diff options
Diffstat (limited to 'src/layout/LayoutManager.cpp')
| -rw-r--r-- | src/layout/LayoutManager.cpp | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/src/layout/LayoutManager.cpp b/src/layout/LayoutManager.cpp new file mode 100644 index 00000000..29caa0ea --- /dev/null +++ b/src/layout/LayoutManager.cpp @@ -0,0 +1,344 @@ +#include "LayoutManager.hpp" + +#include "space/Space.hpp" +#include "target/Target.hpp" + +#include "../config/ConfigManager.hpp" +#include "../Compositor.hpp" +#include "../managers/HookSystemManager.hpp" +#include "../desktop/state/FocusState.hpp" +#include "../desktop/view/Group.hpp" + +using namespace Layout; + +CLayoutManager::CLayoutManager() { + static auto P = g_pHookSystem->hookDynamic("monitorLayoutChanged", [](void* hk, SCallbackInfo& info, std::any param) { + for (const auto& ws : g_pCompositor->getWorkspaces()) { + ws->m_space->recheckWorkArea(); + } + }); +} + +void CLayoutManager::newTarget(SP<ITarget> target, SP<CSpace> space) { + // on a new target: remember desired pos for float, if available + if (const auto DESIRED_GEOM = target->desiredGeometry(); DESIRED_GEOM) + target->rememberFloatingSize(DESIRED_GEOM->size); + + target->assignToSpace(space); +} + +void CLayoutManager::removeTarget(SP<ITarget> target) { + target->assignToSpace(nullptr); +} + +void CLayoutManager::changeFloatingMode(SP<ITarget> target) { + if (!target->space()) + return; + + target->space()->toggleTargetFloating(target); +} + +void CLayoutManager::beginDragTarget(SP<ITarget> target, eMouseBindMode mode) { + m_dragStateController->dragBegin(target, mode); +} + +void CLayoutManager::moveMouse(const Vector2D& mousePos) { + m_dragStateController->mouseMove(mousePos); +} + +void CLayoutManager::resizeTarget(const Vector2D& Δ, SP<ITarget> target, eRectCorner corner) { + if (target->isPseudo()) { + auto fixedΔ = Δ; + if (corner == CORNER_TOPLEFT || corner == CORNER_BOTTOMLEFT) + fixedΔ.x = -fixedΔ.x; + if (corner == CORNER_TOPLEFT || corner == CORNER_TOPRIGHT) + fixedΔ.y = -fixedΔ.y; + + auto newPseudoSize = target->pseudoSize() + fixedΔ; + const auto TARGET_TILE_SIZE = target->position().size(); + newPseudoSize.x = std::clamp(newPseudoSize.x, MIN_WINDOW_SIZE, TARGET_TILE_SIZE.x); + newPseudoSize.y = std::clamp(newPseudoSize.y, MIN_WINDOW_SIZE, TARGET_TILE_SIZE.y); + + target->setPseudoSize(newPseudoSize); + + return; + } + + target->space()->resizeTarget(Δ, target, corner); +} + +std::expected<void, std::string> CLayoutManager::layoutMsg(const std::string_view& sv) { + + const auto MONITOR = Desktop::focusState()->monitor(); + // forward to the active workspace + if (!MONITOR) + return std::unexpected("No monitor, can't find ws to target"); + + auto ws = MONITOR->m_activeSpecialWorkspace ? MONITOR->m_activeSpecialWorkspace : MONITOR->m_activeWorkspace; + + if (!ws) + return std::unexpected("No workspace, can't target"); + + return ws->m_space->layoutMsg(sv); +} + +void CLayoutManager::moveTarget(const Vector2D& Δ, SP<ITarget> target) { + if (!target->floating()) + return; + + target->space()->moveTarget(Δ, target); +} + +void CLayoutManager::endDragTarget() { + m_dragStateController->dragEnd(); +} + +void CLayoutManager::fullscreenRequestForTarget(SP<ITarget> target, eFullscreenMode currentEffectiveMode, eFullscreenMode effectiveMode) { + target->space()->setFullscreen(target, effectiveMode); +} + +void CLayoutManager::switchTargets(SP<ITarget> a, SP<ITarget> b, bool