Comments, todo list, remove trailing spaces.

docs/TODO.txt

@@ -25,7 +25,7 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
  - window: using SetWindowPos() inside Begin() and moving the window with the mouse reacts a very ugly glitch. We should just defer the SetWindowPos() call.
  - window: GetWindowSize() returns (0,0) when not calculated? (#1045)
  - window: investigate better auto-positioning for new windows.
- - window/opt: freeze window flag: if not focused/hovered, return false, render with previous ImDrawList. and/or reduce refresh rate.
+ - window/opt: freeze window flag: if not focused/hovered, return false, render with previous ImDrawList. and/or reduce refresh rate. -> this may require enforcing that it is illegal to submit contents if Begin returns false.
  - window/child: the first draw command of a child window could be moved into the current draw command of the parent window (unless child+tooltip?).
  - window/clipping: some form of clipping when DisplaySize (or corresponding viewport) is zero.
  - scrolling: while holding down a scrollbar, try to keep the same contents visible (at least while not moving mouse)
@@ -44,6 +44,7 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
  - drawlist: callback: add an extra void* in ImDrawCallback to allow passing render-local data to the callback (would break API).
  - drawlist/opt: store rounded corners in texture to use 1 quad per corner (filled and wireframe) to lower the cost of rounding. (#1962)
  - drawlist/opt: AddRect() axis aligned pixel aligned (no-aa) could use 8 triangles instead of 16 and no normal calculation.
+ - drawlist/opt: thick AA line could be doable in same number of triangles as 1.0 AA line by storing gradient+full color in atlas.
 
  - main: considering adding an Init() function? some constructs are awkward in the implementation because of the lack of them.
  - main: find a way to preserve relative orders of multiple reappearing windows (so an app toggling between "modes" e.g. fullscreen vs all tools) won't lose relative ordering.
@@ -306,10 +307,13 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
 
  - misc: idle: expose "woken up" boolean (set by inputs) and/or animation time (for cursor blink) for back-end to be able stop refreshing easily.
  - misc: idle: if cursor blink if the _only_ visible animation, core imgui could rewrite vertex alpha to avoid CPU pass on ImGui:: calls.
+ - misc: idle: if cursor blink if the _only_ visible animation, could even expose a dirty rectangle that optionally can be leverage by some app to render in a smaller viewport, getting rid of much pixel shading cost.
  - misc: make the ImGuiCond values linear (non-power-of-two). internal storage for ImGuiWindow can use integers to combine into flags (Why?)
  - misc: provide a way to compile out the entire implementation while providing a dummy API (e.g. #define IMGUI_DUMMY_IMPL)
  - misc: PushItemFlag(): add a flag to disable keyboard capture when used with mouse? (#1682)
  - misc: use more size_t in public api?
+ - misc: possible compile-time support for string view/range instead of char* would e.g. facilitate usage with Rust (#683)
+ - misc: possible compile-time support for wchar_t instead of char*?
 
  - backend: bgfx? https://gist.github.com/RichardGale/6e2b74bc42b3005e08397236e4be0fd0
  - web/emscriptem: refactor some examples to facilitate integration with emscripten main loop system. (#1713, #336)
@@ -325,6 +329,8 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
  - examples: provide a zero frame-rate/idle example.
  - examples: apple: example_apple should be using modern GL3.
  - examples: glfw: could go idle when minimized? if (glfwGetWindowAttrib(window, GLFW_ICONIFIED)) { glfwWaitEvents(); continue; } // issue: DeltaTime will be super high on resume, perhaps provide a way to let impl know (#440)
+ - examples: opengl: rename imgui_impl_opengl2 to impl_opengl_legacy and imgui_impl_opengl3 to imgui_impl_opengl? (#1900)
+ - examples: opengl: could use a single vertex buffer and glBufferSubData for uploads?
  - optimization: replace vsnprintf with stb_printf? or enable the defines/infrastructure to allow it (#1038)
  - optimization: add clipping for multi-component widgets (SliderFloatX, ColorEditX, etc.). one problem is that nav branch can't easily clip parent group when there is a move request.
  - optimization: add a flag to disable most of rendering, for the case where the user expect to skip it (#335)

examples/imgui_impl_freeglut.cpp

@@ -1,8 +1,10 @@
 // dear imgui: Platform Binding for FreeGLUT
 // This needs to be used along with a Renderer (e.g. OpenGL2)
+// GLUT IS OBSOLETE SOFTWARE. AVOID USING GLUT IN 2019.
 
