Drags, Sliders: Added ImGuiDragFlags_ClampOnInput/ImGuiSliderFlags_ClampOnInput flags to force clamping value when using CTRL+Click to type in a value manually. (#1829, #3209)

imgui.h

@@ -464,6 +464,7 @@ namespace ImGui
     // - CTRL+Click on any drag box to turn them into an input box. Manually input values aren't clamped and can go off-bounds.
     // - For all the Float2/Float3/Float4/Int2/Int3/Int4 versions of every functions, note that a 'float v[X]' function argument is the same as 'float* v', the array syntax is just a way to document the number of elements that are expected to be accessible. You can pass address of your first element out of a contiguous set, e.g. &myvector.x
     // - Adjust format string to decorate the value with a prefix, a suffix, or adapt the editing and display precision e.g. "%.3f" -> 1.234; "%5.2f secs" -> 01.23 secs; "Biscuit: %.0f" -> Biscuit: 1; etc.
+    // - Format string may also be set to NULL or use the default format ("%f" or "%d").
     // - Speed are per-pixel of mouse movement (v_speed=0.2f: mouse needs to move by 5 pixels to increase value by 1). For gamepad/keyboard navigation, minimum speed is Max(v_speed, minimum_step_at_given_precision).
     // - Use v_min < v_max to clamp edits to given limits. Note that CTRL+Click manual input can override those limits.
     // - Use v_max = FLT_MAX / INT_MAX etc to avoid clamping to a maximum, same with v_min = -FLT_MAX / INT_MIN to avoid clamping to a minimum.
@@ -485,6 +486,7 @@ namespace ImGui
     // Widgets: Sliders
     // - CTRL+Click on any slider to turn them into an input box. Manually input values aren't clamped and can go off-bounds.
     // - Adjust format string to decorate the value with a prefix, a suffix, or adapt the editing and display precision e.g. "%.3f" -> 1.234; "%5.2f secs" -> 01.23 secs; "Biscuit: %.0f" -> Biscuit: 1; etc.
+    // - Format string may also be set to NULL or use the default format ("%f" or "%d").
     // - Legacy: Pre-1.78 there are SliderXXX() function signatures that takes a final `float power=1.0f' argument instead of the `ImGuiSliderFlags flags=0' argument.
     //   If you get a warning converting a float to ImGuiSliderFlags, read https://github.com/ocornut/imgui/issues/3361
     IMGUI_API bool          SliderFloat(const char* label, float* v, float v_min, float v_max, const char* format = "%.3f", ImGuiSliderFlags flags = 0);     // adjust format to decorate the value with a prefix or a suffix for in-slider labels or unit display.
@@ -1293,7 +1295,8 @@ enum ImGuiDragFlags_
 {
     ImGuiDragFlags_None                     = 0,
     ImGuiDragFlags_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.
-    ImGuiDragFlags_Logarithmic              = 1 << 4        // Should this widget be logarithmic? (linear otherwise)
+    ImGuiDragFlags_ClampOnInput             = 1 << 4,       // Clamp value to min/max bounds (if any) when input manually with CTRL+Click. By default CTRL+Click allows going out of bounds.
+    ImGuiDragFlags_Logarithmic              = 1 << 5        // Should this widget be logarithmic? (linear otherwise)
 };
 
 // Flags for SliderFloat(), SliderInt() etc.
@@ -1301,7 +1304,8 @@ enum ImGuiSliderFlags_
 {
     ImGuiSliderFlags_None                   = 0,
     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.
-    ImGuiSliderFlags_Logarithmic            = 1 << 4        // Should this widget be logarithmic? (linear otherwise)
+    ImGuiSliderFlags_ClampOnInput           = 1 << 4,       // Clamp value to min/max bounds when input manually with CTRL+Click. By default CTRL+Click allows going out of bounds.
+    ImGuiSliderFlags_Logarithmic            = 1 << 5        // Should this widget be logarithmic? (linear otherwise)
 };
 
 // Identify a mouse button.