Added IHyprWindowDecoration and Group Bars

src/Window.cpp

@@ -13,4 +13,7 @@ CWindow::~CWindow() {
         g_pCompositor->m_pLastFocus = nullptr;
         g_pCompositor->m_pLastWindow = nullptr;
     }
+
+    for (auto& wd : m_dWindowDecorations)
+        delete wd;
 }

src/Window.hpp

@@ -4,6 +4,8 @@
 #include "events/Events.hpp"
 #include "helpers/SubsurfaceTree.hpp"
 #include "helpers/AnimatedVariable.hpp"
+#include "render/decorations/IHyprWindowDecoration.hpp"
+#include <deque>
 
 struct SWindowSpecialRenderData {
     float alpha = 1.f;
@@ -88,6 +90,9 @@ public:
     // For hidden windows and stuff
     bool            m_bHidden = false;
 
+    // Window decorations
+    std::deque<IHyprWindowDecoration*> m_dWindowDecorations;
+
     // Special render data, rules, etc
     SWindowSpecialRenderData m_sSpecialRenderData;
     SWindowAdditionalConfigData m_sAdditionalConfigData;

src/layout/DwindleLayout.cpp

@@ -275,6 +275,10 @@ void CHyprDwindleLayout::onWindowCreated(CWindow* pWindow) {
 
     if (OPENINGON->pGroupParent) {
         // means we opened on a group
+
+        // add the group deco
+        pWindow->m_dWindowDecorations.emplace_back(new CHyprGroupBarDecoration(pWindow));
+
         PNODE->pGroupParent = OPENINGON->pGroupParent;
         PNODE->pGroupParent->groupMembers.push_back(PNODE);
         PNODE->pGroupParent->groupMemberActive = PNODE->pGroupParent->groupMembers.size() - 1;
@@ -693,6 +697,10 @@ void CHyprDwindleLayout::toggleWindowGroup(CWindow* pWindow) {
         for (auto& node : PGROUPPARENT->groupMembers) {
             node->pGroupParent = nullptr;
             node->pWindow->m_cRealBorderColor.setValueAndWarp(INACTIVEBORDERCOL); // no anim here because they pop in
+
+            for (auto& wd : node->pWindow->m_dWindowDecorations) {
+                wd->updateWindow(node->pWindow);
+            }
         }   
         
         PGROUPPARENT->groupMembers.clear();
@@ -725,6 +733,8 @@ void CHyprDwindleLayout::toggleWindowGroup(CWindow* pWindow) {
             c->pGroupParent = PPARENT;
             c->pWindow->m_cRealBorderColor = GROUPINACTIVEBORDERCOL;
 
+            c->pWindow->m_dWindowDecorations.push_back(new CHyprGroupBarDecoration(c->pWindow));
+
             if (c->pWindow == g_pCompositor->m_pLastWindow)
                 c->pWindow->m_cRealBorderColor = CColor(g_pConfigManager->getInt("dwindle:col.group_border_active"));
         }
@@ -735,6 +745,31 @@ void CHyprDwindleLayout::toggleWindowGroup(CWindow* pWindow) {
     }
 }
 
+std::deque<CWindow*> CHyprDwindleLayout::getGroupMembers(CWindow* pWindow) {
+    
+    std::deque<CWindow*> result;
+
+    if (!g_pCompositor->windowExists(pWindow))
+        return result; // reject with empty
+
+    // get the node
+    const auto PNODE = getNodeFromWindow(pWindow);
+
+    if (!PNODE)
+        return result;  // reject with empty
+
+    const auto PGROUPPARENT = PNODE->pGroupParent;
+
+    if (!PGROUPPARENT)
+        return result;  // reject with empty
+
+    for (auto& node : PGROUPPARENT->groupMembers) {
+        result.push_back(node->pWindow);
+    }
+
+    return result;
+}
+
 void CHyprDwindleLayout::switchGroupWindow(CWindow* pWindow, bool forward) {
     if (!g_pCompositor->windowValidMapped(pWindow))
         return; // reject
@@ -760,6 +795,12 @@ void CHyprDwindleLayout::switchGroupWindow(CWindow* pWindow, bool forward) {
 