preserveFocus) { + + if (preserveFocus) { + a->swap(b); + return; + } + + const auto IS_A_ACTIVE = Desktop::focusState()->window() == a->window(); + const auto IS_B_ACTIVE = Desktop::focusState()->window() == b->window(); + + a->swap(b); + + if (IS_A_ACTIVE && b->window()) + Desktop::focusState()->fullWindowFocus(b->window(), Desktop::FOCUS_REASON_KEYBIND); + + if (IS_B_ACTIVE && a->window()) + Desktop::focusState()->fullWindowFocus(a->window(), Desktop::FOCUS_REASON_KEYBIND); +} + +void CLayoutManager::moveInDirection(SP<ITarget> target, const std::string& direction, bool silent) { + Math::eDirection dir = Math::fromChar(direction.at(0)); + if (dir == Math::DIRECTION_DEFAULT) { + Log::logger->log(Log::ERR, "invalid direction for moveInDirection: {}", direction); + return; + } + + target->space()->moveTargetInDirection(target, dir, silent); +} + +SP<ITarget> CLayoutManager::getNextCandidate(SP<CSpace> space, SP<ITarget> from) { + return space->getNextCandidate(from); +} + +bool CLayoutManager::isReachable(SP<ITarget> target) { + return true; +} + +void CLayoutManager::bringTargetToTop(SP<ITarget> target) { + if (!target) + return; + + if (target->window()->m_group) { + // grouped, change the current to this window + target->window()->m_group->setCurrent(target->window()); + } +} + +std::optional<Vector2D> CLayoutManager::predictSizeForNewTiledTarget() { + const auto FOCUSED_MON = Desktop::focusState()->monitor(); + + if (!FOCUSED_MON || !FOCUSED_MON->m_activeWorkspace) + return std::nullopt; + + if (FOCUSED_MON->m_activeSpecialWorkspace) + return FOCUSED_MON->m_activeSpecialWorkspace->m_space->predictSizeForNewTiledTarget(); + + return FOCUSED_MON->m_activeWorkspace->m_space->predictSizeForNewTiledTarget(); +} + +const UP<Supplementary::CDragStateController>& CLayoutManager::dragController() { + return m_dragStateController; +} + +static inline bool canSnap(const double SIDEA, const double SIDEB, const double GAP) { + return std::abs(SIDEA - SIDEB) < GAP; +} + +static void snapMove(double& start, double& end, const double P) { + end = P + (end - start); + start = P; +} + +static void snapResize(double& start, double& end, const double P) { + start = P; +} + +using SnapFn = std::function<void(double&, double&, const double)>; + +void CLayoutManager::performSnap(Vector2D& sourcePos, Vector2D& sourceSize, SP<ITarget> DRAGGINGTARGET, const eMouseBindMode MODE, const int CORNER, const Vector2D& BEGINSIZE) { + + const auto DRAGGINGWINDOW = DRAGGINGTARGET->window(); + + if (!Desktop::View::validMapped(DRAGGINGWINDOW)) + return; + + static auto SNAPWINDOWGAP = CConfigValue<Hyprlang::INT>("general:snap:window_gap"); + static auto SNAPMONITORGAP = CConfigValue<Hyprlang::INT>("general:snap:monitor_gap"); + static auto SNAPBORDEROVERLAP = CConfigValue<Hyprlang::INT>("general:snap:border_overlap"); + static auto SNAPRESPECTGAPS = CConfigValue<Hyprlang::INT>("general:snap:respect_gaps"); + + static auto PGAPSIN = CConfigValue<Hyprlang::CUSTOMTYPE>("general:gaps_in"); + static auto PGAPSOUT = CConfigValue<Hyprlang::CUSTOMTYPE>("general:gaps_out"); + const auto GAPSNONE = CCssGapData{0, 0, 0, 0}; + + const SnapFn SNAP = (MODE == MBIND_MOVE) ? snapMove : snapResize; + int snaps = 0; + + struct SRange { + double start = 0; + double end = 0; + }; + const auto EXTENTS = DRAGGINGWINDOW->getWindowExtentsUnified(Desktop::View::RESERVED_EXTENTS | Desktop::View::INPUT_EXTENTS); + SRange sourceX = {sourcePos.x - EXTENTS.topLeft.x, sourcePos.x + sourceSize.x + EXTENTS.bottomRight.x}; + SRange sourceY = {sourcePos.y - EXTENTS.topLeft.y, sourcePos.y + sourceSize.y + EXTENTS.bottomRight.y}; + + if (*SNAPWINDOWGAP) { + const double GAPSIZE = *SNAPWINDOWGAP; + const auto WSID = DRAGGINGWINDOW->workspaceID(); + const bool HASFULLSCREEN = DRAGGINGWINDOW->m_workspace && DRAGGINGWINDOW->m_workspace->m_hasFullscreenWindow; + + const auto* GAPSIN = *SNAPRESPECTGAPS ? sc<CCssGapData*>(PGAPSIN.ptr()->getData()) : &GAPSNONE; + const double GAPSX = GAPSIN->m_left + GAPSIN->m_right; + const double GAPSY = GAPSIN->m_top + GAPSIN->m_bottom; + + for (auto& other : g_pCompositor->m_windows) { + if ((HASFULLSCREEN && !other->m_createdOverFullscreen) || other == DRAGGINGWINDOW || other->workspaceID() != WSID || !other->m_isMapped || other->m_fadingOut || + other->isX11OverrideRedirect()) + continue; + + const CBox SURF = other->getWindowBoxUnified(Desktop::View::RESERVED_EXTENTS); + const SRange SURFBX = {SURF.x - GAPSX, SURF.x + SURF.w + GAPSX}; + const SRange SURFBY = {SURF.y - GAPSY, SURF.y + SURF.h + GAPSY}; + + // only snap windows if their ranges overlap in the opposite axis + if (sourceY.start <= SURFBY.end && SURFBY.start <= sourceY.end) { + if (CORNER & (CORNER_TOPLEFT | CORNER_BOTTOMLEFT) && canSnap(sourceX.start, SURFBX.end, GAPSIZE)) { + SNAP(sourceX.start, sourceX.end, SURFBX.end); + snaps |= SNAP_LEFT; + } else if (CORNER & (CORNER_TOPRIGHT | CORNER_BOTTOMRIGHT) && canSnap(sourceX.end, SURFBX.start, GAPSIZE)) { + SNAP(sourceX.end, sourceX.start, SURFBX.start); + snaps |= SNAP_RIGHT; + } + } + if (sourceX.start <= SURFBX.end && SURFBX.start <= sourceX.end) { + if (CORNER & (CORNER_TOPLEFT | CORNER_TOPRIGHT) && canSnap(sourceY.start, SURFBY.end, GAPSIZE)) { + SNAP(sourceY.start, sourceY.end, SURFBY.end); + snaps |= SNAP_UP; + } else if (CORNER & (CORNER_BOTTOMLEFT | CORNER_BOTTOMRIGHT) && canSnap(sourceY.end, SURFBY.start, GAPSIZE)) { + SNAP(sourceY.end, sourceY.start, SURFBY.start); + snaps |= SNAP_DOWN; + } + } + + // corner snapping + if (sourceX.start == SURFBX.end || SURFBX.start == sourceX.end) { + const SRange SURFY = {SURFBY.start + GAPSY, SURFBY.end - GAPSY}; + if (CORNER & (CORNER_TOPLEFT | CORNER_TOPRIGHT) && !(snaps & SNAP_UP) && canSnap(sourceY.start, SURFY.start, GAPSIZE)) { + SNAP(sourceY.start, sourceY.end, SURFY.start); + snaps |= SNAP_UP; + } else if (CORNER & (CORNER_BOTTOMLEFT | CORNER_BOTTOMRIGHT) && !(snaps & SNAP_DOWN) && canSnap(sourceY.end, SURFY.end, GAPSIZE)) { + SNAP(sourceY.end, sourceY.start, SURFY.end); + snaps |= SNAP_DOWN; + } + } + if (sourceY.start == SURFBY.end || SURFBY.start == sourceY.end) { + const SRange SURFX = {SURFBX.start + GAPSX, SURFBX.end - GAPSX}; + if (CORNER & (CORNER_TOPLEFT | CORNER_BOTTOMLEFT) && !(snaps & SNAP_LEFT) && canSnap(sourceX.start, SURFX.start, GAPSIZE)) { + SNAP(sourceX.start, sourceX.end, SURFX.start); + snaps |= SNAP_LEFT; + } else if (CORNER & (CORNER_TOPRIGHT | CORNER_BOTTOMRIGHT) && !