 // Issues:
 //  [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
+//  [ ] Platform: Missing clipboard support (not supported by Glut).
 //  [ ] Platform: Missing gamepad support.
 
 // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.

examples/imgui_impl_freeglut.h

@@ -1,8 +1,10 @@
 // dear imgui: Platform Binding for FreeGLUT
 // This needs to be used along with a Renderer (e.g. OpenGL2)
+// GLUT IS OBSOLETE SOFTWARE. AVOID USING GLUT IN 2019.
 
 // Issues:
 //  [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
+//  [ ] Platform: Missing clipboard support (not supported by Glut).
 //  [ ] Platform: Missing gamepad support.
 
 // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.

imgui.cpp

@@ -637,8 +637,8 @@ CODE
         // Now that we have an OpenGL texture, assuming our imgui rendering function (imgui_impl_xxx.cpp file) takes GLuint as ImTextureID, we can display it:
         ImGui::Image((void*)(intptr_t)my_opengl_texture, ImVec2(my_image_width, my_image_height));
 
-    C/C++ tip: a void* is pointer-sized storage. You may safely store any pointer or integer into it by casting your value to ImTexture / void*, and vice-versa.
+    C/C++ tip: a void* is pointer-sized storage. You may safely store any pointer or integer into it by casting your value to ImTextureID / void*, and vice-versa.
-    Because both end-points (user code and rendering function) are under your control, you know exactly what is stored inside the ImTexture / void*.
+    Because both end-points (user code and rendering function) are under your control, you know exactly what is stored inside the ImTextureID / void*.
     Examples:
 
         GLuint my_tex = XXX;
@@ -875,7 +875,7 @@ CODE
  A: - You can create a dummy window. Call Begin() with the NoBackground | NoDecoration | NoSavedSettings | NoInputs flags.
       (The ImGuiWindowFlags_NoDecoration flag itself is a shortcut for NoTitleBar | NoResize | NoScrollbar | NoCollapse)
       Then you can retrieve the ImDrawList* via GetWindowDrawList() and draw to it in any way you like.
-    - You can call ImGui::GetBackgroundDrawList() or ImGui::GetForegroundDrawList() and use those draw list to display 
+    - You can call ImGui::GetBackgroundDrawList() or ImGui::GetForegroundDrawList() and use those draw list to display
       contents behind or over every other imgui windows.
     - You can create your own ImDrawList instance. You'll need to initialize them ImGui::GetDrawListSharedData(), or create
       your own ImDrawListSharedData, and then call your rendered code with your own ImDrawList or ImDrawData data.
@@ -1297,7 +1297,7 @@ int ImStrnicmp(const char* str1, const char* str2, size_t count)
 
 void ImStrncpy(char* dst, const char* src, size_t count)
 {
-    if (count < 1) 
+    if (count < 1)
         return;
     if (count > 1)
         strncpy(dst, src, count - 1);
@@ -1443,7 +1443,7 @@ int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args)
 // CRC32 needs a 1KB lookup table (not cache friendly)
 // Although the code to generate the table is simple and shorter than the table itself, using a const table allows us to easily:
 // - avoid an unnecessary branch/memory tap, - keep the ImHashXXX functions usable by static constructors, - make it thread-safe.
-static const ImU32 GCrc32LookupTable[256] = 
+static const ImU32 GCrc32LookupTable[256] =
 {
     0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,
     0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,
@@ -2850,7 +2850,7 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags)
     if ((window->DC.ItemFlags & ImGuiItemFlags_Disabled) && !(flags & ImGuiHoveredFlags_AllowWhenDisabled))
         return false;
 