     PNODE->pGroupParent->recalcSizePosRecursive();
 
+    for (auto& gm : PNODE->pGroupParent->groupMembers) {
+        for (auto& deco : gm->pWindow->m_dWindowDecorations) {
+            deco->updateWindow(gm->pWindow);
+        }
+    }
+
     // focus
     g_pCompositor->focusWindow(PNODE->pGroupParent->groupMembers[PNODE->pGroupParent->groupMemberActive]->pWindow);
 }
@@ -850,7 +891,7 @@ void CHyprDwindleLayout::alterSplitRatioBy(CWindow* pWindow, float ratio) {
     PNODE->pParent->recalcSizePosRecursive();
 }
 
-void CHyprDwindleLayout::layoutMessage(SLayoutMessageHeader header, std::string message) {
+std::any CHyprDwindleLayout::layoutMessage(SLayoutMessageHeader header, std::string message) {
     if (message == "togglegroup")
         toggleWindowGroup(header.pWindow);
     else if (message == "changegroupactivef")
@@ -859,6 +900,12 @@ void CHyprDwindleLayout::layoutMessage(SLayoutMessageHeader header, std::string
         switchGroupWindow(header.pWindow, false);
     else if (message == "togglesplit")
         toggleSplit(header.pWindow);
+    else if (message == "groupinfo") {
+        auto res = getGroupMembers(g_pCompositor->m_pLastWindow);
+        return res;
+    }
+    
+    return "";
 }
 
 void CHyprDwindleLayout::toggleSplit(CWindow* pWindow) {
@@ -871,3 +918,7 @@ void CHyprDwindleLayout::toggleSplit(CWindow* pWindow) {
 
     PNODE->pParent->recalcSizePosRecursive();
 }
+
+std::string CHyprDwindleLayout::getLayoutName() {
+    return "dwindle";
+}

src/layout/DwindleLayout.hpp

@@ -3,6 +3,7 @@
 #include "IHyprLayout.hpp"
 #include <list>
 #include <deque>
+#include "../render/decorations/CHyprGroupBarDecoration.hpp"
 
 class CHyprDwindleLayout;
 
@@ -50,10 +51,11 @@ public:
     virtual void        onMouseMove(const Vector2D&);
     virtual void        onWindowCreatedFloating(CWindow*);
     virtual void        fullscreenRequestForWindow(CWindow*);
-    virtual void        layoutMessage(SLayoutMessageHeader, std::string);
+    virtual std::any    layoutMessage(SLayoutMessageHeader, std::string);
     virtual SWindowRenderLayoutHints requestRenderHints(CWindow*);
     virtual void        switchWindows(CWindow*, CWindow*);
     virtual void        alterSplitRatioBy(CWindow*, float);
+    virtual std::string getLayoutName();
 
    private:
 
@@ -73,6 +75,7 @@ public:
     void                toggleWindowGroup(CWindow*);
     void                switchGroupWindow(CWindow*, bool forward);
     void                toggleSplit(CWindow*);
+    std::deque<CWindow*> getGroupMembers(CWindow*);
 
     friend struct SDwindleNodeData;
 };

src/layout/IHyprLayout.hpp

@@ -75,8 +75,9 @@ public:
     /*
         Called when a dispatcher requests a custom message
         The layout is free to ignore. 
+        std::any is the reply. Can be empty.
     */
-    virtual void         layoutMessage(SLayoutMessageHeader, std::string)  = 0;
+    virtual std::any    layoutMessage(SLayoutMessageHeader, std::string)  = 0;
 
