Added swipe workspace gestures

11 files changed, 216 insertions, 4 deletions

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index a8a3116a..52a873d7 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -123,6 +123,8 @@ CCompositor::CCompositor() {
 
     wlr_xdg_foreign_v1_create(m_sWLDisplay, m_sWLRForeignRegistry);
     wlr_xdg_foreign_v2_create(m_sWLDisplay, m_sWLRForeignRegistry);
+
+    m_sWLRPointerGestures = wlr_pointer_gestures_v1_create(m_sWLDisplay);
 }
 
 CCompositor::~CCompositor() {
@@ -142,6 +144,9 @@ void CCompositor::initAllSignals() {
     addWLSignal(&m_sWLRCursor->events.button, &Events::listen_mouseButton, m_sWLRCursor, "WLRCursor");
     addWLSignal(&m_sWLRCursor->events.axis, &Events::listen_mouseAxis, m_sWLRCursor, "WLRCursor");
     addWLSignal(&m_sWLRCursor->events.frame, &Events::listen_mouseFrame, m_sWLRCursor, "WLRCursor");
+    addWLSignal(&m_sWLRCursor->events.swipe_begin, &Events::listen_swipeBegin, m_sWLRCursor, "WLRCursor");
+    addWLSignal(&m_sWLRCursor->events.swipe_update, &Events::listen_swipeUpdate, m_sWLRCursor, "WLRCursor");
+    addWLSignal(&m_sWLRCursor->events.swipe_end, &Events::listen_swipeEnd, m_sWLRCursor, "WLRCursor");
     addWLSignal(&m_sWLRBackend->events.new_input, &Events::listen_newInput, m_sWLRBackend, "Backend");
     addWLSignal(&m_sSeat.seat->events.request_set_cursor, &Events::listen_requestMouse, &m_sSeat, "Seat");
     addWLSignal(&m_sSeat.seat->events.request_set_selection, &Events::listen_requestSetSel, &m_sSeat, "Seat");
@@ -1204,4 +1209,13 @@ CWindow* CCompositor::getX11Parent(CWindow* pWindow) {
     }
     
     return nullptr;
-}
\ No newline at end of file
+}
+
+void CCompositor::updateWorkspaceWindowDecos(const int& id) {
+    for (auto& w : m_vWindows) {
+        if (w->m_iWorkspaceID != id)
+            continue;
+
+        w->updateWindowDecos();
+    }
+}
diff --git a/src/Compositor.hpp b/src/Compositor.hpp
index 187c7159..70334403 100644
--- a/src/Compositor.hpp
+++ b/src/Compositor.hpp
@@ -62,6 +62,7 @@ public:
     wlr_tablet_manager_v2*           m_sWLRTabletManager;
     wlr_xdg_foreign_registry*        m_sWLRForeignRegistry;
     wlr_idle_inhibit_manager_v1*     m_sWLRIdleInhibitMgr;
+    wlr_pointer_gestures_v1*         m_sWLRPointerGestures;
     // ------------------------------------------------- //
 
 
@@ -114,6 +115,7 @@ public:
     CWorkspace*             getWorkspaceByName(const std::string&);
     CWorkspace*             getWorkspaceByString(const std::string&);
     void                    sanityCheckWorkspaces();
+    void                    updateWorkspaceWindowDecos(const int&);
     int                     getWindowsOnWorkspace(const int&);
     CWindow*                getFirstWindowOnWorkspace(const int&);
     void                    fixXWaylandWindowsOnWorkspace(const int&);
diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 2e594a4f..a20ac431 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -105,6 +105,12 @@ void CConfigManager::setDefaultVars() {
     configValues["input:touchpad:middle_button_emulation"].intValue = 0;
     configValues["input:touchpad:tap-to-click"].intValue = 1;
 
+    configValues["gestures:workspace_swipe"].intValue = 0;
+    configValues["gestures:workspace_swipe_distance"].intValue = 300;
+    configValues["gestures:workspace_swipe_invert"].intValue = 1;
+    configValues["gestures:workspace_swipe_min_speed_to_force"].intValue = 30;
+    configValues["gestures:workspace_swipe_cancel_ratio"].floatValue = 0.5f;
+
     configValues["input:follow_mouse"].intValue = 1;
 
     configValues["autogenerated"].intValue = 0;
diff --git a/src/events/Devices.cpp b/src/events/Devices.cpp
index adbe268e..eae04bc3 100644
--- a/src/events/Devices.cpp
+++ b/src/events/Devices.cpp
@@ -158,4 +158,22 @@ void Events::listener_destroyMouse(void* owner, void* data) {
     const auto PMOUSE = (SMouse*)owner;
 