-    // Special handling for the dummy item after Begin() which represent the title bar or tab. 
+    // Special handling for the dummy item after Begin() which represent the title bar or tab.
     // When the window is collapsed (SkipItems==true) that last item will never be overwritten so we need to detect the case.
     if (window->DC.LastItemId == window->MoveId && window->WriteAccessed)
         return false;
@@ -4093,7 +4093,7 @@ int ImGui::CalcTypematicPressedRepeatAmount(float t, float t_prev, float repeat_
 int ImGui::GetKeyPressedAmount(int key_index, float repeat_delay, float repeat_rate)
 {
     ImGuiContext& g = *GImGui;
-    if (key_index < 0) 
+    if (key_index < 0)
         return 0;
     IM_ASSERT(key_index >= 0 && key_index < IM_ARRAYSIZE(g.IO.KeysDown));
     const float t = g.IO.KeysDownDuration[key_index];
@@ -4103,7 +4103,7 @@ int ImGui::GetKeyPressedAmount(int key_index, float repeat_delay, float repeat_r
 bool ImGui::IsKeyPressed(int user_key_index, bool repeat)
 {
     ImGuiContext& g = *GImGui;
-    if (user_key_index < 0) 
+    if (user_key_index < 0)
         return false;
     IM_ASSERT(user_key_index >= 0 && user_key_index < IM_ARRAYSIZE(g.IO.KeysDown));
     const float t = g.IO.KeysDownDuration[user_key_index];
@@ -4800,7 +4800,7 @@ static void ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au
         if ((hovered && g.HoveredIdTimer > WINDOWS_RESIZE_FROM_EDGES_FEEDBACK_TIMER) || held)
         {
             g.MouseCursor = (border_n & 1) ? ImGuiMouseCursor_ResizeEW : ImGuiMouseCursor_ResizeNS;
-            if (held) 
+            if (held)
                 *border_held = border_n;
         }
         if (held)
@@ -7009,7 +7009,7 @@ bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags fla
 
 void ImGui::EndPopup()
 {
-    ImGuiContext& g = *GImGui; 
+    ImGuiContext& g = *GImGui;
     IM_ASSERT(g.CurrentWindow->Flags & ImGuiWindowFlags_Popup);  // Mismatched BeginPopup()/EndPopup() calls
     IM_ASSERT(g.BeginPopupStack.Size > 0);
 
@@ -7876,7 +7876,7 @@ static void ImGui::NavUpdate()
     if (g.NavWindow)
     {
         ImDrawList* draw_list = GetForegroundDrawList(g.NavWindow);
-        if (1) { for (int layer = 0; layer < 2; layer++) draw_list->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG] 
+        if (1) { for (int layer = 0; layer < 2; layer++) draw_list->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG]
         if (1) { ImU32 col = (!g.NavWindow->Hidden) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredRefPos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); draw_list->AddCircleFilled(p, 3.0f, col); draw_list->AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); }
     }
 #endif
@@ -8829,7 +8829,7 @@ void ImGui::EndDragDropTarget()
 //-----------------------------------------------------------------------------
 // [SECTION] LOGGING/CAPTURING
 //-----------------------------------------------------------------------------
-// All text output from the interface can be captured into tty/file/clipboard. 
+// All text output from the interface can be captured into tty/file/clipboard.
 // By default, tree nodes are automatically opened during logging.
 //-----------------------------------------------------------------------------
 
