InputText: fixed Shift+Delete from not cutting into clipboard. (#4818, #1541)

docs/CHANGELOG.txt

@@ -79,6 +79,7 @@ Other Changes:
 - InputText: made double-click select word, triple-line select line. Word delimitation logic differs
   slightly from the one used by CTRL+arrows. (#2244)
 - InputText: fixed ReadOnly flag preventing callbacks from receiving the text buffer. (#4762) [@actondev]
+- InputText: fixed Shift+Delete from not cutting into clipboard. (#4818, #1541) [@corporateshark]
 - InputTextMultiline: fixed incorrect padding when FrameBorder > 0. (#3781, #4794)
 - InputTextMultiline: fixed vertical tracking with large values of FramePadding.y. (#3781, #4794)
 - Separator: fixed cover all columns while called inside a table. (#4787)

imgui_widgets.cpp

@@ -4317,7 +4317,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         else if (IsKeyPressedMap(ImGuiKey_PageDown) && is_multiline)    { state->OnKeyPressed(STB_TEXTEDIT_K_PGDOWN | k_mask); scroll_y += row_count_per_page * g.FontSize; }
         else if (IsKeyPressedMap(ImGuiKey_Home))                        { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTSTART | k_mask : STB_TEXTEDIT_K_LINESTART | k_mask); }
         else if (IsKeyPressedMap(ImGuiKey_End))                         { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTEND | k_mask : STB_TEXTEDIT_K_LINEEND | k_mask); }
-        else if (IsKeyPressedMap(ImGuiKey_Delete) && !is_readonly)      { state->OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_Delete) && !is_readonly && !is_cut) { state->OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask); }
         else if (IsKeyPressedMap(ImGuiKey_Backspace) && !is_readonly)
         {
             if (!state->HasSelection())