     g_pInputManager->destroyMouse(PMOUSE->mouse);
-}
\ No newline at end of file
+}
+
+void Events::listener_swipeBegin(wl_listener* listener, void* data) {
+    const auto EVENT = (wlr_pointer_swipe_begin_event*)data;
+
+    g_pInputManager->onSwipeBegin(EVENT);
+}
+
+void Events::listener_swipeUpdate(wl_listener* listener, void* data) {
+    const auto EVENT = (wlr_pointer_swipe_update_event*)data;
+
+    g_pInputManager->onSwipeUpdate(EVENT);
+}
+
+void Events::listener_swipeEnd(wl_listener* listener, void* data) {
+    const auto EVENT = (wlr_pointer_swipe_end_event*)data;
+
+    g_pInputManager->onSwipeEnd(EVENT);
+}
diff --git a/src/events/Events.hpp b/src/events/Events.hpp
index ceade1cc..de7f1d04 100644
--- a/src/events/Events.hpp
+++ b/src/events/Events.hpp
@@ -114,4 +114,8 @@ namespace Events {
     LISTENER(RendererDestroy);
 
     LISTENER(newIdleInhibitor);
+
+    LISTENER(swipeBegin);
+    LISTENER(swipeEnd);
+    LISTENER(swipeUpdate);
 };
\ No newline at end of file
diff --git a/src/helpers/WLClasses.hpp b/src/helpers/WLClasses.hpp
index b06390b5..b6c38416 100644
--- a/src/helpers/WLClasses.hpp
+++ b/src/helpers/WLClasses.hpp
@@ -239,3 +239,14 @@ struct SIdleInhibitor {
         return pWlrInhibitor == b.pWlrInhibitor;
     }
 };
+
+struct SSwipeGesture {
+    CWorkspace*  pWorkspaceBegin = nullptr;
+
+    double       delta = 0;
+
+    float        avgSpeed = 0;
+    int          speedPoints = 0;
+
+    SMonitor*    pMonitor = nullptr;
+};
\ No newline at end of file
diff --git a/src/helpers/Workspace.hpp b/src/helpers/Workspace.hpp
index 2d0c5941..dbf0e7c0 100644
--- a/src/helpers/Workspace.hpp
+++ b/src/helpers/Workspace.hpp
@@ -28,6 +28,7 @@ public:
     // for animations
     CAnimatedVariable m_vRenderOffset;
     CAnimatedVariable m_fAlpha;
+    bool              m_bForceRendering = true;
 
     // "scratchpad"
     bool            m_bIsSpecialWorkspace = false;
diff --git a/src/includes.hpp b/src/includes.hpp
index b73a95ae..e8367f50 100644
--- a/src/includes.hpp
+++ b/src/includes.hpp
@@ -92,6 +92,7 @@ extern "C" {
 #include <wlr/types/wlr_xdg_foreign_registry.h>
 #include <wlr/types/wlr_xdg_foreign_v1.h>
 #include <wlr/types/wlr_xdg_foreign_v2.h>
+#include <wlr/types/wlr_pointer_gestures_v1.h>
 }
 
 #undef class
diff --git a/src/managers/input/InputManager.hpp b/src/managers/input/InputManager.hpp
index 3c6fb33d..3c91718c 100644
--- a/src/managers/input/InputManager.hpp
+++ b/src/managers/input/InputManager.hpp
@@ -65,6 +65,12 @@ public:
     void            newIdleInhibitor(wlr_idle_inhibitor_v1*);
     void            recheckIdleInhibitorStatus();
 
+    void            onSwipeBegin(wlr_pointer_swipe_begin_event*);
+    void            onSwipeEnd(wlr_pointer_swipe_end_event*);
+    void            onSwipeUpdate(wlr_pointer_swipe_update_event*);
+
+    SSwipeGesture   m_sActiveSwipe;
+
     SKeyboard*      m_pActiveKeyboard = nullptr;
 