@@ -8884,7 +8884,7 @@ void ImGui::LogRenderedText(const ImVec2* ref_pos, const char* text, const char*
                 LogText(IM_NEWLINE "%*s%.*s", tree_depth * 4, "", char_count, line_start);
             else if (g.LogLineFirstItem)
                 LogText("%*s%.*s", tree_depth * 4, "", char_count, line_start);
-            else 
+            else
                 LogText(" %.*s", char_count, line_start);
             g.LogLineFirstItem = false;
         }
@@ -8933,7 +8933,7 @@ void ImGui::LogToFile(int auto_open_depth, const char* filename)
     if (g.LogEnabled)
         return;
 
-    // FIXME: We could probably open the file in text mode "at", however note that clipboard/buffer logging will still 
+    // FIXME: We could probably open the file in text mode "at", however note that clipboard/buffer logging will still
     // be subject to outputting OS-incompatible carriage return if within strings the user doesn't use IM_NEWLINE.
     // By opening the file in binary mode "ab" we have consistent output everywhere.
     if (!filename)

imgui.h

@@ -363,7 +363,7 @@ namespace ImGui
     //   whereas "str_id" denote a string that is only used as an ID and not normally displayed.
     IMGUI_API void          PushID(const char* str_id);                                     // push string into the ID stack (will hash string).
     IMGUI_API void          PushID(const char* str_id_begin, const char* str_id_end);       // push string into the ID stack (will hash string).
-    IMGUI_API void          PushID(const void* ptr_id);                                     // push pointer into the ID stack (will hash pointer). 
+    IMGUI_API void          PushID(const void* ptr_id);                                     // push pointer into the ID stack (will hash pointer).
     IMGUI_API void          PushID(int int_id);                                             // push integer into the ID stack (will hash integer).
     IMGUI_API void          PopID();                                                        // pop from the ID stack.
     IMGUI_API ImGuiID       GetID(const char* str_id);                                      // calculate unique ID (hash of whole ID stack + given parameter). e.g. if you want to query into ImGuiStorage yourself
@@ -464,7 +464,7 @@ namespace ImGui
     IMGUI_API bool          InputScalarN(const char* label, ImGuiDataType data_type, void* v, int components, const void* step = NULL, const void* step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0);
 
     // Widgets: Color Editor/Picker (tip: the ColorEdit* functions have a little colored preview square that can be left-clicked to open a picker, and right-clicked to open an option menu.)
-    // - Note that in C++ 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. 
+    // - Note that in C++ 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 the address of a first float element out of a contiguous structure, e.g. &myvector.x
     IMGUI_API bool          ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flags = 0);
     IMGUI_API bool          ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags = 0);
@@ -678,7 +678,7 @@ namespace ImGui
     // - Set io.IniFilename to NULL to load/save manually. Read io.WantSaveIniSettings description about handling .ini saving manually.
     IMGUI_API void          LoadIniSettingsFromDisk(const char* ini_filename);                  // call after CreateContext() and before the first call to NewFrame(). NewFrame() automatically calls LoadIniSettingsFromDisk(io.IniFilename).
     IMGUI_API void          LoadIniSettingsFromMemory(const char* ini_data, size_t ini_size=0); // call after CreateContext() and before the first call to NewFrame() to provide .ini data from your own data source.
-    IMGUI_API void          SaveIniSettingsToDisk(const char* ini_filename);                    // this is automatically called (if io.IniFilename is not empty) a few seconds after any modification that should be reflected in the .ini file (and also by DestroyContext). 
+    IMGUI_API void          SaveIniSettingsToDisk(const char* ini_filename);                    // this is automatically called (if io.IniFilename is not empty) a few seconds after any modification that should be reflected in the .ini file (and also by DestroyContext).
     IMGUI_API const char*   SaveIniSettingsToMemory(size_t* out_ini_size = NULL);               // return a zero-terminated string with the .ini data which you can save by your own mean. call when io.WantSaveIniSettings is set, then save data by your own mean and clear io.WantSaveIniSettings.
 