     /* 
         Required to be handled, but may return just SWindowRenderLayoutHints()
@@ -96,4 +97,9 @@ public:
         on a window
     */
     virtual void         alterSplitRatioBy(CWindow*, float)     = 0;
+
+    /*
+        Called when something wants the current layout's name
+    */
+    virtual std::string  getLayoutName() = 0;
 };

src/managers/AnimationManager.cpp

@@ -140,8 +140,12 @@ void CAnimationManager::tick() {
             case AVARDAMAGE_ENTIRE: {
                 g_pHyprRenderer->damageBox(&WLRBOXPREV);
 
-                if (PWINDOW)
+                if (PWINDOW) {
                     g_pHyprRenderer->damageWindow(PWINDOW);
+                    for (auto& wd : PWINDOW->m_dWindowDecorations) {
+                        wd->updateWindow(PWINDOW);
+                    }
+                }
                 break;
             }
             case AVARDAMAGE_BORDER: {

src/render/Renderer.cpp

@@ -109,6 +109,10 @@ void CHyprRenderer::renderWindow(CWindow* pWindow, SMonitor* pMonitor, timespec*
 
     g_pHyprOpenGL->m_pCurrentWindow = pWindow;
 
+    // render window decorations first
+    for (auto& wd : pWindow->m_dWindowDecorations)
+        wd->draw(pMonitor);
+
     wlr_surface_for_each_surface(g_pXWaylandManager->getWindowSurface(pWindow), renderSurface, &renderdata);
 
     if (pWindow->m_bIsX11) {

src/render/decorations/CHyprGroupBarDecoration.cpp

@@ -0,0 +1,99 @@
+#include "CHyprGroupBarDecoration.hpp"
+#include "../../Compositor.hpp"
+
+CHyprGroupBarDecoration::CHyprGroupBarDecoration(CWindow* pWindow) {
+    m_pWindow = pWindow;
+    updateWindow(pWindow);
+}
+
+CHyprGroupBarDecoration::~CHyprGroupBarDecoration() {
+
+}
+
+SWindowDecorationExtents CHyprGroupBarDecoration::getWindowDecorationExtents() {
+    return m_seExtents;
+}
+
+eDecorationType CHyprGroupBarDecoration::getDecorationType() {
+    return DECORATION_GROUPBAR;
+}
+
+void CHyprGroupBarDecoration::updateWindow(CWindow* pWindow) {
+    damageEntire();
+
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
+
+    if (pWindow->m_vRealPosition.vec() != m_vLastWindowPos || pWindow->m_vRealSize.vec() != m_vLastWindowSize) {
+        // we draw 3px above the window's border with 3px
+        const auto BORDERSIZE = g_pConfigManager->getInt("general:border_size");
+
+        m_seExtents.topLeft = Vector2D(0, BORDERSIZE + 3 + 3);
+        m_seExtents.bottomRight = Vector2D();
+
+        m_vLastWindowPos = pWindow->m_vRealPosition.vec();
+        m_vLastWindowSize = pWindow->m_vRealSize.vec();
+    }
+
+    // let's check if the window group is different.
+
+    if (g_pLayoutManager->getCurrentLayout()->getLayoutName() != "dwindle") {
+        // ????
+        for (auto it = pWindow->m_dWindowDecorations.begin(); it != pWindow->m_dWindowDecorations.end(); it++) {
+            if ((*it) == this) {
+                pWindow->m_dWindowDecorations.erase(it);
+                delete this;
+                return;
+            }
+        }
+    }
+
+    // get the group info
+    SLayoutMessageHeader header;
+    header.pWindow = g_pCompositor->m_pLastWindow;
+
+    m_dwGroupMembers = std::any_cast<std::deque<CWindow*>>(g_pLayoutManager->getCurrentLayout()->layoutMessage(header, "groupinfo"));
+
+    damageEntire();
+
+    if (m_dwGroupMembers.size() == 0) {
+        // remove
+        for (auto it = pWindow->m_dWindowDecorations.begin(); it != pWindow->m_dWindowDecorations.end(); it++) {
+            if ((*it) == this) {
+                pWindow->m_dWindowDecorations.erase(it);
+                delete this;
+                return;
+            }
+        }
+    }
+}
+
+void CHyprGroupBarDecoration::damageEntire() {
+    wlr_box dm = {m_vLastWindowPos.x - m_seExtents.topLeft.x, m_vLastWindowPos.y - m_seExtents.topLeft.y, m_vLastWindowSize.x + m_seExtents.topLeft.x + m_seExtents.bottomRight.x, m_seExtents.topLeft.y};
+    g_pHyprRenderer->damageBox(&dm);
+}
+
+void CHyprGroupBarDecoration::draw(SMonitor* pMonitor) {
+    // get how many bars we will draw
+    int barsToDraw = m_dwGroupMembers.size();
+
+    if (barsToDraw < 1 || m_pWindow->m_bHidden || !g_pCompositor->windowValidMapped(m_pWindow))
+        return;
+
+    const int PAD = 2; //2px
+
+    const int BARW = (m_vLastWindowSize.x - PAD * (barsToDraw - 1)) / barsToDraw;
+
+    int xoff = 0;
+
+    for (int i = 0; i < barsToDraw; ++i) {
+        wlr_box rect = {m_vLastWindowPos.x + xoff - pMonitor->vecPosition.x, m_vLastWindowPos.y - m_seExtents.topLeft.y - pMonitor->vecPosition.y, BARW, 3};
+
+        if (rect.width <= 0 || rect.height <= 0)
+            break;
+
+        CColor color = m_dwGroupMembers[i] == g_pCompositor->m_pLastWindow ? CColor(g_pConfigManager->getInt("dwindle:col.group_border_active")) : CColor(g_pConfigManager->getInt("dwindle:col.group_border"));
+        g_pHyprOpenGL->renderRect(&rect, color);
+
+        xoff += PAD + BARW;
+    }
+}