     CTimer          m_tmrLastCursorMovement;
diff --git a/src/managers/input/Swipe.cpp b/src/managers/input/Swipe.cpp
new file mode 100644
index 00000000..df88782f
--- /dev/null
+++ b/src/managers/input/Swipe.cpp
@@ -0,0 +1,149 @@
+#include "InputManager.hpp"
+#include "../../Compositor.hpp"
+
+void CInputManager::onSwipeBegin(wlr_pointer_swipe_begin_event* e) {
+
+    static auto *const PSWIPE = &g_pConfigManager->getConfigValuePtr("gestures:workspace_swipe")->intValue;
+
+    if (e->fingers < 3 || *PSWIPE == 0)
+        return;
+
+    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(g_pCompositor->m_pLastMonitor->activeWorkspace);
+
+    Debug::log(LOG, "Starting a swipe from %s", PWORKSPACE->m_szName.c_str());
+
+    m_sActiveSwipe.pWorkspaceBegin = PWORKSPACE;
+    m_sActiveSwipe.delta = 0;
+    m_sActiveSwipe.pMonitor = g_pCompositor->m_pLastMonitor;
+    m_sActiveSwipe.avgSpeed = 0;
+    m_sActiveSwipe.speedPoints = 0;
+}
+
+void CInputManager::onSwipeEnd(wlr_pointer_swipe_end_event* e) {
+
+    static auto *const PSWIPEPERC = &g_pConfigManager->getConfigValuePtr("gestures:workspace_swipe_cancel_ratio")->floatValue;
+    static auto *const PSWIPEDIST = &g_pConfigManager->getConfigValuePtr("gestures:workspace_swipe_distance")->intValue;
+    static auto *const PSWIPEFORC = &g_pConfigManager->getConfigValuePtr("gestures:workspace_swipe_min_speed_to_force")->intValue;
+
+    // commit
+    std::string wsname = "";
+    auto workspaceIDLeft = getWorkspaceIDFromString("m-1", wsname);
+    auto workspaceIDRight = getWorkspaceIDFromString("m+1", wsname);
+
+    const auto PWORKSPACER = g_pCompositor->getWorkspaceByID(workspaceIDRight);
+    const auto PWORKSPACEL = g_pCompositor->getWorkspaceByID(workspaceIDLeft);
+
+    const auto RENDEROFFSETMIDDLE = m_sActiveSwipe.pWorkspaceBegin->m_vRenderOffset.vec();
+
+    if ((abs(m_sActiveSwipe.delta) < *PSWIPEDIST * *PSWIPEPERC && (*PSWIPEFORC == 0 || (*PSWIPEFORC != 0 && m_sActiveSwipe.avgSpeed < *PSWIPEFORC))) || abs(m_sActiveSwipe.delta) < 2) {
+        // revert
+        if (m_sActiveSwipe.delta < 0) {
+            // to left
+            PWORKSPACEL->m_vRenderOffset = Vector2D({-m_sActiveSwipe.pMonitor->vecSize.x, 0});
+        } else {
+            // to right
+            PWORKSPACER->m_vRenderOffset = Vector2D({m_sActiveSwipe.pMonitor->vecSize.x, 0});
+        }
+
+        m_sActiveSwipe.pWorkspaceBegin->m_vRenderOffset = Vector2D();
+    } else if (m_sActiveSwipe.delta < 0) {
+        // switch to left
+        const auto RENDEROFFSET = PWORKSPACEL->m_vRenderOffset.vec();
+
+        g_pKeybindManager->m_mDispatchers["workspace"]("[internal]" + std::to_string(workspaceIDLeft));
+
+        PWORKSPACEL->m_vRenderOffset.setValue(RENDEROFFSET);
+        PWORKSPACEL->m_fAlpha.setValueAndWarp(255.f);
+
+        Debug::log(LOG, "Ended swipe to the left");
+    } else {
+        // switch to right
+        const auto RENDEROFFSET = PWORKSPACER->m_vRenderOffset.vec();
+
+        g_pKeybindManager->m_mDispatchers["workspace"]("[internal]" + std::to_string(workspaceIDRight));
+
+        PWORKSPACER->m_vRenderOffset.setValue(RENDEROFFSET);
+        PWORKSPACER->m_fAlpha.setValueAndWarp(255.f);
+
+        Debug::log(LOG, "Ended swipe to the right");
+    }
+
+    m_sActiveSwipe.pWorkspaceBegin->m_vRenderOffset.setValue(RENDEROFFSETMIDDLE);
+    m_sActiveSwipe.pWorkspaceBegin->m_fAlpha.setValueAndWarp(255.f);
+
+    PWORKSPACEL->m_bForceRendering = false;
+    PWORKSPACER->m_bForceRendering = false;
+    m_sActiveSwipe.pWorkspaceBegin->m_bForceRendering = false;
+
+    m_sActiveSwipe.pWorkspaceBegin = nullptr;
+
+    g_pInputManager->refocus();
+}
+
+void CInputManager::onSwipeUpdate(wlr_pointer_swipe_update_event* e) {
+    if (!m_sActiveSwipe.pWorkspaceBegin)
+        return;
+
+    static auto *const PSWIPEDIST = &g_pConfigManager->getConfigValuePtr("gestures:workspace_swipe_distance")->intValue;
+    static auto *const PSWIPEINVR = &g_pConfigManager->getConfigValuePtr("gestures:workspace_swipe_invert")->intValue;
