd && viewStart < stripEnd;
}
size_t CScrollTapeController::getStripAtCenter(const CBox& usableArea, bool fullscreenOnOne) const {
if (m_strips.empty())
return 0;
const double usablePrimary = getPrimary(usableArea.size());
double currentPos = m_offset;
for (size_t i = 0; i < m_strips.size(); ++i) {
const double stripSize = calculateStripSize(i, usableArea, fullscreenOnOne);
currentPos += stripSize;
if (currentPos >= usablePrimary / 2.0 - 2.0)
return i;
}
return m_strips.empty() ? 0 : m_strips.size() - 1;
}
void CScrollTapeController::swapStrips(size_t a, size_t b) {
if (a >= m_strips.size() || b >= m_strips.size())
return;
std::swap(m_strips.at(a), m_strips.at(b));
}
bool CScrollTapeController::isBeingDragged() const {
for (const auto& s : m_strips) {
if (!s.userData)
continue;
for (const auto& d : s.userData->targetDatas) {
if (d->target == g_layoutManager->dragController()->target())
return true;
}
}
return false;
}

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#pragma once
#include "../../../../helpers/math/Math.hpp"
#include "../../../../helpers/memory/Memory.hpp"
#include <vector>
namespace Layout::Tiled {
struct SColumnData;
enum eScrollDirection : uint8_t {
SCROLL_DIR_RIGHT = 0,
SCROLL_DIR_LEFT,
SCROLL_DIR_DOWN,
SCROLL_DIR_UP,
};
struct SStripData {
float size = 1.F; // size along primary axis
std::vector<float> targetSizes; // sizes along secondary axis for each target in this strip
WP<SColumnData> userData;
SStripData() = default;
};
struct STapeLayoutResult {
CBox box;
size_t stripIndex = 0;
size_t targetIndex = 0;
};
class CScrollTapeController {
public:
CScrollTapeController(eScrollDirection direction = SCROLL_DIR_RIGHT);
~CScrollTapeController() = default;
void setDirection(eScrollDirection dir);
eScrollDirection getDirection() const;
bool isPrimaryHorizontal() const;
bool isReversed() const;
size_t addStrip(float size = 1.0F);
void insertStrip(size_t afterIndex, float size = 1.0F);
void removeStrip(size_t index);
size_t stripCount() const;
SStripData& getStrip(size_t index);
const SStripData& getStrip(size_t index) const;
void swapStrips(size_t a, size_t b);
void setOffset(double offset);
double getOffset() const;
void adjustOffset(double delta);
double calculateMaxExtent(const CBox& usableArea, bool fullscreenOnOne = false) const;
double calculateStripStart(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false) const;
double calculateStripSize(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false) const;
CBox calculateTargetBox(size_t stripIndex, size_t targetIndex, const CBox& usableArea, const Vector2D& workspaceOffset, bool fullscreenOnOne = false);
double calculateCameraOffset(const CBox& usableArea, bool fullscreenOnOne = false);
Vector2D getCameraTranslation(const CBox& usableArea, bool fullscreenOnOne = false);
void centerStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false);
void fitStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false);
bool isStripVisible(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false) const;
size_t getStripAtCenter(const CBox& usableArea, bool fullscreenOnOne = false) const;
private:
eScrollDirection m_direction = SCROLL_DIR_RIGHT;
std::vector<SStripData> m_strips;
double m_offset = 0.0;
double getPrimary(const Vector2D& v) const;
double getSecondary(const Vector2D& v) const;
void setPrimary(Vector2D& v, double val) const;
void setSecondary(Vector2D& v, double val) const;
bool isBeingDragged() const;
Vector2D makeVector(double primary, double secondary) const;
};
};

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#pragma once
#include "../../TiledAlgorithm.hpp"
#include "../../../../managers/HookSystemManager.hpp"
#include "../../../../helpers/math/Direction.hpp"
#include "ScrollTapeController.hpp"
#include <vector>
namespace Layout::Tiled {
class CScrollingAlgorithm;
struct SColumnData;
struct SScrollingData;
struct SScrollingTargetData {
SScrollingTargetData(SP<ITarget> t, SP<SColumnData> col) : target(t), column(col) {
;
}
WP<ITarget> target;
WP<SColumnData> column;
bool ignoreFullscreenChecks = false;
CBox layoutBox;
};
struct SColumnData {
SColumnData(SP<SScrollingData> data) : scrollingData(data) {
;
}
void add(SP<ITarget> t);
void add(SP<ITarget> t, int after);
void add(SP<SScrollingTargetData> w);
void add(SP<SScrollingTargetData> w, int after);
void remove(SP<ITarget> t);
bool has(SP<ITarget> t);
size_t idx(SP<ITarget> t);
// index of lowest target that is above y.
