InputText: Added alternative clipboard shortcuts: Shift+Delete (cut), Ctrl+Insert (copy), Shift+Insert (paste). (#1541)

imgui.cpp

@@ -8609,10 +8609,12 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
         const bool is_shortcut_key_only = (io.OptMacOSXBehaviors ? (io.KeySuper && !io.KeyCtrl) : (io.KeyCtrl && !io.KeySuper)) && !io.KeyAlt && !io.KeyShift; // OS X style: Shortcuts using Cmd/Super instead of Ctrl
         const bool is_wordmove_key_down = io.OptMacOSXBehaviors ? io.KeyAlt : io.KeyCtrl;                     // OS X style: Text editing cursor movement using Alt instead of Ctrl
         const bool is_startend_key_down = io.OptMacOSXBehaviors && io.KeySuper && !io.KeyCtrl && !io.KeyAlt;  // OS X style: Line/Text Start and End using Cmd+Arrows instead of Home/End
+        const bool is_ctrl_key_only = io.KeyCtrl && !io.KeyShift && !io.KeyAlt && !io.KeySuper;
+        const bool is_shift_key_only = io.KeyShift && !io.KeyCtrl && !io.KeyAlt && !io.KeySuper;
 
-        const bool is_paste = (is_shortcut_key_only && IsKeyPressedMap(ImGuiKey_V)) && is_editable;
-        const bool is_cut = (is_shortcut_key_only && IsKeyPressedMap(ImGuiKey_X)) && is_editable && !is_password && (!is_multiline || edit_state.HasSelection());
-        const bool is_copy = (is_shortcut_key_only && IsKeyPressedMap(ImGuiKey_C)) && !is_password && (!is_multiline || edit_state.HasSelection());
+        const bool is_cut   = ((is_shortcut_key_only && IsKeyPressedMap(ImGuiKey_X)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Delete))) && is_editable && !is_password && (!is_multiline || edit_state.HasSelection());
+        const bool is_copy  = ((is_shortcut_key_only && IsKeyPressedMap(ImGuiKey_C)) || (is_ctrl_key_only  && IsKeyPressedMap(ImGuiKey_Insert))) && !is_password && (!is_multiline || edit_state.HasSelection());
+        const bool is_paste = ((is_shortcut_key_only && IsKeyPressedMap(ImGuiKey_V)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Insert))) && is_editable;
 
         if (IsKeyPressedMap(ImGuiKey_LeftArrow))                        { edit_state.OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINESTART : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDLEFT : STB_TEXTEDIT_K_LEFT) | k_mask); }
         else if (IsKeyPressedMap(ImGuiKey_RightArrow))                  { edit_state.OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINEEND : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDRIGHT : STB_TEXTEDIT_K_RIGHT) | k_mask); }