ImGui::InputText: added support for shift+click style selection. (#5619)

(Amend, force-push: sorry wrong edit by omar)

docs/CHANGELOG.txt

@@ -86,6 +86,7 @@ Other Changes:
   Enter keep the input active and select all text.
 - InputText: numerical fields automatically accept full-width characters (U+FF01..U+FF5E)
   by converting them to half-width (U+0021..U+007E).
+- InputText: added support for shift+click style selection. (#5619) [@procedural]
 - IsItemHovered: Added ImGuiHoveredFlags_DelayNormal and ImGuiHoveredFlags_DelayShort flags,
   allowing to introduce a shared delay for tooltip idioms. The delays are respectively
   io.HoverDelayNormal (default to 0.30f) and io.HoverDelayFast (default to 0.10f). (#1485)

imgui.h

@@ -65,7 +65,7 @@ Index of this file:
 // Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
 #define IMGUI_VERSION               "1.89 WIP"
-#define IMGUI_VERSION_NUM           18815
+#define IMGUI_VERSION_NUM           18816
 #define IMGUI_CHECKVERSION()        ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
 #define IMGUI_HAS_TABLE
 

imgui_widgets.cpp

@@ -4251,10 +4251,12 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         }
         else if (io.MouseClicked[0] && !state->SelectedAllMouseLock)
         {
-            // FIXME: unselect on late click could be done release?
             if (hovered)
             {
-                stb_textedit_click(state, &state->Stb, mouse_x, mouse_y);
+                if (io.KeyShift)
+                    stb_textedit_drag(state, &state->Stb, mouse_x, mouse_y);
+                else
+                    stb_textedit_click(state, &state->Stb, mouse_x, mouse_y);
                 state->CursorAnimReset();
             }
         }