size_t idxForHeight(float y);
void up(SP<SScrollingTargetData> w);
void down(SP<SScrollingTargetData> w);
SP<SScrollingTargetData> next(SP<SScrollingTargetData> w);
SP<SScrollingTargetData> prev(SP<SScrollingTargetData> w);
std::vector<SP<SScrollingTargetData>> targetDatas;
WP<SScrollingData> scrollingData;
WP<SScrollingTargetData> lastFocusedTarget;
WP<SColumnData> self;
// Helper methods to access controller-managed data
float getColumnWidth() const;
void setColumnWidth(float width);
float getTargetSize(size_t idx) const;
void setTargetSize(size_t idx, float size);
float getTargetSize(SP<SScrollingTargetData> target) const;
void setTargetSize(SP<SScrollingTargetData> target, float size);
};
struct SScrollingData {
SScrollingData(CScrollingAlgorithm* algo);
std::vector<SP<SColumnData>> columns;
UP<CScrollTapeController> controller;
SP<SColumnData> add();
SP<SColumnData> add(int after);
int64_t idx(SP<SColumnData> c);
void remove(SP<SColumnData> c);
double maxWidth();
SP<SColumnData> next(SP<SColumnData> c);
SP<SColumnData> prev(SP<SColumnData> c);
SP<SColumnData> atCenter();
bool visible(SP<SColumnData> c);
void centerCol(SP<SColumnData> c);
void fitCol(SP<SColumnData> c);
void centerOrFitCol(SP<SColumnData> c);
void recalculate(bool forceInstant = false);
CScrollingAlgorithm* algorithm = nullptr;
WP<SScrollingData> self;
std::optional<double> lockedCameraOffset;
};
class CScrollingAlgorithm : public ITiledAlgorithm {
public:
CScrollingAlgorithm();
virtual ~CScrollingAlgorithm();
virtual void newTarget(SP<ITarget> target);
virtual void movedTarget(SP<ITarget> target, std::optional<Vector2D> focalPoint = std::nullopt);
virtual void removeTarget(SP<ITarget> target);
virtual void resizeTarget(const Vector2D& Δ, SP<ITarget> target, eRectCorner corner = CORNER_NONE);
virtual void recalculate();
virtual SP<ITarget> getNextCandidate(SP<ITarget> old);
virtual std::expected<void, std::string> layoutMsg(const std::string_view& sv);
virtual std::optional<Vector2D> predictSizeForNewTarget();
virtual void swapTargets(SP<ITarget> a, SP<ITarget> b);
virtual void moveTargetInDirection(SP<ITarget> t, Math::eDirection dir, bool silent);
CBox usableArea();
private:
SP<SScrollingData> m_scrollingData;
SP<HOOK_CALLBACK_FN> m_configCallback;
SP<HOOK_CALLBACK_FN> m_focusCallback;
SP<HOOK_CALLBACK_FN> m_mouseButtonCallback;
struct {
std::vector<float> configuredWidths;
} m_config;
eScrollDirection getDynamicDirection();
SP<SScrollingTargetData> findBestNeighbor(SP<SScrollingTargetData> pCurrent, SP<SColumnData> pTargetCol);
SP<SScrollingTargetData> dataFor(SP<ITarget> t);
SP<SScrollingTargetData> closestNode(const Vector2D& posGlobglobgabgalab);
void focusTargetUpdate(SP<ITarget> target);
void moveTargetTo(SP<ITarget> t, Math::eDirection dir, bool silent);
void focusOnInput(SP<ITarget> target, bool hardInput);
friend struct SScrollingData;
};
};