src/render/decorations/CHyprGroupBarDecoration.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "IHyprWindowDecoration.hpp"
+#include <deque>
+
+class CHyprGroupBarDecoration : public IHyprWindowDecoration {
+public:
+    CHyprGroupBarDecoration(CWindow*);
+    virtual ~CHyprGroupBarDecoration();
+
+    virtual SWindowDecorationExtents getWindowDecorationExtents();
+
+    virtual void draw(SMonitor*);
+
+    virtual eDecorationType getDecorationType();
+
+    virtual void updateWindow(CWindow*);
+
+    virtual void damageEntire();
+
+private:
+    SWindowDecorationExtents    m_seExtents;
+
+    CWindow*                    m_pWindow = nullptr;
+
+    Vector2D                    m_vLastWindowPos;
+    Vector2D                    m_vLastWindowSize;
+
+    std::deque<CWindow*>        m_dwGroupMembers;
+};

src/render/decorations/IHyprWindowDecoration.cpp

@@ -0,0 +1,7 @@
+#include "IHyprWindowDecoration.hpp"
+
+#include "../../Window.hpp"
+
+IHyprWindowDecoration::~IHyprWindowDecoration() {
+    
+}

src/render/decorations/IHyprWindowDecoration.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "../../defines.hpp"
+
+enum eDecorationType {
+    DECORATION_NONE = -1,
+    DECORATION_GROUPBAR
+};
+
+struct SWindowDecorationExtents {
+    Vector2D topLeft;
+    Vector2D bottomRight;
+};
+
+class CWindow;
+struct SMonitor;
+
+class IHyprWindowDecoration {
+public:
+    virtual ~IHyprWindowDecoration() = 0;
+
+    virtual SWindowDecorationExtents getWindowDecorationExtents() = 0;
+
+    virtual void draw(SMonitor*) = 0;
+
+    virtual eDecorationType getDecorationType() = 0;
+
+    virtual void updateWindow(CWindow*) = 0;
+
+    virtual void damageEntire() = 0;
+};