Merge branch 'master' into docking

# Conflicts:
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_glfw.h
#	backends/imgui_impl_opengl3.cpp
#	imgui.cpp

imgui.h

@@ -30,7 +30,7 @@
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
 #define IMGUI_VERSION       "1.92.6 WIP"
-#define IMGUI_VERSION_NUM   19253
+#define IMGUI_VERSION_NUM   19255
 #define IMGUI_HAS_TABLE             // Added BeginTable() - from IMGUI_VERSION_NUM >= 18000
 #define IMGUI_HAS_TEXTURES          // Added ImGuiBackendFlags_RendererHasTextures - from IMGUI_VERSION_NUM >= 19198
 #define IMGUI_HAS_VIEWPORT          // In 'docking' WIP branch.
@@ -354,7 +354,7 @@ typedef ImU64 ImTextureID;      // Default: store up to 64-bits (any pointer or
 // The identifier is valid even before the texture has been uploaded to the GPU/graphics system.
 // This is what gets passed to functions such as `ImGui::Image()`, `ImDrawList::AddImage()`.
 // This is what gets stored in draw commands (`ImDrawCmd`) to identify a texture during rendering.
-// - When a texture is created by user code (e.g. custom images), we directly stores the low-level ImTextureID.
+// - When a texture is created by user code (e.g. custom images), we directly store the low-level ImTextureID.
 //   Because of this, when displaying your own texture you are likely to ever only manage ImTextureID values on your side.
 // - When a texture is created by the backend, we stores a ImTextureData* which becomes an indirection
 //   to extract the ImTextureID value during rendering, after texture upload has happened.
@@ -2011,12 +2011,8 @@ enum ImGuiSliderFlags_
     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,
-
-    // Color Markers
     ImGuiSliderFlags_ColorMarkers       = 1 << 12,      // DragScalarN(), SliderScalarN(): Draw R/G/B/A color markers on each component.
-    ImGuiSliderFlags_ColorMarkersIndexShift_ = 13,      // [Internal] DragScalar(), SliderScalar(): Pass ([0..3] << ImGuiSliderFlags_ColorMarkersIndexShift_) along with ImGuiSliderFlags_ColorMarkers to select an individual R/G/B/A color.
-
+    ImGuiSliderFlags_AlwaysClamp        = ImGuiSliderFlags_ClampOnInput | ImGuiSliderFlags_ClampZeroRange,
     ImGuiSliderFlags_InvalidMask_       = 0x7000000F,   // [Internal] We treat using those bits as being potentially a 'float power' argument from legacy API (obsoleted 2020-08) that has got miscast to this enum, and will trigger an assert if needed.
 };
 
@@ -2107,7 +2103,7 @@ enum ImGuiTableFlags_
     ImGuiTableFlags_Reorderable                = 1 << 1,   // Enable reordering columns in header row (need calling TableSetupColumn() + TableHeadersRow() to display headers)
     ImGuiTableFlags_Hideable                   = 1 << 2,   // Enable hiding/disabling columns in context menu.
     ImGuiTableFlags_Sortable                   = 1 << 3,   // Enable sorting. Call TableGetSortSpecs() to obtain sort specs. Also see ImGuiTableFlags_SortMulti and ImGuiTableFlags_SortTristate.
-    ImGuiTableFlags_NoSavedSettings            = 1 << 4,   // Disable persisting columns order, width and sort settings in the .ini file.
+    ImGuiTableFlags_NoSavedSettings            = 1 << 4,   // Disable persisting columns order, width, visibility and sort settings in the .ini file.
     ImGuiTableFlags_ContextMenuInBody          = 1 << 5,   // Right-click on columns body/contents will display table context menu. By default it is available in TableHeadersRow().
     // Decorations
     ImGuiTableFlags_RowBg                      = 1 << 6,   // Set each RowBg color with ImGuiCol_TableRowBg or ImGuiCol_TableRowBgAlt (equivalent of calling TableSetBgColor with ImGuiTableBgFlags_RowBg0 on each row manually)
@@ -3655,7 +3651,7 @@ struct ImFontConfig
     char            Name[40];               // <auto>   // Name (strictly to ease debugging, hence limited size buffer)
     void*           FontData;               //          // TTF/OTF data
     int             FontDataSize;           //          // TTF/OTF data size
-    bool            FontDataOwnedByAtlas;   // true     // TTF/OTF data ownership taken by the owner ImFontAtlas (will delete memory itself).
+    bool            FontDataOwnedByAtlas;   // true     // TTF/OTF data ownership taken by the owner ImFontAtlas (will delete memory itself). SINCE 1.92, THE DATA NEEDS TO PERSIST FOR WHOLE DURATION OF ATLAS.
 
     // Options
     bool            MergeMode;              // false    // Merge into previous ImFont, so you can combine multiple inputs font into one ImFont (e.g. ASCII font + icons + Japanese glyphs). You may want to use GlyphOffset.y when merge font of different heights.