     // Memory Allocators
@@ -1117,7 +1117,7 @@ enum ImGuiColorEditFlags_
     ImGuiColorEditFlags_NoSidePreview   = 1 << 8,   //              // ColorPicker: disable bigger color preview on right side of the picker, use small colored square preview instead.
     ImGuiColorEditFlags_NoDragDrop      = 1 << 9,   //              // ColorEdit: disable drag and drop target. ColorButton: disable drag and drop source.
 
-    // User Options (right-click on widget to change some of them). 
+    // User Options (right-click on widget to change some of them).
     ImGuiColorEditFlags_AlphaBar        = 1 << 16,  //              // ColorEdit, ColorPicker: show vertical alpha bar/gradient in picker.
     ImGuiColorEditFlags_AlphaPreview    = 1 << 17,  //              // ColorEdit, ColorPicker, ColorButton: display preview as a transparent color over a checkerboard, instead of opaque.
     ImGuiColorEditFlags_AlphaPreviewHalf= 1 << 18,  //              // ColorEdit, ColorPicker, ColorButton: display half opaque / half checkerboard, instead of opaque.
@@ -1942,7 +1942,7 @@ struct ImFontConfig
     int             FontNo;                 // 0        // Index of font within TTF/OTF file
     float           SizePixels;             //          // Size in pixels for rasterizer (more or less maps to the resulting font height).
     int             OversampleH;            // 3        // Rasterize at higher quality for sub-pixel positioning. Read https://github.com/nothings/stb/blob/master/tests/oversample/README.md for details.
-    int             OversampleV;            // 1        // Rasterize at higher quality for sub-pixel positioning. We don't use sub-pixel positions on the Y axis. 
+    int             OversampleV;            // 1        // Rasterize at higher quality for sub-pixel positioning. We don't use sub-pixel positions on the Y axis.
     bool            PixelSnapH;             // false    // Align every glyph to pixel boundary. Useful e.g. if you are merging a non-pixel aligned font with the default font. If enabled, you can set OversampleH/V to 1.
     ImVec2          GlyphExtraSpacing;      // 0, 0     // Extra spacing (in pixels) between glyphs. Only X axis is supported for now.
     ImVec2          GlyphOffset;            // 0, 0     // Offset all glyphs from this font input.

imgui_demo.cpp

@@ -2646,7 +2646,7 @@ static void ShowDemoWindowMisc()
             for (int button = 0; button < 3; button++)
                 ImGui::Text("IsMouseDragging(%d):\n  w/ default threshold: %d,\n  w/ zero threshold: %d\n  w/ large threshold: %d",
                     button, ImGui::IsMouseDragging(button), ImGui::IsMouseDragging(button, 0.0f), ImGui::IsMouseDragging(button, 20.0f));
-        
+
             ImGui::Button("Drag Me");
             if (ImGui::IsItemActive())
                 ImGui::GetForegroundDrawList()->AddLine(io.MouseClickedPos[0], io.MousePos, ImGui::GetColorU32(ImGuiCol_Button), 4.0f); // Draw a line between the button and the mouse cursor

imgui_draw.cpp

@@ -1287,8 +1287,8 @@ void ImDrawData::DeIndexAllBuffers()
     }
 }
 
-// Helper to scale the ClipRect field of each ImDrawCmd. 
+// Helper to scale the ClipRect field of each ImDrawCmd.
-// Use if your final output buffer is at a different scale than draw_data->DisplaySize, 
+// Use if your final output buffer is at a different scale than draw_data->DisplaySize,
 // or if there is a difference between your window resolution and framebuffer resolution.
 void ImDrawData::ScaleClipRects(const ImVec2& fb_scale)
 {
@@ -1594,9 +1594,9 @@ ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
         font_cfg.OversampleH = font_cfg.OversampleV = 1;
         font_cfg.PixelSnapH = true;
     }
-    if (font_cfg.SizePixels <= 0.0f) 
+    if (font_cfg.SizePixels <= 0.0f)
         font_cfg.SizePixels = 13.0f * 1.0f;
-    if (font_cfg.Name[0] == '\0') 
+    if (font_cfg.Name[0] == '\0')
         ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
 
