Drags: Added ImGuiSliderFlags_NoSpeedTweaks flag to disable keyboard …

…modifiers altering the tweak speed. (#8223)

docs/CHANGELOG.txt

@@ -43,6 +43,9 @@ Breaking changes:
 
 Other changes:
 
+- Drags: Added ImGuiSliderFlags_NoSpeedTweaks flag to disable keyboard
+  modifiers altering the tweak speed. Useful if you want to alter tweak speed
+  yourself based on your own logic. (#8223)
 - Backends: Vulkan: Fixed setting VkSwapchainCreateInfoKHR::preTransform for
   platforms not supporting VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR. (#8222) [@Zer0xFF]
 

imgui.h

@@ -1788,6 +1788,7 @@ enum ImGuiSliderFlags_
     ImGuiSliderFlags_WrapAround         = 1 << 8,       // Enable wrapping around from max to min and from min to max. Only supported by DragXXX() functions for now.
     ImGuiSliderFlags_ClampOnInput       = 1 << 9,       // Clamp value to min/max bounds when input manually with CTRL+Click. By default CTRL+Click allows going out of bounds.
     ImGuiSliderFlags_ClampZeroRange     = 1 << 10,      // Clamp even if min==max==0.0f. Otherwise due to legacy reason DragXXX functions don't clamp with those values. When your clamping limits are dynamic you almost always want to use it.
+    ImGuiSliderFlags_NoSpeedTweaks      = 1 << 11,      // Disable keyboard modifiers altering tweak speed. Useful if you want to alter tweak speed yourself based on your own logic.
     ImGuiSliderFlags_AlwaysClamp        = ImGuiSliderFlags_ClampOnInput | ImGuiSliderFlags_ClampZeroRange,
     ImGuiSliderFlags_InvalidMask_       = 0x7000000F,   // [Internal] We treat using those bits as being potentially a 'float power' argument from the previous API that has got miscast to this enum, and will trigger an assert if needed.
 };

imgui_demo.cpp

@@ -2310,6 +2310,8 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data)
         ImGui::SameLine(); HelpMarker("Disable rounding underlying value to match precision of the format string (e.g. %.3f values are rounded to those 3 digits).");
         ImGui::CheckboxFlags("ImGuiSliderFlags_NoInput", &flags, ImGuiSliderFlags_NoInput);
         ImGui::SameLine(); HelpMarker("Disable CTRL+Click or Enter key allowing to input text directly into the widget.");
+        ImGui::CheckboxFlags("ImGuiSliderFlags_NoSpeedTweaks", &flags, ImGuiSliderFlags_NoSpeedTweaks);
+        ImGui::SameLine(); HelpMarker("Disable keyboard modifiers altering tweak speed. Useful if you want to alter tweak speed yourself based on your own logic.");
         ImGui::CheckboxFlags("ImGuiSliderFlags_WrapAround", &flags, ImGuiSliderFlags_WrapAround);
         ImGui::SameLine(); HelpMarker("Enable wrapping around from max to min and from min to max (only supported by DragXXX() functions)");
 

imgui_widgets.cpp

@@ -2434,17 +2434,17 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
     if (g.ActiveIdSource == ImGuiInputSource_Mouse && IsMousePosValid() && IsMouseDragPastThreshold(0, g.IO.MouseDragThreshold * DRAG_MOUSE_THRESHOLD_FACTOR))
     {
         adjust_delta = g.IO.MouseDelta[axis];
-        if (g.IO.KeyAlt)
+        if (g.IO.KeyAlt && !(flags & ImGuiSliderFlags_NoSpeedTweaks))
             adjust_delta *= 1.0f / 100.0f;
-        if (g.IO.KeyShift)
+        if (g.IO.KeyShift && !(flags & ImGuiSliderFlags_NoSpeedTweaks))
             adjust_delta *= 10.0f;
     }
     else if (g.ActiveIdSource == ImGuiInputSource_Keyboard || g.ActiveIdSource == ImGuiInputSource_Gamepad)
     {
         const int decimal_precision = is_floating_point ? ImParseFormatPrecision(format, 3) : 0;
         const bool tweak_slow = IsKeyDown((g.NavInputSource == ImGuiInputSource_Gamepad) ? ImGuiKey_NavGamepadTweakSlow : ImGuiKey_NavKeyboardTweakSlow);
         const bool tweak_fast = IsKeyDown((g.NavInputSource == ImGuiInputSource_Gamepad) ? ImGuiKey_NavGamepadTweakFast : ImGuiKey_NavKeyboardTweakFast);
-        const float tweak_factor = tweak_slow ? 1.0f / 10.0f : tweak_fast ? 10.0f : 1.0f;
+        const float tweak_factor = (flags & ImGuiSliderFlags_NoSpeedTweaks) ? 1.0f : tweak_slow ? 1.0f / 10.0f : tweak_fast ? 10.0f : 1.0f;
         adjust_delta = GetNavTweakPressedAmount(axis) * tweak_factor;
         v_speed = ImMax(v_speed, GetMinimumStepAtDecimalPrecision(decimal_precision));
     }