(snaps & SNAP_RIGHT) && canSnap(sourceX.end, SURFX.end, GAPSIZE)) { + SNAP(sourceX.end, sourceX.start, SURFX.end); + snaps |= SNAP_RIGHT; + } + } + } + } + + if (*SNAPMONITORGAP) { + const double GAPSIZE = *SNAPMONITORGAP; + const auto EXTENTNONE = SBoxExtents{{0, 0}, {0, 0}}; + const auto* EXTENTDIFF = *SNAPBORDEROVERLAP ? &EXTENTS : &EXTENTNONE; + const auto MON = DRAGGINGWINDOW->m_monitor.lock(); + + const auto* GAPSOUT = *SNAPRESPECTGAPS ? sc<CCssGapData*>(PGAPSOUT.ptr()->getData()) : &GAPSNONE; + const auto WORK_AREA = Desktop::CReservedArea{GAPSOUT->m_top, GAPSOUT->m_right, GAPSOUT->m_bottom, GAPSOUT->m_left}.apply(MON->logicalBoxMinusReserved()); + + SRange monX = {WORK_AREA.x, WORK_AREA.x + WORK_AREA.w}; + SRange monY = {WORK_AREA.y, WORK_AREA.y + WORK_AREA.h}; + + const bool HAS_LEFT = MON->m_reservedArea.left() > 0; + const bool HAS_TOP = MON->m_reservedArea.top() > 0; + const bool HAS_BOTTOM = MON->m_reservedArea.bottom() > 0; + const bool HAS_RIGHT = MON->m_reservedArea.right() > 0; + + if (CORNER & (CORNER_TOPLEFT | CORNER_BOTTOMLEFT) && + ((HAS_LEFT && canSnap(sourceX.start, monX.start, GAPSIZE)) || canSnap(sourceX.start, (monX.start -= MON->m_reservedArea.left() + EXTENTDIFF->topLeft.x), GAPSIZE))) { + SNAP(sourceX.start, sourceX.end, monX.start); + snaps |= SNAP_LEFT; + } + if (CORNER & (CORNER_TOPRIGHT | CORNER_BOTTOMRIGHT) && + ((HAS_RIGHT && canSnap(sourceX.end, monX.end, GAPSIZE)) || canSnap(sourceX.end, (monX.end += MON->m_reservedArea.right() + EXTENTDIFF->bottomRight.x), GAPSIZE))) { + SNAP(sourceX.end, sourceX.start, monX.end); + snaps |= SNAP_RIGHT; + } + if (CORNER & (CORNER_TOPLEFT | CORNER_TOPRIGHT) && + ((HAS_TOP && canSnap(sourceY.start, monY.start, GAPSIZE)) || canSnap(sourceY.start, (monY.start -= MON->m_reservedArea.top() + EXTENTDIFF->topLeft.y), GAPSIZE))) { + SNAP(sourceY.start, sourceY.end, monY.start); + snaps |= SNAP_UP; + } + if (CORNER & (CORNER_BOTTOMLEFT | CORNER_BOTTOMRIGHT) && + ((HAS_BOTTOM && canSnap(sourceY.end, monY.end, GAPSIZE)) || canSnap(sourceY.end, (monY.end += MON->m_reservedArea.bottom() + EXTENTDIFF->bottomRight.y), GAPSIZE))) { + SNAP(sourceY.end, sourceY.start, monY.end); + snaps |= SNAP_DOWN; + } + } + + // remove extents from main surface + sourceX = {sourceX.start + EXTENTS.topLeft.x, sourceX.end - EXTENTS.bottomRight.x}; + sourceY = {sourceY.start + EXTENTS.topLeft.y, sourceY.end - EXTENTS.bottomRight.y}; + + if (MODE == MBIND_RESIZE_FORCE_RATIO) { + if ((CORNER & (CORNER_TOPLEFT | CORNER_BOTTOMLEFT) && snaps & SNAP_LEFT) || (CORNER & (CORNER_TOPRIGHT | CORNER_BOTTOMRIGHT) && snaps & SNAP_RIGHT)) { + const double SIZEY = (sourceX.end - sourceX.start) * (BEGINSIZE.y / BEGINSIZE.x); + if (CORNER & (CORNER_TOPLEFT | CORNER_TOPRIGHT)) + sourceY.start = sourceY.end - SIZEY; + else + sourceY.end = sourceY.start + SIZEY; + } else if ((CORNER & (CORNER_TOPLEFT | CORNER_TOPRIGHT) && snaps & SNAP_UP) || (CORNER & (CORNER_BOTTOMLEFT | CORNER_BOTTOMRIGHT) && snaps & SNAP_DOWN)) { + const double SIZEX = (sourceY.end - sourceY.start) * (BEGINSIZE.x / BEGINSIZE.y); + if (CORNER & (CORNER_TOPLEFT | CORNER_BOTTOMLEFT)) + sourceX.start = sourceX.end - SIZEX; + else + sourceX.end = sourceX.start + SIZEX; + } + } + + sourcePos = {sourceX.start, sourceY.start}; + sourceSize = {sourceX.end - sourceX.start, sourceY.end - sourceY.start}; +} + +void CLayoutManager::recalculateMonitor(PHLMONITOR m) { + if (m->m_activeSpecialWorkspace) + m->m_activeSpecialWorkspace->m_space->recalculate(); + if (m->m_activeWorkspace) + m->m_activeWorkspace->m_space->recalculate(); +} + +void CLayoutManager::invalidateMonitorGeometries(PHLMONITOR m) { + for (const auto& ws : g_pCompositor->getWorkspaces()) { + if (ws && ws->m_monitor == m) { + ws->m_space->recheckWorkArea(); + ws->m_space->recalculate(); + } + } +} |