+
+    m_sActiveSwipe.delta += *PSWIPEINVR ? -e->dx : e->dx;
+
+    m_sActiveSwipe.avgSpeed = (m_sActiveSwipe.avgSpeed * m_sActiveSwipe.speedPoints + abs(e->dx)) / (m_sActiveSwipe.speedPoints + 1);
+    m_sActiveSwipe.speedPoints++;
+
+    std::string wsname = "";
+    auto workspaceIDLeft = getWorkspaceIDFromString("m-1", wsname);
+    auto workspaceIDRight = getWorkspaceIDFromString("m+1", wsname);
+
+    if (workspaceIDLeft == INT_MAX || workspaceIDRight == INT_MAX)
+        return;
+
+    m_sActiveSwipe.delta = std::clamp(m_sActiveSwipe.delta, (double)-*PSWIPEDIST, (double)*PSWIPEDIST);
+
+    if (m_sActiveSwipe.delta < 0) {
+        if (workspaceIDLeft > m_sActiveSwipe.pWorkspaceBegin->m_iID){
+            m_sActiveSwipe.delta = 0;
+            return;
+        }
+
+        const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(workspaceIDLeft);
+
+        PWORKSPACE->m_bForceRendering = true;
+
+        if (workspaceIDLeft != workspaceIDRight) {
+            const auto PWORKSPACER = g_pCompositor->getWorkspaceByID(workspaceIDRight);
+
+            PWORKSPACER->m_bForceRendering = false;
+        }
+
+        PWORKSPACE->m_vRenderOffset.setValueAndWarp(Vector2D(((- m_sActiveSwipe.delta) / *PSWIPEDIST) * m_sActiveSwipe.pMonitor->vecSize.x - m_sActiveSwipe.pMonitor->vecSize.x, 0));
+        m_sActiveSwipe.pWorkspaceBegin->m_vRenderOffset.setValueAndWarp(Vector2D(((- m_sActiveSwipe.delta) / *PSWIPEDIST) * m_sActiveSwipe.pMonitor->vecSize.x, 0));
+
+        g_pCompositor->updateWorkspaceWindowDecos(workspaceIDLeft);
+    } else {
+        if (workspaceIDRight < m_sActiveSwipe.pWorkspaceBegin->m_iID){
+            m_sActiveSwipe.delta = 0;
+            return;
+        }
+
+        const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(workspaceIDRight);
+
+        PWORKSPACE->m_bForceRendering = true;
+
+        if (workspaceIDLeft != workspaceIDRight) {
+            const auto PWORKSPACEL = g_pCompositor->getWorkspaceByID(workspaceIDLeft);
+
+            PWORKSPACEL->m_bForceRendering = false;
+        }
+
+        PWORKSPACE->m_vRenderOffset.setValueAndWarp(Vector2D(((- m_sActiveSwipe.delta) / *PSWIPEDIST) * m_sActiveSwipe.pMonitor->vecSize.x + m_sActiveSwipe.pMonitor->vecSize.x, 0));
+        m_sActiveSwipe.pWorkspaceBegin->m_vRenderOffset.setValueAndWarp(Vector2D(((- m_sActiveSwipe.delta) / *PSWIPEDIST) * m_sActiveSwipe.pMonitor->vecSize.x, 0));
+
+        g_pCompositor->updateWorkspaceWindowDecos(workspaceIDRight);
+    }
+
+    g_pHyprRenderer->damageMonitor(m_sActiveSwipe.pMonitor);
+
+    g_pCompositor->updateWorkspaceWindowDecos(m_sActiveSwipe.pWorkspaceBegin->m_iID);
+}
\ No newline at end of file
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index aea9401c..909eef39 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -63,8 +63,8 @@ bool CHyprRenderer::shouldRenderWindow(CWindow* pWindow, SMonitor* pMonitor) {
         return true;
 
     const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(pWindow->m_iWorkspaceID);
-    // if not, check if it maybe is active on a different monitor.                    vvv might be animation in progress
-    if (g_pCompositor->isWorkspaceVisible(pWindow->m_iWorkspaceID) || (PWORKSPACE && PWORKSPACE->m_iMonitorID == pMonitor->ID && (PWORKSPACE->m_vRenderOffset.isBeingAnimated() || PWORKSPACE->m_fAlpha.isBeingAnimated())))
+    // if not, check if it maybe is active on a different monitor.                                                                                             vvv might be animation in progress
+    if (g_pCompositor->isWorkspaceVisible(pWindow->m_iWorkspaceID) || (PWORKSPACE && PWORKSPACE->m_iMonitorID == pMonitor->ID && PWORKSPACE->m_bForceRendering) || (PWORKSPACE && PWORKSPACE->m_iMonitorID == pMonitor->ID && (PWORKSPACE->m_vRenderOffset.isBeingAnimated() || PWORKSPACE->m_fAlpha.isBeingAnimated())))
         return true;
 
     if (pMonitor->specialWorkspaceOpen && pWindow->m_iWorkspaceID == SPECIAL_WORKSPACE_ID)