     const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();

imgui_internal.h

@@ -1349,13 +1349,13 @@ struct ImGuiTabBar
     bool                VisibleTabWasSubmitted;
     short               LastTabItemIdx;         // For BeginTabItem()/EndTabItem()
     ImVec2              FramePadding;           // style.FramePadding locked at the time of BeginTabBar()
-    ImGuiTextBuffer     TabsNames;              // For non-docking tab bar we re-append names in a contiguous buffer. 
+    ImGuiTextBuffer     TabsNames;              // For non-docking tab bar we re-append names in a contiguous buffer.
 
     ImGuiTabBar();
     int                 GetTabOrder(const ImGuiTabItem* tab) const  { return Tabs.index_from_ptr(tab); }
-    const char*         GetTabName(const ImGuiTabItem* tab) const 
+    const char*         GetTabName(const ImGuiTabItem* tab) const
     {
-        IM_ASSERT(tab->NameOffset != -1 && tab->NameOffset < TabsNames.Buf.Size); 
+        IM_ASSERT(tab->NameOffset != -1 && tab->NameOffset < TabsNames.Buf.Size);
         return TabsNames.Buf.Data + tab->NameOffset;
     }
 };

imgui_widgets.cpp

@@ -1611,7 +1611,7 @@ static void DataTypeApplyOp(ImGuiDataType data_type, int op, void* output, void*
             if (op == '-') { *(float*)output = *(const float*)arg1 - *(const float*)arg2; }
             return;
         case ImGuiDataType_Double:
-            if (op == '+') { *(double*)output = *(const double*)arg1 + *(const double*)arg2; } 
+            if (op == '+') { *(double*)output = *(const double*)arg1 + *(const double*)arg2; }
             if (op == '-') { *(double*)output = *(const double*)arg1 - *(const double*)arg2; }
             return;
         case ImGuiDataType_COUNT: break;
@@ -3485,9 +3485,9 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         {
             if (!state->HasSelection())
             {
-                if (is_wordmove_key_down) 
+                if (is_wordmove_key_down)
                     state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT|STB_TEXTEDIT_K_SHIFT);
-                else if (is_osx && io.KeySuper && !io.KeyAlt && !io.KeyCtrl) 
+                else if (is_osx && io.KeySuper && !io.KeyAlt && !io.KeyCtrl)
                     state->OnKeyPressed(STB_TEXTEDIT_K_LINESTART|STB_TEXTEDIT_K_SHIFT);
             }
             state->OnKeyPressed(STB_TEXTEDIT_K_BACKSPACE | k_mask);
@@ -3791,9 +3791,9 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
                     if (searches_result_line_no[1] == -1 && s >= searches_input_ptr[1]) { searches_result_line_no[1] = line_count; if (--searches_remaining <= 0) break; }
                 }
             line_count++;
-            if (searches_result_line_no[0] == -1) 
+            if (searches_result_line_no[0] == -1)
                 searches_result_line_no[0] = line_count;
-            if (searches_result_line_no[1] == -1) 
+            if (searches_result_line_no[1] == -1)
                 searches_result_line_no[1] = line_count;
 
             // Calculate 2d position by finding the beginning of the line and measuring distance
@@ -5283,7 +5283,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
     else
     {
         item_add = ItemAdd(bb, id);
-    }        
+    }
     if (!item_add)
     {
         if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.ColumnsSet)
@@ -5685,7 +5685,7 @@ void ImGuiMenuColumns::Update(int count, float spacing, bool clear)
     IM_ASSERT(count == IM_ARRAYSIZE(Pos));
     Width = NextWidth = 0.0f;
     Spacing = spacing;
-    if (clear) 
+    if (clear)
         memset(NextWidths, 0, sizeof(NextWidths));
     for (int i = 0; i < IM_ARRAYSIZE(Pos); i++)
     {