Internals: BeginCombo() added dummy ImGuiComboFlags.

imgui.cpp

@@ -9071,8 +9071,9 @@ bool ImGui::Combo(const char* label, int* current_item, const char* items_separa
     return value_changed;
 }
 
-bool ImGui::BeginCombo(const char* label, const char* preview_value, ImVec2 popup_size)
+bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags, ImVec2 popup_size)
 {
+    (void)flags; // Unused
     ImGuiWindow* window = GetCurrentWindow();
     if (window->SkipItems)
         return false;
@@ -9167,7 +9168,7 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
         height_in_items = 7;
     float popup_height = (g.FontSize + style.ItemSpacing.y) * ImMin(items_count, height_in_items) + (style.FramePadding.y * 3);
 
-    if (!BeginCombo(label, preview_text, ImVec2(0.0f, popup_height)))
+    if (!BeginCombo(label, preview_text, 0, ImVec2(0.0f, popup_height)))
         return false;
 
     // Display items

imgui_internal.h

@@ -48,6 +48,7 @@ typedef int ImGuiButtonFlags;       // flags: for ButtonEx(), ButtonBehavior()
 typedef int ImGuiItemFlags;         // flags: for PushItemFlag()                // enum ImGuiItemFlags_
 typedef int ImGuiSeparatorFlags;    // flags: for Separator() - internal        // enum ImGuiSeparatorFlags_
 typedef int ImGuiSliderFlags;       // flags: for SliderBehavior()              // enum ImGuiSliderFlags_
+typedef int ImGuiComboFlags;        // flags: for BeginCombo()                  // enum ImGuiComboFlags_
 
 //-------------------------------------------------------------------------
 // STB libraries
@@ -209,6 +210,10 @@ enum ImGuiSelectableFlagsPrivate_
     ImGuiSelectableFlags_DrawFillAvailWidth = 1 << 6
 };
 
+enum ImGuiComboFlags_
+{
+};
+
 enum ImGuiSeparatorFlags_
 {
     ImGuiSeparatorFlags_Horizontal          = 1 << 0,   // Axis default to current layout type, so generally Horizontal unless e.g. in a menu bar
@@ -847,7 +852,7 @@ namespace ImGui
     IMGUI_API void          PushColumnClipRect(int column_index = -1);
 
     // FIXME-WIP: New Combo API
-    IMGUI_API bool          BeginCombo(const char* label, const char* preview_value, ImVec2 popup_size = ImVec2(0.0f,0.0f));
+    IMGUI_API bool          BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags = 0, ImVec2 popup_size = ImVec2(0.0f,0.0f));
     IMGUI_API void          EndCombo();
 
     // NB: All position are in absolute pixels coordinates (never using window coordinates internally)