Add 'exact' option for 'splitratio' (#1245)

* Simplify getPlusMinusKeywordResult()

* Add an 'exact' option for 'splitratio'

src/helpers/MiscFunctions.cpp

@@ -162,41 +162,12 @@ std::string removeBeginEndSpacesTabs(std::string str) {
 }
 
 float getPlusMinusKeywordResult(std::string source, float relative) {
-    float result = INT_MAX;
-
-    if (source[0] == '+') {
     try {
-            if (source.contains('.'))
+        return relative + stof(source);
-                result = relative + std::stof(source.substr(1));
-            else
-                result = relative + std::stoi(source.substr(1));
     } catch (...) {
         Debug::log(ERR, "Invalid arg \"%s\" in getPlusMinusKeywordResult!", source.c_str());
         return INT_MAX;
     }
-    } else if (source[0] == '-') {
-        try {
-            if (source.contains('.'))
-                result = relative - std::stof(source.substr(1));
-            else
-                result = relative - std::stoi(source.substr(1));
-        } catch (...) {
-            Debug::log(ERR, "Invalid arg \"%s\" in getPlusMinusKeywordResult!", source.c_str());
-            return INT_MAX;
-        }
-    } else {
-        try {
-            if (source.contains('.'))
-                result = stof(source);
-            else
-                result = stoi(source);
-        } catch (...) {
-            Debug::log(ERR, "Invalid arg \"%s\" in getPlusMinusKeywordResult!", source.c_str());
-            return INT_MAX;
-        }
-    }
-
-    return result;
 }
 
 bool isNumber(const std::string& str, bool allowfloat) {

src/layout/DwindleLayout.cpp

@@ -1166,7 +1166,7 @@ void CHyprDwindleLayout::switchWindows(CWindow* pWindow, CWindow* pWindow2) {
     g_pHyprRenderer->damageWindow(pWindow2);
 }
 
-void CHyprDwindleLayout::alterSplitRatioBy(CWindow* pWindow, float ratio) {
+void CHyprDwindleLayout::alterSplitRatio(CWindow* pWindow, float ratio, bool exact) {
     // window should be valid, insallah
 
     const auto PNODE = getNodeFromWindow(pWindow);
@@ -1174,7 +1174,8 @@ void CHyprDwindleLayout::alterSplitRatioBy(CWindow* pWindow, float ratio) {
     if (!PNODE || !PNODE->pParent || (PNODE->isGroupMember() && PNODE->getGroupMemberCount() == g_pCompositor->getWindowsOnWorkspace(PNODE->workspaceID)))
         return;
 
-    PNODE->pParent->splitRatio = std::clamp(PNODE->pParent->splitRatio + ratio, 0.1f, 1.9f);
+    float newRatio = exact ? ratio : PNODE->pParent->splitRatio + ratio;
+    PNODE->pParent->splitRatio = std::clamp(newRatio, 0.1f, 1.9f);
 
     PNODE->pParent->recalcSizePosRecursive();
 }

src/layout/DwindleLayout.hpp

@@ -60,7 +60,7 @@ class CHyprDwindleLayout : public IHyprLayout {
     virtual std::any                 layoutMessage(SLayoutMessageHeader, std::string);
     virtual SWindowRenderLayoutHints requestRenderHints(CWindow*);
     virtual void                     switchWindows(CWindow*, CWindow*);
-    virtual void                     alterSplitRatioBy(CWindow*, float);
+    virtual void                     alterSplitRatio(CWindow*, float, bool);
     virtual std::string              getLayoutName();
 
     virtual void                     onEnable();

src/layout/IHyprLayout.hpp

@@ -115,10 +115,10 @@ interface IHyprLayout {
     virtual void                     switchWindows(CWindow*, CWindow*) = 0;
 
     /*
-        Called when the user requests to change the splitratio by X
+        Called when the user requests to change the splitratio by or to X
         on a window
     */
-    virtual void                     alterSplitRatioBy(CWindow*, float) = 0;
+    virtual void                     alterSplitRatio(CWindow*, float, bool exact = false) = 0;
 
     /*
         Called when something wants the current layout's name

src/layout/MasterLayout.cpp

@@ -604,7 +604,7 @@ void CHyprMasterLayout::switchWindows(CWindow* pWindow, CWindow* pWindow2) {
     prepareNewFocus(pWindow2, inheritFullscreen);
 }
 
-void CHyprMasterLayout::alterSplitRatioBy(CWindow* pWindow, float ratio) {
+void CHyprMasterLayout::alterSplitRatio(CWindow* pWindow, float ratio, bool exact) {
     // window should be valid, insallah
 
     const auto PNODE = getNodeFromWindow(pWindow);
@@ -614,7 +614,8 @@ void CHyprMasterLayout::alterSplitRatioBy(CWindow* pWindow, float ratio) {
 
     const auto PMASTER = getMasterNodeOnWorkspace(pWindow->m_iWorkspaceID);
 
-    PMASTER->percMaster = std::clamp(PMASTER->percMaster + ratio, 0.05f, 0.95f);
+    float newRatio = exact ? ratio : PMASTER->percMaster + ratio;
+    PMASTER->percMaster = std::clamp(newRatio, 0.05f, 0.95f);
 
     recalculateMonitor(pWindow->m_iMonitorID);
 }

src/layout/MasterLayout.hpp

@@ -56,7 +56,7 @@ class CHyprMasterLayout : public IHyprLayout {
     virtual std::any                 layoutMessage(SLayoutMessageHeader, std::string);
     virtual SWindowRenderLayoutHints requestRenderHints(CWindow*);
     virtual void                     switchWindows(CWindow*, CWindow*);
-    virtual void                     alterSplitRatioBy(CWindow*, float);
+    virtual void                     alterSplitRatio(CWindow*, float, bool);
     virtual std::string              getLayoutName();
 
     virtual void                     onEnable();

src/managers/KeybindManager.cpp

@@ -1152,6 +1152,7 @@ void CKeybindManager::toggleSplit(std::string args) {
 
 void CKeybindManager::alterSplitRatio(std::string args) {
     float splitratio = 0;
+    bool exact = false;
 
     if (args == "+" || args == "-") {
         Debug::log(LOG, "alterSplitRatio: using LEGACY +/-, consider switching to the Hyprland syntax.");
@@ -1159,8 +1160,13 @@ void CKeybindManager::alterSplitRatio(std::string args) {
     }
 
     if (splitratio == 0) {
+        if (args.find("exact") == 0) {
+            exact = true;
+            splitratio = getPlusMinusKeywordResult(args.substr(5), 0);
+        } else {
             splitratio = getPlusMinusKeywordResult(args, 0);
         }
+    }
 
     if (splitratio == INT_MAX) {
         Debug::log(ERR, "Splitratio invalid in alterSplitRatio!");
@@ -1172,7 +1178,7 @@ void CKeybindManager::alterSplitRatio(std::string args) {
     if (!PLASTWINDOW)
         return;
 
-    g_pLayoutManager->getCurrentLayout()->alterSplitRatioBy(PLASTWINDOW, splitratio);
+    g_pLayoutManager->getCurrentLayout()->alterSplitRatio(PLASTWINDOW, splitratio, exact);
 }
 
 void CKeybindManager::focusMonitor(std::string arg) {